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Experimental and Therapeutic Medicine

Qian Zhang, Ruiling Luan, Huixiang Li, Yanan Liu, Pan Liu, Liying Wang, Danna Li, Mengdi Wang, Qiang Zou, Hongwei Liu, Keiichi Matsuzaki, Feng Zhao
Ambuic acid is an organic acid isolated from the solid culture of Pestalotiopsis neglecta , which is an endophytic fungus that widely exists in many species of plants. Ambuic acid has been reported to exert antimicrobial activity against Gram-positive bacterium. The aim of the present study was to investigate the inhibitory effect of ambuic acid on lipopolysaccharide (LPS)-induced inflammation in RAW264.7 macrophages. The results demonstrated that ambuic acid significantly suppressed the overproduction of nitric oxide (NO) and prostaglandin E2 (PGE2 ) in a dose-dependent manner...
August 2018: Experimental and Therapeutic Medicine
Zhi-Hua Han, Fang Wang, Fu-Lei Wang, Qi Liu, Jian Zhou
Recent studies have reported that high glucose (HG) conditions may contribute to the acceleration of renal cell apoptosis and renal fibrosis by inducing epithelial-mesenchymal transition (EMT) of tubular epithelial cells, in which c-Src kinase and transforming growth factor (TGF)-β are key modulators. In the present study, the roles of c-Src kinase and TGF-β in EMT of lens epithelial cells (LECs) under HG conditions were investigated. Results indicated human lens epithelial B3 (HLE-B3) cells under HG conditions exhibited significantly increased protein expression levels of phosphorylated c-Src (p-Src418 ) (P<0...
August 2018: Experimental and Therapeutic Medicine
Peng-Fei Hu, Fang-Fang Sun, Li-Feng Jiang, Jia-Peng Bao, Li-Dong Wu
Paeoniflorin serves important cellular roles, exerting anti-cancer, anti-inflammatory and anti-pulmonary fibrosis effects and possesses immune-modulatory properties. However, the exact role of paeoniflorin in the pathogenesis of osteoarthritis (OA) remains unclear. The aim of the present study was to investigate the effects of paeoniflorin on articular surfaces in vitro . Rat chondrocytes were cultured in vitro and an MTT assay was performed to assess chondrocyte survival. Following treatment with interleukin (IL)-1β and paeoniflorin, the production of matrix metalloproteinases (MMPs) and tissue inhibitor of metalloproteinases-1 (TIMP-1) was examined using reverse transcription-quantitative polymerase chain reaction and western blotting...
August 2018: Experimental and Therapeutic Medicine
Ying Wan, Shuang-Shuang Sun, Hai-Yan Fu, Yin-Kun Xu, Qing Liu, Jiang-Tao Yin, Bing Wan
The aim of the present study was to investigate the effects of adjuvant rhubarb on the recovery of patients with heat stroke. A total of 85 patients with heat stroke were randomly assigned to two treatment groups: One group receiving conventional treatment for heat stroke (conventional group) and one group receiving rhubarb supplement in addition to conventional treatment (rhubarb group). Liver and kidney function parameters, Acute Physiology and Chronic Health Evaluation (APACHE) II scores, plasma interleukin-6 (IL-6), procalcitonin (PCT), C-reactive protein (CRP) levels and venous white blood cell count (WBC) were analyzed...
August 2018: Experimental and Therapeutic Medicine
Ghada Al-Kafaji, Abdulah Aljadaan, Amer Kamal, Moiz Bakhiet
The mitochondrial DNA copy number (mtDNA-CN) is a surrogate measure of mitochondrial function and altered mtDNA-CN reflects the oxidant-induced cell damage. A previous study by our group demonstrated that a reduction in the renal mtDNA-CN is implicated in the pathogenesis of diabetic nephropathy (DN), a leading cause of end-stage renal disease in diabetic patients. In the present study, it was investigated whether the mtDNA-CN in the peripheral blood may be utilized as a biomarker for DN in type 2 diabetes (T2D) patients...
August 2018: Experimental and Therapeutic Medicine
Mingshi Zhang, Jinrui Liu, Mingjun Li, Shihua Zhang, Yanmei Lu, Yanqiu Liang, Kai Zhao, Yingfu Li
Glioblastoma multiforme (GBM) is a malignant tumor caused by complex pathological mechanisms, and is characterized by a high rate of cancer-related mortality and poor patient prognosis. Overgrowth of cancer cells, which results from the inhibition of cell apoptosis and/or the promotion of cell proliferation, leads to the progression of GBM. Therefore, studies into the regulatory mechanisms of cancer cell growth in GBM are required to identify potential therapeutic targets and improve treatment for GBM. In the present study, the role of insulin-like growth factor 1 (IGF1)/IGF1 receptor (IGF1R) signaling in the survival of GBM cells was evaluated...
August 2018: Experimental and Therapeutic Medicine
Zi-Ru Li, Lei Yang, Jin Zhen, Yan Zhao, Zu-Neng Lu
Nobiletin (NOB) possesses multiple pharmacological effects, but its anti-apoptotic property has acquired a great deal of attention. Endoplasmic reticulum (ER) stress (ERS)-induced apoptosis acts as the pivotal aetiology in neuronal oxygen-glucose deprivation and reoxygenation (OGD/R) injury. The aim of this study focused on whether NOB exerts neuro-protective effects on OGD/R injury by repressing ERS-induced apoptosis. The PC12 neuronal cell line was subjected to 4 h OGD and 24 h reoxygenation following NOB treatment...
August 2018: Experimental and Therapeutic Medicine
Zhongjing Lin, Shouyue Huang, Ping Huang, Changwei Li, Zhenghua Chen, Yisheng Zhong
The present study aimed to assess the concordance of 24-h intraocular pressure (IOP) curves between glaucomatous and contralateral eyes for patients with untreated unilateral primary open-angle glaucoma (POAG). A total of 32 patients with unilateral POAG and 32 age-matched normal subjects were enrolled. The IOP measurements were performed every 2 h over a 24-h period. The concordance of the 24-h IOP curves was assessed via the correlation coefficient (r), intraclass correlation coefficient (ICC) and repeated-measures analysis of variance (ANOVA)...
August 2018: Experimental and Therapeutic Medicine
Xiaoyi Zhang, Ling Chen
Renal cell carcinoma (RCC) and chronic kidney disease (CKD) are associated with hypoxia, but the effects of hypoxia on the process of angiogenesis in the two diseases are dramatically different. Some of matrix metalloproteinases (MMPs), such as MMP2 and MMP9, may have a role because they represent the most prominent family of proteinases associated with angiogenesis. In the present study, the differential response of human renal cell cancer cells (786-0), human renal tubular epithelial cells (HK-2) and human microvascular endothelial cells (HMEC-1) to hypoxia with regards to the expression of MMP2, MMP9, MMP14, TIMP2, RECK was investigated...
August 2018: Experimental and Therapeutic Medicine
Jing Jing Liu, Li Meng
The 8p11 myeloproliferative syndrome (EMS), a rare myeloproliferative disease, generally progresses rapidly and is characterized by chromosomal translocations of the fibroblast growth factor receptor 1 (FGFR1) gene. The FGFR1 gene is located at chromosome 8p11 and may fuse with distinct partner genes. The breakpoint cluster region gene located at chromosome 22 is one of these partner genes. The patients' clinical phenotype is primarily dependant on the partner gene that translocates with FGFR1. Of all the available examinations, determination of the chromosome karyotype is most essential for the diagnosis of EMS...
August 2018: Experimental and Therapeutic Medicine
Si-Xi Liu, Hai-Rong Xiao, Guo-Bing Wang, Xiao-Wen Chen, Chang-Gang Li, Hui-Rong Mai, Xiu-Li Yuan, Guo-Sheng Liu, Fei-Qiu Wen
The current study aimed to investigate the changes and regulatory mechanism of cluster of differentiation (CD)4+ CD25high forkhead box protein 3 (Foxp3+ ) regulatory T cells (Tregs) in childhood B-cell acute lymphocytic leukemia (B-ALL). A total of 18 children with B-ALL and 15 age-matched healthy children were included. Reverse-transcription quantitative polymerase chain reaction was used to evaluate the mRNA levels of Foxp3, cytotoxic T-lymphocyte associated protein 4 (CTLA4), glucocorticoid-induced tumor necrosis factor receptor (GITR), lymphocyte activation gene 3 (LAG3), interleukin (IL)-2 receptor (R)β/γ, IL-6Rα/β, mothers against decapentaplegic homolog (Smad)3/4 and runt-related transcription factor (RUNX)1/3 in CD4-positive cells...
August 2018: Experimental and Therapeutic Medicine
Zhiyong Yi, Zhipan Yi, Kai Huang, Yanqun Cao, Chuli Xiao, Yanwei Li, Quzhe Lu, Shuang Zhao, Wenqi Luo, Guanlan Liu
The aim of the present study was to investigate the effect of propofol on immunoglobulin (Ig)E-activated mast cell degranulation and explore the underlying mechanisms responsible. RBL-2H3 cells were treated with propofol for at a variety of concentrations and different amounts of time. Cell viability was assessed using an MTT assay and microRNA (miR)-221 expression was quantified using reverse transcription-quantitative polymerase chain reaction. RBL-2H3 cells were transfected with miR-221 mimic or a negative control and degranulation, including the release of β-hexosaminidase and histamine, was evaluated using an ELISA kit...
August 2018: Experimental and Therapeutic Medicine
Yongmei Ma, Xiaoqiang Fei
Impaired insulin secretion and insulin resistance are the primary characteristics of type 2 diabetes (T2D). However, the mechanisms underlying insulin secretion failure have yet to be elucidated. The present study demonstrated that sirtuin 5 (SIRT5) is upregulated in patients with T2D and in pancreatic β-cell lines. It was also revealed that elevated SIRT5 expression is positively associated with age and blood glucose levels, and negatively associated with pancreatic and duodenal homeobox 1 (PDX1) expression...
August 2018: Experimental and Therapeutic Medicine
Chengfang Xu, Zhenyan Han, Ping Li, Xuejiao Li
Gestational diabetes mellitus (GDM) is a metabolic disease with symptoms of hyperglycemia, insulin resistance and fetal maldevelopment. Evidence has indicated that fibroblast growth factor (FGF)-21 is a multifunctional protein and exhibits potential therapeutic value for metabolic diseases. The present study investigated the diagnostic value of FGF-21 serum levels in patients with GDM (n=50) and age-matched healthy individuals (n=50). It was demonstrated that the gene and protein expression levels of FGF-21 were downregulated in adipose cells in patients with GDM compared with those in healthy individuals...
August 2018: Experimental and Therapeutic Medicine
Wen Shao, Feng Xiao, Zhong-Xin Xu, Rui-Han Ren, Yong Wang, Yi-Qun Wu
Periodontic-endodontic combined lesions affect the quality of life of patients. The present study aimed to explore a way to achieve maximal effect in treating periodontic-endodontic combined lesions by using a combination of minocycline hydrochloride ointment (MHO) and mineral trioxide aggregate (MTA). In the present study, 294 patients were randomly divided into four groups: Control group, MHO group, MTA group and combination group. Endodontic and periodontic therapy was applied simultaneously on the anterior and posterior teeth of patients, and patient characteristics, gingival index (GI) and probing depth (PD) were noted when the patients were treated with the different strategies...
August 2018: Experimental and Therapeutic Medicine
Yesheng Li, Yi Chen, Xinji Zhang, Li Geng, Binghua Dai, Xin Lv, Ping Zhang, Honghai Li, Jiamei Yang, Yangqing Huang, Feng Xu
Liver ischemia-reperfusion injury is an important clinical complication in which excessive inflammation is a key factor; however, few studies have provided effective means of its regulation. As previous studies suggested that electro-acupuncture (EA) is able control excessive inflammation, the present study aimed to explore its effects on liver ischemia-reperfusion injury in experimental rats. The animals were randomly divided into surgery and sham groups, which were further divided into four sub-groups, including a non-treatment (NT), a non-point acupuncture (NPA), the non-selective nicotinic acetylcholine receptor (AChR) agonist 1,1-dimethyl-4-phenyl L-pioperazinium iodide (DMPPI) and an EA group...
August 2018: Experimental and Therapeutic Medicine
Qiang Zuo, Feng Gao, Huanghe Song, Jinchun Zhou
The aim of the present study is to investigate the clinical value of Ilizarov transverse tibial bone transport and microcirculation reconstruction in the treatment of chronic ischemic diseases in lower limbs. A total of 90 patients with chronic ischemic diseases in lower limbs were selected and randomly divided into two groups: The observation group (n=45) and the control group (n=45). Those patients were treated with Ilizarov transverse tibial bone transport and microcirculation reconstruction, and percutaneous balloon angioplasty (PTBA), respectively...
August 2018: Experimental and Therapeutic Medicine
Lili Jia, Liang Wang, Wenxue Liu, Guanglei Qian, Xiufang Jiang, Zhimian Zhang
The present study intended to investigate the effect of fluvastatin on cardiomyocyte apoptosis after myocardial infarction in rats. Eighty myocardial infarction rat models were established and randomly divided into 4 groups (n=20): experimental group (n=20) was given fluvastatin treatment; sham operation group (n=20) and normal control group (n=20) were given saline. The dose of fluvastatin was 20 mg/(kg·d), and irrigation gavage was given for 1 week. Western blot analysis and reverse transcription-quantitative PCR (RT-qPCR) were used to detect the expression of TLR4 mRNA and protein in cardiomyocytes...
August 2018: Experimental and Therapeutic Medicine
Sun-Young Lee, Sery Lim, Dong-Hyu Cho
A 16-year-old female with Ewing sarcoma, a very rare disease with poor prognosis in women, was admitted to the hospital with abdominal pain. Diagnostic laparotomy revealed the Ewing sarcoma originating from the extramural uterus. Histological examination yielded positive test results for CD99, vimentin, S-100, eosin 5-maleimide and periodic acid-Shiff. EWS-FLI1 type 1 translocation was confirmed. Fibroblast growth factor receptor (FGFR) 4 (c.1162G> A) and HRas proto-oncogene (HRAS; c.182A> G) mutations were also detected...
August 2018: Experimental and Therapeutic Medicine
Xiaozuo Zheng, Wei Xu, Juyuan Gu, Yang Hu, Meijuan Cui, Yu-E Feng, Shijun Gao
Preconditioning of the grafts prior to implantation into the knee is considered to reduce the loss of tension caused by graft viscoelasticity after anterior cruciate ligament reconstruction. The present study analyzed the impacts of different preconditioning forces on the biomechanical properties of the γ-irradiated deep frozen tendon allografts. A total of 36 tendon grafts were randomly divided into three groups and were preconditioned at 80 N (group 1), 160 N (group 2) and 320 N (group 3) for 10 min. Subsequently, the grafts were gradually completely relaxed for 1 min and subsequently received 25 cyclic loads of 0-80 N...
August 2018: Experimental and Therapeutic Medicine
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