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Environment-induced epigenetics are involved in diapause regulation, but the molecular mechanism that epigenetically couples nutrient metabolism to diapause regulation remains unclear. In this study, we paid special attention to the significant differences in the level of N6-adenosine methylation (m6A) of dihydroxyacetone phosphate acyltransferase (DHAPAT) and phosphatidate phosphatase (PAP) genes in the lipid metabolism pathway of the bivoltine silkworm (Bombyx mori) strain Qiufeng developed from eggs incubated at a normal temperature (QFHT, diapause egg producer) compared to those from eggs incubated at a low temperature (QFLT, non-diapause egg producer). We knocked down DHAPAT in the pupal stage of the QFLT group, resulting in the non-diapause destined eggs becoming diapausing eggs. In the PAP knockdown group, the colour of the non-diapause destined eggs changed from light yellow to pink 3 days after oviposition, but they hatched as normal. Moreover, we validated that YTHDF3 binds to m6A-modified DHAPAT and PAP mRNAs to promote their stability and translation. These results suggest that RNA m6A methylation participates in the diapause regulation of silkworm by changing the expression levels of DHAPAT and PAP and reveal that m6A epigenetic modification can be combined with a lipid metabolism signal pathway to participate in the regulation of insect diapause traits, which provides a clearer image for exploring the physiological basis of insect diapause.
The developed and developing members of the World Trade Organization (WTO) are deeply divided on the concept, scope, and beneficiaries of the special and differential treatment (SDT) provisions. The division was revealed in the Committee on Trade and Development meetings, where developed members rejected the Group of 90's proposals to strengthen and operationalize SDT provisions in WTO agreements. This article focuses on the SDT provisions in the Dispute Settlement Understanding (DSU), positing that the provisions are ineffective in upholding the WTO's development objectives. It analyses the extent to which the needs and circumstances of low-income developing countries and least-developed countries have been considered by the WTO adjudicating bodies through the application and interpretation of SDT provisions in the DSU. The article seeks to reimagine SDT provisions’ role in the DSU through secondary lawmaking and progressive treaty interpretation to ensure development is integrated into the WTO's Dispute Settlement Mechanism.
This note presents a short reply to Henderson’s critical discussion of Schurz’s approach to the problem of induction based on the optimality of meta-induction. Henderson objects that the meta-inductive a posteriori justification of object-induction rests on a certain premise—namely, an approximation condition—that she reveals as untenable. I reply that Henderson’s approximation condition is indeed too strong to be plausible, but it is not needed by the meta-inductive approach; a much weaker and highly plausible approximation condition is sufficient.
Basal cognition investigates cognition working upward from nonneuronal organisms. Because basal cognition is committed to empirically testable hypotheses, a methodological challenge arises: how can experiments avoid using zoocentric assumptions that ignore the ecological contexts that might elicit cognitively driven behavior in nonneuronal organisms? To meet this challenge, I articulate the principle of dynamic holism (PDH), a methodological principle for guiding research on nonneuronal cognition. I describe PDH’s relation to holistic research programs in human-focused cognitive science and psychology then present an argument from analogy based on holistic developmental biology. Last, I examine two experiments exemplifying the need for PDH.
Materialists about human persons say that we are, and must be, wholly material beings. Substance dualists say that we are, and must be, wholly immaterial. In this article, I take issue with the ‘and must be’ bits. Both materialists and substance dualists would do well to reject modal extensions of their views and instead opt for contingent doctrines, or doctrines that are silent about those modal extensions. Or so I argue.
Carpal tunnel syndrome (CTS) is one of the most common extra-cardiac manifestations of wild-type transthyretin amyloidosis (wtATTR); however, the characteristics of CTS in this population remain poorly understood.
Methods:
This retrospective cohort study reports findings from a single-centre experience of comprehensive neurological screening at the time of wtATTR diagnosis by nerve conduction studies (NCS) and neurologist assessment.
Results:
Seventy-nine patients underwent neurological screening, 73 (92%) males, mean age 79.2 ± 7.5 years. Seventy-four (94%) had electrodiagnostic findings of median neuropathy at the wrist (MNW), 37 (50%) of which had a prior diagnosis of CTS and 37 (50%) had a new diagnosis of MNW. Over half of wtATTR patients (42, 53%) had bilateral MNW on screening. Most with pre-existing CTS had bilateral disease (28, 76%) and underwent bilateral carpal tunnel release (CTR) (23, 62%) prior to screening. Twenty-one (19%) wrists had mild MNW, 43 (38%) moderate and 49 (43%) severe. Twenty-one (28%) wtATTR patients with MNW were asymptomatic, 10 of which (48%) had moderate disease. Nineteen (36%) wtATTR patients with symptomatic MNW had recurrent disease despite previous CTR. As a result of screening, 36 (68%) patients with symptomatic MNW were referred for CTR.
Conclusions:
MNW is exceptionally common at the time of wtATTR diagnosis, affecting 94% of our patients. Most had severe, bilateral MNW on NCS. Some were asymptomatic, despite having moderate disease. The rate of recurrence following CTR was observed to be higher in wtATTR patients than the general population.
Cet article démontre que la théorie de l’expérience (taǧriba) d’Ibn Sīnā nécessite une référence croisée entre la logique et la psychologie. Suivant la tradition linguistique basrane, il paraphrase les noms dérivés (ism muštaqq) dans la formule li-x y (« y appartient à x ») : par exemple, ʿālim (« savoir ») est paraphrasé en lahu ʿilm (« un acte de savoir lui appartient »). Sa théorie de l’expérience emploie cette formule pour arranger les phénomènes observés dans une certaine forme de syllogisme et décrire les fonctions des sens internes du cerveau. Ibn Sīnā arrange les phénomènes observés dans la formule li-x y ou la proposition dont un prédicat est un nom dérivé de y. En même temps, il soutient que le sens du souvenir est impliqué dans le processus de l’expérience. Le souvenir est un sens interne du cerveau, qui préserve maʿnā perçue par le sens de l’estimation. L’estimation consiste à percevoir maʿnā (y) qui est inhérente à un sujet (x), et à porter un jugement sur x en fonction de y. Ainsi, dans ce processus, l’analyse des noms dérivés range les phénomènes observés dans un ordre rationnel, et le sens interne établit la causalité entre l’appréhension et l’affirmation logique. L’article se termine par une discussion sur la relation de cette philosophie avec la médecine.
We consider three different families of Vafa–Witten invariants of $K3$ surfaces. In each case, the partition function that encodes the Vafa–Witten invariants is given by combinations of twisted Dedekind η-functions. By utilizing known properties of these η-functions, we obtain exact formulae for each of the invariants and prove that they asymptotically satisfy all higher-order Turán inequalities.
This article explores the relationship between women’s labor market participation and early childhood education and care (ECEC) in Turkey within a broader Mediterranean context. Since the 1990s, there have been significant changes in the familialist models in the Mediterranean region driven by women’s increased labor market participation and the expansion of ECEC services. The transformations in the region have unveiled a significant link between the expansion of preschool education and an increase in women’s labor market participation. Turkey missed this critical juncture in the 1990s, as indicated by the low employment rates of women and below-the-Organisation for Economic Co-operation and Development (OECD)-average preschool enrolment. Through a comparative perspective that examines the slow progress in both areas in Turkey as well as the gendered feature of its familialist model, the article emphasizes the need for closer analysis of the link between ECEC and the low labor force participation of women. Given that the expansion of ECEC in the 2000s has taken place through market-driven services, the article concludes that the link between ECEC and women’s labor market participation exhibits a class dimension. Thereby, women from lower socio-economic groups are increasingly experiencing the impact of the gendered characteristics inherent in the familialist regime in Turkey.
This article focuses on the movement to reform legal education in early national Virginia, offering a fresh perspective by examining the connection between legal education and society and culture. It challenges the notion that constitutional ideas were the primary driving force behind reforms and argues that social status and “manners” played a more significant role. Wealthy elites in Virginia associated manners with education, sending their sons to college to become gentlemen, as it secured their aspirations to gentility and their influence over society and politics. Reformers sought to capitalize on this connection by educating a generation of university-trained, genteel lawyers who could lead the state's legislature and its courts. In this sense, educational reform was genteel rather than democratic in its basic assumptions. The article examines the central figure of George Wythe and explores his influence on Virginia's leading men, including Thomas Jefferson and St. George Tucker. It delves into the student experience in Wythe's law office and at the College of William and Mary, the success of educational reforms in the central courts, and the effects on Virginia's constitutional development. The college-educated lawyers who came to dominate the legislature in the early nineteenth century used their training for politics. As these lawyers sought to strengthen the institutions their party controlled, they drove the development of constitutional doctrines like federalism and separation of powers.