DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for Treacher Collins syndrome 4 — 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 moduleTreacher Collins syndrome 4 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 treacher collins syndrome 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.
What the evidence adds up to
A synonymous mutation in TCOF1, c.3612A>C, caused Treacher Collins syndrome in one patient by inducing mis-splicing that deleted exon 22, leading to haploinsufficiency. A previously reported mutation, c.122C>T (predicting p.A41V), was found in the same family but segregated with normal phenotypes in multiple members, showing it was not pathogenic. The study of 20 unoperated patients aged 5 to 17 years (mean 8.8 years) with Treacher Collins syndrome found decreased anterior, posterior, and total cranial base lengths, a reduced cranial base angle, a deficient and posteriorly positioned maxilla, decreased anterior and posterior facial heights, increased lower face height, and decreased total face height. The mandible was small in body length and total length, with deficient ramus width, increased mandibular plane and gonial angles, and retropositioning. A novel nonsense mutation 2731C>T (Arg911Stop) in TCOF1 was identified in a patient with classic Treacher Collins syndrome plus documented craniosynostosis, choanal atresia, and esophageal regurgitation.
One patient with Treacher Collins syndrome reported on his long-term treatment experiences, describing a heavy burden of care from birth into adulthood involving multiple specialists. The report emphasised that multidisciplinary team members have opportunities to provide enhanced patient-centred care and support, and that increased awareness of psychosocial challenges is needed. In approximately 96% of probands, the diagnosis is confirmed by molecular genetic tests detecting heterozygous mutations in TCOF1 or POLR1D (autosomal dominant), or biallelic variants in POLR1C or POLR1D (autosomal recessive).
No drug treatment for Treacher Collins syndrome is mentioned in any of these abstracts. What remains missing is any clinical trial testing a pharmacological intervention, any evidence of drug efficacy in altering the craniofacial phenotype, and any patient stratification beyond genetic mutation type. The literature describes only surgical management, genetic diagnosis, and skeletal measurement.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
American Journal of Medical Genetics Part A · 2009 · 37 citations
A synonymous mutation in <i>TCOF1</i> causes Treacher Collins syndrome due to mis‐splicing of a constitutive exon
AbstractInterpretation of the pathogenicity of sequence alterations in disease-associated genes is challenging. This is especially true for novel alterations that lack obvious functional consequences. We report here on a patient with Treacher Collins syndrome (TCS) found to carry a previously reported mutation, c.122C > T, which predicts p.A41V, and a novel synonymous mutation, c.3612A > C. Pedigree analysis showed that the c.122C > T mutation segregated with normal phenotypes in multiple family members while the c.3612A > C was de novo in the patient. Analysis of TCOF1 RNA in lymphocytes showed a transcript missing exon 22. These results show that TCS in the patient is due to haploinsufficiency of TCOF1 caused by the synonymous de novo c.3612A > C mutation. This study highlights the importance of clinical and pedigree evaluation in the interpretation of known and novel sequence alterations.
Journal of Craniofacial Surgery · 2013 · 36 citations
Cephalometric Assessment of Craniofacial Morphology in Patients With Treacher Collins Syndrome
AbstractBACKGROUND AND PURPOSE: Treacher Collins syndrome is an autosomal dominant craniofacial disorder affecting derivatives of the first and second branchial arches. Given the conflicting reports in the literature regarding the extent of anterior-posterior and vertical (superior-inferior) dysplasia of the cranial base, maxilla, and mandible, this study was designed to provide a comprehensive lateral cephalometric assessment of the craniofacial morphology of unoperated patients with Treacher Collins syndrome. METHODS: The records of 45 patients with Treacher Collins syndrome registered at the Institute of Reconstructive Plastic Surgery of the NYU Langone Medical Center from the period of 1975 to 2008 were reviewed. Inclusion criteria included (1) patients between with the ages of 5 and 17 years, (2) no history of prior surgical intervention to correct skeletal deformity, and (3) diagnostic quality lateral cephalograms. Twenty patients satisfied the inclusion criteria with 12 male and 8 female patients in the sample and a mean age at the time of the lateral cephalogram of 8.8 years (range 5.2 to 16.7 years). Thirty angular and linear variables were measured to assess anterior-posterior and vertical (superior-inferior) position of the cranial base, maxilla, and mandible. Each patient's measurements were compared to age-matched and sex-matched control samples derived from the Moyers growth studies. The mean and standard deviation for each variable was then determined. RESULTS: Lateral cephalometric analysis showed decreased anterior, posterior, and total cranial base lengths and a reduced cranial base angle. The anteroposterior dimension or length of the maxilla is deficient and the maxilla is positioned posteriorly with respect to the cranial base. Both anterior and posterior facial heights (superior-inferior dimension) are decreased. Lower face height is increased, whereas total face is decreased. The maxillary and functional occlusal planes are tipped upwards posteriorly. The mandibular morphology is characteristically small in both body length and total mandibular length, and the maximum ramus width is also deficient. The mandibular plane angle and gonial angle are increased. The mandible is retropositioned. CONCLUSIONS: A lateral cephalometric analysis is described that provides a skeletal basis for the hallmark clinical findings associated with Treacher Collins syndrome. This is of importance because an understanding of the underlying skeletal dysmorphology may shed light on the etiology and growth pattern, and impacts the overall treatment planning for skeletal correction.
American Journal of Medical Genetics Part A · 2004 · 14 citations
Treacher Collins syndrome with craniosynostosis, choanal atresia, and esophageal regurgitation caused by a novel nonsense mutation in <i>TCOF1</i>
AbstractTreacher Collins syndrome (TCS) is caused by mutations in TCOF1 of the nonsense, small deletion, and small insertion types, which most likely result in haploinsufficiency. We report a novel de novo nonsense mutation 2731C --> T, resulting in Arg911Stop, which truncates the protein. Our patient had the classic findings of TCS, but with documented craniosynostosis, choanal atresia, and esophageal regurgitation.
BMJ Case Reports · 2021 · 5 citations · open access
Long-term treatment outcomes from a patient’s perspective with Treacher Collins syndrome
AbstractThe management of patients with Treacher Collins Syndrome (TCS) is complex and involves many different specialists within multidisciplinary teams (MDT). The treatment pathway extends from birth well into adulthood and is associated with a heavy burden of care. Due to the extensive nature of the interaction with these patients, MDT members have opportunities to provide enhanced patient-centred care and support.This case report provides an overview of the current knowledge of the aetiology of TCS, the management of these patients and provides a unique perspective from one of the coauthors who has TCS and reports on his treatment experiences and long-term treatment outcomes. By having a better understanding of the impact of TCS and treatment provided, MDT members can not only provide improved clinical treatment but also offer improved patient experiences for those with craniofacial anomalies in particular an increased awareness of the psychosocial challenges they endure.
DOAJ (DOAJ: Directory of Open Access Journals) · 2019 · 0 citations · open access
Genetic Investigation and Clinical Aspects in a Romanian Treacher Collins Syndrome Family – A Case Report
AbstractIntroduction: In approximately 96% of probands, the diagnosis of Treacher Collins Syndrome (TCS) is confirmed by molecular genetic tests. These tests can detect heterozygous mutation of TCOF1 gene (coding treacle protein) and variants of POLR1D gene (coding RNA polymerase I subunit D) with autosomal dominant inheritance, or biallelic variants of POLR1C gene (coding RNA polymerase I subunit C) and POLR1D with autosomal recessive inheritance.
Journal of Evidence Based Medicine and Healthcare · 2016 · 0 citations · open access
TREACHER COLLINS SYNDROME: A CASE REPORT
AbstractBACKGROUND \nTreacher Collins Syndrome is a congenital disorder of craniofacial development of the head and neck region. This is a case \nreport of a patient who presented in our outpatient department with complaints of severe hearing loss, deformed face, external \nears and malaligned teeth. With further evaluation, a diagnosis of Treacher Collins syndrome was made.
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.
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