- Title
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Shared Segment Analysis and Next-Generation Sequencing Implicates the Retinoic Acid Signaling Pathway in Total Anomalous Pulmonary Venous Return (TAPVR)
- Authors
- Nash, D., Arrington, C.B., Kennedy, B.J., Yandell, M., Wu, W., Zhang, W., Ware, S., Jorde, L.B., Gruber, P.J., Yost, H.J., Bowles, N.E., Bleyl, S.B.
- Source
- Full text @ PLoS One
rbp7a expression in the developing Zebrafish. rbp7a is strongly expressed within the dorsal forerunner cells (DFCs) and Kupffer’s vesicle (KV) in the developing zebrafish embryo: Panel A. 75% epiboly; Panel B. tailbud stage; Panel C. 8 somite stage. EXPRESSION / LABELING:
PHENOTYPE:
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Effects of rbp7a knockdown on zebrafish heart looping. Morpholino knockdown of rbp7a results in randomized heart looping. cmlc2 expression at 38 hpf is used to visualize heart looping. Panel A: normal, left-sided heart looping; Panel B: reversed, right-sided heart looping; Panel C: Reversed heart looping occurs in 2% of uninjected control (WT) embryos (n = 315) and 42% of rbp7a morphant (MO) embryos (n = 312). |
Morpholino knockdown of rbp7a results in perturbed spaw expression. Panel A: representative images showing, left-sided spaw expression, right sided spaw expression, bilateral spaw expression and no spaw expression. Panel B. spaw scoring in WT (blue bars) and rbp7a morphant (MO) embryos (purple bars). EXPRESSION / LABELING:
PHENOTYPE:
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KV cilia are shortened in rbp7a morphants. Panels A and B: Immunohistochemical staining of representative WT and morphant KV and cilia. Panel C: rbp7a morphants have shorter but not fewer KV cilia than WT embryos. * p<0.05. EXPRESSION / LABELING:
PHENOTYPE:
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rbp7a and spaw function together in left-right development. Panel A: Injection of rbp7a (blue bars) or spaw (purple bars) morpholinos at standard concentrations results in significantly altered spaw expression. Panel B: Injection of either morpholino at subthreshold doses (rbp7a: blue bars; spaw: purple bars) results in more normal left-sided spaw expression. However, co-injection of both morpholinos at subthreshold doses leads to significantly altered spaw expression, similar to the higher dose spaw morphants. EXPRESSION / LABELING:
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