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In memoriam: Irene Schulz 1941 - 2026.

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Irene Schulz

Keywords:
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Area of Science:

  • Cellular Biology
  • Physiology
  • Biochemistry

Background:

  • Pioneering research in calcium signaling pathways.
  • Investigated intracellular calcium (Ca2+) regulation.

Purpose of the Study:

  • To elucidate the role of inositol-1,4,5 trisphosphate (IP3) in calcium release.
  • Identify the intracellular store responsible for IP3-mediated Ca2+ release.

Main Methods:

  • Experimental investigation of calcium signaling mechanisms.
  • Directly demonstrated IP3-induced Ca2+ release from intracellular stores.

Main Results:

  • Showed that inositol-1,4,5 trisphosphate (IP3) releases Ca2+.
  • Identified the endoplasmic reticulum (ER) as the primary intracellular Ca2+ store for IP3 signaling.

Conclusions:

  • Established IP3 as a critical second messenger in signal transduction.
  • Laid the foundation for the field of Ca2+ Signaling.