The Identities Of Membrane Steroid Receptors PDF Download
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Author | : Cheryl S. Watson |
Publisher | : Springer Science & Business Media |
Total Pages | : 220 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 1461503396 |
Download The Identities of Membrane Steroid Receptors Book in PDF, ePub and Kindle
Cheryl S. Watson University o/Texas Medical Branch Cellular steroid action has been thoroughly studied in the nuclear compartment. However, nuclear steroid receptor mechanisms have been unable to explain some of the rapid activities of steroids, partiCUlarly those which occur in a time frame of seconds to minutes [reviewed in (1;2)]. Based on these and other considerations, an alternative membrane-associated receptor form was long ago proposed to exist (3). Others interpret the location of the steroid receptors mediating these rapid effects as peri membrane or cytoplasmic. New experimental tools have been brought to bear on the topic of receptors for steroids which mediate non-genomic actions, and thus investigative activity and focus regarding this type of steroid receptor has recently increased significantly. However, there may be multiple answers to the question "how do steroids mediate rapid nongenomic effects?" Steroid actions initiated at the cell membrane can impinge on important phases in the lifespan of a cell: proliferation, migration, differentiation, and release of hormones or neurotransmitters functioning as signals to other cells.
Author | : Cheryl S Watson |
Publisher | : |
Total Pages | : 224 |
Release | : 2003-02-01 |
Genre | : |
ISBN | : 9781461503408 |
Download The Identities of Membrane Steroid Receptors Book in PDF, ePub and Kindle
Author | : Simon J. Evans |
Publisher | : |
Total Pages | : 274 |
Release | : 1999 |
Genre | : Cell receptors |
ISBN | : |
Download Membrane Receptors for Steroid Hormones Book in PDF, ePub and Kindle
In addition to the well-characterized genomic mechanism of steroid action that uses intracellular receptors, steroid hormones also signal through nongenomic processes that use membrane receptors. A membrane receptor for corticosterone (CORT) has been described in brains of the roughskin newt (Taricha granulosa). This receptor is believed to be a G-protein coupled receptor because corticosterone binding is inhibited by guanyl nucleotides and enhanced by Mg2. The studies described in this thesis use biochemical, pharmacological and molecular techniques to characterize the newt neuronal membrane glucocorticoid receptor (mGR) in pursuit of its molecular identification. The mGR was successfully solubilized from newt neuronal membranes and conditions were defined that maintained corticosterone binding activity for further study. The solubilized receptor was partially purified using standard chromatographic techniques and an immobilized ligand affinity resin (CORT-Sepharose). These chromatographic studies were combined with the use of a novel photoaffinity ligand (azido-CORT) to biochemically characterize the mGR protein, finding that it is an acidic glycoprotein with an apparent molecular weight of 63 kDa and an isoelectric point of approximately 5.0. Pharmacological studies with mGR showed that a subset of kappa opioid ligands displaced corticosterone from the receptor binding site with K[subscript i] values in the nanomolar to low-micromolar range. The interaction of mGR with kappa opioid ligands was specific because no mu-, delta-, or orphanin-specific opioid ligands were effective at displacing corticosterone from the receptor. These data suggest that the newt neuronal mGR may be a kappa-opioid like receptor. Finally, molecular studies were used to clone a novel newt brain protein, neuronal axonal protein 22 (NAP-22), that was identified in a protein differential display strategy designed to identify mGR. Studies with the cloned and expressed NAP-22 protein suggest that it is not the mGR but, instead, may be a mGR-associated protein. These studies provided new information about the biochemical and pharmacological properties of mGR, and may have discovered a protein that is associated with the newt neuronal mGR.
Author | : Virinder Moudgil |
Publisher | : Springer Science & Business Media |
Total Pages | : 329 |
Release | : 2013-03-09 |
Genre | : Medical |
ISBN | : 1468455419 |
Download Steroid Receptors in Health and Disease Book in PDF, ePub and Kindle
During the last two decades, progress in steroid hormone research has resulted in the development of new approaches to contraception as well as diagnosis and treatment of endocrine disorders and cancers. Although significant advances have been made in the purification, characterization, immunochemistry and molecular biology of steroid receptors, the precise molecular mechanism of steroid hormone action has remained obscure. This book captures the detailed presentations made at the first conference on Steroid Receptors in Health and Disease held at Meadow Brook Hall, Oakland University in the fall of 1987. The purpose of this international con ference was to facilitate scientific exchange toward a better understand ing of the mode of action of steroid hormones. The scientific sessions consisted of poster presentations and state-of-the-art lectures, the latter of which make up this volume. The first chapter is meant to provide the reader with a more general background of the topics covered in the book, as well as to discuss certain theme-related issues that are either not yet well-established or accepted or are in the stage of infancy. It is hoped that this volume will serve as a useful treatise for students and investigators interested in basic and clinical aspects of biological regulation by steroid hormones. A task of this magnitude could not have been undertaken without the encouragement, advice and continued generous assistance of the members of the scientific committee. I am gratefully indebted to Drs.
Author | : Albert Altchek |
Publisher | : Elsevier |
Total Pages | : 595 |
Release | : 2003-09-04 |
Genre | : Medical |
ISBN | : 008049451X |
Download Diagnosis and Management of Ovarian Disorders Book in PDF, ePub and Kindle
This updated second edition of Diagnosis and Management of Ovarian Disorders provides thorough, yet succinct insight into the ever-changing realm of ovarian disorders. It presents a novel multidisciplinary approach to the subject as described by clinicians, surgeons, pathologists, basic scientists and related medical researchers. Topics covered include reproductive technology, early diagnosis of ovarian cancer, and management of menopause among others. The breadth of information provided by this book will appeal to clinicians and researchers involved in the study and treatment of ovarian disorders. KEY FEATURES* Includes updated information on early diagnosis of ovarian cancer* Reviews new diagnostic techniques for ovarian disorders* Discusses latest information on reproductive technology* Presents translational treatment linking laboratory research with clinical medicine
Author | : Antonino Belfiore |
Publisher | : Springer |
Total Pages | : 0 |
Release | : 2018-02-08 |
Genre | : Medical |
ISBN | : 9783319446745 |
Download Principles of Endocrinology and Hormone Action Book in PDF, ePub and Kindle
This volume provides comprehensive coverage of the current knowledge of the physiology of the endocrine system and hormone synthesis and release, transport, and action at the molecular and cellular levels. It presents essential as well as in-depth information of value to both medical students and specialists in Endocrinology, Gynecology, Pediatrics, and Internal Medicine. Although it is well established that the endocrine system regulates essential functions involved in growth, reproduction, and homeostasis, it is increasingly being recognized that this complex regulatory system comprises not only hormones secreted by the classic endocrine glands but also hormones and regulatory factors produced by many organs, and involves extensive crosstalk with the neural and immune system. At the same time, our knowledge of the molecular basis of hormone action has greatly improved. Understanding this complexity of endocrine physiology is crucial to prevent endocrine disorders, to improve the sensitivity of our diagnostic tools, and to provide the rationale for pharmacological, immunological, or genetic interventions. It is such understanding that this book is designed to foster.
Author | : Malcolm G. Parker |
Publisher | : |
Total Pages | : 434 |
Release | : 1991 |
Genre | : Science |
ISBN | : |
Download Nuclear Hormone Receptors Book in PDF, ePub and Kindle
An overview of the supergene family made up of those nuclear hormone receptors which recognize thyroid and steroid hormones, vitamen D and retinoic acid and which are characterized by their ability to bind both ligands and the genes which respond to them.
Author | : J. Robin Harris |
Publisher | : Springer Science & Business Media |
Total Pages | : 641 |
Release | : 2010-03-10 |
Genre | : Science |
ISBN | : 9048186226 |
Download Cholesterol Binding and Cholesterol Transport Proteins: Book in PDF, ePub and Kindle
Knowledge of cholesterol and its interaction with protein molecules is of fundamental importance in both animal and human biology. This book contains 22 chapters, dealing in depth with structural and functional aspects of the currently known and extremely diverse unrelated families of cholesterol-binding and cholesterol transport proteins. By drawing together this range of topics the Editor has attempted to correlate this broad field of study for the first time. Technical aspects are given considerable emphasis, particularly in relation cholesterol reporter molecules and to the isolation and study of membrane cholesterol- and sphingomyelin-rich "raft" domains. Cell biological, biochemical and clinical topics are included in this book, which serve to emphasize the acknowledged and important benefits to be gained from the study of cholesterol and cholesterol-binding proteins within the biomedical sciences and the involvement of cholesterol in several clinical disorders. It is hoped that by presenting this topic in this integrated manner that an appreciation of the fact that there is much more that needs to be taken into account, studied and understood than the widely discussed "bad and good cholesterol" associated, respectively, with the low- and high-density lipoproteins, LDL and HDL.
Author | : Robert C. Bast, Jr. |
Publisher | : John Wiley & Sons |
Total Pages | : 2004 |
Release | : 2017-03-10 |
Genre | : Medical |
ISBN | : 111900084X |
Download Holland-Frei Cancer Medicine Book in PDF, ePub and Kindle
Holland-Frei Cancer Medicine, Ninth Edition, offers a balanced view of the most current knowledge of cancer science and clinical oncology practice. This all-new edition is the consummate reference source for medical oncologists, radiation oncologists, internists, surgical oncologists, and others who treat cancer patients. A translational perspective throughout, integrating cancer biology with cancer management providing an in depth understanding of the disease An emphasis on multidisciplinary, research-driven patient care to improve outcomes and optimal use of all appropriate therapies Cutting-edge coverage of personalized cancer care, including molecular diagnostics and therapeutics Concise, readable, clinically relevant text with algorithms, guidelines and insight into the use of both conventional and novel drugs Includes free access to the Wiley Digital Edition providing search across the book, the full reference list with web links, illustrations and photographs, and post-publication updates
Author | : Bruce Alberts |
Publisher | : |
Total Pages | : 0 |
Release | : 2002 |
Genre | : Cytology |
ISBN | : 9780815332183 |
Download Molecular Biology of The Cell Book in PDF, ePub and Kindle