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https://www.readbyqxmd.com/read/29670848/-teucrium-polium-extract-enhances-the-anti-angiogenesis-effect-of-tranilast-on-human-umbilical-vein-endothelial-cells
#1
Fatemeh Sheikhbahaei, Mozafar Khazaei, Seyed Noureddin Nematollahi-Mahani
Purpose: Angiogenesis plays an important role in numerous pathophysiological events like cancer. As a result of this, tranilast as an anti-fibrotic drug induces the promising antitumor activities through the inhibition of angiogenesis. Further, Teucrium polium (TP) is a herbal medicine (family Lamaceae) with antitumor properties. This study was conducted to investigate the combination effects of tranilast and T. polium on human umbilical vein endothelial cells (HUVECs) viability and apoptotic genes expression...
March 2018: Advanced Pharmaceutical Bulletin
https://www.readbyqxmd.com/read/29660518/hoxb4-knockdown-enhances-the-cytotoxic-effect-of-paclitaxel-and-cisplatin-by-downregulating-abc-transporters-in-ovarian-cancer-cells
#2
Ying Li, Jingli Sun, Shaofeng Gao, Heping Hu, Pengmu Xie
Therapeutic effects of anti-cancer drugs for ovarian cancer were limited due to the rapid development of chemotherapy resistance. The aim of this study was to test whether knockdown of Homeobox B4 (HOXB4) enhanced the cytotoxic effect of paclitaxel and cisplatin in ovarian cancer cells. HOXB4 expressions at mRNA and protein levels were upregulated in Taxol-resistant A2780 (A2780/Taxol) and DDP-resistant SKOV-3 (SKOV-3/DDP) cells. HOXB4 knockdown enhanced the cytotoxic effects of Taxol and DDP in A2780/Taxol and SKOV-3/DDP cells, respectively...
April 13, 2018: Gene
https://www.readbyqxmd.com/read/29655913/germacrone-reverses-adriamycin-resistance-in-human-chronic-myelogenous-leukemia-k562-adm-cells-by-suppressing-mdr1-gene-p-glycoprotein-expression
#3
Jia Pan, Dong Miao, Li Chen
Multidrug resistance (MDR) usually causes chemotherapy failure of chronic myelogenous leukemia (CML). Germacrone is a terpenoid compound and has been reported to reverse MDR in breast cancer cells. However, the effect of germacrone on MDR in CML cells was unknown. The aim of the present study was to evaluate the effect of germacrone on MDR in adriamycin resistance of CML cells. Treatment with a combination of germacrone and adriamycin synergistically inhibited the viability and increased LDH release in K562/ADM cells...
April 12, 2018: Chemico-biological Interactions
https://www.readbyqxmd.com/read/29643811/pristimerin-as-a-novel-hepatoprotective-agent-against-experimental-autoimmune-hepatitis
#4
Dina S El-Agamy, Ahmed A Shaaban, Hamdi H Almaramhy, Sarah Elkablawy, Mohamed A Elkablawy
Pristimerin (Pris) is bioactive natural quinonoid triterpene that has anti-inflammatory and anti-cancer activities. Meanwhile, its effect against hepatitis needs to be elucidated. This investigation aimed to evaluate the ability of Pris to protect against autoimmune hepatitis (AIH). A mouse model of AIH was established using single concanavalin A (Con A) intravenous injection. Mice were treated with Pris at two different doses (0.4 and 0.8 mg/kg) for 5 days prior to Con A challenge. Markers of hepatic injury, oxidative, inflammatory, and apoptotic damage were estimated...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29618430/anti-proliferative-and-anti-inflammatory-activities-of-entophytic-penicillium-crustosum-from-phoenix-dactylifer
#5
Nael Abutaha, Abdelhabib Semlali, Almohannad Baabbad, Muhammed Al-Shami, Mohammad Alanazi, Muhammad A Wadaan
Natural sources have been and will remain an inspiration source for modern chemistry. The current study investigates the antiproliferative and anti-inflammatory action of the ethyl acetate fraction of Penicillium crustosum from Phoenix dactylifera. This paper reports the isolation of P. crustosum from leaves of P. dactylifera and the antiproliferative activities of ethyl acetate fraction on cancer cells. To reach this goal, the anti-proliferation and cytotoxicity effects were evaluated by MTT and LDH assay respectively...
March 2018: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/29615678/protein-bound-nad-p-h-lifetime-is-sensitive-to-multiple-fates-of-glucose-carbon
#6
Joe T Sharick, Peter F Favreau, Amani A Gillette, Sophia M Sdao, Matthew J Merrins, Melissa C Skala
While NAD(P)H fluorescence lifetime imaging (FLIM) can detect changes in flux through the TCA cycle and electron transport chain (ETC), it remains unclear whether NAD(P)H FLIM is sensitive to other potential fates of glucose. Glucose carbon can be diverted from mitochondria by the pentose phosphate pathway (via glucose 6-phosphate dehydrogenase, G6PDH), lactate production (via lactate dehydrogenase, LDH), and rejection of carbon from the TCA cycle (via pyruvate dehydrogenase kinase, PDK), all of which can be upregulated in cancer cells...
April 3, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29614544/-pulmonary-tumor-thrombotic-microangiopathy-in-a-patient-with-metastatic-gastric-cancer
#7
Bijan Zomorodbakhsch, Inna Shaforostova, Robert Fiedler
HISTORY AND CLINICAL FINDINGS:  A 53-year-old woman with relapsed metastatic gastric cancer after multimodal therapy was hospitalized 6 months after the end of treatment due to acute dyspnea. INVESTIGATIONS AND DIAGNOSIS:  The examination showed tachycardia and tachypnea. D-dimers and LDH were elevated, blood gases were still in the standard range. In the CT we could exclude a pulmonary embolism (LE) and pneumonia. The echocardiography (EC) showed no abnormalities...
April 2018: Deutsche Medizinische Wochenschrift
https://www.readbyqxmd.com/read/29607179/modeling-the-relationship-between-baseline-lactate-dehydrogenase-and-prognosis-in-patients-with-extensive-disease-small-cell-lung-cancer-a-retrospective-cohort-study
#8
Liang Zhou, Zhihui Xie, Zhenyi Shao, Wen Chen, Hua Xie, Xin Cui, Guoyou Qin, Naiqing Zhao
Background: Elevated pretreatment lactate dehydrogenase (LDH) has been reported to be associated with poor survival in small cell lung cancer (SCLC). The present study aimed to investigate the continuous relationship between baseline LDH level and survival in patients with extensive-disease SCLC (ED-SCLC). Methods: Data were retrospectively collected from Shanghai Health Information Network. Patients primarily diagnosed as ED-SCLC from April 2011 to August 2014 were eligible for our study...
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29607160/prognostic-significance-of-ct-determined-emphysema-in-patients-with-small-cell-lung-cancer
#9
Hee Young Lee, Eun Young Kim, Young Saing Kim, Hee Kyung Ahn, Yoon Kyung Kim
Background: Although emphysema and small cell lung cancer (SCLC) are prevalent in smokers, no previous study has investigated the prognostic impact of computed tomography (CT)-determined emphysema in SCLC. This study was undertaken to analyze the prognostic value of emphysema scores as determined by baseline CT scans in patients with SCLC. Methods: The data of 149 consecutive patients with SCLC were analyzed. Emphysema severity was semi-quantitatively scored on baseline chest CT images using the Goddard scoring system (possible scores for individual patients ranged from 0 to 24)...
February 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29601482/oxamate-but-not-selective-targeting-of-ldh-a-inhibits-medulloblastoma-cell-glycolysis-growth-and-motility
#10
Cara J Valvona, Helen L Fillmore
Medulloblastoma is the most common malignant paediatric brain tumour and current therapies often leave patients with severe neurological disabilities. Four major molecular groups of medulloblastoma have been identified (Wnt, Shh, Group 3 and Group 4), which include additional, recently defined subgroups with different prognosis and genetic characteristics. Lactate dehydrogenase A (LDHA) is a key enzyme in the aerobic glycolysis pathway, an abnormal metabolic pathway commonly observed in cancers, associated with tumour progression and metastasis...
March 30, 2018: Brain Sciences
https://www.readbyqxmd.com/read/29599412/hyperpolarized-1-13-c-pyruvate-magnetic-resonance-spectroscopic-imaging-of-prostate-cancer-in-vivo-predicts-efficacy-of-targeting-the-warburg-effect
#11
Bradley Scroggins, Masayuki Matsuo, Ayla White, Keita Saito, Jeeva P Munasinghe, Carole Sourbier, Kazutoshi Yamamoto, Vivian Diaz, Kazuhiro Ichikawa, James B Mitchell, Murali K Cherukuri, Deborah E Citrin
PURPOSE:   To evaluate the potential of hyperpolarized [1-13 C]-pyruvate magnetic resonance spectroscopic imaging (MRSI) of prostate cancer as a predictive biomarker for targeting the Warburg effect. EXPERIMENTAL DESIGN:   Two human prostate cancer cell lines (DU145 and PC3) were grown as xenografts.  The conversion of pyruvate to lactate in xenografts was measured with hyperpolarized [1-13 C]-pyruvate MRSI after systemic delivery of [1-13 C] pyruvic acid.  Steady state metabolomic analysis of xenograft tumors was performed with mass spectrometry and steady state lactate concentrations were measured with proton (1 H) MRS...
March 29, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29597306/biocompatibility-of-gd-loaded-chitosan-hyaluronic-acid-nanogels-as-contrast-agents-for-magnetic-resonance-cancer-imaging
#12
Cecilia Virginia Gheran, Guillaume Rigaux, Maité Callewaert, Alexandre Berquand, Michael Molinari, Françoise Chuburu, Sorina Nicoleta Voicu, Anca Dinischiotu
Although the research on nanogels incorporating Gd chelates for theranostic applications has grown exponentially in recent years, knowledge about their biocompatibility is limited. We compared the biocompatibility of Gd-loaded hyaluronic acid-chitosan-based nanogels (GdCA⊂CS-TPP/HA) with two chitosan concentrations (2.5 and 1.5 mg·mL-1 respectively) using SVEC4-10 murine lymph node endothelial cells. The sulforhodamine B method and released lactate dehydrogenase (LDH) activity were used as cell viability tests...
March 28, 2018: Nanomaterials
https://www.readbyqxmd.com/read/29579709/the-novel-piperazine-containing-compound-lqfm018-necroptosis-cell-death-mechanisms-dopamine-d-4-receptor-binding-and-toxicological-assessment
#13
Fabiana Bettanin Costa, Alane P Cortez, Renato Ivan de Ávila, Flávio S de Carvalho, Wanessa M Andrade, Andrezza F da Cruz, Karinna B Reis, Ricardo Menegatti, Luciano M Lião, Luiz Antônio S Romeiro, François Noël, Carlos Alberto M Fraga, Eliezer J Barreiro, Germán Sanz, Marcella F Rodrigues, Boniek G Vaz, Marize Campos Valadares
Piperazine is a promising scaffold for drug development due to its broad spectrum of biological activities. Based on this, the new piperazine-containing compound LQFM018 (2) [ethyl 4-((1-(4-chlorophenyl)-1H-pyrazol-4-yl)methyl)piperazine-1-carboxylate] was synthetized and some biological activities investigated. In this work, we described its ability to bind aminergic receptors, antiproliferative effects as well as the LQFM018 (2)-triggered cell death mechanisms, in K562 leukemic cells, by flow cytometric analyses...
March 23, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29575807/3-aminomethyl-pyridine-chalcone-derivatives-design-synthesis-dna-binding-and-cytotoxic-studies
#14
Sunil Dutt Durgapal, Rina Soni, Shweta Umar, Balakrishnan Suresh, Shubhangi S Soman
Herein we report design, synthesis and anticancer activity of compounds 6a-h and 11a-j. Compounds 6a-f were designed based on 3-aminomethyl pyridine attached to different acetamide derivatives and in compounds 6g-h it was attached to coumarin moiety. Coumarin containing compounds 6g-h showed very poor anticancer activity against both A549 (Lungs cancer cell line), and MCF-7 (Breast cancer cell line) cell lines in MTT assay. Compounds 11a-j were designed as derivatives of 3-aminomethyl pyridine and 4-amino chalcones...
March 25, 2018: Chemical Biology & Drug Design
https://www.readbyqxmd.com/read/29575178/technique-development-of-3d-dynamic-cs-epsi-for-hyperpolarized-13-c-pyruvate-mr-molecular-imaging-of-human-prostate-cancer
#15
Hsin-Yu Chen, Peder E Z Larson, Jeremy W Gordon, Robert A Bok, Marcus Ferrone, Mark van Criekinge, Lucas Carvajal, Peng Cao, John M Pauly, Adam B Kerr, Ilwoo Park, James B Slater, Sarah J Nelson, Pamela N Munster, Rahul Aggarwal, John Kurhanewicz, Daniel B Vigneron
PURPOSE: The purpose of this study was to develop a new 3D dynamic carbon-13 compressed sensing echoplanar spectroscopic imaging (EPSI) MR sequence and test it in phantoms, animal models, and then in prostate cancer patients to image the metabolic conversion of hyperpolarized [1-13 C]pyruvate to [1-13 C]lactate with whole gland coverage at high spatial and temporal resolution. METHODS: A 3D dynamic compressed sensing (CS)-EPSI sequence with spectral-spatial excitation was designed to meet the required spatial coverage, time and spatial resolution, and RF limitations of the 3T MR scanner for its clinical translation for prostate cancer patient imaging...
March 25, 2018: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/29572727/should-we-rely-on-doppler-ultrasound-for-evaluation-of-testicular-solid-lesions
#16
Baris Esen, Muhiddin Önder Yaman, Sümer Baltacı
PURPOSE: Colour Doppler ultrasound (CDUS) is the main radiologic tool to evaluate scrotal masses and intratesticular-vascularised solid lesions are mostly considered malign lesions. Objective of this trial is determine ratio of benign lesions in patients with hypervascularised solid intratesticular lesions. MATERIAL AND METHOD: Patients who underwent radical orchiectomy due to hypervascularised intratesticular solid lesions detected in CDUS are evaluated retrospectively...
March 23, 2018: World Journal of Urology
https://www.readbyqxmd.com/read/29556372/3-epi-12%C3%AE-hydroxyfroside-a-new-cardenolide-induces-cytoprotective-autophagy-via-blocking-the-hsp90-akt-mtor-axis-in-lung-cancer-cells
#17
Yan Sun, Yong-Hao Huang, Feng-Ying Huang, Wen-Li Mei, Quan Liu, Cai-Chun Wang, Ying-Ying Lin, Canhua Huang, Yue-Nan Li, Hao-Fu Dai, Guang-Hong Tan
Rationale: Cardenolides have potential as anticancer drugs. 3'-epi-12β-hydroxyfroside (HyFS) is a new cardenolide structure isolated by our research group, but its molecular mechanisms remain poorly understood. This study investigates the relationship between its antitumor activities and autophagy in lung cancer cells. Methods: Cell growth and proliferation were detected by MTT, lactate dehydrogenase (LDH) release, 5-ethynyl-20-deoxyuridine (EDU) and colony formation assays. Cell apoptosis was detected by flow cytometry...
2018: Theranostics
https://www.readbyqxmd.com/read/29552193/effect-of-hk2-pkm2-and-ldha-on-cetuximab-efficacy-in-metastatic-colorectal-cancer
#18
Haohua Wang, Roujun Peng, Xiuxing Chen, Rui Jia, Chunyue Huang, Yuanyuan Huang, Liangping Xia, Guifang Guo
Although hexokinase (HK) 2, pyruvate kinase muscle (PKM) isozyme 2 and lactate dehydrogenase (LDH) A predict the efficacy of medicines in various solid tumors, their ability to predict the efficacy of cetuximab in metastatic colorectal cancer (mCRC) remains unclear. mCRC patients with pathological specimens who received cetuximab and chemotherapy from 2005 to 2015 in the present institution were enrolled. Immunohistochemistry was used to detect HK2, PKM2 and LDHA expression. SPSS20 was used for statistical analysis...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29545721/clinical-laboratory-and-imaging-evidence-for-effectiveness-of-agarose-agarose-macrobeads-containing-stem-like-cells-derived-from-a-mouse-renal-adenocarcinoma-cell-population-rmbs-in-treatment-resistant-advanced-metastatic-colorectal-cancer-evaluation-of-a-biological
#19
Barry H Smith, Lawrence S Gazda, Thomas J Fahey, Angelica Nazarian, Melissa A Laramore, Prithy Martis, Zoe P Andrada, Joanne Thomas, Tapan Parikh, Sudipta Sureshbabu, Nathaniel Berman, Allyson J Ocean, Richard D Hall, David J Wolf
Objective: The complexity, heterogeneity and capacity of malignant neoplastic cells and tumors for rapid change and evolution suggest that living-cell-based biological-systems approaches to cancer treatment are merited. Testing this hypothesis, the tumor marker, metabolic activity, and overall survival (OS) responses, to the use of one such system, implantable macrobeads [RENCA macrobeads (RMBs)], in phase I and IIa clinical trials in advanced, treatment-resistant metastatic colorectal cancer (mCRC) are described here...
February 2018: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/29535837/an-explorative-analysis-of-the-prognostic-value-of-lactate-dehydrogenase-for-survival-and-the-chemotherapeutic-response-in-patients-with-advanced-triple-negative-breast-cancer
#20
Zhenya Jia, Jian Zhang, Zhonghua Wang, Biyun Wang, Leiping Wang, Jun Cao, Zhonghua Tao, Xichun Hu
Serum lactate dehydrogenase (LDH) level is predictive of prognosis in various malignancies. Nevertheless, the association between the prognosis of patients with advanced triple-negative breast cancer (TNBC) and LDH is not well understood. This explorative and retrospective study was conducted to clarify the issue. We found that abnormal baseline LDH levels (> 250 IU/L) were significantly associated with age (> 40 y vs. ≤ 40 y, OR: 0.383, P = 0.031) and number of metastatic sites (2 vs. 1, OR: 4.619, P = 0...
February 13, 2018: Oncotarget
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