TEX14

Last update 23 Jan 2025

Basic Info

Synonyms

cancer/testis antigen 113, CT113, Inactive serine/threonine-protein kinase TEX14

+ [9]

Introduction

Required both for the formation of intercellular bridges during meiosis and for kinetochore-microtubule attachment during mitosis. Intercellular bridges are evolutionarily conserved structures that connect differentiating germ cells and are required for spermatogenesis and male fertility. Acts by promoting the conversion of midbodies into intercellular bridges via its interaction with CEP55: interaction with CEP55 inhibits the interaction between CEP55 and PDCD6IP/ALIX and TSG101, blocking cell abscission and leading to transform midbodies into intercellular bridges. Also plays a role during mitosis: recruited to kinetochores by PLK1 during early mitosis and regulates the maturation of the outer kinetochores and microtubule attachment. Has no protein kinase activity in vitro (By similarity).

100 Clinical Results associated with TEX14

100 Translational Medicine associated with TEX14

0 Patents (Medical) associated with TEX14

Literatures (Medical) associated with TEX14

27 Sep 2024·Medicine

Single nucleotide polymorphisms of CFAP43 and TEX14 associated with idiopathic male infertility in a Vietnamese population

Article

Author: Canh, Nguyen Xuan ; Hai, Nong Van ; Dinh, Tran Huu ; Lan Anh, Luong Thi ; Bac, Nguyen Duy ; Phuong Anh, Nguyen ; Thao, Dinh Huong ; Son, Trinh The ; Duy, La Duc ; Duong, Nguyen Thuy ; Quyet, Pham Van

Male infertility is a multifactorial disease due to spermatogenesis impairment, with etiology remaining unknown for roughly one-third of infertile cases. Several studies have demonstrated that genetic variants are male infertility risk factors. CFAP43 and TEX14 are involved in the spermatogenesis process. The present study aimed to assess the association between single-nucleotide polymorphisms (SNPs) in CFAP43 (rs17116635 and rs10883979) and TEX14 (rs79813370 and rs34818467) and idiopathic male infertility in a Vietnamese population. A cohort of 206 infertile men and 195 controls were recruited for the study. CFAP43 and TEX14 SNPs were genotyped using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Genotypes of randomly selected samples, accounting for 10% of the total, were confirmed using Sanger sequencing. The obtained data were analyzed using statistical methods. The results showed that 4 SNPs (rs17116635, rs10883979, rs79813370, and rs34818467) were in accordance with Hardy-Weinberg Equilibrium (HWE; P > .05). CFAP43 rs10883979 and TEX14 rs79813370 were associated with male infertility. For CFAP43 rs10883979, in the recessive model, the combination AA + AG was associated with male infertility when compared to the GG genotype (OR = 0.26; 95% CI: 0.06–0.85; P = .02). For TEX14 rs79813370, a protective effect against infertility risk was identified in the presence of the T allele of rs79813370 when compared to the G allele (OR = 0.48; 95% CI: 0.32–0.72; P < .001). Our results suggest that CFAP43 rs10883979 and TEX14 rs79813370 are likely associated with male infertility in the Vietnamese population, in which the G allele of rs79813370 may be a risk factor for male infertility.

01 Mar 2024·Andrology

Scrutinizing the human TEX genes in the context of human male infertility

Article

Author: Fros, Marion ; Di Persio, Sara ; Gaikwad, Avinash S ; Wyrwoll, Margot J ; Tüttelmann, Frank ; Neuhaus, Nina ; Kliesch, Sabine ; Oud, Manon S ; Sieper, Marie H ; Weber, Philipp ; Stallmeyer, Birgit

AbstractBackgroundInfertility affects around 15% of all couples worldwide and is increasingly linked to variants in genes specifically expressed in the testis. Well‐established causes of male infertility include pathogenic variants in the genes TEX11, TEX14, and TEX15, while few studies have recently reported variants in TEX13B, TEX13C, FAM9A (TEX39A), and FAM9B (TEX39B).ObjectivesWe aimed at screening for novel potential candidate genes among the human TEX (“testis expressed”) genes as well as verifying previously described disease associations in this set of genes.Materials and methodsTo this end, we screened the exome sequencing data of 1305 men, including 1056 crypto‐ and azoospermic individuals, and determined cell‐specific expression by analyzing testis‐specific single‐cell RNA sequencing data for genes with identified variants. To investigate the overarching role in male fertility, we generated testis‐specific knockdown (KD) models of all 10 orthologous TEX genes in Drosophila melanogaster.ResultsWe detected rare potential disease‐causing variants in TEX10, TEX13A, TEX13B, TEX13C, TEX13D, ZFAND3 (TEX27), TEX33, FAM9A (TEX39A), and FAM9B (TEX39B), in 28 infertile men, of which 15 men carried variants in TEX10, TEX27, and TEX33. The KD of TEX2, TEX9, TEX10, TEX13, ZFAND3 (TEX27), TEX28, TEX30, NFX1 (TEX42), TEX261, and UTP4 (TEX292) in Drosophila resulted in normal fertility.DiscussionBased on our findings, the autosomal dominant predicted genes TEX10 and ZFAND3 (TEX27) and the autosomal recessive predicted gene TEX33, which all three are conceivably required for germ cell maturation, were identified as novel potential candidate genes for human non‐obstructive azoospermia. We additionally identified hemizygous loss‐of‐function (LoF) variants in TEX13B, TEX13C, and FAM9A (TEX39A) as unlikely monogenic culprits of male infertility as LoF variants were also found in control men.ConclusionOur findings concerning the X‐linked genes TEX13B, TEX13C, and FAM9A (TEX39A) contradict previous reports and will decrease false‐positive reports in genetic diagnostics of azoospermic men.

07 Jul 2023·The Journal of chemical physics

Inhibition mechanism of testis-expressed gene 14 (TEX14) in cytokinetic abscission: Well-tempered metadynamics simulation studies.

Article

Author: Cho, Yunju ; Chang, Rakwoo ; Nam, Youhyun ; Lee, Hyung Ho

Cytokinesis requires a apoptosis-linked gene 2 interacting protein X (ALIX) and a 55 kDa midbody centrosomal protein (CEP55) to activate the cell abscission in somatic cells. However, in germ cells, CEP55 forms intercellular bridges with testis-expressed gene 14 (TEX14), which blocks the cell abscission. These intercellular bridges play important roles in the synchronization of the germ cells and facilitate the coordinated passage of organelles and molecules between germ cells. If TEX14 is intentionally removed, intercellular bridges are disrupted, leading to sterility. Hence, a deeper understanding regarding the roles of TEX14 can provide significant insights into the inactivation of abscission and the inhibition of proliferation in cancer cells. Previous experimental studies have shown that the high affinity and low dissociation rate of TEX14 for CEP55 prevent ALIX from binding CEP55 and inactivate the germ cell abscission. However, detailed information about how TEX14 interacts with CEP55 to prevent the cell abscission is still lacking. To gain more specific insights into the interactions between CEP55 and TEX14 and the difference in reactivity between TEX14 and ALIX, we performed well-tempered metadynamics simulations of these protein complexes using atomistic models of CEP55, TEX14, and ALIX. We identified the major binding residues of TEX14 and ALIX with CEP55 by using 2D Gibbs free energy evaluations, the results of which are consistent with previous experimental studies. Our results may help design synthetic TEX14 mimicking peptides, which can bind CEP55 and facilitate the inactivation of abscission in abnormal cells, including cancer cells.

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TEX14

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