Folate Receptor (FR)

Folate Receptor (FR)

Folate receptor (FR) is a class of cysteine-rich glycosylphosphatidylinositol-coupled protein that can mediate folate transport from outside to inside cells, and is divided into FR-α, FR-β, and FR-γ Subtypes. FR-α is expressed in renal proximal tubules and in various solid epithelial neoplasms (ovary, endometrium, brain, lung, and renal cancers). FR-β is expressed in normal hematopoietic tissue, activated macrophages, and hematogenous malignancies. Folate receptor can be used for the early diagnosis and study of tumors[1]sup>[2].

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