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Angiogenic factors

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https://www.readbyqxmd.com/read/30515221/the-effects-of-platelet-derived-growth-factor-bb-on-bone-marrow-stromal-cell-mediated-vascularized-bone-regeneration
#1
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
https://www.readbyqxmd.com/read/30513885/the-different-facades-of-retinal-and-choroidal-endothelial-cells-in-response-to-hypoxia
#2
REVIEW
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
https://www.readbyqxmd.com/read/30513765/current-landscape-and-the-potential-role-of-hypoxia-inducible-factors-and-selenium-in-clear-cell-renal-cell-carcinoma-treatment
#3
REVIEW
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
https://www.readbyqxmd.com/read/30513637/%C3%AE-melanocyte-stimulating-hormone-attenuates-neovascularization-by-inducing-nitric-oxide-deficiency-via-mc-rs-pka-nf-%C3%AE%C2%BAb-signaling
#4
Wen-Tsan Weng, Chieh-Shan Wu, Feng-Sheng Wang, Chang-Yi Wu, Yi-Ling Ma, Hoi-Hung Chan, Den-Chiung Wu, Jian-Ching Wu, Tian-Huei Chu, Shih-Chung Huang, Ming-Hong Tai
α-melanocyte-stimulating hormone (α-MSH) has been characterized as a novel angiogenesis inhibitor. The homeostasis of nitric oxide (NO) plays an important role in neovascularization. However, it remains unclear whether α-MSH mitigates angiogenesis through modulation of NO and its signaling pathway. The present study elucidated the function and mechanism of NO signaling in α-MSH-induced angiogenesis inhibition using cultured human umbilical vein endothelial cells (HUVECs), rat aorta rings, and transgenic zebrafish...
November 30, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/30512964/decreased-levels-of-micrornas-28-5p-361-3p-and-increased-insulin-like-growth-factor-1-mrna-levels-in-mononuclear-cells-from-hereditary-hemorrhagic-telangiectasia-patients
#5
Anthony Cannavicci, Qiuwang Zhang, Si-Cheng Dai, Marie E Faughnan, Michael Kutryk
Hereditary hemorrhagic telangiectasia (HHT) is a rare vascular disorder inherited in an autosomal dominant manner. Patients with HHT can develop vascular dysplasias called telangiectasias and arteriovenous malformations (AVMs). Our objective was to profile and characterize microRNAs (miRs), short-noncoding RNAs that regulate gene expression post-transcriptionally, in HHT patient derived peripheral blood mononuclear cells (PBMCs). PBMCs, comprised mostly of lymphocytes and monocytes, have been reported to be dysfunctional in HHT...
December 4, 2018: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/30511639/endothelial-specific-foxo1-depletion-prevents-obesity-related-disorders-by-increasing-vascular-metabolism-and-growth
#6
Martina Rudnicki, Ghoncheh Abdifarkosh, Emmanuel Nwadozi, Sofhia V Ramos, Armin Makki, Diane M Sepa-Kishi, Rolando B Ceddia, Christopher Gr Perry, Emilie Roudier, Tara L Haas
Impaired angiogenesis is a hallmark of metabolically dysfunctional adipose tissue in obesity. However, the underlying mechanisms restricting angiogenesis within this context remain ill-defined. Here, we demonstrate that induced endothelial-specific depletion of the transcription factor Forkhead Box O1 (FoxO1) in male mice led to increased vascular density in adipose tissue. Upon high-fat diet feeding, endothelial cell FoxO1-deficient mice exhibited even greater vascular remodeling in the visceral adipose depot, which was paralleled with a healthier adipose tissue expansion, higher glucose tolerance and lower fasting glycemia concomitant with enhanced lactate levels...
December 4, 2018: ELife
https://www.readbyqxmd.com/read/30510587/angiotensin-ii-attenuates-the-bioactivities-of-human-endothelial-progenitor-cells-via-downregulation-of-%C3%AE-2-adrenergic-receptor
#7
Seon Jin Lee, Da Yeon Kim, Jisoo Yun, Sung Hyun Choi, Seok Yun Jung, Songhwa Kang, Ji Hye Park, Yeon Ju Kim, Jong Seong Ha, Seung Taek Ji, Woong Bi Jang, Dong Hyung Lee, Dongjun Lee, Sang-Mo Kwon
Cross talks between the renin-angiotensin system (RAS), sympathetic nervous system, and vascular homeostasis are tightly coordinated in hypertension. Angiotensin II (Ang II), a key factor in RAS, when abnormally activated, affects the number and bioactivity of circulating human endothelial progenitor cells (hEPCs) in hypertensive patients. In this study, we investigated how the augmentation of Ang II regulates adrenergic receptor-mediated signaling and angiogenic bioactivities of hEPCs. Interestingly, the short-term treatment of hEPCs with Ang II drastically attenuated the expression of beta-2 adrenergic receptor (ADRB2), but did not alter the expression of beta-1 adrenergic receptor (ADRB1) and Ang II type 1 receptor (AT1R)...
2018: Stem Cells International
https://www.readbyqxmd.com/read/30510090/editor-s-note-grape-seed-proanthocyanidins-inhibit-the-growth-of-human-non-small-cell-lung-cancer-xenografts-by-targeting-insulin-like-growth-factor-binding-protein-3-tumor-cell-proliferation-and-angiogenic-factors
#8
Suhail Akhtar, Syed M Meeran, Nandan Katiyar, Santosh K Katiyar
No abstract text is available yet for this article.
December 1, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/30509481/novel-in-vitro-comparative-model-of-osteogenic-and-inflammatory-cell-response-to-dental-implants
#9
Kelly M Hotchkiss, Kegan T Sowers, Rene Olivares-Navarrete
OBJECTIVES: Roughened dental implants promote mesenchymal stem cell (MSCs) osteoblastic differentiation, and hydrophilic modifications induce anti-inflammatory macrophages activation. While the effect of different surface modifications on osseointegration of commercial dental implants have been compared in vivo and clinically, the initial cellular response to these modifications often overlooked. We aimed to characterize the macrophage inflammatory response and MSC osteogenesis across different commercially available implants in vitro...
November 30, 2018: Dental Materials: Official Publication of the Academy of Dental Materials
https://www.readbyqxmd.com/read/30509339/regulation-of-steroidogenic-function-of-luteal-cells-by-thrombospondin-and-insulin-in-water-buffalo-bubalus-bubalis
#10
Avishek Paul, Meeti Punetha, Sai Kumar, Arvind Sonwane, Vikrant S Chouhan, Gyanendra Singh, V P Maurya, M Sarkar
The present study examined the effect of exogenous thrombospondin 1 (TSP1) on the steroidogenic function of luteal cells cultured in vitro. Furthermore, the transcriptional interaction of insulin with TSP1 and its receptor, cluster of differentiation 36 (CD36) were also investigated. At the highest dose (500 ng mL-1) TSP1 significantly downregulated the expression of the angiogenic marker von Willebrand factor (vWF) and progesterone production in cultured luteal cells. Moreover, the simultaneous upregulation in the expression of caspase 3 by exogenous TSP1 was consistent with a reduction in the number of viable luteal cells as determined by 3-(4,5-dimethylthiazole-2-yl)-2,5-diphenyltertrazolium bromide (MTT) assay after 72 h of culture...
December 4, 2018: Reproduction, Fertility, and Development
https://www.readbyqxmd.com/read/30508942/long-term-use-of-bevacizumab-in-the-treatment-of-triple-negative-breast-cancer-with-giant-tumor-in-chest-wall-a-case-report
#11
Xinyu Gui, Huiping Li, Guohong Song, Bin Shao, Hanfang Jiang
RATIONALE: Triple-negative breast cancer (TNBC) is associated with unfavorable prognosis due to lack of targeted agents. Bevacizumab, an anti-angiogenic monoclonal antibody against vascular endothelial growth factor A, has shown clinical effects in patients with TNBC. PATIENT CONCERNS: We reported a 49-year-old woman presenting with a giant breast tumor. DIAGNOSES: Stage IV TNBC with chest wall metastasis. INTERVENTIONS: The patient underwent long-term use of bevacizumab combined with chemotherapy...
November 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/30507376/global-transcriptional-analysis-identifies-a-novel-role-for-sox4-in-tumor-induced-angiogenesis
#12
Stephin J Vervoort, Olivier G de Jong, M Guy Roukens, Cynthia L Frederiks, Jeroen F Vermeulen, Ana Rita Lourenço, Laura Bella, Ana Tufegdzic Vidakovic, José L Sandoval, Cathy Moelans, Miranda van Amersfoort, Margaret J Dallman, Alejandra Bruna, Carlos Caldas, Edward Nieuwenhuis, Elsken van der Wall, Patrick Derksen, Paul van Diest, Marianne C Verhaar, Eric W-F Lam, Michal Mokry, Paul J Coffer
The expression of the transcription factor SOX4 is increased in many human cancers, however, the pro-oncogenic capacity of SOX4 can vary greatly depending on the type of tumor. Both the contextual nature and the mechanisms underlying the pro-oncogenic SOX4 response remain unexplored. Here, we demonstrate that in mammary tumorigenesis, the SOX4 transcriptional network is dictated by the epigenome and is enriched for pro-angiogenic processes. We show that SOX4 directly regulates endothelin-1 (ET-1) expression and can thereby promote tumor-induced angiogenesis both in vitro and in vivo...
December 3, 2018: ELife
https://www.readbyqxmd.com/read/30507245/asparaginyl-endopeptidase-may-promote-liver-sinusoidal-endothelial-cell-angiogenesis-via-pi3k-akt-pathway
#13
Na Li, Chu Liu, Guifen Ma, Yujen Tseng, Duyi Pan, Jie Chen, Feng Li, Xiaoqing Zeng, Tiancheng Luo, Shiyao Chen
BACKGROUND AND AIMS: pathological angiogenesis plays an important role in the progression of chronic liver diseases. Asparaginyl endopeptidase (AEP) participates in tumor angiogenesis and was recently shown to be associated with liver fibrosis. This study aimed to explore the effect of AEP on liver sinusoidal endothelial cell (LSECs) angiogenesis and determine the underlying mechanism. METHODS: cultured LSECs were infected with lentiviruses in order to suppress AEP expression (AEP-KD1, AEP-KD2)...
December 3, 2018: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/30506491/maternal-reproductive-hormones-and-angiogenic-factors-in-pregnancy-and-subsequent-breast-cancer-risk
#14
Rosie Cornish, Anne Cathrine Staff, Andy Boyd, Debbie A Lawlor, Steinar Tretli, Gary Bradwin, Thomas F McElrath, Marianne Hyer, Robert N Hoover, Rebecca Troisi
PURPOSE: Breast cancer risk associated with pregnancy characteristics may be mediated by maternal hormones or angiogenic factors. METHODS: We conducted a prospective breast cancer case-control study among women in the Avon Longitudinal Study of Parents and Children (ALSPAC) and Norwegian Mother and Child Cohort Study (MoBa) related to maternal pregnancy prolactin (n = 254 cases and 374 controls), placental growth factor (PlGF, n = 252 and 371), soluble fms-like tyrosine kinase-1 (sFlt-1, n = 118 and 240) and steroid hormone concentrations (ALSPAC only, n = 173 and 171)...
December 1, 2018: Cancer Causes & Control: CCC
https://www.readbyqxmd.com/read/30505782/expression-of-vascular-endothelial-growth-factor-and-microvessel-density-in-psoriatic-skin-lesions
#15
Priya T Rajan, T N Suresh, T S Rajashekar
Background: Psoriasis is a common chronic and immune-mediated skin disorder having a significant impact on the patient's quality of life. An analysis of the role of angiogenic vascular endothelial growth factor (VEGF) expression and microvessel density in psoriatic skin lesions may help in better understanding of the disease pathogenesis. The aim of this study was to examine the expression of vascular endothelial growth factor (VEGF) and microvessel density using CD34 antibodies in psoriatic skin lesions by immunohistochemical examination using normal skin of healthy individuals as controls...
November 2018: Indian Dermatology Online Journal
https://www.readbyqxmd.com/read/30505425/large-adipose-tissue-generation-in-a-mussel-inspired-bioreactor-of-elastic-mimetic-cryogel-and-platelets
#16
Qiang Chang, Junrong Cai, Ying Wang, Ruijia Yang, Malcolm Xing, Feng Lu
Soft tissue generation, especially in large tissue, is a major challenge in reconstructive surgery to treat congenital deformities, posttraumatic repair, and cancer rehabilitation. The concern is along with the donor site morbidity, donor tissue shortage, and flap necrosis. Here, we report a dissection-free adipose tissue chamber-based novel guided adipose tissue regeneration strategy in a bioreactor of elastic gelatin cryogel and polydopamine-assisted platelet immobilization intended to improve angiogenesis and generate large adipose tissue in situ...
January 2018: Journal of Tissue Engineering
https://www.readbyqxmd.com/read/30503342/vascular-endothelial-growth-factor-signaling-in-ve-cadherin-expression-and-tube-like-formation-by-rheumatoid-arthritic-synovial-fibroblast-like-cells
#17
Kosuke Yamaguchi, Haruka Sudo, Kazushi Imai
An increase in the vasculature is one of most representative changes in the synovial tissue of joints in rheumatoid arthritis (RA) and is closely associated with disease progression. Although the vasculatures are believed to be a result of VE-cadherin-dependent angiogenesis and a possible therapeutic target of the disease, synovial fibroblastic cells express VE-cadherin and form tube-like structures, suggesting that vasculatures in RA synovium may not simply result from angiogenesis. This paper analyzes a mechanism of VE-cadherin expression by rheumatoid arthritic synovial fibroblast-like cells (RSFLs) and their involvement in the tube-like formation...
November 28, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/30502369/regulation-of-plasticity-and-biological-features-of-endothelial-progenitor-cells-by-msc-derived-sdf-1
#18
Samaneh Keshavarz, Seyed Mahdi Nassiri, Vahid Siavashi, Nika Sadat Alimi
Bone marrow (BM) is a source of mesenchymal stromal cells (MSCs) and endothelial progenitor cells (EPCs). MSCs provide a specific niche in the BM and biological features of EPCs may be changed with this niche. Stromal cell-derived factor 1 (SDF-1) secreted from primary BM-MSCs and biological features of this niche on EPC development are still yet to be understood. The aim of this study was to evaluate the role of SDF-1 produced by MSCs on EPC development. We applied the CRISPR/Cas9 system for the knock-out of the SDF-1 gene in BM-derived MSCs...
November 28, 2018: Biochimica et biophysica acta. Molecular cell research
https://www.readbyqxmd.com/read/30489650/r-ras-regulates-vascular-permability-but-not-overall-healing-in-skin-wounds
#19
Tuomo Ketomäki, Maria Vähätupa, Ulrike May, Toini Pemmari, Ella Ruikka, Jussi Hietamo, Pirkka Kaipiainen, Harlan Barker, Seppo Parkkila, Hannele Uusitalo-Järvinen, Tero A H Järvinen
Wounds close by keratinocytes migrating from the edge of the wound and re-epithelializing the epidermis. It has been proposed that the major stimuli for wound closure are blood-derived growth factors, chemokines, and cytokines. The small GTPase R-Ras, a known integrin activator, also regulates vascular permeability during angiogenesis, and blood vessels lacking R-Ras leak plasma proteins constantly. We explored whether the access to blood-derived proteins influences skin wound healing in R-Ras knockout (KO) mice...
November 29, 2018: Experimental Dermatology
https://www.readbyqxmd.com/read/30487752/are-the-cognitive-alterations-present-in-children-born-from-preeclamptic-pregnancies-the-result-of-impaired-angiogenesis-focus-on-the-potential-role-of-the-vegf-family
#20
Evelyn Lara, Jesenia Acurio, José Leon, Jeffrey Penny, Pablo Torres-Vergara, Carlos Escudero
Evidence from clinical studies has proposed that children born from preeclamptic women have a higher risk of suffering neurological, psychological, or behavioral alterations. However, to date, the mechanisms behind these outcomes are poorly understood. Here, we speculate that the neurodevelopmental alterations in the children of preeclamptic pregnancies result from impaired angiogenesis. The pro-angiogenic factors vascular endothelial growth factor (VEGF) and placental growth factor (PlGF) are key regulators of both vascular and neurological development, and it has been widely demonstrated that umbilical blood of preeclamptic pregnancies contains high levels of soluble VEGF receptor type 1 (sFlt-1), a decoy receptor of VEGF...
2018: Frontiers in Physiology
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