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https://www.readbyqxmd.com/read/28546469/green-tea-egcg-enhances-cardiac-function-restoration-through-expression-of-survival-signaling-in-dm-rats-with-autologous-adipose-tissue-derived-stem-cell
#1
Tung-Sheng Chen, Show-Yih Liou, Chia-Hua Kuo, Lung-Fa Pan, Yu-Lan Yeh, Jeffery Liou, V Vijaya Padma, Chun-Hsu Yao, Wei-Wen Kuo, Chih-Yang Huang
The present study tests a hypothesis that cardioprotective effects mediated by autologous adipose-derived stem cells (ADSC) in rats afflicted with insulin-dependent diabetes mellitus (IDDM), may be synergistically enhanced by oral treatment with green tea epigallocatechin gallat (ECCG). Wistar rats were divided into sham, DM, DM+ADSC (autologous transplanted 1x106 cells/rat) and DM+ADSC+E (E, green tea oral administration EGCG). Heart tissues were isolated for all rats and investigations were performed after 2-months treatment...
May 25, 2017: Journal of Applied Physiology
https://www.readbyqxmd.com/read/28546377/respiratory-care-considerations-in-the-childhood-cancer-patient
#2
Lama Elbahlawan, K Jason Rains, Dennis C Stokes
This article reviews the common pulmonary complications seen in the pediatric oncology population and our approach to diagnosis, management, and therapy considerations in this specialized population, including patients receiving chemotherapy, radiation, and hematopoietic stem cell transplantation. Although infections cause the most significant complications in this population, non-infectious complications, including acute lung injury from chemotherapy or radiation, idiopathic interstitial pneumonia, diffuse alveolar hemorrhage, bronchiolitis obliterans, and cryptogenic organizing pneumonia, also occur commonly...
June 2017: Respiratory Care
https://www.readbyqxmd.com/read/28545380/from-stem-cell-biology-to-the-treatment-of-lung-diseases
#3
Dorina Esendagli, Aysen Gunel-Ozcan
The exposure of lung to noxious agents or gasses leads to injury, which further enhances repair mechanisms by promoting the proliferation and differentiation of lung stem cells. These cells could help preserve the anatomical structure and the function of the organ. Unfortunately in many lung diseases 'this scenario' is changed and injury progresses despite repair mechanisms or conventional treatment. This review summarizes the research on lung stem cells by giving an overview to the biology, function, niches and signaling that play role in lung stem cells and further to the regeneration of the lung...
May 23, 2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28544857/new-treatment-directions-for-ipf-current-status-of-ongoing-and-upcoming-clinical-trials
#4
Francesco Macagno, Francesco Varone, Paolo Maria Leone, Pier-Valerio Mari, Loredana Panico, Ludovica Berardini, Luca Richeldi
The main objective of this review is to explore the wide and expanding field of new clinical trials in IPF. Recent trials have confirmed the efficacy of the approved drugs pirfenidone and nintedanib; nonetheless, the discovery of new biological pathways has opened new horizons in this field. Areas Covered: New strategies against matrix deposition are under study and so is for the role of immunity and autoimmunity. Recent advances in the use of stem cells are opening new possibilities for the recovery of damaged lung tissues...
May 25, 2017: Expert Review of Respiratory Medicine
https://www.readbyqxmd.com/read/28542563/evaluation-of-somatostatin-and-nucleolin-receptors-for-therapeutic-delivery-in-non-small-cell-lung-cancer-stem-cells-applying-the-somatostatin-analog-dotatate-and-the-nucleolin-targeting-aptamer-as1411
#5
Sif Holmboe, Pernille Lund Hansen, Helge Thisgaard, Ines Block, Carolin Müller, Niels Langkjær, Poul Flemming Høilund-Carlsen, Birgitte Brinkmann Olsen, Jan Mollenhauer
Cancer stem cells represent the putative tumor-driving subpopulation thought to account for drug resistance, relapse, and metastatic spread of epithelial and other cancer types. Accordingly, cell surface markers for therapeutic delivery to cancer stem cells are subject of intense research. Somatostatin receptor 2 and nucleolin are known to be overexpressed by various cancer types, which have elicited comprehensive efforts to explore their therapeutic utilization. Here, we evaluated somatostatin receptor 2 targeting and nucleolin targeting for therapeutic delivery to cancer stem cells from lung cancer...
2017: PloS One
https://www.readbyqxmd.com/read/28539564/improvement-of-local-cell-delivery-using-helix-transendocardial-delivery-catheter-in-a-porcine-heart
#6
Yoshiaki Mitsutake, Wook Bum Pyun, Didier Rouy, Cheryl Wong Po Foo, Simon H Stertzer, Peter Altman, Fumiaki Ikeno
Cardiac regeneration strategies using stem cells have shown variable and inconsistent results with respect to patient cardiac function and clinical outcomes. There has been increasing consensus that improving the efficiency of delivery may improve results. The Helix transendocardial delivery system (BioCardia Inc.) has been developed to enable percutaneous transendocardial biotherapeutic delivery. Therefore, we evaluated cell retention using this unique system compared with direct transepicardial injection and intracoronary infusion in an animal model...
May 23, 2017: International Heart Journal
https://www.readbyqxmd.com/read/28539271/gene-expression-profiling-of-tumor-associated-macrophages-after-exposure-to-single-dose-irradiation
#7
Wei-Hsiang Kung, Ching-Fang Yu, Andy Chi-Lung Lee, Chi-Dung Yang, Yu-Chen Liu, Fang-Hsin Chen, Hsien-Da Huang
Radiotherapy (RT) is a common cancer treatment approach that accounts for nearly 50% of patient treatment; however, tumor relapse after radiotherapy is still a major issue. To study the crucial role of tumor-associated macrophages (TAMs) in the regulation of tumor progression post-RT, microarray experiments comparing TAM gene expression profiles between unirradiated and irradiated tumors were conducted to discover possible roles of TAMs in initiation or contribution to tumor recurrence following RT, taking into account the relationships among gene expression, tumor microenvironment, and immunology...
April 30, 2017: Computational Biology and Chemistry
https://www.readbyqxmd.com/read/28537895/interaction-of-glycosphingolipids-gd3-and-gd2-with-growth-factor-receptors-maintains-breast-cancer-stem-cell-phenotype
#8
Yuh-Jin Liang, Chen-Yu Wang, I-An Wang, Yi-Wen Chen, Li-Tzu Li, Chuang-Yu Lin, Ming-Yi Ho, Tsung-Lung Chou, Ya-Hui Wang, Shih-Pin Chiou, Yu-Ju Lin, John Yu
Many studies have suggested that disialogangliosides, GD2 and GD3, are involved in the development of various tumor types. However, the functional relationships between ganglioside expression and cancer development or aggressiveness are not fully described. GD3 is upregulated in approximately half of all invasive ductal breast carcinoma cases, and enhanced expression of GD3 synthase (GD3S, alpha-N-acetylneuraminide alpha-2,8-sialyltransferase) in estrogen receptor-negative breast tumors, was shown to correlate with reduced overall patient survival...
May 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/28536313/dual-inhibition-of-nox2-and-receptor-tyrosine-kinase-by-bj-1301-enhances-anticancer-therapy-efficacy-via-suppression-of-autocrine-stimulatory-factors-in-lung-cancer
#9
Jaya Gautam, Jin-Mo Ku, Sushil Chandra Regmi, Hyunyoung Jeong, Ying Wang, Suhrid Banskota, Myo-Hyeon Park, Tae-Gyu Nam, Byeong-Seon Jeong, Jung-Ae Kim
NADPH oxidase-derived reactive oxygen species (ROS) potentiate receptor tyrosine kinase (RTK) signalling, resulting in enhanced angiogenesis and tumor growth. In the present study, we report that BJ-1301, a hybrid of pyridinol and alpha-tocopherol, exerts anticancer effects by dual inhibition of NADPH oxidase and RTK activities in endothelial and lung cancer cells. BJ-1301 suppresses ROS production by blocking translocation of NADPH oxidase cytosolic subunits to the cell membrane, thereby inhibiting activation...
May 23, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/28534939/mir%C3%A2-181b%C3%A2-5p-mediates-tgf%C3%A2-%C3%AE-1-induced-epithelial-to-mesenchymal-transition-in-non-small-cell-lung-cancer-stem-like-cells-derived-from-lung-adenocarcinoma-a549-cells
#10
Xuetao Li, Jing Han, Haizhen Zhu, Lina Peng, Zhengtang Chen
The ability of non-small cell lung cancer (NSCLC) cells to invade and metastasize is associated with epithelial-to-mesenchymal transition (EMT). The process of EMT is, at least in part, regulated by microRNAs. However, it is unknown whether microRNAs regulate EMT in cancer stem-like cells (CSLCs), or which microRNAs are involved. In the present study, we compared microRNA expression in A549 cells, TGF‑β1-treated A549 cells, CSLCs characterized by the CD133+/CD326+ phenotype, and TGF‑β1-treated CSLCs. We found that miR‑181b‑5p expression was upregulated by TGF‑β1...
May 17, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534140/protective-effects-of-neural-crest-derived-stem-cell-conditioned-media-against-ischemia-reperfusion-induced-lung-injury-in-rats
#11
Chung-Kan Peng, Shu-Yu Wu, Shih-En Tang, Min-Hui Li, Shih-Shiuan Lin, Shi-Jye Chu, Kun-Lun Huang
Current treatments for ischemia-reperfusion (IR)-induced acute lung injury are limited. Mesenchymal stem cell-conditioned medium (CM) has been reported to attenuate lung injury. Neural crest stem cells (NCSCs), a type of multipotent stem cells, are more easily obtained than mesenchymal stem cells. We hypothesize that NCSC-CM has anti-inflammatory properties that could protect against IR-induced lung injury in rats. In this study, NCSC-CM was derived from rat NCSCs. Typical acute lung injury was induced by 30-min ischemia followed by 90-min reperfusion in adult male Sprague-Dawley rats...
May 23, 2017: Inflammation
https://www.readbyqxmd.com/read/28534038/analysis-of-mitochondrial-transfer-in-direct-co-cultures-of-human-monocyte-derived-macrophages-mdm-and-mesenchymal-stem-cells-msc
#12
Megan V Jackson, Anna D Krasnodembskaya
Mesenchymal stem/stromal cells (MSC) are adult stem cells which have been shown to improve survival, enhance bacterial clearance and alleviate inflammation in pre-clinical models of acute respiratory distress syndrome (ARDS) and sepsis. These diseases are characterised by uncontrolled inflammation often underpinned by bacterial infection. The mechanisms of MSC immunomodulatory effects are not fully understood yet. We sought to investigate MSC cell contact-dependent communication with alveolar macrophages (AM), professional phagocytes which play an important role in the lung inflammatory responses and anti-bacterial defence...
May 5, 2017: Bio-protocol
https://www.readbyqxmd.com/read/28530121/glucocorticoids-retain-bi-potent-fibroblast-progenitors-during-alveolar-septation-in-mice
#13
Stephen E McGowan, Diann M McCoy
Glucocorticoids have been widely used and exert pleiotropic effects on alveolar structure and function, but do not improve the long-term clinical outcomes for patients with bronchopulmonary dysplasia, emphysema, or interstitial lung diseases. Treatments which foster alveolar regeneration could substantially improve the long-term outcomes for such patients. One approach to alveolar regeneration is to stimulate and guide intrinsic alveolar progenitors along developmental pathways used during secondary septation...
May 21, 2017: American Journal of Respiratory Cell and Molecular Biology
https://www.readbyqxmd.com/read/28529925/targeting-lung-cancer-stem-cells-research-and-clinical-impacts
#14
REVIEW
Norashikin Zakaria, Nazilah Abdul Satar, Noor Hanis Abu Halim, Siti Hawa Ngalim, Narazah Mohd Yusoff, Juntang Lin, Badrul Hisham Yahaya
Lung cancer is the most common cancer worldwide, accounting for 1.8 million new cases and 1.6 million deaths in 2012. Non-small cell lung cancer (NSCLC), which is one of two types of lung cancer, accounts for 85-90% of all lung cancers. Despite advances in therapy, lung cancer still remains a leading cause of death. Cancer relapse and dissemination after treatment indicates the existence of a niche of cancer cells that are not fully eradicated by current therapies. These chemoresistant populations of cancer cells are called cancer stem cells (CSCs) because they possess the self-renewal and differentiation capabilities similar to those of normal stem cells...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28529586/immunohistochemical-analysis-of-nanog-expression-and-epithelial-mesenchymal-transition-in-pulmonary-sarcomatoid-carcinoma
#15
Takeshi Tamaki, Toshiki Shimizu, Maiko Niki, Michiomi Shimizu, Tohru Nishizawa, Shosaku Nomura
Pulmonary sarcomatoid carcinomas (PSCs) are defined as a group of poorly differentiated non-small cell lung cancers that demonstrate sarcoma-like differentiation. The mechanism of mesenchymal differentiation in PSC is epithelial-mesenchymal transition (EMT). The expression of homeobox protein NANOG (NANOG), which regulates the pluripotency of embryonic stem cells, is associated with the EMT process. Therefore, the present study aimed to assess the expression level of NANOG and the status of the EMT process in PSC...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28528427/repeated-systemic-administration-of-adipose-tissue-derived-mesenchymal-stem-cells-prevents-tracheal-obliteration-in-a-murine-model-of-bronchiolitis-obliterans
#16
William Lorenzi, Fabiany Da Costa Gonçalves, Natália Schneider, Éverton Franco Silva, Fernanda Visioli, Ana Helena Paz, Mauricio Guidi Saueressig
OBJECTIVE: To investigate the effect of adipose tissue-derived mesenchymal stem cell (ASC) administered either systemically or locally in a murine model of bronchiolitis obliterans. RESULTS: When compared to controls, systemic treatment with 10(6) ASCs on D0 and a second dose on D7 significantly prevented tracheal obliteration 28 days after heterotopic tracheal transplantation (median of 94 vs. 16%; P < 0.01). A single dose tended towards less stenosis than controls, but did not reach statistical significance (28 vs...
May 20, 2017: Biotechnology Letters
https://www.readbyqxmd.com/read/28528134/enhancing-tumor-cell-response-to-multidrug-resistance-with-ph-sensitive-quercetin-and-doxorubicin-conjugated-multifunctional-nanoparticles
#17
Cenk Daglioglu
Classical chemotherapy uses chemotherapeutic agents as a mainstay of anticancer treatment. However, the development of multidrug resistance to chemotherapy limits the effectiveness of current cancer treatment. Nanosized bioconjugates combining a chemotherapeutic agent with a pharmacological approach may improve the curative effect of chemotherapeutic agents. Herein I addressed this issue by describing the synthesis, and testing of, pH-responsive Fe3O4@SiO2(FITC)-BTN/QUR/DOX multifunctional nanoparticles. The particles were designed to modulate resistance-mediating factors and to potentiate the efficacy of DOX against chemoresistance...
May 10, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28526296/mesenchymal-stem-cells-mscs-attenuate-cutaneous-sclerodermatous-graft-versus-host-disease-scl-gvhd-through-inhibition-of-immune-cell-infiltration-in-a-mouse-model
#18
Ji-Young Lim, Da-Bin Ryu, Sung-Eun Lee, Gyeongsin Park, Chang-Ki Min
Human chronic graft-versus-host disease (CGVHD) shares clinical characteristics with a murine sclerodermatous GVHD (Scl-GVHD) model that is characterized by skin thickening and lung fibrosis. A B10.D2 → BALB/c transplant model of Scl-GVHD was used to address the therapeutic effect of mesenchymal stem cells (MSCs) on the development of CGVHD. The clinical and pathological severity of cutaneous Scl-GVHD was significantly attenuated in MSC-treated recipients relative to Scl-GVHD controls. After MSC treatment, skin collagen production was significantly reduced with consistent downregulation of TGF-β expression...
May 16, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28524762/exosomes-promote-restoration-after-an-experimental-animal-model-of-intracerebral-hemorrhage
#19
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/28524369/therapeutic-roles-of-telocytes-in-ova-induced-acute-asthma-in-mice
#20
Ling Ye, Dongli Song, Meiling Jin, Xiangdong Wang
Telocytes (TCs) newly discovered as the mesenchyme-derived interstitial cells were found to have supportive effects on mesenchymal stem cells (MSCs). The present study aimed at investigating effects of TCs or TCs gathered with MSCs on experimental airway inflammation and hyper-responsiveness. The TCs were isolated from the lung tissue of the female BALB/c mice. The ovalbumin (OVA)-induced asthma model was established. TCs (1 × 10(6) /2 × 10(6) ) and/or MSCs (1 × 10(6) ) were injected through mice tail vein for consecutive three days before OVA excited the mice...
May 19, 2017: Journal of Cellular and Molecular Medicine
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