Showing 401 - 420 results of 464 for search '"sperm"', query time: 0.06s Refine Results
  1. 401

    Effect of lipoic acid on spermatological and biochemical parameters following equilibration and freeze-thawing of ram semen by Nuri Başpınar, Kenan Çoyan, Mustafa Numan Bucak, Ali Doğan Ömür, Mehmet Bozkurt Ataman, Pınar Peker Akalın, Şükrü Güngör, Caner Öztürk

    “…<p> <b>Results:</b> After equilibration, all doses of lipoic acid did not affect the sperm parameters whereas lipoic acid 1 mM (74.3%) ameliorated motility compared to both control (62.5%) and lipoic acid 4 mM (65.0%) (p<0.001) groups after freeze-thawing. …”
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  2. 402

    Efficacy of clomiphene citrate and tamoxifen on pregnancy rates in idiopathic male subfertility: A systematic review and meta-analysis by Shadi Khashaba, Shehab Khashaba, Anil Krishan, Angus Bruce, Abdullatif Almaghlouth, Jason Huang, Mahmoud Mima, Craig Niederberger

    Published 2025-01-01
    “…Secondary outcomes included serum follicle-stimulating hormone, luteinizing hormone, and testosterone levels, and sperm count and motility. We calculated the pooled odds ratio, risk ratio, and risk difference to ascertain possible alterations in the direction of the pooled effect size. …”
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  3. 403

    常规IVF不受精周期行补救卵母细胞单精子注射 by 李晓虹, 于丛一, 麦美琪, 李予, 苏宁, 魏春霞, 陈静华, 杨冬梓, 张清学

    Published 2007-01-01
    “…【目的】探讨常规体外受精胚胎移植(in vitro fertilization and embryo transfer,IVF-ET)不受精时,应用卵母细胞单精子显微注射(intracytoplasmic sperm injection,ICSI)技术进行补救授精的临床意义。【方法】2001年8月~2005年8月,在499个常规IVF-ET周期中有25个周期完全不受精,进行补救ICSI,并与同期实施的179个正常ICSI周期进行比较。…”
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  4. 404

    Morinda officinalis oligosaccharides alleviate chronic unpredictable mild stress-induced depression through the BDNF/TrkB/CREB pathway and symptoms of sexual dysfunction in mice by Mengjie He, Mengying Hu, Tingqiao Wang, Zeping Zuo, Hongkai Li, Zhiwei Zhao, Yunwen Hao, Xueling Dai, Jianfang Wang, Yaxuan Sun

    Published 2025-01-01
    “…MOO further confirmed that sexual dysfunction is closely related to the development of depression by improving the lack of sexual motivation and low sexual performance in CUMS-induced depressed mice, modulating the disruption of sex hormone secretion in serum, and alleviating sperm morphology and functional defects in the epididymis.ConclusionThese findings on MOO provide a basis for exploring its antidepressant mechanism, its use to improve hypogonadotropic symptoms, and for future development of new antidepressant drug to improves hypogonadotropic symptoms.…”
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  5. 405

    Impact of blastocyst biopsy for preimplantation genetic testing on maternal and neonatal outcomes following single frozen embryo transfer cycles by Tingting He, Wenhao Shi, Xia Xue, Juanzi Shi

    Published 2025-01-01
    “…Therefore, the aim of this study was to investigate whether blastocyst biopsy is associated with an elevated risk of hypertensive disorders of pregnancy (HDP) and other adverse perinatal outcomes during frozen embryo transfer (FET) cycles in singleton live births resulting from intracytoplasmic sperm injection (ICSI) in women aged ≤ 35 years. …”
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  6. 406

    Artificial intelligence and assisted reproductive technology: A comprehensive systematic review by Yen-Chen Wu, Emily Chia-Yu Su, Jung-Hsiu Hou, Ching-Jung Lin, Krystal Baysan Lin, Chi-Huang Chen

    Published 2025-01-01
    “…The findings indicate that AI technologies significantly enhance ART processes by refining tasks such as embryo and sperm analysis and facilitating personalized treatment plans based on predictive modeling. …”
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  7. 407

    Effect of cooling and freezing on the kinematic parameters of ram spermatozoa sexed by modified protocol with TLR7/8 ligand R848 by Yotov Stanimir, Kistanova Elena, Atanasov Anatoli, Ivanova Boyana, Zaimova Darina

    Published 2024-01-01
    “…Four parts were used for sexing and four parts were analyzed as unsexed semen. The sperm sexing was done by application of the TLR7/8 ligand R848 (resiquimod). …”
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  8. 408

    Spatio‐Temporal Patterns of Hybridization in an Alloploid Salamander (Ambystomatidae: Ambystoma) and Conservation Implications of Introgression in a Unisexual Vertebrate by Alessa V. Laserna, Christopher A. Phillips, Andrew R. Kuhns, Mark A. Davis, Joel B. Corush, Ken N. Paige

    Published 2025-01-01
    “…However, in our focal populations, neither parental species is present, and another sexual host, A. texanum (TT), is a required sperm donor. Gynogenetic reproduction involving LJJ and its host A. texanum should result in a clone of the mother (LJJ); however, with the occurrence of kleptogenesis, it often can result in tetraploid hybrids (LJJT). …”
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  9. 409

    MicroRNA-32-5p promotes the proliferation and metastasis of gastric cancer cells by Chao Sun, Lai-gang Huang, Bing Leng, Yanting Guo, Chen Chen, Ruijie Lv, Yan Dong, Tian-tian Gao, De-qing Sun

    Published 2025-01-01
    “…Clonal formation, MTT, caspase-3 activity, sperm DNA fragmentation, flow cytometry assay, cell adhesion, transwell assays were performed to detect the functions of miR-32-5p or anti-miR-32-5p on the growth and metastasis of GC cells. …”
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  10. 410

    Correlation among blastocoel fluid DNA level, apoptotic genes expression and preimplantation aneuploidy by Fattaneh Khajehoseini, Zahra Noormohammadi, Poopak Eftekhari-Yazdi, Hamid Gourabi, Reza Pazhoomand, Shirzad Hosseinishenatal, Masood Bazrgar

    Published 2025-02-01
    “…Day-5 intracytoplasmic sperm injection blastocysts were scored according to the Gardner and Schoolcraft system. …”
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    Article
  11. 411

    Cryopreservation of epididymal semen of domestic cat by S. Ya. Amstislavsky, E. Yu. Brusentsev, V. I. Mokrousova, E. A. Kizilova, V. V. Kozhevnikova, V. A. Naprimerov, I. N. Rozhkova

    Published 2017-11-01
    “…The present study represents a comparison of domestic cat semen cryopreservation with two commercially available cryoprotectant agents (CPAs): CaniPlus Freeze (CPF) and SpermFreeze (SF). Semen was collected from the caudal epididymises of adult males and frozen with CPF and SF, correspondingly. …”
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  12. 412

    Natural repeated backcrosses lead to triploidy and tetraploidy in parthenogenetic butterfly lizards (Leiolepis: Agamidae) by Eduard Galoyan, Roman Nazarov, Marie Altmanová, Sergey Matveevsky, Ivan Kropachev, Dmitrij Dedukh, Eugene Iryshkov, Mark Pankin, Natalia Sopilko, Oleg Nikolaev, Nikolai Orlov, Marine Arakelyan, Jiří Klíma, Evgeniya Solovyeva, Tao Nguyen, Lukáš Kratochvíl

    Published 2025-01-01
    “…It probably originated from fertilisation of an unreduced triploid L. guentherpetersi egg by a L. guttata sperm. Although its external morphology resembles that of the maternal species, it possessed exceptionally large erythrocytes and was likely sterile. …”
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  13. 413
  14. 414

    Single-Cell RNA Sequencing Analysis of Steroidogenesis and Spermatogenesis Impairment in the Testis of db/db Mice by Yun Hu, Ting-Ting Cai, Reng-Na Yan, Bing-Li Liu, Bo Ding, Jian-Hua Ma

    Published 2024-01-01
    “…Single-cell RNA sequencing analysis showed that compared with the control group, the percentage of spermatogonia was significantly higher in the db/db mouse (p<0.001), while the proportions of spermatocytes, round and elongating spermatids, and sperms were all lower in the db/db mouse (p all<0.001). …”
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  15. 415

    Morphology and biochemical variables in rats’placentas with pregestational visceral obesity by Catherina Capote Guitian, Nínive Núñez López, Gladys González Aguilar, Amanda Llanes Tamayo, Maryanis Mosqueda Furones, Gipsis Suárez Román

    Published 2025-01-01
    “…Day 0 of gestation was considered the morning in which copulation was confirmed by the presence of sperm in the douching. Euthanasia was performed on days 14 and 17 of gestation and fetal weight and macroscopic, microscopic and biochemical variables at the placental level were determined.…”
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  16. 416

    Migrated intra-uterine device to infra-umbilical skin: a rare case report by Nigat Amsalu Addis, Yared Alem Sibhat, Yohannis Derbew Molla, Wasihun Nigdu Mengestu, Abebe Sinknew Seid, Michael Argaw Damite, Misganaw Abere Worku

    Published 2024-12-01
    “…The mechanism of action of IUDs as a group is inducing endometrial atrophy, apoptosis, altering tubal motility; preventing sperm permeability, fertilization, and implantation. …”
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  17. 417

    Three regulatory elements upstream of LMO4 are strongly associated with intermittent fertilization intensity in Chicken by Lei Wang, Weijian Fan, Xiuping Wang, Yangming Pan, Xing Hong, Mingze Li, ShiJun Li

    Published 2025-03-01
    “…Recent studies have identified genes influencing sperm-oocyte interactions and immune regulation that impact the fertilization process in chickens. …”
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  18. 418

    First report of non-marine ostracods (Crustacea, Ostracoda) from the Dahlak Archipelago (Eritrea), with the description of two new species by Giampaolo Rossetti, Ilaria Mazzini, Giorgio Chiozzi, Luca Vecchioni, Federico Marrone

    Published 2025-02-01
    “…The specimens analysed of Chrissia martensi n.sp. were all females, none of which had sperm inside the carapace, indicating the possibility of parthenogenetic reproduction in this species. …”
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  19. 419

    Relationship between weapon size and six key behavioural and physiological traits in males of the European earwig by Blackwell, Samantha E M, Pasquier, Laura, Dupont, Simon, devers, Severine, Lecureuil, Charlotte, Meunier, Joël

    Published 2024-06-01
    “…We sampled hundreds of males from two populations, selected 60 males with the longest and shortest forceps from each population, and then measured locomotor performance, boldness, aggregation behaviour, survival under harsh conditions, sperm storage, and survival after pathogen exposure. …”
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  20. 420

    The Impact of Physical Activities on Male Fertility: A Systematic Review by Albert Kapla, Alicja Černohorská, Daria Bednarczyk, Julia Białeta, Karolina Siembab, Katarzyna Rowińska, Michalina Jurkiewicz, Wiktor Garbarczyk, Wiktoria Pysiewicz, Agnieszka Napieralska

    Published 2025-02-01
    “…The objective of this study was to evaluate the relationship of physical activity, special types of physical activity and sedentary lifestyle with sperm parameters in a population of men. Another issue discussed is the negative impact of exercise on fertility, as well as injuries in the perineal region—some of which directly affect organs, surrounding tissues (such as nerves), and regulatory mechanisms like hypothalamic-pituitary-gonadal axis. …”
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