Table 3 Rodent models of VPA exposure.

From: Serotonin-related rodent models of early-life exposure relevant for neurodevelopmental vulnerability to psychiatric disorders

VPA dose

Exposure period

Rodent model

Behavioral phenotypes

References

500 mg/kg i.p.

G9, G12.5, or G14.5

ICR(CD1) mice

↓ Distance and Entries in the center (OF) (for G12.5, in both sexes)

Kataoka et al.137

   

↓ Time in open arms (EPM) (for G12.5, in both sexes)

 
   

↓ Social interaction (Sniffing) (for G12.5, in males)

 
   

↑ Social interaction (Sniffing) (for G12.5, in females)

 
   

↓ Spatial learning (MWM) (for G12.5)

 

800 mg/kg per os.

G11

Hybrid mice (C57BL/6, CF-1, Swiss, DBA/2)

↑ Latency to reach home bedding

Roullet et al.158

   

↓ Social behavior (Nose pokes)

 
   

↓ Social novelty (Nose pokes)

 

200 mg/kg s.c.

G12–G17

BALB/c mice

= No major effects (Negative geotaxis, Surface righting, Balance beam).

Wagner et al.133

   

↑ Delay (Surface and Mid-air righting) (in both sexes)

 

600 mg/kg s.c.

G13

 

↓ Latency to fall (Grip strength) (in both sexes)

 
   

↑ Locomotor activity

 
   

↓ Spatial learning (MWM) (in both sexes)

 

600 mg/kg s.c.

G12.5

Crl:Fcen:CF1 mice

↓ Juvenile play (Solicitations, sniffing, Following)

Campolongo et al.147, Acosta et al.167, Kazlaukas et al.162

   

↑ Self-grooming

 
   

↓ Alternation and distance (Y-maze, EPM, OF)

 
   

= No effects (Affiliative and Non-social behaviors, Odor habituation, NOR, Light-dark test)

 
   

↓ Social preference and interaction (Sniffing) (in males)

 
   

↑ Immobility time (TST, FST)

 
   

↓ Temporal Accuracy and Precision (Interval timing)

 

500 mg/kg i.p.

G12.5

C57BL/6J mice

↑ Marble burying

Wu et al.164

   

↓ Social interaction (time)

 
   

↓ Social preference (time)

 
   

↓ Learning (Negative Reinforcement Task)

 

600 mg/kg i.p.

G12.5

C57BL/6J mice

↑ Grooming and Digging time

Moldrich et al.145

   

↓ Social interaction (time, nose pokes, approaches)

 
   

↓ Olfactory motivation

 

600 mg/kg s.c.

G13

C57BL/6Hsd mice

↓ Entries and Time in the center (OF)

Mehta et al.138

   

↑ Self-grooming and Marble burying

 

800 mg/kg per os.

G9

Wistar rats

↓ Time of all pellet consumption and Exploration (Radial maze)

Narita et al.136

   

↑ Locomotor activity without anxiety effects (OF)

 
   

= No effects (Social interaction)

 

600 mg/kg i.p.

G9

Wistar rats

↑ Time spent in empty compartment, ↑ Crossings between social compartments, ↓ Initiation of social approaches

Dufour-Rainfray et al.149

800 mg/kg per gavage

G9

Wistar rats

↑ Locomotor activity (OF) (in light/sleep phase)

Tsujino et al.141

   

↑ Feeding (in light/sleep phase)

 

500 mg/kg i.p.

G11.5

Wistar Han rats

↑ Entries to the same arm (Y-maze)

Favre et al.160

   

↓ Social preference (sniffing)

 
   

↑ Freezing (Pavlovian fear conditioning)

 

600 mg/kg i.p.

G12.5

Wistar rats

↑ Latency to reach home bedding (olfactory discrimination in pups)

Schneider and Przewłocki134, Schneider et al.139,140,152

   

↓ Angle of swim (in pups)

 
   

↑ Locomotor and Stereotypic behavior (in both sexes)

 
   

↓ Exploratory activity (Rearing and hole poking)

 
   

↓ Entries and Time in open arms (EPM) (in males)

 
   

↓ Sensorimotor gating (PPI)

 
   

↓ Social play and Social exploration behavior (in males)

 
   

= No effects (NOR)

 

500 mg/kg i.p.

G12.5

Wistar Han rats

↑ Entries to the same arm (Y-maze)

Markram et al.142

   

↓ Time in open arms (EPM)

 
   

↓ Social interaction (sniffing, touching)

 
   

↓ Sensorimotor gating (PPI)

 
   

↑ Tone and Context memories, Generalization and Extinction (Fear conditioning)

 
   

= No effects (Locomotion, MWM)

 

500 mg/kg i.p.

G12.5

Wistar rats

↑ Time in closed arms (EPM) (in both sexes)

Edalatmanesh et al.146

   

↑ Repetitive behavior and ↓ Alternation behavior (Y-maze) (in both sexes)

 
   

↓ Play behavior, Social exploration and contact (in both sexes)

 
   

↑ Spatial learning and memory (MWM) (in both sexes)

 

400 mg/kg s.c.

G12.5

Wistar rats

↓ Time in open arms (EPM)

Ellenbroek et al.155

   

↑ Latency to feed (NSF)

 
   

↑ Sucrose consumption (Latent inhibition)

 
   

↓ Sensorimotor gating (PPI)

 

600 mg/kg i.p.

G12.5

Wistar rats

↓ Social exploration and preference

Bambini-Junior et al.143

   

↑ Alternation delay (Y-maze)

 
   

= No effects (MWM)

 

600 mg/kg i.p.

G12.5

Wistar rats

↓ Time in the center (OF) (in both sexes)

Olexová et al.156

400 mg/kg s.c.

G7, G9.5, G12 or G15

Sprague-Dawley rats

↓ Interaction to familiar and novel conspecifics (more robust for G12 exposure, in males)

Kim et al.150,159

   

↓ Social preference (in males)

 

500 mg/kg per gavage

G11–13

Sprague-Dawley rats

↓ Ultrasonic vocalizations (in both sexes)

Barrett et al.157

   

↓ Time in the center (OF) (in females)

 
   

↑ Baseline startle amplitude (in males)

 
   

↑ Startle response (after Fear conditioning) (in both sexes)

 
   

↓ Approach to a social stimulus (in both sexes)

 
   

↓ Novel social interaction (in males)

 

600 mg/kg i.p.

G12

Sprague-Dawley rats

↑ Freezing (Trace and Delay Fear conditioning)

Sui and Chen165

500 mg/kg i.p.

G12.5

Sprague-Dawley rats

↓ Time in the center (OF)

Lin et al.153

   

↓ Time in open arms (EPM)

 
   

↓ Social interaction (duration and frequency)

 
   

↑ Freezing (Contextual fear conditioning)

 

500 mg/kg i.p.

G12.5

Sprague-Dawley rats

↓ Ultrasonic vocalizations (in both sexes)

Gzielo et al.163

600 mg/kg i.p.

G12.5

Sprague-Dawley rats

↑ Delays in Surface and Air righting reflexes, Negative geotaxis, Cliff aversion, Crawling and Visual placing reflex

Hou et al.135

   

↓ Motor abilities (Swimming, Front limb suspension)

 
   

↑ Onset of auditory startle

 
   

↑ Self-grooming

 
   

↓ Center entries (OF)

 
   

↓ Social preference and interaction

 
   

↓ Novel social interaction

 
   

↓ Spatial learning (MWM)

 

500–600 mg/kg i.p.

G12.5

Sprague-Dawley rats

↑ Freezing (Fear conditioning)

Wang et al.166, Banerjee et al.154

   

↓ Entries and Distance traveled in the center (OF)

 
   

↓ Social interaction and Social visits

 
   

= No effects (NOR)

 

800 mg/kg per os.

G12

Long Evans rats

↓ Performance (T-maze) (in both sexes)

Mychasiuk et al.144

   

↑ Time in open arms (EPM) (in both sexes)

 
   

↑ Interaction to familiar object (NOR) (in both sexes)

 
   

↑ Performance (Whishaw tray reaching test) (in males)

 
   

↓ Performance (Whishaw tray reaching test) (in females)

 

600 mg/kg i.p.

G12

Long Evans rats

↓ Sniffing (in females)

McKinnell et al.148

   

↑ Self-grooming (in both sexes)

 
   

↑ Interaction to familiar object (NOR) (in males)

 
   

↓ Marble burying

 
   

↓ Performance (Set shifting task) (in both sexes, stronger effects in females)

 

800 mg/kg per os.

G12.5

Long Evans rats (females)

↓ Defensive rotation tactic and ↑ Standing tactic

Raza et al.161

   

↑ Frequency of Mounting, Head and Body shaking

 
   

↓ Ultrasonic vocalizations (at Social play)

 
   

= No effects (Playful attacks)

 

350 mg/kg i.p.

G13

Long Evans rats

↑ Social exploration and Play fighting (in adolescence)

Cohen et al.151

200–400 mg/kg s.c.

P14

BALB/c mice

= No effects (Grip strength, Balance beam, Locomotor activity) and ↑ Delay in Negative geotaxis and Mid-air righting

Wagner et al.133

   

↓ Spatial learning (MWM) and ↑ Latency (Passive avoidance)

 

400 mg/kg s.c.

P14

BALB/c mice

↓ Social behaviors (allogrooming, crawl under/over, sniffing)

Yochum et al.170

   

↓ Motor activity (in social environment)

 
   

↑ Locomotor activity

 

400 mg/kg s.c.

P14

C57BL/6J mice

↑ Time in open arms (EPM) (only in males)

Norton et al.169

   

↓ Reversal learning (Water Y-maze)

 
   

↑ Social aggressions (only in males)

 
   

= No effects (Locomotion, Social approach, PPI, Allogrooming, Sniffing)

 

300 mg/kg s.c.

P2–P4

Sprague-Dawley rats

↑ Exploration (OF) and ↓ Entries and Time in open arms (EPM)

Mony et al.171

(twice/day on P2–P3 and once at P4)

    
   

↓ Social preference and interaction (Ttime spent, Sniffing, Grooming, Mounting, Crawling)

 
   

= No effects (Passive avoidance)

 

150 mg/kg/day i.p.

P6–P20

Sprague-Dawley rats

↑ Delay in eye opening

Chomiak et al.168

   

↓ Social play (rough-and-tumble)

 
   

↑ Cue-dependent reward learning

 
  1. In the studies where both sexes were analyzed, the sex-specific effects observed are indicated.
  2. OF Open field, EPM Elevated plus maze, PPI Prepulse inhibition, MWM Morris water maze, NSF Novelty-suppressed feeding test, TST Tail suspension test, FST Forced-swim test, NOR Novel object recognition.