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https://www.readbyqxmd.com/read/28087967/periampullary-carcinoma-with-penile-metastasis
#1
W C Pui, N A Nik Azim
Periampullary carcinoma metastases are usually located at regional nodes, adjacent organs, liver or lung. On the other hand, metastatic penile cancer is uncommon. Penile metastasis usually originates from pelvic region with prostate and bladder being the most frequent primary location. We present a very rare case of periampullary carcinoma with penile metastasis in a 49-year-old man. He initially presented with early ampullary type periampullary carcinoma and had pyloric preserving pancreatoduodenectomy and adjuvant chemotherapy...
December 2016: Medical Journal of Malaysia
https://www.readbyqxmd.com/read/28087861/jolkinolide-a-and-jolkinolide-b-inhibit-proliferation-of-a549-cells-and-activity-of-human-umbilical-vein-endothelial-cells
#2
Lei Shen, Shan-Qiang Zhang, Lei Liu, Yu Sun, Yu-Xuan Wu, Li-Ping Xie, Ji-Cheng Liu
BACKGROUND Jolkinolide A (JA) and Jolkinolide B (JB) are diterpenoids extracted from the roots of Euphorbia fischeriana Steud and have been shown to have anti-tumor activity. However, their effects on the ability of tumor cells to invade blood vessels and metastasize remain largely unknown. Investigations into the effects of JA and JB on the angiogenesis of tumor tissues may facilitate the identification of new natural drugs with anti-tumor growth and metastasis activities. MATERIAL AND METHODS We used different concentrations of JA and JB (20 μg/ml, 40 μg/ml, 60 μg/ml, 80 μg/ml, and 100 μg/ml) to stimulate A549 cells and then studied the effects on the growth and metastasis of lung cancers...
January 14, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28087835/study-of-tio2-p25-nanoparticles-genotoxicity-on-lung-blood-and-liver-cells-in-lung-overload-and-non-overload-conditions-after-repeated-respiratory-exposure-in-rats
#3
Charlène Relier, Marielle Dubreuil, Omar Lozano Garcia, Eugenia Cordelli, Jorge Mejia, Patrizia Eleuteri, Franck Robidel, Thomas Loret, Francesca Pacchierotti, Stéphane Lucas, Ghislaine Lacroix, Bénédicte Trouiller
Inhaled titanium dioxide (TiO2) nanoparticles (NPs) can have negative health effects, and have been shown to cause respiratory tract cancer in rats. Inflammation has been linked to oxidative stress, and both have been described as possible mechanisms for genotoxicity of NPs, but rarely examined side-by-side in animal studies. In the present study, a wide range of complementary endpoints have been performed to study TiO2 P25 NP-induced genotoxicity in lung overload and non-overload conditions. Additionally, lung burden, inflammation, cytotoxicity and oxidative stress have also been evaluated in order to link genotoxicity with these responses...
January 13, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28087642/stxbp4-drives-tumor-growth-and-is-associated-with-poor-prognosis-through-pdgf-receptor-signaling-in-lung-squamous-cell-carcinoma
#4
Yukihiro Otaka, Susumu Rokudai, Kyoichi Kaira, Michiru Fujieda, Ikuko Horikoshi, Reika Kawabata, Shinji Yoshiyama, Takehiko Yokobori, Yoichi Ohtaki, Kimihiro Shimizu, Tetsunari Oyama, Jun'ichi Tamura, Carol Prives, Masahiko Nishiyama
PURPOSE: Expression of the ΔN isoform of p63 (ΔNp63) is a diagnostic marker highly specific for lung squamous cell carcinoma (SCC). We previously found that Syntaxin Binding Protein 4 (STXBP4) regulates ΔNp63 ubiquitination, suggesting that STXBP4 may also be a SCC biomarker. To address this issue, we investigated the role of STXBP4 expression in SCC biology and the impact of STXBP4 expression on SCC prognosis. EXPERIMENTAL DESIGN: We carried out a clinicopathological analysis of STXBP4 expression in 87 lung SCC patients...
January 13, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28087510/effectiveness-of-flexible-sigmoidoscopy-screening-in-men-and-women-and-different-age-groups-pooled-analysis-of-randomised-trials
#5
Øyvind Holme, Robert E Schoen, Carlo Senore, Nereo Segnan, Geir Hoff, Magnus Løberg, Michael Bretthauer, Hans-Olov Adami, Mette Kalager
OBJECTIVE:  To compare the effectiveness of flexible sigmoidoscopy in screening for colorectal cancer by patient sex and age. DESIGN:  Pooled analysis of randomised trials (the US Prostate, Lung, Colorectal and Ovarian cancer screening trial (PLCO), the Italian Screening for Colon and Rectum trial (SCORE), and the Norwegian Colorectal Cancer Prevention trial (NORCCAP)). DATA SOURCES:  Aggregated data were pooled from each randomised trial on incidence of colorectal cancer and mortality stratified by sex, age at screening, and colon subsite (distal v proximal)...
January 13, 2017: BMJ: British Medical Journal
https://www.readbyqxmd.com/read/28087132/practice-patterns-of-thoracic-radiotherapy-for-extensive-stage-small-cell-lung-cancer-survey-of-us-academic-thoracic-radiation-oncologists
#6
Carl M Post, Vivek Verma, Timur Mitin, Charles B Simone
PURPOSE: Despite the recent CREST trial demonstrating a survival benefit to thoracic radiotherapy (TRT) for patients with extensive-stage small-cell lung cancer (ES-SCLC) with response to chemotherapy, as well as endorsement by current National Comprehensive Cancer Network guidelines, TRT may not be uniformly delivered in clinical practice across all circumstances. METHODS AND MATERIALS: We surveyed US academic thoracic radiation oncologists regarding their practice patterns for TRT and assessed conditions in which withholding TRT could be warranted...
December 22, 2016: Clinical Lung Cancer
https://www.readbyqxmd.com/read/28087071/development-of-delineation-for-the-left-anterior-descending-coronary-artery-region-in-left-breast-cancer-radiotherapy-an-optimized-organ-at-risk
#7
Jie Lee, Kai-Lung Hua, Shih-Ming Hsu, Jhen-Bin Lin, Chou-Hsien Lee, Kuo-Wei Lu, Kun-Yao Dai, Xu-Nian Huang, Jun-Zhao Huang, Meng-Hao Wu, Yu-Jen Chen
BACKGROUND AND PURPOSE: The left anterior descending coronary artery (LAD) and diagonal branches (DBs) are blurred on computed tomography (CT). We aimed to define the LAD region (LADR) with adequate inclusion of the LAD and DBs and contouring consistency. METHODS AND MATERIALS: The LADR was defined using coronary CT angiograms. The inclusion ratio was used to assess the LAD and DBs inclusion by the LADR. Four radiation oncologists delineated the LAD and LADR, using contrast-enhanced CT of 15 patients undergoing left breast radiotherapy...
January 10, 2017: Radiotherapy and Oncology: Journal of the European Society for Therapeutic Radiology and Oncology
https://www.readbyqxmd.com/read/28086989/correlation-between-the-ki-67-proliferation-index-and-response-to-radiation-therapy-in-small-cell-lung-cancer
#8
Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Haruna Nishimaki, Shinobu Masuda
BACKGROUND: In the breast cancer, the decision whether to administer adjuvant therapy is increasingly influenced by the Ki-67 proliferation index. In the present retrospective study, we investigated if this index could predict the therapeutic response to radiation therapy in small cell lung cancer (SCLC). METHODS: Data from 19 SCLC patients who received thoracic radiation therapy were included. Clinical staging was assessed using the TNM classification system (UICC, 2009; cstage IIA/IIB/IIIA/IIIB = 3/1/7/8)...
January 13, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28086896/fast-track-surgery-versus-conventional-perioperative-management-of-lung-cancer-associated-pneumonectomy-a-randomized-controlled-clinical-trial
#9
Qing Dong, Kai Zhang, Shouqiang Cao, Jian Cui
BACKGROUND: The aim of this study is to investigate the effects of fast-track surgery (FTS) on postoperative recovery, hospital stay, total medical costs, and the complications of pneumonectomy in patients with non-small cell lung cancer (NSCLC). METHODS: Studies were performed between June 2012 and March 2014 in 17 patients received FTS and 18 patients given conventional management (control) after pneumonectomy in the Department of Thoracic Surgery, the Fourth Affiliated Hospital of Harbin Medical University...
January 13, 2017: World Journal of Surgical Oncology
https://www.readbyqxmd.com/read/28086829/genomic-pathways-modulated-by-twist-in-breast-cancer
#10
Farhad Vesuna, Yehudit Bergman, Venu Raman
BACKGROUND: The basic helix-loop-helix transcription factor TWIST1 (Twist) is involved in embryonic cell lineage determination and mesodermal differentiation. There is evidence to indicate that Twist expression plays a role in breast tumor formation and metastasis, but the role of Twist in dysregulating pathways that drive the metastatic cascade is unclear. Moreover, many of the genes and pathways dysregulated by Twist in cell lines and mouse models have not been validated against data obtained from larger, independant datasets of breast cancer patients...
January 13, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28081545/mathematical-optimisation-of-the-cisplatin-plus-etoposide-combination-for-managing-extensive-stage-small-cell-lung-cancer-patients
#11
C Faivre, R El Cheikh, D Barbolosi, F Barlesi
BACKGROUND: Small-cell lung cancer (SCLC) represents one of the most aggressive forms of lung cancer. Despite the fair sensitivity of SCLC to chemotherapy and radiotherapy, the current standard treatment regimens have modest survival rates and are associated with potential life-threatening adverse events. Therefore, research into new optimised regimens that increase drug efficacy while respecting toxicity constraints is of primary importance. METHODS: A PK/PD model for the combination of cisplatin and etoposide to treat extensive-stage SCLC patients was generated...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28081539/regulation-of-anoikis-resistance-by-nadph-oxidase-4-and-epidermal-growth-factor-receptor
#12
Hyeryeong Kim, Jee Young Sung, Eun-Kyung Park, Seongho Kho, Kyung Hee Koo, Seog-Yun Park, Sung-Ho Goh, Yoon Kyung Jeon, Sekyung Oh, Byung-Kiu Park, Yong-Keun Jung, Yong-Nyun Kim
BACKGROUND: Normal cells are sensitive to anoikis, which is a cell detachment-induced apoptosis. However, cancer cells acquire anoikis resistance that is essential for successful metastasis. This study aimed to demonstrate the function and potential mechanism of NADPH oxidase 4 (NOX4) and EGFR activation in regulating anoikis resistance in lung cancer. METHODS: Cells were cultured either in the attached or suspended condition. Cell viability was measured by cell counting and live and dead cell staining...
January 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28081474/the-future-excess-fraction-of-occupational-cancer-among-those-exposed-to-carcinogens-at-work-in-australia-in-2012
#13
Renee N Carey, Sally J Hutchings, Lesley Rushton, Timothy R Driscoll, Alison Reid, Deborah C Glass, Ellie Darcey, Si Si, Susan Peters, Geza Benke, Lin Fritschi
BACKGROUND: Studies in other countries have generally found approximately 4% of current cancers to be attributable to past occupational exposures. This study aimed to estimate the future burden of cancer resulting from current occupational exposures in Australia. METHODS: The future excess fraction method was used to estimate the future burden of occupational cancer (2012-2094) among the proportion of the Australian working population who were exposed to occupational carcinogens in 2012...
January 9, 2017: Cancer Epidemiology
https://www.readbyqxmd.com/read/28081464/tumor-angiogenesis-of-sclc-inhibited-by-decreased-expression-of-fmod-via-downregulating-angiogenic-factors-of-endothelial-cells
#14
Zhi Ao, Shilong Yu, Pin Qian, Wenhong Gao, Ruiling Guo, Xiaoxiao Dong, Jianping Xu, Ruijie Zhang, Chaowen Jiang, Fuyun Ji, Guisheng Qian
Fibromodulin (FMOD), an ECM small leucine-rich proteoglycan (SLRP), was reported to promote angiogenesis not only during wound healing, but also in optical and cutaneous angiogenesis-dependent diseases. However, whether it plays important roles in tumor angiogenesis remains unclear. To explore the role of FMOD in tumor angiogenesis of human small cell lung cancer (SCLC), initially the study analyzed the relationship of FMOD expression in cancer tissues of SCLC with clinical characteristics. The analysis revealed that the positive FMOD expression was significantly associated with extensive stage of SCLC and higher vascular density...
January 9, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28081338/new-immunohistochemical-markers-in-the-differential-diagnosisof-nonsmall-cell-lung-carcinoma
#15
Ferda Bir, Duygu Çeliker, Binnaz Fatma Evyapan, Arzu Yaren, Tamer Edirne
BACKGROUND/AIM: The aim of this study was to investigate Napsin-A, NTRK-1, NTRK-2, Desmoglein-3, and Desmocollin-3 in the differential diagnosis and prognosis of nonsmall cell lung cancer. MATERIALS AND METHODS: The expression of Napsin-A, NTRK-1, NTRK-2, and Desmoglein-3 was examined by immunohistochemistry in 50 squamous cell carcinomas and 50 adenocarcinomas. Desmocollin-3 was investigated in 29 squamous cell carcinoma and 29 adenocarcinoma cases. Associations between expression profiles of Napsin-A, NTRK-1, NTRK-2, Desmoglein-3, and Desmocollin-3 in lung cancers and clinicopathological variables were analyzed...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28081332/surgical-management-of-large-cell-neuroendocrinelung-carcinoma-an-analysis-of-25-cases
#16
Funda İncekara, Koray Aydoğdu, Ebru Sayılır, Selim Şakir Erkmen Gülhan, Funda Demirağ, Sadi Kaya, Göktürk Fındık
BACKGROUND/AIM: Large-cell neuroendocrine carcinoma (LCNEC) of the lung is a relatively uncommon and aggressive subset of pulmonary neuroendocrine tumors, which include typical and atypical carcinoid, and small-cell lung cancer. LCNEC of the lung accounts for no more than 1% of all lung cancers. LCNECs show features of high-grade neuroendocrine tumors and patients with LCNEC have a very poor prognosis. MATERIALS AND METHODS: Twenty-five patients (22 males and 3 females; mean years 60...
December 20, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/28081292/the-utility-of-abbreviated-patient-reported-outcomes-for-predicting-survival-in-early-stage-colorectal-cancer
#17
Tina Hsu, Caroline H Speers, Hagen F Kennecke, Winson Y Cheung
BACKGROUND: Patient-reported outcomes (PROs) are increasingly used in clinical settings. Prior research suggests that PROs collected at baseline may be associated with cancer survival, but most of those studies were conducted in patients with breast or lung cancer. The objective of this study was to determine the correlation between prospectively collected PROs and cancer-specific outcomes in patients with early stage colorectal cancer. METHODS: Patients who had newly diagnosed stage II or III colorectal cancer from 2009 to 2010 and had a consultation at the British Columbia Cancer Agency completed the brief Psychosocial Screen for Cancer (PSSCAN) questionnaire, which collects data on patients' perceived social supports, quality of life (QOL), anxiety and depression, and general health...
January 12, 2017: Cancer
https://www.readbyqxmd.com/read/28081275/role-of-xrcc1-gene-polymorphisms-in-non-small-cell-lung-cancer-cisplatin-based-chemotherapy-and-their-effect-on-clinical-and-pathological-characteristics
#18
H F Liu, J S Liu, J H Deng, R R Wu
Non-small cell lung cancer (NSCLC) is the most common cancer globally. The XRCC1 protein interacts with ligase and poly(ADP-ribose) polymerase to repair cisplatin-induced DNA damage. The authors of previous studies have reported XRCC1 Arg399Gln, Arg280His, and Arg194Trp polymorphisms and advanced NSCLC prognosis, but the results are inconclusive. We investigated the association between clinical outcome and XRCC1 Arg399Gln, Arg280His, and Arg194Trp polymorphisms in advanced NSCLC patients treated with cisplatin...
December 23, 2016: Genetics and Molecular Research: GMR
https://www.readbyqxmd.com/read/28081246/nitrosothiol-trapping-based-proteomic-analysis-of-s-nitrosylation-in-human-lung-carcinoma-cells
#19
Shani Ben-Lulu, Tamar Ziv, Pnina Weisman-Shomer, Moran Benhar
Nitrosylation of cysteines residues (S-nitrosylation) mediates many of the cellular effects of nitric oxide in normal and diseased cells. Recent research indicates that S-nitrosylation of certain proteins could play a role in tumor progression and responsiveness to therapy. However, the protein targets of S-nitrosylation in cancer cells remain largely unidentified. In this study, we used our recently developed nitrosothiol trapping approach to explore the nitrosoproteome of human A549 lung carcinoma cells treated with S-nitrosocysteine or pro-inflammatory cytokines...
2017: PloS One
https://www.readbyqxmd.com/read/28081052/identification-of-key-transcription-factors-associated-with-lung-squamous-cell-carcinoma
#20
Feng Zhang, Xia Chen, Ke Wei, Daoming Liu, Xiaodong Xu, Xing Zhang, Hong Shi
BACKGROUND Lung squamous cell carcinoma (lung SCC) is a common type of lung cancer, but its mechanism of pathogenesis is unclear. The aim of this study was to identify key transcription factors in lung SCC and elucidate its mechanism. MATERIAL AND METHODS Six published microarray datasets of lung SCC were downloaded from Gene Expression Omnibus (GEO) for integrated bioinformatics analysis. Significance analysis of microarrays was used to identify differentially expressed genes (DEGs) between lung SCC and normal controls...
January 12, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
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