Search Results - "Vajta, G."

Risk of contamination of germplasm during cryopreservation and cryobanking in IVF units by Bielanski, A., Vajta, G.

“…Cryopreservation of sperm, embryos and, more recently, oocytes plays an important and increasing role in assisted reproduction, due to improvements of old, and…”
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Consistent and predictable delivery rates after oocyte vitrification: an observational longitudinal cohort multicentric study by Rienzi, Laura, Cobo, Ana, Paffoni, Alessio, Scarduelli, Claudia, Capalbo, Antonio, Vajta, Gábor, Remohí, José, Ragni, Guido, Ubaldi, Filippo Maria

“…BACKGROUND An efficient method for cryopreservation of human oocytes may offer solutions to legal and ethical problems in routine infertility programs and may…”
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No evidence of association between blastocyst aneuploidy and morphokinetic assessment in a selected population of poor-prognosis patients: a longitudinal cohort study by Rienzi, L, Capalbo, A, Stoppa, M, Romano, S, Maggiulli, R, Albricci, L, Scarica, C, Farcomeni, A, Vajta, G, Ubaldi, F.M

“…Abstract Recent studies involving a limited number of patients have indicated a correlation between aneuploidy and various morphokinetic parameters during…”
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Current status and future direction of cryopreservation of camelid embryos by Herrid, M., Vajta, G., Skidmore, J.A.

“…Over the past 3 decades, and similar to the horse industry, fresh embryo transfer has been widely practiced on large commercial scales in different camelid…”
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Establishment of an efficient somatic cell nuclear transfer system for production of transgenic pigs by Vajta, G, Callesen, H

“…Handmade cloning (HMC) is now an established procedure used in several species for somatic cell nuclear transfer, but only applied in two related laboratories…”
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High in vitro development after somatic cell nuclear transfer and trichostatin A treatment of reconstructed porcine embryos by Li, J., Svarcova, O., Villemoes, K., Kragh, P.M., Schmidt, M., Bøgh, I.B., Zhang, Y., Du, Y., Lin, L., Purup, S., Xue, Q., Bolund, L., Yang, H., Maddox-Hyttel, P., Vajta, G.

“…Abnormal epigenetic modification is supposed to be one of factors accounting for inefficient reprogramming of the donor cell nuclei in ooplasm after somatic…”
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Pregnancies and piglets from large white sow recipients after two transfer methods of cloned and transgenic embryos of different pig breeds by Schmidt, M., Kragh, P.M., Li, J., Du, Y., Lin, L., Liu, Y., Bøgh, I.B., Winther, K.D., Vajta, G., Callesen, H.

“…The aim of this study was to report from a larger study with pregnancy and delivery results after transfer of cloned transgenic/non-transgenic Large White or…”
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Effective cryopreservation of human embryonic stem cells by the open pulled straw vitrification method by Reubinoff, B.E., Pera, M.F., Vajta, G., Trounson, A.O.

“…BACKGROUND: Human embryonic stem (ES) cells originate from the inner cell mass of the blastocyst, and retain in culture the properties of pluripotent cells of…”
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Open pulled straw (OPS) vitrification: a new way to reduce cryoinjuries of bovine ova and embryos by Vajta, G, Holm, P, Kuwayama, M, Booth, P.J, Jacobsen, H, Greve, T, Callesen, H

“…Although cryopreservation of certain mammalian embryos is now a routine procedure, considerable differences of efficiency exist depending on stage, species and…”
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Piglets born from handmade cloning, an innovative cloning method without micromanipulation by Du, Y., Kragh, P.M., Zhang, Y., Li, J., Schmidt, M., Bøgh, I.B., Zhang, X., Purup, S., Jørgensen, A.L., Pedersen, A.M., Villemoes, K., Yang, H., Bolund, L., Vajta, G.

“…Porcine handmade cloning (HMC), a simplified alternative of micromanipulation based traditional cloning (TC) has been developed in multiple phases during the…”
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High hydrostatic pressure: a new way to improve in vitro developmental competence of porcine matured oocytes after vitrification by Du, Y, Pribenszky, C S, Molnár, M, Zhang, X, Yang, H, Kuwayama, M, Pedersen, A M, Villemoes, K, Bolund, L, Vajta, G

“…The purpose of the present study was to improve cryotolerance using high hydrostatic pressure (HHP) pretreatment of porcine in vitro matured (IVM) oocytes, to…”
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Increased stress tolerance of matured pig oocytes after high hydrostatic pressure treatment by Pribenszky, Cs, Du, Y., Molnár, M., Harnos, A., Vajta, G.

“…The present paper describes a method which uses high hydrostatic pressure as a pre-treatment to in vitro matured porcine oocytes to improve their survival…”
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New culture devices in ART by Rienzi, L, Vajta, G, Ubaldi, F

“…Abstract During the past decades, improvements in culture of preimplantation embryos have contributed substantially in the success of human assisted…”
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New method for culture of zona-included or zona-free embryos: The Well of the Well (WOW) system by Vajta, G., Peura, T.T., Holm, P., Páldi, A., Greve, T., Trounson, A.O., Callesen, H.

“…Culture of mammalian zygotes individually and in small groups results in lower developmental rates than culture of large groups. Zona‐free zygotes also have…”
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Immunohistochemical and ultrastructural characterization of the initial post-hatching development of bovine embryos by Maddox-Hyttel, P, Alexopoulos, NI, Vajta, G, Lewis, I, Rogers, P, Cann, L, Callesen, H, Tveden-Nyborg, P, Trounson, A

“…The problems of sustaining placenta formation in embryos produced by nuclear transfer have emphasized the need for basic knowledge about epiblast formation and…”
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Controlled Stress Improves Oocyte Performance – Cell Preconditioning in Assisted Reproduction by Pribenszky, C, Lin, L, Du, Y, Losonczi, E, Dinnyes, A, Vajta, G

“…A recently emerged concept utilizing a controlled environmental impact as a treatment for cells and tissues aims to improve neither the in vitro conditions nor…”
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Vitrification in assisted reproduction: myths, mistakes, disbeliefs and confusion by Vajta, G, Nagy, ZP, Cobo, A, Conceicao, J, Yovich, J

“…Abstract The purpose of this work is to update embryologists and clinicians on different approaches in human oocyte and embryo cryopreservation, by clarifying…”
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Open pulled straw vitrification and slow freezing of sheep IVF embryos using different cryoprotectants by Bhat, M H, Sharma, V, Khan, F A, Naykoo, N A, Yaqoob, S H, Vajta, G, Khan, H M, Fazili, M R, Ganai, N A, Shah, R A

“…The aim of the present study was to evaluate the post-thaw survival and hatching rates of sheep blastocysts using different cryoprotectants. In Experiment 1,…”
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Open pulled straw vitrification of in vitro matured sheep oocytes using different cryoprotectants by Bhat, M.H., Yaqoob, S.H., Khan, F.A., Waheed, S.M., Sharma, V., Vajta, G., Ganai, N.A., Shah, R.A.

“…The aim of this study was to compare the survival and in vitro development of sheep oocytes after open pulled straw vitrification and different final…”
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46 The outcome of oocyte freezing as compared with embryo freezing by Ubaldi, F.M, Vajta, G, Rienzi, L

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