Microcephalic osteodysplastic primordial dwarfism type II

Microcephalic osteodysplastic primordial dwarfism type II
Other names	Majewski osteodysplastic primordial dwarfism type II

Microcephalic osteodysplastic primordial dwarfism type II is inherited in an autosomal recessive manner
Specialty	Medical genetics

Microcephalic osteodysplastic primordial dwarfism type II (MOPD II) is a form of primordial dwarfism associated with brain and skeletal abnormalities. It was characterized in 1982.^[1]

MOPD II is listed as a rare disease by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This indicates that MOPD (or a subtype of MOPD) affects less than 200,000 people in the US population.

It is associated with the protein pericentrin (PCNT).^[2]

Intelligence is reported by usually within low-normal or mild intellectual disability range.^[3] Some have average levels of intelligence, but may masked by specific learning disability.

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Notable persons with MOPD II

Lucia Zarate, sideshow entertainer
Bridgette Jordan, smallest living woman until her death in 2019

References

^ Majewski F, Ranke M, Schinzel A (May 1982). "Studies of microcephalic primordial dwarfism II: the osteodysplastic type II of primordial dwarfism". Am. J. Med. Genet. 12 (1): 23–35. doi:10.1002/ajmg.1320120104. PMID 7201238.
^ Rauch A, Thiel CT, Schindler D, et al. (February 2008). "Mutations in the pericentrin (PCNT) gene cause primordial dwarfism". Science. 319 (5864): 816–9. Bibcode:2008Sci...319..816R. doi:10.1126/science.1151174. PMID 18174396. S2CID 23055733.
^ Hall JG, Flora C, Scott CI Jr, Pauli RM, Tanaka KI (Sep 2004). "Majewski osteodysplastic primordial dwarfism type II (MOPD II): natural history and clinical findings". Am. J. Med. Genet. 130A (1): 55–72. doi:10.1002/ajmg.a.30203. PMID 15368497. S2CID 24104332.

External links

Cytoskeletal defects

Microfilaments

Myofilament

Actin	Hypertrophic cardiomyopathy 11 Dilated cardiomyopathy 1AA DFNA20 Nemaline myopathy 3
Myosin	Elejalde syndrome Hypertrophic cardiomyopathy 1, 8, 10 Usher syndrome 1B Freeman–Sheldon syndrome DFN A3, 4, 11, 17, 22; B2, 30, 37, 48 May–Hegglin anomaly
Troponin	Hypertrophic cardiomyopathy 7, 2 Nemaline myopathy 4, 5
Tropomyosin	Hypertrophic cardiomyopathy 3 Nemaline myopathy 1
Titin	Hypertrophic cardiomyopathy 9

Other

1/2	Keratinopathy (keratosis, keratoderma, hyperkeratosis): KRT1 Striate palmoplantar keratoderma 3 Epidermolytic hyperkeratosis IHCM KRT2E (Ichthyosis bullosa of Siemens) KRT3 (Meesmann juvenile epithelial corneal dystrophy) KRT4 (White sponge nevus) KRT5 (Epidermolysis bullosa simplex) KRT8 (Familial cirrhosis) KRT10 (Epidermolytic hyperkeratosis) KRT12 (Meesmann juvenile epithelial corneal dystrophy) KRT13 (White sponge nevus) KRT14 (Epidermolysis bullosa simplex) KRT17 (Steatocystoma multiplex) KRT18 (Familial cirrhosis) KRT81/KRT83/KRT86 (Monilethrix) Naegeli–Franceschetti–Jadassohn syndrome Reticular pigmented anomaly of the flexures
3	Desmin: Desmin-related myofibrillar myopathy Dilated cardiomyopathy 1I GFAP: Alexander disease Peripherin: Amyotrophic lateral sclerosis
4	Neurofilament: Parkinson's disease Charcot–Marie–Tooth disease 1F, 2E Amyotrophic lateral sclerosis
5	Laminopathy: LMNA Mandibuloacral dysplasia Dunnigan Familial partial lipodystrophy Emery–Dreifuss muscular dystrophy 2 Limb-girdle muscular dystrophy 1B Charcot–Marie–Tooth disease 2B1 LMNB Barraquer–Simons syndrome LEMD3 Buschke–Ollendorff syndrome Osteopoikilosis LBR Pelger–Huet anomaly Hydrops-ectopic calcification-moth-eaten skeletal dysplasia

Microtubules

Kinesin	Charcot–Marie–Tooth disease 2A Hereditary spastic paraplegia 10
Dynein	Primary ciliary dyskinesia Short rib-polydactyly syndrome 3 Asphyxiating thoracic dysplasia 3
Other	Tauopathy Cavernous venous malformation