Cyclin-dependent kinase 5 is expressed in both Sertoli cells and metaphase spermatocytes

Donna R. Session, Michael P Fautsch, Rajeswari Avula, William R. Jones, Ajay Nehra, Eric D Wieben

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

Objective: To gain insight into the function of cyclin-dependent kinase 5 (Cdk5) in spermatogenesis. Design: The expression of the Cdk5 protein was determined with the use of immunohistochemical and immunoblot analysis. Setting: Academic research laboratory. Animal(s): Adult mouse and archival human testicular tissue were used for the immunohistochemical analysis. Adult mice were used as the source of tissues for the immunoblot analysis. Intervention(s): The immunohistochemical analysis was performed with an anti-Cdk5 antibody. The double immunohistochemical analysis was performed with anti-Cdk5 and α-tubulin antibodies. Immunoblotting was used to examine multiple mouse tissues for Cdk5 expression. Main Outcome Measure(s): Analysis of Cdk5 protein distribution.Result(s): Cdk5 was localized specifically within the cytoplasm of Sertoli cells and meiotic metaphase germ cells. The double immunohistochemistry analysis demonstrated the co-localization of Cdk5 and α-tubulin within the Sertoli cells. Western blot analysis revealed a high level of expression of Cdk5 in the testicular lysate. Conclusion(s): The cyclin-dependent kinases are known regulators of the cell cycle; however, Cdk5 expression previously has been described in terminally differentiated cells of the brain. The present evidence of an association between Cdk5 and microfilaments of Sertoli cells and meiotic metaphase germ cells suggests a role of Cdk5 in both seminiferous tubule function and meiosis.

Original languageEnglish (US)
Pages (from-to)669-673
Number of pages5
JournalFertility and Sterility
Volume75
Issue number4
DOIs
StatePublished - 2001
Externally publishedYes

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Cyclin-Dependent Kinase 5
Spermatocytes
Sertoli Cells
Metaphase
Tubulin
Germ Cells
Seminiferous Tubules
Cyclin-Dependent Kinases
Antibodies
Meiosis
Spermatogenesis
Actin Cytoskeleton
Immunoblotting
Cell Cycle
Cytoplasm

Keywords

  • Cdk5
  • Meiosis
  • Metaphase
  • Microtubules
  • Sertoli cell
  • Testis

ASJC Scopus subject areas

  • Obstetrics and Gynecology

Cite this

Cyclin-dependent kinase 5 is expressed in both Sertoli cells and metaphase spermatocytes. / Session, Donna R.; Fautsch, Michael P; Avula, Rajeswari; Jones, William R.; Nehra, Ajay; Wieben, Eric D.

In: Fertility and Sterility, Vol. 75, No. 4, 2001, p. 669-673.

Research output: Contribution to journalArticle

Session, Donna R. ; Fautsch, Michael P ; Avula, Rajeswari ; Jones, William R. ; Nehra, Ajay ; Wieben, Eric D. / Cyclin-dependent kinase 5 is expressed in both Sertoli cells and metaphase spermatocytes. In: Fertility and Sterility. 2001 ; Vol. 75, No. 4. pp. 669-673.
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