Keratin disease

Palmoplantar keratoderma
Specialty| Dermatology

A keratin disease is a genetic disorder of one of the keratin genes.[citation needed] An example is monilethrix.[1] The first to be identified was epidermolysis bullosa simplex.[2][3]

Examples of keratin disease include:

Name  | Skin/hair  | Keratin

|
|

Epidermolysis bullosa simplex | skin  | KRT5, KRT14
Epidermolytic hyperkeratosis | skin  | KRT1, KRT10
Ichthyosis bullosa of Siemens | skin  | KRT2A
Palmoplantar keratoderma | skin  | KRT1, KRT9, KRT16
Pachyonychia congenita | skin  | KRT6A, KRT6B, KRT16, KRT17
White sponge nevus | skin  | KRT4, KRT13
Steatocystoma multiplex | skin  | KRT17
Monilethrix | hair  | KRT81, KRT83, KRT86
Meesman juvenile epithelial corneal dystrophy | cornea  | KRT3, KRT12
Familial cirrhosis | liver  | KRT8, KRT18

## See also[edit | edit source]

* List of cutaneous conditions caused by mutations in keratins

## References[edit | edit source]

1. ↑ Corden LD, McLean WH (December 1996). "Human keratin diseases: hereditary fragility of specific epithelial tissues". Exp. Dermatol. 5 (6): 297–307. doi:10.1111/j.1600-0625.1996.tb00133.x. PMID 9028791.
2. ↑ Smith F (2003). "The molecular genetics of keratin disorders". Am J Clin Dermatol. 4 (5): 347–64. doi:10.2165/00128071-200304050-00005. PMID 12688839.
3. ↑ Irvine AD, McLean WH (May 1999). "Human keratin diseases: the increasing spectrum of disease and subtlety of the phenotype-genotype correlation". Br. J. Dermatol. 140 (5): 815–28. doi:10.1046/j.1365-2133.1999.02810.x. PMID 10354017.

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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|

* Fibrillin
* Marfan syndrome
* Weill–Marchesani syndrome
* Filamin
* FG syndrome 2
* Boomerang dysplasia
* Larsen syndrome
* Terminal osseous dysplasia with pigmentary defects

IF|

| 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

|

* Desmin: Desmin-related myofibrillar myopathy
* Dilated cardiomyopathy 1I

* GFAP: Alexander disease

* Peripherin: Amyotrophic lateral sclerosis

* Neurofilament: Parkinson's disease
* Charcot–Marie–Tooth disease 1F, 2E
* Amyotrophic lateral sclerosis

* 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

Membrane|

* Spectrin: Spinocerebellar ataxia 5
* Hereditary spherocytosis 2, 3
* Hereditary elliptocytosis 2, 3

Ankyrin: Long QT syndrome 4

* Hereditary spherocytosis 1

Catenin|

* APC
* Gardner's syndrome
* Familial adenomatous polyposis
* plakoglobin (Naxos syndrome)
* GAN (Giant axonal neuropathy)

Other|

* desmoplakin: Striate palmoplantar keratoderma 2
* Carvajal syndrome
* Arrhythmogenic right ventricular dysplasia 8

* plectin: Epidermolysis bullosa simplex with muscular dystrophy
* Epidermolysis bullosa simplex of Ogna

* plakophilin: Skin fragility syndrome
* Arrhythmogenic right ventricular dysplasia 9

* centrosome: PCNT (Microcephalic osteodysplastic primordial dwarfism type II)

Related topics: Cytoskeletal proteins

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Congenital malformations and deformations of integument / skin disease

Genodermatosis|

| Congenital ichthyosis/
erythrokeratodermia|

| AD|

* Ichthyosis vulgaris

|

AR|

* Congenital ichthyosiform erythroderma: Epidermolytic hyperkeratosis
* Lamellar ichthyosis
* Harlequin-type ichthyosis

* Netherton syndrome
* Zunich–Kaye syndrome
* Sjögren–Larsson syndrome

XR|

* X-linked ichthyosis

Ungrouped|

* Ichthyosis bullosa of Siemens
* Ichthyosis follicularis
* Ichthyosis prematurity syndrome
* Ichthyosis–sclerosing cholangitis syndrome
* Nonbullous congenital ichthyosiform erythroderma
* Ichthyosis linearis circumflexa
* Ichthyosis hystrix

and related|

* EBS
* EBS-K
* EBS-WC
* EBS-DM
* EBS-OG
* EBS-MD
* EBS-MP

* JEB
* JEB-H
* Mitis
* Generalized atrophic
* JEB-PA

* DEB
* DDEB
* RDEB

* related: Costello syndrome
* Kindler syndrome
* Laryngoonychocutaneous syndrome
* Skin fragility syndrome

Ectodermal dysplasia|

* Naegeli syndrome/Dermatopathia pigmentosa reticularis
* Hay–Wells syndrome
* Hypohidrotic ectodermal dysplasia
* Focal dermal hypoplasia
* Ellis–van Creveld syndrome
* Rapp–Hodgkin syndrome/Hay–Wells syndrome

Elastic/Connective|

* Ehlers–Danlos syndromes
* Cutis laxa (Gerodermia osteodysplastica)
* Popliteal pterygium syndrome
* Pseudoxanthoma elasticum
* Van der Woude syndrome

Hyperkeratosis/
keratinopathy|

| PPK|

* diffuse: Diffuse epidermolytic palmoplantar keratoderma
* Diffuse nonepidermolytic palmoplantar keratoderma
* Palmoplantar keratoderma of Sybert
* Meleda disease

* syndromic
* connexin
* Bart–Pumphrey syndrome
* Clouston's hidrotic ectodermal dysplasia
* Vohwinkel syndrome
* Corneodermatoosseous syndrome
* plakoglobin
* Naxos syndrome
* Scleroatrophic syndrome of Huriez
* Olmsted syndrome
* Cathepsin C
* Papillon–Lefèvre syndrome
* Haim–Munk syndrome
* Camisa disease
* focal: Focal palmoplantar keratoderma with oral mucosal hyperkeratosis
* Focal palmoplantar and gingival keratosis
* Howel–Evans syndrome
* Pachyonychia congenita
* Pachyonychia congenita type I
* Pachyonychia congenita type II
* Striate palmoplantar keratoderma
* Tyrosinemia type II

* punctate: Acrokeratoelastoidosis of Costa
* Focal acral hyperkeratosis
* Keratosis punctata palmaris et plantaris
* Keratosis punctata of the palmar creases
* Schöpf–Schulz–Passarge syndrome
* Porokeratosis plantaris discreta
* Spiny keratoderma

* ungrouped: Palmoplantar keratoderma and spastic paraplegia
* desmoplakin
* Carvajal syndrome
* connexin
* Erythrokeratodermia variabilis
* HID/KID

|

Other|

* Meleda disease
* Keratosis pilaris
* ATP2A2
* Darier's disease
* Dyskeratosis congenita
* Lelis syndrome
* Dyskeratosis congenita
* Keratolytic winter erythema
* Keratosis follicularis spinulosa decalvans
* Keratosis linearis with ichthyosis congenita and sclerosing keratoderma syndrome
* Keratosis pilaris atrophicans faciei

Other|

* cadherin
* EEM syndrome
* immune system
* Hereditary lymphedema
* Mastocytosis/Urticaria pigmentosa
* Hailey–Hailey

see also Template:Congenital malformations and deformations of skin appendages, Template:Phakomatoses, Template:Pigmentation disorders, Template:DNA replication and repair-deficiency disorder

Developmental
anomalies|

| Midline|

* Dermoid cyst
* Encephalocele
* Nasal glioma
* PHACE association
* Sinus pericranii

|

Nevus|

* Capillary hemangioma
* Port-wine stain
* Naevus simplex
* Nevus flammeus nuchae
* Midline nevus flammeus

Other/ungrouped|

* Aplasia cutis congenita
* Amniotic band syndrome
* Branchial cyst
* Cavernous venous malformation

* Accessory nail of the fifth toe
* Bronchogenic cyst
* Congenital cartilaginous rest of the neck
* Congenital hypertrophy of the lateral fold of the hallux
* Congenital lip pit
* Congenital malformations of the dermatoglyphs
* Congenital preauricular fistula
* Congenital smooth muscle hamartoma
* Cystic lymphatic malformation
* Median raphe cyst
* Melanotic neuroectodermal tumor of infancy
* Mongolian spot
* Nasolacrimal duct cyst
* Omphalomesenteric duct cyst
* Poland anomaly
* Rapidly involuting congenital hemangioma
* Rosenthal–Kloepfer syndrome
* Skin dimple
* Superficial lymphatic malformation
* Thyroglossal duct cyst
* Verrucous vascular malformation
* Birthmark

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Congenital malformations and deformations of skin appendages

Nail disease|

* Anonychia
* Leukonychia
* Pachyonychia congenita/Onychauxis
* Koilonychia

Hair disease|

* hypotrichosis/abnormalities: keratin disease
* Monilethrix
* IBIDS syndrome
* Sabinas brittle hair syndrome
* Pili annulati
* Pili torti
* Uncombable hair syndrome
* Björnstad syndrome
* Giant axonal neuropathy with curly hair

* hypertrichosis: Zimmermann–Laband syndrome

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