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Journal ArticleDOI

Bone marrow cells adopt the phenotype of other cells by spontaneous cell fusion

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.

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Journal ArticleDOI

Therapeutic potential of bone marrow-derived mesenchymal stem cells for cutaneous wound healing

TL;DR: Bone marrow-derived mesenchymal stem cells (MSCs) are a promising source of adult progenitor cells for cytotherapy as they are easy to isolate and expand and have been shown to differentiate into various cell lineages as discussed by the authors.
Journal ArticleDOI

Stem cell plasticity: The growing potential of cellular therapy

TL;DR: The fundamental principle of stem cell biology is that cells with the potential for both self-renewal and terminal differentiation into one or more cell types may be found in a given tissue, but this paradigm is challenged by showing that there are not only tissue-specific stem cells that differentiate to the expected mature cells, but also that tissue stem cells can differentiate into unexpected cell lineages, suggesting an enormous plasticity of differentiation.
Journal ArticleDOI

Skin Carcinoma Arising From Donor Cells in a Kidney Transplant Recipient

TL;DR: Stem cells originating from a grafted kidney may migrate to the skin, differentiate, or fuse as keratinocytes that could, rarely, undergo cancer transformation.
Book ChapterDOI

Recent advances in stem cell neurobiology.

TL;DR: While considerable recent progress has been made in terms of developing new techniques allowing for the long-term culture of human stem cells, the successful clinical application of these cells is presently limited by the lack of suitable markers needed for the identification and selection of cells within proliferating heterogeneous populations of precursor cells.
Journal ArticleDOI

Sympathetic nervous system inhibition increases hepatic progenitors and reduces liver injury

TL;DR: It is hypothesized that SNS inhibition would promote hepatic accumulation of oval cells and reduce liver damage in mice fed antioxidant‐depleted diets to induce liver injury and the results confirm this hypothesis.
References
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Journal ArticleDOI

Multilineage Potential of Adult Human Mesenchymal Stem Cells

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

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

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

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.
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