Journal ArticleDOI
Bone marrow cells adopt the phenotype of other cells by spontaneous cell fusion
Naohiro Terada,Takashi Hamazaki,Masahiro Oka,Masanori Hoki,Diana M. Mastalerz,Yuka Nakano,Edwin M. Meyer,Laurence Morel,Bryon E. Petersen,Edward W. Scott +9 more
TLDR
It is demonstrated that mouse bone marrow cells can fuse spontaneously with embryonic stem cells in culture in vitro that contains interleukin-3, which, without detailed genetic analysis, might be interpreted as ‘dedifferentiation’ or transdifferentiation.Abstract:
Recent studies have demonstrated that transplanted bone marrow cells can turn into unexpected lineages including myocytes, hepatocytes, neurons and many others. A potential problem, however, is that reports discussing such 'transdifferentiation' in vivo tend to conclude donor origin of transdifferentiated cells on the basis of the existence of donor-specific genes such as Y-chromosome markers. Here we demonstrate that mouse bone marrow cells can fuse spontaneously with embryonic stem cells in culture in vitro that contains interleukin-3. Moreover, spontaneously fused bone marrow cells can subsequently adopt the phenotype of the recipient cells, which, without detailed genetic analysis, might be interpreted as 'dedifferentiation' or transdifferentiation.read more
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Exploiting paracrine mechanisms of tissue regeneration to repair damaged organs
Diana F. Anthony,Paul G. Shiels +1 more
TL;DR: How microvesicles, as a mediator or modulator of paracrine action, can be exploited as a tool for non-cell-based therapies in regenerative medicine is considered.
Journal ArticleDOI
Reprogramming in inter-species embryonal carcinoma-somatic cell hybrids induces expression of pluripotency and differentiation markers.
Marzena Flasza,Andrew Ferguson Shering,Kath Smith,Peter W. Andrews,Polly Talley,Penny A. Johnson +5 more
TL;DR: It is shown that mouse EC cells can also function as donors of reprogramming factors and could serve as a model for ES cells in this respect, since they share many of the key characteristics of ES cells, such as pluripotency.
Journal ArticleDOI
Cell-replacement and gene-therapy strategies for Parkinson’s and Alzheimer’s disease
TL;DR: Progress made in the field of cell-replacement and gene-therapy strategies is reviewed and the use of genetically engineered cells in neuronal rescuing strategies that have recently advanced into the clinic are discussed.
Journal ArticleDOI
Adult rat mesenchymal stem cells differentiate into neuronal-like phenotype and express a variety of neuro-regulatory molecules in vitro.
TL;DR: The study demonstrated that the level of BDNF, NGF, NT3, CNTF and GDNF of r MSCs is remarkably higher in rMSCs than the neuronal-like phenotypes, especially CNTF.
Journal ArticleDOI
Generation of neural stem cell-like cells from bone marrow-derived human mesenchymal stem cells.
TL;DR: The data show that multipotent NSC-like cells can be efficiently produced from BM-derived hMSCs in culture and that these cells may serve as a useful alternative to human neural stem cells for potential clinical applications such as autologous neuroreplacement therapies.
References
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Journal ArticleDOI
Multilineage Potential of Adult Human Mesenchymal Stem Cells
Mark F. Pittenger,Alastair Morgan Mackay,Stephen C. Beck,Rama K. Jaiswal,Robin Douglas,Joseph D. Mosca,Mark Aaron Moorman,Donald William Jr. Ward Road Simonetti,Stewart Craig,Daniel R. Marshak +9 more
TL;DR: Adult stem cells isolated from marrow aspirates of volunteer donors could be induced to differentiate exclusively into the adipocytic, chondrocytic, or osteocytic lineages.
Journal ArticleDOI
Viable offspring derived from fetal and adult mammalian cells
TL;DR: The birth of lambs from differentiated fetal and adult cells confirms that differentiation of that cell did not involve the irreversible modification of genetic material required for development to term and reinforces previous speculation that by inducing donor cells to become quiescent it will be possible to obtain normal development from a wide variety of differentiated cells.
Journal ArticleDOI
Formation of Pluripotent Stem Cells in the Mammalian Embryo Depends on the POU Transcription Factor Oct4
Jennifer Nichols,Branko Zevnik,Konstantinos Anastassiadis,Hitoshi Niwa,Daniela Klewe-Nebenius,Ian Chambers,Hans R. Schöler,Austin Smith +7 more
TL;DR: It is reported that the activity of Oct4 is essential for the identity of the pluripotential founder cell population in the mammalian embryo and also determines paracrine growth factor signaling from stem cells to the trophectoderm.
Journal ArticleDOI
Muscle Regeneration by Bone Marrow-Derived Myogenic Progenitors
Giuliana Ferrari,Gabriella Cusella,Gabriella Cusella,D. De Angelis,D. De Angelis,M. Coletta,M. Coletta,Egle Paolucci,Egle Paolucci,Anna Stornaiuolo,Anna Stornaiuolo,Giulio Cossu,Giulio Cossu,Fulvio Mavilio,Fulvio Mavilio +14 more
TL;DR: Transplantation of genetically marked bone marrow into immunodeficient mice revealed that marrow-derived cells migrate into areas of induced muscle degeneration, undergo myogenic differentiation, and participate in the regeneration of the damaged fibers.
Journal ArticleDOI
Multi-Organ, Multi-Lineage Engraftment by a Single Bone Marrow-Derived Stem Cell
Diane S. Krause,Neil D. Theise,Michael I. Collector,Octavian Henegariu,Sonya Hwang,Rebekah Gardner,Sara Neutzel,Saul J. Sharkis +7 more
TL;DR: It is shown that rare cells that home to bone marrow can LTR primary and secondary recipients, and this finding may contribute to clinical treatment of genetic disease or tissue repair.