Modulation of keratin in adhesion, proliferation, adipogenic, and osteogenic differentiation of porcine adipose-derived stem cells

Yen Lin Wu, Che Wei Lin, Nai Chen Cheng, Kai Chiang Yang, Jiashing Yu

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Recently, keratin attracts tremendous interest because of its intrinsic ability to interact with different cells. It has the potential to serve as a controllable extracellular matrix protein that can be used to demonstrate cell mechanism and cell-matrix interaction. However, there have been relatively few studies on the effects of keratin on stem cells. In the present work, we study the effects of human keratin on porcine adipose-derived stem cells (pASCs) and a series of selective cell lines: 3T3 fibroblasts, Madin-Darby canine kidney (MDCK) cells, and MG63 osteoblasts. Relative to un-treated culture plate, our results showed that keratin coating substrates promote cell adhesion and proliferation to above cell lines. Keratin also improved pASCs adhesion, proliferation, and enhanced cell viability. Evaluation of genetic markers showed that adipogenic and osteogenic differentiations of pASCs can be successfully induced, thus demonstrating that keratin did not influence the stemness of pASCs. Furthermore, keratin improved adipogenic differentiations of pASCs in terms of up-regulations in lipoprotein lipase, peroxisome proliferator-activated receptor gamma, and CCAAT-enhancer-binding protein alpha. The osteogenic markers type I collagen, runt-related transcription factor 2, and vitamin D receptor were also upregulated when pASCs cultured on keratin substrates. Therefore, keratin can serve as a biological derived material for surface modification and scaffold fabrication for biomedical purpose. The combination of keratin with stem cells may be a potential candidate for tissue repair in the field of regenerative medicine.

Original languageEnglish
Pages (from-to)180-192
JournalJournal of Biomedical Materials Research - Part B Applied Biomaterials
Volume105
Issue number1
DOIs
Publication statusPublished - Jan 1 2017

Fingerprint

Keratin
Keratins
Stem cells
Adhesion
Modulation
Cell adhesion
Cells
CCAAT-Enhancer-Binding Protein-alpha
Lipoproteins
Calcitriol Receptors
Transcription factors
Lipoprotein Lipase
Extracellular Matrix Proteins
PPAR gamma
Vitamins
Osteoblasts
Lipases
Cell proliferation
Substrates
Fibroblasts

Keywords

  • Adhesion
  • Differentiation
  • Keratin
  • Porcine adipose stem cell

ASJC Scopus subject areas

  • Biomaterials
  • Biomedical Engineering

Cite this

Modulation of keratin in adhesion, proliferation, adipogenic, and osteogenic differentiation of porcine adipose-derived stem cells. / Wu, Yen Lin; Lin, Che Wei; Cheng, Nai Chen; Yang, Kai Chiang; Yu, Jiashing.

In: Journal of Biomedical Materials Research - Part B Applied Biomaterials, Vol. 105, No. 1, 01.01.2017, p. 180-192.

Research output: Contribution to journalArticle

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