Strategies to Ameliorate Oxidative Stress During Assisted Reproduction

Strategies to Ameliorate Oxidative Stress During Assisted Reproduction

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Withania sominifera could potentially supplement routine treatment of male infertility.

A B S T R A C T To manage male infertility caused by hormonal imbalance, infections and other predicaments, multifarious treatment strategies are emerging worldwide. The beneficial effects induced by oral intake of the roots of a small evergreen shrub, Withania sominifera Ashwagandha on semen quality of infertile men have previously been studied.

Oral intake of Ashwagandha roots has been found to inhibit lipid peroxidation, improve sperm count and motility, and regulate reproductive hormone levels. The molecular mechanisms of these effects, however, are yet to be unveiled. Hormonal regulation.

Growth factors, roe deer, male , Medicinal herbs , Sperm Count , Semen Quality , Cholinesterase inhibiting withanolides from Withania somnifera. View on rbmojournal. Save to Library.

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Testicular Heat Stress and Sperm Quality more. Male Infertility. Contemporary and future insights into fertility preservation in male cancer patients more. In recent years, survival rates of cancer patients have increased, resulting in a shift of focus from quantity to quality of life.

A key aspect of quality of life is fertility potential; patients suffering from iatrogenic infertility A key aspect of quality of life is fertility potential; patients suffering from iatrogenic infertility often become depressed. Currently, the only reliable method of male fertility preservation is sperm banking. For patients who are unable to provide semen samples by the conventional method of masturbation, there are other techniques such as electroejaculation, microsurgical epididymal sperm aspiration and testicular sperm extraction that can be employed.

Unfortunately, it is presently impossible to preserve the fertility potential of pre-pubertal patients. Due to the increasing numbers of adolescent cancer patients surviving treatment, extensive research is being conducted into several possible methods such as testicular tissue cryopreservation, xenografting, in vitro gamete maturation and even the creation of artificial gametes.

However, in spite of its ease, safety, convenience and many accompanying benefits, sperm banking remains underutilized in cancer patients. There are several barriers involved such as the lack of information and the urgency to begin treatment, but various measures can be put in place to overcome these barriers so that sperm banking can be more widely utilized.

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Characterizing semen parameters and their association with reactive oxygen species in infertile men more. Background: A routine semen analysis is a first step in the laboratory evaluation of the infertile male. In addition, other tests such as measurement of reactive oxygen species can provide additional information regarding the etiology of Reproductive technology.

Reproductive Techniques, Assisted. Antioxidants -- therapeutic use. Reproductive Medicine. Summary This book discusses the various antioxidants that are in use to overcome oxidative stress in an assisted reproduction setting. Antioxidant therapies may range from enzymatic and non-enzymatic antioxidants, either alone or in combination. While no one antioxidant regime has been identified as effective in improving fertilization and pregnancy rates, antioxidant supplementation has been shown to defend sperm cells from lipid peroxidation and oxidative damage to DNA, and thus improve pregnancy rates.

The prevention of oxidative stress and its consequent damage is imperative to ensure a successful outcome of the in vitro fertilization procedure and embryo transfer. Strategies that could be employed to minimize or prevent the detrimental effects of OS during assisted reproduction include supplementation with various types of antioxidants. Notes Description based upon print version of record.

Strategies to Ameliorate Oxidative Stress During Assisted Reproduction

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Online Access. Available for document delivery. Developing advanced diagnostic and therapeutic options for OS is essential to improve fertility potential and limit genetic diseases transmitted to offspring. Cambridge: Cambridge University Press; Reference values of reactive oxygen species in seminal ejaculates using chemiluminescence assay. J Assist Reprod Genet ; The relationship between perceived stigma, disclosure patterns, support and distress in new attendees at an infertility clinic.

Hum Reprod ; Alahmar A. Effect of Vitamin C, Vitamin E, zinc, selenium, and coenzyme Q10 in infertile men with idiopathic oligoasthenozoospermia. Int J Infertil Fetal Med ; Henkel R, Schill WB. Sperm separation in patients with urogenital infections. Andrologia ;30 Suppl Bacterial infection and semen quality. J Reprod Immunol ; Chronic orchitis: A neglected cause of male infertility? Andrologia ; Cavallini G.

Male idiopathic oligoasthenoteratozoospermia. Asian J Androl ; World Health Organization reference values for human semen characteristics. Hum Reprod Update ; Role of reactive oxygen species in male infertility: An updated review of literature. Arab J Urol ; Effect of oxidative stress on male reproduction. World J Mens Health ; Etiologies of sperm oxidative stress. Int J Reprod Biomed Yazd ; Oxidative stress and male infertility. Nat Rev Urol ; Sperm DNA damage caused by oxidative stress: Modifiable clinical, lifestyle and nutritional factors in male infertility.

Reprod Biomed Online ; Liang R, Ghaffari S. Stem cells, redox signaling, and stem cell aging. Antioxid Redox Signal ; Boveris A, Chance B. The mitochondrial generation of hydrogen peroxide. General properties and effect of hyperbaric oxygen.

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Biochem J ; Development of an image analysis system to monitor the retention of residual cytoplasm by human spermatozoa: Correlation with biochemical markers of the cytoplasmic space, oxidative stress, and sperm function. J Androl ; Andrology ; Effect of transient scrotal hyperthermia on sperm parameters, seminal plasma biochemical markers, and oxidative stress in men. Tremellen K.

Background

Oxidative stress and male infertility — A clinical perspective. The relation between reactive oxygen species and cytokines in andrological patients with or without male accessory gland infection. Reactive oxygen species released by activated neutrophils, but not by deficient spermatozoa, are sufficient to affect normal sperm motility.

Fertil Steril ; Henkel RR. Leukocytes and oxidative stress: Dilemma for sperm function and male fertility. Value of detecting leukocytospermia in the diagnosis of genital tract infection in subfertile men. White tea consumption restores sperm quality in prediabetic rats preventing testicular oxidative damage. Cigarette smoking and semen quality: A new meta-analysis examining the effect of the world health organization laboratory methods for the examination of human semen. Eur Urol ; Leukocytospermia is associated with increased reactive oxygen species production by human spermatozoa.

Does alcohol have any effect on male reproductive function? A review of literature. Queiroz EK, Waissmann W. Occupational exposure and effects on the male reproductive system. Cad Saude Publica ; Tiligada E. Chemotherapy: Induction of stress responses.

Endocr Relat Cancer ;13 Suppl 1:S Alpha-lipoic acid attenuates x-irradiation-induced oxidative stress in mice. Cell Biol Toxicol ; Physiologic and pathologic levels of reactive oxygen species in neat semen of infertile men. Fraczek M, Kurpisz M. The redox system in human semen and peroxidative damage of spermatozoa.

Postepy Hig Med Dosw Online ; Antioxidative enzymes — structure, properties, functions. Pol Merkur Lekarski ; Superoxide dismutase isoenzymes in human seminal plasma and spermatozoa. Mol Hum Reprod ; Seminal superoxide dismutase activity and its relationship with semen quality and SOD gene polymorphism. Scibior D, Czeczot H.

Catalase: Structure, properties, functions. Capacitation as a regulatory event that primes spermatozoa for the acrosome reaction and fertilization. Correlation between sperm parameters and protein expression of antioxidative defense enzymes in seminal plasma: A pilot study. Dis Markers ; Studies on the origin of redox enzymes in seminal plasma and their relationship with results of in vitro fertilization.

Glutathione peroxidase activity in seminal plasma and its relationship to classical sperm parameters and in vitro fertilization-intracytoplasmic sperm injection outcome.

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