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Chalmeh A, Pourjafar M, Badiei K, Mazrouei Sebdani M, Hatami Nasar N, Heidari SMM. Circulating endocrine, metabolic, and haematologic indices during the peripartum period of Darehshori mares. BJVM 2022. [DOI: 10.15547/bjvm.2020-0052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The characteristics associated with equine peripartum period are different from those of other periods. Information concerning the values and dynamic changes of circulating peripartum endocrine, metabolic, and haematologic indices may improve the understanding of the whole body haemostatic patterns which lead to parturition, lactogenesis, and estrus in the horse. The present study aimed to evaluate these changes around parturition in Darehshori breed. For this purpose, blood sampling was performed on six clinically healthy Darehshori mares (10 years old) about one week prior to parturition, three days following parturition, at the beginning of estrus, and one week after estrus. Circulating values of glucose, estrogen, progesterone, cortisol, T3, T4, TG, cholesterol, HDL, LDL, VLDL, RBC, HGB, HCT, MCV, MCH, MCHC, WBC, neutrophil, lymphocyte, and PLT were assessed in all samples. Progesterone concentrations were minimum before parturition and increased significantly one week after foaling heat (P=0.035). Cortisol level was significantly higher during foaling heat compared with other periods (P=0.029). T4 levels significantly increased from pre- to post-partum periods (P=0.001), but T3 showed increased and decreased values during the study period. All serum lipid profile parameters were significantly reduced from pre to postpartum period (P<0.05). Haematological parameters in mares significantly changed during the peripartum period (P<0.05). Based on the results, the metabolic, haematological, endocrinological, and stress indices in Darehshori mares were found to change around parturition and the first estrus. These changes were largely dependent on hormonal mechanisms related to pregnancy and parturition occurring in normal mares.
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Affiliation(s)
- A. Chalmeh
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - M. Pourjafar
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - Kh. Badiei
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - M. Mazrouei Sebdani
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - N. Hatami Nasar
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - S. M. M. Heidari
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
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Chalmeh A, Pourjafar M, Badiei K, Mirzaei A, Jalali M, Mazrouei Sebdani M. Effects of dietary antioxidants on glucose and insulin responses to glucose tolerance test in transition dairy cows. Domest Anim Endocrinol 2021; 75:106602. [PMID: 33385859 DOI: 10.1016/j.domaniend.2020.106602] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 11/21/2020] [Accepted: 11/23/2020] [Indexed: 11/20/2022]
Abstract
Oxidative stress occurs during the transition period and causes insulin resistance, which may be reduced by the use of antioxidants in this period. Twenty-four multiparous Holstein dairy cows, at 8 wk before parturition, were divided into 4 equal groups, namely control (Ctrl), vitamin E (VE), selenium (Se), and vitamin E plus selenium (VE + Se) groups. On a daily basis, VE and Se cows received dietary 1.5 IU vitamin E/kg BW and 0.3 mg/kg DM selenium, respectively, from 8 wk before to 3 wk after parturition. Vitamin E plus selenium group received doses similar to VE and Se groups. Insulin sensitivity was evaluated through intravenous glucose tolerance test (ivGTT) at weekly intervals from 3 wk before to 3 wk after parturition. Serum concentrations of total antioxidant status (TAS), malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GPx), nonesterified fatty acid (NEFA), and beta-hydroxybutyric acid (BHBA) were assayed weekly before the commencement of ivGTT. Based on the results of ivGTT, the lowest and the highest degrees of insulin sensitivity were detected in Ctrl and VE + Se groups, respectively. The highest and the lowest concentrations of NEFA and BHBA were observed in Ctrl and VE + Se groups, respectively. Total antioxidant status, SOD, and GPx values were significantly lower in Ctrl cows and significantly higher in VE + Se-received cows compared with other groups. However, MDA values in Ctrl and VE + Se cows were significantly higher and lower than the other groups, respectively. Collectively, our results show that dietary administration of vitamin E and selenium ameliorates oxidative stress and lipid mobilization and increases insulin sensitivity in transition cows.
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Affiliation(s)
- A Chalmeh
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.
| | - M Pourjafar
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - K Badiei
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - A Mirzaei
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - M Jalali
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
| | - M Mazrouei Sebdani
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
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Chalmeh A, Mirzaei A, Pourjafar M, Badiei K, Mazrouei Sebdani M, Saadat Akhtar I, Hadi Zarei M. Glucose related endocrine and metabolic responses following bolus intravenous hypertonic dextrose administration in Iranian fat-tailed ewes at different pre and post parturition periods. BJVM 2020. [DOI: 10.15547/bjvm.2160] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Providing glucose as primary metabolic fuel for maintenance, foetal growth and milk production may be considered necessary for protection against negative energy balance and metabolic disorders. Five adult Ghezel ewes were selected 4 weeks before their parturition and followed at 2 weeks before, 2 and 4 weeks and 2, 3 and 4 months after parturition. Dextrose 50% was administered at 500 mg/kg, 10 mL/kg/hour, and blood samples were collected from all ewes prior to and 1, 2, 3 and 4 hours after 50% dextrose infusion. Serum levels of glucose, beta-hydroxybutyric acid, non-esterified fatty acids, cholesterol, triglyceride, high, low and very low density lipoproteins, insulin, triiodothyronine, thyroxine, prolactin, cortisol and insulin like growth factor-1 were evaluated. Glucose and insulin were increased significantly and immediately following intravenous dextrose administration at all studied periods. The levels of beta-hydroxybutyric acid and non-esterified fatty acids were significantly decreased following dextrose infusion at all periods. Triiodothyronine was decreased in pregnant ewes and increased in non-pregnant, lactating ones. The significant increasing cortisol patterns were detected at 2 and 4 weeks before and 2 and 4 weeks after parturition following dextrose administrations. The decreasing patterns of insulin like growth factor-1 were seen in all studied periods. Prolactin was significantly increased following dextrose administration at 4 and 2 weeks before and 2 weeks after parturition. Bolus intravenous hypertonic dextrose administration could induce the obvious endocrine and metabolic responses in Ghezel ewes via providing a source of energy and the glucose is an important direct controller of metabolic interactions in Ghezel ewes.
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Pourjafar M, Saidijam M, Mansouri K, Ghasemibasir H, Karimi dermani F, Najafi R. All-trans retinoic acid preconditioning enhances proliferation, angiogenesis and migration of mesenchymal stem cell in vitro and enhances wound repair in vivo. Cell Prolif 2017; 50:e12315. [PMID: 27862498 PMCID: PMC6529123 DOI: 10.1111/cpr.12315] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 10/10/2016] [Indexed: 01/01/2023] Open
Abstract
OBJECTIVES Stem cell therapy is considered to be a suitable alternative in treatment of a number of diseases. However, there are challenges in their clinical application in cell therapy, such as to reduce survival and loss of transplanted stem cells. It seems that chemical and pharmacological preconditioning enhances their therapeutic efficacy. In this study, we investigated effects of all-trans retinoic acid (ATRA) on survival, angiogenesis and migration of mesenchymal stem cells (MSCs) in vitro and in a wound-healing model. MATERIALS AND METHODS MSCs were treated with a variety of concentrations of ATRA, and mRNA expression of cyclo-oxygenase-2 (COX-2), hypoxia-inducible factor-1 (HIF-1), C-X-C chemokine receptor type 4 (CXCR4), C-C chemokine receptor type 2 (CCR2), vascular endothelial growth factor (VEGF), angiopoietin-2 (Ang-2) and Ang-4 were examined by qRT-PCR. Prostaglandin E2 (PGE2) levels were measured using an ELISA kit and MSC angiogenic potential was evaluated using three-dimensional tube formation assay. Finally, benefit of ATRA-treated MSCs in wound healing was determined with a rat excisional wound model. RESULTS In ATRA-treated MSCs, expressions of COX-2, HIF-1, CXCR4, CCR2, VEGF, Ang-2 and Ang-4 increased compared to control groups. Overexpression of the related genes was reversed by celecoxib, a selective COX-2 inhibitor. Tube formation and in vivo wound healing of ATRA-treated MSCs were also significantly enhanced compared to untreated MSCs. CONCLUSION Pre-conditioning of MSCs with ATRA increased efficacy of cell therapy by activation of survival signalling pathways, trophic factors and release of pro-angiogenic molecules.
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Affiliation(s)
- M. Pourjafar
- Research Center for Molecular MedicineHamedan University of Medical SciencesHamedanIran
| | - M. Saidijam
- Research Center for Molecular MedicineHamedan University of Medical SciencesHamedanIran
| | - K. Mansouri
- Medical Biology Research CenterKermanshah University of Medical, SciencesKermanshahIran
| | - H. Ghasemibasir
- Department of PathologyHamedan University of Medical SciencesHamedanIran
| | - F. Karimi dermani
- Research Center for Molecular MedicineHamedan University of Medical SciencesHamedanIran
| | - R. Najafi
- Research Center for Molecular MedicineHamedan University of Medical SciencesHamedanIran
- Endometrium and Endometriosis Research CenterHamadan University of Medical SciencesHamadanIran
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Ranjbarnejad T, Saidijam M, Tafakh MS, Pourjafar M, Talebzadeh F, Najafi R. Garcinol exhibits anti-proliferative activities by targeting microsomal prostaglandin E synthase-1 in human colon cancer cells. Hum Exp Toxicol 2016; 36:692-700. [PMID: 27481098 DOI: 10.1177/0960327116660865] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
BACKGROUND Colorectal cancer is the fourth leading cause of death. Various natural compounds are known to have antitumor properties. Garcinol, a polyisoprenylated benzophenone, has antioxidant and anti-inflammatory properties. In the current study, we investigated the anticancer activity of garcinol on human colorectal adenocarcinoma cell line (HT-29) human colon cancer cells. METHODS HT-29 cells were treated with various concentrations of garcinol for 24 h. The effect of garcinol on HT-29 cells proliferation was assessed by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay; the mRNA expression of microsomal prostaglandin E synthase-1 (mPGES-1), hypoxia-inducible factor-1α (HIF-1α), vascular endothelial growth factor (VEGF), C-X-C chemokine receptor type 4 (CXCR4), matrix metalloproteinase-2 (MMP-2), and matrix metalloproteinase-9 (MMP-9) were examined by quantitative real-time polymerase chain reaction; apoptosis was detected by proportion of sub-G1 cell; caspase 3 activity and prostaglandin E2 (PGE2) level were determined by enzyme-linked immunosorbent assay and HT-29 cells migration was assessed using scratch test. RESULTS Garcinol preconditioning markedly decreased the expression of mPGES-1, HIF-1α, VEGF, CXCR4, MMP-2, and MMP-9. The proportion of cells in sub-G1 phase and caspase 3 activity were increased by garcinol treatment whereas the cell proliferation, PGE2 level, and cell migration were decreased in these cells, compared to the control group. CONCLUSION Our findings suggest that garcinol plays a critical role in elevating apoptosis and inhibiting HT-29 cells proliferation, angiogenesis, and invasion by suppressing the mPGES-1/PGE2/HIF-1α signaling pathways.
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Affiliation(s)
- T Ranjbarnejad
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - M Saidijam
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - M Sadat Tafakh
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - M Pourjafar
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - F Talebzadeh
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
| | - R Najafi
- Research center for molecular medicine, Hamadan University of Medical Sciences, Hamadan, Iran
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Chalmeh A, Pourjafar M, Nazifi S, Momenifar F, Mohamadi M. Relationships among circulating metabolic biomarkers in healthy high-producing holstein dairy cows in different physiological states. BJVM 2016. [DOI: 10.15547/bjvm.898] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Pourjafar M, Badiei K, Naghib S. Onion (Allium cepa) toxicosis in a goat herd. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Pourjafar M, Badiei K, Ghane M. A digestive disorder caused by ingestion of Ficus leaves (Ficus carica leaves poisoning) in a sheep herd. Toxicol Lett 2011. [DOI: 10.1016/j.toxlet.2011.05.336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Badiei K, Pourjafar M, Ghane M. Detection of faecal Cryptosporidium parvum antigen in diarrheic Holstein dairy cows. Trop Biomed 2011; 28:382-388. [PMID: 22041760] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Over a one-year period, based on a random cluster sampling design, 661 faecal samples from natural cases of diarrheic calves were taken in Fars province of Iran. The samples were taken from the 267 diarrheic calves of high and 394 diarrheic calves of average producing Holstein dairy cows. Faecal samples were collected directly from the rectum. Herd selection was based on geographical location and density of cattle in the region. Samples were collected based on 5 percent of herd population in 4 geographical regions: North, West, East and South of Fars province. The herds were stratified into small, medium and large size. Laboratory investigation consisted of a direct identification test for antigen of Cryptosporidium parvum. All herds had HPDC and APDC Cryptosporidium-infected diarrheic calves in their population. Diarrheic Cryptosporidium infected HPDC calves in southern region of Fars province were at much lower risk (P<0.05) than APDC calves. The rate of Cryptosporidium infection in diarrheic APDC calves in southern region of Fars province was highest when compared to other geographical locations. When considering the effect of age, diarrheic Cryptosporidium affected APDC Holstein calves of younger dams (>2 to 3years) showed a higher rate of infection when compared to diarrheic HPDC Cryptosporidium infected ones. There were no differences among the occurrence of Cryptosporidium infection in diarrheic HPDC and APDC calves of different herd size groups.
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Affiliation(s)
- K Badiei
- Department of Clinical Sciences, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.
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Pourjafar M, Aghbolaghi PA, Shakhse-Niaie M. Effect of garlic along with lead acetate administration on lead burden of some tissues in mice. Pak J Biol Sci 2009; 10:2772-4. [PMID: 19070102 DOI: 10.3923/pjbs.2007.2772.2774] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Garlic ability to reduce lead burden in body tissues before and during chronic lead toxicity was studied. Eighty mice were divided into 8 groups. Group D received placebo. Groups A1, A2 and A3, respectively received 500, 250 and 125 mg kg(-1) day garlic and Groups B1, B2 and B3, respectively 1/4, 1/8 and 1/16 garlic tablet kg(-1) day in first four weeks and in second four weeks they received 5 mg kg(-1) day lead acetate plus garlic or garlic tablet. Group C received placebo in first four weeks and in second four weeks they received 5 mg kg(-1) day lead acetate and placebo. Reduction in lead burden of kidney, liver, bone and blood (except for group A3) in experimental groups was significant compared with group C (p<0.05). Results showed that fresh garlic extract and garlic tablet had almost same effects on lead reduction in tissues.
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Affiliation(s)
- M Pourjafar
- School of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
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Borhani Haghighi A, Ghahramani S, Azarpira N, Pourjafar M, Nikseresht AR. Cytotoxic T lymphocyte associated antigen-4 exon 1 A/G polymorphism in Iranian patients with multiple sclerosis. Eur J Neurol 2008; 15:862-4. [PMID: 18705023 DOI: 10.1111/j.1468-1331.2008.02153.x] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Cytotoxic T lymphocyte antigen-4 (CTLA-4) is a T-cell surface receptor of activated T cells. MATERIAL AND METHODS We studied 100 Iranian patients with clinically definite multiple sclerosis (MS) and 100 ethnic, sex- and age-matched controls. CTLA-4 exon 1 A/G polymorphism was compared amongst patients and controls. RESULTS There was no statistically significant difference in the allelic [odds ratio (OR): 1.19, confidence interval (CI) 95%: 0.76-1.85, P = 0.4] and genotypes (OR: 1.60, CI 95%: 0.911-2.824, P = 0.102) distribution amongst patients and controls. Also gender, course and progression index did not reveal any statistically significant differences in allele and genotype distribution of A/G polymorphism. CONCLUSION As a non-European patient population, our results are consistent with the major previous studies showing no significant associations between CTLA4 exon 1 polymorphism and neither MS nor any of its subtypes.
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Affiliation(s)
- A Borhani Haghighi
- Department of Neurology, Shiraz University of Medical Sciences, Shiraz, Iran.
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Pourjafar M, Kojouri GHA, Dehkordi AJ, Sharifi S, Esmaeili T. The relationship between KCl infusion and changes of ECG, electrolytes of plasma and K content of donkey's red blood cells. Pak J Biol Sci 2008; 11:433-437. [PMID: 18817168 DOI: 10.3923/pjbs.2008.433.437] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Sudden marked increases in the serum potassium concentration, up to 8 to 9 meq L(-1), are the result of transcellular movement of potassium and are associated with profound electrocardiographic abnormalities and fluid shifts. Electrocardiographic changes associated with hyperkalemia have been described in the cat, the dog, the horse and are well documented in man. Since there is no research about the effects of hyperkalemia on electrocardiogram of donkey, the purpose of this study was to induce the experimentally hyperkalemia in donkey and studying the relationship between KCl infusion and changes of ECG, electrolytes of plasma and K content of donkey's red blood cells. This research was carried out in seven clinically healthy female donkeys, injected with 0.35 molar potassium chloride solutions to jugular vein. Results indicated that potassium content of RBC at 30, 45, 60, 75 and 90 min, blood potassium level at 30, 45, 60, 75 and 90 min, blood calcium at 60, 75, 90 and 105, increased significantly and blood magnesium decreased significantly at 135 min. Electrocardiographic changes were first degree A-V block, wandering pacemaker, inversion of negative to positive T-wave, flattening of the P-wave, ventricular premature beat, sinus arrest, bradycardia and sinus tachycardia.
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Affiliation(s)
- M Pourjafar
- Department of Large Animal Internal Medicine, Veterinary Faculty of Shahrekord University, Iran
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Pourjafar M, Badiei K. 691 Hair lead content of horses around shiraz oil and petrochemical industries. Toxicol Lett 2003. [DOI: 10.1016/s0378-4274(03)90690-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Pourjafar M, Mostaghni K. 298 A study of heparin effects on hematobiochemical factors and biliarybilirubin secretion in sheep. Toxicol Lett 2003. [DOI: 10.1016/s0378-4274(03)90297-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Pourjafar M, Derakhshanfar A, Talebanfard H. 250 Histopathological, hematobiochemical and urinalysis changes in experimental oak) Quercus brantii) poisoning in sheep. Toxicol Lett 2003. [DOI: 10.1016/s0378-4274(03)90249-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Pourjafar M, Heidari M. A Study on Subclinical Ketosis in Holstein Cattle of Torbat-Heydarieh (Khorasan Province). Acta Vet Scand 2003. [DOI: 10.1186/1751-0147-44-s1-p138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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