Rare & Orphan Lab · DeCure for X

DeCure for Epithelial basement membrane dystrophy

DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for epithelial basement membrane dystrophy — screening already-approved drugs against its 4-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.

Disease module4 genesLead labRare & Orphan
All cures
Rare & OrphanDOID:0060447$DeCureRare

The disease map

Disease moduleEpithelial basement membrane dystrophy maps to a 4-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 epithelial basement membrane dystrophy 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

transcription factor 4 (TCF4)TCF4 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 6OD3 · 1.494 Å · ligand none (apo structure). Experimental structure, not a prediction.

What the evidence adds up to

The provided abstracts do not contain any study of a drug for epithelial basement membrane dystrophy. One abstract on posterior polymorphous corneal dystrophy notes that one subject had coassociated epithelial basement membrane dystrophy, but no treatment was tested. The remaining abstracts discuss the dystrophin complex in muscle disease, a TAT-utrophin protein therapy tested in mdx mice, and general reviews of basement membrane biology. No drug, intervention, or clinical trial data for epithelial basement membrane dystrophy appear in any of these papers.

In the mouse study, TAT-micro-utrophin injections reduced serum creatine kinase from 11,290 U/L to 5,950 U/L, lowered centrally nucleated fibres from 54% to 37%, and improved specific force from 9.7 to 12.8 N/cm². These results apply only to dystrophin-deficient skeletal muscle, not to corneal basement membrane disease. The 1997 editorial on basement membrane synthesis and degradation is a general commentary with no specific drug or disease data.

What is missing for epithelial basement membrane dystrophy is any clinical trial, any tested drug, any patient outcome data, and any animal model study specific to that condition. No abstract provides a rationale for repurposing any compound to this corneal dystrophy.

Evidence

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

Comprehensive physiology · 2015 · 467 citations · open access

The Dystrophin Complex: Structure, Function, and Implications for Therapy

AbstractThe dystrophin complex stabilizes the plasma membrane of striated muscle cells. Loss of function mutations in the genes encoding dystrophin, or the associated proteins, trigger instability of the plasma membrane, and myofiber loss. Mutations in dystrophin have been extensively cataloged, providing remarkable structure-function correlation between predicted protein structure and clinical outcomes. These data have highlighted dystrophin regions necessary for in vivo function and fueled the design of viral vectors and now, exon skipping approaches for use in dystrophin restoration therapies. However, dystrophin restoration is likely more complex, owing to the role of the dystrophin complex as a broad cytoskeletal integrator. This review will focus on dystrophin restoration, with emphasis on the regions of dystrophin essential for interacting with its associated proteins and discuss the structural implications of these approaches.

https://doi.org/10.1002/cphy.c140048
PLoS Medicine · 2009 · 89 citations · open access

Functional Substitution by TAT-Utrophin in Dystrophin-Deficient Mice

AbstractBACKGROUND: The loss of dystrophin compromises muscle cell membrane stability and causes Duchenne muscular dystrophy and/or various forms of cardiomyopathy. Increased expression of the dystrophin homolog utrophin by gene delivery or pharmacologic up-regulation has been demonstrated to restore membrane integrity and improve the phenotype in the dystrophin-deficient mdx mouse. However, the lack of a viable therapy in humans predicates the need to explore alternative methods to combat dystrophin deficiency. We investigated whether systemic administration of recombinant full-length utrophin (Utr) or DeltaR4-21 "micro" utrophin (muUtr) protein modified with the cell-penetrating TAT protein transduction domain could attenuate the phenotype of mdx mice. METHODS AND FINDINGS: Recombinant TAT-Utr and TAT-muUtr proteins were expressed using the baculovirus system and purified using FLAG-affinity chromatography. Age-matched mdx mice received six twice-weekly intraperitoneal injections of either recombinant protein or PBS. Three days after the final injection, mice were analyzed for several phenotypic parameters of dystrophin deficiency. Injected TAT-muUtr transduced all tissues examined, integrated with members of the dystrophin complex, reduced serum levels of creatine kinase (11,290+/-920 U versus 5,950+/-1,120 U; PBS versus TAT), the prevalence of muscle degeneration/regeneration (54%+/-5% versus 37%+/-4% of centrally nucleated fibers; PBS versus TAT), the susceptibility to eccentric contraction-induced force drop (72%+/-5% versus 40%+/-8% drop; PBS versus TAT), and increased specific force production (9.7+/-1.1 N/cm(2) versus 12.8+/-0.9 N/cm(2); PBS versus TAT). CONCLUSIONS: These results are, to our knowledge, the first to establish the efficacy and feasibility of TAT-utrophin-based constructs as a novel direct protein-replacement therapy for the treatment of skeletal and cardiac muscle diseases caused by loss of dystrophin.

https://doi.org/10.1371/journal.pmed.1000083
Cornea · 2013 · 20 citations

In Vivo Confocal Microscopic Findings in Posterior Polymorphous Corneal Dystrophy

AbstractPURPOSE: To describe the corneal findings in posterior polymorphous corneal dystrophy (PPCD) as imaged with laser scanning in vivo confocal microscopy (IVCM). METHODS: IVCM images of 7 subjects with PPCD who had typical slit-lamp biomicroscopic findings of endothelial vesicular, band, and/or placoid lesions were evaluated. RESULTS: Five women and 2 men aged 7 to 64 years were included in this study. Laser scanning IVCM (Heidelberg Retina Tomograph II, Rostock Cornea Module) revealed hyporeflective, round, vesicular lesions with diameters ranging between 20 and 200 µm in 3 subjects, combined vesicular and curvilinear hyperreflective band-like lesions in 3 subjects, and combined vesicular and placoid hyperreflective lesions in 1 subject at the level of Descemet membrane (DM), endothelial cell layer, and posterior stroma adjacent to DM. One subject had coassociated epithelial basement membrane dystrophy. Additional findings included posterior stromal keratocytes with elongated spindle-like nucleus, giant and nucleated endothelial cells, endothelial deposits, and guttae-like dark spots. The mean endothelial cell density was 1485.7 ± 486.3 cells per square millimeter (range, 990-2365 cells/mm). The mean central corneal thickness was 585.3 ± 37.17 μm (range, 534-643 μm). CONCLUSIONS: Laser scanning IVCM is able to highlight the characteristic microstructural alterations at the level of endothelium and DM in the setting of PPCD and may have diagnostic utility in equivocal cases with borderline biomicroscopic findings. The possible association of PPCD with epithelial basement membrane dystrophy warrants further investigation.

https://doi.org/10.1097/ico.0b013e31828e324d
The Journal of Pathology · 1997 · 2 citations · open access

Editorial: Basement Membrane Synthesis and Degradation

AbstractThe biological importance of complex interactions between cells and extracellular matrix has become widely recognized. For normal epithelial cells, contact with the matrix is limited to the basement membrane. Our understanding of the composition and assembly of basement membranes is increasing, as is our understanding of the mechanisms by which synthesis and degradation of basement membranes are controlled. Basement membrane abnormalities may result from disease and may cause disease. Papers in this edition of the Journal of Pathology discuss changes in basement membrane composition in disease, and add yet another link to the many connections between basement membranes, fibrosis and the control of cell proliferation. © 1997 by John Wiley & Sons, Ltd.

https://doi.org/10.1002/(sici)1096-9896(199709)183:1<1::aid-path1096>3.3.co;2-e
The Journal of Pathology · 2007 · 1 citations

Strategy in a restructured industry environment: the case of electricity generation firms

AbstractThe biological importance of complex interactions between cells and extracellular matrix has become widely recognized. For normal epithelial cells, contact with the matrix is limited to the basement membrane. Our understanding of the composition and assembly of basement membranes is increasing, as is our understanding of the mechanisms by which synthesis and degradation of basement membranes are controlled. Basement membrane abnormalities may result from disease and may cause disease. Papers in this edition of the Journal of Pathology discuss changes in basement membrane composition in disease, and add yet another link to the many connections between basement membranes, fibrosis and the control of cell proliferation.

https://doi.org/10.1002/(sici)1096-9896(199709)183:1<1::aid-path1096>3.0.co;2-n

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.