This gene is a member of the tachykinin family of neurotransmitter-encoding genes. Tachykinin proteins are cleaved into small, secreted peptides that activate members of a family of receptor proteins. The products of this gene preferentially activate tachykinin receptor 1, and are thought to regulate peripheral endocrine and paracrine functions including blood pressure, the immune system, and endocrine gland secretion. The products of this gene lack a dibasic cleavage site found in other tachykinin proteins. Consequently, the nature of the cleavage products generated in vivo remains to be determined. Multiple transcript variants encoding different isoforms have been found for this gene. [provided by RefSeq, Jul 2008]
Function:
Hemokinin 1 are from the Tachykinins family of proteins that are active peptides which excite neurons. They evoke behavioral responses and are potent vasodilators and secretagogues. Hemokinin 1 involved in contraction (directly or indirectly) of many smooth muscles. Hemokinin 1is cleaved in to three short peptides Edokinin A,B,C. Endokinin A induces thermal hyperalgesia and pain-related behavior such as scratching following intrathecal administration in rats. These effects are suppressed by treatment with Endokinin C. Endokinin A/B reduces arterial blood pressure and increases sperm motility.
Subcellular Location:
Secreted.
Tissue Specificity:
Expressed at low levels in the uterus of both pregnant and non-pregnant women. Isoform 1 is found only in the adrenal gland and fetal liver. Isoform 2 is found in heart, liver, bone marrow, prostate, adrenal gland and testis. Isoform 3 and isoform 4 are expressed predominantly in adrenal gland and placenta.
Similarity:
Belongs to the tachykinin family.
SWISS:
Q86UU9
Gene ID:
255061
Database links:
Entrez Gene: 255061 Human
Omim: 607833 Human
SwissProt: Q86UU9 Human
Unigene: 652130 Human
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