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 25 for ISOLEUCINE OR PHENYLALANINE OR THREONINE OR LYSINE OR VALINE OR LEUCINE OR TRYPTOPHAN OR METHIONINE OR HISTIDINE OR CYSTEINE
  1. Serum phenylalanine screening 
    Serum phenylalanine screening is a blood test to look for signs of the disease phenylketonuria (PKU). The test detects abnormally high levels of an amino acid called phenylalanine.
    https://medlineplus.gov/ency/article/003362.htm - Medical Encyclopedia
  2. Leucine aminopeptidase blood test 
    The leucine aminopeptidase (LAP) test measures how much of this enzyme is in your blood. Your urine can also ...
    https://medlineplus.gov/ency/article/003559.htm - Medical Encyclopedia
  3. Tryptophan 
    Tryptophan is an amino acid needed for normal growth in infants and for the production and maintenance ... The body uses tryptophan to help make melatonin and serotonin. Melatonin helps regulate the sleep-wake cycle, and serotonin is thought to help ...
    https://medlineplus.gov/ency/article/002332.htm - Medical Encyclopedia
  4. Leucine aminopeptidase urine test (image) 
    Leucine aminopeptidase (LAP) is a proteolytic enzyme that breaks chemical bonds in proteins at specific sites next to leucine amino acids. Serum (blood) LAP is measured to ...
    https://medlineplus.gov/ency/imagepages/9501.htm - Medical Encyclopedia
  5. Leucine aminopeptidase - urine 
    Leucine aminopeptidase is a type of protein called an enzyme. It is normally found in liver cells ... Increased levels of leucine aminopeptidase can be seen in ... Hepatitis Liver cancer Liver ischemia (reduced blood flow to the ...
    https://medlineplus.gov/ency/article/003617.htm - Medical Encyclopedia
  6. Phenylketonuria 
    ... to properly break down an amino acid called phenylalanine. ... Babies with PKU are missing an enzyme called phenylalanine hydroxylase. It is needed to break down the ...
    https://medlineplus.gov/ency/article/001166.htm - Medical Encyclopedia
  7. Amino acids 
    ... from food. The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan , and ...
    https://medlineplus.gov/ency/article/002222.htm - Medical Encyclopedia
  8. Aminoaciduria 
    ... Glutamine: 11 to 42 Glycine: 17 to 146 Histidine: 49 to 413 Isoleucine: 30 to 186 Leucine: 1 to 9 Lysine: 2 to 16 Methionine: 2 to 53 Ornithine: ...
    https://medlineplus.gov/ency/article/003366.htm - Medical Encyclopedia
  9. Plasma amino acids 
    ... Children: 110 to 240 Adults: 170 to 330 Histidine: Children: 68 to 120 Adults: 26 to 120 Hydroxyproline: Children: 0 to 5 Adults: not detected Isoleucine: Children: 37 to 140 Adults: 42 to 100 ...
    https://medlineplus.gov/ency/article/003361.htm - Medical Encyclopedia
  10. Maple syrup urine disease 
    ... this condition cannot break down the amino acids leucine, isoleucine, and valine. This leads to a buildup of these chemicals ... can cause intellectual disability and high levels of leucine to build up.
    https://medlineplus.gov/ency/article/000373.htm - Medical Encyclopedia
previous · 1 · 2 · 3 · next