Hyperprolinemia Type II

National Organization for Rare Disorders, Inc.

Important
It is possible that the main title of the report Hyperprolinemia Type II is not the name you expected. Please check the synonyms listing to find the alternate name(s) and disorder subdivision(s) covered by this report.

Synonyms

  • Pyrroline Carboxylate Dehydrogenase Deficiency

Disorder Subdivisions

  • None

General Discussion

Two types of hyperprolinemia are recognized by physicians and clinical researchers. Each represents an inherited inborn error of metabolism involving the amino acid, proline.

Hyperprolinemia Type I (HP-I) is characterized by high levels of proline in the blood resulting from a deficiency of the enzyme proline oxidase, which is key to the breakdown (metabolism) of proline. There are often no clinical manifestations of HP-1.

Hyperprolinemia II (HP-II) is a rare metabolic disorder that results from the deficiency of the enzyme known as delta-pyrroline-5-carboxylate (P-5-C) dehydrogenase. This disorder results in more severe clinical manifestations than are seen in HP-I, and may be associated with mild mental retardation and seizures.
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Resources

CLIMB (Children Living with Inherited Metabolic Diseases)
Climb Building
176 Nantwich Road
Crewe, Intl CW2 6BG
United Kingdom
Tel: +44 870 7700 325
Fax: +44 870 7700 327
Email: info.svcs@climb.org.uk
Internet: http://www.CLIMB.org.uk

Arc (a national organization on mental retardation)
1010 Wayne Ave
Suite 650
Silver Spring, MD 20910
Tel: (301)565-3842
Fax: (301)565-3843
Tel: (800)433-5255
TDD: (817)277-0553
Email: info@thearc.org
Internet: http://www.thearc.org/

NIH/National Institute of Diabetes, Digestive & Kidney Diseases
Endocrine Diseases Metabolic Diseases Branch
2 Information Way
Bethesda, MD 20892-3570
Tel: (301)654-3810
Fax: (301)496-7422
Email: NDDIC@info.niddk.nih.gov
Internet: http://www.niddk.nih.gov

MUMS National Parent-to-Parent Network
150 Custer Court
Green Bay, WI 54301-1243
USA
Tel: (920)336-5333
Fax: (920)339-0995
Tel: (877)336-5333
Email: mums@netnet.net
Internet: http://www.netnet.net/mums/

Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
Tel: (301)251-4925
Fax: (301)251-4911
Tel: (888)205-2311
TDD: (888)205-3223
Email: ordr@od.nih.gov
Internet: http://rarediseases.info.nih.gov/Default.aspx

For a Complete Report

For a Complete Report

This is an abstract of a report from the National Organization for Rare Disorders, Inc. ® (NORD). A copy of the complete report can be obtained for a small fee by visiting the NORD website. The complete report contains additional information including symptoms, causes, affected population, related disorders, standard and investigational treatments (if available), and references from medical literature. For a full-text version of this topic, see http://www.rarediseases.org/search/rdblist.html

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