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The use of Polygenic Scores in a family design of First Episode Psychosis
- N. Murillo-Garcia, S. Papiol, S. Barrio-Martínez, M. Sevilla-Ramos, R. Magdaleno-Herrero, Á. Yorca-Ruiz, V. Ortíz-García de la Foz, M. Miguel-Corredera, M. Fatjó-Vilas, R. Ayesa-Arriola
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S631
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Introduction
A wide variety of traits is heritable and has genetic loading, including schizophrenia spectrum disorders (SSDs) and its associated neurocognitive features. The genetic architecture of SSDs is polygenic, with the contribution of thousands of single nucleotide polymorphisms of small effect with an estimated SNP-heritability of 24%. The same occurs with neurocognitive phenotypes such as intelligence or educational attainment. Therefore, the method of polygenic risk scores (PRS) is useful in estimating the genetic burden of such traits. Moreover, the use of PRS in a sample of genetically related individuals would allow analyzing the contribution of genetic and environmental factors involved in the development of the disorder and its candidate endophenotypes.
ObjectivesTo estimate PRS for schizophrenia, and polygenic scores for intelligence and educational attainment in patients with First Episode Psychosis (FEP), their first-degree relatives (siblings and parents), and a group of healthy controls.
MethodsThe sample is comprised of 579 participants of the PAFIP-FAMILIAS project in Santander, Spain (133 FEP patients, their 244 first-degree relatives, and 202 healthy controls). All provided sociodemographic information and completed the same neuropsychological battery. Participants’ DNA was extracted from venous blood samples, and genotyping was performed at the Centro Nacional de Investigaciones Oncológicas (CeGen) by the Global Screening Array v.3.0 panel (Illumina). Data quality control, imputation, calculation of PRS, and genetic association analysis are being performed using PLINK, SHAPEIT, IMPUTE2, SPSS and R.
ResultsData analysis is currently in progress, at the quality analysis stage, in collaboration with the Institute of Psychiatric Phenomics and Genomics (IPPG) in Munich, Germany. We expect to find higher PRS for schizophrenia in FEP patients, while their first-degree relatives will potentially show intermediate risk scores between patients and healthy controls. A similar finding is expected regarding intelligence and educational attainment, as FEP patients may show more genetic burden for low intelligence and education.
ConclusionsThe estimation of PRS has demonstrated to be valuable in studying complex traits such as schizophrenia. We believe that by applying this method in a family design can provide interesting insights on the development of SSDs and its potential endophenotypes, and potentially useful in their prevention.
Disclosure of InterestNone Declared
Changes in the characteristics of Suicide Attempts during COVID-19 pandemic
- J. Curto Ramos, N. Kishanchandani Chandiramani, M. Torrijos, J. Andreo-Jover, B. Orgaz-Alvarez, M. Velasco, D. García Martínez, G. Juárez, S. Cebolla, P. Aguirre, B. Rodríguez Vega
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- European Psychiatry / Volume 66 / Issue S1 / March 2023
- Published online by Cambridge University Press:
- 19 July 2023, p. S405
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Introduction
Different studies indicate high prevalence’s of suicidal behaviour, anxiety, depression, insomnia, and PTSD associated with the COVID-19 pandemic. There is currently not enough scientific evidence available to analyze the impact that the COVID-19 pandemic has had on the rate of suicide attempts and their characteristics.
ObjectivesTo analyze and compare the characteristics of suicidal behavior (in terms of method, severity, medical damage produced and need for hospitalization) of patients attended during the COVID-19 pandemic compared to previous years.
MethodsA retrospective study was performed based on a standardized data collection of patients attending the University Hospital La Paz between April 2018 and November 2021. 581 patients who attempted suicide at least once were included in this study. We compared the severity using the Beck Suicide Intent Scale. Chi-square ant Student’s t were used to compare clinical characteristics such as medical damage, method of suicide attempt and indication for admission after the attempt, between suicide attempts during the COVID-19 pandemic and previous years.
ResultsOur results suggest that during the COVID-19 pandemic suicide attempts caused more medical damage (p<0.001), had higher severity (p<0.000), and required more admission in Intensive Care Units, General Internal Medicine and Psychiatry compared with pre-Covid years (p<0.000).
ConclusionsThis is the first study in Spain analysing the changes in characteristics of suicide attempts during the COVID-19 pandemic. This has important implications for reducing suicide rates, preventing future attempts, and enabling us to design specific treatments of Suicidal Behaviour.
Disclosure of InterestNone Declared
Obstetric complications and cognition in schizophrenia: a systematic review and meta-analysis
- Silvia Amoretti, Francisco Diego Rabelo-da-Ponte, Marina Garriga, Maria Florencia Forte, Rafael Penadés, Eduard Vieta, Eduard Parellada, Josep Antoni Ramos-Quiroga, Clarissa S. Gama, Norma Verdolini, Byron Bitanihirwe, Clemente Garcia-Rizo
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- Psychological Medicine / Volume 52 / Issue 14 / October 2022
- Published online by Cambridge University Press:
- 18 August 2022, pp. 2874-2884
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Background
Schizophrenia (SZ) is a complex brain disorder linked to cognitive and neurostructural abnormalities that involves genetic and environmental factors with obstetric complications (OCs) at birth conferring a high risk for the disease. Indeed, current research in the general population describes the deleterious effect of OCs on cognitive performance in adulthood. With this rationale, we aim to review the relationship between OCs and cognition in SZ and related psychotic disorders.
MethodsA systematic review and meta-analysis describing cognitive function and OCs in patients with SZ and related disorders were conducted. PubMed, EmBase, SCOPUS, and the Cochrane Library were systematically searched to identify eligible studies up to January 2022. We calculated the effect sizes (Hedges' g) of cognitive domains within each study and quantified the proportion of between-study variability using the I2 statistic. Homogeneity was assessed using the Q-statistic (X2). The study was registered on PROSPERO (CRD42018094238).
ResultsA total of 4124 studies were retrieved, with 10 studies meeting inclusion criteria for the systematic review and eight for meta-analysis. SZ subjects with OCs showed poor verbal memory [Hedges' g = −0.89 (95% CI −1.41 to −0.37), p < 0.001] and working memory performance [Hedges' g = −1.47 (95% CI −2.89 to −0.06), p = 0.01] in a random-effect model compared to those without OCs.
ConclusionsOCs appear to have a moderate impact on specific cognitive such as working memory and verbal memory. Our findings suggest that OCs are associated with brain development and might underlie the cognitive abnormalities described at onset of psychosis.
Systematic Evaluation of the Thermo-magnetic Properties of Nanoparticles Coated with PNIPAM
- Pedro-A. Hernandez-A., Nadia. Garcia-F., Jorge-L. Iriqui-R., Hiram Higuera-V, Eleazar León-S, Reynaldo Esquivel, Iván E. Moreno-Cortez, M.E. Álvarez-Ramos
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- Journal:
- Microscopy and Microanalysis / Volume 26 / Issue S2 / August 2020
- Published online by Cambridge University Press:
- 30 July 2020, pp. 2278-2280
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- August 2020
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Musical hallucinations revisited
- P. Varela Casal, M. Perez Garcia, I. Espiño Diaz, R. Ramos Rios, M. Tajes Alonso, J. Lopez Moriñigo, S. Martinez Formoso, M. Arrojo Romero
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- European Psychiatry / Volume 22 / Issue S1 / March 2007
- Published online by Cambridge University Press:
- 16 April 2020, p. S334
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Background and aims:
Musical hallucinations are a rare phenomenon in clinical practice. The purpose of this study was to analyze the clinical spectrum of musical hallucinations.
Method:We analysed demographic and clinical features of cases published in English, Italian, French or Spanish between 1991 and 2006 registered in MEDLINE, including three of our own cases. The cases were separated into four groups according to their main diagnoses (hearing impairment; psychiatric disorder; neurological disorder; toxic or metabolic disorder).
Results:115 patients with musical hallucinations were included, of which 63.5% were female. The mean age was 57,25 years. Main diagnoses were: psychiatric disorder (46.1%; schizophrenia 30.4%), neurological disorder (21,7%), hearing impairment (17,4%), toxic or metabolic disorder (12.2%) and 2.6% other diagnoses.
61.7% patients presented simple diagnoses while 36.5% presented two or more diagnoses. 2.1% of patients didn't receive any diagnoses. 35.7% of patients and 60.9% of non psychiatric patients presented hearing impairment.
Both instrumental and vocal were the more frequent musical hallucinations and most of the patients had insight about the abnormality of their perceptions. Another kind of hallucinations was present in 40.9% of patients, auditory hallucinations being the most common. Also, 38,3% of the global sample had abnormalities in brain structural image (MRI, CT).
Conclusions:Musical hallucinations are a heterogeneous phenomenon in clinical practice. published cases describe them as more common in women and in psychiatric and neurological patients. Hearing impairment seem to be an important risk factor in the development of musical hallucinations.
Musical hallucinations induced by tramadol
- M. Tajes Alonso, R. Ramos Rios, J.D. Lopez Moriñigo, I. Espiño Diaz, M. Perez Garcia, P. Varela Casal, S. Martinez Formoso, M. Arrojo Romero, M. Páramo Fernández
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- European Psychiatry / Volume 22 / Issue S1 / March 2007
- Published online by Cambridge University Press:
- 16 April 2020, p. S336
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Background and aims:
Auditory and musical hallucinations have been reported in patients as an adverse effect of the use of opioids. Hearing loss, old age, and female gender are considered risk factors in the development of musical hallucinations. The aim of this report is to describe a case of a patient with auditory and musical hallucinations and to discuss the role of an opioid –tramadol- in the origin of those.
Methods:An 80 years old woman experiencing auditory hallucinations was referred to our hospital from an emergency room. The patient had bilateral mild hearing loss and was receiving tramadol 112.5 mg/daily during the last year for cervical pain. In the last ten months, she had been gradually noticing the voice of her dead husband coming from under her pillow, as well as intermittently hearing popular songs being played inside her head. The patient had good insight on both types of abnormal perceptions, which were reported as increasingly unpleasant through time.
Results:Tramadol was discontinued and pimocide (range 1-4 mg/day) and loracepam (2.5 mg/day) were introduced, achieving the improvement of the hallucinations and the anxiety associated with them.
Conclusions:The outcome of this case supports the hypotheses that Opioids could induce musical hallucinations. Hearing impairment, old age, and gender could be underlying risk factors on the development of musical hallucinations.
A 6 month study of the adherence, effectiveness and safety with methylphenidate adults with ADHD
- J.A. Ramos-Quiroga, R. Bosch, X. Castells, S. Valero, M. Nogueira, S. Yelmo, E. Garcia, I. Martinez, M. Casas
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- European Psychiatry / Volume 22 / Issue S1 / March 2007
- Published online by Cambridge University Press:
- 16 April 2020, p. S63
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Background and Aims
Once daily (q.d.) osmotic release oral system (OROS) methylphenidate has demonstrated to be as efficacious as three times a day (t.i.d.) immediate release (IR) methylphenidate in children with attention deficit hyperactivity disorder (ADHD) but with superior adherence. However, although ADHD continues into adulthood, data in adults are lacking. Effectiveness, adherence to treatment and patient's satisfaction were studied in adults with ADHD before and after switching from methylphenidate IR to OROS presentation.
MethodsSeventy newly diagnosed adults with ADHD were treated with t.i.d. methylphenidate IR and, after 3 months, were switched to q.d. OROS formulation and were followed up during 3 additional months. Effectiveness was evaluated with the ADHD Rating Scale (ADHD-RS) and the Clinical Global Impression Improvement (CGI-I) Scale, adherence to treatment with the Simplified Medication Adherence Questionnaire (SMAQ) and patient satisfaction with the treatment. Effectiveness, adherence and satisfaction were compared before and after treatment switch.
ResultsADHD-RS score changed from 34.6 (10.9) at baseline to 25.1 (9.1) while receiving IR methylphenidate and to 15.1 (7.2) while on OROS formulation. Furthermore, methylphenidate switch was associated with an increase of the rate of patients repondents to treatment, from 28.6% to 91.4%. The administration of methylphenidate OROS was associated with better scores in all items of the SMAQ. Methylphenidate OROS was preferred by 97% of patients. All differences were statistically significant. In conclusion, switch from t.i.d. IR to q.d. OROS methylphenidate was associated with an improvement in adherence, patient's satisfaction, and effectiveness.
Tobacco Use and Clinical Symptoms in a Sample of Outpatients Diagnosed with Schizophrenia
- P.A. Sáiz Martinez, S. Fernández-Artamendi, S. Al-Halabí, E. Díaz-Mesa, L. García-Álvarez, E. Martínez, L. Nogueiras, M. Pouso, R. Ramos, T. Rodríguez, G. Díaz-Flórez, M. Arrojo, P. García-Portilla, J. Bobes
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- European Psychiatry / Volume 30 / Issue S1 / March 2015
- Published online by Cambridge University Press:
- 15 April 2020, p. 1
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Introduction
The self-medication hypothesis suggests that patients diagnosed with schizophrenia might smoke as an attempt to self-medicate theirsymptoms. As a consequence, smoking cessation could worsen their clinical status.
ObjectivesTo assess the clinical changes associated with tobacco cessation in a sample of smoking outpatients with schizophrenia.
MethodsSample: 63 smoking outpatients with DSM-IV Schizophrenia from three Mental Health Centers located in Northern Spain [77.0% males; mean age (SD) = 43.90 (8.72); average daily cigarette use (SD) = 27.99 (12.55)]. Instruments: (1) Clinical symptoms: Positive and Negative Symptoms Scale (PANSS), Hamilton Depression Rating Scale (HDRS), Clinical Global Impression (CGI). (2) Pattern of tobacco use: n° cigarettes/day; Expired carbon monoxide (CO ppm). Design: A quasi-experimental design with two groups was implemented: control group (GC − 18 patients not willing to stop smoking), and treatment group [TG − 45 patients in smoking cessation supported by nicotine patches or vareniclina (12 weeks)]. Patients were evaluated at baseline and at week 11 (end of program). Paired sample t-test was used to detect changes in clinical symptoms from baseline to follow-up.
Results23.1% stopped smoking (from TG). No significant differences were found between baseline and follow-up scores (p>.05) among smokers and abstinent in PANSS subscales, HDRS and CGI.
ConclusionsTobacco cessation did not have a significant effect on the clinical symptoms of this group of patients. Further studies should analyze the stability of these outcomes at longer follow-ups to confirm our results.
EPA-0781 – Psychopathology and Pattern of Tobacco Use in Patients with Schizophrenia.
- S. Al-Halabí, L. García-Álvarez, E. Díaz-Mesa, M. Pouso-Rios, R. Ramos-Ríos, M. Arrojo-Romero, P.A. Sáiz, M.P. García-Portilla, J. Bobes
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- European Psychiatry / Volume 29 / Issue S1 / 2014
- Published online by Cambridge University Press:
- 15 April 2020, p. 1
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Introduction:
The self-medication hypothesis proposes that schizophrenia patients may smoke as an attempt to reduce their cognitive deficits, their symptoms or the antipsychotic side-effects.
Aim:to identify the relationship between the smoking topography and psychopathology among outpatients with DSM-IV schizophrenia.
Method:The sample included 26 smoking outpatients with DSM-IV schizophrenia from a Mental Health Center sited in the North of Spain [65.5% males; mean age (SD) = 44.66 (7.83)]. Instruments: (1) Psychopathology: Positive and Negative Syndrome Scales (PANSS); Clinical Global Impression of Severity (CGI-S); n° antipsychotic. (2) Pattern of tobacco use: n° cigarettes/day; Fargerstrom test for nicotine physical dependence; Glover-Nilsson test for nicotine psychological dependence; Expired carbon monoxide (CO ppm).
Results:prevalence was 59.3% for non-heavy smokers [<30 cigarettes/day; Mean CO (SD)= 24 ppm (9.70)] and 40.7% for heavy smokers [≥30 cigarettes/day; Mean CO (SD) = 36 ppm (16.06)]. PANSS mean score (SD) = 54.07 (12.45); CGI-G mean score (SD) = 3.50 (1.17); Mean number of antipsychotic (SD) = 1.79 (0.88). No significant differences were found between the severity of the psychopatology (PANSS, CGI-S, n° antipsychotic) and all the variables of the pattern of tobacco use (n° cigarettes/day; expired carbon monoxide; Fargerstrom; Glover-Nilsson).
Conclusion:In this sample of schizophrenia patients, there is no relation between the severity of psychopathology and the dependence of nicotine. However, the sample of this study is small.
Updated European Consensus Statement on diagnosis and treatment of adult ADHD
- J.J.S. Kooij, D. Bijlenga, L. Salerno, R. Jaeschke, I. Bitter, J. Balázs, J. Thome, G. Dom, S. Kasper, C. Nunes Filipe, S. Stes, P. Mohr, S. Leppämäki, M. Casas, J. Bobes, J.M. Mccarthy, V. Richarte, A. Kjems Philipsen, A. Pehlivanidis, A. Niemela, B. Styr, B. Semerci, B. Bolea-Alamanac, D. Edvinsson, D. Baeyens, D. Wynchank, E. Sobanski, A. Philipsen, F. McNicholas, H. Caci, I. Mihailescu, I. Manor, I. Dobrescu, T. Saito, J. Krause, J. Fayyad, J.A. Ramos-Quiroga, K. Foeken, F. Rad, M. Adamou, M. Ohlmeier, M. Fitzgerald, M. Gill, M. Lensing, N. Motavalli Mukaddes, P. Brudkiewicz, P. Gustafsson, P. Tani, P. Oswald, P.J. Carpentier, P. De Rossi, R. Delorme, S. Markovska Simoska, S. Pallanti, S. Young, S. Bejerot, T. Lehtonen, J. Kustow, U. Müller-Sedgwick, T. Hirvikoski, V. Pironti, Y. Ginsberg, Z. Félegyházy, M.P. Garcia-Portilla, P. Asherson
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- European Psychiatry / Volume 56 / Issue 1 / February 2019
- Published online by Cambridge University Press:
- 16 November 2018, pp. 14-34
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Background Attention-deficit/hyperactivity disorder (ADHD) is among the most common psychiatric disorders of childhood that often persists into adulthood and old age. Yet ADHD is currently underdiagnosed and undertreated in many European countries, leading to chronicity of symptoms and impairment, due to lack of, or ineffective treatment, and higher costs of illness.
Methods The European Network Adult ADHD and the Section for Neurodevelopmental Disorders Across the Lifespan (NDAL) of the European Psychiatric Association (EPA), aim to increase awareness and knowledge of adult ADHD in and outside Europe. This Updated European Consensus Statement aims to support clinicians with research evidence and clinical experience from 63 experts of European and other countries in which ADHD in adults is recognized and treated.
Results Besides reviewing the latest research on prevalence, persistence, genetics and neurobiology of ADHD, three major questions are addressed: (1) What is the clinical picture of ADHD in adults? (2) How should ADHD be properly diagnosed in adults? (3) How should adult ADHDbe effectively treated?
Conclusions ADHD often presents as a lifelong impairing condition. The stigma surrounding ADHD, mainly due to lack of knowledge, increases the suffering of patients. Education on the lifespan perspective, diagnostic assessment, and treatment of ADHD must increase for students of general and mental health, and for psychiatry professionals. Instruments for screening and diagnosis of ADHD in adults are available, as are effective evidence-based treatments for ADHD and its negative outcomes. More research is needed on gender differences, and in older adults with ADHD.
The in vitro antileishmanial activity of essential oil from Aloysia gratissima and guaiol, its major sesquiterpene against Leishmania amazonensis
- Maria Carolina Freitas Garcia, Deivid Costa Soares, Raissa Couto Santana, Elvira Maria Saraiva, Antonio Carlos Siani, Mônica Freiman S. Ramos, Maria das Graças Miranda Danelli, Thaïs Cristina Souto-Padron, Lucia H. Pinto-da-Silva
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- Parasitology / Volume 145 / Issue 9 / August 2018
- Published online by Cambridge University Press:
- 21 January 2018, pp. 1219-1227
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Leishmaniases is a tropical disease caused by protozoa of the genus Leishmania for which the current treatment is expensive, besides increasing reports of parasite resistance. This study investigated the anti-Leishmania amazonensis activity of the essential oil from Aloysia gratissima (AgEO) and guaiol, the major sesquiterpene constituent in the oil. Our results showed that AgEO killed promastigotes and intracellular amastigotes at an IC50 of 25 and 0·16 µg mL−1, respectively, while guaiol killed amastigotes at an IC50 of 0·01 µg mL−1. Both AgEO and guaiol were safe for macrophages up to 100 µg mL−1, as evaluated by the dehydrogenase activity, membrane integrity and phagocytic capacity. AgEO and guaiol did not induce nitrite oxide (NO) in resting macrophages and inhibited the production of NO in lipopolysaccharide-stimulated macrophages. The ultrastructural analysis suggested that AgEO and guaiol act directly on parasites, affecting promastigotes kinetoplast, mitochondrial matrix and plasma membrane. Together, these results pointed out that AgEO and guaiol could be promising candidates to develop anti-Leishmania drugs.
Delivering 21st century Antarctic and Southern Ocean science
- M.C. Kennicutt II, Y.D. Kim, M. Rogan-Finnemore, S. Anandakrishnan, S.L. Chown, S. Colwell, D. Cowan, C. Escutia, Y. Frenot, J. Hall, D. Liggett, A.J. Mcdonald, U. Nixdorf, M.J. Siegert, J. Storey, A. Wåhlin, A. Weatherwax, G.S. Wilson, T. Wilson, R. Wooding, S. Ackley, N. Biebow, D. Blankenship, S. Bo, J. Baeseman, C.A. Cárdenas, J. Cassano, C. Danhong, J. Dañobeitia, J. Francis, J. Guldahl, G. Hashida, L. Jiménez Corbalán, A. Klepikov, J. Lee, M. Leppe, F. Lijun, J. López-Martinez, M. Memolli, Y. Motoyoshi, R. Mousalle Bueno, J. Negrete, M.A. Ojeda Cárdenes, M. Proaño Silva, S. Ramos-Garcia, H. Sala, H. Shin, X. Shijie, K. Shiraishi, T. Stockings, S. Trotter, D.G. Vaughan, J. Viera Da Unha De Menezes, V. Vlasich, Q. Weijia, J.-G. Winther, H. Miller, S. Rintoul, H. Yang
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- Antarctic Science / Volume 28 / Issue 6 / December 2016
- Published online by Cambridge University Press:
- 21 October 2016, pp. 407-423
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The Antarctic Roadmap Challenges (ARC) project identified critical requirements to deliver high priority Antarctic research in the 21st century. The ARC project addressed the challenges of enabling technologies, facilitating access, providing logistics and infrastructure, and capitalizing on international co-operation. Technological requirements include: i) innovative automated in situ observing systems, sensors and interoperable platforms (including power demands), ii) realistic and holistic numerical models, iii) enhanced remote sensing and sensors, iv) expanded sample collection and retrieval technologies, and v) greater cyber-infrastructure to process ‘big data’ collection, transmission and analyses while promoting data accessibility. These technologies must be widely available, performance and reliability must be improved and technologies used elsewhere must be applied to the Antarctic. Considerable Antarctic research is field-based, making access to vital geographical targets essential. Future research will require continent- and ocean-wide environmentally responsible access to coastal and interior Antarctica and the Southern Ocean. Year-round access is indispensable. The cost of future Antarctic science is great but there are opportunities for all to participate commensurate with national resources, expertise and interests. The scope of future Antarctic research will necessitate enhanced and inventive interdisciplinary and international collaborations. The full promise of Antarctic science will only be realized if nations act together.
Adsorption of HCN onto sodium montmorillonite dependent on the pH as a component to chemical evolution
- M. Colin-Garcia, A. Heredia, A. Negron-Mendoza, F. Ortega, T. Pi, S. Ramos-Bernal
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- International Journal of Astrobiology / Volume 13 / Issue 4 / October 2014
- Published online by Cambridge University Press:
- 12 May 2014, pp. 310-318
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The aim of this work is to study the behaviour of hydrogen cyanide (HCN) adsorbed onto mineral surfaces (sodium montmorillonite, a clay mineral) in different pH environments as a possible prebiotic process for complexation of organics. Our experimental results show that specific sites on the surface of the clay increased the concentration of HCN molecules dependent on the pH values. Moreover, this adsorption can occur through physical and chemical interactions enhanced by the channel structure of the sodium montmorillonite. The three-dimensional channelling structure of the clay accumulates the organics, hindering the releasing (desorption) of the organic molecules. A molecular model developed here also confirms the role of the pH as a regulating factor in the adsorption of HCN onto the inorganic surfaces and the possibility for further reactions forming more complex molecules, as an abiotic mechanism important in prebiotic chemical evolution processes.
Stellar variability in the VVV survey: overview and first results
- M. Catelan, D. Minniti, P. W. Lucas, I. Dékány, R. K. Saito, R. Angeloni, J. Alonso-García, M. Hempel, K. Hełminiak, A. Jordán, R. Contreras Ramos, C. Navarrete, J. C. Beamín, A. F. Rojas, F. Gran, C. E. Ferreira Lopes, C. Contreras Peña, E. Kerins, L. Huckvale, M. Rejkuba, R. Cohen, F. Mauro, J. Borissova, P. Amigo, S. Eyheramendy, K. Pichara, N. Espinoza, C. Navarro, G. Hajdu, D. N. Calderón Espinoza, G. A. Muro, H. Andrews, V. Motta, R. Kurtev, J. P. Emerson, C. Moni Bidin, A.-N. Chené
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- Proceedings of the International Astronomical Union / Volume 9 / Issue S301 / August 2013
- Published online by Cambridge University Press:
- 18 February 2014, pp. 395-396
- Print publication:
- August 2013
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The Vista Variables in the Vía Láctea (VVV) ESO Public Survey is an ongoing time-series, near-infrared (IR) survey of the Galactic bulge and an adjacent portion of the inner disk, covering 562 square degrees of the sky, using ESO's VISTA telescope. The survey has provided superb multi-color photometry in 5 broadband filters (Z, Y, J, H, and Ks), leading to the best map of the inner Milky Way ever obtained, particularly in the near-IR. The main part of the survey, which is focused on the variability in the Ks-band, is currently underway, with bulge fields observed between 34 and 73 times, and disk fields between 34 and 36 times. When the survey is complete, bulge (disk) fields will have been observed up to a total of 100 (60) times, providing unprecedented depth and time coverage in the near-IR. Here we provide a first overview of stellar variability in the VVV data.
Induction of a food allergy model in Brown Norway rats
- M. Abril-Gil, M. Massot-Cladera, F. J. Pérez-Cano, A. Garcia-Just, S. Ramos-Romero, C. Castellote, A. Franch, M. Castell
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- Proceedings of the Nutrition Society / Volume 72 / Issue OCE1 / 2013
- Published online by Cambridge University Press:
- 19 April 2013, E42
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Nutritional status of parasitised individuals with Toxocara canis in the State of Mexico
- N. Ramírez Durán, R. Valdés Ramos, C. Romero Nuñez, G. Vázquez García, S. Y. Yañez Arteaga, G. D. Mendoza Martínez
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- Proceedings of the Nutrition Society / Volume 70 / Issue OCE2 / 2011
- Published online by Cambridge University Press:
- 04 August 2011, E43
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Multidisciplinary integrated field campaign to an acidic Martian Earth analogue with astrobiological interest: Rio Tinto
- F. Gómez, N. Walter, R. Amils, F. Rull, A.K. Klingelhöfer, J. Kviderova, P. Sarrazin, B. Foing, A. Behar, I. Fleischer, V. Parro, M. Garcia-Villadangos, D. Blake, J.D. Martin Ramos, S. Direito, P. Mahapatra, C. Stam, K. Venkateswaran, M. Voytek
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- International Journal of Astrobiology / Volume 10 / Issue 3 / July 2011
- Published online by Cambridge University Press:
- 24 February 2011, pp. 291-305
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Recently reported results from latest Mars Orbiters and Rovers missions are transforming our opinion about the red planet. That dry and inhospitable planet reported in the past is becoming a wetter planet with high probabilities of water existence in the past. Nowadays, some results seem to indicate the presence of water beneath the Mars surface. But also mineralogy studies by NASA Opportunity Rover report iron oxides and hydroxides precipitates on Endurance Crater. Sedimentary deposits have been identified at Meridiani Planum. These deposits must have generated in a dune aqueous acidic and oxidizing environment. Similarities appear when we study Rio Tinto, and acidic river under the control of iron.
The discovery of extremophiles on Earth widened the window of possibilities for life to develop in the Universe, and as a consequence on Mars and other planetary bodies with astrobiological interest. The compilation of data produced by the ongoing missions offers an interested view for life possibilities to exist: signs of an early wet Mars and rather recent volcanic activity as well as ground morphological characteristics that seem to be promoted by liquid water. The discovery of important accumulations of sulfates and the existence of iron minerals such as jarosite in rocks of sedimentary origin has allowed specific terrestrial models to come into focus. Río Tinto (Southwestern Spain, Iberian Pyritic Belt) is an extreme acidic environment, product of the chemolithotrophic activity of micro-organisms that thrive in the massive pyrite-rich deposits of the Iberian Pyritic Belt. Some particular protective environments should house the organic molecules and bacterial life forms in harsh environments such as Mars surface supporting microniches inside precipitated minerals or inside rocks. Terrestrial analogues could help us to afford the comprehension of habitability (on other planetary bodies).
We are reporting here the multidisciplinary study of some endolithic niches inside salt deposits used by phototrophs for taking advantage of sheltering particular light wavelengths. These acidic salts deposits located in Río Tinto shelter life forms that are difficult to visualize by eye. This interdisciplinary field analogue campaign was conducted in the framework of the CAREX FP7 EC programme.
Contributors
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- By Rose Teteki Abbey, K. C. Abraham, David Tuesday Adamo, LeRoy H. Aden, Efrain Agosto, Victor Aguilan, Gillian T. W. Ahlgren, Charanjit Kaur AjitSingh, Dorothy B E A Akoto, Giuseppe Alberigo, Daniel E. Albrecht, Ruth Albrecht, Daniel O. Aleshire, Urs Altermatt, Anand Amaladass, Michael Amaladoss, James N. Amanze, Lesley G. Anderson, Thomas C. Anderson, Victor Anderson, Hope S. Antone, María Pilar Aquino, Paula Arai, Victorio Araya Guillén, S. Wesley Ariarajah, Ellen T. Armour, Brett Gregory Armstrong, Atsuhiro Asano, Naim Stifan Ateek, Mahmoud Ayoub, John Alembillah Azumah, Mercedes L. García Bachmann, Irena Backus, J. Wayne Baker, Mieke Bal, Lewis V. Baldwin, William Barbieri, António Barbosa da Silva, David Basinger, Bolaji Olukemi Bateye, Oswald Bayer, Daniel H. Bays, Rosalie Beck, Nancy Elizabeth Bedford, Guy-Thomas Bedouelle, Chorbishop Seely Beggiani, Wolfgang Behringer, Christopher M. Bellitto, Byard Bennett, Harold V. Bennett, Teresa Berger, Miguel A. Bernad, Henley Bernard, Alan E. Bernstein, Jon L. Berquist, Johannes Beutler, Ana María Bidegain, Matthew P. Binkewicz, Jennifer Bird, Joseph Blenkinsopp, Dmytro Bondarenko, Paulo Bonfatti, Riet en Pim Bons-Storm, Jessica A. Boon, Marcus J. Borg, Mark Bosco, Peter C. Bouteneff, François Bovon, William D. Bowman, Paul S. Boyer, David Brakke, Richard E. Brantley, Marcus Braybrooke, Ian Breward, Ênio José da Costa Brito, Jewel Spears Brooker, Johannes Brosseder, Nicholas Canfield Read Brown, Robert F. Brown, Pamela K. Brubaker, Walter Brueggemann, Bishop Colin O. Buchanan, Stanley M. Burgess, Amy Nelson Burnett, J. Patout Burns, David B. Burrell, David Buttrick, James P. Byrd, Lavinia Byrne, Gerado Caetano, Marcos Caldas, Alkiviadis Calivas, William J. Callahan, Salvatore Calomino, Euan K. Cameron, William S. Campbell, Marcelo Ayres Camurça, Daniel F. Caner, Paul E. Capetz, Carlos F. Cardoza-Orlandi, Patrick W. Carey, Barbara Carvill, Hal Cauthron, Subhadra Mitra Channa, Mark D. Chapman, James H. Charlesworth, Kenneth R. Chase, Chen Zemin, Luciano Chianeque, Philip Chia Phin Yin, Francisca H. Chimhanda, Daniel Chiquete, John T. Chirban, Soobin Choi, Robert Choquette, Mita Choudhury, Gerald Christianson, John Chryssavgis, Sejong Chun, Esther Chung-Kim, Charles M. A. Clark, Elizabeth A. Clark, Sathianathan Clarke, Fred Cloud, John B. Cobb, W. Owen Cole, John A Coleman, John J. Collins, Sylvia Collins-Mayo, Paul K. Conkin, Beth A. Conklin, Sean Connolly, Demetrios J. Constantelos, Michael A. Conway, Paula M. Cooey, Austin Cooper, Michael L. Cooper-White, Pamela Cooper-White, L. William Countryman, Sérgio Coutinho, Pamela Couture, Shannon Craigo-Snell, James L. Crenshaw, David Crowner, Humberto Horacio Cucchetti, Lawrence S. Cunningham, Elizabeth Mason Currier, Emmanuel Cutrone, Mary L. Daniel, David D. Daniels, Robert Darden, Rolf Darge, Isaiah Dau, Jeffry C. Davis, Jane Dawson, Valentin Dedji, John W. de Gruchy, Paul DeHart, Wendy J. Deichmann Edwards, Miguel A. De La Torre, George E. Demacopoulos, Thomas de Mayo, Leah DeVun, Beatriz de Vasconcellos Dias, Dennis C. Dickerson, John M. Dillon, Luis Miguel Donatello, Igor Dorfmann-Lazarev, Susanna Drake, Jonathan A. Draper, N. Dreher Martin, Otto Dreydoppel, Angelyn Dries, A. J. Droge, Francis X. D'Sa, Marilyn Dunn, Nicole Wilkinson Duran, Rifaat Ebied, Mark J. Edwards, William H. Edwards, Leonard H. Ehrlich, Nancy L. Eiesland, Martin Elbel, J. Harold Ellens, Stephen Ellingson, Marvin M. Ellison, Robert Ellsberg, Jean Bethke Elshtain, Eldon Jay Epp, Peter C. Erb, Tassilo Erhardt, Maria Erling, Noel Leo Erskine, Gillian R. Evans, Virginia Fabella, Michael A. Fahey, Edward Farley, Margaret A. Farley, Wendy Farley, Robert Fastiggi, Seena Fazel, Duncan S. Ferguson, Helwar Figueroa, Paul Corby Finney, Kyriaki Karidoyanes FitzGerald, Thomas E. FitzGerald, John R. Fitzmier, Marie Therese Flanagan, Sabina Flanagan, Claude Flipo, Ronald B. Flowers, Carole Fontaine, David Ford, Mary Ford, Stephanie A. Ford, Jim Forest, William Franke, Robert M. Franklin, Ruth Franzén, Edward H. Friedman, Samuel Frouisou, Lorelei F. Fuchs, Jojo M. Fung, Inger Furseth, Richard R. Gaillardetz, Brandon Gallaher, China Galland, Mark Galli, Ismael García, Tharscisse Gatwa, Jean-Marie Gaudeul, Luis María Gavilanes del Castillo, Pavel L. Gavrilyuk, Volney P. Gay, Metropolitan Athanasios Geevargis, Kondothra M. George, Mary Gerhart, Simon Gikandi, Maurice Gilbert, Michael J. Gillgannon, Verónica Giménez Beliveau, Terryl Givens, Beth Glazier-McDonald, Philip Gleason, Menghun Goh, Brian Golding, Bishop Hilario M. Gomez, Michelle A. Gonzalez, Donald K. Gorrell, Roy Gottfried, Tamara Grdzelidze, Joel B. Green, Niels Henrik Gregersen, Cristina Grenholm, Herbert Griffiths, Eric W. Gritsch, Erich S. Gruen, Christoffer H. Grundmann, Paul H. Gundani, Jon P. Gunnemann, Petre Guran, Vidar L. Haanes, Jeremiah M. Hackett, Getatchew Haile, Douglas John Hall, Nicholas Hammond, Daphne Hampson, Jehu J. Hanciles, Barry Hankins, Jennifer Haraguchi, Stanley S. Harakas, Anthony John Harding, Conrad L. Harkins, J. William Harmless, Marjory Harper, Amir Harrak, Joel F. Harrington, Mark W. Harris, Susan Ashbrook Harvey, Van A. Harvey, R. Chris Hassel, Jione Havea, Daniel Hawk, Diana L. Hayes, Leslie Hayes, Priscilla Hayner, S. Mark Heim, Simo Heininen, Richard P. Heitzenrater, Eila Helander, David Hempton, Scott H. Hendrix, Jan-Olav Henriksen, Gina Hens-Piazza, Carter Heyward, Nicholas J. Higham, David Hilliard, Norman A. Hjelm, Peter C. Hodgson, Arthur Holder, M. Jan Holton, Dwight N. Hopkins, Ronnie Po-chia Hsia, Po-Ho Huang, James Hudnut-Beumler, Jennifer S. Hughes, Leonard M. Hummel, Mary E. Hunt, Laennec Hurbon, Mark Hutchinson, Susan E. Hylen, Mary Beth Ingham, H. Larry Ingle, Dale T. Irvin, Jon Isaak, Paul John Isaak, Ada María Isasi-Díaz, Hans Raun Iversen, Margaret C. Jacob, Arthur James, Maria Jansdotter-Samuelsson, David Jasper, Werner G. Jeanrond, Renée Jeffery, David Lyle Jeffrey, Theodore W. Jennings, David H. Jensen, Robin Margaret Jensen, David Jobling, Dale A. Johnson, Elizabeth A. Johnson, Maxwell E. Johnson, Sarah Johnson, Mark D. Johnston, F. Stanley Jones, James William Jones, John R. Jones, Alissa Jones Nelson, Inge Jonsson, Jan Joosten, Elizabeth Judd, Mulambya Peggy Kabonde, Robert Kaggwa, Sylvester Kahakwa, Isaac Kalimi, Ogbu U. Kalu, Eunice Kamaara, Wayne C. Kannaday, Musimbi Kanyoro, Veli-Matti Kärkkäinen, Frank Kaufmann, Léon Nguapitshi Kayongo, Richard Kearney, Alice A. Keefe, Ralph Keen, Catherine Keller, Anthony J. Kelly, Karen Kennelly, Kathi Lynn Kern, Fergus Kerr, Edward Kessler, George Kilcourse, Heup Young Kim, Kim Sung-Hae, Kim Yong-Bock, Kim Yung Suk, Richard King, Thomas M. King, Robert M. Kingdon, Ross Kinsler, Hans G. Kippenberg, Cheryl A. 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Lotz, Andrew Louth, Robin W. Lovin, William Luis, Frank D. Macchia, Diarmaid N. J. MacCulloch, Kirk R. MacGregor, Marjory A. MacLean, Donald MacLeod, Tomas S. Maddela, Inge Mager, Laurenti Magesa, David G. Maillu, Fortunato Mallimaci, Philip Mamalakis, Kä Mana, Ukachukwu Chris Manus, Herbert Robinson Marbury, Reuel Norman Marigza, Jacqueline Mariña, Antti Marjanen, Luiz C. L. Marques, Madipoane Masenya (ngwan'a Mphahlele), Caleb J. D. Maskell, Steve Mason, Thomas Massaro, Fernando Matamoros Ponce, András Máté-Tóth, Odair Pedroso Mateus, Dinis Matsolo, Fumitaka Matsuoka, John D'Arcy May, Yelena Mazour-Matusevich, Theodore Mbazumutima, John S. McClure, Christian McConnell, Lee Martin McDonald, Gary B. McGee, Thomas McGowan, Alister E. McGrath, Richard J. McGregor, John A. McGuckin, Maud Burnett McInerney, Elsie Anne McKee, Mary B. McKinley, James F. McMillan, Ernan McMullin, Kathleen E. McVey, M. 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Yee, Viktor Yelensky, Yeo Khiok-Khng, Gustav K. K. Yeung, Angela Yiu, Amos Yong, Yong Ting Jin, You Bin, Youhanna Nessim Youssef, Eliana Yunes, Robert Michael Zaller, Valarie H. Ziegler, Barbara Brown Zikmund, Joyce Ann Zimmerman, Aurora Zlotnik, Zhuo Xinping
- Edited by Daniel Patte, Vanderbilt University, Tennessee
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- The Cambridge Dictionary of Christianity
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- 05 August 2012
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- 20 September 2010, pp xi-xliv
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Dengue virus in Mexican bats
- Á. AGUILAR-SETIÉN, M. L. ROMERO-ALMARAZ, C. SÁNCHEZ-HERNÁNDEZ, R. FIGUEROA, L. P. JUÁREZ-PALMA, M. M. GARCÍA-FLORES, C. VÁZQUEZ-SALINAS, M. SALAS-ROJAS, A. C. HIDALGO-MARTÍNEZ, S. AGUILAR PIERLÉ, C. GARCÍA-ESTRADA, C. RAMOS
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- Epidemiology & Infection / Volume 136 / Issue 12 / December 2008
- Published online by Cambridge University Press:
- 06 March 2008, pp. 1678-1683
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Individuals belonging to five families, 12 genera, and 19 different species of bats from dengue endemic areas in the Gulf and Pacific coasts of Mexico were examined by ELISA, RT–PCR, and for the presence of dengue virus (DV) NS1 protein. Nine individuals from four species were seropositive by ELISA: three insectivorous, Myotis nigricans (four positives/12 examined), Pteronotus parnellii (3/19), and Natalus stramineus (1/4), and one frugivorous Artibeus jamaicensis (1/35) (12·86% seroprevalence in positive species). DV serotype 2 was detected by RT–PCR in four samples from three species (all from the Gulf coast – rainy season): two frugivorous, A. jamaicensis (2/9), and Carollia brevicauda (1/2), and one insectivorous, M. nigricans (1/11). The latter was simultaneously positive for NS1 protein. DV RT–PCR positive animals were all antibody seronegative. M. nigricans showed positive individuals for all three tests. This is the first evidence suggesting the presence of DV in bats from Mexico.
Non-imported brucellosis outbreak from unpasteurized raw milk in Moroccan immigrants in Spain
- J. M. RAMOS, E. BERNAL, T. ESGUEVILLAS, P. LOPEZ-GARCIA, M. S. GAZTAMBIDE, F. GUTIERREZ
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- Epidemiology & Infection / Volume 136 / Issue 11 / November 2008
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- 21 January 2008, pp. 1552-1555
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Nine cases of brucellosis were identified in the city of Elche (Comunidad Valenciana, Spain) in two families of Moroccan immigrants. All of the patients had drunk unpasteurized raw milk from goats. Brucella melitensis biovar 3 was identified in clinical specimens. Preventive measures for brucellosis should be implemented among immigrant populations in Spain.