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Genodermatosis
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Genodermatosis
Genodermatosis is a hereditary skin disease with three inherited modes including single gene inheritance, multiple gene inheritance and chromosome inheritance. There are many different types of genodermatosis; the prevalence of genodermatosis ranges from 1 per 6000 people to 1 per 500,000 people. Genodermatosis has influence on the texture, color and structure of skin cuticle and connective tissue, specific lesion site and clinical manifestations on the body vary depending on the type. In the spite of the variety and complexity of genodermatosis, there are still some common methods that can help people diagnose. After diagnosis, different types of genodermatosis require different levels of therapy including interventions, nursing interventions and treatments. Among that, research of therapy for some new, complex and rare types are still in the developing stage. The impact of genodermatosis not only can be seen in body but also can be seen in all aspects of patients' life, including but not limited to psychological, family life, economic conditions and social activities. Accordingly, the patients need treatment, support and help in these areas.
Genodermatosis is inherited in three modes: single gene inheritance, multiple gene inheritance and chromosome inheritance.
Single-gene inheritance of genodermatosis refers to the inheritance of a skin disease caused by one genetic abnormality and single gene heredity is divided into four kinds mainly.
The first kind is autosomal dominant inheritance, in this kind of inheritance, patients can be of any sex and their genodermatosis are often inherited from one of the parents. Cases of skin disease that may be inherited in this kind of mode include epidermolysis bullosa simplex (EBS), acute intermittent porphyria, white sponge nevus, ichthyosis, epidermolytic palmoplantar keratoderma, hereditary benign intraepithelial dyskeratosis and so on.
The second kind is autosomal recessive inheritance, in this kind of inheritance, patients can be of any sex and inbreeding tends to lead to this inheritance. Cases of skin disease that may be inherited in this kind of mode include epidermolysis bullosa, xeroderma pigmentosum, acrodermatitis enteropathica, ichthyosis and so on.
The third kind is X-linked dominant inheritance, in this kind of inheritance, patients can be of any sex. Male patients can pass the disease on to their sons and the chances of female patients passing it to their daughters or sons are almost equal. Cases of skin disease that may be inherited in this kind of mode include incontinentia pigmenti, focal dermal hypoplasia and so on.
The last kind is X-linked recessive inheritance, in this kind of inheritance, patients can be of any sex and the prevalence in men is higher than that in women. Male patients cannot pass the disease on to their sons. Cases of skin disease that may be inherited in this kind of mode include fabry disease, anhidrotic ectodermal dysplasia, dyskeratosis congenita and so on.
Multiple-gene inheritance of genodermatosis refers to the inheritance of a skin disease caused by multiple genetic abnormalities. Cases of skin disease that may be inherited in this mode include vitiligo, psoriasis, pemphigus vulgaris, systemic lupus erythematosus and so on.
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Genodermatosis
Genodermatosis is a hereditary skin disease with three inherited modes including single gene inheritance, multiple gene inheritance and chromosome inheritance. There are many different types of genodermatosis; the prevalence of genodermatosis ranges from 1 per 6000 people to 1 per 500,000 people. Genodermatosis has influence on the texture, color and structure of skin cuticle and connective tissue, specific lesion site and clinical manifestations on the body vary depending on the type. In the spite of the variety and complexity of genodermatosis, there are still some common methods that can help people diagnose. After diagnosis, different types of genodermatosis require different levels of therapy including interventions, nursing interventions and treatments. Among that, research of therapy for some new, complex and rare types are still in the developing stage. The impact of genodermatosis not only can be seen in body but also can be seen in all aspects of patients' life, including but not limited to psychological, family life, economic conditions and social activities. Accordingly, the patients need treatment, support and help in these areas.
Genodermatosis is inherited in three modes: single gene inheritance, multiple gene inheritance and chromosome inheritance.
Single-gene inheritance of genodermatosis refers to the inheritance of a skin disease caused by one genetic abnormality and single gene heredity is divided into four kinds mainly.
The first kind is autosomal dominant inheritance, in this kind of inheritance, patients can be of any sex and their genodermatosis are often inherited from one of the parents. Cases of skin disease that may be inherited in this kind of mode include epidermolysis bullosa simplex (EBS), acute intermittent porphyria, white sponge nevus, ichthyosis, epidermolytic palmoplantar keratoderma, hereditary benign intraepithelial dyskeratosis and so on.
The second kind is autosomal recessive inheritance, in this kind of inheritance, patients can be of any sex and inbreeding tends to lead to this inheritance. Cases of skin disease that may be inherited in this kind of mode include epidermolysis bullosa, xeroderma pigmentosum, acrodermatitis enteropathica, ichthyosis and so on.
The third kind is X-linked dominant inheritance, in this kind of inheritance, patients can be of any sex. Male patients can pass the disease on to their sons and the chances of female patients passing it to their daughters or sons are almost equal. Cases of skin disease that may be inherited in this kind of mode include incontinentia pigmenti, focal dermal hypoplasia and so on.
The last kind is X-linked recessive inheritance, in this kind of inheritance, patients can be of any sex and the prevalence in men is higher than that in women. Male patients cannot pass the disease on to their sons. Cases of skin disease that may be inherited in this kind of mode include fabry disease, anhidrotic ectodermal dysplasia, dyskeratosis congenita and so on.
Multiple-gene inheritance of genodermatosis refers to the inheritance of a skin disease caused by multiple genetic abnormalities. Cases of skin disease that may be inherited in this mode include vitiligo, psoriasis, pemphigus vulgaris, systemic lupus erythematosus and so on.
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