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Nomination Summary for S-adenosylmethionine (N20037)

Nominated Substances: S-adenosylmethionine chloride, S-adenosylmethionine

Nomination Date: 05/31/2000

Nominator: NCI

Rationale: S-Adenoslymethionine (SAMe) is a popular dietary supplement used to treat osteoarthritis, depression, and liver disease. SAMe is a physiological methyl donor in all mammals. Hypomethylation is associated with epigenetic changes leading to carcinogenesis. It is not known if high doses of exogenously administered SAMe can cause adverse effects from methylation of DNA bases.

NTP Principles: 2, 3, 7

Agents and Status

The following information relates to the specific agent and may include history from earlier or later nominations for this same agent.

CASRN: 24346-00-7

Agent Name: S-adenosylmethionine chloride

CASRN: 29908-03-0

Agent Name: S-adenosylmethionine