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HPB

Cat. No. M8624

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HPB Structure

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Quality Control & Documentation
Biological Activity

HPB is a cell-permeable, non-cytotoxic N-hydroxybenzamide derivative that acts as a HDAC6-selective deacetylase inhibitor (IC50 = 31/376/677/842/1133 nM against HDAC6/8/10/1/7, >2 μM against HDAC2/3/4/11/9/5). HPB treatment results in reduced growth, but not viability (up to 64 μM and 72 hrs), of LNCaP prostate cancer cells and non-cancer human foreskin fibroblasts (IC50 = 8 and 16-32 μM, respectively), causing upregulated acetylation levels of alpha-tubulin and peroxiredoxin, but not histones, both in cultures and in mice in vivo. Intraperitoneal injection is efficacious in suppressing the expansion of prostate cancer CWR22 xenograft-derived tumors in mice (by 73% in 4 wks; Five daily 300 mg/kg i.p. dosings a week) without detectable weight loss.

Chemical Information
Molecular Weight 328.36
Formula C18H20N2O4
CAS Number 1800066-24-3
Solubility (25°C) DMSO: 5 mg/mL (warmed)
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
References

[1] No authors listed. HPB Surg. HPB News

[2] Martin de Santibaes, et al. Combined liver and multivisceral resections

[3] M P Senthil Kumar, et al. Klatskin-like lesions

[4] A N Kingsnorth. Major HPB procedures must be undertaken in high volume quaternary centres?

[5] G Gozzetti, et al. HPB surgery: an independent speciality or a branch of digestive surgery?

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Keywords: HPB supplier, inhibitors, activators

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