Understanding the mechanism of Vitiligo and how it starts?

Posted: Jan 04, 2011 |Comments: 0 |

Vitiligo is the disease which only affects appearance of person. The white patches are the main symptom of Vitiligo. These white patches are caused due to the loss of melanin. Melanin is the pigments that are responsible for the skin color. It also determines color to eyes and hair. These pigments are produced by special epidermis cells known as melanocytes. The difference in skin complexion among the people is due to number of melanocytes present in the body. The melanocytes are present in Stratum bassale (the bottom layer of skin epidermis), heart, Uvea (middle layer of the eye), the inner ear, meninges and bones.

The melanocytes produce these pigments through the process known as melanogenesis. The amino acid tyrosine provides Tyrosinase to the melanocytes to produce melanin. A person suffering from Albinism is deficient of tyrosine. Also in Vitiligo some times the white patches  appears due to deficiency of tyrosinase, but mostly it is due to the impaired function of melanocytes, which may be caused due to  an injury, skin trauma or sun burn. Some times human immune system produce anti-bodies due to overactive response which kills the organelles and tissues that are normally present in bodies. These antibodies may kill or damage melanocytes and cause white patches of Vitiligo on the skin. Such a condition of human system is called auto-immune disease. The autoimmune disease is widely believed as the reason for hypo-pigmentation.

Also at times the genetics are blamed as the cause of Vitiligo. Contact with harsh chemicals like phenols and its derivatives can also damage the melanocytes, and so the white patches or spots appear on the skin. The severity of white patches varies from person to person also the appearance of the white patches are not same for people. For instance some people develop Vitiligo only in one or a few limited areas of their body. Where as, most people find that their Vitiligo develops with bilateral characteristics, meaning that if a Vitiligo patch appears on one elbow, it often appears on the other elbow about the same time. On the different characteristics of appearance of white spots, the skin condition is categorized into different types.

In a nutshell Vitiligo is caused since the melanocytes also known as pigment cells are not able to function properly or die. The natural treatments for Vitiligo that are gaining so much popularity these days are because they work the best for healing these melanocytes for vitiligo cure. This treatment for Vitiligo is also preferred so much because they save a person from side effects and other complication. Also this vitiligo cure is very reasonable as compared to other treatments for vitiligo.

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