ArticleJournal of anatomy2001
Carbohydrate moieties of the interstitial and glandular tissues of the amphibian Pleurodeles waltl testis shown by lectin histochemistry.
Article in Journal of anatomy, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 14 citations in OpenAlex.
- Histochemical identification of sialylated glycans in Xenopus laevis testis.Journal of anatomy · 2012Article
- Identification of fucosylated glycoconjugates in Xenopus laevis testis by lectin histochemistry.Histochemistry and cell biology · 2010Article
- Glycan composition of follicle (Sertoli) cells of the amphibian Pleurodeles waltl. A lectin histochemical study.Journal of anatomy · 2001Article
- Galactosides and sialylgalactosides in O-linked oligosaccharides of the primordial germ cells in Xenopus embryos.Glycoconjugate journal · 2001Article
- Lectin histochemical identification of the carbohydrate moieties on N- and O-linked oligosaccharides in the duct cells of the testis of an amphibian urodele, the spanish newt (Pleurodeles waltl).The Histochemical journal · 2000Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The amphibian testis is a useful model because of its zonal organisation in lobules, distributed along the cephalocaudal axis, each containing a unique germ cell type. Sperm empty lobules form the so-called glandular tissue at the posterior region of the gonad. Androgen production is limited to the cells of the interstitial tissue surrounding lobules with spermatozoa bundles and to the cells of the glandular tissue. In this work, we have studied the distribution of terminal carbohydrate moieties of N- and O-linked oligosaccharides in the interstitial and glandular tissue of the Pleurodeles waltl testis, by means of 14 lectins combined with chemical and enzymatic deglycosylation pretreatment. Some differences in glycan composition between the interstitial and the glandular tissue have been detected. Thus in both tissues, N-linked oligosaccharides contained mannose, Gal(beta1,4)GlcNAc, and Neu5Ac(alpha2,3)Gal(beta1,4)GlcNAc, while O-linked oligosaccharides contained Con A-positive mannose, Gal(beta1,3)GalNAc, Gal(beta1,4)GlcNAc, Neu5Ac(alpha2,3)Gal(beta1,4)GlcNAc, and WGA-positive GlcNAc. Fucose was also detected in both tissues. However, GlcNAc on N-linked oligosaccharides and GalNAc and Neu5Ac(alpha2,6)Gal/GalNAc on both N- and O-linked oligosaccharides were found only in the interstitial tissue. As glandular tissue cells arise from the innermost cells of interstitial tissue that surround lobules, the differences in the glycan composition of interstitial and glandular tissue shown in this work may be related to the start of androgen synthesis when steroid hormone (SH)-secreting cells develop.
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