Cell Growth
Cell Growth - Related Videos
13:11
Video Bioinformatics Analysis of Human Embryonic Stem Cell Colony Growth
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Cited by 17 •
2010
Video bioinformatics is the automated processing, analysis, understanding, and data mining of biological spatio-temporal data extracted from microscopic videos. The purpose of this article is to demonstrate a method for measuring human embryonic stem cell colony growth using a video bioinformatics method.
18:27
Preparing T Cell Growth Factor from Rat Splenocytes
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Cited by 12 •
2007
We describe the preparation of T cell growth factor used for the in vitro expansion of antigen-specific rat T lymphocyte lines.
10:45
In Situ Visualization of Axon Growth and Growth Cone Dynamics in Acute Ex Vivo Embryonic Brain Slice Cultures
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Cited by 4 •
2021
This protocol demonstrates a straightforward and robust method to study in situ axon growth and growth cone dynamics. It describes how to prepare ex vivo physiologically relevant acute brain slices and provides a user-friendly analysis pipeline.
11:46
Axon Stretch Growth: The Mechanotransduction of Neuronal Growth
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Cited by 30 •
2011
A unique tissue engineering method was developed to elongate numerous nerve fibers in culture by recapitulating axon stretch growth; a form of nervous system growth whereby nerves elongate in conjunction with growth of the enlarging body.
02:36
Cells Coordinate Growth and Proliferation
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2023
Cell size is a significant factor impacting cellular design, function, and fitness. There exists some internal coordination by which cells double their masses before division, thus, achieving homeostasis. Coordination between cell growth and proliferation depends on the checkpoints in between cell cycle phases. Loss of coordination or failure in the checkpoint mechanism can drive the cell to uncontrolled growth and loss of cellular function. Like dividing cells that coordinate cellular growth,...
FAQs
Nutrient uptake supplies the raw materials and energy-related inputs needed to build cellular biomass. The cell then coordinates the synthesis of proteins, lipids, nucleic acids, and other components. Because these products contribute to different aspects of cellular structure and function, growth depends on their integrated production rather than on the accumulation of a single molecular type.
Regulatory signals integrate energy availability with cell-cycle progression, helping coordinate increases in cellular material with the timing of cell division. This connection prevents growth-related biosynthesis from being considered separately from proliferation. In multicellular organisms, such coordination helps support organized tissue formation and maintenance rather than uncontrolled or poorly timed cellular expansion.
These measurements describe related but distinct outcomes. Cell size indicates expansion of individual cells, cell number reflects population increase, and biomass captures the amount of cellular material. Selecting among them depends on the biological question, such as studying cellular enlargement, reproduction, or overall material accumulation. Using the appropriate measure improves interpretation of experimental results.
Disrupted regulation can affect biological organization at several levels. In developing organisms, inappropriate control may contribute to developmental abnormalities, while in tissues it can support processes associated with cancer. These outcomes show why nutrient use, biosynthetic activity, signaling, and cell-cycle progression must remain coordinated when cells form, maintain, or repair multicellular structures.
Biologists can assess growth by tracking changes in cell number, individual cell size, or total biomass. The selected measurement should match the process under investigation and the type of outcome expected. These measurements provide a way to examine how cells respond to altered metabolism, gene regulation, environmental conditions, drug exposure, or disease-related mechanisms.
Growth measurements help connect cellular behavior with the systems that control material production and energy use. Changes in size, number, or biomass can reveal consequences of altered metabolism or gene regulation, even when the underlying molecular events are being studied separately. This makes growth a practical outcome for investigating how cells coordinate biosynthesis with broader biological programs.
Researchers can use changes in cell number, size, or biomass to examine how cells respond to drugs or disease-associated conditions. Such measurements may indicate altered proliferation, material accumulation, or cellular maintenance without relying on a single growth criterion. In this context, cell growth analysis supports investigations of drug responses and mechanisms linked to disease, including cancer.