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Store-Operated Ca²⁺ Entry (SOCE) Pathways

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Cover of 'Store-Operated Ca²⁺ Entry (SOCE) Pathways'

Table of Contents

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    Book Overview
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    Chapter 1 Introduction
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    Chapter 2 The STIM-Orai Pathway: STIM-Orai Structures: Isolated and in Complex
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    Chapter 3 The STIM-Orai Pathway: Orai, the Pore-Forming Subunit of the CRAC Channel
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    Chapter 4 The STIM-Orai Pathway: The Interactions Between STIM and Orai
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    Chapter 5 The STIM-Orai Pathway: Conformational Coupling Between STIM and Orai in the Activation of Store-Operated Ca2+ Entry
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    Chapter 6 The STIM-Orai Pathway: Regulation of STIM and Orai by Thiol Modifications
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    Chapter 7 The STIM-Orai Pathway: Light-Operated Ca2+ Entry Through Engineered CRAC Channels
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    Chapter 8 STIM-TRP Pathways and Microdomain Organization: Ca2+ Influx Channels: The Orai-STIM1-TRPC Complexes
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    Chapter 9 STIM-TRP Pathways and Microdomain Organization: Contribution of TRPC1 in Store-Operated Ca2+ Entry: Impact on Ca2+ Signaling and Cell Function
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    Chapter 10 STIM-TRP Pathways and Microdomain Organization: Auxiliary Proteins of the STIM/Orai Complex
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    Chapter 11 Introduction
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    Chapter 12 New Aspects of the Contribution of ER to SOCE Regulation: The Role of the ER and ER-Plasma Membrane Junctions in the Regulation of SOCE
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    Chapter 13 New Aspects of the Contribution of ER to SOCE Regulation: TRPC Proteins as a Link Between Plasma Membrane Ion Transport and Intracellular Ca2+ Stores
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    Chapter 14 The Role of Mitochondria in the Activation/Maintenance of SOCE: Store-Operated Ca2+ Entry and Mitochondria
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    Chapter 15 The Role of Mitochondria in the Activation/Maintenance of SOCE: Membrane Contact Sites as Signaling Hubs Sustaining Store-Operated Ca2+ Entry
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    Chapter 16 The Role of Mitochondria in the Activation/Maintenance of SOCE: The Contribution of Mitochondrial Ca2+ Uptake, Mitochondrial Motility, and Location to Store-Operated Ca2+ Entry
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    Chapter 17 Tissue Specificity: The Role of Organellar Membrane Nanojunctions in Smooth Muscle Ca2+ Signaling
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    Chapter 18 Tissue Specificity: SOCE: Implications for Ca2+ Handling in Endothelial Cells
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    Chapter 19 Tissue Specificity: Store-Operated Ca2+ Entry in Cardiac Myocytes
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    Chapter 20 Introduction: Overview of the Pathophysiological Implications of Store-Operated Calcium Entry in Mammalian Cells
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    Chapter 21 Immunological Disorders: Regulation of Ca2+ Signaling in T Lymphocytes
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    Chapter 22 Cardiovascular and Hemostatic Disorders: Role of STIM and Orai Proteins in Vascular Disorders
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    Chapter 23 Cardiovascular and Hemostatic Disorders: SOCE and Ca2+ Handling in Platelet Dysfunction
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    Chapter 24 Cardiovascular and Hemostatic Disorders: SOCE in Cardiovascular Cells: Emerging Targets for Therapeutic Intervention
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    Chapter 25 Cardiac Remodeling and Disease: SOCE and TRPC Signaling in Cardiac Pathology
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    Chapter 26 Cardiac Remodeling and Disease: Current Understanding of STIM1/Orai1-Mediated Store-Operated Ca2+ Entry in Cardiac Function and Pathology
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    Chapter 27 Neurological and Motor Disorders: Neuronal Store-Operated Ca2+ Signaling: An Overview and Its Function
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    Chapter 28 Neurological and Motor Disorders: TRPC in the Skeletal Muscle
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    Chapter 29 Fertility: Store-Operated Ca2+ Entry in Germ Cells: Role in Egg Activation
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    Chapter 30 Metabolic Disorders and Cancer: Hepatocyte Store-Operated Ca2+ Channels in Nonalcoholic Fatty Liver Disease
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    Chapter 31 Metabolic Disorders and Cancer: Store-Operated Ca2+ Entry in Cancer: Focus on IP3R-Mediated Ca2+ Release from Intracellular Stores and Its Role in Migration and Invasion
Attention for Chapter 19: Tissue Specificity: Store-Operated Ca2+ Entry in Cardiac Myocytes
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Chapter title
Tissue Specificity: Store-Operated Ca2+ Entry in Cardiac Myocytes
Chapter number 19
Book title
Store-Operated Ca²⁺ Entry (SOCE) Pathways
Published in
Advances in experimental medicine and biology, January 2017
DOI 10.1007/978-3-319-57732-6_19
Pubmed ID
Book ISBNs
978-3-31-957731-9, 978-3-31-957732-6
Authors

Martin D. Bootman, Katja Rietdorf

Abstract

Calcium (Ca(2+)) is a key regulator of cardiomyocyte contraction. The Ca(2+) channels, pumps, and exchangers responsible for the cyclical cytosolic Ca(2+) signals that underlie contraction are well known. In addition to those Ca(2+) signaling components responsible for contraction, it has been proposed that cardiomyocytes express channels that promote the influx of Ca(2+) from the extracellular milieu to the cytosol in response to depletion of intracellular Ca(2+) stores. With non-excitable cells, this store-operated Ca(2+) entry (SOCE) is usually easily demonstrated and is essential for prolonging cellular Ca(2+) signaling and for refilling depleted Ca(2+) stores. The role of SOCE in cardiomyocytes, however, is rather more elusive. While there is published evidence for increased Ca(2+) influx into cardiomyocytes following Ca(2+) store depletion, it has not been universally observed. Moreover, SOCE appears to be prominent in embryonic cardiomyocytes but declines with postnatal development. In contrast, there is overwhelming evidence that the molecular components of SOCE (e.g., STIM, Orai, and TRPC proteins) are expressed in cardiomyocytes from embryo to adult. Moreover, these proteins have been shown to contribute to disease conditions such as pathological hypertrophy, and reducing their expression can attenuate hypertrophic growth. It is plausible that SOCE might underlie Ca(2+) influx into cardiomyocytes and may have important signaling functions perhaps by activating local Ca(2+)-sensitive processes. However, the STIM, Orai, and TRPC proteins appear to cooperate with multiple protein partners in signaling complexes. It is therefore possible that some of their signaling activities are not mediated by Ca(2+) influx signals, but by protein-protein interactions.

Mendeley readers

The data shown below were compiled from readership statistics for 9 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 9 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 3 33%
Researcher 3 33%
Other 1 11%
Student > Bachelor 1 11%
Unknown 1 11%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 3 33%
Medicine and Dentistry 2 22%
Agricultural and Biological Sciences 1 11%
Mathematics 1 11%
Unknown 2 22%