Mazdak Razi

Department of Comparative Histology & Embryology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran

[ 1 ] - The effect of vitamin C on mice hemolytic anemia induced by phenylhydrazine: an animal model study using histological changes in testis, pre-implantation embryo development and biochemical changes

Objective(s): The aim of the present study was to assess the effects of vitamin C (Vit C) on hemolytic anemia induced by phenylhydrazine (PHZ). Materials and Methods: Twenty-four healthy male mice were divided into four groups, randomly: Control group (0.1 ml/day, normal slaine, IP), PHZ group that received only PHZ 8 mg/100 g/48 hr, IP, PHZ+Vit C group that received PHZ 8 mg/100 g/48 hr, IP an...

[ 2 ] - Nicotine-induced damages in testicular tissue of rats; evidences for bcl-2, p53 and caspase-3 expression

Objective(s): Present study was performed in order to uncover new aspects for nicotine-induced damages on spermatogenesis cell lineage. Materials and Methods: For this purpose, 36 mature male Wistar rats were divided into three groups as; control-sham (0.2 ml, saline normal, IP), low dose (0.2 mg/kg BW-1, IP) nicotine-received and high dose (0.4 mg/kg BW-1, IP) nicotine-received groups. Followi...

[ 3 ] - Histochemical study of river buffalo’s uterine endometrium in follicular and luteal phases

This study was conducted to evaluate histochemical alterations of river buffalo’s uterine wall acid andalkaline phosphatases (ALP and ACP), lipase and carbohydrate ratio during follicular and luteal phases.Forty apparently healthy and non pregnant river buffalos were considered for removal of the uterus aftersacrifice in slaughterhouse. All dissected uteri were divided into two luteal (by obser...

[ 4 ] - Compensatory ovarian changes, mast cell distribution and luminal structure changes following unilateral ovariectomy in rats

To follow-up the present study, 40 mature female rats were used. The animals were divided into test,control and sham groups. The rats in the test group were laparotomized and unilateral ovariectomy was done. On the 1st and 2nd met-oestrous after operation, the tissue samples were dissected out and processed for histological study. The intact ovary in the test group underwent a significant (P

[ 5 ] - Adverse effects of long-time exposure to formaldehyde vapour on testicular tissue and sperm parameters in rats

Formalin is widely used in industry and in medicine (as tissue fixative and disinfectant).It contains reactive molecules which have been known for its cytotoxic effects. To evaluate the effect of formalin exposure on the testicular tissue and sperm parameter from neonatal period through physical and sexual maturity, 28 male Wister rats were assigned into two equal test and control groups. The t...

[ 6 ] - 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...

[ 7 ] - اثر عصاره هیدروالکلی سیاهدانه روی سطح آنزیم مالون دی آلدهید (MDA) و ظرفیت آنتی اکسیدانی تام (TAC) در بافت تخمدان رت های مدل PCOS

سندرم تخمدان پلی کیستیک (PCOS) بیماری شایعی است که 10-5% خانم ها را در سنین باروری درگیر می کند و با کاهش تخمک گذاری، افزایش آندروژن و مقاومت به انسولین همراه است. دانه سیاهدانه دارای تاریخچه غنی پزشکی و مذهبی و متشکل از ترکیبات شیمیایی قدرتمند است که می تواند اثرات بسیاری بر سلامت انسان بگذارد. در این مطالعه اثر عصاره هیدروالکلی سیاهدانه روی خواص آنتی اکسیدانی بافت تخمدان در رت ...

[ 8 ] - ارزیابی کارایی ویتامین C در برابر آسیب های اکسیداتیو و آپوپتوز هپاتوسیت های موش های تحت درمان با فنیل هیدرازین

زمینه و هدف: فنیل هیدرازین به عنوان یک ترکیب همولیتیک شناخته شده می تواند عوارض جانبی متعددی نظیر سمیت کبدی را سبب شود. مطالعه حاضر به منظور ارزیابی کارایی احتمالی ویتامین C در برابر آسیب های اکسیداتیو و آپوپتوز ناشی از فنیل هیدرازین در کبد موش انجام پذیرفت. روش بررسی: به منظور انجام این مطالعه تجربی تصادفی شده شاهد دار، تعداد 32 موش نر بالغ به 4 گروه هرکدام شامل 8 موش تقسیم شدند. دو گروه از مو...

[ 9 ] - بررسی اثر محافظتی ژل رویال همراه با ویتامینC بر اثرات تخریبی آنمی همولیتیک القاء شده توسط فنیل هیدرازین بر کیفیت اسپرم و پارامترهای سرمی موش‌های سفید آزمایشگاهی

چکیده: زمینه و هدف: کاهش جریان خون موجب تغییرات آسیب شناسی در عملکرد طبیعی بیضه و اسپرماتوژنز می شود، همچنین یون‌های آهن آزاد شده ناشی از لیزه شدن گلبول های قرمز و به دنبال آن افزایش یون‌های آهن در بافت بیضه ممکن است موجب استرس اکسیداتیو و اختلال در عملکرد دستگاه تولید مثل گردد. روش بررسی: در این مطالعه تجربی، تعداد 32 سر موش بالغ 20 تا 25 گرمی به 4 گروه تقسیم شدندکه شامل گروه کنترل دریافت کنند...

[ 10 ] - Simultaneous effect of stocking density, dietary aflatoxin B1 and medicinal plant multi-blend on digestive physiology of rainbow trout (Oncorhynchus mykiss)

The effect of stocking density and dietary aflatoxin B1 along with including rosemary and thyme powders on digestive enzymes activity of rainbow trout was evaluated. 600 fish with an average weight of 90±3 were randomly allotted into six experimental groups consisted of (1) stocking at 15 kg.m-3- feeding diet devoid of aflatoxin, (2) stocking at 45 kg.m-3-feeding diet devoid of aflatoxin, (3) s...

[ 11 ] - Effect of Long Term-Administration of Aspartame on Sperm Quality, Testosterone and Oxidant Parameters in Mice

Introduction: Aspartame is the most famous and widely used artificial sweetener which is extensively used in food stuffs. Many controversial reports are presented on the toxisity of aspartame on different body tissues; nonetheles, little data is available about the the side effects of Aspartame on the reproductive system. The present study was conducted in order to evaluate the effects of aspar...

[ 12 ] - Effects of nano-selenium on mRNA expression of markers for spermatogonial stem cells in the testis of broiler breeder males

Fertility is one of the most important parameters in breeder farms and cockerels play an outstanding role in fertility of eggs in broiler breeder units. Todays, supplementation of feed-additives such as organic selenium is used to increase fertility. The aim of this study was to evaluate the effects of different levels of Nano-Selenium (Nano-Se) on expression of molecular markers of spermatogon...

[ 13 ] - Long-Term Effect of Aspartame on Male Reproductive System: Evidence for Testicular Histomorphometrics, Hsp70-2 Protein Expression and Biochemical Status

Background: Aspartame is one of the most commonly consumed artificial sweeteners that is widely used in foodstuffs.There are many debatable reports about aspartame toxicity in different tissues; however, on the subject of itseffects on the reproductive system, few literatures are available. The present study was carried out for evaluating effectsof aspartame on the reproductiv...

[ 14 ] - Ameliorative Effect of Crocin on Sperm Parameters and In Vitro Fertilization in Mice under Oxidative Stress Induced by Paraquat

Objective Background and Objectives: Paraquat (PQ) is a herbicide and is genotoxic and cytotoxic poison for male germ cells. Therefore, in this study, the protective role of Crocin (Cr) against the destructive effects of Paraquat on sperm quality and in-vitro fertilization results Paraquat was investigated. MaterialsAndMethods Materials and Methods: Twenty-eight male mice (20-25g) were used in ...

[ 15 ] - O-1: Thraputic Effect of Silymarin, Celecoxib and Exogenous Testosterone on Varicocele-Induced Disorders; Possible Mechanisms

Background Varicocele (VCL) is characterized by a progressive disorder which is defined by tortuosity of the pampiniform plexus veins that exerts bilateral impacts. 50-60 percent of males with infertility problems are suffering from VCL. Considering VCL-induced massive problems in human fertilizing potential, investigating different aspects of VCL-induced derangements is gaining considerable at...

[ 16 ] - P-39: Protective Effect of Silymarin, Celecoxib and Testosterone on Varicocele- Induced Damages in Testis of Rats

Background Varicocele (VCL) is characterized by a progressive disorder which is defined by tortuosity of the pampiniform plexus veins. Although elevated oxidative stress, diminished endocrine status and severe inflammation are considered as main reasons for VCL-induced apoptosis, the role of estrogen receptors, testicular aromatization and proto-oncogenes under these conditions are remained unk...

[ 17 ] - Varicocele-Induced Infertility in Animal Models

Varicocele is characterized by abnormal tortuosity and dilation of the veins of the pampiniform plexus within the spermatic cord. Although several reports show the mechanisms by which the varicocele exerts its infertility impact, the exact pathophysiology for varicocele-induced inflammation and its relationship with testicular endocrine disruption remain largely unknown. This review article wil...

[ 18 ] - Nano-micelle Curcumin; A Hazardous and/or Boosting Agent? Relation with Oocyte In-vitro Maturation and Pre-implantation Embryo Development in Rats

The present study was done to uncover the possible beneficial and/or detrimental effect(s) of nano-micelle curcumin (NMC) on oocyte in-vitro maturation and pre-implantation embryo development. Forty-eight mature female Wistar rats were assigned to control, 7.5, 15, and 30 mg/kg-1 NMC-receiving (orally, for 48 days) groups. To assess the cumulus-oocyte complexes (COCs), the ovaries were stimulat...