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Cell senescence database
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Basic Information

Gene ID

10525

Name

HYOU1

Synonymous

hypoxia up-regulated 1;HYOU1;hypoxia up-regulated 1

Definition

150 kDa oxygen-regulated protein|170 kDa glucose-regulated protein|hypoxia up-regulated protein 1|oxygen regulated protein (150kD)

Position

11q23.1-q23.3

Gene type

protein-coding

Title

Abstract

Low-glucose medium induces ORP150 expression and exerts inhibitory effect on apoptosis and senescence of human breast MCF7 cells.

Glucose deprivation is a factor evoking endoplasmic reticulum (ER) stress and induction of expression of an oxygen-regulated protein of 150 kDa (ORP150). We studied the effect of inducible overexpression of ORP150 on senescence and apoptosis of human breast carcinoma cells (MCF7) and human skin fibroblasts. We found an inhibitory effect of ORP150 on apoptosis and senescence of MCF7 cells, but not fibroblasts in ER stress conditions. An increased expression of senescence-associated beta-galactosidase and acid beta-galactosidase activity (biomarkers of cellular senescence) was observed. We suggest that ORP150 induction in cancer cells can promote tumour progression and may be a major cause of their resistance to chemotherapeutics.

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