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…ection Folate, or vitamin B9, supports DNA building blocks, cell division, and the remethylation of homocysteine to methionine. A severe deficiency can affect blood-cell production and other body systems. Follow the pathway Dr. Purser conn…

Explore rs2857261, rs1057972, natural killer cells, CD8+ T cells, and questions about high-expression variants. Understand the connection IL-15 supports natural killer cells and certain T cells, including memory CD8+ T cells. Immune memory…

… caspase-1. It participates in fever and the recruitment of immune cells. Follow the pathway Dr. Purser connects IL-1β with gout, inflammatory pain, and other immune conditions. He discusses targeted IL-1 therapies and the separate role of…

…s toward tissues by signaling through CCR3. Eosinophils are immune cells involved in allergies and defense against some parasites. Follow the pathway Dr. Purser connects eosinophil recruitment with allergic airway and skin inflammation. He…

…protein-1 alpha, CCR1, CCR5, and the recruitment of myeloid cells and lymphocytes. Understand the connection CCL3, or MIP-1 alpha, helps call immune cells into tissue through receptors including CCR1 and CCR5. Normal recruitment supports d…

Explore RANTES, CCR5, T cells, monocytes, eosinophils, and inflammatory conditions. Understand the connection CCL5, also called RANTES, attracts immune cells through receptors including CCR1, CCR3, and CCR5. It participates in the normal r…

…ta is a type I interferon involved in antiviral defense and immune regulation. It is different from interferon-gamma, which belongs to the type II interferon group. Follow the pathway Dr. Purser discusses interferon-beta in the context of …

Explore type II interferon, natural killer cells, T lymphocytes, biologic therapies, and related antioxidant pathways. Understand the connection Interferon-gamma, or IFN-γ, is a type II interferon produced by immune cells including T cells…

…thway Dr. Purser connects regulatory variation with the Th1 immune pathway, macrophage activation, and inflammatory signaling. The exact allele and testing method matter when discussing a result, and an association does not establish diseas…

…ollow the pathway Dr. Purser follows IFN-γ signaling into T-cell and macrophage activity and the relationship between inflammation and oxidative stress. A genotype needs to be considered alongside measured findings and symptoms. Bring thes…

…terleukin-10, rs1800896, rs1800871, rs1800872, regulatory T cells, and inflammatory regulation. Understand the connection IL-10 helps regulate immune responses and limit excessive inflammation. Its effects depend on which cells are involve…

…plains why the shared p40 subunit connects the Th1 and Th17 immune pathways. This also helps explain the difference between treatments that target p40 and treatments that target only the IL-23 p19 subunit. Bring these questions to your vis…