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Cytokines and Angiogenesis

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https://www.readbyqxmd.com/read/29243036/mediators-of-angiogenesis-and-fibrosis-in-igg4-related-disease
#1
Ilaria Puxeddu, Riccardo Capecchi, Federico Pratesi, Silvana Cianchetti, Antonio Tavoni, Paola Migliorini
IgG4-related disease (IgG4-RD) is a rare fibro-inflammatory condition that can affect almost any organ, characterized by tumefactive lesions and often by eosinophilia and elevated serum IgG4 concentrations. The aim of the study is to analyze in IgG4-RD patients the serum levels of a group of cytokines and growth factors potentially involved in the regulation of fibrotic processes. In the sera of 12 patients affected by IgG4-RD and of 15 normal healthy subjects (NHS), pro-fibrogenic mediators (TGF-β1 and periostin) and pro- (VEGF and angiogenin-1) and anti- (endostatin and thrombospondin-1) angiogenic mediators were measured by sandwich enzyme immunoassay...
December 14, 2017: Clinical and Experimental Medicine
https://www.readbyqxmd.com/read/29242144/recent-advances-in-understanding-the-roles-of-blood-platelets-in-the-pathogenesis-of-allergic-inflammation-and-bronchial-asthma
#2
REVIEW
Tomohiro Takeda, Hideaki Morita, Hirohisa Saito, Kenji Matsumoto, Akio Matsuda
Platelets play an essential role in hemostasis to minimize blood loss due to traumatic injury. In addition, they contain various immune-associated molecules and contribute to immunological barrier formation at sites of vascular injury, thereby protecting against invading pathogens. Platelets are also crucially involved in development of allergic diseases, including bronchial asthma. Platelets in asthmatics are more activated than those in healthy individuals. By using a murine asthma model, platelets were shown to be actively involved in progression of the disease, including in airway eosinophilia and airway remodeling...
December 11, 2017: Allergology International: Official Journal of the Japanese Society of Allergology
https://www.readbyqxmd.com/read/29241208/exosomes-from-mir-126-overexpressing-adscs-are-therapeutic-in-relieving-acute-myocardial-ischaemic-injury
#3
Qiancheng Luo, Dongfeng Guo, Guorong Liu, Guo Chen, Min Hang, Mingming Jin
BACKGROUND/AIMS: Recent studies have indicated that exosomes play an important role in adipose-derived stem cell (ADSC) transplant-mediated ischaemic heart disease therapy. However, the treatment effect is not obvious. The aim of this study is to investigate whether ADSC-derived exosomes enriched with microRNA (miR)-126 have a more protective effect on acute myocardial infarction (AMI). METHODS: Exosomes were characterized by transmission electron microscopy, and the exosome particles were further examined using nanoparticle tracking analyses...
December 12, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29240666/induction-of-inflammation-in-vivo-by-electrocardiogram-sensor-operation-using-wireless-power-transmission
#4
Jin-Chul Heo, Beomjoon Kim, Yoon-Nyun Kim, Dae-Kwang Kim, Jong-Ha Lee
Prolonged monitoring by cardiac electrocardiogram (ECG) sensors is useful for patients with emergency heart conditions. However, implant monitoring systems are limited by lack of tissue biocompatibility. Here, we developed an implantable ECG sensor for real-time monitoring of ventricular fibrillation and evaluated its biocompatibility using an animal model. The implantable sensor comprised transplant sensors with two electrodes, a wireless power transmission system, and a monitoring system. The sensor was inserted into the subcutaneous tissue of the abdominal area and operated for 1 h/day for 5 days using a wireless power system...
December 14, 2017: Sensors
https://www.readbyqxmd.com/read/29238626/c-kit-positive-cardiac-outgrowth-cells-demonstrate-better-ability-for-cardiac-recovery-against-ischemic-myopathy
#5
Chuan Li, Satoshi Matsushita, Zhengqing Li, Jianjun Guan, Atsushi Amano
Objective: Resident cardiac stem cells are expected to be a therapeutic option for patients who suffer from severe heart failure. However, uncertainty remains over whether sorting cells for c-kit, a stem cell marker, improves therapeutic outcomes. Materials and methods: Cardiac outgrowth cells cultured from explants of rat heart atrium were sorted according to their positivity (+) or negativity (-) for c-kit. These cells were exposed to hypoxia for 3 d, and subsequently harvested for mRNA expression measurement...
October 2017: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29238183/gene-and-mirna-expression-profiles-in-pbmcs-from-patients-with-severe-and-mild-emphysema-and-pizz-alpha1-antitrypsin-deficiency
#6
Cristina Esquinas, Sabina Janciauskiene, Ricardo Gonzalo, Gemma Mas de Xaxars, Beata Olejnicka, Irene Belmonte, Miriam Barrecheguren, Esther Rodriguez, Alexa Nuñez, Francisco Rodriguez-Frias, Marc Miravitlles
Introduction: COPD has complex etiologies involving both genetic and environmental determinants. Among genetic determinants, the most recognized is a severe PiZZ (Glu342Lys) inherited alpha1-antitrypsin deficiency (AATD). Nonetheless, AATD patients present a heterogeneous clinical evolution, which has not been completely explained by sociodemographic or clinical factors. Here we performed the gene expression profiling of blood cells collected from mild and severe COPD patients with PiZZ AATD...
2017: International Journal of Chronic Obstructive Pulmonary Disease
https://www.readbyqxmd.com/read/29235416/skeletal-muscle-cell-contraction-reduces-a-novel-myokine-chemokine-c-x-c-motif-ligand-10-cxcl10-potential-roles-in-exercise-regulated-angiogenesis
#7
Yuri Ishiuchi, Hitoshi Sato, Kazuki Tsujimura, Hideo Kawaguchi, Takashi Matsuwaki, Keitaro Yamanouchi, Masugi Nishihara, Taku Nedachi
Accumulating evidence indicates that skeletal muscle secrets proteins referred to as myokines and that exercise contributes to their regulation. In this study, we propose that chemokine (C-X-C motif) ligand 10 (CXCL10) functions as a novel myokine. Initially, we stimulated differentiated C2C12 myotubes with or without electrical pulse stimulation (EPS) to identify novel myokines. Cytokine array analysis revealed that CXCL10 secretion was significantly reduced by EPS, which was further confirmed by enzyme-linked immunosorbent assay and quantitative polymerase chain reaction analysis...
December 13, 2017: Bioscience, Biotechnology, and Biochemistry
https://www.readbyqxmd.com/read/29235261/interferon-%C3%AE-2-and-interferon-%C3%AE-induce-the-degranulation-independent-production-of-vegf-a-and-il-1-receptor-antagonist-and-other-mediators-from-human-mast-cells
#8
Sharon A Oldford, Suzanne P Salsman, Liliana Portales-Cervantes, Raidan Alyazidi, Robert Anderson, Ian D Haidl, Jean S Marshall
BACKGROUND: Mast cells are resident immune effector cells, often studied in the context of allergic disease. Found in substantial numbers at sites of potential infection they are increased at sites of angiogenesis and can be pivotal for the sensing and clearance of a variety of pathogens. Interferons (IFNs) are cytokines that are critical for host defence against intracellular pathogens. Increased levels of IFNs are observed during viral infection and in autoimmune diseases. IFNs are also widely used therapeutically and have been examined in the therapy of severe asthma...
December 13, 2017: Immunity, Inflammation and Disease
https://www.readbyqxmd.com/read/29226950/syndecans-in-chronic-inflammatory-and-autoimmune-diseases-pathological-insights-and-therapeutic-opportunities
#9
REVIEW
Solomon A Agere, Eugene Y Kim, Nahid Akhtar, Salahuddin Ahmed
Syndecans (SDCs) are a family of heparan sulfate proteoglycans (HSPGs) glycoproteins ubiquitously expressed on the cell surfaces and extracellular matrix of all mammalian tissues. There are four mammalian syndecans, SDC-1 thorough 4, which play a critical role in cell adhesion, migration, proliferation, differentiation, and angiogenesis through independent and growth factor mediated signaling. An altered expression of SDCs is often observed in autoimmune disorders, cancer, HIV infection, and many other pathological conditions...
December 11, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/29225709/immunomodulatory-effects-of-human-cryopreserved-viable-amniotic-membrane-in-a-pro-inflammatory-environment-in-vitro
#10
Claire E Witherel, Tony Yu, Mark Concannon, Will Dampier, Kara L Spiller
Introduction: Chronic wounds remain a major clinical challenge. Human cryopreserved viable amniotic membrane (hCVAM) is among the most successful therapies, but the mechanisms of action remain loosely defined. Because proper regulation of macrophage behavior is critical for wound healing with biomaterial therapies, we hypothesized that hCVAM would positively regulate macrophage behavior in vitro, and that soluble factors released from the hCVAM would be important for this effect. Materials and Methods: Primary human pro-inflammatory (M1) macrophages were seeded directly onto intact hCVAM or cultured in separation via transwell inserts (Soluble Factors) in the presence of pro-inflammatory stimuli (interferon-γ and lipopolysaccharide) to simulate the chronic wound environment...
October 2017: Cellular and Molecular Bioengineering
https://www.readbyqxmd.com/read/29223704/decellularized-heart-ecm-hydrogel-using-supercritical-carbon-dioxide-for-improved-angiogenesis
#11
Yoojin Seo, Youngmee Jung, Soo Hyun Kim
Initial angiogenesis within the first 3 days is critical for healing ischemic diseases such as myocardial infarction. Recently, decellularized extracellular matrix (dECM) has been reported to provide tissue-derived ECM components and can be used as a scaffold for cell delivery for angiogenesis in tissue engineering. Decellularization by various detergents such as sodium dodecyl sulfate (SDS) and triton X-100 can remove the cell nuclei in tissue organs. However, this leads to ECM structure denaturation, decreased presence of various ECM proteins and cytokines, and loss of mechanical properties...
December 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/29219656/modulating-secreted-components-of-tumor-microenvironment-a-masterstroke-in-tumor-therapeutics
#12
Himadri Patel, Pritish Nilendu, Devashree Jahagirdar, Jayanta K Pal, Nilesh Kumar Sharma
The microenvironment in which cancer resides plays an important role in regulating cancer survival, progression, malignancy and drug resistance. Tumor microenvironment (TME) consists of heterogeneous number and types of cellular and non-cellular components that vary in relation to tumor phenotype and genotype. In recent, non-cellular secreted components of microenvironmental heterogeneity have been suggested to contain various growth factors, cytokines, RNA, DNA, metabolites, structural matrix and matricellular proteins...
December 8, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/29215316/endothelial-progenitor-cells-for-cellular-angiogenesis-and-repair-lessons-learned-from-experimental-animal-models
#13
Khawaja Husnain Haider, Salim Aziz, Mateq Ali Al-Reshidi
Stem/progenitor cell-based therapy has been extensively studied for angiomyogenic repair of the ischemic heart by regeneration of the damaged myocytes and neovascularization of the ischemic tissue through biological bypassing. Given their inherent ability to assume functionally competent endothelial phenotype and release of broad array of proangiogenic cytokines, endothelial progenitor cells (EPCs)-based therapy is deemed as most appropriate for vaculogenesis in the ischemic heart. Emulating the natural repair process that encompasses mobilization and homing-in of the bone marrow and peripheral blood EPCs, their reparability has been extensively studied in the animal models of myocardial ischemia with encouraging results...
December 7, 2017: Regenerative Medicine
https://www.readbyqxmd.com/read/29215061/local-production-of-activated-factor-x-in-atherosclerotic-plaque-induced-vascular-smooth-muscle-cell-senescence
#14
Fumihiro Sanada, Jun Muratsu, Rei Otsu, Hideo Shimizu, Nobutaka Koibuchi, Kazutaka Uchida, Yoshiaki Taniyama, Shinichi Yoshimura, Hiromi Rakugi, Ryuichi Morishita
Our previous study demonstrated that coagulation factor Xa (FXa) induced endothelial cell senescence, resulting in inflammation and impaired angiogenesis. This mechanism is dictated through protease-activated receptors, PARs, insulin-like growth factor-binding protein 5 (IGFBP-5), and p53. Activation of PARs contributes to the pathophysiology of several chronic inflammatory diseases, including atherosclerosis. Thus, we speculated that similar mechanism might participate in the progression of atherosclerotic plaques...
December 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29212832/adenosine-a-2a-receptor-agonist-2-p-2-carboxyethyl-phenethylamino-5-n-ethylcarboxamidoadenosine-hydrochloride-hydrate-cgs21680-inhibits-inflammation-and-increases-fibroblast-growth-factor-2-fgf-2-tissue-expression-in-carrageenan-induced-rat-paw-edema
#15
Armando Ialenti, Elisabetta Caiazzo, Silvana Morello, Rosa Carnuccio, Carla Cicala
Adenosine is the final product of ATP metabolism, mainly derived from the action of 5'-nucleotidase cleavage of AMP. Cellular production of adenosine is greatly enhanced in inflamed tissues, ischemic tissues and under hypoxia, where ATP is released from damaged cells. Much evidence has been accumulated on adenosine antinflammatory effects mediated through A 2A receptor activation; A2A adenosine receptor has also been shown to play a role in matrix deposition and wound healing in a damaged tissue, contributing to dermal tissue protection and repair...
December 6, 2017: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/29209108/pathological-process-of-liver-sinusoidal-endothelial-cells-in-liver-diseases
#16
REVIEW
Yao Ni, Juan-Mei Li, Ming-Kun Liu, Ting-Ting Zhang, Dong-Ping Wang, Wen-Hui Zhou, Ling-Zi Hu, Wen-Liang Lv
Cirrhosis develops from liver fibrosis and is the severe pathological stage of all chronic liver injury. Cirrhosis caused by hepatitis B virus and hepatitis C virus infection is especially common. Liver fibrosis and cirrhosis involve excess production of extracellular matrix, which is closely related to liver sinusoidal endothelial cells (LSECs). Damaged LSECs can synthesize transforming growth factor-beta and platelet-derived growth factor, which activate hepatic stellate cells and facilitate the synthesis of extracellular matrix...
November 21, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29200682/assessment-of-angiogenesis-in-children-with-acute-lymphoblastic-leukemia-based-on-serum-vascular-endothelial-growth-factor-assay
#17
Agnieszka Mizia-Malarz, Grazyna Sobol-Milejska
Introduction: Vascular endothelial growth factor A (VEGFA) is a key proangiogenic cytokine. The role of angiogenesis in acute lymphoblastic leukemia (ALL) is still unclear. The purpose of the study was to assess angiogenesis in children with ALL based on serum VEGFA level determined at diagnosis and at remission with further participant subdivision into different risk groups. Materials and Methods: Forty children, aged 3-12 years (mean age: 8 years) with newly diagnosed ALL, were enrolled in the study...
July 2017: Indian Journal of Medical and Paediatric Oncology
https://www.readbyqxmd.com/read/29197745/cancer-chemoprevention-revisited-cytochrome-p450-family-1b1-as-a-target-in-the-tumor-and-the-microenvironment
#18
REVIEW
Gabriele D'Uva, Denisa Baci, Adriana Albini, Douglas M Noonan
Cancer chemoprevention is the use of synthetic, natural or biological agents to prevent or delay the development or progression of malignancies. Intriguingly, many phytochemicals with anti-inflammatory and anti-angiogenic effects, recently proposed as chemoprevention strategies, are inhibitors of Cytochrome P450 family 1B1 (CYP1B1), an enzyme overexpressed in a wide variety of tumors and associated with angiogenesis. In turn, pro-inflammatory cytokines were reported to boost CYP1B1 expression, suggesting a key role of CYP1B1 in a positive loop of inflammatory angiogenesis...
November 11, 2017: Cancer Treatment Reviews
https://www.readbyqxmd.com/read/29196189/pd-l1-inflammation-non-coding-rnas-and-neuroblastoma-immuno-oncology-perspective
#19
REVIEW
Palanisamy Nallasamy, Srinivas Chava, Sumit S Verma, Shruti Mishra, Santhi Gorantla, Don W Coulter, Siddappa N Byrareddy, Surinder K Batra, Subash C Gupta, Kishore B Challagundla
Neuroblastoma is the most common pediatric solid tumor of neural crest origin. The current treatment options for neuroblastoma produce severe side effects. Programmed death-ligand 1 (PD-L1), chronic inflammation, and non-coding RNAs are known to play a significant role in the pathogenesis of neuroblastoma. Cancer cells and the surrounding cells in the tumor microenvironment express PD-L1. Programmed death-1 (PD-1) is a co-receptor expressed predominantly by T cells. The binding of PD-1 to its ligands, PD-L1 or PD-L2, is vital for the physiologic regulation of the immune system...
November 28, 2017: Seminars in Cancer Biology
https://www.readbyqxmd.com/read/29189120/critical-role-of-il-8-targeting-in-gliomas
#20
Marinos Kosmopoulos, Anthos Christofides, Dimitrios Drekolias, Phaedon D Zavras, Antonios N Gargalionis, Christina Piperi
BACKGROUND: Glioma is a heterogeneous, highly complicated central nervous system (CNS) tumor with uncertain mechanism of initiation and progression, resulting in an unfavorable outcome. An extended network of cytokines is recognized as a major regulator of glioma pathogenesis, either promoting or inhibiting glioma progression based on their type and specificity. Interleukin-8 (IL-8) has been revealed as a critical regulator of CNS function and development with participation in many CNS disorders including gliomas...
November 29, 2017: Current Medicinal Chemistry
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