CAS BI 203 Lecture Notes - Lecture 26: Cancer, Benign Tumor, Sarcoma
18 Jan 2020
School
Department
Course
Professor
Document Summary
Cancer cancer disease caused by uncontrolled cell proliferation common is is a disease of many tissues cancer cancer. Cancer is a disease resulting from breakdown of normal cell regulatory processes. A tumor initiation mutation leads to abnormal proliferation of a single tumor cell which grows into a population of clonal cells. B tumor progression additional mutations occur within cells of the i example development of colon tumor population a benign tumor. Malignant c metastatic tumor tumor carcinomas abnormal proliferation genes ceg proto oncogenes. A mutations in critical regulatory i mutations that occur during life a chemical. Radiation leg uv irradiation carcinogens ceos cigarette smoke ii chemicals that a ex estrogen links to breast g endometrial cancers increase cell proliferation as tumor promoters iii tumor viruses to 2090 human cancers. Ii studies of tumor viruses were key to our early understanding of cancers.
