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Peptide Atlas · Small molecule

L-Methionine

Free L-methionine is used as an antioxidant in protein formulations; above 20 mM it outperformed conventional antioxidants in limiting oxidation and aggregation of a high-concentration antibody.

What the evidence says

six tiers, never blended

established — replicated in humans, or settled by a regulator

every claim resolves to its source

All 4 citations resolve to their original source. · 0 posts naming it, 0 members counted once each.

    • established
      Claim: Methionine's roles in transsulfuration and methyl donation, and human methionine nutrition standing
    • resolved

    Methionine Nutrition and Metabolism: Insights from Animal Studies to Inform Human Nutrition.

    Elango R

    pmid 33000159

    • preclinical
      Claim: Dietary methionine restriction changed tumour one-carbon metabolism and therapy response in mice standing
    • resolved

    Dietary methionine influences therapy in mouse cancer models and alters human metabolism.

    Gao X, Sanderson SM, Dai Z, Reid MA, Cooper DE, Lu M, Richie JP, Ciccarella A, Calcagnotto A, Mikhael PG, Mentch SJ, Liu J, Ables G, Kirsch DG, Hsu DS, Nichenametla SN, Locasale JW

    pmid 31367041

    • preclinical
      Claim: Residue-specific impact of EDTA and methionine on protein oxidation standing
    • resolved

    Residue-Specific Impact of EDTA and Methionine on Protein Oxidation in Biotherapeutics Formulations Using an Integrated Biotherapeutics Drug Product Development Workflow.

    Thakkar SV, Rodrigues D, Zhai B, Banton D, Somani S, Javidi A, Mahan A, Ember S, DeGrazio D, Ganguly S, Amin K, Nanda H

    pmid 36130676

    • preclinical
      Claim: High-concentration L-methionine as an antioxidant in antibody formulations standing
    • resolved

    High-concentration L-methionine as a potent antioxidant for oxidation resistance and stability enhancement in high-concentration antibody therapeutics.

    Wang X, Zhang X, Xu J, Xu S, Huang K, Ni Q, Shen X, Zhang W, Liu T, Dong T, Mao D, Zheng C, Yu W, Guo Q, Li Z, Cao J, Han F, Ji L, Qian W, Hou S, Li J, Sun Z, Dai J, Guo Y, Zhang D, Guo H

    pmid 40978010

A claim's standing is its latest row in an append-only history; a tombstone names the later evidence and the reason. The Graveyard and the Resurrection Yard.

Negative findings

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