DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for frontonasal dysplasia — screening already-approved drugs against its 3-gene Open Targets disease module to publish open-access research. Research is fast; the path to publication is funded in milestone stages.
Disease moduleFrontonasal dysplasia maps to a 3-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 frontonasal dysplasia 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
ALX homeobox 4 (ALX4) — ALX4 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 9D9R · 2.389 Å · ligand none (apo structure). Experimental structure, not a prediction.
What the evidence adds up to
Frontonasal dysplasia is a rare congenital malformation of the midface, and no drug treatment is described in any of these reports. The condition is defined by variable combinations of hypertelorism, median nasal groove, and nasal tip absence, and can occur with or without other birth defects. One 1987 report describes three children with frontonasal dysplasia and tetralogy of Fallot, the first association of the facial anomaly with a cardiac defect; all three had true hypertelorism and a median nasal groove, and none had mental deficiency. A 2017 case report from a developing nation notes a full-term male baby with features of frontonasal dysplasia whose defects were not compatible with survival, and the authors highlight the handicap in management due to lack of finances, surgical correction, education, and social support. A 2014 case report from Nigeria similarly emphasises management difficulty in a resource-limited setting.
The genetics of frontonasal dysplasia are heterogeneous. A 1993 report describes a Bahamian family with a mother, two of her children, and the mother's brother showing variable manifestations; the mother had extremely mild expression, while her brother and two sons were more severely affected, and the pedigree was consistent with autosomal or X-linked dominant inheritance. A 2013 report identifies a novel ALX4 mutation (c.1080-1089_delGACCCGGTGCinsCTAAGATCTCAACAGAGATGGCAACT, p.Asp326fsX21) in a family with vertical transmission from mother to son of a mild frontonasal phenotype; this is the first report of a frontonasal phenotype related to a heterozygous mutation in ALX4, and the authors speculate a dominant-negative effect. A 2021 retrospective study of 89 frontonasal dysplasia cases found that 13 had ALX-related forms: 8 with ALX1-related FND3, 3 with ALX3-related FND1, and 2 with ALX4-related FND2. The ALX1 phenotype involves eye involvement plus hypertelorism, facial clefts, and nasal deformities; ALX3 shows a widened philtrum and prominent philtral columns; ALX4 has more severe deformities including severe hypertelorism, brachycephaly, large parietal bone defects, broad nasal dorsum, and alopecia.
All management described is surgical. The 2021 study proposes systematic surgical treatment based on genotypic classification: facial bipartition, box osteotomies, eyelid coloboma repair, cleft lip and palate repair, nasal reconstruction, and fronto-orbital advancement, depending on subtype. No medical therapy is mentioned in any abstract. What is still missing is any pharmacological intervention, prospective trials of any kind, and even basic epidemiological data on incidence and natural history in unselected populations. The condition remains a surgical challenge, and in resource-limited settings the gap in access to surgical care, education, and social support is the primary unmet need.
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 · 1993 · 43 citations
Frontonasal dysplasia in two successive generations
AbstractFrontonasal dysplasia is thought to be a sporadic condition limited to the face and head. We describe a family from the Bahamas in which a mother, 2 of her children, and the mother's brother have variable manifestations of frontonasal dysplasia. The mother has extremely mild expression, but her brother and 2 sons are more severely affected. Besides polydactyly no other birth defects were noted in any other relatives. The pedigree is consistent with autosomal or X-linked dominant inheritance. A description of each patient is presented along with a discussion of the genetic counseling issues and review of the literature for other possibly familial cases of frontonasal dysplasia.
American Journal of Medical Genetics Part A · 2013 · 31 citations
Vertical transmission of a frontonasal phenotype caused by a novel <i>ALX4</i> mutation
AbstractFrontonasal dysplasias (FND) comprise a spectrum of disorders caused by abnormal median facial development. Its etiology is still poorly understood but recently frontonasal dysplasia phenotypes were linked to loss-of-function mutations in the ALX homeobox gene family, which comprises the ALX1, ALX3, and ALX4 genes. All ALX-related frontonasal phenotypes till date had been compatible with an autosomal recessive mode of inheritance. In contrast, heterozygous loss-of-function mutations in ALX4 had been only associated with isolated symmetrical parietal ossification defects at the intersection of the sagittal and lambdoid sutures, known as enlarged parietal foramina. We report a family with vertical transmission from mother to son of mild frontonasal dysplasia phenotype caused by a novel ALX4 gene mutation (c.1080-1089_delGACCCGGTGCinsCTAAGATCTCAACAGAGATGGCAACT, p.Asp326fsX21).This is the first report of a frontonasal phenotype related to a heterozygous mutation in ALX4. This mutation is predicted to cause the loss of the aristaless domain in the C-terminal region of the protein and preserves the homeodomain. We speculate that a different mechanism, a dominant-negative effect, is responsible for the distinct phenotype in this family.
Journal of Medical Genetics · 1987 · 27 citations · open access
Frontonasal dysplasia associated with tetralogy of Fallot.
AbstractThree children with frontonasal dysplasia associated with tetralogy of Fallot are reported. All cases had true hypertelorism and a median nasal groove with absence of the nasal tip. There was no mental deficiency. The facial anomaly is a sporadic, non-genetic interference of the normal development of the face. This is the first report of frontonasal dysplasia associated with a cardiac defect. Multifactorial inheritance of this syndrome is proposed.
International Journal of Research in Medical Sciences · 2017 · 2 citations · open access
Frontonasal dysplasia- a rare case report
AbstractFrontonasal dysplasia (FND) is a rare malformative complex affecting the frontal portion of the face, the eyes and the nose; it may occur singly or associated with other clinical signs. We report here a rare case of a full-term male baby who presented with features of FND. There was no history of consanguinity, no positive family history. Antenatal ultrasonography was normal. Though this baby did not survive because the defects were not compatible for the survival. But the developing nations still have handicap in the management of such cases in term of fiancés, surgical correction of such major defects, education and social support in these patients.
Nigerian Journal of Paediatrics · 2014 · 2 citations · open access
Frontonasal dysplasia Sequence : A case report
AbstractFrontonasal dysplasia (FND) is a very rare congenital abnormality in which the mid face does not develop normally. It affects mainly the head and face. Cause is unknown but may be sporadic or familial. We report a rare case of a full term baby who presented with classical features of FND in Maiduguri, Nigeria. Management difficulty in resource limited setting is highlighted.Key words: Dysmorphism, Frontonasaldysplasia, Neonate.
Sage Journals Data · 2021 · 0 citations · open access
<i>ALX</i>-Related Frontonasal Dysplasias: Clinical Characteristics and Surgical Management
AbstractAim:The term frontonasal dysplasia (FND) represents a spectrum of anomalies and its genetics have not been well defined. Recently, the critical role of the aristaless-like homeobox (<i>ALX</i>) gene family on the craniofacial development has been discovered. In the present study, we aimed to propose a systematic surgical treatment plan for the <i>ALX</i>-related FNDs according to the genotypic classification as well as demonstrating their clinical characteristics to help surgeons diagnose the underlying pathology accurately.Design:Single-institution retrospective.Setting:Tertiary health care.Patients and Methods:Eighty-nine FND cases were evaluated. Eight of them had <i>ALX1</i>-related FND3, 3 had <i>ALX3</i>-related FND1, and 2 had <i>ALX4</i>-related FND2. Phenotype characteristics of <i>ALX</i>-related FNDs were evaluated, and relevant surgical interventions were assessed.Results:The <i>ALX1</i>-related FND3 phenotype is striking due to the involvement of the eyes in addition to the presence of hypertelorism, facial clefts, and nasal deformities. A widened philtrum and prominent philtral columns are remarkable features of the <i>ALX3</i>-related FND1, whereas the <i>ALX4</i>-related FND2 has more severe deformities: severe hypertelorism, brachycephaly, large parietal bone defects, broad nasal dorsum, and alopecia. Facial bipartition, box osteotomies, eyelid coloboma repair, cleft lip and palate repair, nasal reconstruction, and fronto-orbital advancement can be performed in <i>ALX</i>-related FNDs based on the characteristics of each subtype.Conclusions:This genetic classification system will help surgeon diagnose patients with FND with unique features and draw a roadmap for their treatment with a better surgical perspective.
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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