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Gene-activated matrix (GAM) is a matrix, such as collagen-containing plasmid vector, that encodes a protein to stimulate tissue regeneration. In the original GAM system, gene transfer efficiency was extremely low. We have recently reported that modifying GAM with calcium-phosphate precipitates (CaP) enhances the efficiency of gene transfer. The purpose of(More)
A novel anti-mucin monoclonal antibody (mAb), designated RGM23, was developed against mucin purified from rat gastric mucosa. RGM23 reacted with the mucin attached to the ELISA well. The reactivity was lost by trypsin treatment, but not by periodate oxidation, indicating that RGM23 recognizes the peptide moiety of the mucin molecule. Histochemical study(More)
Electron probe analysis has shown that the high Cl and K contents of smooth muscle reflect the generalized cytoplasmic distribution of these elements and are not due to sequestration in organelles. These findings, in agreement with other studies, indicate that ECl is less and EK more negative than the membrane potential. The susceptibility of cellular Na(More)