ZFIN Image: Ulloa et al., 2021, Fig. 7

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Figure Caption

Fig. 7

Depletion of HSCs has a negligible impact on granulocyte frequency

(A) Fluorescent images of drl:CFP-NTR (A?), lyz:dsRed (marking myeloid cells) (A??), and merged (A???) at 2 dpf showing minimal co-expression. Scale bars, 500 ?m. White arrow marks lyz:dsRed single-positive granulocyte, and yellow arrowhead marks drl:CFP-NTR single-positive cell; 1.75� inset in (A????).

(B) Experimental schema of the NTR/MTZ system.

(C) Fluorescent images of Tg(drl:CFP-NTR⁺;lyz:dsRed⁺) and Tg(lyz:dsRed⁺) embryos treated with either 1% DMSO or 10 mM MTZ, shown at 2 and 4 dpf (0 and 2 dpM, respectively). Yellow arrowhead showing stationary cells in the CHT region. Scale bars, 500 ?m.

(D) Quantification of lyz:dsRed fluorescence CTCF levels in Tg(drl:CFP-NTR⁺;lyz:dsRed⁺) and Tg(lyz:dsRed+) embryos treated with 10 mM MTZ or 1% DMSO (n = 16?45).

(E) Flow cytometry plots of lyz:dsRed and FITC (autofluorescence control) in untreated negative controls (black); Tg(drl:CFP-NTR;lyz:dsRed) + 1% DMSO (purple); Tg(lyz:dsRed) + 10 mM MTZ (light blue); and Tg(drl:CFP-NTR;lyz:dsRed) + 10 mM MTZ (red).

(F) Quantification of lyz:dsRed% from flow cytometry experiments (E) in treated and control groups (n = 4?14 samples, 7?10 pooled larvae per sample).

Two-way ANOVA with Tukey?s multiple comparisons test was used for all statistical analyses. Plots are individual data points for each biological replicate with mean � SEM. ns, not significant; *p < 0.05; ****p ? 0.0001.

Acknowledgments

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