JP6355154B2 - 診断補助方法 - Google Patents
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- JP6355154B2 JP6355154B2 JP2014077126A JP2014077126A JP6355154B2 JP 6355154 B2 JP6355154 B2 JP 6355154B2 JP 2014077126 A JP2014077126 A JP 2014077126A JP 2014077126 A JP2014077126 A JP 2014077126A JP 6355154 B2 JP6355154 B2 JP 6355154B2
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Description
SLE及びRAを基礎疾患として有し、発熱(37.5℃以上)、白血球数上昇、CRP高値のいずれか1つを認めた患者を対象とした。血液検体を用いて、好中球及び単球上のCD64分子数値をフローサイトメーター(Cytomicstm FC 500, Beckman Coulter, Orange Country, CA, USA)で測定した。CD64分子数値の定量には、検量線作成のための蛍光標準ビーズ、BD QuantibritetmPE (Becton Dickinson, Franklin Lakes, NJ, USA)と、CD64を認識する抗体、BD Quantibritetm CD64 PE/CD45 PerCP (Becton Dickinson)を用いた。
SLEにおける好中球上CD64分子数値は低疾患活動性SLEで1707±579、高疾患活動性SLEで2835±1370、感染症合併SLEで8397±4450、健常人は1259±407であり、全ての群間に有意な差を認めた(p<0.05、低疾患活動性SLE vs 高疾患活動性SLE、p<0.001、低疾患活動性SLE vs 感染症合併SLE、低疾患活動性SLE vs 健常人、高疾患活動性SLE vs 感染症合併SLE、図1)。
RAにおける好中球上CD64分子数値は、低疾患活動性RAで1857±931、高疾患活動性SLEで1787±800、感染症合併SLEで9741±10233、健常人は1259±407であり、低疾患活動性RAと高疾患活動性RAの間に有意な差は認められなかったが、それ以外の全ての群間に有意な差を認めた(p<0.001、低疾患活動性RA vs 感染症合併RA、低疾患活動性RA vs 健常人、高疾患活動性RA vs 感染症合併RA、図5)。
RAにおける単球上CD64分子数値と好中球上CD64分子数値から算出した比は、低疾患活動性RAで13.0±3.5、高疾患活動性RAで17.0±5.5、感染症合併RAで8.0±4.7、健常人は14.0±3.65であり、低疾患活動性RAと健常人との間に有意な差は認められなかったが、それ以外のすべての群間に有意な差が認められた(p<0.01、低疾患活動性RA vs 高疾患活動性RA、p<0.001、低疾患活動性RA vs 感染症合併RA、高疾患活動性合併RA vs 感染症合併RA、高疾患活動性RA vs 感染症合併RA、図7)。そのため、単球に発現するCD64の発現量/好中球に発現するCD64の発現量の発現比が、8.0±4.7の場合は合併症であり、17.0±5.5の場合は高疾患活動性の関節リウマチであると識別することができる。なお、単球に発現するCD64の発現量/好中球に発現するCD64の発現量の発現比が、7.2±4.2の場合は合併症であり、16.0±4.5の場合は高疾患活動性の関節リウマチであると識別することも可能である。
Claims (2)
- 全身性エリテマトーデスと、全身性エリテマトーデス及び敗血症、肺炎、副鼻腔炎、帯状疱疹、蜂窩織炎、乳腺炎又は感冒の何れかである感染症の合併症とを識別するための診断補助方法であって、
単球に発現するCD64の発現量/好中球に発現するCD64の発現量の発現比が、7.2±3.0の場合は前記合併症であり、15.0±4.7の場合は全身性エリテマトーデスであると識別することを特徴とする診断補助方法。 - 関節リウマチと、関節リウマチ及び敗血症、消化管尖孔、尿路感染症、褥瘡、肺炎、敗血症、腸腰筋膿瘍、帯状疱疹、インフルエンザ、蜂窩織炎、菌血症、口唇ヘルペス、副鼻腔炎、腸炎又は上気道炎の何れかである感染症の合併症とを識別するための診断補助方法であって、
単球に発現するCD64の発現量/好中球に発現するCD64の発現量の発現比が、8.0±4.7の場合は前記合併症であり、17.0±5.5の場合は関節リウマチであると識別することを特徴とする診断補助方法。
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US12298309B2 (en) | 2016-09-06 | 2025-05-13 | Incelldx, Inc. | Methods of assaying neoplastic and neoplasia-related cells and uses thereof |
MX2019002578A (es) * | 2016-09-06 | 2019-09-18 | Incelldx Inc | Métodos de detección de la expresión del ligando 1 de muerte programada por célula y usos de los mismos. |
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