Related Experiment Video
Updated: Feb 4, 2026

10:01
In vitro Methylation Assay to Study Protein Arginine Methylation
Published on: October 5, 2014
15.8K
Methyl-containing pharmaceuticals: Methylation in drug design
1Xenon Pharmaceuticals Inc, 200-3650 Gilmore Way, Burnaby, BC V5G 4W8, Canada.
Bioorganic & Medicinal Chemistry Letters
|September 24, 2018
Summary
Methyl groups are crucial for optimizing drug properties like activity and solubility. This methylation strategy has proven successful in developing new drugs and clinical candidates.
Area of Science:
- Medicinal Chemistry
- Drug Design
- Pharmacology
Background:
- Methyl groups play a vital role in modifying the properties of biologically active molecules.
- Understanding these modifications is key to successful drug development.
Purpose of the Study:
- To highlight the significance of methyl groups in drug design.
- To showcase successful applications of methylation strategies in pharmaceuticals.
Main Methods:
- Review of scientific literature.
- Analysis of marketed drugs and clinical candidates incorporating methylation.
- Case study compilation of beneficial methylation strategies.
Main Results:
- Methylation significantly impacts biological activity, selectivity, solubility, and pharmacokinetic/pharmacodynamic (PK/PD) profiles.
- Numerous marketed drugs and clinical candidates demonstrate the successful application of methylation.
- The strategic use of methyl groups has led to improved drug efficacy and safety.
Conclusions:
- Methylation is a powerful and effective strategy in modern drug design.
- The incorporation of methyl groups offers a reliable approach to enhance drug properties.
- Further exploration of methylation techniques can lead to the development of next-generation therapeutics.
Related Concept Videos
Phase II Reactions: Methylation Reactions
739
Methylation is a phase II biotransformation process involving the attachment of a methyl group to a substrate. Enzymes known as methyltransferases orchestrate this reaction.
The mechanism of methylation unfolds in two stages. The first stage sees a methyltransferase enzyme facilitating the transfer of a methyl group from S-adenosylmethionine (SAM) to the substrate, forming S-adenosylhomocysteine (SAH). The second stage involves further metabolism of SAH into homocysteine, which can be recycled...
The mechanism of methylation unfolds in two stages. The first stage sees a methyltransferase enzyme facilitating the transfer of a methyl group from S-adenosylmethionine (SAM) to the substrate, forming S-adenosylhomocysteine (SAH). The second stage involves further metabolism of SAH into homocysteine, which can be recycled...
739
Multiple Halogenation of Methyl Ketones: Haloform Reaction
2.9K
A method involving the transformation of methyl ketones to carboxylic acids using excess base and halogen is called the haloform reaction. It begins with the deprotonation of α hydrogen to form an enolate ion which reacts with the electrophilic halogen to give an α-halo ketone. The step continues until all the α protons are substituted to form a trihalomethyl ketone. The resulting molecule is unstable, and in the presence of a hydroxide base, it readily undergoes nucleophilic...
2.9K
Factors Influencing Drug Absorption: Pharmaceutical Parameters
540
Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
540
Pharmaceutical Equivalents
203
As defined by regulatory standards, pharmaceutical equivalents require generic drug products to have identical dosage forms and chemically identical active pharmaceutical ingredients (APIs). They must adhere to compendial or applicable standards for potency, content uniformity, disintegration times, and dissolution rates. In the case of modified-release dosage forms, variations in drug content are permissible as long as the delivered amount remains consistent with the innovator drug product.
203
Structure-Activity Relationships and Drug Design
1.8K
Drug design is a dynamic field that involves discovering and developing new medications based on specific biological targets. This process heavily relies on structure-activity relationships (SAR) and quantitative structure-activity relationships (QSAR) to guide the design and optimization of efficient drugs.
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
SAR studies the intricate relationship between a drug's chemical structure and biological activity. It focuses on understanding how modifications to a drug's structure can influence...
1.8K
Group Design
10.5K
The most basic experimental design involves two groups: the experimental group and the control group. The two groups are designed to be the same except for one difference— experimental manipulation. The experimental group gets the experimental manipulation—that is, the treatment or variable being tested—and the control group does not. Since experimental manipulation is the only difference between the experimental and control groups, we can be sure that any differences between...
10.5K

