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Vertical Cancer Transmission via Asexual Fragmentation and Associated Cancer Prevalence
Jibeom Choi1,2
1Department of Applied Mathematics Kyung Hee University Yongin Republic of Korea.
Evolutionary Applications
|May 22, 2025
Summary
Asexual reproduction via fragmentation can reduce cancer risk through "fragmentational purging" by limiting cell replications. However, it can also increase cancer risk via "fragmentational accumulation," influencing evolutionary trajectories.
Area of Science:
- Evolutionary Biology
- Cancer Biology
- Reproductive Biology
Background:
- Sexual reproduction is common in animals, but asexual reproduction methods like fissiparity and budding exist.
- Asexual reproduction involves fragment detachment, which can transmit parental tumor cells to offspring.
- This process presents a duality: reduced cell replication lowers mutation risk, while tumor cell transmission increases it.
Purpose of the Study:
- To explore the evolutionary implications of cancer transmission during asexual reproduction.
- To model the opposing forces of fragmentational purging and fragmentational accumulation.
- To understand how fragmentation influences cancer risk across generations.
Main Methods:
- Mathematical modeling was used to analyze evolutionary trajectories.
- Diverse parameters were explored to assess the impact on fragmentation.
- Comparative analysis with sexual reproduction and genetic diversity was considered.
Main Results:
- Fragmentational purging can decrease cancer risk by limiting cell replications.
- Fragmentational accumulation can increase cancer risk through inherited tumor cells.
- Neither process guarantees the evolution or exclusion of fragmentation, with other factors playing a role.
Conclusions:
- Fragmentation's evolutionary advantage is complex, influenced by cancer dynamics and other factors like genetic diversity.
- The link between stemness, self-renewal, and cancer risk in fragmenting organisms warrants further study.
- Investigating cancer-suppression in fragmenting animals may offer insights for regenerative medicine and cancer therapy.
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