نتایج جستجو برای: nasal polys
تعداد نتایج: 44039 فیلتر نتایج به سال:
choanal polyps are a form of nasal polyps that grow toward the choana with a single stalk. septochoanal polyp is a rare entity that originates from the mucosa of the nasal septum with choanal extension. the most common site of its origin is mainly the superior aspect of the posterior portion of the nasal septum. however, metaplastic ossification is a rare event in nasal polyp and to the best of...
Background and Aim: Inflammation is relatively a documented pathogenic cause of chronic rhinocynositis and nasal polyps, but the definite causes are still unknown. Among the infective causes, we decided to evaluate Mycoplasma and Chlamydia, the two major pathogens in respiratory tract diseases, as a potential etiologies in nasal polys. Materials and Methods: In a descriptive-analytic cross-...
Jmjd6 (jumonji-domain-containing protein 6) is an Fe(II)- and 2OG (2-oxoglutarate)-dependent oxygenase that catalyses hydroxylation of lysine residues in proteins involved in pre-mRNA splicing. Jmjd6 plays an essential role in vertebrate embryonic development and has been shown to modulate alternative splicing in response to hypoxic stress. In the present study we show that an alternatively spl...
In the present work, polys tyrene (Ps) doped with Rhodamine 6G was prepared. The infrared absorption spectra were obtained and dis c u s s e d in the range (400-4000 cm ). A new band appeared -1 2 at 3300 cm due to NH in the spectra of PSRhodamine 6G. In the spectra of Ps – Rhodamine 6 -1 G this band appeared at 1599 ass igned to C = O s tretching vibration. This is due to interaction between t...
Tissue proteolytic enzymes are currently believed to be critical to the pathogenesis of panacinar emphysema. Polymorphonuclear leukocytes (Polys) have several enzymes including elastase and cathepsin G in their azurophil granules. They have collagenase in their specific granules. We have found that this collagenase is doubly latent. It has the lysosomal type of latency that depends on the imper...
BACKGROUND Being one of the most common nasal diseases, chronic rhinosinusitis (CRS) is subdivided into CRS with nasal polyps (NP) and CRS without nasal polyps (CRSsNP). CRSsNP presents itself with a TH1 milieu and neutrophil infiltration, while NP is characterised by a mixed TH1/TH2 profile and an influx of predominantly eosinophils, plasma cells and mast cells. For the purpose of discovering ...
Four ice-crystal models are tested by use of ice-cloud reflectances derived from Along Track Scanning Radiometer-2 (ATSR-2) and Polarization and Directionality of Earth's Reflectances (POLDER) radiance measurements. The analysis is based on dual-view ATSR-2 total reflectances of tropical cirrus and POLDER global-scale total and polarized reflectances of ice clouds at as many as 14 viewing direc...
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