Secretory origin and temporal appearance of the porcine β-microseminoprotein (Sperm Motility Inhibitor) in the boar reproductive system

Hellen Jeng, Hsing Hui Chu, Winston T K Cheng, Wen Chang, Shuen Jiing Su

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

A specific antiserum against the porcine sperm motility inhibitor (SMI) was used in Western blotting analysis of tissue homogenates to reveal the possible origin of SMI in the boar reproductive system at different ages. The ages of the boar used were day 0, day 15, day 30, day 60, day 100, day 120, day 135, day 150, and day 210. The tissue homogenates of the day 60 and older showed immunoreaction. The results were further checked by indirect immunohistochemical staining and observed under light microscope. The SMI antigen appeared in the epithelial cells and in the lumen of the secretory ducts of the prostate gland. These results indicate that porcine SMI is synthesized only by the postnatal prostate gland. The homogenate of the prostate gland of day 100 was also used for the purification of SMI. The prostatic SMI was co-eluted with the seminal SMI in the reversed phase HPLC. Mass spectrometric analysis of the prostatic SMI revealed a molecular weight of 10,066. These results indicate that the prostatic SMI is identical to that purified from seminal plasma (Jeng et al., 1993; Biochem Biophys Res Communi 191:435-440). (C) 2001 Wiley-Liss, Inc.

Original languageEnglish
Pages (from-to)63-68
Number of pages6
JournalMolecular Reproduction and Development
Volume58
Issue number1
DOIs
Publication statusPublished - 2001

Fingerprint

Sperm Motility
Swine
Prostate
Semen
Immune Sera
Molecular Weight
Western Blotting
Epithelial Cells
High Pressure Liquid Chromatography
Staining and Labeling
Light
Antigens

Keywords

  • Immunohistochemical staining
  • Prostate gland
  • Sperm motility inhibitor
  • Western blotting

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology
  • Cell Biology

Cite this

Secretory origin and temporal appearance of the porcine β-microseminoprotein (Sperm Motility Inhibitor) in the boar reproductive system. / Jeng, Hellen; Chu, Hsing Hui; Cheng, Winston T K; Chang, Wen; Su, Shuen Jiing.

In: Molecular Reproduction and Development, Vol. 58, No. 1, 2001, p. 63-68.

Research output: Contribution to journalArticle

Jeng, Hellen ; Chu, Hsing Hui ; Cheng, Winston T K ; Chang, Wen ; Su, Shuen Jiing. / Secretory origin and temporal appearance of the porcine β-microseminoprotein (Sperm Motility Inhibitor) in the boar reproductive system. In: Molecular Reproduction and Development. 2001 ; Vol. 58, No. 1. pp. 63-68.
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