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Clinical and Experimental Medicine

Edsaul Emilio Perez-Guerrero, Jorge Ivan Gamez-Nava, Jose Francisco Muñoz-Valle, Ernesto German Cardona-Muñoz, David Bonilla-Lara, Nicte Selene Fajardo-Robledo, Arnulfo Hernan Nava-Zavala, Teresa Arcelia Garcia-Cobian, Ana Rosa Rincón-Sánchez, Jessica Daniela Murillo-Vazquez, David Cardona-Müller, Maria Luisa Vazquez-Villegas, Sylvia Elena Totsuka-Sutto, Laura Gonzalez-Lopez
Around 25% of patients with systemic lupus erythematosus (SLE) could be refractory to conventional therapies. P-glycoprotein expression on cell surface has been implied on drug resistance, however, to date, it is unknown if P-gp serum levels are associated with SLE disease activity. Evaluate the association of serum P-gp levels and SLE with disease activity despite treatment. A cross-sectional study was conducted on 93 female SLE patients, all receiving glucocorticoids at stable doses for the previous 6 months before to baseline...
February 27, 2017: Clinical and Experimental Medicine
Lei Zhang, Jianling Tao, Yubing Wen, Li Li, Xueyi Wu, Xuewang Li, Xuemei Li
To better clarify the clinical features and therapeutic strategy of CMV infection in lupus nephritis patients, we retrospectively surveyed a total of 40 lupus nephritis patients, who had been hospitalized and underwent renal biopsy and diagnosed as having CMV infection during their hospitalization at our institution within the last 10 years. The percentage of CMV infections in the entire hospitalized lupus nephritis population was 5.3% (40/755). The principal clinical features of the 40 CMV-infected patients were hematological disorders (n = 25), fever (n = 21), liver dysfunction (n = 19), and respiratory symptoms (n = 12)...
February 17, 2017: Clinical and Experimental Medicine
Christian Schoergenhofer, Nina Buchtele, Michael Schwameis, Johann Bartko, Bernd Jilma, Petra Jilma-Stohlawetz
Thromboelastometry is increasingly used in the clinical and scientific setting. The use of frozen plasma samples may be useful in overcoming certain limitations such as local and timely availability. Whole blood (WB) samples of 20 healthy volunteers were obtained, and plasma was generated. NATEM (n = 20), EXTEM (n = 20) and INTEM (n = 8) analyses were performed in WB, fresh plasma and frozen and thawed plasma. Dabigatran (500, 1000 ng/ml), rivaroxaban (100, 200 ng/ml) or alteplase (333 ng/ml) were added ex vivo to WB, and thromboelastometry was performed in WB and in frozen and thawed plasma samples...
February 16, 2017: Clinical and Experimental Medicine
Ayse Nazli Seckin, Hulya Ozdemir, Ayca Ceylan, Hasibe Artac
Children with Down syndrome (DS) have a high incidence of recurrent respiratory tract infections, leukaemia and autoimmune disorders, suggesting immune dysfunction. The present study evaluated the role of the CD19 complex and memory B cells in the pathogenesis of immunodeficiency in children with DS. The expression levels (median fluorescein intensity-MFI) of CD19, CD21 and CD81 molecules on the surface of B cells and memory B cell subsets were studied in 37 patients and 39 healthy controls. Twenty-nine of the DS group had congenital cardiac disease...
February 14, 2017: Clinical and Experimental Medicine
Tomomitsu Tahara, Sayumi Tahara, Tetsuya Tuskamoto, Noriyuki Horiguchi, Tomohiko Kawamura, Masaaki Okubo, Takamitsu Ishizuka, Mitsuo Nagasaka, Yoshihito Nakagawa, Tomoyuki Shibata, Makoto Kuroda, Naoki Ohmiya
The molecular mechanisms of gastric carcinogenesis after Helicobacter pylori (H. pylori) eradication remain unclear. We examined the telomere length of gastric mucosa samples after successful H. pylori eradication in patients without and those with gastric cancer. Telomere length was measured by the real-time PCR among four different groups of biopsies: gastric body from subjects without history of H. pylori infection (Hp-: n = 23), gastric body from cancer-free subjects after H. pylori eradication (cancer-free body: n = 24), gastric body from early gastric cancer patients diagnosed after H...
February 14, 2017: Clinical and Experimental Medicine
Patrizia Leone, Valli De Re, Angelo Vacca, Franco Dammacco, Vito Racanelli
Accumulating evidence indicates that the success of cancer therapy depends not only on a combination of adequate procedures (surgery, chemotherapy and radiotherapy) that aim to eliminate all tumor cells, but also on the functional state of the host immune system. HLA and KIR molecules, in particular, are critical to the interactions between tumor cells and both innate and adaptive immune cells such as NK cells and T cells. Different KIR-HLA gene combinations as well as different HLA expression levels on tumor cells associate with variable tumor prognosis and response to treatment...
February 10, 2017: Clinical and Experimental Medicine
Ruma G Singh, Sayali A Pendharkar, Nicola A Gillies, Victor Miranda-Soberanis, Lindsay D Plank, Maxim S Petrov
Adipocytokines are strongly associated with abdominal adiposity during the course of acute pancreatitis (AP). This study investigated associations between a panel of adipocytokines and abdominal adiposity in AP patients after hospital discharge, as well as the effect of several covariates. Fasting venous blood samples were collected to measure adiponectin, interleukin 6, leptin, monocyte chemoattractant protein 1, tumour necrosis factor α (TNFα), resistin, and retinol-binding protein 4. Waist circumference (WC), waist-hip ratio, and waist-height ratio (WheightR) were used as measures of abdominal adiposity...
February 6, 2017: Clinical and Experimental Medicine
Shichao Tong, Ji Liu, Changqing Zhang
Rheumatoid arthritis (RA) is a chronic disease affecting daily life of numerous patients, and uncontrolled proliferation of synovial fibroblasts plays vital role during the pathology of RA. Platelet-rich plasma (PRP), widely used in tissue regeneration and pain management, is rarely studied in RA. This study aims to investigate the effect of PRP on synovial fibroblasts during RA. Rheumatoid fibroblast-like synoviocyte MH7A cells were stimulated by lipopolysaccharide (LPS) to simulate RA conditions and treated with PRP, after that the concentration of inflammatory factors interleukin (IL) 1β, tumor necrosis factor alpha (TNFα) and IL6 in the supernatant of culture medium was quantified by ELISA...
January 24, 2017: Clinical and Experimental Medicine
Hailing Liu, Yunbao Pan, Shan Meng, Wanggang Zhang, Fuling Zhou
Multiple myeloma (MM) is a complex disease and is presently an incurable malignant plasma cell tumor. Although the introduction of proteasome inhibitor and the immunomodulators markedly improved the effect of myeloma therapy, most patients still suffer from relapse even with an initially effective therapy. Accumulating evidence suggests that immunotherapy is a promising option in treating MM. And T cell plays crucial role through inducing sustained immune response in vivo in the immunotherapy of tumors. In this article, we will discuss progress of several T cell-based immunotherapies with insight into how they eradicate myeloma cells and their disadvantages...
January 24, 2017: Clinical and Experimental Medicine
Feifei Si, Yao Wu, Fang Gao, Siqi Feng, Ruixi Liu, Qijian Yi
Kawasaki disease (KD) arises due to the disorder of the inflammation response and faulty immune regulation. Interleukin-27 (IL-27) is a novel cytokine with both pro-inflammatory and anti-inflammatory effects. This study investigated the relationship between serum levels of IL-27, Interleukin-17A (IL-17A), Interleukin-10 (IL-10), Interleukin-6 (IL-6), Interleukin-1β (IL-1β), tumor necrosis factor-α (TNF-α) and coronary artery lesions (CALs) in patients with KD. We obtained blood samples from 81 children with KD before intravenous immunoglobulin (IVIG) therapy...
January 20, 2017: Clinical and Experimental Medicine
Diego Guidolin, Simona Ruggieri, Tiziana Annese, Cinzia Tortorella, Andrea Marzullo, Domenico Ribatti
The spatial distribution of mast cells inside the tumor stroma has been little investigated. In this study, we have evaluated tumor mast cells (MCs) distribution in gastric cancer through the analysis of the morphological features of the spatial patterns generated by these cells, including size, shape, and architecture of the cell pattern. The pattern of distribution of tryptase- and chymase-positive MCs around the blood vessels and gastric glands in human gastric adenocarcinoma samples was investigated by immunohistochemical techniques and by introducing a quantitative approach to characterize the spatial distribution of MCs...
January 19, 2017: 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
Diego Guidolin, Christian Marinaccio, Cinzia Tortorella, Tiziana Annese, Simona Ruggieri, Nicoletta Finato, Enrico Crivellato, Domenico Ribatti
Mast cells (MCs) accumulate in the stroma surrounding tumors, where they secrete angiogenic cytokines and proteases, and an increased number of MCs have been demonstrated in angiogenesis associated with solid and hematological tumors. The aim of this study is to contribute to the knowledge of distribution of MCs in tumors, investigating the pattern of distribution of tryptase-positive MCs around the blood vessels in human endometrial carcinoma samples by introducing a quantitative approach to characterize their spatial distribution...
February 2017: Clinical and Experimental Medicine
Yun-Peng Zhao, Ping-Ting Zhou, Wei-Ping Ji, Hao Wang, Meng Fang, Meng-Meng Wang, Yue-Peng Yin, Gang Jin, Chun-Fang Gao
Pancreatic cancer (PC) has a high mortality rate because it is usually diagnosed late. Glycosylation of proteins is known to change in tumor cells during the development of PC. The objectives of this study were to identify and validate the diagnostic value of novel biomarkers based on N-glycomic profiling for PC. In total, 217 individuals including subjects with PC, pancreatitis, and healthy controls were divided randomly into a training group (n = 164) and validation groups (n = 53). Serum N-glycomic profiling was analyzed by DSA-FACE...
February 2017: Clinical and Experimental Medicine
Shan Shan, Liubao Gu, Qinglin Lou, Xiaojun Ouyang, Yun Yu, Haidi Wu, Rongwen Bian
This study aimed to evaluate the glycemic levels in Chinese patients with type 2 diabetes mellitus (T2DM) and to explore the factors related to the results of glycemic control. A total of 2454 T2DM patients from 11 communities were examined for glycosylated hemoglobin levels and glycemic control options. Potential factors related to the results of glycemic control were analyzed using logistic regression. Of all the patients, 55.3 % achieved the glycemic control target of HbA1c < 7 %. Multivariate analysis showed that male sex (OR 1...
February 2017: Clinical and Experimental Medicine
Yong-Jiang Li, Yi-Ling Dai, Wen-Biao Zhang, Shuang-Jiang Li, Chong-Qi Tu
The prognostic significance of CXC chemokine receptor 4 (CXCR4) in patients with bone and soft tissue sarcomas remains controversial. To investigate the impact of its expression on survival and clinicopathological features, we performed a meta-analysis. Comprehensive literature searches were conducted in PubMed, Web of Science, Embase and Cochrane Library for relevant studies. In total, 12 studies with 997 sarcoma patients were included. CXCR4 expression was found to be significantly associated with poor overall survival (HR 2...
February 2017: Clinical and Experimental Medicine
Margherita Sisto, Loredana Lorusso, Sabrina Lisi
Despite recent advancements in the knowledge of the etiology and pathogenic mechanisms, treatment of the autoimmune disease Sjögren's syndrome (SS) remains mostly empiric and symptom-based, indicating the need for novel therapeutic approaches. Ectodysplasin-A2 (EDA-A2) is a recently isolated member of the tumor necrosis factor superfamily that binds to X-linked ectodermal dysplasia receptor (XEDAR). In this report, we have analyzed the expression and the biological activity of EDA-A2 in human salivary gland epithelial cells (SGEC) from primary Sjögren's syndrome (pSS) patients...
February 2017: Clinical and Experimental Medicine
Qihong Sun, Yu Zheng, Kang Chen, Wenhua Yan, Juming Lu, Jingtao Dou, Zhaohui Lv, Baoan Wang, Weijun Gu, Jianming Ba, Yiming Mu
The aim of present study was to explore the relationships between osteopenia and dyslipidemia, glycemic levels or blood pressure in postmenopausal Chinese women. A total of 4080 women aged 42-85 years were enrolled in this cross-sectional study, which was nested in an ongoing longitudinal (REACTION) study. Calcaneus quantitative ultrasound (QUS) was performed and QUS T score was calculated to assess bone mineral density. Osteopenia was defined as a T score ≤-1.0. The relationship between osteopenia and dyslipidemia, glycemic levels or blood pressure was investigated...
February 2017: Clinical and Experimental Medicine
Koji Harada, Tarannum Ferdous, Toyoko Harada, Yoshiya Ueyama
Stathmin 1 is an oncoprotein that regulates cell cycle by modulating microtubule dynamics and can cause uncontrolled cell proliferation in mutated state. The present study examined stathmin 1 expression in 49 patients with oral squamous cell carcinoma (OSCC) treated with docetaxel (Doc)-containing regimens by immunohistochemical staining. Moreover, we investigated the relationship between stathmin 1 expression and clinicopathological features, as well as the prognosis of above patients. Stathmin 1 could be detected in the cytoplasm of tumor cells in OSCC tissues though its expression level was variable...
February 2017: Clinical and Experimental Medicine
Yi-Lung Lin, Shih-Chang Lin
Expressed on the cell surface of most of NK cells and some T cells, CD161 has been shown to deliver inhibitory signal in human NK cells. To determine whether the CD161-expressing cell quantities and the cell surface expression levels of CD161 in NK and T cells were altered in systemic lupus erythematosus (SLE) patients, we analyzed the CD3, CD56 and CD161 expression patterns of peripheral blood lymphocytes by flow cytometric analysis to identify different NK and T cell subpopulations. The cell surface expression levels of CD161 were estimated by the mean florescence intensities (MFIs) of CD161...
February 2017: Clinical and Experimental Medicine
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