Transient Receptor Potential Channels

Publication Title: 

Both poikilotherms and homeotherms live longer at lower body temperatures, highlighting a general role of temperature reduction in lifespan extension. However, the underlying mechanisms remain unclear. One prominent model is that cold temperatures reduce the rate of chemical reactions, thereby slowing the rate of aging. This view suggests that cold-dependent lifespan extension is simply a passive thermodynamic process. Here, we challenge this view in C. elegans by showing that genetic programs actively promote longevity at cold temperatures.

Xiao, Rui
Zhang, Bi
Dong, Yongming
Gong, Jianke
Xu, Tao
Liu, Jianfeng
Xu, X. Z. Shawn
Publication Title: 
Pulmonary Pharmacology & Therapeutics

Nociceptive, parasympathetic and sympathetic nerves play critical roles in regulating glandular, vascular and other processes in airway mucosa. These functions are vital for cleaning and humidifying ambient air before it is inhaled into the lungs.

Baraniuk, James N.
Publication Title: 
Experimental Cell Research

Phospholipase modulators have been shown to affect the topology of lipid bilayers and the formation of tubulo-vesicular structures, but the specific endogenous phospholipases involved have yet to be identified. Here we show that TRPML1 (MLN1), a Ca(2+)-permeable channel, contributes to membrane remodeling through a serine lipase consensus domain, and thus represents a novel type of bifunctional protein.

LaPlante, Janice M.
Falardeau, John L.
Brown, Edward M.
Slaugenhaupt, Susan A.
Vassilev, Peter M.
Publication Title: 
Nature Neuroscience

In traditional folk medicine, Xanthoxylum plants are referred to as 'toothache trees' because their anesthetic or counter-irritant properties render them useful in the treatment of pain. Psychophysical studies have identified hydroxy-alpha-sanshool as the compound most responsible for the unique tingling and buzzing sensations produced by Szechuan peppercorns or other Xanthoxylum preparations. Although it is generally agreed that sanshool elicits its effects by activating somatosensory neurons, the underlying cellular and molecular mechanisms remain a matter of debate.

Bautista, Diana M.
Sigal, Yaron M.
Milstein, Aaron D.
Garrison, Jennifer L.
Zorn, Julie A.
Tsuruda, Pamela R.
Nicoll, Roger A.
Julius, David
Publication Title: 
Journal of Manipulative and Physiological Therapeutics

OBJECTIVE: Patients may present with a complaint of "itchiness" or an "odd sensation" that can be relieved by manual therapy treatment options, which demonstrates the relevance of transient receptor potential (TRP) channels. There are studies that identify the role of various TRP channels as modulators of the itch sensation; however, discrepancies in the literature exist with respect to the overall neural pathway of the itch sensation, musculoskeletal implications, and decisive therapeutic implications.

Lucaciu, Octavian C.
Connell, Gaelan P.
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