Mast in Biological News

Common allergy drug reduces obesity and diabetes in mice

...e a population of inflammatory immune cells called mast cells. In the second study, researchers found that...h a connection when, in a previous study, he found mast cells present in a variety of inflammatory vascular diseases. mast cells are immune cells that facilitate healing in ...

Allergy season: Cigarettes to the rescue?

...he allergic response by inhibiting the activity of mast cells, the major players in the immune system's re...versity in the Netherlands found that treatment of mast cells with a cigarette smoke-infused solution prev... in response to allergens, without affecting other mast cell immune functions. The...

Just in time for spring: Scientists find the cellular on and off switch for allergies and asthma

...eate a type of immune cell (mast cells). Too many mast cells lead to an over-aggressive immune response, ...response (the "on switch") are added to developing mast cells, the developing cells die. Because bone marrow makes both mast cells and these cytokines, the researchers conclud...

Malfunction of the respiratory epithelium is a cause of allergy?

...helium of allergic patients but not of healthy subjects within one minute after the exposure. An allergic reaction developed when the allergen reached mast cells under the basement membrane. During the research it became evident that during spring, in allergic patients the birch pollen allergen Bet v 1...

A worm-and-mouse tale: B cells deserve more respect

...e body maintains to fight off invaders like bacteria, viruses, and parasites. Besides B cells, there are T cells, macrophages, neutrophils, monocytes, mast cells and others, all working in concert to keep an organism healthy. The cells cruise our bodies, looking to eliminate infectious threats before they...

Global warming linked to European viral epidemic

... Clement, "Since 1993, each NE peak has been preceded by increased autumnal mast formation the year before, resulting in yearly NE numbers significantly higher than those during the mast years themselves". PUUV is a hantavirus, a group of viruses known to cau...

New study finds uncontrollable stress worsens symptoms of endometriosis

...est colon length, the highest levels of MPO, the greatest number of colonic mast cells, and an increase in peritoneal fluid immune cell infiltration, all in...ikely a connection with the immune system because of the observed levels of mast cells in the colon and the increased levels of inflammatory cells in the pe...

Where college students live can impact their weight, eating and exercise habits

...est colon length, the highest levels of MPO, the greatest number of colonic mast cells, and an increase in peritoneal fluid immune cell infiltration, all in...ikely a connection with the immune system because of the observed levels of mast cells in the colon and the increased levels of inflammatory cells in the pe...

Study helps explain how allergic reactions are triggered

...fundamental discovery regarding the functioning of mast cells. Their findings appear in the January 2008 i...immune cells found in tissues throughout the body, mast cells were once exclusively known for their role i... Instructor of Medicine at Harvard Medical School. mast cells store inflammatory cytokines and compounds [...

An 'attractive' man-machine interface

... as component parts. Weve harnessed a biological control system, but we can control it at will, using magnetic forces. In a demonstration involving mast cells (a kind of cell in the immune system), Ingber and Mannix showed that the beads, when bound to cell receptors and exposed to a magnetic field, we...

Biophysical Society announces winners of 2008 Student Travel Awards

...vey, The Pennsylvania State University, Dynamics Imaging of Membrane Nanostructural Changes Associated with Antigen-Mediated IgE Receptor Signaling in mast Cells. Isabelle C. Dragomir, Drexel University, Characterization of Phenylalanine Based Short Peptides at Varying pHs, Temperatures, and Conc...

Warning from Asian bees

...wn how many more swarms might exist and how far afield they may have flown. Within a one kilometre radius from the first colony, disturbed in the mast of a yacht undergoing repairs after two years docked at a wharf in Cairns, three more swarms were found and the search widened. Already operating...

Researchers develop buckyballs to fight allergy

...r. Essentially, the buckyballs are able to prevent mast cells from releasing histamine. mast cells are responsible for causing allergic respons...e present in nearly all tissues except blood. When mast cells are activated, inflammatory substances such ...

White blood cells in lung produce histamine seen in allergies

... lung histamine, in health as well as disease, was mast cells, which are classically associated with aller...fection in the airway would release histamine from mast cells, and that would be one of the reasons," he e... a genetic abnormality that causes a total lack of mast cells; the other population was made up of normal,...

'Allergy cells' can aggravate cancer and psoriasis

... The body's mast cells are mainly associated with allergic reaction...arolinska Institutet have now demonstrated how the mast cells can also contribute to diseases like psoriasis and cancer. mast cells are most known for their association with al...

Stanford snake venom study shows that certain cells may eliminate poison

...rtment of Pathology. Using mice, they analyzed how mast cells, a vital part of the immune system in mammal...acted to the various venoms. The net effect of the mast cell response to the four venoms "is to enhance re...Galli, the paper's senior author. This helpful mast cell response runs contrary to the conventional wi...

'Nano-keys' bind cell receptors and trigger allergic reactions

...onses, Baird and her colleagues chose to work with mast cells. They were chosen because mast cells secrete chemicals and histamines (substances...(IgE) antibodies, which mount membrane proteins on mast cells to form receptor complexes that sense the en...

The shape of things to come: Morphology database going global

...ucture of plants and animals. Ronquist brought the project to FSU in 2003 when he was hired here. Besides him and Gaitros, the team includes Austin mast and Greg Erickson of biology; Robert van Engelen of computer science; Greg Riccardi, Corinne Jorgensen and Peter Jorgensen of the College of Informati...

Climate model links higher temperatures to prehistoric extinction

...nia Commonwealth University immunologists studying mast cells, known to play a central role in asthma and ...her step closer to understanding the life cycle of mast cells, and may help researchers develop new treatm...feron gamma (IFNγ induces death of developing mast cells in a mouse model system. Although IFNγ ...

VCU study shows hormone-like molecule kills cells that cause inflammation in allergic disease

...nia Commonwealth University immunologists studying mast cells, known to play a central role in asthma and ...her step closer to understanding the life cycle of mast cells, and may help researchers develop new treatm...feron gamma (IFNγ induces death of developing mast cells in a mouse model system. Although IFNγ ...

Potential treatments for neurofibromatosis

...munology, said one target of their efforts will be mast cells, which are immune system cells that are involved in asthma and allergic reactions. mast cells play a role in neurofibromatosis because the...d, the tumors emit chemical signals that cause the mast cells to congregate in tissues surrounding the tum...