LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells

Michael A. Bonaguidi, Tammy McGuire, Min Hu, Lixin Kan, Jayshree Samantha, John A. Kessler

Research output: Contribution to journalArticle

Abstract

Bone morphogenetic protein (BMP) and leukemia inhibitory factor (LIF) signaling both promote the differentiation of neural stem/progenitor cells into glial fibrillary acidic protein (GFAP) immunoreactive cells. This study compares the cellular and molecular characteristics, and the potentiality, of GFAP+ cells generated by these different signaling pathways. Treatment of cultured embryonic subventricular zone (SVZ) progenitor cells with LIF generates GFAP+ cells that have a bipolar/tripolar morphology, remain in cell cycle, contain progenitor cell markers and demonstrate self-renewal with enhanced neurogenesis - characteristics that are typical of adult SVZ and subgranular zone (SGZ) stem cells/astrocytes. By contrast, BMP-induced GFAP+ cells are stellate, exit the cell cycle, and lack progenitor traits and self-renewal - characteristics that are typical of astrocytes in the non-neurogenic adult cortex. In vivo, transgenic overexpression of BMP4 increases the number of GFAP+ astrocytes but depletes the GFAP+ progenitor cell pool, whereas transgenic inhibition of BMP signaling increases the size of the GFAP+ progenitor cell pool but reduces the overall numbers of astrocytes. We conclude that LIF and BMP signaling generate different astrocytic cell types, and propose that these cells are, respectively, adult progenitor cells and mature astrocytes.

Original languageEnglish (US)
Pages (from-to)5503-5514
Number of pages12
JournalDevelopment
Volume132
Issue number24
DOIs
StatePublished - Dec 2005
Externally publishedYes

Fingerprint

Leukemia Inhibitory Factor
Bone Morphogenetic Proteins
Glial Fibrillary Acidic Protein
Stem Cells
Astrocytes
Lateral Ventricles
Cell Cycle
Neural Stem Cells
Neurogenesis

Keywords

  • Astrocyte
  • Bone morphogenetic protein
  • GFAP
  • Glia
  • Leukemia inhibitory factor
  • Neural stem cell
  • Noggin

ASJC Scopus subject areas

  • Anatomy
  • Cell Biology

Cite this

Bonaguidi, M. A., McGuire, T., Hu, M., Kan, L., Samantha, J., & Kessler, J. A. (2005). LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells. Development, 132(24), 5503-5514. https://doi.org/10.1242/dev.02166

LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells. / Bonaguidi, Michael A.; McGuire, Tammy; Hu, Min; Kan, Lixin; Samantha, Jayshree; Kessler, John A.

In: Development, Vol. 132, No. 24, 12.2005, p. 5503-5514.

Research output: Contribution to journalArticle

Bonaguidi, MA, McGuire, T, Hu, M, Kan, L, Samantha, J & Kessler, JA 2005, 'LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells', Development, vol. 132, no. 24, pp. 5503-5514. https://doi.org/10.1242/dev.02166
Bonaguidi MA, McGuire T, Hu M, Kan L, Samantha J, Kessler JA. LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells. Development. 2005 Dec;132(24):5503-5514. https://doi.org/10.1242/dev.02166
Bonaguidi, Michael A. ; McGuire, Tammy ; Hu, Min ; Kan, Lixin ; Samantha, Jayshree ; Kessler, John A. / LIF and BMP signaling generate separate and discrete types of GFAP-expressing cells. In: Development. 2005 ; Vol. 132, No. 24. pp. 5503-5514.
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