FIGURE

Figure 7

ID

ZDB-FIG-220515-7

Publication

Xu et al., 2022 - Knockout of Nur77 Leads to Amino Acid, Lipid, and Glucose Metabolism Disorders in Zebrafish

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Figure 7

Targeted expression of Nur77 in β cells restored β-cell number and insulin content in zebrafish. (A) Schematic representation of the Tg(Ins : Nur77; cmlc2:eGFP) transgenic line and the expression pattern. Expression of Nur77 was controlled by the zebrafish insulin promoter with cmlc2-driven eGFP used as an indication of transgene carriers. (B, C) Representative images (B) and quantification (C) of β-cell number in Tg(Ins:H2BmCherry), nur77^−/−;Tg(Ins:H2BmCherry), Tg(Ins : Nur77);Tg(Ins:H2BmCherry) and nur77^−/−; Tg(Ins : Nur77);Tg(Ins:H2BmCherry) zebrafish larvae. The number of larvae (n = 20~30). (D, E) Representative images (D) and quantification (E) of the insulin fluorescence intensity in β cells from Tg(gcg:eGFP), nur77^−/−;(gcg:eGFP), Tg(Ins : Nur77);Tg(gcg:eGFP) and nur77^−/−; Tg(Ins : Nur77);Tg(gcg:eGFP) zebrafish larvae. Tg(gcg:eGFP) was used to indicate the pancreatic α cell, and β cell are indicated with red fluorescence by immunostaining with insulin antibody (n = 12~15). (F) The total free glucose contents in Tg(gcg:eGFP), nur77^−/−;(gcg:eGFP), Tg(Ins : Nur77);Tg(gcg:eGFP) and nur77^−/−; Tg(Ins : Nur77);Tg(gcg:eGFP) zebrafish larvae (n = 3). ns, no significance; ^**p < 0.01, ^***p < 0.001 by one-way ANOVA.

Expression Data

Genes:	EGFP mCherry
Fish:	xmu202Tg nr4a1^{xmu201/xmu201}; ia1Tg; xmu202Tg
Anatomical Term:	pancreatic B cell
Stage:	Day 6

Expression Detail

Antibody Labeling

Phenotype Data

Fish:	nr4a1^{xmu201/xmu201}; ia1Tg; xmu202Tg nr4a1^{xmu201/xmu201}; vu513Tg; xmu202Tg
Observed In:	pancreatic B cell whole organism glucose
Stage:	Day 6

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 @ Front Endocrinol (Lausanne)