The product of this tumor suppressor gene, a 105-kilodalton polypeptide called pRB, `is a cell cycle regulator. The pRB polypeptide inhibits cell proliferation by arresting cells at the G1 phase of ...
Heat-shock protein 90 (Hsp90) inhibitor downregulates c-Myc expression and upregulates the expression of tumor repressor proteins such as p53 and pRB, inhibiting the G1/S transition and causing G2 ...