B cell receptor-induced phosphorylation of Pyk2 and focal adhesion kinase involves integrins and the Rap GTPases and is required for B cell spreading.

B 细胞受体诱导的 Pyk2 和粘着斑激酶的磷酸化涉及整合素和 Rap GTP 酶，是 B 细胞扩散所必需的