Caudal regression and tracheoesophageal malformation induced by adriamycin

A novel chick model of vater association

Yoko Naito, Tokuhiro Kimura, Michihiko Aramaki, Kosuke Izumi, Yasunori Okada, Hidekazu Suzuki, Takao Takahashi, Kenjiro Kosaki

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

VATER association represents a cluster of Vertebral, Anal, Tracheo-Esophageal, Radial and Renal malformations, and caudal regression syndrome is an entity consisting of a spectrum of congenital anomalies of lower spine and hips associated with genitourinary and lower limb defects. The concurrence of various malformations may be explained by a common defect in blastogenesis, but direct evidence is yet to be accumulated. Here, by the use of autofluorescence and the teratogenic eifect of adriamycin, we demonstrated that adriamycin administered to eggs of White Leghorns distributes to the caudal portion of the embryo and foregut epithelium and induces caudal regression and tracheal and pulmonary agenesis. The induction of caudal regression syndrome-like anomaly was developmental stage and dose dependent. Embryos with caudal regression demonstrated tracheoesophageal anomalies, one of the defects included in VATER association. The stages at which anomalies were produced corresponded to that of human embryos between days 22 and 26 (Carnegie stages 10-11). In view of the antitumor activity of adriamycin by intercalating to double-stranded DNA of undifferentiated cells undergoing rapid cell division, it is possible that adriamycin had preferentially attacked cells in the caudal end where pronounced proliferation takes place during this narrow period of greatest susceptibility.

Original languageEnglish
Pages (from-to)607-612
Number of pages6
JournalPediatric Research
Volume65
Issue number6
DOIs
Publication statusPublished - 2009 Jun

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Doxorubicin
Embryonic Structures
Egg White
Lymphocyte Activation
Cell Division
Hip
Lower Extremity
Spine
Epithelium
Kidney
DNA
VATER association

ASJC Scopus subject areas

  • Pediatrics, Perinatology, and Child Health

Cite this

Caudal regression and tracheoesophageal malformation induced by adriamycin : A novel chick model of vater association. / Naito, Yoko; Kimura, Tokuhiro; Aramaki, Michihiko; Izumi, Kosuke; Okada, Yasunori; Suzuki, Hidekazu; Takahashi, Takao; Kosaki, Kenjiro.

In: Pediatric Research, Vol. 65, No. 6, 06.2009, p. 607-612.

Research output: Contribution to journalArticle

Naito, Yoko ; Kimura, Tokuhiro ; Aramaki, Michihiko ; Izumi, Kosuke ; Okada, Yasunori ; Suzuki, Hidekazu ; Takahashi, Takao ; Kosaki, Kenjiro. / Caudal regression and tracheoesophageal malformation induced by adriamycin : A novel chick model of vater association. In: Pediatric Research. 2009 ; Vol. 65, No. 6. pp. 607-612.
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