Glutathionylspermidine
Also known as: Glutathione-spermidine conjugate, Gsp, N1-(L-gamma-glutamyl-L-cysteinylglycyl)spermidine
Summary
Glutathionylspermidine is a naturally occurring dipeptide-polyamine conjugate found in bacteria and trypanosomatid parasites. It is the direct biosynthetic precursor to trypanothione in organisms such as Trypanosoma and Leishmania species. It is of significant interest as a research tool and potential drug target for antiparasitic therapy, but is not approved or used clinically in humans.
Mechanism of Action
Glutathionylspermidine is formed by the enzymatic conjugation of glutathione to spermidine via glutathionylspermidine synthetase/amidase (GspSA). It serves as an intermediate in trypanothione biosynthesis in trypanosomatids and acts as a thiol metabolite involved in redox homeostasis and protection against oxidative stress. In bacteria such as E. coli, it accumulates under acidic stress conditions and may serve as a reservoir for both glutathione and spermidine.
Routes of Administration
Goals & Uses
- Acid stress response studyResearchModerate
- Antiparasitic drug target researchResearchModerate
- Redox homeostasis researchResearchModerate
Contraindications
No contraindications recorded yet.
Adverse Effects
No adverse effects recorded yet.
Drug Interactions
No drug interactions recorded yet.
Population Constraints
No population constraints recorded yet.
Regulatory Status
- European UnionUnapprovedResearch compound only; not evaluated by EMA.
- United StatesUnapprovedResearch compound only; not evaluated by FDA for clinical use.
- United KingdomUnapprovedResearch compound only; not evaluated by MHRA.
Not approved by any regulatory authority (FDA, EMA, MHRA) for any clinical indication. Purely a research compound and endogenous metabolite studied in microbiology and antiparasitic drug discovery.
Evidence & Sources
No sources recorded yet.