Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
5
pubmed:dateCreated
2007-5-1
pubmed:abstractText
Recently, there has been noteworthy progress in the field of cardiac regeneration therapy. We previously reported that brown adipose tissue (BAT) contained cardiac progenitor cells that were relevant to the regeneration of damaged myocardium. In this study, we found that CD133-positive, but not c-Kit- or Sca-1-positive, cells in BAT differentiated into cardiomyocytes (CMs) with a high frequency. Moreover, we found that CD133(+) brown adipose tissue-derived cells (BATDCs) effectively induced bone marrow cells (BMCs) into CMs. BMCs are considered to have the greatest potential as a source of CMs, and two sorts of stem cell populations, the MSCs and hematopoietic stem cells (HSCs), have been reported to differentiate into CMs; however, it has not been determined which population is a better source of CMs. Here we show that CD133-positive BATDCs induce BMCs into CMs, not through cell fusion but through bivalent cation-mediated cell-to-cell contact when cocultured. Moreover, BMCs induced by BATDCs are able to act as CM repletion in an in vivo infarction model. Finally, we found that CD45(-)CD31(-) CD105(+) nonhematopoietic cells, when cocultured with BATDCs, generated more than 20 times the number of CMs compared with lin(-)c-Kit(+) HSCs. Taken together, these data suggest that CD133-positive BATDCs are a useful tool as CM inducers, as well as a source of CMs, and that the nonhematopoietic fraction in bone marrow is also a major source of CMs. Disclosure of potential conflicts of interest is found at the end of this article.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
May
pubmed:issn
1066-5099
pubmed:author
pubmed:issnType
Print
pubmed:volume
25
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
1326-33
pubmed:meshHeading
pubmed-meshheading:17289932-Adipose Tissue, Brown, pubmed-meshheading:17289932-Animals, pubmed-meshheading:17289932-Antigens, CD, pubmed-meshheading:17289932-Bone Marrow Cells, pubmed-meshheading:17289932-Cations, Divalent, pubmed-meshheading:17289932-Cell Communication, pubmed-meshheading:17289932-Cell Differentiation, pubmed-meshheading:17289932-Cell Fusion, pubmed-meshheading:17289932-Coculture Techniques, pubmed-meshheading:17289932-Glycoproteins, pubmed-meshheading:17289932-Leukocytes, Mononuclear, pubmed-meshheading:17289932-Mice, pubmed-meshheading:17289932-Mice, Inbred C57BL, pubmed-meshheading:17289932-Myocytes, Cardiac, pubmed-meshheading:17289932-Peptides, pubmed-meshheading:17289932-Phenotype, pubmed-meshheading:17289932-Rats, pubmed-meshheading:17289932-Rats, Sprague-Dawley, pubmed-meshheading:17289932-Regeneration, pubmed-meshheading:17289932-Stem Cells
pubmed:year
2007
pubmed:articleTitle
Cardiac stem cells in brown adipose tissue express CD133 and induce bone marrow nonhematopoietic cells to differentiate into cardiomyocytes.
pubmed:affiliation
Department of Signal Transduction, Research Institute for Microbial Diseases, Osaka University, Suita-shi, Osaka, Japan.
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't