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The condition is very common in mice, rabbits, dogs, sheep, deer, cattle and horses—where selective breeding has increased the incidence of the mutation—but occurs among chimpanzees and other primates only as rarely as among humans. Piebaldism is unrelated to conditions such as vitiligo or poliosis.
Type 2D was established in 2002 when a study looking to find mutations in the human version of the SNAI2 gene, known to cause depigmentation in mice, found deletions of both copies of this gene in two unrelated individuals with Waardenburg syndrome type 2. Mutations in both copies of this gene have not been found in those with Waardenburg ...
Some genetic conditions that result in a "leucistic" appearance include piebaldism, Waardenburg syndrome, vitiligo, Chédiak–Higashi syndrome, flavism, isabellinism, xanthochromism, axanthism, amelanism, and melanophilin mutations. Pale patches of skin, feathers, or fur (often referred to as "depigmentation") can also result from injury.
Humans are blessed to share the planet with just over 2.1 million recognized species of animals. ... My dog Buster has the skin condition vitiligo. It causes depigmentation of the skin (and fur ...
Vitiligo is a condition that causes the skin to begin to lose its pigmentation—or color—for no apparent reason, resulting in white patches that are especially noticeable in people whose skin ...
The following is a list of genetic disorders and if known, type of mutation and for the chromosome involved. Although the parlance "disease-causing gene" is common, it is the occurrence of an abnormality in the parents that causes the impairment to develop within the child. There are over 6,000 known genetic disorders in humans.
Vitiligo (/ ˌ v ɪ t ɪ ˈ l aɪ ɡ oʊ /, vi-ti-leye-goh) is a chronic autoimmune disorder that causes patches of skin to lose pigment or color. [1] The cause of vitiligo is unknown, but it may be related to immune system changes, genetic factors, stress, or sun exposure. [5] [6] Treatment options include topical medications, light therapy ...
Alfred Blaschko, a private practice dermatologist from Berlin, first described and drew the patterns of the lines of Blaschko in 1901. He obtained his data by studying over 140 patients with various nevoid and acquired skin diseases and transposed the visible patterns the diseases followed onto dolls and statues, then compiled the patterns onto a composite schematic of the human body.