GCNF (Germ Cell nuclear Factor) is a member of nuclear receptor superfamily and also an orphan receptor.

属于核受体超家族成员，是一个孤儿受体。

Receptor tyrosine kinase-like orphan receptor-1 (ROR1) is expressed on sub-populations of B-cell malignancies and solid tumors, but not by healthy B cells or normal postpartum tissues.

受体酪氨酸激酶样孤儿受体1（ROR1）是在B-细胞恶性肿瘤和实体瘤亚群上表达的，但不在健康B细胞或正常产后组织中表达。