Table 3.

Pore cutoff size vs. effective permeability to BSA

Tumor cell line (n)	Pore cutoff size, nm	Permeability (×107 cm/sec)
HCa-I (5)*	380–550	2.06  ±  1.44 (1.60–3.99)
LS174T (6)*†	400–600	1.24  ±  0.45 (0.56–1.67)
ST-8 (5)*	550–780	3.73  ±  3.34 (1.67–9.28)
MCa IV (8)*	1,200–2,000	2.5  ±  1.5  (1.2–5.1)
MCa IV (6)§	380–550	1.9  ±  0.5  (1.3–2.5)
U87 (6)‡	7–100	3.8  ±  1.2  (2.4–5.0)

n, number of animals. 

^*Grown in dorsal chamber. 

^†Yuan et al. (16). 

^‡Grown in cranial window. 

^§Yuan et al. (12).