Related Experiment Video
Updated: Oct 2, 2025

11:13
A GPC3-targeting Bispecific Antibody, GPC3-S-Fab, with Potent Cytotoxicity
Published on: July 12, 2018
8.8K
The Complex Biological Effects of Pectin: Galectin-3 Targeting as Potential Human Health Improvement?
Lucas de Freitas Pedrosa1, Avraham Raz2, João Paulo Fabi1,3,4
1Department of Food Science and Experimental Nutrition, School of Pharmaceutical Sciences, University of São Paulo, São Paulo 05508000, SP, Brazil.
Biomolecules
|February 25, 2022
Summary
Pectin
Area of Science:
- Biochemistry
- Food Science
- Molecular Biology
Background:
- Galectin-3 is a unique protein with widespread physiological and pathological roles.
- Pectin, a complex carbohydrate, has diverse chemical structures influencing its biological activity.
- Pectin's interaction with galectin-3 is an area of interest for potential health benefits.
Purpose of the Study:
- To review the structure-function relationship of pectins and their fragments.
- To explore the biological effects of pectins, particularly concerning galectin-3 modulation.
- To critically assess the evidence for pectin's interaction with galectin-3.
Main Methods:
- Literature review of in vitro and in vivo studies.
- Analysis of pectin structures and their correlation with biological activities.
- Evaluation of experimental data on pectin-galectin-3 interactions.
Main Results:
- Pectins exhibit various bioactive functions and are promising food-derived molecules.
- Evidence for pectin's modulation of galectin-3 is present but often contradictory.
- The precise mechanism and extent of galectin-3 inhibition by pectin are not fully understood.
Conclusions:
- Further research is needed to elucidate the structure-activity relationship of pectins concerning galectin-3.
- Robust data and clear cause-and-effect propositions are required for pectin-galectin-3 interactions.
- Understanding these interactions could unlock new applications for pectins in health and nutrition.
Related Concept Videos
Cellulose and Pectic Polysaccharides
4.0K
Every plant cell has a cell wall that protects the cell, provides structural support, and gives the cell shape. Cellulose, the main structural component of the plant cell wall, makes up over 30% of plant matter. It is the most abundant organic compound on earth. Cellulose is an unbranched polysaccharide composed of linear chains of glucose molecules linked by β (1→4) glycosidic bonds.
As a cell matures, its cell wall specializes according to its type. For example, the...
As a cell matures, its cell wall specializes according to its type. For example, the...
4.0K
Cell Adhesion in Plants
2.9K
Plants have rigid cell walls that are made up of cell wall polysaccharides that mediate cell-cell adhesion. The primary cell walls of plants consist of two independent and interacting polysaccharide networks: a pectin matrix that embeds the second network comprising cellulose and hemicelluloses.
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
Pectins are complex heteropolymers mainly composed of negatively-charged α-D-glucopyranosyl uronic acid and some neutral glycosyl residues such as α-L-rhamnopyranose, α-L-arabinofuranose,...
2.9K
Proteoglycans
4.1K
Glycans, a class of complex heterogeneous molecules, can be covalently attached to proteins to form glycosylated proteins that regulate various physiological and pathological processes. Glycosylated proteins or glycoproteins comprise N-linked and O-linked oligosaccharides. O-glycosylation is the most common type of protein glycosylation. Here, glycans attach to the oxygen atom of the hydroxyl groups of Serine or Threonine residues. O-linked glycosylation occurs later in protein processing,...
4.1K

