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  1. Histamine - Wikipedia

    Histamine is an organic nitrogenous compound involved in local immune responses communication, as well as regulating physiological functions in the gut and acting as a …

  2. What Is Histamine? - Cleveland Clinic

    Mar 28, 2023 · Histamine is a signaling chemical your immune system releases to send messages between different cells. Histamine has several functions, but it’s mainly known for …

  3. Foods High in Histamine & Why You Should Avoid Them - WebMD

    May 22, 2024 · Histamine is a natural chemical that helps your cells communicate. It plays a few important roles in your body, including managing your sleep cycle and supporting your brain …

  4. What Is Histamine and What Is Its Role in the Body? - Healthline

    Oct 2, 2023 · Histamine is a chemical throughout your body that plays a role in allergies and several conditions. Histamine triggers include allergens and certain foods. However, there are …

  5. Histamine | Description & Facts | Britannica

    May 31, 2025 · Histamine, biologically active substance found in a variety of organisms. Plants that produce histamine include stinging nettles, and histamine occurs in the venom of some …

  6. What is Histamine? - News-Medical.net

    Jul 14, 2023 · Histamine is a hydrophilic vasoactive amine and once formed, it is either quickly inactivated or stored. When released at synapses, it is broken down by acetaldehyde …

  7. Biochemistry of Histamine: Functions and Significance in

    Aug 25, 2023 · Explore the biochemistry of histamine, a biogenic amine involved in various physiological processes. Learn about its synthesis, receptors, metabolism, and significance in …

  8. Histamine Metabolism: How the Body Processes Histamine

    Jun 21, 2025 · Histamine is a compound involved in diverse physiological processes. The body regulates this molecule through a balance of production, use, and degradation, known as …

  9. What is Histamine & How Does it Relate to Allergic Responses ...

    Histamine is a chemical that is released by white blood cells in your body when your immune system is defending against an allergy trigger, such as pollen, mold, or pet dander.

  10. Role of Histamine in Modulating the Immune Response and …

    In this review, we discuss the dualistic effects of histamine: how histamine affects inflammation of the immune system through the activation of intracellular pathways that induce the production …