{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,18]],"date-time":"2026-09-18T10:07:30Z","timestamp":1789726050314,"version":"4.0.1"},"reference-count":28,"publisher":"Cambridge University Press (CUP)","issue":"4","license":[{"start":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T00:00:00Z","timestamp":1785888000000},"content-version":"unspecified","delay-in-days":4,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["cambridge.org"],"crossmark-restriction":true},"short-container-title":["Zygote"],"published-print":{"date-parts":[[2026,8]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n                  <jats:p>This study aimed to investigate the involvement of the Wnt signalling pathway in the pathogenesis of non-obstructive azoospermia (NOA) and to identify potential diagnostic and therapeutic targets. We obtained the gene expression profiles of NOA patients from the GEO database, screened for differentially expressed genes (DEGs) and NOA-associated co-expressing gene modules, then intersected the DEGs with related genes in the Wnt signalling pathway and identified key genes. LASSO regression analysis was used to find hub genes, and qRT-PCR and WB methods were used to verify the expression of key genes in NOA patients. The immune infiltration and GSEA were conducted in order to investigate the relationship between hub genes and immune cells infiltration and NOA-associated pathways; furthermore, we built the miRNA-mRNA-TF regulatory network and predicted possible small molecules drug targets of the hub gene. Four candidate genes were related to NOA: CSNK1G2, GNG3, H2AFB1 and PARD6A. The key hub gene was CSNK1G2 based on the results of the LASSO regression analysis, and its expression level was significantly down-regulated in NOA patients. The immune infiltration analysis and GSEA results showed that the expression level of CSNK1G2 had a close relationship with immune cells infiltration and NOA-related pathways. Furthermore, we built a miRNA-mRNA-TF regulatory network and predicted the possible small molecule drugs of CSNK1G2. Our findings suggest that the Wnt signalling pathway, particularly CSNK1G2, plays a crucial role in the pathogenesis of NOA. CSNK1G2 may be a novel target for the diagnosis and treatment of NOA.<\/jats:p>","DOI":"10.1017\/s0967199426100549","type":"journal-article","created":{"date-parts":[[2026,8,5]],"date-time":"2026-08-05T10:18:59Z","timestamp":1785925139000},"page":"183-197","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":0,"title":["Wnt signalling pathway dysfunction in non-obstructive azoospermia: identifying key genes and potential therapeutic targets"],"prefix":"10.1017","volume":"34","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8312-9827","authenticated-orcid":false,"given":"Xiaobin","family":"Guo","sequence":"first","affiliation":[{"name":"Graduate School of Jinan University"},{"id":[{"id":"https:\/\/ror.org\/02aa8kj12","id-type":"ROR","asserted-by":"publisher"}],"name":"People\u2019s Hospital of Guangxi Zhuang Autonomous 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