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PARP14 regulates EP4 receptor expression in human colon cancer HCA-7  cells
Biochem Biophys Res Commun. 2022 Jul 19;623:133-139. doi: 10.1016/j.bbrc.2022.07.055. Online ahead of print.ABSTRACTE type prostanoid 4 (EP4) receptors and their signaling pathways have been implicated in the development and malignant transformation of colorectal cancer. We herein demonstrated that the mono(ADP-ribosyl)ation of histone deacetylase (HDAC)1 and HDAC2 by poly(ADP-ribose) polymerase 14 (PARP14) may be required to induce the expression of EP4 receptors. The suppression of PARP14 activity by siRNA and/or its inhibitors reduced the mRNA expression of EP4 receptors. Thus, the expression of their proteins to approx...
Source: Biochemical and Biophysical Research communications - August 1, 2022 Category: Biochemistry Authors: Masato Mashimo Asuka Shimizu Aimi Mori Ayaka Hamaguchi Keijo Fukushima Naofumi Seira Takeshi Fujii Hiromichi Fujino Source Type: research

Epidermal growth factor alleviates cerebral ischemia-induced brain injury by regulating expression of neutrophil gelatinase-associated lipocalin.
Abstract Neutrophil gelatinase-associated lipocalin (NGAL) may be a biomarker candidate for brain injury and a novel therapeutic target in ischemic stroke. Epidermal growth factor (EGF) has protective effects on ischemic injury via activating EGF receptor (EGFR). Whether the protection mechanism of activating EGF-EGFR axis against brain injury is involved in regulating NGAL is still unknown. In the present study, we attempted to explore the expression of NGAL in ischemic brain and the effects of EGF on the NGAL expression in a mouse model of middle cerebral artery occlusion (MCAO). Results suggested that the NGAL ...
Source: Biochemical and Biophysical Research communications - February 10, 2020 Category: Biochemistry Authors: Peng DH, Liu YY, Chen W, Hu HN, Luo Y Tags: Biochem Biophys Res Commun Source Type: research

MALAT1 affects hypoxia-induced vascular endothelial cell injury and autophagy by regulating miR-19b-3p/HIF-1 α axis.
MALAT1 affects hypoxia-induced vascular endothelial cell injury and autophagy by regulating miR-19b-3p/HIF-1α axis. Mol Cell Biochem. 2020 Jan 13;: Authors: Liu H, Shi C, Deng Y Abstract Cardiovascular disease has become the leading cause of death in the world. Metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) plays an important role in cardiovascular disease, such as stroke. However, the role of MALAT1 in hypoxia (HYP)-induced vascular endothelial cells (VECs) remains unclear. In the present study, HYP-treated human umbilical vein endothelial cells (HUVECs) were utilized to simulate HY...
Source: Molecular and Cellular Biochemistry - January 12, 2020 Category: Biochemistry Authors: Liu H, Shi C, Deng Y Tags: Mol Cell Biochem Source Type: research

Dendrimer Grafted Albumin Nanoparticles for the Treatment of Post Cerebral Stroke Damages: A Proof of Concept Study
Publication date: Available online 3 September 2019Source: Colloids and Surfaces B: BiointerfacesAuthor(s): Deepak Pradhan, Vishakha Tambe, Nidhi Raval, Piyush Gondalia, Pallab Bhattacharya, Kiran Kalia, Rakesh K. TekadeAbstractStroke is the second largest disease of mortality. The biggest hurdle in designing effective brain drug delivery systems is offered by the blood-brain barrier (BBB), which is highly impermeable to many drugs. Albumin nanoparticles (NP) have gained attention due to their multiple ligand binding sites and long circulatory half-life. Citicoline (CIT) is reported to enhance the acetylcholine secretion i...
Source: Colloids and Surfaces B: Biointerfaces - September 10, 2019 Category: Biochemistry Source Type: research

Pyroptosis of HUVECs can be induced by heat stroke.
Abstract Heat stroke is a serious pathological condition with high mortality. Vascular endothelial cell injury is a key feature in the pathogenesis of heat stroke, but the specific pathophysiological process whereby this occurs is still unclear. Currently, relevant studies are primarily based upon examination of apoptosis. Recently, pyroptosis, a new form of inflammation-related programmed cell death, was also demonstrated to be involved in heat stroke pathophysiology. Herein, we present evidence that vascular endothelial cell pyroptosis can be induced by heat stress in a time- and temperature-dependent manner. Fu...
Source: Biochemical and Biophysical Research communications - November 22, 2018 Category: Biochemistry Authors: Pei Y, Geng Y, Su L Tags: Biochem Biophys Res Commun Source Type: research

Functional importance of the TGF- β1/Smad3 signaling pathway in oxygen-glucose-deprived (OGD) microglia and rats with cerebral ischemia.
Functional importance of the TGF-β1/Smad3 signaling pathway in oxygen-glucose-deprived (OGD) microglia and rats with cerebral ischemia. Int J Biol Macromol. 2018 Apr 25;: Authors: Yu Y, Li J, Zhou H, Xiong Y, Wen Y, Li H Abstract We investigated the transforming growth factor-b1 (TGF-β1)/Smad3 signaling pathway in rats with cerebral ischemia and oxygen-glucose-deprived (OGD) microglia. Cerebral ischemia is a clinical condition that occurs when insufficient blood flows to the brain to maintain metabolic activity. TGF-β1 is a well-known functional peptide that regulates cell differentiation, migratio...
Source: International Journal of Biological Macromolecules - April 25, 2018 Category: Biochemistry Authors: Yu Y, Li J, Zhou H, Xiong Y, Wen Y, Li H Tags: Int J Biol Macromol Source Type: research

LncRNA GAS5 regulates ischemic stroke as a competing endogenous RNA for miR-137 to regulate the Notch1 signaling pathway.
Abstract Ischemic stroke is related to a variety of physiological and pathological processes including autophagy and apoptosis. Growth arrest-specific 5 (GAS5), a long non-coding RNA (lncRNA), is known to negatively regulate cell survival and plays a key role in the pathogenesis of numerous diseases. However, the function and molecular mechanism of lncRNA GAS5 in ischemic stroke have not been reported. Real-time PCR was used to detect GAS5 and microRNA-137 (miR-137) expression in the brain tissues of mice underwent middle cerebral artery occlusion (MCAO) surgery and oxygen-glucose deprivation (OGD)-treated mouse p...
Source: Biochemical and Biophysical Research communications - January 4, 2018 Category: Biochemistry Authors: Chen F, Zhang L, Wang E, Zhang C, Li X Tags: Biochem Biophys Res Commun Source Type: research

OxLDL receptor chromatography from live human U937 cells identifies SYK(L) that regulates phagocytosis of oxLDL.
Abstract The binding and activation of macrophages by microscopic aggregates of oxLDL in the intima of the arteries may be an important step towards atherosclerosis leading to heart attack and stroke. Microbeads coated with oxLDL were used to activate, capture and isolate the oxLDL receptor complex from the surface of live cells. Analysis of the resulting tryptic peptides by liquid chromatography and tandem mass spectrometry revealed the Spleen Tyrosine Kinase (SYK), and many of SYK's known interaction network including Fc receptors (FCGR2A, FCER1G and FCGR1A) Toll receptor 4 (TLR4), as well as RNA binding and met...
Source: Analytical Biochemistry - August 6, 2016 Category: Biochemistry Authors: Howard JC, Florentinus-Mefailoski A, Bowden P, Trimble W, Grinstein S, Marshall JG Tags: Anal Biochem Source Type: research