Oncogenic Viruses and Bacterial Carcinogens

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Questions and Answers

Qual virus oncogenic causa le leucemia/lymphoma de cellulas T umane?

Virus T-cell de leucemia umane (correct)
Virus herpes (HHV8)
Virus papiloma umane
Virus de Epstein-Barr

Qual de le sequente virus es connectate a carcinoma hepatocellular?

Virus de Epstein-Barr
Virus papiloma umane
Virus de hepatitis B e C (correct)
Virus T-cell de leucemia umane

Qual virus causa le sarcoma de Kaposi?

Virus papiloma umane
Virus T-cell de leucemia umane
Helicobacter pylori
Virus herpes (HHV8) (correct)

Qual virus oncogenic es responsable pro Burkitt lymphoma e Hodgkin lymphoma?

<p>Virus de Epstein-Barr (D)</p> Signup and view all the answers

Qual inflection bacteriana es associate con adenocarcinoma gastric?

<p>Helicobacter pylori (A)</p> Signup and view all the answers

Flashcards

Human T-cell Leukemia Virus

A type of retrovirus that can cause leukemia and lymphoma in humans, specifically affecting T cells.

Hepatitis B & C Viruses

These viruses can lead to liver inflammation and, over time, can increase the risk of developing liver cancer, specifically hepatocellular carcinoma.

Kaposi's Sarcoma-Associated Herpesvirus (HHV8)

A type of herpesvirus linked to Kaposi's sarcoma, a type of cancer that affects blood vessels.

Epstein-Barr Virus

A type of virus known to cause infectious mononucleosis and has been linked to certain cancers like Burkitt lymphoma and Hodgkin lymphoma.

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Helicobacter pylori

A bacterial infection that can cause gastritis, ulcers, and in some cases, an increased risk of developing stomach cancer, specifically adenocarcinoma.

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Study Notes

Oncogenic Viruses

Certain viruses can trigger cancer development.
RNA viruses associated with cancer include Human T-cell leukemia virus (HTLV-1), which causes adult T-cell leukemia/lymphoma.
DNA viruses associated with cancer include Epstein-Barr virus (EBV), which links to Burkitt lymphoma, Hodgkin lymphoma, nasopharyngeal & gastric carcinomas, and Primary CNS lymphoma in immunocompromised individuals.
Hepatitis B and C viruses (HBV and HCV) are linked to hepatocellular carcinoma, arising from liver cirrhosis.
Human papillomavirus (HPV) causes benign squamous papillomas (warts) and squamous cell carcinomas primarily in the cervix, but also in the vulva, vagina, penis, anus, and oral cavity.
Herpes virus type 8 (HHV8) is associated with Kaposi sarcoma.