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Tag: "histamine" at medical news

Chilean President's Cousin Successfully Tests Allergy 'Knockout' Technique on Mice

...ous array of pro-inflammatory substances, of which histamine is a well-known example. They later on attract inflammatory cells that will maintain the response, which often persists as a chronic disease. Bachelet's study has led to the identification of a receptor protein on mast cells, termed CD300a, which h...

Allergic Individuals Should Keep Away from Cats, Say UK Scientists

...e body into producing histamine, a protein. The histamine produces swelling and irritation of the upper airw...face of immune cells. This triggers the release of histamine in the body, causing symptoms such as itching, sneezing and runny eyes and nose. ...

AAAAI Offers Advice on Stinging Insect Allergies

...eacts with the venom. This triggers the release of histamine and other chemicals that cause allergic symptoms and, in the most severe of cases, a rapid fall in blood pressure, loss of consciousness and sometimes even death. Because a severe and sometimes fatal reaction can occur, it is important to know what...

Doctors in UK Promoting Awareness of Gastro-oesophageal Reflux Disease

... over-the-counter medications such as antacids and histamine antagonists (drugs to counter histamines). Histamines are chemicals found in plant and animal tissue and released from certain type of cells as part of an allergic reaction in humans. It stimulates gastric secretion and causes dilation of capillari...

Scientists Uncover Cause of Antipsychotic Drug Weight Gain

... the same extent as clozapine. To confirm that the histamine receptor connects the drug, AMPK activity and appe...clozapine to mice genetically engineered without a histamine receptor. Results? Peace. No heightened AMPK activity. “Histamine also has a long history as a ...

WBC in Lung Produces Histamine: Study

... nose, watery eyes, and wheezing. They say that histamine can be produced in large amounts in the lung by Ne...he first to show that lung neutrophils can produce histamine in significant quantities, according to principal investigator George Caughey, MD, chief of pulmonar...

Anti Inflammatory Evaluation Of Plumeria Acuminata Leaves

...ves of Plumeria Acuminata on carrageenan, dextran, histamine and serotonin-induced inflammation in rat hind paw... g were used. In acute model carrageenan, dextran, histamine and serotonin models were used to induce inflammation in rat hind paw and cotton pellet-induced gran...

Holiday Season Could Ring in “Heartburn Season

...oods likely to cause them heartburn can now take a histamine receptor blocker (H2 blockers), which slow the production of stomach acid and are generally available over the counter. “Most people suffering from heartburn get it every now and then. Those are the people who really benefit from this on-demand the...

Substance P May Pre-empt VIP in Regulating Temperature

...Minson and additional colleagues reported that the histamine 1 receptor, which is involved in seasonal allergies, has a role in skin blood flow changes during heat stress. Minson’s research primarily focuses on the basic physiological mechanisms of skin blood flow, but he also collaborates with scientists el...

Potential New Therapeutic Target for Asthma, Allergies and Cancer

...ecrete a number of inflammatory substances such as histamine and S1P when activated by an inflammatory stimulus. Spiegel said that S1P in turn amplifies allergic and inflammatory responses. Therefore, S1P secreted from mast cells can orchestrate many allergic responses, including asthma, she said. Source-New...

Allergy OTC Medicines–Speak With Your Pharmacis

..., chances are it’s the body’s reaction to elevated histamine levels. For that group of symptoms, an antihistamine could be sufficient by itself. However, many antihistamines have the ability to make people drowsy. Certainly, the sleepiness side effect could have some serious consequences for those who need t...

Cancer and psoriasis triggered by mast cells

...linked to allergic reaction in a manner with which histamine and other inflammatory substances are released. However, researchers at Karolinska// Institute have now shown how mast cells can cause diseases like psoriasis and cancer. Mast cells have been known for their relationship with allergic reactions, a...

Passive Smoking Worsens Allergies

...ody produced in response to allergen exposure) and histamine (one of the substances responsible for the symptom...pants who were exposed to ragweed/clean air. Nasal histamine levels were also 3.3 times higher for those exposed to ragweed/secondhand smoke than those who were ...

New Treatment For People Allergic To Cats

...lled gamma Feline domesticus causes the release of histamine in people allergic to cats. The latest innovation ...tivate the antibody that could stop the release of histamine on being associated with cats. The new treatment consists of a new protein containing cat allergen...

Controlling Allergies Before They Start

... blocking the pathway within the mast cell, so the histamine is never released. However ,currently, the drug does not have a name and is referred to as R112 and specialists say the effects of the drug will be similar to nasal steroids, but rather than the normal three to four weeks it takes for steroids to re...

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