Objective To inveqtigate the expression of caveolin-1 in brain, heart, kidney and blood vessel in the experimental renovascular hypertension in RHRsp rats. Methods Renovascular model of hypertension(RHRsp) was established by partly narrowing of two bilateral renal arteries in SD rats. The rats were divided into two groups at random. ( 1 ) control sham operation group( n=40 ) ; ( 2 ) hyperten- sion group(n=40). The expression of caveolin-1 were determined by Western blot. Results The expression of caveolin-1 was decreased significantly...