An update on niche composition, signaling and functional regulation of the adipose-derived stem cells

Won Serk Kim, Juhee Han, Sung Joo Hwang, Jong Hyuk Sung

Research output: Contribution to journalReview article

16 Citations (Scopus)

Abstract

Introduction: The self-renewal and differentiation of stem cells are controlled by both intrinsic factors and the surrounding microenvironment, which is known as the stem cell niche. Although the niches of adipose-derived stem cells (ASCs) are composed of diverse factors within the adipose tissue, the mechanisms by which niches are maintained, regulated and harmonized to support the ASCs are just beginning to be discovered.Areas covered: This review introduces the recent advances in the anatomic nature of the dynamic in vivo niches of ASCs. Additionally, new findings concerning the signaling pathways involved in the self-renewal, proliferation, differentiation and paracrine mechanisms will be described. Finally, we suggest optimized methods for expanding ASCs in vitro by mimicking the niche factors to enhance the regenerative potential of ASCs.Expert opinion: Fibroblast growth factor 2 is a self-renewal factor that can expand the lifespan of ASCs in long-term culture and platelet-derived growth factor-B/D has most potent mitogenic effects on short-term ASC expansion. Reactive oxygen species donors and stimulators of the phosphoinositide 3-kinase/protein kinase B and MAPK pathways can be used to increase the production yield of ASCs. Additionally, hypoxia can increase the proliferation of ASCs and priming under hypoxic conditions enhances the regenerative potential of ASCs.

Original languageEnglish
Pages (from-to)1091-1102
Number of pages12
JournalExpert Opinion on Biological Therapy
Volume14
Issue number8
DOIs
Publication statusPublished - 2014 Aug

Fingerprint

Stem cells
Stem Cells
Chemical analysis
Proto-Oncogene Proteins c-sis
Stem Cell Niche
Proto-Oncogene Proteins c-akt
Intrinsic Factor
1-Phosphatidylinositol 4-Kinase
Expert Testimony
Fibroblast Growth Factor 2
Adipose Tissue
Phosphatidylinositols
Reactive Oxygen Species
Cell culture
Tissue

All Science Journal Classification (ASJC) codes

  • Pharmacology
  • Drug Discovery
  • Clinical Biochemistry

Cite this

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An update on niche composition, signaling and functional regulation of the adipose-derived stem cells. / Kim, Won Serk; Han, Juhee; Hwang, Sung Joo; Sung, Jong Hyuk.

In: Expert Opinion on Biological Therapy, Vol. 14, No. 8, 08.2014, p. 1091-1102.

Research output: Contribution to journalReview article

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