azoospermia/tyrosine

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Azoospermia in mice with targeted disruption of the Brek/Lmtk2 (brain-enriched kinase/lemur tyrosine kinase 2) gene.

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Brek/Lmtk2 (brain-enriched kinase/lemur tyrosine kinase 2) is a member of the Aatyk family of kinases that comprises Aatyk1, Brek/Lmtk2/Aatyk2, and Aatyk3. Although several potential roles have been proposed for Brek and other Aatyk family members, the physiological functions of these kinases remain

Identification of target messenger RNA substrates for the murine deleted in azoospermia-like RNA-binding protein.

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The murine autosomal deleted in azoospermia-like protein (mDAZL) is a germ cell-restricted RNA-binding protein essential for sperm production. Homozygous disruption of the mDAZL gene results in the absence of germ cells beyond the spermatogonial stage. Progress into the function of DAZL in

Overexpression of STRA8, BOULE, and DAZL Genes Promotes Goat Bone Marrow-Derived Mesenchymal Stem Cells In Vitro Transdifferentiation Toward Putative Male Germ Cells.

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Bone marrow mesenchymal stem cells (BMSCs), which are well characterized and widely utilized adult stem cells, encompass the capacity to commit to a variety of cell types. This study was conducted to develop an effective way to induce goat BMSCs (gBMSCs) to transdifferentiate toward putative male

Effect of a new injectable male contraceptive on the seminal plasma amino acids studied by proton NMR spectroscopy.

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Effect of RISUG, a newly developed male contraceptive, on various amino acids of seminal plasma ejaculates was studied by proton magnetic resonance spectroscopy at 400 MHz. Levels of amino acids were compared with the seminal plasma of obstructive azoospermia and controls. Glutamic acid, glutamine,

[Correlation of single nucleotide polymorphisms rs995030 and rs4474514 of the KITLG gene with male infertility].

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To investigate the correlation of the single nucleotide polymorphisms rs995030 and rs4474514 of the tyrosine kinase receptor-specific ligand (KITLG) gene with the risk of male infertility.This study included 360 patients with idiopathic male infertility and

Overexpression of STRA8, BOULE, and DAZL Genes Promotes Goat Bone Marrow-Derived Mesenchymal Stem Cells In Vitro Transdifferentiation Toward Putative Male Germ Cells.

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RT-qPCR for PHOX2B mRNA is a highly specific and sensitive method to assess neuroblastoma minimal residual disease in testicular tissue.

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Neuroblastoma (NB) is the most common type of extracranial solid tumor in children with a high prevalence in toddlers. For childhood cancer survivors, preservation of reproductive potential is an important factor for quality of life. The optimization of NB minimal residual disease (MRD) detection in

Identification of biochemical differences between different forms of male infertility by nuclear magnetic resonance (NMR) spectroscopy.

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OBJECTIVE The aim of this study was to analyze the seminal plasma of patients with idiopathic/male factor infertility and healthy controls with proven fertility by NMR spectroscopy, with a hope of establishing difference in biomarker profiles, if any, between the groups. METHODS A total of 103

Exogenous supplementation of Activin A enhances germ cell differentiation of human embryonic stem cells.

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Human embryonic stem cells (hESCs) derived in the presence of Activin A (ActA) demonstrate an increased differentiation propensity toward the germ cell lineage. In addition, mouse epiblast stem cells and mouse epiblast-like cells are poised toward germ cell differentiation and are derived in the

Characterization of male germ cell markers in canine testis.

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Spermatogenesis begins at puberty and continues throughout a male's life. This process is initiated and maintained by spermatogonial stem cells in the seminiferous tubules, and these cells produce haploid spermatozoa. Markers of male germ cells have been fully identified in rodents, including mice

Estrogen promotes Leydig cell engulfment by macrophages in male infertility.

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Male infertility accounts for almost half of infertility cases worldwide. A subset of infertile men exhibit reduced testosterone and enhanced levels of estradiol (E2), though it is unclear how increased E2 promotes deterioration of male fertility. Here, we utilized a transgenic mouse strain that

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