Hb Hammersmith [β 42(CD1) Phe→Ser]

Occurrence as a de novo mutation in black monozygotic twins with multiple congenital anomalies

Anne Marie McMorrow Tuohy, Virgil C. McKie, Hernan Sabio, Ferdane Kutlar, Abdullah Kutlar, Jerry B. Wilson

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Purpose: To present the occurrence of Hb Hammersmith as a de novo mutation in African-American twins with multiple congenital anomalies. Methods: Standard hematologic methods were used. The presence of an unstable Hb variant was confirmed by brilliant cresyl blue staining and an isopropanol stability test. Hb Hammersmith was confirmed by the sequencing of polymerase chain reaction - amplified β-globin gene. Results: The presence of Hb Hammersmith was confirmed in female monozygotic twins of African-American origin with congenital Heinz body hemolytic anemia and multiple congenital anomalies. The variant occurred as a de novo mutation in the twins. Conclusion: This report describes the occurrence of Hb Hammersmith [B42(CD1)Phe→Ser] in African-American twins. As with the other reported cases, both twins were female. In addition to Heinz body hemolytic anemia, a low arterial O2 saturation in the proposita was shown by pulse oximetry. Multiple congenital anomalies involving various systems were also found in both twins.

Original languageEnglish (US)
Pages (from-to)563-566
Number of pages4
JournalJournal of Pediatric Hematology/Oncology
Volume20
Issue number6
DOIs
StatePublished - Jan 1 1998

Fingerprint

Monozygotic Twins
Mutation
African Americans
Hemolytic Anemia
Oximetry
Globins
2-Propanol
hemoglobin Hammersmith
Staining and Labeling
Polymerase Chain Reaction
Genes

Keywords

  • Arterial O saturation
  • Congenital anomalies
  • De novo mutation
  • Hb Hammersmith
  • Unstable hemolytic anemia

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health
  • Hematology
  • Oncology

Cite this

Hb Hammersmith [β 42(CD1) Phe→Ser] : Occurrence as a de novo mutation in black monozygotic twins with multiple congenital anomalies. / McMorrow Tuohy, Anne Marie; McKie, Virgil C.; Sabio, Hernan; Kutlar, Ferdane; Kutlar, Abdullah; Wilson, Jerry B.

In: Journal of Pediatric Hematology/Oncology, Vol. 20, No. 6, 01.01.1998, p. 563-566.

Research output: Contribution to journalArticle

McMorrow Tuohy, Anne Marie ; McKie, Virgil C. ; Sabio, Hernan ; Kutlar, Ferdane ; Kutlar, Abdullah ; Wilson, Jerry B. / Hb Hammersmith [β 42(CD1) Phe→Ser] : Occurrence as a de novo mutation in black monozygotic twins with multiple congenital anomalies. In: Journal of Pediatric Hematology/Oncology. 1998 ; Vol. 20, No. 6. pp. 563-566.
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