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Cytokines Promote Angiogenesis

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https://www.readbyqxmd.com/read/28514506/human-adipose-derived-mesenchymal-stem-cell-secreted-cxcl1-and-cxcl8-facilitate-breast-tumor-growth-by-promoting-angiogenesis
#1
Yuan Wang, Junli Liu, Qingyuan Jiang, Jie Deng, Fen Xu, Xiaolei Chen, Fuyi Cheng, Yujing Zhang, Yunqi Yao, Zhemin Xia, Xia Xu, Xiaolan Su, Meijuan Huang, Lei Dai, Yang Yang, Shuang Zhang, Dechao Yu, Robert Chunhua Zhao, Yuquan Wei, Hongxin Deng
Autologous adipose tissue or adipose tissue with additive adipose-derived mesenchymal stem cells (ADSCs) is used in the breast reconstruction of breast cancer patients who undergo mastectomy. ADSCs play an important role in the angiogenesis and adipogenesis, which make it much better than other materials. However, ADSCs may promote residual tumor cells to proliferate or metastasize, and the mechanism is still not fully understood. In our present study, we demonstrated that hADSCs could facilitate tumor cells growth after co-injection with MCF7 and ZR-75-30 breast cancer cells (BCCs) by promoting angiogenesis, but hADSCs showed limited effect on the growth of MDA-MB-231 BCCs...
May 17, 2017: Stem Cells
https://www.readbyqxmd.com/read/28512240/sting-activation-reverses-lymphoma-mediated-resistance-to-antibody-immunotherapy
#2
Lekh N Dahal, Lang Dou, Khiyam Hussain, Rena Liu, Alexander Earley, Kerry L Cox, Salome Murinello, Ian Tracy, Francesco Forconi, Andrew J Steele, Patrick Duriez, Diego Gomez-Nicola, Jessica L Teeling, Martin J Glennie, Mark S Cragg, Stephen A Beers
Tumors routinely attract and co-opt macrophages to promote their growth, angiogenesis and metastasis. Macrophages are also the key effector cell for monoclonal antibody (mAb) therapies. Here we report that the tumor microenvironment creates an immunosuppressive signature on tumor-associated macrophages (TAM) which favors expression of inhibitory rather than activating Fcγ receptors (FcγR), thereby limiting the efficacy of mAb immunotherapy. We assessed a panel of TLR and STING agonists (a) for their ability to reprogram macrophages to a state optimal for mAb immunotherapy...
May 16, 2017: Cancer Research
https://www.readbyqxmd.com/read/28511390/expression-of-angiogenic-factors-in-psoriasis-vulgaris
#3
Lakshna Sankar, Dhanalakshmi Arumugam, Sudha Boj, Priyanka Pradeep
INTRODUCTION: Psoriasis is a chronic inflammatory skin disease characterized by epidermal hyperproliferation, abnormal differentiation and inflammatory infiltration in the dermis. The dermal microvascular expansion associated with abnormal orientation and dilatation of capillaries in the biopsies of the psoriatic skin suggest that the disease is dependent on angiogenesis. AIM: To analyze and compare the immunohistochemical expression of angiogenic factors - Vascular Endothelial Growth Factor (VEGF), von Willebrand Factor (vWF) and CD 34 in skin biopsies of psoriasis cases with control skin samples; and to correlate the expression of angiogenic factors with Psoriasis Area and Severity Clinical Index (PASI SCORE)...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28478920/intravenous-infusion-of-adipose-derived-stem-stromal-cells-improves-functional-recovery-of-rats-with-spinal-cord-injury
#4
Yuki Ohta, Akemi Hamaguchi, Masanori Ootaki, Minoru Watanabe, Yuko Takeba, Taroh Iiri, Naoki Matsumoto, Mitsuko Takenaga
BACKGROUND AIMS: Adipose tissue has therapeutic potential for spinal cord injury (SCI) because it contains multipotent cells known as adipose-derived stem/stromal cells (ASCs). In this study, we attempted intravenous ASC transplantation in rats with SCI to examine the effect on functional recovery. METHODS: ASCs (2.5 × 10(6)) were intravenously infused into SCI rats, after which hindlimb motor function was evaluated. Distribution of transplanted ASCs was investigated and growth factor/cytokine levels were determined...
May 3, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28473446/human-plasma-thioredoxin-80-increases-with-age-and-in-apoe-mice-induces-inflammation-angiogenesis-and-atherosclerosis
#5
Dominique Couchie, Boris Vaisman, Amna Abderrazak, Dler Faieeq Darweesh Mahmood, Magda M Hamza, Fanny Canesi, Vimala Diderot, Khadija El Hadri, Anne E Nègre-Salvayre, Aurélie Le Page, Tamas Fulop, Alan T Remaley, Mustapha Rouis
Background -Thioredoxin-1 (TRX1), a ubiquitous 12 kDa protein, exerts anti-oxidant and anti-inflammatory effects. In contrast, the truncated form, called TRX80, produced by macrophages induces up-regulation of pro-inflammatory cytokines. TRX80 also promotes the differentiation of mouse peritoneal and human macrophages toward a pro-inflammatory M1 phenotype. Methods -TRX1 and TRX80 plasma levels were determined using specific ELISA. ADAM-17 and ADAM-10 activities were measured using respectively SensoLyte® 520 ADAM10 Activity Assay Kit *Fluorimetric* and InnoZyme™ TACE Activity Kit...
May 4, 2017: Circulation
https://www.readbyqxmd.com/read/28467735/skin-regeneration-with-self-assembled-peptide-hydrogels-conjugated-with-substance-p-in-a-diabetic-rat-model
#6
Ji Eun Kim, Jung Hwa Lee, Soo Hyun Kim, Youngmee Jung
The wound healing process requires enough blood to supply nutrients and various growth factors to the wound area. However, chronic wounds such as diabetic skin ulcers have limited regeneration due to a lack of cellular and molecular signals because of a deficient blood flow. Mesenchymal stem cells (MSCs) are known to provide various factors including growth factors, cytokines and angiogenic mediators. Although MSCs have great therapeutic potential, their transplantation has many obstacles including the time required to culture the cells, the invasiveness of the procedure and limited stem cell sources...
May 3, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28454080/relevance-of-ccl3-ccr5-axis-in-oral-carcinogenesis
#7
Janine Mayra da Silva, Tálita Pollyanna Moreira Dos Santos, Lays Martin Sobral, Celso Martins Queiroz-Junior, Milene Alvarenga Rachid, Amanda E I Proudfoot, Gustavo Pompermaier Garlet, Aline Carvalho Batista, Mauro Martins Teixeira, Andréia Machado Leopoldino, Remo Castro Russo, Tarcília Aparecida Silva
The chemokine CCL3 is a chemotactic cytokine crucial for inflammatory cell recruitment in homeostatic and pathological conditions. CCL3 might stimulate cancer progression by promoting leukocyte accumulation, angiogenesis and tumour growth. The expression of CCL3 and its receptors CCR1 and CCR5 was demonstrated in oral squamous cell carcinoma (OSCC), but their role was not defined. Here, the functions of CCL3 were assessed using a model of chemically induced tongue carcinogenesis with 4-nitroquinoline-1-oxide (4NQO)...
April 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28448494/integrin-%C3%AE-1-activation-induces-an-anti-melanoma-host-response
#8
Laila Ritsma, Ipsita Dey-Guha, Nilesh Talele, Xavier Sole, Salony, Joeeta Chowdhury, Kenneth N Ross, Sridhar Ramaswamy
TGF-β is a cytokine thought to function as a tumor promoter in advanced malignancies. In this setting, TGF-β increases cancer cell proliferation, survival, and migration, and orchestrates complex, pro-tumorigenic changes in the tumor microenvironment. Here, we find that in melanoma, integrin β1-mediated TGF-β activation may also produce tumor suppression via an altered host response. In the A375 human melanoma cell nu/nu xenograft model, we demonstrate that cell surface integrin β1-activation increases TGF-β activity, resulting in stromal activation, neo-angiogenesis and, unexpectedly for this nude mouse model, increase in the number of intra-tumoral CD8+ T lymphocytes within the tumor microenvironment...
2017: PloS One
https://www.readbyqxmd.com/read/28448439/ykl-40-induced-inhibition-of-mir-590-3p-promotes-interleukin-18-expression-and-angiogenesis-of-endothelial-progenitor-cells
#9
Te-Mao Li, Shan-Chi Liu, Ya-Hsin Huang, Chien-Chung Huang, Chin-Jung Hsu, Chun-Hao Tsai, Shih-Wei Wang, Chih-Hsin Tang
YKL-40, also known as human cartilage glycoprotein-39 or chitinase-3-like-1, is a pro-inflammatory protein that is highly expressed in rheumatoid arthritis (RA) patients. Angiogenesis is a critical step in the pathogenesis of RA, promoting the infiltration of inflammatory cells into joints and providing oxygen and nutrients to RA pannus. In this study, we examined the effects of YKL-40 in the production of the pro-inflammatory cytokine interleukin-18 (IL-18), and the stimulation of angiogenesis and accumulation of osteoblasts...
April 27, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28447570/peptide-modified-chitosan-hydrogel-accelerates-skin-wound-healing-by-promoting-fibroblast-proliferation-migration-and-secretion
#10
Xionglin Chen, Min Zhang, Shixuan Chen, Xueer Wang, Zhihui Tian, Yinghua Chen, Pengcheng Xu, Lei Zhang, Lu Zhang, Lin Zhang
Skin wound healing is a complicated process that involves a variety of cells and cytokines. Fibroblasts play an important role in this process and participate in transformation into myofibroblasts, the synthesis of extracellular matrix and fibers, and the secretion of a variety of growth factors. This study assessed the effects of peptide SIKVAV (Ser-Ile-Lys-Val-Ala-Val)-modified chitosan hydrogels on skin wound healing. We investigated the capability of peptide SIKVAV to promote cell proliferation and migration, the synthesis of collagen and the secretion of a variety of growth factors using fibroblasts in vitro...
April 26, 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28423685/tumor-fibroblast-interactions-stimulate-tumor-vascularization-by-enhancing-cytokine-driven-production-of-mmp9-by-tumor-cells
#11
Michelle Limoge, Alfiya Safina, Amy Beattie, Lauren Kapus, Alexander M Truskinovsky, Andrei V Bakin
Advance-stage breast carcinomas include significant amounts of fibroblasts and infiltrating immune cells which have been implicated in tumor growth, recurrence, and response to therapy. The present study investigated the contribution of fibroblasts to tumor growth using direct tumor-fibroblast co-cultures and tumor xenograft models. Our findings revealed that fibroblasts enhance breast carcinoma growth by promoting the tumor vasculature via the MMP9-dependent mechanism. In tumor-fibroblast co-cultures, fibroblasts increased expression of TGF-β, TNF, and IL-1β cytokines in tumor cells...
March 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28414157/commiphora-molmol-resin-attenuates-diethylnitrosamine-phenobarbital-induced-hepatocarcinogenesis-by-modulating-oxidative-stress-inflammation-angiogenesis-and-nrf2-are-ho-1-signaling
#12
Ayman M Mahmoud, Amr R Zaki, Manal E Hassan, Gomaa Mostafa-Hedeab
The objective of the current study was to investigate the possible chemopreventive activity of Commiphora molmol resin (myrrh) extract using a rat model of diethylnitrosamine (DEN)/phenobarbital (PB)-induced early stage hepatocarcinogenesis. Here, we pointed to the modulatory effect of myrrh on oxidative stress, angiogenesis, inflammation and nuclear factor (erythroid-derived 2)-like 2 (Nrf2). Hepatocarcinogenesis was induced in Wistar rats using DEN for initiation and PB as a promoting agent. The rats received 125 or 250 mg/kg C...
April 14, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/28405776/immune-mediated-and-hypoxia-regulated-programs-accomplices-in-resistance-to-anti-angiogenic-therapies
#13
Diego O Croci, Santiago P Mendez-Huergo, Juan P Cerliani, Gabriel A Rabinovich
In contrast to mechanisms taking place during resistance to chemotherapies or other targeted therapies, compensatory adaptation to angiogenesis blockade does not imply a mutational alteration of genes encoding drug targets or multidrug resistance mechanisms but instead involves intrinsic or acquired activation of compensatory angiogenic pathways. In this article we highlight hypoxia-regulated and immune-mediated mechanisms that converge in endothelial cell programs and preserve angiogenesis in settings of vascular endothelial growth factor (VEGF) blockade...
April 13, 2017: Handbook of Experimental Pharmacology
https://www.readbyqxmd.com/read/28404865/dual-angiopoietin-2-and-vegfa-inhibition-elicits-antitumor-immunity-that-is-enhanced-by-pd-1-checkpoint-blockade
#14
Martina Schmittnaegel, Nicolò Rigamonti, Ece Kadioglu, Antonino Cassará, Céline Wyser Rmili, Anna Kiialainen, Yvonne Kienast, Hans-Joachim Mueller, Chia-Huey Ooi, Damya Laoui, Michele De Palma
Pathological angiogenesis is a hallmark of cancer and a therapeutic target. Vascular endothelial growth factor A (VEGFA) and angiopoietin-2 (ANGPT2; also known as ANG2) are proangiogenic cytokines that sustain tumor angiogenesis and limit antitumor immunity. We show that combined ANGPT2 and VEGFA blockade by a bispecific antibody (A2V) provided superior therapeutic benefits, as compared to the single agents, in both genetically engineered and transplant tumor models, including metastatic breast cancer (MMTV-PyMT), pancreatic neuroendocrine tumor (RIP1-Tag2), and melanoma...
April 12, 2017: Science Translational Medicine
https://www.readbyqxmd.com/read/28402255/chemotherapy-and-plasma-adipokines-level-in-patients-with-colorectal-cancer
#15
Grzegorz Słomian, Elżbieta Świętochowska, Grzegorz Nowak, Krystyna Pawlas, Aleksandra Żelazko, Przemysław Nowak
Adipokines are molecules produced and secreted by adipose tissue and are linked to multiple malignancies. Adipokines can suppress or promote particular cell behaviors in different types of cancer. The aim of this study was to investigate the impact of chemotherapy on select adipokines in patients with colorectal cancer (CRC). Blood samples were collected from 42 patients with pathologically documented advanced CRC, who required palliative chemotherapy. Leptin, adiponectin, resistin and visfatin levels were measured by ELISA before and 3 months after the administration of chemotherapy...
April 12, 2017: Postȩpy Higieny i Medycyny Doświadczalnej
https://www.readbyqxmd.com/read/28395533/the-influence-of-occupational-chronic-lead-exposure-on-the-levels-of-selected-pro-inflammatory-cytokines-and-angiogenic-factors
#16
A Machoń-Grecka, M Dobrakowski, M Boroń, G Lisowska, A Kasperczyk, S Kasperczyk
The aim of the study was to determine the effect of occupational exposure to lead on the blood levels of pro-inflammatory cytokines and selected factors that influence angiogenesis. The study population was divided into two groups. The first group consisted of 56 male workers chronically exposed to lead. The second group (control) was comprised of 24 male administrative workers. The serum levels of interleukin 1β (IL-1β), interleukin 6 (IL-6), and tumor necrosis factor α (TNF-α) were significantly higher in the group of workers chronically exposed to lead compared to control values by 38%, 68%, and 57%, respectively...
May 2017: Human & Experimental Toxicology
https://www.readbyqxmd.com/read/28386230/role-of-nadph-oxidase-4-in-human-endothelial-progenitor-cells
#17
Nora Y Hakami, Amaresh K Ranjan, Anandwardhan A Hardikar, Greg J Dusting, Hitesh M Peshavariya
Introduction: Endothelial progenitor cells (EPCs) display a unique ability to promote angiogenesis and restore endothelial function in injured blood vessels. NADPH oxidase 4 (NOX4)-derived hydrogen peroxide (H2O2) serves as a signaling molecule and promotes endothelial cell proliferation and migration as well as protecting against cell death. However, the role of NOX4 in EPC function is not completely understood. Methods: EPCs were isolated from human saphenous vein and mammary artery discarded during bypass surgery...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28383711/synergistic-effect-of-regulatory-t-cells-and-proinflammatory-cytokines-in-angiogenesis-in-the-endometriotic-milieu
#18
Xiao-Qiu Wang, Wen-Jie Zhou, Xue-Zhen Luo, Yu Tao, Da-Jin Li
STUDY QUESTION: Do regulatory T cells (Tregs) contribute to angiogenesis in endometriosis? SUMMARY ANSWER: High levels of CCL17 and CCL22 cause the recruitment of Tregs, upregulate the immunosuppression of Tregs and, in turn, may promote angiogenesis in endometrial cells in synergy with proinflammatory cytokines. WHAT IS ALREADY KNOWN: The peritoneal fluid of patients with endometriosis has a higher percentage of Tregs than that of normal individuals; however, the regulatory role of Tregs in the disease remains unclear...
June 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/28381401/programmed-cell-senescence-role-of-il-6-in-the-pituitary
#19
REVIEW
Melanie Sapochnik, Mariana Fuertes, Eduardo Arzt
IL-6 is a pleiotropic cytokine with multiple pathophysiological functions. As a key factor of the senescence secretome, it can not only promote tumorigenesis and cell proliferation but also exert tumor suppressive functions, depending on the cellular context. IL-6, as do other cytokines, plays important roles in the function, growth and neuroendocrine responses of the anterior pituitary gland. The multiple actions of IL-6 on normal and adenomatous pituitary function, cell proliferation, angiogenesis and extracellular matrix remodeling indicate its importance in the regulation of the anterior pituitary...
May 2017: Journal of Molecular Endocrinology
https://www.readbyqxmd.com/read/28379958/il-15-regulates-migration-invasion-angiogenesis-and-genes-associated-with-lipid-metabolism-and-inflammation-in-prostate-cancer
#20
Krizia Rohena-Rivera, María M Sánchez-Vázquez, Diana A Aponte-Colón, Ingrid S Forestier-Román, Mario E Quintero-Aguiló, Magaly Martínez-Ferrer
Prostate cancer (PCa) is the most commonly diagnosed non-cutaneous cancer. In the United States it is second leading cause of cancer related deaths in men. PCa is often treated via radical prostatectomy (RP). However, 15-30% of the patients develop biochemical recurrence (i.e. increased serum prostate specific antigen (PSA) levels). Interleukin-15 (IL-15) is a secreted cytokine found over expressed in patients with recurrence-free survival after RP. In our study, we aim to determine the role of IL-15 in PCa using in vitro and in vivo models, and gene expression analysis...
2017: PloS One
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