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Multi-ancestral origin of intestinal tumors: Impact on growth, progression, and drug efficacy.

Alyssa A LeystraBrock J GilsdorfAmanda M WisingerElise R WardaShanna WiegandChristopher D ZahmKristina A MatkowskyjDustin A DemingNaghma KhanQuincy RosemarieChelsie K SieversAlexander R SchwartzDawn M AlbrechtLinda ClipsonHasan MukhtarMichael A NewtonRichard B Halberg
Published in: Cancer reports (Hoboken, N.J.) (2021)
These data indicate that genetically distinct tumor-founding cells can contribute to early intratumoral heterogeneity. The coevolution of the founding cells and their progeny enhances colon tumor progression and impacts the response to aspirin. These findings are important to a more complete understanding of tumorigenesis with consequences for several distinct models of tumor evolution. They also have practical implications to the clinic. Mouse models with heterogenous tumors are likely better for predicting drug efficacy as compared to models in which the tumors are highly homogeneous. Moreover, understanding how interactions among different populations in a single heterotypic tumor with a multi-ancestral architecture impact response to a single agent and combination therapies are necessary to fully develop personalized medicine.
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