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Related Concept Videos

Cell Adhesion Molecules - Types and Functions01:20

Cell Adhesion Molecules - Types and Functions

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Cell adhesion molecules (CAMs) are pivotal to multicellularity and the coordinated functioning of tissues and organ systems. They enable physical interactions between cells and provide mechanical strength to tissues. They also function as receptors for signal transmission across the plasma membrane. The CAMs are broadly classified into four families - integrins, cadherins, selectins, and immunoglobulin-like CAMs (IgCAMs).
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In multicellular organisms, many molecules transmit signals between cells to pass information. These signals vary in complexity and include small peptides, nucleotides, steroids, fatty acid derivatives, and dissolved gases such as nitric oxide. Some signaling molecules diffuse through the plasma membrane to act locally between neighboring cells or travel long distances. Others remain attached to the cell surface, transmitting information to other cells only when they make contact. In some...
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Animal and protozoan cells do not have cell walls to help maintain shape and provide structural stability. Instead, these eukaryotic cells secrete a sticky mass of carbohydrates and proteins into the spaces between adjacent cells. This network of proteins and molecules is called an extracellular matrix or ECM.
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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.
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Hormones—or any molecule that binds to a receptor, known as a ligand—that are lipid-insoluble (water-soluble) are not able to diffuse across the cell membrane. In order to be able to affect a cell without entering it, these hormones bind to receptors on the cell membrane. When a first messenger, a hormone, binds to a receptor, a signal cascade is set off, causing second messengers, proteins inside the cell, to become activated, resulting in downstream effects.
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Related Experiment Video

Updated: May 30, 2025

Study of Short Peptide Adsorption on Solution Dispersed Inorganic Nanoparticles Using Depletion Method
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Natural biomolecules for cell-interface engineering.

Tong-Kai Zhang1, Zi-Qian Yi1, Yao-Qi Huang1,2

  • 1State Key Laboratory of Silicate Materials for Architectures & State Key Laboratory of Advanced Technology for Materials Synthesis and Processing & School of Chemistry, Chemical Engineering and Life Sciences & Laoshan Laboratory & School of Materials Science and Engineering, Wuhan University of Technology Wuhan 430070 China weigeng@whut.edu.cn xyyang@whut.edu.cn.

Chemical Science
|January 30, 2025
PubMed
Summary
This summary is machine-generated.

Natural biomolecules enhance cell functions through cell-interface engineering. This review covers DNA polymers, amino acids, polyphenols, proteins, and polysaccharides for applications in energy, biocatalysis, therapy, and environmental remediation.

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Area of Science:

  • Biomaterials Science
  • Cell Engineering
  • Interface Science

Background:

  • Cell-interface engineering functionalizes cells by assembling materials around them, enhancing cellular functions.
  • Natural biomolecules are advantageous for biointerface engineering due to biocompatibility and abundant functional groups.

Purpose of the Study:

  • To review the development of natural biomolecules in cell-biointerface engineering.
  • To overview five main types of biomolecules used in constructing biointerfaces.
  • To highlight applications and future prospects in this field.

Main Methods:

  • Literature review of studies on natural biomolecules for cell-biointerface engineering.
  • Categorization of biomolecules into DNA polymers, amino acids, polyphenols, proteins, and polysaccharides.
  • Analysis of applications in green energy, biocatalysis, cell therapy, and environmental remediation.

Main Results:

  • Natural biomolecules are pivotal in cell-biointerface engineering.
  • Five key biomolecule types (DNA polymers, amino acids, polyphenols, proteins, polysaccharides) are effective in biointerface construction.
  • Diverse applications demonstrated in energy, biocatalysis, cell therapy, and environmental fields.

Conclusions:

  • Natural biomolecules offer significant potential for advancing cell-biointerface engineering.
  • Addressing current challenges can lead to next-generation cell engineering designs.
  • This field holds promise for innovations in green energy, biocatalysis, cell therapy, and environmental solutions.