In this task, you are given a sentence. You are expected to recognize the name of gene or protein. Although there might be several correct answers, you need to write one of them.

Input: Consider Input: BACKGROUND / AIMS : A single intranasal delivery of retinal autoantigen suppresses effectively experimental autoimmune uveoretinitis ( EAU ) .

Output: retinal autoantigen

Input: Consider Input: This model of acute monarticular arthritis is particularly suitable for further investigations into cell - mediated immunity in arthritis and the role of IL - 1 .

Output: IL - 1

Input: Consider Input: These results indicate that a cellular transduction pathway , dependent on specific PC breakdown , is functional in T lymphocytes and monocytes and may be used by various transmembrane receptors to activate HIV transcription through NF - kappa B - dependent induction of the HIV enhancer .
Output: HIV enhancer