Search results for "Sensitization"
showing 10 items of 237 documents
The Role of Mobile Health Technologies in Stratifying Patients for AIT and Its Cessation: The ARIA-EAACI Perspective.
2020
Allergen immunotherapy (AIT) is a proven therapeutic option for the treatment of allergic rhinitis and/or asthma. Many international or national practice guidelines have been produced, but the evidence-based method varies and they do not usually propose care pathways. The present article considers the possible role of mobile health in AIT for allergic rhinitis/asthma. There are no currently available validated biologic biomarkers that can predict AIT success, and mobile health biomarkers have some relevance. In the current article, the following aspects will be discussed: patient stratification for AIT, symptom-medication scores for the follow-up of patients, clinical trials, as well as the…
The role of NO in contact hypersensitivity
2001
Contact dermatitis or contact hypersensitivity (CHS) is a common T lymphocyte-mediated allergic disease characterized by local inflammatory skin reactions following contact with small reactive compounds called haptens. In common with other allergic processes, the development of contact dermatitis proceeds in two phases: a sensitization phase which occurs on first exposure to allergen, and an elicitation phase which occurs on subsequent exposure when the clinical manifestations of the disease are observed. This process is hapten-specific. While the pathophysiology of the sensitization phase is well characterized, our understanding of the elicitation phase is still incomplete, including the r…
An alternative allergen:adjuvant formulation potentiates the immunogenicity and reduces allergenicity of a novel subcutaneous immunotherapy product f…
2012
Background Subcutaneous specific immunotherapy (SCIT) has proven sustained clinical efficacy against allergy. The recommended regimen for SCIT is a gradual updosing over a period of weeks. Commonly, in commercial products for SCIT, the specific allergen is formulated with an adjuvant, most often in the form of aluminium hydroxide (AlOH). It has been shown that allergen-specific IgG antibodies are induced as a result of successful SIT. Objective To investigate the possibility of optimizing the formulation of AlOH-based grass-pollen allergy vaccines for SCIT in a way that allows for shorter updosing regimens while maintaining the immunogenicity of the vaccine. Methods Mice were immunized with…
Do Tr1 cells play a role in immunotherapy?
1999
Anaphylaktischer Schock nach Lipid-Austauschchromatographie bei einer Patientin mit angeborenem IgA-Mangel
1995
We report on a 59-year-old woman patient with selective IgA deficiency and familial hypercholesterinaemia. To lower elevated LDL levels in the patient's blood, immunoadsorption therapy with sheep-anti-human polyclonal antibodies coupled to sepharose columns was administered. During the procedure, the patient developed an anaphylactic shock requiring intensive care treatment. The patient's history revealed a fresh cell therapy with fetal sheep cells 10 years previously. Intracutaneous testing confirmed sensitization to sheep immunoglobulin, which was the most likely reason for the anaphylactic shock.
Immunogenicity of Semisynthetic Penicillins
1969
Allergic reactions following drug therapy with penicillin are a well known, unpleasant, rather frequent and occasionally dangerous phenomenon. The immunological processes leading to sensitization against Penicillin G (PG) and the factors operative in the elicitation of hypersensitivity reactions against the drug have mainly been elucidated by the extensive work of Eisen, Parker [25–27], DeWeck [41–45] and B. Levine [16–23]. Antibodies with penicilloyl specificity have been demonstrated in the serum of animals experimentally immunized with PG and more important in the majority of human beings suffering from allergy against penicillin. In vivo allergic reactions could be elicited with penicil…
Formalin-Fixed <i>Staphylococcus aureus</i> Particles Prevent Allergic Sensitization in a Murine Model of Type I Allergy
2007
<i>Background:</i> Bacterial infections are supposed to act counterregulatory to the development of allergen-specific Th2 immune responses. We analyzed whether administration of extracellular <i>Staphylococcus aureus</i> inhibited experimental sensitization against allergens. <i>Methods:</i> BALB/c mice were immunized with alum-adsorbed ovalbumin (OVA) together with formalin-fixed <i>Staphylococcus</i> particles. OVA-specific antibody production and cytokine synthesis by spleen cells was analyzed. Airway reactivity and cellular infiltration into the airways was assessed after intranasal challenge of mice with OVA. In addition, the capacity of …
IgG, IgA, and IgE Antibodies to Cow Milk Proteins in an Allergy Prevention Study
1991
In the last few years, several trials have been carried out to determine if certain feeding regimens in neonates prevent atopic diseases1–13. In our country, there is a continuing debate about nutritional supplementation of breast milk with hydrolysate formulas: in the first days of life should only newborns at allergy risk8,9,11,14, or should all newborns be fed only breast milk? This age is claimed to be an especially vulnerable period for a sensitization against foreign proteins because of intestinal immaturity and inexperienced gut-associated lymphoid tissue15. A prospective Danish study revealed cases of cow’s milk allergy only among those breastfed infants who had received cow’s milk …
A Multicenter Trial of Specific Local Nasal Immunotherapy
2000
Objective: To assess the efficacy and safety of specific local nasal immunotherapy (LNIT) in powder form in patients with allergic rhinitis, using subjective and objective parameters. Study Design: A double-blind randomized multicenter trial of 102 patients with allergic rhinitis who were treated with specific LNIT for 8 consecutive months. Methods: After identifying allergens with the skin prick test and sensitization threshold dose with the specific nasal provocation test, 102 patients were selected, of whom 55 were allergic to mites and 47 were allergic to Graminaceae or Parietaria pollen. The specific treatments were self-administered using an insufflator in two phases (phase 1: increas…