Rare & Orphan Lab · DeCure for X

DeCure for COG4-congenital disorder of glycosylation

DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for COG4-congenital disorder of glycosylation — 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 module1 genesLead labRare & Orphan
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Rare & OrphanDOID:0070262$DeCureRare

The disease map

Disease moduleCOG4-congenital disorder of glycosylation 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 cog4-congenital disorder of glycosylation 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

component of oligomeric golgi complex 4 (COG4)COG4 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 apo structuredrag to rotate · scroll to zoom

RCSB Protein Data Bank · entry 3HR0 · 1.9 Å · ligand none (apo structure). Experimental structure, not a prediction.

What the evidence adds up to

No drug treatment is described for COG4-CDG or any COG-CDG in these abstracts. The 2021 review states that for congenital disorders of glycosylation generally, treatment options remain limited and are mostly symptomatic management of disease manifestations. The same review notes recent advances in therapies aimed at the causative defect and secondary manifestations have been transferred from bench to bedside, but gives no concrete drug names, survival figures, or response rates for any specific CDG.

The two COG6-CDG case reports describe severe presentations but no therapeutic intervention. The 2021 report of a Moroccan patient with a novel homozygous COG6 nonsense mutation lists common features — facial dysmorphism, growth retardation, microcephaly, developmental disability, liver or gastrointestinal disease, recurrent infections, hypohidrosis/hyperthermia — and adds disorder of sexual differentiation. The 2022 report describes a lethal neonatal case of Albanian origin with skin scaling and erosions, joint contractures, and a founder mutation previously seen in Greek, Bulgarian and Turkish individuals. Neither paper reports any drug trial or survival outcome beyond the natural history of the disease.

No abstract addresses COG4-CDG specifically. The 2021 review is a general overview that does not stratify by COG subunit. The two COG6 papers are genotype-phenotype reports, not treatment studies. What is missing for COG4-CDG is any published clinical trial, any preclinical drug testing in models, any patient registry with treatment data, and any financial support for drug development in this ultra-rare glycosylation disorder.

Evidence

Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.

Frontiers in Genetics · 2021 · 41 citations · open access

Treatment Options in Congenital Disorders of Glycosylation

AbstractDespite advances in the identification and diagnosis of congenital disorders of glycosylation (CDG), treatment options remain limited and are often constrained to symptomatic management of disease manifestations. However, recent years have seen significant advances in treatment and novel therapies aimed both at the causative defect and secondary disease manifestations have been transferred from bench to bedside. In this review, we aim to give a detailed overview of the available therapies and rising concepts to treat these ultra-rare diseases.

https://doi.org/10.3389/fgene.2021.735348
American Journal of Medical Genetics Part A · 2021 · 11 citations · open access

Disorder of sex development associated with a novel homozygous nonsense mutation in <scp><i>COG6</i></scp> expands the phenotypic spectrum of <scp>COG6‐CDG</scp>

AbstractCongenital disorders of glycosylation (CDG) are an expanding group of metabolic disorders that result from abnormal protein glycosylation. A special subgroup of CDG type II comprises defects in the Conserved Oligomeric Golgi Complex (COG). In order to further delineate the genotypic and phenotypic spectrum of COG complex defect, we describe a novel variant of COG6 gene found in homozygosity in a Moroccan patient with severe presentation of COG6-CDG (OMIM #614576). We compared the phenotype of our patient with other previously reported COG6-CDG cases. Common features in COG6-CDG are facial dysmorphism, growth retardation, microcephaly, developmental disability, liver or gastrointestinal disease, recurrent infections, hypohidrosis/hyperthermia. In addition to these phenotypic features, our patient exhibited a disorder of sexual differentiation, which has rarely been reported in COG6-CDG. We hypothesize that the severe COG6 gene mutation interferes with glycosylation of a disintegrin and metalloprotease family members, inhibiting the correct gonadal distal tip cells migration, fundamental for the genitalia morphogenesis. This report broadens the genetic and phenotypic spectrum of COG6-CDG and provides further supportive evidence that COG6-CDG can present as a disorder of sexual differentiation.

https://doi.org/10.1002/ajmg.a.62061
Pediatric Dermatology · 2022 · 6 citations

Lethal COG6‐CDG in neonatal patient with arachnodactyly, joint contractures, and skin manifestations: Founder mutation in the Southeastern European population?

AbstractHerein, we report a lethal case of the ultra-rare COG6-congenital disorder of glycosylation (CDG) presenting with skin manifestations (scaling and erosions) and joint contractures in a neonate of Albanian origin. The patient was homozygous for a COG6 pathogenic variant, previously reported in another three individuals of Greek, Bulgarian and Turkish descent. The presence of a founder mutation in the geographical area is possible. The index case emphasizes the need to consider CDGs in neonatal patients with skin manifestations and joint contractures, particularly patients of Southeastern European or West Asian origin.

https://doi.org/10.1111/pde.14922

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.