Abolfazl Khajavirad
Neurogenic Inflammation Research Centre, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
[ 1 ] - Protective effects of long-term administration of Ziziphus jujuba fruit extract on cardiovascular responses in L-NAME hypertensive rats
Objective: Ziziphus jujuba stimulates the release of nitric oxide (NO). Because NO is involved in cardiovascular regulations, in this study the effects of hydroalcoholic extract of Z. jujuba on cardiovascular responses in acute NG-nitro-L-arginine methyl ester (L-NAME) hypertensive rats were evaluated. Materials and Methods: Rats were divided into 6 group (n=6): 1) saline, 2) L-NAME received (...
[ 2 ] - Doxorubicin-induced renal inflammation in rats: Protective role of Plantago major
Objective: The aim of the present study was to evaluate the possible protective effect of Plantago major (P. major) extract against doxorubicin (DXR)-induced renal inflammation in rats. Materials and Methods: 80 male albino rats were randomly divided into 8 groups as follows: control, DXR, Ext (extract) 600, Ext1200, dexamethasone+DXR, vitamin E+DXR, Ext600+DXR, and Ext1200+DXR. Duration of the...
[ 3 ] - Crocin prevents acute angiotensin II-induced hypertension in anesthetized rats
Objective: Angiotensin II (Ang II), the main product of renin-angiotensin system (RAS) has a well-known role in cardiovascular regulation. Over-production of Ang II is one of the important underlying mechanisms of hypertension. In this study, the effect of crocin on cardiovascular responses in rats with acute hypertension induced by Ang II was evaluated. Materials and methods: Rats were divided...
[ 4 ] - Kidney stone formation and antioxidant effects of Cynodon dactylon decoction in male Wistar rats
Objectives: The antioxidant capacity impairs in kidney and urinary bladder of animals with stone disease. Herbal medicine can improve the antioxidant condition of renal tissue. Cynodon dactylon (C. dactylon) is a medicinal plant with antioxidative and diuretic properties and different preparations of this plant have shown promising effects in stone disease. Assessment of the whole plant decocti...
[ 5 ] - Renal injury, nephrolithiasis and Nigella sativa: A mini review
Objective: The incidence and prevalence of kidney stone is increasing worldwide. After the first recurrence the risk of subsequent relapses is higher and the time period between relapses is shortened. Urinary stones can be severely painful and make a huge economic burden. The stone disease may increase the vulnerability of patients to other diseases such as renal failure. Medicinal herbs are ri...
[ 6 ] - The protective effect of Nigella sativa against cisplatin-induced nephrotoxicity in rats
Objective: The clinical use of cisplatin is highly restricted, because of its nephrotoxicity.In this study the protective effect of Nigella sativa (N. sativa) against cisplatin-induced nephrotoxicity was investigated in rats. Materials and Methods: In the current study, the effects of the administration of aqueous-ethanolic extract of N. sativa (100 and 200 mg/kg, BW) and vitamin E (100 mg/kg, ...
[ 7 ] - Adriamycin-induced oxidative stress is prevented by mixed hydro-alcoholic extract of Nigella sativa and Curcuma longa in rat kidney
Objective: Inflammation and oxidative stress is considered to have a crucial role in induction of nephropathy. Curcuma longa (C. longa) and Nigella sativa (N. sativa) have anti-inflammatory and antioxidant effects. This study was designed to investigate the effect of mixed hydro-alcoholic extract of N.sativa and C. longa on the oxidative stress induced by Adriamycin (ADR) in rat kidney. Materia...
[ 8 ] - Effect of hydro-alcoholic extract of Rosa damascena on cardiovascular responses in normotensive rat
Objective: Rosa damascena mill L. (R. damascena) is a well-known plant with fragrant effects. Several therapeutic effects of this plant on respiratory, gastrointestinal and nervous systems have been reported. It is also suggested to have beneficial effect on cardiovascular system especially blood pressure regulation. The present study was carried out to evaluate acute cardiovascular effect of h...
[ 9 ] - In vivo effects of allogeneic mesenchymal stem cells in a rat model of acute ischemic kidney injury
Objective(s): Renal ischemia-reperfusion injury (IRI) as a severe condition of acute kidney injury (AKI) is the most common clinical problem with high mortality rates of 35-60% deaths in hospital. Mesenchymal stem cells (MSC) due to unique regenerative characteristics are ideal candidates for the treatment of the ischemic injuries. This work is focused on the administration of MSC to IRI-induce...
[ 10 ] - Effect of Nigella sativa on ischemia-reperfusion induced rat kidney damage
Objective(s):There are a few previously reported studies about the effect of Nigella sativa oil on renal ischemia-reperfusion injury (IRI). The aim of the present study was to test the hypothesis whether pre- or post-treatment with N. sativa hydroalcoholic extract (NSE) would reduce tissue injury and oxidative damages in a clinically relevant rat model of renal IRI. Materials and Methods: IR...
[ 11 ] - بررسی اثر فراکسیون‌های اتیل‌استات عصاره 50% الکلی آبی سیاه دانه بر پیش‌گیری از سنگ اگزالات کلسیم کلیه در رت نژاد Wistar
سابقه و هدف: گیاه سیاه دانه (.Nigella Sativa L) دارای اثرات فارماکولوژیک فراوانی است که از جمله می‌توان به اثرات ضد التهابی، ضد میکروبی، ضد سنگ ادراری، کاهش دهنده چربی خون و تقویت کننده ترمیم بافتی پس از ایجاد سمیت کلیوی اشاره کرد. در این پژوهش اثر فراکسیون‌های اتیل استات عصاره 50% الکلی آبی سیاه دانه بر پیش‌گیری از سنگ اگزالات کلسیم کلیه در رت نژاد Wistar بررسی شد. مواد و روش‌ها: برای انج...
[ 12 ] - اثر عصاره آبی- الکلی زردچوبه بر آسیب کلیوی ناشی از آدریامایسین در موش‌های صحرایی
اهداف: آدریامایسین از داروهای مهم ضدسرطان است که باعث آسیب کلیوی می‌شود. در مطالعات متعددی اثرات ضدالتهابی و آنتی‌اکسیدانی زردچوبه گزارش شده است. هدف این مطالعه، تعیین اثرات عصاره آبی- الکلی زردچوبه بر آسیب کلیوی ناشی از آدریامایسین در موش‌های صحرایی بود. مواد و روش‌ها: در این مطالعه تجربی، 32 سر موش صحرایی نر نژاد ویستار به‌صورت تصادفی ساده به چهار گروه؛ شاهد، آدریامایسین (5میلی‌گرم بر کیلوگرم...
[ 13 ] - اثر عصاره آبی – الکلی سیاهدانه بر آسیب عملکرد کلیوی ناشی از دوکسوروبیسین در موش‌های صحرایی
اهداف: دوکسوروبیسین از داروهای مهم ضدسرطان است که باعث سمیت کلیوی می‌شود. سیاهدانه دارای اثرات ضدالتهابی و آنتی‌اکسیدانی است. هدف این مطالعه، تعیین اثرات عصاره آبی- الکلی تخم سیاهدانه بر آسیب عملکرد کلیوی ناشی از دوکسوروبیسین در موش‌های صحرایی بود. مواد و روش‌ها: در این مطالعه تجربی، 32 سر موش صحرایی نر نژاد ویستار به‌طور تصادفی ساده به 4 گروه 8تایی تقسیم شدند؛ گروه شاهد، گروه دوکسوروبیسین (5...
[ 14 ] - تاثیر عصاره الکلی سیاهدانه بر میزان پرولیفریشن و آپوپتوزیس سلول های سرطانی کلیه ردهACHN
زمینه و هدف: سیاه دانه (Nigella sativa) گیاهی ازتیره آلاله٬ علفی، یک ساله یا پایا است. ترکیبات این گیاه دارای خواص ضد سرطانی هستند. این مطالعه با هدف بررسی اثر سایتوتوکسیک و آپوپتوتیک عصاره الکلی سیاهدانه بر روی رشد سلول های سرطانی کلیه انسان رده ACHN و سلول های غیر سرطانی سالم رده L929 انجام شد. روش بررسی: در این مطالعه تجربی غلظت های مختلف عصاره الکلی سیاهدانه در محیط کشت، روی سلول های ACHN ...
[ 15 ] - Effect of Plantago major extract on doxorubicin-induced nephropathy in rat
Introduction: Nephropathy is defined as rational loss of renal function related with glomerulosclerosis and declining glomerular filtration rate. Inflammation and oxidative stress play a critical role in nephropathy. Plantago major has antioxidant effects. The aim of present study is the investigation of the effect of Plantago major hydro-alcoholic extract on the oxidative stress and renal func...
[ 16 ] - The Effects of Inactivation of Pedunculopontine Tegmental Nucleus by Cobalt (II) Chloride on Cardiovascular Responses in Hemorrhagic Hypotensive Rats
Introduction: Based on the evidence, the Pedunculopontine Tegmental nucleus (PPT) is involved in cardiovascular function regulation. In this study, the probable role of PPT on cardiovascular parameters in the hypotension induced by Hemorrhage (HEM) was evaluated. Methods: The study rats were divided up into 5 groups: 1. Control (Saline); 2. Cobalt(II) chloride (CoCl2); 3. HEM; 4. Saline+HEM; ...
[ 17 ] - Cardiovascular effects of standardized hydroalcoholic extract of Ribes khorasanicum fruit in acute hypertensive rats
Objective: Ribes khorasanicum (R. khorasanicum)traditionally has been used for the treatment of higher blood pressure. In this study, the effect of hydroalcoholic extract of R. khorasanicum fruit in normotensive and hypertensive rats was evaluated. Materials and Methods: Animals were assigned into the following groups: 1) Control, 2) AngII (50 ng/kg), 3) ...
[ 18 ] - Involvement of the 5-HT1A receptor of the cuneiform nucleus in the regulation of cardiovascular responses during normal and hemorrhagic conditions
Objective(s): The 5-hydroxytryptamine1A (5-HT1A) receptor is one of the serotonin receptors in the brain, which regulates cardiovascular responses, especially in hemorrhage. Presence of this receptor in the cuneiform nucleus (CnF) has been shown. The present study evaluates the cardiovascular effect of this receptor of the CnF in normal and hypotensive hemorrhagic rats...
[ 19 ] - Examining the Related Factors Associated with Increased Length of Study in PhD Students in Mashhad University of Medical Sciences from the Viewpoints of Faculty Members, Students and Academic Staffs
Introduction: Due to the job sensitivity of medical sciences and its direct relationship with public health, the consequences of increasing the length of study of students will affect the society and the health system. Considering the importance of the length of study of PhD students and the lack of information about the reasons for its increase, this study was performed to identify the related...
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