. . . . . . . . . . . . "[CXCR4 was found to be highly expressed in hu/SCID tumors; surface expression of CXCR4 was prevalently limited to a tumor cell subset poorly expressing CD23, whereas the CXCR4 ligand, CXCL12, was predominantly expressed by the tumor subpopulation expressing CD23.]. Sentence from MEDLINE/PubMed, a database of the U.S. National Library of Medicine."@en . . . . . "2014-02-25"^^ . . "Gene-disease associations inferred from text-mining the literature."@en . "DisGeNET evidence - LITERATURE"@en . "2014-10-02T12:41:00+02:00"^^ . . . . . . . . . . . "v2.1.0.0" . "v2.1.0" .