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Related Concept Videos

Lipids as Anchors01:32

Lipids as Anchors

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In the plasma membrane, the lipids forming the bilayer can also act as an anchor to tether proteins to the membrane. The three main types of lipid anchors found in eukaryotes are – prenyl groups, fatty acyl groups, and glycosylphosphatidylinositol or GPI groups. Prenyl and fatty acyl groups act as anchors on the cytosolic surface of the membrane, whereas GPI anchors proteins on the extracellular side.
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Pharmaceutical substances known as xenobiotics are predominantly lipophilic and nonionized. This enables them to permeate lipid bilayers, such as cell membranes, and interact with intracellular target receptors. Lipophilic drugs have an advantage in crossing biological barriers and reaching their intended sites of action. However, lipophilic drugs often have a restricted capacity for renal expulsion or elimination from the body. When these drugs enter the kidneys and undergo glomerular...
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Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
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What are Lipids?01:38

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Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

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Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
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Asymmetric Lipid Bilayer01:35

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Biological membranes show uneven distribution of different types of lipids in the inner and outer layers, resulting in transverse asymmetric membranes. The treatment of the erythrocyte membrane with the enzyme phospholipase confirmed the asymmetric nature of the lipid bilayer. The enzyme hydrolyzes lipids into fatty acids and hydrophilic groups. The phospholipase acts only on the outer layer of the membrane, while the inner layer remains intact. The phospholipase treatment resulted in 80%...
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Updated: Jul 10, 2025

Development of a Backbone Cyclic Peptide Library as Potential Antiparasitic Therapeutics Using Microwave Irradiation
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Lipidization as a tool toward peptide therapeutics.

Aneta Myšková1,2, David Sýkora1, Jaroslav Kuneš2,3

  • 1Department of Analytical Chemistry, University of Chemistry and Technology Prague, Prague, Czech Republic.

Drug Delivery
|November 27, 2023
PubMed
Summary

Peptide therapeutics offer advantages but suffer from low stability. Modifications like lipidization enhance peptide drug properties, improving half-life and bioavailability for treating diseases.

Keywords:
Peptide therapeuticslipidizationstructure modificationtherapeutic lipopeptides

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Area of Science:

  • Pharmacology
  • Medicinal Chemistry
  • Drug Development

Background:

  • Peptides are promising therapeutic agents due to their diversity and receptor affinity.
  • Natural peptides exhibit poor stability, short half-lives, and low oral bioavailability.
  • Instability limits the therapeutic application of peptides, necessitating modification strategies.

Purpose of the Study:

  • To review current peptide modification techniques for therapeutic applications.
  • To focus on lipidization as a key strategy for enhancing peptide drug properties.
  • To discuss the advantages and disadvantages of various lipidization methods.

Main Methods:

  • Review of existing literature on peptide modification techniques.
  • Detailed examination of lipidization strategies, including their mechanisms.
  • Analysis of clinical applications and market-available lipidized peptide drugs.

Main Results:

  • Peptide modifications, particularly lipidization, significantly improve stability, half-life, and bioavailability.
  • Lipidization enhances the efficacy of neuropeptides in the central nervous system after peripheral administration.
  • Several lipidized peptide-based drugs are currently available on the market.

Conclusions:

  • Peptide modification is crucial for developing effective peptide-based pharmaceuticals.
  • Lipidization represents a versatile and effective approach to overcome peptide instability.
  • Further research into peptide modification holds promise for treating currently incurable diseases.