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Exosomes and lung

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https://www.readbyqxmd.com/read/28623135/serum-long-non-coding-rna-malat-1-protected-by-exosomes-is-up-regulated-and-promotes-cell-proliferation-and-migration-in-non-small-cell-lung-cancer
#1
Rui Zhang, Yuhong Xia, Zhixin Wang, Jie Zheng, Yafei Chen, Xiaoli Li, Yu Wang, Huaikun Ming
Circulating lncRNAs have been defined as a novel biomarker for non-small cell lung cancer (NSCLC), MALAT-1 was first identified lncRNA that was related to lung cancer metastasis. However, the relationship between exosomal lncRNAs and the diagnosis and prognosis of NSCLC was poorly understood. The aim of this study is to evaluate the clinical significance of serum exosomal MALAT-1 as a biomarker in the metastasis of NSCLC. In this study, we firstly isolated the exosomes from healthy subjects and NSCLC patients...
June 13, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28619525/murine-and-human-pancreatic-tumor-exosome-recovery-in-mouse-serum-diagnostic-and-prognostic-potential-and-target-cell-delivery
#2
Ulrike Erb, Kun Zhao, Zhe Wang, Li Xiao, Margot Zöller
Exosomes (Exo), powerful intercellular communicators, are recovered in all body fluids, suggesting suitability for diagnosis and prognosis. Easy in vitro manipulation recommends Exo as drug vehicles. Aiming to consolidate diagnostic and therapeutic potential of Exo, we evaluated recovery and fate of tumor (TEX) and exogenous Exo in syngeneic and xenogeneic mice bearing a murine or a human pancreatic adenocarcinoma. A significant increase in serum (S)-TEX was observed 2 weeks after tumor cell application. Instead, S-TEX declined within 3-6 days after tumor excision...
June 12, 2017: Cancer Letters
https://www.readbyqxmd.com/read/28606918/evaluation-of-tumor-derived-exosomal-mirna-as-potential-diagnostic-biomarkers-for-early-stage-non-small-cell-lung-cancer-using-next-generation-sequencing
#3
Xiance Jin, Yanfan Chen, Hanbin Chen, Shaoran Fei, Didi Chen, Xiaona Cai, Linger Liu, Baochai Lin, Huafang Su, Lihao Zhao, Meng Su, Huanle Pan, Lanxiao Shen, Deyao Xie, Congying Xie
<br />To identify tumor-derived exosomal biomarkers that are able to discriminate between adenocarcinoma (AC) and squamous cell carcinoma (SCC) as a non-invasive method in the early diagnosis of non-small-cell lung cancer (NSCLC). <br /><br />Experimental Design: <br />Tumor-derived exosomes from the plasma of early stage NSCLC patients were isolated. Exosomal miRNA profiling of 46 stage I NSCLC patients and 42 healthy individuals was performed using miRNA-seq to identify and validate AC- and SCC-specific miRNAs...
June 12, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28600504/amphiregulin-contained-in-nsclc-exosomes-induces-osteoclast-differentiation-through-the-activation-of-egfr-pathway
#4
Simona Taverna, Marzia Pucci, Marco Giallombardo, Maria Antonietta Di Bella, Mariacarmela Santarpia, Pablo Reclusa, Ignacio Gil-Bazo, Christian Rolfo, Riccardo Alessandro
Non-small cell lung cancer (NSCLC) remains the leading cause of cancer-related deaths worldwide. The majority of patients are diagnosed in advanced disease stage. Bone metastasis is the most frequent complication in NSCLC resulting in osteolytic lesions. The perfect balance between bone-resorbing osteoclasts and bone-forming osteoblasts activity is lost in bone metastasis, inducing osteoclastogenesis. In NSCLC, the epidermal growth factor receptor (EGFR) pathway is constitutively activated. EGFR binds Amphiregulin (AREG) that is overexpressed in several cancers such as colon, breast and lung...
June 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28595637/exosome-mir-371b-5p-promotes-proliferation-of-lung-alveolar-progenitor-type-ii-cells-by-using-pten-to-orchestrate-the-pi3k-akt-signaling
#5
Yuan Quan, Zhaohua Wang, Ling Gong, Xinmiao Peng, Melissa A Richard, Junlan Zhang, Myriam Fornage, Joseph L Alcorn, Dachun Wang
BACKGROUND: Pathways directing endogenous stem/progenitor cells to restore normal architecture and function of damaged/diseased lungs remain underexplored. Published data have revealed that alveolar progenitor type II cell (ATIIC)-derived signaling promotes re-epithelialization of injured alveoli, yet the underlying mechanism is unknown. Here we aim to define the role of ATIIC-derived exosome miRNA signaling in controlling ATIIC-specific proliferation or differentiation in response to injury...
June 8, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28553110/cisplatin-resistant-lung-cancer-cell-derived-exosomes-increase-cisplatin-resistance-of-recipient-cells-in-exosomal-mir-100-5p-dependent-manner
#6
Xiaobing Qin, Shaorong Yu, Leilei Zhou, Meiqi Shi, Yong Hu, Xiaoyue Xu, Bo Shen, Siwen Liu, Dali Yan, Jifeng Feng
Exosomes derived from lung cancer cells confer cisplatin (DDP) resistance to other cancer cells. However, the underlying mechanism is still unknown. A549 resistance to DDP (A549/DDP) was established. Microarray was used to analyze microRNA (miRNA) expression profiles of A549 cells, A549/DDP cells, A549 exosomes, and A549/DDP exosomes. There was a strong correlation of miRNA profiles between exosomes and their maternal cells. A total of 11 miRNAs were significantly upregulated both in A549/DDP cells compared with A549 cells and in exosomes derived from A549/DDP cells in contrast to exosomes from A549 cells...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28541032/exosome-classification-by-pattern-analysis-of-surface-enhanced-raman-spectroscopy-data-for-lung-cancer-diagnosis
#7
Jaena Park, Miyeon Hwang, ByeongHyeon Choi, Hyesun Jeong, Jik-Han Jung, Hyun Koo Kim, Sunghoi Hong, Ji-Ho Park, Yeonho Choi
Owing to the role of exosome as a cargo for intercellular communication, especially in cancer metastasis, the evidence has been consistently accumulated that exosomes can be used as a noninvasive indicator of cancer. Consequently, several studies applying exosome have been proposed for cancer diagnostic methods such as ELISA assay. However, it has been still challenging to get reliable results due to the requirement of a labeling process and high concentration of exosome. Here, we demonstrate a label-free and highly sensitive classification method of exosome by combining surface-enhanced Raman scattering (SERS) and statistical pattern analysis...
June 5, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28536329/-multilateral-strategies-utilizing-exosomes-for-cancer-therapy
#8
Nao Nishida-Aoki, Takahiro Ochiya
Exosomes are nano-sized extracellular vesicles which transfer their components such as RNA, DNA, and proteins from one cell to another cell. The components are released to the cytoplasm of the recipient cells, having an effect on the cells. Cancerderived exosomes promote cancer progression, invasion, gain of drug resistance, and metastasis. Recently, according to their characteristics, it is expected to apply exosomes to cancer therapies, such as utilizing exosomes as drug delivery systems(DDS) for anticancer drugs and as cancer vaccines to enhance immunity to cancer cells...
May 2017: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/28524762/exosomes-promote-restoration-after-an-experimental-animal-model-of-intracerebral-hemorrhage
#9
Laura Otero-Ortega, Mari Carmen Gómez de Frutos, Fernando Laso-García, Berta Rodríguez-Frutos, Esperanza Medina-Gutiérrez, Juan Antonio López, Jesús Vázquez, Exuperio Díez-Tejedor, María Gutiérrez-Fernández
Exosomes are gaining importance because they show great promise in therapeutic applications for several diseases. Particularly in stroke, exosomes derived from mesenchymal stem cell (MSC) therapy work as paracrine effectors responsible for promoting neurovascular remodeling and functional recovery. Adult male rats were subjected to intracerebral hemorrhage (ICH) by intrastriatal injection of collagenase type IV; 24 h after surgery, MSC-derived exosomes were administered through the tail vein. The rats were euthanized at 7 or 28 days after treatment...
January 1, 2017: Journal of Cerebral Blood Flow and Metabolism
https://www.readbyqxmd.com/read/28523512/reduced-adipogenesis-after-lung-tumor-exosomes-priming-in-human-mesenchymal-stem-cells-via-tgf%C3%AE-signaling-pathway
#10
Shihua Wang, Xiaoxia Li, Meiqian Xu, Jing Wang, Robert Chunhua Zhao
A key feature of cancer cachexia is the loss of adipose tissue, mainly due to increased lipolysis and an impairment of adipogenesis. Recent findings have shown that cancer exosomes promoted lipolysis in adipose tissue. However, effects of cancer exosomes on adipogenesis were not reported. In this study, we found that lung cancer exosomes could be internalized by human adipose tissue-derived mesenchymal stem cells (hAD-MSCs) and significantly inhibited hAD-MSC adipogenesis as demonstrated by Oil Red O staining and decreased expression of adipogenic-specific genes...
May 18, 2017: Molecular and Cellular Biochemistry
https://www.readbyqxmd.com/read/28523150/cancer-s-smart-bombs-tumor-derived-exosomes-target-lung-epithelial-cells-triggering-pre-metastatic-niche-formation
#11
EDITORIAL
Dionysios Antonopoulos, Nikolaos A A Balatsos, Konstantinos I Gourgoulianis
No abstract text is available yet for this article.
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28505322/exosomes-in-toxicology-relevance-to-chemical-exposure-and-pathogenesis-of-environmentally-linked-diseases
#12
Dilshan S Harischandra, Shivani Ghaisas, Dharmin Rokad, Anumantha G Kanthasamy
Chronic exposure to environmental toxins has been known to initiate or aggravate various neurological disorders, carcinomas and other adverse health effects. Uptake by naïve cells of pathogenic factors such as danger-associated molecules, mRNAs, miRNAs or aggregated proteins leads to disruption in cellular homeostasis further resulting in inflammation and disease propagation. While early research tended to focus solely on exosomal removal of unwanted cellular contents, more recent reports indicate that these nano-vesicles play an active role in intercellular signaling...
May 15, 2017: Toxicological Sciences: An Official Journal of the Society of Toxicology
https://www.readbyqxmd.com/read/28491866/pulmonary-extracellular-vesicles-as-mediators-of-local-and-systemic-inflammation
#13
REVIEW
Casper J E Wahlund, Anders Eklund, Johan Grunewald, Susanne Gabrielsson
Cells of the airways are constantly exposed to environmental hazards including cigarette smoke, irritants, pathogens, and mechanical insults. Maintaining barrier integrity is vital, and mounting responses to threats depends on intercellular communication. Extracellular vesicles (EVs), including exosomes and microvesicles, are major signal mediators between cells, shuttling cargo in health and disease. Depending on the state of the originating cells, EVs are capable of inducing proinflammatory effects including antigen presentation, cellular migration, apoptosis induction, and inflammatory cytokine release...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28457227/nih-workshop-report-on-the-trans-agency-blood-brain-interface-workshop-2016-exploring-key-challenges-and-opportunities-associated-with-the-blood-brain-and-their-interface
#14
REVIEW
Margaret J Ochocinska, Berislav V Zlokovic, Peter C Searson, A Tamara Crowder, Richard P Kraig, Julia Y Ljubimova, Todd G Mainprize, William A Banks, Ronald Q Warren, Andrei Kindzelski, William Timmer, Christina H Liu
A trans-agency workshop on the blood-brain interface (BBI), sponsored by the National Heart, Lung and Blood Institute, the National Cancer Institute and the Combat Casualty Care Research Program at the Department of Defense, was conducted in Bethesda MD on June 7-8, 2016. The workshop was structured into four sessions: (1) blood sciences; (2) exosome therapeutics; (3) next generation in vitro blood-brain barrier (BBB) models; and (4) BBB delivery and targeting. The first day of the workshop focused on the physiology of the blood and neuro-vascular unit, blood or biofluid-based molecular markers, extracellular vesicles associated with brain injury, and how these entities can be employed to better evaluate injury states and/or deliver therapeutics...
May 1, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28454243/exosomal-microrna-in-plasma-as-a-non-invasive-biomarker-for-the-recurrence-of-non-small-cell-lung-cancer
#15
Hitoshi Dejima, Hisae Iinuma, Rie Kanaoka, Noriyuki Matsutani, Masafumi Kawamura
Predictive biomarkers for the recurrence of non-small cell lung cancer (NSCLC) in patients who have received curative resection are important for cancer treatment. The functional microRNAs (miRNAs/miRs) in the exosomes of plasma and serum samples are of interest as stable and non-invasive biomarkers for recurrence in cancer patients. The aim of the present study was to clarify the usefulness of plasma exosomal miRNAs as biomarkers for the prediction of recurrence in NSCLC following curative resection. First, microarray-based expression profiling of miRNAs derived from exosomes in the plasma of 6 patients was employed to identify a biomarker that distinguishes between patients with and without NSCLC recurrence...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28445609/exosomes-derived-from-mesenchymal-non-small-cell-lung-cancer-cells-promote-chemoresistance
#16
Richard J Lobb, Rosa van Amerongen, Adrian Wiegmans, Sunyoung Ham, Jill E Larsen, Andreas Möller
Non-small cell lung cancer (NSCLC) is the most common lung cancer type and the most common cause of mortality in lung cancer patients. NSCLC is often associated with resistance to chemotherapeutics and together with rapid metastatic spread, results in limited treatment options and poor patient survival. NSCLCs are heterogeneous, and consist of epithelial and mesenchymal NSCLC cells. Mesenchymal NSCLC cells are thought to be responsible for the chemoresistance phenotype, but if and how this phenotype can be transferred to other NSCLC cells is currently not known...
April 26, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28438662/never-let-it-go-stopping-key-mechanisms-underlying-metastasis-to-fight-pancreatic-cancer
#17
REVIEW
E Giovannetti, C L van der Borden, A E Frampton, A Ali, O Firuzi, G J Peters
Pancreatic ductal adenocarcinoma (PDAC) is an extremely aggressive neoplasm, predicted to become the second leading cause of cancer-related deaths before 2030. This dismal trend is mainly due to lack of effective treatments against its metastatic behavior. Therefore, a better understanding of the key mechanisms underlying metastasis should provide new opportunities for therapeutic purposes. Genomic analyses revealed that aberrations that fuel PDAC tumorigenesis and progression, such as SMAD4 loss, are also implicated in metastasis...
April 21, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/28437377/microrna-21-is-required-for-local-and-remote-ischemic-preconditioning-in-multiple-organ-protection-against-sepsis
#18
Ping Jia, Xiaoli Wu, Yan Dai, Jie Teng, Yi Fang, Jiachang Hu, Jianzhou Zou, Mingyu Liang, Xiaoqiang Ding
OBJECTIVE: Sepsis, triggered by microbial infection, is a common and life-threatening systemic illness, often leads to impaired function of vital organs. Ischemic preconditioning induced by transient brief episodes of ischemia is a powerful innate mechanism of organ protection. We have reported that a 15-minute renal ischemic preconditioning substantially attenuated subsequent renal ischemia-reperfusion injury. Here, we investigate whether a brief ischemia and reperfusion in kidney can provide protection at local and remote sites against sepsis-induced organ injury, and whether this protection is microRNA-21 dependent...
July 2017: Critical Care Medicine
https://www.readbyqxmd.com/read/28436951/hypoxic-lung-cancer-secreted-exosomal-mir-23a-increased-angiogenesis-and-vascular-permeability-by-targeting-prolyl-hydroxylase-and-tight-junction-protein-zo-1
#19
Y-L Hsu, J-Y Hung, W-A Chang, Y-S Lin, Y-C Pan, P-H Tsai, C-Y Wu, P-L Kuo
Hypoxia plays a critical role during the evolution of malignant cells and tumour microenvironment (TME).Tumour-derived exosomes contain informative microRNAs involved in the interaction of cancer and stromal cells, thus contributing to tissue remodelling of tumour microenvironment. This study aims to clarify how hypoxia affects tumour angiogenesis through exosomes shed from lung cancer cells. Lung cancer cells produce more exosomes under hypoxic conditions than do parental cells under normoxic conditions. miR-23a was significantly upregulated in exosomes from lung cancer under hypoxic conditions...
April 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28388958/pre-incubation-with-hucmsc-exosomes-prevents-cisplatin-induced-nephrotoxicity-by-activating-autophagy
#20
Bingying Wang, Haoyuan Jia, Bin Zhang, Juanjuan Wang, Cheng Ji, Xueming Zhu, Yongmin Yan, Lei Yin, Jing Yu, Hui Qian, Wenrong Xu
BACKGROUND: The administration of cisplatin is limited due to its nephrotoxic side effects, and prevention of this nephrotoxicity of cisplatin is difficult. Mesenchymal stem cell (MSC)-derived exosomes have been implicated as a novel therapeutic approach for tissue injury. In this study, we demonstrated that the pretreatment of human umbilical cord MSC-derived exosomes (hucMSC-Ex) can prevent the development of cisplatin-induced renal toxicity by activation of autophagy in vitro and in vivo...
April 8, 2017: Stem Cell Research & Therapy
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