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https://www.readbyqxmd.com/read/28338175/study-on-the-mechanism-of-ampk-signaling-pathway-and-its-effect-on-apoptosis-of-human-hepatocellular-carcinoma-smmc-7721-cells-by-curcumin
#1
Y-J Zhang, H Xiang, J-S Liu, D Li, Z-Y Fang, H Zhang
OBJECTIVE: Liver cancer is a common malignant tumor in the digestive system. Curcumin is a kind of phenolic pigment, which is extracted from herbage and has a plenty of physiological roles in anti-inflammation, anti-oxidation and anti-tumor. In our study, human hepatoma SMMC-7721 cell lines were selected and treated with curcumin to detect its effects on the apoptosis and AMPK signaling pathway. MATERIALS AND METHODS: Human liver cancer cell strain SMMC-7721 was cultured and treated with different curcumin concentrations for different times followed by measuring the changes of cell proliferation activity and cycle by MTT and flow cytometry, respectively...
March 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28335413/chitin-oligosaccharide-cos-reduces-antibiotics-dose-and-prevents-antibiotics-caused-side-effects-in-adolescent-idiopathic-scoliosis-ais-patients-with-spinal-fusion-surgery
#2
Yang Qu, Jinyu Xu, Haohan Zhou, Rongpeng Dong, Mingyang Kang, Jianwu Zhao
Antibiotics are always considered for surgical site infection (SSI) in adolescent idiopathic scoliosis (AIS) surgery. However, the use of antibiotics often causes the antibiotic resistance of pathogens and side effects. Thus, it is necessary to explore natural products as drug candidates. Chitin Oligosaccharide (COS) has anti-inflammation and anti-bacteria functions. The effects of COS on surgical infection in AIS surgery were investigated. A total of 312 AIS patients were evenly and randomly assigned into control group (CG, each patient took one-gram alternative Azithromycin/Erythromycin/Cloxacillin/Aztreonam/Ceftazidime or combined daily), experiment group (EG, each patient took 20 mg COS and half-dose antibiotics daily), and placebo group (PG, each patient took 20 mg placebo and half-dose antibiotics daily)...
March 14, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28331287/does-remifentanil-attenuate-renal-ischemia-reperfusion-injury-better-than-dexmedetomidine-in-rat-kidney
#3
E Erkılıç, E Kesimci, F Alaybeyoğlu, I Kılınç, R Tural, A Yazgan, T Gümüş, A Sepici Dinçel, E G Dumlu, O Kanbak
BACKGROUND: Ischemia-reperfusion (I/R) injury is a common cause of patient morbidity and mortality in the perioperative period. Patients undergoing long-lasting, abdominal, and urogenital surgeries with risk factors such as advanced age, peripheral artery disease, diabetes mellitus, renovascular disease, and congestive heart failure are candidates for acute kidney injury (AKI) due to impaired renal perfusion and decreased functional renal reserve. Pharmacological agents with multiple functions and anti-oxidative and anti-inflammation properties may be promising preventative strategies for AKI...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28330724/treatment-effects-and-mechanisms-of-yujin-powder-on-rat-model-of-large-intestine-dampness-heat-syndrome
#4
Wanling Yao, Chaoxue Yang, Yanqiao Wen, Wangdong Zhang, Xiaosong Zhang, Qi Ma, Peng Ji, Yongli Hua, Yanming Wei
ETHNOPHARMACOLOGICAL RELEVANCE: Yujin Powder (YJP), an old prescription, is one of the most classical prescription for treating the large intestine dampness-heat syndrome (LIDHS). However, its potential modern pharmacological mechanisms remain unclear. AIM OF THE STUDY: The present study was designed to explore the essence of LIDHS and treatment mechanisms of the YJP on the LIDHS. METHODS: The rat model of LIDHS was established by such complex factors as high-sugar and high-fat diet, improper diet, high temperature and humidity environment (HTHE), drinking and intraperitoneal injection of Escherichia coli...
March 19, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28321876/effects-of-glucose-concentration-on-osteogenic-differentiation-of-type-ii-diabetes-mellitus-rat-bone-marrow-derived-mesenchymal-stromal-cells-on-a-nano-scale-modified-titanium
#5
I Yamawaki, Y Taguchi, S Komasa, A Tanaka, M Umeda
BACKGROUND AND OBJECTIVE: Diabetes mellitus (DM) is a common disease worldwide. Patients with DM have an increased risk of losing their teeth compared with other individuals. Dental implants are a standard of care for treating partial or full edentulism, and various implant surface treatments have recently been developed to increase dental implant stability. However, some studies have reported that DM reduces osseointegration and the success rate of dental implants. The purpose of this study was to determine the effects of high glucose levels for hard tissue formation on a nano-scale modified titanium surface...
March 21, 2017: Journal of Periodontal Research
https://www.readbyqxmd.com/read/28316198/-research-update-of-effectiveness-and-mechanism-of-essential-fatty-acids-in-treating-dry-eye
#6
Y Liu, Q F Liang
Topical anti-inflammatory therapy has become the significant way of treating dry eye so far. However, as the long-term use of routine anti-inflammatory medications are restricted from their side effects, it is inevitable to explore safer and more effective alternatives. Essential fatty acids have proven to be anti-inflammatory systemically, which makes it possible to treat dry eye. Clinical trials have demonstrated that supplementation with either ω-3 or ω-6 essential fatty acids or both has multifactorial efficacies including improvement of subjective symptoms, alleviation of inflammation of ocular surface and eyelid margin, prolongation of tear break-up time and increase of tear flow secretion...
March 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28315822/protective-effect-of-zerumbone-reduces-lipopolysaccharide-induced-acute-lung-injury-via-antioxidative-enzymes-and-nrf2-ho-1-pathway
#7
Wai-Shing Leung, Ming-Ling Yang, Shiuan-Shinn Lee, Chi-Wen Kuo, Yung-Chyuan Ho, Rosa Huang-Liu, Hui-Wen Lin, Yu-Hsiang Kuan
Acute lung injury (ALI) is a serious disease with high morbidity and mortality rate. Although there are effective strategies for treatment of ALI; a widely accepted specific pharmacotherapy has not yet established. Zerumbone, the major active phytochemical compound from Zingiber zerumbet Smith, exhibits various beneficial biological and pharmacological activities, such as antioxidation, anti-inflammation, immunomodulation, and anti-cancer. We aimed to study the potential protective effects and mechanisms of zerumbone in mouse model of lipopolysaccharide (LPS)-induced ALI...
March 15, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28314276/evodiamine-induces-cell-growth-arrest-apoptosis-and-suppresses-tumorigenesis-in-human-urothelial-cell-carcinoma-cells
#8
Chung-Sheng Shi, Jhy-Ming Li, Chih-Chien Chin, Yi-Hung Kuo, Ying-Ray Lee, Yun-Ching Huang
BACKGROUND/AIM: Evodiamine, an indole alkaloid derived from Evodia rutaecarpa, exhibits pharmacological activities including vasodilatation, analgesia, anti-cardiovascular disease, anti-Alzheimer's disease, anti-inflammation, and anti-tumor activity. MATERIALS AND METHODS: This study analyzes the anti-tumor effects of evodiamine on cellular growth, tumorigenesis, cell cycle and apoptosis induction of human urothelial cell carcinoma (UCC) cells. RESULTS: The present study showed that evodiamine significantly inhibited the proliferation of UCC cells in a dose- and time-dependent manner...
March 2017: Anticancer Research
https://www.readbyqxmd.com/read/28302458/the-effects-of-dexmedetomidine-pretreatment-on-the-pro-and-anti-inflammation-systems-after-spinal-cord-injury-in-rats
#9
Hui Rong, Zhibin Zhao, Jiying Feng, Yishan Lei, Hao Wu, Rao Sun, Zuoxia Zhang, Bailing Hou, Wei Zhang, YuE Sun, Xiaoping Gu, Zhengliang Ma, Yue Liu
Excessive inflammatory responses play important roles in the aggravation of secondary damage to an injured spinal cord. Dexmedetomidine (DEX), a selective α2-adrenoceptor agonist, has recently been implied to be neuroprotective in clinical anesthesia, but the underlying mechanism is elusive. As signaling through Toll-like receptor 4 (TLR4) and nicotinic receptors (nAChRs, notably α7nAChR) play important roles in the pro- and anti-inflammation systems in the central nervous system, respectively, this study investigated whether and how they were modulated by DEX pretreatment in a rat model of spinal cord compression...
March 14, 2017: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/28301985/a-review-on-phytochemical-and-pharmacological-properties-of-litsea-coreana
#10
Xuejing Jia, Peng Li, Jianbo Wan, Chengwei He
CONTEXT: Litsea coreana H. Lév. (Lauraceae) is used as an ethnic herb or beverage in China. Substantial studies indicate that it contains a variety of compounds and shows diverse bioactivities with no toxicity. OBJECTIVE: This review analyzes and summarizes the ethnopharmacological applications, phytochemistry, and pharmacological activities and molecular mechanisms of L. coreana. METHODS: Related literature (from 1998 to 2016) was obtained and compiled via searching databases including Scopus, Web of Science, Google Scholar, CNKI and PubMed...
December 2017: Pharmaceutical Biology
https://www.readbyqxmd.com/read/28301149/methyl-protodioscin-induces-apoptosis-in-human-osteosarcoma-cells-by-caspase-dependent-and-mapk-signaling-pathways
#11
Shun-Cheng Tseng, Tai-Shan Shen, Chia-Chieh Wu, Ing-Lin Chang, Hsin-Yao Chen, Chen-Pu Hsieh, Chun-Hsiang Cheng, Chiu-Liang Chen
Methyl protodioscin (MPD), a furostanol saponin derived from the rhizomes of Dioscorea collettii var. hypoglauca (Dioscoreaceae), has been shown to exhibit broad bioactivities such as anti-inflammation and antitumor activities. Here, we explored the molecular mechanisms by which MPD induced apoptosis in MG-63 cells. The data showed that MPD significantly suppressed cell growth (cell viabilities: 22.5 ± 1.9% for 8 μM MPD versus 100 ± 1.4% for control, P < 0.01) and enhanced cell apoptosis. The exposure to MPD resulted in a significant induction of reactive oxygen species, loss of mitochondrial membrane potential, and activation of caspase-9 and caspase-3 (P < 0...
March 24, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28296552/enhanced-socs3-in-osteoarthiritis-may-limit-both-proliferation-and-inflammation
#12
T Gui, B S He, Q Gan, C Yang
Osteoarthritis (OA) is a degenerative joint disease that is characterized by localized inflammatory and secondary proliferative changes. Suppressor of cytokine signaling 3 (SOCS3) is elevated during OA development. We investigated the effects of this protein on human chondrocyte survival in OA and the inflammatory response together with the mechanisms of these effects. Small interfering RNA (siRNA) was used to knock down the expression of SOCS3 in interleukin(IL)-1β-induced primary human osteoarthritic chondrocytes...
2017: Biotechnic & Histochemistry: Official Publication of the Biological Stain Commission
https://www.readbyqxmd.com/read/28291869/neuroprotective-effects-of-omega-3-polyunsaturated-fatty-acids-in-a-rat-model-of-anterior-ischemic-optic-neuropathy
#13
Tassos Georgiou, Yao-Tseng Wen, Chung-Hsing Chang, Panagiotis Kolovos, Maria Kalogerou, Ekatherine Prokopiou, Anastasia Neokleous, Chin-Te Huang, Rong-Kung Tsai
Purpose: The purpose of this study was to investigate the therapeutic effect of omega-3 polyunsaturated fatty acid (ω-3 PUFA) administration in a rat model of anterior ischemic optic neuropathy (rAION). Methods: The level of blood arachidonic acid/eicosapentaenoic acid (AA/EPA) was measured to determine the suggested dosage. The rAION-induced rats were administered fish oil (1 g/day EPA) or phosphate-buffered saline (PBS) by daily gavage for 10 consecutive days to evaluate the neuroprotective effects...
March 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/28290732/cycloastragenol-mediates-activation-and-proliferation-suppression-in-concanavalin-a-induced-mouse-lymphocyte-pan-activation-model
#14
Chenghong Sun, Mingmin Jiang, Li Zhang, Jian Yang, Guimin Zhang, Bingyuan Du, Yushan Ren, Xin Li, Jingchun Yao
CONTEXT: Cycloastragenol (CAG) is a molecule isolated from various species in the genus Astragalus. Although the regulatory activity of Astragalus on immune system has been investigated, the effect of CAG on activated lymphocytes is poorly understood. OBJECTIVE: We aimed to biologically address the possible anti-inflammation potential of CAG on concanavalin A (Con A)-mediated mouse lymphocyte pan-activation model. MATERIALS AND METHODS: Mouse lymphocytes were obtained from spleens and subjected to Con A for 24 h...
March 14, 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28285192/xanthohumol-ameliorates-lipopolysaccharide-lps-induced-acute-lung-injury-via-induction-of-ampk-gsk3%C3%AE-nrf2-signal-axis
#15
Hongming Lv, Qinmei Liu, Zhongmei Wen, Haihua Feng, Xuming Deng, Xinxin Ci
Abundant natural flavonoids can induce nuclear factor-erythroid 2 related factor 2 (Nrf2) and/or AMP-activated protein kinase (AMPK) activation, which play crucial roles in the amelioration of various inflammation- and oxidative stress-induced diseases, including acute lung injury (ALI). Xanthohumol (Xn), a principal prenylflavonoid, possesses anti-inflammation and anti-oxidant activities. However, whether Xn could protect from LPS-induced ALI through inducing AMPK/Nrf2 activation and its downstream signals, are still poorly elucidated...
March 2, 2017: Redox Biology
https://www.readbyqxmd.com/read/28282784/carnosic-acid-cooperates-with-tamoxifen-to-induce-apoptosis-associated-with-caspase-3-activation-in-breast-cancer-cells-in-vitro-and-in-vivo
#16
Na-Na Han, Qi Zhou, Qian Huang, Kai-Jiang Liu
Tamoxifen is known as a standard therapeutic treatment for estrogen receptor-positive breast cancer, which down-regulates breast cancer mortality by 31% approximately. Carnosic acid is a phenolic diterpene, which has anti-cancer, anti-inflammation, anti-diabetic and anti-bacterial properties, generated by various species coming from Lamiaceae family. The breast cancer is reported as one of the most common tumors among women worldwide. In our study, the possible benefits of carnosic acid cooperation with tamoxifen for breast cancer treatment in vitro and in vivo were investigated...
March 6, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28282576/antioxidation-anti-inflammation-and-anti-apoptosis-by-paeonol-in-lps-d-galn-induced-acute-liver-failure-in-mice
#17
Xiaobao Gong, You Yang, Ligua Huang, Qingyan Zhang, Rong-Zhen Wan, Peng Zhang, Baoshun Zhang
To evaluate the hepatoprotective effects and potential mechanisms of paeonol (Pae) against acute liver failure (ALF) induced by lipopolysaccharide (LPS)/d-galactosamine (d-GalN) in mice, we examined anti-oxidative, anti-inflammatory and anti-apoptotic activities of Pae. We found that Pae pretreatment markedly reduced the activities of alanine transaminase and aspartate transaminase as well as the histopathological changes induced by LPS/d-GalN. Catalase, glutathione and superoxide dismutase activities increased and reactive oxygen species activity decreased after Pae treatment compared with LPS/d-GalN treatment...
March 7, 2017: International Immunopharmacology
https://www.readbyqxmd.com/read/28281965/astragaloside-iv-enhances-cisplatin-chemosensitivity-in-human-colorectal-cancer-via-regulating-notch3
#18
Tao Xie, Yao Li, Shi-Lei Li, Hai-Feng Luo
Although astragaloside IV exhibits anti-inflammation, immunoregulatory, and anticancer properties, the chemosensitization effects of astragaloside IV in colorectal cancer have never been reported. Our study tested whether astragaloside could increase cisplatin sensitivity in colorectal cancer. CCK-8 assay was used to measure the cell viability of colorectal cancer cells. Quantitative real-time PCR and Western blot were performed to determine the mRNA and protein expression, respectively. Our data revealed that astragaloside IV administration significantly suppressed the cell growth of colorectal cancer cells, whereas no obvious cytotoxicity of astragaloside IV was observed in nonmalignant colonic cells...
October 27, 2016: Oncology Research
https://www.readbyqxmd.com/read/28279889/polysaccharide-from-angelica-sinensis-ameliorates-high-fat-diet-and-stz-induced-hepatic-oxidative-stress-and-inflammation-in-diabetic-mice-by-activating-the-sirt1-ampk-pathway
#19
Kaiping Wang, Zhuohong Tang, Jinglin Wang, Peng Cao, Qiang Li, Weizhi Shui, Hongjing Wang, Ziming Zheng, Yu Zhang
Polysaccharide from Angelica sinensis (Oliv.) Diels (ASP) possesses many bioactivities, such as hematopoiesis, anti-inflammation, antioxidation and metabolism regulation. The aim of this study was to investigate the mechanisms underlying the protection of a combination of high-fat diet and streptozotocin-induced liver damage in diabetic Balb/c mice by ASP. Results showed that ASP had beneficial effects on ameliorating hyperglycemia, dyslipidemia and liver injury. Moreover, mechanistic study for the liver-protective role in vivo demonstrated that ASP enhanced the activities of superoxide dismutase and glutathione peroxidase and increased the glutathione content, which resulted in the reduction of hepatic reactive oxygen species (ROS) and malondialdehyde, and reduced the protein expression levels of liver IKKα/NF-κB/p-IκBα and the concentrations of serum tumor necrosis factor-α/interleukin-6...
February 10, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28279053/-intra-articular-injections-of-hyaluronic-acid-for-anterior-disc-displacement-of-temporomandibular-joint
#20
X Long
Anterior disc displacement (ADD) of temporomandibular joint (TMJ) is regarded as one of the major findings in temporomandibular disorders (TMD). It is related to joint noise, pain, mandibular dysfunction, degenerative change and osteoarthritis. In the mean time, the pathological changes were found in synovial membrane and synovial fluid. Hyaluronic acid is a principal component of the synovial fluid which plays an important role in nutrition, lubrication, anti-inflammation and cartilage repair. The synthesis, molecule weight, and concentration of hyaluronic acid are decreased during TMD and cause TMJ degenerative changes...
March 9, 2017: Zhonghua Kou Qiang Yi Xue za Zhi, Zhonghua Kouqiang Yixue Zazhi, Chinese Journal of Stomatology
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