Evidence map›Paper›PMID 40279082›Full record

ArticleBiological trace element research2025

Mercuric Chloride Aggravates Hyperglycemia-Induced Anxiety and Depressive-Like Behaviors in Type 2 Diabetic Rats: Breakdown of the Antioxidant Defense System.

Benloughmari Douae, Bikri Samir, El Aboubi Meriam, Yassif Fatima-Zahra, Aboussaleh Youssef

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Article in Biological trace element research, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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3 · Its place in the literature

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2 citing papers in PubMed.

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5 · Who and what money

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5 authors.

Benloughmari DouaeLaboratory of Biology and Health, Biology Department, Ibn Tofail University, Faculty of Sciences, Kenitra, Morocco.
Bikri SamirLaboratory of Biology and Health, Biology Department, Ibn Tofail University, Faculty of Sciences, Kenitra, Morocco. Samir.bikri@uit.ac.ma.ORCID http://orcid.org/0000-0001-9778-7708
El Aboubi MeriamLaboratory of Natural Resources and Sustainable Development, Biology Department, Ibn Tofail University, Faculty of Sciences, Kenitra, Morocco.
Yassif Fatima-ZahraLaboratory of Biology and Health, Biology Department, Ibn Tofail University, Faculty of Sciences, Kenitra, Morocco.
Aboussaleh YoussefLaboratory of Biology and Health, Biology Department, Ibn Tofail University, Faculty of Sciences, Kenitra, Morocco.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Introduction Type 2 diabetes mellitus (T2DM) is a global health problem frequently associated with biochemical disturbance and also, with a range of mental health disorders including such as anxiety and depression. Whereas, mercury chloride (HgCl₂) is a common environmental pollutant, which is neurotoxic and induces oxidative stress, especially in metabolic disorders like diabetes. The purpose of this investigation is to evaluate the interaction between hyperglycemia-induced oxidative stress and HgCl₂ toxicity and to assess their far-reaching effect spotlighted on biochemical and behavioral disturbances. By analyzing key oxidative stress markers and anxiety- and depression-like behaviors. Experimental design was carried out as follow: control group, HgCl₂-treated group, diabetic group and diabetic HgCl₂-treated group. Type 2 diabetes was induced in a diabetic model via streptozotocin (STZ) and nicotinamide (NA) injections. For the HgCl₂-exposed groups, rats were administered 0.375 mg/kg/day of HgCl₂ orally for 45 consecutive days. Additionally, behavioral tests were performed to examine anxiety- and depression-like behaviors, and hematological, biochemical, oxidative stress markers were assessed to evaluate systemic and neurotoxic effects. The results showed significant increases in fasting blood glucose levels in diabetic and HgCl₂-treated diabetic groups compared to controls (p < 0.001). Body weight significantly decreased in all treated groups (p < 0.05), with the greatest reduction observed in the HgCl₂-treated diabetic group. Behavioral analysis revealed heightened anxiety and depression-like behaviors, particularly in the HgCl₂-treated diabetic group (p < 0.05). Biochemical assessments indicated significant disruptions in lipid profiles and hepatic and renal markers, with pronounced effects in HgCl₂-treated diabetic rats (p < 0.05). Oxidative stress markers demonstrated elevated malondialdehyde and nitric oxide levels in the liver, hippocampus, and prefrontal cortex, paired with diminished antioxidant defences, including catalase and superoxide dismutase activities (p < 0.05). These findings underscore the synergistic role of hyperglycemia and HgCl₂ exposure in amplifying oxidative damage and emotional disturbances, suggesting a critical interplay between metabolic and neurotoxic pathways.

Indexed as

AntioxidantsAnxietyDepressionDiabetes Mellitus, ExperimentalDiabetes Mellitus, Type 2HyperglycemiaMercuric ChlorideAnimalsBehavior, AnimalBlood GlucoseMaleOxidative StressRatsRats, WistarAntioxidantsBlood GlucoseMercuric ChlorideAnxietyDepressionMercury chlorideOxidative stressType 2 diabetes

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.