PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 29258357-3 2019 Penicillixanthone A (PXA), a natural xanthone dimer from jellyfish-derived fungus Aspergillus fumigates, displayed potent anti-HIV-1 activity by inhibiting infection against CCR5-tropic HIV-1 SF162 and CXCR4-tropic HIV-1 NL4-3, with IC50 of 0.36 and 0.26 muM, respectively. xanthone 9-17 C-X-C motif chemokine receptor 4 Homo sapiens 202-207 25034231-5 2014 This xanthone down-regulates the expression of CXCR4 on MM cells in a dose- and time-dependent manner. xanthone 5-13 C-X-C motif chemokine receptor 4 Homo sapiens 47-52