“…Cell swelling induced by cellular uptake of ions and amino acids is important for completion of the cell cycle (Paris and Pouyssegur, 1986;Panet and Atlan, 2000;Amsler et al, 1985;Panet et al, 1986Panet et al, , 1994Berman et al, 1995;Bussolati et al, 1996;Bildin et al, 2000;Kim et al, 2001a,b,c;Shen et al, 2001a,b) and is accordingly involved in liver regeneration (Freeman et al, 1999(Freeman et al, , 2002. In addition, immunological performances of macrophages and the cellular susceptibility to chemical and thermal damage critically depend on the cellular hydration state and the availability of compatible organic osmolytes such as betaine, taurine and myoinositol (Shapiro and Dinarello, 1995;Wettstein and H€ aussinger, 1997;Saha et al, 1992;Zhang et al, 1995aZhang et al, ,b, 1996aWarskulat et al, 1997a;Denkert et al, 1998;Kurz et al, 1998;Wettstein et al, 1998;Schliess et al, 1999;Lordnejad et al, 2001;Reinehr et al, 2002a,b;Pingle et al, 2003, for reviews see Schliess and H€ aussinger, 2002;H€ aussinger et al, 1997a,b;Lang et al, 2000b).…”