pH-gated succinate secretion regulates muscle remodeling in response to exercise
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pH-gated succinate secretion regulates muscle remodeling in response to exercise. / Reddy, Anita; Bozi, Luiz H M; Yaghi, Omar K; Mills, Evanna L; Xiao, Haopeng; Nicholson, Hilary E; Paschini, Margherita; Paulo, Joao A; Garrity, Ryan; Laznik-Bogoslavski, Dina; Ferreira, Julio C B; Carl, Christian Strini; Sjøberg, Kim Anker; Wojtaszewski, Jørgen; Jeppesen, Jacob F; Kiens, Bente; Gygi, Steven P; Richter, Erik A.; Mathis, Diane; Chouchani, Edward T.
In: Cell, Vol. 183, No. 1, 2020, p. 62-75, e1-e10.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - pH-gated succinate secretion regulates muscle remodeling in response to exercise
AU - Reddy, Anita
AU - Bozi, Luiz H M
AU - Yaghi, Omar K
AU - Mills, Evanna L
AU - Xiao, Haopeng
AU - Nicholson, Hilary E
AU - Paschini, Margherita
AU - Paulo, Joao A
AU - Garrity, Ryan
AU - Laznik-Bogoslavski, Dina
AU - Ferreira, Julio C B
AU - Carl, Christian Strini
AU - Sjøberg, Kim Anker
AU - Wojtaszewski, Jørgen
AU - Jeppesen, Jacob F
AU - Kiens, Bente
AU - Gygi, Steven P
AU - Richter, Erik A.
AU - Mathis, Diane
AU - Chouchani, Edward T
N1 - Copyright © 2020 Elsevier Inc. All rights reserved.
PY - 2020
Y1 - 2020
N2 - In response to skeletal muscle contraction during exercise, paracrine factors coordinate tissue remodeling, which underlies this healthy adaptation. Here we describe a pH-sensing metabolite signal that initiates muscle remodeling upon exercise. In mice and humans, exercising skeletal muscle releases the mitochondrial metabolite succinate into the local interstitium and circulation. Selective secretion of succinate is facilitated by its transient protonation, which occurs upon muscle cell acidification. In the protonated monocarboxylic form, succinate is rendered a transport substrate for monocarboxylate transporter 1, which facilitates pH-gated release. Upon secretion, succinate signals via its cognate receptor SUCNR1 in non-myofibrillar cells in muscle tissue to control muscle-remodeling transcriptional programs. This succinate-SUCNR1 signaling is required for paracrine regulation of muscle innervation, muscle matrix remodeling, and muscle strength in response to exercise training. In sum, we define a bioenergetic sensor in muscle that utilizes intracellular pH and succinate to coordinate tissue adaptation to exercise.
AB - In response to skeletal muscle contraction during exercise, paracrine factors coordinate tissue remodeling, which underlies this healthy adaptation. Here we describe a pH-sensing metabolite signal that initiates muscle remodeling upon exercise. In mice and humans, exercising skeletal muscle releases the mitochondrial metabolite succinate into the local interstitium and circulation. Selective secretion of succinate is facilitated by its transient protonation, which occurs upon muscle cell acidification. In the protonated monocarboxylic form, succinate is rendered a transport substrate for monocarboxylate transporter 1, which facilitates pH-gated release. Upon secretion, succinate signals via its cognate receptor SUCNR1 in non-myofibrillar cells in muscle tissue to control muscle-remodeling transcriptional programs. This succinate-SUCNR1 signaling is required for paracrine regulation of muscle innervation, muscle matrix remodeling, and muscle strength in response to exercise training. In sum, we define a bioenergetic sensor in muscle that utilizes intracellular pH and succinate to coordinate tissue adaptation to exercise.
KW - Faculty of Science
KW - SUCNR1
KW - Exercise
KW - Innervation
KW - Muscle
KW - Succinate
U2 - 10.1016/j.cell.2020.08.039
DO - 10.1016/j.cell.2020.08.039
M3 - Journal article
C2 - 32946811
VL - 183
SP - 62-75, e1-e10
JO - Cell
JF - Cell
SN - 0092-8674
IS - 1
ER -
ID: 249064339