Resistin as an adipokine identified from rodents in 2001 is involved in many biological processes. However, little is known about this gene in fish. We cloned Siberian sturgeon (Acipenser baerii) resistin cDNA of 795 base pairs, encoding 107 amino acids, which showed 38-40% identity to human and rodents. Real-time quantitative PCR showed that the resistin gene was widely distributed in tissues of Siberian sturgeon, with the highest expression in liver. After fasting for 1, 3, 6 and 10 days, the expression of the resistin gene in the liver of Siberian sturgeon decreased significantly, and after refeeding on the 10 days of fasting the resistin mRNA expression increased rapidly, suggesting that resistin may play an important role in liver in response to starvation. Taken together, these results suggest that resistin may be involved in the regulation of energy homeostasis in liver.
Spinal cord injury (SCI) is a devastating disease with few effective treatments. This study mainly explored the mechanism of TRPC5 gene in the treatment of spinal cord ischemia reperfusion injury from the perspective of angiogenesis. Western blot, immunohistochemistry, hematoxylin and eosin, ELISA, and reverse transcription-PCR (RT-PCR) were used to detect the expression levels of related angiogenic proteins such as von Willebrend factor (vWF), vascular endothelial growth factor (VEGF), CD31, and HIF-1α. The results showed that compared with the IR group, the Basso, Beattie, and Bresnahan scores of IR + adeno-associated virus (AAV) + TRPC5 group were higher with significant difference. And compared with ischemia/reperfusion (I/R) group, RT-PCR and ELISA results showed that inflammatory factors such as IL-6, IL-1β, and TNF-α were significantly reduced in IR + AAV + TRPC5 group. In addition, the expression of vascular related proteins such as vWF, VEGF, and CD31 in spinal cord tissue were all increased. Taken together the results, we suggest that TRPC5 could significantly increase the expression of angiogenic protein and slow down the occurrence of inflammatory response to repair the SCI.
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