Sperm Cell
Mostrando 1-12 de 323 artigos, teses e dissertações.
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1. Recombinant gonadotropin therapy to improve spermatogenesis in nonobstructive azoospermic patients – A proof of concept study
ABSTRACT Purpose: Nonobstructive azoospermia (NOA) associated with primary spermatogenic failure is a common cause of male infertility usually considered untreatable; however, some reports have suggested that hormonal stimulation to boost the intra-testicular testosterone level and spermatogenesis might increase the chance of achieving pregnancy using homol
International braz j urol. Publicado em: 2022
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2. Semen quality from patients affected by seminomatous and non-seminomatous testicular tumor
ABSTRACT Testicular cancer is considered a rare disease affecting approximately 1% to 2% of the male population. This neoplasm has a cure rate of over 95%; as a result, a major concern is the future of fertility of carriers from this disease. There are several histological subtypes of testicular tumors; however, the Testicular Germ Cell Tumors (TGCTs), compr
Int. braz j urol.. Publicado em: 2021-06
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3. Fertility Enhancing Potency of Omega-3 Fatty Acids in Male Rats
Abstract Cases of some grave side effects of some allopathic medicines used in treatment of infertility has caused a global need for alternatives with minimal or no side effect, hence the demand to evaluate the fertility enhancing potential of omega-3 fatty acids (O3FA) in male rats. This study evaluated the fertility enhancing potential of omega-3 fatty aci
Braz. arch. biol. technol.. Publicado em: 28/11/2019
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4. Improvement of fertility parameters with Tribulus Terrestris and Anacyclus Pyrethrum treatment in male rats
ABSTRACT Objective Anacyclus Pyrethrum (AP) and Tribulus Terrestris (TT) have been reported as male infertility treatment in several studies; however, in Iranian traditional medicine these two plants are prescribed simultaneously. In this study, we aimed to determine the effects of AP and TT extracts both separately and simultaneously on the male Wistar ra
Int. braz j urol.. Publicado em: 07/11/2019
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5. How diseases became “genetic”
Resumo O presente artigo tem o objetivo de examinar as origens do termo “doença genética. No final do século XIX e início do XX, a vaga ideia que a doença manifesta entre familiares refletia uma “predisposição” familiar, foi substituída pela visão que essas doenças possuem causas específicas, enquanto a genética mendeliana forneceu as pista
Ciênc. saúde coletiva. Publicado em: 26/09/2019
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6. MALE ADULT RAT SPERM PARAMETERS AFTER SKELETAL MUSCLE INJURY
RESUMO Introdução: As lesões músculo-esqueléticas estimulam uma resposta inflamatória sistêmica que pode interferir na reprodução das espécies. Objetivo: Avaliar os efeitos causados pelas lesões músculo-esqueléticas sobre a resposta inflamatória e os parâmetros espermáticos de ratos machos adultos. Métodos: O grupo da amostra foi composto
Rev Bras Med Esporte. Publicado em: 29/07/2019
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7. Protective effects of silymarin on methotrexate-induced damages in rat testes
Abstract The present study aimed to investigate the protective effects of silymarin (SMN), an antioxidant, on methotrexate (MTX)-induced damage in rat testes. Thirty-two Wistar albino rats were divided into four groups (n = 8): control, MTX (20 mg/kg, i.p. on days 1 and 5), SMN (200 mg/kg, orally), and MTX + SMN (20 mg/kg, i.p. on days 1 and 5 and SMN 200 mg
Braz. J. Pharm. Sci.. Publicado em: 07/06/2018
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8. Actiflagelin, a new sperm activator isolated from Walterinnesia aegyptia venom using phenotypic screening
Abstract Background Sperm contains a wealth of cell surface receptors and ion channels that are required for most of its basic functions such as motility and acrosome reaction. Conversely, animal venoms are enriched in bioactive compounds that primarily target those ion channels and cell surface receptors. We hypothesized, therefore, that animal venoms shou
J. Venom. Anim. Toxins incl. Trop. Dis. Publicado em: 22/02/2018
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9. Antioxidant enzyme profile and lipid peroxidation products in semen samples of testicular germ cell tumor patients submitted to orchiectomy
ABSTRACT Purpose To determine enzymatic antioxidant and lipid peroxidation levels in seminal plasma of patients orchiectomized for testicular tumors. Materials and Methods The study included 52 patients: 26 control men and 26 orchiectomized patients for testicular tumor, of which 12 men had seminoma tumor and 14 men non-seminoma tumor. After semen analys
Int. braz j urol.. Publicado em: 2017-08
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10. Assessment of the DNA Damage in Human Sperm and Lymphocytes Exposed to the Carcinogen Food Contaminant Furan with Comet Assay
ABSTRACTThe aim of this work was to assess the damage of DNA in human blood cell and spermin vitro under the influence of furan. These cells were administered 0-600 μM of furan at 37 and 32oC for 30 and 60 min, respectively. A significant increase in tail DNA%, tail length and moment indicating DNA damage was observed at increasing doses when compared to th
Braz. arch. biol. technol.. Publicado em: 2015-10
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11. Annual male reproductive activity and stages of the seminiferous epithelium cycle of the large fruit-eating Artibeus lituratus (Chiroptera: Phyllostomidae)
The large fruit-eating phyllostomid bat, Artibeus lituratus (Olfers, 1818), forearm 69-75 mm, body mass 66-82 g, has a diversified geographic distribution in the Neotropical region. Therefore it is subjected to different climatic conditions that affect its reproduction, leading to different reproductive strategies such as continuous reproduction, seasonal mo
Zoologia (Curitiba). Publicado em: 2015-06
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12. Assessment of viability of sperm cells of Litopenaeus vannamei on cryopreservation
Aiming at assessing the cryopreservation potential of Litopenaeus vannamei sperm cells, 74 spermatophores were manually extracted from the sexually mature individuals. After the toxicity test to define the cryoprotectant concentration, suspensions of spermatic cells were cryopreserved in the groups in freezing solutions comprising different cryoprotectants s
Braz. arch. biol. technol.. Publicado em: 18/03/2014