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Identification of MyoD Interactome Using Tandem Affinity Purification Coupled to Mass Spectrometry
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Slc2a6 regulates myoblast differentiation by targeting LDHB
Xuan Jiang1,2, Ninghan Feng1,3, Yizhou Zhou1
1Wuxi School of Medicine, Jiangnan University, 1800 Lihu Road, Wuxi, 214122, Jiangsu, China.
Cell Communication and Signaling : CCS
|July 19, 2022
Summary
Scientists identified Slc2a6 as crucial for muscle cell differentiation. Targeting the Slc2a6-LDHB pathway may treat muscle loss in type 2 diabetes.
Area of Science:
- Biochemistry
- Molecular Biology
- Genetics
Background:
- Type 2 diabetes mellitus (T2DM) is a global health issue.
- T2DM causes myoblast differentiation decline and muscle mass loss, impairing skeletal muscle function.
- Effective therapies for T2DM-associated muscle diseases are lacking.
Purpose of the Study:
- To investigate the genetic mechanisms underlying myoblast differentiation and T2DM-induced muscle atrophy.
- To identify novel therapeutic targets for diabetes-associated muscle wasting.
Main Methods:
- Comparative analysis of skeletal muscle in db/+ and db/db mice.
- Transcriptomic and metabolomic profiling of C2C12 myoblasts.
- RNA interference (RNAi) to assess Slc2a6 function.
Main Results:
- Slc2a6 expression is upregulated during myogenesis and downregulated in diabetes-induced muscle atrophy.
- Slc2a6 knockdown impairs C2C12 myoblast differentiation and myotube formation.
- Slc2a6 influences glycolysis and lactate production via LDHB, impacting myogenesis.
Conclusions:
- The Slc2a6-LDHB axis is a key regulator of myogenic differentiation.
- This pathway presents a potential therapeutic target for treating muscle atrophy in type 2 diabetes.
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