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bone marrow in scar treatment

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https://www.readbyqxmd.com/read/29777577/autologous-bone-marrow-mesenchymal-stem-cells-improve-the-quality-and-stability-of-vascularized-flap-surgery-of-irradiated-skin-in-pigs
#1
Christine Linard, Michel Brachet, Carine Strup-Perrot, Bruno L'homme, Elodie Busson, Claire Squiban, Valerie Holler, Michel Bonneau, Jean-Jacques Lataillade, Eric Bey, Marc Benderitter
Cutaneous radiation syndrome has severe long-term health consequences. Because it causes an unpredictable course of inflammatory waves, conventional surgical treatment is ineffective and often leads to a fibronecrotic process. Data about the long-term stability of healed wounds, with neither inflammation nor resumption of fibrosis, are lacking. In this study, we investigated the effect of injections of local autologous bone marrow-derived mesenchymal stromal cells (BM-MSCs), combined with plastic surgery for skin necrosis, in a large-animal model...
May 18, 2018: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/29736604/selective-inhibition-of-receptor-activator-of-nf-%C3%AE%C2%BAb-ligand-rankl-in-hematopoietic-cells-improves-outcome-after-experimental-myocardial-infarction
#2
Svetlana Slavic, Olena Andrukhova, Kristopher Ford, Stephan Handschuh, Nejla Latic, Ursula Reichart, Soleman Sasgary, Claudia Bergow, Lorenz C Hofbauer, Paul J Kostenuik, Reinhold G Erben
The RANK (receptor activator of nuclear factor κB)/RANKL (RANK ligand)/OPG (osteoprotegerin) axis is activated after myocardial infarction (MI), but its pathophysiological role is not well understood. Here, we investigated how global and cell compartment-selective inhibition of RANKL affects cardiac function and remodeling after MI in mice. Global RANKL inhibition was achieved by treatment of human RANKL knock-in (huRANKL-KI) mice with the monoclonal antibody AMG161. huRANKL-KI mice express a chimeric RANKL protein wherein part of the RANKL molecule is humanized...
May 8, 2018: Journal of Molecular Medicine: Official Organ of the "Gesellschaft Deutscher Naturforscher und Ärzte"
https://www.readbyqxmd.com/read/29734249/endoglin-is-highly-expressed-in-human-mast-cells
#3
Suéllen Trentin Brum, Ana Paula Demasi, Rafael Fantelli Stelini, Maria Letícia Cintra, Vera Cavalcanti de Araujo, Andresa Borges Soares
Endoglin, known to be expressed in proliferating vessels, is of worth when evaluating microvessel density as a prognostic factor in many types of malignancies, including some subtypes of leukemia cells. In childhood acute lymphoblastic leukemia, endoglin is associated with adverse outcome. In bone marrow, endoglin identifies the repopulating hematopoietic stem cells. Mast cells are a component of normal tissue and play an important role in the regulation of several processes, including inflammation and neoplasia...
May 4, 2018: Applied Immunohistochemistry & Molecular Morphology: AIMM
https://www.readbyqxmd.com/read/29703749/rationale-and-design-of-the-concert-hf-combination-of-mesenchymal-and-c-kit-cardiac-stem-cells-as-regenerative-therapy-for-heart-failure-trial
#4
Roberto Bolli, Joshua M Hare, Keith L March, Carl J Pepine, James T Willerson, Emerson C Perin, Phillip C Yang, Timothy D Henry, Jay H Traverse, Raul D Mitrani, Aisha Khan, Ivonne H Schulman, Doris A Taylor, Darcy L DiFede, João A Lima, Atul R Chugh, John Loughran, Rachel W Vojvodic, Shelly L Sayre, Judy Bettencourt, Michelle Cohen, Lem Moyé, Ray F Ebert, Robert D Simari
<u>Rationale:</u> Autologous bone marrow (BM) mesenchymal stem cells (MSCs) and c-kit+ cardiac progenitor cells (CPCs) are two promising cell types being evaluated for patients with heart failure (HF) secondary to ischemic cardiomyopathy. No information is available in humans regarding the relative efficacy of MSCs and CPCs and whether their combination is more efficacious than either cell type alone. <u>Objective:</u> CONCERT-HF (Combination Of meseNchymal and c-kit+ Cardiac stEm cells as Regenerative Therapy for Heart Failure) is a Phase II trial aimed at elucidating these issues by assessing the feasibility, safety, and efficacy of transendocardial administration of autologous MSCs and CPCs, alone and in combination, in patients with HF caused by chronic ischemic cardiomyopathy (coronary artery disease and old myocardial infarction)...
April 27, 2018: Circulation Research
https://www.readbyqxmd.com/read/29458076/bone-marrow-mesenchymal-stem-cells-bmscs-improved-functional-recovery-of-spinal-cord-injury-partly-by-promoting-axonal-regeneration
#5
REVIEW
Liya Lin, Hefeng Lin, Shi Bai, Lianshun Zheng, Xiaoming Zhang
Spinal cord injury (SCI) disrupts the spinal cord and results in the loss of sensory and motor function below the lesion site. The treatment of SCI became a challenge because the injured neurons fail to axon regenerate and repair after injury. Promoting axonal regeneration plays a key role in the treatment strategies for SCI. It would meet the goal of reconstruction the injured spinal cord and improving the functional recovery. Bone marrow mesenchymal stem cells (BMSCs) are attractive therapeutic potential cell sources for SCI, and it could rebuild the injured spinal cord through neuroprotection, neural regeneration and remyelinating...
May 2018: Neurochemistry International
https://www.readbyqxmd.com/read/29404863/in-vitro-evidence-that-platelet-rich-plasma-stimulates-cellular-processes-involved-in-endometrial-regeneration
#6
Lusine Aghajanova, Sahar Houshdaran, Shaina Balayan, Evelina Manvelyan, Juan C Irwin, Heather G Huddleston, Linda C Giudice
PURPOSE: The study aims to test the hypothesis that platelet-rich plasma (PRP) stimulates cellular processes involved in endometrial regeneration relevant to clinical management of poor endometrial growth or intrauterine scarring. METHODS: Human endometrial stromal fibroblasts (eSF), endometrial mesenchymal stem cells (eMSC), bone marrow-derived mesenchymal stem cells (BM-MSC), and Ishikawa endometrial adenocarcinoma cells (IC) were cultured with/without 5% activated (a) PRP, non-activated (na) PRP, aPPP (platelet-poor-plasma), and naPPP...
February 5, 2018: Journal of Assisted Reproduction and Genetics
https://www.readbyqxmd.com/read/29344492/bilateral-hypopyon-uveitis-in-chronic-myeloid-leukemia
#7
Mudit Tyagi, Vishal Govindhari, Rajeev R Pappuru, Vikas Ambiya
Background: A leukemic hypopyon is considered an early sign of central nervous system involvement or systemic relapse. A differential diagnosis of masquerade syndromes should be considered in cases of hypopyon uveitis that are atypical or unresponsive to treatment. We report a case of a 45-year-old man who presented with bilateral hypopyon uveitis and was subsequently diagnosed as having chronic myeloid leukemia. Method: Retrospective case review. Results: A 45-year-old diabetic male presented with diminished vision in both eyes for 10 days...
December 2017: Ocular Oncology and Pathology
https://www.readbyqxmd.com/read/29341932/synthetic-extracellular-matrix-mimic-hydrogel-improves-efficacy-of-mesenchymal-stromal-cell-therapy-for-ischemic-cardiomyopathy
#8
Maria Chiara Ciuffreda, Giuseppe Malpasso, Cindy Chokoza, Deon Bezuidenhout, Kyle P Goetsch, Manuela Mura, Federica Pisano, Neil H Davies, Massimiliano Gnecchi
BACKGROUND: Mesenchymal stromal cells (MSC) repair infarcted hearts mainly through paracrine mechanisms. Low cell engraftment limits the release of soluble paracrine factors (SF) over time and, consequently, MSC efficacy. We tested whether a synthetic extracellular matrix mimic, a hydrogel containing heparin (H-HG), could ameliorate MSC engraftment and binding/release of SF, thus improving MSC therapy efficacy. METHODS AND RESULTS: In vitro, rat bone-marrow MSC (rBM-MSC) were seeded and grown into H-HG...
January 13, 2018: Acta Biomaterialia
https://www.readbyqxmd.com/read/29142785/role-of-cord-blood-and-bone-marrow-mesenchymal-stem-cells-in-recent-deep-burn-a-case-control-prospective-study
#9
Wael Abo-Elkheir, Fawzy Hamza, Ahmed M Elmofty, Atef Emam, Magdy Abdl-Moktader, Sameh Elsherefy, Hala Gabr
RATIONALE: Burn injuries represent one of the major worldwide public health problems causing more severe physiological stress than other traumas. Effective treatment of burn injuries is mandatory to prevent the numerous life-threatening complications and possible disabilities. Stem cells, a population of multipotent cells retaining the properties of self-renewal and differentiation, are the main player in tissue regeneration after major trauma. Thus, they are thought to play a key role in wound healing inducing efficient and physiological skin regeneration...
2017: American Journal of Stem Cells
https://www.readbyqxmd.com/read/29141446/myocardial-reparative-functions-of-exosomes-from-mesenchymal-stem-cells-are-enhanced-by-hypoxia-treatment-of-the-cells-via-transferring-microrna-210-in-an-nsmase2-dependent-way
#10
Jinyun Zhu, Kai Lu, Ning Zhang, Yun Zhao, Qunchao Ma, Jian Shen, Yinuo Lin, Pingping Xiang, Yaoliang Tang, Xinyang Hu, Jinghai Chen, Wei Zhu, Keith A Webster, Jian'an Wang, Hong Yu
Hypoxia treatment enhances paracrine effect of mesenchymal stem cells (MSCs). The aim of this study was to investigate whether exosomes from hypoxia-treated MSCs (ExoH ) are superior to those from normoxia-treated MSCs (ExoN ) for myocardial repair. Mouse bone marrow-derived MSCs were cultured under hypoxia or normoxia for 24 h, and exosomes from conditioned media were intramyocardially injected into infarcted heart of C57BL/6 mouse. ExoH resulted in significantly higher survival, smaller scar size and better cardiac functions recovery...
November 16, 2017: Artificial Cells, Nanomedicine, and Biotechnology
https://www.readbyqxmd.com/read/28946782/marrow-compartment-contribution-to-cortical-defect-healing
#11
Magnus Bernhardsson, Love Tätting, Olof Sandberg, Jörg Schilcher, Per Aspenberg
Background and purpose - Healing of shaft fractures is commonly described as regards external callus. We wanted to clarify the role of the bone marrow compartment in the healing of stable shaft fractures. Patients and methods - A longitudinal furrow was milled along the longitudinal axis of the femoral shaft in mice. The exposed bone marrow under the furrow was scooped out. The mice were then randomized to no further treatment, or to receiving 2 silicone plugs in the medullary canal distal and proximal to the defect...
February 2018: Acta Orthopaedica
https://www.readbyqxmd.com/read/28931551/emc10-endoplasmic-reticulum-membrane-protein-complex-subunit-10-is-a-bone-marrow-derived-angiogenic-growth-factor-promoting-tissue-repair-after-myocardial-infarction
#12
Marc R Reboll, Mortimer Korf-Klingebiel, Stefanie Klede, Felix Polten, Eva Brinkmann, Ines Reimann, Hans-Joachim Schönfeld, Maria Bobadilla, Jan Faix, George Kensah, Ina Gruh, Michael Klintschar, Matthias Gaestel, Hans W Niessen, Andreas Pich, Johann Bauersachs, Joseph A Gogos, Yong Wang, Kai C Wollert
BACKGROUND: Clinical trials of bone marrow cell-based therapies after acute myocardial infarction (MI) have produced mostly neutral results. Treatment with specific bone marrow cell-derived secreted proteins may provide an alternative biological approach to improving tissue repair and heart function after MI. We recently performed a bioinformatic secretome analysis in bone marrow cells from patients with acute MI and discovered a poorly characterized secreted protein, EMC10 (endoplasmic reticulum membrane protein complex subunit 10), showing activity in an angiogenic screen...
November 7, 2017: Circulation
https://www.readbyqxmd.com/read/28923793/dose-comparison-study-of-allogeneic-mesenchymal-stem-cells-in-patients-with-ischemic-cardiomyopathy-the-trident-study
#13
RANDOMIZED CONTROLLED TRIAL
Victoria Florea, Angela C Rieger, Darcy L DiFede, Jill El-Khorazaty, Makoto Natsumeda, Monisha N Banerjee, Bryon A Tompkins, Aisha Khan, Ivonne H Schulman, Ana Marie Landin, Muzammil Mushtaq, Samuel Golpanian, Maureen H Lowery, John J Byrnes, Robert C Hendel, Mauricio G Cohen, Krystalenia Valasaki, Marietsy V Pujol, Eduard Ghersin, Roberto Miki, Cindy Delgado, Fouad Abuzeid, Mayra Vidro-Casiano, Russell G Saltzman, Daniel DaFonseca, Lina V Caceres, Kevin N Ramdas, Adam Mendizabal, Alan W Heldman, Raul D Mitrani, Joshua M Hare
RATIONALE: Cell dose and concentration play crucial roles in phenotypic responses to cell-based therapy for heart failure. OBJECTIVE: To compare the safety and efficacy of 2 doses of allogeneic bone marrow-derived human mesenchymal stem cells identically delivered in patients with ischemic cardiomyopathy. METHODS AND RESULTS: Thirty patients with ischemic cardiomyopathy received in a blinded manner either 20 million (n=15) or 100 million (n=15) allogeneic human mesenchymal stem cells via transendocardial injection (0...
November 10, 2017: Circulation Research
https://www.readbyqxmd.com/read/28901182/effects-of-bone-marrow-derived-msc-transplantation-on-functional-recovery-in-a-rat-model-of-spinal-cord-injury-comparisons-of-transplant-locations-and-cell-concentrations
#14
Jessica J Matyas, Andrew N Stewart, Alison Goldsmith, Zhenhong Nan, Reid L Skeel, Julien Rossignol, Gary L Dunbar
Spinal cord injury (SCI) is a widely disabling condition, constraining those affected by it to wheelchairs and requiring intense daily care and assistance. Cell replacement therapies, targeting regeneration of cells in the injured cord, are currently gaining momentum in the field of SCI research. Previous studies indicate that mesenchymal stem cells (MSCs) can reduce functional deficits through immunomodulation and production of trophic factors in a variety of neurological disorders. The present study assessed the efficacy of transplanted bone marrow-derived MSCs at different concentrations and locations for promoting functional recovery following SCI...
August 2017: Cell Transplantation
https://www.readbyqxmd.com/read/28871936/xanthoma-like-skin-changes-in-an-elderly-woman-with-a-normal-lipid-profile
#15
Piotr Nockowski, Zdzisław Woźniak, Adam Reich, Joanna Maj
Dear Editor, An 83-year-old woman developed yellow-brownish infiltrates, nodules, and tumors mimicking xanthomas, mostly involving the periorbital and chest area within three months (Figure 1). She had no abnormalities in serum cholesterol or triglycerides levels. A detailed laboratory analysis revealed the presence of mild monoclonal gammopathy with a presence of immunoglobulin G (IgG) kappa light chains; however, according to hematologist consultation, it did not require medical intervention. Imaging assessment and ultrasound examination did not show any specific involvement of internal organs...
July 2017: Acta Dermatovenerologica Croatica: ADC
https://www.readbyqxmd.com/read/28701922/bone-marrow-mesenchymal-stem-cell-transplantation-promotes-functional-improvement-associated-with-cntf-stat3-activation-after-hemi-sectioned-spinal-cord-injury-in-tree-shrews
#16
Liu-Lin Xiong, Fei Liu, Bing-Tuan Lu, Wen-Ling Zhao, Xiu-Juan Dong, Jia Liu, Rong-Ping Zhang, Piao Zhang, Ting-Hua Wang
Hemi-sectioned spinal cord injury (hSCI) can lead to spastic paralysis on the injured side, as well as flaccid paralysis on the contralateral side, which can negatively affect a patient's daily life. Stem-cell therapy may offer an effective treatment option for individuals with hSCI. To examine the role of bone marrow mesenchymal stem cells (BMSCs) transplantation on hSCI and explore related mechanisms in the tree shrews, here, we created a model of hSCI by inducing injury at the tenth thoracic vertebra (T10)...
2017: Frontiers in Cellular Neuroscience
https://www.readbyqxmd.com/read/28690072/identity-of-gli1-cells-in-the-bone-marrow
#17
REVIEW
Isadora F G Sena, Pedro H D M Prazeres, Gabryella S P Santos, Isabella T Borges, Patrick O Azevedo, Julia P Andreotti, Viviani M Almeida, Ana E Paiva, Daniel A P Guerra, Luiza Lousado, Luanny Souto, Akiva Mintz, Alexander Birbrair
Bone marrow fibrosis is a critical component of primary myelofibrosis in which normal bone marrow tissue and blood-forming cells are gradually replaced with scar tissue. The specific cellular and molecular mechanisms that cause bone marrow fibrosis are not understood. A recent study using state-of-the-art techniques, including in vivo lineage tracing, provides evidence that Gli1+ cells are the cells responsible for fibrotic disease in the bone marrow. Strikingly, genetic depletion of Gli1+ cells rescues bone marrow failure and abolishes myelofibrosis...
October 2017: Experimental Hematology
https://www.readbyqxmd.com/read/28689790/cell-therapy-and-vocal-fold-scarring
#18
A Mattei, J Magalon, B Bertrand, C Philandrianos, J Veran, A Giovanni
Vocal fold microstructure is complex and can be affected by laryngeal microsurgery, inducing scarring that prevents mechanical uncoupling of epithelium and muscle, leading to vibration disorder and disabling dysphonia. Treatment options presently are few, and often without efficacy for vibration, having only an impact on volume to reduce glottal closure defect. The present review of the literature had two aims: (i) to report the current state of the literature on cell therapy in vocal fold scarring; and (ii) to analyze the therapeutic interest of the adipose-derived stromal vascular fraction in the existing therapeutic armamentarium...
October 2017: European Annals of Otorhinolaryngology, Head and Neck Diseases
https://www.readbyqxmd.com/read/28681086/effect-of-low-level-laser-treated-mesenchymal-stem-cells-on-myocardial-infarction
#19
REVIEW
Zaynab H El Gammal, Amr M Zaher, Nagwa El-Badri
Cardiovascular disease is the leading cause of death worldwide. Although cardiac transplantation is considered the most effective therapy for end-stage cardiac diseases, it is limited by the availability of matching donors and the complications of the immune suppressive regimen used to prevent graft rejection. Application of stem cell therapy in experimental animal models was shown to reverse cardiac remodeling, attenuate cardiac fibrosis, improve heart functions, and stimulate angiogenesis. The efficacy of stem cell therapy can be amplified by low-level laser radiation...
September 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28447572/effects-of-bone-marrow-derived-msc-transplantation-on-functional-recovery-in-a-rat-model-of-spinal-cord-injury-comparisons-of-transplant-locations-and-cell-concentrations
#20
Jessica J Matyas, Andrew N Stewart, Allison Goldsmith, Zhenhong Nan, Reid L Skeel, Julien Rossignol, Gary L Dunbar
Spinal cord injury (SCI) is a widely disabling condition, constraining those affected by it to wheelchairs and requiring intense daily care and assistance. Cell replacement therapies, targeting regeneration of cells in the injured cord, are currently gaining momentum in the field of SCI research. Previous studies indicate that mesenchymal stem cells (MSCs) can reduce functional deficits through immunomodulation and production of trophic factors in a variety of neurological disorders. The present study assessed the efficacy of transplanted bone marrow-derived MSCs at different concentrations and locations for promoting functional recovery following SCI...
April 26, 2017: Cell Transplantation
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