Study finds defects in mitotic and telomere function to increase risk of sarcomas

Written By : Isra Zaman

Medically Reviewed By : Dr. Kamal Kant Kohli

Published On 2023-01-21 03:45 GMT | Update On 2023-01-21 03:45 GMT

Heritable pathogenic defects in genes related to mitosis and telomere function may specifically increase the risk for sarcomas - rare cancers that develop in muscles, bones, and other connective tissues, researchers report.

The findings provide new biological insight into sarcoma development and could inform better genetic risk profiles for sarcoma susceptibility. Sarcomas are aggressive and difficult-to-treat cancers that tend to develop in younger patients. However, due to their relative rarity, they are not as well understood as other, more common forms of cancer.

To identify sarcoma-specific genetic pathways underlying these cancers, Mandy Ballinger and colleagues performed a comprehensive, population-based, case-control whole genome germline sequencing (WGS) study involving 1,644 individuals with sarcoma and 3,205 matched healthy controls.

Through this, Ballinger et al. identified 14 pathogenic variants in genes related to mitosis and telomere integrity - specifically genes encoding components of the centrosome complex and shelterin complex, respectively. The findings suggest that alterations in these biological processes are key to sarcoma predisposition and increase the inherited risk for the disease.

Reference:

Heritable defects in telomere and mitotic function selectively predispose to sarcomas, Science, doi 10.1126/science.abj4784

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Article Source : Science

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Isra Zaman

Isra Zaman is a Life Science graduate from Daulat Ram College, Delhi University, and a postgraduate in Biotechnology from Amity University. She has a flair for writing, and her roles at Medicaldialogues include that of a Sr. content writer and a medical correspondent. Her news pieces cover recent discoveries and updates from the health and medicine sector. She can be reached at editorial@medicaldialogues.in.

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Study finds defects in mitotic and telomere function to increase risk of sarcomas

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