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LncRNA UC.360+ shRNA Improves Diabetic Cardiac Sympathetic Dysfunction Mediated by the P2X4 Receptor in the Stellate
Liran Shi1,2, Minghao Sun3, Xinlu Ren3
1Neuropharmacology Laboratory, Physiology Department, Basic Medical School of Nanchang University, Nanchang 330006, P. R. China.
Abstract:
Diabetic cardiac autonomic neuropathy (DCAN) is a complication that affects more than 60% of diabetic patients. There is evidence for the involvement of P2X4 receptor in DCAN. This study showed that the expression of the long noncoding RNA (lncRNA) UC.360+ was increased in the stellate ganglion (SG) of type 2 diabetes mellitus (DM) rats, and in situ hybridization revealed a clear presence of UC.360+ in SG neurons. The potential roles of UC.360+ in DCAN and its relationship with P2X4 receptor in SG were further explored via application of the short hairpin RNA (shRNA) against lncRNA UC.360+ in DM rats. The abnormal cardiac sympathetic changes in diabetic rats were improved after treatment with lncRNA UC.360+ shRNA. In the SG of these shRNA-treated DM rats, the upregulation of P2X4, tumor necrosis factor-α (TNF-α), interleukin 1β (IL-1β), and phosphorylated ERK1/2 was inhibited. Thus, lncRNA UC.360+ shRNA treatment may improve DCAN mediated by the P2X4 receptor in SG.
