Serum IgE against cross-reactive carbohydrate determinants (CCD) in healthy and atopic dogs.
Authors of this article are:
Piccione ML, DeBoer DJ.
A summary of the article is shown below:
in English, Chinese, 背景: 交叉反应性碳水化合物决定簇(CCD)是植物和昆虫常见的免疫球蛋白E(IgE)结合碳水化合物的结构。人们认为抗CCD IgE在临床上无关紧要,但有可能扰乱对血清学IgE检测的判读。先前的研究报道了在24-73%的异位性犬血清中检测到了抗CCD IgE; 而健康犬的检出率尚未见报道。 目的: 比较一组健康和异位性犬中抗CCD IgE的检出率。 动物: 分析61例健康犬和101例临床诊断为异位性皮炎犬的血清抗CCD的IgE。 方法和材料: 使用多种商业化过敏原特异性IgE测定法,检测血清中抗CCD IgE和环境过敏原IgE的存在。 结果: 在101例异位性犬血清中有17例(16.8%)抗CCD IgE; 61例(13.1%)健康犬血清中有8例检测到了抗CCD IgE(P = 0.65,Fisher精确检验)。所有具有抗CCD IgE的健康和异位性犬对草花粉都有较强的反应性。 结论和临床意义: 在健康和异位性犬中发现了类似的抗CCD IgE检出率。有必要进行进一步的研究,以确定抗CCD IgE抗体在犬体内的临床意义,如何最好地检测这些抗体,以及在诊断试验中阻断这些抗体是否具有临床价值。.French, CONTEXTE: Les CDD (cross-reactive carbohydrate determinants) sont des carbohydrates porteurs d’immunoglobulines E (IgE) fréquents pour les plantes et les insectes. Chez l’homme, les IgE anti-CDD sont considérés comme non significatifs cliniquement mais ayant un potentiel de confusion d’interprétation des tests sérologiques d’IgE. Les études précédentes rapportent la détection des IgE anti-CDD dans 24-73% des sera des chiens atopiques ; la prévalence chez le chien sain n’a pas été décrite.OBJECTIF: Comparer la prévalence des IgE anti-CDD dans un groupe de chiens sains et atopiques.SUJETS: Les sera de 61 chiens sains et 101 chiens atteints de dermatite atopique ont été analysés pour les IgE anti CDD. MATÉRIELS ET MÉTHODES: Les sera ont été analysés pour la présence des IgE anti-CDD et les IgE dirigés contre les allergènes environnementaux à l’aide d’un test commercial multiplex d’IgE spécifique d’allergènes. RÉSULTATS: Les IgE anti-CDD étaient détectés dans 17 des 101 (16,8%) sera de chiens atopiques et huit des 61 (13,1%) sera des chiens sains (P = 0.65, Fisher’s exact test). Tous les chiens sains et atopiques avec IgE anti-CDD avaient une forte réactivité aux pollens d’herbe.CONCLUSIONS ET IMPORTANCE CLINQUE: Une prévalence identique d’IgE anti-CDD a été trouvée chez les chiens sains et atopiques. Davantage d’études sont nécessaires pour déterminer la signification clinique des anticorps IgE anti-CDD chez le chien, comment les détecter au mieux et si leur blocage au cours des tests diagnostics ont une valeur clinique.German, HINTERGRUND: Kreuz-reaktive Kohlenhydrat Determinanten (CCD) sind Immunglobulin E (IgE)- bindende Kohlenhydrat Strukturen, die für Pflanzen und Insekten Spezies typisch sind. Beim Menschen hält man anti-CCD IgE für klinisch irrelevant, aber man geht davon aus, dass sie das Potential haben, die serologischen IgE Interpretationen durcheinander zu bringen. Frühere Studien berichteten vom Auftreten von anti-CCD IgE bei 24-73% der atopischen Sera von Hunden; die Prävalenz bei gesunden Hunden wurde bisher nicht publiziert. ZIEL: Ein Vergleich der Prävalenz von anti-CCD IgE in einer Gruppe gesunder und atopischer Hunde.TIERE: Sera von 61 gesunden Hunden und von 101 Hunden mit der klinischen Diagnose einer atopischen Dermatitis wurde auf IgE gegen CCD analysiert.METHODEN UND MATERIALIEN: Es wurden Sera auf das Vorkommen von anti-CCD IgE und IgE gegen Umweltallergene mittels kommerziellem Multiplex Allergen-spezifischem IgE Assay getestet.ERGEBNISSE: Anti-CCD IgE wurde bei 17 von 101 (16,8%) Sera von atopischen Hunden und bei acht von 61 (13,1%) Sera von gesunden Hunden (P = 0,65; Fisher´s Exact Test) gefunden. Alle gesunden und atopischen Hunde mit anti-CCD IgE zeigten eine stark positive Reaktivität zu Graspollen.SCHLUSSFOLGERUNGEN UND KLINISCHE BEDEUTUNG: Eine ähnliche Prävalenz von anti-CCD IgE wurde bei gesunden und atopischen Hunden gefunden. Weitere Untersuchungen sind nötig, um die klinische Signifikanz von anti-CCD IgE Antikörpern bei Hunden zu bestimmen, wie sie am besten bestimmt werden und ob ein Blockieren dieser Antikörper während dem diagnostischen Test von klinischem Wert ist.Japanese, 背景: 交差反応性炭水化物決定因子(CCD)は、植物および昆虫種に共通の免疫グロブリンE(IgE)結合炭水化物構造物である。人においては、抗CCD IgEは臨床的に無関係であると考えられているが、血清学的IgE検査の解釈を混乱させる可能性があると考えられている。既存の研究では、アトピー犬血清の24〜73%で抗CCD IgEが検出されたことが報告されている。健常犬の有病率は報告されていない。 目的: 本研究の目的は、健常犬群とアトピー犬群における抗CCD IgEの有病率を比較することである。 被験動物: 健常犬61頭およびアトピー性皮膚炎の臨床診断を受けた犬101頭の血清を、CCDに対するIgEについて解析した。 材料と方法: 市販の多重アレルゲン特異的IgEアッセイを用いて、血清を抗CCD IgEの存在および環境アレルゲンに対するIgEについて解析した。 結果: 抗CCD IgEは、101頭中17頭(16.8%)のアトピー犬血清と61頭中8頭(13.1%)の健常犬血清で検出された(P = 0.65、フィッシャーの正確検定)。抗CCD IgEを有した健常犬およびアトピー犬はすべて、イネ科植物の花粉に対して強い反応性を示した。 結論と臨床的重要性: 健常犬およびアトピー犬において、類似した抗CCD IgE有病率を検出した。犬における抗CCD IgE抗体の臨床的意義、それらの最良の検出方法、および診断検査中にこれらの抗体をブロッキングすることが臨床的価値を有するかどうかを判断するにはさらなる調査が必要である。.Portuguese, CONTEXTO: Os determinantes de carboidratos de reação cruzada (CCD) são estruturas de carboidratos que se ligam à imunoglobulina E (IgE), comuns a espécies de plantas e insetos. Em humanos, acredita-se que a IgE anti-CCD seja clinicamente irrelevante, mas possua o potencial de confundir interpretações do teste sorológico de IgE. Estudos anteriores relataram a detecção de IgE anti-CCD em 24-73% dos soros de cães atópicos; a prevalência em cães saudáveis não foi relatada.OBJETIVO: Comparar a prevalência de IgE anti-CCD em um grupo de cães saudáveis e atópicos.ANIMAIS: Os soros de 61 cães saudáveis e 101 cães com diagnóstico clínico de dermatite atópica foram pesquisados para a presença de IgE contra CCD. MÉTODOS E MATERIAIS: Os soros foram analisados quanto à presença de anti-CCD IgE e IgE contra alérgenos ambientais utilizando um ensaio multiplex comercial de IgE alérgeno-específico.RESULTADOS: A IgE anti-CCD foi detectada em 17 dos 101 (16,8%) soros de cães atópicos e oito dos 61 (13,1%) soros de cães saudáveis (P = 0,65, teste exato de Fisher). Todos os cães saudáveis e atópicos que tiveram IgE anti-CCD apresentaram forte reatividade ao pólen da gramíneas. CONCLUSÕES E IMPORTÂNCIA CLÍNICA: Observou-se uma prevalência semelhante de IgE anti-CCD em cães saudáveis e atópicos. Uma investigação mais aprofundada é necessária para determinar o significado clínico dos anticorpos IgE anti-CCD em cães, sua melhor forma de detecção e valor clínico do bloqueio desses anticorpos durante o teste diagnóstico.SpanishINTRODUCCIÓN: los determinantes de carbohidratos con reactividad cruzada (CCD) son estructuras de carbohidratos que se unen a la inmunoglobulina E (IgE) comunes a especies de plantas e insectos. En las personas, se cree que la IgE anti-CCD es clínicamente irrelevante, pero tiene el potencial de confundir las interpretaciones de la prueba de IgE serológica. Estudios anteriores informaron de la detección de IgE anti-CCD en un 24 a 73% de los sueros atópicos para perros; no se ha publicado la prevalencia en perros sanos. OBJETIVO: comparar la prevalencia de IgE anti-CCD en un grupo de perros sanos y atópicos. ANIMALES: se analizaron los sueros de 61 perros sanos y 101 perros con diagnóstico clínico de dermatitis atópica para detectar IgE contra CCD. MÉTODOS Y MATERIALES: se analizaron los sueros para determinar la presencia de IgE e IgE anti-CCD contra alérgenos ambientales usando un ensayo comercial de IgE multiplex específico para alérgenos. RESULTADOS: se detectó IgE anti-CCD en 17 de 101 (16,8%) de sueros de perros atópicos y ocho de 61 (13,1%) sueros de perros sanos (P = 0,65, prueba exacta de Fisher). Todos los perros sanos y atópicos con IgE anti-CCD tuvieron una fuerte reactividad a los pólenes de hierba. CONCLUSIONES E IMPORTANCIA CLÍNICA: se encontró una prevalencia similar de IgE anti-CCD en perros sanos y atópicos. Se justifica una investigación adicional para determinar la importancia clínica de los anticuerpos IgE anti-CCD en perros, cómo se detectan mejor y si el bloqueo de estos anticuerpos durante las pruebas de diagnóstico tiene valor clínico.BACKGROUND: Cross-reactive carbohydrate determinants (CCD) are Immunoglobulin E (IgE)-binding carbohydrate structures common to plant and insect species. In people, anti-CCD IgE is thought to be clinically irrelevant, but to have the potential to confound serological IgE test interpretations. Previous studies reported the detection of anti-CCD IgE in 24-73% of atopic dog sera; prevalence in healthy dogs has not been reported.OBJECTIVE: To compare the prevalence of anti-CCD IgE in a group of healthy and atopic dogs.ANIMALS: Sera from 61 healthy dogs and 101 dogs with a clinical diagnosis of atopic dermatitis were analyzed for IgE against CCD.METHODS AND MATERIALS: Sera were analyzed for the presence of anti-CCD IgE and IgE against environmental allergens using a commercial multiplex allergen-specific IgE assay.RESULTS: Anti-CCD IgE was detected in 17 of 101 (16.8%) atopic dog sera and eight of 61 (13.1%) healthy dog sera (P = 0.65, Fisher’s exact test). All healthy and atopic dogs with anti-CCD IgE had strong reactivity to grass pollens.CONCLUSIONS AND CLINICAL IMPORTANCE: A similar prevalence of anti-CCD IgE was found in healthy and atopic dogs. Further investigation is warranted to determine the clinical significance of anti-CCD IgE antibodies in dogs, how they are best detected and if blocking these antibodies during diagnostic testing has clinical value.© 2019 ESVD and ACVD.
Check out the article’s website on Pubmed for more information:
[link-preview url=https://www.ncbi.nlm.nih.gov/pubmed/31642119 forceshot=true]
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