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S., A., A. N. M., and S. S., "P 300 and Neuropsychological Assessment in a Sample of Non Alcoholic Egyptian Drug Abusers", Current Psychiatry, vol. 2, issue 6, pp. 195-203, 1999.
S., G. E., K. N. A. A.A. Adbel-Hafiz, and A. A. Shahie, "d. Effect of nitrogen and some micronutrient on wheat.", Assiut J. of Agric. Sci., vol. 25, no. 5, pp. 255–268, 1989. Abstract
S., A. - B., N. Hamdy, A. F. I. El-Kholy, M. A. M. Ibrahim, R. R. Sadek, and A. A. Nigm, "Genetic parameters for some milk production traits of Holstein cows in a commercial herd in Egypt.", 13th Conference of the Egyptian Society of Animal production,Cairo, Egypt,: Egyptian Society of Animal Production, pp. 15–20, 2006. Abstract
S., A., "Psychiatric and Emotional Disorders in a Sample of Egyptian Orphanage Resident Children", Egyptian Journal of Psychiatry, vol. 1, issue 23, pp. 113-123, 2000.
S., A., R. M., E. R. L., and E. H., "Obsessive Compulsive Symptoms in Schizophrenia: A Neuro-Psychological Study", Current Psychiatry, vol. 9, pp. 254-267, 2002.
S., S., A. E. - H. A.A, and I. A. H. Yousif, "The Use of GIS for Detection and Identification of Occurrence of Petrocalcic and Petrogypsic Horizons in the Cultivated Lands of Maryout Region, Egypt", Journal of Agriculture Sciences, Mansoura University, Egypt, vol. 34, issue 5, pp. 5837 - 5852., 2009.
S., A. - B., U. M. El-Saied, and M. A. M. Ibrahim, "Genetic and phenotypic parameters for milk yield, days open and number of services per conception of Holstein cows of commercial herd in Egypt.", Egyptian Journal of Animal Production, vol. 37, no. 1: Egyptian Society of Animal Production, pp. 9–17, 2000. Abstract
S., S., E. E., E. -sayed K., and O. H., "Copy-Move Forgeries Detection and Localization Using Two Levels of Keypoints Extraction", Computer and Communications, vol. 7, issue 9, pp. 1-18, 2019.
S., A., and N. M., "Titration of Succinyl Choline Induced Neuromuscular Blockade During Electroconvulsive Therapy", The Egyptian Journal of Anaesthesia, vol. 1, issue 14, pp. 249-258, 1998.
S., H., E. A. S., and F. H., "Evaluation of Apoptosis versus Proliferation in Various Clinical Forms of Oral Lichen Planus.", EDJ, vol. 60, issue 3, pp. 3115-3123, 2014.
S., G., E. - K. M., A. M.S., and A. A. Shamaa, "Equine limbs Fractures: The Incidence and Management . ", Minufiya Veterinary Journal Vol. 8 (1): 247-261, 2014.
S., W., M. Samra, and M. O. H. A. M. E. D. FAWZY, "Presence of simian virus 40 DNA sequences in egyptian patients with lymphoproliferative disorders.", International journal of health sciences, vol. 1, issue 1, pp. 11-6, 2007 Jan. Abstract

BACKGROUND: Although no definite risk factors have emerged for the different hematological malignancies, a viral cause has been postulated. Several studies have detected SV40 DNA sequences in tumor tissues obtained from non-Hodgkin's lymphoma patients. A link between SV40 and NHL is biologically plausible because SV40 causes hematological malignancies in laboratory rodents.

METHODS: We investigated 266 Egyptian cases of different hematological malignancies, for the presence of SV40 DNA using multiplex nested PCR technique. These cases consisted of 158 non-Hodgkin's lymphoma (NHL), 54 Hodgkin's disease(HD), 26 acute lymphocytic leukemia (ALL), 13 acute myeloid leukemia (AML), 8 chronic lymphoblastic leukemia (CLL), 7 chronic myeloid leukemia (CML), in addition to 34 subjects of control group.

RESULTS: Our results have shown that SV40 DNA sequences were found in 53.8% of non-Hodgkin lymphoma patients, 29.6% of Hodgkin's disease patients, and 40.7% of different types of leukemia cases. Frequency of SV40 DNA sequences was higher in NHL patients compared to the other tumor cases. Also, frequency of SV40 DNA sequences was significantly higher (p<0.05) in NHL patients than in the control group. Regarding the different histological types of non-Hodgkin's lymphoma, SV40 DNA sequences were detected frequently in diffuse large B-cell lymphoma and in follicular lymphoma.

CONCLUSIONS: The present study suggests that SV40 DNA virus is significantly associated with non-Hodgkin's lymphoma and might have a role in the development of these hematological malignancies. Polyomavirus SV40 may act as a cofactor in the pathogenesis of these tumors and this could lead to new diagnostic, therapeutic, and preventive approaches.

S., F. R., A. Z. M. Badel, and G. S. El-Baroty, " Influence of thyme and clove essential oils on cotton seed oil oxidation,", Am. Oil. Chem. Soc.,, vol. 66, pp. 800 - 803, 1989.
S., A., and A. - W. M., "Role of the Spouse in Addiction. Is There a Contribution", Egyptian Journal of Psychiatry, vol. 1, issue 23, pp. 95-102, 2004. Abstract


S., A. S., H. E. Zaazaa, M. R.El-Ghobashy, Y. M. Fayez, and S. A. Fattah, ""Application of membrane-selective electrode for the determination of naftidrofuryl oxalate in the presence of its alkaline degradant in tablets and plasma", Portugaliae Electrochimica Acta, vol. 30, issue 3, pp. 177-188, 2012.
S., K. A. M. E. L., A. B. D. E. L. - H. A. M. I. D. M.I., E. L. - H. I. N. D. I. H.M.A., and A. B. D. E. L. - A. Z. I. Z. S.A., "ROLE OF ANTIOXIDANT ON FRUCTOSE-INDUCED HYPERGLYCAEMIA", International Journal of Genomics and Proteomics, vol. 5, issue 1, 2014, pp. 89-94., 2014.
S., A., and W. W., "The efficacy of aloe vera in management of oral lichen planus: a systematic review and meta-analysis", Oral Diseases, vol. 23, issue 7, pp. 913-918, 2017.
S., A. - B. A., S. T., F. H., and Z. E., "Trichodina Fahaka (Ciliophora: Peritrichia) in Tetradon fahaka from Nile River, Egypt: Seasonality and Histopathology", Scientific Research and Essays, vol. 6, issue 7, pp. 1583-1587, 2011. AbstractCU-PDF.pdf

Specimens of Trichodina fahaka parasitizing Tetradon fahaka, collected from the Nile River, were described. Taxonomic and morphometric data for this trichodinid based on wet silver nitrate impregnated specimens were presented. The infection was severe and prevailed almost throughout the year. The overall prevalence was 45% with maximum rate during winter and minimum rate during summer.

S., H. M., H. A. Ashour, and S. F.M, "Effect of some bio-stimulants and micronutrients on growth, yield and essential oil production of Majorana hortensis plants", International Journal of Environment, vol. 7, issue 1, pp. 37-52, 2018.
S., R. A., R. R. T., and N. A. S., "The Gross Anatomy of the syrinx of the turkey", nternational Journal of Advanced Research in Biological Sciences, vol. 3, issue 6, pp. 82-85, 2016.
S., G. E., K. N. A. A.A. Adbel-Hafiz, and A. A. Shahie, "d. Effect of nitrogen and some micronutrient on wheat.", Assiut J. of Agric. Sci., vol. 25, no. 5, pp. 255–268, 1989. Abstract