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  2. Histamine receptor - Wikipedia

    en.wikipedia.org/wiki/Histamine_receptor

    H1 receptors are linked to allergic responses, H2 to gastric acid regulation, H3 to neurotransmitter release modulation, and H4 to immune system function. There are four known histamine receptors: H 1 receptor H1 Receptors: These receptors are primarily located on smooth muscle cells, endothelial cells, and neurons.

  3. Cetirizine - Wikipedia

    en.wikipedia.org/wiki/Cetirizine

    Cetirizine acts as a highly selective antagonist of the histamine H 1 receptor. [3] The K i values for the H 1 receptor are approximately 6 nM for cetirizine, 3 nM for levocetirizine, and 100 nM for dextrocetirizine, indicating that the levorotatory enantiomer is the main active form. [3]

  4. Histamine H1 receptor - Wikipedia

    en.wikipedia.org/wiki/Histamine_H1_receptor

    The H 1 receptor is a histamine receptor belonging to the family of rhodopsin-like G-protein-coupled receptors. This receptor is activated by the biogenic amine histamine . It is expressed in smooth muscles , on vascular endothelial cells , in the heart, and in the central nervous system .

  5. Histamine H2 receptor - Wikipedia

    en.wikipedia.org/wiki/Histamine_H2_receptor

    H 2 receptors are a type of histamine receptor found in many parts of the anatomy of humans and other animals. They are positively coupled to adenylate cyclase via G s alpha subunit . It is a potent stimulant of cAMP production, which leads to activation of protein kinase A . [ 5 ]

  6. H1 antagonist - Wikipedia

    en.wikipedia.org/wiki/H1_antagonist

    H 1 antagonists, also called H 1 blockers, are a class of medications that block the action of histamine at the H 1 receptor, helping to relieve allergic reactions. Agents where the main therapeutic effect is mediated by negative modulation of histamine receptors are termed antihistamines ; other agents may have antihistaminergic action but are ...

  7. What You Didn't Learn In Sex Ed

    projects.huffingtonpost.com/cliteracy/education?...

    Information about the clitoris could be found in select medical journals and in the upper echelons of academic institutions, but it was mostly inaccessible to the general public.

  8. Antihistamine - Wikipedia

    en.wikipedia.org/wiki/Antihistamine

    H 3 receptors are primarily found in the brain and are inhibitory autoreceptors located on histaminergic nerve ... and cetirizine, that target histamine receptor H1 ...

  9. Dying To Be Free - The Huffington Post

    projects.huffingtonpost.com/dying-to-be-free...

    He entered the Spanish Mission-style facility, located 60 miles north of Los Angeles, under the wrenching spell of heroin withdrawal. In the room Peterson shared with 50 other patients, he was the only drug addict. Not once did a doctor treat him, a nurse attend to him or a psychiatrist hear his story.

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