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Clinical and Experimental Medicine

Qi Zhao, Chunshu Yang, Jianing Wang, Yujia Li, Pingting Yang
DNase1l3 is an endonuclease to degrade the chromatin of apoptotic or necrotic cells. Serum DNase1l3 may fulfill the function of clearance of chromatin released into the circulation by dying cells, which can trigger autoimmune responses. To date, it remains unclear whether serum DNase1l3 level associates with the pathogenesis of autoimmune diseases. Sixty-eight patients with dermatomyositis/polymyositis (DM/PM, n = 30), systemic lupus erythematosus (SLE, n = 20) and rheumatoid arthritis (RA, n = 18), as well as 26 healthy blood donors were enrolled in the present study...
December 30, 2016: Clinical and Experimental Medicine
Natália Aydos Marcondes, Flavo Beno Fernandes, Ana Paula Alegretti, Gustavo Adolpho Moreira Faulhaber
Bruton's tyrosine kinase (BTK) is a cytoplasmatic protein that is part of the B-cell antigen receptor signaling pathway. Our aim was to evaluate the expression of BTK in B-cell neoplasms and compare it to normal B-cell lymphocytes. After surface staining with CD19 and CD45, flow cytometry staining for intracellular BTK was performed in leukemic or mature B-cells from bone marrow or peripheral blood samples. No differences in BTK expression were identified between groups, or in comparison to control samples, there was no association between BTK expression and the clinical variables evaluated...
December 27, 2016: Clinical and Experimental Medicine
Shih-Ping Cheng, Ming-Jen Chen, Ming-Nan Chien, Chi-Hsin Lin, Jie-Jen Lee, Chien-Liang Liu
Although papillary thyroid cancer is a relatively indolent malignancy, its progression may be associated with dedifferentiation and resistance to radioactive iodine treatment. In this study, patterns of differentially expressed genes in association with disease progression were systemically evaluated. We firstly performed transcriptome analyses for four matched cancerous and noncancerous tissue pairs of the classical subtype of papillary thyroid cancer. Among the upregulated and downregulated genes, the expression of 164 and 183 genes increased and decreased, respectively, from stage I to stage IV...
December 21, 2016: Clinical and Experimental Medicine
Manhua Li, Jing Ke, Qiuhong Wang, Hongyan Qian, Lei Yang, Xunlei Zhang, Jinzhang Xiao, Haifang Ding, Xiaohang Shan, Qingqing Liu, Ying Xiao, Bojun Bao, Hua Huang
Rho-associated coiled-coil-containing protein kinase 2 (ROCK2) has been known as an effector for the small GTPase Rho and plays an important role in tumor progression and metastasis. However, the effect of ROCK2 in gastric cancer (GC) has not been identified. This study showed that ROCK2 expression significantly increased in clinical GC tissues compared with adjacent non-cancer tissues. Immunohistochemistrical analysis showed that high expression of ROCK2 was correlated with tumor grade, tumor-node-metastasis stage, infiltration depth, lymph node invasion and Ki-67, and predicted poor prognosis in 135 gastric cancer specimens...
December 5, 2016: Clinical and Experimental Medicine
Alireza Korourian, Raheleh Roudi, Ahmad Shariftabrizi, Elham Kalantari, Kambiz Sotoodeh, Zahra Madjd
Aberrant activation of Wnt and base excision repair (BER) signaling pathways are implicated in tumor progression and chemotherapy resistance in gastric adenocarcinoma. This study was conducted to clarify the role of E2F6 and RhoA, components of the Wnt signaling pathway, and SMUG1, a component of the BER pathway in gastric adenocarcinoma. Expression levels and clinicopathological significance of three biomarkers, namely E2F6, RhoA, and SMUG1, as potential signaling molecules involved in tumorigenesis and aggressive behavior, were examined using tissue microarray...
December 1, 2016: Clinical and Experimental Medicine
Mehrdad Asghari Estiar, Rezvan Esmaeili, Ali-Akbar Zare, Leila Farahmand, Hassan Fazilaty, Ali Zekri, Narges Jafarbeik-Iravani, Keivan Majidzadeh-A
Carcinoembryonic antigen (CEA) family members play important roles in malignancies and are introduced as biomarkers in different types of cancers. Among them CEACAM19 (CEAL1) gene, a new member of the CEA family, remains to be fully elucidated. The aim of this study was investigating the mRNA expression level of CEACAM19 in tumor samples of breast cancer patients compared to breast tissue of normal individuals. We evaluated the expression level of this gene in 75 breast tumors by using real-time quantitative PCR...
December 1, 2016: Clinical and Experimental Medicine
Hanna Romanowicz, Dominik Strapagiel, Marcin Słomka, Marta Sobalska-Kwapis, Ewa Kępka, Anna Siewierska-Górska, Marek Zadrożny, Jan Bieńkiewicz, Beata Smolarz
Breast cancer is the most common cause of malignancy and mortality in women worldwide. This study aimed at localising homologous recombination repair (HR) genes and their chromosomal loci and correlating their nucleotide variants with susceptibility to breast cancer. In this study, authors analysed the association between single nucleotide polymorphisms (SNPs) in homologous recombination repair genes and the incidence of breast cancer in the population of Polish women. Blood samples from 94 breast cancer patients were analysed as test group...
November 30, 2016: Clinical and Experimental Medicine
Shuai Lin, Meng Wang, Xinghan Liu, Wenge Zhu, Yan Guo, Zhiming Dai, Pengtao Yang, Tian Tian, Cong Dai, Yi Zheng, Chunyan Hu, Linyan Wei, Zhijun Dai
Macrophage migration inhibitory factor (MIF) has been reported to associate with increased cancer risk in several cancers. However, the role of MIF in breast cancer (BC) susceptibility remains unknown. For the first time, we conducted a case-control study to assess the potential association of three common MIF gene variants (rs755622, rs1803976, rs11548059) with BC susceptibility in Chinese women. Total 560 breast cancer patients and 583 age- and sex-matched healthy individuals were recruited from Northwest China, and the DNA was genotyped by Sequenom MassARRAY...
November 14, 2016: Clinical and Experimental Medicine
Tobias Ettl, Matthias Hautmann, Torsten E Reichert, Richard Bauer
The expression of the hair follicle stem cell marker CD34 was analyzed in five different head and neck squamous cell carcinoma (HNSCC) cell lines with different antibodies. All HNSCC cell lines expressed CD34 on their cell surface. After cell cycle synchronization via serum starvation, we observed cyclic CD34 expression in HNSCC cells dependent on cell cycle progression via immunofluorescent staining and flow cytometric analysis. Investigation of the CD34(+) and CD34(-) HNSCC populations revealed most of the cells in S-phase and G2/M-Phase in CD34(+) cells in contrast to CD34(-) cells...
November 11, 2016: Clinical and Experimental Medicine
Shan Meng, Chenyang Lu, Wanggang Zhang, Wenjun Shen, Yongchang Wei, Dan Su, Fuling Zhou
Multiple myeloma-associated antigen-1 (MMSA-1) is a novel multiple myeloma (MM)-associated antigen which has been recently identified. Herein, we have tried to examine its clinical significance by studying the relationship between its expression and selected clinicopathological features. We extracted mononuclear cells from the bone marrow of MM patients and healthy donors and compared the MMSA-1 expression by RT-PCR and Western blot analysis. In addition, we also analyzed MMSA-1 expression in patients that were grouped based on selected clinical parameters...
November 2016: Clinical and Experimental Medicine
Lucie Vavrova, Jana Rychlikova, Magdalena Mrackova, Olga Novakova, Ales Zak, Frantisek Novak
Markers of oxidative stress and antioxidant status in relation to inflammatory mediators in septic patients (SPs) during the course of sepsis and after recovery were analysed. Patients were 30 critically ill adults in severe sepsis/septic shock, 19 of which completed 3 samplings (S1: within 24 h after onset of sepsis, S7: 7 days after S1, R7: 7 days after clinical recovery). Comparing SPs with healthy controls (HCs), enhanced C-reactive protein, procalcitonin, bilirubin and CuZn-superoxide dismutase activity were found at S1 only...
November 2016: Clinical and Experimental Medicine
Dil Afroze, Adfar Yousuf, Nisar A Tramboo, Zaffar A Shah, Asrar Ahmad
Apolipoprotein E is a fundamental component of various lipoproteins and plays substantial role in cholesterol/lipid transport among cells of various tissues. The ApoE gene is polymorphic with three alleles ε2, ε3, and ε4, coding for isoforms E2, E3, and E4 having different binding inclination for corresponding receptors. This work aimed to investigate the association between ApoE gene polymorphism and coronary artery disease (CAD) in Kashmiri population. APOE genotyping was done by polymerase chain reaction-restriction fragment length polymorphism...
November 2016: Clinical and Experimental Medicine
Jan Novak, Jan Dobrovolny, Jitka Brozova, Lucie Novakova, Tomas Kozak
Immune reconstitution after high-dose chemotherapy and stem cell transplantation plays a key role in restoring immunocompetence including defense against infection, immune regulation, and onco-immune surveillance. In this work, we examined the recovery of mucosal-associated invariant T (MAIT) cells, recently discovered innate-like T cells, after various types of myeloablative chemotherapy and autologous peripheral blood stem cell transplantation in 29 patients. We show that MAIT cells are relatively resistant to myeloablative conditioning...
November 2016: Clinical and Experimental Medicine
L B L Maia, F S C Breginski, T C S Cavalcanti, R L R de Souza, V M S Roxo, E M S F Ribeiro
The Cyclin D1 protein has been extensively studied over the last decades, for its various roles in physiological processes, both in normal and cancer cells. Gene amplifications and overexpression of CCND1 are frequently reported in several types of cancers, including breast carcinomas, showing the increasing relevance of Cyclin D1 in tumorigenesis. Little is known about the role of this protein in the metastatic process, and the main objective of this study was to evaluate the importance of the CCND1 as a potential marker of tumor progression in breast carcinomas, in a sample collected in Southern Brazil...
November 2016: Clinical and Experimental Medicine
Anping Peng, Peifeng Ke, Rong Zhao, Xinyi Lu, Cheng Zhang, Xianzhang Huang, Guangjun Tian, Jun Huang, Jinli Wang, Pietro Invernizzi, Qubo Chen, Junhua Zhuang
Primary biliary cirrhosis (PBC) is a progressive autoimmune liver disease in which monocytes/macrophages infiltration and skewed T helper type (Th) 1 and Th17 cell responses participate in the development of the disease. Human peripheral blood monocytes are heterogeneous and can be divided into classical CD14(high)CD16(-), intermediate CD14(high)CD16(+), and nonclassical CD14(low)CD16(+) monocyte subsets. Compared to classical monocytes, CD16(+) monocytes are generally termed pro-inflammatory monocytes and play an important pathogenic role in autoimmune diseases...
November 2016: Clinical and Experimental Medicine
Joanna Rybka, S Mechiel Korte, Małgorzata Czajkowska-Malinowska, Małgorzata Wiese, Kornelia Kędziora-Kornatowska, Józef Kędziora
Depression is highly prevalent in COPD patients, and both diseases are believed to be associated with inflammation. The aim of this study was to elucidate the role of the immune system alterations in pathogenesis of depression in COPD patients. Blood was collected from patients diagnosed with chronic obstructive pulmonary disease and comorbid depressive symptoms [COPD + DS, (N = 13)], from individuals with either COPD (N = 16) or recurrent depressive disorder (rDD) alone (N = 15), and from healthy controls (N = 19)...
November 2016: Clinical and Experimental Medicine
Yoshinao Ohbatake, Sachio Fushida, Tomoya Tsukada, Jun Kinoshita, Katsunobu Oyama, Hironori Hayashi, Tomoharu Miyashita, Hidehiro Tajima, Hiroyuki Takamura, Itasu Ninomiya, Masakazu Yashiro, Kousei Hirakawa, Tetsuo Ohta
Paclitaxel (PTX) which easily elutes into ascites is widely used to treat gastric cancer patients with peritoneal carcinomatosis (PC), but clinical outcomes are suboptimal. Increased concentrations of α1-acid glycoprotein (AGP), an important drug-binding protein, have been reported in the plasma and ascites of cancer patients. This study sought to clarify whether AGP binds to PTX and alters its anticancer effects. AGP concentrations were measured in the serum and ascites of gastric cancer patients with PC and in the serum of healthy volunteers...
November 2016: Clinical and Experimental Medicine
Monika Gudowska, Ewa Gruszewska, Anatol Panasiuk, Bogdan Cylwik, Robert Flisiak, Magdalena Świderska, Maciej Szmitkowski, Lech Chrostek
The aim of this study was to evaluate the effect of liver diseases of different etiologies and clinical severity of liver cirrhosis on the serum level of hyaluronic acid. The results were compared with noninvasive markers of liver fibrosis: APRI, GAPRI, HAPRI, FIB-4 and Forn's index. Serum samples were obtained from 20 healthy volunteers and patients suffering from alcoholic cirrhosis (AC)-57 patients, non-alcoholic cirrhosis (NAC)-30 and toxic hepatitis (HT)-22. Cirrhotic patients were classified according to Child-Pugh score...
November 2016: Clinical and Experimental Medicine
Baozhu Wang, Xiang Ma, Long Zhao, Xinrong Zhou, Yitong Ma, Huiping Sun, Yining Yang, Bangdang Chen
Recent findings suggest that cell and gene transplantation in the infarcted myocardium may improve heart function. The aim of the study was to investigate the mechanism involved in improving heart function following the co-injection of adipose-derived stem cells (ADSCs) and basic fibroblast growth factor (bFGF) in a rat model of myocardial infarction. In this study, ADSCs were isolated from subcutaneous adipose tissues. The ADSCs were induced to differentiate into adipocytes, osteoblasts and cardiac myocytes in vitro...
November 2016: Clinical and Experimental Medicine
Kotb Abbass Metwalley, Hekma Saad Farghaly, Khaled Saad, Hisham A K Othman
Oxidative status in autoimmune thyroiditis (AIT) has not been investigated previously in children and adolescents. We investigated oxidant and antioxidant systems in a cohort of Egyptian children and adolescents with AIT to explore these as biomarkers of autoimmunity and thyroid function. Our case control study included 32 children with AIT and 32 healthy subjects with matching age and sex as a control group. After a thorough history and physical examination, a thyroid ultrasound, measurements of thyroid-stimulating hormone (TSH), free thyroxin (FT4), antithyroid peroxidase antibodies (TPOAb), and antithyroglobulin antibody were done with assessment of malondialdehyde (MDA) and total antioxidant capacity (TAC) levels as oxidative stress markers...
November 2016: Clinical and Experimental Medicine
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