Diquat poisoning is a fatal condition that is becoming increasingly common. The mortality risk of patients taking lethal doses of diquat is extremely high. It typically leads to rapid dysfunction of multiple organs, including the kidneys, heart, lungs, and brain. Acute kidney injury is usually the first manifestation of this poisoning. However, the optimal treatment strategy for diquat poisoning remains uncertain. Additionally, the mechanism of multiple organ dysfunction syndrome caused by diquat poisoning may resemble the progression of sepsis. In this report, we present 3 cases of diquat poisoning, all of which resulted in death. We emphasize that acute kidney injury is the primary cause of death, and suggest that some strategies used in the treatment of sepsis could be beneficial in managing diquat poisoning-induced acute kidney injury.
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Intramolecular distance-regulated G4 DNA enzymatic activity-based chromophotometric system for visual monitoring of diquat.
Anal Chim Acta
January 2025
Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China. Electronic address:
Background: As global food production continues to surge, the widespread use of herbicides has also increased concurrently, posing challenges like health risks and environmental pollution. Traditional detection methods for pesticide residues, such as diquat (DQ), were hampered by limitations like high expenses, lengthy detection times and complex operations, restricting their practical application in rapid clinical diagnosis.
Results: In light of the pressing necessity for the identification of minute pesticide residues and the intrinsic constraints of small molecule analysis, a novel chromophotometric biosensor targeting small molecules was developed based on bi-epitopes on single antibody to immobilize two DQ-PAL, inhibiting the hybridization of DQ-PAL.
[Protective effect of tumor necrosis factor receptor-associated factor 6 inhibitor C25-140 on acute kidney injury induced by diquat poisoning in mice].
Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
December 2024
Department of Emergency, Kweichow Moutai Hospital, Renhuai 564500, Guizhou, China. Corresponding author: Ou Renyang, Email:
Objective: To investigate the protective effect and mechanism of tumor necrosis factor receptor-associated factor 6 (TRAF6) inhibitor C25-140 on acute kidney injury (AKI) induced by acute diquat (DQ) poisoning in mice.
Methods: A total of 80 SPF grade healthy male C57BL/6 mice were randomly divided into the normal control group, DQ model group, C25-140 intervention group, and C25-140 control group, with 20 mice in each group. The DQ poisoning mouse model was established by using one-time intraperitoneal injection of 1 mL of 40 mg/kg DQ solution.
[Sulforaphane alleviates acute liver injury induced by diquat in mice by activating Keap1/Nrf2 signaling pathway].
Zhonghua Wei Zhong Bing Ji Jiu Yi Xue
November 2024
Department of Emergency, Kweichow Moutai Hospital, Zunyi 564500, Guizhou, China. Corresponding author: Zhou Manhong, Email:
Objective: To investigate the protective effect and possible mechanism of sulforaphane (SFN) on acute liver injury in mice induced by diquat (DQ) poisoning.
Methods: Forty-eight male C57BL/6 mice were divided into Control group, DQ model group (DQ group), SFN intervention group (DQ+SFN group), and SFN control group (SFN group) using a random number table method, with 12 mice in each group. Acute liver injury mice model was established by one-time intraperitoneal injection of 1 mL of 40 mg/kg DQ solution at once.
Metabolomics based early warning model for acute kidney injury risk in patients exposed to diquat.
Toxicol Appl Pharmacol
December 2024
Department of Hematology, The Fifth Medical Center of Chinese PLA General Hospital, No. 8 Dongda Street, Fengtai District, Beijing 100071, China. Electronic address:
Acute kidney injury (AKI) is one of the most important indications of severe clinical symptoms in patients with diquat poisoning and is closely related to poor prognosis. However, current studies have rarely focused on early warnings of diquat-related AKI, which is not conducive to the treatment of patients with early clinical diquat poisoning. In this study, untargeted plasma metabolomics was employed to reveal the differences between diquat-poisoned patients with and without AKI, as well as between patients and healthy volunteers.
View Article and Find Full Text PDFConstruction of a risk prediction model of diquat poisoning based on clinical indicators.
Crit Rev Toxicol
December 2024
Emergency Department, West China Hospital, Sichuan University, Chengdu, People's Republic of China.
This study aims to explore the clinical characteristics and prognostic factors in patients with diquat (DQ) poisoning and to develop a clinical risk assessment model to improve diagnosis and treatment strategies. Data from 60 patients with DQ poisoning, including basic characteristics, poisoning severity, and inflammatory response indicators, were collected. The plasma concentration of DQ was measured using liquid chromatography-mass spectrometry.
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