Figure 3. Expression pattern of transcription factors Hey1 and Irf1 in the developing endoderm. a: Transverse section through anterior endoderm at NF32 showing expression of hey1 restricted to the outer periphery of the endoderm. b: Expression of hey1 is more diffuse within the endoderm of the NF36 embryo, transverse section. c: NF44 whole gut showing expression of hey1 throughout the stomach, liver and pancreas. d: Transverse section through anterior endoderm at NF32 showing expression of irf1 throughout the entire endoderm. e: Transverse section at NF36 shows restricted expression of irf1 along the dorsolateral endoderm. f: NF44 whole gut showing expression of irf1 throughout the stomach, liver, pancreas and in the intestine. dle, dorsolateral endoderm; ve, ventral endoderm; e, endoderm; l, liver; st, stomach; p, pancreas. Reproduced with permission of the Publisher, John Wiley & Sons.
Image published in: Bilogan CK and Horb ME (2012)
Copyright © 2012. Image reproduced with permission of the Publisher, John Wiley & Sons.
| Gene | Synonyms | Species | Stage(s) | Tissue |
|---|---|---|---|---|
| hey1.L | bc8, chf2, herp2, hesr1, hrt-1, hrt1, oaf1, XHRT1 | X. laevis | Throughout NF stage 32 | dorsal endoderm endoderm |
| irf1.L | X. laevis | Sometime during NF stage 32 to NF stage 35 and 36 | dorsal endoderm endoderm | |
| hey1.L | bc8, chf2, herp2, hesr1, hrt-1, hrt1, oaf1, XHRT1 | X. laevis | Throughout NF stage 44 | pancreas stomach liver alimentary system |
| irf1.L | X. laevis | Throughout NF stage 44 | pancreas stomach liver alimentary system intestine |
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