Login

Join for Free!
118857 members




Biology Articles » Cell biology

Cell biology

Cell Biology is the branch of science that studies cells at the microscopic or at the molecular level. It includes studying the cells’ physiological properties, structures, organelles, interactions with their environment, life cycle, division and apoptosis.


Cell biology Articles

Why Is The Helix Such A Popular Shape? Perhaps Because They Are Nature's Space Savers
Something about nature loves a helix, the ubiquitous spiral shape taken on by DNA and many other molecules found in the cells of living creatures.

Date: 17 Feb 2007, Rating: 6.00

Elevated Testosterone Kills Nerve Cells
A Yale School of Medicine study shows for the first time that a high level of testosterone, such as that caused by the use of steroids to increase muscle mass or for replacement therapy, can lead to a catastrophic loss of brain cells.

Date: 17 Feb 2007, Rating: 7.50

Glycogen synthase kinase 3 has a limited role in cell cycle regulation of cyclin D1 levels
These studies were undertaken to test the possibility that phosphorylation by GSK3 is responsible for the S phase specific decline in cyclin D1 levels...

Date: 15 Feb 2007, Rating: 6.00, 8 pages

Scratching the (T cell) surface
Using a genome-scale approach to study transcription levels in a human CD8+ T-cell clone, a recent study has suggested that the repertoire of molecules on the surface of T cells is close to being completely characterized.

Date: 15 Feb 2007, Rating: 3.00, 3 pages

Qualitative and quantitative characteristics of the extracellular DNA delivered to the nucleus of a living cell
In this work, the authors focused on the research into the behavior of fragmented DNA when it enters the cell compartments of MCF-7 cells.

Date: 13 Feb 2007, Rating: not rated, 10 pages

Good, Bad Blood Cells: They Form Clots, Fight Inflammation
It's a case of miscommunication with catastrophic consequences.

Date: 16 Oct 2006, Rating: 4.29

Discovery of the Porosome: revealing the molecular mechanism of secretion and membrane fusion in cells
The discovery of the porosome, its isolation, its structure and dynamics at nm resolution and in real time, its biochemical composition and functional reconstitution, are discussed.

Date: 27 Oct 2006, Rating: 8.78, 9 pages

The story of cell secretion: events leading to the discovery of the 'porosome' - the universal secretory machinery in cells
This review outlines the fascinating and exciting journey leading to the discovery of the porosome, ultimately solving one of the most difficult, significant, and fundamental cellular process -cell secretion.

Date: 27 Oct 2006, Rating: 8.80, 6 pages

Molecular Machinery and Mechanism of Cell Secretion
A minireview about the universal molecular machinery and mechanism of secretion in cells.

Date: 27 Oct 2006, Rating: 7.46, 9 pages

Membrane fusion in cells: molecular machinery and mechanisms
A minireview about the molecular mechanism of SNARE-induced membrane fusion in cells

Date: 27 Oct 2006, Rating: 6.40, 6 pages

Scientists Find Molecular Switch That Inhibits Fat Cell Development
Scientists have discovered a molecular switch that controls the formation of fat cells in mice.

Date: 25 Oct 2006, Rating: 3.00

University Of Chicago Researchers Uncover First Steps In Cell-Cell Adhesion Process
For the first time, researchers describe in detail how neighboring skin cells adhere to one another to form sealed barriers.

Date: 25 Oct 2006, Rating: 1.00

Hide And Seek: Researchers Discover A New Way For Infectious Bacteria To Enter Cells
French scientists have learned how Listeria monocytogenes,which causes a major food-borne illness, commandeers cellular transportmachinery to invade cells and hide from the body's immune system.

Date: 25 Oct 2006, Rating: 7.50

Dying Cells Encourage Neighbors To Grow
Researchers have uncovered specific mechanisms by which cells that are genetically programmed to commit suicide stimulate growth in surrounding cells.

Date: 25 Oct 2006, Rating: 6.60

Blocking "Engulfment" Gives Dying Cells New Lease On Life
Multicellular life is a balance between cell survival and cell death.

Date: 25 Oct 2006, Rating: not rated

New Method Lets Researchers Study Heart Cell Communication
Scientists at the University of North Carolina at Chapel Hill are using a new way to study how heart muscle cells communicate electrical and chemical messages.

Date: 25 Oct 2006, Rating: 6.60

Decision Making At The Cellular Level
It's a wonder cells make it through the day with the barrage of cues and messages they receive and transmit to direct the most basic and necessary functions of life.

Date: 25 Oct 2006, Rating: 7.50

A critical role for endocytosis in Wnt signaling
A necessary component of Wnt signaling occurs in a subcellular compartment distinct from the plasma membrane.

Date: 11 Oct 2006, Rating: not rated, 8 pages

Control and maintenance of mammalian cell size
This analysis explains how cell size is maintained through a combination of interdivision time variation and cell growth rate variation.

Date: 11 Oct 2006, Rating: not rated, 7 pages

Food For Thought: Cells Dine On Their Own Brains To Stay Fit And Trim
Eating your own brain may not sound like a sensible approach to prolonging your life, but researchers have discovered that some single-celled organisms essentially do just that to keep themselves healthy.

Date: 5 Oct 2006, Rating: not rated