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Which type of cancer is associated with the presence of viral oncogenes?
- a)Lung cancer
- b)Breast cancer
- c)Liver cancer
- d)Cancer caused by chemical carcinogens
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Which type of cancer is associated with the presence of viral oncogene...
Understanding Viral Oncogenes and Cancer
Cancer can arise from various factors, and one significant contributor is the presence of viral oncogenes. These are genes that can transform normal cells into cancerous ones when introduced by certain viruses.
Association with Liver Cancer
- Liver cancer, particularly hepatocellular carcinoma (HCC), is strongly linked to viral oncogenes.
- The most notable viruses are Hepatitis B virus (HBV) and Hepatitis C virus (HCV).
- These viruses can integrate their genetic material into the host's DNA, leading to uncontrolled cell growth.
Mechanism of Action
- Viral oncogenes can disrupt normal cell regulatory mechanisms:
- They may inhibit tumor suppressor genes.
- They can activate proto-oncogenes that promote cell division.
- The chronic inflammation caused by these viruses also contributes to liver damage, which increases cancer risk.
Other Cancers and Viral Oncogenes
- While liver cancer is the most prominent example, other cancers can also be associated with viral oncogenes:
- Human Papillomavirus (HPV) is linked to cervical cancer.
- Epstein-Barr virus (EBV) is associated with certain lymphomas.
- However, the question specifically emphasizes liver cancer due to its direct association with viral oncogenesis.
Conclusion
In conclusion, liver cancer stands out as the type of cancer most commonly associated with viral oncogenes, particularly due to the significant roles of HBV and HCV. Understanding these connections is crucial for cancer prevention and treatment strategies.
Cancer can arise from various factors, and one significant contributor is the presence of viral oncogenes. These are genes that can transform normal cells into cancerous ones when introduced by certain viruses.
Association with Liver Cancer
- Liver cancer, particularly hepatocellular carcinoma (HCC), is strongly linked to viral oncogenes.
- The most notable viruses are Hepatitis B virus (HBV) and Hepatitis C virus (HCV).
- These viruses can integrate their genetic material into the host's DNA, leading to uncontrolled cell growth.
Mechanism of Action
- Viral oncogenes can disrupt normal cell regulatory mechanisms:
- They may inhibit tumor suppressor genes.
- They can activate proto-oncogenes that promote cell division.
- The chronic inflammation caused by these viruses also contributes to liver damage, which increases cancer risk.
Other Cancers and Viral Oncogenes
- While liver cancer is the most prominent example, other cancers can also be associated with viral oncogenes:
- Human Papillomavirus (HPV) is linked to cervical cancer.
- Epstein-Barr virus (EBV) is associated with certain lymphomas.
- However, the question specifically emphasizes liver cancer due to its direct association with viral oncogenesis.
Conclusion
In conclusion, liver cancer stands out as the type of cancer most commonly associated with viral oncogenes, particularly due to the significant roles of HBV and HCV. Understanding these connections is crucial for cancer prevention and treatment strategies.
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Community Answer
Which type of cancer is associated with the presence of viral oncogene...
Liver cancer can be associated with oncogenic viruses that carry viral oncogenes. These genes contribute to the transformation of normal cells into cancerous cells. Infected individuals may develop liver cancer due to these viral influences.
Topic in NCERT: Causes of cancer
Line in NCERT: "cancer causing viruses called oncogenic viruses have genes called viral oncogenes."
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Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer?.
Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer? for NEET 2025 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for NEET 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which type of cancer is associated with the presence of viral oncogenes?a)Lung cancerb)Breast cancerc)Liver cancerd)Cancer caused by chemical carcinogensCorrect answer is option 'C'. Can you explain this answer?.
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