Table 1 Non-human studies on acid-sensitive channels and panic-like symptoms

From: The role of acid-sensitive ion channels in panic disorder: a systematic review of animal studies and meta-analysis of human studies

Study

Species

Strain

Sex

Weight

Acid channel

Control (n)

Panic (n)

Drugs

Area

F-value

p-value

Outcome

Almeida-Santos et al.24

Rats

Wistar

Male

220–240 g

TRPV1

9

7

Capsazepine

dlPAG

F (8,33) = 2.81

<0.05

Blockade of TRVP1 receptors in the dlPAG decreases escape responses in animals exposed to the ETM test

Batista et al.25

Rats

Wistar

Male

250–350 g

TRPV1

14

29

Arachidonoyl-serotonin

IV route

F (3,39) = 1.07

0.37

No effect of blockade on escape behavior

Casarotto et al.26

Rats

Wistar

Male

300–330 g

TRPV1

9

20

Capsazepine

dlPAG

F (3,25) = 16.58

<0.05

Capsazepine increases the threshold of electric current required to induce a panic-like response

dos Anjos et al.27

Rats

Wistar

Male

230–270 g

TRPV1

8

8

6-I-CPS

Ventromedial hypothalamus

NA

>0.05

Pretreatment with 6-I-CPS prevented escape behavior

Lisboa et al.28

Rats

Wistar

Male

230–270 g

TRPV1

35

22

Capsazepine

dlPAG

F (1,53) = 10.6

<0.005

Capsazepine reduced flight reactions

  1. TRPV1 transient receptor potential vanilloid receptor-1, 6-I-CPS 6-iodonordihydrocapsaicin, dlPAG dorsolateral periaqueductal gray, IV intravenous, ETM elevated T-maze, NA not available