Do male or female reproductive cells age ?

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SUMMARY

The discussion centers on the aging of male and female reproductive cells, specifically focusing on telomere dynamics in spermatogonia and oocytes. It is established that germline cells exhibit telomerase activity, preventing telomere shortening during mitosis in spermatogonia. In contrast, female oocytes, which are produced before puberty, experience aging effects after the age of 30, leading to increased risks of genetic disorders such as Down syndrome in offspring. This indicates that while male reproductive cells maintain telomere length, female reproductive cells do show signs of aging that can impact reproductive outcomes.

PREREQUISITES
  • Understanding of telomeres and telomerase activity
  • Knowledge of spermatogenesis and oogenesis
  • Familiarity with genetic disorders related to aging
  • Basic concepts of cell division and mitosis
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  • Research telomere biology and its implications in aging
  • Study the process of spermatogenesis and its cellular mechanisms
  • Investigate the effects of maternal age on oocyte quality and genetic risks
  • Explore the role of telomerase in cancer and reproductive health
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Biologists, geneticists, reproductive health specialists, and anyone interested in the implications of aging on fertility and genetic disorders.

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When spermatogonia divide by mitosis, do there telomeres shorten ? I am just trying to ask if reproductive cells age as well as with the rest of our bodies cells ? If so wouldn't a baby born from old parents have a shorter than average life expectancy due to older or more aged DNA ?
 
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Germline cells have telomerase activity, so their telomeres shouldn't shorten. The oocytes from the female are produced before puberty and sit around waiting for the final ripening, in women over 30 these oocytes start to age and there is a higher risk for disorders like Down syndrome.
 

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