A modified matrix perfusion-microcarrier bead cell culture system. I. Adaptation of the matrix perfusion system for growth of human foreskin fibroblasts

Abstract

Two strains of human foreskin fibroblast cells were incapable of sustained growth in a matrix perfusion culture system, possibly because of their inability to attach to the fiber surfaces. Addition of microcarrier beads to the extracapillary space allowed attaining high cell densities in excess of 10⁷ cells per culture unit. Microcarrier beads were tested in hollow fiber culture devices containing membranes of 10⁴ or 10⁵ D nominal porosities. Best results were obtained when initial cell densities of at least (2–3) × 10⁶ cells were used in units with 10⁵ D pore size membranes and DEAE–Sephadex or polyacryl‐amide microcarrier beads in the extracapillary space. This extension of the matrix perfusion system should be useful for growing other anchorage dependent cells while retaining the advantages of perfusion culture.