You will be presented with a citation segment from the section of a research paper. Classify the intent behind this citation by choosing from one of the following categories:

- Method: Cites the paper for its methodology or procedure.
- Background: Cites the paper to provide background information.
- Result: Cites the paper for its findings or results.

Your answer should be a single word from the following list of options: ["Method", "Background", "Result"]. Do not include any other text in your response.

Citation sentence:

Our finding that about 40% of the MDglutamate signal is related to oxidative stress (as indicated by the factor of dependency and the assumption that 8-iso-PGF2a is a specific marker for oxidative stress) is intriguing, and may reflect another potentially important link between oxidative stress and excitotoxicity via the microglial antiporter system Xc 2 (Sato et al., 2002), releasing cytotoxic levels of glutamate into the interstitial compartment to replenish intracellular cystine to maintain the glutathione system when challenged by oxidative stress (Qin et al.
Background