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Structure-Activity Relationships and Drug Design01:28

Structure-Activity Relationships and Drug Design

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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.
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Certain biochemical processes, such as embryonic development and cell growth regulation, depend on the repression of specific genes. DNA binding proteins known as eukaryotic transcription inhibitors regulate the repression of gene expression in eukaryotes. The presence of these inhibitors at the required location and time in the cell is triggered by the presence of hormones and additional signals from other cells.
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Local Anesthetics: Chemistry and Structure-Activity Relationship01:30

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Local anesthetics (LAs) are drugs that induce a temporary loss of sensation in a limited body area, preventing pain. Cocaine was the first local anesthetic discovered in the late 19th century. Cocaine is a benzoic acid ester obtained from the leaves of coca shrubs and was often used for its psychotropic effects. Cocaine was first isolated in 1860 by Albert Niemann. Sigmund Freud studied the physiological actions of cocaine. Carl Koller later introduced it into clinical practice in 1884 as a...
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Antiplatelet Drugs: Prostaglandin Synthesis, P2Y12 and Glycoprotein IIb/IIIa Inhibitors01:20

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Antiplatelet drugs emerge as frontline defenders against the insidious threat of thromboembolic diseases, where abnormal clots obstruct vital blood vessels. These drugs stand as bulwarks, inhibiting platelet aggregation and clot formation, thereby mitigating the risk of life-threatening conditions like myocardial infarction, coronary artery disease, and thrombotic strokes.
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Cholinergic Antagonists: Chemistry and Structure-Activity Relationship01:29

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Cholinergic antagonists bind to cholinergic receptors and limit the effects of acetylcholine and other cholinergic agonists. Based on the specific cholinergic receptor affinity, these antagonists are classified as muscarinic or nicotinic. Anticholinergics interrupt parasympathetic innervations while sympathetic innervations remain uninterrupted. Muscarinic antagonists are also called 'muscarinic antagonists', 'antimuscarinics', or 'parasympatholytics'. Nicotinic...
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Adrenergic Agonists: Chemistry and Structure-Activity Relationship01:16

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Adrenergic agonists' structure-activity relationship (SAR) determines their selectivity and efficacy. These agonists comprise a phenylethylamine moiety with an aromatic ring and an ethylamine side chain.
Aromatic ring substitutions: Substituting the aromatic ring with –OH groups at positions 3 and 4 yields catecholamines (e.g., epinephrine), which have a high affinity for adrenoceptors. Hydrogen bonding between –OH groups and receptors enhances adrenergic activity.
Separation of...
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Kinase Inhibitor Screening In Self-assembled Human Protein Microarrays
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ROCK inhibitors 3: Design, synthesis and structure-activity relationships of 7-azaindole-based Rho kinase (ROCK)

Upul K Bandarage1, Jingrong Cao1, Jon H Come1

  • 1Vertex Pharmaceuticals Incorporated, 50 Northern Avenue, Boston, MA 02210, USA.

Bioorganic & Medicinal Chemistry Letters
|August 8, 2018
PubMed
Summary
This summary is machine-generated.

New research presents potent Rho kinase (ROCK) inhibitors using a 7-azaindole structure. These selective inhibitors show promise for treating conditions like hypertension and glaucoma.

Keywords:
7-AzaindoleLipophilic efficiencyROCKRho kinaseSolubilizing groupStructure-based design

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Area of Science:

  • Medicinal Chemistry
  • Pharmacology

Background:

  • Rho kinase (ROCK) is implicated in various diseases, including hypertension, glaucoma, and erectile dysfunction.
  • Developing selective ROCK inhibitors is a key therapeutic strategy.

Purpose of the Study:

  • To discover and characterize novel, potent, and selective ROCK inhibitors.
  • To explore the utility of a substituted 7-azaindole scaffold for ROCK inhibition.

Main Methods:

  • Synthesis of a series of substituted 7-azaindole compounds.
  • Evaluation of ROCK inhibitory potency and selectivity against PKA.

Main Results:

  • Identified potent ROCK inhibitors based on the 7-azaindole scaffold.
  • Compound 37 demonstrated excellent ROCK inhibitory activity and high selectivity over PKA.
  • Substitution at the 3-position of the 7-azaindole core was crucial for potency and selectivity.

Conclusions:

  • The substituted 7-azaindole scaffold is a promising platform for developing ROCK inhibitors.
  • These novel compounds represent potential therapeutic candidates for ROCK-related disorders.