vbpound.bsky.social
@vbpound.bsky.social
Reposted
Published today in @cp-cellmetabolism.bsky.social, we report the unexpected effects of semaglutide on skeletal muscle mass and force-generating capacity in mice. Work by co-first authors Drs. Takuya Karasawa and Ran-Hee Choi. 1/
Unexpected effects of semaglutide on skeletal muscle mass and force-generating capacity in mice
Loss of lean mass is a potential concern for semaglutide-induced weight loss. This study indicates that semaglutide has unexpected effects on skeletal muscle mass and strength in mice, demonstrating a...
www.cell.com
August 6, 2025 at 5:29 AM
Reposted
SkeletAge: Transcriptomics-based Aging Clock Identifies 26 New Targets in Skeletal Muscle Aging
www.biorxiv.org/content/10.1...
SkeletAge: Transcriptomics-based Aging Clock Identifies 26 New Targets in Skeletal Muscle Aging
Identifying the set of genes that regulate baseline healthy aging – aging that is not confounded by illness – is critical to understating aging biology. Machine learning-based age-estimators (such as ...
www.biorxiv.org
August 8, 2025 at 7:23 PM
Reposted
SESN2 mediates resistance training-induced improvements in exercise performance and energy metabolism in C57BL/6J mice
www.sciencedirect.com/science/arti...
SESN2 mediates resistance training-induced improvements in exercise performance and energy metabolism in C57BL/6J mice
Long-term resistance training promotes skeletal muscle hypertrophy and boosts energy metabolism. The stress-inducible protein, SESN2 is a mediator of …
www.sciencedirect.com
May 28, 2025 at 5:45 PM
Reposted
This was a real labor of love: “A History of Omics Discoveries Reveals the Correlates and Mechanisms of Loading-Induced Hypertrophy in Adult Skeletal Muscle” w/Toby Chambers. #myoblue journals.physiology.org/doi/abs/10.1...
A History of Omics Discoveries Reveals the Correlates and Mechanisms of Loading-Induced Hypertrophy in Adult Skeletal Muscle | American Journal of Physiology-Cell Physiology | American Physiological S...
Since the early 2000s, omics approaches to study skeletal muscle hypertrophy consequent to loading (e.g. resistance exercise) have expanded dramatically. Beginning with genomics and transcriptomics, t...
journals.physiology.org
April 2, 2025 at 4:17 PM
Reposted
Latest report from annual Biomarkers of Aging conference @nature.com (Nature Aging) offers potential next steps for BOA Consortium and larger research community. Takeways: Need for longitudinal data and analysis pipelines. Buck was happy to be a part of it. www.nature.com/articles/s43...
Invigorating discovery and clinical translation of aging biomarkers - Nature Aging
On 1–2 November 2024, the annual Biomarkers of Aging conference welcomed academic and industry scientists, and partners from governmental and nongovernmental organizations, to Harvard Medical School i...
www.nature.com
March 31, 2025 at 8:51 PM
Reposted
In a new Science study, cryo–electron tomography captures the in-cell architecture of the mitochondrial respiratory chain, illuminating how the coordinated action of molecular machines drives life’s fundamental energy conversion.

Learn more in this week's issue: scim.ag/3FA3Ygq
March 20, 2025 at 6:05 PM
Reposted
A new paper from Dr. Edwin Miranda, who investigated the effects of suppressing oxidative stress by inhibiting Keap1. Results were somewhat unexpected, but highlighted the importance of nuanced roles that ROS play in muscle function. More papers to come on this related topic!
Muscle‐specific Keap1 deletion enhances force production but does not prevent inactivity‐induced muscle atrophy in mice
In absence of oxidative stress (i.e., Control, left panel) Keap1 binds and ubiquitinates the antioxidant response element (ARE) transcription factor NRF2. Ubiquitinated NRF2 is degraded and unable to....
faseb.onlinelibrary.wiley.com
March 14, 2025 at 5:03 PM
Reposted
AMPK phosphosite profiling by label-free mass spectrometry reveals a multitude of mTORC1-regulated substrates
www.nature.com/articles/s44...
AMPK phosphosite profiling by label-free mass spectrometry reveals a multitude of mTORC1-regulated substrates - npj Metabolic Health and Disease
npj Metabolic Health and Disease - AMPK phosphosite profiling by label-free mass spectrometry reveals a multitude of mTORC1-regulated substrates
www.nature.com
March 5, 2025 at 9:01 PM
Reposted
New discovery from the Kahn lab @harvardmed.bsky.social : Lrtm1, a novel sensor of #insulin signaling.

'Lrtm1 senses changes in insulin receptor signaling and serves as a novel post-receptor regulator of metabolic and behavioral activity'.
Lrtm1 - A Novel Sensor of Insulin Signaling and Regulator of Metabolism and Activity
Insulin regulates glucose uptake and metabolism in muscle via the insulin receptor. Here we show that Lrtm1 (Leucine Rich Repeats and Transmembrane Domains
diabetesjournals.org
March 5, 2025 at 9:47 AM