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A molecular study of hemotropic mycoplasmas (hemoplasmas) in cats in Iran

机译：伊朗猫的嗜血性支原体（hemoplasmas）的分子研究

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BackgroundThree feline hemoplasma species are recognized: Mycoplasma haemofelis, Candidatus Mycoplasma haemominutum', and Candidatus Mycoplasma turicensis'. These species can cause anemia in cats and have a worldwide distribution. ObjectivesThere was no previous information on hemotropic mycoplasma spp in cats in Iran and the Middle East. Accordingly, we investigated the molecular presence, and clinical signs and hematological profile in cats infected with these microorganisms in Iranian cats. MethodsPolymerase chain reaction (PCR) assays and cytology were performed on 100 blood samples collected from Iranian Shorthair cats. ACBC and case history were also collected for each sample. ResultsBy PCR, 22 (22%; 14-30%, 95% CI) samples were positive. The prevalence of M haemofelis, Ca M haemominutum', and Ca M turicensis' was 63.63% (14/22), 54.54% (12/22), and 18.18% (4/22), respectively. Some double and triple co-infections were also found. Using PCR as the reference method, cytology had poor sensitivity (27%) and reasonable specificity (89.74%). Male cats were at a higher risk of infection (P=.001). Cats older than 8years were more frequently infected than the younger cats (P=.0018). Lower HCT (P=.018), RBC count (P=.028) and HGB concentration (P=.003) were also associated with hemoplasma PCR-positive status. ConclusionsBased on this study, the most prevalent feline hemoplasma species in Iranian cats was M haemofelis, but double and triple co-infections are also documented. Age and sex, as well as reduced RBC parameters, were predisposing factors for hemoplasma infection
机译：背景识别出三种猫血友病物种：血型支原体，血型念珠菌和土耳假丝酵母。这些物种可以在猫中引起贫血，并且在世界范围内分布。目的以前没有关于伊朗和中东猫的嗜血性支原体spp的信息。因此，我们调查了在伊朗猫中被这些微生物感染的猫的分子存在，临床体征和血液学特征。方法对从伊朗短毛猫中采集的100份血液样本进行了聚合酶链反应（PCR）分析和细胞学检查。还为每个样本收集了ACBC和病历。结果通过PCR，22（22％; 14-30％，95％CI）样品为阳性。血红杆菌，Ca M haemominutum'和Ca M turicensis'的患病率分别为63.63％（14/22），54.54％（12/22）和18.18％（4/22）。还发现了一些双重和三次共同感染。用PCR作为参考方法，细胞学敏感性差（27％），特异性合理（89.74％）。公猫的感染风险较高（P = .001）。 8岁以上的猫比年轻的猫感染的频率更高（P = .0018）。较低的HCT（P = .018），RBC计数（P = .028）和HGB浓度（P = .003）也与血浆PCR阳性状态相关。结论根据这项研究，伊朗猫中最常见的猫血质物种是血友病，但也有双重和三次共同感染的记录。年龄和性别，以及降低的RBC参数，是导致血浆感染的诱因

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