Hassan Malekinejad

[ 1 ] - Silymarin attenuates mycophenolate mofetil-induced duodenal disorders in rats

Objective: The protective effect of silymarin (SMN) on mycophenolate mofetil (MMF)–induced duodenal disorders was investigated. Materials and Methods: Forty-two Wistar rats were assigned to seven groups including control and test groups. The control animals received saline and the test animals were treated with MMF (30 mg/kg, orally) and saline, MMF and SMN (25, 50, and 100 mg/kg, orally), MMF ...

[ 2 ] - A cytotoxicity and comparative antibacterial study on the effect of Zataria multiflora Boiss, Trachyspermum copticum essential oils, and Enrofloxacin on Aeromonas hydrophila

Objective: this study designed to test the antibacterial potency of enrofloxacin (ENR) and essential oils from Zataria multiflora Boiss (ZEO) and Trachyspermum copticum (TEO)on Aeromonas hydrophila. Material and Methods: The antibacterial potency of test compounds was determined by several methods including the inhibition zone diameter determination, microbroth dilution method and colorimetric...

[ 3 ] - Cardioprotective effect of royal jelly on paclitaxel-induced cardio-toxicity in rats

Objective(s):Paclitaxel is a potent chemotherapy agent with severe side effects, including allergic reactions, cardiovascular problems, complete hair loss, joint and muscle pain, which may limit its use and lower its efficiency. The cardioprotective effect of royal jelly was investigated on paclitaxel-induced damages. Materials and Methods:Adult male Wistar rats were divided into control and te...

[ 4 ] - Hawthorn ethanolic extracts with triterpenoids and flavonoids exert hepatoprotective effects and suppress the hypercholesterolemia-induced oxidative stress in rats

Objective(s):The current study was aimed to determine the bioactive constituents and biological effects of the Crataegus monogyna ethanolic extracts from bark, leaves and berries on hypercholesterolemia. Materials and Methods: Oleanolic acid, ursolic acid, quercetin and lupeol concentrations were quantified by HPLC. Total phenol content and radical scavenging activity of extracts were also mea...

[ 5 ] - Immunotherapeutic effects of pentoxifylline in type 1 diabetic mice and its role in the response of T-helper lymphocytes

Objective(s):Pentoxifylline is an immunomodulatory and anti-inflammatory agent and is used in vascular disorders. It has been shown that pentoxifylline inhibits proinflammatory [d1] cytokines production. The purpose of this study was to investigate the therapeutic effects of pentoxifylline on the treatment of autoimmune diabetes in mice. Materials and Methods: Diabetes was induced by multiple l...

[ 6 ] - The Effect of Tamoxifen on the Fetal and Neonatal Ovarian Follicles Development in Rats

Objective(s) The effect of tamoxifen as a selective estrogen receptor modulator which is widely used for treatment of early and metastatic breast cancer was investigated on the folliculogenesis in rat's fetuses and neonates. Materials and Methods The pregnant rats assigned into test and control groups. Control group received olive oil and treatment groups received either 17-β-estradiol (10 µ...

[ 7 ] - Silymarin: a novel natural agent to restore defective pancreatic beta cells in Streptozotocin (STZ)-induced diabetic rats

This study aimed to investigate the potency of silymarin (SMN) and melatonin (MEL) on restoring the pancreatic  cells in streptozotocin (STZ)-induced diabetic rats. Male Wistar rats were divided into five groups, including: control (C), untreated diabetic (D), SMN-treated diabetic (50 mg/kg, orally), MEL-treated diabetic (10 mg/kg, i.p.), and SMN plus MEL-treated diabetic rats. Diabetes was in...

[ 8 ] - Cytochrome C and Caspase-3/7 are Involved in Mycophenolic Acid-induced Apoptosis in Genetically Engineered PC12 Neuronal Cells Expressing the p53 Gene

Mycophenolic acid (MPA) is the active metabolite of mycophenolate mofetil. This study designed to investigate the mechanism of cytotoxicity of MPA on the genetically engineered PC12 Tet Off (PTO) neuronal cells with p53 gene. Alamar Blue (AB) reduction showed concentration-dependent cytotoxicity of MPA on PTO cells with IC50 value of 32.32 ± 4.61 mM. The reactive oxygen species (ROS) generation...

[ 9 ] - Paraquat Exposure Up-regulates Cyclooxygenase-2 in the Lungs, Liver and Kidneys in Rats

Paraquat is a commonly used herbicide in many countries which can lead to systematic poisoning on exposure, In this study, paraquat (PQ)-induced changes in the expression of Cyclooxygenase-2 (COX-2) along with biochemical and histopathological changes in the lungs, liver and kidneys were studied. Twenty four male Wistar rats (180-200 g) were exposed either against saline as control group or var...

[ 10 ] - Antioxidant effects of Spirulina platensis (Arthrospira platensis) on ‎cyclophosphamide-induced testicular injury in rats

Cyclophosphamide (CP) is known to reduce fertility. The protective effects of Spirulina plantesis (SP) against CP-induced testicular toxicity were investigated. Male Wistar rats were categorized into eight groups (n = 7). Four groups of rats were administered CP at a dose of 5 mg in 5 mL distilled water kg-1 per day orally. Two of these groups were received SP (500 and 1000 ...

[ 11 ] - Anti-atherosclerotic effect of Cynodon dactylon extract on experimentally induced hypercholesterolemia in rats

Cynodon dactylon (Bermuda grass) is a perennial plant traditionally used as an herbal medicine in many countries. In the present study, anti-atherosclerotic property of ethanolic extract of C. dactylon was investigated in the experimentally induced hypercholesterolemia in rats. In this study, 36 male Wistar rats were selected and allocated into six groups (n = 6). The control ...

[ 12 ] - The role of sera from equine grass sickness on apoptosis induction in PC12 Tet-off p53 cell line

The pathogenesis of equine grass sickness (EGS) has not fully understood. A better understanding of the exact pathogenesis of diseases can help to make an accurate diagnosis. Previous studies reported some pathological damage of neuronal cells in EGS patients. In this study, primarily cytotoxicity of serum from three clinically EGS-diagnosed horses on PC12 Tet-off (PTO) cells was assessed. Subs...

[ 13 ] - Atrazine in sub-acute exposure results in sperm DNA disintegrity and nuclear immaturity in rats

This study was designed to evaluate the detrimental effect of atrazine (ATR) on germinal epitheliums (GE) cytoplasmic carbohydrate (CH) and unsaturated fatty acids (UFA) ratio and to clarify the effect of ATR on serum levels of FSH, LH, testosterone and inhibin-B (INH-B). The impact of ATR exposure on total antioxidant capacity (TAC), sperm DNA packing and integrity were also investigated. Seve...

[ 14 ] - Chemoprotective effect of Crataegus monogyna aqueous extract against cyclophosphamide-induced reproductive toxicity

Cyclophosphamide (CP) is extensively used as an antineoplastic agent for treatment of various cancers, as well as an immunosuppressive agent. However, despite its wide spectrum of clinical uses, CP is known to cause several adverse effects including reproductive toxicity in humans and experimental animals. Crataegus monogyna is one of the oldest medicinal plant has been shown to be cytoprotecti...

[ 15 ] - Histological Impact of Long Term Varicocele-Induction on Right and Left Testes in Rat (Evidence for the Reduction of Sperm Quality and Mating Abilities)

This study was designed to clarify bilaterally effect of long-time varicocele on left and right testes and to identify the effect of varicocele on maturation divisions during spermatogenesis. Moreover, the percentage of seminiferous tubules (STs) with I-VIII and IX-XIV stages of spermatogenesis and sperm parameters such as sperm motility and abnormality types were evaluated. The left varicocele...

[ 16 ] - The Protective Effect of Liquorice Plant Extract on CCl4-Induced Hepatotoxicity in Common Carp (Cyprinus carpio)

The protective effect of liquorice plant extract (LPE) on CCl4-induced hepatotoxicity in common carp was evaluated using fifty adult carps. The fish were cultured in a standard environment in terms of water flow rate, oxygen, pH, food and temperature. The fish were assigned into 5 groups (N = 10) as control, sham, and tests. The test groups were pre-treated for 3 h with various concentrations o...

[ 17 ] - Interspecies variation in the hepatic biotransformation of zearalenone: Evidence for bio-inactivation of mycoestrogen zearalenone in sturgeon fish

Zearalenone (ZEA) as mycoestrogen is found in human foods and animal feeds. Its estrogenic potency depends on its biotransformation fate. The hepatic biotransformation of ZEA in two species of sturgeon fish (Acipenser persicus and Huso huso) was investigated. ZEA was incubated with the hepatic microsomal and post-mitochondrial sub-fractions in the presence of NADPH and the metabolites were dete...

[ 18 ] - Silymarin: a novel natural agent to restore defective pancreatic beta cells in Streptozotocin (STZ)-induced diabetic rats

This study aimed to investigate the potency of silymarin (SMN) and melatonin (MEL) on restoring the pancreatic  cells in streptozotocin (STZ)-induced diabetic rats. Male Wistar rats were divided into five groups, including: control (C), untreated diabetic (D), SMN-treated diabetic (50 mg/kg, orally), MEL-treated diabetic (10 mg/kg, i.p.), and SMN plus MEL-treated diabetic rats. Diabetes was in...

[ 19 ] - Cytochrome C and Caspase-3/7 are Involved in Mycophenolic Acid-induced Apoptosis in Genetically Engineered PC12 Neuronal Cells Expressing the p53 Gene

Mycophenolic acid (MPA) is the active metabolite of mycophenolate mofetil. This study designed to investigate the mechanism of cytotoxicity of MPA on the genetically engineered PC12 Tet Off (PTO) neuronal cells with p53 gene. Alamar Blue (AB) reduction showed concentration-dependent cytotoxicity of MPA on PTO cells with IC50 value of 32.32 ± 4.61 mM. The reactive oxygen species (ROS) generation...

[ 20 ] - Paraquat Exposure Up-regulates Cyclooxygenase-2 in the Lungs, Liver and Kidneys in Rats

Paraquat is a commonly used herbicide in many countries which can lead to systematic poisoning on exposure, In this study, paraquat (PQ)-induced changes in the expression of Cyclooxygenase-2 (COX-2) along with biochemical and histopathological changes in the lungs, liver and kidneys were studied. Twenty four male Wistar rats (180-200 g) were exposed either against saline as control group or var...

[ 21 ] - اثر لوپئول و فلوتامید بر بهبود هایپرفیبروز رحمی ناشی از تجویز دهیدرواپی‌آندروسترون (DHEA) در موش سفید کوچک آزمایشگاهی

Background & Aims: Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in women of reproductive ages that may contribute to uterine complications such as endometrial hyperplasia and hyperfibrosis. Hyperandrogenemia is the key factor in the pathophysiology of PCOS. Based on recent finding concerning anti-androgen effects of Lupeol, we aimed to study the effects of this tr...

[ 22 ] - بررسی اثرات لاکتو فرین در کاهش مسمومیت رویانی ناشی از سیکلو فسفامید: مطالعه باروری آزمایشگاهی در موش

مقدمه: سیکلو فسفامید به عنوان یک داروی شیمی درمانی که به صورت گسترده مورد استفاده قرار می گیرد اثرات جانبی متعددی نظیر سمیت های تولید مثلی را موجب می گردد. هدف مطالعه حاضر ارزیابی اثرات محافظتی احتمالی لاکتو فرین با ویژگی های ضد التهابی و آنتی اکسیدانت در برابر سمیت تولید مثلی سیکلو فسفامید در موش می باشد. مواد و روش ها: برای انجام این مطالعه تجربی، 32 موش ماده بالغ نژاد NMRI به چهار ...

[ 23 ] - نقش محافظتی اتیل پیروات و ویتامین E در برابر سمیت کلیوی ناشی از فنیل‌هیدرازین در موش سفید کوچک آزمایشگاهی

Background : Phenylhydrazine (PHZ) as a well-known hemolytic compound causes toxicity in different tissues. The present study aimed to evaluate the probable protective effects of ethyl pyruvate (EP) and vitamin E (vit E) against the damage caused by PHZ in mice kidney. Materials and Methods: The adult male mice were divided into eight groups, with 8 mice in each group. The control group receiv...

[ 24 ] - Interspecies variation in the hepatic biotransformation of zearalenone: Evidence for bio-inactivation of mycoestrogen zearalenone in sturgeon fish

Zearalenone (ZEA) as mycoestrogen is found in human foods and animal feeds. Its estrogenic potency depends on its biotransformation fate. The hepatic biotransformation of ZEA in two species of sturgeon fish (Acipenser persicus and Huso huso) was investigated. ZEA was incubated with the hepatic microsomal and post-mitochondrial sub-fractions in the presence of NADPH and the metabolites were dete...

[ 25 ] - Detrimental Effect of Atrazine on Testicular Tissue and Sperm Quality: Implication for Oxidative Stress and Hormonal Alterations

Background: Atrazine (ATR) is used as an agriculture herbicide worldwide. It has been shown that ATR adversely affect the reproductive system in rodents. In this study we aimed to evaluate the impact of chronic exposure to Atrazine (ATR) on male testicular tissue, sperm parameters, serum level of total thiol molecules (TTM) and malodialdehyde (MDA) content of testes. Methods: To follow-up th...

[ 26 ] - ارزیابی اسپرم موش‌های سوری مبتلا به آنمی همولیتیک القاء شده توسط فنیل هیدرازین و اثر محافظتی کروسین

کم‌خونی همولتیک و به تبع آن کاهش اکسیژن‌رسانی می‌تواند موجب اختلال در عملکرد بیضه و اسپرماتوژنز گردد. هم‌چنین آهن آزاد شده از گلبول‌های قرمز و به دنبال آن افزایش آهن بافتی ممکن است ایجاد استرس اکسیداتیو نماید. هدف از این مطالعه، بررسی اثر آنمی‌همولیتیک ایجاد شده توسط فنیل‌هیدرازین بر کیفیت اسپرم موش سوری و نقش محافظتی کروسین بر آسیب ناشی از فنیل‌هیدرازین بود. از این رو در تحقیق حاضر، تعد...

[ 27 ] - Effects of rabbit pinna-derived blastema cells on tendon healing

Objective(s): Tendon healing is substantially slow and often associated with suboptimal repair. Cell therapy is one of the promising methods to improve tendon repair. Blastema, a population of undifferentiated cells, represents characteristics of pluripotent mesenchymal stem cells and has the potentials to be used in regenerative medicine. The aim of this study was to ...

[ 28 ] - Mycotoxicoses in veterinary medicine: Aspergillosis and penicilliosis

Molds and mycotoxins are contaminants of animal feed causing spoilage and clinical intoxication. Animal exposure to mycotoxins reflects diet composition with major differences occurring between animals kept predominantly of pastures, i.e. ruminants and horses, and those consuming formulated feed like pigs and poultry. Mixed feeds are composed of several ingredients, often sourced from different...