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Cytokines and Angiogenesis

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https://www.readbyqxmd.com/read/28098795/broad-spectrum-inhibition-of-the-cc-chemokine-class-improves-wound-healing-and-wound-angiogenesis
#1
Anisyah Ridiandries, Christina Bursill, Joanne Tan
Angiogenesis is involved in the inflammation and proliferation stages of wound healing, to bring inflammatory cells to the wound and provide a microvascular network to maintain new tissue formation. An excess of inflammation, however, leads to prolonged wound healing and scar formation, often resulting in unfavourable outcomes such as amputation. CC-chemokines play key roles in the promotion of inflammation and inflammatory-driven angiogenesis. Therefore, inhibition of the CC-chemokine class may improve wound healing...
January 13, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28092336/the-construction-of-expanded-prefabricated-adipose-tissue-epat-using-an-external-volume-expansion-eve-device
#2
Yi Yuan, Shuifa Yang, Yangyan Yi, Jianhua Gao, Feng Lu
BACKGROUND: Multiple studies have demonstrated that mechanical forces promote the growth of adipose tissue. However, the mechanism of adipose tissue regeneration induced by mechanical forces remains unclear. METHODS: In an experiment using rats, prefabricated adipose tissue with a vessel pedicle was expanded using an external volume expansion (EVE) device. The volume of fat flaps was tested at different time points. Cell proliferation and angiogenesis were analyzed using immunofluorescence...
January 12, 2017: Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28089416/strategies-to-overcome-therapeutic-resistance-in-renal-cell-carcinoma
#3
REVIEW
Peter J Siska, Kathryn E Beckermann, W Kimryn Rathmell, Scott M Haake
BACKGROUND: Renal cell cancer (RCC) is a prevalent and lethal disease. At time of diagnosis, most patients present with localized disease. For these patients, the standard of care includes nephrectomy with close monitoring thereafter. While many patients will be cured, 5-year recurrence rates range from 30% to 60%. Furthermore, nearly one-third of patients present with metastatic disease at time of diagnosis. Metastatic disease is rarely curable and typically lethal. Cytotoxic chemotherapy and radiation alone are incapable of controlling the disease...
January 11, 2017: Urologic Oncology
https://www.readbyqxmd.com/read/28081372/role-of-hyperplasia-of-gingival-lymphatics-in-periodontal-inflammation
#4
P Papadakou, A Bletsa, M A Yassin, T V Karlsen, H Wiig, E Berggreen
Lymphatic vessels are important for maintenance of tissue fluid homeostasis and afferent antigen transport. In chronic inflammation, lymphangiogenesis takes place and is characterized by lymphatic endothelial cell proliferation and lymphatic hyperplasia. Vascular endothelial growth factor C (VEGFC) is the main known lymphangiogenic growth factor, and its expression is increased in periodontitis, a common chronic infectious disease that results in tissue destruction and alveolar bone loss. The role of lymphangiogenesis during development of periodontitis is unknown...
December 1, 2016: Journal of Dental Research
https://www.readbyqxmd.com/read/28070752/absence-of-macrophage-migration-inhibitory-factor-reduces-proliferative-retinopathy-in-a-mouse-model
#5
Jing Wang, Jihong Lin, Ulrike Kaiser, Paulus Wohlfart, Hans-Peter Hammes
AIMS: Ischemia-induced neovascularization is the key feature of proliferative diabetic retinopathy. Macrophage migration inhibitory factor (MIF) is a pleiotropic proinflammatory and proangiogenic cytokine, and its levels are elevated in the vitreous of patients with proliferative diabetic retinopathy. In this study, we aimed at investigating the relative potential of MIF in the ischemia-induced retinal neovascularization. METHODS: Both WT and MIF-knockout mice were subjected to the retinopathy of prematurity (ROP) model...
January 9, 2017: Acta Diabetologica
https://www.readbyqxmd.com/read/28069512/minocycline-enhances-the-mesenchymal-stromal-stem-cell-pro-healing-phenotype-in-triple-antimicrobial-loaded-hydrogels
#6
Alberto Daniel Guerra, Warren E Rose, Peiman Hematti, W John Kao
: Mesenchymal stromal/stem cells (MSCs) have demonstrated pro-healing properties including an anti-inflammatory cytokine profile and the promotion of angiogenesis via expression of growth factors in pre-clinical models. MSCs encapsulated in poly(ethylene glycol) diacrylate (PEGdA) and thiolated gelatin poly(ethylene glycol) (Gel-PEG-Cys) crosslinked hydrogels have led to controlled cellular presentation at wound sites with favorable wound healing outcomes. However, the therapeutic potential of MSC-loaded hydrogels may be limited by non-specific protein adsorption on the delivery matrix that could facilitate the initial adhesion of microorganisms and subsequent virulent biofilm formation...
January 6, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28069291/antagonizing-cytokine-mediated-jak-stat-signaling-by-porcine-reproductive-and-respiratory-syndrome-virus
#7
REVIEW
Liping Yang, Yan-Jin Zhang
Janus kinase (JAK)-signal transducer and activator of transcription (STAT) signaling pathway is activated by myriad cytokines, which are involved in regulation of cell growth, proliferation, differentiation, apoptosis, angiogenesis, immunity and inflammatory response. Because of its significance in immune response, JAK-STAT pathway is often targeted by pathogens, including porcine reproductive and respiratory syndrome virus (PRRSV). PRRSV causes reproductive failure in sows and respiratory disease in pigs of all ages...
December 30, 2016: Veterinary Microbiology
https://www.readbyqxmd.com/read/28067804/stromal-modulators-of-tgf-%C3%AE-in-cancer
#8
REVIEW
Brunella Costanza, Ijeoma Adaku Umelo, Justine Bellier, Vincent Castronovo, Andrei Turtoi
Transforming growth factor-β (TGF-β) is an intriguing cytokine exhibiting dual activities in malignant disease. It is an important mediator of cancer invasion, metastasis and angiogenesis, on the one hand, while it exhibits anti-tumor functions on the other hand. Elucidating the precise role of TGF-β in malignant development and progression requires a better understanding of the molecular mechanisms involved in its tumor suppressor to tumor promoter switch. One important aspect of TGF-β function is its interaction with proteins within the tumor microenvironment...
January 6, 2017: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/28064070/maspin-inhibits-macrophage-phagocytosis-and-enhances-inflammatory-cytokine-production-via-activation-of-nf-%C3%AE%C2%BAb-signaling
#9
Yimeng Wang, Luguo Sun, Zhenbo Song, Danfeng Wang, Yongli Bao, Yuxin Li
Maspin (mammary serine protease inhibitor) is a non-inhibitory member of the serine protease inhibitor superfamily and a tumor suppressor in several cancers due to its ability to inhibit cell invasion, angiogenesis, and promote apoptosis. However, its immunomodulatory function remains largely unexplored. Thus, we explored the potential link between Maspin and macrophage function, first evaluating the regulatory effects of conditioned medium (CM) of a Maspin-overexpressing CHO cell strain on mouse peritoneal macrophage phagocytosis and cytokine secretion...
January 5, 2017: Molecular Immunology
https://www.readbyqxmd.com/read/28063402/murine-strain-differences-in-inflammatory-angiogenesis-of-internal-wound-in-diabetes
#10
Simone Aparecida de Almeida, Laura Alejandra Ariza Orellano, Luciana Xavier Pereira, Celso Tarso Rodrigues Viana, Paula Peixoto Campos, Silvia Passos Andrade, Monica Alves Neves Diniz Ferreira
Genetic susceptibility is associated with inflammation, neovascularization, and diabetes phenotypes. However, to what extent this susceptibility influences inflammatory angiogenesis in internal injuries in diabetes has not been fully investigated. Using the subcutaneous implantation of a synthetic matrix as an internal wound model in Swiss, C57BL/6 and Balb/c mice, we have studied inflammation, angiogenesis, and cytokine production in the fibrovascular tissue induced by implants in diabetic animals. The hyperglycemic levels (mg/dl) after the diabetogenic treatment were 455...
January 4, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28053598/regulation-of-the-hypoxic-tumor-environment-in-hepatocellular-carcinoma-using-rna-interference
#11
REVIEW
Sung Hoon Choi, Jun Yong Park
OBJECTIVES: Hypoxia is the condition where tumor cells have been deprived of oxygen and has been shown to have a role of tumor development in the hepatocellular carcinoma (HCC). METHODS: Using PubMed online database and Google scholar web site, the terms "angiogenesis", "apoptosis", "RNA interference" and/or "hepatocellular carcinoma (HCC)" were searched and analyzed. RESULTS: The hypoxia inducible factors (HIFs) are transcriptional regulators that affect a homeostatic response to oxidative stress and have been identified as a key transcription activator of angiogenesis, survival, and metabolism...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28052015/epoxyeicosanoids-prevent-intervertebral-disc-degeneration-in-vitro-and-in-vivo
#12
Jing Li, Hanfeng Guan, Huiyong Liu, Libo Zhao, Li Li, Yong Zhang, Peng Tan, Baoguo Mi, Feng Li
Intervertebral disc (IVD) degeneration is considered a common cause of low back pain. In the degenerating IVD, the production of pro-inflammatory cytokines, including IL-1 and TNF-α, progressively increases, contributing to the degenerative process. Epoxyeicosatrienoic acids (EETs), synthesized from arachidonic acid by cytochrome P450 enzymes, act as autocrine and paracrine effectors in regulating inflammation, cardiovascular functions, and angiogenesis. EETs were shown to be especially potent promoters of tissue regeneration...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28051265/the-role-of-hypoxia-inducible-factor-in-nasal-inflammations
#13
K-J Cheng, Y-Y Bao, S-H Zhou
OBJECTIVE: Hypoxia-inducible factor (HIF) is considered an important transcription factor due to its roles in glycolysis, angiogenesis, cell differentiation, apoptosis, and other cellular pathways. It takes the role in various physiological and pathological states, such as solid tumors, vascular injury, and atherosclerotic lesion progression. In recent studies, HIF is found as a master regulator of body inflammation and immunity, not only in hypoxia but also in normoxia. Nasal inflammation has a close relationship with anoxia...
December 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28040522/the-nature-and-biology-of-basement-membranes
#14
REVIEW
Ambra Pozzi, Peter D Yurchenco, Renato V Iozzo
Basement membranes are delicate, nanoscale and pliable sheets of extracellular matrices that often act as linings or partitions in organisms. Previously considered as passive scaffolds segregating polarized cells, such as epithelial or endothelial cells, from the underlying mesenchyme, basement membranes have now reached the center stage of biology. They play a multitude of roles from blood filtration to muscle homeostasis, from storing growth factors and cytokines to controlling angiogenesis and tumor growth, from maintaining skin integrity and neuromuscular structure to affecting adipogenesis and fibrosis...
December 28, 2016: Matrix Biology: Journal of the International Society for Matrix Biology
https://www.readbyqxmd.com/read/28025386/tweak-up-regulates-endothelin-1-system-in-mouse-and-human-endothelial-cells
#15
Patricia Martínez-Miguel, Diana Medrano-Andrés, Mercedes Griera-Merino, Alberto Ortiz, Manuel Rodríguez-Puyol, Diego Rodríguez-Puyol, Susana López-Ongil
: TNF-like weak inducer of apoptosis (TWEAK) is a member of TNF superfamily; it has different biological functions such as inflammation, angiogenesis, proliferation and apoptosis. TWEAK and Fn14 are expressed in different cell types, including endothelial and smooth muscle cells. Despite their presence in endothelial cells, the effect of TWEAK on endothelial function is incompletely defined. AIM: To analyze the ability of TWEAK to modify the endothelin system, particularly ET-1 and ECE-1, studying the intracellular mechanisms implied...
December 25, 2016: Cardiovascular Research
https://www.readbyqxmd.com/read/28007636/inflammatory-landscape-of-human-brain-tumors-reveals-an-nf%C3%AE%C2%BAb-dependent-cytokine-pathway-associated-with-mesenchymal-glioblastoma
#16
Alfeu Zanotto-Filho, Rosângela Mayer Gonçalves, Karina Klafke, Priscila Oliveira de Souza, Fabiane Cristine Dillenburg, Luigi Carro, Daniel Pens Gelain, José Cláudio Fonseca Moreira
The tumor microenvironment is being increasingly recognized as a key factor in cancer aggressiveness. In this study, we characterized the inflammatory gene signatures altered in glioma cell lines and tumor specimens of differing histological and molecular subtypes. The results showed that glioblastoma multiforme (GBM) shows upregulation of a subset of inflammatory genes when compared to astrocytomas and oligodendrogliomas. With molecular subtypes of GBM, the expression of inflammatory genes is heterogeneous, being enriched in mesenchymal and downregulated in Proneural and GCIMP...
December 20, 2016: Cancer Letters
https://www.readbyqxmd.com/read/28007540/screening-for-angiogenic-inhibitors-in-zebrafish-to-evaluate-a-predictive-model-for-developmental-vascular-toxicity
#17
Tamara Tal, Claire Kilty, Andrew Smith, Carlie LaLone, Brendán Kennedy, Alan Tennant, Catherine W McCollum, Maria Bondesson, Thomas Knudsen, Stephanie Padilla, Nicole Kleinstreuer
Chemically-induced vascular toxicity during embryonic development may cause a wide range of adverse effects. To identify putative vascular disrupting chemicals (pVDCs), a predictive pVDC signature was constructed from 124 U.S. EPA ToxCast high-throughput screening (HTS) assays and used to rank 1060 chemicals for their potential to disrupt vascular development. Thirty-seven compounds were selected for targeted testing in transgenic Tg(kdrl:EGFP) and Tg(fli1:EGFP) zebrafish embryos to identify chemicals that impair developmental angiogenesis...
December 19, 2016: Reproductive Toxicology
https://www.readbyqxmd.com/read/28006762/h2s-attenuates-lps-induced-acute-lung-injury-by-reducing-oxidative-nitrative-stress-and-inflammation
#18
Hong-Xia Zhang, Shu-Juan Liu, Xiao-Lu Tang, Guo-Li Duan, Xin Ni, Xiao-Yan Zhu, Yu-Jian Liu, Chang-Nan Wang
BACKGROUND: Hydrogen sulfide (H2S), known as the third endogenous gaseous transmitter, has received increasing attention because of its diverse effects, including angiogenesis, vascular relaxation and myocardial protection.We aimed to investigate the role of H2S in oxidative/nitrative stress and inflammation in acute lung injury (ALI) induced by endotoxemia. METHODS: Male ICR mice were divided in six groups: (1) Control group; (2) GYY4137treatment group; (3) L-NAME treatment group; (4) lipopolysaccharide (LPS) treatment group; (5) LPS with GYY4137 treatment group; and (6) LPS with L-NAME treatment group...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28004386/proinflammatory-signaling-functions-of-thrombin-in-cancer
#19
REVIEW
Safieh Ebrahimi, Farzad Rahmani, Reihane Behnam-Rassouli, Fatemeh Hoseinkhani, Mohammad Reza Parizadeh, Mohammad Reza Keramati, Majid Khazaie, Amir Avan, Seyed Mahdi Hassanian
Thrombin-induced activation of protease-activated receptors (PARs) represents a link between inflammation and cancer. Proinflammatory signaling functions of thrombin are associated with several inflammatory diseases including neurodegenerative, cardiovascular, and of special interest in this review cancer. Thrombin-induced inflammatory responses up-regulates expression of cytokines, adhesion molecules, angiogenic factors and matrix-degrading proteases that facilitate tumor cells proliferation, angiogenesis, invasion and metastasis...
December 22, 2016: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28000518/artemisinin-inhibits-inflammatory-response-via-regulating-nf-%C3%AE%C2%BAb-and-mapk-signaling-pathways
#20
Ke Si Wang, Junbo Li, Zhe Wang, Chunliu Mi, Juan Ma, Lian Xun Piao, Guang Hua Xu, Xuezheng Li, Xuejun Jin
Artemisinin, isolated from the Chinese plant Artemisia annua, has been used for many years to treat different forms of malarial parasites. In this study, we explored the anti-inflammatory activity of artemisinin and the underlying mechanism of this action. We demonstrated that the anti-inflammatory effects of artemisinin in TPA-induced skin inflammation in mice. Then the artemisinin significantly inhibited the expression of NF-κB reporter gene induced by TNF-α in a dose-dependent manner. Artemisinin also inhibited TNF-α induced phosphorylation and degradation of IκBα, p65 nuclear translocation...
December 21, 2016: Immunopharmacology and Immunotoxicology
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