title: Hormonemate, a new cytotoxic and apoptosis-inducing compound from the endophytic fungus Hormonema dematioides. I. Identification of the producing strain, and isolation and biological properties of hormonemate.
abstract: In a search for new fungal compounds inducing apoptosis of the colon cancer derived cell line COLO-320, hormonemate (1) was purified from fermentations of an endophytic fungus isolated from living needles of a Pinus species. The producing strain was identified as Hormonema dematioides by microscopy and ITS rDNA sequence analysis. The structure of hormonemate was determined by spectroscopic methods. The compound exhibited cytotoxic effects against the human colon tumor cell lines COLO-320, DLD-1 and HT-29 as well as five other human cell lines (HL-60, JURKAT, HEP-G2, MCF-7, HeLa S3). It also induced apoptosis in COLO-320 cells as detected by a caspase-activity assay and morphological changes, and it triggered morphological and physiological differentiation of HL-60 cells into granulocytes, which subsequently died by apoptosis.
authors.affiliation: Institute of Biotechnology and Drug Research (IBWF e. V.), Erwin-Schrödinger-Str. 56, D-67663 Kaiserslautern, Germany.
authors.forename: Patrick
authors.initials: P
authors.lastname: Filip
authors.forename: Roland W S
authors.initials: RW
authors.lastname: Weber
authors.forename: Olov
authors.initials: O
authors.lastname: Sterner
authors.forename: Timm
authors.initials: T
authors.lastname: Anke
mesh_terms: D000900:Anti-Bacterial Agents / Q000737:chemistry* / Q000494:pharmacology / Q000633:toxicity*; D000972:Antineoplastic Agents, Phytogenic / Q000737:chemistry* / Q000494:pharmacology / Q000633:toxicity*; D017209:Apoptosis / Q000187:drug effects*; D001487:Basidiomycota / Q000737:chemistry* / Q000302:isolation & purification; D002470:Cell Survival / Q000187:drug effects*; D003110:Colonic Neoplasms; D004305:Dose-Response Relationship, Drug; D004952:Esters / Q000737:chemistry / Q000302:isolation & purification* / Q000633:toxicity*; D018922:HL-60 Cells; D006367:HeLa Cells; D006801:Humans; D019169:Jurkat Cells; D008958:Models, Molecular; D015394:Molecular Structure; D028223:Pinus / Q000382:microbiology*; D014407:Tumor Cells, Cultured
chemical_list: D000900:Anti-Bacterial Agents; D000972:Antineoplastic Agents, Phytogenic; D004952:Esters; C478007:hormonemate