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https://www.readbyqxmd.com/read/29656591/amp-activated-protein-kinase-dependent-induction-of-autophagy-by-erythropoietin-protects-against-spinal-cord-injury-in-rats
#1
Peng Wang, Zhong-Dong Xie, Chang-Nan Xie, Chao-Wei Lin, Ji-Li Wang, Li-Na Xuan, Chun-Wu Zhang, Yu Wang, Zhi-Hui Huang, Hong-Lin Teng
AIMS: Autophagy has been regarded as a promising therapeutic target for spinal cord injury (SCI). Erythropoietin (EPO) has been demonstrated to exhibit neuroprotective effects in the central nervous system (CNS); however, the molecular mechanisms of its protection against SCI remain unknown. This study aims to investigate whether the neuroprotective effects of EPO on SCI are mediated by autophagy via AMP-activated protein kinase (AMPK) signaling pathways. METHODS: Functional assessment and Nissl staining were used to investigate the effects of EPO on SCI...
April 15, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29656576/repurposing-carbamazepine-for-the-treatment-of-amyotrophic-lateral-sclerosis-in-sod1-g93a-mouse-model
#2
Jing-Jing Zhang, Qin-Ming Zhou, Sheng Chen, Wei-Dong Le
AIMS: To investigate the effect and mechanisms of carbamazepine (CBZ) on the onset and progression of amyotrophic lateral sclerosis (ALS) in SOD1-G93A mouse model. METHODS: Starting from 64 days of age, SOD1-G93A mice were orally administered with CBZ at 200 mg/kg once daily until death. The disease onset and life span of SOD1-G93A mice were recorded. Motor neurons (MNs) in anterior horn of spinal cord were quantified by Nissl staining and SMI-32 immunostaining...
April 14, 2018: CNS Neuroscience & Therapeutics
https://www.readbyqxmd.com/read/29656391/proteomic-analysis-of-sperm-proteins-in-infertile-men-with-high-levels-of-reactive-oxygen-species
#3
A Ayaz, A Agarwal, R Sharma, N Kothandaraman, Z Cakar, S Sikka
Oxidative stress is a significant risk factor for male infertility. A pro-oxidant testicular environment may alter the expression profile of functional sperm proteins and result in poor sperm quality. Patients and donors were divided into ROS (-) and ROS (+) groups. Using computational studies, and data mining of available literature on spermatozoa, oxidative stress and proteomics, we identified three core regulatory proteins angiotensin-converting enzyme (ACE), heat-shock protein (Hsp70) family A member 2 (HSPA2) and ribosomal protein subunit 27A (RPS27A) and seven interlink proteins NOS2, SUMO2, UBL4A, FBXO25, MAP3K3, APP and UBC...
April 15, 2018: Andrologia
https://www.readbyqxmd.com/read/29656317/inflammatory-response-of-pulmonary-artery-smooth-muscle-cells-exposed-to-oxidative-and-biophysical-stress
#4
Joanna Costa, Yan Zhu, Timothy Cox, Paul Fawcett, Thomas Shaffer, Deepthi Alapati
Pulmonary hypertension in the neonate requires treatment with oxygen and positive pressure ventilation, both known to induce lung injury. The direct response of pulmonary artery smooth muscle cells, the most abundant cells in the artery wall, to the stress of positive pressure and hyperoxia has not been previously studied. Pulmonary artery smooth muscle cells were cultured in temperature- and pressure-controlled air-tight chambers under conditions of positive pressure or hyperoxia for 24 h. Control cells were cultured in room air under atmospheric pressure...
April 14, 2018: Inflammation
https://www.readbyqxmd.com/read/29656315/acamprosate-protects-against-adjuvant-induced-arthritis-in-rats-via-blocking-the-erk-mapk-and-nf-%C3%AE%C2%BAb-signaling-pathway
#5
Jun Pan, Rilong Jin, Miaoda Shen, Ronghuan Wu, Sanzhong Xu
Osteoarthritis is a type of joint disease that results from the breakdown of joint cartilage and underlying bone and is believed to be caused by mechanical stress on the joint and low-grade inflammatory processes. Acamprosate significantly ameliorates the pathological features of experimental autoimmune encephalomyelitis due to its anti-inflammatory effect. The aims of the present study were to investigate the anti-arthritis activities of acamprosate and elucidate the underlying mechanisms. Adjuvant-induced arthritis (AIA) was induced by intradermal injection of complete Freund's adjuvant...
April 14, 2018: Inflammation
https://www.readbyqxmd.com/read/29656307/alveolar-bone-protective-effect-of-hiziki-extracts-on-the-progression-of-periodontitis
#6
Don-Gil Lee, Yu-Kyong Shin, Jae-Hee Park, Sang-Yong Park, Eunson Hwang, Jung-Eun Yang, Hae Jo, Ki-Young Kim, Gafurjon T Mavlonov, Tae-Hoo Yi
The purpose of this study was to evaluate the effects of hiziki extract on alveolar bone loss, inflammation, and osteo-biomarker expression in hPDL cells (10, 50, 100 μg/ml final concentrations in culture medium) and on a ligature-induced periodontitis rat model (50, 100, 200 mg/kg with oral administration). Hiziki extract increased alkaline phosphatase activity and mineralized nodule formation in hPDL cell. In western blot analysis, hiziki extract resulted in increased expression of osteoblast markers, including transforming growth factor beta (TGF-β), SMAD anchor for receptor activation (SARA) and runt-related transcription factor 2 (RUNX2) in hDPL cells...
April 14, 2018: Marine Biotechnology
https://www.readbyqxmd.com/read/29656300/the-sineoculis-homeobox-homolog-1-six1-gene-regulates-paclitaxel-resistance-by-affecting-reactive-oxygen-species-and-autophagy-in-human-hepatocellular-carcinoma-cell-line-hepg2
#7
Baowei Li, Shahe Zhao, Ruipeng Geng, Zhongchao Huo, Hui Zhang
BACKGROUND The objective of this study was to explore the role of SIX1 in paclitaxel (TAX) resistance of HepG2 cells via reactive oxygen species (ROS) and autophagy pathway. MATERIAL AND METHODS Hepatoma cell line HepG2 was treated with SIX1 knockdown or/and TAX. Cell growth was detected by MTT assay and colony formation assay. Cell apoptosis was evaluated with flow cytometry. ROS levels were detected using flow cytometry (stained with DCFH2-DA). Western blot was conducted to detect the expression of SIX1 and autophagy-related proteins...
April 15, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29656289/high-concentration-of-glial-cell-line-derived-neurotrophic-factor-protects-primary-astrocytes-from-apoptosis
#8
Yuqian Wang, Yuxia Qin, Tingwen Guo, Chuanxi Tang, Liyun Liu, Dianshuai Gao
BACKGROUND: Studies have shown that astrocytes play an important role in a variety of biological processes, so damage to astrocytes can cause a series of related diseases. Glial cell line-derived neurotrophic factor (GDNF) has always been considered a protective factor for dopamine neurons. However, it remains unclear whether GDNF has a protective effect on glial cells, especially astrocytes. In this study, we put forward the hypothesis that a high concentration of GDNF in the microenvironment of astrocytes exerts an inhibitory effect on the apoptosis of astrocytes by DNA-damaging reagents...
April 13, 2018: Developmental Neuroscience
https://www.readbyqxmd.com/read/29656200/photoinduced-anticancer-activity-studies-of-iridium-iii-complexes-targeting-mitochondria-and-tubules
#9
Wen-Yao Zhang, Qian-Yan Yi, Yang-Jie Wang, Fan Du, Miao He, Bing Tang, Dan Wan, Yun-Jun Liu, Hong-Liang Huang
Three new iridium (III) complexes [Ir (ppy)2 (ipbc)](PF6 ) (1), [Ir (bzq)2 (ipbc)](PF6 ) (2) and [Ir (piq)2 (ipbc)](PF6 ) (3) were designed and synthesized. All the complexes were tested for anticancer activity using 3-(4,5-dimethylthiazole)-2,5-diphenyltetraazolium bromide (MTT) method. The complexes show no cytotoxic activity toward cancer BEL-7402, SGC-7901, Eca-109, A549, HeLa and HepG2 cells. However, upon irradiation with white light, the complexes display high cytotoxicity against BEL-7402 cells with an IC50 value of 5...
April 7, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29656197/design-and-synthesis-of-bpr1k653-derivatives-targeting-the-back-pocket-of-aurora-kinases-for-selective-isoform-inhibition
#10
Yi-Yu Ke, Chun-Ping Chang, Wen-Hsing Lin, Chia-Hua Tsai, I-Chen Chiu, Wan-Ping Wang, Pei-Chen Wang, Pei-Yi Chen, Wen-Hsin Lin, Chun-Feng Chang, Po-Chu Kuo, Jen-Shin Song, Chuan Shih, Hsing-Pang Hsieh, Ya-Hui Chi
Twenty five novel chemical analogs of the previously reported Aurora kinase inhibitor BPR1K653 (1-(4-(2-((5-chloro-6-phenylfuro[2,3-d]pyrimidin-4-yl)amino)ethyl)phenyl)-3-(2-((dimethylamino)methyl)phenyl)urea) have been designed, synthesized, and evaluated by Aurora-A and Aurora-B enzymatic kinase activity assays. Similar to BPR1K653, analogs 3b-3h bear alkyl or tertiary amino group at the ortho position of the phenylurea, and showed equal or better inhibition activity for Aurora-B over Aurora-A. Conversely, preferential Aurora-A inhibition activity was observed when the same functional group was moved to the meta position of the phenylurea...
April 3, 2018: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/29656141/wnt5a-suppresses-inflammation-driven-intervertebral-disc-degeneration-via-a-tnf-%C3%AE-nf-%C3%AE%C2%BAb-wnt5a-negative-feedback-loop
#11
Zemin Li, Kuibo Zhang, Xiang Li, Hehai Pan, Sibei Li, Fan Chen, Jian Zhang, Zhaomin Zheng, Jianru Wang, Hui Liu
OBJECTIVE: This study was to investigate the molecular role of Wnt5a on inflammation-driven intervertebral disc degeneration (IVDD). METHODS: The expression of Wnt5a was analyzed in human nucleus pulposus (NP) tissues with immunohistochemical staining. The effects of Wnt5a on matrix production were assessed by RT-qPCR and western blotting. Small interfering RNAs (siRNAs), promoter deletion assay, and promoter binding site mutant were used to reveal the molecular role of Wnt5a in TNF-α-induced matrix metalloproteinase (MMP) expression...
April 12, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29655854/the-expression-and-distribution-of-a-leptin-receptor-in-the-central-nervous-system-digestive-organs-and-gonads-of-the-giant-freshwater-prawn-macrobrachium-rosenbergii
#12
Jaruwan Poljaroen, Ruchanok Tinikul, Panat Anuracpreeda, Prasert Sobhon, Yotsawan Tinikul
In the present study, the presence and distribution of leptin receptor (LEP-R) in central nervous system, digestive organs, gonads of giant freshwater prawn, Macrobrachium rosenbergii, were investigated with Western blot and immunohistochemistry. By Western blot a LEP-R with a molecular weight (MW) of 100 kDa was detected in the brain, thoracic ganglia, abdominal ganglia, hepatopancreas, all parts of the gastrointestinal tract, ovaries, and testes. In hepatopancreas and foregut, another intense positive band was detected at molecular weight of 30 kDa, which could be an isotype of LEP-R...
April 11, 2018: Acta Histochemica
https://www.readbyqxmd.com/read/29655853/total-saponins-of-albiziae-cortex-show-anti-hepatoma-carcinoma-effects-by-inducing-s-phase-arrest-and-mitochondrial-apoptosis-pathway-activation
#13
Yi Qian, Qing-Hua Han, Li-Chao Wang, Qiang Guo, Xu-Da Wang, Peng-Fei Tu, Ke-Wu Zeng, Hong Liang
ETHNOPHARMACOLOGICAL RELEVANCE: Albiziae Cortex (AC) is a widely used traditional medicine in China. It is possess various properties to treat insomnia, traumatic injuries, diuresis, sthenia, and confusion. Total saponins of Albiziae Cortex (TSAC) are the most abundant bioactive components of AC, which were reported to show significant anti-tumor effects in vivo and in vitro. But the underlying mechanism of TSAC remained to be revealed. AIM OF STUDY: In this study, we investigated the anti- hepatoma carcinoma effects and the potential mechanism of TSAC in vivo and in vitro...
April 12, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29655850/biomonitoring-role-of-some-cellular-markers-during-heat-stress-induced-changes-in-highly-representative-fresh-water-mollusc-bellamya-bengalensis-implication-in-climate-change-and-biological-adaptation
#14
Sangita Maiti Dutta, Soumyajit Banerjee Mustafi, Sanghamitra Raha, Susanta Kumar Chakraborty
Owing to increasing concern of global climate-change, temperature rise is of great interest which can be primarily evaluated from the seasonal variations in some organisms. Aquatic environment can be extremely stressful to its inhabitants because most of them are poikilothermous. In the present study, attempt was made to evaluate the biological effects of oxidative-stress and adaptive/antioxidant capacities during temperature variations (36-40 °C for 24hrs to 72hrs) in Bellamya bengalensis both in environmental and laboratory conditions by testing some biomarkers like HSP70, catalase (CAT), superoxide dismutase (SOD), reduced glutathione (GSH) and glutathione reductase (GR)...
April 12, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29655746/identification-of-pyruvate-kinase-as-a-novel-allergen-in-whiteleg-shrimp-litopenaeus-vannamei-by-specific-ige-present-in-patients-with-shrimp-allergy
#15
Chih-Hung Lee, Chia-Ching Wu, Yu-Chang Tyan, Wei-Tai Yu, Edward S Huang, Hsu-Sheng Yu
Food allergy is one of the most important health issues worldwide. In Taiwan, current literature suggests shrimps and crabs are the most common causes of food allergy, and are frequently associated with acute allergic reactions such as urticaria, atopic dermatitis, and asthma. However, knowledge regarding the shrimp allergens remains limited. Thus, there is an urgent need to establish comprehensive information for elucidating underlying triggers for food allergy. In this study, whiteleg shrimp (Litopenaeus vannamei) was used to evaluate the IgE-binding properties of various shrimp proteins to 7 allergic patients' sera by western blot...
August 30, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29655703/the-effects-of-wild-bitter-gourd-fruit-extracts-on-icam-1-expression-in-pulmonary-epithelial-cells-of-c57bl-6j-mice-and-microrna-221-222-knockout-mice-involvement-of-the-mir-221-222-pi3k-akt-nf-%C3%AE%C2%BAb-pathway
#16
Hsin-Ching Sung, Chen-Wei Liu, Chien-Yu Hsiao, Shu-Rung Lin, I-Shing Yu, Shu-Wha Lin, Ming-Hsien Chiang, Chan-Jung Liang, Chi-Ming Pu, Yu-Chen Chen, Ming-Shian Lin, Yuh-Lien Chen
BACKGROUND: The extracts from wild bitter gourd fruit (WBGE) were reported to possess numerous pharmacological activities. However, the anti-inflammatory effects of WBGE on human lung epithelial cells and the underlying mechanisms have not been determined. PURPOSE: To evaluate the molecular basis of the effects of WBGE on intercellular adhesion molecule-1 (ICAM-1) expression in alveolar epithelial (A549) cells, C57BL/6 wild-type (WT) mice and microRNA (miR)-221/-222 knockout (KO) mice with or without tumor necrosis factor (TNF-α; 3 ng/ml) treatment...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29655702/4-2-4-chlorophenyl-1-4-chlorophenyl-amino-ethyl-benzene-1-3-diol-is-a-potential-agent-for-gout-therapy-as-a-dual-inhibitor-of-xod-and-nlrp3
#17
Mengze Zhou, Suning Li, Ling Song, Qinghua Hu, Wentao Liu
BACKGOUND: Gout is an inflammatory arthritis characterized by abrupt self-limiting attacks of inflammation caused by precipitation of monosodium urate crystals (MSU) in the joint. Both anti-hyperuricemia and anti-inflammation could be gout therapeutic strategies, whereas ideal drugs for gout treatment are deficient. PURPOSE: 4-(2-(4-chlorophenyl)-1-((4-chlorophenyl)amino)ethyl)benzene-1, 3-diol (CBED) was obtained from a cluster of deoxybenzoins derivatives synthesized by our research group with potent anti-hyperuricemic and anti-inflammatory activities, which was expected to be a dual inhibitor of xanthine oxidase (XOD) and NOD-like receptor protein 3 (NLRP3)...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29655701/apoptosis-and-pro-death-autophagy-induced-by-a-spirostanol-saponin-isolated-from-rohdea-chinensis-baker-n-tanaka-synonym-tupistra-chinensis-baker-on-hl-60-cells
#18
Xiaomin Yi, Limin Xiang, Yuying Huang, Yihai Wang, Xiangjiu He
BACKGROUND: Our previous study has revealed that the spirostanol saponins isolated from the rhizomes of Rohdea chinensis (Baker) N. Tanaka (synonym Tupistra chinensis Baker) (Convallariaceae) (a reputed folk medicine) exhibited potent antiproliferative activity. However, the underlying mechanism of purified saponins remains unclear. More studies are necessary to assess the apoptosis and autophagy activities of the saponins from R. chinensis and clarify their antiproliferative mechanisms...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29655695/alisma-orientale-extract-exerts-the-reversing-cholestasis-effect-by-activation-of-farnesoid-x-receptor
#19
Xiao-Kui Huo, Jing Liu, Zhen-Long Yu, Yi-Fei Wang, Chao Wang, Xiang-Ge Tian, Jing Ning, Lei Feng, Cheng-Peng Sun, Bao-Jing Zhang, Xiao-Chi Ma
BACKGROUND: Cholestasis is a clinical syndrome of liver damage that is caused by accumulation of bile acids in the liver and systemic circulation. Farnesoid X receptor (FXR) can regulate synthesis, metabolism, and excretion of bile acids. The rhizomes of Alisma orientale is a well-known traditional Chinese medicine to treat edema, obesity, gonorrhea, leukorrhea, diarrhea, hyperlipidemia, and diabetes in China. HYPOTHESIS/PURPOSE: We hypothesized Alisma orientale extract (AOE) to exert hepatoprotective effect against α-naphthylisothiocyanate (ANIT) induced cholestasis in rat...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29655694/tatanan-a-from-the-acorus-calamus-l-root-inhibited-dengue-virus-proliferation-and-infections
#20
Xingang Yao, Yun Ling, Songxin Guo, Wenyu Wu, Shijun He, Qing Zhang, Min Zou, Kutty Selva Nandakumar, Xiaoguang Chen, Shuwen Liu
BACKGROUND: Acorus calamus l. (Acoraceae) is a well-known traditional Chinese medicinal plant, whose root are historically mainly used to treat neurodegenerative diseases, and for cholera treatment. This datum strongly indicates the antimicrobial activity of A. calamus. PURPOSE: Our goal is to find the active constituents of A. calamus to treat dengue virus (DENV) infections, and to study the effects and mechanisms of these active substances. METHODS: The root of A...
March 15, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
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