FIGURE

Fig. 8

ID
ZDB-FIG-170309-23
Publication
Wircer et al., 2017 - Homeodomain protein Otp affects developmental neuropeptide switching in oxytocin neurons associated with a long-term effect on social behavior
Other Figures
All Figure Page
Back to All Figure Page
Fig. 8

Ablation of posterior tuberculum (PT) OXT neurons affects social preference.

(AC) Unilateral ablation of oxt:egfp cells using two-photon microscope. Region of interest for the targeted ablation of individual cells is outlined in red (A,B). Specimens were fixed 5 hr after ablation and were subjected to TUNEL staining (red) to detect apoptosis and verify lack of collateral damage to the surrounding cells/tissue (C). The ablated OXT neurons are marked by arrows (C). (DF) Representative images taken before (D) and three days after (E) ablation of PT OXT neurons (marked by a red rectangle). (F) Percentage of the change in OXT cell number after the ablation procedure in the PT region and in the non-ablated NPO area (n = 5). Paired sample t-test indicated that the reduction in number of OXT cells in the PT was significant [t(4)=3.738; **p=0.010] but not in the NPO [t(4)=0.559; p=0.303]. (GI) Graphs showing the analysis of visually mediated social preference (VMSP) test (see schemata in Figure 1E) comparing the place preference of PT OXT-ablated (n = 12) to non-ablated (n = 14) zebrafish. The time spent swimming in the social zone (G), non-social zone (H) and general locomotion (I; ‘distance moved’) were analyzed. (G) When comparing the ‘time in social zone’ between PT OXT ablated fish and non-ablated control, there is a trend for a difference in the second time bin (~p = 0.069) and a significant difference in the third time bin (*p=0.050). In addition, while the non-ablated group spends increasingly more time in the ‘social zone’ when compared to the first time bin (there is a significant main effect for ‘time’ in the non-ablated fish group (p=0.012); ##p≤0.01 for the 1st bin and #p≤0.05 for the second bin), no significant effect for ‘time’ was found for the PT OXT-ablated group (p=0.166). (H) Time spent in the ‘non-social zone’ did not differ between the groups [F(1,24)=0.212; p=0.649] and did not change throughout the test duration [F(2,48)=2.300; p=0.135]. (I) The total distance moved in the arena did not differ between the groups [F(1,24)=1.771; p=0.196] and did not change throughout the test duration [F(2,48)=0.010; p=0.969].

Expression Data
Gene:
Fish:
Conditions:
Anatomical Terms:
Stage Range: Day 6 to Days 7-13

Expression Detail
Antibody Labeling
Phenotype Data
Fish:
Conditions:
Observed In:
Stage Range: Day 6 to Adult

Phenotype Detail
Acknowledgments
This image is the copyrighted work of the attributed author or publisher, and ZFIN has permission only to display this image to its users. Additional permissions should be obtained from the applicable author or publisher of the image. Full text @ Elife