Thrombospondin 4
protein-coding gene in the species Homo sapiens
Thrombospondin-4 is a protein that in humans is encoded by the THBS4 gene.
The protein encoded by this gene belongs to the thrombospondin protein family. Thrombospondin family members are adhesive glycoproteins that mediate cell-to-cell and cell-to-matrix interactions. This protein forms a pentamer and can bind to heparin and calcium. This protein may be involved in local signaling in the developing and adult nervous system, in bone formation and fracture healing, and in osteoarthritis.
Begin with the source’s own compact description: “Thrombospondin 4” is protein-coding gene in the species Homo sapiens. The dossier treats that line as a proposition to test through Thrombospondin, protein-coding and gene, not as a finished interpretation.
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The phrase “protein-coding gene in the species Homo sapiens” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.
Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 16, 2025. The linked authority identifier is Q18031981. None of the 0 selected statements returned an explicit reference.
Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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This entry incorporates text from “Thrombospondin 4” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.