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Exosomes and lung

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https://www.readbyqxmd.com/read/27894084/curcumin-increases-exosomal-tcf21-thus-suppressing-exosome-induced-lung-cancer
#1
Hao Wu, Jingcheng Zhou, Chao Zeng, Da Wu, Zhimin Mu, Baokun Chen, Yuancai Xie, Yiwang Ye, Jixian Liu
Curcumin is a novel drug for lung cancer treatment. However, the mechanism underlying the anti-tumor effect of curcumin remains elusive. Previous evidences indicated that, the methylating transferase DNMT1 is downregulated by curcumin, and the transcription factor 21 (TCF21) is suppressed by DNMT1. We hereby attempt to elucidate the correlation between curcumin treatment and TCF21 expression. Exosomes derived from curcumin-pretreated H1299 cells were used to treat BEAS-2B cells, which induced proliferation, colony formation and migration of BEAS-2B cells...
November 22, 2016: Oncotarget
https://www.readbyqxmd.com/read/27866522/-research-progress-of-exosomes-in-lung-cancer-diagnosis-and-treatment
#2
Hongbo Zou, Hong Wu, Chuan Xu
As the leading cause of morbidity and cancer related-death worldwide, lung cancer has a serious threat to human health. Exosomes are nanoscale lipid membrane vesicles derived from multivesicles, which containing active biomolecules including proteins, lipids, nucleic acids and etc. Exosomes play important roles in lung cancer initiation and progression by promoting the formation of tumor microenvironment, enhancing tumor invasive and metastasis capability, leading to immunosuppression and resistance to chemoradiotherapy, and also have the application value in early diagnosis and treatment...
November 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27859351/exosomes-in-immunoregulation-of-chronic-lung-diseases
#3
REVIEW
K P Hough, D Chanda, S R Duncan, V J Thannickal, J S Deshane
Exosomes are nano-sized, membrane-bound vesicles released from cells that transport cargo including DNA, RNA, and proteins, between cells as a form of intercellular communication. In addition to their role in intercellular communication, exosomes are beginning to be appreciated as agents of immunoregulation that can modulate antigen presentation, immune activation, suppression and surveillance. This article summarizes how these multifaceted functions of exosomes may promote development and/or progression of chronic inflammatory lung diseases including asthma, chronic obstructive pulmonary disease, and pulmonary fibrosis...
November 15, 2016: Allergy
https://www.readbyqxmd.com/read/27856179/exosomal-proteins-as-prognostic-biomarkers-in-non-small-cell-lung-cancer
#4
B Sandfeld-Paulsen, N Aggerholm-Pedersen, R Bæk, K R Jakobsen, P Meldgaard, B H Folkersen, T R Rasmussen, K Varming, M M Jørgensen, B S Sorensen
BACKGROUND: Use of exosomes as biomarkers in non-small cell lung cancer (NSCLC) is an intriguing approach in the liquid-biopsy era. Exosomes are nano-sized vesicles with membrane-bound proteins that reflect their originating cell. Prognostic biomarkers are needed to improve patient selection for optimal treatment. We here evaluate exosomes by protein phenotyping as a prognostic biomarker in NSCLC. METHODS: Exosomes from plasma of 276 NSCLC patients were phenotyped using the Extracellular Vesicle Array; 49 antibodies captured the proteins on the exosomes, and a cocktail of biotin-conjugated antibodies binding the general exosome markers CD9, CD81 and CD63 was used to visualise the captured exosomes...
October 21, 2016: Molecular Oncology
https://www.readbyqxmd.com/read/27835864/senescent-stromal-cell-induced-divergence-and-therapeutic-resistance-in-t-cell-acute-lymphoblastic-leukemia-lymphoma
#5
David M Habiel, Nicolas Krepostman, Michael Lilly, Karen Cavassani, Ana Lucia Coelho, Takehiko Shibata, Kojo Elenitoba-Johnson, Cory M Hogaboam
T cell Acute Lymphoblastic Leukemia/Lymphoma (T-ALL/LBL) is a precursor T cell leukemia/lymphoma that represents approximately 15% of all childhood and 25% of adult acute lymphoblastic leukemia. Although a high cure rate is observed in children, therapy resistance is often observed in adults and mechanisms leading to this resistance remain elusive. Utilizing public gene expression datasets, a fibrotic signature was detected in T-LBL but not T-ALL biopsies. Further, using a T-ALL cell line, CCRF-CEM (CEM) cells, we show that CEM cells induce pulmonary remodeling in immunocompromised mice, suggesting potential interaction between these cells and lung fibroblasts...
November 7, 2016: Oncotarget
https://www.readbyqxmd.com/read/27832183/tumor-cell-derived-exosomes-from-the-prostate-cancer-cell-line-tramp-c1-impair-osteoclast-formation-and-differentiation
#6
Terese Karlsson, Marie Lundholm, Anders Widmark, Emma Persson
Skeletal metastatic disease is a deleterious consequence of dissemination of tumor cells from numerous primary sites, such as prostate, lung and breast. Skeletal metastases are still incurable, resulting in development of clinical complications and decreased survival for cancer patients with metastatic disease. During the last decade, tumor cell-derived microvesicles have been identified and suggested to be involved in cancer disease progression. Whether cancer exosomes are involved in tumor and bone cell interactions in the metastatic site is still, however, a rather unexplored field...
2016: PloS One
https://www.readbyqxmd.com/read/27826534/fusion-gene-and-splice-variant-analyses-in-liquid-biopsies-of-lung-cancer-patients
#7
REVIEW
Cristina Aguado, Ana Giménez-Capitán, Niki Karachaliou, Ana Pérez-Rosado, Santiago Viteri, Daniela Morales-Espinosa, Rafael Rosell
Obtaining a biopsy of solid tumors requires invasive procedures that strongly limit patient compliance. In contrast, a blood extraction is safe, can be performed at many time points during the course disease and encourages appropriate therapy modifications, potentially improving the patient's clinical outcome and quality of life. Fusion of the tyrosine kinase genes anaplastic lymphoma kinase (ALK), C-ROS oncogen 1 (ROS 1), rearranged during transfection (RET) and neurotrophic tyrosine kinase 1 (NTRK1) occur in 1-5% of lung adenocarcinomas and constitute therapeutic targets for tyrosine kinase inhibitors...
October 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/27826529/exosomes-genetic-cargo-in-lung-cancer-a-truly-pandora-s-box
#8
REVIEW
Pablo Reclusa, Rafael Sirera, Antonio Araujo, Marco Giallombardo, Anna Valentino, Laure Sorber, Ignacio Gil Bazo, Patrick Pauwels, Christian Rolfo
Lung cancer is a highly lethal disease. Targeted therapies have been developed in last years, however survival rates are not improving due to the delay in the diagnosis, making biomarkers one of the most interesting fields of study in cancer. Liquid biopsy has raised as an alternative to tissue biopsy due to improvements in analytical techniques for circulating tumor cells (CTCs), cell free DNA and exosomes. Among all, exosomes have raised as one of the most promising tools to understand the tumor due to their stability in the blood and their similarity to the cells of origin...
October 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/27826527/liquid-biopsy-based-biomarkers-in-non-small-cell-lung-cancer-for-diagnosis-and-treatment-monitoring
#9
REVIEW
David Pérez-Callejo, Atocha Romero, Mariano Provencio, María Torrente
Advances in the knowledge of the biology of non-small cell lung cancer (NSCLC) have revealed molecular information used for systemic cancer therapy targeting metastatic disease, with an important impact on patients overall survival (OS) and quality of life. However, a biopsy of overt metastases is an invasive procedure limited to certain locations and not easily acceptable in the clinic. Moreover, a single biopsy cannot reflect the clonal heterogeneity of the tumor. The analysis of peripheral blood samples of cancer patients represents a new source of cancer-derived material, known as liquid biopsy, and its components can be obtained from almost all body fluids...
October 2016: Translational Lung Cancer Research
https://www.readbyqxmd.com/read/27793019/intravenous-administration-of-xenogenic-adipose-derived-mesenchymal-stem-cells-admsc-and-admsc-derived-exosomes-markedly-reduced-brain-infarct-volume-and-preserved-neurological-function-in-rat-after-acute-ischemic-stroke
#10
Kuan-Hung Chen, Chih-Hung Chen, Christopher Glenn Wallace, Chun-Man Yuen, Gour-Shenq Kao, Yi-Ling Chen, Pei-Lin Shao, Yung-Lung Chen, Han-Tan Chai, Kun-Chen Lin, Chu-Feng Liu, Hsueh-Wen Chang, Mel S Lee, Hon-Kan Yip
We tested the hypothesis that combined xenogenic (from mini-pig) adipose-derived mesenchymal stem cell (ADMSC) and ADMSC-derived exosome therapy could reduce brain-infarct zone (BIZ) and enhance neurological recovery in rat after acute ischemic stroke (AIS) induced by 50-min left middle cerebral artery occlusion. Adult-male Sprague-Dawley rats (n = 60) were divided equally into group 1 (sham-control), group 2 (AIS), group 3 [AIS-ADMSC (1.2×106 cells)], group 4 [AIS-exosome (100μg)], and group 5 (AIS-exosome-ADMSC)...
October 25, 2016: Oncotarget
https://www.readbyqxmd.com/read/27771257/excretory-secretory-products-in-the-echinococcus-granulosus-metacestode-is-the-intermediate-host-complacent-with-infection-caused-by-the-larval-form-of-the-parasite
#11
Guilherme B Dos Santos, Karina M Monteiro, Edileuza Danieli da Silva, Maria Eduarda Battistella, Henrique B Ferreira, Arnaldo Zaha
The genus Echinococcus consists of parasites that have a life cycle with two mammalian hosts. Their larval stage, called the hydatid cyst, develops predominantly in the liver and lungs of intermediate hosts. The hydatid cyst is the causative agent of cystic hydatid disease and the species Echinococcus granulosus, G1 haplotype, is responsible for the vast majority of cases in humans, cattle and sheep. Protein characterization in hydatid cysts is essential for better understanding of the host-parasite relationship and the fertility process of Echinococcus...
December 2016: International Journal for Parasitology
https://www.readbyqxmd.com/read/27762090/wnt5b-associated-exosomes-promote-cancer-cell-migration-and-proliferation
#12
Takeshi Harada, Hideki Yamamoto, Shosei Kishida, Michiko Kishida, Chihiro Awada, Toshifumi Takao, Akira Kikuchi
Wnt5b, a member of the same family of proteins as Wnt5a of which overexpression is associated with cancer aggressiveness, is suggested to be involved in cancer progression, however details remain unclarified. We analyzed biochemical properties of purified Wnt5b and the mode of secretion of Wnt5b by cancer cells. Wnt5b was glycosylated at three asparagine residues and lipidated at one serine residue, and these post-translational modifications of Wnt5b are essential for secretion. Purified Wnt5b showed Dvl2 phosphorylation and Rac activation abilities to a similar extent as Wnt5a...
October 20, 2016: Cancer Science
https://www.readbyqxmd.com/read/27760843/exosomal-annexin-a2-promotes-angiogenesis-and-breast-cancer-metastasis
#13
Sayantan Maji, Pankaj Chaudhary, Irina Akopova, Phung M Nguyen, Richard J Hare, Ignacy Gryczynski, Jamboor K Vishwanatha
: Tumor-derived exosomes are emerging mediators of tumorigenesis and tissue-specific metastasis. Proteomic profiling has identified Annexin A2 as one of the most highly expressed proteins in exosomes; however, studies focused on the biological role of exosomal-AnnexinA2 (exo-AnxA2) are still lacking. In this study, mechanistic insight was sought regarding exo-AnxA2 and its function in angiogenesis and breast cancer metastasis. Multiple in vitro and in vivo techniques were used to study the role of exo-AnxA2 in angiogenesis...
October 19, 2016: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/27760789/the-biodistribution-and-immune-suppressive-effects-of-breast-cancer-derived-exosomes
#14
Shu Wen Wen, Jaclyn Sceneay, Luize Goncalves Lima, Christina S F Wong, Melanie Becker, Sophie Krumeich, Richard J Lobb, Vanessa Castillo, Ke Ni Wong, Sarah Ellis, Belinda S Parker, Andreas Möller
Small membranous secretions from tumor cells, termed exosomes, contribute significantly to intercellular communication and subsequent reprogramming of the tumor microenvironment. Here, we use optical imaging to determine that exogenously administered fluorescently labeled exosomes derived from highly metastatic murine breast cancer cells distributed predominantly to the lung of syngeneic mice, a frequent site of breast cancer metastasis. At the sites of accumulation, exosomes were taken up by CD45(+) bone marrow-derived cells...
December 1, 2016: Cancer Research
https://www.readbyqxmd.com/read/27743380/differential-mirna-expression-in-pleural-effusions-derived-from-extracellular-vesicles-of-patients-with-lung-cancer-pulmonary-tuberculosis-or-pneumonia
#15
Jin Lin, Yan Wang, Ye-Qing Zou, Xin Chen, Bo Huang, Jing Liu, Yan-Mei Xu, Jing Li, Jing Zhang, Wei-Ming Yang, Qing-Hua Min, Fan Sun, Shu-Qi Li, Qiu-Fang Gao, Xiao-Zhong Wang
MicroRNAs (miRNAs) have been found to play important regulatory roles in various physiological and pathological processes. MiRNAs also exhibit high stability and are present at high concentrations in human bodily fluids. Consequently, miRNAs may represent attractive and novel diagnostic biomarkers for certain clinical conditions. Recently, the capacity for extracellular vesicles, including microvesicles and exosomes, to carry miRNAs that participate in cell-to-cell communication has been described. In the present study, the miRNA expression patterns for three kinds of pleural effusions that were obtained from patients with pneumonia (group A), pulmonary tuberculosis (group B), and lung cancer (group C) were detected with high-throughput sequencing...
October 14, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27738390/exosomes-and-exosomal-mirna-in-respiratory-diseases
#16
Shamila D Alipoor, Esmaeil Mortaz, Johan Garssen, Masoud Movassaghi, Mehdi Mirsaeidi, Ian M Adcock
Exosomes are nanosized vesicles released from every cell in the body including those in the respiratory tract and lungs. They are found in most body fluids and contain a number of different biomolecules including proteins, lipids, and both mRNA and noncoding RNAs. Since they can release their contents, particularly miRNAs, to both neighboring and distal cells, they are considered important in cell-cell communication. Recent evidence has shown their possible importance in the pathogenesis of several pulmonary diseases...
2016: Mediators of Inflammation
https://www.readbyqxmd.com/read/27731391/epithelial-cell-derived-microvesicles-activate-macrophages-and-promote-inflammation-via-microvesicle-containing-micrornas
#17
Heedoo Lee, Duo Zhang, Ziwen Zhu, Charles S Dela Cruz, Yang Jin
Intercellular communications between lung epithelial cells and alveolar macrophages play an essential role in host defense against acute lung injury. Hyperoxia-induced oxidative stress is an established model to mimic human lung injury. We show that after hyperoxia-associated oxidative stress, a large amount of extracellular vesicles (EVs) are detectable in bronchoalveolar lavage fluid (BALF) and culture medium of lung epithelial cells. Microvesicles (MVs), but not exosomes (Exos) or apoptotic bodies (Abs), are the main type of EVs found in the early stages after hyperoxia...
October 12, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27722146/quantitative-analysis-of-exosomes-from-murine-lung-cancer-cells-by-flow-cytometry
#18
Kyung-Taek Rim, Soo-Jin Kim
In vivo studies regarding biochemical, molecular biological, and histopathological changes in cancer tissues have been widely performed by the administration of carcinogens in rodents. In these established methods, dissection of the animal following sacrifice must be carried out. Exosomes are cell-derived vesicles that are present in all body fluids and these vesicles have specific roles within cells. Thus, much attention is given to the clinical application of exosomes that can possibly be used for prediction and therapy and as biomarkers related to cancer...
September 2016: Journal of Cancer Prevention
https://www.readbyqxmd.com/read/27722038/extracellular-vesicles-facilitate-the-intercellular-communications-in-the-pathogenesis-of-lung-injury
#19
Heedoo Lee, Duo Zhang, Jasleen Minhas, Yang Jin
Extracellular vesicles (EVs) are a group of heterogeneous, nano-sized structures surrounded by lipid bilayer membranes that are released by cells. Depending on their size and mechanisms of formation, EVs are often referred to as exosomes, microvesicles (MVs) and apoptotic bodies (AB). EVs are evolutionally conserved vesicles that mediate intercellular communications and cross-talk, via transferring proteins, lipids and nucleic acids. Accumulating evidence suggests that EVs exert essential physiological and pathological functions on both their mother and recipient cells...
August 2016: Cell & Developmental Biology
https://www.readbyqxmd.com/read/27683122/different-growth-and-metastatic-phenotypes-associated-with-a-cell-intrinsic-change-of-met-in-metastatic-melanoma
#20
Eri Adachi, Katsuya Sakai, Takumi Nishiuchi, Ryu Imamura, Hiroki Sato, Kunio Matsumoto
A dynamic phenotypic change contributes to the metastatic progression and drug resistance in malignant melanoma. Nevertheless, mechanisms for a phenotypic change have remained to be addressed. Here, we show that Met receptor expression changes in a cell-autonomous manner and can distinguish phenotypical differences in growth, as well as in metastatic and drug-resistant characteristics. In metastatic melanoma, the cells are composed of Met-low and Met-high populations. Met-low populations have stem-like gene expression profiles, are resistant to chemotherapeutic agents, and have shown abundant angiogenesis and rapid tumor growth in subcutaneous inoculation...
September 23, 2016: Oncotarget
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