Regulation
Neuromedin U is mediated by two receptors, peripheral NmUR1 and central nervous system NmUR2. Both receptors are examples of Class A G-protein coupled receptors (or GPCRs) with a distinct sistributional pattern. NmUR1 is expressed predominantly in the peripheral nervous system, with highest levels in the gastrointestinal tract, whereas NmUR2 is mostly found in the central nervous system, with greatest expression in the hypothalamus, medulla, and spinal cord.
The discovery of set distribution patterns has begun to allow assignation of specific roles of the two receptor subtypes within the body. What is known for certain is that recombinant NmU receptors will increase the internal calcium concentration, signaling via the MAPK/ERK pathway
Read more about this topic: Neuromedin U
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