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Are Havanese Hypoallergenic Type dogs?
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Article copyright by: Karen Clark, Versailles Kennels UK

Do Havanese Have Dander?

Due to the ridiculous answers that breeders and owners had posted I set the record straight, What worries me is that people actually think that because they own a Havanese they're the latest internet freakin' expert.

So, this is FACT !

Q Do Havanese Have Dander ?

A: I have just been reading on a Hav fancy site , well actually its the canada havanese site about hypoallergenic dogs which although has some facts correct not all are , so here is the truth Dander is NOT the fur or hair of an animal its old skin cells , the OLDER the animal the more dander they will produce, the primary source of dander that people will come into contact with is Felis domesticus allergen I ans II this is a glycoprotein found in the sebaceous glands of the cat’s hair roots and in their sublingual salivary glands. It is also present in the urine of male cats.YOU DONT NEED TO HAVE A CAT LIVE WITH YOU TO HAVE THIS ALLERGEN IN YOUR HOUSEHOLD, this is because this sticks to clothing is on public transport in fact its almost everywhere.Dander is all around us and even found in pet free environments in part as its airborne so in fact we cant really escape it, Havanese HAVE dander just because they shed within themselves means nothing and has little if any effect upon how much they produce, what people seem to get confused with is that if a dog sheds within itself like Havanese then some will say its hypoallergenic, absolute twaddle,! A havanese loses hair of course it does but it doesnt shed hair like many other breeds, it will still have dust settle on and in its coat and will still in some people cause an allergic reaction. To reduce dander and dust within the home CLEAN UP using a warm wet damp cloth and bathe pets weekly, wont do much for their coats but it will help allergen sufferers !

Dander aslo has NOTHING to do with dry skin , here is some science showing the less informed that its protein based when the cat protein Fel d 1 is in the presence of very low doses of the ubiquitous environmental bacterial toxin, lipopolysaccharide (LPS), it activates the pathogen recognition receptor Toll-like receptor 4. Until now, it was not understood how Fel d 1 generated such a large inflammatory response in the immune system.Allergic reactions are the result of the immune system overreacting to a perceived danger. Instead of identifying and responding to a harmful virus or bacteria, it misidentifies different allergens, including dander (microscopic pieces of animal skin often accompanied by dried saliva from grooming), as dangerous and mounts an immune response.
In order to find out how Fel d 1 triggers these allergic reactions, the researchers exposed human cells to cat and dog dander proteins in the presence or absence of low levels of LPS. The researchers found that when the bacterial toxin LPS is present, it increases the signalling to the body’s immune system, intensifying the body’s inflammatory response to the cat protein Fel d 1.
They also discovered that the part of the immune system that recognises the LPS contaminated Fel d 1 is the pathogen recognition receptor Toll-like receptor 4 (TLR4). (TLR4 also plays a role in a heightened immune response, and subsequent allergic reaction, to dust mite allergens and as well as the metal nickel.) The researchers then used a drug which inhibits the TLR4 response and found that it blocks the effects of the cat dander protein on human cells, thereby preventing an inflammatory response.

- See more at: 
http://www.cam.ac.uk/research/news/new-research-reveals-how-cat-dander-triggers-allergic-responses
New research reveals how cat dander triggers allergic responses
Immune system’s extreme reaction to cat allergen... (click the above link to read full article)
cam.ac.uk
www.cam.ac.uk
cam.ac.uk
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