Niche-relief conception for stem cells as a basis of biomimetic approach to bone and hemopoietic tissues engineering

Igor Albertovich Khlusov, N. M. Shevtsova, M. Yu Khlusova, K. V. Zaitsev, Yu P. Sharkeev, V. F. Pichugin, E. V. Legostaeva

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

An affect of relief features and quantitative parameters of model mineral matrix on in vitro structure-functional status of human lung prenatal stromal cells (HLPSC) and in vivo remodeling of mice bone/marrow system has been studied. According to data established, rough (Ra > 2 μm) implants with calcium phosphate micro-arc coatings simulate three-dimensional state of regenerating bone matrix. Such surfaces have own structure-functional sites (microregions) which were named by ≪niche - relief≫ and were necessary for maturation and differentiation of HLPSC to secreting osteoblasts. Maximum remodeling of mice bone/marrow system in heterotopic test in vivo was also observed under optimal parameters of osteogenic niche in vitro (approximately 43% average index of cellular alkaline phosphatase square to artificial microregion area). A probable cell-molecular mechanism of influence experimental 3D-modeling of bone surface on selection of quiescent or active state by endosteal niche has been detected. It connects with activating cellular production of bone matrix components (alkaline phosphatase, osteocalcin, collagen, calcium phosphates) that dissociate dimensionally stromal and hemopoietic elements, and with parallel diminishing TNFα secretion in intercellular medium. The data obtained develop our previous speculations about existence and sizes of artificial endosteal niche for osteogenic differentiation of multipotent mesenchimal stromal cells.

Original languageEnglish
Pages (from-to)55-64
Number of pages10
JournalCellular Transplantation and Tissue Engineering
Volume6
Issue number2
Publication statusPublished - 1 Dec 2011

Fingerprint

Biomimetics
Tissue Engineering
Stromal Cells
Bone Matrix
Stem Cells
Bone and Bones
Alkaline Phosphatase
Bone Marrow
Calcium Phosphates
Lung
Osteocalcin
Osteoblasts
Minerals
Collagen
In Vitro Techniques

Keywords

  • Alkaline phosphatase
  • Calcium phosphate coatings
  • Cell culture
  • Cytokines
  • Heterotopic test
  • Implant
  • Mice
  • Microterritories
  • Osteocalcin

ASJC Scopus subject areas

  • Surgery
  • Transplantation

Cite this

Niche-relief conception for stem cells as a basis of biomimetic approach to bone and hemopoietic tissues engineering. / Khlusov, Igor Albertovich; Shevtsova, N. M.; Khlusova, M. Yu; Zaitsev, K. V.; Sharkeev, Yu P.; Pichugin, V. F.; Legostaeva, E. V.

In: Cellular Transplantation and Tissue Engineering, Vol. 6, No. 2, 01.12.2011, p. 55-64.

Research output: Contribution to journalArticle

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