Prokineticin Receptor

Prokineticin Receptors (PKRs) are a class of G protein-coupled receptors comprising two subtypes, PKR1 and PKR2. They bind to endogenous ligands prokineticin (PK1 and PK2) and play pivotal roles in regulating various important physiological and pathological processes. Research has demonstrated that PKRs are critically involved in angiogenesis, neurogenesis, pain perception, reproductive functions, and circadian rhythm regulation^[1].
PKR1 is primarily expressed in the cardiovascular system and peripheral tissues, where it participates in angiogenesis and cardioprotection, while PKR2 is predominantly distributed in the central nervous system, modulating neuronal development and synaptic plasticity . Upon activation, PKRs mainly signal through the Gq/11 protein-coupled pathway, stimulating phospholipase C (PLC) activation, which subsequently induces intracellular calcium release and protein kinase C (PKC) activation^[2].

References:

[1]. Boulberdaa M, et al. Prokineticin receptor 1 (PKR1) signalling in cardiovascular and kidney functions. Cardiovasc Res. 2011 Nov 1;92(2):191-8. [Content Brief]

[2]. Casella I, et al. Prokineticin receptors interact unselectively with several G protein subtypes but bind selectively to β-arrestin 2. Cell Signal. 2021 Jul;83:110000. [Content Brief]

Prokineticin Receptor Antagonists (3)

Prokineticin Receptor Related Products (3):

Cat. No.	Product Name	Effect	Purity	Chemical Structure

HY-147056

PKRA83	Antagonist	98.04%
PKRA83 (PKRA7) is a potent prokineticin (PK2) antagonist, which can compete for the binding of PK2 to its receptors PKR1 and PKR2. PKRA83 potently inhibits PK2 receptors, with IC₅₀ values of 5.0 nM and 8.2 nM for PKR1 and PKR2, respectively. PKRA83 has anticancer, anti-arthritis and anti-angiogenic activities. PKRA83 can penetrate the blood-brain barrier.

HY-147056B

PKRA83 hydrochloride	Antagonist
PKRA83 (PKRA7) hydrochloride is a potent, blood-brain-penetrating PK2 antagonist that competes for PK2 binding to its receptors, PKR1 and PKR2. PKRA83 hydrochloride potently inhibits PK2 receptors with IC₅₀ values of 5.0 nM and 8.2 nM for PKR1 and PKR2, respectively. PKRA83 hydrochloride exhibits anticancer, antiarthritis, and antiangiogenic activities.

HY-159972

PKR1 antagonist 1	Antagonist
PKR1 antagonist 1 (PC1) is a potent PKR1 antagonist. PKR1 antagonist 1 reduces hyperalgesia and allodynia in SNI mice.

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