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Clinical and Experimental Medicine

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https://www.readbyqxmd.com/read/28391544/are-egfr-tyrosine-kinase-inhibitors-effective-in-elderly-patients-with-egfr-mutated-non-small-cell-lung-cancer
#1
REVIEW
Giandomenico Roviello, Laura Zanotti, Maria Rosa Cappelletti, Angela Gobbi, Martina Dester, Giovanni Paganini, Chiara Pacifico, Daniele Generali, Raheleh Roudi
EGFR tyrosine kinase inhibitors (TKIs) such as erlotinib, gefitinib, and afatinib changed dramatically the history of metastatic non-small cell lung cancer (NSCLC) harbouring EGFR mutations. However, not enough data are available on the efficacy of these targeted drugs in elderly patients. The aim of this study is to analyse the available clinical data evaluating the efficacy of anti-EGFR therapies in elderly patients with advanced NSCLC carrying EGFR mutations. A literature-based meta-analysis of the results of randomized clinical trials was undertaken...
April 8, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/28243944/serum-levels-of-p-glycoprotein-and-persistence-of-disease-activity-despite-treatment-in-patients-with-systemic-lupus-erythematosus
#2
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
https://www.readbyqxmd.com/read/28213738/cytomegalovirus-infection-in-patients-with-lupus-nephritis-clinical-and-laboratory-features-and-therapeutic-considerations
#3
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
https://www.readbyqxmd.com/read/28210886/the-use-of-frozen-plasma-samples-in-thromboelastometry
#4
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
https://www.readbyqxmd.com/read/28197808/age-related-alterations-of-the-cd19-complex-and-memory-b-cells-in-children-with-down-syndrome
#5
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
https://www.readbyqxmd.com/read/28197807/telomere-length-in-the-gastric-mucosa-after-helicobacter-pylori-eradication-and-its-potential-role-in-the-gastric-carcinogenesis
#6
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
https://www.readbyqxmd.com/read/28188495/cancer-treatment-and-the-kir-hla-system-an-overview
#7
REVIEW
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
https://www.readbyqxmd.com/read/28168436/associations-between-circulating-levels-of-adipocytokines-and-abdominal-adiposity-in-patients-after-acute-pancreatitis
#8
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
https://www.readbyqxmd.com/read/27160252/apl-1-an-altered-peptide-ligand-derived-from-heat-shock-protein-alone-or-combined-with-methotrexate-attenuates-murine-collagen-induced-arthritis
#9
Norailys Lorenzo, Fiorella Altruda, Lorenzo Silengo, Maria Del Carmen Dominguez
Induction of tolerance to autoantigens in vivo is a complex process that involves several mechanisms such as the induction of regulatory T cells and changes in the cytokine and chemokine profiles. This approach represents an attractive alternative for treatment of autoimmune diseases. APL-1 is an altered peptide ligand derived from a novel CD4 + T cell epitope of human heat-shock protein of 60 kDa (HSP60), an autoantigen involved in the pathogenesis of rheumatoid arthritis (RA). We have shown previously that this peptide efficiently inhibited the course of adjuvant-induced arthritis in Lewis rats and induced regulatory T cell (Treg) in ex vivo assay with PBMC isolated from RA patients...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27125837/interferon-lambda-polymorphisms-associate-with-body-iron-indices-and-hepatic-expression-of-interferon-responsive-long-non-coding-rna-in-chronic-hepatitis-c
#10
Anna Wróblewska, Agnieszka Bernat, Anna Woziwodzka, Joanna Markiewicz, Tomasz Romanowski, Krzysztof P Bielawski, Tomasz Smiatacz, Katarzyna Sikorska
Single nucleotide polymorphisms (SNPs) within DNA region containing interferon lambda 3 (IFNL3) and IFNL4 genes are prognostic factors of treatment response in chronic hepatitis C (CHC). Iron overload, frequently diagnosed in CHC, is associated with unfavorable disease course and a risk of carcinogenesis. Its etiology and relationship with the immune response in CHC are not fully explained. Our aim was to determine whether IFNL polymorphisms in CHC patients associate with body iron indices, and whether they are linked with hepatic expression of genes involved in iron homeostasis and IFN signaling...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27106278/diagnostic-value-of-circulating-micrornas-for-osteosarcoma-in-asian-populations-a-meta-analysis
#11
Xi Wang, Yujie Ning, Lei Yang, Huan Liu, Cuiyan Wu, Sen Wang, Xiong Guo
A large number of studies have provided new insights into the diagnostic value of circulating microRNAs (miRNA) for osteosarcoma (OS), one of the most common primary malignancies in adolescents. However, inconsistent conclusions on the diagnostic performance of various kinds of miRNAs have been made. To assess the true diagnostic value of circulating miRNA for the early detection of OS in this meta-analysis, multiple databases, including PubMed, EMBASE, Web of Science, Chinese National Knowledge Infrastructure (CNKI), and Technology of Chongqing (VIP), were carefully searched for available studies up to October 30, 2015...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27099933/clinicopathological-and-prognostic-significance-of-nestin-expression-in-patients-with-non-small-cell-lung-cancer-a-systematic-review-and-meta-analysis
#12
Shuangjiang Li, Yutian Lai, Jun Fan, Cheng Shen, Guowei Che
Latest evidence indicates that Nestin expression may be associated with the high malignancy and poor prognosis of non-small cell lung cancer (NSCLC), but a relevant consensus has not been reached until now. Therefore, we conducted this meta-analysis to evaluate the clinicopathological and prognostic significance of Nestin expression in patients with NSCLC. We searched PubMed, EMBASE and the Web of Science for eligible full-text articles. Odds ratio (OR) and hazard ratio (HR) with 95 % confidence interval (95 % CI) severed as the summarized statistics...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27094312/telbivudine-versus-lamivudine-and-entecavir-for-treatment-na%C3%A3-ve-decompensated-hepatitis-b-virus-related-cirrhosis
#13
Wan Yue-Meng, Yu-Hua Li, Hua-Mei Wu, Jing Yang, Ying Xu, Li-Hong Yang, Jin-Hui Yang
The long-term effects of telbivudine (TBV) on decompensated hepatitis B virus (HBV)-related cirrhosis were still not established. This study aimed to investigate the efficacy and safety of TBV in such cohort of patients as compared to lamivudine (LAM) and entecavir (ETV). We retrospectively evaluated 130 treatment-naïve patients with HBV-related decompensated cirrhosis who started treatment with TBV (n = 31), LAM (n = 45) or ETV (n = 54). After 24 months of treatment, cumulative virological response (VR) rates (HBV DNA <500 copies/mL) were 83...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27094311/effects-of-lifelong-exercise-training-on-mammary-tumorigenesis-induced-by-mnu-in-female-sprague-dawley-rats
#14
Ana I Faustino-Rocha, Adelina Gama, Paula A Oliveira, Antonieta Alvarado, Maria J Neuparth, Rita Ferreira, Mário Ginja
Breast cancer is the most common malignancy in women worldwide. Several studies have suggested that exercise training may decrease the risk of breast cancer development. This study aimed to evaluate the effects of long-term exercise training on mammary tumorigenesis in an animal model of mammary cancer. Fifty female Sprague-Dawley rats were randomly divided into four groups: MNU sedentary, MNU exercised, control sedentary and control exercised. Animals from MNU groups received an intraperitoneal administration of N-methyl-N-nitrosourea (MNU)...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27094310/a-new-measure-for-in-vivo-thrombin-activity-in-comparison-with-in-vitro-thrombin-generation-potential-in-patients-with-hyper-and-hypocoagulability
#15
Oliver Königsbrügge, Silvia Koder, Julia Riedl, Simon Panzer, Ingrid Pabinger, Cihan Ay
The thrombin generation potential is an in vitro measure for the capacity of an individual to generate thrombin and recognized as a reflection of a hypo- or hypercoagulable status. Measurement of the in vivo thrombin activity, however, may be of clinical significance. We evaluated a new assay for in vivo thrombin activity and compared it to the in vitro thrombin generation potential in patients with hemophilia A (N = 15), oral anticoagulation for atrial fibrillation (AF) (N = 20), subjects with active cancer (N = 21), and healthy volunteers (N = 10)...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27085325/sorafenib-effect-on-liver-neoplastic-changes-in-rats-more-than-a-kinase-inhibitor
#16
Nahla E El-Ashmawy, Eman G Khedr, Hoda A El-Bahrawy, Eslam E Abd El-Fattah
Although sorafenib was approved as antiangiogenic agent in case of hepatocellular carcinoma (HCC), the pathways mediating its antitumorigenic effects were not fully examined in vivo. This study was conducted to elucidate the molecular mechanisms underlying the antineoplastic effect of sorafenib in livers of rats exposed to the hepatocarcinogen diethyl nitrosamine (DENA) regarding oxidative stress, proliferation, and apoptotic pathways. Male albino rats were divided into three groups: normal control, DENA group, and sorafenib group...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27083168/interleukin-28b-tt-genotype-is-frequently-found-in-patients-with-hepatitis-c-virus-cirrhosis-but-does-not-influence-hepatocarcinogenesis
#17
Sara de la Fuente, María-Jesús Citores, Ana Duca, Elisa Cisneros, Isolina Baños, Carlos Vilches, Valentín Cuervas-Mons
Persistent hepatitis C virus (HCV) infection is associated with progressive hepatic fibrosis and ultimately hepatocellular carcinoma. The interleukin-28B (IL28B) rs12979860 polymorphism is associated with fibrosis progression in chronic HCV infection. IL28B encodes interferon-λ, which has both antiviral and anti-proliferative properties. This study aimed to determine whether IL28B rs12979860 polymorphism is also associated with development of hepatocellular carcinoma both in chronic HCV infection and in non-viral-related cirrhosis...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/27002713/granulocyte-colony-stimulating-factor-g-csf-increases-histone-complexed-dna-plasma-levels-in-healthy-volunteers
#18
Christian Schoergenhofer, Michael Schwameis, Philipp Wohlfarth, Christine Brostjan, Simon T Abrams, Cheng-Hock Toh, Bernd Jilma
Granulocyte colony-stimulating factor (G-CSF) is an activator of neutrophil granulocytes. Neutrophil extracellular traps are a defensive mechanism consisting of neutrophils, platelets, DNA, histones and antimicrobial proteins. This study was performed to determine whether G-CSF increases histone-complexed DNA in the plasma of healthy volunteers. In total, 51 healthy volunteers (25 males and 26 females) were treated with G-CSF (18 with 300 µg single dose i.v., 27 with 5 µg/kg s.c. for 4 days) and six participants received a placebo...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/26995061/bevacizumab-and-cetuximab-with-conventional-chemotherapy-reduced-pancreatic-tumor-weight-in-mouse-pancreatic-cancer-xenografts
#19
Cheng-Jeng Tai, Hang Wang, Chien-Kai Wang, Chen-Jei Tai, Ming-Te Huang, Chih-Hsiung Wu, Ray-Jade Chen, Li-Jen Kuo, Po-Lei Wei, Yu-Jia Chang, Chun-Chao Chang, Hung-Yi Chiou, Chang-Jer Wu
Pancreatic cancer remains the fourth leading cause of cancer-related death in the USA with a 5-year survival rate of 5 %. The effects of epidermal growth factor receptor and vascular endothelial growth factor A blockade with chemotherapy on pancreatic tumor growth were examined. Mice bearing human PANC-1 cell xenografts were divided into three groups: T-CR (gemcitabine, cisplatin, and 5-fluorouracil), T-TR (cetuximab, bevacizumab, gemcitabine, cisplatin, and 5-fluorouracil), and vehicle control (T). The therapies were administered via intraperitoneal injections every 4 days for seven cycles from 7 weeks after cancer cell implantation...
May 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/26961690/lenalidomide-potentiates-cd4-cd25-treg-related-suppression-of-lymphoma-b-cell-proliferation
#20
Monika Anna Grygorowicz, Ilona Sara Borycka, Eliza Nowak, Ewa Paszkiewicz-Kozik, Grzegorz Rymkiewicz, Katarzyna Błachnio, Marzena Biernacka, Mateusz Bujko, Jan Walewski, Sergiusz Markowicz
We have previously found that ex vivo expanded human CD4(+)CD25(+)Treg cells suppress proliferation of lymphoma B-cell lines. Here we demonstrate that the immunomodulatory drug lenalidomide potentiates suppression of lymphoma B-cell proliferation by freshly isolated CD4(+)CD25(+)Tregs, as well as suppression by Tregs expanded polyclonally in the presence of rapamycin from CD4(+)CD25(+)T cells or CD4(+)CD25(+)CD127(lo)T cells. The regulation of lymphoma cell proliferation by Tregs pre-expanded with "third-party" allogeneic MoDCs in the presence of rapamycin was also potentiated by lenalidomide...
May 2017: Clinical and Experimental Medicine
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