قسم الطب الوقائي

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أ‌. علم سلوكيات ورعاية الحيوان:يهدف هذا المقرر إلى التعريف بأسس تربية ومعاملة الحيوانات ورعايتها مع تغطية كاملة لقواعد الرعاية الصحية والسلوكية المتعلقة بالفرد والقطيع.ب‌.علم الوراثة والأنسال:يهدف علم الوراثة والأنسال إلى التعريف بالقواعد الأساسية لعلم الوراثة وقوانينها للإستفادة منها في الرفع من الإنتاجية.ج‌. علم صحة وإدارة القطعان:يهدف هذا المقرر إلى التعريف بالبرامج المختلفة المتعلقة بصحة وإدارة القطعان الحيوانية.د‌. علم الوبائيات:يدرس الطالب في هذا المقرر العوامل المؤثرة على صحة القطعان الحيوانية ومسببات الأمراض وطرق انتشارها  وتركيب القطعان الحيوانية وأشكال حدوث الأمراض في القطعان الحيوانية وطرق التشخيص الوبائي إضافة إلى طرق قياس حدوث المرض في القطعان الحيوانية بهدف الوصول إلى فرضية تحديد مسببات المرض لكي يتم اختبار هذه الفرضية من خلال علم الوبائيات التحليلي والذي يتم من خلاله استخدام الدراسات التجريبية أو دراسات الملاحظة لتحديد العلاقة بين التعرض للمسبب المرضي وحدوث المرض، وفى هذا العلم يدرس الطالب المسوحات الوبائية والترصد الوبائي وعلم الوبائيات المصلي وهي المعلومات التي تستخدم من أجل التحكم في الوباء في حال حدوثه.هـ. علم الأمراض المشتركة:يدرس الطالب في هذا المقرر تصنيف الأمراض المشتركة وأهم أنواعها مع التركيز على وبائيتها وطرق مقاومتها على المستوى الوطني والعالمي مع التعريف بالمنظمات الدولية المختصة والأمراض الواجب التبليغ عنها حال اكتشافها محليا ودوليا.

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د. عبد السلام الشارف عبدالسلام محمود

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New insights into the pathogenesis of Beckwith-Wiedemann and Silver-Russell syndromes: contribution of small copy number variations to 11p15 imprinting defects

The imprinted 11p15 region is organized in two domains, each of them under the control of its own imprinting control region (ICR1 for the IGF2/H19 domain and ICR2 for the KCNQ1OT1/CDKN1C domain). Disruption of 11p15 imprinting results in two fetal growth disorders with opposite phenotypes: the Beckwith-Wiedemann (BWS) and the Silver-Russell (SRS) syndromes. Various 11p15 genetic and epigenetic defects have been demonstrated in BWS and SRS. Among them, isolated DNA methylation defects account for approximately 60% of patients. To investigate whether cryptic copy number variations (CNVs) involving only part of one of the two imprinted domains account for 11p15 isolated DNA methylation defects, we designed a single nucleotide polymorphism array covering the whole 11p15 imprinted region and genotyped 185 SRS or BWS cases with loss or gain of DNA methylation at either ICR1 or ICR2. We describe herein novel small gain and loss CNVs in six BWS or SRS patients, including maternally inherited cis-duplications involving only part of one of the two imprinted domains. We also show that ICR2 deletions do not account for BWS with ICR2 loss of methylation and that uniparental isodisomy involving only one of the two imprinted domains is not a mechanism for SRS or BWS. arabic 22 English 137
- Demars, J., S. Rossignol, I. Netchine, K. S. Lee, Mansur Ennuri Moftah Shmela, L. Faivre, J. Weill, S. Odent, S. Azzi, P. Callier, J. Lucas, C. Dubourg, J. Andrieux, Y. Le Bouc, A. El-Osta , C. Gicquel(10-2011)
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Blood profile in normal one humped dromedary (Camelus dromedarius) camel breeds in Libya. Part 2: Effect of breed variation on biochemical and haematological blood profile

Abstract As little is known about the blood profile of camels in libya, this article is the second of a 4-part series describing the biochemical and haematological blood profile in Libyan camels. In Part 1 of these manuscripts, the overall blood biochemical and haematological mean values of camels in Libya were determined, parts 2-4 evaluates the effects of breed, gender and age respectively on these values. Blood samples were collected from three camel breeds, namely, Fakhreya, Sirtaweya and Mahari, and the levels of enzymes, metabolites, electrolytes and haematological indices were measured. The blood of the Sirtaweya breed showed (i) higher levels of aspartate aminotransferase (AST), albumin and Phosphorus (Ph), than the other two breeds, (ii) higher levels of lactate dehydrogenase (LDH), amylase (AMS) and total proteins than the Fakhreya breed and (iii) higher levels of glucose, triglycerides, total cholesterol, Very Low Density Lipoprotein (VLDL), Low Density Lipoprotein (LDL), Calcium (Ca), Packed Cell volume (PCV), Mean Corpuscular Volume (MCV) and Albumin/Globulin (A/G) ratio than the Mahari breed. The Fakhreya breed had (i) higher levels of urea, Iron (Fe), Haemoglobin (Hb), Mean Corpuscular Haemoglobin (MCH) and neutrophils number than the other two breeds, (ii) higher levels of glucose, A/G, LDL, Ca, PCV, MCV and monocytes number than the Mahari breed and (iii) higher levels of erythrocyte osmotic fragility, MCH and Mean Corpuscular Hemoglobin Concentration (MCHC) than the Sirtaweya breed. The Mahari breed had (i) higher levels of globulin than the other two breeds, (ii) higher levels of AMS than the Fakhreya breed and (iii) higher levels of erythrocyte osmotic fragility, Erythrocyte Sedimentation Rate (ESR), MCHC than the Sirtaweya breed. The tested blood parameters in the three Libyan breeds in this study were affected by breed variations. arabic 28 English 143
Anwar Mustafa Abdalhadi Abdalmula, F. A. Alnagar, Amal Omar Elarif Buker, Fathia mahmoud Mohammad Ashour, I. M. Abograra , Mansur Ennuri Moftah Shmela(10-2018)
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Human diseases versus mouse models: insights into the regulation of genomic imprinting at the human 11p15/mouse distal chromosome 7 region

The 11p15 region is organised into two independent imprinted domains controlled by imprinting control regions, which carry opposite germline imprints. Dysregulation of 11p15 genomic imprinting results in two human fetal growth disorders (Silver-Russell syndrome (SRS, MIM 180860) and Beckwith-Wiedemann syndrome (BWS, MIM 130650)) with opposite growth phenotypes. The mouse orthologous region on distal chromosome 7 (dist7) is well conserved in its organisation and its regulation. Targeted mutagenesis in mice has provided highly valuable clues in terms of the mechanisms involved in the regulation of genomic imprinting of the 11p15/dist7 imprinted region. On the other hand, the recent identification of unexpected genetic defects in BWS and SRS patients also brought new insights into the mechanisms of 11p15 imprinting regulation. However, some mouse models and human genetic defects show contradictions in term of growth phenotypes and parental transmission. In this review, we extensively analyse those various mouse and human models and more particularly models with mutations affecting the two imprinting centres, in order to improve our understanding of regulation of 11p15/dist7 genomic imprinting. arabic 21 English 117
Mansur Ennuri Moftah Shmela, C. F. Gicquel(1-2013)
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