Glaser B M, D'Amore P A, Michels R G, Patz A, Fenselau A
J Cell Biol. 1980 Feb;84(2):298-304. doi: 10.1083/jcb.84.2.298.
Vasoproliferative activity has been demonstrated in extracts of retinas from human, bovine, and feline sources. These retinal extracts are capable of stimulating (a) proliferation and thymidine uptake of bovine vascular endothelial cells in culture and (b) neovascularization on the chick chorioallantoic membrane. Extracts of skeletal muscle, cardiac muscle, and liver lack similar stimulatory activity. The activity is nondialyzable, stable at 56 degrees C, and inactivated at 100 degrees C. Retinal extracts stimulate the proliferation of corneal fibroblasts but have no effect on the proliferation of vascular smooth muscle cells. Indirect evidence suggests the liberation of a vasoproliferative factor from retina in several ocular disorders. The data in this report represent the first direct demonstration of vasoproliferative activity from mammalian retina.
已在源自人类、牛和猫的视网膜提取物中证实了血管增殖活性。这些视网膜提取物能够刺激:(a) 培养中的牛血管内皮细胞增殖和摄取胸苷,以及 (b) 鸡胚绒毛尿囊膜上的新血管形成。骨骼肌、心肌和肝脏的提取物缺乏类似的刺激活性。该活性不可透析,在56摄氏度时稳定,在100摄氏度时失活。视网膜提取物刺激角膜成纤维细胞的增殖,但对血管平滑肌细胞的增殖没有影响。间接证据表明,在几种眼部疾病中,视网膜会释放血管增殖因子。本报告中的数据首次直接证明了哺乳动物视网膜的血管增殖活性。