The invasion capacity from serum free towards serum containing medium through extracellular matrix gel and 8 µm pore membrane was analysed using the Millipore Colorimetric Migration Assay on 24-well plates (BD Falcon, Franklin Lakes, NJ, USA).
Thus, the newly developed alginate-FG gel membrane coated HPMC matrices are appropriate for intragastric delivery of QF over a prolonged period of time with greater therapeutic benefits.
The alginate-AG gel membrane enveloped optimized matrices (F-O, coated) exhibited superior buoyancy, better ex vivo mucoadhesion and slower drug release rate.
Novel alginate-fenugreek gum (FG) gel membrane coated hydroxypropylmethylcellulose (HPMC) based matrix tablets were developed for intragastric quetiapine fumarate (QF) delivery by combining floating and swelling mechanisms.
Membranes were coated with extracellular matrix gel (Engelbreth-Holm-Swarm murine sarcoma, Sigma Co., MI) that was diluted 1∶6 with RPMI with and without 200 mM methyl sulfone.
Thus, the newly developed alginate-AG gel membrane coated alginate-GG modified MMT composite matrices are appropriate for intragastric delivery of FLU over an extended period of time with improved therapeutic benefits.
For invasion assay, the membrane undersurface was coated with 30 μl ECM (Extracellular matrix) gel from Engelbreth-Holm-Swarm mouse sarcoma (BD Biosciences, Bedford, MA, USA) mixed with RPMI-1640 serum free medium in 1 5 dilution for 4 h at 37 °C.
Novel alginate-arabic gum (AG) gel membrane coated alginate-ghatti gum (GG) modified montmorillonite (MMT) composite matrices were developed for intragastric flurbiprofen (FLU) delivery by combining floating and mucoadhesion mechanisms.
The ability of MKN-28 cells to migrate through an insert membrane was also significantly inhibited by miR-133b, and cell invasion through the extracellular matrix gel was also reduced by miR-133b.
For the cell invasion assay, the polycarbonate membranes of the upper compartment of the chambers were pre-coated with a matrix gel.
