No major defect detected in the gene of familial hypo-retinol-binding proteinemia

Toshihiko Matsuo, S. Noji, S. Taniguchi, N. Matsuo

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Retinol-binding protein (RBP), a plasma protein with a molecular weight of 21,000 daltons, binds to retinol with a 1:1 molar ratio and transports it to the peripheral tissues. Familial hypo-retinol-binding proteinemia (hypo-RBPnemia) was detected in a 2-year-old girl who developed keratomalacia, and in her mother and sister. They persistently showed half the normal levels of RBP and retinol. Restriction fragments of leukocyte DNA, created by digestion with BamHI, EcoRI and PstI when human RBP complementary DNA was used as a probe, showed the same patterns in both the affected and unaffected family members. These results indicate that familial hypo-RBPnemia could be attributed to such minor changes as point mutations, rather than large deletion or insertion in the RBP gene.

Original languageEnglish
Pages (from-to)320-324
Number of pages5
JournalJapanese Journal of Ophthalmology
Volume34
Issue number3
Publication statusPublished - 1990

Fingerprint

Retinol-Binding Proteins
Vitamin A
Genes
Point Mutation
Blood Proteins
Siblings
Digestion
Leukocytes
Complementary DNA
Molecular Weight
Mothers
DNA

Keywords

  • Restriction fragment lenght polymorphism
  • Retinol-binding protein
  • Southern blot analysis

ASJC Scopus subject areas

  • Ophthalmology

Cite this

No major defect detected in the gene of familial hypo-retinol-binding proteinemia. / Matsuo, Toshihiko; Noji, S.; Taniguchi, S.; Matsuo, N.

In: Japanese Journal of Ophthalmology, Vol. 34, No. 3, 1990, p. 320-324.

Research output: Contribution to journalArticle

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