Table 2 Corticosterone levels in germ-free (GF) rodents

Corticosterone

Mouse

Taconic Farms

C57BL/6N

Both

N/A

9–10 weeks

Serum

9:00–11:00

Baseline

N/A

No change

26218677

Taconic Farms

C57BL/6N

Both

N/A

9–10 weeks

Serum

9:00–11:00

Maternal separation

N/A

Increase

26218677

–

Swiss-Webster

Both

Sodium dodecyl sulphate diets 801,010

6–9 weeks

Plasma

N/A

Baseline

N/A

No change

22688187

–

Swiss-Webster

Both

Sodium dodecyl sulphate diets 801,010

6–9 weeks

Plasma

N/A

Novel cage for 30 min

Immediately after stress

Increase

22688187

Taconic Farms

Swiss/NIH

Both

N/A

6–8 weeks

Plasma

7:00–8:00

Baseline

N/A

Increase

32573321

Taconic Farms

Swiss-Webster

Female

N/A

8 weeks

Plasma

N/A

48 h after arrival

N/A

Increase

21054680

Taconic Farms

C57BL/6

Female

N/A

10–11 weeks

Plasma

8:00–14:00

Baseline

N/A

Increase

32391630

Taconic Farms

C57BL/6

Female

N/A

10–11 weeks

Plasma

8:00–14:00

Restraint stress for 15 min

Immediately after stress, 45 min

No change

32391630

CLEA Japan

BALB/c

Female

N/A

Adult

Plasma

N/A

Restraint stress for 1 h

Before, 1, 12 h

Increase (1 and 12 h)

11282153

CLEA Japan

C57BL/6

Male

N/A

4–8 weeks

Feces

10:00–11:00

Baseline

4.5–8 weeks

Decrease

30680708

Taconic Farms

C57BL/6N

Male

N/A

8 weeks

Plasma

N/A

Baseline

N/A

Increase

30675019

CLEA Japan

IQI/Jic

Male

CMF

8–9 weeks

Serum

N/A

LPS

Before, 0.5, 1, 2, 3, 4, 12 h

Increase (0.5, 1, 2, 12 h)

10427685

Jackson Laboratory

C57BL/6J

Male

5053 PicoLab Rodent Diet

11–15 weeks

Serum

13:00–17:00

Novel cage for 5 min

60 min

Increase

34194038

Jackson Laboratory

C57BL/6J

Male

5053 PicoLab Rodent Diet

11–15 weeks

Serum

13:00–17:00

Novel cage + Social interactio for 5 min

60 min

Increase

34194038

Taconic Farms

C57BL/6

Male

N/A

10–11 weeks

Plasma

8:00–14:00

Baseline

N/A

Increase

32391630

Taconic Farms

C57BL/6

Male

N/A

10–11 weeks

Plasma

8:00–14:00

Restraint stress for 15 min

Immediately after stress, 45 min

Increase (immeidately after stress)

32391630

CLEA Japan

BALB/c

Male

N/A

9 weeks

Plasma

N/A

Restraint stress for 1 h

Before,1, 1.5, 2, 2.5, 3 h

Increase (except before)

15133062

CLEA Japan

BALB/c

Male

N/A

9 weeks

Plasma

N/A

Ether

Before, 0, 0.5, 1, 1.5, 2 h

No change

15133062

Czech Academy of Sciences

BALB/c

Male

Altromin 1414

9 weeks

Plasma

9:00–13:00

Baseline

N/A

N/D

31798585

Czech Academy of Sciences

BALB/c

Male

Altromin 1414

9 weeks

Plasma

9:00–13:00

Restraint stress for 2 h

Immediately after stress

Increase

31798585

Czech Academy of Sciences

BALB/c

Male

Altromin 1414

9–13 weeks

Ex vivo intestine

13:00–17:00

anti-CD3

N/A

Decrease

33921780

Rat

Anaxem

F344

Male

R03

11–13 weeks

Serum

N/A

Baseline

N/A

No change

24636517

Anaxem

F344

Male

R03

11–13 weeks

Serum

10:00–16:00

Open-field test

Immediately after stress

Increase

24636517

Charles River

F344

Male

NMF

8 and 40 weeks

Serum

9:30–11:30

Baseline and aging

N/A

Increase

7266076

Zentralinstitut für Kunstgeschichte

F344

Female

N/A

130–180 g

Plasma

N/A

IL-1alpha

60 min

No change

8403498

Zentralinstitut für Kunstgeschichte

F344

Female

N/A

140–180 g

Plasma

N/A

Adjuvant arthritis

18 days

Increase

8033416