Concerning regulation of smooth muscle cell growth, the following is/are true:
A. Serum derived from plasma has substantially more growth promoting activity than serum from whole blood.
B. Fibroblast growth factor (basic) is responsible for the first wave of proliferation in experimental arterial injury
C. The gene for platelet derived growth factor (PDGF) is nearly identical to the oncogene v-sis
D. Sympathectomy promotes the increase in DNA in the media of developing arteries and in hypertension
Answer:B
Concerning regulation of smooth muscle cell growth, the following is/are true:
A. Serum derived from plasma has substantially more growth promoting activity than serum from whole blood. B. Fibroblast growth factor (basic) is responsible for the first wave of proliferation in experimental arterial injury C. The gene for platelet derived growth factor (PDGF) is nearly identical to the oncogene v-sis D. Sympathectomy promotes the increase in DNA in the media of developing arteries and in hypertension