Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 10 of 11 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. 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
  3. 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
  4. 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
  5. 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
  6. 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
  7. 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
  8. LAMA3 gene 
    ... airway. Other features of LOC syndrome include malformed nails and abnormal teeth.The mutations involved in LOC syndrome lead to an abnormally short version of the alpha-3a subunit of laminin 332; alpha-3b1 and alpha-3b2 are normal. Laminin proteins containing the altered alpha subunit cannot ...
    https://medlineplus.gov/genetics/gene/lama3 - Genetics
  9. HBB gene 
    ... cause a condition called beta-plus (β+) thalassemia. Variants that prevent cells from producing any beta-globin cause beta-zero (β0) thalassemia.Low levels of beta-globin can impact the production of hemoglobin. A lack of hemoglobin disrupts the normal development of red blood cells. A shortage of ...
    https://medlineplus.gov/genetics/gene/hbb - Genetics
  10. KRT17 gene 
    ... that this condition may be a mild form (variant) of pachyonychia congenita ... although mild nail and dental abnormalities are possible.The KRT17 gene ...
    https://medlineplus.gov/genetics/gene/krt17 - Genetics
previous · 1 · 2 · next