TRP Channels

TRP Channels

New Book on TRP Channels

Read it online. Get your copy from Amazon. Get your copy from Springer.

Transient Receptor Potential Channels offers a unique blend of thoughtfully selected topics ranging from the structural biology of this fascinating group of ion channels to their emerging roles in human diseases. This single book covers TRP channels of yeasts, flies, fishes frogs and humans. And from the biophysics of primary thermo-sensory events in cells to the thermosensation at whole organism level, from physiology of pain to the development of pain-killers, from psychiatric illnesses to cancers, from skin cells to sperms, from taste buds to testes, from established facts to heated debates, this book contains something for every TRP enthusiasts, beginner and expert alike. It includes crucial background information, critical analysis of cutting edge research, and ideas and thoughts for numerous testable hypotheses. It also shows directions for future research in this highly dynamic field. It is a book readers will be just as eager to give to others as keep for themselves. Transient Receptor Potential Channels (Advances in Experimental Medicine and Biology) [Hard cover]. Md. Shahidul Islam (Editor). Publisher: Springer. 52 chapters, 125 authors, about 1115 pages

Chapter 15

AbstractsPosted by Md. Shahidul Islam Wed, February 16, 2011 12:36:40

The TRPV5 Promoter as a Tool for Generation of Transgenic Mouse Models

Marlene Vind Hofmeister, Ernst-Martin Füchtbauer, Robert Andrew Fenton, and Jeppe Praetorius

The transient receptor potential vanilloid 5 (TRPV5) is a Ca2+ channel, which is expressed in renal late distal convoluted tubules (DCT2s) and connecting tubules (CNTs). These tubules play a major role in hormone controlled renal Ca2+ reabsorption, and thereby in body Ca2+ homeostasis, as well as urinary excretion of other electrolytes, including Na+ and K+. DCT2 and CNT are difficult to distinguish from the surrounding structures and thereby to study by direct functional methods. We developed a transgenic mouse model expressing enhanced green fluorescent protein (EGFP) driven by the TRPV5 promoter to identify these specific tubules. Expression of EGFP in the DCT2 and CNT allows the isolation of pure DCT2 and CNT populations for proteomic and physiological analyses. The TRPV5 promoter is also useful for generating conditional knockout mouse models in a cellspecific manner. TRPV5 promoter driven Cre recombinase expression will be useful for inducing DCT2 and CNT specific gene silencing of various channels, pumps, carriers, and receptors. In this chapter, we describe the strategy for developing transgenic mouse lines involving the TRPV5 promoter, provide a description of extensive validation of these mouse lines, and discuss possible uses and limitations.

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