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https://www.readbyqxmd.com/read/29330880/concise-review-optimized-strategies-for-stem-cell-based-therapy-in-myocardial-repair-clinical-translatability-and-potential-limitation
#1
REVIEW
Rongrong Wu, Xinyang Hu, Jian'an Wang
Ischemic heart diseases (IHDs) remain major public health problems with high rates of morbidity and mortality worldwide. Despite significant advances, current therapeutic approaches are unable to rescue the extensive and irreversible loss of cardiomyocytes caused by severe ischemia. Over the past 16 years, stem cell-based therapy has been recognized as an innovative strategy for cardiac repair/regeneration and functional recovery after IHDs. Although substantial preclinical animal studies using a variety of stem/progenitor cells have shown promising results, there is a tremendous degree of skepticism in the clinical community as many stem cell trials do not confer any beneficial effects...
January 13, 2018: Stem Cells
https://www.readbyqxmd.com/read/29330775/a-peg-based-method-for-the-isolation-of-urinary-exosomes-and-its-application-in-renal-fibrosis-diagnostics-using-cargo-mir-29c-and-mir-21-analysis
#2
Chun-Yan Lv, Wei-Jun Ding, Yi-Li Wang, Zi-Yi Zhao, Jin-Hui Li, Yan Chen, Jiao Lv
PURPOSE: To assess a new and highly specific, but low-cost, easily performed and suitable for large-scale applications method for renal fibrosis (RF) diagnostics. METHODS: Thirty-five RF and twenty non-RF patients were enrolled in the study. An appropriate polyethylene glycol (PEG) was used to isolate urinary exosomes. The efficiency of isolation process was evaluated by the morphology and size observation, as well as the detection of specific markers (CD63, CD9)...
January 12, 2018: International Urology and Nephrology
https://www.readbyqxmd.com/read/29330297/characterization-and-evidence-of-the-mir-888-cluster-as-a-novel-cancer-network-in-prostate
#3
Tsuyoshi Hasegawa, Garrison Glavich, Mary Pahuski, Aleena M Short, Oliver John Semmes, Lifang Yang, Vitold Galkin, Richard R Drake, Aurora Esquela-Kerscher
Prostate cancer afflicts 1 in 7 men and is the second leading cause of male cancer-related deaths in the United States. MicroRNAs (miRNAs), an extensive class of ~22 nucleotide non-coding RNAs, are often aberrantly expressed in tissues and fluids from prostate cancer patients but the mechanism of how specific miRNAs regulate prostate tumorigenesis and metastasis are poorly understood. Here, miR-888 was identified as a novel prostate factor that promotes proliferation and migration. miR-888 resides within a genomic cluster of 7 miRNA genes (mir-892c, mir-890, mir-888, mir-892a, mir-892b, mir-891b, mir-891a) on human chromosome Xq27...
January 12, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29329079/the-interactome-of-ebv-lmp1-evaluated-by-proximity-based-bioid-approach
#4
Mark A Rider, Mujeeb R Cheerathodi, Stephanie N Hurwitz, Dingani Nkosi, Lauren A Howell, Deanna C Tremblay, Xia Liu, Fanxiu Zhu, David G Meckes
Epstein-Barr virus LMP1 is an oncoprotein required for immortalizing B lymphocytes and also plays important roles in transforming non-lymphoid tissue. The discovery of LMP1 protein interactions will likely generate targets to treat EBV-associated cancers. Here, we define the broader LMP1 interactome using the recently developed BioID method. Combined with mass spectrometry, we identified over 1000 proteins across seven independent experiments with direct or indirect relationships to LMP1. Pathway analysis suggests that a significant number of the proteins identified are involved in signal transduction and protein or vesicle trafficking...
January 9, 2018: Virology
https://www.readbyqxmd.com/read/29328492/exosomes-derived-from-oxidized-ldl-stimulated-macrophages-attenuate-the-growth-and-tube-formation-of-endothelial-cells
#5
Chaoyang Huang, Yuan Huang, Yijiang Zhou, Wencheng Nie, Xiangyuan Pu, Xiaolei Xu, Jianhua Zhu
Oxidized low-density lipoprotein (oxLDL) has a critical role in the development of atherosclerosis. The participation of oxLDL‑stimulated macrophages has been well‑established in atherosclerosis, however the underlying mechanisms are unclear. Macrophage‑derived exosomes are actively released and are involved in numerous physiological and pathological processes. However, the function of exosomes secreted by oxLDL‑stimulated macrophages in atherosclerosis remains unknown. Exosomes from oxLDL‑treated macrophages and controls were co‑cultured with endothelial cells and the exosomes were taken up by endocytosis...
January 5, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29328436/role-of-exosomes-and-exosomal-micrornas-in-hepatocellular-carcinoma-potential-in-diagnosis-and-antitumour-treatments-review
#6
Jing-Hua Pan, Hong Zhou, Xiao-Xu Zhao, Hui Ding, Wei Li, Li Qin, Yun-Long Pan
Communication between hepatocellular carcinoma (HCC) cells and their environment is essential for the development and progression of HCC. Exosomes, which are microvesicles secreted by a number of cell types, are carriers of intercellular information and regulate the tumour microenvironment. Studies have demonstrated that exosomes are involved in the communication between HCC cells, endothelial cells and stem cells, and that they serve important roles in the metastasis and invasion, immune evasion and immunotherapy of HCC...
January 11, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29328396/placenta%C3%A2-associated-serum-exosomal-mir%C3%A2-155-derived-from-patients-with-preeclampsia-inhibits-enos-expression-in-human-umbilical-vein-endothelial-cells
#7
Li Shen, Yujing Li, Ruotian Li, Zhenyu Diao, Muyi Yany, Mengfei Wu, Haixiang Sun, Guijun Yan, Yali Hu
Preeclampsia (PE) is considered to be initiated by abnormal placentation in early pregnancy and results in systemic endothelial cell dysfunction in the second or third trimester. MicroRNAs (miRs) expressed in the human placenta can be secreted into maternal circulation via exosomes, which are secreted extracellular vesicles that serve important roles in intercellular communication. The present study hypothesized that upregulation of placenta‑associated serum exosomal miR‑155 from patients with PE may suppress endothelial nitric oxide synthase (eNOS) expression in endothelial cells...
January 8, 2018: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/29327816/brain-cortex-microglia-derived-exosomes-novel-nanoparticles-for-glioma-therapy
#8
Adriana-Natalia Murgoci, Dasa Cizkova, Petra Majerova, Eva Petrovova, Lubomir Medvecky, Isabelle Fournier, Michel Salzet
The function and integrity of nervous system require interactive exchanges among neurons and glial cells. Exosomes and other extracellular vesicles (EVs) are emerging as a key mediator of intercellular communication, capable to transfer nucleic acids, proteins and lipids, influencing numerous functional and pathological aspects of both donor and recipient cells. The immune response mediated by microglia derived exosomes are most prominently involved in the spread of neuroinflammation, neurodegenerative disorders and brain cancer...
January 12, 2018: Chemphyschem: a European Journal of Chemical Physics and Physical Chemistry
https://www.readbyqxmd.com/read/29326054/size-based-separation-methods-of-circulating-tumor-cells
#9
Si-Jie Hao, Yuan Wan, Yi-Qiu Xia, Xin Zou, Si-Yang Zheng
Circulating tumor cells (CTCs) originate from the primary tumor mass and enter into the peripheral bloodstream. Compared to other "liquid biopsy" portfolios such as exosome, circulating tumor DNA/RNA (ctDNA/RNA), CTCs have incomparable advantages in analyses of transcriptomics, proteomics, and signal colocalization. Hence, CTCs hold the key to understanding the biology of metastasis and play a vital role in cancer diagnosis, treatment monitoring, and prognosis. Size-based enrichment featureS prominently in CTC isolation...
January 8, 2018: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/29325643/the-secret-life-of-exosomes-what-bees-can-teach-us-about-next-generation-therapeutics
#10
REVIEW
Eduardo Marbán
Mechanistic exploration has pinpointed nanosized extracellular vesicles, known as exosomes, as key mediators of the benefits of cell therapy. Exosomes appear to recapitulate the benefits of cells and more. As durable azoic entities, exosomes have numerous practical and conceptual advantages over cells. Will cells end up just being used to manufacture exosomes, or will they find lasting value as primary therapeutic agents? Here, a venerable natural process-the generation of honey-serves as an instructive parable...
January 16, 2018: Journal of the American College of Cardiology
https://www.readbyqxmd.com/read/29325377/-research-progress-on-the-role-of-exosomes-in-myocardial-ischemia-reperfusion-injury
#11
(no author information available yet)
No abstract text is available yet for this article.
December 24, 2017: Zhonghua Xin Xue Guan Bing za Zhi
https://www.readbyqxmd.com/read/29323722/exosomal-mirnas-as-novel-cancer-biomarkers-challenges-and-opportunities
#12
Mahsa Salehi, Mohammadreza Sharifi
A biomarker with high specificity and sensitivity, is a basic requirement for non-invasive cancer diagnosis. Exosomes are a type of lipid bilayer extracellular vesicles (EVs), containing different components, including proteins, lipids, DNA, messenger RNA (mRNA) and non-coding RNAs. Increasing evidence indicates that nucleic acids are protected by exosome lipid membrane. These vesicles are almost released from all cell types, into biological fluids. In cancer, the expression of microRNAs (miRNAs), located in the tumor cell-derived exosomes, is deregulated and it could be led to metastasis and therapy resistance...
January 11, 2018: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29323124/mir-770-suppresses-the-chemo-resistance-and-metastasis-of-triple-negative-breast-cancer-via-direct-targeting-of-stmn1
#13
Yaming Li, Yiran Liang, Yuting Sang, Xiaojin Song, Hanwen Zhang, Ying Liu, Liyu Jiang, Qifeng Yang
Chemo-resistance and metastasis of triple negative breast cancer (TNBC) contributed the most of treatment failure in the clinic. MicroRNAs (miRNAs) have been proved to be involved in many biological processes and diseases. In this study, we aimed to determine the role of miR-770 in the regulation of chemo-resistance and metastasis of TNBC. Clinically, miR-770 was highly expressed in chemo-sensitive tissues and predicted a better prognosis of TNBC. Functionally, ectopic expression of miR-770 suppressed the doxorubicin-resistance of TNBC cell lines via regulation of apoptosis and tumor microenvironment, which was mediated by exosomes...
January 11, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29321591/respiratory-syncytial-virus-infection-changes-cargo-composition-of-exosome-released-from-airway-epithelial-cells
#14
Harendra Singh Chahar, Tiziana Corsello, Andrzej S Kudlicki, Narayana Komaravelli, Antonella Casola
Exosomes are microvesicles known to carry biologically active molecules, including RNA, DNA and proteins. Viral infections can induce profound changes in exosome composition, and exosomes have been implicated in viral transmission and pathogenesis. No information is current available regarding exosome composition and function during infection with Respiratory Syncytial Virus (RSV), the most important cause of lower respiratory tract infections in children. In this study, we characterized exosomes released from RSV-infected lung carcinoma-derived A549 cells...
January 10, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29320747/identification-of-cardiomyocyte-fated-progenitors-from-human-induced-pluripotent-stem-cells-marked-with-cd82
#15
Masafumi Takeda, Yasuharu Kanki, Hidetoshi Masumoto, Shunsuke Funakoshi, Takeshi Hatani, Hiroyuki Fukushima, Akashi Izumi-Taguchi, Yusuke Matsui, Teppei Shimamura, Yoshinori Yoshida, Jun K Yamashita
Here, we find that human-induced pluripotent stem cell (hiPSC)-derived cardiomyocyte (CM)-fated progenitors (CFPs) that express a tetraspanin family glycoprotein, CD82, almost exclusively differentiate into CMs both in vitro and in vivo. CD82 is transiently expressed in late-stage mesoderm cells during hiPSC differentiation. Purified CD82+ cells gave rise to CMs under nonspecific in vitro culture conditions with serum, as well as in vivo after transplantation to the subrenal space or injured hearts in mice, indicating that CD82 successfully marks CFPs...
January 9, 2018: Cell Reports
https://www.readbyqxmd.com/read/29320704/extracellular-vesicles-provide-a-means-for-tissue-crosstalk-during-exercise
#16
Martin Whitham, Benjamin L Parker, Martin Friedrichsen, Janne R Hingst, Marit Hjorth, William E Hughes, Casey L Egan, Lena Cron, Kevin I Watt, Rhiannon P Kuchel, Navind Jayasooriah, Emma Estevez, Tim Petzold, Catherine M Suter, Paul Gregorevic, Bente Kiens, Erik A Richter, David E James, Jørgen F P Wojtaszewski, Mark A Febbraio
Exercise stimulates the release of molecules into the circulation, supporting the concept that inter-tissue signaling proteins are important mediators of adaptations to exercise. Recognizing that many circulating proteins are packaged in extracellular vesicles (EVs), we employed quantitative proteomic techniques to characterize the exercise-induced secretion of EV-contained proteins. Following a 1-hr bout of cycling exercise in healthy humans, we observed an increase in the circulation of over 300 proteins, with a notable enrichment of several classes of proteins that compose exosomes and small vesicles...
January 9, 2018: Cell Metabolism
https://www.readbyqxmd.com/read/29318971/-phenserine-and-inhibiting-pre-programmed-cell-death-in-pursuit-of-a-novel-intervention-for-alzheimer-s-disease
#17
Robert E Becker, Nigel H Greig, Debomoy K Lahiri, Joseph Bledsoe, Sarah Majercik, Clive Ballard, Dag Aarsland, Lon S Schneiderh, Douglas Flanagan, Ramprakash Govindarajani, Mary Sano, Luigi Ferrucci, Dimitrios Kapogiannisk
BACKGROUND: Concussion (mild) and other moderate traumatic brain injury (TBI) and Alzheimer's disease (AD) share overlapping neuropathologies, including neuronal pre-programmed cell death (PPCD), and clinical impairments and disabilities. Multiple clinical trials targeting mechanisms based on the Amyloid Hypothesis of AD have so far failed, indicating that it is prudent for new drug developments to also pursue mechanisms independent of the Amyloid Hypothesis. To address these issue, we have proposed the use of an animal model of concussion/TBI as a supplement to AD transgenic mice to provide an indication of an AD drug candidate's potential for preventing PPCD and resulting progression towards dementia in AD...
January 10, 2018: Current Alzheimer Research
https://www.readbyqxmd.com/read/29316942/comparison-of-membrane-affinity-based-method-with-size-exclusion-chromatography-for-isolation-of-exosome-like-vesicles-from-human-plasma
#18
Ruzena Stranska, Laurens Gysbrechts, Jens Wouters, Pieter Vermeersch, Katarzyna Bloch, Daan Dierickx, Graciela Andrei, Robert Snoeck
BACKGROUND: Plasma extracellular vesicles (EVs), especially exosome-like vesicles (ELVs), are being increasingly explored as a source of potential noninvasive disease biomarkers. The discovery of blood-based biomarkers associated with ELVs requires methods that isolate high yields of these EVs without significant contamination with highly abundant plasma proteins and lipoproteins. The rising interest in blood-based EV-associated biomarkers has led to the rapid development of novel EV isolation methods...
January 9, 2018: Journal of Translational Medicine
https://www.readbyqxmd.com/read/29316217/exosomes-expressing-the-self-antigens-myosin-and-vimentin-play-an-important-role-in-syngeneic-cardiac-transplant-rejection-induced-by-antibodies-to-cardiac-myosin
#19
Monal Sharma, Wei Liu, Sudhir Perincheri, Muthukumar Gunasekaran, T Mohanakumar
Long-term success of heart transplantation is hindered by humoral and cell-mediated immune responses. We studied preexisting antibodies to two cardiac self-antigens, myosin and vimentin, and exosomes induced by antibodies to self-antigens in eliciting immune responses to cardiac grafts. After syngeneic heterotopic murine heart transplantation, rabbit anti-myosin or normal rabbit immunoglobulin was administered at days 0 or 7. Sera were collected after heartbeat cessation and cellular infiltration was analyzed, and exosomes were isolated from sera...
January 9, 2018: American Journal of Transplantation
https://www.readbyqxmd.com/read/29315763/mir-548a-3p-regulates-inflammatory-response-via-tlr4-nf-%C3%AE%C2%BAb-signaling-pathway-in-rheumatoid-arthritis
#20
Yingliang Wang, Donghua Xu, Shushan Yan, Laixia Zhang, Li Wang, Xiao Cai, Xiaodong Wang, Jibo Wang
Currently published studies have implicated that microRNAs (miRNAs) including exosomes-encapsulated miRNAs play a critical role in rheumatoid arthritis (RA). Previously, we have found that exosomes-encapsulated miR-548a-3p was significantly decreased in serum samples from RA patients by miRNAs microarray analysis. However, little is known of the role of miR-548a-3p in the development and progression of RA. In this study, we aim to investigate the underlying molecular mechanisms of miR-548a-3p in RA, which will provide new insight into understanding the pathogenesis of RA and identifying novel therapeutics targets for this disease...
January 6, 2018: Journal of Cellular Biochemistry
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