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Biological Research

Print version ISSN 0716-9760

Abstract

DIAO, Ruiying et al. In vitro chemokine (C-C motif) receptor 6-dependent non-inflammatory chemotaxis during spermatogenesis. Biol. Res. [online]. 2018, vol.51, 12.  Epub June 15, 2018. ISSN 0716-9760.  http://dx.doi.org/10.1186/s40659-018-0161-z.

Background

Chemokine (C-C motif) receptor 6 (CCR6) is present in sperm and plays a significant role in sperm motility and chemotaxis acting in the reproductive tracts. However, the expression and functional significance of CCR6 in testis are still poorly understood, especially in the process of spermatogenesis.

Methods and results

CCR6 was expressed in spermatogenic cell lines and its expression was shown in an age-dependent upregulation manner from puberty to adulthood in mouse testis. Immunostaining results confirmed the localization of CCR 6 in testis. Further chemotaxis assays demonstrated that spermatogenic cells GC-1 and −2 exhibited a directional movement toward CCR6-specific ligand such as CCL20 or Sertoli cells in vitro.

Conclusions

The present findings indicate that CCR6 is involved in the chemotaxis of spermatogenic cells in vitro and promotes chemotaxis under non-inflammatory conditions during normal spermatogenesis.

Keywords : CCR6; CCL20; Chemotaxis; Sertoli cell; Spermatogenesis.

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