Ezubere iji
Ngwa nyochamaka Prostate Specific Antigen (fluorescence immunochromatographic assay) bụ fluorescence immunochromatographic.
Nyocha maka nchọpụta quantitative nke Prostate Specific Antigen (PSA) n'ime ọbara mmadụ ma ọ bụ plasma, nke a na-ejikarị eme nchọpụta inyeaka nke ọrịa prostate. A ga-ejirịrị usoro ndị ọzọ kwadoro ihe nlele niile dị mma.Ebubere ule a maka
naanị ndị ọkachamara ahụike na-eji.
Nchịkọta
PSA (Prostate Specific Antigen) bụ ihe na-emepụta ma na-ezobe ya site na mkpụrụ ndụ epithelial prostate n'ime semen ma bụrụ otu n'ime ihe ndị bụ isi nke plasma seminal. Ọ nwere 237 amino acid residues na ịdị arọ ya dị ihe dị ka 34kD. Ọ nwere ọrụ serine protease nke otu yinye. glycoprotein, na-ekere òkè na usoro nke mmiri ara ehi.PSA n'ime ọbara bụ nchikota PSA na PSA jikọtara ọnụ.ọkwa plasma ọbara, na 4 ng/mL maka uru dị oke egwu, PSA na ọrịa kansa prostate Ⅰ ~ Ⅳ oge nke uche nke 63%, 71%, 81% na 88% n'otu n'otu.