DeCure's autonomous Dermatology AI scientist is researching a drug-repurposing hypothesis for vesiculobullous skin disease — 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 moduleVesiculobullous skin disease 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 vesiculobullous skin disease 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
In a 2014 Indian study of 33 cases, pemphigus group diseases made up the single largest group at 22 cases (66.66%), with most subjects (51.55%) in their third and fourth decades. A 2025 prospective cross-sectional study of 56 patients found the most commonly affected age group was 21–30 years (23.2%), with a slight male predominance (53.6%) and the trunk the most frequent site (41%). Clinically, pemphigus vulgaris was most common (23.2%), followed by bullous pemphigoid (12.5%) and Stevens–Johnson syndrome (12.5%). Histopathology showed intraepidermal blisters as the most frequent pattern (35.7%). Direct immunofluorescence (DIF) showed granular IgG and C3 positivity in pemphigus vulgaris and linear IgG/C3 deposition along the dermoepidermal junction in bullous pemphigoid.
A second 2025 study from a tertiary care hospital in Chhattisgarh examined 84 cases over two years, comprising 32 males and 52 females (ratio 1:1.6), with patients aged 22 to 73 years and the highest incidence in the 31–40-year age group (42 cases). The mean patient age was 38 years. Pemphigus vulgaris was again the most frequent diagnosis (42 cases), followed by pemphigus foliaceus (24 cases). Bullous pemphigoid was seen in seven cases, erythema multiforme in three, and rare conditions such as epidermolysis bullosa acquisita, subepidermal bullous lesions, lichen planus pemphigoid, and Darier disease in two cases each. The authors noted a limitation: lack of immunofluorescence at their centre and single-institute data.
A 1983 paper warned that using clinical, histologic, or immunologic methods alone to diagnose vesiculobullous diseases is fraught with limitations, and that all three methods together, plus careful consideration of clinical history including response to therapy and biologic course, are essential. A 2019 chapter on paediatric vesiculobullous lesions described them as a diagnostic challenge and recommended a diagnostic algorithm to differentiate benign from life-threatening blistering disorders. The 2014 study concluded that punch biopsy is a simple, inexpensive, safe OPD procedure causing minimal discomfort and no scarring, and that clinical examination together with histopathological examination helps arrive at a correct diagnosis.
What is still missing is the integration of DIF in routine practice, particularly in centres where it is unavailable, and prospective studies that include immunofluorescence and larger, multi-institutional datasets. No trial designs or patient stratification strategies have been tested to improve diagnostic accuracy beyond the current clinicopathological correlation approach.
Evidence
Retrieved by DeepSearch across 234,678,978 indexed works and resolved on OpenAlex — ranked by citations, including the results that did not work.
International Journal of Medical Science and Public Health · 2014 · 9 citations
Histopathological study of vesiculobullous lesions of the skin; A study at tertiary care hospital
AbstractBackground: Vesicles and bullae are fluid filled cavities formed within or beneath the epidermis. They may occur in many dermatosis, which include various inflammatory, infective, autoimmune, drug induced as well as genetic conditions. Diagnosis of vesiculobullous diseases are often challenging on histopathology examination through clinical examination often required for correct diagnosis of it.
Aims & Objective: To study histopathological changes by light microscopy in vesiculobullous disorder of the skin and to correlate clinical and histopathological aspects of vesiculobullous disorder of the skin.
Materials and Methods: Histopathological study of vesiculobullous lesions of skin of 33 cases was carried out on skin biopsies were sent in 10% formalin to histopathology section. It was kept for 24 hours in 10% formalin for proper fixation, subsequently dehydration, clearing, embedding in paraffin wax were carried out. Blocks were made, sections of 3μm thickness were cut and stained with Harris Haematoxylin and Eosin stain and observed microscopically.
Results: In the present study 33 cases of vesiculo-bullous lesions of the skin were diagnosed histopathologically. Pemphigus group of diseases comprises the single largest group of 22 cases (66.66%) observed. the maximum numbers of subjects (51.55%) were in 3rd and 4th decades.
Conclusion: Punch biopsy is a simple, inexpensive, safe OPD procedure, causing minimal discomfort to the patient and no scarring. Clinical examination along with histopathological examination of skin both together help to arrive at correct diagnosis of diseases.
American Journal of Dermatopathology · 1983 · 5 citations
Limitations in the diagnosis of vesiculobullous diseases
AbstractStudy of vesiculobullous skin diseases by either clinical, histologic, or immunologic methods alone in an effort to make a specific diagnosis is fraught with limitations. Not only is it essential that all three methods be employed together in the endeavor to come to a specific diagnosis, but it is equally important that clinical history, including response to therapy and biologic course, be considered carefully.
Harper's Textbook of Pediatric Dermatology · 2019 · 1 citations
Differential Diagnosis of Vesiculobullous Lesions
AbstractVesiculobullous lesions in the paediatric population may be the primary manifestation of several diseases, including those with a genetic, autoimmune, inflammatory, infectious, metabolic, drug-related or traumatic aetiology. They represent a diagnostic challenge for the dermatologist and paediatrician alike. This chapter will discuss a diagnostic algorithm on which to base your learning of vesiculobullous disease in a paediatric setting and the necessary investigations to assist in diagnosis. This will help you to differentiate the benign from the life-threatening blistering disorders.
Student s Journal of Health Research Africa · 2025 · 0 citations · open access
Clinico-pathological spectrum of vesiculobullous diseases: A prospective cross-sectional study.
AbstractBackground:Vesiculobullous lesions are a heterogeneous group of disorders characterized by fluid-filled cutaneous lesions of varied etiology, including autoimmune, genetic, drug-induced, and infectious causes. Due to overlapping clinical presentations, diagnosis based on clinical features alone is challenging. Histopathology and direct immunofluorescence (DIF) are crucial adjuncts, enhancing accuracy, guiding therapy, and informing prognosis. Objectives: To evaluate the histopathological features of vesiculobullous skin disorders, correlate them with clinical findings, and assess the utility of DIF in achieving a definitive diagnosis. Additional objectives were to classify lesions by age, sex, and distribution. Methods: This prospective cross-sectional study was conducted in the Department of Pathology, D.Y. Patil School of Medicine, Navi Mumbai. A minimum of 50 clinically suspected cases were enrolled; 56 were analyzed. Clinical history, dermatological examination, and punch biopsies were performed. Routine histopathology was supplemented with DIF in selected cases. Data were analyzed using descriptive statistics. Results: The most commonly affected age group was 21–30 years (23.2%). A slight male predominance was noted (53.6%), with a male-to-female ratio of 1:0.87. The trunk was the most frequent site (41%). Clinically, pemphigus vulgaris was most common (23.2%), followed by bullous pemphigoid (12.5%) and Stevens–Johnson syndrome (12.5%). Histopathology revealed intraepidermal blisters as the most frequent pattern (35.7%). DIF showed granular IgG and C3 positivity in pemphigus vulgaris and linear IgG/C3 deposition along the dermoepidermal junction in bullous pemphigoid. Conclusion: Clinical features alone are insufficient for accurate categorization of vesiculobullous lesions. Histopathology remains the gold standard, while DIF provides valuable confirmation when findings are inconclusive. Integrating these approaches ensures precise diagnosis, timely treatment, and better prognostic guidance, particularly in autoimmune bullous diseases. Recommendations: Routine biopsies with clinicopathological correlation should be emphasized. DIF should be integrated whenever feasible, with improved accessibility and clinician–pathologist collaboration to optimize patient outcomes.
MGM Journal of Medical Sciences · 2025 · 0 citations · open access
A histopathological study of vesiculobullous skin lesions in a tertiary care hospital in Chhattisgarh, India
AbstractAbstract Background: Vesiculobullous skin lesions (VBLs) encompass a heterogeneous group of dermatological disorders, each with distinct clinical and pathological characteristics. Skin punch biopsy remains a fundamental diagnostic tool in evaluating these lesions. Histopathological examination is vital in confirming the diagnosis, guiding targeted therapy, and improving clinical outcomes. Aims and Objectives: To analyze the histopathological features, distribution patterns, and clinicopathological correlations of VBLs over 2 years. Materials and Methods: This study was conducted in the Department of Pathology between June 2022 and May 2024. It included all skin punch biopsies received from patients of all age groups presenting with vesiculobullous lesions during the study period. Results: A total of 84 cases were examined, comprising 32 males and 52 females, with a male-to-female ratio of 1:1.6. Patients were aged 22 to 73 years, with the highest incidence observed in the 31–40-year age group (42 cases). The mean patient age was 38 years. Pemphigus vulgaris (PV) was the most frequently diagnosed condition, accounting for 42 cases, followed by pemphigus foliaceus accounting for 24 cases. Bullous pemphigoid was seen in seven cases, while erythema multiforme accounted for three cases. Rare conditions such as epidermolysis bullosa acquisita, subepidermal bullous lesions, lichen planus pemphigoid, and Darier disease were identified in two cases. Conclusion: The study highlighted a slight female predominance among patients with VBLs, with the 31–40-year age group most commonly affected. The extremities were the most frequent site of involvement. PV emerged as the predominant vesiculobullous disorder in this cohort. The limitation of our study includes the lack of immunofluorescence in our center and single-institute data.
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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