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:

MiR-218 was shown previously to downregulate fibrinogen synthesis [42]; therefore, the lower levels of expression that we observed in response to PM exposure might partly explain the increased fibrinogen concentration.
Background