Understanding oncogenes and tumor suppressor genes<\/strong> is essential for anyone preparing for competitive exams like the RPSC Assistant Professor role. These genes regulate cell growth, division, and death, and their dysregulation is a primary driver of cancer. This guide will explore their functions, interactions, and real-world applications to help you master this critical topic.<\/p>\n Oncogenes and tumor suppressor genes<\/strong> are two sides of the same coin. Oncogenes, when mutated or overexpressed, promote uncontrolled cell growth, while tumor suppressor genes act as safeguards, repairing DNA damage or triggering cell death. The balance between these genes maintains cellular homeostasis, and its disruption leads to cancer.<\/p>\n For RPSC Assistant Professor aspirants, this topic is part of Unit 10: Molecular Biology<\/strong> in the CSIR NET syllabus. Standard textbooks like Lehninger Principles of Biochemistry<\/em> and Genetics: From Genes to Genomes<\/em> by Hartl and Leland provide in-depth coverage of oncogenes and tumor suppressor genes<\/strong>.<\/p>\n Understanding oncogenes and tumor suppressor genes thoroughly is essential for tackling related exam questions with confidence.<\/p>\n Oncogenes are mutated or overexpressed versions of normal genes called proto-oncogenes. In their normal state, proto-oncogenes regulate cell growth and division. However, when altered, they become oncogenes and tumor suppressor genes<\/strong>\u2019 disruptors, driving tumorigenesis.<\/p>\n Examples of oncogenes include:<\/p>\n Many aspirants underestimate how often oncogenes and tumor suppressor genes appears across different question formats in these exams.<\/p>\n These examples highlight how oncogenes and tumor suppressor genes<\/strong> interact in cancer development. While oncogenes push cells toward division, tumor suppressor genes counteract this effect, creating a delicate balance.<\/p>\n Tumor suppressor genes are the body\u2019s built-in defense mechanism against cancer. They encode proteins that repair DNA damage, halt cell division, or induce apoptosis (programmed cell death). When these genes lose function due to mutations, cells with damaged DNA can survive and proliferate, leading to cancer.<\/p>\n Key examples of tumor suppressor genes include:<\/p>\n Oncogenes and Tumor suppressor genes crucial for RPSC Assistant Professor. Understanding their functions is essential for RPSC Assistant Professor aspirants.<\/p>\n","protected":false},"author":12,"featured_media":18691,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":"","_debug_hook_fired":"2026-07-21 23:49:57","rank_math_seo_score":0},"categories":[924],"tags":[2923,14859,14860,14861,14862,2922],"class_list":["post-18692","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-rpsc","tag-competitive-exams","tag-oncogenes-and-tumor-suppressor-genes-for-rpsc-assistant-professor","tag-oncogenes-and-tumor-suppressor-genes-for-rpsc-assistant-professor-notes","tag-oncogenes-and-tumor-suppressor-genes-for-rpsc-assistant-professor-questions","tag-oncogenes-and-tumor-suppressor-genes-for-rpsc-assistant-professor-tutorial","tag-vedprep","entry","has-media"],"acf":[],"rank_math_title":"Oncogenes and Tumor Suppressor Genes: 2024 Ultimate Guide","rank_math_description":"Oncogenes and tumor suppressor genes are critical for cancer biology. Master their roles, examples, and exam strategies for RPSC Assistant Professor with.","rank_math_focus_keyword":"oncogenes and tumor suppressor genes","_links":{"self":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/18692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/users\/12"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/comments?post=18692"}],"version-history":[{"count":1,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/18692\/revisions"}],"predecessor-version":[{"id":31123,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/posts\/18692\/revisions\/31123"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/media\/18691"}],"wp:attachment":[{"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/media?parent=18692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/categories?post=18692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vedprep.com\/exams\/wp-json\/wp\/v2\/tags?post=18692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}What Are Oncogenes? Key Functions and Examples<\/h2>\n
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HER2<\/code>: Overexpressed in breast cancer, leading to aggressive tumor growth.<\/li>\nKRAS<\/code>: Mutated in many cancers, including pancreatic and lung cancer, promoting uncontrolled proliferation.<\/li>\nc-MYC<\/code>: A transcription factor that, when overexpressed, accelerates cell cycle progression.<\/li>\n<\/ul>\nTumor Suppressor Genes: The Body\u2019s Natural Defense Against Cancer<\/h2>\n
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TP53<\/code>: Known as the
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