Theriogenology
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#1Mohamed Fathi (Cairo University)H-Index: 6
#2Ali Salama (Cairo University)H-Index: 2
Last. Elshymaa A. Abdelnaby (Cairo University)H-Index: 4
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Abstract null null The positive impact of melatonin on in vitro embryo production (IVEP) has been reported in many domestic species; however, no studies have been carried out in camelids. We aimed to evaluate the effects of melatonin supplementation in maturation media on in vitro maturation, fertilization, and preimplantation embryo development of dromedary camel oocytes (experiment 1). We also evaluated the concentrations of total antioxidant capacity (TAC), and malondialdehyde (MDA) in the IV...
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#1Nicola Ellero (UNIBO: University of Bologna)H-Index: 1
#2Aliai Lanci (UNIBO: University of Bologna)H-Index: 5
Last. Carolina Castagnetti (UNIBO: University of Bologna)H-Index: 16
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Abstract null null The matrix metalloproteinases (MMPs) are a family of enzymes involved in extracellular matrix remodeling. MMPs are secreted in a latent form and activated by local and infiltrating cells. MMP-2 and -9 are the most studied in reproduction and have been detected in bovine, ovine, equine and human placenta. There is only one study on MMPs in the equine amniotic fluid (AF) reporting a decrease in the activity of MMP-2 in case of premature delivery. The aim of this study was focuse...
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#1Liege Cg. Silva (USP: University of São Paulo)
#2Daniel Sr. Angrimani (USP: University of São Paulo)
Last. Camila Infantosi Vannucchi (USP: University of São Paulo)H-Index: 15
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Abstract Surfactant treatment is a manner to reduce alveolar superficial tension and increase pulmonary compliance in premature neonates. Thus, we aimed to analyze the effect of exogenous surfactant treatment in combination with manual ventilation for preterm lambs. We used 15 ewes and their lambs (n = 16), prematurely born at 135 days. At birth, lambs were submitted to orotracheal intubation attached to a handheld resuscitation device and randomly allocated to: Control Group (n = 5; only manual...
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#1Faranak Aghaz (Kermanshah University of Medical Sciences)H-Index: 3
#2Asad Vaisi-Raygani (Kermanshah University of Medical Sciences)H-Index: 23
Last. Tayebeh Pourmotabbed (UTHSC: University of Tennessee Health Science Center)H-Index: 25
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As a promising strategy in overcoming drug resistance, the nano drug co-delivery system (NDCDS) can transport two or more drugs into the cell. In this study, we sought to compare the dual and single drug-delivery system, to deliver the optimal dose of Resveratrol (RES) and Tretinoin (TTN) into the in vitro matured oocyte and morula-compact stage embryonic cells. The formation of single (RES/TTN) and dual-drug (RES + TTN)-SLN were confirmed by Uv-vis spectrophotometery, dynamic light scattering (...
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#1C.E. Fedorka (UK: University of Kentucky)H-Index: 6
#2Kirsten E. Scoggin (UK: University of Kentucky)H-Index: 17
Last. Barry A. Ball (UK: University of Kentucky)H-Index: 51
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Placentitis is the leading cause of infectious abortion in the horse and contributes to roughly 19% of all abortions in the United States. A type of placental infection, nocardioform placentitis (NP) is associated with gram-positive branching actinomycetes localized within the ventral body of the feto-maternal interface to create a lymphoplasmacytic mucoid lesion. While the etiology of this disease is poorly described, this placental infection continues to cause episodic abortions in addition to...
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#1Yating Li (Shanxi Agricultural University)
#2Jiongjie Jing (Shanxi Agricultural University)
Last. Lihua Lyu (Shanxi Agricultural University)
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Abstract Notch signaling pathway plays an important regulatory role in the development of mammalian follicles. This study aimed to explore the effect of Notch2 on the function of bovine follicles luteinized granulosa cells (LGCs). We detected that the coding sequence (CDS) of bovine Notch2 gene is 7416 bp, encoding 2471 amino acids (AA). The homology of Notch2 AA sequence between bovine and other species is 86.04%–98.75%, indicating high conservatism. Immunohistochemistry found that Notch2 recep...
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#1Mohamed HediaH-Index: 3
#2Sally IbrahimH-Index: 4
Last. Mohamed El-BelelyH-Index: 2
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Abstract Apparently healthy mares with conception failure or embryonic loss may have subclinical endometritis (SE). Our objective was to document evidence of systemic immune responses against SE in mares. In apparently healthy (control) mares as well as those with chronic endometritis (ChE) or subacute suppurative endometritis (SSE), both considered classes of SE, serum concentrations of cytokines (IL-1β, IL-6, IL-10 and TNF-α), chemokines (IL-8), acute phase protein (SAA), and plasma concentrat...
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#1J. C. B. Silva (USP: University of São Paulo)H-Index: 4
#2Maíra Bianchi Rodrigues Alves (USP: University of São Paulo)H-Index: 7
Last. Felipe Perecin (USP: University of São Paulo)H-Index: 19
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Abstract Since buffaloes are a seasonal, polyestrous species, optimizing reproduction during the non-breeding season is a key factor in increasing the reproductive and productive efficiency of herds. Ovum pick-up associated with in vitro embryo production and embryo cryopreservation is an alternative to reduce seasonal impacts. We studied the effects of seasonality in buffalo oocyte donors and embryo recipients during the favorable and non-favorable breeding seasons. Donors were evaluated for oo...
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Last. Eunice ObaH-Index: 17
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The objective was to compare effects of immunological, chemical and surgical castrations on testicular characteristics, scrotal surface temperatures, sperm quality, and serum testosterone concentrations in Bos indicus bulls. Eighty Nelore bulls (∼20 mo) were grazed on pasture, fed a supplement and slaughtered at ∼480 kg. Bulls were allocated into four groups (n = 20/group). The control group (CON) was non-castrated and there were three castration methods: immune (IMM - Bopriva®), injected on D-3...
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#1Xinyan Zhang (NWAFU: Northwest A&F University)
#2Tong Yu (NWAFU: Northwest A&F University)H-Index: 2
Last. Pengfei Lin (NWAFU: Northwest A&F University)H-Index: 27
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Abstract Follicular atresia is primarily caused by granulosa cell (GC) apoptosis, although the mechanisms are largely unknown. Ufmylation is a recently identified ubiquitin-like post-translational modifier that plays an important role in cell proliferation and apoptosis. The purpose of this study was to investigate the effects of Ufmylation on GC apoptosis during goat follicular atresia. Ubiquitin-fold modifier 1 (UFM1) and its target DDRGK domain containing 1 (DDRGK1) proteins were identified i...
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