mlh1 mutations and the formation of hereditary non-polyposis colon cancer(lynch syndrome)

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MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome) Kevin Harris

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MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome). Kevin Harris. Some Families are Predisposed to Colon Cancer. What Genes Cause HNPCC?. MLH1 Encodes a DNA Mismatch Repair Protein. Meiotic Pachytene Arrest is Observed in MLH1-Deficient Mice. - PowerPoint PPT Presentation

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Page 1: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon

Cancer(Lynch Syndrome)Kevin Harris

Page 2: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Some Families are Predisposed to Colon Cancer

Page 3: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

What Genes Cause HNPCC?

Page 4: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

MLH1 Encodes a DNA Mismatch Repair Protein

Page 5: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Meiotic Pachytene Arrest is Observed in MLH1-Deficient Mice

Page 6: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

MLH1 Mutants Lack MLH1 Protein and Make Many Replication Errors

Page 7: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Molecular Markers Confirm MLH1 Mutations in HNPCC Patients

Page 8: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Familial Non-Polyposis Colon Cancer (Lynch Syndrome) Leads to Other Cancers

Page 9: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Polyps Come in Many Forms

FAP HNPCC

Page 10: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

With HNPCC Additional Screening Visits are Necessary

Page 11: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

A Preemptive Strike Against Cancer

Page 12: MLH1 Mutations and the Formation of Hereditary Non-Polyposis Colon Cancer(Lynch Syndrome)

Sources

http://www.hopkins-gi.org/GDL_Disease.aspxhttps://humana-portal.dnadirect.com/content/physician-site/hereditary-nonpolyposis-colorectal-cancer/index.htmlhttp://www.sciencedirect.com/science/article/pii/S1471491402023596Edelmann, Winfried. "Meiotic Pachytene Arrest in MLH1-Deficient Mice." Cell 85.7 (1996): 1125-134. Print.Pena-Diaz, Javier, and Josef Jiricny. "Mammalian Mismatch Repair: Error Free or Error Prone." Trends in Biochemical Sciences 37.5 (2012): 206-14. Print.http://www.cancernetwork.com/display/article/10165/106278http://www.gastrolab.net/ng030.htmhttp://www.ajronline.org/content/186/6/1611.figures-onlyhttp://my.clevelandclinic.org/disorders/inherited_colon_cancer/dd_hnpcc.aspxhttp://www.gen.vcu.edu/GRADUATE/GeneticCounseling