Altered Gene Expression in the Adult Brain of fyn-Deficient Mice

June Goto, Tohru Tezuka, Takanobu Nakazawa, Nobuo Tsukamoto, Takahisa Nakamura, Rieko Ajima, Kazumasa Yokoyama, Tsutomu Ohta, Misao Ohki, Tadashi Yamamoto

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

1. Fyn, a member of Src-family tyrosine kinases is implicated in both brain development and adult brain function. Recent studies have identified some Fyn substrates, however, little is known about the transcriptional targets for Fyn mediated signaling pathways. In the present study, we sought to identify targets downstream of Fyn in vivo. 2. We compared genes expressed in adult hippocampi of wild-type and fyn-deficient mice using gene chips containing more than 12,000 genes. 3. The results showed that 559 transcripts were expressed differentially between these mice. Expression of 20 genes including a substantial number of myelin-associated genes was strongly repressed in fyn-deficient mice. 4. Reduced expression of these myelin-associated genes, such as MBP and MOG, in fyn-deficient mice was also confirmed by real-time PCR and northern blotting, arguing that Fyn is important for function and development of oligodendrocytes. 5. Further analysis of the genes that are differently expressed in fyn-deficient mice may shed light on the molecular mechanism by which Fyn regulates adult neural function.

Original languageEnglish
Pages (from-to)149-159
Number of pages11
JournalCellular and Molecular Neurobiology
Volume24
Issue number1
DOIs
Publication statusPublished - 2004 Feb
Externally publishedYes

Fingerprint

Gene expression
Brain
Genes
Gene Expression
Myelin Sheath
src-Family Kinases
Oligodendroglia
Oligonucleotide Array Sequence Analysis
Northern Blotting
Real-Time Polymerase Chain Reaction
Hippocampus
Substrates

Keywords

  • Adult brain functions
  • Gene expression
  • Myelination
  • Tyrosine kinase

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Biochemistry
  • Cell Biology
  • Genetics

Cite this

Altered Gene Expression in the Adult Brain of fyn-Deficient Mice. / Goto, June; Tezuka, Tohru; Nakazawa, Takanobu; Tsukamoto, Nobuo; Nakamura, Takahisa; Ajima, Rieko; Yokoyama, Kazumasa; Ohta, Tsutomu; Ohki, Misao; Yamamoto, Tadashi.

In: Cellular and Molecular Neurobiology, Vol. 24, No. 1, 02.2004, p. 149-159.

Research output: Contribution to journalArticle

Goto, J, Tezuka, T, Nakazawa, T, Tsukamoto, N, Nakamura, T, Ajima, R, Yokoyama, K, Ohta, T, Ohki, M & Yamamoto, T 2004, 'Altered Gene Expression in the Adult Brain of fyn-Deficient Mice', Cellular and Molecular Neurobiology, vol. 24, no. 1, pp. 149-159. https://doi.org/10.1023/B:CEMN.0000012720.71630.14
Goto, June ; Tezuka, Tohru ; Nakazawa, Takanobu ; Tsukamoto, Nobuo ; Nakamura, Takahisa ; Ajima, Rieko ; Yokoyama, Kazumasa ; Ohta, Tsutomu ; Ohki, Misao ; Yamamoto, Tadashi. / Altered Gene Expression in the Adult Brain of fyn-Deficient Mice. In: Cellular and Molecular Neurobiology. 2004 ; Vol. 24, No. 1. pp. 149-159.
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