نتایج جستجو برای: ivm

تعداد نتایج: 1062  

2016
Neil Stephens Martin Ruivenkamp

In vitro meat (IVM), also known as cultured meat, involves growing cells into muscle tissue to be eaten as food. The technology had its most high-profile moment in 2013 when a cultured burger was cooked and tasted in a press conference. Images of the burger featured in the international media and were circulated across the Internet. These images-literally marks on a two-dimensional surface-do i...

Journal: :Theriogenology 2008
M Nagano K Uchikura Y Takahashi M Hishinuma

This study was conducted to improve in vitro production of embryos from domestic cats using TCM-199 as an IVM medium. The time sequence of nuclear maturation and the optimal timing of in vitro insemination were examined. Most oocytes were at the germinal vesicle stage immediately after collection; however, 8.3% had already resumed meiosis before IVM culture. After 30 h of IVM culture, the perce...

2014
Eun Mi Chang Hang Seok Song Dong Ryul Lee Woo Sik Lee Tae Ki Yoon

IVM refers to the maturation of immature oocytes in culture after their recovery from small antral follicles at the stage prior to selection and dominance. IVM requires little or no FSH in vivo and has been proposed as an alternative to conventional IVF, since it reduces the primary adverse effects caused by controlled ovarian stimulation, including the ovarian hyperstimulation syndrome. Moreov...

Journal: :Trends in parasitology 2014
Karina M Lizzi Whitney A Qualls Scott C Brown John C Beier

Integrated Vector Management (IVM) strategies are intended to protect communities from pathogen transmission by arthropods. These strategies target multiple vectors and different ecological and socioeconomic settings, but the aggregate benefits of IVM are limited by the narrow focus of its approach; IVM strategies aim only to control arthropod vectors. We argue that IVM should encompass environ...

Journal: :Reproduction 2011
Ning Wang Liya Wang Fang Le Qitao Zhan Yingming Zheng Guolian Ding Xijing Chen Jianzhong Sheng Minyue Dong Hefeng Huang Fan Jin

Despite the efforts to recapitulate the follicle environment, oocytes from in vitro maturation (IVM) have poorer developmental potential than those matured in vivo and the effects on the resultant offspring are of concern. The aim of this study was to determine altered gene expression in oocytes following IVM and to evaluate the expression of the arginine rich, mutated in early stage of tumors ...

2011
Mike Y. Osei-Atweneboana Kwablah Awadzi Simon K. Attah Daniel A. Boakye John O. Gyapong Roger K. Prichard

BACKGROUND Ivermectin (IVM) has been used in Ghana for over two decades for onchocerciasis control. In recent years there have been reports of persistent microfilaridermias despite multiple treatments. This has necessitated a reexamination of its microfilaricidal and suppressive effects on reproduction in the adult female Onchocerca volvulus. In an initial study, we demonstrated the continued p...

Journal: :Human reproduction 2008
Weon-Young Son Jin-Tae Chung Belen Herrero Nicola Dean Ezgi Demirtas Hananel Holzer Shai Elizur Ri-Cheng Chian Seang Lin Tan

BACKGROUND The efficiency of in vitro maturation (IVM) techniques is suboptimal compared with controlled ovarian stimulation combined with IVF cycles, and studies are needed to identify factors that predispose IVM cycles to success or failure. We compared the outcome of IVM cycles with different dominant follicle (DF) size at oocyte retrieval following hCG priming. METHODS IVM was performed i...

Journal: :ISPRS Int. J. Geo-Information 2017
Qianqian Ba Yumin Chen Susu Deng Qianjiao Wu Jiaxin Yang Jingyi Zhang

Landslides, as geological hazards, cause significant casualties and economic losses. Therefore, it is necessary to identify areas prone to landslides for prevention work. This paper proposes an improved information value model based on gray clustering (IVM-GC) for landslide susceptibility mapping. This method uses the information value derived from an information value model to achieve suscepti...

Journal: :Human reproduction 2004
D Strassburger S Friedler A Raziel E Kasterstein M Schachter R Ron-El

BACKGROUND The use of immature oocytes is limited to cases where these are the only available oocytes, and they are usually only microinjected with sperm after having undergone maturation in vitro. This study compares the outcome of injection of sperm into metaphase I oocytes immediately after their denudation (MI) performed 2 h after their retrieval, with the outcome of injection of sperm into...

Journal: :Journal of vector ecology : journal of the Society for Vector Ecology 2004
Pongsri Tippawangkosol Wej Choochote Kesara Na-Bangchang Atchariya Jitpakdi Benjawan Pitasawat Doungrat Riyong

Scanning electron microscopy (SEM) was employed to observe the effects of ivermectin (IVM), diethylcarbamazine (DEC), and albendazole (ALB) alone, and the drugs in combination (ALB+IVM and ALB+DEC) against infective third stage larvae (L3) of nocturnally subperiodic (NSP) Brugia malayi (Narathiwat strain) in vitro. IVM, at a concentration of 10(-4) M, killed L3 within 1-2 h. The SEM data showed...

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