scholarly journals Redox and essential metal status in the brain of Wistar rats acutely exposed to a cadmium and lead mixture

2020 ◽  
Vol 71 (3) ◽  
pp. 197-204
Author(s):  
Dragana Javorac ◽  
Aleksandra Buha Đorđević ◽  
Milena Anđelković ◽  
Simona Tatović ◽  
Katarina Baralić ◽  
...  
Keyword(s):  
Wistar Rats ◽  
Molecular Mechanisms ◽  
Real Life ◽  
Thiobarbituric Acid ◽  
Control Group ◽  
Special Importance ◽  
Essential Metal ◽  
Cadmium And Lead ◽  
The Brain ◽  
Insight Into

AbstractMost Pb and Cd neurotoxicity studies investigate exposure to either of the toxic metals alone, while data on co-exposure are scarce. The aim of our study was to fill that gap by investigating acute combined effects of Pb and Cd on redox and essential metal status in the brain of Wistar rats. Animals were randomised in four groups of six to eight rats, which received 15 or 30 mg/kg of Cd, 150 mg/kg of Pb, or 150 mg/kg of Pb + 15 mg/kg of Cd by gavage. The fifth, control, group received distilled water only. Co-treatment with Pb and Cd induced significant increase in malondialdehyde (MDA) and thiobarbituric acid-reactive substances (TBARS) compared to control and groups receiving either metal alone. This is of special importance, as MDA presence in the brain has been implicated in many neurodegenerative disorders. The groups did not significantly differ in Zn, Cu, Mn, and Fe brain levels. Our findings highlight the importance of metal mixture studies. Neurotoxicity assessments of single chemicals do not provide a real insight into exposure to mixtures in real life. Further research should look into interactions between these metals to reveal complex molecular mechanisms of their neurotoxicity.

scholarly journals Expression of NMDA receptor and microRNA-219 in rats submitted to cerebral ischemia associated with alcoholism

2017 ◽  
Vol 75 (1) ◽  
pp. 30-35 ◽  
Author(s):  
Cristiane Iozzi Silva ◽  
Paulo Cézar Novais ◽  
Andressa Romualdo Rodrigues ◽  
Camila A.M. Carvalho ◽  
Benedicto Oscar Colli ◽  
...  
Keyword(s):  
Gene Expression ◽  
Cerebral Ischemia ◽  
Brain Tissue ◽  
Wistar Rats ◽  
Molecular Mechanisms ◽  
Inverse Correlation ◽  
Control Group ◽  
The Brain ◽  
Lower Expression ◽  
Control Sham

ABSTRACT Alcohol consumption aggravates injuries caused by ischemia. Many molecular mechanisms are involved in the pathophysiology of cerebral ischemia, including neurotransmitter expression, which is regulated by microRNAs. Objective: To evaluate the microRNA-219 and NMDA expression in brain tissue and blood of animals subjected to cerebral ischemia associated with alcoholism. Methods: Fifty Wistar rats were divided into groups: control, sham, ischemic, alcoholic, and ischemic plus alcoholic. The expression of microRNA-219 and NMDA were analyzed by real-time PCR. Results: When compared to the control group, the microRNA-219 in brain tissue was less expressed in the ischemic, alcoholic, and ischemic plus alcoholic groups. In the blood, this microRNA had lower expression in alcoholic and ischemic plus alcoholic groups. In the brain tissue the NMDA gene expression was greater in the ischemic, alcoholic, and ischemic plus alcoholic groups. Conclusion: A possible modulation of NMDA by microRNA-219 was observed with an inverse correlation between them.

scholarly journals Anticarcinogenic effect of probiotic fermented milk and chlorophyllin on aflatoxin-B1-induced liver carcinogenesis in rats

2011 ◽  
Vol 107 (7) ◽  
pp. 1006-1016 ◽  
Author(s):  
M. Kumar ◽  
V. Verma ◽  
R. Nagpal ◽  
A. Kumar ◽  
P. V. Behare ◽  
...  
Keyword(s):  
Wistar Rats ◽  
Lactobacillus Rhamnosus ◽  
Thiobarbituric Acid ◽  
Fermented Milk ◽  
Hepatoprotective Effect ◽  
Control Group ◽  
Time Interval ◽  
Group I ◽  
Male Wistar Rats ◽  
Aflatoxin B

The present investigation was carried out to evaluate the hepatoprotective effect of probiotic fermented milk (FM) containing Lactobacillus rhamnosus GG and Lactobacillus casei strain Shirota, alone as well as in combination with chlorophyllin (CHL) as an antioxidant agent in male Wistar rats administered aflatoxin-B1 (AFB1). AFB1 was injected intraperitoneally at the rate of 450 μg/kg body weight per animal twice a week for 6 weeks, maintaining an equal time interval between the two consecutive AFB1 administrations. A total of 125 male Wistar rats were randomly allocated to five groups, each group having twenty-five animals. Group I was offered FM containing L. rhamnosus GG and L. casei strain Shirota. Group II was administered AFB1 and served as the control group; group III was administered FM-AFB1, in which besides administering AFB1, FM was also offered. Group IV was offered CHL and AFB1, and group V was offered both FM and CHL along with AFB1. The rats were euthanised at the 15th and 25th week of the experiment and examined for the biochemical and hepatopathological profile. A significant reduction in thiobarbituric acid-reactive substances (TBARS) was observed in the FM–CHL–AFB1 group compared with the AFB1 control group. FM alone or in combination with CHL was found to show a significant (P < 0·05) hepatoprotective effect by lowering the levels of TBARS and by enhancing the activities of antioxidant enzymes such as glutathione peroxidase, superoxide dismutase, catalase and glutathione-S-transferase, indicating that probiotic FM alone or in combination with CHL possesses a potent protective effect against AFB1-induced hepatic damage.

scholarly journals Modafinil Effects on Behavior and Oxidative Damage Parameters in Brain of Wistar Rats

2014 ◽  
Vol 2014 ◽  
pp. 1-7 ◽  
Author(s):  
Felipe Ornell ◽  
Samira S. Valvassori ◽  
Amanda V. Steckert ◽  
Pedro F. Deroza ◽  
Wilson R. Resende ◽  
...  
Keyword(s):  
Oxidative Damage ◽  
Open Field ◽  
Wistar Rats ◽  
Thiobarbituric Acid ◽  
Protein Carbonyl ◽  
Behavioral Changes ◽  
Protein Damage ◽  
Behavioral Parameters ◽  
Carbonyl Formation ◽  
The Brain

The effects of modafinil (MD) on behavioral and oxidative damage to protein and lipid in the brain of rats were evaluated. Wistar rats were given a single administration by gavage of water or MD (75, 150, or 300 mg/kg). Behavioral parameters were evaluated in open-field apparatus 1, 2, and 3 h after drug administration. Thiobarbituric acid reactive substances (TBARS) and protein carbonyl formation were measured in the brain. MD increased locomotor activity at the highest dose 1 and 3 h after administration. MD administration at the dose of 300 mg/kg increased visits to the center of open-field 1 h after administration; however, 3 h after administration, all administered doses of MD increased visits to the open-field center. MD 300 mg/kg increased lipid damage in the amygdala, hippocampus, and striatum. Besides, MD increased protein damage in the prefrontal cortex, amygdala, and hippocampus; however, this effect varies depending on the dose administered. In contrast, the administration of MD 75 and 300 mg/kg decreased the protein damage in the striatum. This study demonstrated that the MD administration induces behavioral changes, which was depending on the dose used. In addition, the effects of MD on oxidative damage parameters seemed to be in specific brain region and doses.

IMMUNOHISTOCHEMICAL STUDIES OF BLOOD BRAIN BARRIER AFTER ADMINISTRATION OF ABHRAK BHASM IN WISTAR RATS

2021 ◽  
pp. 13-19
Author(s):  
Amita Singh ◽  
Raj Kumar ◽  
S. K. Kannaujia ◽  
Manikrishna Manikrishna ◽  
N. P. Singh
Keyword(s):  
Blood Brain Barrier ◽  
Wistar Rats ◽  
Brain Parenchyma ◽  
Brain Barrier ◽  
Major Constituent ◽  
Control Group ◽  
Blood Brain ◽  
Biological Studies ◽  
Immunohistochemical Studies ◽  
The Brain

Abhrak bhasma (AB) is a type of bhasma prepared from repeated incineration of mineral mica with decoctions of about 72 herbs. The particle size of Abhrak bhasm has been shown to be in the range of 29-88 nanometers and Fe, Ca, Si, Mg and K are found to be as major constituent. Many drugs developed to treat Central Nervous System (CNS) disorders are unable to reach the brain parenchyma in therapeutically relevant concentrations. The blood brain barrier protects brain parenchyma from the uctuation of plasma composition, from pathogenic agents and maintains homeostasis of the brain parenchyma by restricting non-specic ux of ions, peptides, proteins and even cells into and out the brain. Immunohistochemistry is being widely employed as a tool for biological studies. This study is conducted to examine the change in the continuity of Blood brain barrier by using immunohistochemistry, once Abhrak bhasm drug is given in experimental animal and also to examine the histology of organs. In this study a total of 30 adult albino Wistar rats of approximately 4 months age (approx. 150-200 gms) of either sex selected randomly to see the effect of Abhrak bhasm, an ayurvedic drug on Wistar rats. The rats were weighed, marked and divided into 5 groups each consisting of six animals. In normal control group (Group E), no drug was administered and in rest of the four treated groups (Group-A,B,C,D), Abhrak bhasm @ 36 mg/kg B.wt. was administered orally once in each rat. Brain, liver, kidneys,spleen and blood samples were collected in 10% formalin solution after euthanizing the rats at 0.5,2,6 & 12 hours of Abhrak bhasma drug intervention. The alterations in any of the biochemical parameters are within the tolerable limits of liver and kidney since the dose of abhrak bhasm did not affect liver and kidneys. In the present study, the increase in ALP level may be the result of alterations in metabolisms that occurred without any signicant alteration in histology of liver. After applying the immunohistochemistry with the research markers GFAP, CD 34, S 100, GLUT-1 and RECA-1 on the rats in groups A,B,C and D, there was no change in the intensity of immunohistochemistry, with respect to control. While on applying the Occludin, the intensity of immunohistochemistry was reduced in all the treatment groups as compared to the control group. On the basis of ndings of present study it can be concluded that the therapeutic dose of Abhrak bhasma causes changes at the level of tight junctions present in blood brain barrier in rats which is shown by immunohistochemistry with occludin research marker. There is no toxic effect of drug on different organs of rats as no signicant changes in histology of organs are seen. More studies need to be done to check the permeability of blood brain barrier for Abhrak bhasma drug, like calculating its concentration in brain tissues and other vital organs of rat.

scholarly journals The Potential Impact of Moringa oleifera for Diminishing the Microbial contamination and Prolonging the Quality and Shelf-Life of Chilled Meat

2021 ◽  
Author(s):  
Mohamed Hamada ◽  
Mabrouk Abd Eldaim ◽  
Said I. Fathalla ◽  
Ayman El Behiry ◽  
Mohamed Alkafafy
Keyword(s):  
Shelf Life ◽  
Moringa Oleifera ◽  
Thiobarbituric Acid ◽  
Control Group ◽  
Standard Diet ◽  
Breast Meat ◽  
E Coli ◽  
Potential Impact ◽  
Cadmium And Lead ◽  
Quality And Shelf Life

This study was implemented to assess the mechanism by which Moringa oleifera leaf extract (MOLE) improves the quality and prolongs shelf-life of the broilers’ breast meat. Ninety Cobb chicks were randomly allocated to 3 groups. A control group received the standard diet, whereas the other two groups received diets containing MOLE at the doses of 250 and 500 mg/kg for 21 days. Inclusion of MOLE in broilers diet significantly reduced the detrimental changes in the overall sensory attribute scores, characteristic color and odor, and the loss of breast muscle elasticity during storage. Furthermore, it significantly reduced concentrations of thiobarbituric acid, total volatile nitrogen, non-esterified fatty acids, and peroxide, during storage compared to the control samples. No effect on the concentrations of heavy metals, such as copper, cadmium, and lead, was observed. Decomposition of samples was delayed as indicated by lower pH values and higher sensory scores at 4 and 6 days of storage in the MOLE groups. Reduced contamination with E. coli and Salmonella species indicated an antibacterial effect of MOLE. Finally, the present study highlights that MOLE supplementation may play a role in improving quality and shelf-life of the chilled breast meat in broilers.

Effect of progesterone on phosphamidon-induced impairment of memory and oxidative stress in rats

2011 ◽  
Vol 30 (10) ◽  
pp. 1626-1634 ◽  
Author(s):  
Amit K Sharma ◽  
Swapan K Bhattacharya ◽  
Naresh Khanna ◽  
Ashok K Tripathi ◽  
Tarun Arora ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Cognitive Function ◽  
Organophosphorus Pesticides ◽  
Thiobarbituric Acid ◽  
Treated Group ◽  
Control Group ◽  
Protein Thiols ◽  
Acute And Chronic Exposure ◽  
The Brain ◽  
And Oxidative Stress

Progesterone (a neurosteroid) is an important modulator of the nervous system functioning. Organophosphorus pesticides like phosphamidon have been shown to adversely affect memory and induce oxidative stress on both acute and chronic exposure. The present study was therefore designed to investigate the effects of progesterone (PROG) on phosphamidon-induced modulation of cognitive function and oxidative stress in rats. Cognitive function was assessed using step-down latency (SDL) on a passive avoidance apparatus and transfer latency (TL) on an elevated plus maze. Oxidative stress was assessed by examining the levels of thiobarbituric acid reactive species (TBARS) and non-protein thiols (NP-SH) in isolated homogenized whole brain samples. The results showed a significant reduction in SDL and prolongation of TL in the phosphamidon (1.74 mg/kg/d; p.o.) treated group at weeks 6 and 8 as compared to the control group. Two weeks treatment with PROG (15 mg/kg/d; i.p.) antagonized the effect of phosphamidon on SDL as well as TL. Phosphamidon alone produced a significant increase in the brain TBARS levels and decrease in the brain NP-SH levels. Treatment with PROG (15 mg/kg/d; i.p.) attenuated the effect of phosphamidon on oxidative stress. Together, the results showed that progesterone attenuated the cognitive dysfunction and increased oxidative stress induced by phosphamidon in the brain.

scholarly journals Study of troponin, creatine kinase biomarkers, and histopathological lesions in experimental Nerium oleander toxicity in rats and mice

2018 ◽  
Vol 62 (1) ◽  
pp. 97-102 ◽  
Author(s):  
Monireh Khordadmehr ◽  
Saeed Nazifi
Keyword(s):  
Creatine Kinase ◽  
Wistar Rats ◽  
Inflammatory Cells ◽  
Serum Levels ◽  
Nerium Oleander ◽  
Control Group ◽  
Histopathological Lesions ◽  
Control Serum ◽  
Rats And Mice ◽  
The Brain

AbstractIntroductionNerium oleander is a plant of the Apocynaceae family toxic to humans, animals, and insects. This study was performed to determine the cardiac and neurotoxicity of the plant extract by oral administration in Wistar rats and Balb/c mice and to compare the susceptibility of these animal models to oleander toxicity.Material and MethodsFour groups of eight mice and eight rats received N. oleander extract orally while a fifth group was the control. Serum concentrations of the biochemical toxicity indicators, namely troponin and creatine kinase (CK), were determined and histopathological evaluation of the heart and brain was performed.ResultsIn mice, CK and troponin concentrations were respectively 1.5 and 7 times higher than in the control group (P < 0.05), while in rats, they were 6–7 and 11 times higher. Hyperaemia, haemorrhage, and myofibrolysis, without infiltration of inflammatory cells, were observed in the heart. In the brain the authors observed hyperaemia associated with perivascular and perineuronal oedema, and in higher-dosed rats multifocal haemorrhagic and liquefactive necrotic lesions.ConclusionOleander can affect serum levels of CK and troponin due to nervous and cardiac injuries. Rats showed more severe changes in the biochemical indicators and histopathological lesions than mice. Therefore, biochemical and pathological findings indicate that Wistar rats are more susceptible to the cardiac toxicity and neurotoxicity effects of N. oleander poisoning than Balb/c mice.

scholarly journals Haematological Study on the Effects of Goko Cleanser (Herbal Mixture) on Adult Female Wistar Rats

2021 ◽  
pp. 8-19
Author(s):  
Darlington Nnamdi Onyejike ◽  
McWilliams, Winifred Chidera ◽  
Mmaju, Chidinma Ifeyinwa ◽  
Okeke, Somadina Nnamdi ◽  
Obiesie, Ifechukwu Justicia ◽  
...  
Keyword(s):  
Adult Female ◽  
Wistar Rats ◽  
The Body ◽  
Control Group ◽  
Herbal Mixture ◽  
Female Wistar Rats ◽  
Group 3 ◽  
Haematological Study ◽  
The Brain ◽  
Herbal Mixtures

Introduction: Goko cleanser is one of the popular herbal mixtures used by the Nigerian populace. This study was carried out to evaluate the effects of this herbal mixture on some haematological parameters of adult female Wistar rats. Methodology: A total of twenty five Wistar rats weighing about 160 – 280g were divided into five groups according to their corresponding weights. The groups were designated as groups 1 – 5. Group 1 served as the control group, while groups 2, 3, 4, and 5 received 1000mg/Kg, 1500mg/Kg, 2000mg/Kg and 4000mg/Kg respectively. Results: The TWBC, PCV, PLATELET count, and RBC and Hb showed a statistically significant (p<0.05) increase for the test groups 2 – 5 when compared to the control group. The body weight had a statistically significant (p<0.05) decrease in groups 2, 4, and 5; while group 3 had a statistically insignificant (p>0.05) decrease. Conclusion and Recommendation: This study revealed that Goko Cleanser contains some haemopoietic benefits, but inhibit appetite centres. Hence, this study recommends that further study be carried out on the effects of this herbal mixture on the brain so as to reveal the extent of its effect on the appetite centres.

scholarly journals INTOXICAÇÃO SUBAGUDA AO MANGANÊS EM RATOS WISTAR ADULTOS: AVALIAÇÃO DE PARÂMETROS OXIDATIVOS NO SNC E DEPOSIÇÃO DO METAL EM DIFERENTES TECIDOS

2018 ◽  
Vol 7 (2) ◽  
pp. 193-210
Author(s):  
Maria Victória Branco Flores ◽  
Tuany Eichwald ◽  
Analú Mantovani ◽  
Viviane Glaser ◽  
Carine Raquel Richter Schimitz ◽  
...  
Keyword(s):  
Body Weight ◽  
Mitochondrial Function ◽  
Complex I ◽  
Body Weight Gain ◽  
Thiobarbituric Acid ◽  
Significant Inhibition ◽  
The Body ◽  
Control Group ◽  
Peripheral Tissues ◽  
The Brain

O Manganês (Mn) é um metal essencial para o organismo. É distribuído no ambiente e utilizado em processos industriais. Apesar de essencial, é neurotóxico à exposições cumulativas, causando uma desordem neurológica, o Manganismo. O estudo avaliou o efeito da administração subaguda de Mn sob a forma de cloreto e acetato de Mn, sobre a função mitocondrial e parâmetros oxidativos no encéfalo, bem como o acúmulo deste metal no encéfalo e tecidos periféricos de ratos adultos. Os ratos receberam 6 mg/kg de Mn i.p. na forma de cloreto ou acetato de Mn, 5 dias/semana por 4 semanas. O grupo controle recebeu solução salina 0,9% pela mesma via de administração e mesmo período. Foi mensurada a concentração de substâncias reativas ao ácido tiobarbitúrico (TBARS) e grupamentos NPSH, a atividade dos complexos I e II da cadeia respiratória no encéfalo e/ou estruturas cerebrais, bem como o peso corporal e a concentração de Mn e Fe no soro, encéfalo, tecido renal e hepático. Foi observada uma diminuição no ganho de peso corporal dos animais que receberam o Mn, um aumento na concentração/depósito de Mn no soro, encéfalo e tecido renal, tanto na forma de cloreto e acetato de Mn, quando comparados com o grupo controle. Além disso, houve um aumento significativo no conteúdo de NPSH no encéfalo e, embora não significativo, uma tendência de aumento da concentração de TBARS, no grupo que recebeu cloreto de Mn. Ainda, foi verificada uma inibição na atividade do complexo I no estriado dos animais expostos ao cloreto de Mn. Não houve diferença entre os grupos nas atividades do complexo I e II no encéfalo e hipocampo. Em conjunto, os dados indicam que a exposição ao Mn em baixas doses contribui para o desenvolvimento de estresse oxidativo e disfunção mitocondrial no SNC, com aparente predileção de dano ao estriado.Palavras-chave: Manganês. Exposição subaguda. Parâmetros oxidativos. Função mitocondrial. MANGANESE SUBACUTE INTOXICATION IN ADULT WISTAR RATS: EVALUATION OF OXIDATIVE PARAMETERS IN CNS AND METAL DEPOSITION IN DIFFERENT TISSUES ABSTRACT: Mn is an essential metal to the organism. It is distributed in the environment and used in industrial processes. Although essential, it is neurotoxic to cumulative exposures, and can cause a neurological disorder, called Manganism. This study evaluated the effect of subacute Mn as chloride and acetate of Mn administration on mitochondrial function and oxidative parameters in adult rat brain, as well as the accumulation of this metal in the brain and peripheral tissues. The rats received 6 mg/kg of Mn i.p., as Mn chloride or Mn acetate, 5 days/week for 4 weeks. The control group received 0.9% of saline solution in the same way of administration and in the same period. It was measured the concentration of thiobarbituric acid reactive substances (TBARS) and NPSH groups, the activity of mitochondrial complex I and II in brain and/or in the brain structures, as well as the body weight and the concentration of Mn and Fe accumulation. It was observed a decrease on body weight gain in animals exposed to Mn and an increase of concentration/deposit of Mn in serum, brain and kidney, in the both Mn chloride and acetate form when compared to the control group. In addition, there was a significant increase in brain NPSH content and, although it was not significant, a trend of increasing on TBARS concentration in the group that received Mn. Besides that, a significant inhibition of complex I activity was observed in the striatum of the animals exposed to Mn. There was not difference between groups on complex I and II in the brain and hippocampus. Together, these data indicate that exposure to Mn at low doses contributes to the development of oxidative stress and mitochondrial dysfunction in the CNS, with apparent predilection of striatum damage.Keywords: Manganese. Subacute exposure. Oxidative parameters. Mitochondrial function.

scholarly journals Neurodegenerative Observations on the Cerebral Cortex of Adult Wistar Rats Following Mercury Chloride Induced Cortical Damage in Adult Wistar Rats

2021 ◽  
pp. 7-16
Author(s):  
A. J. Ajibade ◽  
P. B. Fakunle ◽  
T. S. Owolabi
Keyword(s):  
Cerebral Cortex ◽  
Wistar Rats ◽  
Pyramidal Neurons ◽  
Wistar Rat ◽  
Food Preservation ◽  
Control Group ◽  
Mercury Chloride ◽  
Body Weights ◽  
Group A ◽  
The Brain

Background: Mercury is a widespread environmental and industrial pollutant that is used in food preservation, cosmetics, pharmaceutical companies and laboratories. The aim of this present study was to investigate the possible effects of mercury chloride (HgCl2) exposure on the cerebral cortex of adult wista rats; and also to evaluate the effects of mercury on biochemical parameters. Materials and Methods: Thirty six (36) adult wistar rats of both sexes, weighing between 110 g-300 g were randomly divided into four groups A, B, C and D with nine animals per group. The animals in groups B, C, and D were administered mercury chloride orally at the concentration of 0.2 mg/kg, 0.4mg and 0.5 mg/kg body weights respectively while group (A) served as control and was given distilled water. The administration lasted for a period of 21 days.  The brain was carefully removed and weigh immediately with sensitive balance, part of it was homogenized for biochemical analysis (MDA, GSH and NO). The remaining part was then fixed in 10% formol calcium fluid and processed for histopathological studies using H and E stains. Results: The results revealed a decrease in animal body weights from all the groups in comparison with the control group (A) which showed an insignificant decrease (P>0.05), group B showed an insignificant decrease (P>0.05) while group C and D showed statistically significant decrease (P<0.05). The brain weights revealed statistically insignificant decrease in the treated groups when compared with the control group. The biochemical evaluation revealed a statistically significant increase (P<0.05) in the level of MDA (Malondialdehyde) in the treated groups when compared with the control group, GSH (Glutathione) revealed statistically significant decrease (P<0.05) in the treated groups and NO (Nitric Oxide) revealed statistically significant increase (P<0.05) in the treated groups as compared to the control group. The histological observation revealed degenerative changes in the cortex of treated groups that were characterized by clustered Pyknotics pyramidal neurons that appear with fragmented cytoplasm and condensed nuclei within soma. Perineural spaces were seen surrounding degenerating neurons. Axons and dendrites are scarcely appreciable around neurons in these groups. Conclusion:  The findings from this study showed that ingestion of mercury chloride has potentially deleterious effects on brain as shown in the histopathology, cellular loss in the brain of wistar rat.

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