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Features include always present findings: Delayed eruption of primary teeth, Intention tremor, Microcephaly, and Eruption failure and others; and common findings: Large forehead, Femur fracture, Short stature, and Narrow mouth and others.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Bones and joints | 3 | Femur fracture, Wormian bones, Low bone density (reduced bone mineral density) |
LEMD2 encodes LEM domain nuclear envelope protein 2 (503 aa). Nuclear lamina-associated inner nuclear membrane protein that is involved in nuclear structure organization, maintenance of nuclear envelope (NE) integrity and NE reformation after mitosis. Highest expression in Brain Cerebellum (71.2 TPM) and Brain Cerebellar Hemisphere (70.2 TPM).
Marbach-Rustad progeroid syndrome is associated with mutations in the LEMD2 gene on chromosome 6.
The LEMD2 protein participates in EMD/ TMPO/ LEMD3/ LEMD2, EMD/TMPO/LEMD3/LEMD2:Lamin filaments, and EMD/TMPO/LEMD3/LEMD2:Lamin filaments:BANF1:Chromatin pathways.
LEMD2 is classified as a druggable target with score 0.0.
Genetic testing for LEMD2 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for Marbach-Rustad progeroid syndrome has been reported in the published literature.
Phenotype severity distribution: 9 always present features, 23 common features.
Estimated prevalence: <1 in 1,000,000 (VERY_RARE).
No clinical trials have been registered for Marbach-Rustad progeroid syndrome.
6 publications have been identified in PubMed for Marbach-Rustad progeroid syndrome. Research spans Case Report / Case Series (67%), Diagnostic / Biomarker (17%), and Review / Meta-Analysis (17%).
Nelwan DA (2026). [PMID: 41717638](https://pubmed.ncbi.nlm.nih.gov/41717638/). *Radiology case reports*. [Case Report / Case Series]
Hung CY (2026). [PMID: 41645457](https://pubmed.ncbi.nlm.nih.gov/41645457/). *Congenital anomalies*. [Diagnostic / Biomarker]
Tyagi R (2025). [PMID: 40485967](https://pubmed.ncbi.nlm.nih.gov/40485967/). *Journal of clinical and experimental dentistry*. [Case Report / Case Series]
Hassib NF (2025). [PMID: 40602110](https://pubmed.ncbi.nlm.nih.gov/40602110/). *Archives of oral biology*. [Case Report / Case Series]
Pelineagră OE (2025). [PMID: 41095672](https://pubmed.ncbi.nlm.nih.gov/41095672/). *Diagnostics (Basel, Switzerland)*. [Case Report / Case Series]
Data assembled from 6 of 12 sources · Last updated Sep 19, 2026, 2:20 PM UTC
Online Mendelian Inheritance in Man
European rare disease database
Common questions about Marbach-Rustad progeroid syndrome
Growth and development |
3 |
Short stature, Intrauterine growth retardation, Growth delay |
Heart and blood vessels | 2 | Complete right bundle branch block, Thickened wall between heart chambers (ventricular septal hypertrophy) |
Brain and nerves | 2 | Intention tremor, Hyperintensity of cerebral white matter on MRI |
Head and neck | 2 | Microcephaly, Triangular face |
Hormones | 1 | Insulin resistance |
Muscles | 1 | Muscle weakness |
Skin | 1 | Reduced subcutaneous adipose tissue |
Age of onset: before birth.
Zhu J (2024). [PMID: 38926644](https://pubmed.ncbi.nlm.nih.gov/38926644/). *BMC pediatrics*. [Review / Meta-Analysis]