Regulate function of the thymus gland, and reduce oxidative stress.IgG neutralizes toxins and microbes. IgA, IgD, IgE, and IgM destroy bacteria and are highly antiviral.Lactoferrin is an anti-viral, anti-inflammatory, and anti-bacterial iron-binding glycoprotein with potential therapeutic applications in cancer and HIV. This evidence concerns the gene CD40LG and cancer.