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https://www.readbyqxmd.com/read/29334666/effects-of-berberine-chloride-on-the-liver-of-streptozotocin-induced-diabetes-in-albino-wistar-rats
#1
Govindasami Chandirasegaran, Chakkaravarthy Elanchezhiyan, Kavisa Ghosh
The goal of the present study is to evaluate the effect of Berberine chloride (BC) on the liver of streptozotocin (STZ) induced diabetic rat. Diabetic rats were treated with BC (50 mg/kg b.w) or glibenclamide (6 mg/kg b.w), daily for 45 days. After BC treatment in diabetic rats, there was a significant (P < 0.05) decline in the levels of hepatic markers, lipid peroxidation markers such as lipid hydroperoxides (LOOH) and thiobarbituric acid reactive substances (TBARS), and pro-inflammatory mediators like tumor necrosis factor-alpha (TNF-α), phosphorylated nuclear factor kappa-B-p65 (phospho-NF-κB p65), cyclooxygenase (COX-2), nitric oxide synthase (iNOS) as well as pro-apoptotic mediators such as Bax and cytochrome c...
January 12, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29333928/phosphorylation-of-stat3-promotes-vasculogenic-mimicry-by-inducing-epithelial-to-mesenchymal-transition-in-colorectal-cancer
#2
Cong Han, Baocun Sun, Xiulan Zhao, Yanhui Zhang, Qiang Gu, Fang Liu, Nan Zhao, Lili Wu
Vasculogenic mimicry refers to the process by which highly invasive cancer cells mimic endothelial cells by forming blood channels. Vasculogenic mimicry is important for the invasion and metastasis of tumor cells in colorectal cancer. STAT3 was initially identified as a mediator of the inflammation-associated acute phase response. The phosphorylation of Signal Transducers and Activators of Transcription 3 (p-STAT3) is closely related to tumor invasion and migration. We analyzed the relationship between p-STAT3 and vasculogenic mimicry formation in 65 human colorectal cancer samples, and the results showed that the expression of p-STAT3 is significantly correlated with vasculogenic mimicry, tumor metastasis, Tumor, Lymph Node and Metastasis Stage (TNM Stage), and poor prognosis...
December 2017: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29333916/cytoplasmic-collagen-xi%C3%AE-i-as-a-prognostic-biomarker-in-esophageal-squamous-cell-carcinoma
#3
Bohan Zhang, Cheng Zhang, Xuetao Yang, Yue Chen, Hongqi Zhang, Jingshu Liu, Qingchen Wu
Stromal/cytoplasmic collagen XIαI (COL11A1) has been highlighted in the process of neoplastic transformation, including epithelial mensenchymal transition (EMT), metastasis and invasiveness. In this study, we aim to illuminate the clinical significance and biological role of COL11A1 in esophageal squamous cell carcinoma (ESCC). Herein, we investigated COL11A1 expression in 16 pairs of ESCC and adjacent normal tissues by RT-PCR and western blotting analysis. Correlations of COL11A1 expression with clinicopathologic parameters and survival status were then determined by immunohistochemistry in 116 ESCC and 50 normal specimens...
January 15, 2018: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29333406/stat3-expression-is-associated-with-poor-survival-in-non-elderly-adult-patients-with-newly-diagnosed-multiple-myeloma
#4
Sung-Hoon Jung, Seo-Yeon Ahn, Hyun-Woo Choi, Myung-Geun Shin, Seung-Shin Lee, Deok-Hwan Yang, Jae-Sook Ahn, Yeo-Kyeoung Kim, Hyeoung-Joon Kim, Je-Jung Lee
Background: Signal transducer and activator of transcription 3 (STAT3) is not only a key signaling molecule in the regulation of growth but is also involved in malignant transformation. We investigated the prognostic significance of STAT3 expression in 94 non-elderly adult patients (aged 38 to 65 yr) with newly diagnosed multiple myeloma (MM). Methods: Tumor cell-specific phosphotyrosine-STAT3 (PY-STAT3) expression at the time of diagnosis was evaluated with dual immunohistochemical (IHC) staining for PY-STAT3 and CD138...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29333115/clinical-significance-of-fluorine-18-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-in-the-follow-up-of-colorectal-cancer-searching-off-approaches-increasing-specificity-for-detection-of-recurrence
#5
Semra Ince, Kursat Okuyucu, Oguz Hancerliogulları, Engin Alagoz, Huseyin San, Nuri Arslan
Background: Nearly 40% of colorectal cancer (CRC) recurs within 2 years after resection of primary tumor. Imaging with fluorine-18-fluorodeoxyglucose (l8F-FDG) positron emission tomography/computed tomography (PET/CT) is the most recent modality and often applied for the evaluation of metastatic spread during the follow-up period. Our goal was to study the diagnostic importance of 18F-FDG-PET/CT data of maximum standardized uptake value (SUVmax), total lesion glycolysis (TLG) and the difference of SUVmax on dual-time imaging in CRC...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29333017/correlation-of-hormone-receptor-and-human-epidermal-growth-factor-receptor-2-neu-expression-in-breast-cancer-with-various-clinicopathologic-factors
#6
Cherry Bansal, Aarti Sharma, Mukta Pujani, Meenu Pujani, Kiran Lata Sharma, A N Srivastava, U S Singh
Background: A significant development in the breast carcinoma management is the correlation between the presence of hormone receptors in the tumor and response to hormonal therapy and chemotherapy. Human epidermal growth factor receptor-2/neu (Her-2/neu) overexpression also serves as a very useful parameter to predict response to herceptin. Aim of Study: The study was conducted to correlate immunohistochemical expression of markers such as estrogen receptor (ER), progesterone receptor (PR), and Her-2/neu with various clinicopathologic parameters...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29333007/utility-of-cluster-of-differentiation-5-and-cluster-of-differentiation-117-immunoprofile-in-distinguishing-thymic-carcinoma-from-pulmonary-squamous-cell-carcinoma-a-study-on-1800-nonsmall-cell-lung-cancer-cases
#7
Vidya Jha, Preeti Sharma, Ashish Kumar Mandal
Background: Mediastinum harbors a mixed bag of neoplastic lesions with varied therapeutic and prognostic implications. Distinguishing pulmonary squamous cell carcinoma from thymic carcinoma is a challenging task owing to rather nonspecific clinicoradiological features and a considerable overlap in histomorphological features. Thus, we evaluated the diagnostic utility of cluster of differentiation 5 (CD5) and CD117 immunohistochemical markers in distinguishing these tumors. Materials and Methods: The archives of department of histopathology were retrospectively reviewed from June 2012 to May 2016...
October 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29332347/genetically-engineered-bone-marrow-derived-mesenchymal-stem-cells-co-expressing-ifn-%C3%AE-and-il-10-inhibit-hepatocellular-carcinoma-by-modulating-mapk-pathway
#8
Hao Wang, Jun Wang, Xiaolei Shi, Yitao Ding
PURPOSE: One of the major challenges in delivering cytokines for the treatment of hepatocellular carcinoma (HCC) is the mode of delivery. This study hypothesized that genetically engineered bone marrow derived mesenchymal stem cells (BMSCs) co-expressing IFN-γ and IL-10 can serve as a potential therapeutic strategy in the treatment of HCC by inhibiting cell proliferation. METHODS: Male Sprague-Dawley rats (n=5, 200-250 g) for BMSCs isolation and Nude/SCID mice (n=35,12-20g) to develop liver cancer xenograft model were used...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29332262/tumor-expression-of-survivin-p53-cyclin-d1-osteopontin-and-fibronectin-in-predicting-the-response-to-neo-adjuvant-chemotherapy-in-children-with-advanced-malignant-peripheral-nerve-sheath-tumor
#9
Gabrielle Karpinsky, Malgorzata A Krawczyk, Ewa Izycka-Swieszewska, Aleksandra Fatyga, Agnieszka Budka, Walentyna Balwierz, Grazyna Sobol, Beata Zalewska-Szewczyk, Magdalena Rychlowska-Pruszynska, Teresa Klepacka, Bozenna Dembowska-Baginska, Bernarda Kazanowska, Anna Gabrych, Ewa Bien
PURPOSE: Selected cell-cycle regulators and extracellular matrix proteins were found to play roles in malignant peripheral nerve sheath tumor (MPNST) biology. We aimed to analyze whether initial tumor tissue expressions of survivin, p53, cyclin D1, osteopontin (OPN) and fibronectin (FN) correlate with the response to neo-adjuvant CHT (naCHT) in children with advanced inoperable MPNST. METHODS: The study included 26 children with MPNST (M/F 14/12, median age 130 months) treated in Polish centers of pediatric oncology between 1992 and 2013...
January 13, 2018: Journal of Cancer Research and Clinical Oncology
https://www.readbyqxmd.com/read/29331888/a-longitudinal-analysis-of-ido-and-pdl1-expression-during-immune-or-targeted-therapy-in-advanced-melanoma
#10
Lukas Krähenbühl, Simone M Goldinger, Joanna Mangana, Katrin Kerl, Ines Chevolet, Liève Brochez, Christine Horak, Mitch Levesque, Reinhard Dummer, Phil F Cheng
A deepened understanding of the cellular and molecular processes in the tumor microenvironment is necessary for the development of precision immunotherapy (IT). We simultaneously investigated CD3, PDL1, and IDO by immunohistochemistry in paired biopsies from various organs of 43 metastatic melanoma patients treated with IT and targeted therapy (TT). Intraindividual biopsies taken after a period of weeks to months demonstrate discordant results in 30% of the cases. Overlap of IDO and PDL1 increased after therapy...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29331886/anti-cancer-effects-of-hnha-and-lenvatinib-by-the-suppression-of-emt-mediated-drug-resistance-in-cancer-stem-cells
#11
Yong Sang Lee, Seok-Mo Kim, Bup-Woo Kim, Ho Jin Chang, Soo Young Kim, Cheong Soo Park, Ki Cheong Park, Hang-Seok Chang
Anaplastic thyroid cancer (ATC) constitutes less than 2% of total thyroid cancers but accounts for 20-40% of thyroid cancer-related deaths. Cancer stem cell drug resistance represents a primary factor hindering treatment. This study aimed to develop targeted agents against thyroid malignancy, focusing on individual and synergistic effects of HNHA (histone deacetylase), lenvatinib (FGFR), and sorafenib (tyrosine kinase) inhibitors. Patients with biochemically and histologically proven papillary thyroid cancer (PTC) and ATC were included...
January 11, 2018: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/29331760/inotodiol-suppresses-proliferation-of-breast-cancer-in-rat-model-of-type-2-diabetes-mellitus-via-downregulation-of-%C3%AE-catenin-signaling
#12
Xia Zhang, Cuiyu Bao, Jingping Zhang
Breast cancer is amongst the most common cancers causing death of women worldwide. Breast cancer occurrence is more prominent in people with diabetes. A recent trend is management of diabetes and cancer has evolved to be natural remedy including single molecule therapy or combination. In this study, we investigated the effect of inotodiol on breast cancer growth in diabetic conditions. Inotodiol is a lanostane triterpenoid found in natural resources like edible mushroom Inonotus obliquus. We established a rat model of diabetic-breast cancer by treating female Sprague-Dawley rats with streptazotocin (STZ) at 35 mg/kg followed by induction of breast cancer by administration of 7,12-dimethylbenz(a)anthracene (DMBA) at 10 mg/kg...
January 10, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29331723/progesterone-arrested-cell-cycle-progression-through-progesterone-receptor-isoform-a-in-pancreatic-neuroendocrine-neoplasm
#13
Samaneh Yazdani, Atsuko Kasajima, Yoshiaki Onodera, Keely May McNamara, Kazue Ise, Yasuhiro Nakamura, Tomoyoshi Tachibana, Fuyuhiko Motoi, Michiaki Unno, Hironobu Sasano
In pancreatic neuroendocrine neoplasms (Pan-NEN) progesterone signaling has been shown to have both inhibitory and stimulatory effects on cell proliferation. The ability of progesterone to inhibit tumor proliferation is of particular interest and is suggested to be mediated through the less abundantly expressed progesterone receptor (PR) isoform A (PRA). To date the mechanistic processes underlying this inhibition of proliferation remain unclear. To examine the mechanism of PRA actions, the human Pan-NEN cell line QGP-1, that endogenously expresses PR isoform B (PRB) without PRA, was transfected with PRA...
January 10, 2018: Journal of Steroid Biochemistry and Molecular Biology
https://www.readbyqxmd.com/read/29331588/antagonism-of-cysteinyl-leukotriene-receptor-1-cysltr1-by-montelukast-suppresses-cell-senescence-of-chondrocytes
#14
Wei Song, Yumin Zhang, Jun Wang, Tao Ma, Linjie Hao, Kunzheng Wang
Aging is closely associated with osteoarthritis (OA). Although its underlying mechanisms remain unknown, cellular senescence in chondrocytes has become an important therapeutic target for the treatment of OA. Cysteinyl leukotriene receptors (cysLTRs) mediate the pathobiological function of cysteinyl leukotrienes (cysLTs). However, the roles of cysLTRs in the pathogenesis of OA have not been reported before. In the current study, we found that cysLTR1 but not cysLTR2 is expressed in human primary chondrocytes...
January 10, 2018: Cytokine
https://www.readbyqxmd.com/read/29330434/targeting-melanoma-stem-cells-with-the-vitamin-e-derivative-%C3%AE-tocotrienol
#15
Monica Marzagalli, Roberta Manuela Moretti, Elio Messi, Marina Montagnani Marelli, Fabrizio Fontana, Alessia Anastasia, Maria Rosa Bani, Giangiacomo Beretta, Patrizia Limonta
The prognosis of metastatic melanoma is very poor, due to the development of drug resistance. Cancer stem cells (CSCs) may play a crucial role in this mechanism, contributing to disease relapse. We first characterized CSCs in melanoma cell lines. We observed that A375 (but not BLM) cells are able to form melanospheres and show CSCs traits: expression of the pluripotency markers SOX2 and KLF4, higher invasiveness and tumor formation capability in vivo with respect to parental adherent cells. We also showed that a subpopulation of autofluorescent cells expressing the ABCG2 stem cell marker is present in the A375 spheroid culture...
January 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29330294/establishment-of-the-first-well-differentiated-human-pancreatic-neuroendocrine-tumor-model
#16
Daniel Benten, Yasmin Behrang, Ludmilla Unrau, Victoria Weissmann, Gerrit Wolters-Eisfeld, Susanne Burdak-Rothkamm, Felix R Stahl, Martin Anlauf, Patricia Grabowski, Markus Möbs, Jan Dieckhoff, Bence Sipos, Martina Fahl, Corinna Eggers, Daniel Perez, Maximilian Bockhorn, Jakob R Izbicki, Ansgar W Lohse, Joerg Schrader
Clinical options for systemic therapy of neuroendocrine tumors (NET) are limited. Development of new drugs requires suitable representative in vitro and in vivo model systems. So far, the unavailability of a human model with a well-differentiated phenotype and typical growth characteristics has impaired pre-clinical research in NET. Herein, we establish and characterize a lymph node-derived cell line (NT-3) from a male patient with well-differentiated pancreatic NET. Neuroendocrine differentiation and tumor biology was compared to existing NET cell lines BON and QGP-1...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29330256/osteoprotegerin-is-associated-with-major-bleeding-but-not-with-cardiovascular-outcomes-in-patients-with-acute-coronary-syndromes-insights-from-the-plato-platelet-inhibition-and-patient-outcomes-trial
#17
Thor Ueland, Axel Åkerblom, Tatevik Ghukasyan, Annika E Michelsen, Pål Aukrust, Richard C Becker, Maria Bertilsson, Anders Himmelmann, Stefan K James, Agneta Siegbahn, Robert F Storey, Frederic Kontny, Lars Wallentin
BACKGROUND: Elevated levels of osteoprotegerin, a secreted tumor necrosis factor-related molecule, might be associated with adverse outcomes in patients with coronary artery disease. We measured plasma osteoprotegerin concentrations on hospital admission, at discharge, and at 1 and 6 months after discharge in a predefined subset (n=5135) of patients with acute coronary syndromes in the PLATO (Platelet Inhibition and Patient Outcomes) trial. METHODS AND RESULTS: The associations between osteoprotegerin and the composite end point of cardiovascular death, nonprocedural spontaneous myocardial infarction or stroke, and non-coronary artery bypass grafting major bleeding during 1 year of follow-up were assessed by Cox proportional hazards models...
January 12, 2018: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29330207/early-assessment-of-lung-cancer-immunotherapy-response-via-circulating-tumor-dna
#18
Sarah B Goldberg, Azeet Narayan, Adam J Kole, Roy H Decker, Jimmitti Teysir, Nicholas J Carriero, Angela Lee, Roxanne Nemati, Sameer K Nath, Shrikant M Mane, Yanhong Deng, Nitin Sukumar, Daniel Zelterman, Daniel J Boffa, Katerina Politi, Scott Gettinger, Lynn D Wilson, Roy S Herbst, Abhijit A Patel
PURPOSE: Decisions to continue or suspend therapy with immune checkpoint inhibitors are commonly guided by tumor dynamics seen on serial imaging.  However, immunotherapy responses are uniquely challenging to interpret because tumors often shrink slowly or can appear transiently enlarged due to inflammation.  We hypothesized that monitoring tumor cell death in real-time by quantifying changes in circulating tumor DNA (ctDNA) levels could enable early assessment of immunotherapy efficacy...
January 12, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29330202/high-risk-tp53-mutations-are-associated-with-extra-nodal-extension-ene-in-oral-cavity-squamous-cell-carcinoma-oscc
#19
Vlad C Sandulache, Chieko Michikawa, Pranav Kataria, Frederico O Gleber-Netto, Diana Bell, Sanchit Trivedi, Xiayu Rao, Jing Wang, Mei Zhao, Samar A Jasser, Jeffrey N Myers, Curtis R Pickering
PURPOSE:   Development of extra-nodal extension (ENE) has been associated with poor survival in patients with oral cavity squamous cell carcinoma (OSCC). Here we sought to confirm the role of ENE as a poor prognostic factor, and identify genomic and epigenetic markers of ENE in order to develop a predictive model and improve treatment selection. EXPERIMENTAL DESIGN: An institutional cohort (University of Texas MD Anderson Cancer Center) was utilized to confirm the impact of ENE on clinical outcomes and evaluate the genomic signature of primary and ENE containing tissue...
January 12, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29330143/breast-cancer-targeting-through-inhibition-of-the-endoplasmic-reticulum-based-apoptosis-regulator-nrh-bcl2l10
#20
Adrien Nougarede, Nikolay Popgeorgiev, Loay Kassem, Soleilmane Omarjee, Stephane Borel, Ivan Mikaelian, Jonathan Lopez, Rudy Gadet, Olivier Marcillat, Isabelle Treilleux, Bruno O Villoutreix, Ruth Rimokh, Germain Gillet
Drug resistance and metastatic relapse remain a top challenge in breast cancer treatment. In this study, we present preclinical evidence for a strategy to eradicate advanced breast cancers by targeting the BCL2 homolog Nrh/BCL2L10, which we discovered to be overexpressed in >45% of a large cohort of breast invasive carcinomas. Nrh expression in these tumors correlated with reduced metastasis-free survival and we determined it to be an independent marker of poor prognosis. Nrh protein localized to the endoplasmic reticulum (ER)...
January 12, 2018: Cancer Research
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