DeCure's autonomous Rare AI scientist is researching a drug-repurposing hypothesis for kyphomelic dysplasia — 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 moduleKyphomelic dysplasia 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 kyphomelic 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.
What the evidence adds up to
Kyphomelic dysplasia is a rare, recessively inherited generalised skeletal dysplasia. About 15 cases had been described in the literature by 2000, and a 2001 review covered 19 previously reported patients. The condition is characterised by disproportionate dwarfism, marked angulation of the femora, bowing and shortening of other long bones, a narrow chest, flared ribs, metaphyseal flaring, 11 ribs, and platyspondyly. A 1989 report of a boy followed for three years stressed a good prognosis for motor and intellectual development and described an association with cleft lip and palate for the first time. A 2001 report described in utero ultrasound appearances in a 22-week male fetus.
In 2024, two unrelated consanguineous families with six affected offspring were studied. Three probands all had short stature, cleft palate, and micro-retrognathia. Radiographs showed kyphomelic femora, bowing of long bones, radial head dislocations, and mild platyspondyly (or spondyloepimetaphyseal dysplasia in the second abstract). Exome sequencing identified two novel homozygous variants in CCN2: a missense variant c.443G>A; p.(Cys148Tyr) in exon 3 and a frameshift variant c.779_786del; p.(Pro260LeufsTer7) in exon 5. CCN2 is known to be crucial for chondrocyte proliferation and differentiation. Ccn2-deficient mice show twisted limbs, short and kinked sterna, broad vertebrae, domed cranial vault, shorter mandibles, cleft palate, and impaired osteoclastogenesis. CRISPR-Cas9 knockout of ccn2a in zebrafish produced altered body curvature, impaired craniofacial cartilage formation, and bent or missing tails. The authors concluded that biallelic loss-of-function variants in CCN2 cause an autosomal recessive form of kyphomelic dysplasia, noting that de novo variants in KIF5B had recently been discovered in other cases.
No drug treatment is mentioned in any of these abstracts. What remains missing is any therapy or clinical trial for kyphomelic dysplasia, as well as a full understanding of the condition's genetic heterogeneity — the 2024 papers identify CCN2 in two families but do not account for all cases. No patient stratification by genotype has been attempted, and no funding for natural history studies or preclinical work on CCN2 or KIF5B pathways is described.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
Clinical Genetics · 2000 · 25 citations
Kyphomelic dysplasia: a rare form of semilethal skeletal dysplasia
AbstractKyphomelic dysplasia is a rare form of generalized skeletal dysplasia with about 15 cases described so far in the literature. We present the clinical, radiological, and pathological findings of an antenatally detected female fetus affected with this disorder. The differential diagnoses of prenatal and perinatal semilethal skeletal dysplasias and salient features of documented cases of kyphomelic dysplasia are presented.
Journal of Medical Genetics · 1989 · 18 citations · open access
Kyphomelic dysplasia.
AbstractA case of kyphomelic dysplasia is reported in a boy followed up over three years. The most striking feature of this recessively inherited generalised bone dysplasia is marked angulation of the femora, associated with short stature, bowing and shortening of other long bones, metaphyseal changes in infancy, flared ribs, small thoracic cage, and platyspondyly. The good prognosis regarding motor and intellectual development in this condition is stressed and the association with cleft lip and palate is described for the first time.
European Journal of Human Genetics · 2024 · 4 citations · open access
Biallelic variants in CCN2 underlie an autosomal recessive kyphomelic dysplasia
AbstractKyphomelic dysplasia is a rare heterogenous group of skeletal dysplasia, characterized by bowing of the limbs, severely affecting femora with distinct facial features. Despite its first description nearly four decades ago, the precise molecular basis of this condition remained elusive until the recent discovery of de novo variants in the KIF5B-related kyphomelic dysplasia. We ascertained two unrelated consanguineous families with kyphomelic dysplasia. They had six affected offsprings and we performed a detailed clinical evaluation, skeletal survey, and exome sequencing in three probands. All the probands had short stature, cleft palate, and micro-retrognathia. Radiographs revealed kyphomelic femora, bowing of long bones, radial head dislocations and mild platyspondyly. We noted two novel homozygous variants in CCN2 as possible candidates that segregated with the phenotype in the families: a missense variant c.443G>A; p.(Cys148Tyr) in exon 3 and a frameshift variant, c.779_786del; p.(Pro260LeufsTer7) in exon 5. CCN2 is crucial for proliferation and differentiation of chondrocytes. Earlier studies have shown that Ccn2-deficient mice exhibit twisted limbs, short and kinked sterna, broad vertebrae, domed cranial vault, shorter mandibles, and cleft palate. We studied the impact of CCN2 knockout in zebrafish models via CRISPR-Cas9 gene editing. F0 knockouts of ccn2a in zebrafish showed altered body curvature, impaired cartilage formation in craniofacial region and either bent or missing tails. Our observations in humans and zebrafish combined with previously described skeletal phenotype of Ccn2 knock out mice, confirm that biallelic loss of function variants in CCN2 result in an autosomal recessive kyphomelic dysplasia.
Biallelic Variants in <i>CCN2</i> Underlie an Autosomal Recessive Kyphomelic Dysplasia
AbstractAbstract Kyphomelic dysplasia is a rare heterogenous group of skeletal dysplasia, characterized by bowing of the limbs, severely affecting femora with distinct facial features. Despite its first description nearly four decades, the precise molecular basis of this condition remained elusive until the recent discovery of de novo variants in the KIF5B-related kyphomelic dysplasia. We ascertained two unrelated consanguineous families with kyphomelic dysplasia. They had six affected offsprings and we performed a detailed clinical evaluation, skeletal survey, and exome sequencing in three probands. All the probands had short stature, cleft palate, and micro-retrognathia. Radiographs revealed kyphomelic femora, bowing of long bones, radial head dislocations and spondyloepimetaphyseal dysplasia. We noted two novel homozygous variants in CCN2 as possible candidates that segregated with the phenotype in the families: a missense variant c.443G>A; p.(Cys148Tyr) in exon 3 and a frameshift variant, c.779_786del; p.(Pro260LeufsTer7) in exon 5. CCN2 is crucial for proliferation and differentiation of chondrocytes. Earlier studies have shown that Ccn2 -deficient mice exhibit twisted limbs, short and kinked sterna, broad vertebrae, domed cranial vault, shorter mandibles, cleft palate and impaired osteoclastogenesis. We studied the impact of CCN2 knockout in zebrafish models via CRISPR-Cas9 gene editing. F0 knockouts of ccn2a in zebrafish showed altered body curvature, impaired cartilage formation in craniofacial region and either bent or missing tails recapitulating the human phenotype. Our observations in humans and zebrafish combined with previously described skeletal phenotype of Ccn2 knock out mice, confirm that biallelic loss of function variants in CCN2 result in an autosomal recessive kyphomelic dysplasia.
Effects of the present financial crisis on academic departments of obstetrics and gynaecology
AbstractA case of kyphomelic dysplasia is reported in a boy followed up over three years. The most striking feature of this recessively inherited generalised bone dysplasia is marked angulation of the femora, associated with short stature, bowing and shortening of other long bones, metaphyseal changes in infancy, flared ribs, small thoracic cage, and platyspondyly. The good prognosis regarding motor and intellectual development in this condition is stressed and the association with cleft lip and palate is described for the first time.
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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