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Littérature scientifique sur le sujet « Mesenchimali »
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Articles de revues sur le sujet "Mesenchimali"
Albisetti, W., L. Pedretti, M. Meda, O. De Bartolomeo, A. Corradi et G. Mineo. « Le cellule mesenchimali ». Archivio di Ortopedia e Reumatologia 120, no 3-4 (novembre 2009) : 15–17. http://dx.doi.org/10.1007/s10261-009-0043-6.
Texte intégralRizzo, Maria, Luigi Romano et Nicola Tammaro. « Le cellule staminali mesenchimali nel trattamento delle pseudoartrosi ». LO SCALPELLO-OTODI Educational 33, no 3 (13 septembre 2019) : 270–74. http://dx.doi.org/10.1007/s11639-019-00328-w.
Texte intégralPellegrino, A., N. Tammaro, M. Conte, L. Romano et S. Misso. « Il prelievo delle cellule staminali mesenchimali dalla cresta iliaca ». LO SCALPELLO-OTODI Educational 33, no 3 (12 septembre 2019) : 243–52. http://dx.doi.org/10.1007/s11639-019-00335-x.
Texte intégralBattaglini, G., F. Guadalascara et G. Monteleone. « Il prelievo delle cellule staminali mesenchimali dal tessuto adiposo ». LO SCALPELLO-OTODI Educational 33, no 3 (13 septembre 2019) : 253–57. http://dx.doi.org/10.1007/s11639-019-00342-y.
Texte intégralDi Stefano, Danilo Alessio. « Rigenerazione dell’osso alveolare mediante l’utilizzo di cellule staminali mesenchimali adulte ». Italian Oral Surgery 11, no 1 (février 2012) : 1–3. http://dx.doi.org/10.1016/j.ios.2011.11.001.
Texte intégralToro, G., L. Prinzo, M. Gison, C. Di Fino, A. De Cicco, A. Braile, F. Lepore, A. Toro et A. Schiavone Panni. « Innesti di cellule staminali mesenchimali nelle grandi perdite di sostanza ». LO SCALPELLO-OTODI Educational 33, no 3 (12 septembre 2019) : 258–63. http://dx.doi.org/10.1007/s11639-019-00331-1.
Texte intégralScotto di Luzio, A., S. Di Franco, F. Peluso, D. Riccardi et A. P. D’Amato. « Le cellule staminali mesenchimali nel trattamento delle lesioni muscolo-tendinee ». LO SCALPELLO-OTODI Educational 33, no 3 (5 septembre 2019) : 275–83. http://dx.doi.org/10.1007/s11639-019-00332-0.
Texte intégralGrazioli, A., G. Scaravilli, F. Di Maggio, G. Bove, M. Italiano, R. Pezone et B. Di Maggio. « Le cellule staminali mesenchimali nel trattamento delle condropatie del ginocchio ». LO SCALPELLO-OTODI Educational 33, no 3 (17 octobre 2019) : 284–88. http://dx.doi.org/10.1007/s11639-019-00336-w.
Texte intégralMasola, V., S. Granata, M. Proglio, G. Gambaro, A. Lupo et G. Zaza. « Eparanasi : un nuovo biomarker di fibrosi e un potenziale target farmacologico per ridurre la progressione del danno renale cronico ». Giornale di Clinica Nefrologica e Dialisi 24, no 2 (26 janvier 2018) : 10–15. http://dx.doi.org/10.33393/gcnd.2012.1131.
Texte intégralDonelli, A., M. De Mare, P. Gogna, C. Borrelli et U. Repetto. « Due Casi di Tumori Mesenchimali a Cellule Muscolari del Funicolo Spermatico ». Urologia Journal 71, no 3 (juillet 2004) : 267–68. http://dx.doi.org/10.1177/039156030407100323.
Texte intégralThèses sur le sujet "Mesenchimali"
MAURI, MARIO. « Cellule staminali mesenchimali : potenziali modulatori del sistema nervoso centrale ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2012. http://hdl.handle.net/10281/39835.
Texte intégralMaurizi, Giulia. « Caratterizzazione fenotipica, molecolare e proprietà immunoregolatorie delle cellule staminali mesenchimali ». Doctoral thesis, Università Politecnica delle Marche, 2012. http://hdl.handle.net/11566/242057.
Texte intégralMesenchymal stem cells (MSCs) are promising candidates for cell therapy and tissue engineering. In previous studies, the most important source of MSCs was adult bone marrow (BM). Recently, MSCs with similar cell surface markers and differentiation capacity have also been found in developmentally younger tissues. This study showed data from fetal MSCs obtained from first-trimester chorionic villi (CV) and second trimester amniotic fluid (AF), comparing them with BM. The work reports on growth in human allogeneic serum (HS) and platelet lysate (PL), immunophenotype, cytokine expression profile and immunoregulatory activity of fetal MSCs on stimulated peripheral blood mononuclear lymphocyte subpopulations. The cells studied was analyzed also for telomere length, telomerase activity, hTERT, p53 and cmyc transcriptions, to evaluate their replicative stability. Spontaneous chromosomal alterations were excluded by cytogenetic analysis. CV cells grow rapidly in HS, with 20 populations doublings (PDs) after 59 days (6 passages), and also in animal serum, with 27 PDs after 65 days (7 passages). PL allowed an expansion in 60% of the samples tested, though it was lower than HS. HS supported an average of 40 PDs of expansion in 20% of AF cells after 90 days, whereas animal serum supported 28.5 PDs in 66 days. CV and AF cells inhibited the proliferation of stimulated T lymphocytes, suppressing the growth of both CD4+ and CD8+ T subpopulations and, sometimes, CD19+ cells. Despite their high proliferation capacity, fetal MSCs showed no telomerase activity, no hTERT transcriptions and maintained long, stable telomeres. A constant expression level of p53 and c-myc and a normal karyotype were preserved throughout long-term expansion, suggesting the safety of fetal MSCs. In conclusion, these results indicate that CV would be an optimal and safety source of MSCs with high expansion potential in a HS propagation system, immunoregulatory capacity of T and B lymphocytes. More than 90% of CV samples achieved a large-scale expansion in HS, that is encouraging for potential clinical applications of these cells.
VELLECA, LUCIA. « PRODUZIONE DI CELLULE STAMINALI MESENCHIMALI PER APPLICAZIONI DI TERAPIA AVANZATA ». Doctoral thesis, Università degli Studi di Milano, 2014. http://hdl.handle.net/2434/231151.
Texte intégralABSTRACT Tissue Engineered products may carry cells or tissues either of human or animal origin. The cells and tissues shall be subjected to substantial manipulation in order to obtain biological characteristics, physiological functions or structural properties relevant for the intended regeneration, repair or replacement. For cells and tissues manipulated in vitro, the objective to be achieved in terms of control of production processes and quality of the final product is to ensure the safety and effectiveness of the products that would be placed in clinical use. Hence the need to act in accordance with the rules which define production processes used for drugs, in order to guarantee the quality and safery of the product.. The purpose of the work done during the PhD was the study and the development of production protocol for the generation of an innovative product for advanced therapies. It is a cellular product made of mesenchymal stem cells, good candidates for clinical applications in regenerative medicine. For this production, all stages, starting from the initial sample and up to the final product, must be carried out in an authorized pharmaceutical facility which operates in compliance with Good Manufacturing Practices (GMP). The purpose of these guidelines is to ensure that drugs are produced, analysed and released in a regime of controlled and certified quality minimizing the danger of unexpected risks for the patient. In the preliminary phase of the process the feasibility of the method was evaluated and the protocols to be used were defined. The feasibility phase allowed the development of procedures for the isolation, expansion and differentiation of stem cells. It was possible to evaluate the genomic stability and immunophenotypic features of the cells at different steps. All data obtained during the feasibility study have been fundamental to define the tests of quality control, product specifications and criteria of acceptability required for the subsequent validation of the process. The results presented in the feasibility study show that it is possible to transfer research protocols to a GMP framework which is potentially applicable in clinical trials. At the end of the validation process, which involves the production of three batches of cells, the specifications required for the incoming controls, during the production’s process and on the final product must comply with all the requirements. The future steps will be the validation of the aseptic process, through the execution of three mediafill and the risk assessment related to the production of batches intended for clinical use, in order to complete the series of documents required for the submission of an application for a clinical study.
Babini, Lucia. « Ruolo del sistema FASL/FAS nella biologia delle cellule mesenchimali staminali ». Doctoral thesis, Università Politecnica delle Marche, 2013. http://hdl.handle.net/11566/243016.
Texte intégralMesenchymal stem cells (MSCs) are multipotent progenitor cells that can differentiate into several cell types. Bone marrow (BM)-MSCs mainly differentiate into osteoblasts or adipocytes. MSC interactions with their microenvironment directly affect their self-renewal/differentiation program. Here we show for the first time that FasL, a well-explored pro-apoptotic cytokine, can promote proliferation of BM-derived MSCs in vitro and inhibits their differentiation into adipocytes. BMMSCs treated with a low FasL dose (0.5 ng/ml) proliferated more rapidly than untreated cells without undergoing spontaneous differentiation or apoptosis, whereas higher doses (25 ng/ml) induced significant though not massive BM-MSC death, with surviving cells maintaining a stem cell phenotype. At the molecular level, 0.5 ng/ml FasL induced ERK1/2 phosphorylation and surviving up-regulation, whereas 25 ng/ml FasL induced caspase activation. Importantly, 25 ng/ml FasL reversibly prevented BM-MSC differentiation into adipocytes by modulating PPARγ and FABP4/aP2 expression induced by adipogenic medium. All such effects were inhibited by anti-Fas neutralizing antibody. The in vitro data regarding adipogenesis were confirmed using Faslpr mutant mice, where higher PPARγ and FABP4/aP2 mRNA and protein levels were documented in whole tibia. These data show that the FasL/Fas system plays a role in BM-MSC biology via regulation of both proliferation and adipogenesis. These findings may have clinical relevance because circulating Fas/FasL levels decline with age and several age-related conditions, including osteoporosis, are characterized by adipocyte accumulation in BM.
Focaroli, Stefano <1982>. « Scaffold funzionali per il differenziamento condrogenico di cellule staminali mesenchimali umane ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7527/4/tesi_stefano_focaroli.pdf.
Texte intégralTissue engineering is an interdisciplinary and multidisciplinary field that aims at the developmentof biological substitutes that restore, mantain, or improve tissue function. Concerning the articular cartilage many improvments were made, but the complete tissue restoration approach still lacking. In the first part of this work, it was evaluated the ability of a gelatin scaffold to promote the condrogenic differentiation of ADSCs. Successively, in order to obtain a low cost sistem, a based alginate/Cobalt scaffold was designed with the aim to take advantage of the physical features of the cartilage tissue. Finally, it was developted a cost effective method to produce microfluidic chips with the aim to obtain micro-systems for cell encapsulation.
Focaroli, Stefano <1982>. « Scaffold funzionali per il differenziamento condrogenico di cellule staminali mesenchimali umane ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7527/.
Texte intégralTissue engineering is an interdisciplinary and multidisciplinary field that aims at the developmentof biological substitutes that restore, mantain, or improve tissue function. Concerning the articular cartilage many improvments were made, but the complete tissue restoration approach still lacking. In the first part of this work, it was evaluated the ability of a gelatin scaffold to promote the condrogenic differentiation of ADSCs. Successively, in order to obtain a low cost sistem, a based alginate/Cobalt scaffold was designed with the aim to take advantage of the physical features of the cartilage tissue. Finally, it was developted a cost effective method to produce microfluidic chips with the aim to obtain micro-systems for cell encapsulation.
Gallitto, Enrico <1983>. « Il contributo delle cellule mesenchimali vascolari nello sviluppo dell'aneurisma dell'aorta addominale ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2016. http://amsdottorato.unibo.it/7733/1/GALLITTO_ENRICO_TESI.pdf.
Texte intégralBackground. inflammatory infiltrate and excessive extracellular matrix proteolysis (ECM), by Metalloproteinasis (MMPs), are typical characteristics of abdominal aortic aneurysm (AAA). Mesenchymal Stromal Cells (MSCs) have been detected in the vascular wall and represent attractive target for regenerative medicine, due to the mesodermal lineage differentiation and immunomodulatory activity. Previous papers underlined an impaired MSC behaviour under pathological conditions. Aim of the study was to define the potential role of vascular MSCs to AAA development. Methods. Aortic tissues were collected from patients with AAA and healthy donors. The analysis was organized in three steps: 1) histology of AAA wall; 2) detection of MSCs and evaluation of MMP-9 expression in AAA; 3) MSC isolation from AAA and characterization for mesenchymal/stemness markers, MMP-2, MMP-9, TIMP-1, TIMP-2 and EMMPRIN. AAA-MSCs were tested for immunomodulation, when cultured with activated peripheral blood mononuclear cells (PBMCs). Co-culture of both healthy and AAA MSCs was performed and afterwards MMP-2/9 mRNA levels were analyzed. Results. AAA-MSCs showed mesenchymal features: fibroblastic aspect, MSC antigens, stemness genes. MMP-9 mRNA, protein and enzymatic activity were increased in AAA-MSCs. Moreover, AAA-MSCs showed a weak immunosuppressive activity, as shown by PBMC ongoing along cell cycle. MMP-9 was shown to be modulated at the transcriptional level through the contact as well as the paracrine action of healthy MSCs. Discussion. Vascular injury did not affect the MSC phenotype, but altered their function, as increased MMP-9 expression and ineffective immunomodulation. These data suggest that vascular MSCs can contribute to aortic disease. The study of key processes to restore MSC immunomodulation could be relevant to find a pharmacological approach for the aneurysm progression
Magnasco, Alberto <1964>. « Ruolo delle cellule staminali mesenchimali in modelli cellulari e animali di nefropatia ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/1085/1/Tesi_Magnasco_Alberto.pdf.
Texte intégralMagnasco, Alberto <1964>. « Ruolo delle cellule staminali mesenchimali in modelli cellulari e animali di nefropatia ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2008. http://amsdottorato.unibo.it/1085/.
Texte intégralBECCIA, Elisa. « Possibile uso delle cellule staminali mesenchimali amniotiche come terapia nella fibrosi cistica ». Doctoral thesis, Università degli studi del Molise, 2021. http://hdl.handle.net/11695/100844.
Texte intégralCystic fibrosis (CF) is a lethal, autosomal recessive inherited genetic disease caused by mutation on the Cystic Fibrosis Trasmembrane Conductance Regulator (CFTR) gene encoding a cAMP-dependent channel protein that regulates transmembrane conduction of chloride, which is expressed on the apical membrane of epithelial cells. The basic defect of the airway epithelium in CF patients is due to a double defect in chloride secretion and sodium absorption that lead to an altered flow of fluids through the epithelium of the airways, resulting in an alteration of the airway’s mucociliary clearance, opportunistic bacterial infections, inflammation and severe lung damage. The main cause of morbidity and mortality is chronic inflammation affecting the lung. New drugs have been developed recently to act directly on the CFTR protein, in order to rescue the mutated CFTR processing and function. However, there are still mutations that still failed to be rescued by CFTR modulators. Cell therapy, on the other hand, being agnostic for mutation, has the possibility of being able to cure every patient. Recently have been investigated stem cells as potential therapeutic sources for CF. In addition to the bone marrow, stem cells derived from the amniotic membrane, human amniotic mesenchymal stem cells (hAMSC) are very promising as they express stem cells markers and can differentiate into respiratory epithelial cells when they are co-cultured with immortalized human bronchial epithelial cells (CFBE14o-), homozygous for the F508del allele, the most frequent mutation in CF. The co-cultures also show an increased processing and conductance of the CFTR protein and a partial correction of other basic defects associated with the disease. Since these results are obtained only in co-cultures, it has been assumed that direct contact between hAMSC and CFBE14o- is necessary for the recovery of these defects. One of the objectives of this thesis was to understand the role of intercellular communication, mediated by gap junctions (GJ), in co-cultures that were studied for the expression and functionality of the Cx43 protein, one of the main components of GJ, before and after their silencing, obtained using a siRNA directed against the mRNA of interest. The results highlighted the fundamental role of GJ in the correction of the basic defects associated with CF by hAMSC. It was further investigated which molecular messenger could be transmitted through the GJ and, possibly, mediate the therapeutic effect of hAMSC. MicroRNAs (miRNAs) are also transferred across GJ and their involvement in the expression levels of the CFTR protein has been demonstrated. In particular, miRNA-138 increases the expression of the CFTR protein by interacting with the SIN3A protein. The levels of miRNA-138 were then investigated by droplet digital PCR. Preliminary data show that wild-type CFTR cells have higher levels of miRNA-138 than cells with F508del mutation and that there is an upward trend in co-cultures. A further objective of the study was to investigate whether hAMSC can speed up the regeneration of the airway bronchial epithelium and the closure of the injury that continuously form under the chronic inflammatory stimulus in the lungs of CF patients. The results demonstrate that hAMSC added to a wound induced on a monolayer of CFBE14o-, are able to repair the damage with the same timing required for a simulated wound on a monolayer of wild type CFTR bronchial epithelial cells. Taking to account the data generated in the current study, it indicates the possible therapeutic utility of hAMSC in lung disease associated with CF. However, further studies on their mechanism of action conducted in models with closer resemblance to human CF pathology are required.
Actes de conférences sur le sujet "Mesenchimali"
Litskevich, Larysa, Alexander Skrahin, Natalia Shpacovskaya, Varvara Solodovnicova et Janina Isaikina. « Effectiveness of mesenchimal stem cells in the treatment of patients with chronical obstructive pulmonary disease ». Dans ERS International Congress 2017 abstracts. European Respiratory Society, 2017. http://dx.doi.org/10.1183/1393003.congress-2017.pa4895.
Texte intégralKokhnyuk, M., et M. Labai. « MORPHOLOGY AND PROLIFERATIVE POTENTIAL OF MULTIPOTENT MESENCHIMAL STROMAL BONE MARROW CELLS IN THE CONDITIONS OF HYPEREGLICEMIA ». Dans SAKHAROV READINGS 2020 : ENVIRONMENTAL PROBLEMS OF THE XXI CENTURY. Minsk, ICC of Minfin, 2020. http://dx.doi.org/10.46646/sakh-2020-2-90-93.
Texte intégralZhdanova, Daria, Rimma Poltavtseva et Natalia Bobkova. « EFFECT OF EXOSOMES FROM MESENCHIMAL STROMAL CELLS ON MEMORY OF ANMALS WITH A MODEL OF ALZHEIMER'S DISEASE ». Dans XVI International interdisciplinary congress "Neuroscience for Medicine and Psychology". LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1044.sudak.ns2020-16/201-202.
Texte intégralSkybina, Kseniia, Iryna Musatova et M. Kozub. « APPLICATION OF MESENCHIMAL STEM CELLS OF ADIPOSE TISSUE FOR RESTORATION OF SEXUAL FUNCTION AND BEHAVIOR IN THE OVARIAN FAILURE MODEL ». Dans DÉBATS SCIENTIFIQUES ET ORIENTATIONS PROSPECTIVES DU DÉVELOPPEMENT SCIENTIFIQUE. European Scientific Platform, 2021. http://dx.doi.org/10.36074/logos-05.02.2021.v6.14.
Texte intégralAlbino, Domenico, Nicole Longoni, Erica Ortelli, Paolo Kunderfranco, Anastasia Malek, Carlo V. Catapano et Giuseppina MR Carbone. « Abstract 5019 : Loss of the ETS transcription factor ESE3 induces epithelial-mesenchimal transition and generates cells with stem cell-like properties ». Dans Proceedings : AACR 101st Annual Meeting 2010‐‐ Apr 17‐21, 2010 ; Washington, DC. American Association for Cancer Research, 2010. http://dx.doi.org/10.1158/1538-7445.am10-5019.
Texte intégralStefanantoni, Katia, Cristiana Barbati, Carlotta Angelelli, Greta Pellegrino, Cristiano Alessandri, Guido Valesini et Valeria Riccieri. « AB0220 ALPHA- SMOOTH MUSCLE ACTIN EXPRESSION ON ENDOTHELIAL PROGENITORS CELLS OF SYSTEMIC SCLEROSIS PATIENTS : POSSIBLE ROLE IN THE ENDOTHELIAL-TO-MESENCHIMAL TRANSITION PROCESS ». Dans Annual European Congress of Rheumatology, EULAR 2019, Madrid, 12–15 June 2019. BMJ Publishing Group Ltd and European League Against Rheumatism, 2019. http://dx.doi.org/10.1136/annrheumdis-2019-eular.6342.
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