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Raafat RS, Habib MZ, AbdElfattah AA, Olama NK, Abdelraouf SM, Hendawy N, Kamal KA, Nawishy SA, Aboul-Fotouh S. Corrigendum to "Amisulpride attenuates 5-fluorouracil-induced cognitive deficits via modulating hippocampal Wnt/GSK-3β/β-catenin signaling in Wistar rats" [Int. Immunopharmacol. 124(Part A) (2023) 110945]. Int Immunopharmacol 2023; 125:111203. [PMID: 37978013 DOI: 10.1016/j.intimp.2023.111203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Affiliation(s)
- Radwa S Raafat
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Z Habib
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Faculty of Medicine, King Salman International University, El-Tor, South Sinai, Egypt.
| | - Amany A AbdElfattah
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, El-Mansoura, Egypt. Faculty of Medicine, King Salman International University, El-Tor, South Sinai, Egypt
| | - Nouran K Olama
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sahar M Abdelraouf
- Department of Biochemistry, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Nevien Hendawy
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Faculty of Medicine, Galala University, Suez, Egypt
| | - Khaled A Kamal
- Department of Clinical Oncology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Salwa A Nawishy
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sawsan Aboul-Fotouh
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Raafat RS, Habib MZ, AbdElfattah AA, Olama NK, Abdelraouf SM, Hendawy N, Kamal KA, Nawishy SA, Aboul-Fotouh S. Amisulpride attenuates 5-fluorouracil-induced cognitive deficits via modulating hippocampal Wnt/GSK-3β/β-catenin signaling in Wistar rats. Int Immunopharmacol 2023; 124:110945. [PMID: 37716161 DOI: 10.1016/j.intimp.2023.110945] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 09/02/2023] [Accepted: 09/12/2023] [Indexed: 09/18/2023]
Abstract
Chemotherapy-induced cognitive impairment (CICI) is a general term describing cognitive dysfunction during/after treatment with chemotherapeutic agents. CICI represents a significant medical problem due to its increasing prevalence with the lack of robust therapeutic approaches. This study aimed at investigating the effects of chronic treatment with amisulpride (5 mg/kg/day) in the management of 5-fluorouracil (5-FU)-induced cognitive deficits in Wistar rats. Rats received 5 intraperitoneal injections of 5-FU (25 mg/kg every 3 days). 5-FU treatment induced impairments in spatial learning (reduction in object location discrimination ratio) and non-spatial learning (reduction in novel object recognition discrimination ratio). Moreover, 5-FU induced a decrease in the activity of the Wnt/GSK-3β/β-catenin pathway with a decrease in brain-derived neurotrophic factor (BDNF) level in the hippocampus. These changes were associated with an increase in the expression of the pro-inflammatory cytokines; tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β), in hippocampal tissue sections accompanied by a decrease in the number of Ki-67 positive cells (indicating a decrease in proliferative capacity), a decrease in the Nissl's granules optical density (denoting neurodegeneration), a decrease in the number of viable intact neurons with an increase in the expression of β-amyloid and caspase-3. Amisulpride enhanced Wnt/GSK-3β/β-catenin signaling, increased BDNF levels, and abrogated 5-FU-induced neuroinflammation, apoptosis, β-amyloid accumulation, and neurodegenerative changes with an improvement of cognitive performance. This study draws attention to the pro-cognitive effects of amisulpride in 5-FU-exposed rats that could be attributed to enhancing hippocampal Wnt/GSK-3β/β-catenin signaling pathway, and this could offer a promising therapeutic option for subjects with CICI.
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Affiliation(s)
- Radwa S Raafat
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Z Habib
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Faculty of Medicine, King Salman International University, El-Tor, South Sinai, Egypt.
| | - Amany A AbdElfattah
- Department of Medical Histology and Cell Biology, Faculty of Medicine, Mansoura University, El-Mansoura, Egypt; Faculty of Medicine, King Salman International University, El-Tor, South Sinai, Egypt
| | - Nouran K Olama
- Department of Anatomy and Embryology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sahar M Abdelraouf
- Department of Biochemistry, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Nevien Hendawy
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Faculty of Medicine, Galala University, Suez, Egypt
| | - Khaled A Kamal
- Department of Clinical Oncology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Salwa A Nawishy
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sawsan Aboul-Fotouh
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Aboul-Fotouh S, Mahmoud AN, Elnahas EM, Habib MZ, Abdelraouf SM. What are the current anti-COVID-19 drugs? From traditional to smart molecular mechanisms. Virol J 2023; 20:241. [PMID: 37875904 PMCID: PMC10594888 DOI: 10.1186/s12985-023-02210-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 10/13/2023] [Indexed: 10/26/2023] Open
Abstract
BACKGROUND Coronavirus disease 19 (COVID-19) is the disease caused by SARS-CoV-2, a highly infectious member of the coronavirus family, which emerged in December 2019 in "Wuhan, China". It induces respiratory illness ranging from mild symptoms to severe disease. It was declared a "pandemic" by the World Health Organization (WHO) in March 2020. Since then, a vast number of clinical and experimental studies have been conducted to identify effective approaches for its prevention and treatment. MAIN BODY The pathophysiology of COVID-19 represents an unprecedented challenge; it triggers a strong immune response, which may be exacerbated by "a cytokine storm syndrome". It also induces thrombogenesis and may trigger multi-organ injury. Therefore, different drug classes have been proposed for its treatment and prevention, such as antivirals, anti-SARS-CoV-2 antibody agents (monoclonal antibodies, convalescent plasma, and immunoglobulins), anti-inflammatory drugs, immunomodulators, and anticoagulant drugs. To the best of our knowledge, this review is the first to present, discuss, and summarize the current knowledge about the different drug classes used for the treatment of COVID-19, with special emphasis on their targets, mechanisms of action, and important adverse effects and drug interactions. Additionally, we spotlight the latest "October 2023" important guidelines (NIH, IDSA, and NICE) and FDA approval or authorization regarding the use of these agents in the management of COVID-19. CONCLUSION Despite the wide array of therapeutic strategies introduced for the treatment of COVID-19, one of the most prominent therapeutic challenges is SARS-CoV-2 mutations and emerging new variants and subvariants. Currently, the anti-COVID-19 drug pipeline is continuously affording novel treatments to face this growing challenge.
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Affiliation(s)
- Sawsan Aboul-Fotouh
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
- Clinical Pharmacology Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ahmed Nageh Mahmoud
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Esraa M Elnahas
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Z Habib
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | - Sahar M Abdelraouf
- Department of Biochemistry, Faculty of Pharmacy, Misr International University, Cairo, Egypt
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Habib MZ, Elnahas EM, Aboul-Ela YM, Ebeid MA, Tarek M, Sadek DR, Negm EA, Abdelhakam DA, Aboul-Fotouh S. Risperidone impedes glutamate excitotoxicity in a valproic acid rat model of autism: Role of ADAR2 in AMPA GluA2 RNA editing. Eur J Pharmacol 2023; 955:175916. [PMID: 37460052 DOI: 10.1016/j.ejphar.2023.175916] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/28/2023]
Abstract
Several reports indicate a plausible role of calcium (Ca2+) permeable AMPA glutamate receptors (with RNA hypo-editing at the GluA2 Q/R site) and the subsequent excitotoxicity-mediated neuronal death in the pathogenesis of a wide array of neurological disorders including autism spectrum disorder (ASD). This study was designed to examine the effects of chronic risperidone treatment on the expression of adenosine deaminase acting on RNA 2 (Adar2), the status of AMPA glutamate receptor GluA2 editing, and its effects on oxidative/nitrosative stress and excitotoxicity-mediated neuronal death in the prenatal valproic acid (VPA) rat model of ASD. Prenatal VPA exposure was associated with autistic-like behaviors accompanied by an increase in the apoptotic marker "caspase-3" and a decrease in the antiapoptotic marker "BCL2" alongside a reduction in the Adar2 relative gene expression and an increase in GluA2 Q:R ratio in the hippocampus and the prefrontal cortex. Risperidone, at doses of 1 and 3 mg, improved the VPA-induced behavioral deficits and enhanced the Adar2 relative gene expression and the subsequent GluA2 subunit editing. This was reflected on the cellular level where risperidone impeded VPA-induced oxidative/nitrosative stress and neurodegenerative changes. In conclusion, the present study confirms a possible role for Adar2 downregulation and the subsequent hypo-editing of the GluA2 subunit in the pathophysiology of the prenatal VPA rat model of autism and highlights the favorable effect of risperidone on reversing the RNA editing machinery deficits, giving insights into a new possible mechanism of risperidone in autism.
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Affiliation(s)
- Mohamed Z Habib
- Clinical Pharmacology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | - Esraa M Elnahas
- Clinical Pharmacology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Yasmin M Aboul-Ela
- Clinical Pharmacology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mai A Ebeid
- Clinical Pharmacology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Marwa Tarek
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Doaa R Sadek
- Histology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Eman A Negm
- Histology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Dina A Abdelhakam
- Clinical Pathology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sawsan Aboul-Fotouh
- Clinical Pharmacology Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Clinical Pharmacology Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Zohny SM, Habib MZ, Mohamad MI, Elayat WM, Elhossiny RM, El-Salam MFA, Hassan GAM, Aboul-Fotouh S. Memantine/Aripiprazole Combination Alleviates Cognitive Dysfunction in Valproic Acid Rat Model of Autism: Hippocampal CREB/BDNF Signaling and Glutamate Homeostasis. Neurotherapeutics 2023; 20:464-483. [PMID: 36918475 PMCID: PMC10121975 DOI: 10.1007/s13311-023-01360-w] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/17/2023] [Indexed: 03/15/2023] Open
Abstract
Significant efforts are increasingly directed towards identifying novel therapeutic targets for autism spectrum disorder (ASD) with a rising role of aberrant glutamatergic transmission in the pathogenesis of ASD-associated cellular and behavioral deficits. This study aimed at investigating the role of chronic memantine (20 mg/kg/day) and aripiprazole (3 mg/kg/day) combination therapy in the management of prenatal sodium valproate (VPA)-induced autistic-like/cognitive deficits in male Wistar rats. Pregnant female rats received a single intraperitoneal injection of VPA (600 mg/kg) to induce autistic-like behaviors in their offspring. Prenatal VPA induced autistic-like symptoms (decreased social interaction and the appearance of stereotyped behavior) with deficits in spatial learning (in Morris water maze) and cognitive flexibility (in the attentional set-shifting task) in addition to decreased hippocampal protein levels of phosphorylated cAMP response element-binding protein (p-CREB), brain-derived neurotrophic factor (BDNF), and gene expression of glutamate transporter-1 (Glt-1) with a decline in GABA/glutamate ratio (both measured by HPLC). These were accompanied by the appearance of numerous neurofibrillary tangles (NFTs) with enhanced apoptosis in hippocampal sections. Memantine/aripiprazole combination increased the protein levels of p-CREB, BDNF, and Glt-1 gene expression with restoration of GABA/glutamate balance, attenuation of VPA-induced neurodegenerative changes and autistic-like symptoms, and improvement of cognitive performance. This study draws attention to the favorable cognitive effects of memantine/aripiprazole combination in autistic subjects which could be mediated via enhancing CREB/BDNF signaling with increased expression of astrocytic Glt-1 and restoration of GABA/glutamate balance, leading to inhibition of hippocampal NFTs formation and neuronal apoptosis.
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Affiliation(s)
- Sohir M Zohny
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, 11566, Egypt
| | - Mohamed Z Habib
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, 11566, Egypt.
| | - Magda I Mohamad
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Wael M Elayat
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Reham M Elhossiny
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | | | - Ghada A M Hassan
- Neuropsychiatry Department, Faculty of Medicine, Galala University, Al Galala, Egypt
- Neuropsychiatry Department, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sawsan Aboul-Fotouh
- Department of Clinical Pharmacology, Faculty of Medicine, Ain Shams University, Abbassia, Cairo, 11566, Egypt
- Clinical Pharmacology Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Aboul-Fotouh S, Habib MZ, Magdy SM, Hassan BEDE. Tranexamic acid-associated fatal status epilepticus in a pediatric non-cardiac surgery: A case report and literature review. Br J Clin Pharmacol 2022; 88:4211-4216. [PMID: 35244235 DOI: 10.1111/bcp.15296] [Citation(s) in RCA: 3] [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: 11/06/2021] [Revised: 02/10/2022] [Accepted: 02/26/2022] [Indexed: 11/30/2022] Open
Abstract
Tranexamic acid (TXA) is widely utilized to control perioperative bleeding. TXA is considered a safe drug with few serious adverse effects, but many studies report TXA-associated seizures especially with cardiac surgeries. Usually, TXA-associated seizures persist for few minutes with no progression into status epilepticus. Here, we report, for the first time, a case of refractory status epilepticus after IV injection of TXA in a pediatric non-cardiac surgery. This case report and literature review aim to increase awareness about TXA-associated seizures and to provide mechanistic-based prevention and treatment recommendations. During adenotonsillectomy for a 4-year-old male child, TXA infusion started after induction of anesthesia for surgical bleeding prophylaxis. During recovery from anesthesia, the patient developed tonic-clonic convulsions which did not improve after two IV doses of midazolam but showed an improvement after a dose of propofol. The patients did not regain consciousness and was transferred to the ICU. He had recurrent treatment-resistant attacks of tonic-clonic convulsions. The patient developed acute kidney injury and died after 18 hours. In high-risk patients, using the lowest effective dose with early termination of TXA infusion and prolongation of administration of anesthetics may prevent seizures. General anesthetics (propofol and halogenated inhaled anesthetics) are considered the first line for prevention/treatment of TXA-associated seizures.
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Affiliation(s)
- Sawsan Aboul-Fotouh
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Z Habib
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sondos M Magdy
- Department of Pediatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Bahaa El-Din Ewees Hassan
- Department of Anesthesiology, Intensive Care and Pain Management, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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Ebeid MA, Habib MZ, Mohamed AM, Faramawy YE, Saad SST, El-Kharashi OA, El Magdoub HM, Abd-Alkhalek HA, Aboul-Fotouh S, Abdel-Tawab AM. Cognitive effects of the GSK-3 inhibitor "lithium" in LPS/chronic mild stress rat model of depression: Hippocampal and cortical neuroinflammation and tauopathy. Neurotoxicology 2021; 83:77-88. [PMID: 33417987 DOI: 10.1016/j.neuro.2020.12.016] [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] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 12/18/2020] [Accepted: 12/30/2020] [Indexed: 11/16/2022]
Abstract
Low-dose repeated lipopolysaccharide pre-challenge followed by chronic mild stress (LPS/CMS) protocol has been introduced as a rodent model of depression combining the roles of immune activation and chronic psychological stress. However, the impact of this paradigm on cognitive functioning has not been investigated hitherto. METHODS This study evaluated LPS/CMS-induced cognitive effects and the role of glycogen synthase kinase-3β (GSK-3β) activation with subsequent neuroinflammation and pathological tau deposition in the pathogenesis of these effects using lithium (Li) as a tool for GSK-3 inhibition. RESULTS LPS pre-challenge reduced CMS-induced neuroinflammation, depressive-like behavior and cognitive inflexibility. It also improved spatial learning but increased GSK-3β expression and exaggerated hyperphosphorylated tau accumulation in hippocampus and prefrontal cortex. Li ameliorated CMS and LPS/CMS-induced depressive and cognitive deficits, reduced GSK-3β over-expression and tau hyperphosphorylation, impeded neuroinflammation and enhanced neuronal survival. CONCLUSION This study draws attention to LPS/CMS-triggered cognitive changes and highlights how prior low-dose immune challenge could develop an adaptive capacity to buffer inflammatory damage and maintain the cognitive abilities necessary to withstand threats. This work also underscores the favorable effect of Li (as a GSK-3β inhibitor) in impeding exaggerated tauopathy and neuroinflammation, rescuing neuronal survival and preserving cognitive functions. Yet, further in-depth studies utilizing different low-dose LPS challenge schedules are needed to elucidate the complex interactions between immune activation and chronic stress exposure.
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Affiliation(s)
- Mai A Ebeid
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Mohamed Z Habib
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt.
| | - Ahmed M Mohamed
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Yasser El Faramawy
- Department of Geriatrics, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sherin S T Saad
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Omnyah A El-Kharashi
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Hekmat M El Magdoub
- Department of Biochemistry, Faculty of Pharmacy, Misr International University, Cairo, Egypt
| | - Hadwa A Abd-Alkhalek
- Department of Histology, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Sawsan Aboul-Fotouh
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Clinical Pharmacology Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Ahmed M Abdel-Tawab
- Department of Pharmacology, Faculty of Medicine, Ain Shams University, Cairo, Egypt; Clinical Pharmacology Unit, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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