Regulation of expression of steroidogenic enzymes in leydig cells

During hypoxia, tumor suppressor p53 overexpression may be associated with HIF1A-dependent pathway to initiate apoptosis. Moreover, p53-independent pathway may also induce apoptosis through the Bcl-2 pathway. [73] However, overexpression of HIF1A is cancer- and individual-specific, and depends on the accompanying genetic alternations and levels of pro- and anti-apoptotic factors present. One study on epithelial ovarian cancer shows HIF1A and nonfunctional tumor suppressor p53 is correlated with low levels of tumor cell apoptosis and poor prognosis. [74] Further, early-stage esophageal cancer patients with demonstrated overexpression of HIF1 and absence of BCL2 expression also failed photodynamic therapy. [75] Studies of glioblastoma multiforme show striking similarity between HIF1A protein expression pattern and that of VEGF gene transcription level.

Regulation of expression of steroidogenic enzymes in leydig cells

regulation of expression of steroidogenic enzymes in leydig cells

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regulation of expression of steroidogenic enzymes in leydig cellsregulation of expression of steroidogenic enzymes in leydig cellsregulation of expression of steroidogenic enzymes in leydig cellsregulation of expression of steroidogenic enzymes in leydig cellsregulation of expression of steroidogenic enzymes in leydig cells

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