Related Experiment Video
Updated: Jul 10, 2026

08:48
Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
Published on: January 26, 2016
Targeting amyloidogenic proteins through cyclic peptides - A medicinal chemistry perspective
Muhammad Kazim Zargaham1, Ahsan Ibrahim2, Madiha Ahmed1
1Department of Pharmaceutical Chemistry, Shifa College of Pharmaceutical Sciences, Shifa Tameer-e-Millat University, Islamabad 44000, Pakistan.
Bioorganic & Medicinal Chemistry
|March 28, 2025
Summary
Cyclic peptides (CPs) show promise in Alzheimer's disease (AD) research. These molecules can be designed to target amyloid aggregation or be used in AD vaccines, offering new therapeutic strategies.
Area of Science:
- Neuroscience
- Biochemistry
- Pharmacology
Background:
- Alzheimer's Disease (AD) involves amyloid-beta (Aβ) plaques, neurofibrillary tangles (NFTs), neuroinflammation, and neurotransmitter deficits.
- Cyclic Peptides (CPs) are bioactive molecules with the potential to modulate protein structure and function.
Purpose of the Study:
- To review the application of cyclic peptides (CPs) in Alzheimer's Disease (AD) research.
- To explore CPs as scaffolds for novel small molecules targeting amyloid aggregation and AD vaccination.
- To discuss other AD-related targets for CP design.
Main Methods:
- Literature review of cyclic peptide applications in Alzheimer's Disease.
- Analysis of CP mechanisms in interfering with amyloidogenic proteins and signal transduction.
- Identification of potential therapeutic targets for CP-based interventions.
Main Results:
- CPs can interfere with AD pathology by mimicking or altering amyloidogenic protein structures.
- CPs can compete with amyloid proteins for receptors involved in AD.
- CPs serve as scaffolds for developing small molecules against amyloid aggregation and for AD vaccines.
Conclusions:
- Cyclic peptides offer a versatile platform for developing novel therapeutic strategies against Alzheimer's Disease.
- Targeting amyloid aggregation and developing AD vaccines are key applications for CPs.
- Further research into CP design for various AD pathophysiological pathways is warranted.
Related Concept Videos
Amyloid Fibrils
Amyloid fibrils are aggregates of misfolded proteins. Under most circumstances, misfolded proteins are either refolded by chaperone proteins or degraded by the proteasome. However, in the case of a mutation or a disease, these proteins can accumulate to form large clusters and often further assemble to form elongated fibers, called fibrils.
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining, normally used to...
Amyloid deposits were observed as early as 1639 in the liver and the spleen. In 1854, Rudolph Virchow performed iodine staining, normally used to...
Targets for Drug Action: Overview
Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes.
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
Pharmacogenomics: Identification of New Drug Targets
Advances in genomics have profoundly influenced drug discovery by increasing both the speed and accuracy of pharmaceutical development. Pharmacogenomics, which examines how genetic variation influences drug response, facilitates the identification of novel therapeutic targets and enables patient stratification for personalized treatment. These strategies contribute to improved drug efficacy, minimized adverse effects, and more efficient clinical trial design.Mapping genetic differences...

