GLT-1 overexpression attenuates bladder nociception and local/cross-organ sensitization of bladder nociception

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GLT-1 overexpression attenuates bladder nociception and local/cross-organ sensitization of bladder nociception.

Glutamatergic pathways mediate transmission of pain. Strategies to reduce glutamatergic neurotransmission may have beneficial effects to mitigate nociception. Recent work revealed that overexpression of the astrocytic glutamate transporter (GLT-1) by transgenic or pharmacologic approaches produced a diminished visceral nociceptive response to colonic distension. The purpose of this study was to...

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Emerging Families of Ion Channels Involved in Urinary Bladder Nociception

The expression of multiple ion channels and receptors is essential for nociceptors to detect noxious stimuli of a thermal, mechanical or chemical nature. The peripheral sensory transduction systems of the urinary bladder include sensory nerve endings, urothelial cells and others whose location is suitable for transducing mechanical and chemical stimuli. There is an increasing body of evidence i...

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Metabotropic glutamate receptor 5 (mGluR5) regulates bladder nociception

BACKGROUND Interstitial cystitis/painful bladder syndrome (IC/PBS), is a severely debilitating chronic condition that is frequently unresponsive to conventional pain medications. The etiology is unknown, however evidence suggests that nervous system sensitization contributes to enhanced pain in IC/PBS. In particular, central nervous system plasticity of glutamatergic signaling involving NMDA an...

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MOLECULAR PAIN Metabotropic glutamate receptor 5 (mGluR5) regulates bladder nociception

Background: Interstitial cystitis/painful bladder syndrome (IC/PBS), is a severely debilitating chronic condition that is frequently unresponsive to conventional pain medications. The etiology is unknown, however evidence suggests that nervous system sensitization contributes to enhanced pain in IC/PBS. In particular, central nervous system plasticity of glutamatergic signaling involving NMDA a...

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WNT signaling mechanisms in nociception and sensitization of afferent neurons

MicroRNAs (miRNAs) are short, 22–25 nucleotide long transcripts that may suppress entire signaling pathways by interacting with the 3’-untranslated region (3’-UTR) of coding mRNA targets, interrupting translation and inducing degradation of these targets. The long 3’-UTRs of brain transcripts compared to other tissues predict important roles for brain miRNAs. Supporting this notion, we found th...

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ژورنال

عنوان ژورنال: American Journal of Physiology-Renal Physiology

سال: 2011

ISSN: 1931-857X,1522-1466

DOI: 10.1152/ajprenal.00009.2011