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Cytokines Promote Angiogenesis

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https://www.readbyqxmd.com/read/28929578/horizontal-transfer-of-mir-23a-from-hypoxic-tumor-cell-colonies-can-induce-angiogenesis
#1
T V Sruthi, Lincy Edatt, Grace R Raji, Haritha K, S Sharath Shankar, Vandana Shankar, Vishnu R, Aswini P, V B Sameer Kumar
Neo vessel formation by angiogenesis is an important event during many pathological conditions including cancer, where it is indispensable for tumor growth and survival. Although, various pro-angiogenic cytokines and soluble factors, secreted by tumor cells, have been reported to promote angiogenesis, recent studies have shown regulatory role of exosomes, secreted by tumor cells in the process of angiogenesis. These exosomes are capable of carrying nucleic acids, proteins etc. as their cargo. Under the light of these facts and considering the presence of miRNAs, the non-coding RNAs capable of regulating target gene expression, as one of the major cargos in the exosomes, we investigated, whether exosomes derived from normoxic and hypoxic tumor cell colonies exhibit difference in levels of miR-23∼27∼24 cluster members and if so, to check the significance of their horizontall transfer on the process of angiogenesis...
September 20, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28921734/the-extracellular-signal-regulated-kinase-1-2-triggers-angiogenesis-in-human-ectopic-endometrial-implants-by-inducing-angioblast-differentiation-and-proliferation
#2
Sefa Arlier, William Murk, Ozlem Guzeloglu-Kayisli, Nihan Semerci, Kellie Larsen, Mehmet S Tabak, Aydin Arici, Frederick Schatz, Charles J Lockwood, Umit A Kayisli
PROBLEM: The role of extracellular signal-regulated kinase (ERK)1/2-mediated angiogenesis during endometriotic nidation is unknown. We posit that ERK1/2-induced angioblast differentiation and proliferation promotes ectopic endometrial angiogenesis. METHODS OF STUDY: Human eutopic and ectopic endometria were immunostained for total- (T-) or phosphorylated- (P-) ERK1/2 or double-immunostained for P-ERK1/2-CD34 and PCNA-CD34. Estradiol (E2 ), cytokines, normal peritoneal fluid (NPF) or endometriotic peritoneal fluid (EPF) ±PD98059, an ERK1/2 inhibitor, treaded primary human endometrial endothelial cells (HEECs) were evaluated by T-/P-ERK1/2 immunoblotting, MTT viability and tube formation assays...
September 16, 2017: American Journal of Reproductive Immunology: AJRI
https://www.readbyqxmd.com/read/28904019/cathepsin-b-mediated-cd18-shedding-regulates-leukocyte-recruitment-from-angiogenic-vessels
#3
Shintaro Nakao, Souska Zandi, Dawei Sun, Ali Hafezi-Moghadam
Cathepsin B (CtsB) contributes to atherosclerosis and cancer progression by processing the extracellular matrix and promoting angiogenesis. Although CtsB was reported to promote and reduce angiogenesis, there is no mechanistic explanation that reconciles this apparent discrepancy. CtsB cleaves CD18 from the surface of immune cells, but its contribution to angiogenesis has not been studied. We developed an in vivo technique for visualization of immune cell transmigration from corneal vessels toward implanted cytokines...
September 13, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28903971/extracellular-s100a9-protein-in-bone-marrow-supports-multiple-myeloma-survival-by-stimulating-angiogenesis-and-cytokine-secretion
#4
Kim De Veirman, Nathan De Beule, Ken Maes, Eline Menu, Elke De Bruyne, Hendrik De Raeve, Karel Fostier, Jerome Moreaux, Alboukadel Kassambara, Dirk Hose, Roy Heusschen, Helena Eriksson, Karin Vanderkerken, Els Van Valckenborgh
Dysregulated expression of S100 protein family members is associated with cancer proliferation, invasion, angiogenesis, and inflammation. S100A9 induces myeloid-derived suppressor cell (MDSC) accumulation and activity. MDSCs, immunosuppressive cells that contribute to tumor immune escape, are the main producers of S100A9. In this study, we evaluated the role of extracellular S100A9 and the therapeutic relevance of S100A9 inhibition in multiple myeloma (MM), using the immunocompetent murine 5T33MM model. We demonstrated the presence of S100A9 and its receptor TLR4 in both monocytic and granulocytic MDSCs in human and mouse samples...
September 13, 2017: Cancer Immunology Research
https://www.readbyqxmd.com/read/28901187/peptide-modified-chitosan-hydrogels-accelerate-skin-wound-healing-by-promoting-fibroblast-proliferation-migration-and-secretion
#5
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 (ECM) and fibers, and the secretion of a variety of growth factors. This study assessed the effects of peptide Ser-Ile-Lys-Val-Ala-Val (SIKVAV)--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...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28898232/crosstalk-between-tems-and-endothelial-cells-modulates-angiogenesis-and-metastasis-via-igf1-igf1r-signalling-in-epithelial-ovarian-cancer
#6
Xinjing Wang, Qinyi Zhu, Yingying Lin, Li Wu, Xiaoli Wu, Kai Wang, Qizhi He, Congjian Xu, Xiaoping Wan, Xipeng Wang
BACKGROUND: Epithelial ovarian cancer (EOC) is the leading cause of death from gynaecologic malignancies and has a poor prognosis due to metastasis. Drugs targeting the angiogenesis pathway significantly improve patient outcome. However, the key factors linking angiogenesis and metastasis have not been elucidated. In this study, we found Tie2 expressing monocytes (CD14(+)Tie2(+), TEMs) as key contributors to angiogenesis and metastasis of EOC. METHODS: Tissue slides were evaluated by immunofluorescence for the presence of total tissue macrophages and TEMs...
September 12, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28892569/serine-racemase-deficiency-attenuates-choroidal-neovascularization-and-reduces-nitric-oxide-and-vegf-levels-by-retinal-pigment-epithelial-cells
#7
Haiyan Jiang, Mengjuan Wu, Yimei Liu, Liping Song, Shifeng Li, Xianwei Wang, Yun-Feng Zhang, Junxu Fang, Shengzhou Wu
Choroidal neovascularization (CNV) is a leading cause of blindness in age-related macular degeneration. Production of VEGF and macrophage recruitment by retinal pigment epithelial cells (RPE) significantly contributes to the process of CNV in an experimental CNV model. Serine racemase (SR) is expressed in retinal neurons and glial cells, and its product, D-serine, is an endogenous co-agonist of N-methyl-D-aspartate receptor (NMDAR). Activation of the receptor results in production of nitric oxide ((.) NO), a molecule that promotes retinal and choroidal neovascularization...
September 11, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28881626/relevance-of-ccl3-ccr5-axis-in-oral-carcinogenesis
#8
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)...
August 1, 2017: Oncotarget
https://www.readbyqxmd.com/read/28875559/alginate-hydrogels-of-varied-molecular-weight-distribution-enable-sustained-release-of-sphingosine-1-phosphate-and-promote-angiogenesis
#9
Priscilla A Williams, Kevin T Campbell, Eduardo A Silva
Alginate hydrogels have been widely validated for controlled release of growth factors and cytokines, but studies exploring sustained release of small hydrophobic lipids are lacking. Sphingosine-1-phosphate (S1P), a bioactive lipid, is an appealing small molecule for inducing blood vessel formation in the context of ischemic conditions. However, there are numerous biological and engineering challenges associated with designing biomaterial systems for controlled release of this lipid. Thus, the objective of this study was to design an injectable, alginate hydrogel formulation that provides controlled release of S1P to establish locally sustained concentration gradients that promote neovascularization...
September 5, 2017: Journal of Biomedical Materials Research. Part A
https://www.readbyqxmd.com/read/28874716/cell-spheroids-with-enhanced-aggressiveness-to-mimic-human-liver-cancer-in-vitro-and-in-vivo
#10
Hong-Ryul Jung, Hyun Mi Kang, Jea-Woon Ryu, Dae-Soo Kim, Kyung Hee Noh, Eun-Su Kim, Ho-Joon Lee, Kyung-Sook Chung, Hyun-Soo Cho, Nam-Soon Kim, Dong-Soo Im, Jung Hwa Lim, Cho-Rok Jung
We fabricated a spheroid-forming unit (SFU) for efficient and economic production of cell spheroids. We optimized the protocol for generating large and homogenous liver cancer cell spheroids using Huh7 hepatocellular carcinoma (HCC) cells. The large Huh7 spheroids showed apoptotic and proliferative signals in the centre and at the surface, respectively. In particular, hypoxia-induced factor-1 alpha (HIF-1α) and ERK signal activation were detected in the cell spheroids. To diminish core necrosis and increase the oncogenic character, we co-cultured spheroids with 2% human umbilical vein endothelial cells (HUVECs)...
September 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28874155/the-regulation-of-ovary-and-conceptus-on-the-uterine-natural-killer-cells-during-early-pregnancy
#11
REVIEW
Han Gong, Yilu Chen, Jingjie Xu, Xingxing Xie, Dainan Yu, Bei Yang, Haibin Kuang
Uterine natural killer (uNK) cells are short-lived, terminally differentiated and the most abundant lymphocytes in the uterus which play a crucial role in the spiral arteriole modification and establishment of successful pregnancy. Dysregulation of uNK cells has been linked to gestational implications such as recurrent pregnancy loss, preeclampsia and fetal growth retardation. There is evidence showing that progesterone and estrogen can regulate the recruitment, proliferation, differentiation and function of uNK cells via direct action on intracellular nuclear receptors or through intermediary cells in the uterus during early pregnancy...
September 6, 2017: Reproductive Biology and Endocrinology: RB&E
https://www.readbyqxmd.com/read/28864248/regulation-of-immune-response-by-bioactive-ions-released-from-silicate-bioceramics-for-bone-regeneration
#12
Yan Huang, Chengtie Wu, Xiaoling Zhang, Jiang Chang, Kerong Dai
Silicate bioceramics have been considered to possess a wide prospect of clinical application for orthopedic tissue regeneration due to their excellent osteogenesis and angiogenesis. However, the mechanism for silicate bioceramics stimulating bone formation is not fully understood. The host immune defense to implants is proved to greatly influence the osteogenesis and new bone formation, but up to now, few studies are focused on the silicate bioceramics modulated host immune responses. In our present study, two representative silicate bioceramics, akermanite (AKT) and nagelschmidtite (NAGEL) were used as model materials to investigate the inflammation responses in vitro and in vivo, and β-tricalcium phosphate (β-TCP) bioceramics were used as a control...
August 29, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28854965/adipose-stem-cells-from-chronic-pancreatitis-patients-improve-mouse-and-human-islet-survival-and-function
#13
Lili Song, Zhen Sun, Do-Sung Kim, Wenyu Gou, Charlie Strange, Huansheng Dong, Wanxing Cui, Gary Gilkeson, Katherine A Morgan, David B Adams, Hongjun Wang
BACKGROUND: Chronic pancreatitis has surgical options including total pancreatectomy to control pain. To avoid surgical diabetes, the explanted pancreas can have islets harvested and transplanted. Immediately following total pancreatectomy with islet autotransplantation (TP-IAT), many islet cells die due to isolation and transplantation stresses. The percentage of patients remaining insulin free after TP-IAT is therefore low. We determined whether cotransplantation of adipose-derived mesenchymal stem cells (ASCs) from chronic pancreatitis patients (CP-ASCs) would protect islets after transplantation...
August 30, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28835445/angiogenic-conditioning-of-peripheral-blood-mononuclear-cells-promotes-fracture-healing
#14
K Mifuji, M Ishikawa, N Kamei, R Tanaka, K Arita, H Mizuno, T Asahara, N Adachi, M Ochi
OBJECTIVES: The objective of this study was to investigate the therapeutic effect of peripheral blood mononuclear cells (PBMNCs) treated with quality and quantity control culture (QQ-culture) to expand and fortify angiogenic cells on the acceleration of fracture healing. METHODS: Human PBMNCs were cultured for seven days with the QQ-culture method using a serum-free medium containing five specific cytokines and growth factors. The QQ-cultured PBMNCs (QQMNCs) obtained were counted and characterised by flow cytometry and real-time polymerase chain reaction (RT-PCR)...
August 2017: Bone & Joint Research
https://www.readbyqxmd.com/read/28831645/effects-of-cytokines-derived-from-cancer-associated-fibroblasts-on-androgen-synthetic-enzymes-in-estrogen-receptor-negative-breast-carcinoma
#15
Kyoko Kikuchi, Keely May McNamara, Yasuhiro Miki, Ju-Yeon Moon, Man Ho Choi, Fumiya Omata, Minako Sakurai, Yoshiaki Onodera, Yoshiaki Rai, Yasuyo Ohi, Yasuaki Sagara, Minoru Miyashita, Takanori Ishida, Noriaki Ohuchi, Hironobu Sasano
PURPOSE: The tumor microenvironment plays pivotal roles in promotion of many malignancies. Cancer-associated fibroblasts (CAFs) have been well-known to promote proliferation, angiogenesis, and metastasis but mechanistic understanding of tumor-stroma interactions is not yet complete. Recently, estrogen synthetic enzymes were reported to be upregulated by co-culture with stromal cells in ER positive breast carcinoma (BC) but effects of co-culture on androgen metabolism have not been extensively examined...
August 22, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28831101/growth-differentiation-factor-15-promotes-blood-vessel-growth-by-stimulating-cell-cycle-progression-in-repair-of-critical-sized-calvarial-defect
#16
Shaoyi Wang, Mengyu Li, Wenjie Zhang, Hongfei Hua, Ningtao Wang, Jun Zhao, Jing Ge, Xinquan Jiang, Zhiyuan Zhang, Dongxia Ye, Chi Yang
Repair of large bone defects remains a challenge for surgeons, tissue engineering represents a promising approach. However, the use of this technique is limited by delayed vascularization in central regions of the scaffold. Growth differentiation factor 15(GDF15) has recently been reported to be a potential angiogenic cytokine and has an ability to promote the proliferation of human umbilical vein endothelial cells(HUVECs). Whether it can be applied for promoting vascularized bone regeneration is still unknown...
August 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28813180/inflammatory-signaling-cascades-and-autophagy-in-cancer
#17
Teresa Monkkonen, Jayanta Debnath
Tumor-associated inflammation is predictive of poor prognosis and drives a variety of tumorigenic phenotypes, including tumor proliferation and survival, angiogenesis, invasiveness, and metastasis. Here, we review mammalian data addressing the interaction of macroautophagy/autophagy with key signaling cascades associated with tumor inflammation. Although our understanding of this area remains incomplete, certain inflammatory pathways have emerged as important mediators of the crosstalk between autophagy and inflammation in tumors...
August 16, 2017: Autophagy
https://www.readbyqxmd.com/read/28780933/%C3%AE-%C3%AE-t-cells-unexpected-regulators-of-cancer-development-and-progression
#18
REVIEW
Christopher Fleming, Samantha Morrissey, Yihua Cai, Jun Yan
Accumulating evidence suggests a role for gamma delta (γδ) T cells as unexpected drivers of tumor development and progression. These protumoral γδ T cells are abundant in the tumor microenvironment in both mouse and human. They promote tumor progression by: (i) inducing an immunosuppressive tumor microenvironment and angiogenesis via cytokine production; (ii) functioning as regulatory T (Treg)/T helper 2 (Th2)-like cells; (iii) interfering with dendritic cell (DC) effector function; and (iv) inhibiting antitumor adaptive T cell immunity via the programmed death-1 (PD-1)-programmed death ligand-1 (PD-L1) pathway...
August 2017: Trends in Cancer
https://www.readbyqxmd.com/read/28771714/multifunctional-curcumin-mediate-multitherapeutic-effects
#19
Adeeb Shehzad, Munibah Qureshi, Muhammad Nabeel Anwar, Young Sup Lee
Inflammation can promote the development of arthritis, obesity, cardiovascular, type II diabetes, pancreatitis, metabolic and neurodegenerative diseases, and certain types of cancer. Compounds isolated from plants have been practiced since ancient times for curing various ailments including inflammatory disorders and to support normal physiological functions. Curcumin (diferuloylmethane) is a yellow coloring agent, extracted from turmeric that has been used for the prevention and treatment of various inflammatory diseases...
August 3, 2017: Journal of Food Science
https://www.readbyqxmd.com/read/28763097/obesity-and-adverse-breast-cancer-risk-and-outcome-mechanistic-insights-and-strategies-for-intervention
#20
REVIEW
Manuel Picon-Ruiz, Cynthia Morata-Tarifa, Janeiro J Valle-Goffin, Eitan R Friedman, Joyce M Slingerland
Answer questions and earn CME/CNE Recent decades have seen an unprecedented rise in obesity, and the health impact thereof is increasingly evident. In 2014, worldwide, more than 1.9 billion adults were overweight (body mass index [BMI], 25-29.9 kg/m(2) ), and of these, over 600 million were obese (BMI ≥30 kg/m(2) ). Although the association between obesity and the risk of diabetes and coronary artery disease is widely known, the impact of obesity on cancer incidence, morbidity, and mortality is not fully appreciated...
September 2017: CA: a Cancer Journal for Clinicians
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