Cellular Distribution of NDRG1 Protein in the Rat Kidney and Brain during Normal Postnatal Development

Yoshinobu Wakisaka, Akiko Furuta, Katsuaki Masuda, Wataru Morikawa, Michihiko Kuwano, Toru Iwaki

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

N-myc downregulated gene 1 (NDRG1) is a 43-kD protein whose mRNA is induced by DNA damage, hypoxia, or prolonged elevation of intracellular calcium. Although NDRG1 is also upregulated during cell differentiation, there are few studies on NDRG1 expression during postnatal development. Here we investigated the expression and cellular distribution of NDRG1 protein in rat kidney and brain during postnatal development. Immunohistochemical analysis revealed that the cellular localization of NDRG1 protein in the kidney changed from the proximal convoluted tubules to the collecting ducts between postnatal days 10 and 20. In the brain, a change in cellular expression was also found from the hippocampal pyramidal neurons to the astrocytes in the gray matter during the same postnatal period. These alterations in the cellular distribution of NDRG1 were associated with shifts in the molecular assembly on Western blots. Under non-reduced conditions, the main NDRG1 band was found only around 215 kD in both kidney and brain during the early postnatal stage. After postnatal day 10, the immunoreactive bands shifted to 43 kD in the kidney and 129 kD in the brain. These changes in the cellular distribution and state of assembly may correlate with the functional maturation of both organs.

Original languageEnglish
Pages (from-to)1515-1525
Number of pages11
JournalJournal of Histochemistry and Cytochemistry
Volume51
Issue number11
DOIs
Publication statusPublished - Nov 2003

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myc Genes
Down-Regulation
Kidney
Brain
Proteins
Pyramidal Cells
Astrocytes
DNA Damage
Cell Differentiation
Western Blotting
Calcium
Gene Expression
Messenger RNA

All Science Journal Classification (ASJC) codes

  • Anatomy
  • Histology

Cite this

Cellular Distribution of NDRG1 Protein in the Rat Kidney and Brain during Normal Postnatal Development. / Wakisaka, Yoshinobu; Furuta, Akiko; Masuda, Katsuaki; Morikawa, Wataru; Kuwano, Michihiko; Iwaki, Toru.

In: Journal of Histochemistry and Cytochemistry, Vol. 51, No. 11, 11.2003, p. 1515-1525.

Research output: Contribution to journalArticle

Wakisaka, Yoshinobu ; Furuta, Akiko ; Masuda, Katsuaki ; Morikawa, Wataru ; Kuwano, Michihiko ; Iwaki, Toru. / Cellular Distribution of NDRG1 Protein in the Rat Kidney and Brain during Normal Postnatal Development. In: Journal of Histochemistry and Cytochemistry. 2003 ; Vol. 51, No. 11. pp. 1515-1525.
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