Asynchrony of Dna Synthesis in Chromosomes of Human Diploid Cells
نویسندگان
چکیده
It has been previously demonstrated (1) that the length of the period of DNA synthesis (S period) as measured by uptake of tritiated thymidine is approximately the same in several animal cells. Since the length of this period (with a range of 6/~ to 8 hours) appears to be independent of the species of the cell, the chromosome number, the cells of human diploid strains in long term cultivation.
منابع مشابه
Supportive Effects of Human Embryonic Fibroblast Cell Lines on Growth and Proliferation of EBV-Transformed Lymphoblastoid Cells
Human diploid fibroblast cells produce a spectrum of necessary growth factors and extracellular matrix (ECM) components essential for growth and proliferation of a variety of other cell types. In this study, the effect of five human embryonic fibroblast cell lines, isolated from liver, lung, skin and foreskin tissues, was investigated. A coculture system analyse was employed to cloning efficien...
متن کاملDna Synthesis and Chromosomal Asynchrony
A number of studies investigating the chronology of D N A synthesis in human chromosomes have indicated a degree of asynchrony among the members of the complement. The most striking asynchrony of D N A synthesis demonstrated within pairs of human chromosomes is the late replication of one of the X chromosomes shown by pulse labeling with tritiated thymidine in cultures of leucocytes (3, 4, 7, 8...
متن کاملEvaluation of Live Attenuated Measles Vaccines Prepared in Human Diploid Cells for Reimmunization
متن کامل
DNA-Repair Capacity in Down\'s Syndrome
Down's syndrome (DS) is the most common chromosomal abnormality in human. Subjects with DS are known to be peridisposed to develop leukemia. The molecular basis of the association between DS and leukemia is unknown. The unscheduled DNA synthesis (UDS) test measure the ability of DNA-repair in mammalian cells after excision of a stretch of DNA containing the region of damage induced by chemical ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- The Journal of Cell Biology
دوره 16 شماره
صفحات -
تاریخ انتشار 1963