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Cancer Biology by Pearson
book

Cancer Biology by Pearson

by V. Deepa Parvathi
December 2023
Beginner
256 pages
7h 33m
English
Pearson India
Content preview from Cancer Biology by Pearson

7

Diagnosis, Prognosis and Counseling

7.1 Molecular Profiling of Cancer

7.1.1 Genetics of Cancer

Genomic instability plays a major role in cancer which involves epigenetic alterations and distress in DNA sequences. Mechanism of these alterations gives rise to loss or gain of function of genes that promotes tumor formation. Deletion, translocation, inversion, insertion are mutations that out-turn to be cancerous. Evidences prove that disturbances in DNA methylation and chromatin structure have high reliability to cancer. Genomic hypomethylation and localised hypermethylation results in tumor development. This type of abnormal hypermethylation on CpG-islands leads to reduced transcription and in turn inactivate the tumor suppressor genes. Hypomethylation ...

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Publisher Resources

ISBN: 9789357054522