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Cellular Physiology and Biochemistry

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https://www.readbyqxmd.com/read/29045950/leonurine-prevents-atherosclerosis-via-promoting-the-expression-of-abca1-and-abcg1-in-a-ppar%C3%AE-lxr%C3%AE-signaling-pathway-dependent-manner
#1
Ting Jiang, Kun Ren, Qian Chen, Heng Li, Rong Yao, Hu Hu, Yun-Cheng Lv, Guo-Jun Zhao
BACKGROUND/AIMS: Previous studies have demonstrated that leonurine, a unique alkaloid compound of Herba leonuri, can exert anti-oxidative and anti-inflammatory effects on the development of atherosclerosis (AS). This study was designed to investigate the effects of leonurine on cholesterol efflux from THP-1 macrophage-derived foam cells and development of atherosclerotic lesions in apoE-/- mice, and further determine the potential mechanisms. METHODS: Human THP-1 cells were fully differentiated into foam cells by the pre-treatment with phorbol-12-myristate-13-acetate (PMA) and oxidized density lipoproteins (ox-LDL)...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29045940/mir-124-attenuates-osteoclastogenic-differentiation-of-bone-marrow-monocytes-via-targeting-rab27a
#2
Lian Tang, Yiran Yin, Juncai Liu, Zhong Li, Xiaobo Lu
BACKGROUND/AIMS: With the aging population increases, senile osteoporosis has become a global public health problem. Previous evidence has shown that miR-124 has important effects on the occurrence and development of osteoporosis. However, the role of miR-124 in the process of osteoclastogenesis is still obscure. METHODS: First of all, we measured the expression level of miR-124 in bone marrow monocytes (BMMs) of osteoporotic mice (ovariectomized mice: OVX). Next, we evaluated the alteration of miR-124 during osteoclast differentiation of BMMs...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29045937/adenovirus-mediated-expression-of-bmp-2-and-bfgf-in-bone-marrow-mesenchymal-stem-cells-combined-with-demineralized-bone-matrix-for-repair-of-femoral-head-osteonecrosis-in-beagle-dogs
#3
Wu-Xun Peng, Lei Wang
BACKGROUND: This study investigated the effect of using adenovirus-mediated expression of bone morphogenetic protein 2 (Ad-BMP-2) and basic fibroblast growth factor (bFGF) in bone marrow mesenchymal stem cells (BMSCs) in combination with a demineralized bone matrix (DBM) to repair osteonecrosis of the femoral head (ONFH) in Beagle dogs. METHODS: A total of 30 Beagle dogs were selected for the isolation of BMSCs, which were cultured and transfected with the recombinant adenovirus vector Ad-BMP2-bFGF-GFP (carrying BMP-2 and bFGF) or a control adenovirus plasmid (encoding green fluorescent protein (Ad-GFP))...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29045936/anti-diabetic-potential-of-the-leaves-of-anisomeles-malabarica-in-streptozotocin-induced-diabetic-rats
#4
Peddanna Kotha, Kameswara Rao Badri, Ramya Nagalapuram, Rajasekhar Allagadda, Appa Rao Chippada
BACKGROUND/AIMS: Diabetes mellitus is a pandemic metabolic disorder that is affecting a majority of populations in recent years. There is a requirement for new drugs that are safer and cheaper due to the side effects associated with the available medications. METHODS: We investigated the anti-diabetic activity of leaves of Anisomeles malabarica following bioactivity guided fractionation. The different solvent (hexane, ethyl acetate, methanol and water) extracts of A...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29040977/gene-microarray-integrated-with-high-throughput-proteomics-for-the-discovery-of-transthyretin-in-rhabdomyolysis-induced-acute-kidney-injury
#5
Ou Li, Xiaodong Geng, Qian Ma, Weiwei Wang, Ran Liu, Zhong Yin, Siyang Wang, Guangyan Cai, Xiangmei Chen, Quan Hong
BACKGROUND/AIMS: Rhabdomyolysis, one of the leading causes of acute kidney injury (AKI), develops after trauma, drug toxicity, infections, burns, and physical exertion. The aim of this study was to investigate differences in gene and protein expression to elucidate the pathogenesis of rhabdomyolysis (RM)-induced AKI. METHODS: In this study, we used glycerol induced renal injury as a model of RM-induced AKI. Affymetrix U133 plus 2.0 microarrays were used to perform gene microarray analysis...
October 18, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29041002/astragaloside-iv-induced-mir-134-expression-reduces-emt-and-increases-chemotherapeutic-sensitivity-by-suppressing-creb1-signaling-in-colorectal-cancer-cell-line-sw-480
#6
Qi Ye, Li Su, Dagui Chen, Wenyi Zheng, Ye Liu
BACKGROUND: Colorectal cancer (CRC) is one of the leading causes of cancer-related deaths worldwide. Although chemotherapy is the primary means in colorectal cancer treatment, it is burdenerd by adverse drug effects. Drug-resistance is one of the most important challenges for chemotherapy and epithelial-mesenchymal transition (EMT) plays critical role in the development of drug resistance. AIMS: The aim of this study was to investigate the mechanisms underlying the effect of astragaloside IV (AS-IV) on miR-134 expression, EMT and chemotherapeutic sensitivity in CRC...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29041001/hmgb1-expression-level-in-circulating-platelets-is-not-significantly-associated-with-outcomes-in-symptomatic-coronary-artery-disease
#7
Dominik Rath, Tobias Geisler, Meinrad Gawaz, Sebastian Vogel
BACKGROUND/AIMS: Platelets express high-mobility group box 1 (HMGB1), a damage-associated molecular pattern molecule (DAMP) that triggers thrombosis and inflammation when present in extracellular space. The role of platelet-derived HMGB1 in coronary artery disease (CAD) remains unexplored. METHODS: In a cohort study, we measured the expression of HMGB1 on the surface of circulating platelets in 183 patients with symptomatic CAD (stable CAD: n=80, acute coronary syndrome, ACS: n=103) at the time of percutaneous coronary intervention...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29041000/genetic-variations-of-oxidative-stress-related-genes-alox5-alox5ap-and-mpo-modulate-ischemic-stroke-susceptibility-through-main-effects-and-epistatic-interactions-in-a-chinese-population
#8
Ding Liu, Lei Liu, Zhi Song, Zhongyang Hu, Jia Liu, Deren Hou
BACKGROUND/AIMS: To investigate the roles of the oxidative stress related-genes ALOX5, ALOX5AP and MPO in ischemic stroke susceptibility in the Han Chinese population. METHODS: A total of 351 ischemic stroke patients and 417 controls were recruited. The ALOX5 rs10900213, ALOX5AP rs4293222 and MPO rs2107545 gene polymorphisms were genotyped. RESULTS: We identified that rs2107545 of MPO gene was significantly associated with ischemic stroke susceptibility after adjusting for covariates...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29040978/hydrogen-rich-saline-attenuates-brain-injury-induced-by-cardiopulmonary-bypass-and-inhibits-microvascular-endothelial-cell-apoptosis-via-the-pi3k-akt-gsk3%C3%AE-signaling-pathway-in-rats
#9
Keyan Chen, Nan Wang, Yugang Diao, Wanwei Dong, YingJie Sun, Lidan Liu, Xiuying Wu
BACKGROUND/AIMS: Cardiopulmonary bypass (CPB) is prone to inducing brain injury during open heart surgery. A hydrogen-rich solution (HRS) can prevent oxidation and apoptosis, and inhibit inflammation. This study investigated effects of HRS on brain injury induced by CPB and regulatory mechanisms of the PI3K/Akt/GSK3β signaling pathway. METHODS: A rat CPB model and an in vitro cell hypoxia model were established. After HRS treatment, Rat behavior was measured using neurological deficit score; Evans blue (EB) was used to assess permeability of the blood-brain barrier (BBB); HE staining was used to observe pathological changes; Inflammatory factors and brain injury markers were detected by ELISA; the PI3K/Akt/GSK3β pathway-related proteins and apoptosis were assessed by western blot, immunohistochemistry and qRT -PCR analyses of brain tissue and neurons...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29040968/neutrophils-kill-reactive-oxygen-species-resistant-pseudomonas-aeruginosa-by-sphingosine
#10
Katrin Anne Becker, Xiang Li, Aaron Seitz, Joerg Steinmann, Anne Koch, Edward Schuchman, Markus Kamler, Michael J Edwards, Charles C Caldwell, Erich Gulbins
BACKGROUND/AIMS: Cystic fibrosis (CF) is dominated by chronic inflammation and infection of the lung resulting in lung destruction and early death of patients. The lungs of CF patients are characterized by a massive accumulation of neutrophils. It requires definition why these massive numbers of neutrophils fail to eliminate typical CF pathogens like Staphylococcus aureus and Pseudomonas aeruginosa (P. aeruginosa) in CF lungs. METHODS: We determined ceramide, sphingosine and reactive oxygen species (ROS) in neutrophils from wildtype and CF mice and determined the effect of sphingosine and ROS alone or in combination on killing of different P...
October 17, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035891/inhibiting-ros-tfeb-dependent-autophagy-enhances-salidroside-induced-apoptosis-in-human-chondrosarcoma-cells
#11
Wei Zeng, Tao Xiao, Anlie Cai, Weiliang Cai, Huanhuan Liu, Jingling Liu, Jie Li, Miduo Tan, Li Xie, Ying Liu, Xiangcheng Yang, Yi Long
BACKGROUND/AIMS: Autophagy modulation has been considered a potential therapeutic strategy for human chondrosarcoma, and a previous study indicated that salidroside exhibits significant anti-carcinogenic activity. However, the ability of salidroside to induce autophagy and its role in human chondrosarcoma cell death remains unclear. METHODS: We exposed SW1353 cells to different concentrations of salidroside (0.5, 1 and 2 mM) for 24 h. RT-PCR, Western-blotting, Immunocytofluorescence, and Luciferase Reporter Assays were used to evaluate whether salidroside activated the TFEB-dependent autophagy...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035890/biocharacterization-of-heat-shock-protein-90-in-acetaminophen-treated-livers-without-conspicuous-drug-induced-liver-injury
#12
Ka Wu, Chao Guo, Min Su, Xinmou Wu, Rong Li
BACKGROUND/AIMS: Acetaminophen (APAP) refers to a medication used to manage pain and fever symptoms. Heat shock protein 90 (Hsp90) is to be expressed during various stresses, such as wound healing and tissue remodeling. Recently, it is discovered that Hsp90 is a potential modifier of cytogenesis. In comparison to clinical references of liver damage, this study was designed to assess the potential bioeffect of Hsp90 in APAP-treated livers without conspicuous drug induced liver injury (DILI)...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035889/inhibition-of-suicidal-erythrocyte-death-by-volasertib
#13
Abdulla Al Mamun Bhuyan, A K M Ashiqul Haque, Itishri Sahu, Hang Cao, Michael S D Kormann, Florian Lang
BACKGROUND/AIMS: The Polo-like kinase 1 (Plk1) inhibitor volasertib is used in the treatment of malignancy. Volasertib is partially effective by triggering suicidal death or apoptosis of tumor cells. Similar to apoptosis of nucleated cells, erythrocytes may enter suicidal cell death or eryptosis, which is characterized by cell membrane scrambling with phosphatidylserine translocation to the cell surface and by cell shrinkage. Stimulators of eryptosis include energy depletion, hyperosmotic shock, oxidative stress and excessive increase of cytosolic Ca2+ activity ([Ca2+]i)...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035886/response-gene-to-complement-32-promotes-the-imbalance-of-treg-th17-in-patients-with-dilated-cardiomyopathy
#14
Bailing Li, Wei Zhou, Xiaojun Tang, Wei Wang, Jiajun Pan, Mengwei Tan
BACKGROUND/AIMS: The imbalance of Treg/Th17 cells plays important role in the pathogenesis of dilated cardiomyopathy (DCM). Response gene to complement (RGC)-32 is a cell cycle regulator that plays an important role in cell proliferation. We evaluated whether the upregulation of RGC-32 was implicated in the homeostasis of Treg/Th17 cells in DCM. METHODS: The levels of plasma RGC-32, IL-17 and TGF-β1, and the frequencies of circulating CD4+ RGC-32+ T cells, Th17 and Treg cells in patients with DCM were determined by Cytokine-specific sandwich ELISA and the flow cytometer (FCM), respectively...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035884/protective-effects-of-pretreatment-with-quercetin-against-lipopolysaccharide-induced-apoptosis-and-the-inhibition-of-osteoblast-differentiation-via-the-mapk-and-wnt-%C3%AE-catenin-pathways-in-mc3t3-e1-cells
#15
Chun Guo, Rui-Juan Yang, Ke Jang, Xiao-Ling Zhou, Yu-Zhen Liu
BACKGROUND/AIMS: Quercetin, a flavonoid found in onions and other vegetables, has potential inhibitory effects on bone resorption in vivo and in vitro. In our previous study, we found that quercetin treatment reversed lipopolysaccharide (LPS)-induced inhibition of osteoblast differentiation through the mitogen-activated protein kinase (MAPK) pathway in MC3T3-E1 cells. In this study, we investigated the underlying mechanisms of pretreatment with quercetin on apoptosis and the inhibition of osteoblast differentiation in MC3T3-E1 cells induced by LPS...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035882/regulation-of-arthritis-severity-by-the-acid-sphingomyelinase
#16
Nadine Beckmann, Katrin Anne Becker, Silke Walter, Jan U Becker, Melanie Kramer, Gabriele Hessler, Stefanie Weber, Joachim R Göthert, Klaus Fassbender, Erich Gulbins, Alexander Carpinteiro
BACKGROUND/AIMS: Rheumatoid arthritis is a chronic autoimmune disease hallmarked by inflammation in synovial joints. Treatment is hampered by the lack of a cure and current disease-modifying drugs are associated with potentially severe toxicities. METHODS: We investigated arthritis severity by measuring joint swelling and pro-inflammatory cytokine production in a murine experimental model of inflammatory arthritis (antigen-induced arthritis). We analyzed acid sphingomyelinase knock-out mice and wild-type littermates, as well as mice treated with the pharmacological acid sphingomyelinase inhibitor amitriptyline...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035881/activation-of-signaling-cascades-by-weak-extremely-low-frequency-electromagnetic-fields
#17
Einat Kapri-Pardes, Tamar Hanoch, Galia Maik-Rachline, Manuel Murbach, Patricia L Bounds, Niels Kuster, Rony Seger
BACKGROUND/AIMS: Results from recent studies suggest that extremely low frequency magnetic fields (ELF-MF) interfere with intracellular signaling pathways related to proliferative control. The mitogen-activated protein kinases (MAPKs), central signaling components that regulate essentially all stimulated cellular processes, include the extracellular signal-regulated kinases 1/2 (ERK1/2) that are extremely sensitive to extracellular cues. Anti-phospho-ERK antibodies serve as a readout for ERK1/2 activation and are able to detect minute changes in ERK stimulation...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035879/advanced-glycation-end-products-impair-ca2-mobilization-and-sensitization-in-colonic-smooth-muscle-cells-via-the-camp-pka-pathway
#18
Ting Yu, Yun Wang, Dong Qian, Xiaomeng Sun, Yurong Tang, Xiaoxue Shen, Lin Lin
BACKGROUND/AIMS: Excessive production of advanced glycation end products (AGEs) has been implicated in diabetes-related complications. This study aimed to investigate the mechanism by which AGEs potentially contribute to diabetes-associated colonic dysmotility. METHODS: Control and streptozotocin (STZ)-induced diabetic groups were treated with aminoguanidine (AG). The colonic transit time and contractility of circular muscle strips was measured. ELISA, immunohistochemistry and western blotting were used to measure Nε-carboxymethyl-lysine (CML) levels...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035877/association-of-maternal-serum-25-hydroxyvitamin-d-concentrations-with-risk-of-gestational-anemia
#19
Yingdi Yuan, Zhiyong Cai, YaoYao Dai, Qin Hong, Xingyun Wang, Lijun Zhu, Pengfei Xu, Lianghui You, Xing Wang, Chenbo Ji, Juan Wen, Xirong Guo
BACKGROUND/AIMS: Vitamin D deficiency has been shown to be associated with a greater prevalence of anemia in various healthy and diseased populations by a great deal of observational studies. However, less work has been done to explore this association in pregnant women. The aim of this study was to evaluate the association between maternal serum 25-hydroxyvitamin D [25(OH)D] concentrations and risk of gestational anemia in a large, nested case-control study. METHODS: The serum 25(OH)D concentrations was measured by enzyme immunoassay in 775 pregnant women affected with anemia and 1550 controls...
October 16, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29035876/hydrogen-gas-attenuates-myocardial-ischemia-reperfusion-injury-independent-of-postconditioning-in-rats-by-attenuating-endoplasmic-reticulum-stress-induced-autophagy
#20
Yunan Gao, Hongxiao Yang, Jing Chi, Qiannan Xu, Luqi Zhao, Weijia Yang, Weifan Liu, Wei Yang
BACKGROUND/AIMS: To study the effect of inhaling hydrogen gas on myocardial ischemic/reperfusion(I/R) injury in rats. METHODS: Seventy male Wistar albino rats were divided into five groups at random as the sham group (Sham). The I/R group (I/R), The ischemic postconditioning group (IPo), The I/R plus hydrogen group (IH2) and the ischemic postconditioning plus hydrogen group (IPoH2). The Sham group was without coronary occlusion. In I/R group, Ischemic/reperfusion injury was induced by coronary occlusion for 1 hour...
October 16, 2017: Cellular Physiology and Biochemistry
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