FR167344 free base is an orally active, nonpeptide bradykinin receptor B2 antagonist. FR167344 free base shows a high affinity binding to the B2 receptor with an IC50 value of 65 nM and no binding affinity for the B1 receptor.
[Tyr8] Bradykinin is a B2 kinin receptor agonist. [Tyr8] Bradykinin also stimulates ERK1/2 phosphorylation. [Tyr8] Bradykinin can be used as an internal standard[1].
Icatibant acetate (HOE-140 acetate) is a potent and specific peptide antagonist of bradykinin B2 receptor with IC50 and Ki of 1.07 nM and 0.798 nM respectively[1][2][3].
[Hyp3]-Bradykinin, naturally occurring peptide hormone, is a bradykinin receptor agonist. [Hyp3]-Bradykinin interacts with B2-bradykinin receptors and stimulates inositol phosphate production in cultured human fibroblasts[1].
Fulimetibant is a bradykinin receptor antagonist[1].
SSR240612 is a potent, and orally active specific non-peptide bradykinin B1 receptor antagonist, with Kis of 0.48 nM and 0.73 nM for B1 kinin receptors of human fibroblast MRC5 and HEK cells expressing human B1 receptors, 481 nM and 358 nM for B2 receptors of guinea pig ileum membranes and CHO cells expressing human B1 receptor, respectively.
[Des-Arg9]-Bradykinin acetate is a Bradykinin B1 receptor agonist that displays selectivity for B1 over B2 receptors.
WIN 64338 hydrochloride is a potent, selective, nonpeptide competitive antagonist of bradykinin B2 receptor. WIN 64338 hydrochloride inhibits [3H]-Bradykinin binding to the bradykinin B2 receptor on human IMR-90 cells with a Ki of 64 nM. WIN 64338 hydrochloride also can inhibits [3H]Quinuclidinyl benzilate binding to the rat brain muscarinic receptor (Ki=350 nM)[1][2].
Fasitibant chloride (MEN16132 free base) is a potent and selective nonpeptide bradykinin B2 receptor (B2R) antagonist. Fasitibant chloride reduces joint pain and diminishes joint oedema in Carrageenan-induced arthritis rat model[1][2][3].
NPC-567 is a bradykinin B2 receptor antagonist. NPC-567 is effective in inhibiting the acute response to allergen in the airways[1][2].
ELN-441958 is a potent, neutral antagonist of B1 receptor, inhibits the binding of the B1 agonist ligand [3H]DAKD to IMR-90 cells with Ki of 0.26 nM. ELN-441958 is highly selective for B1 over B2 receptors, and >500/ 2000-fold selective for the B1 over μ/δ-opioid receptor.IC50 value: 0.26 nM (Ki)Target: B1 Receptorin vitro: ELN-441958 is a novel small molecule bradykinin B1 receptor antagonist, based on the inhibition of agonist-induced increases in intracellular calcium in native and recombinant cells. ELN-441958 does not inhibit the activation of the human bradykinin B2 receptor at concentrations up to 10 μM, showing that it is highly selective for B1 over B2 receptors. ELN-441958 also displays good selectivity for B1 over other receptors examined in a broad screening panel. It is >500-fold and >2000-fold selective for the B1 receptor over the human μ- and δ-opioid receptor, the most potent off-target activity identified. In IMR-90 cells expressing the native human B1 receptor, ELN-441958 produced a concentration-dependent antagonism of the DAKD-induced calcium mobilization with a KB of 0.12 nM. [1]in vivo: ELN-441958 is essentially completely absorbed and produces high plasma levels after oral administration in rhesus monkeys.ELN-441958 has a moderate clearance and volume of distribution in both species following i.v. administration, consistent with the high metabolic stability in rat, rhesus, and human microsomes. ELN-441958 has high oral exposure and moderate plasma half-lives in rats and rhesus monkeys. The oral availability of ELN441958 in rats was 57%. ELN-441958 dose-dependently reduced carrageenan-induced thermal hyperalgesia in a rhesus monkey tail-withdrawal model, with an ED50 3 mg/kg s.c. [1]
Bradykinin (1-3) is a 3-amino acid residue peptide. Bradykinin (1-3) is an amino-truncated Bradykinin peptide, cleaved by Prolyl endopeptidase.
Methionyl-Lysyl-Bradykinin (Met-Lys-Bradykinin), a Bradykinin (HY-P0206) analogue, is a kinin[1][2].
Bradykinin (1-6) is an amino-truncated Bradykinin peptide. Bradykinin (1-6) is a stable metabolite of Bradykinin, cleaved by carboxypeptidase Y (CPY).
Bradykinin (1-7) is an amino-truncated Bradykinin peptide. Bradykinin (1-7) is a metabolite of Bradykinin, cleaved by endopeptidase.
Bradykinin (1-5) is a major stable metabolite of Bradykinin, formed by the proteolytic action of angiotensin-converting enzyme (ACE).
FR173657 is an orally active bradykinin B2 receptor antagonist (IC50: 0.56, 1.5, 2.9 nM for pig, rat, human B2 receptor respectively). FR173657 (p.o.) inhibits BK-induced bronchoconstriction in guinea-pigs (ED50: 0.075 mg/kg). FR173657 (p.o.) also inhibits Carrageenin-induced paw oedema in mice (ED50: 6.8 mg/kg). FR173657 can be used for research of inflammatory disease[1].
Bradykinin (2-9) is an amino-truncated Bradykinin peptide. Bradykinin (2-9) is a metabolite of Bradykinin, cleaved by Aminopeptidase P.
Lys-(Des-Arg9,Leu8)-Bradykinin is a bradykinin B1 receptor antagonist[1].
[Phe8Ψ(CH-NH)Arg9]-Bradykinin is a selective Bradykinin receptor B2 agonist (not cleaved by protein kinase I/II). [Phe8Ψ(CH-NH)Arg9]-Bradykinin has potential for the research of hypertension[1].
Des-Arg9-[Leu8]-Bradykinin acetate is potent bradykinin receptor 1 (B1R) antagonist. Des-Arg9-[Leu8]-Bradykinin acetate can be used for renal fibrosis research[1].
B 9430 is a potent bradykinin B1/B2 receptor antagonist[1].
Fasitibant (free base) is a potent, selective, high affinity, and long-lasting nonpeptide bradykinin B2 (BK2) receptor antagonist. Fasitibant (free base) has proinflammatory effects and can be used for the research of osteoarthritis and rheumatoid arthritis[1].
Lobradimil (RMP 7), a synthetic bradykinin analog, is a potent and selective bradykinin B2 receptor agonist (Ki: 0.54 nM). Lobradimil increases the permeability of the BBB. Lobradimil can be used in the research of brain tumors[1].
Retrobradykinin has the reverse sequence of Bradykinin (HY-P0206). Retrobradykinin has no significant kinin activity and can be used as a negative control for Bradykinin[1].
Sar-[D-Phe8]-des-Arg9-Bradykinin is a agonist of B1 receptor. Sar-[D-Phe8]-des-Arg9-Bradykinin selectively amplifies the contractile response when incubation with human recombinant interleukin-1 β (IL-1 β) in rabbit aortic rings[1].
Lys-[Hyp3]-Bradykinin a Bradykinin (HY-P0206) agonist. Lys-[Hyp3]-Bradykinin is a kinin, it can be isolated from human urine. Lys-[Hyp3]-Bradykinin can be used for the research of inflammation[1].
Bombinakinin M is a bradykinin receptor agonist with contractile activity in the guinea pig ileum[1][2].
Icatibant(HOE-140) is a selective and specific antagonist of bradykinin B2 receptor with IC50 and Ki of 1.07 nM and 0.798 nM respectively.IC50 value: 1.07 nM [1]Target: bradykinin B2 receptor antgonistin vitro: In receptor binding studies in guinea-pig ileum preparations, Hoe 140 showed an IC50 of 1.07 x 10(-9) mol l-1 and a KI value of 7.98 x 10(-10) mol l-1. In isolated organ preparations Hoe 140 and D-Arg-[Hyp2,Thi5,8, D-Phe7]BK inhibited bradykinin-induced contractions concentration dependently, with IC50-values in the guinea-pig ileum preparation of 1.1 x 10(-8) mol l-1 and 3 x 10(-5) mol l-1, respectively. pA2 values in this tissue were 8.42 and 6.18, respectively [1].in vivo: HOE 140 (1, 3, or 10 μg/10 μl physiological saline) was administered into the wound by a sterile micropipette. HOE 140 (1, 3, 10 μg) significantly relieved mechanical allodynia and guarding in comparison with vehicle-treated group [2]. HOE-140 (10 nmol/kg) protected against memory impairment. This treatment attenuated the brain edema, interleukin-1β, tumor necrosis factor-α, and nitric oxide metabolites content elicited by mLFPI. Accordingly, HOE-140 administration protected against the increase of nicotinamide adenine dinucleotide phosphate oxidase activity, thiobarbituric-acid-reactive species, protein carbonylation generation, and Na+ K+ ATPase inhibition induced by trauma [3].
Lys-Bradykinin, a kind of kallidin and bradykinin receptor ligand, can be generated by kininogen protein through enzymatic cleavage by the protease kallikrein. Lys-Bradykinin, also a vasodilator, can widen blood vessels and increase blood flow. Lys-Bradykinin involves in vascular regulation, inflammation and pain sensation[1].