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Protective effects of Balanites aegyptiaca extract, melatonin and ursodeoxycholic acid against hepatotoxicity induced by methotrexate in male rats

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Asian Pacific Journal of Tropical Medicine 2017年第6期10卷 627-634页

作者： Ayat OS Montasser Hanan Saleh Omar A.Ahmed-Farid aida saad Mohamed-Assem S.Marie National Organization for Drug Control And Research Faculty of Science Department of Zoology Cairo University

Objective: To compare the degree of ameliorative effects of Melatonin(MEL), Ursodeoxycholic acid(UDCA) and Balanites aegyptiaca(BA) against hepatotoxicity induced by MTX for one month. Methods: Eighty adult male rats(Sprague Dawely) weighing(190±10g), were randomly divided into eight equal groups: Control, MTX, MEL, BA, UDCA, MTX+MEL, MTX+BA, MTX+UDCA. Liver function biomarker enzymes, liver tissue oxidative stress parameters, together with total antioxidant capacity and tumor necrosis factor(TNF-α) were determined. Histopathological and immunohistochemistry examinations for TNF-α were also done. Results: MTX showed significant increase in alanine transaminase(ALT), aspartate transaminase(AST), alkaline phosphatase(ALP), gamma glutamyl transferase(GGT), total and direct bilirubin, as well as TNF-α levels, oxidized glutathione(GSSG), malodialdehyde(MDA) and nitric oxide(NO). whereas, total protein, albumin, total antioxidant capacity, reduced glutathione(GSH), glutathione peroxidase(GPx), glutathione reductase(GR), glutathione S-transferase(GST), superoxide dismutase(SOD) and catalase(CAT) levels were significantly decreased in MTX treated group. These alterations were improved by MEL and BA treatment, whereas no improvement was noticed in UDCA treatment. Conclusions: BA may be as promising as MEL in the hepatoprotection against MTX toxicity through their antioxidant and radical scavenging activities. In addition, it is not recommended to co-administer UDCA with MTX as it enhanced inflammation and damage to the liver.

关键词： Methotrexate Hepatotoxicity Melatonin Balanites aegyptiaca Ursodeoxycholic acid

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Genetic investigation of the ubiquitin-protein ligase E3A gene as putative target in Angelman syndrome

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World Journal of Clinical Cases 2024年第3期12卷 503-516页

作者： Wiem Manoubi Marwa Mahdouani Dorra Hmida Ameni Kdissa aida Rouissi Ilhem Turki Neji Gueddiche Najla Soyah Ali saad Christian Bouwkamp Ype Elgersma Soumaya Mougou-Zerelli Moez Gribaa Laboratory of Human Cytogenetics Molecular Genetics and Reproductive BiologyFarhat Hached University HospitalSousse 4000Tunisia Higher Institute of Biotechnology of Monastir University of MonastirMonastir 3000Tunisia Department of Neuropediatry La Rabta HospitalTunis 2000Tunisia Department of Pediatric Farhat Hached University HospitalSousse 4000Tunisia Department of Neuroscience Erasmus MCthe NetherlandsRotterdam 3112 tdNetherlands

BACKGROUND Angelman syndrome(AS)is caused by maternal chromosomal deletions,imprinting defects,paternal uniparental disomy involving chromosome 15 and the ubiquitin-protein ligase UBE3A gene *** the genetic basis remains unclear for several *** To investigate the involvement of UBE3A gene in AS and identifying new potential genes using exome *** We established a cohort study in 50 patients referred to Farhat Hached University Hospital between 2006 and 2021,with a strong suspicion of AS and absence of chromosomal *** UBE3A gene was screened for mutation *** unrelated patients issued from consanguineous families were subjected to exome *** We describe seven UBE3A variants among them 3 none previously described including intronic variants c.2220+14T>C(intron14),c.2507+43T>A(Exon15)and insertion in Exon7:c.30-47_*** exome sequencing revealed 22 potential genes that could be involved in AS-like syndromes that should be investigated *** Screening for UBE3A mutations in AS patients has been proven to be useful to confirm the *** exome findings could rise to new potential alternative target genes for genetic counseling.

关键词： Angelman syndrome Ubiquitin-protein ligase E3A Exome Consanguinity Polymorphism

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Relationships between clozapine and norclozapine plasma concentrations, clozapine dose, and clinical response in Tunisian patients with schizophrenia-treatment resistance

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Open Journal of Psychiatry 2012年第4期2卷 262-268页

作者： aida Taieb Fatma B’chir Roland Molinié José-Edmundo Nava-Saucedo Jaafer Nakhli Marc-André Fliniaux Bechir Ben Hadj Ali saad Saguem Laboratory of Natural Substances National Institute of Research and Physical Chemical Analysis Technopole Sidi Thabet Metabolic Biophysics and Applied Pharmacology Laboratory Department of Biophysics Medicine Faculty of Sousse Sousse Tunisia Psychiatry Department of Central Hospital University (CHU) Sousse Tunisia Unit of Plant Biology and Insect Pests University of Picardy Jules Verne Amiens France

The present study investigated relationships between clozapine dose, clozapine and norclozapine plasma concentrations, and clinical responses to clozapine treatment in Tunisian schizophrenics. Fourteen schizophrenia-treatment resistant patients, recruited for this study, were treated with clozapine for 45 days. Patient health improvement was assessed before and after each cycle of two weeks of clozapine therapy, using the Brief Psychiatric Rating Scale (BPRS). Plasma clozapine and norclozapine concentrations were determined by high-performance liquid chromatography (HPLC). No significant correlations between plasma clozapine and norclozapine concentrations and clinical health improvement among our schizophrenic patients were found. However, a significant correlation was observed between clinical health improvement given by BPRS scores and norclozapine plasma concentration to daily clozapine dose ratio (NCZ/D). Despite the small sample size of our study, our findings suggest that the clozapine therapy response variations observed in our patients may be, in part, explained by the interindividual differences in plasma norclozapine concentration to clozapine dose ratio (NCZ/D). So the NCZ/D parameter could be used as a good indicator for adjusting the clozapine dose-adaptation strategy and consequently for improving the clinical psychopathological state of schizophrenia-treatment resistant patients.

关键词： Clozapine Norclozapine HPLC Tunisian Schizophrenic BPRS

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Relationships between clozapine and norclozapine plasma concentrations, clozapine dose,and clinical response in Tunisian patients with schizophrenia-treatment resistance

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Open Journal of Psychiatry（精神病学期刊） 2012年第4期

作者： aida Taieb Fatma B'chir Roland Molinié José-Edmundo Nava-Saucedo Jaafer Nakhli Marc-André Fliniaux Bechir Ben Hadj Ali saad Saguem

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