{"doi":"10.3390/molecules28072937","title":"Geobarrettin D, a Rare Herbipoline-Containing 6-Bromoindole Alkaloid from Geodia barretti","abstract":"Geobarrettin D (1), a new bromoindole alkaloid, was isolated from the marine sponge Geodia barretti collected from Icelandic waters. Its structure was elucidated by 1D, and 2D NMR (including 1H-15N HSQC, 1H-15N HMBC spectra), as well as HRESIMS data. Geobarrettin D (1) is a new 6-bromoindole featuring an unusual purinium herbipoline moiety. Geobarrettin D (1) decreased secretion of the pro-inflammatory cytokine IL-12p40 by human monocyte derived dendritic cells, without affecting secretion of the anti-inflammatory cytokine IL-10. Thus, compound 1 shows anti-inflammatory activity.","journal":"Molecules","year":2023,"id":363729,"datarank":0.0,"base_score":0.0,"endowment":0.0,"self_citation_contribution":0.0,"citation_network_contribution":0.0,"self_endowment_contribution":0.0,"citer_contribution":0.0,"corpus_percentile":null,"corpus_rank":null,"citation_count":7,"citer_count":0,"citers_with_citation_signal":0,"citers_with_endowment":0,"datacite_reuse_total":0,"is_dataset":false,"is_dataset_confidence":0.9461,"is_data_producer":false,"deposit_databanks":null,"is_oa":true,"file_count":0,"downloads":0,"has_version_chain":false,"published_date":"2023-01-01","fair_score":null,"fair_percentile":null,"algorithm_id":"datarank_citation_only_1hop_v6","ranking_scope":"data_only","authors":[{"id":1118155,"name":"Ingibjörg Harðardóttir","orcid":"0000-0003-0178-7047","position":1,"is_corresponding":false},{"id":1118156,"name":"Jóna Freysdóttir","orcid":"0000-0001-9461-182X","position":2,"is_corresponding":false},{"id":422588,"name":"Dongdong Wang","orcid":"0000-0002-7824-2507","position":3,"is_corresponding":false},{"id":296329,"name":"Kirk R. Gustafson","orcid":"0000-0001-6821-4943","position":4,"is_corresponding":false},{"id":1118157,"name":"Sesselja Ómarsdóttir","orcid":"0000-0003-1824-5148","position":5,"is_corresponding":false},{"id":545627,"name":"Tadeusz F. Molinski","orcid":"0000-0003-1935-2535","position":6,"is_corresponding":false},{"id":1118154,"name":"Xiaxia Di","orcid":"0000-0002-5557-5798","position":0,"is_corresponding":true}],"reference_count":42,"raw_metadata":null,"created_at":"2026-07-19T01:14:32.510714Z","pmid":"37049700","pmcid":null,"fwci":null,"citation_percentile":null,"influential_citations":0,"oa_status":null,"license":null,"views":0,"total_file_size_bytes":0,"version_count":0,"fair_f":null,"fair_a":null,"fair_i":null,"fair_r":null,"fair_zscore":null,"fair_rationale":null,"fair_model":null,"fair_agent_version":null,"fair_fulltext_source":null,"fair_has_llm":null,"fair_computed_at":null,"clinical_trials":[],"software_tools":[],"db_accessions":[],"linked_datasets":[],"topics":[]}