Results 51 to 60 of about 15,890 (276)
Advanced Science, EarlyView.IGFBP4 is upregulated in granulosa cells of aged ovaries across monkeys, mice, and humans. It inhibits YAP signaling, thereby suppressing cell proliferation and contributing to follicular dysfunction. Deletion of Igfbp4 in granulosa cells enhances ovulatory output, improves hormone profiles, and reproductive performance in aged female mice, suggesting ...
Qianhui Hu +8 more
wiley +1 more source
Separation and Identification of Folate Coenzymes on DEAE-Sephadex
, 1971 The separation of naturally occurring folates is achieved by column chromatography on DEAE-cellulose (diethylaminoethyl-C) and on TEAE-cellulose (triethylaminoethyl-C), and the separated fractions are quantitated and identified by microbiological assay ...
Bertino, J. R. +3 more
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Testing the content of vitamin A in dietary supplements
Journal of Education, Health and Sport, 2019 Vitamins in the human body perform regulatory functions, determine the development, health and physical performance of the body. Most of them are not synthesised in the body, therefore they must be supplied with food. They interact with enzymes, which is
Marcin Ślifirczyk +3 more
doaj +3 more sources
Advanced Science, EarlyView.Glaucoma, a major cause of blindness, involves retinal ganglion cell (RGC) degeneration. This study shows growth hormone‐releasing hormone receptor (GHRHR) deficiency preserves RGC survival and restores vision, unlike activation which only aids survival.
Yan Tong +24 more
wiley +1 more source
Electrochemical synthesis of coenzymes Qn by oxidation of tetramethoxy precursors
, 2009 The electrochemical oxidation of tetramethoxy precursors (2) to coenzymes Q (n) (1) at a carbon anode was investigated both in a bench-scale batch electrochemical reactor and in a continuous recirculation reaction system equipped with a parallel-plate ...
GALIA, Alessandro +3 more
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B Vitamins and Their Roles in Gut Health
Microorganisms, 2022 B vitamins act as coenzymes in a myriad of cellular reactions. These include energy production, methyl donor generation, neurotransmitter synthesis, and immune functions.
Khandkar Shaharina Hossain +2 more
doaj +1 more source
Advanced Science, EarlyView.A vascularized liver‐on‐a‐microsphere system is developed to recreate lobule‐like cellular organization and endothelial barrier function within compartmentalized hydrogel particles. The platform enhances hepatic performance and reveals alanine‐glucose cycle activation linked to improved detoxification capacity, offering a high‐throughput microscale ...
Jingyang Li +9 more
wiley +1 more source
, 2003 The nicotinamide coenzymes consumed in alcohol dehydrogenase catalyzed enantioselective reduction of ketones are expensive and thus require recycling.
Wagenknecht, Paul S. +2 more
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Advanced Science, EarlyView.Lipoic acid synthase (lias) can regulate α‐KG levels through lipoylation, thereby negatively regulating HIF‐1α protein levels via PHD under hypoixa. The Hap2 allele of lias exhibits lower expression levels than Hap1, leading to the accumulation of more HIF‐1α protein and thereby enhancing hypoxia tolerance. ABSTRACT Hypoxia stress seriously affects the
Jie Ding +7 more
wiley +1 more source
Self-Incorporation of Coenzymes by Ribozymes [PDF]
, 1995 RNA molecules that are assembled from the four standard nucleotides contain a limited number of chemical functional groups, a characteristic that is generally thought to restrict the potential for catalysis by ribozymes.
Joyce, Gerald F., Breaker, Ronald R.
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