ArticleCell and tissue research2023
NECL2 regulates blood-testis barrier dynamics in mouse testes.
Article in Cell and tissue research, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed, 2 citations in OpenAlex.
- Regulation of mitochondrial function during spermatogenesis and sperm maturation.Cellular & molecular biology letters · 2026Review
- Micro-proteomics reveals distinct protein profiles and SPARC/FGF2/CDH1 regulation of human Sertoli cells between Sertoli cell-only syndrome and normal men.Cellular and molecular life sciences : CMLS · 2025Article
- SERINC4 is dispensable for male fertility and spermatogenesis in mice.American journal of translational research · 2025Article
- The Protective Role of L-Cysteine in the Regulation of Blood-Testis Barrier Functions-A Brief Review.Genes · 2024Review
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Authors and funding
5 authors at 1 institution in 1 country.
Funding
Abstract
The adhesion protein nectin-like molecule 2 (NECL2) is involved in spermatogenesis and participates in the connections between Sertoli cells and germ cells. Necl2 deficiency leads to infertility in male mice. We found that NECL2 is relatively highly expressed on the cell membranes of preleptotene spermatocytes. It is known that preleptotene spermatocytes pass through the blood-testis barrier (BTB) from the base of the seminiferous tubules to the lumen to complete meiosis. We hypothesized that the NECL2 protein on the surfaces of preleptotene spermatocytes has an effect on the BTB when crossing the barrier. Our results showed that Necl2 deficiency caused the levels of proteins in the BTB to be abnormal, such as those of Claudin 3, claudin 11, and Connexin43. NECL2 interacted and colocalized with adhesion proteins forming the BTB, such as Connexin43, Occludin, and N-cadherin. NECL2 regulated BTB dynamics when preleptotene spermatocytes passed through the barrier, and Necl2 deficiency caused BTB damage. Necl2 deletion significantly affected the testicular transcriptome, especially the expression of spermatogenesis-related genes. These results suggest that before meiosis and spermatid development occur, BTB dynamics regulated by NECL2 are necessary for spermatogenesis.
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