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Skin fragility syndrome

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Medical condition

Skin fragility syndrome
Other names	Plakophilin 1 deficiency

This condition is inherited in an autosomal recessive manner.
Specialty	Dermatology

Skin fragility syndrome (also known as "plakophilin 1 deficiency") is acutaneous condition characterized by trauma-inducedblisters and erosions.^[1]

It is associated withPKP1.^[2]

References

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^Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007).Dermatology: 2-Volume Set. St. Louis: Mosby.ISBN 978-1-4160-2999-1.
^McMillan JR, Haftek M, Akiyama M, et al. (July 2003)."Alterations in desmosome size and number coincide with the loss of keratinocyte cohesion in skin with homozygous and heterozygous defects in the desmosomal protein plakophilin 1".J. Invest. Dermatol.121 (1):96–103.doi:10.1046/j.1523-1747.2003.12324.x.PMID 12839569.

External links

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Classification	D OMIM:604536 MeSH:C536183

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