Ichthyosis, SLC27A4-related
Breeds
Relevance Rating: There is some evidence or research available in this breed
General
Disease Name
Ichthyosis, SLC27A4-related
OMIA
1973
Gene Name
SLC27A4
Mutation
unpublished
Test Type
Genetic Disease/Disorder
Details
Ichthyosis is considered rare and appears to be breed specific, sometimes known as "fish scale" disease. It can resemble many other skin conditions such as allergies, dermatitis, and localized reactions. Most often present at birth, and can be painful. Symptoms include: thickened pads of his paws, irritated, flaking skin, may not itch or scab, also can cause thickened skin with scaly and greasy patches and flakes. This can cause water loss, as skin is unable to maintain moisture.
Details 2
"Clinical examination revealed signs of a generalized severe hyperkeratosis in all cases with a formation of a strongly wrinkled, thickened and scaling skin especially in the region of the eyes and nose. These changes led to a dry inelastic and lichenified skin of an untidy appearance in the affected dogs and a markedly swollen periocular skin which impeded the opening of the puppy?s eyes in some cases. In-between the wrinkles the exudative character of the skin promoted secondary infections. Due to the poor prognosis, all affected dogs were euthanized at the age of 7?40 days. Additional computer tomographic and endoscopic examinations after euthanasia in two five week old affected dogs revealed a ventrally displaced auditory canal with an atypically wrinkled shape but no signs of other anomalies (Metzger et al. 2015). Pathology: Affected Great Dane puppies had epidermal and follicular orthokeratotic hyperkeratosis, enlarged keratohyaline granules, vacuolated keratinocytes, and accumulations of an eosinophilic and alcianophilic, lipid-rich material within dilated hair follicular lumina and the cytoplasm of sebocytes. The macroscopic, histopathologic, and ultrastructural skin changes indicated a new variant of a primary disorder of cornification with congenital, non-epidermolytic, lamellar ichthyosiform appearance (Hoffmann et al. 2016)" [From OMIA]
Body/System/Process
Autoimmune
OMIA Url
Inheritance
AR