URB expression in human bone marrow stromal cells and during mouse development

Yi Liu, Massimiliano Monticone, Laura Tonachini, Maddalena Mastrogiacomo, Valeria Marigo, Ranieri Cancedda, Patrizio Castagnola

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Seven genes preferentially expressed in undifferentiated human bone marrow stromal cells (BMSC) with respect to BMSC-derived osteoblasts were previously identified by differential display. Here we characterize the expression of one of these genes, URB, belonging to the sushi-repeat-containing protein superfamily. In culture, URB is expressed in both human primary and cloned BMSC, and is drastically downregulated during osteoblastic differentiation of these cells. Here we show that in mouse tissues a single 3.8 kb Urb transcript is detected and that the mouse Urb protein is secreted as a 150 kDa glycoprotein. During mouse development Urb RNA is barely detectable in 9 dpc embryos and increases at later stages. Both in situ hybridization and immunohistochemistry analysis show Urb expression in mouse embryos starting from 14 dpc mostly in cartilage. The temporal and spatial expression pattern of Urb suggests its role in mouse skeletogenesis.

Original languageEnglish
Pages (from-to)497-507
Number of pages11
JournalBiochemical and Biophysical Research Communications
Volume322
Issue number2
DOIs
Publication statusPublished - Sep 17 2004

Fingerprint

Mesenchymal Stromal Cells
Bone
Genes
Embryonic Structures
Osteoblasts
Cartilage
Glycoproteins
Display devices
Cells
RNA
Tissue
In Situ Hybridization
Cell Differentiation
Down-Regulation
Immunohistochemistry
Gene Expression
Proteins

Keywords

  • BMSC
  • Cartilage
  • Extracellular matrix
  • Hypertrophic chondrocyte
  • Skeletogenesis
  • Sushi-repeat-containing protein
  • Urb

ASJC Scopus subject areas

  • Biochemistry
  • Biophysics
  • Molecular Biology

Cite this

URB expression in human bone marrow stromal cells and during mouse development. / Liu, Yi; Monticone, Massimiliano; Tonachini, Laura; Mastrogiacomo, Maddalena; Marigo, Valeria; Cancedda, Ranieri; Castagnola, Patrizio.

In: Biochemical and Biophysical Research Communications, Vol. 322, No. 2, 17.09.2004, p. 497-507.

Research output: Contribution to journalArticle

Liu, Yi ; Monticone, Massimiliano ; Tonachini, Laura ; Mastrogiacomo, Maddalena ; Marigo, Valeria ; Cancedda, Ranieri ; Castagnola, Patrizio. / URB expression in human bone marrow stromal cells and during mouse development. In: Biochemical and Biophysical Research Communications. 2004 ; Vol. 322, No. 2. pp. 497-507.
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