GCNF (Germ Cell nuclear Factor) is a member of nuclear receptor superfamily and also an orphanreceptor.
属于核受体超家族成员，是一个孤儿受体。
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Receptor tyrosine kinase-like orphanreceptor-1 (ROR1) is expressed on sub-populations of B-cell malignancies and solid tumors, but not by healthy B cells or normal postpartum tissues.