Ochratoxin A: its impact on poultry gut health and microbiota, an overview.

Ochratoxin A: its impact on poultry gut health and microbiota, an overview.
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DOI:
10.1016/j.psj.2021.101037
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发表时间:
2021-05
期刊:
影响因子:
4.4
通讯作者:
Yang Y
Yang Y
中科院分区:
农林科学2区
文献类型:
--
作者:
Zhai S;Zhu Y;Feng P;Li M;Wang W;Yang L;Yang Y

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赭曲霉毒素A(OTA)是一种广泛存在的真菌毒素,具有很强的热稳定性,很难从饲料中去除。OTA对几种动物有肾毒性、肝毒性、致畸性、免疫毒性和肠道毒性。肠道是抵御饲料中存在的各种真菌毒素进入人体的第一道屏障,它通过肠-肝循环与其他组织紧密相连。与哺乳动物相比,家禽对OTA更敏感,吸收率更低。因此,肠道是家禽OTA的重要靶组织。本文综述了OTA在家禽肠道健康和肠道微生物区系中的作用,重点介绍了OTA对消化吸收过程、肠道屏障完整性、肠道组织形态、肠道免疫和肠道微生物区系的影响。根据迄今描述的研究,OTA可影响肠道生物失调,包括增加肠道通透性、免疫力和细菌易位,最终可导致肠道和其他器官损伤。虽然有许多研究调查了OTA对家禽肠道健康的影响,但还需要进一步的研究来更好地确定其潜在的作用机制,并开发预防或治疗家禽真菌中毒的干预措施。
Ochratoxin A (OTA) is a widespread mycotoxin, that has strong thermal stability, and is difficult to remove from feed. OTA is nephrotoxic, hepatotoxic, teratogenic, immunotoxic, and enterotoxic to several species of animals. The gut is the first defense barrier against various types of mycotoxins present in feed that enter the body, and it is closely connected to other tissues through enterohepatic circulation. Compared with mammals, poultry is more sensitive to OTA and has a lower absorption rate. Therefore, the gut is an important target tissue for OTA in poultry. This review comprehensively discusses the role of OTA in gut health and the gut microbiota of poultry, focusing on the effect of OTA on digestive and absorptive processes, intestinal barrier integrity, intestinal histomorphology, gut immunity, and gut microbiota. According to the studies described to date, OTA can affect gut dysbiosis, including increasing gut permeability, immunity, and bacterial translocation, and can eventually lead to gut and other organ injury. Although there are many studies investigating the effects of OTA on the gut health of poultry, further studies are needed to better characterize the underlying mechanisms of action and develop preventative or therapeutic interventions for mycotoxicosis in poultry.
中国传统药用种子中的真菌群和真菌毒素
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