Pseudomonas Infections in the Common Marmoset (Callithrix jacchus): Gross and Histopathological Findings

IF 0.8 4区 农林科学 Q3 VETERINARY SCIENCES
Victoria D. Silva, Pragathi B. Shridhar, Olga D. Gonzalez, Edward J. Dick Jr., Vinay Shivanna
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Abstract

Common marmosets (Callithrix jacchus) are a New World nonhuman primate (NHP) whose popularity as a research model continues to expand. Marmosets were identified as the predominant NHP species that is susceptible to spontaneous Pseudomonas infections based on a 27-year survey in a primate colony, encompassing several NHP species. 26 common marmosets were retrospectively identified and evaluated for spontaneous Pseudomonas spp. infections. Clinical symptoms included lethargy, weight loss, gastrointestinal issues (diarrhea, bloating, vomiting, poor appetite), increased respiratory effort, and difficulty urinating. Affected organs (larynx, lungs, liver, gallbladder, intestines, colon, uterus, and urinary bladder) appeared discolored, distended, or enlarged. Microscopic findings included inflammatory infiltrates, edema, necrosis, hemorrhage, and pseudomembranous lesions. Only animals with clinical symptoms or gross evidence of bacterial infection were cultured; therefore, the actual incidence of Pseudomonas spp. infections is unknown. We present the common and uncommon lesions associated with Pseudomonas infections in the common marmoset.

假单胞菌感染在普通狨猴:肉眼和组织病理学发现
普通狨猴(Callithrix jacchus)是一种新世界非人灵长类动物(NHP),其作为研究模型的受欢迎程度不断扩大。根据对灵长类动物群体27年的调查,绒猴被确定为主要的NHP物种,易受自发性假单胞菌感染。对26只常见狨猴进行了回顾性鉴定,并对其自发性假单胞菌感染进行了评估。临床症状包括嗜睡、体重减轻、胃肠道问题(腹泻、腹胀、呕吐、食欲不振)、呼吸困难和排尿困难。受累器官(喉、肺、肝、胆囊、肠、结肠、子宫和膀胱)出现变色、肿胀或增大。镜下表现包括炎症浸润、水肿、坏死、出血和假膜性病变。只培养有临床症状或明显细菌感染证据的动物;因此,假单胞菌感染的实际发生率是未知的。我们提出了常见的和不常见的病变与假单胞菌感染在普通狨猴。
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来源期刊
CiteScore
1.40
自引率
42.90%
发文量
62
审稿时长
6 months
期刊介绍: The Journal of Medical Primatology publishes research on non-human primates as models to study, prevent, and/or treat human diseases; subjects include veterinary medicine; morphology, physiology, reproductive biology, central nervous system, and cardiovascular diseases; husbandry, handling, experimental methodology, and management of non-human primate colonies and laboratories; non-human primate wildlife management; and behaviour and sociology as related to medical conditions and captive non-human primate needs. Published material includes: Original Manuscripts - research results; Case Reports - scientific documentation of a single clinical study; Short Papers - case histories, methodologies, and techniques of particular interest; Letters to the Editor - opinions, controversies and sporadic scientific observations; Perspectives – opinion piece about existing research on a particular topic; Minireviews – a concise review of existing literature; Book Reviews by invitation; Special Issues containing selected papers from specialized meetings; and Editorials and memoriams authored by the Editor-in-Chief.
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