{"id":2638,"date":"2025-01-17T02:38:07","date_gmt":"2025-01-17T02:38:07","guid":{"rendered":"https:\/\/medicine.nus.edu.sg\/medphc\/?p=2638"},"modified":"2025-01-17T02:38:07","modified_gmt":"2025-01-17T02:38:07","slug":"cell-cycle-dysregulation-in-cancer","status":"publish","type":"post","link":"https:\/\/medicine.nus.edu.sg\/medphc\/publications\/cell-cycle-dysregulation-in-cancer\/","title":{"rendered":"Cell cycle dysregulation in cancer"},"content":{"rendered":"\r\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone  wp-image-2639\" src=\"https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250117-APK-300x169.jpg\" alt=\"\" width=\"950\" height=\"535\" srcset=\"https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250117-APK-300x169.jpg 300w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250117-APK-1024x576.jpg 1024w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250117-APK-768x432.jpg 768w, https:\/\/medicine.nus.edu.sg\/medphc\/wp-content\/uploads\/sites\/33\/2025\/01\/20250117-APK.jpg 1280w\" sizes=\"auto, (max-width: 950px) 100vw, 950px\" \/><\/figure>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n\r\n\r\n\r\n<p><span style=\"font-size: 18pt;\"><strong>ABSTRACT<\/strong><\/span><\/p>\r\n\r\n\r\n\r\n<p>Cancer is a systemic manifestation of aberrant cell cycle activity and dysregulated cell growth. Genetic mutations can determine tumor onset by either augmenting cell division rates or restraining<br \/>normal controls such as cell cycle arrest or apoptosis. As a result, tumor cells not only undergo uncontrolled cell division but also become compromised in their ability to exit the cell cycle accurately. Regulation of cell cycle progression is enabled by specific surveillance mechanisms known as cell cycle checkpoints, and aberrations in these signaling pathways often culminate in cancer. For instance, DNA damage checkpoints, which preclude the generation and augmentation of DNA damage in the G1, S, and G2 cell cycle phases, are often defective in cancer cells, allowing cell division in spite of the accumulation of genetic errors. Notably, tumors have evolved to become dependent on checkpoints for their survival. For example, checkpoint pathways such as the DNA replication stress checkpoint and the mitotic checkpoint rarely undergo mutations and remain intact because any aberrant activity could result in irreparable damage or catastrophic chromosomal missegregation leading to cell death. In this review, we initially focus on cell cycle control pathways and specific functions of checkpoint signaling involved in normal and cancer cells and then proceed to examine how cell cycle control and checkpoint mechanisms can provide new therapeutic windows that can be exploited for cancer therapy.<\/p>\r\n\r\n\r\n\r\n<p><strong><em>Significance Statement:<\/em><\/strong> DNA damage checkpoints are often defective in cancer cells, allowing cell division in spite of the accumulation of genetic errors. Conversely, DNA replication stress and mitotic checkpoints rarely undergo mutations because any aberrant activity could result in irreparable damage or catastrophic chromosomal missegregation, leading to cancer cell death. This review focuses on the checkpoint signaling mechanisms involved in cancer cells and how an emerging understanding of these pathways can provide new therapeutic opportunities for cancer<br \/>therapy.<\/p>\r\n\r\n\r\n\r\n<p>Full article:<a href=\"https:\/\/doi.org\/10.1016\/j.pharmr.2024.100030\">https:\/\/doi.org\/10.1016\/j.pharmr.2024.100030<\/a><\/p>\r\n\r\n\r\n\r\n<p>&nbsp;<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; ABSTRACT Cancer is a systemic manifestation of aberrant cell cycle activity and dysregulated cell growth. Genetic mutations can determine tumor onset by either augmenting cell division rates or restrainingnormal controls such as cell cycle arrest or apoptosis. As a result, tumor cells not only undergo uncontrolled cell division but also become compromised in their [&hellip;]<\/p>\n","protected":false},"author":9345,"featured_media":2639,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"default","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-2638","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-publications"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Cell cycle dysregulation in cancer - Pharmacology<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/medicine.nus.edu.sg\/medphc\/publications\/cell-cycle-dysregulation-in-cancer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Cell cycle dysregulation in cancer - Pharmacology\" \/>\n<meta property=\"og:description\" content=\"&nbsp; ABSTRACT Cancer is a systemic manifestation of aberrant cell cycle activity and dysregulated cell growth. Genetic mutations can determine tumor onset by either augmenting cell division rates or restrainingnormal controls such as cell cycle arrest or apoptosis. 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