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Al-Orf SM 《Indian journal of clinical biochemistry : IJCB》2011,26(2):154-160
In this study it was planned to investigate the effect of oxidized phosphatidylcholine (derived from egg) feeding on lipid
peroxidation of different tissues in rats. Male Wistar albino rats were fed oxidized and unoxidized phosphatidylcholine for
2 and 4 weeks, respectively. During the period of study food intake and body weights of animals increased gradually. Animals
fed oxidized phosphatidylcholine for 2 and 4 weeks showed 33 and 15% spontaneous hemolysis of red blood cells in vitro. Under
identical experimental conditions animals given unoxidized phosphatidylcholine showed 14.5 and 13.4% hemolysis for 2 and 4
week’s period, respectively. Thiobarbituric acid reactive substances (TBARS) level in thymus, spleen, kidney, heart, liver
and lung significantly increased in rats given oxidized phosphatidylcholine as compared to unoxidized group. Furthermore,
in oxidized phosphatidylcholine group TBARS values in kidney, liver and lungs continued to rise for 4 weeks of treatment while
TBARS level in heart, spleen and thymus was found to be decreased at the end of 4 weeks of oxidized phosphatidylcholine feeding.
Plasma triacylglycerol and cholesterol was found to increase in rats who had received oxidized phosphatidylcholine for 2 weeks.
These findings suggest that excess and persistent intake of oxidized phosphatidylcholine can cause significant damage to organs. 相似文献
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Najwan Saada Zehavit Gross 《Discourse: Studies in the Cultural Politics of Education》2017,38(6):807-822
This article analyzes how concepts of liberal and progressive Islam, which have been developed in the political and theological academic literature, may inform the curriculum of Islamic education and the practice of religious educators in Islamic schools in the US. We investigate the meaning of in-faith Islamic education and how it can conform to the life in a democratic, multicultural, and multi-faith society. Liberal Islam challenges the transmission-oriented and rigid interpretations of Islam and seeks to appreciate and to contextualize the religious claims which are compatible with ideals of reflective education, rational thinking, mutual respect, and equal citizenship. It suggests that students become critical ‘consumers’ of Islam, its moral and civic purposes, and the cultural politics of religious interrogations. 相似文献
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Najwan Saada 《British Educational Research Journal》2023,49(1):5-18
This multiple case study examines the attitudes of 14 Islamic education teachers from Israel towards the meaning, causes and consequences of religious extremism among students in their Arab and Muslim-majority middle and high schools. These teachers define religious extremism as belief in absolute religious truth, inflexibility in religious interpretation, or strict adherence to Islamic teachings. In addition, the teachers distinguish the personal (adolescence, family problems and psychosocial needs), religious (unquestioned following of extremist imams or religion scholars; adopting of selective, literal and decontextualised readings of the religious text; influence of partisan teachers) and socio-political factors (students' feelings of fear and anger towards Israel and its unjust and oppressive role in the Palestinian–Israeli conflict) that push students towards religious extremism. Religious extremism, the teachers conclude, may lead to hatred or violence against followers of other religions, antagonism between Muslims and Jews in Israel, increased Islamophobia in Western societies, the rejection of Islam, the oppression of female students and reduced student achievement and diminished future prospects. 相似文献
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Shedid SM Saada HN Eltahawy NA Hammad AS 《Indian journal of clinical biochemistry : IJCB》2018,33(3):314-321
Radiation induced brain damage is associated with impairment of mitochondrial functions, variations in the level of neurotransmitters, and oxidative stress. Mitochondrial function is closely linked to the level of neurotransmitters since the precursors are supplied by the Kreb’s cycle intermediates. The objective of this study was to evaluate the influence of pantothenic acid, an essential component in the synthesis of Coenzyme A (CoA), on the activity of the Krebs cycle enzymes, isocitrate dehydrogenase (IDH), α-ketoglutarate dehydrogenase (α-KGDH), and succinate dehydrogenase (SDH); the level of aspartic, glutamic and GABA; the activity of transaminases, and oxidative stress, in the cerebrum of γ-irradiated rats. Pantothenic acid (26 mg/Kg) was orally administered to the rats, 2 h after irradiation and during the following 5 days. Animals were sacrificed the 7th day post-irradiation. The exposure of male albino rats to γ-rays (5 Gy) has triggered oxidative stress notified by a significant elevation in the level of malondialdehyde (MDA), an end product of lipid peroxidation, associated to a significant decrease in the content of phospholipids, and the antioxidant compound glutathione (GSH). The activity of IDH, α-KGDH, and SDH, has significantly decreased, while the level of aspartic, glutamic and GABA has significantly increased. In parallel to these changes, the activity of alanine and aspartate transaminase has significantly increased, compared to their values in the control rats. Pantothenic acid treatment, has significantly attenuated oxidative stress; enhanced the activity of IDH, α-KGDH, and SDH; minimized the increase in the level of amino acids and the activity of transaminases, compared to their values in the cerebrum of irradiated rats. In conclusion, pantothenic acid could improve the level of neurotransmitters amino acids, which depends on the enzymatic activities of Krebs cycle and linked to oxidative stress. 相似文献
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N. A. Eltahawy H. N. Saada A. S. Hammad 《Indian journal of clinical biochemistry : IJCB》2017,32(2):207-213
The aim of the current study was to evaluate the role of γ-amino butyric acid (GABA) in insulin disturbance and hyperglycemia associated with brain oxidative damage in streptozotocin-treated rats. Streptozotocin (STZ) was administered to male albino rats as a single intraperitoneal dose (60 mg/kg body weight). GABA (200 mg/Kg body weight/day) was administered daily via gavages during 3 weeks to STZ-treated-rats. Male albino rats Sprague–Dawley (10 ± 2 weeks old; 120 ± 10 g body weight) were divided into 4 groups of 6 rats and treated in parallel. (1) Control group: received distilled water, (2) GABA group: received GABA, (3) STZ group: STZ-treated rats received distilled water, (4) STZ + GABA group: STZ-treated rats received GABA. Rats were sacrificed after a fasting period of 12 h next last dose of GABA. The results obtained showed that STZ-treatment produced hyperglycemia and insulin deficiency (similar to type1 Diabetes). These changes were associated with oxidative damage in brain tissue and notified by significant decreases of superoxide dismutase and catalase activities in parallel to significant increases of malondialdehyde and advanced oxidation protein products levels. The histopathology reports also revealed that STZ-treatment produced degeneration of pancreatic cells. The administration of GABA to STZ-treated rats preserved pancreatic tissue with improved insulin secretion, improved glucose level and minimized oxidative stress in brain tissues. It could be concluded that GABA might protect the brain from oxidative stress and preserve pancreas tissues with adjusting glucose and insulin levels in Diabetic rats and might decrease the risk of neurodegenerative disease in diabetes. 相似文献
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