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embryo in vitro production

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https://www.readbyqxmd.com/read/29340165/nitric-oxide-induced-by-indian-ginseng-root-extract-inhibits-infectious-bursal-disease-virus-in-chicken-embryo-fibroblasts-in-vitro
#1
Bhaskar Ganguly, Vijaypillai Umapathi, Sunil Kumar Rastogi
Infectious Bursal Disease is a severe viral disease of chicken responsible for serious economic losses to poultry farmers. The causative agent, Infectious Bursal Disease virus, is inhibited by nitric oxide. Root extract of the Indian ginseng, Withania somnifera, inhibits Infectious Bursal Disease virus in vitro. Also, Withania somnifera root extract is known to induce nitric oxide production in vitro. Therefore, the present study was undertaken to determine if the inhibitory activity of Withania somnifera against Infectious Bursal Disease virus was based on the production of nitric oxide...
2018: Journal of Animal Science and Technology
https://www.readbyqxmd.com/read/29336140/synthesis-of-cisplatin-iv-prodrug-tethered-cufes2-nanoparticles-in-tumor-targeted-chemotherapy-and-photothermal-therapy
#2
Wubshet Mekonnen Girma, Shin-Hwa Tzing, Po-Jen Tseng, Chih-Ching Huang, Yong-Chien Ling, Jia-Yaw Chang
In this study, for the first time, CuFeS2 nanocrystals were successfully prepared through a facile noninjection-based synthetic strategy, by reacting Cu and Fe precursors with dodecanethiol in a 1-octadecene solvent. This one-pot noninjection strategy features easy handling, large-scale production, and high synthetic reproducibility. Following hyaluronic acid (HA) encapsulation, CuFeS2 nanocrystals coated with HA (CuFeS2@HA) not only readily dispersed in water and showed improved biocompatibility, but also possessed a tumor-specific targeting ability of cancer cells bearing the cluster determinant 44 (CD44) receptors...
January 16, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29312602/tanshinone-iia-inhibits-angiogenesis-in-human-endothelial-progenitor-cells-in-vitro-and-in-vivo
#3
Hsiang-Ping Lee, Yueh-Ching Liu, Po-Chun Chen, Huai-Ching Tai, Te-Mao Li, Yi-Chin Fong, Chih-Shiang Chang, Min-Huan Wu, Li-Pin Chiu, Chia-Jung Wang, Yi-Hsuan Chen, Yih-Jer Wu, Chih-Hsin Tang, Shih-Wei Wang
Accumulating evidence reports that bone marrow-derived endothelial progenitor cells (EPCs) regulate angiogenesis, postnatal neovascularization and tumor metastasis. It has been suggested that understanding the molecular targets and pharmacological functions of natural products is important for novel drug discovery. Tanshinone IIA is a major diterpene quinone compound isolated from Danshen (Salvia miltiorrhiza) and is widely used in traditional Chinese medicine (TCM). Evidence indicates that tanshinone IIA modulates angiogenic functions in human umbilical vein endothelial cells...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29305835/vitrification-of-germinal-vesicle-stage-equine-oocytes-effect-of-cryoprotectant-exposure-time-on-in-vitro-embryo-production
#4
Heloísa Siqueira Canesin, Joao Gatto Brom-de-Luna, Young-Ho Choi, Amanda Macedo Pereira, Gustavo Guerino Macedo, Katrin Hinrichs
Previous studies have found low rates of blastocyst development (0-11%) after vitrification of germinal vesicle (GV)-stage equine oocytes. In this study, we systematically evaluated a short (non-equilibrating) system for GV-stage oocyte vitrification. In Exp. 1, we assessed oocyte volume in cumulus-oocyte complexes (COCs) exposed to components of a short protocol, using 2% each of ethylene glycol and propylene glycol in the first solution (VS1); 17.5% of each plus 0.3 M trehalose in the second solution (VS2); and fetal bovine serum as the base medium...
January 3, 2018: Cryobiology
https://www.readbyqxmd.com/read/29304340/capturing-totipotent-stem-cells
#5
REVIEW
Christopher L Baker, Martin F Pera
Minority subpopulations within embryonic stem cell cultures display an expanded developmental potential similar to that of early embryo blastomeres or the early inner cell mass. The ability to isolate and culture totipotent cells capable of giving rise to the entire conceptus would enhance our capacity to study early embryo development, and might enable more efficient generation of chimeric animals for research and organ production for transplantation. Here we review the biological and molecular characterization of cultured cells with developmental potential similar to totipotent blastomeres, and assess recent progress toward the capture and stabilization of the totipotent state in vitro...
January 4, 2018: Cell Stem Cell
https://www.readbyqxmd.com/read/29288822/copper-containing-mesoporous-bioactive-glass-promotes-angiogenesis-in-an-in-vivo-zebrafish-model
#6
Lilian B Romero-Sánchez, Manuel Marí-Beffa, Paloma Carrillo, Miguel Ángel Medina, Aránzazu Díaz-Cuenca
The osteogenic and angiogenic responses of organisms to the ionic products of degradation of bioactive glasses (BGs) are being intensively investigated. The promotion of angiogenesis by copper (Cu) has been known for more than three decades. This element can be incorporated to delivery carriers, such as BGs, and the materials used in biological assays. In this work, Cu-containing mesoporous bioactive glass (MBG) in the SiO2-CaO-P2O5 compositional system was prepared incorporating 5% mol Cu (MBG-5Cu) by replacement of the corresponding amount of Ca...
December 27, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29281695/maternal-metabolism-affects-endometrial-expression-of-oxidative-stress-and-foxl2-genes-in-cattle
#7
Audrey Lesage-Padilla, Niamh Forde, Mélanie Poirée, Gareth D Healey, Corinne Giraud-Delville, Pierrette Reinaud, Caroline Eozenou, Anaïs Vitorino Carvalho, Laurent Galio, Mariam Raliou, Jean-François Oudin, Christophe Richard, I Martin Sheldon, Gilles Charpigny, Pat Lonergan, Olivier Sandra
Intensive selection for milk production has led to reduced reproductive efficiency in high-producing dairy cattle. The impact of intensive milk production on oocyte quality as well as early embryo development has been established but few analyses have addressed this question at the initiation of implantation, a critical milestone ensuring a successful pregnancy and normal post-natal development. Our study aimed to determine if contrasted maternal metabolism affects the previously described sensory properties of the endometrium to the conceptus in cattle...
2017: PloS One
https://www.readbyqxmd.com/read/29280529/protective-effects-of-melatonin-on-the-in%C3%A2-vitro-developmental-competence-of-bovine-oocytes
#8
Yunwei Pang, Shanjiang Zhao, Yeqing Sun, Xiaolong Jiang, Haisheng Hao, Weihua Du, Huabin Zhu
The present study investigated the effects of melatonin on bovine oocyte maturation and subsequent embryonic development in vitro. Results showed that the nuclear and cytoplasmic maturation, characterized by first polar body extrusion, normal distribution of cortical granules and mitochondria, as well as increased mitochondrial membrane potential, were significantly improved in 10-9  mol/L melatonin-treated oocytes. Melatonin supplementation reduced intracellular reactive oxygen species level and enhanced glutathione production...
December 27, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/29274910/disruption-of-liver-development-and-coagulation-pathway-by-ochratoxin-a-in-embryonic-zebrafish
#9
Ting-Shuan Wu, Yu-Ting Lin, Ying-Tzu Huang, Ya-Chih Cheng, Feng-Yih Yu, Biing-Hui Liu
Ochratoxin A (OTA) is a mycotoxin that is found in various food and feed products. The molecular mechanisms that are associated with OTA hepatotoxicity and teratogenicity have not been extensively elucidated in a developing organism. In this study, the transcriptomic profile of zebrafish embryos indicates that hemostasis and blood coagulation are the top two pathways affected by OTA. The treatment of embryos with OTA was able to decrease the expression of genes that encode coagulation factors and liver markers, including f7, f9b, cp and vtna...
December 21, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/29260383/oxidative-stress-in-granulosa-cells-contributes-to-poor-oocyte-quality-and-ivf-et-outcomes-in-women-with-polycystic-ovary-syndrome
#10
Qiaohong Lai, Wenpei Xiang, Qing Li, Hanwang Zhang, Yufeng Li, Guijin Zhu, Chengliang Xiong, Lei Jin
The increased levels of intracellular reactive oxygen species (ROS) in granulosa cells (GCs) may affect the pregnancy results in women with polycystic ovary syndrome (PCOS). In this study, we compared the in vitro fertilization and embryo transfer (IVF-ET) results of 22 patients with PCOS and 25 patients with tubal factor infertility and detected the ROS levels in the GCs of these two groups. Results showed that the PCOS group had significantly larger follicles on the administration day for human chorionic gonadotropin than the tubal factor group (P < 0...
December 19, 2017: Frontiers of Medicine
https://www.readbyqxmd.com/read/29249771/synthesis-of-novel-class-of-n-alkyl-isatin-3-iminobenzoic-acid-derivatives-and-their-biological-activity-in-zebrafish-embryos-and-human-cancer-cell-lines
#11
Muhammad Farooq, Zainab M Almarhoon, Nael Abu Taha, Almohannad A R Baabbad, Mohammed A Al-Wadaan, Ayman El-Faham
Isatin (1H-indole-2,3-dione) and many of its derivatives are reported to have pharmacological properties. In this study, we report the synthesis and biological activity of a new class of N-alkyl-isatin-3-iminobenzoic acid derivatives prepared via the condensation of N-alkyl isatin with 4-aminobenzoic acid by conventional, microwave, and ultrasonic methods. Microwave irradiation yielded the products in a shorter reaction time with higher yields and purities. The compounds were screened in zebrafish embryos, and also in three human cancer cell lines (MCF7, HepG2, and Jurkat) and one normal human cell line i...
December 16, 2017: Biological & Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29248969/somatic-embryogenesis-of-muskmelon-cucumis-melo-l-and-genetic-stability-assessment-of-regenerants-using-flow-cytometry-and-issr-markers
#12
Mohammad Reza Raji, Mahmoud Lotfi, Masoud Tohidfar, Bahman Zahedi, Angela Carra, Loredana Abbate, Francesco Carimi
A new protocol for in vitro regeneration through direct somatic embryogenesis for two muskmelon cultivars (Cucumis melo L., "Mashhadi" and "Eivanaki") is reported. Somatic embryos were obtained culturing 4- and 8-day-old cotyledons, seeds, and hypocotyls on Murashige and Skoog medium supplemented with three different hormonal combinations never tested so far for melon (naphthoxyacetic acid (NOA) + thidiazuron (TDZ), NOA + 6-banzylaminopurine (BAP), and 2,4-dichlorophenoxyacetic acid (2,4-D) + N-(2-chloro-4-pyridyl)-N'-phenylurea (4-CPPU))...
December 17, 2017: Protoplasma
https://www.readbyqxmd.com/read/29243844/in-vitro-improvement-of-quail-primordial-germ-cell-expansion-through-activation-of-tgf-beta-signaling-pathway
#13
Saeed Yakhkeshi, Shaban Rahimi, Mohsen Sharafi, Seyedeh-Nafiseh Hassani, Sara Taleahmad, Abdolhossein Shahverdi, Hossein Baharvand
Avian primordial germ cells (PGCs) have valuable potentials to cell-based approaches for transgenic bird production. In this regard, improvement of avian PGC expansion in vitro is necessary. Among experimental avian species, quail is a good model for transgenic technology, especially due to its short generation time. In the present study, we have examined the proliferative effects of transforming growth factor β (TGF-β) on the quail PGCs. After isolation of quail PGCs from blood [Hamburger-Hamilton (HH stages 13-15)] and gonads (HH stages 28-30), these cells were cultured on quail embryonic fibroblasts (QEF)...
December 15, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/29230019/metabolic-profiling-of-zebrafish-danio-rerio-embryos-by-nmr-spectroscopy-reveals-multifaceted-toxicity-of-%C3%AE-methylamino-l-alanine-bmaa
#14
Upasana Roy, Laura Conklin, Jürgen Schiller, Jörg Matysik, John P Berry, A Alia
β-methylamino-L-alanine (BMAA) has been linked to several interrelated neurodegenerative diseases. Despite considerable research, specific contributions of BMAA toxicity to neurodegenerative diseases remain to be fully resolved. In the present study, we utilized state-of-the-art high-resolution magic-angle spinning nuclear magnetic resonance (HRMAS NMR), applied to intact zebrafish (Danio rerio) embryos, as a model of vertebrate development, to elucidate changes in metabolic profiles associated with BMAA exposure...
December 11, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29226557/lysophosphatidic-acid-accelerates-development-of-porcine-embryos-by-activating-formation-of-the-blastocoel
#15
Min-Young Shin, Seung-Eun Lee, Yeo-Jin Son, Yun-Gwi Park, Sang-Gi Jeong, Eun-Young Kim, Se-Pill Park
Culture media modifications, including the addition of various factors, are important for the in vitro production of oocytes and embryos. In this study, we investigated the effects of lysophosphatidic acid (LPA) on porcine embryo development. Porcine parthenogenetic embryos were cultured with 0, 0.1, 1, and 10 μM LPA for 7 days, or cultured in basic medium until Day 4 and then treated with LPA from Days 4 to 7. No difference in the in vitro development of embryos cultured with LPA for 7 days was observed. Conversely, rates of blastocyst and over-expanded blastocyst formation were higher in the 0...
December 11, 2017: Molecular Reproduction and Development
https://www.readbyqxmd.com/read/29198975/improvement-of-bovine-in%C3%A2-vitro-embryo-production-by-ovarian-follicular-wave-synchronization-prior-to-ovum-pick-up
#16
F L B Cavalieri, F Morotti, M M Seneda, A H B Colombo, M A Andreazzi, I P Emanuelli, L P Rigolon
This study evaluated the effects of the synchronization of ovarian follicular wave emergence on the efficiency of in vitro embryo production. Bos indicus cows (n = 20) were divided into two groups (control vs. synchronization) and subjected to repeated ovum pick-up (OPU) sessions (8 replicates each, with an interval of 21 days in a 2 × 2 crossover design) and subsequent in vitro embryo production. Cows in the control group (n = 10) were submitted to OPU procedures without any stimulation every 21 days...
November 26, 2017: Theriogenology
https://www.readbyqxmd.com/read/29190471/influence-of-shape-and-dispersion-media-of-titanium-dioxide-nanostructures-on-microvessel-network-and-ossification
#17
Verónica Freyre-Fonseca, Estefany I Medina-Reyes, Darío I Téllez-Medina, Gloria L Paniagua-Contreras, Eric Monroy-Pérez, Felipe Vaca-Paniagua, Norma L Delgado-Buenrostro, José O Flores-Flores, Edgar O López-Villegas, Gustavo F Gutiérrez-López, Yolanda I Chirino
Titanium dioxide nanoparticles (TiO2 NPs) production has been used for pigment, food and cosmetic industry and more recently, shaped as belts for treatment of contaminated water, self-cleaning windows and biomedical applications. However, the toxicological data have demonstrated that TiO2 NPs inhalation induce inflammation in in vivo models and in vitro exposure leads to cytotoxicity and DNA damage. Dermal exposure has limited adverse effects and the possible risks for implants used for tissue regeneration is still under research...
November 23, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/29186876/melatonin-improves-the-quality-of-inferior-bovine-oocytes-and-promoted-their-subsequent-ivf-embryo-development-mechanisms-and-results
#18
Minghui Yang, Jingli Tao, Menglong Chai, Hao Wu, Jing Wang, Guangdong Li, Changjiu He, Lu Xie, Pengyun Ji, Yunping Dai, Liguo Yang, Guoshi Liu
The inferior oocytes (IOs), which are not suitable for embryo development, occupy roughly one-third or more of the collected immature bovine oocytes. The IOs are usually discarded from the in vitro bovine embryo production process. Improving the quality of the inferior oocytes (IOs) and make them available in in vitro embryo production would have important biological, as well as commercial, value. This study was designed to investigate whether melatonin could improve the quality of IOs and make them usable in the in vitro maturation (IVM) and subsequent (in vitro fertilization) IVF embryo development...
November 27, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29185873/in-vivo-determination-of-mitochondrial-respiration-in-1-methyl-4-phenyl-1-2-3-6-tetrahydropyridine-treated-zebrafish-reveals-the-efficacy-of-melatonin-in-restoring-mitochondrial-normalcy
#19
María E Díaz-Casado, Iryna Rusanova, Paula Aranda, Marisol Fernández-Ortiz, Ramy K A Sayed, Beatriz I Fernández-Gil, Agustín Hidalgo-Gutiérrez, Germaine Escames, Luis C López, Darío Acuña-Castroviejo
Although mitochondria dysfunction is related to multiple diseases, no in vivo studies are available on mitochondrial respiration in animal parkinsonian models. Our aim is to analyze in vivo mitochondrial respiration, which reflects changes in mitochondrial bioenergetics more precisely than in vitro mitochondrial preparations. These experiments can be carried out in zebrafish embryos, which were treated with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) from 24 to 72 hours postfertilization (hpf). A reduction in electron transfer system capacity, ATP turnover, and increased proton leak were observed at 72 hpf in MPTP-treated embryos...
November 29, 2017: Zebrafish
https://www.readbyqxmd.com/read/29181380/production-preservation-and-transfer-of-south-american-camelid-embryos
#20
REVIEW
Virginia L Trasorras, María Ignacia Carretero, Deborah M Neild, Maria Graciela Chaves, Susana M Giuliano, Marcelo H Miragaya
The current review summarizes progress in the field of in vitro and in vivo production of South American Camelid embryos. Both methods require ovarian superstimulation (with FSH and eCG) to obtain multiple ovulations (in vivo embryo production) or to induce follicle growth for oocyte collection (in vitro embryo production). Moreover, superstimulation entails prior administration of hormones that inhibit follicular growth (progesterone, progestagens, and estrogens). Cumulus-oocyte complexes obtained must mature in vivo (buserelin administration) or in vitro to then be subjected to in vitro fertilization or intracytoplasmic sperm injection...
2017: Frontiers in Veterinary Science
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