2. GPCR/G Protein Immunology/Inflammation Anti-infection
  3. CXCR HIV
  4. KRH-3955 hydrochloride

KRH-3955 hydrochloride 是一种具有口服活性的 CXCR4 拮抗剂。KRH-3955 hydrochloride 抑制 SDF-1α 与 CXCR4 的结合，IC50 为0.61 nM。KRH-3955 hydrochloride 也是高效的、选择性的 X4 HIV-1 抑制剂，EC50 为 0.3 至 1.0 nM。

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KRH-3955 hydrochloride Chemical Structure

KRH-3955 hydrochloride Chemical Structure

CAS No. : 2253744-59-9

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KRH-3955 hydrochloride 相关抗体

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  • 生物活性

  • 纯度 & 产品资料

  • 参考文献

生物活性

KRH-3955 hydrochloride is an orally bioavailable CXCR4 antagonist. KRH-3955 hydrochloride inhibits SDF-1α binding to CXCR4 with an IC50 of 0.61 nM. KRH-3955 hydrochloride is also a highly potent and selective inhibitor of X4 HIV-1, with an EC50 of 0.3 to 1.0 nM[1].

IC50 & Target[1]

X4 HIV-1NL4-3

0.3-1.0 nM (EC50)

SDF-1α-CXCR4

0.61 nM (IC50)

体外研究
(In Vitro)

KRH-3955 inhibits the replication of NL4-3 in activated peripheral blood mononuclear cells (PBMCs) from eight different donors with the EC50 ranging from 0.23 to 1.3 nM[1].
KRH-3955 inhibits the infection of CD4/CXCR4 cells by these recombinant drug-resistant viruses, including viruses resistant to PIs, NRTIs, or NNRTIs, multidrug-resistant viruses and T20-resistant viruses, with the IC50 ranging from 0.4 to 0.8 nM[1].
KRH-3955 (10-100 nM) inhibits the SDF-1α-induced increase in the intracellular Ca2+ concentration in a dose-dependent manner[1].
KRH-3955 (0.1-1000 nM) binding sites are located in a region composed of all three extracellular loops (ECLs) of CXCR4[1].
KRH-3955 (10 nM) has a strong binding affinity for CXCR4 and a slow dissociation rate[1].
KRH-3955 inhibits MAb 12G5 binding to CXCR4 mutants, with the IC50 ranging from 0.5 to 14.1 nM[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

KRH-3955 hydrochloride 相关抗体:
体内研究
(In Vivo)

KRH-3955 (10 mg/kg; a single p.o.) efficiently suppresses X4 HIV-1 infection in hu-PBL-SCID mice[1].
KRH-3955 (10 mg/kg; a single p.o.) exhibits moderate oral bioavailability (25.6%) and Cmax (86.3 ng/mL)[1].
KRH-3955 (10 mg/kg; a single i.v.) exhibits terminal elimination half-lives (99 h) due to high plasma clearance (3.9 liters/h/kg) combined with large volumes of distribution (374 liters/kg)[1].

MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Animal Model: C.B-17 SCID mice engrafted with human PBMCs and injected with infectious X4 HIV-1 (NL4-3)[1]
Dosage: 10 mg/kg
Administration: A single p.o. administration
Result: Four of five mock-treated mice were infected whereas only one of five mice treated with KRH-3955 was infected.
Animal Model: Male Sprague-Dawley rats[1]
Dosage: 10 mg/kg (Pharmacokinetic Analysis)
Administration: A single p.o. or i.v. administration
Result: Well absorbed and the absolute oral bioavailability in rats was calculated to be 25.6%.
The half time (T1/2) of 99.0±13.1 h.
Stable in human hepatic microsomes, and no significant inhibition of CYP450 liver enzymes by this compound was observed.
分子量

589.09

Formula

C28H48Cl3N7
CAS 号
运输条件

Room temperature in continental US; may vary elsewhere.
储存方式

Please store the product under the recommended conditions in the Certificate of Analysis.
纯度 & 产品资料
参考文献

KRH-3955 hydrochloride 相关分类

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  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

Keywords:

KRH-39552253744-59-9KRH3955KRH 3955CXCRHIVCXC chemokine receptorsC-X-C motif chemokine receptorsHuman immunodeficiency virusCXCR4X4HIV-1orallybioavailableInhibitorinhibitorinhibit

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