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Table 1 Ex vivo biodistribution (percentage of injected dose per gram of tissue) of 68Ga-FOL at 30 min post-injection in rats with fDTH-EAE after treatment with EC2319 or saline

From: Efficacy and tolerability of folate-aminopterin therapy in a rat focal model of multiple sclerosis

Organ

Day 14

Day 90

EC2319 (n = 8)

Saline (n = 8)

P value

Treatment effect

EC2319 (n = 10)

Saline (n = 10)

P value

Treatment effect

Adrenal glands

0.24 ± 0.04

0.25 ± 0.03

0.83

↓

0.16 ± 0.04

0.20 ± 0.05

0.05

↓

Blood

0.03 ± 0.01

0.014 ± 0.002

0.003

↑

0.06 ± 0.03

0.03 ± 0.03

0.03

↑

Brain

0.020 ± 0.004

0.011 ± 0.003

< 0.001

↑

0.02 ± 0.01

0.02 ± 0.01

0.46

↑

Heart

0.12 ± 0.02

0.19 ± 0.06

0.02

↓

0.09 ± 0.02

0.09 ± 0.02

0.95

↑

Kidneys

12.80 ± 2.02

6.71 ± 1.34

< 0.001

↑

8.21 ± 3.21

8.51 ± 1.99

0.81

↓

Liver

0.30 ± 0.05

0.47 ± 0.13

0.007

↓

0.22 ± 0.09

0.23 ± 0.06

0.74

↓

Lungs

0.14 ± 0.02

0.17 ± 0.05

0.11

↓

0.11 ± 0.02

0.12 ± 0.02

0.30

↓

Lymph node

1.00 ± 0.17

0.92 ± 0.13

0.30

↑

0.75 ± 0.22

0.95 ± 0.22

0.05

↓

Muscle

0.07 ± 0.01

0.09 ± 0.02

0.01

↓

0.05 ± 0.02

0.07 ± 0.02

0.09

↓

Pancreas

0.26 ± 0.04

0.38 ± 0.09

0.006

↓

0.20 ± 0.06

0.24 ± 0.06

0.26

↓

Plasma

0.05 ± 0.01

0.03 ± 0.02

0.05

↑

0.08 ± 0.03

0.06 ± 0.04

0.17

↑

Salivary gland

ND

ND

ND

ND

0.61 ± 0.33

0.82 ± 0.20

0.11

↓

Skin

0.26 ± 0.10

0.14 ± 0.05

0.02

↑

0.15 ± 0.04

0.17 ± 0.03

0.32

↓

Skull

0.08 ± 0.02

0.09 ± 0.02

0.48

↓

0.06 ± 0.03

0.06 ± 0.02

0.82

↓

Small intestine

0.44 ± 0.09

0.52 ± 0.11

0.1

↓

0.30 ± 0.08

0.37 ± 0.10

0.10

↓

Spleen

0.92 ± 0.32

1.52 ± 0.38

0.004

↓

0.56 ± 0.31

0.91 ± 0.39

0.04

↓

Urine

3.01 ± 2.69

2.35 ± 0.98

0.53

↑

7.22 ± 5.62

9.66 ± 12.70

0.59

↓

White adipose

0.05 ± 0.02

0.07 ± 0.02

0.04

↓

0.031 ± 0.01

0.035 ± 0.01

0.27

↓

  1. Results are means ± SDs
  2. ND not determined