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https://www.readbyqxmd.com/read/29142215/the-effects-of-artocarpin-on-wound-healing-in-vitro-and-in-vivo-studies
#1
Chung-Ju Yeh, Chin-Chuan Chen, Yann-Lii Leu, Ming-Wei Lin, Mei-Miao Chiu, Shu-Huei Wang
The skin protects the body against harmful substances and microorganisms. When the skin is damaged, wound healing must be finely regulated to restore the normal function of skin tissue. Artocarpin (ARTO), a prenylated flavonoid purified from the plant Artocarpus communis, has been reported to have anti-inflammatory and anti-cancer properties. The aim of the present study was to evaluate the wound healing potential and therapeutic mechanism of ARTO. Immunohistochemical staining of neutrophils and macrophages and mouse cytokine array analysis demonstrated that ARTO accelerates inflammatory progression and subsequently decreases persistent inflammation...
November 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138860/an-rna%C3%A2-sequencing-study-identifies-candidate-genes-for-angiotensin-ii%C3%A2-induced-cardiac-remodeling
#2
Jin Shu, Zhanwen Liu, Li Jin, Haiya Wang
The present study aimed to reveal the underlying mechanism of angiotensin II (AngII)‑induced cardiac remodeling and to identify potential therapeutic targets for prevention. Rat cardiac fibroblasts (CFs) were cultured with 10 nM AngII for 12 h, and CFs without AngII were used as the control. Following RNA isolation from AngII treated and control CFs, RNA‑sequencing was performed to detect gene expression levels. Differentially‑expressed genes (DEGs) were identified using the linear models for microarray analysis package in R software, and their functions and pathways were examined via enrichment analysis...
November 14, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29137286/fibroblast-growth-factor-modulates-mast-cell-recruitment-in-a-murine-model-of-prostate-cancer
#3
Roberto Ronca, Roberto Tamma, Daniela Coltrini, Simona Ruggieri, Marco Presta, Domenico Ribatti
Mast cells are important modifiers of prostate tumor microenvironment. The fibroblast growth factor/fibroblast growth factor receptor (FGF/FGFR) system plays a non-redundant autocrine/paracrine role in the growth, vascularization and progression of prostate tumors. Accordingly, the FGF antagonist long pentraxin-3 (PTX3) and the PTX3-derived small molecule FGF-trap NSC12 have been shown to inhibit the growth and vascularization of different FGF-dependent tumor types, including prostate cancer. In this study, we show that recombinant FGF2 is able to cause mast cell recruitment in vivo in the Matrigel plug assay...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29137220/stromal-cyclin-d1-promotes-heterotypic-immune-signaling-and-breast-cancer-growth
#4
Timothy G Pestell, Xuanmao Jiao, Mukesh Kumar, Amy R Peck, Marco Prisco, Shengqiong Deng, Zhiping Li, Adam Ertel, Mathew C Casimiro, Xiaoming Ju, Agnese Di Rocco, Gabriele Di Sante, Sanjay Katiyar, Alison Shupp, Michael P Lisanti, Pooja Jain, Kongming Wu, Hallgeir Rui, Douglas C Hooper, Zuoren Yu, Aaron R Goldman, David W Speicher, Lisa Laury-Kleintop, Richard G Pestell
The cyclin D1 gene encodes the regulatory subunit of a holoenzyme that drives cell autonomous cell cycle progression and proliferation. Herein we show cyclin D1 abundance is increased >30-fold in the stromal fibroblasts of patients with invasive breast cancer, associated with poor outcome. Cyclin D1 transformed hTERT human fibroblast to a cancer-associated fibroblast phenotype. Stromal fibroblast expression of cyclin D1 (cyclin D1(Stroma)) in vivo, enhanced breast epithelial cancer tumor growth, restrained apoptosis, and increased autophagy...
October 10, 2017: Oncotarget
https://www.readbyqxmd.com/read/29134462/roles-of-fibroblast-activation-protein-and-hepatocyte-growth-factor-expressions-in-angiogenesis-and-metastasis-of-gastric-cancer
#5
Li-Ming Gao, Fang Wang, Yue Zheng, Zhan-Zhao Fu, Lei Zheng, Lan-Lan Chen
This study aims to explore the roles of fibroblast activation protein (FAP) and hepatocyte growth factor (HGF) expressions in the angiogenesis and metastasis of gastric cancer (GC). From May 2012 to December 2015, 110 GC patients who received surgical treatment in the First Hospital of Qinhuangdao were selected. The HGF and FAP expressions in 110 cases of GC, 130 cases of normal gastric mucosa and 115 cases of gastric ulcer were detected by streptavidin-perosidase (SP) method. Venous blood HGF level of GC patients was tested by enzyme-linked immunosorbent assay (ELISA)...
November 13, 2017: Pathology Oncology Research: POR
https://www.readbyqxmd.com/read/29126792/in-vivo-cellular-and-molecular-gastroprotective-mechanisms-of-chrysin-emphasis-on-oxidative-stress-inflammation-and-angiogenesis
#6
Mina Y George, Ahmed Esmat, Mariane G Tadros, Ebtehal El-Demerdash
Gastric ulcer is one of the major gastrointestinal disorders affecting people worldwide. Despite medical advances, management of gastric ulcer and its complications remains a challenge facing medicine nowadays. In addition, currently available medicines exhibit limited efficacy and several side effects. In the current study, the potential protective effects of chrysin -naturally occurring flavonoid- were tested against indomethacin-induced gastric ulcer model in rats. It was found that chrysin in both doses; 50 and 100mg/kg were effective in promoting mucus secretion and preventing the rise in ulcer and lesion indices, acid production and histologic changes induced by indomethacin...
November 7, 2017: European Journal of Pharmacology
https://www.readbyqxmd.com/read/29114000/microrna-130a-a-potential-antifibrotic-target-in-cardiac-fibrosis
#7
Li Li, Kelsey R Bounds, Piyali Chatterjee, Sudhiranjan Gupta
BACKGROUND: Cardiac fibrosis occurs because of disruption of the extracellular matrix network leading to myocardial dysfunction. Angiotensin II has been implicated in the development of cardiac fibrosis. Recently, microRNAs have been identified as an attractive target for therapeutic intervention in cardiac pathologies; however, the underlying mechanism of microRNAs in cardiac fibrosis remains unclear. MicroRNA-130a (miR-130a) has been shown to participate in angiogenesis and cardiac arrhythmia; however, its role in cardiac fibrosis is unknown...
November 7, 2017: Journal of the American Heart Association
https://www.readbyqxmd.com/read/29112161/collateral-damage-intended-cancer-associated-fibroblasts-and-vasculature-are-potential-targets-in-cancer-therapy
#8
REVIEW
Ana Cavaco, Maryam Rezaei, Stephan Niland, Johannes A Eble
After oncogenic transformation, tumor cells rewire their metabolism to obtain sufficient energy and biochemical building blocks for cell proliferation, even under hypoxic conditions. Glucose and glutamine become their major limiting nutritional demands. Instead of being autonomous, tumor cells change their immediate environment not only by their metabolites but also by mediators, such as juxtacrine cell contacts, chemokines and other cytokines. Thus, the tumor cells shape their microenvironment as well as induce resident cells, such as fibroblasts and endothelial cells (ECs), to support them...
November 7, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29111157/sequential-delivery-of-vegf-fgf-2-and-pdgf-from-the-polymeric-system-enhance-huvecs-angiogenesis-in-vitro-and-cam-angiogenesis
#9
Yan Bai, Lijuan Bai, Jing Zhou, Huali Chen, Liangke Zhang
Angiogenesis is an organized series of events, beginning with vessel destabilization, followed by endothelial cell re-organization, and ending with vessel maturation. The formation of a mature vascular network requires precise spatial and temporal regulation of a large number of angiogenic factors, including vascular endothelial growth factor (VEGF), basic fibroblast growth factor-2 (FGF-2) and platelet-derived growth factor (PDGF). VEGF aids in vascular permeability and endothelial cell recruitment, FGF-2 activates endothelial cell proliferation and migration while PDGF stimulates vascular stability...
October 23, 2017: Cellular Immunology
https://www.readbyqxmd.com/read/29109792/mir-205-yap1-in-activated-fibroblasts-of-breast-tumor-promotes-vegf-independent-angiogenesis-through-stat3-signaling
#10
Yan-E Du, Gang Tu, Guanglun Yang, Genyou Li, Dan Yang, Lei Lang, Lei Xi, Kexin Sun, Yanlin Chen, Kunxian Shu, Huadong Liao, Manran Liu, Yixuan Hou
Tumor microenvironment contributes to tumor angiogenesis. However, the role of the activated cancer associated-fibroblasts (CAFs) in angiogenesis is still unclear. Here we report that miR-205/YAP1 signaling in the activated stromal fibroblasts plays a critical role in VEGF-independent angiogenesis in breast tumor. Methods: miR-205 expression was assessed by quantitative real-time polymerase chain reaction (qRT-PCR); YAP1 expression by qRT-PCR, western blotting and immunohistochemistry; IL11 and IL15 expression by qRT-PCR, western blotting and ELISA...
2017: Theranostics
https://www.readbyqxmd.com/read/29101221/%C3%AE-actin-dependent-global-chromatin-organization-and-gene-expression-programs-control-cellular-identity
#11
Xin Xie, Bader Almuzzaini, Nizar Drou, Stephan Kremb, Ayman Yousif, Ann-Kristin Östlund Farrants, Kristin Gunsalus, Piergiorgio Percipalle
During differentiation and development, cell fate and identity are established by waves of genetic reprogramming. Although the mechanisms are largely unknown, during these events, dynamic chromatin reorganization is likely to ensure that multiple genes involved in the same cellular functions are coregulated, depending on the nuclear environment. In this study, using high-content screening of embryonic fibroblasts from a β-actin knockout (KO) mouse, we found major chromatin rearrangements and changes in histone modifications, such as methylated histone (H)3-lysine-(K)9...
November 3, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/29096753/interleukin-6-secreted-by-oral-cancer-associated-fibroblast-accelerated-vegf-expression-in-tumor-and-stroma-cells
#12
M Mirkeshavarz, M Ganjibakhsh, P Aminishakib, P Farzaneh, N Mahdavi, F Vakhshiteh, A Karimi, N S Gohari, F Kamali, M J Kharazifard, S A Shahzadeh Fazeli, A Nasimian
Oral cancer represents the sixth most common cancer type worldwide. Patients with oral cancer express high levels of IL-6 which is associated with very poor prognosis. Previous studies illustrated that IL-6 cytokine induces angiogenesis. It has also been reported that the presence of Cancer- Associated Fibroblasts (CAFs) is essential for angiogenesis. In this study, we examined the correlation between IL-6 and CAF and the role of this correlation on VEGF production. In this study, quantitative expression level of IL-6 and VEGF in CAF and Oral Cancer Cells (OCCs) examined through Real Time PCR and ELISA and western blot analysis...
October 31, 2017: Cellular and Molecular Biology
https://www.readbyqxmd.com/read/29075111/continuous-delivery-of-propranolol-from-liposomes-in-microspheres-significantly-inhibits-infantile-hemangioma-growth
#13
Xiaonan Guo, Xiaoshuang Zhu, Dakan Liu, Yubin Gong, Jing Sun, Changxian Dong
PURPOSE: To reduce the adverse effects and high frequency of administration of propranolol to treat infantile hemangioma, we first utilized propranolol-loaded liposomes-in-microsphere (PLIM) as a novel topical release system to realize sustained release of propranolol. METHODS: PLIM was developed from encapsulating propranolol-loaded liposomes (PLs) in microspheres made of poly(lactic-co-glycolic acid)-b-poly(ethylene glycol)-b-poly(lactic-co-glycolic acid) copolymers (PLGA-PEG-PLGA)...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/29074993/epidermal-sirt1-regulates-inflammation-cell-migration-and-wound-healing
#14
Lei Qiang, Ashley Sample, Han Liu, Xiaoyang Wu, Yu-Ying He
Sirtuins (SIRT1-7) are NAD-dependent proteins with the enzymatic activity of deacetylases and ADP ribosyltransferases. SIRT1 is the proto member of the proteins in the mammalian sirtuin family and plays multiple roles in aging and disease. Using mice with epidermis-specific SIRT1 deletion, we show that SIRT1 is required for efficient wound healing. SIRT1 deficiency in the epidermis inhibited the regeneration of both the epidermis and the dermal stroma. SIRT1 loss altered the production of many cytokines, inhibited the recruitment of macrophages, neutrophils, and mast cells, the recruitment and activation of fibroblasts, and angiogenesis in the granulation tissue...
October 26, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29068216/tumor-progression-of-non-small-cell-lung-cancer-controlled-by-albumin-and-micellar-nanoparticles-of-itraconazole-a-multi-target-angiogenesis-inhibitor
#15
Ling Zhang, Zhengsheng Liu, Kuan Yang, Chao Kong, Chun Liu, Huijun Chen, Jinfeng Huang, Feng Qian
Itraconazole (ITA), an old and widely-prescribed antifungal drug with excellent safety profile, has more recently been demonstrated to be a multi-target anti-angiogenesis agent affecting multiple angiogenic stimulatory signals and pathways, including vascular endothelial growth factor (VEGF), basic fibroblast growth factor (bFGF), vascular endothelial growth factor receptor 2 (VEGFR2) glycosylation, and mammalian target of rapamycin (mTOR). In this study, we developed two nanoparticle formulations, i.e., polymer micelles (IP2K) and albumin nanoparticles (IBSA), to solubilize the extremely hydrophobic and insoluble ITA to allow intravenous administration and pharmacokinetics (PK)/pharmacodynamics (PD) comparisons...
October 25, 2017: Molecular Pharmaceutics
https://www.readbyqxmd.com/read/29065727/design-and-fabrication-of-gelma-chitosan-nanoparticles-composite-hydrogel-for-angiogenic-growth-factor-delivery
#16
Khashayar Modaresifar, Afra Hadjizadeh, Hassan Niknejad
The cellular microenvironment plays a crucial role in improving cell response and function of an engineered tissue. Scaffolds mimicking the native ECM and capable of releasing growth factors are great candidates for tissue engineering applications. Gelatin methacryloyl (GelMA) hydrogel, a photocrosslinkable biomaterial possessing tunable properties, has been widely used in tissue engineering. It has been suggested that incorporating micro/nano carriers in GelMA could provide a sustained release of growth factors...
October 24, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/29062241/interleukin-1-receptor-antagonist-inhibits-angiogenesis-via-blockage-il-1%C3%AE-pi3k-nf-%C3%AE%C2%BA%C3%AE-pathway-in-human-colon-cancer-cell
#17
Jiachi Ma, Xiaowen Sun, Tiankang Guo, He Su, Quan Chen, Zhenqiang Gong, Jianbo Qi, Xiaodan Zhao
PURPOSE: This article investigates the relationship between cancer cells and stromal cells in carcinoma cell living microenvironment and elucidates the mechanism that interleukin-1 receptor antagonist (IL-1RA) blocks metastatic potential in colon cancer. METHODS: Western blot and RT-PCR assay were used to determine the expression of hepatocyte growth factor (HGF) and IL-1α in colon carcinoma cells and stromal cells. Effect of IL-1RA and HGF on metastatic potential of colon cancer cells were examined by proliferation, invasion, and angiogenesis assays...
2017: Cancer Management and Research
https://www.readbyqxmd.com/read/29061136/isolation-and-characterization-of-three-new-anti-proliferative-sesquiterpenes-from-polygonum-barbatum-and-their-mechanism-via-apoptotic-pathway
#18
Umar Farooq, Sadia Naz, Binte Zehra, Ajmal Khan, Syed Abid Ali, Ayaz Ahmed, Rizwana Sarwar, Syed Majid Bukhari, Abdur Rauf, Izhar Ahmad, Yahia Nasser Mabkhot
BACKGROUND: The emergence of chemoresistant cancers and toxicity related to existing chemotherapeutic agents, demand the search for new pharmacophore with enhanced anti-cancer activity and least toxicity. For this purpose, three new sesquiterpenes were isolated from ethyl acetate fraction of the aerial parts of the plant Polygonum barbatum and evaluated for their anti-cancer potential. METHODS: The structural elucidation and characterization of the isolated compounds 1-3 were performed using various spectroscopic techniques such as mass, UV, IR, and extensive 1D/2D-NMR spectroscopy...
October 23, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29059160/il6-derived-from-cancer-associated-fibroblasts-promotes-chemoresistance-via-cxcr7-in-esophageal-squamous-cell-carcinoma
#19
Y Qiao, C Zhang, A Li, D Wang, Z Luo, Y Ping, B Zhou, S Liu, H Li, D Yue, Z Zhang, X Chen, Z Shen, J Lian, Y Li, S Wang, F Li, L Huang, L Wang, B Zhang, J Yu, Z Qin, Y Zhang
Various factors and cellular components in the tumor microenvironment are key drivers associated with drug resistance in many cancers. Here, we analyzed the factors and molecular mechanisms involved in chemoresistance in patients with esophageal squamous cell carcinoma (ESCC). We found that interleukin 6 (IL6) derived mainly from cancer-associated fibroblasts played the most important role in chemoresistance by upregulating C-X-C motif chemokine receptor 7 (CXCR7) expression through signal transducer and activator of transcription 3/nuclear factor-κB pathway...
October 23, 2017: Oncogene
https://www.readbyqxmd.com/read/29059154/fibroblast-growth-factor-13-regulates-glioma-cell-invasion-and-is-important-for-bevacizumab-induced-glioma-invasion
#20
Y Otani, T Ichikawa, K Kurozumi, S Inoue, J Ishida, T Oka, T Shimizu, Y Tomita, Y Hattori, A Uneda, Y Matsumoto, H Michiue, I Date
Glioblastoma has the poorest prognosis, and is characterized by excessive invasion and angiogenesis. To determine the invasive mechanisms, we previously used two glioma cell lines (J3T-1 and J3T-2) with different invasive phenotypes. The J3T-1 showed abundant angiogenesis and tumor cell invasion around neovasculature, while J3T-2 showed diffuse cell infiltration into surrounding healthy parenchyma. Microarray analyses were used to identify invasion-related genes in J3T-2 cells, and the expressed genes and their intracellular and intratumoral distribution patterns were evaluated in J3T-2 cell lines, human glioma cell lines, human glioblastoma stem cells and human glioblastoma specimens...
October 23, 2017: Oncogene
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