Transient brown adipocyte-like cells derive from peripheral nerve progenitors in response to bone morphogenetic protein 2

Elizabeth Salisbury, Zawaunyka W. Lazard, Eroboghene E. Ubogu, Alan R. Davis, Elizabeth A. Olmsted-Davis

Research output: Contribution to journalArticle

25 Citations (Scopus)

Abstract

Perineurial-associated brown adipocyte-like cells were rapidly generated during bone morphogenetic protein 2 (BMP2)-induced sciatic nerve remodeling in the mouse. Two days after intramuscular injection of transduced mouse fibroblast cells expressing BMP2 into wild-type mice, there was replication of beta-3 adrenergic receptor+(ADRB3+) cells within the sciatic nerve perineurium. Fluorescence-activated cell sorting and analysis of cells isolated from these nerves confirmed ADRB3+ cell expansion and their expression of the neural migration marker HNK1. Similar analysis performed 4 days after BMP2 delivery revealed a significant decrease in ADRB3+ cells from isolated sciatic nerves, with their concurrent appearance within the adjacent soft tissue, suggesting migration away from the nerve. These soft tissue-derived cells also expressed the brown adipose marker uncoupling protein 1 (UCP1). Quantification of ADRB3- specific RNA in total hind limb tissue revealed a 3-fold increase 2 days after delivery of BMP2, followed by a 70-fold increase in UCP1-specific RNA after 3 days. Expression levels then rapidly returned to baseline by 4 days. Interestingly, these ADRB3+ UCP1+ cells also expressed the neural guidance factor reelin. Reelin+ cells demonstrated distinct patterns within the injected muscle, concentrated toward the area of BMP2 release. Blocking mast cell degranulation-induced nerve remodeling resulted in the complete abrogation of UCP1-specific RNA and protein expression within the hind limbs following BMP2 injection. The data collectively suggest that local BMP2 administration initiates a cascade of events leading to the expansion, migration, and differentiation of progenitors from the peripheral nerve perineurium to brown adipose-like cells in the mouse, a necessary prerequisite for associated nerve remodeling.

Original languageEnglish (US)
Pages (from-to)874-885
Number of pages12
JournalStem cells translational medicine
Volume1
Issue number12
DOIs
StatePublished - 2012
Externally publishedYes

Fingerprint

Brown Adipocytes
Bone Morphogenetic Protein 2
Peripheral Nerves
Sciatic Nerve
RNA
Adrenergic beta-3 Receptors
Extremities
Cell Degranulation
Intramuscular Injections
Mast Cells
Flow Cytometry
Fibroblasts
Neurons

Keywords

  • Adult stem cells
  • Beta-3 adrenergic receptor
  • Bone
  • Bone morphogenetic protein 2
  • Brown fat
  • Cell migration
  • Gene delivery systems in vivo or in vitro
  • Perineurium
  • Peripheral nerves
  • Reelin

ASJC Scopus subject areas

  • Cell Biology
  • Developmental Biology
  • Medicine(all)

Cite this

Transient brown adipocyte-like cells derive from peripheral nerve progenitors in response to bone morphogenetic protein 2. / Salisbury, Elizabeth; Lazard, Zawaunyka W.; Ubogu, Eroboghene E.; Davis, Alan R.; Olmsted-Davis, Elizabeth A.

In: Stem cells translational medicine, Vol. 1, No. 12, 2012, p. 874-885.

Research output: Contribution to journalArticle

Salisbury, Elizabeth ; Lazard, Zawaunyka W. ; Ubogu, Eroboghene E. ; Davis, Alan R. ; Olmsted-Davis, Elizabeth A. / Transient brown adipocyte-like cells derive from peripheral nerve progenitors in response to bone morphogenetic protein 2. In: Stem cells translational medicine. 2012 ; Vol. 1, No. 12. pp. 874-885.
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