Effect of selenocystine on gene expression profiles in human keloid fibroblasts.

Abstract:

:In this study, selenocystine, a nutritionally available selenoamino acid, was identified for the first time as a novel agent with anti proliferative activity on human keloids. The 20 μM concentration after 48 h treatment used here was the most effective to reduce keloid fibroblast growth. We analyzed the gene expression profile of selenocystine treatment response in keloid fibroblasts by the microarray system to characterize the effects of selenocystine on human keloids. The major alterations in keloid fibroblasts following selenocystine exposure included up-regulation of the genes encoding cell death and transcription factors. Prominent down-regulation of genes involved in development, cell adhesion and cytoskeleton, as well as extra cellular matrix genes, usually strongly up-regulated in keloids, resulted following selenocystine exposure. The range of the down-regulated genes and the degree of the decreased expression appeared to be correlated with the degree of the morphological alterations in selenocystine treated keloids.

journal_name

Genomics

journal_title

Genomics

authors

De Felice B,Garbi C,Wilson RR,Santoriello M,Nacca M

doi

10.1016/j.ygeno.2011.02.009

subject

Has Abstract

pub_date

2011-05-01 00:00:00

pages

265-76

issue

5

eissn

0888-7543

issn

1089-8646

pii

S0888-7543(11)00057-7

journal_volume

97

pub_type

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