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Researcher preparing a microplate at a fluorescence imaging workstation
Longevity · Laboratory protocol

Thymosin Alpha-1

28-residue immunomodulatory peptide, N-terminally acetylated. Studied in Toll-like-receptor and T-cell maturation signalling.

For laboratory research use only. Material is supplied as a research reference standard and is not approved by Health Canada. Protocols below are compiled from published literature and supplier documentation; they are reference information, not medical advice. Anyone with a health condition or on medication should speak to a physician first.

Before you begin

  • • Lot-matched certificate and laboratory notebook
  • • Calibrated pipettes, low-binding tubes and suitable PPE
  • • Validated solvent, assay reagents and model-specific SOP
  • • Appropriate positive, negative and vehicle controls

Required controls

  • Vehicle-only negative control
  • Untreated baseline
  • Validated pathway control
  • Parallel viability measurement

Diluent

Sterile bacteriostatic water (0.9% benzyl alcohol) for multi-withdrawal stock, or sterile water for injection where a preservative-free stock is required by the assay.

Reconstitution concentrations

Solvent volume sets the stock concentration. Lower volume gives a more concentrated stock and smaller working aliquots; higher volume gives a more dilute stock that is easier to measure accurately.

Stock concentration by solvent volume for a 10 mg vial
Solvent addedStock concentrationPer 0.1 mLPer unit (U-100)
1 mL10 mg/mL1 mg100 mcg
2 mL5 mg/mL500 mcg50 mcg
3 mL3.33 mg/mL333.33 mcg33.33 mcg
5 mL2 mg/mL200 mcg20 mcg