Although numerous treatments are available for advanced hormone receptor- positive (HR+) and human epidermal growth factor receptor 2 negative (HER2-) breast cancers, they are rarely curable. Drugs such as palbociclib that inhibit cyclin-dependent kinase 4 and 6 (CDK4/6) are rapidly altering this therapeutic environment. Discuss the function of CDK4 and CDK6 in promoting cell growth as well as the overall effects of their inhibition by palbociclib on the progression of the cell cycle.

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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Although numerous treatments are available for advanced hormone receptor-
positive (HR+) and human epidermal growth factor receptor 2 negative
(HER2-) breast cancers, they are rarely curable. Drugs such as palbociclib
that inhibit cyclin-dependent kinase 4 and 6 (CDK4/6) are rapidly altering this
therapeutic environment. Discuss the function of CDK4 and CDK6 in
promoting cell growth as well as the overall effects of their inhibition by
palbociclib on the progression of the cell cycle.
Transcribed Image Text:Although numerous treatments are available for advanced hormone receptor- positive (HR+) and human epidermal growth factor receptor 2 negative (HER2-) breast cancers, they are rarely curable. Drugs such as palbociclib that inhibit cyclin-dependent kinase 4 and 6 (CDK4/6) are rapidly altering this therapeutic environment. Discuss the function of CDK4 and CDK6 in promoting cell growth as well as the overall effects of their inhibition by palbociclib on the progression of the cell cycle.
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