Abstract
Autoradiographic investigation of the cell cycle of 12 diploid and 12 abnormal human fibroblast strains was carried out. Two cell strains (trisomy 7 and monosomy 21) derived from spontaneous abortuses showed prolongation of the G2 period accompanied by the shortening of the S period. Other cytogenetically abnormal embryonic strains (trisomy 9, 14 and triploidy) did not deviate from the diploid pattern. Three cell strains (LHC-1-70, LHC-6-70, LHC-411) derived from the patients with karyotypes 47,XXX, 47,XY,+18 and 46,XX,5p—respectivly had embryonic types of proliferation with a short G2 period. In two other strains from the patients with Down's syndrom the G2 period was prolonged. There was no statistically significant difference in the parameters of the cell cycle between the control and the strains derived from a patient with Klinefelter syndrom and from a male patient with karyotype 46,XX. The modificatory effect of the chromosomal abnormalities on the parameters of cell cycle is discussed.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.