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https://www.readbyqxmd.com/read/28812936/investigation-of-goldmann-perimetry-in-evaluation-of-patients-for-upper-eyelid-blepharoplasty
#1
John D Pemberton, Michael Salter, Aaron Fay, Bradley Thuro, Horace Spencer, Omar Dajani
PURPOSE: To determine if preoperative Goldmann Visual Field (GVF) testing in patients with functional dermatochalasis accurately depicts the postoperative superior visual field (SVF) outcome. METHODS: A prospective cohort study was done to compare preoperative and postoperative GVF field tests in patients undergoing upper eyelid blepharoplasty for treatment of dermatochalasis. This study was conducted in accordance with the Declaration of Helsinki and approved by the University of Arkansas for Medical Sciences institutional review board...
August 16, 2017: Orbit
https://www.readbyqxmd.com/read/28801931/immunomodulatory-effects-of-adipose-stromal-vascular-fraction-cells-promote-alternative-activation-macrophages-to-repair-tissue-damage
#2
Annie C Bowles, Rachel M Wise, Brittany Y Gerstein, Robert C Thomas, Roberto Ogelman, Isabella Febbo, Bruce A Bunnell
The pathogenesis of many diseases is driven by the interactions between helper T (TH ) cells and macrophages. The phenotypes of these cells are a functional dichotomy that are persuaded according to the surrounding milieu. In both multiple sclerosis (MS) and the experimental autoimmune encephalomyelitis (EAE) model, TH 1 and TH 17 cells propagate autoimmune signaling and inflammation in the peripheral lymphoid tissues. In turn, this pro-inflammatory repertoire promotes the classical activation, formerly the M1-type, macrophages...
August 12, 2017: Stem Cells
https://www.readbyqxmd.com/read/28800775/lack-of-high-bmi-related-features-in-adipocytes-and-inflammatory-cells-in-the-infrapatellar-fat-pad-ifp
#3
Anja J de Jong, Inge R Klein-Wieringa, Stefan N Andersen, Joanneke C Kwekkeboom, Linda Herb-van Toorn, Badelog J E de Lange-Brokaar, Danny van Delft, John Garcia, Wu Wei, Huub J L van der Heide, Yvonne M Bastiaansen-Jenniskens, Gerjo J V M van Osch, Annemarie M Zuurmond, Vedrana Stojanovic-Susulic, Rob G H H Nelissen, René E M Toes, Margreet Kloppenburg, Andreea Ioan-Facsinay
BACKGROUND: Obesity is associated with the development and progression of osteoarthritis (OA). Although the infrapatellar fat pad (IFP) could be involved in this association, due to its intracapsular localization in the knee joint, there is currently little known about the effect of obesity on the IFP. Therefore, we investigated cellular and molecular body mass index (BMI)-related features in the IFP of OA patients. METHODS: Patients with knee OA (N = 155, 68% women, mean age 65 years, mean (SD) BMI 29...
August 11, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28781950/role-of-the-tgf-%C3%AE-pathway-in-dedifferentiation-of-human-mature-adipocytes
#4
Julie Anne Côté, Julie Lessard, Mélissa Pelletier, Simon Marceau, Odette Lescelleur, Julie Fradette, André Tchernof
Dedifferentiation of adipocytes contributes to the generation of a proliferative cell population that could be useful in cellular therapy or tissue engineering. Adipocytes can dedifferentiate into precursor cells to acquire a fibroblast-like phenotype using ceiling culture, in which the buoyancy of fat cells is exploited to allow them to adhere to the inner surface of a container. Ceiling culture is usually performed in flasks, which limits the ability to test various culture conditions. Using a new six-well plate ceiling culture approach, we examined the relevance of TGF-β signaling during dedifferentiation...
August 2017: FEBS Open Bio
https://www.readbyqxmd.com/read/28769981/human-suprapatellar-fat-pad-derived-mesenchymal-stem-cells-induce-chondrogenesis-and-cartilage-repair-in-a-model-of-severe-osteoarthritis
#5
Ignacio Muñoz-Criado, Jose Meseguer-Ripolles, Maravillas Mellado-López, Ana Alastrue-Agudo, Richard J Griffeth, Jerónimo Forteza-Vila, Ramón Cugat, Montserrat García, Victoria Moreno-Manzano
Cartilage degeneration is associated with degenerative bone and joint processes in severe osteoarthritis (OA). Spontaneous cartilage regeneration is extremely limited. Often the treatment consists of a partial or complete joint implant. Adipose-derived stem cell (ASC) transplantation has been shown to restore degenerated cartilage; however, regenerative differences of ASC would depend on the source of adipose tissue. The infra- and suprapatellar fat pads surrounding the knee offer a potential autologous source of ASC for patients after complete joint substitution...
2017: Stem Cells International
https://www.readbyqxmd.com/read/28750144/therapy-of-ulcus-cruris-of-venous-and-mixed-venous-arterial-origin-with-autologous-adult-native-progenitor-cells-from-subcutaneous-adipose-tissue-a-prospective-clinical-pilot-study
#6
A Konstantinow, A Arnold, K Djabali, W Kempf, J Gutermuth, T Fischer, T Biedermann
BACKGROUND: The stromal vascular fraction (SVF) of adipose tissue consists of cellular subpopulations with distinct regenerative potential. OBJECTIVE: To investigate the regenerative capacities of autologous SVF cells in the treatment of chronic leg ulcers of venous (VLU) and arterial-venous (AVLU) origin. METHODS: Multimorbid ulcer patients received a singular topical treatment with 9-15x10(6) SVF cells, separated from abdominal lipoaspirates by digestion with collagenase and dispase and applied immediately after isolation...
July 27, 2017: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/28745327/seminal-vesicle-fluid-increases-the-efficacy-of-intravaginal-hsv-2-vaccination
#7
A Varese, F Remes Lenicov, M Gonzalez Prinz, A Paletta, G Ernst, C Maeto, A Merlotti, J Sabatte, S Símula, M P Holgado, E Dantas, J Geffner, A Ceballos
Once considered merely as a vehicle for spermatozoa, it is now clear that seminal plasma (SP) induces a variety of biological actions on the female reproductive tissues able to modulate the immune response against paternal antigens. To our knowledge, the influence of SP on the immune response against sexually transmitted pathogens has not been yet evaluated. We here analyzed whether the seminal vesicle fluid (SVF), which contributes almost 60% of the SP volume in mice, could modulate the immune response against herpes simplex virus type 2 (HSV-2)...
July 26, 2017: Mucosal Immunology
https://www.readbyqxmd.com/read/28740409/hair-follicle-growth-by-stromal-vascular-fraction-enhanced-adipose-transplantation-in-baldness
#8
David Perez-Meza, Craig Ziering, Marcos Sforza, Ganesh Krishnan, Edward Ball, Eric Daniels
Great interest remains in finding new and emerging therapies for the treatment of male and female pattern hair loss. The autologous fat grafting technique is >100 years old, with a recent and dramatic increase in clinical experience over the past 10-15 years. Recently, in 2001, Zuk et al published the presence of adipose-derived stem cells, and abundant research has shown that adipose is a complex, biological active, and important tissue. Festa et al, in 2011, reported that adipocyte lineage cells support the stem cell niche and help drive the complex hair growth cycle...
2017: Stem Cells and Cloning: Advances and Applications
https://www.readbyqxmd.com/read/28737557/human-and-autologous-adipose-derived-stromal-cells-increase-flap-survival-in-rats-independently-of-host-immune-response
#9
Navid Mohamadpour Toyserkani, Charlotte Harken Jensen, Ditte Caroline Andersen, Søren Paludan Sheikh, Jens Ahm Sørensen
INTRODUCTION: There is a rising interest in adipose-derived stromal cells for clinical use; however, it is unknown whether freshly isolated stromal cells (SVF) or culture-expanded cells (ASCs) are more efficacious. We therefore aimed to compare the 2 cellular therapies in an in vivo model of angiogenesis, the ischemic flap in rats, which induces acute ischemia. We also aimed to determine the importance of cell presence and the host immune response. METHODS: A total of 96 rats (n = 12 in each group) were used, and in each rat, a caudally based random flap measuring 2 × 7 cm was made...
July 22, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28734678/improvement-of-adipose-tissue-derived-cells-by-low-energy-extracorporeal-shock-wave-therapy
#10
Eleni Priglinger, Christina M A P Schuh, Carolin Steffenhagen, Christoph Wurzer, Julia Maier, Sylvia Nuernberger, Wolfgang Holnthoner, Christiane Fuchs, Susanne Suessner, Dominik Rünzler, Heinz Redl, Susanne Wolbank
BACKGROUND: Cell-based therapies with autologous adipose tissue-derived cells have shown great potential in several clinical studies in the last decades. The majority of these studies have been using the stromal vascular fraction (SVF), a heterogeneous mixture of fibroblasts, lymphocytes, monocytes/macrophages, endothelial cells, endothelial progenitor cells, pericytes and adipose-derived stromal/stem cells (ASC) among others. Although possible clinical applications of autologous adipose tissue-derived cells are manifold, they are limited by insufficient uniformity in cell identity and regenerative potency...
July 19, 2017: Cytotherapy
https://www.readbyqxmd.com/read/28725319/autologous-stromal-vascular-fraction-in-the-intravenous-treatment-of-end-stage-chronic-obstructive-pulmonary-disease-a-phase-i-trial-of-safety-and-tolerability
#11
Kristin Comella, Jesus A Perez Blas, Tom Ichim, Javier Lopez, Jose Limon, Ruben Corral Moreno
BACKGROUND: Chronic obstructive pulmonary disease (COPD) is a consistently progressive, ultimately fatal disease for which no treatment exists capable of either reversing or even interrupting its course. It afflicts more than 5% of the population in many countries, and it accordingly represents the third most frequent cause of death in the US, where it accounts for more than 600 billion in health care costs, morbidity, and mortality. Adipose tissue contains within its stromal compartment a high abundance of adipose stem/stromal cells (ASCs), which can be readily separated from the adipocyte population by methods which require less than 2 h of processing time and yield a concentrated cellular preparation termed the stromal vascular fraction (SVF)...
August 2017: Journal of Clinical Medicine Research
https://www.readbyqxmd.com/read/28691373/stromal-vascular-fraction-loaded-silk-fibroin-mats-effectively-support-the-survival-of-diabetic-mice-after-pancreatic-islet-transplantation
#12
Sara Perteghella, Barbara Vigani, Luca Mastracci, Federica Grillo, Barbara Antonioli, Marta Galuzzi, Marta Cecilia Tosca, Barbara Crivelli, Stefania Preda, Giuseppe Tripodo, Mario Marazzi, Theodora Chlapanidas, Maria Luisa Torre
The aim of this study is to assess whether stromal vascular fraction (SVF)-soaked silk fibroin nonwoven mats (silk-SVF) can preserve the functionality of encapsulated pancreatic endocrine cells (alginate-PECs) after transplantation in the subcutaneous tissue of diabetic mice. Silk scaffolds are selected to create an effective 3D microenvironment for SVF delivery in the subcutaneous tissue before diabetes induction: silk-SVF is subcutaneously implanted in the dorsal area of five healthy animals; after 15 d, mice are treated with streptozotocin to induce diabetes and then alginate-PECs are implanted on the silk-SVF...
July 10, 2017: Macromolecular Bioscience
https://www.readbyqxmd.com/read/28690531/stem-cells-in-the-treatment-of-refractory-chronic-migraines
#13
Alexander Mauskop, Kenneth O Rothaus
BACKGROUND: Autologous adipose-derived stromal vascular fraction (SVF), which is rich in mesenchymal stromal cells, has been reported to be effective for the treatment of trigeminal neuropathic pain and chronic migraine and tension-type headaches. It is possible that stem cell activity targets neurogenic inflammation, which is a well-documented aspect of migraine pathogenesis. METHODS: Adult patients with severe migraine-related disability as measured by the Migraine Disability Assessment (MIDAS) score who failed botulinum toxin injections and at least 3 prophylactic drugs were included in this study...
May 2017: Case Reports in Neurology
https://www.readbyqxmd.com/read/28687617/proinflammatory-cxcl12-cxcr4-cxcr7-signaling-axis-drives-myc-induced-prostate-cancer-in-obese-mice
#14
Achinto Saha, Songyeon Ahn, Jorge Blando, Fei Su, Mikhail G Kolonin, John DiGiovanni
Obesity is a prognostic risk factor in the progression of prostate cancer (PCa), however, the molecular mechanisms involved are unclear. In this study, we provide preclinical proof of concept for the role of a pro-inflammatory CXCL12-CXCR4/CXCR7 signaling axis in an obesity-driven mouse model of HiMyc prostate cancer. Analysis of the stromal vascular fraction (SVF) from periprostatic white adipose tissue (ppWAT) from obese HiMyc mice at 6 months of age revealed a dramatic increase in mRNAs encoding various chemokines, cytokines, growth factors and angiogenesis mediators, with CXCL12 among the most significantly upregulated genes...
July 7, 2017: Cancer Research
https://www.readbyqxmd.com/read/28683667/early-immunomodulatory-effects-of-implanted-human-perivascular-stromal-cells-during-bone-formation
#15
Carolyn A Meyers, Jiajia Xu, Lei Zhang, Greg Asatrian, Catherine Ding, Noah Yan, Kristen Broderick, Justin Sacks, Raghav Goyal, Xinli Zhang, Kang Ting, Bruno Péault, Chia Soo, Aaron W James
Human perivascular stem/stromal cells (PSC) are a multipotent mesodermal progenitor cell population defined by their perivascular residence. PSC are most commonly derived from subcutaneous adipose tissue, and recent studies have demonstrated the high potential for clinical translation of this fluorescence activated cell sorting (FACS) derived cell population for bone tissue engineering. Specifically, purified PSC induce greater bone formation than unpurified stroma taken from the same patient sample. Here, we examined the differences in early innate immune response to human PSC or unpurified stroma (stromal vascular fraction, SVF) during the in vivo process of bone formation...
July 6, 2017: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/28671889/cell-based-soft-tissue-reconstruction-in-a-hydrogel-scaffold
#16
Charles P Blackshear, John S Flacco, Stephanie M Vistnes, Natalie N Chung, Dre Irizarry, Elizabeth A Brett, Derek J Yen, Arash Momeni, Michael T Longaker, Derrick C Wan
BACKGROUND: Renevia is a hyaluronin-gelatin crosslinked matrix scaffold that has been studied as an alternative to adipose transfer in soft tissue reconstruction. It is designed to emulate the native extracellular matrix environment by supporting stromal vascular fraction (SVF) cell attachment, survival, and proliferation, thus promoting cell-based volume restoration. However, the concentration of incorporated cells for a clinically relevant result has yet to be determined. METHODS: Five experimental groups of seven CD-1 nude immunodeficient mice were given 250 μL grafts of the following composition: 1 million human SVF cells per mL of Renevia scaffold, 6 million human SVF cells per mL scaffold, 12 million human SVF cells per mL scaffold, Renevia scaffold-alone or human adipose tissue-alone...
June 1, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28670447/short-term-hypoxic-preconditioning-promotes-prevascularization-in-3d-bioprinted-bone-constructs-with-stromal-vascular-fraction-derived-cells
#17
Mitchell A Kuss, Robert Harms, Shaohua Wu, Ying Wang, Jason B Untrauer, Mark A Carlson, Bin Duan
Reconstruction of complex, craniofacial bone defects often requires autogenous vascularized bone grafts, and still remains a challenge today. In order to address this issue, we isolated the stromal vascular fraction (SVF) from adipose tissues and maintained the phenotypes and the growth of endothelial lineage cells within SVF derived cells (SVFC) by incorporating an endothelial cell medium. We 3D bioprinted SVFC within our hydrogel bioinks and conditioned the constructs in either normoxia or hypoxia. We found that short-term hypoxic conditioning promoted vascularization-related gene expression, whereas long-term hypoxia impaired cell viability and vascularization...
June 5, 2017: RSC Advances
https://www.readbyqxmd.com/read/28665236/formation-of-adipose-stromal-vascular-fraction-cell-laden-spheroids-using-a-3d-bioprinter-and-superhydrophobic-surfaces
#18
Brian Gettler, Joseph Zakhari, Piyani Gandhi, Stuart K Williams
The therapeutic infusion of adipose-derived stromal vascular fraction cells (SVF) for the treatment of multiple diseases, has progressed to numerous human clinical trials; however, the often poor retention of the cells following implantation remains a common drawback of direct cell injection. One solution to cellular retention at the injection site has been the use of biogels to encapsulate cells within a microenvironment prior to and upon implantation. The current study utilized 3D bioprinting technology to evaluate the ability to form SVF laden spheroids with collagen I as a gel forming biomatrix...
June 30, 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28657470/point-of-care-adipose-derived-stromal-vascular-fraction-cell-isolation-and-expanded-polytetrafluoroethylene-graft-sodding
#19
Stuart K Williams, Marvin E Morris, Paul E Kosnik, Kevin D Lye, Gary D Gentzkow, Charles B Ross, Amit J Dwevidi, Leigh B Kleinert
Adipose-derived stromal vascular fraction (SVF) cell populations are being evaluated for numerous clinical applications. The current study evaluated a point-of-care technology, the Tissue Genesis "TGI 1000" Cell Isolation System™, to perform an automated isolation of adipose-derived SVF cells to be used in the fabrication of a tissue-engineered vascular graft in the operating room. A total of seven patients were enrolled in this study and received femoral to tibial expanded polytetrafluoroethylene bypass grafts to treat peripheral arterial disease...
August 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28651075/modulation-of-natriuretic-peptide-receptors-in-human-adipose-tissue-molecular-mechanisms-behind-the-natriuretic-handicap-in-morbidly-obese-patients
#20
Alessandra Gentili, Maria Rosaria Frangione, Elisa Albini, Carmine Vacca, Maria Anastasia Ricci, Stefano De Vuono, Marcello Boni, Fabio Rondelli, Luciana Rotelli, Graziana Lupattelli, Ciriana Orabona
The B-type natriuretic peptide (BNP) hormone plays a crucial role in the regulation of cardiovascular and energy homeostasis. Obesity is associated with low circulating levels of BNP, a condition known as "natriuretic handicap." Recent evidences suggest an altered expression of BNP receptors-both the signaling natriuretic peptide receptors (NPR)-A and the clearance NPR-C receptor-in adipose tissue (AT) as one of the putative causes of natriuretic handicap. The current study aims at clarifying the molecular mechanisms behind the natriuretic handicap, focusing on NPR modulation in the AT of obese and control subjects...
June 10, 2017: Translational Research: the Journal of Laboratory and Clinical Medicine
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