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    Publisher: Asian Network for Scientific Information
   
  Pakistan Journal of Biological Sciences (PJBS) is an international, peer-reviewed and well indexed scientific journal seeks to promote and disseminate the knowledge of biological sciences by publishing outstanding research in the field. Scope of the journal includes: Cell biology, developmental biology, structural biology, microbiology, entomology, toxicology, molecular biology & genetics, biochemistry, biotechnology, biodiversity, ecology, marine biology, plant biology and bioinformatics.

Submit your best paper to PJBS via online submission system.
  Editor-in-Chief:  Hakan UlUKAN
 
 
Palme, R., S.M. El-Bahr and E. Mostl, 2002. Non-invasive monitoring of stress hormones by measuring their faecal metabolites. Proceeding of the 4th World Congress on Stress, Sep.12-15, 2002. Edinburgh, UK. -.
Abdelwahab, A.M. and S.M. El-Bahr, 2012. Influence of black cumin seeds (Nigella sativa) and turmeric (Curcuma longa Linn.) mixture on performance and serum biochemistry of Asian Sea Bass, Lates calcarifer. World J. Fish Mar. Sci., 4: 496-503.
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Abo-Ghanema, I.I., Y. EL-Seady, S. Abo-Elouon and S.M. El-Bahr, 2007. Effect of dietary supplementation of L-carnitine and ascorbic acid on live body weight and some biochemical and hematological parameters of broiler chicks. Proceeding of the 5th Scientific conference of society of physiological Sciences and their applications, 25-28 July, 2007, Ras El-Bar, pp: 21-35.
Al-Busadah, K.A., S.M. El-Bahr and A.I. Khalafalla, 2017. Serum biochemical profile and molecular detection of pathogens in semen of infertile male dromedary camels (Camelus dromedaries). Anim. Reprod. Sci., 180: 58-65.
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Al-Nazawi, M.H. and S.M. El-Bahr, 2012. Hypolipidemic and hypocholestrolemic effect of medicinal plant combination in the diet of rats: Black cumin seed (Nigella sativa) and turmeric (Curcumin). J. Anim. Vet. Adv., 11: 2013-2019.
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Al-Sultan, S.I. and S.M. El-Bahr, 2012. Effect of High Zinc Dose on Haematological, Lipids and Protein Patterns in Dromedary Camel. J. Camel Pract. Res., 19: 207-212.
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Al-Sultan, S.I. and S.M. El-Bahr, 2014. Effect of oral l-carnitine administration on haemato-biochemical parameters of camels (Camelus dromedaries). J. Camel Pract. Res., 21: 51-55.
Al-Sultan, S.I. and S.M. El-Bahr, 2014. Effect of urea on hematological and selected biochemical parameters of growing somali lambs. J. Anim. Res., 4: 65-73.
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Al-Sultan, S.I. and S.M. El-Bahr, 2015. Effect of aqueous extract of fenugreek (Trigonella foenum-graecum L.) on selected biochemical and oxidative stress biomarkers in rats intoxicated with carbon tetrachloride. Int. J. Pharmacol., 11: 43-49.
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Al-Zghoul, M.B., A.E.S. Dalab, I.E. Yahya, T.A. Althnaian and S.Y. Al-Ramadan et al., 2015. Thermal manipulation during broiler chicken embryogenesis: Effect on mRNA expressions of Hsp108, Hsp70, Hsp47 and Hsf-3 during subsequent post-hatch thermal challenge. Res. Vet. Sci., 103: 211-217.
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Al-Zghoul, M.B., S.M. El-Bahr, R.K. Al-Rukibat, A.E.S. Dalab, T.A. Althnaian and S.Y. Al-Ramadan, 2015. Biochemical and molecular investigation of thermal manipulation protocols during broiler embryogenesis and subsequent thermal challenge. BMC Vet. Res., Vol. 11. 10.1186/s12917-015-0609-0.
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Albokhadaim, I., T. Althnaian and S.M. El-Bahr, 2012. Investigation of selected biochemical parameters of local chickens with different age and sex in Al-Ahsa, Saudi Arabia. Pak. J. Biol. Sci., 15: 827-832.
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Albokhadaim, I.F., I.B. Ismail, S.M. El-Bahr and T. Althnaian, 2010. The effect of manipulations of incubation temperature on embryonic and post-hatching growth of native Saudi chickens. Pak. J. Biol. Sci., 13: 852-856.
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Althnaian, T A., K.M. Alkhodair, I.F. Albokhadaim, A.M. Ali, A.M. Homeida and S.M. El-Bahr, 2013. Histological and histochemical investigation on duodenum of dromedary camels (Camelus dromedaries). Sci. Int., 1: 217-221.
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Althnaian, T., I. Albokhadaim and S.M. El-Bahr, 2016. Effect of aflatoxin B-1 on histopathology and oxidative stress biomarkers in testis of rats with special references to gene expression of antioxidant enzymes. Int. J. Pharmacol., 12: 408-414.
Althnaian, T., I., Albokhadaim and S.M. El-Bahr, 2013. Biochemical and histopathological study in rats intoxicated with carbontetrachloride and treated with camel milk. Springer Plus, Vol. 2. 10.1186/2193-1801-2-57.
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Barakat, S.E.M., F.A. AL Hizab and S.M. El-Bahr, 2013. Clinicopathological and Serobiochemical Investigation of Naturally Occurring Cutaneous Papillomatosis in Dromedary Camels (Camelus dromedarius). Sci. Int., 1: 212-216.
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EI-Bahr, S.M. and A.A. AI-Azraqi, 2013. Effect of canola and olive oils on productive, immunological and some biochemical parameters of broiler chickens fed lso caloric and high caloric diets. Int. J. Poult. Sci., 12: 726-734.
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El Hassan, E.M. and S.M. El-Bahr, 2012. Antigenic and Immunogenic Components of Haemonchus Longistipes Identified by Western Immunobloting. Am. J. Biochem. Biotechnol., 8: 164-170.
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El-Ashmawy, I.M., S.M. El-Bahr, T.T. Saad, I.I., Aboghanema and O.M. salama, 2008. Effect of copper (I) nicotinate complex on the immune response and some biochemical parameters of Mugil cephalus fish vaccinated with Yersinia ruckeri bactrin. J. Arab. Aquacult. Soc., 2: 105-130.
El-Ashmawy, I.M., T.T. Saad, S.M. El-Bahr and O.M. Salama, 2007. Assessment of immune response of big head carp fed on copper (1) nicotinate and vaccinated with Yersinia Ruckeri bactrin. Vet. Med. J. Giza, 55: 507-522.
El-Bahr, S.M. and A. Abdelghany, 2015. Heavy metal and trace element contents in edible muscle of three commercial fish species and assessment of possible risks associated with their human consumption in Saudi Arabia. J. Adv. Vet. Anim. Res., 2: 271-278.
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El-Bahr, S.M. and A.A. Al-Azraqi, 2014. Effects of dietary supplementation of turmeric (Curcuma longa) and black cumin seed (Nigella sativa) in streptozotocin induced diabetic rats. Int. J. Biochem. Res. Rev., 4: 481-492.
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El-Bahr, S.M. and I.F. Albokhadaim, 2015. The in vitro metabolic changes of glucocorticoids added to the faeces of ruminants. Int. J. Biol. Chem., 9: 30-37.
El-Bahr, S.M. and I.M. El-Sabagh, 2014. Hepatic gene expression of insulin like growth factor and selected antioxidants in diabetic rats treated with turmeric or black cumin. Br. Biotechnol. J., 4: 778-793.
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El-Bahr, S.M. and T.T. Saad, 2008. Effect of black cumin seeds (Nigella sativa) and/or Turmeric (Curcumin) on hematological, biochemical and immunological parameters of Mugil cephalus fish vaccinated with Aeromonus hydrophila bacterin. Proceedings of the 13th Scientific Congress, November 25-28, 2008, Faculty of Veterinary Medicine, Assuit University, pp: 365-388.
El-Bahr, S.M. and W.M. EL-Deeb, 2013. Acute phase proteins, lipid profile and proinflammatory cytokines in healthy and bronchopneumonic water buffalo calves. Am. J. Biochem. Biotechnol., 9: 34-40.
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El-Bahr, S.M. and W.M. El-Deeb, 2016. Trypanosoma evansi in naturally infected dromedary camels: Lipid profile, oxidative stress parameters, acute phase proteins and proinflammatory cytokines. Parasitology, 143: 518-522.
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El-Bahr, S.M. and W.M. El-Deeb, 2016. Acute-phase proteins, oxidative stress biomarkers, proinflammatory cytokines and cardiac troponin in Arabian mares affected with pyometra. Theriogenology, 86: 1132-1136.
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El-Bahr, S.M., 2006. The in vitro metabolic changes in the corticosteroidal hormones in faeces of ruminants. Minufiya Vet. J., 4: 347-356.
El-Bahr, S.M., 2007. Effect of black cumin seeds (Nigella sativa) on the profile of serum lipids, lipoproteins and fatty acids in pekin ducklings. Int. J. Applied Chem., 3: 221-230.
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El-Bahr, S.M., 2013. Biochemistry of free radicals and oxidative stress. Sci. Int., 1: 111-117.
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El-Bahr, S.M., 2013. Curcumin regulates gene expression of insulin like growth factor, B-cell CLL/lymphoma 2 and antioxidant enzymes in streptozotocin induced diabetic rats. BMC Complement. Altern. Med., Vol. 13. 10.1186/1472-6882-13-368.
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El-Bahr, S.M., 2014. Camel milk regulates gene expression and activities of hepatic antioxidant enzymes in rats intoxicated with carbon tetrachloride. Asian J. Biochem., 9: 30-40.
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El-Bahr, S.M., 2015. Effect of curcumin on hepatic antioxidant enzymes activities and gene expressions in rats intoxicated with aflatoxin B1. Phytother. Res., 29: 134-140.
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El-Bahr, S.M., E. Mostl and R. Palme, 2003. Glucocorticoid metabolites inhibit the metabolism of androstenedione in red blood cells of ruminants. J. Vet. Med., 50: 98-102.
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El-Bahr, S.M., H. Kahlbacher, W.D. Rausch and R.G. Palme, 2005. Excretion of catecholamines (adrenaline and noradrenaline) in domestic livestock. Wien. Tierarztl. Ms.chr., 92: 207-213.
El-Bahr, S.M., I.M. Ghoneim and M.M. Waheed, 2015. Biochemical and hormonal analysis of follicular fluid and serum of female dromedary camels (Camelus dromedaries) with different sized ovarian follicles. Anim. Reprod. Sci., 159: 98-103.
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El-Bahr, S.M., M.A. Embaby, A.A. Al-Azraqi, A.M. Abdelghany, Y.A. Hussein, F.A. Al Hizab and T.A. Althnaian, 2015. Effect of curcumin on aflatoxin B1-induced toxicity in rats: A biochemical and histopathological study. Int. J. Biochem. Res. 5: 63-72.
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El-Bahr, S.M., M.A. Korshom, A.E.A. Mandour, A.A. El-Bessomy and M.A. Lebdah, 2007. The protective effect of Turmeric on iron overload in albino rats. Egypt. J. Biochem. Mol. Biol., 25: 94-113.
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El-Bahr, S.M., N.M. Taha, M.A. Korshom, A.A. Mandour and M.A. Lebdah, 2014. Influence of combined administration of turmeric and black seed on selected biochemical parameters of diabetic rats. Alexandria J. Vet. Sci., 41: 19-27.
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El-Bahr, S.M., W.M. El-Deeb and A.S. Hashem, 2017. Biochemical and molecular investigation of antioxidant enzymes in liver tissue of rats intoxicated with carbon tetrachloride and treated with aqueous extract of fenugreek (Trigonella foenum-graecum L.). Am. J. Biochem. Mol. Biol., 7: 79-85.
El-Bahr, SM., H. Kahlbacher, M. Patzl and R.G. Palme, 2006. Clearance and binding systems of radiolabelled adrenaline and noradrenaline in sheep blood. Vet. Res. Commun., 30: 423-432.
El-Deeb, W.M. and S.M. El-Bahr, 2010. Investigation of selected biochemical indicators of Equine Rhabdomyolysis in Arabian horses: Pro-inflammatory cytokines and oxidative stress markers. Veterinary Res. Commun., 34: 677-689.
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El-Deeb, W.M. and S.M. El-Bahr, 2014. Acute-phase proteins and oxidative stress biomarkers in water buffalo calves subjected to transportation stress. Comp. Clin. Pathol., 23: 577-582.
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El-Deeb, W.M. and S.M. El-Bahr, 2014. Selected biochemical indicators of equine rhabdomyolysis in arabian horses: Acute phase proteins and trace elements. J. Equine Vet. Sci., 34: 484-488.
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El-Deeb, W.M. and S.M. El-Bahr, 2017. Biochemical markers of ketosis in dairy cows at post-paturient period: Oxidative stress biomarkers and lipid profile. Am. J. Biochem. Mol. Biol., 7: 86-90.
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El-Deeb, W.M., T.A. Fouda and S.M. El-Bahr, 2014. Clinico-biochemical investigation of paratuberculosis of dromedary camels in Saudi Arabia: Proinflammatory cytokines, acute phase proteins and oxidative stress biomarkers. Pak. Vet. J., 34: 484-488.
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El-Sayed, Y.S., T.T. Saad and S.M. El-Bahr, 2007. Acute intoxication of deltamethrin in monosex Nile tilapia, Oreochromis niloticus with special reference to the clinical, biochemical and haematological effects. Environ. Toxicol. Pharmacol., 24: 212-217.
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Eljalii, I.M., W.M. El-Deeb, T.A. Fouda, A.M. Almujalli and S.M. El-Bahr, 2015. Blood picture and selected oxidative stress biomarkers in dromedary camels naturally infected with trypanosoma evansi. Int. J. Vet. Sci. Res., 1: 46-53.
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Eljarah, A., A.K. Alhaider, K. Jawasreh, Z.B. Ismail, A. Alhalah and S.M. El-Bahr, 2017. Investigation of scrotal circumference, testicular dimensions and semen characteristics of the vulnerable Arabian oryx Oryx leucoryx): An approach supports the future use of artificial insemination. Italian J. Anim. Sci., (In Press). 10.1080/1828051X.2017.1290508.
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Elmahdi, B. and S.M. El-Bahr, 2015. Influence of dietary supplementation of Fenugreek (Trigonella foenum-graecum L.) on serum biochemical parameters of rats fed high cholesterol diet. Int. J. Biol. Chem., 9: 1-10.
Elmahdi, B., M. Hassan and S.M. El-Bahr, 2016. Effect of prednisolone on thyroid and gonadotrophic hormones secretion in male domestic rabbits. Thyroid Res. Pract., 13: 136-139.
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Elmahdi, B., M.A. Al-Omair, A.A. El-Bessoumy and S.M. El-Bahr, 2016. Therapeutic and biochemical effects of garlic (Allium sativum) on acrylamide toxicity in rabbits: Glycolytic pathway. Int. J. Pharmacol., 12: 429-434.
Gad, S.B., D.M. Zaghloul, A.E.H.A. Fayed and S. El-Bahr, 2009. Effect of Increasing brain activity by vincamine on some hematological, biochemical, immunological and histological profiles of rats. Egypt. J. Basic Appl. Physiol., 8: 40-50.
Ghoneim, I.M., M.M. Waheed, M.M. Al-Eknah and S.M. El-Bahr, 2012. Immunization Against GnRH in the Male Camel (Camelus dromedarius): Effects on Sexual Behavior, Testicular Volume, Semen Characteristics and Serum Testosterone Concentrations. Theriogenol., 78: 1102-1109.
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Ghoneim, I.M., M.M. Waheed, S.M. El-Bahr, A.K. Alhaider and M.M. Al-Eknah, 2013. Comparison of Some Biochemical and Hormonal Constituents of Oversized Follicles and Preovulatory Follicles in Camels (Camelus dromedarius). Theriogenology, 79: 647-652.
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Ismail, I.B., K. Al-Bosaadah and S.M. El-Bahr, 2013. Effect of dietary supplementation of canola oil on egg production, quality and biochemistry of egg yolk and plasma of laying hen. Int. J. Biol. Chem., 7: 27-30.
Ismail, I.B., K.A. Al-Busadah and S.M. El-Bahr, 2013. Oxidative stress biomarkers and biochemical profile in broilers chicken fed zinc bacitracin and ascorbic acid under hot climate. Am. J. Biochem. Mol. Biol., 3: 202-214.
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Ismail, I.B., K.A. Al-Busadah and S.M. El-Bahr, 2015. Biochemical markers of oxidative stress in tissues of broiler chickens fed zinc bacitracin and ascorbic acid under hot climate. Int. J. Biol. Chem., 9: 38-45.
Lexen, E., S.M. EL-Bahr, I. Sommerfeld-stur, R. Palme and E. Mِostl, 2008. Monitoring adrenocortical response to disturbances in sheep by measuring glucocorticoid metabolites in the faeces. Vet. Med. Austria/Wien. Tierarztl. Mschr., 95: 64-71.
Maher, H.M., R.M. Youssef, R.H. Khalil and S.M. El-Bahr, 2008. Simultaneous multiresidue determination of metronidazole and spiramycine in fish muscle using high performance liquid chromatography with UV detection J. Chromatogr. B, 876: 175-181.
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Palme, R., S. Rettenbacher, C. Touma, S.M. El-Bahr and E. Mostl, 2005. Stress hormones in mammals and birds: Comparative aspects regarding metabolism, excretion and noninvasive measurement in fecal samples. Trends Comparative Endocrinol. Neurobiol. Ann. N. Y. Acad. Sci., 1040: 162-171.
Salama, A.F. and S.M. El-Bahr, 2007. Effect of curcumin on cadmium-induced oxidative testicular damage in rats. J. Med. Res. Inst., 28: 130-136.
Taha, N., M. Korshom, A. Mandour, S.M. El-Bahr and S. El-Sirafy, 2007. Biochemical studies in Japanese quails fed ration containing Zinc and/or Nigella sativa. Alex. J. Vet. Med., 25: 39-46.
Taha, N., M. Korshom, A. Mandour, S.M. El-Bahr and S. El-Sirafy, 2007. Effect of some immunostimulent agents on serum proteins and amino acids patterns of japanese quails. Alex. J. Vet. Med., 25: 47-53.
Waheed, M.M. and S.M. El-Bahr, 2008. Effect of antioxidants on acrosine amidase activity of chilled stallion spermatozoa. Vet. Med. J. Fac. Vet. Med., 56: 213-224.
Waheed, M.M., M.M. Al-Eknah and S.M. El-Bahr, 2011. Some biochemical characteristics and preservation of epididymal camel spermatozoa (Camelus dromedarius). Theriogenology, 76: 1126-1133.
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Waheed, M.M., S.M. El-Bahr and A. Al-Heider, 2012. Influence of seminal plasma antioxidants and osteopontin on fertility of the Arabian horse. J. Equine Vet. Sci., (In Press). .

 
 
 
 
 
 
 
 
 
     
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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