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Methylxanthines are chemical compounds which are derivatives of xanthine with one or more methyl groups, including: One methyl group: 1-Methylxanthine;
IBMX (3-isobutyl-1-methylxanthine), like other methylxanthine derivatives, is both a: . competitive non-selective phosphodiesterase inhibitor [1] which raises intracellular cAMP, activates PKA, inhibits TNFα [2] [3] and leukotriene [4] synthesis, and reduces inflammation and innate immunity, [4] and
Xanthine (/ ˈ z æ n θ iː n / or / ˈ z æ n θ aɪ n /, from Ancient Greek ξανθός xanthós ' yellow ' for its yellowish-white appearance; archaically xanthic acid; systematic name 3,7-dihydropurine-2,6-dione) is a purine base found in most human body tissues and fluids, as well as in other organisms. [2]
Caffeine is a central nervous system (CNS) stimulant of the methylxanthine class and is the most commonly consumed psychoactive substance globally. [9] [10] It is mainly used for its eugeroic (wakefulness promoting), ergogenic (physical performance-enhancing), or nootropic (cognitive-enhancing) properties.
Theophylline, also known as 1,3-dimethylxanthine, is a drug that inhibits phosphodiesterase and blocks adenosine receptors. [1] It is used to treat chronic obstructive pulmonary disease (COPD) and asthma. [2] Its pharmacology is similar to other methylxanthine drugs (e.g., theobromine and caffeine). [1]
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Methylxanthines activate histone deacetylases, promoting the deacetylation of histone and subsequent DNA folding. This inhibits the synthesis of pro-inflammatory factors that induce asthma attacks and exacerbations, achieving anti-inflammatory effects. [19] For asthma maintenance therapy, methylxanthines are taken orally. [2]
IBMX (3-isobutyl-1-methylxanthine), used as investigative tool in pharmacological research; paraxanthine; pentoxifylline, a drug that has the potential to enhance circulation and may have applicability in treatment of diabetes, fibrotic disorders, peripheral nerve damage, and microvascular injuries [7] theobromine; theophylline, a bronchodilator