infertility/hypoxie

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Hypoxia-related long noncoding RNAs are associated with varicocele-related male infertility.

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One of the main molecular causes that contributes to varicocele-related male infertility is excess production of reactive oxygen species (ROS). It is believed that hypoxia is an important stimulator of ROS in this condition. Recently, the significant roles of long non-coding RNAs (lncRNAs) in

Varicocele, hypoxia and male infertility. Fluid Mechanics analysis of the impaired testicular venous drainage system.

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BACKGROUND Varicocele is a bilateral vascular disease, involving a network of collaterals and small, retroperitoneal bypasses. The right and the left testicular venous drainage systems are complex and not identical to each other. It was considered a predominantly unilateral (left-sided) disease. Its

Right varicocele and hypoxia, crucial factors in male infertility: fluid mechanics analysis of the impaired testicular drainage system.

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Varicocele is considered a predominantly unilateral left-sided disease. However, since male fertility is preserved with only one healthy testis, infertility perforce represents bilateral testicular dysfunction. It was hypothesized that: (i) right varicocele cannot be diagnosed by palpation and

[Progress in researches on the mechanism of varicocele-induced male infertility].

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Varicocele is one of the most common diseases in the male reproductive system. More and more attention has been drawn to the influence of varicocele on male reproduction recently. Although many experiments and achievements have been made, the mechanism of infertility in varicocele patients has not

Hypoxia-induced apoptosis in the bilateral testes of rats with left-sided varicocele: a new way to think about the varicocele.

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Although the varicocele has been studied for many years, its pathophysiology remains unclear. In this study, we investigated the expression of the alpha subunit of hypoxia-inducible factor 1 (HIF-1 alpha) and determined the apoptosis index (AI) in the testes of rats with varicoceles to study the

Reduction in ovulation or male sex phenotype increases long-term anoxia survival in a daf-16-independent manner in Caenorhabditis elegans.

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Identifying genotypes and phenotypes that enhance an organism's ability to survive stress is of interest. We used Caenorhabditis elegans mutants, RNA interference (RNAi), and the chemical 5-fluorodeoxyuridine (FUDR) to test the hypothesis that a reduction in progeny would increase oxygen deprivation

Neurodegeneration in drop-dead mutant drosophila melanogaster is associated with the respiratory system but not with Hypoxia.

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Mutations in the gene drop-dead (drd) cause diverse phenotypes in adult Drosophila melanogaster including early lethality, neurodegeneration, tracheal defects, gut dysfunction, reduced body mass, and female sterility. Despite the identification of the drd gene itself, the causes of early lethality

Mechanisms of obesity-induced male infertility.

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Male infertility, characterized by hypogonadism, decreased semen quality or ejaculatory dysfunction, accounts for approximately 20% of infertility cases. Obesity and metabolic dysfunction have been identified, among other causal factors, to contribute to male infertility. In the context of the

[Varicocele and its repercussion on infertility. Indications and limitations of surgical intervention].

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According to different Authors, varicocele incidence in unselected population fluctuates from 8 to 22% but in selected population affected by sterility incidence ranges from 21 to 39%. However other Authors have demonstrated that about 50% of patients suffering from varicocele have semen

Varicocele management for infertility and pain: A systematic review.

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Despite being first described two thousand years ago, the varicocele remains a controversial multifaceted disease process with numerous biological consequences including infertility, hypogonadism, and chronic orchidalgia. The underlying mechanisms remain poorly understood and likely include hypoxia,

Hypoxia, innate immunity and infection in the lung.

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The mucosal surface of the lung is the key interface between the external atmosphere and the bloodstream. Normally, this well oxygenated tissue is maintained in state of sterility by a number of innate immune processes. These include a physical and dynamic mucus barrier, the production of

Interleukin-1β, cyclooxygenase-2, and hypoxia-inducible factor-1α in asthenozoospermia.

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Impaired male fertility may have a variety of causes, among which asthenozoospermia. In its etiology, several bioactive substances, such as cytokines may be involved. In this context, our aim was to evaluate the expression of interleukin-1β, cyclooxygenase-2, and hypoxia-inducible factor-1α, in

Hypoxia-inducible factor-1alpha: A promising therapeutic target in endometriosis.

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Endometriosis is a common gynecologic disease defined as the presence of ectopic endometrial tissues on the ovaries and pelvic peritoneum, and it is a significant cause of pelvic pain, dysmenorrhea and infertility of women in their reproductive age. However, the etiology of endometriosis remains

Hypoxia reduces testosterone synthesis in mouse Leydig cells by inhibiting NRF1-activated StAR expression.

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Male fertility disorders play a key role in half of all infertility cases. Reduction in testosterone induced by hypoxia might cause diseases in reproductive system and other organs. Hypoxic exposure caused a significant decrease of NRF1. Software analysis reported that the promoter region of

Advances in the Application of Biomimetic Endometrium Interfaces for Uterine Bioengineering in Female Infertility.

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The Asherman's syndrome, also known as intrauterine adhesion, often follows endometrium injuries resulting from dilation and curettage, hysteroscopic resection, and myomectomy as well as infection. It often leads to scarring formation and female infertility. Pathological changes mainly include gland

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