Northern blot analysis of CTGF in normal human tissues. Human multiple tissue blots were probed with CTGF complementary RNA and exposed to Biomax film for 2 hr at −80°C. (A) Lanes 1–8 are as follows: 1, heart; 2, brain; 3, placenta; 4, lung; 5, liver; 6, skeletal muscle; 7, kidney; and 8, pancreas. (B) Lanes 1–8: 1, spleen; 2, thymus; 3, prostate; 4, testis; 5, ovary; 6, small intestine; 7, colon; and 8, peripheral blood leukocyte.