Altered Ca2+ Handling and Oxidative Stress Underlie Mitochondrial Damage and Skeletal Muscle Dysfunction in Aging and Disease

A Michelucci, C Liang, F Protasi, RT Dirksen - Metabolites, 2021 - mdpi.com
Skeletal muscle contraction relies on both high-fidelity calcium (Ca2+) signals and robust
capacity for adenosine triphosphate (ATP) generation. Ca2+ release units (CRUs) are highly …

Role of STIM1/ORAI1-mediated store-operated Ca2+ entry in skeletal muscle physiology and disease

A Michelucci, M García-Castañeda, S Boncompagni… - Cell calcium, 2018 - Elsevier
Abstract Store-operated Ca 2+ entry (SOCE) is a Ca 2+ entry mechanism activated by
depletion of intracellular Ca 2+ stores. In skeletal muscle, SOCE is mediated by an …

Exercise-dependent formation of new junctions that promote STIM1-Orai1 assembly in skeletal muscle

S Boncompagni, A Michelucci, L Pietrangelo… - Scientific Reports, 2017 - nature.com
Abstract Store-operated Ca2+ entry (SOCE), a ubiquitous mechanism that allows recovery of
Ca2+ ions from the extracellular space, has been proposed to limit fatigue during repetitive …

From Muscle-Based Nonshivering Thermogenesis to Malignant Hyperthermia in Mammals

BS Launikonis, RM Murphy - Annual Review of Physiology, 2025 - annualreviews.org
For physiological processes in the vital organs of eutherian mammals to function, it is
important to maintain constant core body temperature at∼ 37° C. Mammals generate heat …

[HTML][HTML] Age-dependent uncoupling of mitochondria from Ca2+ release units in skeletal muscle

L Pietrangelo, A D'Incecco, A Ainbinder, A Michelucci… - Oncotarget, 2015 - ncbi.nlm.nih.gov
Calcium release units (CRUs) and mitochondria control myoplasmic [Ca 2+] levels and ATP
production in muscle, respectively. We recently reported that these two organelles are …

Pre-assembled Ca2+ entry units and constitutively active Ca2+ entry in skeletal muscle of calsequestrin-1 knockout mice

A Michelucci, S Boncompagni, L Pietrangelo… - Journal of General …, 2020 - rupress.org
Store-operated Ca2+ entry (SOCE) is a ubiquitous Ca2+ influx mechanism triggered by
depletion of Ca2+ stores from the endoplasmic/sarcoplasmic reticulum (ER/SR). We recently …

Calsequestrin: a well-known but curious protein in skeletal muscle

JS Woo, SY Jeong, JH Park, JH Choi… - Experimental & molecular …, 2020 - nature.com
Calsequestrin (CASQ) was discovered in rabbit skeletal muscle tissues in 1971 and has
been considered simply a passive Ca2+-buffering protein in the sarcoplasmic reticulum (SR) …

Calsequestrin, a key protein in striated muscle health and disease

D Rossi, A Gamberucci, E Pierantozzi, C Amato… - Journal of Muscle …, 2021 - Springer
Calsequestrin (CASQ) is the most abundant Ca 2+ binding protein localized in the
sarcoplasmic reticulum (SR) of skeletal and cardiac muscle. The genome of vertebrates …

Postdevelopmental knockout of Orai1 improves muscle pathology in a mouse model of Duchenne muscular dystrophy

M García-Castañeda, A Michelucci, N Zhao… - Journal of General …, 2022 - rupress.org
Duchenne muscular dystrophy (DMD), an X-linked disorder caused by loss-of-function
mutations in the dystrophin gene, is characterized by progressive muscle degeneration and …

Calsequestrin. Structure, function, and evolution

Q Wang, M Michalak - Cell Calcium, 2020 - Elsevier
Calsequestrin is the major Ca 2+ binding protein in the sarcoplasmic reticulum (SR), serves
as the main Ca 2+ storage and buffering protein and is an important regulator of Ca 2+ …