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https://www.readbyqxmd.com/read/27936483/perspectives-of-immunotherapy-in-hepatocellular-carcinoma-hcc
#1
N Büttner, N Schmidt, R Thimme
Immunotherapy is considered a new treatment option for many tumor entities, as decades of research into cancer immunotherapy have recently yielded promising results. Indeed, impressive clinical results of checkpoint blockade inhibitors in malignant melanoma and non-small cell lung cancer indicate the therapeutic potential of tumor-specific immune restoration. Over the years, different immunotherapeutic approaches have been evaluated for the treatment of hepatocellular carcinoma (HCC) with some respectable results...
December 2016: Zeitschrift Für Gastroenterologie
https://www.readbyqxmd.com/read/27936466/dpp4-cd26-overexpression-in-urothelial-carcinoma-confers-an-independent-prognostic-impact-and-correlates-with-intrinsic-biological-aggressiveness
#2
Peir-In Liang, Bi-Wen Yeh, Wei-Ming Li, Ti-Chun Chan, I-Wei Chang, Chun-Nung Huang, Ching-Chia Li, Hung-Lung Ke, Hsin-Chih Yeh, Wen-Jeng Wu, Chien-Feng Li
Urothelial carcinoma (UC) is common cancer worldwide. The molecular aberrations regarding tumor progression remain unclear. Pericellular proteolysis is crucial in tumorigenesis, but its significance is unexplored in UC. By data mining the datasets in Gene Expression Omnibus, specifically focus on the proteolysis pathway, and followed by a preliminary validation in a pilot batch of tumor samples, we identified that the upregulation of dipeptidyl peptidase 4 (DPP4) was most significantly associated with clinical aggressiveness of UCs...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27936423/optimising-the-community-based-approach-to-healthcare-improvement-comparative-case-studies-of-the-clinical-community-model-in-practice
#3
Emma-Louise Aveling, Graham Martin, Georgia Herbert, Natalie Armstrong
Community-based approaches to healthcare improvement are receiving increasing attention. Such approaches could offer an infrastructure for efficient knowledge-sharing and a potent means of influencing behaviours, but their potential is yet to be optimised. After briefly reviewing challenges to community-based approaches, we describe in detail the clinical community model. Through exploring clinical communities in practice, we seek to identify practical lessons for optimising this community-based approach to healthcare improvement...
November 22, 2016: Social Science & Medicine
https://www.readbyqxmd.com/read/27936345/targeting-integrin-linked-kinase-to-suppress-oncogenic-kras-signaling-in-pancreatic-cancer
#4
Po-Chen Chu, Samuel K Kulp, Tanios Bekaii-Saab, Ching-Shih Chen
Although oncogenic KRAS represents a therapeutically relevant target in pancreatic cancer, it is deemed "non-druggable" because of the intrinsic difficulty in designing direct inhibitors of KRAS. Our recent work demonstrated a KRAS-integrin-linked kinase (ILK) regulatory feedback loop that allows pancreatic cancer cells to regulate KRAS expression and to interact with the tumor microenvironment to promote aggressive phenotype. KRAS induces E2F1-mediated transcriptional activation of ILK expression, and ILK, in turn, controls KRAS expression via hnRNPA1, which binds and destabilizes the G-quadruplex in the KRAS promoter...
December 9, 2016: Small GTPases
https://www.readbyqxmd.com/read/27936143/correction-alk-positive-lung-cancer-clinical-profile-practice-and-outcomes-in-a-developing-country
#5
(no author information available yet)
[This corrects the article DOI: 10.1371/journal.pone.0160752.].
2016: PloS One
https://www.readbyqxmd.com/read/27935868/analysis-of-progression-free-survival-of-first-line-tyrosine-kinase-inhibitors-in-patients-with-non-small-cell-lung-cancer-harboring-leu858arg-or-exon-19-deletions
#6
Feng-Che Kuan, Shih-Hong Li, Chih-Liang Wang, Meng-Hung Lin, Ying-Huang Tsai, Cheng-Ta Yang
BACKGROUND: Gefitinib, erlotinib and afatinib provide remarkable response rates and progression-free survival compared to platinum-based chemotherapy in patients with non-small cell lung cancer harboring epidermal growth factor receptor-activating mutations, and are therefore standard first-line treatment in these patients. However, no study has compared these drugs regarding progression-free survival. MATERIALS AND METHODS: We conducted this retrospective study at a single medical center in Taiwan from February 16, 2011 to October 30, 2015...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27935865/bronchial-airway-gene-expression-signatures-in-mouse-lung-squamous-cell-carcinoma-and-their-modulation-by-cancer-chemopreventive-agents
#7
Donghai Xiong, Jing Pan, Qi Zhang, Eva Szabo, Mark Steven Miller, Ronald A Lubet, Ming You, Yian Wang
Due to exposure to environmental toxicants, a "field cancerization" effect occurs in the lung resulting in the development of a field of initiated but morphologically normal appearing cells in the damaged epithelium of bronchial airways with dysregulated gene expression patterns. Using a mouse model of lung squamous cell carcinoma (SCC), we performed transcriptome sequencing (RNA-Seq) to profile bronchial airway gene expression and found activation of the PI3K and Myc signaling networks in cytologically normal bronchial airway epithelial cells of mice with preneopastic lung SCC lesions, which was reversed by treatment with the PI3K Inhibitor XL-147 and pioglitazone, respectively...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27935858/paradoxical-induction-of-growth-arrest-and-apoptosis-by-egf-via-the-up-regulation-of-pten-by-activating-redox-factor-1-egr-1-in-human-lung-cancer-cells
#8
Je-Won Ryu, Sung Sik Choe, Seung-Hee Ryu, Eun-Young Park, Byoung Wook Lee, Tae Keun Kim, Chang Hoon Ha, Sang-Wook Lee
Epidermal growth factor (EGF) signaling promotes cell proliferation and survival in several types of cancer. Here, however, we showed that EGF inhibits proliferation and promotes programmed cell death in non-small cell lung cancer (NSCLC) cells. In A549 cells, EGF increased redox factor-1 (Ref-1) expression and the association of Ref-1 with zinc finger-containing transcriptional regulator (EGR1) via activation of p22phox, RAC1, and an NADPH oxidase subunit. EGF increased p22phox and RAC1 expression through activation of purinergic receptors (P2Y)...
December 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27935768/hypertrophic-osteoarthropathy-clinical-and-imaging-features
#9
Felix Y Yap, Matthew R Skalski, Dakshesh B Patel, Aaron J Schein, Eric A White, Anderanik Tomasian, Sulabha Masih, George R Matcuk
Hypertrophic osteoarthropathy (HOA) is a medical condition characterized by abnormal proliferation of skin and periosteal tissues involving the extremities and characterized by three clinical features: digital clubbing (also termed Hippocratic fingers), periostosis of tubular bones, and synovial effusions. HOA can be a primary entity, known as pachydermoperiostosis, or can be secondary to extraskeletal conditions, with different prognoses and management implications for each. There is a high association between secondary HOA and malignancy, especially non-small cell lung cancer...
December 9, 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27935339/history-taking-and-physical-assessment-in-holistic-palliative-care
#10
Marie Donnelly, Daphne Martin
In carrying out a holistic palliative care assessment the palliative care clinical nurse specialist needs to develop the knowledge and skill of history taking and health assessment to make safe and competent decisions with patients regarding the future management of their care. This article examines this process in making a differential diagnosis with particular reference to the respiratory physical examination of a patient with a history of lung cancer using the Calgary-Cambridge Model. The model gives structure to the preparation, history taking, and physical examination (inspection, palpation, percussion and auscultation) before explaining, planning and closing the consultation, while considering the palliative patient's and family's individual wishes and goals...
December 8, 2016: British Journal of Nursing: BJN
https://www.readbyqxmd.com/read/27935337/induction-of-interleukin-1%C3%AE-by-mouse-mammary-tumor-irradiation-promotes-triple-negative-breast-cancer-cells-invasion-and-metastasis-development
#11
Gina Bouchard, Hélène Therriault, Rachel Bujold, Caroline Saucier, Benoit Paquette
PURPOSE: Radiotherapy increases the level of inflammatory cytokines, some of which are known to promote metastasis. In a mouse model of triple negative breast cancer (TNBC), we determined whether irradiation of the mammary tumor increases the level of key cytokines and favors the development of lung metastases. MATERIAL AND METHODS: D2A1 TNBC cells were implanted in the mammary glands of a Balb/c mouse and then 7 days old tumors were irradiated (4x6 Gy). The cytokines IL-1β, IL-4, IL-6, IL-10, IL-17 and MIP-2 were quantified in plasma before, midway and after irradiation...
December 9, 2016: International Journal of Radiation Biology
https://www.readbyqxmd.com/read/27934900/corrigendum-pak1-confers-chemoresistance-and-poor-outcome-in-non-small-cell-lung-cancer-via-%C3%AE-catenin-mediated-stemness
#12
Ming-Jenn Chen, De-Wei Wu, Yao-Chen Wang, Chi-Yi Chen, Huei Lee
No abstract text is available yet for this article.
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27934896/transient-appearance-of-circulating-tumor-dna-associated-with-de-novo-treatment
#13
Kikuya Kato, Junji Uchida, Yoji Kukita, Toru Kumagai, Kazumi Nishino, Takako Inoue, Madoka Kimura, Fumio Imamura
The limitation of circulating tumor DNA (ctDNA) is its inability to detect cancer cell subpopulations with few or no dying cells. Lung cancer patients subjected to the EGFR tyrosine kinase inhibitor (EGFR-TKI) treatment were prospectively collected, and ctDNA levels represented by the activating and T790M mutations were measured. The first data set (21 patients) consisting of samples collected in the period from before initiation of EGFR-TKI to at least 2 weeks after initiation: the ctDNA dynamics generally exhibited a rapid decrease and/or a transient increase...
December 9, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27933671/causal-inference-in-obesity-research
#14
REVIEW
P W Franks, N Atabaki-Pasdar
Obesity is a risk factor for a plethora of severe morbidities and premature death. Most supporting evidence comes from observational studies that are prone to chance, bias and confounding. Even data on the protective effects of weight loss from randomized controlled trials will be susceptible to confounding and bias if treatment assignment cannot be masked, which is usually the case with lifestyle and surgical interventions. Thus, whilst obesity is widely considered the major modifiable risk factor for many chronic diseases, its causes and consequences are often difficult to determine...
December 8, 2016: Journal of Internal Medicine
https://www.readbyqxmd.com/read/27933638/nursing-interventions-for-smoking-cessation-in-hospitalized-patients-a-systematic-review
#15
REVIEW
Z Kazemzadeh, Z S Manzari, Z Pouresmail
AIM: This study aimed to clarify the role of nurses in planning and implementation of nursing interventions related to smoking cessation. BACKGROUND AND INTRODUCTION: Nearly half of all smokers die from smoking-related illnesses. Quitting smoking can reduce these problems. Smoking cessation interventions include various types helping smokers successfully quit. Studies suggest that hospitalization can be a golden opportunity for nurses helping patients to quit smoking because of No Smoking regulations...
December 9, 2016: International Nursing Review
https://www.readbyqxmd.com/read/27933604/chemoresistant-lung-cancer-stem-cells-display-high-dna-repair-capability-to-remove-cisplatin-dna-damage
#16
Wai-Kin Yu, Zhigang Wang, Chi-Chun Fong, Dandan Liu, Tak-Chun Yip, Siu-Kie Au, Guangyu Zhu, Mengsu Yang
BACKGROUND AND PURPOSE: The persistence of lung cancer stem cells (LCSCs) has been proposed to be the main factor of lung cancer recurrence due to their high resistance to conventional chemotherapy. The underlying mechanisms, however, have not been fully addressed. EXPERIMENTAL APPROACH: In this study, we examined the cellular response of a human lung cancer stem cell line upon treatment with cisplatin, a DNA-damaging anticancer drug that is extensively applied in clinics...
December 9, 2016: British Journal of Pharmacology
https://www.readbyqxmd.com/read/27933587/development-of-a-more-efficient-albumin-based-delivery-system-for-gambogic-acid-with-low-toxicity-for-lung-cancer-therapy
#17
Yan Zhang, Zhijie Yang, Xinyi Tan, Xing Tang, Zaixing Yang
Gambogic acid (GA) has been proven to be a potent chemotherapeutic agent for the treatment of lung cancer in clinical trials. However, GA is limited in its therapeutic value by properties such as poor water solubility and low chemical stability. In clinical trials, cationic arginine (Arg) was added to solubilize GA, and this may also cause other side effects. Here, we have designed and developed a more efficient human serum albumin (HSA)-based delivery system for GA with low toxicity which helps improve its solubility, chemical stability and increases its antitumor efficacy...
December 8, 2016: AAPS PharmSciTech
https://www.readbyqxmd.com/read/27933464/can-body-composition-be-used-to-optimize-the-dose-of-platinum-chemotherapy-in-lung-cancer-a-feasibility-study
#18
Vincent Crosby, Catherine D'Souza, Carina Bristow, Amy Proffitt, Asmah Hussain, Vanessa Potter, Ivo Hennig, Richard O'Connor, Vickie Baracos, Andrew Wilcock
PURPOSE: Current methods of dosing platinum-based chemotherapy are suboptimal. Potentially, taking lean body mass into account may help. To inform the design of a future study, we first examined the feasibility and acceptability of such an approach using dual-energy X-ray absorptiometry (DEXA) and explored aspects suggestive of over- and under-dosing. METHODS: Patients with lung cancer offered platinum-based chemotherapy over 1 year were identified and, if eligible, invited to take part in a prospective feasibility study...
December 8, 2016: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/27933183/differential-eligibility-of-african-american-and-european-american-lung-cancer-cases-using-ldct-screening-guidelines
#19
Bríd M Ryan
INTRODUCTION: Lung cancer incidence and mortality is higher among African Americans compared with European Americans in the USA where screening guidelines are currently in place and based on age at diagnosis and smoking history. Given the different smoking patterns observed in these populations and the earlier age at which African Americans are diagnosed, it is possible that African Americans will be disproportionally excluded from screening programmes. METHODS: We assessed the capture of African American and EA lung cancer cases using the National Lung Screening Trial, US Preventive Services Task Force and Centers for Medicare and Medicaid Services eligibility guidelines in a population of lung cancer cases diagnosed between 1998 and 2014 in the Baltimore region of Maryland (n=1658)...
2016: BMJ Open Respiratory Research
https://www.readbyqxmd.com/read/27933110/profiling-lung-adenocarcinoma-by-liquid-biopsy-can-one-size-fit-all
#20
Harry W Clifford, Amy P Cassidy, Courtney Vaughn, Evaline S Tsai, Bianka Seres, Nirmesh Patel, Hannah L O'Neill, Emil Hewage, John W Cassidy
BACKGROUND: Cancer is first and foremost a disease of the genome. Specific genetic signatures within a tumour are prognostic of disease outcome, reflect subclonal architecture and intratumour heterogeneity, inform treatment choices and predict the emergence of resistance to targeted therapies. Minimally invasive liquid biopsies can give temporal resolution to a tumour's genetic profile and allow the monitoring of treatment response through levels of circulating tumour DNA (ctDNA). However, the detection of ctDNA in repeated liquid biopsies is currently limited by economic and time constraints associated with targeted sequencing...
2016: Cancer Nanotechnology
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