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Medical Science Monitor Basic Research

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https://www.readbyqxmd.com/read/28522796/effects-of-%C3%AE-adrenoceptor-and-catechol-o-methyl-transferase-comt-polymorphism-on-postoperative-outcome-in-cardiac-surgery-patients
#1
Stefan Dhein, Pascal M Dohmen, Matthias Sauer, Julia Tews, Johannes Weickmann, Anne-Kathrin Funkat, Martin Misfeld, Michael A Borger, Friedrich W Mohr
BACKGROUND There is a long-standing debate about the role of beta-adrenoceptor polymorphisms in the cardiovascular system. We wanted to elucidate whether β1-adrenoceptor-polymorphisms affects the postoperative catecholamine consumption and the length of intermediate care unit stay in patients undergoing cardiac surgery, and whether this might be enhanced or attenuated by catechol-O-methyl-transferase (COMT) polymorphism. MATERIAL AND METHODS We included 116 patients (63±1.2 years; 34% females; 81±1 kg) undergoing cardiac surgery...
May 19, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28496093/prediction-of-new-onset-and-recurrent-atrial-fibrillation-by-complete-blood-count-tests-a-comprehensive-systematic-review-with-meta-analysis
#2
Alexander Weymann, Sadeq Ali-Hasan-Al-Saegh, Anton Sabashnikov, Aron-Frederik Popov, Seyed Jalil Mirhosseini, Tong Liu, Mohammadreza Lotfaliani, Michel Pompeu Barros de Oliveira Sá, William L L Baker, Senol Yavuz, Mohamed Zeriouh, Jae-Sik Jang, Hamidreza Dehghan, Lei Meng, Luca Testa, Fabrizio D'Ascenzo, Umberto Benedetto, Gary Tse, Luis Nombela-Franco, Pascal M Dohmen, Abhishek J Deshmukh, Cecilia Linde, Giuseppe Biondi-Zoccai, Gregg W Stone, Hugh Calkins, Integrated Meta-Analysis Of Cardiac Surgery And Cardiology-Group Imcsc-Group
BACKGROUND Atrial fibrillation (AF) is one of the most critical and frequent arrhythmias precipitating morbidities and mortalities. The complete blood count (CBC) test is an important blood test in clinical practice and is routinely used in the workup of cardiovascular diseases. This systematic review with meta-analysis aimed to determine the strength of evidence for evaluating the association of hematological parameters in the CBC test with new-onset and recurrent AF. MATERIAL AND METHODS We conducted a meta-analysis of observational studies evaluating hematologic parameters in patients with new-onset AF and recurrent AF...
May 12, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28473687/poor-physical-performance-is-associated-with-obesity-among-university-students-in-china
#3
Tianhua Du, Ergang Zhu, Suhua Jiao
BACKGROUND The aim of this study was to explore the relationship between physical performance and BMI (body mass index) of university students in China. MATERIAL AND METHODS We conducted a cross-sectional study evaluating the physical performance and BMI of university students. BMI was calculated based on height and weight. Overweight and obesity were defined by the Working Group on Obesity references in China. RESULTS A total of 2313 participants (978 males and 1335 females) were recruited in our study. The mean value of the 50-meter dash and standing long jump in male students was higher than in female students (P<0...
May 5, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28450696/alginate-particles-with-ovalbumin-ova-peptide-can-serve-as-a-carrier-and-adjuvant-for-immune-therapy-in-b16-ova-cancer-model
#4
Longbao Zhu, Fei Ge, Liangjun Yang, Wanzhen Li, Shenghua Wei, Yugui Tao, Guocheng Du
BACKGROUND Alginate is a natural polysaccharide obtained from brown algae and has been shown to have numerous applications in biomedical science, such as wound healing, delivery of bioactive agents, and cell transplantation. Ovalbumin (OVA) peptide 323-339 has been reported to be involved in immune response.  MATERIAL AND METHODS This work investigated the use of alginate particles as a carrier and adjuvant for the immune therapy of cancer. Alginate particles loaded with OVA peptide were produced via emulsion...
April 28, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28428533/protective-effect-of-tempol-against-hypoxia-induced-oxidative-stress-and-apoptosis-in-h9c2-cells
#5
Linlin Jing, Qian Li, Lei He, Wei Sun, Zhengping Jia, Huiping Ma
Background Material and Methods Results Conclusions.
April 21, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28408733/high-performance-liquid-chromatography-hplc-quantification-of-liposome-delivered-doxorubicin-in-arthritic-joints-of-collagen-induced-arthritis-rats
#6
Hongqing Niu, Menghua Xu, Shuangtian Li, Junwei Chen, Jing Luo, Xiangcong Zhao, Chong Gao, Xiaofeng Li
BACKGROUND Neoangiogenesis occurring in inflamed articular synovium in early rheumatoid arthritis (RA) is characterized by enhanced vascular permeability that allows nanoparticle agents, including liposomes, to deliver encapsulated drugs to arthritic joints and subsequently improve therapeutic efficacy and reduce adverse effects. However, the targeting distribution of liposomes in arthritic joints during RA has not been quantitatively demonstrated. We performed this study to evaluate the targeting distribution of PEGylated doxorubicin liposomes in the arthritic joints of collagen-induced arthritis (CIA) rats by high-performance liquid chromatography (HPLC)...
April 14, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28386055/tnf-alpha-promotes-invasion-and-metastasis-via-nf-kappa-b-pathway-in-oral-squamous-cell-carcinoma
#7
Daofang Tang, Detao Tao, Yuan Fang, Chao Deng, Qing Xu, Jingping Zhou
BACKGROUND Recent evidence reveals that the inflammatory microenvironment is associated with tumor migration, invasion, and metastasis. Tumor necrosis factor-α (TNF-α) play a vital role in regulation of the inflammatory process in tumor development. Nuclear factor-kappa B (NF-κB) is one of the key transcription factors which regulate processes in tumor promotion. The aim of this study was to explore the role of NF-κB on the invasion and migration of oral squamous cell carcinoma (OSCC). MATERIAL AND METHODS The IKKβ and p65 mRNA and protein levels were determined by quantitative RT-PCR and western blot...
April 7, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28360407/predictive-role-of-coagulation-fibrinolytic-and-endothelial-markers-in-patients-with-atrial-fibrillation-stroke-and-thromboembolism-a-meta-analysis-meta-regression-and-systematic-review
#8
Alexander Weymann, Anton Sabashnikov, Sadeq Ali-Hasan-Al-Saegh, Aron-Frederik Popov, Seyed Jalil Mirhosseini, William L Baker, Mohammadreza Lotfaliani, Tong Liu, Hamidreza Dehghan, Senol Yavuz, Michel Pompeu Barros de Oliveira Sá, Jae-Sik Jang, Mohamed Zeriouh, Lei Meng, Fabrizio D'Ascenzo, Abhishek J Deshmukh, Guiseppe Biondi-Zoccai, Pascal M Dohmen, Hugh Calkins, Integrated Meta-Analysis Of Cardiac Cardiac Surgery And Cardiology-Group Imcsc-Group
BACKGROUND The pathophysiological mechanism associated with the higher prothrombotic tendency in atrial fibrillation (AF) is complex and multifactorial. However, the role of prothrombotic markers in AF remains inconclusive. MATERIAL AND METHODS We conducted a meta-analysis of observational studies evaluating the association of coagulation activation, fibrinolytic, and endothelial function with occurrence of AF and clinical adverse events. A comprehensive subgroup analysis and meta-regression was performed to explore potential sources of heterogeneity...
March 31, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28336906/identification-and-evaluation-of-new-immunoregulatory-genes-in-mesenchymal-stromal-cells-of-different-origins-comparison-of-normal-and-inflammatory-conditions
#9
Mohammad Fayyad-Kazan, Mehdi Najar, Hussein Fayyad-Kazan, Gordana Raicevic, Laurence Lagneaux
BACKGROUND Mesenchymal stromal cells (MSCs) possess potent immunomodulatory properties that increase their value as a cell-based therapeutic tool for managing various immune-based disorders. Over the past years, accumulated results from trials using MSCs-based therapy have shown substantial contradictions. Although the reasons underlying these discrepancies are still not completely understood, it is well known that the immunomodulatory activities mediated by distinct MSCs differ in a manner dependent on their tissue origin and adequate response to inflammation priming...
March 24, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28302997/platelets-cellular-and-functional-characteristics-in-patients-with-atrial-fibrillation-a-comprehensive-meta-analysis-and-systematic-review
#10
Alexander Weymann, Sadeq Ali-Hasan-Al-Saegh, Anton Sabashnikov, Aron-Frederik Popov, Seyed Jalil Mirhosseini, Luis Nombela-Franco, Luca Testa, Mohammadreza Lotfaliani, Mohamed Zeriouh, Tong Liu, Hamidreza Dehghan, Senol Yavuz, Michel Pompeu Barros de Oliveira Sá, William L Baker, Jae-Sik Jang, Mengqi Gong, Umberto Benedetto, Pascal M Dohmen, Fabrizio D'Ascenzo, Abhishek J Deshmukh, Giuseppe Biondi-Zoccai, Hugh Calkins, Gregg W Stone, Integrated Meta-Analysis Of Cardiac Surgery And Cardiology-Group Imcsc-Group
BACKGROUND This systematic review with meta-analysis aimed to determine the strength of evidence for evaluating the association of platelet cellular and functional characteristics including platelet count (PC), MPV, platelet distribution width (PDW), platelet factor 4, beta thromboglobulin (BTG), and p-selectin with the occurrence of atrial fibrillation (AF) and consequent stroke. MATERIAL AND METHODS We conducted a meta-analysis of observational studies evaluating platelet characteristics in patients with paroxysmal, persistent and permanent atrial fibrillations...
March 17, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28280257/intermediate-conductance-ca2-activated-k-channel-ikca1-is-upregulated-and-promotes-cell-proliferation-in-cervical-cancer
#11
Ling Liu, Ping Zhan, Dan Nie, Lingye Fan, Hairui Lin, Lanyang Gao, Xiguang Mao
BACKGROUND Accumulating data point to intermediate-conductance calcium-activated potassium channel (IKCa1) as a key player in controlling cell cycle progression and proliferation of human cancer cells. However, the role that IKCa1 plays in the growth of human cervical cancer cells is largely unexplored. MATERIAL AND METHODS In this study, Western blot analysis, immunohistochemical staining, and RT-PCR were first used for IKCa1protein and gene expression assays in cervical cancer tissues and HeLa cells. Then, IKCa1 channel blocker and siRNA were employed to inhibit the functionality of IKCa1 and downregulate gene expression in HeLa cells, respectively...
March 10, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28242866/cross-over-study-comparing-postprandial-glycemic-increase-after-addition-of-a-fixed-dose-mitiglinide-voglibose-combination-or-a-dipeptidyl-peptidase-4-inhibitor-to-basal-insulin-therapy-in-patients-with-type-2-diabetes-mellitus
#12
Noriko Ihana-Sugiyama, Ritsuko Yamamoto-Honda, Takehiro Sugiyama, Tetsuro Tsujimoto, Masafumi Kakei, Mitsuhiko Noda
BACKGROUND Although the efficacy of combination therapy consisting of basal insulin and oral hypoglycemic agents (OHAs) has been shown, which OHAs are the most efficient remains unclear. MATERIAL AND METHODS Five patients with type 2 diabetes were enrolled and treated with insulin degludec and metformin as a basal therapy. The patients were randomized in a cross-over fashion to receive a combination of mitiglinide (10 mg) and voglibose (0.2 mg) (M+V) 3 times daily or linagliptin (5 mg) (L) once daily for 8 weeks...
February 28, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28223681/effect-of-smoking-on-cognitive-functioning-in-young-saudi-adults
#13
Shahid Bashir, Faisal Alghamd, Ahmed Alhussien, Meshal Alohali, Abdullah Alatawi, Tariq Almusned, Syed Shahid Habib
BACKGROUND Smoking is the predominant form of tobacco consumption and is growing worldwide, particularly in the younger generation in the Middle-East. We aimed to determine the effects of tobacco smoking on cognitive functions among young Saudi adults. MATERIAL AND METHODS We recruited a group of cigarette smokers (N=22) and a group of controls (non-smokers) (N=30) from apparently healthy male volunteers aged 18-29 years. Cognitive function was assessed by using the Cambridge Neuropsychological Automated Battery (CANTAB)...
February 22, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28179618/increased-cortisol-and-cortisone-levels-in-overweight-children
#14
Lanling Chu, Kangwei Shen, Ping Liu, Kan Ye, Yu Wang, Chen Li, Xuejun Kang, Yuan Song
BACKGROUND It has been unclear whether relatively high cortisol and cortisone levels are related to overweight in childhood, parental body mass index (BMI), and family dietary habits. The aim of this study was to compare cortisol and cortisone levels in urine and saliva from overweight and normal children, as well as correlations between children's BMI, parental BMI and family dietary behavior questionnaire score (QS). MATERIAL AND METHODS We analyzed the data from 52 overweight children and 53 age- and sex-matched normal-weight children aged 4-5 years...
February 9, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28138124/comparative-analysis-of-renin-angiotensin-system-ras-related-gene-expression-between-hypertensive-and-normotensive-rats
#15
Chad R Williamson, Sandhya Khurana, Phong Nguyen, Collin J Byrne, T C Tai
BACKGROUND The renal renin-angiotensin system (RAS) is physiologically important for blood pressure regulation. Altered regulation of RAS-related genes has been observed in an animal model of hypertension (spontaneously hypertensive rats - SHRs). The current understanding of certain RAS-related gene expression differences between Wistar-Kyoto rats (WKYs) and SHRs is either limited or has not been compared. The purpose of this study was to compare the regulation of key RAS-related genes in the kidneys of adult WKYs and SHRs...
January 31, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28123171/m3-macrophages-stop-division-of-tumor-cells-in-vitro-and-extend-survival-of-mice-with-ehrlich-ascites-carcinoma
#16
Sergey Kalish, Svetlana Lyamina, Eugenia Manukhina, Yuri Malyshev, Anastasiya Raetskaya, Igor Malyshev
BACKGROUND M1 macrophages target tumor cells. However, many tumors produce anti-inflammatory cytokines, which reprogram the anti-tumor M1 macrophages into the pro-tumor M2 macrophages. We have hypothesized that the problem of pro-tumor macrophage reprogramming could be solved by using a special M3 switch phenotype. The M3 macrophages, in contrast to the M1 macrophages, should respond to anti-inflammatory cytokines by increasing production of pro-inflammatory cytokines to retain its anti-tumor properties. Objectives of the study were to form an M3 switch phenotype in vitro and to evaluate the effect of M3 macrophages on growth of Ehrlich ascites carcinoma (EAC) in vitro and in vivo...
January 26, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28077838/low-grade-metabolically-induced-inflammation-mediators-interleukin-6-adiponectin-and-tnf-%C3%AE-serum-levels-in-obese-pregnant-patients-in-the-perinatal-period
#17
Malgorzata Zembala-Szczerba, Andrzej Jaworowski, Hubert Huras, Dorota Babczyk, Robert Jach
BACKGROUND Obesity is a major clinical problem. The number of obese pregnant women is rising rapidly. The consequences of obesity are significant and affect every aspect of perinatal care for both the mother and the developing fetus. Adipose tissue may be responsible for chronic subclinical inflammation in obesity, being a source of inflammatory mediators. The study was designed to evaluate the analysis of the serum concentration of inflammatory mediators, including interleukin-6 (IL-6), tumor necrosis factor alpha (TNF-α), and adiponectin, in obese pregnant women at full-term pregnancies...
January 12, 2017: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/28033308/effects-of-polysaccharide-of-gastrodia-elata-blume-and-electro-acupuncture-on-expressions-of-brain-derived-neurotrophic-factor-and-stem-cell-factor-protein-in-caudate-putamen-of-focal-cerebral-ischemia-rats
#18
Huai-Bin Li, Feng Wu, Hua-Chun Miao, Ke-Ren Xiong
BACKGROUND The aim of this study was to explore the neural protective effect of polysaccharide of Gastrodia elata Blume (PGB) and electro-acupuncture (EA) on focal cerebral ischemia rats. MATERIAL AND METHODS A total of 40 Sprague-Dawley rats were randomly divided into 5 groups (normal group, model group, PGB group, EA group and PGB+EA group). The model was prepared by middle cerebral artery occlusion (MCAO). Two week after modeling, rats were given PGB, EA, or a combination of the 2 in continuous treatment for 2 successive weeks...
December 23, 2016: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/27980322/sirtuin1-sirt1-regulates-tumor-necrosis-factor-alpha-tnf-%C3%AE-induced-aquaporin-2-aqp2-expression-in-renal-medullary-collecting-duct-cells-through-inhibiting-the-nf-%C3%AE%C2%BAb-pathway
#19
Qinqin Lin, Yuanwen Geng, Shuaishuai Lin, Zhenjun Tian
BACKGROUND Aquaporin-2 (AQP2) plays a major role in water reabsorption in the renal collecting duct, and is involved in a variety of renal disease. Recent studies have indicate that sirtuin1 (SIRT1) exerts renoprotective properties against kidney diseases. This study aimed to determine the potential role of SIRT1 in AQP2 expression induced by tumor necrosis factor-alpha (TNF-α) and to disclose the underlying mechanism in renal inner medullary collecting duct (IMCD) cells. MATERIAL AND METHODS Quantitative real-time PCR and Western blotting were respectively identified mRNA and protein expression...
December 16, 2016: Medical Science Monitor Basic Research
https://www.readbyqxmd.com/read/27932777/phototoxicity-of-liposomal-zn-and-al-phthalocyanine-against-cervical-and-oral-squamous-cell-carcinoma-cells-in-vitro
#20
Jason Young, Michael Yee, Hayoung Kim, Jennifer Cheung, Takahiro Chino, Nejat Düzgüneş, Krystyna Konopka
Background Material and Methods Results Conclusions.
December 9, 2016: Medical Science Monitor Basic Research
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