REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026TRENDINGHexarelin: ↑↑ Surging ��� Trends score 100 as of May 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingEVENTpep-talk con ��� First US Peptide Convention · August 2026 · Anaheim CAFDAFDA advisory committee meetings scheduled: late July 2026

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Research/Paper
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PubMedPreclinical

Age-related disruption of the proteome and acetylome in mouse hearts is associated with loss of function and attenuated by elamipretide (SS-31) and nicotinamide mononucleotide (NMN) treatment.

Whitson Jeremy A, Johnson Richard, Wang Lu, Bammler Theo K, Imai Shin-Ichiro, Zhang Huiliang, Fredrickson Jeanne, Latorre-Esteves Elena, Bitto Alessandro, MacCoss Michael J
GeroScience2022DOI: 10.1007/s11357-022-00564-w
elamipretide (SS-31)nicotinamide mononucleotide (NMN)

Quality Score

4/10

Citations

0

Subjects

Non-Human

PeptideVault Analysis

Study Design

Preclinical research is the foundation of the drug development pipeline. While these findings require human validation, they establish the mechanistic basis that informs dosing strategies, safety profiles, and target identification for future clinical work.

Our Assessment

Quality Assessment: 4/10 — This study contributes useful data but has methodological limitations that warrant caution. The findings are suggestive rather than definitive, and we'd recommend looking for corroborating evidence before drawing strong conclusions.

Findings in Context

These findings advance our understanding of elamipretide (SS-31), nicotinamide mononucleotide (NMN) in meaningful ways.

On the Limitations

Every study has limitations, and being transparent about them is what separates good science from hype. Specifically: the sample size is modest, which limits statistical power and the ability to detect smaller but clinically meaningful effects. These limitations don't invalidate the findings — they define the boundaries of what we can confidently conclude.

The Takeaway

Bottom line: Early-stage evidence for elamipretide (SS-31), nicotinamide mononucleotide (NMN). Interesting mechanistic insights, but we'll need human data before drawing practical conclusions.

Key Findings

The study found that aging alters protein abundance and acetylation in mouse hearts, particularly affecting mitochondrial pathways. Treatment with elamipretide (SS-31) and NMN partially restored these changes but also induced additional alterations.

Limitations

The study is limited to a preclinical model, which may not fully translate to human conditions. The sample size was not specified, limiting the generalizability of the findings.

Citation

Whitson Jeremy A, Johnson Richard, Wang Lu et al.. (2022). Age-related disruption of the proteome and acetylome in mouse hearts is associated with loss of function and attenuated by elamipretide (SS-31) and nicotinamide mononucleotide (NMN) treatment.. GeroScience. https://doi.org/10.1007/s11357-022-00564-w

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This content is derived from peer-reviewed research for educational purposes only. It does not constitute medical advice. Always consult a qualified healthcare provider before using any peptide-based therapy.