Steroid pharmacology ppt

Approximately 70% of all human genes are expressed in colorectal cancer, with just over 1% of having increased expression in colorectal cancer compared to other forms of cancer. [40] Some genes are oncogenes : they are overexpressed in colorectal cancer. For example, genes encoding the proteins KRAS , RAF , and PI3K , which normally stimulate the cell to divide in response to growth factors, can acquire mutations that result in over-activation of cell proliferation. The chronological order of mutations is sometimes important. If a previous APC mutation occurred, a primary KRAS mutation often progresses to cancer rather than a self-limiting hyperplastic or borderline lesion. [41] PTEN , a tumor suppressor, normally inhibits PI3K, but can sometimes become mutated and deactivated. [38]

Cystic fibrosis is a rare disease that affects about 30,000 people in the United is indicated for patients aged 2 and older who have one mutation in the CFTR gene that is responsive to drug treatment based on clinical and/or in vitro (laboratory) data. The expanded indication will affect another 3 percent of the cystic fibrosis population, impacting approximately 900 patients. Kalydeco serves as an example of how successful patient-focused drug development can provide greater understanding about a disease. For example, the Cystic Fibrosis Foundation maintains a 28,000-patient registry, including genetic data, which it makes available for research.

Steroid pharmacology ppt

steroid pharmacology ppt

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