While his mother was pregnant, technicians visited her apartment with a filtered vacuum cleaner to sample dust mites, mouse droppings and other material from her bedroom, kitchen and rugs.
The last thing a nice lady called Mary did at the London end was to sweep up the dust and mouse dirt from the floor and place them reverently in a plastic bag with a Stick-It label on the side, upon which she had written "Bacon dust".
The overworn floorboards creaked loudly and the space smelled like dust and mouse droppings, yet as the flashlight illuminated piles of broken furniture and old clocks and mysterious implements, it was easy to understand why Mr. Hall is so drawn to this space.
Inclusion criteria were as follows: clinical diagnosis of asthma, use of controller medication, reversibility of airway obstruction on spirometry post-bronchodilator or positive methacholine challenge, positive skin prick test or specific IgE test to common indoor allergens (dog, cat, cockroach, dust mite, mouse), and elevated allergen in the home dust sample.
Extensive data are collected to determine exposures to particulate matter < 2.5 microm in aerodynamic diameter (PM 2.5)), polycyclic aromatic hydrocarbons (PAHs), diesel exhaust particulate (DEP), nitrogen oxide, nonpersistent pesticides, home allergens (dust mite, mouse, cockroach), environmental tobacco smoke (ETS), and lead and other metals.
In the dog dust-exposed mice, there were fewer allergy-associated immune cells and those that were present produced fewer immune system molecules that tend to lead to a strong reaction. .
Jamon proposed that these trails develop from following scent left during earlier visits; he dusted wood mice with fluorescent pigments, which revealed trail-following to be non-random.
These studies use a house dust mite (HDM) mouse model of asthma/allergic airway disease.
New evidence indicates that rhinovirus-triggered asthma exacerbations become more severe as the degree of sensitization to dust mite and mouse increase.
Numerous studies have demonstrated high levels of allergens in schools including mold, cat, dog, mouse, dust mite, and cockroach allergen as well as high exposure to VOCs [22] [26], [54].
