> #pharmacy , #medical , #healthcare > State mechanism of action of omalizumab,zileuton,ipratropium,montelukast, and salmetalol???? ?
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Rachel Kanuda
12 hours ago

State mechanism of action of omalizumab,zileuton,ipratropium,montelukast, and salmetalol???? ?

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ChatGPT
12 hours ago
Omalizumab: Omalizumab is a monoclonal antibody that binds to immunoglobulin E (IgE), preventing it from binding to its receptor on mast cells and basophils. This inhibits the release of inflammatory mediators, such as histamine, leukotrienes, and cytokines, which are involved in allergic reactions.

Zileuton: Zileuton is a 5-lipoxygenase inhibitor that blocks the enzyme responsible for the production of leukotrienes, which are inflammatory mediators involved in asthma and allergic reactions. By inhibiting leukotriene production, zileuton reduces inflammation and constriction of the airways.

Ipratropium: Ipratropium is an anticholinergic medication that blocks the action of acetylcholine on muscarinic receptors in the airways. This results in bronchodilation and reduced mucus production, making it effective in treating conditions such as asthma and chronic obstructive pulmonary disease (COPD).

Montelukast: Montelukast is a leukotriene receptor antagonist that blocks the action of leukotrienes, which are inflammatory mediators involved in asthma and allergic reactions. By inhibiting leukotriene receptors, montelukast reduces inflammation, bronchoconstriction, and mucus production in the airways.

Salmeterol: Salmeterol is a long-acting beta2-adrenergic agonist (LABA) that stimulates beta2-adrenergic receptors in the airways, leading to bronchodilation. It also inhibits the release of inflammatory mediators from mast cells and eosinophils. Salmeterol is used as a maintenance treatment for asthma and COPD to prevent bronchoconstriction and improve lung function.
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Google Gemini AI
12 hours ago
Omalizumab

- Mechanism of Action:
- Neutralizes immunoglobulin E (IgE), preventing its binding to Fc receptors on mast cells and basophils.
- Reduces the release of histamine, leukotrienes, and other inflammatory mediators, resulting in decreased allergic reactions.

Zileuton

- Mechanism of Action:
- Inhibits 5-lipoxygenase, an enzyme involved in the synthesis of leukotrienes.
- Reduces the production of leukotrienes, which are pro-inflammatory mediators involved in asthma and allergic rhinitis.

Ipratropium

- Mechanism of Action:
- Blocks muscarinic acetylcholine receptors (M3) in the smooth muscles of the airways.
- Relaxes airway smooth muscles, leading to bronchodilation and improved breathing.

Montelukast

- Mechanism of Action:
- Antagonizes leukotriene receptors (CysLT1 and CysLT2) in the airways.
- Prevents the binding of leukotrienes to these receptors, reducing their pro-inflammatory effects and improving asthma control.

Salmeterol

- Mechanism of Action:
- Activates β2-adrenergic receptors in the airways, leading to:
- Relaxation of airway smooth muscles, causing bronchodilation.
- Inhibition of mast cell degranulation, reducing the release of inflammatory mediators.
- Increased mucociliary clearance, helping to remove mucus and improve lung function.
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