The Expression of Five Cell Cycle Control related Genes in the Test of Mouse at Different Development Stage
PCNA等5种基因在小鼠睾丸发育过程中的表达 The Expression of Five Cell Cycle Control-related Genes in the Test of Mouse at Different Development Stage

s: Using in situ hybridization technique with Dig Labeled DNA probe, we studied the expression of PCNA,cyclin D1, cdc2, P21 and P16 gene in the test of one day old,30 days old and adult Kunming mouse.The results shows that the expression of PCNA gene was strong in the test of 30 days old and adult mouse; cyclin D1 gene only expressed in the test of 30 days old mouse; cdc2,P21 and P16 gene did not express in the test of all three groups of mouse.These results suggest that:(1)cyclin D1,cdc2,P16 and P21 genes are not related to the regulaton of cell cycle during test development and germ genaration, and possibly the machanism of cell cycle regulation during test development and germ genaration is different from other kind of cells;(2)cyclin D1 has other founctions except promoting cell profilation;and (3)the germ genaration during test development may start after 30 days old.