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The effects of physical exercise and smoking habits on the expression of SPLUNC1 in nasal lavage fluids from allergic rhinitis subjects
Linköpings universitet, Institutionen för klinisk och experimentell medicin, Avdelningen för kliniska vetenskaper. Linköpings universitet, Hälsouniversitetet.
Uppsala University, Sweden Thermo Fisher Science, Sweden .
Linköpings universitet, Institutionen för medicin och hälsa, Avdelningen för samhällsmedicin. Linköpings universitet, Hälsouniversitetet. Östergötlands Läns Landsting, Sinnescentrum, Smärt och rehabiliteringscentrum. Östergötlands Läns Landsting, Hjärt- och Medicincentrum, Arbets- och miljömedicin.
2014 (Engelska)Ingår i: International Journal of Pediatric Otorhinolaryngology, ISSN 0165-5876, E-ISSN 1872-8464, Vol. 78, nr 4, s. 618-622Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Objective: Palate lung nasal epithelial clone (PLUNC) is a family of proteins, which are proposed to participate in the innate immune defense against infections in the upper aero-digestive tract. The aim of this study was to investigate the expression of SPLUNC1 in allergic rhinitis subjects with considerations taken to the mucosa( function and smoking habits. Methods: The participants, recruited from a cohort followed from infancy, were re-examined at the age of 18 years regarding allergy development. Based on medical histories and skin prick tests the participants were classified into groups with persistent allergic rhinitis (n = 18), intermittent allergic rhinitis (n = 8) and healthy controls (n = 13). Seven subjects (3, 2 and 2 in each group, respectively) reported smoking habits. The SPLUNC1 levels in nasal lavage fluids were analyzed by Western blot. Changes in the volume of the proper nasal cavity before and after physical exercise (Vol2(increase)) were analyzed by acoustic rhinometiy. Results: Compared to the control group the SPLUNC1 level was significantly lower in the persistent allergy group (3.8 +/- 3.4 OD vs. 1.3 +/- 1.5 OD; p = 0.02), but not in the intermittent allergy group without current exposure to allergens (3.6 +/- 4.7 OD). No differences were found in Vol2(increase) between any of the allergy groups and controls. In smokers Vol2(increase) was significantly reduced (p less than 0.01) and the SPLUNC1 levels were lower compared to non-smokers. A significant correlation was found between SPLUNC1 and vol2(increase) (pless than0.01; r = 0.53) in non-smokers. Conclusions: Current allergen exposure has an impact on SPLUNC1 expression in nasal lavage fluid, why allergy ought to be considered in study populations where analyses of SPLUNC1 levels are included in the reports. The normal nasal decongestion after exercise was not affected by allergy in contrast to smoking habits. The correlation between SPLUNC1 levels and Vol2(increase) in non-smokers may indicate involvement of SPLUNC1 in the regulation of the normal function of the nasal mucosa. Complementary studies are needed to confirm the smoke-related reduction of SPLUNC1 expression and to analyze the possible participation of SPLUNC1 in the nasal mucosa regulation.

Ort, förlag, år, upplaga, sidor
Elsevier , 2014. Vol. 78, nr 4, s. 618-622
Nyckelord [en]
SPLUNC1 protein; Nasal lavage fluid; Allergic rhinitis; Smoking habits; Physical exercise; Acoustic rhinometry
Nationell ämneskategori
Klinisk medicin Cell- och molekylärbiologi
Identifikatorer
URN: urn:nbn:se:liu:diva-107460DOI: 10.1016/j.ijporl.2014.01.014ISI: 000336011300009OAI: oai:DiVA.org:liu-107460DiVA, id: diva2:724302
Tillgänglig från: 2014-06-12 Skapad: 2014-06-12 Senast uppdaterad: 2018-01-11

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Irander, KristinaGhafouri, Bijar

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