Non-human Primates (NHP) are the closest phylogenic relatives to man. They are often indispensable in biomedical and psychological research. The rhesus monkey is the most widely used laboratory primate. They are a small, Asian old world monkey which are often used in research due to ease of rearing in captivity. Rhesus monkeys can thrive in a variety of climates and habitats. They measure about 47–64 cm (19–25 inches) long, excluding the furry 20–30-cm tail. Females average about 8.5 kg (19 pounds) and males 11 kg. Rhesus monkeys live in groups consisting of several adults of both sexes and their young; males leave the troop at maturity, whereas females tend to stay in the troops in which they were born. Sexual maturity occurs between two and three years of age.

 Rhesus CD4+ Helper T cells are a type of T cells that express the surface protein CD4 associated with the T-cell antigen receptor (TCR). CD4+ Helper T cells play an important role in the immune system by secreting cytokines to polarize the immune response. Rhesus CD4+ T cells are used to perform research in immunology as well as oncology and infectious diseases

Our Non Human Primate CD4+ Helper T Cells are isolated from Non Human Primate mononuclear cells by negative selection. All Non-Human Primate whole blood is collected by venipuncture from animals housed within the United States.

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