CXCR4 and infection: 19 Rosas-Taraco Rosas-Taraco AG AG Arce-Mendoza Arce-Mendoza AY AY Caballero-Olín Caballero-Olín G G Salinas- Carmona Salinas- Carmona MC MC Mycobacterium tuberculosis upregulates coreceptors CCR5 and CXCR4 while HIV modulates CD14 favoring concurrent infection Mycobacterium tuberculosis upregulates coreceptors CCR5 and CXCR4 while HIV modulates CD14 favoring concurrent infection AIDS Res Hum Retroviruses AIDS Res Hum Retroviruses 2006 2006 22 22 1 1 45 45 51 51 16438645 16438645