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Reliable, easy-to-read patient information on common medical conditions — written in plain language, free of jargon, and grounded in current evidence. Browse the most frequent diagnoses, understand what they mean for everyday life, and learn which steps and questions help you have a focused conversation with your doctor.

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Valinemia

Introduction

Hypervalinemia has an autosomal recessive pattern of inheritance.


Hypervalinemia (occasionally called valinemia) is a rare autosomal recessive metabolic disorder in which urinary and serum levels of the branched-chain amino acid valine are elevated, without related elevation of the branched-chain amino acids leucine and isoleucine.

It is caused by a deficiency of the enzyme valine transaminase.

Presenting in infancy, symptoms include lack of appetite, vomiting, dehydration, hypotonia and failure to thrive.

See also

See also

References

References

  • Dancis J, Hutzler J, Tada K, Wada Y, Morikawa T, Arakawa T (1967). “Hypervalinemia. A defect in valine transamination”. Pediatrics. 39 (6): 813–817. PMID 6067402.
  • Tada K, Wada Y, Arakawa T (1967). “Hypervalinemia. Its metabolic lesion and therapeutic approach”. Am. J. Dis. Child. 113 (1): 64–67. PMID 6066688.
  • Wada Y, Tada K, Minagawa A, Yoshida T, Morikawa T, Okamura T (1963). “Idiopathic hypervalinemia: probably a new entity of inborn error of valine metabolism”. Tohoku J. Exp. Med. 81: 46–55. PMID 14077060.