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https://www.readbyqxmd.com/read/28651389/-survey-of-degree-of-passive-smoking-exposure-and-related-risk-awareness-in-adults-in-china-2013
#1
C Li, L M Wang, Z J Huang, Z P Zhao, M Zhang, X Zhang
Objective: To understand the passive smoking exposure level and related risk awareness in adults in China in 2013. Methods: A face-to-face questionnaire survey was conducted in 179 570 adults selected through multistage cluster sampling from Chinese chronic disease and risk factors surveillance sample population (2013) in 302 surveillance sites. The effective sample size was 176 179 adults. After comprehensive weighting of the samples, the passive smoking exposure level and the awareness rate of related risks were analyzed...
May 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
https://www.readbyqxmd.com/read/28651088/genetic-and-epigenetic-alterations-in-normal-and-sensitive-copd-diseased-human-bronchial-epithelial-cells-repeatedly-exposed-to-air-pollution-derived-pm2-5
#2
B Leclercq, A Platel, S Antherieu, L Y Alleman, E M Hardy, E Perdrix, N Grova, V Riffault, B M Appenzeller, M Happillon, F Nesslany, P Coddeville, J-M Lo-Guidice, G Garçon
Even though clinical, epidemiological and toxicological studies have progressively provided a better knowledge of the underlying mechanisms by which air pollution-derived particulate matter (PM) exerts its harmful health effects, further in vitro studies on relevant cell systems are still needed. Hence, aiming of getting closer to the human in vivo conditions, primary human bronchial epithelial cells derived from normal subjects (NHBE) or sensitive chronic obstructive pulmonary disease (COPD)-diseased patients (DHBE) were differentiated at the air-liquid interface...
June 23, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28650890/solitary-choroidal-metastasis-from-lung-adenocarcinoma-on-fdg-pet-ct
#3
Zu-Gui Li
Solitary choroidal metastasis as an initial presentation of lung cancer is rare. A 67-year-old woman who initially presented with a 3-month history of blurred vision in the right eye was suggestive of choroidal melanoma on MRI. Preoperatively, a pulmonary mass was found on x-ray. She was referred for an FDG PET/CT imaging, which revealed a choroidal lesion with minimal FDG uptake in right eye and increased FDG activity in the known lung mass. A pathological diagnosis of metastatic lung adenocarcinoma was made after enucleation of the right eyeball...
June 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28650888/false-positive-uptake-of-radioiodine-in-renal-hamartoma-in-a-patient-with-differentiated-thyroid-cancer
#4
Guohua Shen, Zhongzhi Qi, Rui Huang, Bin Liu, Anren Kuang
A 46-year-old woman with a history of papillary thyroid cancer status post total thyroidectomy underwent the second I radioiodine ablation therapy for lung metastases. Posttherapeutic whole-body I planar images showed diffuse uptake in the lungs and intense focal activity in both sides of the upper abdomen. SPECT/CT of the abdomen localized the uptake in the upper pole of the left kidney and the lower pole of the right kidney. The patient received bilateral partial nephrectomy with pathology demonstrating that these 2 renal lesions were renal hamartomas...
June 24, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28650465/mcu-dependent-mitochondrial-ca-2-inhibits-nad-sirt3-sod2-pathway-to-promote-ros-production-and-metastasis-of-hcc-cells
#5
T Ren, H Zhang, J Wang, J Zhu, M Jin, Y Wu, X Guo, L Ji, Q Huang, H Zhang, H Yang, J Xing
Mitochondrial Ca(2+) signaling, which is strongly dependent on the mitochondrial Ca(2+) uniporter (MCU) complex, has a series of key roles in physiopathological processes, including energy metabolism, reactive oxygen species (ROS) production and cell apoptosis. However, a mechanistic understanding of how the mitochondrial Ca(2+) signaling is remodeled and its functional roles remains greatly limited in cancers, especially in hepatocellular carcinoma. Here we demonstrated that the MCU complex was dysregulated in hepatocellular carcinoma (HCC) cells and significantly correlated with metastasis and poor prognosis of HCC patients...
June 26, 2017: Oncogene
https://www.readbyqxmd.com/read/28650446/exosomes-from-plasmodium-infected-hosts-inhibit-tumor-angiogenesis-in-a-murine-lewis-lung-cancer-model
#6
Y Yang, Q Liu, J Lu, D Adah, S Yu, S Zhao, Y Yao, L Qin, L Qin, X Chen
Previous research to investigate the interaction between malaria infection and tumor progression has revealed that malaria infection can potentiate host immune response against tumor in tumor-bearing mice. Exosomes may play key roles in disseminating pathogenic host-derived molecules during infection because several studies have shown the involvement and roles of extracellular vesicles in cell-cell communication. However, the role of exosomes generated during Plasmodium infection in tumor growth, progression and angiogenesis has not been studied either in animals or in the clinics...
June 26, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28650393/orthotopic-patient-derived-pancreatic-cancer-xenografts-engraft-into-the-pancreatic-parenchyma-metastasize-and-induce-muscle-wasting-to-recapitulate-the-human-disease
#7
Kristina L Go, Daniel Delitto, Sarah M Judge, Michael H Gerber, Thomas J George, Kevin E Behrns, Steven J Hughes, Andrew R Judge, Jose G Trevino
OBJECTIVE: Limitations associated with current animal models serve as a major obstacle to reliable preclinical evaluation of therapies in pancreatic cancer (PC). In an effort to develop more reliable preclinical models, we have recently established a subcutaneous patient-derived xenograft (PDX) model. However, critical aspects of PC responsible for its highly lethal nature, such as the development of distant metastasis and cancer cachexia, remain underrepresented in the flank PDX model...
June 22, 2017: Pancreas
https://www.readbyqxmd.com/read/28649876/myasthenia-gravis-induced-by-nivolumab-in-patients-with-non-small-cell-lung-cancer-a-case-report-and-literature-review
#8
Yoshikazu Hasegawa, Shigeru Kawai, Takayo Ota, Hiroshi Tsukuda, Masahiro Fukuoka
A 76-year-old woman who was diagnosed with non-small-cell lung cancer presented with left eyelid ptosis and grade 4 creatine phosphokinase elevation after the 2nd cycle of nivolumab monotherapy. Nivolumab has demonstrated promising efficacy in patients with non-small-cell lung cancer in several trials. Dyspnea and muscle weakness developed rapidly with an acute exacerbation. She underwent plasmapheresis and intravenous immune globulin followed by treatment with low-dose prednisolone. She had gradual symptoms improvement...
June 26, 2017: Immunotherapy
https://www.readbyqxmd.com/read/28649763/transformations-of-some-sesquiterpene-lactones-by-filamentous-fungi-cytotoxic-evaluations
#9
Arturo Cano-Flores, Guillermo Delgado
Biotransformation is an economically and ecologically viable technology which has been used to modify the structures of many classes of biologically active products. Some fungi may be useful for the biotransformation of sesquiterpene lactones (SLs), leading to unusual structural changes that modify their biological activities, and other transformations mimic their biosynthetic pathways, generating evidences for the proposed biogenesis. Eight filamentous fungi were screened for their ability to transform different SLs (1-9), and microbial reactions yielded compounds 11 -- 18, which in turn have been isolated as natural products, thus mimicking their biosynthesis...
June 26, 2017: Chemistry & Biodiversity
https://www.readbyqxmd.com/read/28649589/data-supporting-the-anticancer-activity-of-posterior-salivary-gland-psg-toxin-from-the-cuttlefish-sepia-pharaonis-ehrenberg-1831
#10
Ramachandran Karthik, Venkatesan Manigandan, Kumar Ebenezar, Raghavan Vijayashree, Ramachandran Saravanan
The data presented illustrated the in vitro anti-proliferative effect of the PSG toxin from the cuttlefish, Sepia pharaonis. The cytostatic potentials of the PSG toxin were determined by the lymphocyte migration inhibition assay. The PSG toxin (50 μg/ml) exhibited commendable inhibition of the migration of lymphocytes across the agarose gel matrix under the presence of lipopolysaccharide mitogen, with a mean migration index of 0.625. The cytotoxicity of the PSG toxin against selected cancer cell lines was determined using the MTT assay...
August 2017: Data in Brief
https://www.readbyqxmd.com/read/28649487/rapid-decrease-of-circulating-tumor-dna-predicted-the-treatment-effect-of-nivolumab-in-a-lung-cancer-patient-within-only-5-days
#11
Yuki Iijima, Yosuke Hirotsu, Kenji Amemiya, Seishi Higashi, Yoshihiro Miyashita, Masao Omata
A 77-year-old Japanese man presented to our hospital with a 1-month history of low back pain and was diagnosed as having stage IV EGFR mutation-positive lung adenocarcinoma. After treatment with EGFR tyrosine kinase inhibitor and cytotoxic chemotherapy, nivolumab was started as fourth-line therapy. Remarkable regression of the primary tumor was observed, suggesting high anti-tumor activity of nivolumab. We retrospectively investigated the change in circulating tumor DNA (ctDNA) variant allele fractions in serial plasma samples before and after the nivolumab therapy...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28649460/pulmonary-diseases-induced-by-ambient-ultrafine-and-engineered-nanoparticles-in-twenty-first-century
#12
Tian Xia, Yifang Zhu, Lina Mu, Zuo-Feng Zhang, Sijin Liu
Air pollution is a severe threat to public health globally, affecting everyone in developed and developing countries alike. Among different air pollutants, particulate matter (PM), particularly combustion-produced fine PM (PM2.5) has been shown to play a major role in inducing various adverse health effects. Strong associations have been demonstrated by epidemiological and toxicological studies between increases in PM2.5 concentrations and premature mortality, cardiopulmonary diseases, asthma and allergic sensitization, and lung cancer...
December 2016: National Science Review
https://www.readbyqxmd.com/read/28649432/an-individual-based-model-for-collective-cancer-cell-migration-explains-speed-dynamics-and-phenotype-variability-in-response-to-growth-factors
#13
Damian Stichel, Alistair M Middleton, Benedikt F Müller, Sofia Depner, Ursula Klingmüller, Kai Breuhahn, Franziska Matthäus
Collective cell migration is a common phenotype in epithelial cancers, which is associated with tumor cell metastasis and poor patient survival. However, the interplay between physiologically relevant pro-migratory stimuli and the underlying mechanical cell-cell interactions are poorly understood. We investigated the migratory behavior of different collectively migrating non-small cell lung cancer cell lines in response to motogenic growth factors (e.g. epidermal growth factor) or clinically relevant small compound inhibitors...
2017: NPJ Systems Biology and Applications
https://www.readbyqxmd.com/read/28649131/blocking-the-utilization-of-glucose-induces-the-switch-from-senescence-to-apoptosis-in-pseudolaric-acid-b-treated-human-lung-cancer-cells-in-vitro
#14
Guo-Dong Yao, Jing Yang, Xiu-Xiu Li, Xiao-Yu Song, Toshihiko Hayashi, Shin-Ichi Tashiro, Satoshi Onodera, Shao-Jiang Song, Takashi Ikejima
Pseudolaric acid B (PAB), a diterpene acid isolated from the root bark of Pseudolarix kaempferi Gordon, exerts anti-tumor effects in several cancer cell lines. Our previous study showed that PAB mainly induced senescence via p53-p21 activation rather than apoptosis in suppression of the growth of human lung cancer A549 cells (p53 wild-type). In p53-null human lung cancer H1299 cells, however, PAB caused apoptosis without senescence. In this study we investigated what mechanism was responsible for the switch from senescence to apoptosis in PAB-treated human lung cancer cell lines...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28649130/dopamine-d2-receptor-antagonist-sulpiride-enhances-dexamethasone-responses-in-the-treatment-of-drug-resistant-and-metastatic-breast-cancer
#15
Jian Li, Qing-Yu Yao, Jun-Sheng Xue, Li-Jie Wang, Yin Yuan, Xiu-Yun Tian, Hong Su, Si-Yuan Wang, Wen-Jun Chen, Wei Lu, Tian-Yan Zhou
Recent evidence shows that dopamine D2-like receptor (D2DR) antagonists, such as trifluoperazine and thioridazine, are effective for cancer therapy and inhibition of cancer stem-like cells (CSCs). In this study, we investigated the anti-cancer effects of combination therapy of dexamethasone (DEX) and sulpiride (SUL), an atypical antipsychotic, against drug-resistant and metastatic breast cancers and further explored the underlying mechanisms. Oral administration of SUL (25, 100 mg·kg(-1)·d(-1)) alone did not inhibit the tumor growth in human breast cancer MCF-7/Adr xenograft model, but dose-dependently decreased the proportion of CSCs in vitro and in vivo...
June 26, 2017: Acta Pharmacologica Sinica
https://www.readbyqxmd.com/read/28649078/3-4-chlorophenyl-1-2-3-oxadiazol-3-ium-5-olate-and-its-4-formyl-analog-ultrasound-assisted-synthesis-and-in-vitro-anticancer-evaluation-against-human-tumor-cell-lines
#16
Sachin K Bhosale, Shreenivas R Deshpande, Rajendra D Wagh
The title compound, 3-(4-chlorophenyl)-4-formyl-[1, 2, 3] oxadiazol-3-ium-5-olate 5 was synthesized under ultrasonication by formylation of 3-(4-chlorophenyl)-[1, 2, 3] oxadiazol-3-ium-5-olate 4 and characterized by spectral studies. The ultrasonic method of synthesis was found to be simple, ecofriendly, economical, reduces reaction time and gave good yield when compared with traditional methods of synthesis. Anticancer activity of the compounds were tested against 60 human tumor cell lines and compared with standard drug vincristine sulphate...
March 2017: Pakistan Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28648953/synthesis-of-thiazole-linked-indolyl-3-glyoxylamide-derivatives-as-tubulin-polymerization-inhibitors
#17
Sravanthi Devi Guggilapu, Lalita Guntuku, T Srinivasa Reddy, Atulya Nagarsenkar, Dilep Kumar Sigalapalli, V G M Naidu, Suresh K Bhargava, Nagendra Babu Bathini
A series of thiazole linked indolyl-3-glyoxylamide derivatives were synthesized and evaluated for their in vitro cytotoxic activity against DU145 (prostate), PC-3 (prostate), A549 (lung) and HCT-15 (colon) cancer cell lines by employing the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Among all the synthesized compounds, compound 13d displayed cytotoxicity of IC50 = 93 nM towards DU145 cancer cell line. The most active compound 13d was also tested on RWPE-1 cells and was found to be safe compared to the DU145 cells...
June 15, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28648948/randomized-phase-ii-study-comparing-prophylactic-cranial-irradiation-alone-to-prophylactic-cranial-irradiation-and-consolidative-extra-cranial-irradiation-for-extensive-disease-small-cell-lung-cancer-ed-sclc-nrg-oncology-rtog-0937
#18
Elizabeth M Gore, Chen Hu, Alexander Y Sun, Daniel F Grimm, Suresh S Ramalingam, Neal E Dunlap, Kristin A Higgins, Maria Werner-Wasik, Aaron M Allen, Puneeth Iyengar, Gregory M M Videtic, Russell K Hales, Ronald C McGarry, James J Urbanic, Anthony T Pu, Candice A Johnstone, Volker W Stieber, Rebecca Paulus, Jeffrey D Bradley
INTRODUCTION: RTOG-0937 is a randomized phase-II trial evaluating 1-year OS with PCI or PCI plus consolidative radiation therapy (cRT) to intra-thoracic disease and extracranial metastases for ED-SCLC. METHODS: Patients with 1-4 extracranial metastases were eligible after CR or PR to chemotherapy. Randomization was to PCI or PCI+cRT to the thorax and metastases. Original stratification included PR vs CR after chemotherapy and 1 vs 2-4 metastases; age < 65 vs > 65 was added after an observed imbalance...
June 22, 2017: Journal of Thoracic Oncology
https://www.readbyqxmd.com/read/28648905/antibodies-against-immune-checkpoint-molecules-restore-functions-of-tumor-infiltrating-t-cells-in-hepatocellular-carcinomas
#19
Guoying Zhou, Dave Sprengers, Patrick P C Boor, Michail Doukas, Hannah Schutz, Shanta Mancham, Alexander Pedroza-Gonzalez, Wojciech G Polak, Jeroen de Jonge, Marcia Gaspersz, Haidong Dong, Kris Thielemans, Qiuwei Pan, Jan N M IJzermans, Marco J Bruno, Jaap Kwekkeboom
BACKGROUND & AIMS: Ligand binding to inhibitory receptors on immune cells, such as programmed cell death 1 (PD-1) and cytotoxic T-lymphocyte associated protein 4 (CTLA4), downregulates the T-cell-mediated immune response (called immune checkpoints). Antibodies that block these receptors increase anti-tumor immunity in patients with melanoma, non-small cell lung cancer, and renal cell cancer. Tumor-infiltrating CD4(+) and CD8(+) T cells in patients with hepatocellular carcinoma (HCC) have been found to be functionally compromised...
June 22, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28648755/high-expression-of-long-noncoding-rna-malat1-indicates-a-poor-prognosis-and-promotes-clinical-progression-and-metastasis-in%C3%A2-bladder-cancer
#20
Chao Li, Yu Cui, Long-Fei Liu, Wen-Biao Ren, Qia-Qia Li, Xu Zhou, Yang-Le Li, Yang Li, Xiang-Yang Bai, Xiong-Bing Zu
BACKGROUND: Recent studies have demonstrated that the expression of long noncoding RNA metastasis-associated lung adenocarcinoma transcript 1 (MALAT1) promotes cancer cell proliferation, invasion, and metastasis in many tumor types, but the association between bladder cancer and MALAT1 remains unknown. MATERIALS: The expression of MALAT1 was tested by in situ hybridization (ISH) in 120 bladder cancer specimens. The association between MALAT1 expression and clinicopathological features and prognosis of the patients with bladder cancer was analyzed...
May 10, 2017: Clinical Genitourinary Cancer
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