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Results 1 - 10 of 21 for melanonychia OR nail hyperpigmentation OR normal variant
  1. GJA1 gene 
    ... absence of hair from birth (congenital alopecia), and nail abnormalities. The ... than normal, allowing more molecules to pass through them. Researchers ...
    https://medlineplus.gov/genetics/gene/gja1 - Genetics
  2. Pachyonychia congenita 
    ... tissues that make up the skin, hair, and nails.Variants in keratin genes alter ... congenita, normal activities such as standing and walking cause skin ...
    https://medlineplus.gov/genetics/condition/pachyonychia-congenita - Genetics
  3. CYB5R3 gene 
    ... type II. More About This Health Condition A normal variant (polymorphism) in the CYB5R3 gene has been associated ...
    https://medlineplus.gov/genetics/gene/cyb5r3 - Genetics
  4. RAD21 gene 
    ... activity of certain genes that are essential for normal development. Variants (also called mutations) in the RAD21 gene have ... ability to regulate genes that are critical for normal development. ... condition.Studies suggest that variants in the RAD21 gene cause a form of ...
    https://medlineplus.gov/genetics/gene/rad21 - Genetics
  5. IKBKG gene 
    ... do not cause illness in people with a normal immune system. The IKBKG gene variants associated with X-linked susceptibility to mycobacterial disease ...
    https://medlineplus.gov/genetics/gene/ikbkg - Genetics
  6. Trichothiodystrophy 
    ... problems with the transcription of genes needed for normal development before and after birth.Variants in at least seven genes have been reported ...
    https://medlineplus.gov/genetics/condition/trichothiodystrophy - Genetics
  7. EVC gene 
    ... Hedgehog signaling in the developing embryo, disrupting the normal formation and growth of the teeth, nails, and bones. More About This Health Condition DWF- ...
    https://medlineplus.gov/genetics/gene/evc - Genetics
  8. EVC2 gene 
    ... Hedgehog signaling in the developing embryo, disrupting the normal formation and growth of the teeth, nails, and bones. More About This Health Condition Ellis ...
    https://medlineplus.gov/genetics/gene/evc2 - Genetics
  9. MSX1 gene 
    ... cause Witkop syndrome (also known as tooth-and-nail syndrome). This rare condition is characterized by missing teeth and abnormalities of the fingernails and toenails. The MSX1 gene variant mutation responsible for Witkop syndrome leads to the ...
    https://medlineplus.gov/genetics/gene/msx1 - Genetics
  10. Weyers acrofacial dysostosis 
    ... disorder that affects the development of the teeth, nails, and bones. Dental abnormalities can include small, peg-shaped teeth; fewer teeth than normal (hypodontia); and one front tooth instead of two ( ...
    https://medlineplus.gov/.../condition/weyers-acrofacial-dysostosis - Genetics
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