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Sadek A, Abd El Hady AM, Olfat H, Abd El Hady AA, Wafy W, Zaki M, Youness ER. Effect of ozone gas on viral kinetics and liver histopathology in hepatitis C patients. J Complement Integr Med 2024; 21:131-138. [PMID: 38190482 DOI: 10.1515/jcim-2023-0239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/30/2023] [Indexed: 01/10/2024]
Abstract
OBJECTIVES We examine how well ozone/oxygen gas therapy treats chronic hepatitis C patients with varying degrees of liver fibrosis. Also to study the effect of giving multiple anti-oxidants with the ozone/oxygen gas mixture, to see if this addition would have any additive or synergistic effect. METHODS Two hundred and twenty three patients with chronic hepatitis C. Liver biopsies were carried out at after 12 weeks of administering an ozone/oxygen gas mixture. RESULTS The mean stage of fibrosis decreased from 1.98 to 1.41 and the mean grade of inflammation decreased from 10.08 to 7.94, both with a p value less than 0.001. After 12 weeks of treatment, mean PCR values increased. No single significant complication was recorded in a total of >9,000 settings of ozone therapy. CONCLUSIONS Ozone oxygen gas mixture is safe and effective in treatment of hepatic fibrosis due to chronic viral hepatitis C.
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Affiliation(s)
- Ahmed Sadek
- Departments of Hepatology & Gastroenterology, Theodor Bilharz Research Institute, Giza, Egypt
| | | | - Hammam Olfat
- Departments of Pathology, Theodor Bilharz Research Institute, Giza, Egypt
| | - Afaf A Abd El Hady
- Departments of Clinical Chemistry, Theodor Bilharz Research Institute, Giza, Egypt
| | - Wafaa Wafy
- Departments of Public Health, Theodor Bilharz Research Institute, Giza, Egypt
| | - Moushira Zaki
- Department of Biological Anthropology, Medical Researches and Clinical Studies Institute, National Research Centre, Cairo, Egypt
| | - Eman R Youness
- Department of Medical Biochemistry, Medical Researches and Clinical Studies Institute, National Research Centre, Cairo, Egypt
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Abdel-Salam OM, El-Sayed El-Shamarka M, Youness ER, Shaffie N. Protective effect of hot peppers against amyloid β peptide and brain injury in AlCl 3-induced Alzheimer's disease in rats. Iran J Basic Med Sci 2023; 26:335-342. [PMID: 36865040 PMCID: PMC9922365 DOI: 10.22038/ijbms.2022.67871.14845] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Accepted: 12/05/2022] [Indexed: 03/04/2023]
Abstract
Objectives This study investigated the therapeutic effect of red hot pepper (Capsicum annuum) methanolic extract in induced Alzheimer's disease using AlCl3 in male rats. Materials and Methods Rats were injected with AlCl3 intraperitoneally (IP) daily for two months. Starting from the 2nd month of AlCl3, rats received, in addition, IP treatments with Capsicum extract (25 and 50 mg/kg) or saline. Other groups received only saline or Capsicum extract at 50 mg/kg for two months. Brain levels of reduced glutathione (GSH), nitric oxide (NO), and malondialdehyde (MDA) were determined. Additionally, paraoxonase-1 (PON-1) activity, interleukin-6 (IL-6), Aβ-peptide, and acetylcholinesterase (AChE) concentrations in the brain were measured. Behavioral testing included wire-hanging tests for neuromuscular strength and memory tests such as Y-maze and Morris water maze. Histopathology of the brain was also done. Results Compared with saline-treated rats, AlCl3 caused significant elevation of brain oxidative stress as GSH level and PON-1 activity were depleted along with MDA and NO level elevation in the brain. There were also significant increases in brain Aβ-peptide, IL-6, and AChE levels. Behavioral testing indicated that AlCl3 decreased neuromuscular strength and impaired memory performance. Capsicum extract given to AlCl3-treated rats significantly alleviated oxidative stress and decreased Aβ-peptide and IL-6 in the brain. It also improved grip strength and memory functioning and prevented neuronal degeneration in the cerebral cortex, hippocampus, and substantia nigra of AlCl3-treated rats. Conclusion Short-term administration of ASA (50 mg/kg) has adverse effects on male reproductive function in mice. Co-administration of melatonin protects against ASA-induced impairment of male reproductive function by preventing the reduction in serum TAC and testosterone levels seen with ASA treatment alone.
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Affiliation(s)
- Omar M.E. Abdel-Salam
- Department of Toxicology and Narcotics, Medical Research, and Clinical Studies Institute, National Research Centre, Cairo, Egypt ,Corresponding author: Omar M.E. Abdel-Salam. Department of Toxicology and Narcotics, National Research Centre, Tahrir Street, Dokki Cairo, Egypt.
| | - Marwa El-Sayed El-Shamarka
- Department of Toxicology and Narcotics, Medical Research, and Clinical Studies Institute, National Research Centre, Cairo, Egypt
| | - Eman R Youness
- Department of Medical Biochemistry, Medical Research, and Clinical Studies Institute, National Research Centre, Cairo, Egypt
| | - Nermeen Shaffie
- Department of Pathology, Medical Research, and Clinical Studies Institute, National Research Centre, Cairo, Egypt
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Youness ER, Hashem SA, Hamed K, Khedr AA, Abdulhalim EN, Kamel SM, El-Bassyouni HT. The role of the deficiency of vitamin B12 and folic acid on homocysteinemia in children with Turner syndrome. J Pediatr Endocrinol Metab 2023; 36:147-151. [PMID: 36530035 DOI: 10.1515/jpem-2022-0482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022]
Abstract
OBJECTIVES Premature atherosclerosis and ischemic heart disease represent a major cause of comorbidities among children with Turner syndrome. The identification of non-traditional risk aspects is crucial for the early identification and management of such comorbidities through establishing effective preventive measures. The aim of the study is to explore the role of the deficiency of vitamin B12, folic acid and homocysteine in children with Turner syndrome. METHODS The study included 78 children with Turner syndrome and 67 healthy age and sex matched children. Karyotype was implemented for all patients. The serum levels of vitamin B12, folic acid and serum homocysteine were assessed. The prevalence of the deficiency of vitamin B12 and folic acid was estimated to study its correlation to hyperhomocysteinemia in Turner syndrome children. RESULTS The karyotype analysis showed 45,X (monosomy X) in the 78 patients. Vitamin B12 and folic acid were significantly decreased in children with Turner syndrome in 65-73% of the patients, respectively, while the serum level of homocysteine significantly increased to 48.7% compared to healthy controls. Homocysteine level negatively correlated with vitamin B12 and folic acid. The deficiency of vitamin B12 and folic acid increased the risk of hyperhomocysteinemia in children with Turner syndrome (OR 2.49 and 2.36, respectively). CONCLUSIONS This report highlights that hyperhomocyste-inemia in children with Turner syndrome may be related to the deficiency vitamin B12 and folic acid.
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Affiliation(s)
- Eman R Youness
- Medical Biochemistry Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt
| | - Shaimaa A Hashem
- Child Health Department, Medical Research and Clinical Studies Institute, National Research Centre, Giza, Egypt
| | - Khaled Hamed
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, Giza, Egypt
| | - Azzah A Khedr
- Human Cytogenetics Department, Human Genetics and Genome Research Division, National Research Centre, Giza, Egypt
| | | | - Shimaa Mostafa Kamel
- Pediatric Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
| | - Hala T El-Bassyouni
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, Giza, Egypt
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Youness ER, El-Daly SM, Abdallah HR, El-Bassyouni HT, Megahed H, Khedr AA, Elhady M, Abuelhamd WA. Serum homocysteine, lipid profile and BMI as atherosclerotic risk factors in children with numerical chromosomal aberrations. World J Pediatr 2022; 18:443-448. [PMID: 35430675 DOI: 10.1007/s12519-022-00534-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 02/21/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Eman R Youness
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Giza, Egypt
| | - Sherien M El-Daly
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Giza, Egypt
| | - Hanaa Reyad Abdallah
- Biological Anthropology Department, Medical Research Division, National Research Centre, Giza, Egypt
| | - Hala T El-Bassyouni
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, El-Tahrir Street, PO:12622, Giza, Egypt.
| | - Hisham Megahed
- Clinical Genetics Department, Human Genetics and Genome Research Division, National Research Centre, El-Tahrir Street, PO:12622, Giza, Egypt
| | - Azzah A Khedr
- Human Cytogenetics Department, Human Genetics and Genome Research Division, National Research Centre, Giza, Egypt
| | - Marwa Elhady
- Pediatric Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, Egypt
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Abdel-Salam O, Elgohary R, Elbaset M, R. Youness E, Sleem A, Shaffie N. Effect of cannabinoids in global cerebral Ischemia in vivo. Egypt J Chem 2022. [DOI: 10.21608/ejchem.2022.106993.4915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Abdel-Salam OME, El-Shamarka MES, Youness ER, Shaffie N. Inhibition of aluminum chloride-induced amyloid Aβ peptide accumulation and brain neurodegeneration by Bougainvillea spectabilis flower decoction. Iran J Basic Med Sci 2021; 24:1437-1445. [PMID: 35096303 PMCID: PMC8769510 DOI: 10.22038/ijbms.2021.58246.12940] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/11/2021] [Indexed: 11/22/2022]
Abstract
OBJECTIVES To investigate the potential therapeutic effect of Bougainvillea spectabilis flower decoction on aluminum chloride (AlCl3)-induced neurotoxicity. MATERIALS AND METHODS Rats received daily intraperitoneal injections of AlCl3 at 10 mg/kg for two months and were treated with B. spectabilis decoction at 50 or 100 mg/kg or saline during the 2nd month of the study. The control group received saline. Brain malondialdehyde (MDA), nitric oxide (NO), reduced glutathione (GSH), acetylcholinesterase (AChE), amyloid Aβ peptide, and interleukin-6 (IL-6) concentrations and paraoxonase-1 (PON-1) activity were determined and brain histology was done. Behavioral and neurological testing included Morris water maze (WMZ), Y maze, and wire hanging. RESULTS Compared with saline controls, AlCl3 significantly increased brain MDA and NO along with decreased GSH and PON-1 activity. It also increased AChE, IL-6, and amyloid Aβ concentrations. AlCl3 impaired motor strength and memory performance and caused brain neurodegeneration. B. spectabilis decoction given at 50 or 100 mg/kg protected against the biochemical and histopathological alterations evoked by AlCl3 by alleviating the increase in MDA and NO, and decrease in GSH and PON-1 activity. B. spectabilis decoction showed no significant effect on AChE but markedly decreased IL-6 and amyloid Aβ in the brain of AlCl3-treated rats. It also restored memory performance and motor strength, and protected against AlCl3-induced neurodegeneration. CONCLUSION These results suggest that B. spectabilis flower decoction might prove of value in the treatment of Alzheimer's disease.
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Affiliation(s)
- Omar ME Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Cairo, Egypt,Corresponding author: Omar ME Abdel-Salam. Department of Toxicology and Narcotics, National Research Centre, Cairo, Egypt. Tel/ Fax: +202-33370931;
| | | | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Nermeen Shaffie
- Department of Pathology, National Research Centre, Cairo, Egypt
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Abdellatif M, Elhawary IM, Mahmoud MM, Youness ER, Abuelhamd WA. Cord levels of zinc and copper in relation to maternal serum levels in different gestational ages. Egypt Pediatric Association Gaz 2021. [DOI: 10.1186/s43054-021-00059-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
A few published data on maternal and cord levels of zinc and copper with conflicting results were reported. We aimed to measure zinc and copper levels in the maternal blood and cord blood of newborns and correlate their levels with the gestational age and anthropometric measurements. This cross-sectional study included 75 full-term and preterm neonates and their mothers. These neonates were divided into 2 groups according to their gestational age. Serum levels of copper and zinc were estimated for the mothers of the studied neonates as well as their cord samples. This was done using atomic absorption spectrophotometry.
Results
The mean cord serum zinc in full term was 0.88 ± 0.18 μg/ml whereas in preterms was 0.73 ± 0.13 μg/ml. The mean cord copper in full term was 1.37 ± 0.26 μg/ml, whereas in preterms was 0.75 ± 0.28 μg/ml. Comparison between cord zinc and copper levels and maternal levels were statistically significant (p < 0.001). A significant positive correlation was found between zinc levels in neonates and their mothers (r 0.644; p < 0.000) and a similar positive correlation was found between copper levels in neonates and their mothers (r 0.625; p 0.000). A highly significant positive correlation was found between cord zinc and copper and anthropometric measurements.
Conclusion
The present work draws our attention to the significant correlation between trace elements in pregnant mothers and fetal development. Also, prematurity adversely influences zinc and copper levels in neonates.
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Elhady M, Youness ER, AbuShady MM, Nassar MS, Elaziz AA, Masoud MM, Foudaa FK, Elhamed WAA. Circulating glial fibrillary acidic protein and ubiquitin carboxy-terminal hydrolase-L1 as markers of neuronal damage in children with epileptic seizures. Childs Nerv Syst 2021; 37:879-884. [PMID: 33044615 DOI: 10.1007/s00381-020-04920-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/05/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND Epilepsy is a common neurological disease that has a negative impact on physical, social, and cognitive function. Seizure-induced neuronal injury is one of the suggested mechanisms of epilepsy complications. We aimed to evaluate the circulating level of glial fibrillary acidic protein (GFAP) and ubiquitin carboxy-terminal hydrolase-L1 (UCH-L1) as markers of neuronal damage in children with epilepsy and its relation to epilepsy characteristics. STUDY DESIGN METHODS: This case control study included 30 children with epilepsy and 30 healthy children as a control group. Seizure severity was determined based on Chalfont score. Serum level of GFAP and UCH-L1were measured, and their associations with epilepsy characteristics were investigated. RESULTS Circulating levels of GFAP and UCH-L1 were significantly higher in children with epilepsy than in controls (17.440 ± 6.74 and 5.700 ± 1.64 vs 7.06 ± 3.30 and 1.81 ± 0.23, respectively) especially in those with generalized and active seizures. GFAP and UCH-L1 were significantly correlated to the severity of seizures in the previous 6 months. Elevated GFAP level was a predictor for active seizures (OR 1.841, 95%CI 1.043-3.250, P = 0.035). CONCLUSION Circulating GFAP and UCH-L1 expression is increased in children with epilepsy especially those with active seizures. SIGNIFICANCE GFAP and UCH-L 1may serve as peripheral biomarkers for neuronal damage in children with epilepsy that can be used to monitor disease progression and severity for early identification of those with drug-resistant epilepsy and those who are in need for epilepsy surgery.
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Affiliation(s)
- Marwa Elhady
- Pediatric Department, Faculty of Medicine for Girls, Al-Azhar University, Cairo, 11735, Egypt.
| | - Eman R Youness
- Medical Biochemistry Department, National Research Centre, Cairo, Egypt
| | | | - Maysa S Nassar
- Child Health Department, National Research Centre, Cairo, Egypt
| | - Ali Abd Elaziz
- Child Health Department, National Research Centre, Cairo, Egypt
| | - Mahmoud M Masoud
- Medical Biochemistry Department, National Research Centre, Cairo, Egypt
| | - Fayez K Foudaa
- Medical Biochemistry Department, National Research Centre, Cairo, Egypt
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Badawi HM, Abdelsalam RM, Abdel-Salam OM, Youness ER, Shaffie NM, Eldenshary EEDS. Bee venom attenuates neurodegeneration and motor impairment and modulates the response to L-dopa or rasagiline in a mice model of Parkinson's disease. Iran J Basic Med Sci 2021; 23:1628-1638. [PMID: 33489038 PMCID: PMC7811814 DOI: 10.22038/ijbms.2020.46469.10731] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Objectives This study aimed to investigate the effect of bee venom, a form of alternative therapy, on rotenone-induced Parkinson's disease (PD) in mice. Moreover, the possible modulation by bee venom of the effect of L-dopa/carbidopa or rasagiline was examined. Materials and Methods Rotenone (1.5 mg/kg, subcutaneously; SC) was administered every other day for two weeks and at the same time mice received the vehicle (DMSO, SC), bee venom (0.065, 0.13, and 0.26 mg/kg; intradermal; ID), L-dopa/carbidopa (25 mg/kg, intraperitoneal; IP), L-dopa/carbidopa+bee venom (0.13 mg/kg, ID), rasagiline (1 mg/kg, IP) or rasagiline+bee venom (0.13 mg/kg, ID). Then, wire hanging and staircase tests were performed and mice were euthanized and brains' striata separated. Oxidative stress biomarkers namely, malondialdehyde (MDA), nitric oxide (NO), reduced glutathione (GSH), paraoxonase-1 (PON-1), and total antioxidant capacity (TAC) were measured. Additionally, butyrylcholinesterase (BuChE), monocyte chemoattractant protein-1 (MCP-1), tumor necrosis factor-alpha (TNF-α), and dopamine (DA) were evaluated. Brain histopathological changes and caspase-3- expression were done. Results Bee venom significantly enhanced motor performance and inhibited rotenone-induced oxidative/nitrosative stress, observed as a reduction in both MDA and NO along with increasing GSH, PON-1, and TAC. Besides, bee venom decreased MCP-1, TNF-α, and caspase-3 expression together with an increase in BuChE activity and DA content. Conclusion Bee venom alone or in combination with L-dopa/carbidopa or rasagiline alleviated neuronal degeneration compared with L-dopa/carbidopa or rasagiline treatment only. Bee venom via its antioxidant and cytokine reducing potentials might be of value either alone or as adjunctive therapy in the management of PD.
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Affiliation(s)
- Hanaa Mm Badawi
- Holding Company for Biological Products, Vaccines and Drugs (VACSERA), Cairo, Egypt
| | - Rania M Abdelsalam
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
| | - Omar Me Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Cairo, Egypt
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | | | - Ezz-El Din S Eldenshary
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Cairo, Egypt
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10
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Abdel-Salam OM, Youssef Morsy SM, Youness ER, Yassen NN, Sleem AA. The effect of low dose amphetamine in rotenone-induced toxicity in a mice model of Parkinson's disease. Iran J Basic Med Sci 2020; 23:1207-1217. [PMID: 32963743 PMCID: PMC7491496 DOI: 10.22038/ijbms.2020.45175.10524] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 05/17/2020] [Indexed: 12/21/2022]
Abstract
OBJECTIVES The effects of low dose amphetamine on oxidative stress and rotenone-induced neurotoxicity and liver injury were examined in vivo in a mice model of Parkinson's disease. MATERIALS AND METHODS Male mice were treated with rotenone (1.5 mg/kg, every other day for two weeks, subcutaneously). Mice received either the vehicle or amphetamine intraperitoneally at doses of 0.5, 1.0, or 2.0 mg/kg. Oxidative stress was assessed by measurement of the lipid peroxidation product malondialdehyde (MDA), nitric oxide (NO), total anti-oxidant capacity (TAC), and paraoxonase-1 (PON-1) activity in the brain and liver. In addition, brain concentrations of nuclear factor kappa B (NF-κB) and tyrosine hydroxylase were determined and histopathology and Bax/Bcl-2 immunohistochemistry were performed. RESULTS The levels of lipid peroxidation and NO were increased and TAC and PON-1 were decreased significantly compared with vehicle-injected control mice. There were also significantly increased NF-κB and decreased tyrosine hydroxylase in the brain following rotenone administration. These changes were significantly attenuated by amphetamine. Rotenone caused neurodegenerative changes in the substantia nigra, cerebral cortex, and hippocampus. The liver showed degenerative changes in hepatocytes and infiltration of Kupffer cells. Bax/Bcl2 ratio was significantly increased in brain and liver tissues. Amphetamine prevented these histopathological changes and the increase in apoptosis evoked by rotenone. CONCLUSION These results suggest that low dose amphetamine exerts anti-oxidant and anti-apoptotic effects, protects against rotenone-induced neurodegeneration, and could prevent neuronal cell degeneration in Parkinson's disease.
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Affiliation(s)
| | | | - Eman R. Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Noha N. Yassen
- Department of Pathology, National Research Centre, Cairo, Egypt
| | - Amany A Sleem
- Department of Pharmacology, National Research Centre, Cairo, Egypt
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Abdel-Salam OME, Sleem AA, Sayed MAEBM, Youness ER, Shaffie N. Correction to: Capsaicin Exerts Anti-convulsant and Neuroprotective Effects in Pentylenetetrazole-Induced Seizures. Neurochem Res 2020; 45:1062-1063. [PMID: 32100166 DOI: 10.1007/s11064-020-02995-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The original version of this article unfortunately contains an error in the Y axis units in Fig. 1b, c (the symbol µ is not clear: µmol/g.tissue). This has been corrected by publishing this erratum.
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Affiliation(s)
- Omar M E Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Tahrir Street, Dokki, Cairo, Egypt.
| | - Amany A Sleem
- Department of Pharmacology, Tahrir Street, Dokki, Cairo, Egypt
| | | | - Eman R Youness
- Department of Medical Biochemistry, Tahrir Street, Dokki, Cairo, Egypt
| | - Nermeen Shaffie
- Department of Pathology, National Research Centre, Tahrir Street, Dokki, Cairo, Egypt
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12
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Ibrahim AY, Youness ER, Mahmoud MG, Asker MS, El-Newary SA. Acidic Exopolysaccharide Produced from Marine Bacillus amyloliquefaciens 3MS 2017 for the Protection and Treatment of Breast Cancer. Breast Cancer (Auckl) 2020; 14:1178223420902075. [PMID: 32047357 PMCID: PMC6984436 DOI: 10.1177/1178223420902075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2019] [Accepted: 12/31/2019] [Indexed: 12/27/2022] Open
Abstract
PURPOSE This study was planned to investigate the anti-breast-cancer property of acidic exopolysaccharide produced from marine Bacillus amyloliquefaciens 3MS 2017 (BAEPS) in an animal model, which previously showed in-vitro anti-breast-cancer activity, by studying its potential participation in various targeted mechanisms. METHODS Mammary carcinoma in female Sprague-Dawley rats, both in prophylactic and in curative designs, was chemically induced using 7,12-dimethylebenz-(a)-anthracene (DMBA). B. amyloliquefaciens 3MS 2017 anti-breast-cancer property was evaluated by studying its effects on cancer-growth-rate-limiting enzymes (aromatase and Na+/K+ ATPase), sexual hormones (estrogen and progesterone), antioxidant and inflammatory biomarkers (cyclooxygenase-1; COX-1 and cyclooxygenase-2; COX-2). The incidence of breast cancer by DMBA was dependent on the level of carcinoembryonic antigen (CEA) and aromatase. RESULTS 7,12-Dimethylebenz-(a)-anthracene female rats were characterized by a significant increase in cancer-related biomarkers with an increase of oxidative stress biomarkers, in comparison with the negative control. Potent BAEPS anticancer activity on DMBA rats was exhibited either as a prophylactic or as a curative agent, which appeared via restoring the aromatase and Na+/K+ ATPase subunits levels and CEA close to the normal level. Besides, BAEPS modulated a sexual hormone, in comparison with the cancer control group (P ⩽ .05). B. amyloliquefaciens 3MS 2017 selectively inhibited COX-2 in parallel with promising antioxidant properties. The curative characters of BAEPS were more promising than the prophylactic. CONCLUSION The anti-breast-cancer characters accompanied with a good safety margin may be attributed to its inhibitory effect on cancer-growth-rate-limiting enzymes, estrogen production, COX-2 level and lipid peroxidation, concurrent with enhancing COX-1 level, progesterone production, and antioxidant status.
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Affiliation(s)
- Abeer Y Ibrahim
- Department of Medicinal and Aromatic Plants Research, National Research Centre, Giza, Egypt
| | - Eman R Youness
- Department of Medical Biochemistry, Medical Research Division, National Research Centre, Giza, Egypt
| | - Manal G Mahmoud
- Department of Microbial Biotechnology, National Research Centre, Giza, Egypt
| | - Mohsen S Asker
- Department of Microbial Biotechnology, National Research Centre, Giza, Egypt
| | - Samah A El-Newary
- Department of Medicinal and Aromatic Plants Research, National Research Centre, Giza, Egypt
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13
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Salama N, Fahmy R, Youness ER. Cognitive functions and anti-oxidant in children with sickle cell disease: A single center based study. Egypt Pediatric Association Gaz 2019. [DOI: 10.1186/s43054-019-0005-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Abdel-Salam OME, Sleem AA, Youness ER, Omara EA. Identification of biomarkers for the detection of subtle brain injury after cannabis and/or tramadol administration. Egypt J Forensic Sci 2019. [DOI: 10.1186/s41935-019-0165-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
There is a need to identify biomarkers which could indicate the occurrence of brain injury in drug abuse.
Objectives
We aimed to investigate ubiquitin-C-terminal hydrolase-1 (UCH-L1), a neuronal cell body injury marker, the glial protein S-100 beta (S100β), and the glial fibrillary acidic protein (GFAP) as putative markers for neuronal injury due to cannabis, tramadol, or their combined use.
Materials and methods
Rats were treated with cannabis and/or tramadol subcutaneously daily for 6 weeks and UCH-L1, S100β, and GFAP were immunoassayed in the brain and serum.
Results
The results are as follows: (i) either cannabis or tramadol increased UCH-L1 and GFAP in the brain, (ii) serum UCH-L1 and GFAP increased by the highest dose of cannabis or tramadol, (iii) there was no additive effect for cannabis and tramadol on UCH-L1 or GFAP level in the brain or serum, (iv) S100β decreased in the brain by 5–20 mg/kg of cannabis and in the serum following 20 mg/kg of cannabis, and (v) S100β levels increased in the brain after 20 mg/kg of tramadol but decreased the brain and serum after both cannabis and tramadol. Cytoplasmic vacuolations, apoptotic cells, and gliosis were observed in the brain tissue of cannabis and/or tramadol-treated rats.
Conclusions
These results suggest that changes in UCH-L1, GFAP, or S100β are likely to reflect neurotoxicity and serum levels could be used to detect neuronal damage in chronic users.
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El-Shamy KA, Koriem KMM, Fadl NN, El-Azma MHA, Arbid MSS, Morsy FA, El-Zayat SR, Hosny EN, Youness ER. Oral supplementation with geranium oil or anise oil ameliorates depressed rat-related symptoms through oils antioxidant effects. J Complement Integr Med 2019; 17:/j/jcim.ahead-of-print/jcim-2019-0028/jcim-2019-0028.xml. [PMID: 31490773 DOI: 10.1515/jcim-2019-0028] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 07/16/2019] [Indexed: 11/15/2022]
Abstract
Background Depression is a psychiatric disease condition and the chronic mild stress (CMS) model is a well-known and valuable animal model of depression. Geranium oil and anise oil were chosen for such a study. The aim of this research was to establish the geranium oil and anise oil effect to ameliorate CMS-related symptoms. Methods This research included 80 male albino rats each group of 10 rats and the animals were divided into two major groups: normal and CMS. The normal group was subdivided into four (control, geranium oil, anise oil and venlafaxine drug) subgroups treated orally with saline, geranium oil, anise oil and venlafaxine drug, respectively, for 4 weeks. The CMS group was subdivided into four (CMS without any treatment, CMS + geranium oil, CMS + anise oil and CMS + venlafaxine drug) subgroups treated orally with geranium oil, anise oil and venlafaxine drug, respectively, for 4 weeks. Results The sucrose consumption in sucrose preference test, the distance traveled test and center square entries test were decreased, while center square duration test, immobility time in tail suspension test and floating time in forced swimming test were increased in CMS. The superoxide dismutase, glutathione peroxidase, glutathione-S-transferase, glutathione reductase and catalase levels decreased but malondialdehyde and nitric oxide levels increased in brain cerebral cortex and hippocampus areas in CMS. The oral intake of geranium oil and anise oil pushes all these parameters to approach the control levels. These results were supported by histopathological investigations of both brain cerebral cortex and hippocampus tissues. Conclusions Geranium oil and anise oil ameliorate CMS-related symptoms and this effect were related to the antioxidant effects of oils.
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Affiliation(s)
- Karima A El-Shamy
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Khaled M M Koriem
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Nevein N Fadl
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Marwa H A El-Azma
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Mahmoud S S Arbid
- Department of Pharmacology, Medical Research Division, National Research Centre, Dokki, Cairo, Egypt
| | - Fatma A Morsy
- Department of Pathology, Medical Research Division, National Research Centre, Dokki, Cairo, Egypt
| | - Salwa R El-Zayat
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Eman N Hosny
- Department of Medical Physiology, National Research Centre, 33 El-Behouth Street, Dokki, Giza, Cairo 12622, Egypt
| | - Eman R Youness
- Department of Medical Biochemistery, Medical Research Division, National Research Centre, Dokki, Cairo, Egypt
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16
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El-Daly SM, Omara EA, Hussein J, Youness ER, El-Khayat Z. Differential expression of miRNAs regulating NF-κB and STAT3 crosstalk during colitis-associated tumorigenesis. Mol Cell Probes 2019; 47:101442. [PMID: 31479716 DOI: 10.1016/j.mcp.2019.101442] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 08/12/2019] [Accepted: 08/31/2019] [Indexed: 12/18/2022]
Abstract
Inflammatory bowel disease (IBD) is mostly responsible for the development of colitis-associated colon cancer. Of the several signaling pathways involved in colonic inflammation, the activation and crosstalk between NF-κB and STAT3 serve as the pivotal regulatory hubs that regulate epithelial tumorigenesis by linking inflammation with cancer development. Understanding the molecular mechanisms regulating the crosstalk between NF-κB and STAT3 will help in targeting these signaling pathways and halt epithelial tumorigenesis. MicroRNAs (miRNAs) play important role in the regulation of NF-κB and STAT3 and function in a positive- or negative feedback loop to regulate the crosstalk of these transcription factor. In the present study we evaluated the aberrant expression of a selected panel of miRNAs (miR-181b, miR-31, miR-34a, miR-146b, miR-221, and miR-155) that regulate the crosstalk between NF-κB and STAT3 during colitis-associated tumorigenesis. We used the stepwise colorectal carcinogenesis murine model known as Azoxymethane (AOM)/Dextran sodium sulphate (DSS) to recapitulate the different stages of tumorigenesis. Our results revealed that the expression of the selected miRNAs changed dynamically in a stepwise pattern as colonic tissue transforms from normal to actively inflamed to neoplastic state, in accordance with the gradual activation of NF-κB and STAT3, suggesting that the aberrant expression of these miRNAs could function as the epigenetic switch between inflammation and colorectal tumorigenesis. We were able to elucidate the contribution of miRNAs in the NF-κB - STAT3 crosstalk during the stepwise development of colitis-associated carcinoma, and this could improve our understanding of the molecular pathology of colorectal tumorigenesis and even suggesting a therapeutic strategy by modulating the expression of these regulating miRNAs.
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Affiliation(s)
- Sherien M El-Daly
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Cairo, Egypt; Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, Cairo, Egypt.
| | - Enayat A Omara
- Pathology Department, Medical Research Division, National Research Centre, Cairo, Egypt
| | - Jihan Hussein
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Cairo, Egypt
| | - Eman R Youness
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Cairo, Egypt
| | - Zakaria El-Khayat
- Medical Biochemistry Department, Medical Research Division, National Research Centre, Cairo, Egypt
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17
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El-Tagui MH, Salama KM, El-Sabbagh MH, Youness ER, Ragaey M, Abdel-Salam A. Polyneuropathy Associated with Severe Iron Overload and Oxidative Stress in β-Thalassemia Patients. Indian J Hematol Blood Transfus 2019; 35:518-522. [PMID: 31388267 DOI: 10.1007/s12288-018-1050-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Accepted: 11/16/2018] [Indexed: 12/21/2022] Open
Abstract
To investigate the frequency of peripheral neuropathy in patients with β-thalassemia, and to assess its relation to iron overload and oxidative stress. Sixty β-thalassemia patients with mean age of 19 ± 4.9 years were recruited. Serum ferritin was quantitatively assessed by enzyme-linked immunoassay and biomarkers of oxidative stress were estimated calorimetrically. Electrophysiological studies using NEMUS 2, Galileu Software were carried out. The patients were separated into two groups: those with abnormal nerve conduction studies (NCS) {Group A; N = 38} and those with normal NCS {Group B; N = 22}. Thirty-eight (63.3%) patients had axonal motor neuropathy as evidenced by abnormal NCS (group A), they showed higher mean serum ferritin (p < 0.01), higher mean malondialdehyde (MDA) (p < 0.01), and lower mean nitrous oxide, total antioxidant capacity, paraoxonase-1 (PON1) (p < 0.01) compared to group B. Bivariate analysis of NCS data demonstrated that abnormal NCS were more frequent in splenectomized patients (p = 0.002), and poorly-chelated patients with serum ferritin ≥ 2000 ng/ml (p = 0.001). Significant variables associated with abnormal motor NCS were entered in stepwise regression analysis and only elevated serum ferritin (p = 0.01) was independently associated with abnormal motor NCS (p = 0.02; 95% CI 1.433-51.791). None of the studied patients had sensory neuropathy or myopathy. Peripheral motor neuropathy may occur in β-thalassemia patients at a high frequency, regardless of their age and gender. Severe iron overload may contribute to the pathogenesis of neuropathy. Other factors including chelation therapy, splenectomy, and oxidative stress might have an enhancing effect that couldn't be proved in this study.
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Affiliation(s)
- Mona H El-Tagui
- 1Department of Pediatrics, Cairo University, Ali Ibrahim St., Cairo, Egypt
| | - Khaled M Salama
- 1Department of Pediatrics, Cairo University, Ali Ibrahim St., Cairo, Egypt
| | - Mohamed H El-Sabbagh
- Department of Pediatrics and Neurophysiology, National Institute of Neuromotor System, Cairo, Egypt
| | - Eman R Youness
- 3Department of Medical Biochemistry, National Research Centre (NRC), Giza, Egypt
| | - Marwa Ragaey
- Department of Pediatrics and Neurophysiology, National Institute of Neuromotor System, Cairo, Egypt
| | - Amina Abdel-Salam
- 1Department of Pediatrics, Cairo University, Ali Ibrahim St., Cairo, Egypt
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18
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Bahgat KA, Elhady M, Abdel Aziz A, Youness ER, Zakzok E. Omega-6/omega-3 ratio and cognition in children with epilepsy. Anales de Pediatría (English Edition) 2019. [DOI: 10.1016/j.anpede.2018.07.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
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19
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Abdel-Salam OME, Sleem AA, Mohamed Sayed MAEB, Youness ER, Shaffie N. Neuroprotective Effects of Low Dose Anandamide in Pentylenetetrazole-Induced Kindling in Rats. ACTA ACUST UNITED AC 2019. [DOI: 10.13005/bpj/1610] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Anandamide (N-arachidonoylethanolamine) is an endogenous cannabinoid receptor CB1 ligand that exhibits neuroprotective effects in the brain. In this study, the effect of exogenously given anandamide on pentylenetetrazole (PTZ)-induced chemical kindling oxidative stress and brain damage in rats was studied. Rats were intraperitoneally (i.p.) injected with 35 mg/kg PTZ once every 48 hours for 12 times to induce seizures. Anandamide was i.p. given. 30 min prior to PTZ injection at 100 or 200 mg/kg. Injections of PTZ induced significant increase in brain lipid peroxidation (malondialdehyde: MDA), and nitric oxide associated with marked decrease in brain reduced glutathione (GSH). There were also significant decrements in acetylcholinesterase (AChE) concentration, butyrylcholinesterase (BChE) and paraoxonase-1 (PON-1) activities in brain tissue of PTZ injected rats. Meanwhile, there was no significant effect for PTZ on the concentration of brain neutrophil elastase. Anandamide administered at 100 and 200 mg/kg significantly decreased MDA and increased GSH contents and at 200 mg/kg significantly decreased nitric oxide in brain of PTZ-treated rats. The drug also caused significant increments in AChE concentration and PON-1 activity but had no significant effect on BChE or neutrophil elastase in rats treated with PTZ. Anandamide given at the dose of 200mg/kg significantly decreased the mean seizure scores over the study period by 22.3% and the frequency of myoclonic jerks and rearing (stage 3) by 56.7% compared with the vehicle-treated group. Anandamide given at 100 and 200 mg/kg completely inhibited the development of generalized tonic-clonic seizures (stage 5). It is concluded that in the PTZ-induced seizures, the cannabinoid receptor CB1 agonist anandamide decreases brain oxidative stress, neuronal injury, and exerts an antiepileptic activity.
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Affiliation(s)
| | - Amany A. Sleem
- Department of Pharmacology, National Research Centre, Cairo, Egypt
| | | | - Eman R. Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Nermeen Shaffie
- Department of Pathology, National Research Centre, Cairo, Egypt
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20
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Bahagat KA, Elhady M, Aziz AA, Youness ER, Zakzok E. [Omega-6/omega-3 ratio and cognition in children with epilepsy]. An Pediatr (Barc) 2019; 91:88-95. [PMID: 30660389 DOI: 10.1016/j.anpedi.2018.07.015] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Revised: 07/20/2018] [Accepted: 07/24/2018] [Indexed: 11/18/2022] Open
Abstract
INTRODUCTION Cognitive impairment is a common consequence of epilepsy in children. This study aimed to assess the ratio of omega-6 to omega-3 fatty acid levels and its impact on cognitive function in children with idiopathic epilepsy. PATIENTS AND METHODS We performed a case-control study in 30 children with idiopathic epilepsy and 20 healthy children. We measured levels of alpha-linolenic acid (omega-3) and linoleic acid (omega-6) by means of gas-liquid chromatography. We assessed cognitive function with the Arabic version of the fourth edition of the Stanford-Binet test and the P300 component of event-related potentials. All children had an intelligent quotient greater than 70. RESULTS Children with epilepsy had lower levels of omega-3 and higher levels of omega-6 fatty acids and an abnormal omega-6/omega-3 ratio compared to non-epileptic children. We found a significant positive correlation of serum omega-3 levels and a significant negative correlation of serum omega-6 levels with cognitive function scores and P300 latency in children with epilepsy. CONCLUSION Children with epilepsy have abnormal ratios of omega-6 to omega-3 fatty acid serum levels, which is associated with impaired cognitive function in these children.
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Affiliation(s)
| | - Marwa Elhady
- Departamento de Pediatría, Facultad de Medicina, Universidad de Al-Azhar, El Cairo, Egipto.
| | - Ali Abdel Aziz
- Departamento de Salud Infantil, Centro de Investigación Nacional, Guiza, Egipto
| | - Eman R Youness
- Bioquímica Médica, Centro de Investigación Nacional, Guiza, Egipto
| | - Elzarif Zakzok
- Departamento de Pediatría, Facultad de Medicina, Universidad de Al-Azhar, El Cairo, Egipto
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21
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A. El-Laithy N, M.E. Mahdy E, R. Youness E, Shafee N, S.S. Mowafy M, M. Mabrouk M. Effect of Co Enzyme Q10 Alone or in Combination with Vitamin C on Lipopolysaccharide-Induced Brain Injury in Rats. ACTA ACUST UNITED AC 2018. [DOI: 10.13005/bpj/1483] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Our was to determine the impact of CoenzymeQ10 (Co Q10) and vitamin C alone or in combination on oxidative stress in brain tissue of rats during endotoxemia induced by single intraperitoneal dose of Lipopolysaccharide (LPS), 500µg/kg. Both CoQ10&vitamin C were given orally to rats with doses (200&100 mg/kg) respectively for 7successive days prior induction of endotoxemia .LPS injected, with Co Q10 with doses (100 &200 mg/kg) &vit. C (50&100 mg/kg).In addition CoQ10 and vitamin C together in doses (100&50 mg/kg) & (200&100 mg/kg) respectively were added to LPS-treated rats. Then euthanized 4 hours later. Histopathological assessment of brain tissue was done. Results: LPS injection induced oxidative stress in brain tissue, resulting in marked increase in malondiadehyde (MDA), nitrite (NO) and Amyloid beta (Aβ), while decreasing reduced glutathione (GSH), paraoxonase-1 (PON1) and brain derived neurotrophic factor (BDNF).CoQ10 and vit.C administration with doses(200&100 mg/ kg) before endotoxemia result in reduction of brain MDA, NO and Aβ, while increasing levels of GSH, PON1 and BDNF compared to controls. The addition of both Co Q10 &vit.C to LPS- treated rats lead to decrease of brain NO, MDA and Aβ, also increase of GSH, PON1 and BDNF. This effect was more obviouswith high doses, this due to the ameliorating effect of both CoQ10 and vit.C on oxidative stress of brain tissue during endotoxemia.This consisted with the histopathological results. Conclusion: this work focuses on the possible role of CoQ10 &vit.C as antioxidants in protecting brain tissue.
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Affiliation(s)
| | - Elsayed M.E. Mahdy
- Department of Chemistry , Faculty of Science, Helwan University, Helwan, Egypt
| | - Eman R. Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Nermeen Shafee
- Department of Pathology, National Research Centre, Cairo, Egypt
| | | | - Mahmoud M. Mabrouk
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
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22
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Elhady M, Youness ER, Mostafa RSI, Abdel Aziz A, Hussein R. Oxidative stress contribution to attention deficit hyperactivity disorder in children with epilepsy. Appl Neuropsychol Child 2018; 8:347-354. [PMID: 30102074 DOI: 10.1080/21622965.2018.1492409] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Children with epilepsy have a high incidence of attention deficit hyperactivity disorder (ADHD). Oxidation stress and disturbed neurotransmitters are suggested mechanisms; however, their role is not fully explored. This study evaluates the association between circulating malondialdehyde as an oxidation stress marker, apelin neuropeptide, and ADHD in children with epilepsy. Fifty children with epilepsy of unknown etiology, of which 25 have ADHD, as well as 35 healthy children were included. Serum levels of malondialdehyde and apelin were estimated. We investigated the association between seizure severity, response to medications, malondialdehyde, apelin levels, and ADHD in children with epilepsy. Serum malondialdehyde and apelin levels were higher in children with epilepsy, especially those with ADHD. Malondialdehyde and apelin levels have significant positive correlation with the Chalfont Seizure Severity Score. Regression analysis showed that elevated malondialdehyde is an independent risk factor for ADHD in children with epilepsy (OR: 1.401, 95%CI: 1.056-1.859, p= 0.02). No significant association was found between malondialdehyde and apelin levels and the type of epilepsy or ADHD. Longer duration of epilepsy, increased seizure severity, and uncontrolled seizures are associated with increased oxidation stress, which further increased susceptibility for ADHD. In spite of elevated apelin in children with ADHD, the elevation did not increase the risk of ADHD in children with epilepsy.
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Affiliation(s)
- Marwa Elhady
- Pediatric Department, Faculty of Medicine (for girls), Al-Azhar University , Cairo , Egypt
| | - Eman R Youness
- Medical Biochemistry, National Research Center , Cairo , Egypt
| | | | - Ali Abdel Aziz
- Child Health Department, National Research Center , Cairo , Egypt
| | - Rania Hussein
- Psychiatry Department, Faculty of Medicine (for girls), Al-Azhar University , Cairo , Egypt
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23
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Elhady M, Youness ER, Gafar HS, Abdel Aziz A, Mostafa RSI. Circulating irisin and chemerin levels as predictors of seizure control in children with idiopathic epilepsy. Neurol Sci 2018; 39:1453-1458. [PMID: 29860632 DOI: 10.1007/s10072-018-3448-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 05/11/2018] [Indexed: 12/11/2022]
Abstract
Irisin and chemerin peptides expression are triggered by hypoxia and involved in activation of inflammatory cascades in various organs including the brain; however, their role in epilepsy is not fully illustrated. This study aims to explore the predictive role of irisin and chemerin for seizure control in children with idiopathic epilepsy. This cross-sectional comparative study included 50 children with idiopathic epilepsy; 25 of them had controlled seizures over the previous 6 months and 30 age- and sex-matched healthy children as controls. Epilepsy characteristics, seizure severity Chalfont score, and response to medications were assessed in relation to serum irisin and chemerin levels. In comparison to healthy controls, serum chemerin and irisin levels were significantly higher in children with idiopathic epilepsy especially those with uncontrolled seizures. Serum chemerin and irisin levels had significant positive correlation with seizure severity Chalfont score and the duration of epilepsy. Elevated Chalfont score (OR 3.19), serum chemerin (OR 2.01), and irisin (OR 2.03) are predictors of uncontrolled seizures. Circulating chemerin and irisin have 80% and 76% sensitivity and 88% and 92% specificity at cutoff point > 191.38 ng/ml and > 151.2 ng/ml respectively for prediction of uncontrolled seizures in children with idiopathic epilepsy. Elevated circulating level of irisin and chemerin may predict poor seizure control in children with idiopathic epilepsy suggesting the role of hypoxia-triggered neuroinflammation in the pathogenesis of childhood idiopathic epilepsy.
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Affiliation(s)
- Marwa Elhady
- Pediatric Department, Faculty of Medicine (for girls), Al-Azhar University, Cairo, 11759, Egypt.
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Giza, 12622, Egypt
| | - Heba S Gafar
- Pediatric Department, Faculty of Medicine (for girls), Al-Azhar University, Cairo, 11759, Egypt
| | - Ali Abdel Aziz
- Child Health Department, National Research Centre, Giza, 12622, Egypt
| | - Rehab S I Mostafa
- Child Health Department, National Research Centre, Giza, 12622, Egypt
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24
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Ramez SA, Soliman MM, Fadel M, Nour El-Deen F, Nasr M, Youness ER, Aboel-Fadl DM. Novel methotrexate soft nanocarrier/fractional erbium YAG laser combination for clinical treatment of plaque psoriasis. Artif Cells Nanomed Biotechnol 2018; 46:996-1002. [PMID: 29448838 DOI: 10.1080/21691401.2018.1440236] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Psoriasis is a commonly encountered chronic dermatological disease, presenting with inflammatory symptoms in patients. Systemic treatment of psoriasis is associated with several adverse effects, therefore the development of a customized topical treatment modality for psoriasis would be an interesting alternative to systemic delivery. The therapeutic modality explored in this article was the comparative treatment of psoriatic patients using nanoparticulated methotrexate in the form of jojoba oil-based microemulsion with or without fractional erbium YAG laser. Assessment parameters included follow-up photography for up to 8 weeks of treatment, estimation of the psoriasis severity [TES (thickness, erythema, scales)] score, and histopathological skin evaluation. The prepared methotrexate microemulsion was clinically beneficial and safe in treatment of psoriasis vulgaris. The concomitant use of the fractional laser provided improvement in the psoriatic plaques within shorter time duration (3 weeks compared to 8 weeks of treatment), presenting an alternative topical treatment modality for psoriasis vulgaris.
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Affiliation(s)
- Shahenda A Ramez
- a Department of Dermatology , National Research Centre, Cairo University , Cairo , Egypt
| | - Mona M Soliman
- b Dermatology Unit, Department of Medical Laser Applications, National Institute of Laser Enhanced Sciences , Cairo University , Cairo , Egypt
| | - Maha Fadel
- c Pharmaceutics Unit, Department of Medical Laser Applications, National Institute of Laser Enhanced Sciences , Cairo University , Cairo , Egypt
| | - Faisal Nour El-Deen
- a Department of Dermatology , National Research Centre, Cairo University , Cairo , Egypt
| | - Maha Nasr
- d Department of Pharmaceutics and Industrial Pharmacy , Ain Shams University , Cairo , Egypt.,e Department of Pharmaceutics and Pharmaceutical Technology , Mutah University , Al-Karak , Jordan
| | - Eman R Youness
- f Department of Medical Biochemistry , National Research Centre, Cairo University , Cairo , Egypt
| | - Dalea M Aboel-Fadl
- g Department of Pathology , National Research Centre, Cairo University , Cairo , Egypt
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25
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Abdel-Salam OME, Youness ER, Esmail RSE, Mohammed NA, Khadrawy YA, Sleem AA, Abdulaziz AM. Protection by Neostigmine and Atropine Against Brain and Liver Injury Induced by Acute Malathion Exposure. J Nanosci Nanotechnol 2018; 18:510-521. [PMID: 29768876 DOI: 10.1166/jnn.2018.13933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
We examined the effect of treatment with neostigmine alone or with atropine on brain oxidative stress and on brain and liver tissue damage following acute malathion toxicity. Rats were intraperitoneally treated with malathion 150 mg/kg along with neostigmine (200 or 400 μg/kg) or neostigmine (200 μg/kg) + atropine (1 mg/kg) and euthanized 4 h later. Results indicated that compared with the saline group, malathion resulted in (i) higher brain malondialdehyde (MDA) and nitric oxide (46.4% and 86.2%); (ii) decreased brain reduced glutathione (GSH) (67.6%); (iii) decreased brain paraoxonase-1 (PON1), acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) activities (31.2%, 21.6% and 60%); (iv) decreased brain glucose (-38.1%); (v) neuronal degeneration in cortex and hippocampus and markedly increased glial fibrillary acidic protein (GFAP) immunostaining in the hippocampus; (v) hydropic and fatty degeneration in liver. Rats treated with malathion along with neostigmine or neostigmine + atropine showed no change in brain MDA but decreased nitric oxide (-34.2%-48%). GSH increased after neostigmine 200 μg/kg or neostigmine + atropine (35.8% and 41%). PON1 activity increased (42%-35.2%) and glucose concentrations increased (91.5%-81.5%) by 400 μg/kg neostigmine or neostigmine + atropine. Brain AChE activity remained unchanged but BChE activity showed 18.3% increment after 400 μg/kg neostigmine. Rats treated with 400 μg/kg neostigmine or neostigmine + atropine had normal neuronal appearance in cortex and hippocampus and weak GFAP expression in hippocampus. Liver damage was prevented by neostigmine + atropine. These results suggest that treatment with neostigmine + atropine afforded protection against the deleterious effects of acute malathion on the brain and liver.
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Affiliation(s)
- Omar M E Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Tahrir Street, Dokki, Cairo, 12311, Egypt
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Tahrir Street, Dokki, Cairo, 12311, Egypt
| | | | - Nadia A Mohammed
- Department of Medical Biochemistry, National Research Centre, Tahrir Street, Dokki, Cairo, 12311, Egypt
| | - Yasser A Khadrawy
- Department of Physiology, National Research Centre, Tahrir Street, Dokki, Cairo, 12311, Egypt
| | - Amany A Sleem
- Department of Pharmacology, National Research Centre, Tahrir Street, Dokki, Cairo, 12311, Egypt
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26
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Abdel-Salam OME, Youness ER, Mohammed NA, Yassen NN, Khadrawy YA, El-Toukhy SE, Sleem AA. Nitric oxide synthase inhibitors protect against brain and liver damage caused by acute malathion intoxication. ASIAN PAC J TROP MED 2017; 10:773-786. [PMID: 28942826 DOI: 10.1016/j.apjtm.2017.07.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 06/25/2017] [Accepted: 06/30/2017] [Indexed: 11/16/2022] Open
Abstract
OBJECTIVE To investigate the effect of NG-nitro-l-arginine methyl ester (l-NAME), a non-selective nitric oxide synthase (NOS) inhibitor, and 7-nitroindazole (7-NI), a selective neuronal NOS inhibitor, on oxidative stress and tissue damage in brain and liver and on DNA damage of peripheral blood lymphocytes in malathion intoxicated rats. METHODS Malathion (150 mg/kg) was given intraperitoneally (i.p.) along with l-NAME or 7-NI (10 or 20 mg/kg, i.p.) and rats were euthanized 4 h later. The lipid peroxidation product malondialdehyde (MDA), nitric oxide (nitrite), reduced glutathione (GSH) concentrations and paraoxonase-1 (PON-1) activity were measured in both brain and liver. Moreover, the activities of glutathione peroxidase (GPx) acetylcholinesterase (AChE), and butyrylcholinesterase (BChE), total antioxidant capacity (TAC), glucose concentrations were determined in brain. Liver enzyme determination, Comet assay, histopathological examination of brain and liver sections and inducible nitric oxide synthase (iNOS) immunohistochemistry were also performed. RESULTS (i) Rats treated with only malathion exhibited increased nitric oxide and lipid peroxidation (malondialdehyde) accompanied with a decrease in GSH content, and PON-1 activity in brain and liver. Glutathione peroxidase activity, TAC, glucose concentrations, AChE and BChE activities were decreased in brain. There were also raised liver aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities and increased DNA damage of peripheral blood lymphocytes (Comet assay). Malathion caused marked histopathological changes and increased the expression of iNOS in brain and liver tissues. (ii) In brain of malathion-intoxicated rats, l-NAME or 7-NI resulted in decreased nitrite and MDA contents while increasing TAC and PON1 activity. Reduced GSH and GPx activity showed an increase by l-NAME. AChE activity increased by 20 mg/kg l-NAME and 10 mg/kg 7-NI. AChE activity decreased by the higher dose of 7-NI while either dose of 7-NI resulted in decreased BChE activity. (iii) In liver of malathion-intoxicated rats, decreased MDA content was observed after l-NAME or 7-NI. Nitrite level was unchanged by l-NAME but increased after 7-NI which also resulted in decreased GSH concentration and PON1 activity. Either inhibitor resulted in decreased liver ALT activity. (iv) DNA damage of peripheral blood lymphocytes was markedly inhibited by l-NAME or 7-NI treatment. (v) iNOS expression in brain and liver decreased by l-NAME or 7-NI. (vi) More marked improvement of the histopathological alterations induced by malathion in brain and liver was observed after 7-NI compared with l-NAME. CONCLUSIONS In malathion intoxicated rats, the neuronal NOS inhibitor 7-NI and to much less extent l-NAME were able to protect the brain and liver tissue integrity along with improvement in oxidative stress parameters. The decrease in DNA damage of peripheral blood lymphocytes by NOS inhibitors also suggests the involvement of nitric oxide in this process.
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Affiliation(s)
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Nadia A Mohammed
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Noha N Yassen
- Department of Pathology, National Research Centre, Cairo, Egypt
| | | | | | - Amany A Sleem
- Department of Pharmacology, National Research Centre, Cairo, Egypt
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El-Alameey IR, Fathy GA, Shady MMA, Ali A, Fathy HA, Youness ER, Nasr SA. Relationship of Oxidant and Antioxidant Markers to Asthma Severity in Egyptian Asthmatic Children. Open Access Maced J Med Sci 2017; 5:645-650. [PMID: 28932307 PMCID: PMC5591596 DOI: 10.3889/oamjms.2017.149] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2017] [Revised: 06/18/2017] [Accepted: 06/20/2017] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND: Asthma is a chronic airway disease which is characterized by oxidant antioxidant imbalance with the generation of oxidative stress related mediators. AIM: The study aimed to evaluate the role of asymmetric dimethylarginine, and malondialdehyde as oxidant markers and serum paraoxonase activity as an antioxidant marker in asthma, and to determine their relationship to the asthma severity and lung function among asthmatic children in Egypt. PATIENTS AND METHODS: This case control study was conducted on sixty patients with asthma compared with sixty apparently healthy children of matched age and sex. RESULTS: Serum concentrations of oxidant markers as asymmetric dimethylarginine and malondialdehyde were significantly increased in asthmatic patients while anti-oxidant marker as paraoxonase activity was significantly decreased compared to healthy controls (P < 0.05). ANOVA test revealed highly significant elevation of the serum concentrations of oxidant markers while anti-oxidant marker was significantly decreased in severe asthmatic patients (P < 0.001) compared to the patients with moderate and mild asthma respectively. Serum malondialdehyde concentration was a strong predictor of asthma severity by multiple regression analysis (P < 0.05). CONCLUSION: The study revealed an imbalance between oxidative and antioxidant defence systems in asthmatic children. Serum concentration of malondialdehyde was the most predictive biomarker having a significant association with asthma severity.
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Affiliation(s)
| | - Gihan A Fathy
- National Research Centre, Child Health Department, Egypt
| | | | - Alaa Ali
- National Research Centre, Child Health Department, Egypt
| | - Hanan A Fathy
- National Center for Radiation Research and Technology, Pediatric Department, Egypt
| | | | - Soha A Nasr
- National Research Centre, Clinical Pathology, Egypt
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Abdel-Salam OME, Youness ER, Ahmed NA, El-Toumy SA, Souleman AMA, Shaffie N, Abouelfadl DM. Bougainvillea spectabilis flowers extract protects against the rotenone-induced toxicity. ASIAN PAC J TROP MED 2017. [PMID: 28647186 DOI: 10.1016/j.apjtm.2017.05.013] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE To investigate the effect of two extracts of Bougainvillea spectabilis (B. spectabilis) flowers with yellow and pink/purple on brain oxidative stress and neuronal damage caused in rats by systemic rotenone injection. METHODS Rotenone 1.5 mg/kg was given three times per week alone or in combination with B. spectabilis flowers extracts (25 mg or 50 mg) via the subcutaneous route for 2 weeks. Brain concentrations of the lipid peroxidation marker malondialdehyde (MDA), reduced glutathione, nitric oxide (nitrite), the pro-inflammatory cytokine interleukin-1beta (Il-1β) as well as butyrylcholinesterase, and paraoxonase-1 (PON-1) activities, were determined. Histopathology and caspase-3 immunohistochemistry were also performed. RESULTS Rotenone resulted in significant increases of brain MDA (the product of lipid peroxidation), and nitric oxide content along with decreased brain reduced glutathione. There were also marked and significant inhibition of brain PON-1 and BChE activities and increased Il-1β in brain of rotenone-treated rats. B. spectabilis flowers extract itself resulted in brain oxidative stress increasing both lipid peroxidation and nitrite content whilst inhibiting PON-1 activity. The yellow flowers extract inhibited BChE activity and increased brain Il-1β. When given to rotenone-treated rats, B. spectabilis extracts, however, decreased lipid peroxidation while their low administered doses increased brain GSH. Brain nitrite decreased by the pink extract but showed further increase by the yellow extract. Either extract, however, caused further inhibition of PON-1 activity while the yellow extract resulted in further inhibition of BChE activity. Histopathological studies indicated that both extracts protected against brain, liver and kidney damage caused by the toxicant. CONCLUSIONS These data indicate that B. spectabilis flowers extracts exert protective effect against the toxic effects of rotenone on brain, liver and kidney. B. spectabilis flowers extracts decreased brain lipid peroxidation and prevented neuronal death due to rotenone and might thus prove the value in treatment of Parkinson's disease.
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Affiliation(s)
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Nadia A Ahmed
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | - Sayed A El-Toumy
- Department of Chemistry of Tannins, National Research Centre, Cairo, Egypt
| | - Ahmed M A Souleman
- Department of Phytochemistry and Plant Systematic, National Research Centre, Cairo, Egypt
| | - Nermeen Shaffie
- Department of Pathology, National Research Centre, Cairo, Egypt
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Abdel-Salam OM, Youness ER, Mohammed NA, Yassen NN, Khadrawy YA, El-Toukhy SE, Sleem AA. Novel neuroprotective and hepatoprotective effects of citric acid in acute malathion intoxication. ASIAN PAC J TROP MED 2016; 9:1181-1194. [DOI: 10.1016/j.apjtm.2016.11.005] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 08/19/2016] [Accepted: 09/18/2016] [Indexed: 11/16/2022] Open
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Abdel-Salam OME, Youness ER, Khadrawy YA, Sleem AA. Acetylcholinesterase, butyrylcholinesterase and paraoxonase 1 activities in rats treated with cannabis, tramadol or both. ASIAN PAC J TROP MED 2016; 9:1089-1094. [PMID: 27890370 DOI: 10.1016/j.apjtm.2016.09.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 08/20/2016] [Accepted: 08/25/2016] [Indexed: 10/20/2022] Open
Abstract
OBJECTIVE To investigate the effect of Cannabis sativa resin and/or tramadol, two commonly drugs of abuse on acetylcholinesterase and butyrylcholinesterase activities as a possible cholinergic biomarkers of neurotoxicity induced by these agents. METHODS Rats were treated with cannabis resin (5, 10 or 20 mg/kg) (equivalent to the active constituent Δ9-tetrahydrocannabinol), tramadol (5, 10 and 20 mg/kg) or tramadol (10 mg/kg) combined with cannabis resin (5, 10 and 20 mg/kg) subcutaneously daily for 6 weeks. Acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) activities were measured in brain and serum. We also measured the activity of paraoxonase-1 (PON1) in serum of rats treated with these agents. RESULTS (i) AChE activity in brain increased after 10-20 mg/kg cannabis resin (by 16.3-36.5%). AChE activity in brain did not change after treatment with 5-20 mg/kg tramadol. The administration of both cannabis resin (5, 10 or 20 mg/kg) and tramadol (10 mg/kg) resulted in decreased brain AChE activity by 14.1%, 12.9% and 13.6%, respectively; (ii) BChE activity in serum was markedly and dose-dependently inhibited by cannabis resin (by 60.9-76.9%). BChE activity also decreased by 17.6-36.5% by 10-20 mg/kg tramadol and by 57.2-63.9% by the cannabis resin/tramadol combined treatment; (iii) Cannabis resin at doses of 20 mg/kg increased serum PON1 activity by 25.7%. In contrast, tramadol given at 5, 10 and 20 mg/kg resulted in a dose-dependent decrease in serum PON1 activity by 19%, 36.7%, and 46.1%, respectively. Meanwhile, treatment with cannabis resin plus tramadol resulted in 40.2%, 35.8%, 30.7% inhibition of PON1 activity compared to the saline group. CONCLUSIONS These data suggest that cannabis resin exerts different effects on AChE and BChE activities which could contribute to the memory problems and the decline in cognitive function in chronic users.
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Affiliation(s)
| | - Eman R Youness
- Department of Medical Biochemistry, National Research Centre, Cairo, Egypt
| | | | - Amany A Sleem
- Department of Pharmacology, National Research Centre, Cairo, Egypt
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El-Sonbaty MM, AlSharany W, Youness ER, Mohamed NA, Abdel-Hamid TA, Abdel-Razek ARA. Diagnostic utility of biomarkers in diagnosis of early stages of neonatal sepsis in neonatal intensive care unit in Egypt. Egyptian Pediatric Association Gazette 2016. [DOI: 10.1016/j.epag.2016.01.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Abu Shady MM, Fathy HA, Ali A, Youness ER, Fathy GA. Erratum on “Association of neopterin as a marker of immune system activation and juvenile rheumatoid arthritis activity”. Jornal de Pediatria (Versão em Português) 2015. [DOI: 10.1016/j.jpedp.2015.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Abu Shady MM, Fathy HA, Ali A, Youness ER, Fathy GA. Association of neopterin as a marker of immune system activation and juvenile rheumatoid arthritis activity. Jornal de Pediatria (Versão em Português) 2015. [DOI: 10.1016/j.jpedp.2015.04.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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Shady MMA, Fathy HA, Ali A, Youness ER, Fathy GA. Association of neopterin as a marker of immune system activation and juvenile rheumatoid arthritis activity. J Pediatr (Rio J) 2015; 91:352-7. [PMID: 25727025 DOI: 10.1016/j.jped.2014.09.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/13/2014] [Revised: 08/31/2014] [Accepted: 09/10/2014] [Indexed: 02/01/2023] Open
Abstract
OBJECTIVE To evaluate neopterin plasma concentrations in patients with active juvenile idiopathic arthritis (JIA) and correlate them with disease activity. METHODS Sixty patients diagnosed as active JIA, as well as another 60 apparently healthy age- and gender-matched children as controls, were recruited from the Pediatrics Allergy and Immunology Clinic, Ain Shams University. Disease activity was assessed by the Juvenile Arthritis Disease Activity Score 27 (JADAS-27). Laboratory investigations were performed for all patients, including determination of hemoglobin concentration (Hgb), erythrocyte sedimentation rate (ESR), and C-reactive protein. Serum concentrations of tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), monocyte chemoattractant protein-1 (MCP-1), and neopterin were measured. RESULTS Significant differences were found between JIA patients and controls with regard to the mean levels of Hgb, ESR, TNF-α, IL-6, and MCP-1 (p<0.05). A statistically significant higher mean level serum neopterin concentration (p<0.05) was found in JIA patients (20.43±8.73 nmol/L) than in controls (6.88±2.87 nmol/L) (p<0.05). Positive significant correlations were detected between serum neopterin and ESR, TNF-α, IL-6, MCP-1, and JADAS-27 (p<0.05). No correlation was found between serum neopterin and CRP (p>0.05). Multiple linear regression analysis showed that JADAS- 27 and ESR were the main variables associated with serum neopterin in JIA patients (p<0.05). CONCLUSION The elevation of plasma neopterin concentrations in early JIA patients may indicate stimulation of immune response. Serum neopterin can be used as a sensitive marker for assaying background inflammation and disease activity score in JIA patients.
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Affiliation(s)
- Mones M Abu Shady
- Child Health Department, Medical Division, National Research Centre, Cairo, Egypt
| | - Hanan A Fathy
- Health Research Department, National Research Centre, Cairo, Egypt
| | - Alaa Ali
- Child Health Department, Medical Division, National Research Centre, Cairo, Egypt
| | - Eman R Youness
- Medical Biochemistry Division, National Center for Radiation and Technology, Cairo, Egypt.
| | - Gihan A Fathy
- Child Health Department, Medical Division, National Research Centre, Cairo, Egypt
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E. Abdel-Salam OM, Youness ER, Mohammed NA, Elhamed WAA. Nuclear Factor-Kappa B and Other Oxidative Stress Biomarkers in Serum of Autistic Children. ACTA ACUST UNITED AC 2015. [DOI: 10.4236/ojmip.2015.51002] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Abdel Hameed ER, El-Alameey IR, Sherif LS, Khairy SA, Megawer AS, Youness ER, El-Shiemy AM. Serum Asymmetric Dimethylarginine, and Adiponectin as Predictors of Atherosclerotic Risk among Obese Egyptian Children. Open Access Maced J Med Sci 2014. [DOI: 10.3889/oamjms.2014.032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
BACKGROUND: Obesity is associated with an increased risk of developing hyperinsulinemia, dyslipidemia, hypertension, premature atherosclerosis, and coronary artery disease in the future.AIM: This study is designed to assess the relationship between serum adiponectin, asymmetric dimethylarginine (ADMA), and lipid profile among Egyptian overweight and obese children.METHODS: This cross sectional case control study included 40 selected pre-pubertal overweight and obese children, 24 girls (60%) and 16 boys (40%) aged between 5 to 13 years (8.85 ± 2.7 years), from new cases attending the National nutrition institute clinic during 2013. Forty apparently healthy children of matched age and sex were recruited as a control group.RESULTS: Obese group showed highly significant higher levels of serum ADMA, triglycerides, and total cholesterol compared with healthy controls (P <0.000 in all). However, serum adiponectin levels were highly significant lower in obese children compared to healthy controls (P < 0.000). Serum ADMA showed significant positive correlations with height, serum total cholesterol and serum triglycerides levels and significant negative correlation with the body mass index and weight for age z score. Serum adiponectin showed significant negative correlations with BMI, weight, and weight for age z score and significant positive correlation with serum triglycerides. By linear regression analysis; serum adiponectin, and serum triglycerides levels were significant predictors of high serum ADMA level (p =0.045 and 0.015 respectively). BMI, weight, height and serum triglycerides were significant predictors of low serum adiponectin levels (p = 0.005, 0.022, 0.026 and 0.015 respectively).CONCLUSIONS: Our results revealed that ADMA, Adiponectin and lipid profile can be considered as predictive biomarkers in prediction and prevention of atherosclerotic risk in the future among overweight and obese Egyptian children.
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El-Ghamrawy MK, Hanna WM, Abdel-Salam A, El-Sonbaty MM, Youness ER, Adel A. Oxidant-antioxidant status in Egyptian children with sickle cell anemia: a single center based study. Jornal de Pediatria (Versão em Português) 2014. [DOI: 10.1016/j.jpedp.2013.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
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El-Ghamrawy MK, Hanna WM, Abdel-Salam A, El-Sonbaty MM, Youness ER, Adel A. Oxidant-antioxidant status in Egyptian children with sickle cell anemia: a single center based study. J Pediatr (Rio J) 2014; 90:286-92. [PMID: 24508012 DOI: 10.1016/j.jped.2013.09.005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2013] [Revised: 08/24/2013] [Accepted: 09/04/2013] [Indexed: 01/02/2023] Open
Abstract
OBJECTIVE the present study was conducted to investigate the oxidant-antioxidant status in Egyptian children with sickle cell anemia. METHODS the serum levels of total antioxidant capacity (TAO), paraoxonase (PON), vitamin E, nitrite, and malondialdehyde (MDA) were measured in 40 steady state children with homozygous sickle cell anemia (24 males and 16 females) and 20 apparently healthy age- and gender-matched controls. RESULTS mean serum TAO, PON, vitamin E, and nitrite levels were significantly lower in the group with sickle cell anemia, whereas mean serum MDA was significantly higher in these children compared to controls. No significant differences in mean levels of TAO, PON, nitrite, vitamin E, and MDA were found in sickle cell anemia patients receiving hydroxyurea when compared with those not receiving hydroxyurea. A significant negative correlation between serum nitrite and the occurrence of vaso-occlusive crises (VOC) was observed (r=-0.3, p=0.04). PON level was found to be positively correlated with patients' weight and BMI (r=-0.4, p=0.01; r=-0.7, p<0.001, respectively), but not with frequency of VOC. The area under the curve of serum nitrite in predicting occurrence of VOC was 0.782, versus 0.701 for PON, and 0.650 for TAO (p=0.006). Serum MDA was not correlated with nitrite, PON, TAO, or vitamin E levels. No significant correlations were detected between serum nitrite and hemoglobin or antioxidant enzymes. CONCLUSION children with sickle cell anemia have chronic oxidative stress that may result in increased VOC, and decreased serum nitrite may be associated with increases in VOC frequency. A novel finding in this study is the decrease in PON level in these patients, which is an interesting subject for further research.
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Affiliation(s)
| | | | - Amina Abdel-Salam
- Department of Pediatrics, New Children's Hospital, Cairo University, Cairo, Egypt
| | | | - Eman R Youness
- Department of Medical Biochemistry, National Research Center, Cairo, Egypt
| | - Ahmed Adel
- Department of Child Health, National Research Center, Cairo, Egypt
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Agha FE, Youness ER, Selim MMH, Ahmed HH. Nephroprotective potential of selenium and taurine against mercuric chloride induced nephropathy in rats. Ren Fail 2014; 36:704-16. [DOI: 10.3109/0886022x.2014.890012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Abdel-Salam OME, Youness ER, Mohammed NA, Morsy SMY, Omara EA, Sleem AA. Citric acid effects on brain and liver oxidative stress in lipopolysaccharide-treated mice. J Med Food 2014; 17:588-98. [PMID: 24433072 DOI: 10.1089/jmf.2013.0065] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Citric acid is a weak organic acid found in the greatest amounts in citrus fruits. This study examined the effect of citric acid on endotoxin-induced oxidative stress of the brain and liver. Mice were challenged with a single intraperitoneal dose of lipopolysaccharide (LPS; 200 μg/kg). Citric acid was given orally at 1, 2, or 4 g/kg at time of endotoxin injection and mice were euthanized 4 h later. LPS induced oxidative stress in the brain and liver tissue, resulting in marked increase in lipid peroxidation (malondialdehyde [MDA]) and nitrite, while significantly decreasing reduced glutathione, glutathione peroxidase (GPx), and paraoxonase 1 (PON1) activity. Tumor necrosis factor-alpha (TNF-α) showed a pronounced increase in brain tissue after endotoxin injection. The administration of citric acid (1-2 g/kg) attenuated LPS-induced elevations in brain MDA, nitrite, TNF-α, GPx, and PON1 activity. In the liver, nitrite was decreased by 1 g/kg citric acid. GPx activity was increased, while PON1 activity was decreased by citric acid. The LPS-induced liver injury, DNA fragmentation, serum transaminase elevations, caspase-3, and inducible nitric oxide synthase expression were attenuated by 1-2 g/kg citric acid. DNA fragmentation, however, increased after 4 g/kg citric acid. Thus in this model of systemic inflammation, citric acid (1-2 g/kg) decreased brain lipid peroxidation and inflammation, liver damage, and DNA fragmentation.
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Affiliation(s)
- Omar M E Abdel-Salam
- 1 Department of Toxicology and Narcotics, National Research Center , Cairo, Egypt
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Abdel-Salam OME, Youness ER, Mohammed NA, Omara EA, Sleem AA. Effect of ketamine on oxidative stress following lipopolysaccharide administration. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s00580-013-1854-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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Abdel-Razek ARA, Abdel-Salam A, El-Sonbaty MM, Youness ER. Study of thyroid function in Egyptian children with β-thalassemia major and β-thalassemia intermedia. J Egypt Public Health Assoc 2013; 88:148-152. [PMID: 24374948 DOI: 10.1097/01.epx.0000436490.10201.28] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND Thyroid dysfunction is a known complication of transfusion-dependent β-thalassemia. However, information on its frequency and risk factors among Egyptian Children is still unclear. OBJECTIVE We aimed to determine the frequency of functional thyroid abnormalities among young patients with β-thalassemia and compare the thyroid function status among patients with β-thalassemia major (TM) and β-thalassemia intermedia (TI). MATERIALS AND METHODS This was a cross-sectional study that included 52 β-thalassemia children [27 boys and 25 girls; 34 (65.4%) with TM and 18 (34.6%) with TI]. Their mean age was 16.0±1.91 (range: 12-18) years. Thyroid function and iron load status were assessed by measurement of free tetraiodothyronine, free triiodothyronine, thyroid stimulating hormone (TSH), and serum ferritin concentrations. RESULTS Serum TSH of the studied cases ranged from 0.28 to 25 μIU/ml with a mean of 4.5±4.8 μIU/ml. None of the studied cases had overt primary hypothyroidism and the frequency of subclinical hypothyroidism was 19.2%. No risk factors for thyroid dysfunction could be identified among our cases. The thyroid profile was comparable in TM and TI patients (P>0.05) and the frequency of subclinical hypothyroidism among TM cases was 20.6% and it was comparable to the 16.7% found among TI patients (P>0.05). No correlations were found between TSH, serum ferritin, chelation therapy, and frequency of blood transfusion. CONCLUSION AND RECOMMENDATIONS Both TM and TI patients are at risk for subclinical thyroid failure regardless of their iron overload status. Early evaluation of thyroid function in β-thalassemia children and thyroid replacement therapy for subclinical hypothyroidism should be introduced in the treatment protocols.
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Affiliation(s)
- Abdel-Rahman A Abdel-Razek
- aDepartment of Pediatrics, New Children's Hospital, Cairo University Departments of bChild Health cMedical Biochemistry, National Research Center, Cairo, Egypt
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Abdel-Salam OME, Youness ER, Khadrawy YA, Sleem AA. Brain and liver oxidative stress after sertraline and haloperidol treatment in mice. J Basic Clin Physiol Pharmacol 2013; 24:115-23. [PMID: 23435186 DOI: 10.1515/jbcpp-2012-0022] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2012] [Accepted: 01/29/2013] [Indexed: 11/15/2022]
Abstract
BACKGROUND Haloperidol is a classic antipsychotic drug known for its propensity to cause extrapyramidal side effects. Sertraline is an antidepressant drug which has been reported to cause extrapyramidal symptoms. We aimed to see whether treatment with sertraline would worsen the effect of haloperidol on oxidative stress in the brains of mice. METHODS Sertraline (10 or 20 mg/kg), haloperidol (2 mg/kg), haloperidol combined with sertraline or saline was administered daily via the subcutaneous route and mice were euthanized 10 days later when biochemical assays were carried out. Malondialdehyde (MDA), reduced glutathione (GSH), nitric oxide (nitrite) levels, total antioxidant capacity (TAC), acetylcholinesterase (AChE), catalase and paraoxonase 1 (PON1) activities were determined in the brain and liver. RESULTS Sertraline monotherapy did not alter GSH, MDA, TAC or nitrite in the brain. Haloperidol decreased GSH and TAC and increased MDA and nitrite. The combined treatment with sertraline and haloperidol resulted in increased MDA, but to a lesser extent than haloperidol monotherapy. A significant increase in GSH and TAC and decreased nitrite was observed after the combination treatment was compared with haloperidol monotherapy. Catalase activity decreased with sertraline or haloperidol treatment. PON1 activity decreased with sertraline and haloperidol monotherapy and showed a further decrease with the combination therapy compared with haloperidol monotherapy. AChE activity decreased after haloperidol and increased with the combination treatment compared with haloperidol monotherapy. In the liver, GSH was unaltered after sertraline, haloperidol or their combination. MDA increased with sertraline, haloperidol and their combination. TAC decreased after combination therapy. Nitric oxide increased after sertraline, haloperidol or their combination. PON1 activity decreased with sertraline, haloperidol and with sertraline-haloperidol co-treatment. CONCLUSIONS Sertraline did not worsen brain oxidative stress-induced with haloperidol, however, liver peroxidation increased. Sertraline decreased catalase and PON1 activity which might expose the brain to further oxidative insults.
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Affiliation(s)
- Omar M E Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Tahrir St., Dokki, Cairo, Egypt.
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Abdel-Salam OME, Khadrawy YA, Youness ER, Mohammed NA, Abdel-Rahman RF, Hussein JS, Shafee N. Effect of a single intrastriatal rotenone injection on oxidative stress and neurodegeneration in the rat brain. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s00580-013-1807-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Abstract
CONTEXT Cadmium (Cd) is a widespread environmental pollutant that is associated with increased risk of osteoporosis. It has been proposed that Cd's toxic effect on bone is exerted via impaired activation of vitamin D, secondary to the kidney effects. OBJECTIVE The present study was designed to investigate the damaging impact of Cd in drinking water on bone from biochemical and histopathological point of view. MATERIALS AND METHODS This study was conducted on 30, 3-months-old female Sprague Dawley rats exposed to cadmium chloride in a dose of 50 mg Cd/L in drinking water for 3 months. Serum was taken for determination of calcium, phosphorous levels, parathyroid hormone, 1,25 dihydroxy vitamin D(3), osteocalcin (OC) and bone specific alkaline phosphatase (BALP) activity. RESULTS The result revealed that Cd administration induces significant increase in serum calcium (Ca), phosphorous (P) and parathyroid hormone (PTH) levels in concomitant with significant reduction in serum vitamin D(3), osteocalcin (OC) levels and bone specific alkaline phosphatase (BALP) activity. CONCLUSION The present study provided clear evidence that long-term exposure to cadmium chloride produced marked abnormalities in bone biomarkers and increasing risk of fracture.
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Affiliation(s)
- Eman R Youness
- Department of Medical Biochemistry-National Research Centre, Cairo, Egypt.
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Abdel-Salam OME, Youness ER, Mohammed NA, Abd-Elmoniem M, Omara E, Sleem AA. Neuroprotective and hepatoprotective effects of micronized purified flavonoid fraction (Daflon®) in lipopolysaccharide-treated rats. Drug Discov Ther 2012; 6:306-314. [PMID: 23337818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Micronized purified flavonoid fraction (MPFF, Daflon®) is a phlebotonic drug widely used in chronic venous or lymphatic insufficiency. We aimed to investigate the effects of MPFF on hepatic and brain oxidative stress and on liver injury caused by lipopolysaccharide (LPS) in rats. MPFF (4.5, 9, or 18 mg/kg) or saline was administered orally for two days prior to intraperitoneal (i.p.) LPS (300 μg/kg) and at time of LPS administration. Rats were euthanized 4 h after LPS injection. The administration of LPS increased oxidative stress in brain and liver tissue. Malondialdehyde (MDA) increased by 193.5 and 191.8%, reduced glutathione (GSH) decreased by 73.8 and 70.8% and nitric oxide increased by 118.2 and 151.7% in the brain and liver, respectively. Serum paraoxonase 1 (PON1) activity decreased by 42.6%. Serum aspartate aminotransferase (AST), alanine aminotransferase (ALT) and alkaline phosphatase (ALP) were raised by 101.8, 93.6, and 223.2%, respectively. Rats treated with MPFF at 9 and 18 mg/kg showed decreased brain MDA (27.5-34%), nitrite (25.5-41%) and increased GSH (27.2-74.1%). In the liver, MDA decreased by 16.4-59.8%, nitrite decreased by 54.7-56.7%, and GSH increased by 15.2-70.5% with MPFF at 4.5, 9, or 18 mg/kg, respectively. Serum PON1 activity showed 41-65.9% increments with MPFF. Significant reductions in serum AST, ALT, and ALP were seen after treatment with MPFF. Moreover, the degree of histological damage, expression of the inducible form of nitric oxide synthase and the apoptotic enzyme caspase-3 in the liver were substantially reduced. MPFF thus prevented the increased oxidative stress and inflammation in brain and liver as well as the liver dysfunction caused by endotoxemia in the rat.
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Abdel-Salam OME, Khadrawy YA, Mohammed NA, Youness ER. The effect of gabapentin on oxidative stress in a model of toxic demyelination in rat brain. J Basic Clin Physiol Pharmacol 2012; 23:61-68. [PMID: 23089532 DOI: 10.1515/jbcpp-2012-0004] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2012] [Accepted: 06/27/2012] [Indexed: 05/27/2023]
Abstract
BACKGROUND Gabapentin, a structural analog of γ-aminobutyric acid (GABA), is used in the treatment of neuropathic pain in multiple sclerosis. METHODS This study investigated the effect of gabapentin on oxidative stress in a model of brain demyelination evoked by intracerebral injection (i.c.i) of ethidium bromide (10 μL of 0.1%). Rats received saline (control) or gabapentin at 100 or 300 mg/kg orally daily for 10 days prior to injection of ethidium bromide. Rats were euthanized 1 day later, and then the levels of reduced glutathione (GSH), glutathione peroxidase (GPx) activity, lipid peroxidation (malondialdehyde; MDA), nitrite, acetyl cholinesterase (AChE) and paraoxonase activities were assessed in the brain cortex in different treatment groups. RESULTS Ethidium bromide resulted in increased oxidative stress in the cortex 1 day after its injection. Malondialdehyde increased by 30.2%, whereas GSH decreased by 17.6%. GPx activity was inhibited by 78.6%. Brain nitrite increased by 55.4%, AChE activity decreased by 33.4% and paraoxonase activity decreased by 27.5%. In ethidium bromide treated rats, gabapentin administered at 300 mg/kg increased cortical MDA by 66%. GSH was unaltered by gabapentin, but GPx activity decreased by 54.3% by the higher dose of gabapentin. Nitrite decreased by 21.4% and 29.2% after 100 and 300 mg/kg of gabapentin, respectively. AChE activity increased by 28.6% and 69.3% by 100 and 300 mg/kg of gabapentin, respectively. Paraoxonase activity showed 83.3% and 73% decreases by 100 and 300 mg/kg of gabapentin, respectively. CONCLUSIONS These results suggest that gabapentin increases brain lipid peroxidation and decreases brain antioxidant enzymes in this model of chemical demyelination.
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Affiliation(s)
- Omar M E Abdel-Salam
- Department of Toxicology and Narcotics, National Research Centre, Dokki, Cairo, Egypt.
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Abdel-Salam OME, Youness ER, Hafez HF. The antioxidant status of the plasma in patients with breast cancer undergoing chemotherapy. ACTA ACUST UNITED AC 2011. [DOI: 10.4236/ojmip.2011.13005] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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