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Activation of Ca2+/Calmodulin-Dependent Protein Kinase II (CaMKII) with Lidocaine Provokes Pyroptosis of Glioblastoma Cells
The study examines the problem whether pyroptosis of U87-MG glioblastoma cells can result from activation of Ca2+/calmodulin-dependent protein kinase II (CaMKII) by a local anesthetic. Glioblastoma cells exposed to various concentrations of typical local anesthetic lidocaine demonstrated augmented cytosolic flux of Ca2+, while suppression of CaMKII expression with the corresponding siRNA significantly inhibited this effect in cells treated with 2 mM lidocaine. Lidocaine up-regulated the expression of mRNA caspase-3 and gasdermin GSDME proteins, whereas silencing of CaMKII gene with siRNA significantly moderated this effect...
Source: Bulletin of Experimental Biology and Medicine - July 24, 2021 Category: Biology Source Type: research

H1R mediates local anesthetic-induced vascular permeability in angioedema.
This study supported a key role of H1R in LA-induced angioedema, and suggested that in the design of LA structure, the ring formation of the N-methyl scaffold on the side chain can properly avoid the angioedema. PMID: 32061592 [PubMed - as supplied by publisher]
Source: Toxicology and Applied Pharmacology - February 11, 2020 Category: Toxicology Authors: Cao J, Zhang Y, Che D, Liu R, Yang L, Zhang T, He L Tags: Toxicol Appl Pharmacol Source Type: research

Naringenin Produces Neuroprotection Against LPS-Induced Dopamine Neurotoxicity via the Inhibition of Microglial NLRP3 Inflammasome Activation
Conclusions: This study demonstrated that NAR targeted microglial NLRP3 inflammasome to protect DA neurons against LPS-induced neurotoxicity. These findings suggest NAR might hold a promising therapeutic potential for PD. Background Parkinson's disease (PD) is the second most prevalent central nervous system (CNS) degenerative disease. It is characterized by slow and progressive loss of dopamine (DA) neurons in the midbrain substantia nigra (SN) with the accumulation of α-synuclein in Lewy bodies and neuritis (1). Although the etiology of PD remains unclear, amounts of studies have suggested that ne...
Source: Frontiers in Immunology - April 30, 2019 Category: Allergy & Immunology Source Type: research

Engineered Extracellular Vesicles From Human Periodontal-Ligament Stem Cells Increase VEGF/VEGFR2 Expression During Bone Regeneration
Conclusion In conclusion our results evidenced that 3D-COL/hPDLSCs/PEI-EVs may be an efficacious strategy to induce bone regeneration and vascularization of bone defects, thanks to its capacity to increase the levels of VEGF. Ethics Statement The study was performed in accordance with the guidelines of the Helsinki Declaration (2013). The written approval for the human periodontal ligament collection performed in this study has been obtained from the Medical Ethics Committee at the Medical School, “G. d’Annunzio” University of Chieti–Pescara, Chieti, Italy (n°266/17.04.14, Principal in...
Source: Frontiers in Physiology - April 29, 2019 Category: Physiology Source Type: research

IFIT5 Participates in the Antiviral Mechanisms of Rainbow Trout Red Blood Cells
We described a new defense mechanism based on IFIT5 antiviral activity in nucleated RBCs that appeared to contribute to halting the VHSV infection. This finding sheds light into novel antiviral therapeutics to mitigate the economic losses and social impact caused by viral infections in the aquaculture industry. This work broadens the knowledge of fish nucleated RBCs functions and their role in the immune response to viral infections. Ethics Statement Experimental protocols and methods relating to experimental animals were reviewed and approved by the Animal Welfare Body and the Research Ethics Committee at the University...
Source: Frontiers in Immunology - April 15, 2019 Category: Allergy & Immunology Source Type: research

A Hypothalamic Leptin-Glutamate Interaction in the Regulation of Sympathetic Nerve Activity.
In conclusion, these studies provide evidence that within the hypothalamic nuclei, leptin-glutamate signaling regulates the sympathetic activation. This may contribute to the sympathoexcitation commonly observed in obesity-related T2D. PMID: 28845307 [PubMed - in process]
Source: Neural Plasticity - August 30, 2017 Category: Neurology Authors: Zheng H, Liu X, Li Y, Patel KP Tags: Neural Plast Source Type: research