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Hp and Hx are part of the family of acute period proteins and are regarded to be Hb scavenger proteins Research conditions included a variety of combinations of the pursuing: "TNF antagonists", "adalimumab (ADA)", "etanercept (ETN)", "infliximab (IFX)","certolizumab", "golimumab", "insulin resistance (IR)", "insulin sensitivity (IS)" and "rheumatoid arthritis (RA)".