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1.
Sci Data ; 11(1): 1025, 2024 Sep 19.
Artigo em Inglês | MEDLINE | ID: mdl-39300179

RESUMO

In China, the exigency for precise wheat grain protein content (GPC) data rises with growing food consumption demands and global market competition. However, due to the lack of extensive, prolonged high-resolution benchmark data, previous GPC studies have primarily focused on experimental fields, small geographic units, and limited temporal scopes. Additionally, the diverse geographical terrain in China exacerbates the challenges of large-scale GPC estimation. To address this challenge and the data gap, the first 500-meter spatial resolution, long-term winter wheat dataset covering major planting regions in China (CNWheatGPC-500) was created by integrating multi-source data from ERA5 and MODIS. The results demonstrate that the GPC estimation model based on hierarchical linear model significantly outperformed other conventional models. The validation dataset exhibited an R2 of 0.45 and an RMSE of 0.96%. In cross-validation, the RMSE values ranged from 0.90% in Gansu to 1.32% in Anhui. For leave-one-year-out cross-validation, the RMSE values ranged from 0.77% to 1.11%. CNWheatGPC-500 offers valuable insights for enhancing wheat production, quality control, and agricultural decision-making.


Assuntos
Triticum , Triticum/química , China , Proteínas de Grãos/análise , Proteínas de Plantas/análise , Grão Comestível/química , Estações do Ano
2.
J Med Philos ; 2024 Sep 08.
Artigo em Inglês | MEDLINE | ID: mdl-39244778

RESUMO

It is widely held that to break a promise that one made to a person who is now dead would be to wrong her. This view undergirds many positions in bioethics, ranging from those that concern who may access a person's medical records after she has died, to questions concerning organ procurement and posthumous procreation. Ashley Dressel has argued that there is no reason to believe that promissory obligations can be owed to people who are dead. Although her arguments are unsuccessful, others establish that neither of the promissory obligation accounts that she considers (the "Authority Account" and the "harm-based view") can justify the standard view that directed posthumous promissory obligation is possible. However, this does not mean that the received view that we should keep our promises to the dead is mistaken. First, the theoretical commitments and argumentative strategies of those who endorse the possibility of posthumous promissory obligations preclude them from grounding such on either of these accounts of directed promissory obligation. They are thus already committed to justifying such obligations in other ways. Second, the obligation to keep promises to the dead could be justified on the grounds that not to do so would adversely affect the living.

3.
PLoS One ; 19(9): e0307067, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39240951

RESUMO

We explore the ways in which residents of Neolithic Çatalhöyük in Anatolia differentiated themselves as well as the ways in which they did not. We integrate numerous data sets in order to assess patterns of inequality (A) across buildings with contemporaneous occupations, (B) between buildings that did or did not burn at abandonment, and (C) through time. We use Gini coefficients so as to maximize comparability with other studies of inequality in the ancient and modern worlds, discussing the underlying data and our results to clarify and enhance the value of the quantitative analyses. We evaluate whether or not trajectories of inequality align across data sets in order to determine how far success in one realm correlated with success in another. Our results indicate no unified trajectory of inequality through time. We perceive broadly similar access to staple foods, but not to goods less directly related to survival; relatively elevated income inequality during the middle portion of the site's occupation, plausibly deliberately tamped down; and no evidence for institutionalized or lasting economic or social inequality. These findings shed light on Neolithic social dynamics and also contribute to broader discussions of inequality and the social ramifications of early agropastoralism.


Assuntos
Fatores Socioeconômicos , Humanos , Renda , Turquia , Agricultura/história , Arqueologia
4.
NPJ Digit Med ; 7(1): 241, 2024 Sep 10.
Artigo em Inglês | MEDLINE | ID: mdl-39251821

RESUMO

In pandemic mitigation, strategies such as social distancing and mask-wearing are vital to prevent disease resurgence. Yet, monitoring adherence is challenging, as individuals might be reluctant to share behavioral data with public health authorities. To address this challenge and demonstrate a framework for conducting observational research with sensitive data in a privacy-conscious manner, we employ a privacy-centric epidemiological study design: the federated cohort. This approach leverages recent computational advances to allow for distributed participants to contribute to a prospective, observational research study while maintaining full control of their data. We apply this strategy here to explore pandemic intervention adherence patterns. Participants (n = 3808) were enrolled in our federated cohort via the "Google Health Studies" mobile application. Participants completed weekly surveys and contributed empirically measured mobility data from their Android devices between November 2020 to August 2021. Using federated analytics, differential privacy, and secure aggregation, we analyzed data in five 6-week periods, encompassing the pre- and post-vaccination phases. Our results showed that participants largely utilized non-pharmaceutical intervention strategies until they were fully vaccinated against COVID-19, except for individuals without plans to become vaccinated. Furthermore, this project offers a blueprint for conducting a federated cohort study and engaging in privacy-preserving research during a public health emergency.

5.
EXCLI J ; 23: 883-887, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-39165587
6.
Contact Dermatitis ; 2024 Aug 21.
Artigo em Inglês | MEDLINE | ID: mdl-39169428

RESUMO

BACKGROUND: Photoallergic contact dermatitis (PACD) is a delayed hypersensitivity reaction to allergens only in the presence of ultraviolet radiation in sunlight. Photopatch testing (PhotoPT) is necessary to confirm the diagnosis of PACD. There are few published studies of PhotoPT in North America. OBJECTIVE: To summarise the results of patients photopatch tested by members of the North American Contact Dermatitis Group (NACDG), 2009-2020. METHODS: Retrospective analysis of patient characteristics and PhotoPT results to 32 allergens on the NACDG Photopatch Test Series. RESULTS: Most of the 454 tested patients were female (70.3%), 21-60 years old (66.7%) and White (66.7%). There were a total of 119 positive photopatch tests. Sunscreen agents comprised 88.2% of those, with benzophenones responsible for over half of them. Final diagnoses included PACD in 17.2%, allergic contact dermatitis (ACD) in 44.5%, polymorphous light eruption (PMLE) in 18.9% and chronic actinic dermatitis (CAD) in 9.0% of patients. CONCLUSIONS: In 454 patients with suspected photosensitivity referred for photopatch testing in North America, approximately one-fifth had PACD. Sunscreen agents, especially benzophenones, were the most common photoallergens. Other common diagnoses included ACD, PMLE and CAD. Photopatch testing is an important tool for differentiating these conditions.

7.
Dermatitis ; 2024 Aug 22.
Artigo em Inglês | MEDLINE | ID: mdl-39172635

RESUMO

Background: Mentha piperita (MP; peppermint) oil has many commercial uses. Objective: To characterize the epidemiology of contact allergy to MP oil 2% petrolatum. Methods: Retrospective analysis of North American Contact Dermatitis Group data (2009-2020). Results: Of 28,128 patients tested to MP, 161 (0.6%) had an allergic reaction. Most allergic patients were female (77.0%) and/or over 40 years of age (71.4%). The most common anatomical sites of dermatitis included face (31.7%; of these, one-third specified lips), hands (17.4%), and scattered/generalized (18.6%). Nearly one-third (30.4%) of reactions were strong (++)/extreme (+++), and 80.1% were considered currently relevant. Common sources included oral hygiene preparations, foods, and lip products. Co-reaction with at least 1 of the other 19 fragrance/plant-related screening test preparations occurred in 82.6% (133/161) of MP-allergic patients, most commonly Cananga odorata oil (42.9%), fragrance mix I (41.0%), hydroperoxides of linalool (35.7%), Compositae mix (35.4%), Jasminum officinale oil (31.9%), Myroxylon pereirae (31.7%), and propolis (28.1%). Co-reaction with at least 1 of the 3 most commonly used fragrance screening allergens (fragrance mix I, fragrance mix II, and/or Myroxylon pereirae) was 59.6%. Conclusions: Twelve-year prevalence of MP allergy was 0.6%. Approximately 40% of cases would have been missed if only fragrance screening allergens were tested.

8.
Nat Cardiovasc Res ; 3(6): 714-733, 2024 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-39215134

RESUMO

Aberrant vascular smooth muscle cell (VSMC) homeostasis and proliferation characterize vascular diseases causing heart attack and stroke. Here we elucidate molecular determinants governing VSMC proliferation by reconstructing gene regulatory networks from single-cell transcriptomics and epigenetic profiling. We detect widespread activation of enhancers at disease-relevant loci in proliferation-predisposed VSMCs. We compared gene regulatory network rewiring between injury-responsive and nonresponsive VSMCs, which suggested shared transcription factors but differing target loci between VSMC states. Through in silico perturbation analysis, we identified and prioritized previously unrecognized regulators of proliferation, including RUNX1 and TIMP1. Moreover, we showed that the pioneer transcription factor RUNX1 increased VSMC responsiveness and that TIMP1 feeds back to promote VSMC proliferation through CD74-mediated STAT3 signaling. Both RUNX1 and the TIMP1-CD74 axis were expressed in human VSMCs, showing low levels in normal arteries and increased expression in disease, suggesting clinical relevance and potential as vascular disease targets.


Assuntos
Proliferação de Células , Redes Reguladoras de Genes , Músculo Liso Vascular , Miócitos de Músculo Liso , Fator de Transcrição STAT3 , Inibidor Tecidual de Metaloproteinase-1 , Músculo Liso Vascular/metabolismo , Músculo Liso Vascular/patologia , Músculo Liso Vascular/citologia , Humanos , Proliferação de Células/genética , Miócitos de Músculo Liso/metabolismo , Miócitos de Músculo Liso/patologia , Inibidor Tecidual de Metaloproteinase-1/metabolismo , Inibidor Tecidual de Metaloproteinase-1/genética , Fator de Transcrição STAT3/metabolismo , Fator de Transcrição STAT3/genética , Transdução de Sinais/genética , Células Cultivadas , Análise de Célula Única , Epigênese Genética , Transcriptoma , Animais , Subunidade alfa 2 de Fator de Ligação ao Core
9.
Genome Res ; 34(7): 1089-1105, 2024 Aug 20.
Artigo em Inglês | MEDLINE | ID: mdl-38951027

RESUMO

Knowledge of locations and activities of cis-regulatory elements (CREs) is needed to decipher basic mechanisms of gene regulation and to understand the impact of genetic variants on complex traits. Previous studies identified candidate CREs (cCREs) using epigenetic features in one species, making comparisons difficult between species. In contrast, we conducted an interspecies study defining epigenetic states and identifying cCREs in blood cell types to generate regulatory maps that are comparable between species, using integrative modeling of eight epigenetic features jointly in human and mouse in our Validated Systematic Integration (VISION) Project. The resulting catalogs of cCREs are useful resources for further studies of gene regulation in blood cells, indicated by high overlap with known functional elements and strong enrichment for human genetic variants associated with blood cell phenotypes. The contribution of each epigenetic state in cCREs to gene regulation, inferred from a multivariate regression, was used to estimate epigenetic state regulatory potential (esRP) scores for each cCRE in each cell type, which were used to categorize dynamic changes in cCREs. Groups of cCREs displaying similar patterns of regulatory activity in human and mouse cell types, obtained by joint clustering on esRP scores, harbor distinctive transcription factor binding motifs that are similar between species. An interspecies comparison of cCREs revealed both conserved and species-specific patterns of epigenetic evolution. Finally, we show that comparisons of the epigenetic landscape between species can reveal elements with similar roles in regulation, even in the absence of genomic sequence alignment.


Assuntos
Epigênese Genética , Epigenoma , Especificidade da Espécie , Animais , Camundongos , Humanos , Células Sanguíneas/metabolismo , Sequências Reguladoras de Ácido Nucleico , Regulação da Expressão Gênica , Epigenômica/métodos
10.
Dermatitis ; 35(5): 467-475, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38888884

RESUMO

Background: Construction workers (CWs) are at risk for occupational contact dermatitis (CD) owing to workplace exposures. Objective: Determine the prevalence of occupational allergic CD and characterize common occupational allergens in CWs referred for patch testing in the United States and Canada. Methods: Retrospective cross-sectional analysis of patients patch tested by the North American Contact Dermatitis Group from 2001 to 2020. Results: Of 47,843 patch-tested patients, 681 (1.4%) were CWs. Compared with non-CWs, CWs were more likely to be male (91.0% vs 30.9%) have occupational skin disease (36.9% vs 11.4%) and have hand involvement (37.2% vs 22.5%) (all P < 0.0001). Of 681 CWs, 60.1% (411) had clinically relevant positive patch test reactions, and nearly 1/3 of CWs (128) had occupationally relevant reactions. Most common occupationally relevant allergens were potassium dichromate 0.25% pet. (30.5%, 39/128), bisphenol A epoxy resin 1% pet. (28.1%, 36/128), carba mix 3% pet. (14.8%, 19/128), cobalt (ii) chloride hexahydrate 1% pet. (14.1%, 18/128), and thiuram mix 1% pet. (14.1%, 18/128). Top sources of occupationally relevant allergens were cement/concrete/mortar (20.4%, 46/225), gloves (15.1%, 34/225), and coatings (paint/lacquer/shellac/varnish/stains) (9.8%, 22/225). Conclusions: Occupational CD in North American CWs is common. In this group, frequently identified etiological sources of occupational allergic CD included metals, epoxy resin, and rubber.


Assuntos
Alérgenos , Indústria da Construção , Dermatite Alérgica de Contato , Dermatite Ocupacional , Testes do Emplastro , Humanos , Dermatite Ocupacional/etiologia , Dermatite Ocupacional/epidemiologia , Dermatite Ocupacional/diagnóstico , Estudos Retrospectivos , Masculino , Estudos Transversais , Feminino , Adulto , Pessoa de Meia-Idade , Dermatite Alérgica de Contato/epidemiologia , Dermatite Alérgica de Contato/etiologia , Dermatite Alérgica de Contato/diagnóstico , Estados Unidos/epidemiologia , Alérgenos/efeitos adversos , Alérgenos/análise , Canadá/epidemiologia , Prevalência , Exposição Ocupacional/efeitos adversos
11.
ACS Meas Sci Au ; 4(3): 294-306, 2024 Jun 19.
Artigo em Inglês | MEDLINE | ID: mdl-38910865

RESUMO

Electrosynthesis traditionally requires dedicated reactor systems and an added electrolyte, although some paired electrosynthesis processes are possible at interdigitated microband electrodes simply immersed in solution and without an intentionally added electrolyte. Here, 1,1'-ferrocenedimethanol oxidation and activated olefin electro-hydrogenation reactions are investigated as model processes at a Pt-Pt interdigitated microband array electrode with 5 µm width and with 5 µm interelectrode gap. Voltammetric responses for electro-hydrogenation are discussed, and product yields are determined in methanol (MeOH) in the presence/absence of an added electrolyte (LiClO4). An isotope effect is observed in CH3OD solvent, leading to olefin monodeuteration linked to a fast EC-type process close to the cathode surface (in the cathode reaction zone) rather than to charge annihilation in the interelectrode zone. A finite element simulation is employed to visualize/discuss reaction zones and to contrast the rate of charge annihilation processes with/without a supporting electrolyte.

12.
Nat Cardiovasc Res ; 3(6): 714-733, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38898928

RESUMO

Aberrant vascular smooth muscle cell (VSMC) homeostasis and proliferation characterize vascular diseases causing heart attack and stroke. Here we elucidate molecular determinants governing VSMC proliferation by reconstructing gene regulatory networks from single-cell transcriptomics and epigenetic profiling. We detect widespread activation of enhancers at disease-relevant loci in proliferation-predisposed VSMCs. We compared gene regulatory network rewiring between injury-responsive and nonresponsive VSMCs, which suggested shared transcription factors but differing target loci between VSMC states. Through in silico perturbation analysis, we identified and prioritized previously unrecognized regulators of proliferation, including RUNX1 and TIMP1. Moreover, we showed that the pioneer transcription factor RUNX1 increased VSMC responsiveness and that TIMP1 feeds back to promote VSMC proliferation through CD74-mediated STAT3 signaling. Both RUNX1 and the TIMP1-CD74 axis were expressed in human VSMCs, showing low levels in normal arteries and increased expression in disease, suggesting clinical relevance and potential as vascular disease targets.

13.
Commun Biol ; 7(1): 629, 2024 May 24.
Artigo em Inglês | MEDLINE | ID: mdl-38789481

RESUMO

Integrin trafficking to and from membrane adhesions is a crucial mechanism that dictates many aspects of a cell's behaviour, including motility, polarisation, and invasion. In endothelial cells (ECs), the intracellular traffic of α5 integrin is regulated by both neuropilin 1 (NRP1) and neuropilin 2 (NRP2), yet the redundancies in function between these co-receptors remain unclear. Moreover, the endocytic complexes that participate in NRP-directed traffic remain poorly annotated. Here we identify an important role for the GTPase-activating protein p120RasGAP in ECs, promoting the recycling of α5 integrin from early endosomes. Mechanistically, p120RasGAP enables transit of endocytosed α5 integrin-NRP1-NRP2 complexes to Rab11+ recycling endosomes, promoting cell polarisation and fibronectin (FN) fibrillogenesis. Silencing of both NRP receptors, or p120RasGAP, resulted in the accumulation of α5 integrin in early endosomes, a loss of α5 integrin from surface adhesions, and attenuated EC polarisation. Endothelial-specific deletion of both NRP1 and NRP2 in the postnatal retina recapitulated our in vitro findings, severely impairing FN fibrillogenesis and polarised sprouting. Our data assign an essential role for p120RasGAP during integrin traffic in ECs and support a hypothesis that NRP receptors co-traffic internalised cargoes. Importantly, we utilise comparative proteomics analyses to isolate a comprehensive map of NRP1-dependent and NRP2-dependent α5 integrin interactions in ECs.


Assuntos
Endossomos , Células Endoteliais , Fibronectinas , Integrina alfa5 , Neuropilina-1 , Neuropilina-2 , Proteômica , Proteína p120 Ativadora de GTPase , Animais , Camundongos , Endossomos/metabolismo , Células Endoteliais/metabolismo , Fibronectinas/metabolismo , Integrina alfa5/metabolismo , Integrina alfa5/genética , Integrinas , Neuropilina-1/metabolismo , Neuropilina-1/genética , Neuropilina-2/metabolismo , Neuropilina-2/genética , Proteína p120 Ativadora de GTPase/metabolismo , Proteína p120 Ativadora de GTPase/genética , Transporte Proteico , Proteômica/métodos
14.
Poult Sci ; 103(7): 103811, 2024 Jul.
Artigo em Inglês | MEDLINE | ID: mdl-38763061

RESUMO

A 35-d study investigated the impact of dietary supplementation with Arginine (Arg) or branched-chain amino acids (BCAA) of broilers receiving low-protein diets whilst infected with mixed Eimeria species. All birds were given the same starter (d0-10) and finisher (d28-35) diets. The 4 grower diets used were a positive control (PC) with adequate protein (18.5%), a low protein diet (NC;16.5% CP), or the NC supplemented with Arg or BCAA. Supplemental AA was added at 50% above the recommended levels. The treatments were in a 4 × 2 factorial arrangement, with 4 diets, with or without Eimeria inoculation on d14. Birds and feed were weighed after inoculation in phases: prepatent (d14-17), acute (d18-21), recovery (d22-28), and compensatory (d29-35). Ileal digesta, jejunum, and breast tissue were collected on d21, 28, and 35. There was no diet × Eimeria inoculation on growth performance at any phase. Infected birds weighed less and consumed less feed (P < 0.05) in all phases. In the prepatent and acute phases, birds on the Arg diets had higher weight gain (P < 0.05) and lower FCR, similar to PC, when compared to NC and BCAA-fed ones. Infection reduced AA digestibility on d21 and 28 (Met and Cys). However, birds that received supplemental AA had higher digestibility (P < 0.05) of their respective supplemented AA on d 21 only. Infected birds had lower (P < 0.05) BO + AT and higher PEPT1 expression on d21. There was a diet × Eimeria interaction (P = 0.004) on gene expression at d28; 4EBP1 genes were significantly downwardly expressed (P < 0.05) in birds fed Arg diet, irrespective of infection. Infected birds exhibited an upward expression (P < 0.05) of Eef2 on d21 and d28 but experienced a downward expression on d35. Supplemental Arg and BCAA had variable effects on growth performance, apparent ileal AA digestibility, and genes of protein synthesis and degradation, but the effect of Arg on promoting weight gain, irrespective of the Eimeria challenge, was more consistent.


Assuntos
Aminoácidos de Cadeia Ramificada , Ração Animal , Arginina , Galinhas , Coccidiose , Suplementos Nutricionais , Digestão , Eimeria , Doenças das Aves Domésticas , Animais , Coccidiose/veterinária , Coccidiose/parasitologia , Eimeria/fisiologia , Arginina/administração & dosagem , Arginina/farmacologia , Doenças das Aves Domésticas/parasitologia , Suplementos Nutricionais/análise , Ração Animal/análise , Aminoácidos de Cadeia Ramificada/administração & dosagem , Digestão/efeitos dos fármacos , Dieta com Restrição de Proteínas/veterinária , Masculino , Dieta/veterinária , Fenômenos Fisiológicos da Nutrição Animal/efeitos dos fármacos , Distribuição Aleatória
15.
BMJ ; 385: q1067, 2024 05 10.
Artigo em Inglês | MEDLINE | ID: mdl-38729639
16.
Contact Dermatitis ; 91(2): 91-103, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38812248

RESUMO

Patch testing is the only clinically applicable diagnostic method for Type IV allergy. The availability of Type IV patch test (PT) allergens in Europe, however, is currently scarce. This severely compromises adequate diagnostics of contact allergy, leading to serious consequences for the affected patients. Against this background, the European Society of Contact Dermatitis (ESCD) has created a task force (TF) (i) to explore the current availability of PT substances in different member states, (ii) to highlight some of the unique characteristics of Type IV vs. other allergens and (iii) to suggest ways forward to promote and ensure availability of high-quality patch testing substances for the diagnosis of Type IV allergies throughout Europe. The suggestions of the TF on how to improve the availability of PT allergens are supported by the ESCD, the European Academy of Allergy and Clinical Immunology, and the European Academy of Dermatology and Venereology and intend to provide potential means to resolve the present medical crisis.


Assuntos
Alérgenos , Dermatite Alérgica de Contato , Dermatite Ocupacional , Testes do Emplastro , Humanos , Testes do Emplastro/métodos , Europa (Continente) , Dermatite Alérgica de Contato/diagnóstico , Dermatite Alérgica de Contato/etiologia , Alérgenos/efeitos adversos , Dermatite Ocupacional/diagnóstico , Dermatite Ocupacional/etiologia , Sociedades Médicas , Comitês Consultivos
17.
J Dairy Sci ; 107(9): 6945-6970, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-38788837

RESUMO

An economic simulation was carried out over 183 milk-producing countries to estimate the global economic impacts of 12 dairy cattle diseases and health conditions: mastitis (subclinical and clinical), lameness, paratuberculosis (Johne's disease), displaced abomasum, dystocia, metritis, milk fever, ovarian cysts, retained placenta, and ketosis (subclinical and clinical). Estimates of disease impacts on milk yield, fertility, and culling were collected from the literature, standardized, meta-analyzed using a variety of methods ranging from simple averaging to random-effects models, and adjusted for comorbidities to prevent overestimation. These comorbidity-adjusted disease impacts were then combined with a set of country-level estimates for lactational incidence or prevalence or both, herd characteristics, and price estimates within a series of Monte Carlo simulations that estimated and valued the economic losses due to these diseases. It was estimated that total annual global losses are US$65 billion (B). Subclinical ketosis, clinical mastitis, and subclinical mastitis were the costliest diseases modeled, resulting in mean annual global losses of approximately US$18B, US$13B, and US$9B, respectively. Estimated global annual losses due to clinical ketosis, displaced abomasum, dystocia, lameness, metritis, milk fever, ovarian cysts, paratuberculosis, and retained placenta were estimated to be US$0.2B, US$0.6B, US$0.6B, US$6B, US$5B, US$0.6B, US$4B, US$4B, and US$3B, respectively. Without adjustment for comorbidities, when statistical associations between diseases were disregarded, mean aggregate global losses would have been overestimated by 45%. Although annual losses were greatest in India (US$12B), the United States (US$8B), and China (US$5B), depending on the measure of losses used (losses as a percentage of gross domestic product, losses per capita, losses as a percentage of gross milk revenue), the relative economic burden of these dairy cattle diseases across countries varied markedly.


Assuntos
Doenças dos Bovinos , Indústria de Laticínios , Mastite Bovina , Bovinos , Animais , Doenças dos Bovinos/economia , Doenças dos Bovinos/epidemiologia , Feminino , Indústria de Laticínios/economia , Mastite Bovina/economia , Mastite Bovina/epidemiologia , Leite/economia , Lactação , Comorbidade , Cetose/veterinária , Cetose/economia , Gravidez
18.
Plants (Basel) ; 13(9)2024 Apr 30.
Artigo em Inglês | MEDLINE | ID: mdl-38732455

RESUMO

Soil-borne Trichoderma spp. have been extensively studied for their biocontrol activities against pathogens and growth promotion ability in plants. However, the beneficial effect of Trichoderma on inducing resistance against insect herbivores has been underexplored. Among diverse Trichoderma species, consistent with previous reports, we showed that root colonization by T. virens triggered induced systemic resistance (ISR) to the leaf-infecting hemibiotrophic fungal pathogens Colletotrichum graminicola. Whether T. virens induces ISR to insect pests has not been tested before. In this study, we investigated whether T. virens affects jasmonic acid (JA) biosynthesis and defense against fall armyworm (FAW) and western corn rootworm (WCR). Unexpectedly, the results showed that T. virens colonization of maize seedlings grown in autoclaved soil suppressed wound-induced production of JA, resulting in reduced resistance to FAW. Similarly, the bacterial endophyte Pseudomonas chlororaphis 30-84 was found to suppress systemic resistance to FAW due to reduced JA. Further comparative analyses of the systemic effects of these endophytes when applied in sterile or non-sterile field soil showed that both T. virens and P. chlororaphis 30-84 triggered ISR against C. graminicola in both soil conditions, but only suppressed JA production and resistance to FAW in sterile soil, while no significant impact was observed when applied in non-sterile soil. In contrast to the effect on FAW defense, T. virens colonization of maize roots suppressed WCR larvae survival and weight gain. This is the first report suggesting the potential role of T. virens as a biocontrol agent against WCR.

20.
Curr Pharm Teach Learn ; 16(6): 465-468, 2024 06.
Artigo em Inglês | MEDLINE | ID: mdl-38582641

RESUMO

BACKGROUND AND PURPOSE: To describe one institution's approach to transformation of high-stakes objective structure clinical examinations (OSCEs) from norm-referenced to criterion-referenced standards setting and to evaluate the impact of these changes on OSCE performance and pass rates. EDUCATIONAL ACTIVITY AND SETTING: The OSCE writing team at the college selected a modified Angoff method appropriate for high-stakes assessments to replace the two standard deviation method previously used. Each member of the OSCE writing team independently reviewed the analytical checklist and calculated a passing score for active stations on OSCEs. Then the group met to determine a final pass score for each station. The team also determined critical cut points for each station, when indicated. After administration of the OSCEs, scores, pass rates, and need for remediation were compared to the previous norm-referenced method. Descriptive statistics were used to summarize the data. FINDINGS: OSCE scores remained relatively unchanged when switched to a criterion-referenced method, but the number of remediators increased up to 2.6 fold. In the first year, the average score increased from 86.8% to 91.7% while the remediation rate increased from 2.8% to 7.4%. In the third year, the average increased from 90.9% to 92% while the remediation rate increased from 6% to 15.6%. Likewise, the fourth-year average increased from 84.9% to 87.5% while the remediation rate increased from 4.4% to 9%. SUMMARY: Transition to a modified Angoff method did not impact average OSCE score but did increase the number of remediations.


Assuntos
Avaliação Educacional , Humanos , Avaliação Educacional/métodos , Avaliação Educacional/estatística & dados numéricos , Avaliação Educacional/normas , Competência Clínica/normas , Competência Clínica/estatística & dados numéricos , Educação em Farmácia/métodos , Educação em Farmácia/normas , Educação em Farmácia/estatística & dados numéricos
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