ClC-2 knockdown prevents cerebrovascular remodeling via inhibition of the Wnt/ β-catenin signaling pathway.

Conclusion: This study demonstrates that blocking ClC-2-mediated Cl- efflux inhibits AngII-induced cerebrovascular smooth muscle cell proliferation and migration by inhibiting the Wnt/β-catenin pathway. Our data indicate that downregulation of ClC-2 may be a viable strategy in the prevention of hyperplasia and remodeling of cerebrovascular smooth muscle cells. PMID: 29988306 [PubMed - in process]
Source: Cellular and Molecular Biology Letters - Category: Biochemistry Authors: Tags: Cell Mol Biol Lett Source Type: research

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In this study, the primary VSMCs were isolated from aortic media of rats and TNF-α to was used to induce VSMC migration. Using a modified Boyden chamber and wound healing assay, it was found that TNF-α can dose and time-dependently induce VSMC migration with a maximal effect at 10 ng/mL. Moreover, UCH-L1 expression increased gradually with the prolonged induction time at 10 ng/mL of TNF-α. UCH-L1 content in VSMC was then modulated by recombinant adenoviruses expressing UCH-L1 or RNA interference to evaluate its roles in cell migration. The results showed that over-expression of UCH-L1 attenuated VSMC migr...
Source: International Heart Journal - Category: Cardiology Tags: Int Heart J Source Type: research
Authors: Chen Y, Zhao X, Li J, Zhang L, Li R, Zhang H, Liao R, Liu S, Shi W, Liang X Abstract Autophagy is important for maintaining normal physiological functions and podocyte cell homeostasis. Amino acid signaling is an important upstream signaling pathway for autophagy regulation. However, the function and the associated mechanism of amino acid signaling in podocyte autophagy is unclear. The present study used normal culture medium and amino acid deprivation medium to culture podocytes in vitro. Multiple methods were utilized to detect autophagic activity including western blot analysis to measure the level...
Source: Molecular Medicine Reports - Category: Molecular Biology Tags: Mol Med Rep Source Type: research
Abstract Microglial inflammation plays an essential role in the pathogenesis of HIV-associated neurocognitive disorders. A previous study indicated that curcumin relieved microglial inflammatory responses. However, the mechanism of this process remained unclear. Autophagy is a lysosome-mediated cell content-dependent degradation pathway, and uncontrolled autophagy leads to enhanced inflammation. The role of autophagy in curcumin-attenuating BV2 cell inflammation caused by gp120 was investigated with or without pretreatment with the autophagy inhibitor 3-MA and blockers of NF-κB, IKK, AKT, and PI3K, and we th...
Source: Cellular and Molecular Neurobiology - Category: Cytology Authors: Tags: Cell Mol Neurobiol Source Type: research
Abstract High-mobility group box 1 (HMGB1) exhibits various functions according to its subcellular location, which is finely conditioned by diverse post-translational modifications, such as acetylation. The nuclear HMGB1 may prevent from cardiac hypertrophy, whereas its exogenous protein is proven to induce hypertrophic response. This present study sought to investigate the regulatory relationships between poly(ADP-ribose) polymerase 1 (PARP1) and HMGB1 in the process of pathological myocardial hypertrophy. Primary-cultured neonatal rat cardiomyocytes (NRCMs) were respectively incubated with three cardiac hypertro...
Source: Acta Pharmacologica Sinica - Category: Drugs & Pharmacology Authors: Tags: Acta Pharmacol Sin Source Type: research
In conclusion, LAZ3 protects against cardiac remodeling in DCM by decreasing miR-21, thus regulating PPARa/NRF2 signaling.
Source: Biochimica et Biophysica Acta (BBA) Molecular Basis of Disease - Category: Molecular Biology Source Type: research
In conclusion, LAZ3 protects against cardiac remodeling in DCM by decreasing miR-21, thus regulating PPARa/NRF2 signaling. PMID: 30031228 [PubMed - as supplied by publisher]
Source: Biochimica et Biophysica Acta - Category: Biochemistry Authors: Tags: Biochim Biophys Acta Source Type: research
In conclusion, the cardioprotection of TMP against LPS-induced injury was through up-regulating the expression of 14-3-3γ, promoting the translocation of Bcl-2 to mitochondria, and improving the function of mitochondria. PMID: 29782860 [PubMed - as supplied by publisher]
Source: European Journal of Pharmacology - Category: Drugs & Pharmacology Authors: Tags: Eur J Pharmacol Source Type: research
Background: Late exercise preconditioning (LEP) is confirmed to have a protective effect on acute cardiovascular stress. However, the mechanisms by which mitophagy participates in exercise preconditioning (EP)-induced cardioprotection remain unclear. LEP may involve mitophagy mediated by the receptors PARK2 gene–encoded E3 ubiquitin ligase (Parkin) and BCL2/adenovirus E1B 19 kDa protein-interacting protein 3 (Bnip3) to scavenge damaged mitochondria. Methods: Our EP protocol involved four 10-minute periods of running, separated by 10-minute recovery intervals, plus a period of exhaustive running at 24 hours after...
Source: Journal of Cardiovascular Pharmacology - Category: Cardiology Tags: Original Article Source Type: research
Authors: Schorch B, Heni H, Zahaf NI, Brummer T, Mione M, Schmidt G, Papatheodorou P, Aktories K Abstract Clostridium perfringens toxin TpeL belongs to the family of large clostridial glycosylating toxins. The toxin causes N-acetylglucosaminylation of Ras proteins at threonine35 thereby inactivating the small GTPases. Here, we show that all main types of oncogenic Ras proteins (H-Ras, K-Ras and N-Ras) are modified by the toxin in vitro and in vivo. Toxin-catalyzed modification of Ras was accompanied by inhibition of the MAP kinase pathway. Importantly, TpeL inhibited the paradoxical activation of the MAP kinase pat...
Source: Oncotarget - Category: Cancer & Oncology Tags: Oncotarget Source Type: research
Abstract Alpha lipoic acid (α-LA), a potent antioxidant, is protective against acute nephrotoxicity. In the present study, the attenuation of cadmium (Cd)-induced kidney injury by α-LA on was investigated in a rat model. Exposure to 50 mg/L Cd for 12 weeks increased kidney index and Cd content, malondialdehyde (MDA) levels, and histological damage to the renal cortex, and decreased the activities of glutathione peroxidase (GSH-Px), superoxide dismutase (SOD), catalase (CAT), and glutathione (GSH). Treatment with 50 mg/L Cd also damaged renal cell mitochondria and nuclei, and activated the mitocho...
Source: Journal of Inorganic Biochemistry - Category: Biochemistry Authors: Tags: J Inorg Biochem Source Type: research
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