Part 1 Biology of vascular smooth muscle cells: biology of the neointima, S.M. Schwartz; local regulation of vascular tone and growth, G. Noll et al; therapeutic strategies in the control of restenosis after angioplasty, J.R. McEwan; effect of chronic high- and low-dose ACE inhibitor treatment on cardiac and vascular hypertrophy and vascular function in spontaneously hypertensive rats, P. Gohlke et al. Part 2 Signal transduction pathways for vasoactive agents: transduction pathways for growth stimulatory and inhibitory actions of vasoactive agents, A.C. Newby et al; control of proliferation of glomerular cells in culture, R. Ardaillou; role of physical factors in the regulation of mesangial cell growth and the interaction with vaso-active agents, R.C. Harris et al; interaction between atrial natriuretic peptide and angiotensin II in cultured glomerular mesangial cells and its disturbance in diabetes, M. Haneda et al. Part 3 Vasoconstrictive substances - angiotensin II, endothelin, and others: regulation of renal tubular cell growth - effects of angiotensin II, G. Wolf; immortalized rat proximal tubule cell lines expressing components of the renin-angiotensin system, S.S. Tang et al; transgenic animals as models to study the regulation and functional role of the renin-angiotensin system, M. Paul et al; renin-angiotensin system - kidney growth and development, R.A. Gomez et al; response of early growth response genes to renal vasoconstriction, M.E. Rosenberg and T.H. Hostetter; internephron heterogeneity of growth factors and sclerosis, R. Tanaka et al; endothelin and renal disease progression, G. Remuzzi and A. Benigni; norepinephrine-induced proliferation of brown fat cell precursors, J. Nedergaard et al; regulation of mesangial cell proliferation by purinergic ligands, E. Schulzelohoff et al; role of transforming growth factor beta in diabetic nephropathy, F.N. Ziyadeh; opioids enhance mesangial cell proliferation and matrix synthesis, P.C. Singhal et al. (Part Contents).