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A compact and ultra-narrow linewidth tunable laser with an external cavity based on a simple single-axis-MEMS mirror is presented in this paper. We discuss the simulation of this tunable laser using a two-step hybrid analysis method to obtain an optimal design of the device. A wide wavelength tuning range about 40 nm in C-band with a narrow linewidth of(More)
Ovarian follicular atresia is characterized by granulosa cell apoptosis, however, the exact mechanism is still unclear. Sirtuin 1 (SIRT1) is a NAD(+)-dependent deacetylase, which is associated with apoptosis in several of cell types, but its exact role in ovarian granulosa cell apoptosis is not clearly defined. In present study, we identified the(More)
Porcine reproductive and respiratory syndrome virus (PRRSV) has caused significant economic losses in the swine industry worldwide. However, there is not an ideal vaccine to provide complete protection against PRRSV. Thus, the need for new antiviral strategies to control PRRSV still remains. Surfactant protein A (SP-A) belongs to the family of C-type(More)
Eph–Ephrin system can induce repulsive forces in cell migration and adhesion during embryonic development in various mammals. In this study, the attachment sites of swine endometrium during pregnancy were used and the physiological role of this system in the step of mammalian embryo implantation was estimated to investigate the involvement of the Eph–Ephrin(More)
The swine erythropoietin-producing hepatocellular A4 (EphA4) gene, which was detected in the endometrium during embryo implantation in pigs, was one of the potential candidate genes for reproductive traits. In the study, two single nucleotide polymorphism (SNP) loci (EphA4_1 and EphA4_2) in exon 3 of EphA4 gene were analyzed to determine whether EphA4(More)
Fat mass and obesity associated gene (FTO) plays an important role in appetite control and energy consumption in human and mice. In order to examine FTO expression influence on fat deposition in Suzhong pigs, FTO mRNA expression was detected in 16 tissues by RT-PCR, FTO protein expression was detected in 5 tissues by western blot, and association of FTO(More)
Embryo implantation is a key step affecting swine litter size, which is an important economic and reproduction trait in pigs. In order to investigate the effect of erythropoietin-producing hepatocellular receptor B2 (EphB2) on endometrium migration and attachment during swine embryo implantation, the mRNA and protein expression levels of EphB2 in(More)
Toll-like receptors (TLRs) play a crucial role in innate immunity, serving as pattern-recognition receptors and the first barrier in host defense against microbial infections. Genetic variations of TLR2 and TLR4 are closely associated with a variety of infectious diseases, particularly lung diseases. In this study, we detected six and four single nucleotide(More)
Mycoplasmal pneumonia is a lung infection disease caused by Mycoplasma hyopneumoniae in swine. We previously reported that Cytochrome P450 1A1 (CYP1A1) expression was significantly downregulated in pigs infected with M. hyopneumoniae compared to the healthy controls. In this study, pulmonary alveolar macrophage (PAM) cell lines with CYP1A1 overexpression or(More)