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Vascular endothelial growth factors

Zhimeng Lv, Ming Guo, Chenghua Li, Yina Shao, Xuelin Zhao, Weiwei Zhang
Vascular endothelial growth factor (VEGF) is a key conservative regulator of inflammation response by promoting cell proliferation, migration, and vascular permeability. It also induces the release of inflammatory factors in vertebrates. We previously characterized NLR family pyrin domain containing 3 and HMGB3 homology in Apostichopus japonicus, providing the occurrence of inflammation in this species. However, to our knowledge, other inflammation-related molecules, such as VEGF, have rarely been investigated...
December 2, 2018: Developmental and Comparative Immunology
Takashi Kido, Shigeru Miyagawa, Takasumi Goto, Katsuto Tamai, Takayoshi Ueno, Koichi Toda, Toru Kuratani, Yoshiki Sawa
OBJECTIVES: We hypothesized that systemic administration of high-mobility group box 1 fragment attenuates the progression of myocardial fibrosis and cardiac dysfunction in a hamster model of dilated cardiomyopathy by recruiting bone marrow mesenchymal stem cells thus causing enhancement of a self-regeneration system. METHODS: Twenty-week-old J2N-k hamsters, which are δ-sarcoglycan-deficient, were treated with systemic injection of high-mobility group box 1 fragment (HMGB1, n = 15) or phosphate buffered saline (control, n = 11)...
2018: PloS One
Min Zeng, Yulin Luo, Chunrong Xu, Rong Li, Ni Chen, Xin Deng, Dan Fang, Liqun Wang, Jianbo Wu, Mao Luo
Platelets (PLTs) - endothelial cells (ECs) interaction appears to contribute to phenotypic transition of VSMCs that play an important role in the physiological and pathological process of vascular complications in Type 2 diabetes (DM2). However, the precise mechanisms by which interactions between PLTs and ECs affect VSMCs phenotype, have largely remained unclear. We determined the effect of diabetic PLTs-ECs interaction to influence VSMCs migration, proliferation and phenotypic transformation in triple cell co-culture models using the qRT-PCR, western blot, fluorescence microscopy, wound scratch assays, CCK-8 assays, and gelatine zymography assays...
December 5, 2018: American Journal of Physiology. Cell Physiology
T Kakhniashvili, N Tabagari-Bregvadze, Sh Dzvelaia, A Chikadze, R Kurashvili
Our aim was to compare serum vascular endothelial growth factor (VEGF) level in type 2 diabetes mellitus (T2DM) patients with comorbid OSA at screening and 6 month follow up visits. In the prospective cohort study following data were collected at screening visit: medical anamnesis; demographic and anthropometric data; Epworth sleepiness score data; laboratory (serum VEGF, complete blood count, biochemistry, immunology, complete urine test, including microalbuminuria) and instrumental investigation data (fundoscophy, laboratory polysomnography)...
October 2018: Georgian Medical News
T Kakhniashvili, N Tabagari-Bregvadze, L Nikoleishvili, L Khuchua, R Kurashvili
Our aim was to evaluate the serum vascular endothelial growth factor (VEGF) level in type 2 diabetes patients with comorbid obstructive sleep apnea (OSA) and to compare it in connection with diabetic retinopathy and chronic kidney disease severity. In the prospective cohort study following data were collected: medical anamnesis; demographic and anthropometric data; laboratory (serum VEGF, complete blood count, biochemistry, immunology, complete urine test, including microalbuminuria) and instrumental investigation data (fundoscophy, laboratory polysomnography)...
October 2018: Georgian Medical News
Ali Mahdi, Behrad Darvishi, Keivan Majidzadeh-A, Malihe Salehi, Leila Farahmand
It is now fully recognized that along with multiple physiological functions, angiogenesis is also involved in the fundamental process and pathobiology of several disorders including cancer. Recent studies have fully established the role of angiogenesis in cancer progression as well as invasion and metastasis. Consequently, many therapeutic agents such as monoclonal antibodies targeting angiogenesis pathway have been introduced in clinic with the hope for improving the outcomes of cancer therapy. Bevacizumab (Avastin®) was the first anti-vascular endothelial growth factor (VEGF) targeting monoclonal antibody developed with this purpose and soon received its accelerated US Food and Drug Administration (FDA) approval for treatment of patients with metastatic breast cancer in 2008...
December 4, 2018: Journal of Cellular Physiology
Ying Yang, Bo Gong, Zheng-Zheng Wu, Ping Shuai, Dong-Feng Li, Ling-Lin Liu, Man Yu
Existing evidence has highlighted the effect of ultraviolet light radiation leading to corneal epithelium impairment. During this study, we aim to investigate the effect of microRNA-129-5p (miR-129-5p) on the wound healing process of corneal epithelial cells (CECs) induced by ultraviolet rays in mice by targeting epidermal growth factor receptor (EGFR). First, mouse models of ultraviolet ray-induced CEC injury were established and intrastromally injected with different mimic, inhibitor, and short interfering RNA (siRNA) to detect the effect of miR-129-5p on CEC injury...
December 4, 2018: Journal of Cellular Physiology
Vânia Lages, Béatrice Gehrig, Carl P Herbort
BACKGROUND: Intravitreal injection of anti-vascular endothelial growth factor agents is the most common intraocular procedure worldwide, inevitably causing more cases of post-injection endophthalmitis. The purpose of this study was to evaluate the utility of laser flare photometry in monitoring inflammation after intravitreal injection of anti-vascular endothelial growth factor agents, particularly to detect early stage post-injection endophthalmitis. A retrospective case review was performed of all patients who underwent flare assessment by laser flare photometry before and after intravitreal injection of bevacizumab or aflibercept at the Centre for Ophthalmic Specialized Care in Lausanne, Switzerland, between January 2015 and May 2018...
December 4, 2018: Journal of Ophthalmic Inflammation and Infection
Sona Haku, Hiromichi Wakui, Kengo Azushima, Kotaro Haruhara, Sho Kinguchi, Kohji Ohki, Kazushi Uneda, Ryu Kobayashi, Miyuki Matsuda, Takahiro Yamaji, Takayuki Yamada, Shintaro Minegishi, Tomoaki Ishigami, Akio Yamashita, Kenichi Ohashi, Kouichi Tamura
Abnormal angiogenesis plays a major role in the development of early stage diabetic nephropathy. Vascular endothelial growth factor (VEGF) is a classical proangiogenic factor that regulates abnormal glomerular angiogenesis linked to glomerular hypertrophy in the early stage of diabetic nephropathy. Leucine-rich α -2-glycoprotein-1 (LRG1) was recently reported as a novel proangiogenic factor that is expressed in endothelial cells and promotes angiogenesis by modulating the transforming growth factor- β signaling pathway...
2018: BioMed Research International
Nisha Panth, Keshav Raj Paudel, Dal-Seong Gong, Min-Ho Oak
Morus alba (white mulberry) is native to the northern part of Korea and popularly used as a traditional medicine due to its numerous health benefits against human's disease. However, the possibility that M. alba may also affect the cardiovascular system remains unexplored. This study sought to investigate the vascular protective effects of the root bark extract of M. alba (MAE). Vascular reactivity was performed in organ baths using isolated rat thoracic aorta, while platelet derived growth factor (PDGF) induced proliferation and migration of vascular smooth muscle cells (VSMCs) were studied by 3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium (MTS) and wound healing assay, respectively...
2018: Evidence-based Complementary and Alternative Medicine: ECAM
Maolin Zhang, Wenwen Yu, Kunimichi Niibe, Wenjie Zhang, Hiroshi Egusa, Tingting Tang, Xinquan Jiang
Regenerative medicine for bone tissue mainly depends on efficient recruitment of endogenous or transplanted stem cells to guide bone regeneration. Platelet-derived growth factor (PDGF) is a functional factor that has been widely used in tissue regeneration and repair. However, the short half-life of PDGF limits its efficacy, and the mechanism by which PDGF regulates stem cell-based bone regeneration still needs to be elucidated. In this study, we established genetically modified PDGF-B-overexpressing bone marrow stromal cells (BMSCs) using a lentiviral vector and then explored the mechanism by which PDGF-BB regulates BMSC-based vascularized bone regeneration...
2018: Stem Cells International
Yasemin Behram Kandemir, Esma Konuk, Mustafa Behram, Muzaffer Sindel
Objective: To analyze the effects of melatonin on vascular endothelial growth factor A (VEGF-A) expression and follicle reserve in rat ovary. Materials and Methods: A total of 45 female Wistar rats were used in the present study. Rats were divided into three groups: group 1 (control), group 2 (vehicle), and group 3 (melatonin). Rats in the melatonin group were treated with an intraperitoneal injection of melatonin at a dose of 50 mg/kg/day for 56 days. We investigated VEGF-A expression in rat ovary in all the groups using Western blot and reverse transcription-polymerase chain reaction...
October 2018: Eurasian Journal of Medicine
Yijin Fan, Huajun Tang, Yao Liu, Chengzhi Li
OBJECTIVE: To establish a SD rat model of vulvar squamous intraepithelial lesions. METHODS: Seventy female SD rats were randomized into 4 groups, namely the blank control group ( n =10), mechanical irritation group ( n =10), acetone solution group ( n =10), and mechanical irritation with DMBA acetone solution group ( n =40, model group), and the corresponding treatments were administered 3 times a week for 14 weeks. The changes of the vulvar skin of the rats were observed regularly until the 18th week...
November 30, 2018: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
Jiantao Sun, Jiemei Yang, Jing Chi, Xue Ding, Nan Lv
BACKGROUND: Cardiac hypertrophy and acute myocardial infarction (AMI) are two common heart diseases worldwide. However, research is needed into the exact pathogenesis and effective treatment strategies for these diseases. Recently, microRNAs (miRNAs) have been suggested to regulate the pathological pathways of heart disease, indicating a potential role in novel treatments. RESULTS: In our study, we constructed a miRNA-gene-drug network and analyzed its topological features...
December 4, 2018: Human Genomics
Effat Alizadeh, Parviz Mammadzada, Helder André
Ocular angiogenic diseases, such as proliferative diabetic retinopathy and neovascular age-related macular degeneration, are associated with severe loss of vision. These pathologies originate from different vascular beds, retinal and choroidal microvasculatures, respectively. The activation of endothelial cells (EC) plays pivotal roles in angiogenesis, often triggered by oxygen deficiency. Hypoxia-inducible factors in ECs mediate the transcription of multiple angiogenic genes, including the canonical vascular endothelial growth factors...
December 3, 2018: International Journal of Molecular Sciences
Rohan Garje, Josiah J An, Kevin Sanchez, Austin Greco, Jeffrey Stolwijk, Eric Devor, Youcef Rustum, Yousef Zakharia
In the last two decades, the discovery of various pathways involved in renal cell carcinoma (RCC) has led to the development of biologically-driven targeted therapies. Hypoxia-inducible factors (HIFs), angiogenic growth factors, von Hippel⁻Lindau ( VHL ) gene mutations, and oncogenic microRNAs (miRNAs) play essential roles in the pathogenesis and drug resistance of clear cell renal cell carcinoma. These insights have led to the development of vascular endothelial growth factor (VEGF) inhibitors, Mechanistic target of rapamycin (mTOR) inhibitors, and immunotherapeutic agents, which have significantly improved the outcomes of patients with advanced RCC...
December 1, 2018: International Journal of Molecular Sciences
Barbara R Cardoso, Ewa A Szymlek-Gay, Blaine R Roberts, Melissa Formica, Jenny Gianoudis, Stella O'Connell, Caryl A Nowson, Robin M Daly
Selenium was suggested to play a role in modulating cognitive performance and dementia risk. Thus, this study aimed to investigate the association between selenium status and cognitive performance, as well as inflammatory and neurotrophic markers in healthy older adults. This cross-sectional study included 154 older adults (≥60 years) from Victoria, Australia. Participants were assessed for cognitive performance (Cogstate battery), dietary selenium intake (two 24-h food recalls), plasma selenium concentration, inflammatory markers (interleukin (IL)-6, -8, -10, tumor necrosis factor-alpha and adiponectin) and neurotrophic factors (brain-derived neurotrophic factor, vascular endothelial growth factor and insulin-like growth factor 1)...
December 1, 2018: Nutrients
Guifang Sun, Fengqi Liu, Chunhong Xiu
INTRODUCTION: Coronary microcirculation disturbance plays an important role in chronic heart failure (CHF). High thoracic sympathetic block (HTSB) is effective to treat CHF, but its impact on coronary microcirculation is unclear. METHODS: Forty male Wistar rats were subcutaneously injected with isoproterenol (340 mg/kg) for 2 days. Eight weeks later, 24 surviving rats were randomized to the CHF and HTSB groups and 10 rats were used as the control group. 50 μl of saline and ropivacaine (0...
December 1, 2018: Microvascular Research
Roger K Khouri
No abstract text is available yet for this article.
November 2018: Plastic and Reconstructive Surgery
Qianwen Wang, Lu Zhou, Tailing Wang, Xin Guo, Hao Yu, Jiaqi Wang
BACKGROUND: Rapid tissue expansion has been attempted, aiming at shortening the period of conventional expansion. However, it has scarcely been clinically applied because of its drawbacks such as low expansion efficiency and tissue destruction. Adipose-derived stem cell transplantation is a promising therapeutic method in regenerative medicine. However, its effects on rapid expansion remain poorly understood. METHODS: Twenty-four expanders were implanted in the dorsum of 12 pigs...
November 2018: Plastic and Reconstructive Surgery
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