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Lung biomarkers

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https://www.readbyqxmd.com/read/29788800/relationship-between-ykl-40-and-pulmonary-arterial-hypertension-in-systemic-sclerosis
#1
Tetsuya Furukawa, Kiyoshi Matsui, Masayasu Kitano, Yuichi Yokoyama, Masahiro Sekiguchi, Naoto Azuma, Yasutomo Imai, Seiichi Hirota, Kiyofumi Yamanishi, Hajime Sano
OBJECTIVES: Systemic sclerosis (SSc) is an intractable connective tissue disease that causes skin and organ fibrosis. Interstitial lung disease (ILD) and pulmonary arterial hypertension (PAH) affect its prognosis. YKL-40 protein impacts inflammation and tissue remodeling. Therefore, we evaluated the utility of YKL-40 blood levels in identifying patients with SSc complicated by PAH, as confirmed by immunohistochemistry (IHC) examination. METHODS: We retrospectively analyzed 78 patients with SSc and performed IHC on 7 normal and 7 SSc skin samples in the Japanese population...
May 23, 2018: Modern Rheumatology
https://www.readbyqxmd.com/read/29788534/prospective-evaluation-of-68-ga-dotatate-pet-ct-in-limited-disease-neuroendocrine-tumors-and-or-elevated-serum-neuroendocrine-biomarkers
#2
Sophie Gabriel, Philippe Garrigue, Laetitia Dahan, Frédéric Castinetti, Frédéric Sebag, Karine Baumstark, Cendrine Archange, Jha Abhishek, Karel Pacak, Benjamin Guillet, David Taïeb
CONTEXT: The 68 Ga-labelled somatostatin analogues (68 Ga-DOTA-SSAs) is becoming popular as an important diagnostic tool in neuroendocrine tumors as evidenced by a growing number of reports detailing institutional experience with various DOTA peptides. However, only few prospective studies have compared 68 Ga-DOTA-SSAs and somatostatin receptor scintigraphy (SRS) in gastroenteropancreatic neuroendocrine tumors (GEP-NETs) and pulmonary neuroendocrine tumors. OBJECTIVE: The aim of our prospective study was to perform head-to-head comparison between 68 Ga-DOTATATE PET/CT and standard imaging work-up (SI) that included multiphasic CT, liver MRI, and SRS using single photon emission computed tomography...
May 22, 2018: Clinical Endocrinology
https://www.readbyqxmd.com/read/29788500/microvascular-dysfunction-following-multi-walled-carbon-nanotube-exposure-is-mediated-by-thrombospondin-1-receptor-cd47
#3
W Kyle Mandler, Timothy R Nurkiewicz, Dale W Porter, Eric E Kelley, I Mark Olfert
Pulmonary exposure to multi-walled carbon nanotubes (MWCNT) disrupts peripheral microvascular function. Thrombospondin-1 (TSP-1) is highly expressed during lung injury and has been shown to alter microvascular reactivity. It is unclear exactly how TSP-1 exerts effects on vascular function, but we hypothesized that the TSP-1 receptor CD47 may mediate changes in vasodilation.Wildtype (WT) or CD47 knockout (CD47 KO) C57B6/J-background animals were exposed to 50 µg of MWCNT or saline control via pharyngeal aspiration...
May 21, 2018: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/29788015/limb-bud-and-heart-attenuates-growth-and-invasion-of-human-lung-adenocarcinoma-cells-and-predicts-survival-outcome
#4
Mingming Deng, Ruoxi Yu, Shuo Wang, Ye Zhang, Zhi Li, Huicong Song, Bofang Liu, Ling Xu, Ximing Wang, Zhe Zhang, Qingjie Lv, Xiaonan Wang, Xiaofang Che, Xiujuan Qu, Yunpeng Liu, Xuejun Hu
BACKGROUND/AIMS: The transcription cofactor limb-bud and heart (LBH) is involved in embryonic development. However, its role in human lung cancer, especially lung adenocarcinoma (LUAD), remains unclear. METHODS: A public database and tissue microarray (TMA) were used to compare differences in LBH expression and its relationship with clinical characteristics. Tissue from an additional 70 LUAD patients with follow-up records was used to explore the correlation of LBH expression with prognosis...
May 18, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29787423/autoimmune-granulomatous-inflammation-of-lacrimal-glands-and-axonal-neuritis-following-treatment-with-ipilimumab-and-radiation-therapy
#5
Ecaterina Ileana Dumbrava, Veronica Smith, Rasha Alfattal, Adel K El-Naggar, Marta Penas-Prado, Apostolia M Tsimberidou
Immune checkpoint inhibitors such as anti-CTLA-4 (cytotoxic T-lymphocyte-associated protein 4), anti PD-1 (programmed cell death protein 1) and PD-L1 (programmed cell death protein-ligand 1) monoclonal antibodies are emerging as standard oncology treatments in various tumor types. The indications will expand as immunotherapies are being investigated in various tumors with promising results. Currently, there is inadequate identification of predictive biomarkers of response or toxicity. Unique response patterns include pseudoprogression and delayed response...
May 21, 2018: Journal of Immunotherapy
https://www.readbyqxmd.com/read/29785839/optimization-of-a-secondary-voi-protocol-for-lung-imaging-in-a-clinical-ct-scanner
#6
Thomas C Larsen, Vissagan Gopalakrishnan, Jianhua Yao, Catherine P Nguyen, Marcus Y Chen, Joel Moss, Han Wen
We present a solution to meet an unmet clinical need of an in-situ "close look" at a pulmonary nodule or at the margins of a pulmonary cyst revealed by a primary (screening) chest CT while the patient is still in the scanner. We first evaluated options available on current whole-body CT scanners for high resolution screening scans, including ROI reconstruction of the primary scan data and HRCT, but found them to have insufficient SNR in lung tissue or discontinuous slice coverage. Within the capabilities of current clinical CT systems, we opted for the solution of a secondary, volume-of-interest (VOI) protocol where the radiation dose is focused into a short-beam axial scan at the z position of interest, combined with a small-FOV reconstruction at the xy position of interest...
May 21, 2018: Journal of Applied Clinical Medical Physics
https://www.readbyqxmd.com/read/29783929/modulation-the-crosstalk-between-tumor-associated-macrophages-and-non-small-cell-lung-cancer-to-inhibit-tumor-migration-and-invasion-by-ginsenoside-rh2
#7
Honglin Li, Nan Huang, Weikang Zhu, Jianchun Wu, Xiaohui Yang, Wenjing Teng, Jianhui Tian, Zhihong Fang, Yingbin Luo, Min Chen, Yan Li
BACKGROUND: Tumor-associated macrophages (TAMs) play a critical role in modulating the tumor microenvironment and promote tumor metastases. Our studies have demonstrated that ginsenoside Rh2 (G-Rh2), a monomeric compound extracted from ginseng, is a promising anti-tumor agent in lung cancer cells. However, it remains unclear whetherG-Rh2 can modulate the differentiation of TAMs and its interaction with tumor microenvironment. In this study, we investigated how G-Rh2 regulates the phenotype of macrophages and affects the migration of non-small cell lung cancer (NSCLC) cells...
May 22, 2018: BMC Cancer
https://www.readbyqxmd.com/read/29783093/a-direct-plasma-mirna-assay-for-early-detection-and-histological-classification-of-lung-cancer
#8
Qixin Leng, Yue Wang, Feng Jiang
Cell-free microRNAs in plasma provide circulating biomarkers for lung cancer. Most techniques for analysis of miRNAs require a large plasma volume to purify a sufficient RNA yield followed by complicated downstream processing. Small differences in the multiple procedures often cause large analytical variations and poor diagnostic values of the plasma biomarkers. Here we investigate whether directly quantifying plasma miRNAs without RNA purification could diagnose lung cancer. FirePlex assay was directly applied to 20 μl plasma of 56 lung cancer patients and 28 cancer free controls for quantifying 11 lung tumor-associated miRNAs...
May 17, 2018: Translational Oncology
https://www.readbyqxmd.com/read/29783085/indoor-black-carbon-and-biomarkers-of-systemic-inflammation-and-endothelial-activation-in-copd-patients
#9
Eric Garshick, Stephanie T Grady, Jaime E Hart, Brent A Coull, Joel D Schwartz, Francine Laden, Marilyn L Moy, Petros Koutrakis
RATIONALE: Evidence linking traffic-related particle exposure to systemic effects in chronic obstructive lung disease (COPD) patients is limited. OBJECTIVES: Assess relationships between indoor black carbon (BC), a tracer of traffic-related particles, and plasma biomarkers of systemic inflammation and endothelial activation. METHODS: BC was measured by reflectance in fine particle samples over a mean of 7.6 days in homes of 85 COPD patients up to 4 times seasonally over a year...
May 18, 2018: Environmental Research
https://www.readbyqxmd.com/read/29782924/emerging-biomarkers-for-immune-checkpoint-inhibition-in-lung-cancer
#10
REVIEW
George Cyriac, Leena Gandhi
Immune checkpoint inhibition with anti-PD-1 therapy has been notably successful in non-small cell lung cancer (NSCLC) and changed standard practice in multiple settings. However, despite some durable benefits seen, the majority of unselected patients with NSCLC fail to respond to checkpoint inhibitors. Patient selection is crucial and will become even more important in the development of combination therapies with immune checkpoint inhibitors. PD-L1 expression by immunohistochemistry (IHC) has emerged as the most commonly used clinical biomarker of response and overall tumor mutational burden (TMB) is being explored as a clinical biomarker...
May 18, 2018: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29780635/liquid-biopsy-for-lung-cancer-early-detection
#11
REVIEW
Mariacarmela Santarpia, Alessia Liguori, Alessandro D'Aveni, Niki Karachaliou, Maria Gonzalez-Cao, Maria Grazia Daffinà, Chiara Lazzari, Giuseppe Altavilla, Rafael Rosell
Molecularly targeted therapies and immune checkpoint inhibitors have markedly improved the therapeutic management of advanced lung cancer. However, it still remains the leading cause of cancer-related mortality worldwide, with disease stage at diagnosis representing the main prognostic factor. Detection of lung cancer at an earlier stage of disease, potentially susceptible of curative resection, can be critical to improve patients survival. Low-dose computed tomography (LDCT) screening of high-risk patients has been demonstrated to reduce mortality from lung cancer, but can be also associated with high false-positive rate, thus often resulting in unnecessary interventions for patients...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780634/liquid-biopsy-for-early-stage-lung-cancer
#12
REVIEW
Wenhua Liang, Yi Zhao, Weizhe Huang, Hengrui Liang, Haikang Zeng, Jianxing He
Liquid biopsy, which analyzes biological fluids especially blood specimen to detect and quantify circulating cancer biomarkers, have been rapidly introduced and represents a promising potency in clinical practice of lung cancer diagnosis and prognosis. Unlike conventional tissue biopsy, liquid biopsy is non-invasive, safe, simple in procedure, and is not influenced by manipulators' skills. Notably, some circulating cancer biomarkers are already detectable in disease with low-burden, making liquid biopsy feasible in detecting early stage lung cancer...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780630/the-role-of-liquid-biopsy-in-predicting-post-operative-recurrence-of-non-small-cell-lung-cancer
#13
Hengrui Liang, Jianbin Huang, Bo Wang, Zhichao Liu, Jianxing He, Wenhua Liang
Background: Radical resection is the cornerstone for patients with early stage of non-small cell lung cancer (NSCLC). However, fatal disease recurs in about 30-70% of resected cases. The circulating tumor cells (CTCs) is one of the main causes of recurrence of cancer. Circulating tumor DNA (ctDNA) is also a potential predictive biomarker of recurrence in patients with early stage NSCLC. A meta-analysis was conducted to identify the prognostic value of the CTCs and ctDNA in predicting the disease recurrence after surgery of NSCLC patients...
April 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29780251/wwc3-inhibits-epithelial-mesenchymal-transition-of-lung-cancer-by-activating-hippo-yap-signaling
#14
Qiang Han, Joachim Kremerskothen, Xuyong Lin, Xiupeng Zhang, Xuezhu Rong, Di Zhang, Enhua Wang
Background: Though we recently reported that the WWC3 inhibits the invasiveness and metastasis of lung cancer by activating the Hippo pathway, the impact and underlying mechanisms of this process still remain unclear. Methods: To identify the role of WWC3 in epithelial-mesenchymal transition of lung cancer, we performed immunohistochemistry to detect the expression levels of WWC3 and EMT-related biomarker, and analyzed their correlations in a cohort of 127 patients with NSCLC...
2018: OncoTargets and Therapy
https://www.readbyqxmd.com/read/29778463/urinary-8-isoprostane-levels-and-occurrence-of-lung-colorectal-prostate-breast-and-overall-cancer-results-from-a-large-population-based-cohort-study-with-14-years-of-follow-up
#15
Xīn Gào, Hermann Brenner, Bernd Holleczek, Katarina Cuk, Yan Zhang, Ankita Anusruti, Yang Xuan, Yiwei Xu, Ben Schöttker
BACKGROUND: Urinary 8-isoprostane is an established biomarker for lipid peroxidation. However, the association between its pre-diagnostic levels and cancer incidence has rarely been evaluated. METHODS: 8,793 older adults from the German ESTHER cohort were followed up for cancer incidence by cancer registry data. A directed acyclic graph was utilized to identify potential confounders. Multivariate Cox regression models were applied to estimate hazard ratios (HRs) and 95% confidence intervals (95% CI)...
May 17, 2018: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/29777909/lncrnas-as-potential-molecular-biomarkers-for-the-clinicopathology-and-prognosis-of-glioma-a-systematic-review-and-meta-analysis
#16
REVIEW
Qian Zhou, Jing Liu, Jing Quan, Wenlan Liu, Hui Tan, Weiping Li
BACKGROUND: An increasing number of studies have shown that long noncoding RNAs (lncRNAs) play important roles in the development of glioma. However, a systematic review and meta-analysis to evaluate the clinical value of lncRNA expression in glioma patients is lacking. We performed this study to assess the relationship between the expression of various lncRNAs and the clinicopathological features, diagnosis and prognosis of glioma. MATERIALS AND METHODS: Eligible studies were identified through a comprehensive literature search...
May 16, 2018: Gene
https://www.readbyqxmd.com/read/29777877/multi-walled-carbon-nanotubeinduced-inhalation-toxicity-recognizing-nano-bis-demethoxy-curcumin-analog-as-an-ameliorating-candidate
#17
Arul Prakash Francis, Thiyagarajan Devasena, Selvam Ganapathy, Venkata Rajsekhar Palla, Prakhya Balakrishna Murthy, Sundara Ramaprabhu
Human beings and ecosystems are being possibly exposed to CNTs, as there is a rise in global production rate of carbon nanotubes (CNTs). This may affect the health of humans and increases the environmental risk. We have already reported the pulmonary toxicity due to the inhalation of MWCNTs. We claim that a compound with anti-inflammatory and antioxidant activity may ameliorate the CNT-induced toxic effect. With this view, we have investigated the ameliorative effect of intravenously-administered nano bis-demethoxy curcumin analog (NBDMCA) against MWCNTs-induced inhalation toxicity by examining the lung histopathology for inflammatory cell dynamics, pulmonary remodeling and estimating the inflammatory biomarkers in the broncho-alveolar lavage fluid...
May 16, 2018: Nanomedicine: Nanotechnology, Biology, and Medicine
https://www.readbyqxmd.com/read/29777796/identification-of-a-sodium-pump-na-k-atpase-%C3%AE-1-targeted-peptide-for-pet-imaging-of-breast-cancer
#18
Qian Wang, Shi-Bing Li, Yi-Ying Zhao, Da-Nian Dai, Hui Du, Yan-Zhu Lin, Jia-Cong Ye, Jing Zhao, Wei Xiao, Yan Mei, Yi-Tai Xiao, Shi-Chu Liu, Yan Li, Yun-Fei Xia, Er-Wei Song, Gang-Hua Tang, Wei-Guang Zhang, Zhi-Jiang Li, Xiao-Bin Zheng, De-Hai Cao, Man-Zhi Li, Qian Zhong, Zhong-Ping Chen, Chao-Nan Qian, Wei Fan, Guo-Kai Feng, Mu-Sheng Zeng
The sodium pump Na+ /K+ ATPase a1 subunit(NKA a1), an attractive cancer-related biomarker and therapeutic target, is closely related to the development and progression of several cancers including breast cancer. Currently, a NKA a1 inhibitor, UNBS1450, has already evidenced its great therapeutic potential in personalized cancer treatment. The ability of non-invasive imaging of NKA a1 expression would be useful for selecting cancer patients who may benefit from this drug. Here, we identified an S3 peptide that is specifically homed to breast cancer by phage display...
May 16, 2018: Journal of Controlled Release: Official Journal of the Controlled Release Society
https://www.readbyqxmd.com/read/29777315/the-mdm2-rs937283-a-g-variant-significantly-increases-the-risk-of-lung-and-gastric-cancer-in-chinese-population
#19
Bifeng Chen, Jieling Wang, Yucan Chen, Xiuli Gu, Xianhong Feng
BACKGROUND: Currently, the MDM2 promoter rs937283 A > G variant that is able to alter MDM2 gene expression has been widely studied to explore the association of MDM2 with cancer risk. In this report, we investigate the association of MDM2 rs937283 A > G variant with risk of lung cancer (LC) and gastric cancer (GC) in a Chinese population of Hubei province, which was followed by a meta-analysis. METHODS: The genotyping of rs937283 was performed by polymerase chain reaction-restriction fragment length polymorphism and confirmed by sequencing...
May 18, 2018: International Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29775807/fir-efficacy-safety-and-biomarker-analysis-of-a-phase-ii-open-label-study-of-atezolizumab-in-pd-l1-selected-patients-with-non-small-cell-lung-cancer
#20
David R Spigel, Jamie E Chaft, Scott Gettinger, Bo H Chao, Luc Dirix, Peter Schmid, Laura Q M Chow, Rodney J Hicks, Larry Leon, Jill Fredrickson, Marcin Kowanetz, Alan Sandler, Roel Funke, Naiyer A Rizvi
INTRODUCTION: The FIR phase II study (NCT01846416) evaluated the efficacy and safety of anti-programmed death-ligand 1 (PD-L1) atezolizumab in advanced non-small-cell lung cancer (NSCLC) selected by tumor cell (TC) or tumor-infiltrating immune cell (IC) PD-L1 expression. METHODS: Patients with PD-L1 TC2/3 (PD-L1 staining on ≥5% of TC) or IC2/3 tumors (PD-L1 staining on ≥5% of IC; determined by SP142 PD-L1 immunohistochemistry assay) with paired fresh and archival histology samples were recruited into Cohort 1 (chemotherapy-naïve/>6 months between adjuvant chemotherapy and recurrence), Cohort 2 (≥ second-line without brain metastases), or Cohort 3 (≥ second-line with treated brain metastases)...
May 15, 2018: Journal of Thoracic Oncology
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