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Medical Science Monitor Basic Research

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https://read.qxmd.com/read/30773530/mir-193a-3p-promotes-radio-resistance-of-nasopharyngeal-cancer-cells-by-targeting-srsf2-gene-and-hypoxia-signaling-pathway
#1
Lingsuo Kong, Qing Wei, Xianwen Hu, Lanren Chen, Juan Li
BACKGROUND Radio-resistance is an important barrier in nasopharyngeal carcinoma treatment. MicroRNAs are gene expression core regulators in various biological procedures containing cancer radio-resistance. Nevertheless, the clinical association between nasopharyngeal carcinoma and miR-193a-3p/SRSF2 remains unclear. MATERIAL AND METHODS We examined the miR-193a-3p level in radio-sensitive CNE-2 and radio-resistant CNE-1 NPC cell lines, and, based on a literature review, predicted SRSF2 to be the target gene of miR-193a-3p...
February 18, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30739907/escherichia-coli-outer-membrane-vesicles-induced-dna-double-strand-breaks-in-intestinal-epithelial-caco-2-cells
#2
Zhou Ling, Chen Dayong, Yu Denggao, Wang Yiting, Fang Liaoqiong, Wang Zhibiao
BACKGROUND Recent studies have shown that Escherichia coli induced digestive tract diseases may be related to outer membrane vesicles (OMVs) induced intestinal double-strand breaks (DSBs) in intestinal epithelial cells. This study aimed to compare the impact of OMVs forces on DSBs in intestinal epithelial Caco-2 cells, and provide a new treatment for digestive diseases caused by E. coli. MATERIAL AND METHODS E.coli OMVs were prepared and co-cultured with Caco-2 cells. The uptake of OMVs by Caco-2 cells was observed by confocal microscopy...
February 11, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30713336/autophagy-and-oncosis-necroptosis-are-enhanced-in-cardiomyocytes-from-heart-failure-patients
#3
Giovanni Corsetti, Carol Chen-Scarabelli, Claudia Romano, Evasio Pasini, Francesco S Dioguardi, Francesco Onorati, Richard Knight, Hemang Patel, Louis Saravolatz, Giuseppe Faggian, Tiziano M Scarabelli
BACKGROUND Although originally described as a survival mechanism, it is unknown whether and to what extent autophagy is implicated in the terminal stages of heart failure. Here, we studied magnitude and evolution of autophagy in patients with intractable heart failure. MATERIAL AND METHODS Myocardial samples were obtained from 22 patients with ischemic cardiomyopathy and idiopathic dilated cardiomyopathy who were undergoing cardiac transplantation. Hearts from 11 patients who died from non-cardiac causes were used as control samples...
February 4, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30700692/effects-of-electroacupuncture-on-expression-of-d1-receptor-d1r-phosphorylation-of-extracellular-regulated-protein-kinase-1-2-p-erk1-2-and-c-fos-in-the-insular-cortex-of-ketamine-addicted-rats
#4
Feng Wu, Jian Ding, Huai-Bin Li, Hua-Chun Miao, Rui Bao, Shan Yang
BACKGROUND The aim of this study was to investigate the effects of electroacupuncture (EA) on expression of the D1 receptor (D1R), phosphorylation of extracellular-regulated protein kinase 1/2 (p-ERK1/2) and c-Fos in the insular cortex (IC) of ketamine-addicted rats. MATERIAL AND METHODS Sprague-Dawley rats were randomly divided into 7 groups: the normal group, the normal saline (NS) group, the ketamine (Ket) group, the U0126+Ket group, the SCH23390+Ket group, the Ket+acupoints EA (EA1) group, and the Ket+ non-acupoints EA (EA2) group...
January 31, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30662060/g-protein-coupled-receptor-5-lgr5-overexpression-activates-%C3%AE-catenin-signaling-in-breast-cancer-cells-via-protein-kinase-a
#5
Zhishui Chen, Chengjun Xue
BACKGROUND Targeting cancer stem cells (CSCs) in breast cancer (BrCa) may improve treatment outcome and patient prognosis. Leucine-rich repeat-containing G-protein-coupled receptor 5 (LGR5) is a well-recognized adult stem cell and CRC marker, and previous reports have suggested the cancer-promoting role of LGR5 in breast cancer, but the mechanism remains unclear. MATERIAL AND METHODS Potential LGR5-associating genes were explored using STRING database, and LGR5 overexpression and knockdown was constructed in MCF-7 and MDA-MB-453 human BrCa cells, respectively...
January 21, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30631032/augmentation-of-whole-body-metabolic-status-by-mind-body-training-synchronous-integration-of-tissue-and-organ-specific-mitochondrial-function
#6
George B Stefano, Tobias Esch, Richard M Kream
The objective of our concise review is to elaborate an evidence-based integrative medicine model that incorporates functional linkages of key aspects of cortically-driven mind-body training procedures to biochemical and molecular processes driving enhanced cellular bioenergetics and whole-body metabolic advantage. This entails the adoption of a unified biological systems approach to selectively elucidate basic biochemical and molecular events responsible for achieving physiological relaxation of complex cellular structures...
January 11, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30598520/need-for-intervention-services-for-promotion-of-condom-use-by-female-sex-workers-to-consider-size-of-entertainment-venues-a-cross-sectional-study
#7
Baifeng Chen, Jian Chen, Yinbao Shao, Daibao Hu, Xinping Ding, Yufeng Wen
BACKGROUND Consistent condom use among female sex workers (FSWs) is a key intervention in China's AIDS Control Program. Female sex workers (FSWs) in China are at increased risk for acquiring HIV/AIDS because of low knowledge about HIV transmission and inconsistent use of condoms, the grade of venues may play a role in HIV/AIDS-related knowledge and consistent condom use of female sex workers. MATERIAL AND METHODS A cross-sectional study was conducted among 802 FSWs in 2016 in Fuyang, China. A self-administered questionnaire was used to assess whether there is a need of different intervention services promotion of consistent condom use among FSWs in different-grade entertainment venues...
January 1, 2019: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30581188/retrospective-analysis-of-9-cases-of-primary-pulmonary-mucosa-associated-lymphoid-tissue-lymphoma-and-literature-review
#8
Chuan Du, Jianquan Zhang, Yan Wei, Jing Bai, Min Chao Duan, GuangNan Liu, Zhiyi He, Jingmin Deng
BACKGROUND Primary pulmonary mucosa-associated lymphoma tissue lymphoma is rare and is often misdiagnosed because of its diverse and nonspecific clinical features. The aim of this study was to raise awareness among clinicians and to share our experience of treating and managing such patients. MATERIAL AND METHODS This retrospective study was conducted between 1 January 2009 and 31 October 2017 at the First Affiliated Hospital of Guangxi Medical University. All cases were confirmed via pathology and immunohistochemistry...
December 24, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30568158/retracted-mir-144-potentially-suppresses-proliferation-and-migration-of-ovarian-cancer-cells-by-targeting-runx1
#9
Shichao Han, Jinming Zhu, Yilei Zhang
This article is being retracted by request of the author, who mistakenly submitted and processed the publication in the wrong journal.
December 20, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30555153/interrelationship-between-markers-of-oxidative-stress-inflammation-and-hematological-parameters-among-preeclamptic-nigerian-women
#10
Oloruntoba Ayodele Ekun, Nkeiruka Ogochukwu Ogidi, Rukayat Adetutu Lawal, Olumuyiwa Adeniran Ogunmuyiwa, Mirian Chiamaka Umewune, Florence Oreitan Adefolaju, Mary Foluke Oshundun, Ayoola Islamiyat Oremosu
BACKGROUND Preeclampsia is a multifaceted pregnancy-related disorder affecting women and fetuses. A link between preeclampsia, oxidative stress, and inflammation has been suggested. This study evaluated the interrelationship between biomarkers of oxidative stress, inflammation, and hematological parameters among preeclamptic Nigerian women. MATERIAL AND METHODS A cross-sectional study was conducted among 49 preeclamptic and 50 normotensive healthy pregnant women. Blood samples were obtained after 20-week gestation in all participants...
December 17, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30531680/curcumin-mediated-induction-of-apoptosis-in-human-glioma-chme-cells
#11
Yunqiang Zhang, Lijun Tu, Xiuhong Zhou, Bin Li
BACKGROUND Curcumin has clear anti-tumor activity in various carcinomas. It regulates various signaling pathways like Wnt/β-catenin and JAK2/STAT3, which play vital roles in cell proliferation of several carcinomas, but to the best of our knowledge, there are currently no published reports on human glioma CHME cells. Therefore, the aim of this study was to explore the effect of curcumin on human glioma CHME cells. MATERIAL AND METHODS The CHME cell line was purchased from American Type Culture Collection (ATCC)...
December 10, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30504762/effect-of-tai-chi-exercise-on-balance-function-of-stroke-patients-a-meta-analysis
#12
Shouzhi Wu, Jian Chen, Shuyi Wang, Mingfei Jiang, Ximei Wang, Yufeng Wen
BACKGROUND Tai Chi is an ancient form of physical activity that has been shown to improve cardiovascular function, but to date there had been no comprehensive systematic review on the effect of Tai Chi exercise on balance function of patients with stroke. This study evaluated the effect of Tai Chi exercise on balance function in stroke patients. MATERIAL AND METHODS PubMed, Cochrane library, and China National Knowledge Information databases and the Wan Fang medical network were searched to collect the articles...
December 3, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30473581/correlation-between-first-morning-single-void-and-24-hour-urines-the-reliability-to-quantify-niacin-status
#13
Luiz Ricardo Soldi, André Luiz Maltos, Daniel Ferreira da Cunha, Guilherme Vannucchi Portari
BACKGROUND The current common practice when using urine as a biomarker for vitamin excretion is to use a 24-hour sample for analysis. Due to the difficulty involved in this process, we attempted to find an alternative solution through the use of a single first morning void. The aim of our study was to investigate if there is a correlation between the first morning single void and the 24-hour collections of urines for the urine metabolite of niacin, N-1-methylnicotinamide (N1MN), and to test the reliability of utilizing a method using first morning single void collections corrected with the concentration of urine creatinine...
November 26, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30449881/sleep-quality-depression-and-quality-of-life-after-bilateral-anodal-transcranial-direct-current-stimulation-in-patients-with-parkinson-s-disease
#14
Hikmat Hadoush, Alham Al-Sharman, Hanan Khalil, Saleem A Banihani, Muhammed Al-Jarrah
BACKGROUND Sleep dysfunctions impose a large burden on quality of life for patients with Parkinson's disease (PD). Several studies on PD reported potential therapeutic effects of transcranial direct current stimulation (tDCS) on motor and non-motor functions, but not related to sleep quality. Therefore, the present study examined sleep quality, depression perception, and quality of life changes after bilateral anodal tDCS in patients with PD. MATERIAL AND METHODS Twenty-one patients (n=21) with PD underwent 10 sessions (20 min each, 5 per week) of bilateral anodal tDCS stimulation applied simultaneously over the left and right prefrontal and motor areas...
November 19, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30416195/effect-of-bariatric-surgery-on-semen-parameters-a-systematic-review-and-meta-analysis
#15
Yong Wei, Quanbing Chen, Wenhui Qian
BACKGROUND The present systematic review and meta-analysis was performed to explore the possible effect of bariatric surgery on semen parameters. MATERIAL AND METHODS Studies on the effect of bariatric surgeries on semen parameters were collected by searching Cochrane Library, PUBMED, EMBASE, MEDLINE, and CNKI databases. We extracted information on essential data and outcome measures, including study design, bariatric surgery, and semen parameters at baseline and after the surgery from the included studies, and STATA 12...
November 12, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30393368/microrna-32-regulates-development-and-progression-of-hepatocellular-carcinoma-by-targeting-adamts9-and-affects-its-prognosis
#16
Shengmian Li, Tingting Li, Xiaoming Li, Yue Yao, Xiaojia Jiang, Lianmei Zhao, Wei Guo
BACKGROUND MicroRNA-32 (miR-32) induces cell proliferation and metastasis in hepatocellular carcinoma (HCC), but the detailed mechanisms of miR-32 in regulating oncogenesis and development of HCC have not been clarified. The aim of this study was to investigate the effects of miR-32 on HCC and its clinical pathological significance, as well as to determine the functional connection between miR-32 and ADAMTS9 in HCC. MATERIAL AND METHODS Quantitative RT-PCR was used to assess the expression levels of miR-32 in HCC tissues, adjacent non-cancerous tissues, and liver cancer cell lines...
November 5, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30348938/association-of-serum-t-cell-immunoglobulin-domain-and-mucin-3-and-interleukin-17-with-systemic-lupus-erythematosus
#17
Lairun Jin, Ran Bai, Jun Zhou, Wei Shi, Liang Xu, Jun Sheng, Hui Peng, Yuelong Jin, Hui Yuan
BACKGROUND Previous studies have shown that T cell immunoglobulin domain and mucin-3 (Tim-3) and interleukin-17 (IL-17) are implicated in the development of several autoimmune diseases. However, it is unclear whether these proteins contribute to the pathogenesis of systemic lupus erythematosus (SLE). The purpose of this study was to evaluate SLE patient serum Tim-3 and IL-17 levels, and to assess correlations between these proteins and major clinical parameters of SLE. MATERIAL AND METHODS Overall, 55 SLE patients and 55 healthy controls were recruited in a case-control study...
October 23, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30323163/contribution-of-physical-and-motor-characteristics-to-functional-performance-in-children-and-adolescents-with-down-syndrome-a-preliminary-study
#18
Samire Beqaj, Esmira E T Tërshnjaku, Merita Qorolli, Vujica Zivkovic
BACKGROUND Down syndrome (DS) is the most frequent genetic mental disability. Individuals with DS experience a variety of physical, motor, and functional challenges throughout the lifespan. However, the inter-relatedness between these domains is relatively unexplored in children with DS. This study aimed to determine which physical and motor characteristics contribute to functional performance in children and adolescents with DS. It also investigated the relationship between physical, motor, and functional domains...
October 16, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30297685/attenuation-of-morphine-withdrawal-syndrome-by-prosopis-farcta-extract-and-its-bioactive-component-luteolin-in-comparison-with-clonidine-in-rats
#19
Ardeshir Moayeri, Maryam Azimi, Elahe Karimi, Ali Aidy, Naser Abbasi
BACKGROUND Today, the plant Prosopis farcta is frequently used for traditional medicinal purposes. The aim of this study was the identification of luteolin in P. farcta extract (PFE) and to evaluate its effect on morphine discontinuation syndrome in rats. MATERIAL AND METHODS Using high-performance liquid chromatography (HPCL), luteolin was evaluated in PFE. The frequency of behavioral symptoms of morphine withdrawal (jumping, rearing, and teeth chattering) induced by naloxone challenge were illustrated in morphine-dependent rats receiving PFE, luteolin, saline, or clonidine...
October 9, 2018: Medical Science Monitor Basic Research
https://read.qxmd.com/read/30275440/dna-repair-gene-xpd-xrcc4-and-xrcc1-polymorphisms-in-patients-with-endometrial-hyperplasia-a-pilot-study
#20
Ebru Öztürk, Sacide Pehlivan, Ozcan Balat, Mete Gurol Ugur, Huseyin Caglayan Ozcan, Suna Erkılıç
BACKGROUND In this study, we aimed to evaluate the association between endometrial hyperplasia and DNA repair gene (XPD, XRCC4, and XRCC1) polymorphisms. MATERIAL AND METHODS There were 114 cases enrolled in the study in 4 groups: simple endometrial hyperplasia (SH) (Group 1), complex endometrial hyperplasia without atypia (CH) (Group 2), complex atypical endometrial hyperplasia (CAH) (Group 3), and normal endometrium (NE) (Group 4). Of these cases, 37 cases had SH, 36 cases had CH, 16 cases had CAH, and 25 cases had NE...
October 2, 2018: Medical Science Monitor Basic Research
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