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Vitamin E

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ISBN: 9783038429050 9783038429067 Year: Pages: VIII, 150 Language: English
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Added to DOAB on : 2018-05-22 09:52:09
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Abstract

Vitamin E is the major lipid-soluble antioxidant in the cell antioxidant system and is exclusively obtained from the diet. In 1922, vitamin E was discovered as a dietary factor essential for reproduction in rats. Meanwhile, vitamin E has revealed many more important molecular properties, such as the scavenging of reactive oxygen and nitrogen species with consequent prevention of the oxidative damage associated with many diseases. In addition, the modulation of signal transduction and gene expression in antioxidant and non-antioxidant manners was shown for vitamin E.This Special Issue highlights some of the recent advances in vitamin E research, showing on the one hand the status quo and providing, on the other hand, new insights into functions and physiological relevance. Thus, the current knowledge of tocochromanol biosynthesis in plants and future challenges regarding the understanding of its regulation are presented. Another paper describes the fate of vitamin E in the human gastrointestinal lumen during digestion. During the metabolism of vitamin E, the long-chain metabolites 13’-hydroxychromanol and 13’-carboxychromanol are formed by oxidative modification of the side-chain. Their occurrence in human serum indicates a physiological relevance. Another paper describes the membrane distribution of α-tocopherol in brain regions of adult rhesus monkeys, also looking for associations between membrane α-tocopherol and the content of polyunsaturated fatty acids.

Adipokines 2.0

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ISBN: 9783039285860 / 9783039285877 Year: Pages: 406 DOI: 10.3390/books978-3-03928-587-7 Language: eng
Publisher: MDPI - Multidisciplinary Digital Publishing Institute
Subject: Medicine (General) --- Therapeutics
Added to DOAB on : 2020-06-09 16:38:57
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Once viewed solely as fat storage cells, adipocytes and their adipokines have now been proven to be central for human health. Understanding that overweight and obesity may increase the risk for various diseases requires detailed characterization of adipokine function. Weight gain, weight regain, and fasting affect adipocyte health and accordingly their secretome. Different adipose tissue deposits exist and they vary in cellular composition and function. The evidence is strong of a role of adipokines in cancer, reproductive function, neurological diseases, cardiovascular diseases ,and rheumatoid arthritis. Adipokines are considered useful biomarkers for adipose tissue and metabolic health, and may be used as diagnostic tools in rheumatoid arthritis, cancer, or sepsis. This book contains 10 original articles and 9 review articles focusing on these bioactive peptides. Several articles deal with chemerin, an adipokine discovered more than 20 years ago. Data so far have resulted in promising insights related to its biological function. We are only beginning to understand the multiple roles of chemerin, the mechanisms regulating its activity, and the signaling pathways used by this chemokine. Adipokine receptor agonists and antagonists may result in the formulation of novel drugs and ultimately may lead to new therapeutic targets to be used in clinical practice.

Keywords

adipokines --- secreted frizzled-related protein 5 --- leptin --- ghrelin --- excessive gestational weight gain --- neonatal anthropometry --- obesity --- proteolysis --- Tango bioassay --- biologic activity --- chemerin receptors --- excessive gestational weight gain --- neonatal anthropometry --- leptin --- ghrelin --- Nonalcoholic fatty liver disease --- fatty liver --- free fatty acids --- label-free proteomic profiling --- adipokine --- obesity --- visceral fat --- sick fat --- annexins --- adipose tissue --- adiponectin --- cholesterol --- glucose homeostasis --- inflammation --- insulin --- lipid metabolism --- obesity --- triglycerides --- adipokine --- chemerin --- leukocyte --- cancer --- adipokines --- PCOS --- polycystic ovary morphology --- follicular fluid --- human granulosa cells --- chemerin --- chemerin receptors --- hypothalamus --- oestrous cycle --- early pregnancy --- pig --- alpha-fetoprotein --- liver steatosis --- hypertension --- adipokines --- SGBS adipocytes --- glucose restriction --- in vitro fat regain --- weight regain --- complement factors --- cathepsins --- extracellular remodeling --- adipokine --- rheumatic diseases --- inflammation --- osteoarthritis --- rheumatoid arthritis --- ovary --- testis --- adipose tissue --- polycystic ovary syndrome --- preeclempsia --- gestational diabetes --- testicular pathologies --- rheumatoid arthritis --- tocilizumab --- lipids --- adipokines --- adiponectin --- resistin --- leptin --- cancer --- obesity --- adipokine --- chemerin --- chemokine-like receptor 1 --- G protein-coupled receptor 1 --- C-C chemokine receptor-like 2 --- critical illness --- sepsis --- adipokines --- biomarker --- prognosis --- ICU --- adipokine --- adipose-brain axis --- brain health --- neurodegeneration --- depression --- energy metabolism --- inflammation --- hypothalamus --- microglia --- adiponectin --- adipokine --- myokine --- fitness --- metabolically healthy obese --- early-life programming --- epicardial adipose tissue (EAT) --- prostaglandin E2 (PGE2) --- EP3 receptor --- EP4 receptor --- exchange protein directly activated by cAMP isoform 2 (EPAC2) --- stimulating growth factor 2 (ST2) --- interleukin(IL)-33 --- Cardiovascular Diseases (CVDs) --- fat mass --- n/a

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