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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
211

Der Einfluss der Wachstumsfaktoren TGF-b3 und EGF sowie des Matrixmoleküls Biglycan auf die Gene SOX9 und RUNX2 in chondrogenen Progenitorzellen / The influence of the growth factors tgf-b3 and egf and the matrix molecule biglycan on the genes sox9 and runx2 in chondrogenic progenitor cells

Schimmel, Stefan 22 September 2016 (has links)
Osteoarthritis (OA) ist eine chronische Erkrankung der Gelenke des menschlichen Körpers, insbesondere des Kniegelenkes. Sie ist durch entzündliche und degenerative Prozesse gekennzeichnet, die Patienten in ihrer Beweglichkeit stark einschränkt. In der komplexen Pathophysiologie kommt es unter anderem zu zellmorphologischen Veränderungen der knorpelbildenden Zellen, den Chondrozyten, und zu destruktiven Veränderungen der Knorpelmatrix. Bisherige therapeutische Ansätze bestehen in meist in einer rein symptomatischen Therapie durch Schmerzmittel sowie der operativen endoprothetischen Versorgung als Ultima Ratio. Eine kurative Therapie ist bisher nicht möglich. Einen Ansatz für eine kurative Therapie könnte eine Subpopulation der Zellen des Knorpelgewebes bieten. Chondrogene Progenitor Zellen (CPCs) stellen als Vorläuferzellen der Chondrozyten, gesteuert durch das prochondrogene Gen SOX9 und das proosteogene Gen RUNX2, einen möglichen regenerativen Ansatz in der Behandlung dar. Eine Rolle in diesem Prozess könnten die Wachstumsfaktoren TGF- β3 und EGF sowie das Matrixmolekül Biglycan darstellen. In dieser Arbeit konnte gezeigt werden, dass diese Wachstumsfaktoren, deren Rezeptoren und das Matrixmolekül Biglycan im osteoarthrischen Knorpel eine Rolle spielen. Insbesondere konnte in vitro gezeigt werden, dass CPCs unter dem Einfluss dieser Moleküle zu einer vermehrten SOX9 und verminderten RUNX2-Expression angeregt werden. Unter der Hypothese, dass sich CPCs auf diese Art zu Chondrozyten differenzieren lassen und so den Knorpel wiederherstellen, könnten diese Moleküle einen möglichen Baustein einer zukünftigen Therapie der OA darstellen.
212

Expansão ex vivo das células-tronco hematopoiéticas do sangue do cordão umbilical: análise comparativa da proliferação celular em cocultura de células-troco mesenquimais provenientes do endotélio vascular do cordão umbilical e do tecido adiposo / Cord blood hematopoietic stem cells ex vivo expansion: comparative analysis of cell proliferation promoted by adipose tissue and umbilical cord endothelium mesenchymal stem cells in coculture system

Forte, Andresa 10 December 2014 (has links)
INTRODUÇÃO: As células-tronco hematopoiéticas (CTH) do sangue do cordão umbilical (SCU) têm sido utilizadas com sucesso para o tratamento de doenças malignas e não malignas. No entanto, algumas unidades de SCU podem apresentar baixa quantidade de células nucleadas totais (CNT). Algumas abordagens têm sido sugeridas para evitar problemas em relação à baixa concentração de CTH no transplante, como a administração de duas unidades de SCU para o paciente e a expansão ex vivo de CTH. OBJETIVO: Avaliar as taxas de proliferação celular na expansão ex vivo do SCU em sistema de cocultura com células-tronco mesenquimais (CTM) obtidos a partir de diferentes fontes com alta e baixa confluência e adicionando-se ou não coquetel de citocinas no meio de cultura. MÉTODOS: Este estudo foi aprovado pelo Comitê de Ética de Pesquisa (CAPPesq) do Hospital das Clínicas da Faculdade de Medicina da USP. A coleta do SCU (n =10) foi realizada após o nascimento do bebê e expulsão da placenta. O processamento foi realizado utilizando o método de redução de volume, o qual consiste em depleção de eritrócitos. As amostras de CTM provenientes do endotélio vascular do cordão umbilical foram obtidas de doadores diferentes (n=3) e o tecido adiposo (n=3) do inventário do LIM-31. A expansão das CNT e das células com expressão de marcadores CD133+/CD34+ foram observados depois de sete dias de cultura. Além disso, o ensaio para análise de unidades de formadoras de colônias (UFC) foi realizado em todas as amostras antes e depois da expansão do SCU. Para a expansão em sistema de cocultura foi separado dois grupos para ambas as fontes de CTM (Grupo I - cocultura com adição de coquetel de citocinas vs. Grupo II - cocultura sem citocinas). RESULTADOS: Após sete dias, no grupo I com cocultura confluente, a taxa de proliferação de CNT foi duas vezes maior ao comparar com cocultura subconfluente (35 vs. 16 vezes). No mesmo grupo também foi possível evidenciar elevada taxa de proliferação de células CD133+/CD34+. O índice de proliferação das UFC no grupo I aumentou até oito vezes. A cocultura subconfluente tanto do endotélio vascular do cordão umbilical como do tecido adiposo apresentou menor rendimento em comparação as CTM confluentes. A expansão das células na presença de citocinas apresentou maior proliferação celular ao comparar às coculturas sem adição de citocinas. CONCLUSÃO: Este estudo mostrou que para alto rendimento de células do SCU, o sistema de cocultura requer adição de coquetel de citocinas e CTM confluente independentemente da fonte utilizada / INTRODUCTION: Umbilical cord blood (UCB) hematopoietic stem cells have been successfully used for the treatment of both malignant and non-malignant diseases. Nevertheless, some UCB units could have low total nucleated cells (TNC) dose. Several approaches have been suggested to avoid inadequacy problems of hematopoietic stem cells (HSC) number for transplantation, such as administration of two UCB units to the patient and HSC ex vivo expansion. OBJECTIVE: Evaluate UCB ex vivo expansion proliferative rates in a high and low mesenchymal stem cells (MSC) confluence feeder layer obtained from different MSC sources and by adding or not cytokines cocktail into the medium. METHODS: This study was approved by the Research Ethic Committee (CAPPESQ) of Hospital das Clínicas da Faculdade de Medicina da USP. The collection of UCB (n=10) was made after delivery of the infant and the expulsion of placenta. Processing was performed using volume reduction method which consists in red blood depletion. MSC samples from umbilical cord endothelium were obtained from three different donors and adipose tissue (n=3) obtained from LIM31\'s pattern inventory. The total nucleated cell (TNC), expression of hematopoietic surface markers such as CD133+/CD34+ were observed after seven days of culture. Beyond that, colony forming unit assay (CFU) was performed before and after UCB expansion. The expansion by coculture method was observed in two groups (Group I - coculture with cytokines cocktail added vs. Group II- coculture without cytokines cocktail) for both MSCs sources. RESULTS: After seven days, analysis of confluent coculture showed that TNC proliferation rate ware almost 2 times higher than in subconfluent coculture (35 vs. 16-fold) in Group I and also revealed higher proliferative rate in CD133+/CD34+ cells considering. CFU showed similar increase after seven days of culture in comparison of day 0 (up to 8-fold). Subconfluent coculture for both umbilical cord endothelium and adipose tissue showed lower yield compared with those with high MSC confluence. The expansion in the presence of cytokines showed higher cell proliferation compared to the cocultures without addition of cytokines. CONCLUSION: This study showed that coculture system may require the addition of cytokines cocktail in the media and confluent MSC regardless of source for high yield of UCB cells
213

Periphere Blutstammzellen

Schwella, Nimrod 02 May 2000 (has links)
Bei Patienten mit Keimzelltumoren werden Mobilisation und Separation peripherer Blut-stammzellen durch das Alter, die zytostatische Vorbehandlung und Art der Mobilisations-chemotherapie statistisch signifikant beeinfluát. Der beste pr diktive Parameter f r die gesammelten Stamm- und Vorl uferzellen ist die Anzahl der peripheren CD34+ Zellen, die am Tag der Leukapherese im Blutkreislauf zirkulieren. F r die Rekonstitution der Granulo- und Thrombozytopoese nach Hochdosischemotherapie ist die Dosis der trans-fundierten CD34+ Zellen von signifikantem Wert. Bei der Transplantation von mehr als 2,5 x 10 hoch 6 CD34+ Zellen/kg kann mit einer schnellen und sicheren Regeneration der H matopoese, einem niedrigeren Bedarf an Antibiotika, Erythrozyten- und Thrombozy-tenkonzentraten sowie einem k rzeren Krankenhausaufenthalt gerechnet werden. / In patients with germ cell cancer the mobilization and collection of peripheral blood progenitor cells are significantly influenced by patient's age, cytotoxic pretreatment and the mobilization chemotherapy used. The best predictive factor for harvested progenitor cells is the number of CD34+ cells circulating in the peripheral blood on the day of leukapheresis. The dose of transfused CD34+ cells has a significant impact on the reconstitution of granulocytes and platelets after high-dose chemotherapy. Transplantation of more than 2,5 x 10 to the power of 6 CD34+ cells/kg results in a rapid and safe regeneration of hematopoiesis, less antibiotics and transfusion requirements (red blood cell and platelet concentrates) and a shorter hospital stay.
214

Desenvolvimento de um substituto nanoestruturado a ser utilizado em associação com células-tronco para a terapia vascular em doença arterial periférica

Braghirolli, Daikelly Iglesias January 2017 (has links)
Atualmente, existe uma grande necessidade médica por enxertos vasculares de pequeno calibre (< 6 mm), que possam ser utilizados em cirurgias de reconstrução vascular. Nesse trabalho, dois tipos de biomateriais vasculares foram desenvolvidos pela técnica de electrospinning: biomateriais de policaprolactona (PCL) e biomateriais de poli(carbonato de trimetileno – co – ácido lático) (PTMCLLA). Os biomateriais de PCL foram funcionalizados com heparina e com VEGF (PCL/Hep/VEGF). Os biomateriais de PTMCLLA foram desenvolvidos a partir de três razões de carbonato de trimetileno/ ácido lático: 20/80, 30/70 e 40/60. Os biomateriais de PCL apresentaram taxa de degradação lenta e alta elasticidade. A funcionalização dos biomateriais preveniu a coagulação do sangue e também favoreceu o crescimento de células-tronco mesenquimais (CTMs) e de células progenitoras endoteliais (CPEs) nessas estruturas. A análise de PCR demonstrou que o VEGF adsorvido aos biomateriais não foi suficiente para diferenciar as CTMs em células endoteliais. O cultivo das CPEs sobre os biomateriais aumentou a expressão de VE-caderina e a presença de VEGF nas estruturas manteve o nível de expressão de CD31 e CD34 nessas células. Após essas análises, os biomateriais de PCL/Hep/VEGF foram fabricados em formato tubular. As CPEs foram semeadas no lúmen do biomaterial, através de biorreatores de parede rotatória (BPR), e mantidas em cultivo, por biorreatores de perfusão (BP). O BPR favoreceu a distribuição homogênea das CPEs na parede luminal dos biomateriais enquanto que o BP estimulou seu crescimento e otimizou seu metabolismo energético. Os biomateriais produzidos a partir dos copolímeros de PTMCLLA 30/70 e 40/60 exibiram uma alta flexibilidade. Porém, os biomateriais de PTMCLLA 40/60 tiveram um grande enrugamento. Os biomateriais de PTMCLLA 30/70 suportaram a adesão e o crescimento de CTMs, de CPEs e de células musculares lisas. Os resultados obtidos no presente estudo demonstram que biomateriais de PCL/Hep/VEGF apresentam características físico-químicas compatíveis para o uso vascular. Ainda, previnem a formação de trombos em sua superfície e propiciam o desenvolvimento da camada endotelial em seu lúmen. Os biomateriais de PTMCLLA 30/70 exibem alta flexibilidade e suportam o desenvolvimento de células vasculares e de células-tronco mesenquimais. De acordo com esses resultados, é possível concluir que biomateriais de PCL/Hep/VEGF e de PTMCLLA 30/70 são candidatos promissores para aplicação como enxertos vasculares. / Currently, there is a great medical need for small caliber vascular grafts (<6 mm), which can be used in vascular replacement surgeries. In this work, two types of vascular biomaterials were developed by the electrospinning technique: biomaterials of polycaprolactone (PCL) and biomaterials of poly(trimethylene carbonate-co-L-lactide) (PTMCLLA). PCL biomaterials were functionalized with heparin and VEGF (PCL / Hep/VEGF). The PTMCLLA biomaterials were developed from three ratios of trimethylene carbonate/lactide: 20/80, 30/70 and 40/60. The PCL biomaterials presented a slow degradation rate and high elasticity. The functionalization of the biomaterials prevented the blood from clotting and also favored the growth of mesenchymal stem cells (MSCs) and endothelial progenitor cells (EPCs) in these structures. PCR analysis demonstrated that VEGF adsorbed by the biomaterials was not sufficient to differentiate the MSCs into endothelial cells. The cultivation of CPEs on the biomaterials increased their expression of VE-cadherin and the presence of VEGF in the structures maintained the cell expression of CD34 and CD31. After these analyzes, the PCL/Hep/VEGF biomaterials were produced in a tubular geometrical form. The CPEs were seeded into their lumen by rotating bioreactors (RB) and maintained in culture by perfusion bioreactors (PB). The RB favored the homogeneous distribution of the CPEs in the luminal wall of the biomaterials while the BP stimulated their growth and optimized their energetic metabolism. The biomaterials produced from the PTMCLLA 30/70 and 40/60 copolymers exhibited high flexibility. However, the PTMCLLA 40/60 biomaterials exhibited substantial wrinkling. The PTMCLLA 30/70 biomaterials supported the adhesion and growth of MSCs, CPEs and smooth muscle cells. This study has demonstrated that PCL/Hep/VEGF biomaterials have physicochemical characteristics compatible with vascular use. Furthermore, they prevent thrombus formation on their surfaces and promote the development of the endothelial layer in their lumen. Biomaterials of PTMCLLA 30/70 exhibit high flexibility and support the development of vascular and mesenchymal stem cells. According to these results, it can be concluded that PCL/Hep/VEGF and PTMCLLA 30/70 biomaterials are promising candidates for use as vascular grafts.
215

Identification des déterminants viraux et mécanismes moléculaires impliqués dans l’interférence du virus de la maladie de Borna avec la neurogenèse humaine / Identification of viral determinants and molecular mechanisms involved in Borna disease virus interference with human neurogenesis

Scordel, Chloé 15 December 2014 (has links)
Le virus de la maladie de Borna (BDV) est un virus persistant dans le système nerveux central responsable de troubles du comportement chez l’animal et possiblement chez l’homme. En utilisant des cellules progénitrices neurales humaines, des travaux antérieurs à mon arrivée au laboratoire ont montré que BDV altère la neurogenèse humaine. Les objectifs de ma thèse étaient d’identifier les déterminants viraux responsables de cette altération et de caractériser les mécanismes moléculaires impliqués. Nous avons montré que la phosphoprotéine (P) et la nucléoprotéine (N), mais pas la protéine X, induisent une inhibition spécifique de la neurogenèse humaine, la genèse des astrocytes n’étant pas altérée. Ensuite, focalisant notre étude sur P, nous avons montré qu’elle affectait particulièrement la genèse des neurones GABAergiques. La caractérisation moléculaire a ensuite révélé une diminution de l’expression de gènes impliqués dans la spécification (ApoE et Noggin) et dans la maturation (SCG10/Stathmin2 et TH) neuronale. En conclusion, nos résultats démontrent, pour la première fois, qu’une protéine virale perturbe la neurogenèse GABAergique humaine, un processus connu pour être dérégulé dans certaines maladies psychiatriques. Ils améliorent ainsi notre compréhension de la pathogenèse de ce virus persistant et de son rôle possible dans les maladies psychiatriques chez l’homme. / Borna disease virus (BDV) is a persistent neurotropic virus causing neurobehavioral disorders in animals and possibly humans. Using human neural progenitor cells, it had been shown, before my arrival in the laboratory, that BDV induces an alteration in human neurogenesis. Here, we aimed at identifying the viral determinants involved in BDV-induced impairment of neurogenesis and at characterizing the underlying molecular mechanisms. We demonstrated that the phosphoprotein (P) and the nucleoprotein (N), but not the X protein, reduce neurogenesis. Focusing on the role of P, we evidenced an impairment of GABAergic neurogenesis. Then, seeking for the molecular mechanisms responsible for P-induced inhibition of neurogenesis, we showed that it induces a decrease in the expression of cellular factors involved in either neuronal specification (ApoE, Noggin) or maturation (SCG10/Stathmin, TH). Thus, in this study, we demonstrated for the first time that a viral protein is capable of inhibiting GABAergic neurogenesis, a process that is dysregulated in some psychiatric diseases. Our results improve our understanding of the pathogenesis of this persistent neurotropic virus and of its possible role in psychiatric disorders.
216

Analyse organoprotektiver Effekte der renalen Denervation zur Behandlung therapierefraktärer arterieller Hypertonie / Analysis of organoprotective effects of renal denervation as a treatment of therapy-resistant hypertension

Bonss, Martina Rita Monika 30 April 2019 (has links)
No description available.
217

Self-assembling peptide scaffolds as extracellular matrix analogs and their application in tissue engineering and regenerative biology

Genové Corominas, Elsa 26 October 2007 (has links)
En aquesta Tesi, un nou biomaterial de disseny composat per seqüències peptídiques repetitives i amfifíliques, que per autoensamblatge forma xarxes de nanofibres (i hidrogels), AcN-RADARADARADARADA-CONH2, s´ha utilitzat com a anàleg de la matriu extracel·lular per al manteniment, proliferació i diferenciació cel·lular. Aquest pèptid s'ha funcionalititzat amb motius biològicament actius procedents de proteïnes de la matriu extracel·lular incloent laminina-1 i colàgen IV. El scaffold peptídic autoensamblant RAD16-I i els seus derivats biològicament actius s´han caracteritzat i provat utilitzant diferents sistemes cel·lulars com pot ser les cèl·lules d'aorta humanes (HAEC), hepatocits madurs i la línea progenitora de fetge (Lig-8). La proteòlisi d'aquest pèptid s'ha avaluat utilitzant tripsina com a enzim proteolític, i els fragments resultants s'han analitzat per MALDI-TOF i AFM. Així mateix, la segona generació de biomaterials basats en el RAD16-I s'ha provat tant amb HAEC com amb hepatocits madurs. Amb aquests sistemes hem demostrat que el desenvolupament d'una matriu biomiètica reforça, a la vegada que manté, les funcions específiques de cada teixit. En particular, els resultats obtinguts en diferenciació, proliferació i manteniment de la funció cel·lular utilitzant pèptids sintètics autoensamblants són comparables amb els resultats que s'obtenen utilitzant matrius biològiques (Colàgen I i Matrigel). Això indica que els nostres anàlegs de la matriu extracel·lular poden substituir als materials naturals, i suggereix l'ús d'aquests materials intel·ligents amb capacitat instructiva en aplicacions terapèutiques. Així mateix s'ha provat que l'ús d'aquests pèptids auto-ensamblants és eficient en la construcció d'un nínxol de cèl·lules mare. Hem sigut capaços de controlar la cinètica cel·lular (de simètrica a assimètrica) induint diferenciació funcional, a la vegada que es mantenia una petita proporció de cèl·lules no diferenciades. Aquests resultats indiquen clarament que hem sigue capaços d'obtenir un nínxol on cèl·lules primitives (Lig-8) es diferencien adquirint funcions d'hepatocits madurs. Hem desenvolupat una plataforma de biomaterials que es podrien utilitzar per la funcionalització amb innumerables biomolècules amb capacitat d'induir processos biològics com la diferenciació, proliferació i funció metabòlica. Aquests biomaterials, preveiem que tindran un gran impacte a l'àrea terapèutica i biología regenerativa. / En esta Tesis, un nuevo biomaterial de diseño compuesto por secuencias peptídicas repetitivas y amfifílicas que por autoensamblaje forma redes de nanofibras (e hidrogeles), AcN-RADARADARADARADA-CONH2 (RAD16-I), se ha utilizado como análogo de la matriz extracelular para el mantenimiento, proliferación y diferenciación celular. Este péptido se ha funcionalizado con motivos biológicamente activos procedentes de proteínas de la matriz extracelular incluyendo laminina-1 y colágeno IV. El scaffold peptídico autoensamblante RAD16-I y sus derivados biológicamente activos se han caracterizado y probado utilizando diferentes sistemas celulares como puede ser células endoteliales de aorta humanas (HAEC), hepatocitos maduros y la línea progenitora de hígado Lig-8. La proteólisis de este péptido se ha evaluado utilizando tripsina como enzima proteolítico, y los fragmentos resultantes se han analizado por MALDI-TOF y AFM. Asimismo, la segunda generación de biomateriales basados en el RAD16-I se ha probado tanto con HAEC como hepatocitos maduros. Con estos sistemas hemos demostrado que el desarrollo de una matriz biomimética refuerza a la vez que mantiene las funciones específicas de cada tejido. En particular, los resultados obtenidos en diferenciación, proliferación y mantenimiento de la función celular utilizando los péptidos sintéticos auto-ensamblantes son comparables con los resultados que se obtienen usando matrices biológicas (Colágeno I y Matrigel). Esto indica que nuestros análogos de la matriz extracelular pueden reemplazar a los materiales naturales, y sugiere el uso de estos materiales inteligentes con capacidad instructiva en aplicaciones terapéuticas. Asimismo, se ha probado que el uso de estos péptidos auto-ensamblantes es eficiente en la construcción de un nicho de células madre. Hemos sido capaces de controlar la cinética celular (de simétrica a asimétrica) induciendo diferenciación funcional, a la vez que se mantenía una pequeña proporción de células no diferenciadas. Estos resultados indican claramente que hemos sido capaces de obtener un nicho donde células primitivas (Lig-8) se diferencian adquiriendo funciones de hepatocitos maduros. Hemos desarrollado una plataforma de biomateriales que se podrían utilizar para la funcionalización con innumerables biomoléculas con capacidad de inducir procesos biológicos como la diferenciación, proliferación y función metabólica. Estos biomateriales preveemos que tendrán un gran impacto en el área terapéutica y biología regenerativa. / In this Thesis, a new designed biomaterial made out of short repetitive amphiphilic peptide sequence AcN-RADARADARADARADA-CONH2 (RAD16-I) that self-assembles forming nanofiber networks (hydrogel scaffold) has been used as synthetic extracellular matrix analog for cell maintenance, proliferation and differentiation. This peptide has been functionalized with biological active motifs from extracellular matrix proteins including laminin-1 and collagen IV. The prototypic self-assembling peptide scaffold RAD16-I and its biologically active derivatives have been characterized and tested using several cellular systems such as human aortic endothelial cells (HAEC), mature hepatocytes and a putative liver progenitor cell line, Lig-8. The proteolysis of the peptide RAD16-I has been evaluated using trypsin as a proteolytic enzyme and the resulting fragments have been analyzed by MALDI-TOF and AFM. Moreover the second generation of RAD16-I-based biomaterials have been tested using HAEC and mature hepatocytes. With these systems we have shown that the development of a biomimetic matrix enhances as well as maintain tissue-specific functions. In particular, the results obtained in cell differentiation, proliferation and maintenance of cell function using the synthetic self-assembling peptide matrices, are comparable with the results obtained using natural biological matrices counterparts (Collagen-I and Matrigel). This indicates that our extracellular matrix analogs can replace the use of naturally-derived materials and suggests the use of these smart biomaterials with instructive capacity for cells in therapeutics. Moreover, the use of the self-assembling peptide RAD16-I in the recreation of a stem-cell niche proved to be highly efficient. We were able to control stem-cell kinetics (from symmetric to assymetric) inducing functional differentiation while maintaining a small proportion of undifferentiated cells. This striking results clearly indicate that we were able to obtain a stem-cell niche where primitive cells (Lig-8) undergo differentiation acquiring mature hepatic functions. We have developed a biomaterial platform that can be used for functionalization with innumerable biomolecules, with capacity to induce biological processes like differentiation, control of proliferation, metabolic function, etc. These biomaterials will have a strong impact in therapeutics and regenerative biology.
218

Endothelial colony forming cells (ECFCs) identification, specification and modulation in cardiovascular diseases /

Huang, Lan. January 2009 (has links)
Thesis (Ph.D.)--Indiana University, 2009. / Title from screen (viewed on February 2, 2010). Department of Biochemistry and Molecular Biology, Indiana University-Purdue University Indianapolis (IUPUI). Advisor(s): Mervin C. Yoder, Jr., David A. Ingram, Jr., Lawrence A. Quilliam, Mark D. Pescovitz. Includes vitae. Includes bibliographical references (leaves 171-194).
219

Überleben und Differenzierung TAT-Bcl-xL-transduzierter transplantierter neuraler Vorläuferzellen nach zerebraler Ischämie der Maus / Survival and Differentiation of TAT-Bcl-xL-transduced transplanted neural progenitor cells after cerebral ischemia in mice

El Aanbouri, Mimount 29 June 2009 (has links)
No description available.
220

Differentiation of Flk-1 positive multipotent adult germline stem cells into endothelial cells in vitro and in vivo / Die Differenzierung Flk-1 positiver multipotenter adulter Keimbahnstammzellen in endotheliale Zellen in vitro und in vivo

Cheng, I-Fen 12 January 2011 (has links)
No description available.

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