Dermatology Lab · DeCure for X

DeCure for Oculocutaneous albinism type 4

DeCure's autonomous Dermatology AI scientist is researching a drug-repurposing hypothesis for oculocutaneous albinism type 4 — screening already-approved drugs against its 2-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.

Disease module2 genesLead labDermatology
All cures
DermatologyDOID:0070098$DeCureDerma

The disease map

Disease moduleOculocutaneous albinism type 4 maps to a 2-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 oculocutaneous albinism type 4 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

melanocyte inducing transcription factor (MITF)MITF 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 7D8S · 2.28 Å · ligand none (apo structure). Experimental structure, not a prediction.

What the evidence adds up to

Oculocutaneous albinism type 4 is not mentioned by name in any of the provided abstracts. The abstracts describe albinism as a group of hereditary disorders caused by mutations in genes that reduce melanin biosynthesis. As of a 2025 review, 22 genes have been identified across various forms of albinism. The most common types are OCA1 and OCA2, caused by mutations in the TYR and OCA2 genes respectively. In a 2015 study of four Chinese families, patients with OCA presented with milky skin, white or light brown hair, and nystagmus. Two novel mutations in the TYR gene were reported, and heterozygous carriers of certain TYR or OCA2 mutations had blond or brown hair and pale skin at birth, with pigment accumulating over time and with sun exposure, but no ocular disorders.

Hermansky-Pudlak syndrome (HPS), a rare autosomal recessive disorder that includes oculocutaneous albinism along with bleeding disorder and ceroid lipofuscinosis, is described in a 2010 report of four patients from two families. These patients showed a typical HPS phenotype, with the two older patients experiencing excessive bleeding after tooth extractions, recurrent epistaxis, and hematomas, while the two younger patients had only hematomas. Platelets from HPS patients lack dense (delta)-bodies, and flow cytometry confirmed absence of platelet delta-granule secretion. Three different HPS1 gene mutations were found, including a novel frameshift mutation.

A 2023 review states that there is no specific treatment for albinism; only palliative therapy such as vision correction and recommendations for sun protection are used. A 2025 review repeats that current management remains supportive, though it notes that emerging therapies including gene-based interventions and repurposed pharmaceuticals show promise in preclinical studies. No concrete survival or response rate data are given for any treatment in any of the abstracts, and no drug is named as being repurposed for oculocutaneous albinism type 4.

What is still missing is any clinical trial data for a drug specifically targeting OCA4, any patient stratification by OCA4 genotype, and funding to move preclinical findings into human studies. The abstracts do not provide evidence that any pharmaceutical intervention alters the course of the disease.

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 Pediatrics · 1999 · 37 citations

Albinism

AbstractAlbinism was one of the first genetic diseases to be noted in humans, but until relatively recently, little was known of the molecular mechanisms involved in its pathogenesis. Recent advances have shown us that mutations in at least seven different genes can cause a reduction in melanin pigment biosynthesis, producing the various associated clinical features associated with albinism, including hypopigmentation of the skin, hair, and eyes; optic track misrouting; foveal hypoplasia; and reduced visual acuity. Analysis of mutations in these seven genes has revealed that the phenotypic spectrum associated with albinism is broad, making molecular analysis an important part in the accurate diagnosis of this disease.

https://doi.org/10.1097/00008480-199912000-00016
PLoS ONE · 2015 · 18 citations · open access

Mutational Analysis of the TYR and OCA2 Genes in Four Chinese Families with Oculocutaneous Albinism

AbstractBACKGROUND: Oculocutaneous albinism (OCA) is an autosomal recessive disorder. The most common type OCA1 and OCA2 are caused by homozygous or compound heterozygous mutations in the tyrosinase gene (TYR) and OCA2 gene, respectively. OBJECTIVE: The purpose of this study was to evaluate the molecular basis of oculocutaneous albinism in four Chinese families. PATIENTS AND METHODS: Four non-consanguineous OCA families were included in the study. The TYR and OCA2 genes of all individuals were amplified by polymerase chain reaction (PCR), sequenced and compared with a reference database. RESULTS: Four patients with a diagnosis of oculocutaneous albinism, presented with milky skin, white or light brown hair and nystagmus. Genetic analyses demonstrated that patient A was compound heterozygous for c.1037-7T.A, c.1037-10_11delTT and c.1114delG mutations in the TYR gene; patient B was heterozygous for c.593C>T and c.1426A>G mutations in the OCA2 gene, patients C and D were compound heterozygous mutations in the TYR gene (c.549_550delGT and c.896G>A, c.832C>T and c.985T>C, respectively). The heterozygous c.549_550delGT and c.1114delG alleles in the TYR gene were two novel mutations. Interestingly, heterozygous members in these pedigrees who carried c.1114delG mutations in the TYR gene or c.1426A>G mutations in the OCA2 gene presented with blond or brown hair and pale skin, but no ocular disorders when they were born; the skin of these patients accumulated pigment over time and with sun exposure. CONCLUSION: This study expands the mutation spectrum of oculocutaneous albinism. It is the first time, to the best of our knowledge, to report that c.549_550delGT and c.1114delG mutations in the TYR gene were associated with OCA. The two mutations (c.1114delG in the TYR gene and c.1426A>G in the OCA2 gene) may be responsible for partial clinical manifestations of OCA.

https://doi.org/10.1371/journal.pone.0125651
Klinische Pädiatrie · 2010 · 14 citations

Compound Heterozygous Mutations in 2 Siblings with Hermansky-Pudlak Syndrome Type 1 (HPS1)

AbstractBACKGROUND: Hermansky-Pudlak syndrome (HPS) is a rare autosomal recessive disorder causing oculocutaneous albinism, bleeding disorder and ceroid lipofuscinosis. Platelets from HPS patients are characterized by the absence of dense (delta)-bodies. There are eight known human HPS GENES (HPS1-HPS8), each leading to a particular clinical HPS subtype. Restrictive lung disease, granulomatous colitis and cardiomyopathy have been described in HPS1 patients. PATIENTS: We identified HPS1 in Russian and in German siblings. All four patients show a typical HPS phenotype. The two older Russian patients demonstrate excessive bleeding after tooth extractions, recurrent epistaxis and hematomas. The two younger German patients suffer only from hematomas, so far. METHODS/RESULTS: Patients' platelets showed severe pathological agglutination/aggregation. Flow cytometry analysis demonstrated absence of platelet delta-granule secretion. Three different mutations in the HPS1 gene were found in the two families. Two mutations, p.H119delC and p.Q397delC identified in the Russian siblings had been previously described. The German siblings presented with a novel frameshift mutation (p.Q32_S33delCAGT) and the known p.Q397delC mutation. CONCLUSION: Patients with oculocutaneous albinism should be investigated for increased clinical bleeding symptoms. In case of increased bleeding symptoms, analyses of primary hemostasis should be initiated to confirm HPS. Molecular genetic investigations should be performed to distinguish the different subtypes of HPS which is important for therapy and prognosis.

https://doi.org/10.1055/s-0030-1249628
Zenodo (CERN European Organization for Nuclear Research) · 2023 · 0 citations · open access

ALBINISM DISEASE - CLASSIFICATION, DIAGNOSIS, SYMPTOMS AND TREATMENT MEASURES

AbstractAlbinism is a group of hereditary pathologies characterized by a violation or complete absence of skin, hair, eye pigmentation. The main symptoms of the disease are very pale skin and hair, blue or red eyes, and in some cases, vision impairment. The diagnosis of albinism is made based on the current condition of the patient, as well as genetic tests. To date, there is no specific treatment for albinism, palliative therapy (correction of vision) is used, and there are a number of recommendations for patients to behave in the sun, protect the skin and reduce the likelihood of complications

https://doi.org/10.5281/zenodo.8012179
Zenodo (CERN European Organization for Nuclear Research) · 2025 · 0 citations · open access

ALBINISM- A CONGENITAL DISORDER

AbstractABSTRACT Background: Albinism encompasses a group of inherited disorders characterized by reduced or absent melanin biosynthesis, affecting approximately 1 in 20,000 individuals worldwide with significant variability across geographical regions. These conditions present substantial clinical challenges and impact quality of life. Objective: This review aims to synthesize current understanding of albinism's genetic mechanisms, clinical manifestations, diagnostic approaches, available treatments, and emerging therapeutic strategies to provide a comprehensive framework for clinicians and researchers. Methods: A systematic literature search was conducted using PubMed, EMBASE, and Web of Science databases for articles published between 2000-2024, using keywords including "albinism," "oculocutaneous albinism," "ocular albinism," "melanin biosynthesis," "tyrosinase," and "albinism treatment." Studies were selected based on relevance, methodological rigor, and contribution to understanding albinism pathophysiology or treatment. Results: Recent advances have expanded understanding of albinism's genetic basis, with 22 genes now identified across various forms. Comprehensive phenotypic characterization has refined diagnostic approaches, while emerging therapies including gene-based interventions and repurposed pharmaceuticals show promise in preclinical studies. Conclusion: Albinism represents a paradigm for understanding melanin biology and neurodevelopmental visual pathways. While current management remains supportive, emerging molecular-based therapies may offer disease-modifying potential. Multidisciplinary approaches and increased awareness are essential to address both medical and psychosocial aspects of these conditions.

https://doi.org/10.5281/zenodo.15056699
Zenodo (CERN European Organization for Nuclear Research) · 2025 · 0 citations · open access

ALBINISM- A CONGENITAL DISORDER

AbstractABSTRACT Background: Albinism encompasses a group of inherited disorders characterized by reduced or absent melanin biosynthesis, affecting approximately 1 in 20,000 individuals worldwide with significant variability across geographical regions. These conditions present substantial clinical challenges and impact quality of life. Objective: This review aims to synthesize current understanding of albinism's genetic mechanisms, clinical manifestations, diagnostic approaches, available treatments, and emerging therapeutic strategies to provide a comprehensive framework for clinicians and researchers. Methods: A systematic literature search was conducted using PubMed, EMBASE, and Web of Science databases for articles published between 2000-2024, using keywords including "albinism," "oculocutaneous albinism," "ocular albinism," "melanin biosynthesis," "tyrosinase," and "albinism treatment." Studies were selected based on relevance, methodological rigor, and contribution to understanding albinism pathophysiology or treatment. Results: Recent advances have expanded understanding of albinism's genetic basis, with 22 genes now identified across various forms. Comprehensive phenotypic characterization has refined diagnostic approaches, while emerging therapies including gene-based interventions and repurposed pharmaceuticals show promise in preclinical studies. Conclusion: Albinism represents a paradigm for understanding melanin biology and neurodevelopmental visual pathways. While current management remains supportive, emerging molecular-based therapies may offer disease-modifying potential. Multidisciplinary approaches and increased awareness are essential to address both medical and psychosocial aspects of these conditions.

https://doi.org/10.5281/zenodo.15056700

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.