Cell Biology
Cell Biology - Related Videos
11:19
An Introduction to Stem Cell Biology
0 Views •
2023
Cells that can differentiate into a variety of cell types, known as stem cells, are at the center of one of the most exciting fields of science today. Stem cell biologists are working to understand the basic mechanisms that regulate how these cells function. These researchers are also interested in harnessing the remarkable potential of stem cells to treat human diseases. Here, JoVE presents an introduction to the captivating world of stem cell biology. We begin with a timeline of landmark...
04:42
Micro-scale Engineering for Cell Biology
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2007
07:28
Synthetic Biology
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2023
This video presents synthetic biology and its role in bioengineering. Synthetic biology refers to the methods used to genetically modify organisms in order to make them capable of producing large quantities of a product. This product could be a protein that the cell already makes or a new protein that has been encoded in a newly-inserted DNA sequence. Here, we discuss how an organism's genetic material is modified using transformation or transfection. Then, the process is shown in the...
09:21
Microcontact Printing of Proteins for Cell Biology
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Cited by 31 •
2008
Microcontact printing is used extensively to pattern proteins and other molecules on material surfaces. We demonstrate the basic steps of this process, stamping patterns of fibronectin onto glass.
13:44
Sealable Femtoliter Chamber Arrays for Cell-free Biology
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Cited by 6 •
2015
A microfabricated device with sealable femtoliter-volume reaction chambers is described. This report includes a protocol for sealing cell-free protein synthesis reactants inside these chambers for the purpose of understanding the role of crowding and confinement in gene expression.
FAQs
Selective permeability allows a cell membrane to regulate which substances enter and leave the cell. This control helps preserve internal conditions while supporting exchanges required for cellular activity. In cell biology, membrane behavior is therefore examined alongside signaling and transport processes to explain how cells remain functional despite changes in their surrounding environment.
Specialized organelles perform distinct cellular tasks, while signaling pathways transmit information that can alter cell behavior. Gene expression converts regulatory information into cellular components and activities. Studying these elements together helps researchers connect internal organization with changes in function, development, immune responses, and tissue behavior rather than treating each cellular process as isolated.
Cell-cycle controls coordinate when cells grow and divide, helping organize tissue development and repair. Regulation is important because cellular proliferation must remain linked to the organism's needs. Cell biology examines these controls to understand how normal tissues are maintained and how disruptions in cell-cycle regulation can contribute to disease, including cancer.
Microscopy reveals cellular structures and their organization, whereas cell culture provides a controlled setting for examining cellular behavior. Molecular genetics can connect particular genetic changes with cellular outcomes, and biochemical analysis examines molecular activities. Used together, these approaches allow researchers to relate visible cellular features to underlying mechanisms and functional changes.
Cell culture is useful when researchers need to examine cellular behavior under controlled conditions. It can be combined with microscopy, molecular genetics, or biochemical analysis to investigate structure, signaling, gene expression, energy conversion, or cell-cycle regulation. These experiments can provide evidence relevant to tissue function, disease mechanisms, drug discovery, and regenerative medicine.
Cell biology connects disruptions in cellular processes with conditions such as cancer and infection, creating a mechanistic basis for studying disease. Its findings also contribute to diagnostics, drug discovery, regenerative medicine, and biotechnology. By linking cellular behavior to development, immunity, and tissue function, researchers can evaluate how cellular knowledge may support medical and applied outcomes.