Guangyin Zhao

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Current vaccines against porcine reproductive and respiratory syndrome virus (PRRSV) have failed to provide sustainable disease control, and development of new antiviral strategies is of great importance. The present study investigated the mechanism of the antiviral effect of hemin during PRRSV infection in MARC-145 cells. Hemin, a commercial preparation of(More)
In honeybee colonies, pheromones produced by the host’s queen inhibit worker reproductive potential and queen rearing. Here, we showed that worker bees fed with syrup containing high concentrations of the phenolic quercetin are likely to initiate ovarian development and to build many queen cells in their colony throughout the feeding trial. Workers fed(More)
Porcine reproductive and respiratory syndrome (PRRS) is one of the most significant viral diseases in swine, which causes large economic losses to the swine industry worldwide. There is considerable strain variation in PRRSV and two examples of this are the highly virulent Chinese-type PRRSV (H-PRRSV) and the classical North American type PRRSV (N-PRRSV),(More)
OCT4 is a well-established regulator of pluripotency and nuclear reprogramming. To determine if improving OCT4 abundance can facilitate oocyte-mediated reprogramming in cloned porcine embryos, we artificially increased OCT4 levels by co-incubating donor cells with 50 ng/µl OCT4 plasmid. We observed higher rates of blastocyst formation (P < 0.05) and lower(More)
The present aimed to study if porcine circovirus type 2 (PCV2), which adhered to zona pellucida (ZP), was able to enter mature porcine oocytes with intact and damaged ZP. Four groups, including uninfected ZP-intact oocytes (UOZI), uninfected ZP-damaged oocytes (UOZD), PCV2-infected ZP-intact oocytes (POZI), and PCV2-infected ZP-damaged oocytes (POZD) were(More)
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