Answered: Could a gene be involved in the growth…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Could a gene be involved in the growth of both stem cells and some kinds of cancer? Explain your answer.

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in stem cells we have an important class of genes called proto-oncogenes [PO] with are necessary for the proliferation and apoptosis of faulty cells.

when such genes become mutated they become oncogenes which are responsible for transforming the stem cell to cancer stem cells. these cells are capable of metastasis and reactivation of tumours in cured patients

along with PO, tumour suppressor genes are also required to ensure that the stem cell does not undergo uncontrolled proliferation on an oncogene is made by mutations

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