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Table 1 CS/DS disaccharide composition of cerebrovascular cells*

From: Chloroquine reduces arylsulphatase B activity and increases chondroitin-4-sulphate: implications for mechanisms of action and resistance

Composition (%)

ΔDi-0S

ΔDi-UA2S

ΔDi-6S

ΔDi-4S

ΔDi-diSD

ΔDi-diS

ΔDi-diSE

ΔDi-triS

CVC-cont-1

n.d.

8.5

84.3

7.2

n.d.

n.d.

n.d.

n.d.

CVC-1

n.d.

10.3

43.9

45.2

0.22

0.08

0.3

n.d.

CVC-cont-2

n.d.

7

90

3

n.d.

n.d.

n.d.

n.d.

CVC-2

n.d.

17.3

16.2

66

0.09

0.02

0.39

n.d.

CVC-cont-3

n.d.

8.1

84.9

7

n.d.

n.d.

n.d.

n.d.

CVC-3

n.d.

24.1

22.9

52.2

0.12

0.03

0.65

n.d.

  1. *CS = chondroitin sulphate; DS = dermatan sulphate; CVC = cerebrovascular cells; cont = control; CVC-1, CVC-2, CVC-3 = chloroquine-treated; n.d. = not detected
  2. DDi-0S: 2-acetamido-2-deoxy-3-O-(b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose
  3. DDi-4S: 2-acetamido-2-deoxy-4-O-sulphosulpho-3-O-(b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose
  4. DDi-6S: 2-acetamido-2-deoxy-6-O-sulpho-3-O-(b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose
  5. DDi-UA2S: 2-acetamido-2-deoxy-3-O-(2-O-sulpho-b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose
  6. DDi-diSB: 2-acetamido-2-deoxy-4-O-sulpho-3-O-(2-O-sulpho-b-D-xylo-hex-4-enopyranosyluronicacid)-D-galactose
  7. DDi-diSD: 2-acetamido-2-deoxy-6-O-sulpho-3-O-(2-O-sulpho-b-D-xylo-hex-4-enopyranosyluronicacid)-D-galactose
  8. DDi-diSE: 2-acetamido-2-deoxy-4,6-di-O-sulpho-3-O-(b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose
  9. DDi-triS: 2-acetamido-2-deoxy-4,6-di-O-sulpho-3-O-(2-O-sulpho-b-D-xylo-hex-4-enopyranosyluronic acid)-D-galactose acid)-D-galactose