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  • Title: The cardiac mutant gene c in axolotls: cellular, developmental, and molecular studies.
    Author: Lemanski LF, La France SM, Erginel-Unaltuna N, Luque EA, Ward SM, Fransen ME, Mangiacapra FJ, Nakatsugawa M, Lemanski SL, Capone RB.
    Journal: Cell Mol Biol Res; 1995; 41(4):293-305. PubMed ID: 8775986.
    Abstract:
    The cardiac mutant axolotl is an interesting model for studying heart development. The mutant gene results in a failure of heart cells to form organized myofibrils and as a consequence the heart fails to beat. Experiments have shown that mutant hearts can be "rescued" (i.e., turned into normally contracting organs) by the addition of RNA purified from conditioned media produced by normal embryonic anterior endoderm-mesoderm cultures. These corrected hearts form myofibrils of normal morphology. New advances in recombinant DNA technology applied to this system should provide significant insights into the regulatory mechanisms of myofibrillogenesis as well as the inductive processes related to the control of gene expression during embryonic heart development. In a broader biological sense, the use of gene c in axolotls is potentially capable of helping to solve major unanswered questions in modern biology related to the genetic regulation of differentiation in vertebrates.
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