DeCure for Combined immunodeficiency due to CD3gamma deficiency
DeCure's autonomous Immuno AI scientist is researching a drug-repurposing hypothesis for combined immunodeficiency due to CD3gamma deficiency — screening already-approved drugs against its 1-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.
Disease moduleCombined immunodeficiency due to CD3gamma deficiency maps to a 1-gene Open Targets module — the target space DeCure's AI scientist screens approved drugs against.
DeCure.ai methodSignature reversal (LINCS) plus network proximity (STRING) rank already-approved drugs likely to perturb this module — the same engine that produces DeCure.ai's repurposing hypotheses.
Repurposing thesisScreening approved medicines against this disease module, then publishing the evidence for the strongest candidate. Known pharmacology and human exposure data make the first question sharper — they do not establish safety or efficacy in a new indication.
Research record
01
ResearchComing soon
Candidate research + dossier — target rationale, drug-repurposing thesis and evidence pack.proof: Published dossier + on-chain hash
02
ValidationComing soon
In-vitro biological validation at a contract research org (CRO).proof: CRO contract + in-vitro report
03
Peer review & paperComing soon
Peer-reviewed paper published open-access (preprint + journal).proof: DOI + open-access link + on-chain hash
Current lead
No approved-drug candidate for combined immunodeficiency due to cd3gamma deficiency is corroborated in the literature DeepSearch retrieved. Some conditions are managed with non-pharmacological care — a device, surgery or physical therapy — rather than a medicine; that may be the case here, or the literature we found may simply be too sparse yet to support a drug-repurposing angle.
Molecular view
CD3 gamma subunit of T-cell receptor complex (CD3G) — CD3G is one of the genes genetically linked to this disease in Open Targets — shown as context, not as a drug target we're pursuing: no approved-drug candidate for this disease is yet corroborated in the literature we found.
Loading structure…
helix sheet y01drag to rotate · scroll to zoom
RCSB Protein Data Bank · entry 8ES8 · 2.65 Å · ligand CHOLESTEROL HEMISUCCINATE (Y01). Experimental structure, not a prediction.
What the evidence adds up to
CD3G deficiency causes a partial T-cell immunodeficiency, distinct from the severe combined immunodeficiency seen with CD3D or CD3E mutations. The block in T-cell development in CD3D and CD3E deficiency occurs at the transition between double-negative and double-positive thymocytes, whereas CD3G deficiency results in a less severe phenotype. No treatment trials specific to CD3G deficiency are reported in these abstracts.
One abstract describes eight children with autoimmune cytopenias complicating various immune deficiencies, including combined immunodeficiency, treated with rituximab. Responses occurred for 90% of treatments, but relapse rates after a median of 53 weeks were 78%. The abstract does not specify whether any of the eight children had CD3G deficiency, and no data on CD3G-deficient patients treated with rituximab are provided.
A separate abstract on HIV infection discusses immune-based therapies including cytokines, immunosuppressants, and therapeutic immunizations, but states that to date there has been little evidence of clinical efficacy for these strategies. No data on CD3G deficiency appear in that abstract.
What is still missing is any clinical trial data, patient stratification, or funding directed specifically at CD3G deficiency. No drug has been tested in a controlled study for this condition.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
Current Opinion in Allergy and Clinical Immunology · 2005 · 67 citations
CD3 deficiencies
AbstractPURPOSE OF REVIEW: The molecular characterization of inherited T-cell immunodeficiencies has contributed to delineating key factors in human T-cell development. This review reports on the recent description of deleterious mutations in the genes encoding CD3 subunits expressed at the T-lymphocyte membrane in association with the T-cell receptor. RECENT FINDINGS: Homozygous mutations in CD3D and CD3E genes lead to a complete block in T-cell development and thus to an early-onset severe combined immunodeficiency phenotype. Thymic studies have shown that the defect in T-cell development occurs at the transition between 'double-negative' and 'double-positive' thymocytes. These results contrast with the partial T-cell immunodeficiency caused by a deficiency in CD3G. SUMMARY: Two new severe combined immunodeficiency conditions have been reported as a consequence of either CD3D or CD3E deficiency. The distinct phenotype of CD3G deficiency sheds light on the differential roles of CD3 subunits in T-lymphocyte development.
British Journal of Haematology · 2007 · 41 citations
Rituximab for the treatment of autoimmune cytopenias in children with immune deficiency
AbstractAutoimmune cytopenias are well recognised in patients with primary immune deficiency, but treatment may be difficult. We report eight children with autoimmune cytopenias (autoimmune haemolytic anaemia, autoimmune thrombocytopenia, autoimmune neutropenia) complicating immune deficiency states (common variable immunodeficiency, Wiskott-Aldrich Syndrome, autoimmune lymphoproliferative syndrome, combined immunodeficiency) treated with between 1 and 3 courses of rituximab (anti-CD20). Responses occurred for 90% of treatments but relapse rates (after a median of 53 weeks) were high (78%). We conclude that rituximab is an effective treatment for autoimmune cytopenias in children with immune deficiencies, but repeated courses of treatment may be needed.
Immunopathogenesis of Human Immunodeficiency Virus: Implications for Immune‐Based Therapies
AbstractHuman immunodeficiency virus (HIV) infection leads to a state of CD4 lymphopenia and generalized immune activation with subsequent development of opportunistic infections and neoplasms. The use of highly active antiretroviral treatment has dramatically improved the clinical outcome for HIV-infected patients, but the associated cost and toxicity and the eventual development of drug resistance have underscored the need for additional therapeutic strategies. Immune-based therapies, such as treatment with cytokines or immunosuppressants, adoptive immunotherapy, and therapeutic immunizations, are being intensely investigated as potential supplements to antiretroviral therapy. Although much data have been generated as a result of these efforts, to date there has been little evidence of the clinical efficacy of these strategies. Randomized clinical studies remain critical in evaluating the clinical significance and the role of immune-based therapies in the therapeutic armamentarium against HIV.
Disease module: DeepOracle (Open Targets). Structures: RDKit from PubChem SMILES. Literature: retrieved by DeepSearch across 234,678,978 indexed works (targeted per-candidate search), resolved on OpenAlex.
DeCure is a research and publication project, not medical advice and not a treatment. "DeCure for X" describes a research goal, not a claim that a cure exists. Backing a cure is a contribution to fund the research — it is not an investment, and confers no yield, royalty, equity or IP ownership. Papers are published open-access by the DeCure.ai DAO.
