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  • Reactive Oxygen Species during planarian regeneration    (Francesc Cebrià)
    Reactive Oxygen Species have been implicated in multiple cellular processes. A disturbed redox balance has been associated to cancer and neurodegenerative diseases. On the other hand, redox signalling may also positively modulate some important processes such as immune response, neurological functioning and wound healing. Recently, some papers have shown that ROS play an important role … Continue reading →
  • The immune system and brain regeneration in earthworms    (Francesc Cebrià)
    Among the few animals that can regenerate a whole brain, freshwater planarians and some annelids are well-studied models, although our knowledge on how this process is achieved at the molecular level is much more limited in annelids. Now, a recent paper from the laboratory of Barbara Plytycz reports on the role that the immune system … Continue reading →
  • Senescence and regeneration in salamanders    (Francesc Cebrià)
    Cellular senescence is a state in which cells stop dividing but remain metabolically active. Moreover, they usually express a pro-inflammatory secretome, upregulate immune ligands and are positive for specific activities such as senescence-associated b-galactosidase (SA-bgal). Cells can enter senescence after DNA damage and activation of oncogenes, for example, to prevent cell proliferation. Recently, senescence has … Continue reading →
  • A support cell subpopulation maintains robust regeneration of adult hair cells in zebrafish    (Francesc Cebrià)
    In contrast to other vertebrates, mammals cannot regenerate the mechanosensory hair cells in the epithelia of their adult ears after age-related, disease or trauma-induced cell death. Zebrafish can definitely regenerate their hair cells located not only in the inner ear but also within the sensory lateral line. This lateral line consists in rather regularly spaced … Continue reading →
  • Neuregulin1 induces the endogenous heart regeneration program in zebrafish    (Francesc Cebrià)
    Contrary to mammals, zebrafish can regenerate their hearts after a significant loss of their cardiomyocytes. Taking into account the high incidence of myocardial infarction in humans understanding heart regeneration in zebrafish might provide clues to enhance our limited regenerative abilities. Now, a recent paper from the laboratory of Ken Poss reports on the important role … Continue reading →

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