Conclusion
Recent results call for a reinterpretation of the mechanisms underlying the recruitment of intracellular Ca2+ in exocrine glands. One new hypothesis suggested by these developments is that InsP3-sensitive channels liberate Ca2+ ions from secretory vesicles, as illustrated in Fig. 5.
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Marty, A. Calcium release and internal calcium regulation in acinar cells of exocrine glands. J. Membrain Biol. 124, 189–197 (1991). https://doi.org/10.1007/BF01994353
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DOI: https://doi.org/10.1007/BF01994353