TABLE 4.

Some reported rate constants for exchange of sterols between lipid bilayer (donors) and other lipid bilayers or cyclodextrin (acceptors)

Exchanged molecule	Donor membrane	Acceptor membrane	kexchange (s−1)	T (K)	Reference
Cholesterol	Erythrocyte ghosts	eggPC, SUV	1.3 × 10−5	319	(19)
	PC-Chol-dicetylphosphate (65:20:15); SUV	PC-Chol (80:20); SUV	8.9 × 10−5	310	(20)
	eggPC-Chol (90:10); SUV	eggPC-Chol (90:10); SUV	1.6 × 10−4	310	(21)
	eggPC-Chol (94:6); SUV	eggPC-Chol (94:6); SUV	6.6 × 10−5	310	(22)
	eggPC-Chol (94:6); SUV	eggPC-Chol (94:6); LUV	7.5 × 10−5	310
	eggPC-Chol (94:6); LUV	eggPC-Chol (94:6); SUV	3.5 × 10−5	310
	eggPC-Chol (94:6); LUV	eggPC-Chol (94:6); LUV	3.6 × 10−5	310
	SpM-Chol (1:1); SUV	Rat liver microsomes	6.8 × 10−6	310	(23)
	PC-Chol (1:1); SUV	Rat liver microsomes	7.5 × 10−5	310
	POPC-Chol (99:1); SUV	POPC-Chol (99:1); SUV	2.5 × 10−4	310	(24)
	POPC-Chol (90:10); SUV	POPC-Chol (90:10); SUV	1.6 × 10−4	310
	POPC-Chol (80:20); SUV	POPC-Chol (80:20); SUV	1.3 × 10−4	310
	eggPC-Chol-Cerebroside (75:10:15); SUV	eggPC; LUV	1.2 × 10−4	310	(12)
	eggPC-Chol-Cerebroside (75:10:15); LUV	eggPC; LUV	5.0 × 10−5	310
	eggPC-Chol-Cerebroside (75:10:15); MLV	eggPC; LUV	1.6 × 10−5	310
	DPPC-POPG-Chol (80:15:5); LUV	Cyclodextrin	2.5 × 10−2 (78%)	310	(25)
			5.3 × 10−5 (22%)
	CHO-K1 cells	Cyclodextrin	4.6 × 10−2 (25%)	310	(26)
			5.5 × 10−4 (75%)
DHE	POPC-DHE (65:35); SUV	POPC-DHE (65:35)	3.6 × 10−4 (12.5%)	297	(6)
			4.9 × 10−5 (87.5%)
	POPC-DHE (99:1); SUV	POPC-POPG (85:15); SUV	7.7 × 10−4	298	(27)
			4.3 × 10−4
	POPC-DHE (65:35); SUV	POPC-DHE (65:35); SUV	3.9 × 10−4 (36%)	310	(8)
			1.0 × 10−4 (64%)
	POPC; SUV	Cyclodextrin	2.6 × 10−1	283	(45)
	POPC; LUV	Cyclodextrin	1.7 × 10−1	283