Cell-cell Communication
Cell-cell Communication - Related Videos
09:59
Single-cell Microinjection for Cell Communication Analysis
0 Views •
Cited by 7 •
2017
We describe here how to perform a single-cell microinjection of Lucifer Yellow to visualize cellular communication via gap-junctions in living cells, and provide some useful tips. We expect that this paper will help everyone to evaluate the degree of cellular coupling due to functional gap junctions. Everything described here could be, in principle, adapted to other fluorescent dyes with molecular weight below 1,000 Daltons.
01:37
Contact-Dependent Cell Communication
0 Views •
2026
Contact-dependent cell communication, as the name suggests, requires that communicating cells be in direct contact with each other. This is achieved either through receptor-ligand interactions or by specialized cytoplasmic channels that allow the flow of small molecules between cells. In animal cells, channels called gap junctions facilitate contact-dependent signaling in certain tissues, whereas plasmodesmata perform a similar function in plants.Juxtacrine SignalingJuxtacrine signaling...
01:03
Communication
0 Views •
2019
Communication between two animals occurs when one animal transmits an information signal that causes a change in the animal that receives the information. Organisms communicate with one another in a host of different ways. Signals can be auditory, chemical, visual, tactile, or a combination of these. Communication is a critical behavioral adaptation that promotes survival, growth, and reproduction. Types of Communication A common form of communication is visual. Visual communication can be...
06:13
Establishing a Co-Culture of Dental Pulp Cells and Trigeminal Neurons for Cross-Communication
0 Views •
2025
This video showcases a technique for establishing a co-culture of trigeminal neurons and primary dental pulp cells using a transwell filter. In this physically separated condition, mesenchymal cells obtained from dental pulp tissue secrete paracrine signaling molecules that traverse through the pores, promoting the differentiation and migration of neurons towards the mesenchymal cells establishing a co-culture system.
09:52
A Mimic of the Tumor Microenvironment: A Simple Method for Generating Enriched Cell Populations and Investigating Intercellular Communication
0 Views •
Cited by 8 •
2016
We adapted a permeable microporous membrane insert to mimic the tumor microenvironment (TME). The model consists of a mixed cell culture, allows simplified generation of highly enriched individual cell populations without using fluorescent tagging or cell sorting, and permits studying intercellular communication within the TME under normal or stress conditions.
FAQs
Receptors provide the specificity that allows a responding cell to recognize a particular signaling molecule. Once binding occurs, the receptor initiates intracellular pathways that transmit information through the cell and can alter gene expression or behavior. This mechanism explains how extracellular information becomes a controlled change in growth, differentiation, movement, or environmental response.
These communication routes differ mainly in how information reaches its target. Direct contact and cell junctions coordinate neighboring cells through physical connections, whereas released molecules act in the local environment or travel through the bloodstream. The route therefore helps determine which cells receive the message and whether the response remains localized or affects distant tissues.
Receptor specificity prevents every cell from responding identically to every signal. A message produces a response primarily in cells equipped to recognize it, allowing different cell populations to coordinate distinct activities within the same tissue. This selectivity supports organized development, tissue function, immune regulation, and maintenance of stable conditions across the organism.
A communication signal can influence more than one type of cellular activity because intracellular pathways connect reception with changes in gene expression and cell behavior. Depending on the responding cell and the information received, signaling may affect growth, differentiation, movement, or adaptation to changing conditions. Such coordinated responses help tissues function as integrated systems rather than isolated cell populations.
Researchers examine how signaling between cells organizes tissues and maintains homeostasis, meaning stable internal conditions. They consider the communication route, the receiving cell's receptor, the resulting intracellular pathway, and the observable change in gene expression or behavior. This framework connects molecular signaling with larger biological outcomes, including coordinated tissue activity and regulated immune responses.
Studying these signaling processes helps clarify how disease develops when coordination between cells is altered. In cancer, communication is relevant to abnormal tissue organization and cellular behavior; in inflammatory disorders, it relates to regulation of immune responses. Understanding these relationships can support the design of targeted therapies that act on particular signaling interactions or pathways.
Tissue-engineering strategies can draw on principles of cell-cell communication to coordinate the behaviors needed for organized tissue formation. Signals that influence growth, differentiation, movement, and responses to conditions provide a biological framework for directing cells within engineered systems. Applying this knowledge may help researchers design tissues that function through coordinated cellular activity rather than simple cell placement.