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Medical Science Monitor: International Medical Journal of Experimental and Clinical Research

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https://www.readbyqxmd.com/read/28441365/efficacy-and-safety-of-3-nasal-packing-materials-used-after-functional-endoscopic-sinus-surgery-for-chronic-rhinosinusitis-a-comparative-study-in-china
#1
Xi-Ling Zheng, Yu-Xiang Zhao, Min Xu
BACKGROUND This study aimed to investigate the efficacy and safety of 3 nasal packing products (silicone tube, Beschitin-F, and Aquacel1-Ag) after functional endoscopic sinus surgery (FESS) for chronic rhinosinusitis (CRS) patients in China. MATERIAL AND METHODS Sixty-six CRS patients undergoing FESS surgery were randomly divided into 3 groups (22 patients in each group): the silicone tube group, the Beschitin-F group, and the Aquacel1-Ag group. Postoperative headache, nasal pain, nasal bleeding, and swelling of the nasal mucosa were observed at 1 month after FESS surgery...
April 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28439064/immunotherapy-of-dual-function-vector-with-both-immunostimulatory-and-b-cell-lymphoma-2-bcl-2-silencing-effects-on-gastric-carcinoma
#2
Lanying Ma, Mei Han, Zumureti Keyoumu, Hua Wang, Saifuding Keyoumu
BACKGROUND Tumorigenesis is a kind of pathology marked by infinite proliferation and restrained apoptosis compared with normal cells. The abnormal expression of some proto-oncogenes and apoptosis inhibition are essential for tumor growth, which has been confirmed by molecular biologic and immunologic studies. The hypofunction of the host immune system also drives the development and metastasis of malignant tumors. Bcl-2, which has a critical role in regulating apoptosis, is overexpressed in several cancers...
April 25, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28437391/predictive-value-of-preoperative-neutrophil-lymphocyte-ratio-in-determining-the-stage-of-gastric-tumor
#3
Azad Gazi Sahin, Cengiz Aydin, Mutlu Unver, Kamil Pehlivanoglu
BACKGROUND Neutrophil-lymphocyte ratio (NLR) is an indicator of the inflammatory state, and its increase has been shown to be a negative prognostic factor for many malignancies. The aim of this study was to determine whether there was a relationship between NLR and tumor aggressiveness in gastric cancer patients and to investigate the prognostic significance of NLR. MATERIAL AND METHODS The medical records of 189 patients with gastric cancer between January 2009 and January 2014 were examined for the presence of metastasis, tumor staging, tumor differentiation grade, and preoperative NLR value...
April 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28435150/ym155-down-regulates-survivin-and-induces-p53-up-regulated-modulator-of-apoptosis-puma-dependent-in-oral-squamous-cell-carcinoma-cells
#4
Xiang Yan, Han Su
BACKGROUND YM155, which inhibits the anti-apoptotic protein survivin, is known to exert anti-tumor effects in various cancers. However, there were few reports describing the inhibitory effect of YM155 on human oral squamous cell carcinoma (OSCC) cells that highly express survivin. In this study, we investigated the anti-tumor effects of YM155 on OSCC cells and then examined its molecular mechanisms. MATERIAL AND METHODS SCC9 cells of OSCC were treated with series of concentrations of YM155 (0.01, 0.1, 1, and 10 ng/ml) for 6, 12, and 24 h...
April 24, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28434012/clinical-importance-of-somatostatin-receptor-2-sstr2-and-somatostatin-receptor-5-sstr5-expression-in-thyrotropin-producing-pituitary-adenoma-tshoma
#5
Benxia Yu, Zhongsheng Zhang, Hao Song, Yuchun Chi, Chunling Shi, Miao Xu
BACKGROUND Thyrotropin-secreting pituitary adenomas (TSHomas) are a rare cause of hyperthyroidism. Somatostatin analogs have proved to be effective for inhibiting pituitary hormones secretion, working via interactions with somatostatin receptors (SSTRs). Moreover, antiproliferative activity of somatostatin analog is now demonstrated in several studies. In the present study, we determined the relative predominance of SSTR2 and SSTR5 subtypes among the different types of adenomas, especially TSHoma, and investigated the relationship between efficacy of short-term octreotide (OCT) treatment and SSTR expression...
April 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28434010/dynamic-analysis-of-kidney-function-and-its-correlation-with-nutritional-indicators-in-a-large-sample-of-hospitalized-elderly-patients
#6
Li Qingping, Wei Ribao, Wang Yang, Su Tingyu, Yang Xi, Huang Mengjie, Miao Hui, Chen Xiangmei
BACKGROUND The aim of this study was to analyze changes in kidney function and its correlation with nutritional metabolism indicators in hospitalized elderly patients in a large medical center over the past 7 years. MATERIAL AND METHODS The renal function of patients over 60 years old in the Chinese PLA General Hospital in 2008, 2011, and 2014 were comparatively analyzed. The hemoglobin, serum albumin, triglycerides, cholesterol, uric acid, and urea nitrogen data were collected and used as the nutritional metabolism indicators...
April 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28432852/correlation-between-expression-of-high-temperature-requirement-serine-protease-a1-htra1-in-nucleus-pulposus-and-t2-value-of-magnetic-resonance-imaging
#7
Dapeng Li, Jiawei Yue, Lu Jiang, Yonghui Huang, Jifu Sun, Yan Wu
BACKGROUND Degrading enzymes play an important role in the process of disc degeneration. The objective of this study was to investigate the correlation between the expression of high temperature requirement serine protease A1 (HtrA1) in the nucleus pulposus and the T2 value of the nucleus pulposus region in magnetic resonance imaging (MRI). MATERIAL AND METHODS Thirty-six patients who had undergone surgical excision of the nucleus pulposus were examined by MRI before surgery. Pfirrmann grading of the target intervertebral disc was performed according to the sagittal T2-weighted imaging, and the T2 value of the target nucleus pulposus was measured according to the median sagittal T2 mapping...
April 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28432283/efficacy-and-safety-of-single-balloon-versus-double-balloon-enteroscopy-a-single-center-retrospective-analysis
#8
Zhanjun Lu, Yu Qi, Jianjun Weng, Lei Ma, Xinjian Wan, Rong Wan, Lungen Lu, Hang Zhao
BACKGROUND Single-balloon endoscopy (SBE) has been introduced as a simplified endoscopy technique after the promotion of double-balloon endoscopy (DBE). The difference in clinical performance between DBE and SBE is still not very clear. In this study, we aimed to compare the efficacy and safety between these 2 endoscopic procedures. MATERIAL AND METHODS A total of 173 patients with suspected small bowel disease were enrolled into this study from January 2007 to December 2011. All cases were divided into DBE or SBE groups according to the endoscopic procedures they underwent...
April 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28430763/protective-effect-of-pinitol-against-inflammatory-mediators-of-rheumatoid-arthritis-via-inhibition-of-protein-tyrosine-phosphatase-non-receptor-type-22-ptpn22
#9
Kewen Zheng, Zhixuan Zhao, Na Lin, Yiyan Wu, Ying Xu, Wanli Zhang
BACKGROUND The aim of the current study was to explore the anti-arthritic effect of pinitol via assessing its effect on various inflammatory mediators and its possible mechanism of action. MATERIAL AND METHODS We assessed the anti-arthritic effect of pinitol in a formaldehyde- and CFA-induced arthritic model in Wistar Swiss albino strain rats divided into 6 groups. The rats received different doses of pinitol and indomethacin for 28 days. The arthritic index and body weight were determined at regular intervals, together with hepatic, hematological, and antioxidant parameters...
April 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28428534/expression-of-acid-sensing-ion-channels-in-renal-tubular-epithelial-cells-and-their-role-in-patients-with-henoch-sch%C3%A3-nlein-purpura-nephritis
#10
Li-Ping Yuan, Yan Bo, Zhang Qin, Hua Ran, Wang Li, Yu-Fei Li, Gui Ming
BACKGROUND Acid-sensing ion channels (ASICs) are ligand-gated cation channels activated by extracellular protons. However, the role of ASICs in kidney diseases remains uncertain. This study investigated ASICs expression in kidney tissues and their role in the development of Henoch-Schönlein purpura nephritis (HSPN). MATERIAL AND METHODS The expression of ASIC subunits was examined by immunochemical techniques in the kidney tissue from HSPN patients. Acid-induced ASICs expression in cultured renal tubular epithelial cells was determined by quantitative RT-PCR analysis...
April 21, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28426638/decreased-central-nervous-system-grey-matter-volume-gmv-in-smokers-affects-cognitive-abilities-a-systematic-review
#11
Martina Vňuková, Radek Ptáček, Jiří Raboch, George B Stefano
Although cigarette smoking is a leading cause of preventable mortality, tobacco is consumed by approximately 22% of the adult population worldwide. Smoking is also a risk factor for cardiovascular disease, affects brain processing, and is a recognized risk factor for Alzheimer disease (AD). Tobacco toxins (e.g., nicotine at high levels) inhaled in smoke may cause disorders resulting in preclinical brain changes. Researchers suggest that there are differences in brain volume between smokers and non-smokers. This review examines these differences in brain grey matter volume (GMV)...
April 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28424452/parathyroid-hormone-activates-phospholipase-c-plc-independent-protein-kinase-c-signaling-pathway-via-protein-kinase-a-pka-dependent-mechanism-a-new-defined-signaling-route-would-induce-alternative-consideration-to-previous-conceptions
#12
Guojun Tong, Yue Meng, Song Hao, Shaoyu Hu, Youhua He, Wenjuan Yan, Dehong Yang
BACKGROUND Parathyroid hormone (PTH) is an effective anti-osteoporosis agent, after binding to its receptor PTHR1, several signaling pathways, including cAMP/protein kinase A (PKA) and phospholipase C (PLC)/protein kinase C (PKC), are initiated through G proteins; with the cAMP/PKA pathway as the major pathway. Earlier studies have reported that PTHR1 might also activate PKC via a PLC-independent mechanism, but this pathway remains unclear. MATERIAL AND METHODS In HEK293 cells, cAMP accumulation was measured with ELISA and PKC was measured with fluorescence resonance energy transfer (FRET) analysis using CKAR plasmid...
April 20, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28422936/phenotypic-characterization-of-adherent-cells-population-cd34-cd90-cd105-derived-from-wharton-s-jelly
#13
Irena Walecka, Paulina Gil-Kulik, Arkadiusz Krzyżanowski, Marcin Czop, Dariusz Galkowski, Jolanta Karwat, Piotr Chomik, Małgorzata Świstowska, Anna Kwaśniewska, Anna Bogucka-Kocka, Janusz Kocki
BACKGROUND Mesenchymal stromal cells, MSCs, show expression of specific antigens on their surface. The aim of the study is to assess the phenotype of stem cells like isolated from the umbilical cord with respect to the presence of surface antigens CD34, CD90, and CD105 and differences in the expression of surface antigens in cells isolated from freshly sampled material in comparison with the phenotype of cells from in vitro culture. MATERIAL AND METHODS Stem cells collected from the umbilical cord from healthy patients and then cultured in vitro...
April 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28422086/association-between-secretoglobin-family-3a-member-2-scgb3a2-gene-polymorphisms-and-asthma-in-a-korean-population
#14
Su Kang Kim, Hosik Seok, Hae Jeong Park, Kyuup Han, Sang Wook Kang, Ju Yeon Ban, Hee-Jae Jung, Kwan-Il Kim, Beom-Joon Lee, Jinju Kim, Joo-Ho Chung
BACKGROUND Secretoglobin family 3A member 2 (SCGB3A2) plays an important role in secreting lung surfactant protein, which is a downstream target of thyroid transcription factor. MATERIAL AND METHODS We investigated whether single-nucleotide polymorphisms (SNPs) of SCGB3A2 gene contribute to susceptibility to asthma. To explore this possible association, 2 promoter SNPs (rs6882292, 659 G/A and rs1368408, -112 G/A) and missense SNP (rs151333009, stop codon) were tested in SCGB3A2 gene in 101 asthma patients and 377 healthy control subjects...
April 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28420864/insulin-growth-factor-1-protects-neural-stem-cells-against-apoptosis-induced-by-hypoxia-through-akt-mitogen-activated-protein-kinase-extracellular-signal-regulated-kinase-akt-mapk-erk-pathway-in-hypoxia-ishchemic-encephalopathy
#15
Bing Zhao, Zebao Zheng
BACKGROUND Insulin growth factor 1 (IGF-1) is reported to modulate cell growth and acts as potential therapy for traumatic brain injury. This study was designed to investigate the effect of IGF-1 on hypoxia-induced apoptosis in neural stem cells (NSCs). MATERIAL AND METHODS A hypoxia model was constructed using NSCs separated from the hippocampus of rat. NSCs were divided into four groups: cells under normoxic conditions that acted as controls (C group), cells under hypoxia (H group), cells under hypoxia with IGF-1 (HI group), and cells under hypoxia with IGF-1 as well as picropodophyllin (PPP), which acts as an inhibitor of the IGF-1 receptor (HIP group)...
April 19, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28416776/clinical-value-of-mir-101-3p-and-biological-analysis-of-its-prospective-targets-in-breast-cancer-a-study-based-on-the-cancer-genome-atlas-tcga-and-bioinformatics
#16
Chun-Yao Li, Dan-Dan Xiong, Chun-Qin Huang, Rong-Quan He, Hai-Wei Liang, Deng-Hua Pan, Han-Lin Wang, Yi-Wen Wang, Hua-Wei Zhu, Gang Chen
BACKGROUND MiR-101-3p can promote apoptosis and inhibit proliferation, invasion, and metastasis in breast cancer (BC) cells. However, its mechanisms in BC are not fully understood. Therefore, a comprehensive analysis of the target genes, pathways, and networks of miR-101-3p in BC is necessary. MATERIAL AND METHODS The miR-101 profiles for 781 patients with BC from The Cancer Genome Atlas (TCGA) were analyzed. Gene expression profiling of GSE31397 with miR-101-3p transfected MCF-7 cells and scramble control cells was downloaded from Gene Expression Omnibus (GEO), and the differentially expressed genes (DEGs) were identified...
April 18, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28414709/robotic-surgery-fast-forward-to-telemedicine
#17
George B Stefano
Since the realization that certain maladies can be corrected via surgical techniques, we have been consumed by the desire to constantly advance the tools of surgery, as well as the techniques. In recent times, computer-assisted surgical tools have emerged and are growing in their use. The Puma 560 emerged in 1985 for brain biopsies and laparoscopic surgery. Prostatic surgery was performed by the Probot in 1988. In 1992, fittings in the femur were placed using the ROBODOC. These early robotic endeavors gave rise to AESOP, ZEUS and the relatively intuitive da Vinci® Surgical System...
April 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28413214/circulating-biomarkers-for-predicting-infliximab-response-in-rheumatoid-arthritis-a-systematic-bioinformatics-analysis
#18
Qiu-Lan Huang, Fu-Jiang Zhou, Cheng-Bin Wu, Chao Xu, Wen-Ying Qian, De-Ping Fan, Xu-Shan Cai
BACKGROUND Infliximab shows good efficacy in treating refractory rheumatoid arthritis (RA). However, many patients responded poorly and related studies were inconsistent in predictive biomarkers. This study aimed to identify circulating biomarkers for predicting infliximab response in RA. MATERIAL AND METHODS Public databases of Gene Expression Omnibus (GEO) and ArrayExpress were searched for related microarray datasets, focused on the response to infliximab in RA. All peripheral blood samples were collected before infliximab treatment and gene expression profiles were measured using microarray...
April 17, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28412762/sleep-deprivation-and-late-bedtime-impair-sperm-health-through-increasing-antisperm-antibody-production-a-prospective-study-of-981-healthy-men
#19
Mei-Mei Liu, Li Liu, Liang Chen, Xiao-Jing Yin, Hui Liu, Yan-Hua Zhang, Pei-Ling Li, Shan Wang, Xiao-Xiao Li, Cai-Hong Yu
BACKGROUND The aim of this study was to investigate the effects of sleep duration and bedtime on sperm health, and the possible mechanism involved. MATERIAL AND METHODS We randomly divided 981 healthy Chinese men into groups according to research-set bedtimes (A=8-10 PM, B=after 10 PM, and C=after midnight) and sleep durations: group 1=<6.0 h (short), group 2=7.0-8.0 h (average), and group 3=>9.0 h (long). Sperm morphology, count, survival, and motility were examined according to sleep patterns. Antisperm antibody (ASA) production in semen was determined...
April 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28412761/preoperative-assessment-of-hepatocellular-carcinoma-with-split-bolus-combined-phase-contrast-enhanced-computed-tomography
#20
Jian Jiang, Ke Wang, Yufeng Xu, Jianxin Liu, Jingjing Luo, Xin Tao, Xiaoying Wang
BACKGROUND The aim of this study was to investigate the feasibility of a split-bolus combined phase contrast-enhanced computed tomography protocol in evaluation of liver vasculature in hepatocellular carcinoma (HCC) patients for the purpose of surgery guidance. MATERIAL AND METHODS Two groups of patients were recruited for the study: 24 consecutive cases of HCC who underwent multiphasic CT examination, and 22 consecutive cases who afterwards underwent split-bolus combined phase CT examination. The multiphasic protocol included an unenhanced scan and 3 image acquisitions after contrast injection...
April 16, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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