Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
2
pubmed:dateCreated
2011-3-28
pubmed:abstractText
Branching morphogenesis in murine submandibular glands (SMG) is regulated by growth factors, extracellular matrix (ECM) and many biological processes through interactions between the epithelium and the mesenchyme. MicroRNAs (miRNAs) are a set of small, non-protein-coding RNAs that regulate gene expression at the post-transcriptional level. We hypothesized that branching morphogenesis is partly regulated by miRNAs. Forty-four miRNAs and novel miRNA candidates were detected in SMG at embryonic day 13 by a cloning method combined with Argonaute-2 immunoprecipitation. MicroRNA21 (miR-21) expression in the mesenchyme was up-regulated and accelerated by epidermal growth factor, which is known to enhance branching morphogenesis in vitro. Down-regulation of miR-21 in the mesenchyme by locked nucleic acids was associated with a decrease in the number of epithelial buds. Relative quantification of candidates for target genes of miR-21 indicated that two messenger RNAs (for Reck and Pdcd4) were down-regulated in the mesenchyme, where miR-21 expression levels were up-regulated. These results suggest that branching morphogenesis is regulated by miR-21 through gene expression related to ECM degradation in the mesenchyme.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1095-564X
pubmed:author
pubmed:copyrightInfo
Copyright © 2011 Elsevier Inc. All rights reserved.
pubmed:issnType
Electronic
pubmed:day
15
pubmed:volume
352
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
299-307
pubmed:meshHeading
pubmed-meshheading:21295561-Animals, pubmed-meshheading:21295561-Base Sequence, pubmed-meshheading:21295561-DNA Primers, pubmed-meshheading:21295561-Down-Regulation, pubmed-meshheading:21295561-Epidermal Growth Factor, pubmed-meshheading:21295561-Extracellular Matrix, pubmed-meshheading:21295561-Gene Expression Regulation, Developmental, pubmed-meshheading:21295561-Mesoderm, pubmed-meshheading:21295561-Mice, pubmed-meshheading:21295561-Mice, Inbred ICR, pubmed-meshheading:21295561-MicroRNAs, pubmed-meshheading:21295561-Morphogenesis, pubmed-meshheading:21295561-Nucleic Acid Conformation, pubmed-meshheading:21295561-Oligonucleotides, pubmed-meshheading:21295561-Sequence Homology, Nucleic Acid, pubmed-meshheading:21295561-Submandibular Gland, pubmed-meshheading:21295561-Transfection, pubmed-meshheading:21295561-Up-Regulation
pubmed:year
2011
pubmed:articleTitle
Mesenchymal miR-21 regulates branching morphogenesis in murine submandibular gland in vitro.
pubmed:affiliation
Department of Pharmacology, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu 501–0296, Japan.
pubmed:publicationType
Journal Article, In Vitro, Research Support, Non-U.S. Gov't