Xenopus laevis oocytes, eggs and tadpoles contain immunoactive insulin.

@article{Pablo1994XenopusLO,
  title={Xenopus laevis oocytes, eggs and tadpoles contain immunoactive insulin.},
  author={Flora de Pablo and Roger A Dashner and Alan R. Shuldiner and Judith Roth},
  journal={The Journal of endocrinology},
  year={1994},
  volume={141 1},
  pages={123-9}
}
Insulin is a multifunctional polypeptide hormone that regulates metabolic processes and promotes mitogenesis and differentiation in vitro in the cells and tissues of several species. Its role in vivo during embryogenesis is still poorly understood. We have previously found insulin mRNA in mature Xenopus laevis oocytes and in embryos during neurulation… CONTINUE READING