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https://www.readbyqxmd.com/read/28226374/adjuncts-to-improve-nasal-reconstruction-results
#1
Shayna Lee Gordon, Eva A Hurst
The final cosmetic appearance of nasal reconstruction scars is of paramount importance to both the patient and surgeon. Ideal postreconstruction nasal scars are flat and indistinguishable from surrounding skin. Unfortunately, even with meticulous surgical execution, nasal scars can occasionally be suboptimal. Abnormal fibroblast response can lead to hypertrophic nasal scars, and excessive angiogenesis may lead to telangiectasias or an erythematous scar. Imperfect surgical closure or poor postoperative management can lead to surgical outcomes with step-offs, depressions, suture marks, or dyspigmentation...
February 2017: Facial Plastic Surgery: FPS
https://www.readbyqxmd.com/read/28224951/review-of-article-coadministration-of-adipose-derived-stem-cells-and-control-released-basic-fibroblast-growth-factor-facilitates-angiogenesis-in-a-murine-ischemic-hind-limb-model-by-horikoshi-ishihara-tobita-tajima-et%C3%A2-al-journal-of-vascular-surgery-12-2016
#2
https://www.readbyqxmd.com/read/28217805/-induction-of-robust-senescence-associated-secretory-phenotype-in-mouse-nih-3t3-cells-by-mitomycin-c
#3
Wei-Xing Huang, Xiao-Xuan Guo, Zhong-Zhi Peng, Chun-Liang Weng, Chun-Yan Huang, Ben-Yan Shi, Jie Yang, Xiao-Xin Liao, Xiao-Yi Li, Hui-Ling Zheng, Xin-Guang Liu, Xue-Rong Sun
Senescence-associated secretory phenotype (SASP) is often a concomitant result of cell senescence, embodied by the enhanced function of secretion. The SASP factors secreted by senescent cells include cytokines, proteases and chemokines, etc, which can exert great influence on local as well as systemic environment and participate in the process of cell senescence, immunoregulation, angiogenesis, cell proliferation and tumor invasion, etc. Relative to the abundance of SASP models in human cells, the in vitro SASP model derived from mouse cells is scarce at present...
February 25, 2017: Sheng Li Xue Bao: [Acta Physiologica Sinica]
https://www.readbyqxmd.com/read/28214341/angiopoietin-2-enhances-osteogenic-differentiation-of-bone-marrow-stem-cells
#4
Mi-Lan Kang, Eun-Ah Kim, Se-Young Jeong, Gun-Il Im
Our previous studies revealed that co-transplantation of bone marrow stem cells (BMSCs) and adipose-derived stem cells (ADSCs) can enhance bone regeneration and angiogenesis. However, it is unclear which genes are involved in the regulation of osteogenesis and/or angiogenesis during the co-culturing of BMSCs and ADSCs. The expression patterns of genes associated with osteogenesis and/or angiogenesis were analyzed in osteogenesis-induced BMSCs and ADSCs using an oligonucleotide microarray. Significant difference in the expression patterns of several genes were identified from hierarchical clustering and analyzed on co-cultured BMSCs and ADSCs...
February 18, 2017: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/28213002/a-phase-ii-trial-of-dovitinib-in-previously-treated-advanced-pleural-mesothelioma-the-ontario-clinical-oncology-group
#5
Scott A Laurie, Desiree Hao, Natasha B Leighl, John Goffin, Abderrahim Khomani, Ashish Gupta, Christina L Addison, Anita Bane, Jean Seely, Marc L Filion, Gregory R Pond, Mark N Levine
OBJECTIVES: Following failure of a platinum-antifolate combination regimen, there is no standard therapy for advanced malignant pleural mesothelioma (MPM). The fibroblast growth factor receptor (FGFR) signaling pathways may be a relevant target in MPM. Dovitinib inhibits multiple tyrosine receptor kinases, predominantly the vascular endothelial growth factor receptors (VEGFR), but also FGFRs, and could be active in MPM. METHODS: This open-label multicentre phase II trial [NCT01769547] enrolled fit, consenting adult patients with advanced MPM who had previously received platinum-antifolate combination chemotherapy and up to one additional line of systemic therapy...
February 2017: Lung Cancer: Journal of the International Association for the Study of Lung Cancer
https://www.readbyqxmd.com/read/28212293/targeting-angiogenesis-in-biliary-tract-cancers-an-open-option
#6
REVIEW
Valeria Simone, Oronzo Brunetti, Luigi Lupo, Mario Testini, Eugenio Maiorano, Michele Simone, Vito Longo, Christian Rolfo, Marc Peeters, Aldo Scarpa, Amalia Azzariti, Antonio Russo, Domenico Ribatti, Nicola Silvestris
Biliary tract cancers (BTCs) are characterized by a bad prognosis and the armamentarium of drugs for their treatment is very poor. Although the inflammatory status of biliary tract represents the first step in the cancerogenesis, the microenvironment also plays a key role in the pathogenesis of BTCs, promoting tumor angiogenesis, invasion and metastasis. Several molecules, such as vascular endothelial growth factor (VEGF) and fibroblast growth factor (FGF), are involved in the angiogenesis process and their expression on tumor samples has been explored as prognostic marker in both cholangiocarcinoma and gallbladder cancer...
February 15, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28212278/the-effect-of-the-human-peptide-ghk-on-gene-expression-relevant-to-nervous-system-function-and-cognitive-decline
#7
Loren Pickart, Jessica Michelle Vasquez-Soltero, Anna Margolina
Neurodegeneration, the progressive death of neurons, loss of brain function, and cognitive decline is an increasing problem for senior populations. Its causes are poorly understood and therapies are largely ineffective. Neurons, with high energy and oxygen requirements, are especially vulnerable to detrimental factors, including age-related dysregulation of biochemical pathways caused by altered expression of multiple genes. GHK (glycyl-l-histidyl-l-lysine) is a human copper-binding peptide with biological actions that appear to counter aging-associated diseases and conditions...
February 15, 2017: Brain Sciences
https://www.readbyqxmd.com/read/28209385/a-comparison-of-the-pro-angiogenic-potential-of-human-induced-pluripotent-stem-cell-derived-endothelial-cells-and-induced-endothelial-cells-in-a-murine-model-of-peripheral-arterial-disease
#8
Zoe E Clayton, Gloria S C Yuen, Sara Sadeghipour, Jack D Hywood, Jack W T Wong, Ngan F Huang, Martin K C Ng, John P Cooke, Sanjay Patel
BACKGROUND: Endothelial cells derived from human induced pluripotent stem cells (iPSC-ECs) promote angiogenesis, and more recently induced endothelial cells (iECs) have been generated via fibroblast trans-differentiation. These cell types have potential as treatments for peripheral arterial disease (PAD). However, it is unknown whether different reprogramming methods produce cells that are equivalent in terms of their pro-angiogenic capabilities. OBJECTIVES: We aimed to directly compare iPSC-ECs and iECs in an animal model of PAD, in order to identify which cell type, if any, displays superior therapeutic potential...
January 31, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28208669/the-role-of-nerve-growth-factor-ngf-and-its-precursor-forms-in-oral-wound-healing
#9
REVIEW
Karl Schenck, Olav Schreurs, Katsuhiko Hayashi, Kristen Helgeland
Nerve growth factor (NGF) and its different precursor forms are secreted into human saliva by salivary glands and are also produced by an array of cells in the tissues of the oral cavity. The major forms of NGF in human saliva are forms of pro-nerve growth factor (pro-NGF) and not mature NGF. The NGF receptors tropomyosin-related kinase A (TrkA) and p75 neurotrophin receptor (p75(NTR)) are widely expressed on cells in the soft tissues of the human oral cavity, including keratinocytes, endothelial cells, fibroblasts and leukocytes, and in ductal and acinar cells of all types of salivary glands...
February 11, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28206814/biomarkers-in-tumor-microenvironment-upregulation-of-fibroblast-activation-protein-%C3%AE-correlates-with-gastric-cancer-progression-and-poor-prognosis
#10
Mengmou Hu, Chengjia Qian, Ziwei Hu, Bojian Fei, Haibo Zhou
Gastric cancer is the third leading cause of cancer-related mortality worldwide. Recent evidence points to importance of cross talk between cancer cells and the surrounding stroma on gastric cancer progression. Tumor microenvironment biomarkers thus represent a new opportunity for diagnostics innovation. Reactive stromal fibroblasts selectively express the fibroblast activation protein alpha (FAP-α), a homodimeric integral membrane gelatinase that belongs to the serine protease family. We report here that FAP-α expression is significantly elevated in gastric cancer samples by more than fivefold (p < 0...
January 2017: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/28198360/secreted-clic3-drives-cancer-progression-through-its-glutathione-dependent-oxidoreductase-activity
#11
Juan R Hernandez-Fernaud, Elena Ruengeler, Andrea Casazza, Lisa J Neilson, Ellie Pulleine, Alice Santi, Shehab Ismail, Sergio Lilla, Sandeep Dhayade, Iain R MacPherson, Iain McNeish, Darren Ennis, Hala Ali, Fernanda G Kugeratski, Heba Al Khamici, Maartje van den Biggelaar, Peter V E van den Berghe, Catherine Cloix, Laura McDonald, David Millan, Aoisha Hoyle, Anna Kuchnio, Peter Carmeliet, Stella M Valenzuela, Karen Blyth, Huabing Yin, Massimiliano Mazzone, Jim C Norman, Sara Zanivan
The secretome of cancer and stromal cells generates a microenvironment that contributes to tumour cell invasion and angiogenesis. Here we compare the secretome of human mammary normal and cancer-associated fibroblasts (CAFs). We discover that the chloride intracellular channel protein 3 (CLIC3) is an abundant component of the CAF secretome. Secreted CLIC3 promotes invasive behaviour of endothelial cells to drive angiogenesis and increases invasiveness of cancer cells both in vivo and in 3D cell culture models, and this requires active transglutaminase-2 (TGM2)...
February 15, 2017: Nature Communications
https://www.readbyqxmd.com/read/28193521/pharmacological-inhibition-of-magl-attenuates-experimental-colon-carcinogenesis
#12
Ester Pagano, Francesca Borrelli, Pierangelo Orlando, Barbara Romano, Martina Monti, Lucia Morbidelli, Gabriella Aviello, Roberta Imperatore, Raffaele Capasso, Fabiana Piscitelli, Lorena Buono, Vincenzo Di Marzo, Angelo A Izzo
Colorectal cancer (CRC) is a major health problem in Western countries. The endocannabinoid 2-arachidonoyl-glycerol (2-AG) exerts antiproliferative actions in a number of tumoral cell lines, including CRC cells. Monoacylglycerol lipase (MAGL), a serine hydrolase that inactivates 2-AG, is highly expressed in aggressive human cancer cells. Here, we investigated the role of MAGL in experimental colon carcinogenesis. The role of MAGL was assessed in vivo by using the xenograft and the azoxymethane models of colon carcinogenesis; MAGL expression was evaluated by RT-PCR and immunohistochemistry; 2-AG levels were measured by liquid chromatography mass spectrometry; angiogenesis was evaluated in tumor tissues [by microvessel counting and by investigating the expression of vascular endothelial growth factor (VEGF) and fibroblast growth factor-2 (FGF-2) proteins] as well as in human umbilical vein endothelial cells (HUVEC); cyclin D1 was evaluated by RT-PCR...
February 11, 2017: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/28181448/efficacy-of-bubaline-fibrin-glue-on-full-thickness-pinch-and-punch-skin-grafting-in-a-pig
#13
Krittee Dejyong, Theerayuth Kaewamatawong, Pasakorn Brikshavana, Sumit Durongphongtorn
Fibrin glue, which is formed from the action of thrombin (a serine protease) on fibrinogen, has been developed for use as an adhesive to increase the success of skin graft surgery. The objective of this study was to evaluate if bubaline fibrin glue would promote skin graft survival in pigs. The grafting was divided into two steps. First, granulation wound preparation was performed in a healthy swine by creating four full-skin depth wounds (3 × 12 cm(2)) at the dorsal part of the loin area on each side...
January 1, 2017: Journal of Biomaterials Applications
https://www.readbyqxmd.com/read/28181337/deficiency-of-the-sphingosine-1-phosphate-lyase-sgpl1-is-associated-with-congenital-nephrotic-syndrome-and-congenital-adrenal-calcifications
#14
Andreas R Janecke, Ruijuan Xu, Elisabeth Steichen-Gersdorf, Siegfried Waldegger, Andreas Entenmann, Thomas Giner, Iris Krainer, Lukas A Huber, Michael W Hess, Yaacov Frishberg, Hila Barash, Shay Tzur, Nira Schreyer-Shafir, Rivka Sukenik-Halevy, Tania Zehavi, Annick Raas-Rothschild, Cungui Mao, Thomas Müller
We identified two unrelated consanguineous families with three children affected by the rare association of congenital nephrotic syndrome diagnosed in the first days of life, of hypogonadism, and of prenatally detected adrenal calcifications, associated with congenital adrenal insufficiency in one case. Using exome sequencing and targeted Sanger sequencing two homozygous truncating mutations, c.1513C>T (p.Arg505*) and c.934delC (p.Leu312Phefs*30), were identified in SGPL1 encoding sphingosine-1-phosphate lyase 1...
February 8, 2017: Human Mutation
https://www.readbyqxmd.com/read/28179291/synergistic-inhibitory-effect-of-traditional-chinese-medicine-astragaloside-iv-and-curcumin-on-tumor-growth-and-angiogenesis-in-an-orthotopic-nude-mouse-model-of-human-hepatocellular-carcinoma
#15
Shuo Zhang, Decai Tang, Wenhua Zang, Gang Yin, Jianguo Dai, Y U Sun, Zhijian Yang, Robert M Hoffman, Xiuxia Guo
AIM: The aim of the present study was to investigate the efficacy of the traditional Chinese medicine (TCM), astragaloside IV (AS-IV) and curcumin on tumor growth and angiogenesis in an orthotopic nude-mouse model of human hepatocellular carcinoma (HCC). We have previously shown the usefulness of orthotopic models of human cancer for evaluation of the efficacy of TCM. MATERIALS AND METHODS: Nude mice with orthotopic HepG2 HCC were treated with vehicle control (0...
2017: Anticancer Research
https://www.readbyqxmd.com/read/28178651/stromal-fibroblasts-present-in-breast-carcinomas-promote-tumor-growth-and-angiogenesis-through-adrenomedullin-secretion
#16
Zohra Benyahia, Nadège Dussault, Mylène Cayol, Romain Sigaud, Caroline Berenguer-Daizé, Christine Delfino, Asma Tounsi, Stéphane Garcia, Pierre-Marie Martin, Kamel Mabrouk, L'Houcine Ouafik
Tumor- or cancer-associated fibroblasts (TAFs or CAFs) are active players in tumorigenesis and exhibit distinct angiogenic and tumorigenic properties. Adrenomedullin (AM), a multifunctional peptide plays an important role in angiogenesis and tumor growth through its receptors calcitonin receptor-like receptor/receptor activity modifying protein-2 and -3 (CLR/RAMP2 and CLR/RAMP3). We show that AM and AM receptors mRNAs are highly expressed in CAFs prepared from invasive breast carcinoma when compared to normal fibroblasts...
February 2, 2017: Oncotarget
https://www.readbyqxmd.com/read/28167392/perivascular-extracellular-matrix-hydrogels-mimic-native-matrix-microarchitecture-and-promote-angiogenesis-via-basic-fibroblast-growth-factor
#17
George R Fercana, Saigopalakrishna Yerneni, Marie Billaud, Jennifer C Hill, Paul VanRyzin, Tara D Richards, Brian M Sicari, Scott A Johnson, Stephen F Badylak, Phil G Campbell, Thomas G Gleason, Julie A Phillippi
Extracellular matrix (ECM)-derived bioscaffolds have been shown to elicit tissue repair through retention of bioactive signals. Given that the adventitia of large blood vessels is a richly vascularized microenvironment, we hypothesized that perivascular ECM contains bioactive signals that influence cells of blood vessel lineages. ECM bioscaffolds were derived from decellularized human and porcine aortic adventitia (hAdv and pAdv, respectively) and then shown have minimal DNA content and retain elastin and collagen proteins...
April 2017: Biomaterials
https://www.readbyqxmd.com/read/28165027/potential-role-of-corneal-epithelial-cell-derived-exosomes-in-corneal-wound-healing-and-neovascularization
#18
Kyu-Yeon Han, Jennifer A Tran, Jin-Hong Chang, Dimitri T Azar, James D Zieske
Specific factors from the corneal epithelium underlying the stimulation of stromal fibrosis and myofibroblast formation in corneal wound healing have not been fully elucidated. Given that exosomes are known to transfer bioactive molecules among cells and play crucial roles in wound healing, angiogenesis, and cancer, we hypothesized that corneal epithelial cell-derived exosomes may gain access to the underlying stromal fibroblasts upon disruption of the epithelial basement membrane and that they induce signaling events essential for corneal wound healing...
February 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28163069/adipose-derived-stem-cells-protect-skin-flaps-against-ischemia-reperfusion-injury-via-interleukin-6-expression
#19
Chi-Ming Pu, Chen-Wei Liu, Chan-Jung Liang, Yu-Hsiu Yen, Shun-Hua Chen, Ya-Fen Jiang-Shieh, Chung-Liang Chien, Ya-Chun Chen, Yuh-Lien Chen
Flap necrosis is the most frequent postoperative complication encountered in reconstructive surgery. We elucidated whether adipose-derived stem cells (ADSCs) and their derivatives might induce neovascularization and protect skin flaps during ischemia/reperfusion (I/R) injury. Flaps were subjected to 3 h of ischemia by ligating long thoracic vessels and then to blood reperfusion. Q-tracker-labeled ADSCs, conditioned media (ADSC-CM), or exosomes (ADSC-Exo) were injected into the flaps. These treatments led to significantly increase flap survival and capillary density compared to I/R on postoperative day 5...
February 2, 2017: Journal of Investigative Dermatology
https://www.readbyqxmd.com/read/28162164/-repair-mechanisms-of-the-wounds-with-exposed-bone-structures-using-an-artificial-dermis
#20
X Chen, C Wang, C Zhang, X Huang, H S Cao
Objective: To investigate the repair mechanisms of the wounds with bone exposed by artificial dermis transplantation. Methods: Seventy two rabbits were randomly divided into 3 groups of 24 rabbits, the wound model was made on the top of head. In the skin defect group (SD group), skin was removed and skull periosteum was retained. In the periosteal defect group (PD group), the skin and skull periosteum were both removed, and the skull was exposed. In the skull burn group (SB group), after the periosteum was removed, the exposed skull bone was burned out with electric iron to cause skull surface necrosis, then the artificial dermis transplantation were performed in each group...
January 24, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
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