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Ichthyosis Vulgaris

Ichthyosis Vulgaris. Corinne Lewin Genetics Project. How does Ichthyosis Vulgaris occur?.

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Ichthyosis Vulgaris

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  1. Ichthyosis Vulgaris Corinne Lewin Genetics Project

  2. How does Ichthyosis Vulgaris occur? • Icthyosis Vulgaris is the most common genetic skin disorder because only one of your parents needs to have the abnormality in the gene. The abnormality in the gene causes skin to regenerate (go through mitosis) faster than it sheds.

  3. History of Ichthyosis Vulgaris • Ichthyosis Vulgaris has been around for many years, and with so many people affected by it (1 out of every 250), it’s hard to find out when and where the disorder originated.

  4. Passing to Other Generations… • Icthyosis Vulgaris can be passed down to other generations quite easily. The gene is inherited in an autosomal dominate pattern, so the child only needs one mutated gene. This is a contributing factor to the great number of people that are living with the disorder.

  5. What kind of mutation is it? • Ichthyosis Vulgaris is caused by a genetic mutation. However, ichthyosis that is not due to a genetic mutation is called acquired ichthyosis, and is extremely rare.

  6. Where is the mutation found? • The mutated gene for Ichthyosis Vulgaris is found on chromosome Iq21 and is related to an abnormality in levels of the protein filaggrin.

  7. Ichthyosis Vulgaris on the Knee

  8. Phenotypic effects • Effects of Ichthyosis Vulgaris include: • Dry Skin • Scaly Skin • Discoloration of Skin • Flaky Scalp • Painful deep cracks in palms and soles

  9. How is it Diagnosed? • Although many cases of Ichthyosis go unreported, it can be diagnosed through: • Skin examinations • Skin biospy • Researching famliy history (has anyone in your family had Ichthyosis before?)

  10. Girl with Ichthyosis

  11. Ichthyosis Vulgaris

  12. Treatment of Ichthyosis Vulgaris • There is no known cure, but the following can aid in easing the pain of ichthyosis vulgaris: • Retinoids (from Vitamin-A) • Constant moisture to affected area

  13. Bibliography • DermNet NZ. N.p., n.d. Web. 11 Nov. 2009. <http://dermnetnz.org/scaly/ichthyosis.html>. Ichthyosis Vulgaris. Mayo Clinic, n.d. Web. 11 Nov. 2009. <http://www.mayoclinic.com/health/ ichthyosis-vulgaris/DS00734/DSECTION=treatments%2Dand%2Ddrugs>.

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