Airway responses induced by intranasal administration of mite allergen without adjuvant were studied in NC/Nga mice. A crude extract of Dermatophagoides farinae (Df) was administered for 5 consecutive days and a single intranasal challenge booster dose was given 1 week after the last sensitization. 24 h after the single challenge, the airway hyperresponsiveness (AHR) was measured and the bronch...

Intranasal administration of neuropeptide Y (NPY) is a promising treatment strategy to reduce traumatic stress-induced neuropsychiatric symptoms of posttraumatic stress disorder (PTSD). We evaluated the potential of intranasal NPY to prevent dysfunction of the hypothalamic-pituitary-adrenal (HPA) axis, a core neuroendocrine feature of PTSD. Rats were exposed to single prolonged stress (SPS), a ...

We have investigated the effects of IL-12 and cholera toxin (CT) on the immune response to tetanus toxoid (TT) given by intranasal or oral routes. CT inhibited IL-12-induced IFN-gamma secretion both in vivo and in vitro. Intranasal administration of IL-12 to mice nasally immunized with the combined vaccine of TT and CT resulted in increased TT-specific IgG2a and IgG3 Abs, while IgG1 and IgE Ab ...

  The immunogenicity of ten different formulations of intranasal diphtheria and tetanus vaccines which containing different absorption enhancers, adjuvants and other excipients were determined in guinea pigs by the serum neutralization (SN) method. From these ten formulations, it was selected four formulations which gave significant immunogenicity in guinea pigs. In order to design the "final f...

OBJECTIVES Ketamine is a well-known analgesic and dose-dependent anesthetic used in emergency and disaster medicine. Recently, a new formulation of S-ketamine, as an intranasal spray, was developed and tested in our institution in healthy volunteers. The authors investigated the effect of intranasal S-ketamine spray combined with midazolam intranasal spray in postoperative spinal surgery patien...

Pulmonary fibrosis can be experimentally induced in small rodents by bleomycin. The antibiotic is usually administered via the intratracheal or intranasal routes. In the present study, we investigated the oropharyngeal aspiration of bleomycin as an alternative route for the induction of lung fibrosis in rats and mice. The development of lung injury was followed in vivo by ultrashort echo time m...

BACKGROUND Human research investigating the impact of intranasal oxytocin on psychological processes has accelerated over the last two decades. No review of side effects, subjective reactions and safety is available. METHOD A systematic review of 38 randomised controlled trials conducted between 1990 and 2010 that investigated the central effects of intranasal oxytocin was undertaken. A syste...

The functions of hypothalamic-pituitary-thyroid axis are attenuated in type 1 diabetes mellitus due to insulin deficiency. The use of intranasally administered insulin is of considerable interest for treatment of diabetes and cognitive disorders, but its effect on the thyroid system has not been investigated yet. We studied the influence of long-term treatment with intranasal insulin on the hyp...