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It is a general consensus that oocyte quality is the key to embryo survival in pig reproduction. Thus, study on regulation of the ovary-associated gene is of great significance in pig breeding. Peptidylarginine deiminases (PADs) are a family of enzymes which catalyze the conversion of arginine to citrulline in proteins. The peptidylarginine deiminases type VI gene (PADI6) is mainly expressed in the...
Bone morphogenetic protein (BMP) 2 belongs to the transforming growth factor β (TGFβ) superfamily of cytokines and growth factors. While it plays important roles in embryo morphogenesis and organogenesis, BMP2 is also critical to bone and cartilage formation. Protein structure and function have been remarkably conserved throughout evolution and BMP2 transcription has been proposed to be tightly regulated,...
Protein kinase R (PKR), the double-stranded RNA-activated protein kinase, exists in mammalian and fish. PKZ, a PKR-like protein kinase containing Z-DNA binding domains, just exists in fish. PKR and PKZ work synergistically in the antiviral defense by inhibiting intracellular protein translation. The transcriptional factor IRF3 (interferon regulatory factor 3) acts as a key regulator of type I IFN...
Attempts to elucidate the cellular function of MTCH1 (mitochondrial carrier homolog 1) have not yet rendered a clear insight into the function of this outer mitochondrial membrane protein. Classical biochemical and cell biology approaches have not produced the expected outcome. In vitro experiments have indicated a likely role in the regulation of cell death by apoptosis, and its reported interaction...
Unlike the classical gonadotropin-releasing hormone (GnRH1), the second mammalian isoform (GnRH2) is ubiquitously expressed, suggesting a divergent function. Indeed, we demonstrated that GnRH2 governs LH-independent testosterone secretion in porcine testes via interaction with its receptor (GnRHR2) on Leydig cells. Transient transfections with luciferase reporter vectors containing 3009bp of 5′ flanking...
Human phospholipid scramblases (hPLSCRs) are a group of transmembrane ATP independent lipid transporters mediating bi-directional transport of phospholipids. There are four homologues hPLSCR1-hPLSCR4 and hPLSCR1 is the extensively studied homologue among them. hPLSCR4 shares 48% homology with hPLSCR1 and mediates scrambling of PLs similar to hPLSCR1 in Ca2+ dependent manner. Transcriptional regulation...
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