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Phagocytes in Medical News

Snoring or soaring? Strength of fruit-fly immune system varies

... is the presence of circulatory cells called phagocytes that, like our own white blood cells, engulf and ... with those earlier findings, the activity of phagocytes in normal fruit flies oscillates with their ... an increase in the number of bacteria ingested by phagocytes in flies infected during resting versus active ...

JCI online early table of contents: Dec. 1, 2008

... known as mononuclear phagocytes, rather than phagocytes that are associated with inflammatory responses. ... away by mononuclear phagocytes, rather than phagocytes associated with inflammatory responses. In the ... that lactoferrin inhibited the migration of phagocytes associated with inflammatory responses but not ...

TV crime drama compound highlights immune cells' misdeeds

... bleach during the inflammatory process. When activated, cells known as phagocytes use MPO to make the bleach in pockets. They seek out and swallow invaders, ... come together in concentrated form in the living body are in active phagocytes containing MPO." When scientists dabbed an irritant onto the ears of ...

JCI table of contents: Feb. 21, 2008

... of oxygen radicals, such as superoxide, by immune cells known as phagocytes is crucial in the fight against infection with microorganisms. phagocytes use a protein complex known as phagocyte NADPH oxidase to produce ...

St. Jude finds link between cellular defense processes, showing how cancer cells survive

... for specific new molecules the cell needs. Immune system cells called phagocytes use phagocytosis for the outside job of environmental cleanup, engulfing ... binding of many molecules of the protein called LC3 into clumps. Certain phagocytes called macrophages that are on the prowl for germs use the TLR proteins on ...

Helicobacter pylori can multiply in autophagic vesicles

... mechanisms to increase its adherence and persistence in the host. In addition, it must also evade immune clearance. Elimination of H. pylori by phagocytes is inefficient because H. pylori exhibits several virulence factors to evade opsonization, retard phagocytosis, and disrupt membrane trafficking ...

Key to MRSA Virulence in Community Discovered

... body," he explained. Staphylococci, Tierno noted, induce pus formation by recruiting and activating white blood cells. "That very induction of phagocytes [neutrophils] is key to your successful eradication of the organisms in the body," he said. However, "Staph has a defense. These peptides that can ...

Montreal Researchers And US Develop Model Of Key Immune-System Component

... role in our normal immune defense, the organization and functioning of the phagosome are poorly understood." By analyzing a cell line of phagocytes from the Drosophila fruit fly, a common biological model, the researchers identified more than 600 proteins that may be involved with the operation ...
Phagocytes in Biological News

American Society for Microbiology honors George Liu

... worked on dissecting the function of Group B streptococcus (GBS) hemolysin. He showed that this toxin has an unusual dose effect that causes lysis of phagocytes at a higher dose, apoptosis at an intermediate dose, and downregulation of inflammation at a low dose. The golden color imparted by carotenoid ...

A paradigm shift in immune response regulation

... such as cancer, inflammation and immunodeficiency. The body's first line of defence against bacteria and viruses is the innate immune system where phagocytes identify the foreign organism and initiate an alarm reaction, often accompanied by inflammation. As a consequence, molecular cues are produced in the ...

White Blood Cell 'Waste Disposal' System Plays Critical Regulatory Role

... molecule called IL-23 that is produced by phagocytes has been shown to stimulate IL-17 production. Dr. ... observed that the amount of IL-23 produced by phagocytes was reduced when phagocytes actively ingested apoptotic neutrophils. ...

White blood cell waste disposal system plays critical regulatory role

... molecule called IL-23 that is produced by phagocytes has been shown to stimulate IL-17 production. Dr. ... observed that the amount of IL-23 produced by phagocytes was reduced when phagocytes actively ingested apoptotic neutrophils. ...

Researchers in Montréal and the US create model of key immune-system component

... role in our normal immune defense, the organization and functioning of the phagosome are poorly understood." By analyzing a cell line of phagocytes from the Drosophila fruit fly, a common biological model, the researchers identified more than 600 proteins that may be involved with the operation ...

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Phagocytes in Biological Technology

A single VSOP can do a 'proton' magic!

... protein of VSOP, Voltage Sensor Only Protein/ Hv1, can carry protons even without making a multimeric complex. Since VSOP is known to be expressed in phagocytes such as macrophage and neutrophil that remove infected pathogens, this finding may help to design new medications for enhancing the activities of ...

Taming the anthrax threat

... inside macrophages, the primary immune cells able to kill most bacteria. Somehow the bacterium avoids being killed and actually hijacks these phagocytes (microbe-killing cells), Bergman says. New drugs, he says, should target the bug during the brief window of vulnerability when the bacteria transform ...

Taming the anthrax threat

... inside macrophages, the primary immune cells able to kill most bacteria. Somehow the bacterium avoids being killed and actually hijacks these phagocytes (microbe-killing cells), Bergman says. New drugs, he says, should target the bug during the brief window of vulnerability when the bacteria transform ...
Phagocytes in Biological Definition

Antibody

... by their sheer size. The virus will be unable to dock to a cell and infect it, hindered by the antibody. They can also agglutinate them so the phagocytes can capture them. Antibodies that recognize bacteria mark them for ingestion by macrophages. Together with the plasma component complement , ...

B cell

... cells: Plasma B cells secrete antibodies which effect the destruction of antigens by binding to them and making them easier targets for phagocytes . Memory B cells are formed specific to the antigen(s) encountered during the primary immune response; able to live for a long time, these ...

Immune system

... by an attenuated response. There are congenital (inborn) and acquired forms of immune deficiency. Chronic granulomatous disease , in which phagocytes have trouble destroying pathogens, is an example of the former. AIDS ("Acquired Immune Deficiency Syndrome"), an infectious disease , caused by ...

Major histocompatibility complex

... The helper T cells then help to trigger an appropriate immune response which may include localized inflammation and swelling due to recruitment of phagocytes or may lead to a full-force antibody immune response due to activation of B cells. MHC evolution and allelic diversity MHC gene families are ...

Pseudopod

... Pseudopods also capture prey phagocytosis . Phagocytosis pseudopods have arisen in a number of different protist groups, but also in some cells ( phagocytes ) in multicellular organisms. Morphology Pseudopods can be classified into several varieties according to their appearance: Lobopodia ...

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Phagocytes in Biological Dictionary

Phagocytes

... phagocytes are the white blood cells that protect the ... in diameter. Monocytes and macrophages are phagocytes , acting in both non-specific defense ... ... buy or rent. New and used books like Mononuclear phagocytes Characteristics Physiology and Function ... ...

Phagocyte

... phagocytes are the white blood cells that protect the ... around the bacterium and engulfs it. ... phagocytes are the white blood cells that protect the ... When there is an infection, phagocytes move to the bacteria by ... The ...

Phagocytosis

... Phagocytosis is the cellular process of phagocytes and protists of engulfing solid particles by the cell membrane to form ... the ... process by which certain living cells called phagocytes ingest or engulf other cells or particles. The phagocyte may be a ...

Monocytes

... Online Shopping at SpotCost.com - New and used books like Mononuclear phagocytes Biology of Monocytes and Macrophages 4th edition by from Springer ... - Save up to 80%, buy or rent. New and used books like Mononuclear phagocytes Biology of Monocytes and Macrophages 4th ... Monocytes have ...

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