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The cell membrane (plasma membrane) is a thin semi-permeable membrane that surrounds the cytoplasm of a cell. Its function is to protect the integrity of the interior of the cell by allowing certain substances into the cell, while keeping other substances out. It also serves as a base of attachment for the cytoskeleton in some organisms and the cell wall in others. Thus the cell membrane also serves to help support the cell and help maintain its shape. Animal cells, plant cells, prokaryotic cells, and fungal cells have cell membranes.The cell membrane is primarily composed of a mix of proteins and lipids. Depending on the membrane’s location and role in the body, lipids can make up anywhere from 20 to 80 percent of the membrane, with the remainder being proteins. While lipids help to give membranes their flexibility, proteins monitor and maintain the cell's chemical climate and assist in the transfer of molecules across the membrane.OMICS Group through its Open Access Initiative is committed to make genuine and reliable contributions to the scientific community. OMICS Group hosts over 400 leading-edge peer reviewed Open Access journals and has organized over 300 scientific conferences all over the world. OMICS Publishing Group journals have over 3 million readers and the fame and success of the same can be attributed to the strong editorial board which contains over 30000 eminent personalities and the rapid, quality and quick review processing. OMICS Group Conferences make the perfect platform for global networking as it brings together renowned speakers and scientists across the globe to a most exciting and memorable scientific event filled with much enlightening interactive sessions, world class exhibitions and poster presentations.
Cell Membrane Lipids
Phospholipids are a major component of cell membranes. They form a lipid bilayer in which their hydrophillic (attracted to water) head areas spontaneously arrange to face the aqueous cytosol and the extracellular fluid, while their hydrophobic (repelled by water) tail areas face away from the cytosol and extracellular fluid. The lipid bilayer is semi-permeable,allowing only certain molecules to diffuse across the membrane.Cholesterol is another lipid component of cell membranes. It helps to stiffen cell membranes and is not found in the membranes of plant cells.Glycolipids are located on cell membrane surfaces and have a carbohydrate sugar chain attached to them. They help the cell to recognize other cells of the body.
Cell Membrane Proteins
Structural proteins help to give the cell support and shape. Cell membrane receptor proteins help cells communicate with their external environment through the use of hormones, neurotransmitters and other signaling molecules. Transport proteins, such as globular proteins, transport molecules across cell membranes through facilitated diffusion. Glycoproteins have a carbohydrate chain attached to them. They are embedded in the cell membrane and help in cell to cell communications and molecule transport across the membrane. Conferences/Workshops/Symposiums which are going to held in upcoming year are four in number.
•“5th International Congress on Cell Membranes and Oxidative Stress” 9th -12th September 2014, Isparta,Turkey
•“12th One-Day Symposium On Protein Folding And Stability”29th August 2014, Leuven,Belgium
•“Symposium on Theoretical and Computational Modeling of Biomembranes”22nd-28th September 2014,Rhodes,Greece
•“GTPases:Mechanisms,Interactions and Applications”,22nd-26th September 2014,Suzhou,China
Relevant Associations and Societies
Belgian Biophysical Society
American Physiological Society
This page will be updated regularly.
This page was last updated on 10th Oct, 2014
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