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The human cardiac and skeletal muscle proteomes defined by transcriptomics and antibody-based profiling
Cecilia Lindskog1, Jerker Linné2, Linn Fagerberg3
1Science for Life Laboratory, Dept of Immunology Genetics and Pathology, Uppsala University, SE-751 85, Uppsala, Sweden. cecilia.lindskog@igp.uu.se.
BMC Genomics
|June 26, 2015
Summary
This study identified key genes and proteins elevated in cardiac and skeletal muscles. These findings enhance our understanding of muscle function and potential roles in disease.
Area of Science:
- Molecular biology
- Human physiology
Background:
- Cardiac and skeletal muscle functions depend on their molecular makeup.
- Understanding gene expression similarities and differences in striated muscles is crucial.
Purpose of the Study:
- To identify and characterize genes and proteins with elevated expression in cardiac and skeletal muscle.
- To compare expression patterns with other human tissues and localize proteins within muscle cells.
Main Methods:
- Global transcriptomics analysis to identify elevated genes.
- Antibody-based profiling for single-cell protein localization.
Main Results:
- A comprehensive list of genes elevated in cardiac and skeletal muscle was identified.
- Elevated gene functions align with muscle physiology (contraction, ion transport, energy metabolism).
- Mitochondrial proteins involved in energy metabolism are highly represented, highlighting muscle specialization.
Conclusions:
- The study provides a detailed list of proteins elevated in striated muscles.
- Novel proteins were identified and localized to specific cellular compartments.
- These findings offer a foundation for future research into muscle biology and disease.
