You will be shown an abstract from a biomedical research paper. Given this abstract, your task is to extract all unique entities of the following types: ["RNA", "CellLine", "Protein", "DNA", "CellType"].

Please return the output as a JSON object of the format: {"DNA" : ["TAL1", ...], "RNA": ["mRNAs", ...], "CellLine": ["T cells", ...], "CellType": ["monocytes", ...], "Protein": ["IL-2", ...]}. The keys should be entity types and values should be lists of extracted entities belonging to the corresponding type. If you cannot find entities belonging to a specific type, the value should be [].

Only output the JSON object and do not include any additional text.

Abstract:

Expression of c-jun, jun B and jun D proto-oncogenes in human peripheral-blood granulocytes. We have found that purified human peripheral-blood granulocytes express constitutively significant levels of proto-oncogenes c-jun, jun B and jun D mRNA. Upon functional activation of granulocytes by 4 beta-phorbol 12-myristate 13-acetate (PMA), the levels of c-jun, jun B and jun D transcripts were increased. The three jun genes showed a similar time course in their induction by PMA, maximal mRNA levels being reached after 60 min of induction. These results suggest that expression of c-jun, jun B and jun D genes might be involved in terminal granulocyte differentiation or in regulating granulocyte functionality.
{"CellLine": [], "CellType": ["granulocyte", "purified human peripheral - blood granulocytes", "granulocytes", "terminal granulocyte", "human peripheral - blood granulocytes"], "DNA": ["The three jun genes", "jun D genes", "c - jun , jun B and jun D proto - oncogenes", "jun B", "c - jun", "proto - oncogenes", "jun D proto - oncogenes", "jun genes"], "Protein": [], "RNA": ["c - jun , jun B and jun D mRNA", "c - jun , jun B and jun D transcripts"]}