Journal of Andrology Proceedings of the Fifth International Conference on the Epididymis
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Table. Expressiona of proteasome, ubiquitin, early endosome antigen-1 (EEA1), clusterin (CLU), and cathepsin D (CTSD) in the rat efferent ductules and initial segment of the epididymis
    Proteasome
  Ubiquitin
  EEA1
  CLU
  CTSD
  Cell Type
  N
  C
  N
  C
  C
  C
  C
  Efferent ductules              
      Epithelial nonciliated   +++   -   +++   -   +++   +++   +++
      Epithelial ciliated   +/-   -   +/-   -   -   -   +/-
      Peritubular   +/-   -   ++/-   -   -   -   +/-
      Connective tissue   +++/-   +/-   +++/-   +/-   +/-   -   ++/-
      Vascular endothelial   +++   -   +++   -   +/-   -   +++
      Vascular smooth muscle   ++   -   ++   -   +/-   -   ++/+
  Initial segment epididymis              
      Principal   +   +   ++   ++   +++   -   -
      Basal   +++   -   ++   -   +/-   -   +++/-
      Apical/narrow   +++/++   +/-   ++/+   +/-   +++   -   +++
      Connective tissue   +++/-   +/-   +++/-   +/-   +/-   -   +/-
      Vascular endothelial   +++   -   +++   -   +   -   +/-
      Vascular smooth muscle
  ++
  -
  ++
  -
  +
  -
  +/-
  Abbreviations: C, cytoplasm; N, nucleus.
  a -, negative; +, weak stain; ++, moderate stain; +++, strongest stain; +/-, intermittent stain; +++/+, variable intensity of stain.





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