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Photosynthetic Gas Exchange and Nitrogen Assimilation in Green Bean Plants Supplied with Two Sources of Silicon

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Phyton-International Journal of Experimental Botany 2024年第5期93卷 963-980页

作者： Julio C.Anchondo-Páez Esteban Sánchez Carlos A.Ramírez-Estrada Alondra Salcido-Martínez Erick H.Ochoa-Chaparro department of Plant physiology Centro de Investigación en Alimentación y DesarrolloCiudad Delicias33089México

Beans contain a wide range of vitamins,proteins,calcium,and zinc which make them an important food source for many *** meet the demand for bean production worldwide,large amounts of fertilizers and pesticides are ***,the cost of production and environmental impact *** produce food sustainably,the use of beneficial nutrients such as silicon as a biostimulant has been ***,information about the effect of different sources of silicon on the metabolism of bean plants is *** plants *** were grown in pots for 60 days and the effect of foliar application of silicon nanoparticles and the silicon-based biostimulant Codasilat 4 concentrations(0,1,2,and 4 mM)on total biomass,yield,photosynthetic pigment concentration,photosynthetic activity,stomatal conductance,transpiration rate,chlorophyll fluorescence,and nitrogen assimilation were *** results obtained showed that the supply of silicon at a dose of 1 mM functioned as a biostimulant,favoring gas exchange and nitrogen assimilation within the plant,which stimulated growth and *** results of this research work allowed a better comprehension of the effects of silicon application through silicon nanoparticles and the biostimulant Codasilon the physiology of green bean plants.

关键词： Nanoparticles silicon Phaseolus vulgaris L.

Does MgSO_(4) protect the preterm brain?Dissecting its role in the pathophysiology of hypoxic ischemic encephalopathy

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Neural Regeneration Research 2024年第9期19卷 1861-1862页

作者： Robert Galinsky Laura Bennet Alistair J.Gunn The Ritchie Centre Hudson Institute of Medical ResearchMelbourneVICAustralia department of Obstetrics and Gynaecology Monash UniversityMelbourneVICAustralia department of physiology The University of AucklandAucklandNew Zealand

Mitigating preterm encephalopathy continues to be one of the greatest challenges in perinatal *** encephalopathy is associated with high mortality,serious morbidity,and significant socio-economic impacts on the individuals,their families,and public health sectors and welfare systems that last a *** cost of disability associated with preterm brain injury continues to *** of this injury,and disability,would significantly reduce this socioeconomic burden.

关键词： encephalopathy mortality hypoxic

Unraveling the potential of acute intermittent hypoxia as a strategy for inducing robust repair in multiple sclerosis

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Neural Regeneration Research 2024年第11期19卷 2339-2340页

作者： Valerie M.K.Verge Nataliya Tokarska Justin M.Naniong department of Anatomy Physiology and PharmacologyUniversity of SaskatchewanSaskatoonSKCanada Cameco MS Neuroscience Research Center University of SaskatchewanSaskatoonSKCanada

Multiple sclerosis(MS)is a debilitating inflammatory disease of the central nervous system characterized by immune-mediated segmental demyelination and variable degrees of axonal and neuronal degeneration that contribute to *** efficient and effective repair programs following demyelination is a major goal and challenge in *** MS therapies focus largely on modulating the immune aspects of the disease contributing to *** this alleviates some symptoms and mitigates damage,it does not tackle the fundamental challenge of effective remyelination,which few MS patients experience,especially in the progressive phase of the disease.

关键词： sclerosis degeneration damage

Boron-containing compounds as labels,drugs,and theranostic agents for diabetes and its complications

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World Journal of Diabetes 2024年第6期15卷 1060-1069页

作者： Marvin A Soriano-Ursúa R Ivan Cordova-Chávez Eunice D Farfan-García George Kabalka department of physiology Escuela Superior de MedicinaInstituto Politécnico NacionalCiudad de México 11340Mexico department of physiology Instituto Politécnico NacionalMexico City 11340Mexico department of Biochemistry Instituto Politécnico NacionalMexico City 11340Mexico department of Chemistry The University of TennesseeKnoxvilleTN 37996United States

Diabetes is a disease with a high global *** strategies have failed to limit the advancement and impact of the *** early diagnosis and treatment will require the development of new *** this sense,boroncontaining compounds have been reported as agents with the ability to reduce glycemia and *** have also been used for labeling and measuring carbohydrates and other molecules linked to the initial stages of diabetes and its *** addition,certain boron compounds bind to molecules related to diabetes development and their biological activity in the regulation of elevated ***,it should be noted that some boron compounds appear to exert beneficial effects on diabetes complications such as accelerating wound healing while ameliorating pain in diabetic patients.

关键词： Boron Carbohydrates Metabolism Diabetes Boronodipyrromethene

Measurement,associations,patterns,and promotion:Unveiling vital areas in physical activity epidemiology

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Journal of Sport and Health Science 2024年第5期13卷 605-607页

作者： Kara M.Whitaker Guest editor Michael J.LaMonte department of Health&Human physiology University of IowaIowa CityIA 52242USA department of Epidemiology and Environmental Health University of BuffaloBuffaloNY 14214 USA

Physical activity(PA)epidemiology first emerged as a new field of study around the 1950s with publication of seminal investigations on London civil servants1 and has continued to evolve as a scientific discipline to present *** subdiscipline of epidemiology studies the frequencies,distributions,and dynamics of PA and its impact on human health,morbidity,and *** over the past 75 years has demonstrated numerous health benefits of *** on these research findings,the World Health Organization recommends adults aged 18-64 years engage in at least 150-300 min of moderate-intensity aerobic PA per week,or at least 75-150 min of vigorous-intensity aerobic PA per week,or a combination of both intensities.

关键词： epidemiology promotion continued

Circulating levels of advanced glycation end products in females with polycystic ovary syndrome:a meta-analysis

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Reproductive and Developmental Medicine 2024年第2期8卷 93-100页

作者： Seyed Sobhan Bahreiny Akram Ahangarpour Mojtaba Aghaei Student Research Committee Ahvaz Jundishapur University of Medical SciencesAhvazIran Medical Basic Sciences Research Institute Physiology Research CenterDepartment of PhysiologySchool of MedicineAhvaz Jundishapur University of Medical SciencesAhvazIran

Polycystic ovary syndrome(PCOS)is a common endocrine disorder characterized by a hormonal imbalance that affects females of reproductive *** association between advanced glycation end products(AGEs)and PCOS has attracted considerable attention in recent years,highlighting the potential of AGEs as biomarkers for this *** the present systematic review and meta-analysis,we aimed to examine the association between AGEs and PCOS,evaluate their potential as biomarkers,and improve our understanding of the pathophysiology of PCOS and its associated metabolic complications.A literature search was performed using various databases from January 2000 to March 2023 to identify relevant studies investigating the association between AGEs and *** effect estimates were calculated using standardized mean differences(SMD)with 95%confidence intervals(CIs).Sub-group and meta-regression analyses were performed to examine potential sources of *** meta-analysis included six studies with a total of 623 *** results revealed a significant increase in circulating AGE levels in females with PCOS compared to healthy females(SMD=2.35;95%CI:1.10-3.60;P<0.001).Significant heterogeneity was observed between the studies(I2=96.37%;P<0.001),indicating the presence of several factors influencing the ***-group analyses based on body mass index,age,and homeostatic model assessment for insulin resistance indicated differential effects of AGEs on specific *** systematic review and meta-analysis support the association between elevated AGE levels and PCOS,thereby suggesting the potential role of AGEs as biomarkers in PCOS.

关键词： Polycystic ovary syndrome PCOS Advanced glycation end products AGEs Biomarker Meta-analysis

Use of an immunocapture device to detect cytokine release in discrete brain regions

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Neural Regeneration Research 2024年第4期19卷 703-704页

作者： Matthew G.Frank Michael V.Baratta department of Integrative physiology University of Colorado BoulderBoulderCOUSA(Frank MG)Department of Psychology and NeuroscienceUniversity of Colorado BoulderBoulderCOUSA(Baratta MV)

Production of proinflammatory cytokines in the central nervous system is a key process in the neuroinflammatory response to trauma,infection,and neurodegenerative diseases(Kumar,2019).These intercellular signaling molecules play multiple roles in the immune response in the central nervous system including the orchestration of the sickness response to innate immune perturbations in the brain(Dantzer et al.,2008).

关键词： system release innate

Attenuated retinoic acid signaling is among the early responses in mouse uterus approaching embryo attachment

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生殖与发育医学(英文) 2024年第1期08卷 61-65页

作者： Diao Honglu Xiao Shuo Zhou Tong Martin Taylor E. Watford Wendy T. Ye Xiaoqin department of Infectious Diseases department of physiology and Pharmacology College of Veterinary Medicine 3. University of Georgia 4. Athens 5. GA 30602 6. USA department of physiology and Cell Biology University of Nevada 9. Reno School of Medicine 10. Reno 11. NV 89557

The uterus is transiently receptive for embryo implantation. It remains to be understood why the uterus does not reject a semi-allogeneic embryo (to the biological mother) or an allogeneic embryo (to a surrogate) for implantation. To gain insights, we examined uterine early response genes approaching embryo attachment on day 3 post coitum (D3) at 22 hours when blue dye reaction, an indication of embryo attachment, had not manifested in mice. C57BL/6 pseudo-pregnant (control) and pregnant mouse uteri were collected on D3 at 22 hours for microarray analysis. The self-assembling-manifold (SAM) algorithm identified 21,858 unique probesets. Principal component analysis indicated a clear separation between the pseudo-pregnant and pregnant groups. There were 106 upregulated and five downregulated protein-coding genes in the pregnant uterus with fold change (fc) >1.5 andq value <5%. Gene ontology (GO) analysis of the 106 upregulated genes revealed 38 significant GO biological process (GOBP) terms (P <0.05), and 32 (84%) of them were associated with immune responses, with a dominant natural killer (NK) cell activation signature. Among the top eight upregulated protein-coding genes,Cyp26a1 inactivates retinoic acid (RA) whileLrat promotes vitamin A storage, both of which are expected to attenuate RA bioavailability;Atp6v0d2 andGjb2 play roles in ion transport and transmembrane transport;Gzmb,Gzmc, andIl2rb are involved in immune responses; andTdo2 is important for kynurenine pathway. Most of these genes or their related pathways have functions in immune regulations. RA signaling has been implicated in immune tolerance and immune homeostasis, and uterine NK cells have been implicated in immunotolerance at the maternal-fetal interface in the placenta. The mechanisms of immune responses approaching embryo attachment remain to be elucidated. The coordinated effects of the early response genes may hold the keys to the question of why the uterus does not reject an implanting embryo

关键词： Embryo attachment Pseudo-pregnant uterus Pregnant uterus Natural killer cell activation signature Retinoic acid bioavailability Transmembrane transport and ion transport

WTV2.0:A high-coverage plant volatilomics method with a comprehensive selective ion monitoring acquisition mode

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Molecular Plant 2024年第6期17卷 972-985页

作者： Honglun Yuan Yiding Jiangfang Zhenhuan Liu Rongxiu Su Qiao Li Chuanying Fang Sishu Huang Xianqing Liu Alisdair R.Fernie Jie Luo School of Breeding and Multiplication(Sanya Institute of Breeding and Multiplication)and College of Tropical Agriculture and Forestry Hainan UniversitySanya Hainan 572025China Yazhouwan National Laboratory(YNL) Sanya Hainan 572025China department of Molecular physiology Max-Planck-Institute of Molecular Plant PhysiologyAm Mühlenberg 1Potsdam-Golm 14476Germany

Volatilomics is essential for understanding the biological functions and fragrance contributions of plant ***,the annotation coverage achieved using current untargeted and widely targeted volatomics(WTV)methods has been limited by low sensitivity and/or low acquisition ***,we introduce WTV 2.0,which enabled the construction of a high-coverage library containing 2111 plant volatiles,and report the development of a comprehensive selective ion monitoring(cSIM)acquisition method,including the selection of characteristic qualitative ions with the minimal ion number for each compound and an optimized segmentation method,that can acquire the smallest but sufficient number of ions for most plant volatiles,as well as the automatic qualitative and semi-quantitative analysis of cSIM ***,the library and acquisition method we developed can be self-expanded by incorporating compounds not present in the library,utilizing the obtained cSIM *** showed that WTV 2.0 increases the median signal-to-noise ratio by 7.6-fold compared with the untargeted method,doubled the annotation coverage compared with the untargeted and WTV 1.0 methods in tomato fruit,and led to the discovery of menthofuran as a novel flavor compound in passion *** 2.0 is a Python library with a user-friendly interface and is applicable to profiling of volatiles and primary metabolites in any species.

关键词： volatilomics widely targeted methods GC-MS selective ion monitoring plant volatiles