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Fig. 7

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ZDB-IMAGE-180207-27
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Figures for LeBert et al., 2018
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Fig. 7

Burn wounding impaired the formation of epithelial and collagen projections and wound healing.

(A) Burning of the caudal fin resulted in a striking absence of SHG fibers near the wound edge. (B) In contrast to the amputation assay, a large gap between the edge of the burned fin and the edge of the intact SHG fibers was observed at 24 hpw using a combination of SHG imaging and phalloidin staining, observed in two experiments. (C) Schematic of burn wound experiments and analysis. (D) Burn wounds displayed a significant reduction in epithelial projections at 24 hpw compared to transection wounds (p=0.0116; n = 3 replicate percentages: for amputation 108 larvae total and for burn 62 larvae total were scored over the three replicates, with 17 to 24 larvae per treatment per replicate; amputation 95% CI = 48.66% to 98.67%, burn 95% Ci = 2.21% to 30.46%). (E) Healing area was significantly reduced in the burn wounded larvae compared to amputated fins (p<0.0001, amputation n = 65 larvae, burn n = 58 larvae over three replicates, with 16 to 22 larvae per treatment per replicate; amputation 95% CI = 1750.47 to 2166.58, burn 95% CI = 497.69 to 939.76). (F) vim+ cells are present at the wound edge at 24 hpb, but the morphology is different compared to tail transection, as observed in two experiments. Scale bars represent 100 µm. *p<0.05, ****p<0.0001, error bars are standard deviation.

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