20 articles for “Ovaries”

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Research ArticleOpen accessEvery word in the titleMorphology and Histochemistry of the Corpus Luteum (CL) of Ovaries of Pregnant and Infertile CowsEvgeny Skovorodin, Svetlana Bogolyuk, George Bazekin et al.The purpose of our study is to study the functional morphology of the Corpus Luteum (CL) of the ovaries of pregnant and infertile cows in normal and pathological conditions. For that purpose, the ovaries of cows were examined after slaughter, histological and histochemical examination of the CL was carried out. For the antemortem examination of the ovary, the biopsy method … …American Journal of Animal and Veterinary Sciences, Vol. 15, Issue 4 · 23 Oct 2020 · 6,610 accessesView PDF Cite

Research ArticleOpen accessEvery word in the titleIsolation and Culture of Oocytes from Dairy Cows' Ovaries for Productivity in the Southeastern Region of KazakhstanDauren Maratovich Bekenov, Batyrkhan Azimkhanovich Buralkhiev, Yusupzhan Artykovich Yuldashbayev et al.This research work aims to study methods for isolating and culturing follicular oocytes from Holstein cows in vitro. The proven complex of technologies for embryo transplantation on an industrial scale will provide a 3-5-fold acceleration of reproduction of highly productive cows. As a result of scientific research, biotechnological methods of accelerated reproduction of dairy cattle have been substantiated and introduced … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 14 Oct 2024 · 4,298 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsComparison of in vitro Maturation Media on Cattle Oocytes after in vitro Embryo ProductionSindisiwe Mbali Sithole, Masindi Lottus Mphaphathi et al.The study was conducted to compare differences in vitro maturation media and their effect on subsequent in vitro embryo production. The study procedures were approved by the agricultural research council animal ethics committee (Ref no: APAEC 2020/05) and the Tshwane university of technology animal research ethics committee (Ref no: AREC 2021/08/004). Follicular fluid containing a suspension of oocytes was retrieved … …American Journal of Animal and Veterinary Sciences, Vol. 18, Issue 1 · 23 Feb 2023 · 6,912 accessesView PDF Cite

Research ArticleOpen accessIn the keywordsInvestigation of Oocyte Retrieval Methods and Maturation Media on in vitro Development of Porcine EmbryosKayla M. Honneysett, Masindi L. Mphaphathi, Edward C. Webb, Ayanda MaqhashuThe objectives of the study were to: Compare oocyte retrieval methods (aspiration and slicing) from pig ovaries on oocyte quality and quantity; compare in vitro maturation (IVM) media (North Carolina State University -NCSU 37; Tissue Culture Medium-TCM 199; and porcine follicular fluid-mpFF) on oocytes polar body extrusion; compare the effect of Electrical Stimulation (ES) and frozen-thawed semen on cleavage rates … …American Journal of Animal and Veterinary Sciences, Vol. 16, Issue 4 · 5 Jan 2022 · 6,600 accessesView PDF Cite

Review ArticleOpen accessIn the keywordsConnection between Endometriosis and Vitamin D – True or False?Králíčková Milena, Vetvicka VaclavEndometriosis is a serious health problem characterized by the persistence and growth of vascularized tissue at various ectopic sites such as ovaries, bowel, or bladder. Despite decades of intensive research, we are not making significant progress toward the etiology or treatment of this disease. The question of risk factor is similarly unclear, with one possible factor being diet-particularly the intake … …American Journal of Immunology, Vol. 13, Issue 2 · 12 Mar 2017 · 7,022 accessesView PDF Cite

Literature ReviewOpen accessIn the keywordsUnveiling the Complex Relationship between Polycystic Ovary Syndrome and Cardiovascular Risk Factors: A Comprehensive ReviewAnastasia Vladimirovna Poznyak, Victoria Alexandrovna Khotina et al.Polycystic ovary syndrome remains a relatively unexplored endocrine disorder with significant implications for female health. Despite its prevalence and known associations with various metabolic disorders, the specific link between polycystic ovary syndrome and cardiovascular risk factors, particularly atherosclerosis, remains inadequately understood. This review aims to address the existing research gap by investigating the connection between polycystic ovary syndrome and cardiovascular … …OnLine Journal of Biological Sciences, Vol. 25, Issue 1 · 2 Oct 2024 · 4,607 accessesView PDF Cite

Research ArticleOpen accessIn the abstractAugmentation of Temperatures, Media and Cryoprotectants on in vitro Fertilization of Pig OocytesTumelo Thelma Maduwa, Masindi Lottus Mphaphathi et al.There are numerous challenges to the large-scale production of pig embryos using in vitro procedures. The aim of the present study was to compare the different holding temperatures, in vitro maturation media, and permeating cryoprotectants in the in vitro fertilization of pig oocytes. Ovaries were obtained from the local slaughterhouse, oocytes were retrieved by means of aspiration and slicing techniques … …American Journal of Animal and Veterinary Sciences, Vol. 19, Issue 3 · 29 Aug 2024 · 4,650 accessesView PDF Cite

Review ArticleOpen accessIn the abstractThe Impact of Di-2-Ethylhexyl Phthalate (DEHP) in Focus on the Reproductive System and Toxicity in Rat or Mammalian ModelVenkataramanaiah Poli, Srinivasulu Reddy MotireddyAbsalan, F., Saremy, S., Mansouri, E., Moghadam, M. T., Moghadam, A. R. E., & Razie, G. (2016). Effects of Mono-(2-Ethylhexyl) Phthalate and Di-(2-Ethylhexyl) Phthalate Administrations on Oocyte Meiotic Maturation, Apoptosis and Gene Quantification in Mouse Model. Cell Journal, 18(4), 503–513. https://doi.org/10.22074/cellj.2016.4717 Acevedo‐Rodriguez, A., Kauffman, A. S., Cherrington, B. D., Borges, C. S., Roepke, T. A., & Laconi, M. (2018). Emerging … …American Journal of Pharmacology and Toxicology, Vol. 19, Issue 1 · 6 Jun 2024 · 12,990 accessesView PDF Cite

Research ArticleOpen accessIn the abstractCross Talk between Iron Regulatory Proteins and Proinflammatory Molecules in Ovarian Cancer Patients Based on Menopausal StatusHaritha Padannapurath Manoj, Sudha Kuthethur, Reshma Kumarchandra et al.Micronutrient iron is postulated to contribute to the initiation of cancer mainly by the formation of Reactive Oxygen Species (ROS), the key signaling molecules of inflammatory reactions. Iron may also cause elevation of MMP9, a gelatinase responsible for remodeling extracellular matrix in cancer cells through the ROS pathway. Estrogen the hormone which decreases markedly in post menopause is also known … …OnLine Journal of Biological Sciences, Vol. 24, Issue 4 · 31 May 2024 · 4,491 accessesView PDF Cite

Research ArticleOpen accessIn the abstractEffect of two Different Permitting and Combination of Cryoprotectants on Cattle Oocytes Maturation Rate Following Brilliant Cresyl Blue ExposureMasindi Lottus Mphaphathi, Hester Adri O'Neill, Tshimangadzo Lucky NedambaleThe objectives of this study were to elucidate the toxicity of Dimethyl sulfoxide (DMSO), Ethylene glycol (EG), and the combination of both permitting cryoprotectants (CPAs) to cattle oocytes and the effectiveness of Brilliant cresyl blue (BCB) on immature oocytes pre-selection. Cattle ovaries were collected from the local slaughterhouse and transported within 2 hours of slaughter. The oocytes were exposed to … …American Journal of Animal and Veterinary Sciences, Vol. 17, Issue 2 · 6 May 2022 · 6,201 accessesView PDF Cite