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Dictionary » Substance P

Substance P

Introduction: Substance P

Description of Substance P

Substance P: Encoded by human TAC1 Gene (Tachykinin Family) as alternative alpha, beta, delta, and gamma isoforms, Preprotachykinin 1 generates by proteolytic processing the secreted tachykinins: Substance P, Substance K, Neurokinin A, Neurokinin 2, Neuromedin L, Neurokinin Alpha, Neuropeptide K, and Neuropeptide Gamma. Tachykinins are amidated neuropeptides/neurotransmitters that share C-terminal Phe-X-Gly-Leu-Met sequence; interact with nerve receptors to excite neurons and evoke behavioral responses; are potent vasodilators and secretagogues; and directly or indirectly contract many smooth muscles. Substance P is produced in nociceptive primary sensory neurons and in many brain regions involved in pain signaling. (NCI)
Source: Diseases Database

Substance P: neuropeptide composed of 11 amino acids, present in nerve cells scattered throughout the body and in special endocrine cells in the gut; increases the contractions of gastrointestinal smooth muscle, causes vasodilation, and appears to be a sensory neurotransmitter mediating pain, touch, and temperature.
Source: CRISP

Substance P: An eleven-amino acid neurotransmitter that appears in both the central and peripheral nervous systems. It is involved in transmission of PAIN, causes rapid contractions of the gastrointestinal smooth muscle, and modulates inflammatory and immune responses.
Source: MeSH 2007

Substance P: Related Topics

These medical condition or symptom topics may be relevant to medical information for Substance P:

Terms associated with Substance P:

Related Topics

Source - MeSH 2007

Broader terms for Substance P

Source - MeSH 2007

Source - CRISP

The term Substance P can be used for:

Source: CRISP

Hierarchical classifications of Substance P

The following list attempts to classify Substance P into categories where each line is subset of the next.

MeSH 2007 Hierarchy:

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

MeSH 2007 Hierarchy

External links related to: Substance P

Source: Diseases Database

Interesting Medical Articles:

Medical dictionaries:

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