Regulation of Hepatic Metabolism PDF Download
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Author: Frank Lundquist
Publisher:
ISBN:
Category : Biochemistry
Languages : en
Pages : 858
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Book Description
Author: Frank Lundquist
Publisher:
ISBN:
Category : Biochemistry
Languages : en
Pages : 858
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Book Description
Author: K. Jungermann
Publisher: Springer Science & Business Media
ISBN: 1468450417
Category : Medical
Languages : en
Pages : 495
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Book Description
The liver is an exceptionally complex and diverse organ that functions both as an exocrine and an endocrine gland. It secretes bile, which contains many con stituents in addition to bile salts, and it synthesizes and releases many substances in response to the body's demands, including prohormones, albumin, clotting factors, glucose, fatty acids, and various lipoproteins. It has a dual blood supply providing a rich mixture of nutrients and other absorbed substances via the portal vein and oxygen-rich blood via the hepatic artery. This functional heterogeneity is accompanied by cellular heterogeneity. The liver contains many cell types including hepatic parachymal cells, Kiipffer cells, Ito cells, and endothelial cells. The most abundant cell type, the parenchymal cells, are biochemically and structurally heterogeneous. The cells in the oxygen-rich areas of the portal triad appear more dependent on oxidative metabolism, whereas those around the central vein (pericentral, perivenous, or centrolobular areas) are more dependent upon an anaerobic mechanism. Throughout this volume the latter three terms are used synonymously by various authors to indicate the five to eight layers of cells radiating from the central vein. Structural and metabolic heterogeneity of hepatic parenchymal cells has been demonstrated by a variety of approaches, including histochemical, ultra structural, and ultramicrobiochemical studies. This microheterogeneity is linked to the physiological functions of the liver and its response to injurious substances.
Author: Raymond S. Ochs
Publisher:
ISBN:
Category : Glucose
Languages : en
Pages : 236
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Book Description
Author:
Publisher:
ISBN: 9780124603608
Category : Liver
Languages : en
Pages : 828
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Book Description
Author: Frank Lundquist
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: James M. Ntambi
Publisher: Springer
ISBN: 3319250655
Category : Science
Languages : en
Pages : 309
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Book Description
The liver is the largest solid vital organ in mammals that supports other organ in the body in some facet. This book synthesizes all the primary and relevant metabolic information that one needs to review to understand the complex and diverse role of the liver in metabolism. With the current epidemic of metabolic diseases, it is of immediate importance to understand the contribution of the liver in health and its role in the development of impaired metabolic regulation. This book covers the many studies that have unmasked important roles that proteins expressed in the liver play in the development of or protection from metabolic diseases. One of the major metabolic functions of the liver is to carry out de novo lipogenesis, which is the metabolic pathway that allows the conversion of excess carbohydrates into fatty acids. The process of de novo lipogenesis is covered in depth within this volume. The book is an important contribution to the vast literature and ongoing research on liver function.
![Regulation of Hepatic Metabolism Through PGC-1 [alpha]-mediated Pathways PDF](https://books.google.com/books/content/images/frontcover/jShzXwAACAAJ?fife=w80-h100)
Author: Linda Grasfeder
Publisher:
ISBN:
Category : Genetic transcription
Languages : en
Pages : 418
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Book Description
PGC-1alpha is a transcriptional coactivator selectively expressed in tissues with high metabolic demands and induced by a variety of metabolic stressors, including cold, exercise, and fasting. When expressed, PGC-1alpha can coactivate a number of transcription factors to coordinately activate metabolic pathways that supply tissues and the body with necessary nutrients. PGC-1alpha has emerged as a master controller of mitochondria and many of the processes focused within them, including oxidative phosphorylation, fatty acid oxidation, the TCA cycle and free radical scavenging. PGC-1alpha also induces gluconeogenesis and expression of glucose transporters, thereby regulating blood glucose levels. Given this integral role in modulating energy homeostasis, understanding how PGC-1alpha functions and what factors regulate its activity could help identify processes and proteins that malfunction in various metabolic disorders.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Author: Keith N. Frayn
Publisher: John Wiley & Sons
ISBN: 1119331447
Category : Medical
Languages : en
Pages : 395
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Book Description
The updated bestselling guide to human metabolism and metabolic regulation The revised and comprehensively updated new edition of Human Metabolism (formerly Metabolic Regulation – A Human Perspective) offers a current and integrated review of metabolism and metabolic regulation. The authors explain difficult concepts in clear and concise terms in order to provide an accessible and essential guide to the topic. This comprehensive text covers a wide range of topics such as energy balance, body weight regulation, exercise, and how the body copes with extreme situations, and illustrates how metabolic regulation allows the human body to adapt to many different conditions. This fourth edition has been revised with a new full colour text design and helpful illustrations that illuminate the regulatory mechanisms by which all cells control the metabolic processes necessary for life. The text includes chapter summaries and additional explanatory text that help to clarify the information presented. In addition, the newly revised edition includes more content on metabolic pathways and metabolic diseases. This important resource: Is a valuable tool for scientists, practitioners and students across a broad range of health sciences including medicine, biochemistry, nutrition, dietetics, sports science and nursing Includes a full colour text filled with illustrations and additional diagrams to aid understanding Offers a companion website with additional learning and teaching resources. Written for students of medicine, biochemistry, nutrition, dietetics, sports science and nursing, Human Metabolism has been revised and updated to provide a comprehensive review of metabolism and metabolic regulation.
Author: Peter Quinn
Publisher: Springer Science & Business Media
ISBN: 1402088310
Category : Medical
Languages : en
Pages : 603
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Book Description
Lipids are functionally versatile molecules. They have evolved from relatively simple hydrocarbons that serve as depot storages of metabolites and barriers to the permeation of solutes into complex compounds that perform a variety of signalling functions in higher organisms. This volume is devoted to the polar lipids and their constituents. We have omitted the neutral lipids like fats and oils because their function is generally to act as deposits of metabolizable substrates. The sterols are also outside the scope of the present volume and the reader is referred to volume 28 of this series which is the subject of cholesterol. The polar lipids are comprised of fatty acids attached to either glycerol or sphingosine. The fatty acids themselves constitute an important reservoir of substrates for conversion into families of signalling and modulating molecules including the eicosanoids amongst which are the prostaglandins, thromboxanes and leucotrienes. The way fatty acid metabolism is regulated in the liver and how fatty acids are desaturated are subjects considered in the first part of this volume. This section also deals with the modulation of protein function and inflammation by unsaturated fatty acids and their derivatives. New insights into the role of fatty acid synthesis and eicosenoid function in tumour progression and metastasis are presented.
