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Littérature scientifique sur le sujet « Cellule staminali mesenchimali umane »
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Articles de revues sur le sujet "Cellule staminali mesenchimali umane"
Rizzo, 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 intégralCapuano, Nicola, Flavio Carbone, Guido Grillo et Alessio D’Addona. « Cellule staminali mesenchimali associate a core-decompression nel trattamento delle necrosi cefaliche ». LO SCALPELLO-OTODI Educational 33, no 3 (13 septembre 2019) : 264–69. http://dx.doi.org/10.1007/s11639-019-00340-0.
Texte intégralLeonida, A., A. Paiusco, G. Rossi, F. Carini et M. Baldoni. « Effetti della low-level laser irradiation su cellule staminali mesenchimali inoculate in una biomatrice tridimensionale : studio pilota in vitro ». Italian Oral Surgery 11, no 3 (juin 2012) : 96–104. http://dx.doi.org/10.1016/j.ios.2011.03.002.
Texte intégralSuaudeau, Jacques. « Le cellule staminali : dall’applicazione clinica al parere etico Parte II. Le cellule staminali non embrionali ». Medicina e Morale 55, no 5 (30 octobre 2006). http://dx.doi.org/10.4081/mem.2006.342.
Texte intégralThèses sur le sujet "Cellule staminali mesenchimali umane"
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.
CALDARA, CRISTINA. « Effetto di diverse sostanze sul differenziamento mesengenico di cellule staminali mesenchimali umane ». Doctoral thesis, Università degli Studi di Milano-Bicocca, 2013. http://hdl.handle.net/10281/49729.
Texte intégralLanzoni, Giacomo <1982>. « Cellule staminali mesenchimali umane da molteplici tessuti adulti : caratteristiche condivise e tessuto-specificità ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2768/2/Lanzoni_Giacomo_Tesi.pdf.
Texte intégralLanzoni, Giacomo <1982>. « Cellule staminali mesenchimali umane da molteplici tessuti adulti : caratteristiche condivise e tessuto-specificità ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2010. http://amsdottorato.unibo.it/2768/.
Texte intégralBarbagallo, Ignazio Alberto. « Effetto dell'Iperglicemia nel differenziamento di Cellule Staminali Mesenchimali Umane in Osteoblasti:Ruolo dell'Eme Ossigenasi 1 ». Thesis, Università degli Studi di Catania, 2011. http://hdl.handle.net/10761/169.
Texte intégralHuman bone marrow mesenchymal stem cells (MSCs) are pleiotrophic cells that differentiate to either adipocytes or osteoblasts as a result of crosstalk by specific signaling pathways including heme oxygenase (HO)-1/-2 expression. We examined the effect of inducers of HO-1 expression and inhibitors of HO activity on MSC differentiation to the osteoblast and following high glucose exposure. MSC cultured in osteogenic medium increased expression of osteonectin, Runt-related transcription factor 2 (RUNX-2), osteocalcin, and alkaline phosphatase. HO-1 expression during differentiation was initially decreased and then followed by a rebound increase after 15 days of culture. Additionally, the effect of HO-1 on osteoblasts appears different to that seen in adipocyte stem cells. On addition of a cobalt compound, the resultant induction of HO-1 decreases adipogenesis. Moreover, glucose (30 mM) inhibited osteoblast differentiation, as evidenced by decreased bone morphogenetic protein (BMP)-2, osteonectin, osteocalcin, and osteoprotegerin (OPG). In contrast, MSC-derived adipocytes were increased by glucose. Increased HO-1 expression increased the levels of osteonectin, OPG, and BMP-2. Inhibition of HO activity prevented the increase in osteonectin and potentiated the decrease of osteocalcin and OPG in cells exposed to high glucose levels. Furthermore, targeting HO-1 expression increased pAMPK and endothelial nitric oxide synthase (eNOS) and restored osteoblastic markers. Our findings suggest that targeting HO-1 gene expression attenuates the hyperglycemia-mediated decrease in MSC-derived osteoblast differentiation. Finally, the mechanism underlying the HO-1-specific cell effect on osteoblasts and adipocytes is yet to be explored. Thus, the targeting of HO-1 gene expression presents a portal to increase osteoblast function and differentiation and attenuate osteoporosis by promoting bone formation
Bulj, Zrinka <1983>. « Studio del ruolo della Protein chinasi B/Akt nella migrazione di Cellule Staminali Mesenchimali umane ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5154/1/Bulj_Zrinka_tesi.pdf.
Texte intégralHuman Mesenchymal Stromal Cells (hMSC) are currently tested in several clinical trials. In spite of hMSC efficacy is frequently linked to their ability to reach the affected site, little is known on their migratory behavior and the underlying mechanism. This study was designed to investigate the migratory behavior of hMSC and to test the involvement of Akt, also known as protein kinase B. Akt protein expression and phosphorylation was investigated in hMSC western blotting analysis. Cell migration was assessed by transwell, wound healing and time lapse in vivo motility assays. MSC results fairly migratory and Akt was strongly activated at basal level. Furthermore, the characterization of the major regulatory proteins and effectors, upstream and downstream of Akt, has led to the conclusion that the cascade of reactions of this signaling pathway in hMSC follows a canonical pathway. Pharmacological inhibitors were used to determine the potential mechanism responsible for cell migration and invasion. Blocking PI3K/Akt pathway resulted in decreased hMSC migration. The use of pharmacological inhibitors specific for individual Akt isoforms allowed us to discriminate the different role of Akt1 and Akt2 in the migration of the hMSC. Through our analysis, we demonstrated that pharmacological inactivation of Akt2, but not that of Akt1, significantly decreased cell migration and invasion. Although these results are not fully comprehensive for the understanding of the phenomenon, in the complex indicate that the activation of Akt2 plays a critical role in allowing the migration of the hMSC. The demonstration that the Akt2 isoform is required for the chemotaxis of direct hMSC, makes this kinase a potential pharmacological target to modulate the migration of such cells.
Bulj, Zrinka <1983>. « Studio del ruolo della Protein chinasi B/Akt nella migrazione di Cellule Staminali Mesenchimali umane ». Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2013. http://amsdottorato.unibo.it/5154/.
Texte intégralHuman Mesenchymal Stromal Cells (hMSC) are currently tested in several clinical trials. In spite of hMSC efficacy is frequently linked to their ability to reach the affected site, little is known on their migratory behavior and the underlying mechanism. This study was designed to investigate the migratory behavior of hMSC and to test the involvement of Akt, also known as protein kinase B. Akt protein expression and phosphorylation was investigated in hMSC western blotting analysis. Cell migration was assessed by transwell, wound healing and time lapse in vivo motility assays. MSC results fairly migratory and Akt was strongly activated at basal level. Furthermore, the characterization of the major regulatory proteins and effectors, upstream and downstream of Akt, has led to the conclusion that the cascade of reactions of this signaling pathway in hMSC follows a canonical pathway. Pharmacological inhibitors were used to determine the potential mechanism responsible for cell migration and invasion. Blocking PI3K/Akt pathway resulted in decreased hMSC migration. The use of pharmacological inhibitors specific for individual Akt isoforms allowed us to discriminate the different role of Akt1 and Akt2 in the migration of the hMSC. Through our analysis, we demonstrated that pharmacological inactivation of Akt2, but not that of Akt1, significantly decreased cell migration and invasion. Although these results are not fully comprehensive for the understanding of the phenomenon, in the complex indicate that the activation of Akt2 plays a critical role in allowing the migration of the hMSC. The demonstration that the Akt2 isoform is required for the chemotaxis of direct hMSC, makes this kinase a potential pharmacological target to modulate the migration of such cells.
Mancini, Stefania. « Ruolo degli adipociti nell’emopoiesi umana ». Doctoral thesis, Università Politecnica delle Marche, 2014. http://hdl.handle.net/11566/242863.
Texte intégralAdipocytes are a cell population largely located in the human bone marrow cavity. In this specific microenvironment where adipocytes can interact with a variety of different cells, the role of fat is mainly unknown. To our knowledge, this report is the first to characterize mature adipocytes isolated from human bone marrow (BM-A) molecularly and functionally to better understand their roles into the hematopoietic microenvironment. Healthy BM-A were isolated after collagenase digestion and filtration. We studied the morphology of BMA, their gene expression and immunophenotypic profile and their functional ability in the hematopoietic microenvironment, comparing them with adipocytes derived from adipose tissue (AT-A). BM-A showed a unilocular lipid morphology similar to AT-A and did not lose their morphology in culture; they showed a comparable pattern of stem cell-surface antigens to AT-A. In line with these observations, molecular data showed that BM-A expressed some embryonic stem cells genes, such as Oct4, KLf4, c-myc, Gata4, Tbx1, and Sox17, whereas they did not express the stem cell markers Sox2 and Nanog. Moreover, BM-A had long telomeres that were similar to bone marrow mesenchymal stem cells. Notably, BM-A supported the survival and differentiation of hematopoietic stem cells in long-term cultures. These results showed that BM-A are stromal cells with a gene expression pattern that distinguished them from AT-A. BM-A showed stem cell properties through their hematopoietic supporting function, which was certainly linked to their role in the maintenance of the bone marrow microenvironment. Depending on specific demands, BM-A may acquire different functions based on their local environment.
Chioato, Tatiana. « Studio delle capacità differenziative e della potenzialità terapeutica di cellule staminali mesenchimali umane isolate da cordone ombelicale e sangue cordonale nelle malattie epatiche acute ». Doctoral thesis, Università degli studi di Padova, 2011. http://hdl.handle.net/11577/3427456.
Texte intégralIl trapianto di fegato rappresenta l’unica opzione terapeutica per malattie croniche del fegato in fase terminale e in casi selezionati di insufficienza epatica acuta. Esiste ancora tuttavia un notevole divario fra le donazioni d’organo ed il numero di pazienti in lista d’attesa, divario che ha portato alla ricerca di terapie alternative. In questo contesto le cellule staminali potenzialmente potrebbero svolgere un ruolo di primaria importanza nella terapia cellulare. Tra i vari tipi di cellule staminali, le cellule mesenchimali risultano particolarmente interessanti, in quanto possono essere isolate non solo da vari tipi di tessuti adulti, ma anche da tessuti di derivazione fetale, quali cordone, sangue cordonale e placenta, e possono essere indotte a differenziarsi in numerosi tipi cellulari diversi. Tuttavia, soprattutto per quanto riguarda le cellule isolate da tessuti di derivazione fetale, non è ancora completamente chiarito il reale potenziale proliferativo e differenziativo. Lo scopo di questo lavoro è stato quello di isolare una popolazione di cellule con caratteristiche mesenchimali da cordone ombelicale (UC) e sangue cordonale umano (UCB). Una volta verificata in vitro la loro capacità di differenziare in cellule di origine mesodermica (adipociti e osteoblasti), è stata testata la loro capacità di differenziare verso la linea epatocitaria utilizzando un terreno contenente fattori di crescita epatogenici e come supporto per le colture due diverse matrici extracellulari o la plastica non trattata. Infine è stata valutata la capacità di engraftment in vivo delle MSC isolate da UC in un modello di danno acuto indotto da CCl4. Le cellule staminali mesenchimali isolate hanno mostrato la capacità di rispondere agli stimoli differenziativi epatogenici sovraregolando l’espressione di marcatori epatici. In particolare le cellule isolate da UC hanno evidenziato la capacità di differenziare in cellule simil-epatocitarie funzionali come dimostra la positività alla colorazione PAS per l’accumulo di glicogeno e il saggio ELISA per la produzione di albumina. I risultati ottenuti dimostrano che il differenziamento non necessita dell’utilizzo di nessuna matrice extra-cellulare come supporto per la crescita delle cellule e il mantenimento della loro funzionalità nel tempo come invece avviene per gli epatociti maturi messi in coltura. Inoltre le MSC da UC somministrate ad animali sottoposti a danno epatico acuto da CCl4, hanno dimostrato di contribuire alla rigenerazione completa dell’organo, anche se il meccanismo d’azione resta ancora da indagare. La dimostrazione in vitro della plasticità delle MSC da UC e UCB non solo verso la linea mesodermica ma anche verso la linea endodermica e la loro capacità in vivo di contribuire alla rigenerazione epatica, rappresenta un risultato utile sulla futura applicazione di tali cellule nella terapia delle malattie epatiche acute e croniche. Inoltre, essendo completamente accessibili, privi di qualsiasi implicazione etica e di rischio nella raccolta, il sangue cordonale e il cordone ombelicale potrebbero diventare due fonti di elezione per l’ottenimento di cellule staminali multipotenti