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USING CLASSIC PAPERS TO TEACH PHYSIOLOGY

Teaching calcium-induced calcium release in cardiomyocytes using a classic paper by Fabiato

School of Biological Sciences, Nanyang Technological University, Singapore

Address for reprint requests and other correspondence: W. Liang, School of Biological Sciences, Nanyang Technological Univ., Singapore 637551 (e-mail: willmann{at}ntu.edu.sg)

Abstract

This teaching paper utilizes the materials presented by Dr. Fabiato in his review article entitled "Calcium-induced release of calcium from the cardiac sarcoplasmic reticulum." In the review, supporting evidence of calcium-induced calcium release (CICR) is presented. Data concerning potential objections to the CICR theory are discussed as well. In closing, technical issues associated with the skinned cell model are mentioned. Based on this review article, teaching and learning points are put forth in this article to highlight two concepts: 1) the regulatory mechanisms of CICR in cardiomyocytes and 2) the recognition of contradicting hypotheses and limitations in experimental design. The first concept is certainly an important one for physiology students. The second concept is universally applicable to researchers in all fields of science. It is thus the aim of this article to cultivate a rewarding teaching and learning experience for both instructors and students.

Key words: cardiomyocyte; sarcoplasmic reticulum