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Proteomics blood testing to distinguish chronic rhinosinusitis subtypes.

机译:蛋白质组学血液测试可区分慢性鼻-鼻窦炎亚型。

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摘要

OBJECTIVES: To evaluate the potential of surface enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS) proteomic profiling of serum samples to distinguish chronic rhinosinusitis subtypes. STUDY DESIGN: Translational study of serum samples from prospectively enrolled patients undergoing sinus surgery. METHODS: Patients undergoing endoscopic sinus surgery for chronic rhinosinusitis with nasal polyposis were prospectively enrolled in an ongoing, institutional review board approved proteomics study. SELDI-TOF-MS was performed on 42 serum samples in patients with chronic rhinosinusitis with nasal polyposis (15 patients diagnosed with allergic fungal rhinosinusitis, 10 patients with Samter's triad, and 17 with chronic rhinosinusitis with nasal polyposis). Classification tree analysis on protein spectra developed from peaks detected in the 0 to 100 kD range was performed to identify disease subtypes. RESULTS: SELDI-TOF-MS correctly identified patients with allergic fungal rhinosinusitis from serum samples with 84% sensitivity and 90% specificity, and correctly identified patients with Samter's triad with 88% sensitivity and 88% specificity in two subtype comparison groups. SELDI-TOF-MS correctly identified patients with allergic fungal rhinosinusitis with 76% sensitivity and 82% specificity, and correctly identified patients with Samter's triad with 80% sensitivity and 90% specificity in three subtype comparison groups. CONCLUSION: The study provides molecular evidence that allergic fungal rhinosinusitis is a discrete subtype of chronic rhinosinusitis. SELDI-TOF-MS is a promising technology that could lead to the development of a rapid blood test, to identify severe chronic rhinosinusitis subtypes. Further investigation into the utility of this technology is warranted.
机译:目的:评估血清样品表面增强激光解吸/电离飞行时间质谱(SELDI-TOF-MS)蛋白质组分析的潜力,以区分慢性鼻-鼻窦炎亚型。研究设计:拟接受鼻窦手术的患者血清样品的转化研究。方法:将接受内镜鼻窦手术治疗的慢性鼻-鼻窦炎伴鼻息肉的患者前瞻性纳入正在进行的,经过机构审查委员会批准的蛋白质组学研究。 SELDI-TOF-MS对患有鼻息肉的慢性鼻-鼻窦炎患者(其中15例被诊断为过敏性真菌性鼻-鼻窦炎,10例Samter's三联症和17例患有鼻息肉的慢性鼻-鼻窦炎)患者的42份血清样本进行了检测。对在0至100 kD范围内检测到的峰形成的蛋白质谱进行分类树分析,以鉴定疾病亚型。结果:SELDI-TOF-MS从血清样本中以84%的敏感性和90%的特异性正确鉴定了过敏性真菌鼻鼻窦炎的患者,并在两个亚型比较组中以88%的敏感性和88%的特异性正确鉴定了Samter's triad的患者。 SELDI-TOF-MS在三个亚型比较组中以76%的敏感性和82%的特异性正确鉴定了过敏性真菌鼻鼻窦炎患者,并以80%的敏感性和90%特异性正确鉴定了Samter's triad患者。结论:该研究提供了分子学证据,证明过敏性真菌性鼻-鼻窦炎是慢性鼻-鼻窦炎的离散亚型。 SELDI-TOF-MS是一种有前途的技术,可以导致快速验血的发展,以鉴定严重的慢性鼻-鼻窦炎亚型。有必要进一步研究该技术的实用性。

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