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https://www.readbyqxmd.com/read/28916621/-64-cu-labeled-repebody-molecules-for-imaging-of-epidermal-growth-factor-receptor-expressing-tumors
#1
Ayoung Pyo, Misun Yun, Hyeon-Sik Kim, Tae-Yoon Kim, Joong-Jae Lee, Jung Young Kim, Sunwoo Lee, Seong Young Kwon, Hee-Seung Bom, Hak-Sung Kim, Dong-Yeon Kim, Jung-Joon Min
The epidermal growth factor receptor (EGFR) is a member of the erbB family of receptors and is overexpressed in many tumor types. A repebody is a newly designed non-antibody protein scaffold for tumor targeting that contains leucine-rich repeat modules. In this study, three (64)Cu-labeled anti-EGFR repebodies with different chelators were synthesized, and their biological characteristics were assessed in cultured cells and tumor-bearing mice. Methods: Repebodies (rEgAs) were synthesized with the chelators p-SCN-Bn-NOTA, DOTA-NHS ester, or p-SCN-Bn-DTPA in 1...
September 15, 2017: Journal of Nuclear Medicine: Official Publication, Society of Nuclear Medicine
https://www.readbyqxmd.com/read/28915692/biomarker-analysis-of-the-phase-3-torch-trial-for-first-line-erlotinib-versus-chemotherapy-in-advanced-non-small-cell-lung-cancer-patients
#2
Lucia Kim, Mauro Saieg, Massimo Di Maio, Ciro Gallo, Charles Butts, Fortunato Ciardiello, Ronald Feld, Dengxiao Cheng, Vittorio Gebbia, Marco Angelo Burgio, Yasmin Alam, Simona Signoriello, Antonio Rossi, Natasha Leighl, Paolo Maione, Alessandro Morabito, Geoffrey Liu, Ming-Sound Tsao, Francesco Perrone, Cesare Gridelli
BACKGROUND: The TORCH phase III trial compared the efficacy of first-line erlotinib followed by chemotherapy at progression (experimental arm) with the reverse sequence (standard arm) in unselected advanced non-small cell lung cancer (NSCLC) patients. Here we report biomarker analyses. METHODS: EGFR and KRAS mutation, expression of EGFR family members and of cMET and PTEN and EGFR and ABCG2 germline polymorphisms were tested on tumor tissue or blood samples to either confirm previously proposed predictive role or describe it in an explorative setting...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28905483/lung-cancer-in-young-women-in-southern-sweden-a-descriptive-study
#3
Ildikó Fritz, Håkan Olsson
INTRODUCTION: Lung cancer, a common malignancy and cause of cancer-related deaths, is strongly linked to several environmental exposures, and thus primarily affects the elderly. Formerly a man's disease, its incidence is rising among women, and lung cancer is now more common in women than men in Sweden. Women are particularly over-represented among young patients. While overall cancer mortality in Europe is decreasing, female lung cancer mortality is increasing. OBJECTIVES: We describe the epidemiological presentation of lung cancer in young Swedish women, aiming to pinpoint its risk factors for young women...
September 14, 2017: Clinical Respiratory Journal
https://www.readbyqxmd.com/read/28904399/semaphorin-3%C3%A2-c-drives-epithelial-to-mesenchymal-transition-invasiveness-and-stem-like-characteristics-in-prostate-cells
#4
Kevin J Tam, Daniel H F Hui, Wilson W Lee, Mingshu Dong, Tabitha Tombe, Ivy Z F Jiao, Shahram Khosravi, Ario Takeuchi, James W Peacock, Larissa Ivanova, Igor Moskalev, Martin E Gleave, Ralph Buttyan, Michael E Cox, Christopher J Ong
Prostate cancer (PCa) is among the most commonly-occurring cancers worldwide and a leader in cancer-related deaths. Local non-invasive PCa is highly treatable but limited treatment options exist for those with locally-advanced and metastatic forms of the disease underscoring the need to identify mechanisms mediating PCa progression. The semaphorins are a large grouping of membrane-associated or secreted signalling proteins whose normal roles reside in embryogenesis and neuronal development. In this context, semaphorins help establish chemotactic gradients and direct cell movement...
September 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28903448/positive-expression-of-y-box-binding-protein-1-and-prognosis-in-non-small-cell-lung-cancer-a-meta-analysis
#5
REVIEW
Liang Jiang, Gao-Le Yuan, Qi-Lian Liang, Hui-Jie Zhang, Jie Huang, Shao-Ang Cheng, Xiao-Xia Peng
BACKGROUND: Y-box binding protein 1 (YB-1) belongs to the cold shock domain protein family involved in transcription and translation. We conducted a meta-analysis of the association between YB-1 expression and the survival and clinicopathological features in NSCLC. METHODS: PubMed and Embase were searched to identify studies that evaluated the YB-1 expression (by immunohistochemistry) and overall survival (OS) in NSCLC. Hazard ratios (HRs) and 95% confidence intervals (CI) of OS were pooled...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28903339/ing5-knockdown-enhances-migration-and-invasion-of-lung-cancer-cells-by-inducing-emt-via-egfr-pi3k-akt-and-il-6-stat3-signaling-pathways
#6
Xin-Li Liu, Xu-Tao Zhang, Jin Meng, Hong-Fei Zhang, Yong Zhao, Chen Li, Yang Sun, Qi-Bing Mei, Feng Zhang, Tao Zhang
ING5 belongs to the Inhibitor of Growth (ING) candidate tumor suppressor family, whose functions have been involved in the regulation of chromatin remodeling, cell cycle progression, proliferation and apoptosis. Our previous study has shown that ING5 overexpression inhibits lung cancer aggressiveness via suppressing epithelial to mesenchymal transition (EMT). However, the mechanisms remain largely unknown. In the current study, by Phospho-Kinase array and western blot, we have defined significantly upregulated EGFR/PI3K/Akt and IL-6/STAT3 oncogenic signaling pathways in ING5 knockdown A549 cells, which could be downregulated by ING5 overexpression...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901509/ct45a1-sirna-silencing-suppresses-the-proliferation-metastasis-and-invasion-of-lung-cancer-cells-by-downregulating-the-erk-creb-signaling-pathway
#7
Feng Tang, Shengjun Tang, Xiaolong Guo, Chao Yang, Ke Jia
The aim of the present study was to investigate the role of the cancer‑testis antigen family 45 member A1 (CT45A1) in the proliferation, apoptosis, invasion and metastasis of lung cancer cells, and the associated molecular mechanisms. Western blotting determined that the expression of CT45A1 in normal lung cells was far lower than that observed in lung cancer cells. Following the transfection of CT45A1 small (or short) interfering (si)RNA and its negative control into A549 cells using Lipofectamine 2000, the CT45A1 protein and mRNA levels were determined further by western blotting and reverse transcription‑polymerase chain reaction...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901499/transfection-with-livin-and-survivin-shrna-inhibits-the-growth-and-proliferation-of-non%C3%A2-small-cell-lung-cancer-cells
#8
Qinmiao Huang, Yiming Zeng, Huihuang Lin, Huaping Zhang, Dongyong Yang
Lung cancer is reported to be a major public health issue worldwide and the overall prognosis of patients remains poor. The expression levels of Livin and Survivin, of the inhibitors of apoptosis (IAP) family, are associated with prognostic significance in the majority of solid tumors. Therefore, in the presents study, short hairpin (sh)RNA expression vectors inhibiting the Livin and Survivin genes were constructed to examine the effects of the transfection of Livin shRNA and/or Survivin shRNA on the biological functions of tumor cells...
September 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901318/surgical-treatment-is-an-effective-approach-for-patients-with-synchronous-multiple-primary-lung-cancers
#9
Yue Peng, Wangang Ren, Hui Wang, Meng Li, Zhen Feng, Zhongmin Peng
OBJECTIVE: The detection rate of synchronous multiple primary lung cancers (SMPLC) showed an increasing trend year by year. In an attempt to identify the optimal treatment strategy for SMPLC, we retrospectively analyzed our surgical treatment outcomes of a series of patients with SMPLC. MATERIALS AND METHODS: A total of 43 SMPLC patients who met the modified Martini-Melamed criteria and with clinical data retained between November 2012 and July 2016 underwent complete resection without any preoperative induction therapy at the Department of Thoracic Surgery, Shandong Provincial Hospital...
2017: Journal of Cancer Research and Therapeutics
https://www.readbyqxmd.com/read/28901280/neuronal-and-extraneuronal-nicotinic-acetylcholine-receptors
#10
Michele Zoli, Susanna Pucci, Antonietta Vilella, Cecilia Gotti
Neuronal nicotinic acetylcholine receptors (nAChRs) belong to a super-family of Cys-loop ligand-gated ion channels that respond to endogenous acetylcholine (ACh) or other cholinergic ligands. These receptors are also the targets of drugs such as nicotine (the main addictive agent delivered by cigarette smoke) and are involved in a variety of physiological and pathophysiological processes. Numerous studies have shown that the expression and/or function of nAChRs is compromised in many neurological and psychiatric diseases...
September 11, 2017: Current Neuropharmacology
https://www.readbyqxmd.com/read/28900080/-dynamics-of-line-1-retrotransposon-methylation-levels-in-circulating-dna-from-lung-cancer-patients-undergoing-antitumor-therapy
#11
A A Ponomaryova, N V Cherdyntseva, A A Bondar, A Y Dobrodeev, A A Zavyalov, S A Tuzikov, V V Vlassov, E L Choinzonov, P P Laktionov, E Y Rykova
Malignant cell transformation is accompanied with abnormal DNA methylation, such as the hypermethylation of certain gene promoters and hypomethylation of retrotransposons. In particular, the hypomethylation of the human-specific family of LINE-1 retrotransposons was observed in lung cancer tissues. It is also known that the circulating DNA (cirDNA) of blood plasma and cell-surface-bound circulating DNA (csb-cirDNA) of cancer patients accumulate tumor-specific aberrantly methylated DNA fragments, which are currently considered to be valuable cancer markers...
July 2017: Molekuliarnaia Biologiia
https://www.readbyqxmd.com/read/28900044/regulation-of-autophagy-nf-%C3%AE%C2%BAb-signaling-and-cell-viability-by-mir-124-in-kras-mutant-mesenchymal-like-nsclc-cells
#12
Anita K Mehta, Kevin Hua, William Whipple, Minh-Thuy Nguyen, Ching-Ti Liu, Johannes Haybaeck, Joanne Weidhaas, Jeff Settleman, Anurag Singh
KRAS mutant non-small cell lung cancer (NSCLC) may be classified into epithelial or mesenchymal subtypes. Despite having the same "driver" mutation, mesenchymal NSCLCs are less responsive than are epithelial NSCLCs to inhibition of the RAS pathway. Identifying alternative networks that promote survival specifically in mesenchymal NSCLC may lead to more effective treatments for this subtype. Through their numerous targets in cellular signaling pathways, noncoding microRNAs (miRNAs) often function as tumor suppressors or oncogenes...
September 12, 2017: Science Signaling
https://www.readbyqxmd.com/read/28894017/effects-of-early-integrated-palliative-care-on-caregivers-of-patients-with-lung-and-gastrointestinal-cancer-a-randomized-clinical-trial
#13
Areej El-Jawahri, Joseph A Greer, William F Pirl, Elyse R Park, Vicki A Jackson, Anthony L Back, Mihir Kamdar, Juliet Jacobsen, Eva H Chittenden, Simone P Rinaldi, Emily R Gallagher, Justin R Eusebio, Sarah Fishman, Harry VanDusen, Zhigang Li, Alona Muzikansky, Jennifer S Temel
BACKGROUND: The family and friends (caregivers) of patients with advanced cancer often experience tremendous distress. Although early integrated palliative care (PC) has been shown to improve patient-reported quality of life (QOL) and mood, its effects on caregivers' outcomes is currently unknown. MATERIALS AND METHODS: We conducted a randomized trial of early PC integrated with oncology care versus oncology care alone for patients who were newly diagnosed with incurable lung and noncolorectal gastrointestinal cancers and their caregivers...
September 11, 2017: Oncologist
https://www.readbyqxmd.com/read/28892201/two-brm-promoter-polymorphisms-predict-poor-survival-in-patients-with-hepatocellular-carcinoma
#14
Ivan Pasic, Kit Man Wong, Jonghun John Lee, Osvaldo Espin-Garcia, Yonathan Brhane, Dangxiao Cheng, Zhuo Chen, Devalben Patel, Catherine Brown, Roxana Bucur, David Reisman, Jennifer J Knox, Wei Xu, Rayjean J Hung, Geoffrey Guo, Sean P Cleary
BACKGROUND: Polymorphisms in the promoter of the BRM gene, a critical subunit of the chromatin remodeling SWI/SNF complex, have previously been implicated in risk and prognosis in Caucasian-predominant lung, head and neck, esophageal, and pancreatic cancers, and in hepatocellular cancers in Asians. We investigated the role of these polymorphisms in hepatocellular carcinoma (HCC) risk and prognosis. METHODS: HCC cases were recruited in a comprehensive cancer centre while the matched controls were recruited from family practice units from the same catchment area...
September 11, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28891712/molecular-and-clinical-features-of-second-generation-anaplastic-lymphoma-kinase-inhibitors-ceritinib
#15
Tommaso De Pas, Laura Pala, Chiara Catania, Fabio Conforti
The discovery of ALK rearrangement in non-small-cell lung cancer (NSCLC) triggered rapid clinical development of a family of specific drugs targeting this alteration, called ALK inhibitors. Despite high rate of responses, the vast majority of patients treated with first-generation ALK inhibitor crizotinib will ultimately develop disease progression. The second-generation ALK inhibitor, ceritinib, is an oral, small-molecule that inhibits the ALK kinase activity with a potency 20-fold greater than crizotinib, being able to tackle some of the principal mechanisms of resistance to crizotinib...
September 11, 2017: Future Oncology
https://www.readbyqxmd.com/read/28885865/changes-in-insurance-coverage-and-stage-at-diagnosis-among-nonelderly-patients-with-cancer-after-the-affordable-care-act
#16
Ahmedin Jemal, Chun Chieh Lin, Amy J Davidoff, Xuesong Han
Purpose To examine change in the percent uninsured and early-stage diagnosis among nonelderly patients with newly diagnosed cancer after the Affordable Care Act (ACA). Patients and Methods By using the National Cancer Data Base, we estimated absolute change (APC) and relative change in percent uninsured among patients with newly diagnosed cancer age 18 to 64 years between 2011 to the third quarter of 2013 (pre-ACA implementation) and the second to fourth quarter of 2014 (post-ACA) in Medicaid expansion and nonexpansion states by family income level...
September 8, 2017: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28883836/the-effect-of-pyrroloquinoline-quinone-on-the-expression-of-wisp1-in-traumatic-brain-injury
#17
Yongqi Ye, Pengju Zhang, Yuhang Qian, Baoxin Yin, Meijuan Yan
WISP1, as a member of the CCN4 protein family, has cell protective effects of promoting cell proliferation and inhibiting cell apoptosis. Although some studies have confirmed that WISP1 is concerned with colon cancer and lung cancer, there is little report about the influence of WISP1 in traumatic brain injury. Here, we found that the expression of WISP1 mRNA and protein decreased at 3 d and then increased at 5 d after traumatic brain injury (TBI). Meanwhile, immunofluorescence demonstrated that there was little colocation of WISP1 with GFAP, Iba1, and WISP1 colocalized with NeuN partly...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28881856/strategies-targeting-angiogenesis-in-advanced-non-small-cell-lung-cancer
#18
REVIEW
Jun Wang, Jianpeng Chen, Yan Guo, Baocheng Wang, Huili Chu
Tumor angiogenesis is a frequent event in the development and progression of non-small cell lung cancer (NSCLC) and has been identified as a promising therapeutic target. The vascular endothelial growth factor (VEGF) family and other angiogenic factors, including fibroblast growth factor and platelet-derived growth factor, promote the growth of newly formed vessels from preexisting vessels and change the tumor microenvironment. To date, two antiangiogenic monoclonal antibodies, bevacizumab and ramucirumab, which target VEGF-A and its receptor VEGF receptor-2, respectively, have been approved for the treatment of locally advanced or metastatic NSCLC when added to first-line standard chemotherapy...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881812/a-combination-of-valproic-acid-sodium-salt-chir99021-e-616452-tranylcypromine-and-3-deazaneplanocin-a-causes-stem-cell-like-characteristics-in-cancer-cells
#19
Shuang Sha, Yuanfen Zhai, Chengzhao Lin, Heyong Wang, Qing Chang, Shuang Song, Mingqiang Ren, Gentao Liu
Many studies are based on the hypothesis that recurrence and drug resistance in lung carcinoma are due to a subpopulation of cancer stem-like cells (CSLCs) in solid tumors. Therefore it is crucial to screen for and recognize lung CSLCs. In this study, we stimulated non-small cell lung cancer (NSCLC) A549 cells to display stem cell-like characteristics using a combination of five small molecule compounds. The putative A549 stem cells activated an important CSLC marker, CD133 protein, as well multiple CSLC-related genes including ATP-binding cassette transporter G2 (ABCG2), C-X-C chemokine receptor type 4 (CXCR4), NESTIN, and BMI1...
August 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28881680/identification-of-dysregulated-long-non-coding-rnas-micrornas-mrnas-in-tnm-i-stage-lung-adenocarcinoma
#20
Ziqiang Tian, Shiwang Wen, Yuefeng Zhang, Xinqiang Shi, Yonggang Zhu, Yanzhao Xu, Huilai Lv, Guiying Wang
Lung adenocarcinoma (LUAD) is the primary subtype in lung cancer, which is the leading cause of cancer-related death worldwide. This study aimed to investigate the aberrant expression profiling of long non-coding RNA (lncRNA) in TNM I stage (stage I) LUAD. The lncRNA/mRNA/miRNA expression profiling of stage I LUAD and adjacent non-tumor tissues from 4 patients were measured by RNA-sequencing. Total of 175 differentially expressed lncRNAs (DELs), 1321 differentially expressed mRNAs (DEMs) and 94 differentially expressed microRNAs (DEMIs) were identified in stage I LUAD...
August 1, 2017: Oncotarget
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