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Frum Y, Eccleston GM, Meidan VM. In-vitro permeation of drugs into porcine hair follicles: is it quantitatively equivalent to permeation into human hair follicles?. J Pharm Pharmacol. 2008;60(2):145-51doi: 10.1211/jpp.60.2.0002.
Frum, Y., Eccleston, G. M., & Meidan, V. M. (2008). In-vitro permeation of drugs into porcine hair follicles: is it quantitatively equivalent to permeation into human hair follicles?. The Journal of pharmacy and pharmacology, 60(2), 145-51. https://doi.org/10.1211/jpp.60.2.0002
Frum, Yakov, et al. "In-vitro permeation of drugs into porcine hair follicles: is it quantitatively equivalent to permeation into human hair follicles?." The Journal of pharmacy and pharmacology vol. 60,2 (2008): 145-51. doi: https://doi.org/10.1211/jpp.60.2.0002
Frum Y, Eccleston GM, Meidan VM. In-vitro permeation of drugs into porcine hair follicles: is it quantitatively equivalent to permeation into human hair follicles?. J Pharm Pharmacol. 2008 Feb;60(2):145-51. doi: 10.1211/jpp.60.2.0002. PMID: 18237461.
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J Pharm Pharmacol. 2008 Feb;60(2):145-51. doi: 10.1211/jpp.60.2.0002.

In-vitro permeation of drugs into porcine hair follicles: is it quantitatively equivalent to permeation into human hair follicles?.

The Journal of pharmacy and pharmacology

Yakov Frum, Gillian M Eccleston, Victor M Meidan

Affiliations

  1. Division of Pharmaceutical Sciences, Strathclyde Institute of Pharmacy and Biomedical Sciences, University of Strathclyde, 27 Taylor Street, Glasgow G4 0NR, Scotland, UK.

PMID: 18237461 DOI: 10.1211/jpp.60.2.0002

Abstract

It is already well-established that the general permeability properties of porcine skin are close to those of human skin. However, very little is known with respect to drug absorption into hair follicles and the similarities if any between the two types of tissue. The aim of this study was to use the skin sandwich system to quantify follicular drug absorption into porcine hair follicles. To our knowledge, this is the first time that the skin sandwich has been extended to porcine tissue. For this purpose, seven different drugs -- estradiol, corticosterone, hydrocortisone, aldosterone, cimetidine, deoxyadenosine and adenosine -- exhibiting a wide range of log octanol-water partition coefficients (log K(o/w)), but comparable molecular weights, were chosen as candidate solutes. The results showed a parabolic profile with maximal follicular contribution occurring at intermediate log K(o/w) values. Linear regression analysis indicated that the follicular contributions in porcine skin correlated well with previously published follicular contributions in human skin (r(2) = 0.87). The novelty of this research is that we show that porcine tissue is a good surrogate for modelling human skin permeability within the specific context of quantifying drug absorption into hair follicles.

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