رامین Kaffash Elahi Articles List

List of Articles رامین Kaffash Elahi

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1 - The effect of topical application of autologous blood serum and platelet rich plasma mixture on clinical vision improvement after induction of experimental corneal stromal ulcers in rabbit
رامین Kaffash Elahi S.J Aledavood علی Rezaei

     Corneal ulcers which are mostly due to trauma are among the most common ocular disorders of animals that if not cured properly, might progress to blindness. In this research, the effects of platelet derived rich plasma (PRP) combined with autologous More

     Corneal ulcers which are mostly due to trauma are among the most common ocular disorders of animals that if not cured properly, might progress to blindness. In this research, the effects of platelet derived rich plasma (PRP) combined with autologous blood serum on vision improvement time (attainment of maximum corneal clarity) following creation of deep corneal stromal ulcer was evaluated. For this purpose, 25 adult male New Zealand which rabbits which were allocated to three groups of positive control (10 rabbits), negative control (5 rabbits) and treatment (10 rabbits) were used. In the control corneal regions of each animal, a deep stromal ulcer (extending from the corneal epithelium to the last stromal layer) with a diameter of 4mm was created by means of a probe. Then in the treatment group, pre-prepared PRP was placed immediately on the ulcer and autologous serum drop was administered as 2 drop, 3 times per day for 35 days. In the positive control group Chloramphenicol, Ciprofloxacin and Naphazoline ophthalmic drops and in the negative control group only distilled water were used in the same manner. During the 35 days of the study period, the visual status of the rabbits was evaluated daily. Based on clinical examinations, the treatment group achieved ideal vision significantly faster than the negative and positive control groups and the created ulcer had healed with the least amount of scar production (maximum light penetration from the cornea). Based on the results of this study, the used of PRP is recommended in the treatment of superficial to deep corneal ulcers to obtain faster heading, better vision improvement and least scar production.   Manuscript profile
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2 - Histopathological evaluation of the effect of vitamin E on rat kidney after complete unilateral urethral obstruction
G.h Mousavi داریوش Mohajeri علی Agebati Maleki رامین Kafash Elahi مهرداد Neshat میرهادی Khayat Nouri

Vitamin E is an important antioxidant, which plays a vital role in preventing free radical induced reperfusion injuries. Any disorder in the normal urinary flow is termed obstructive nephropathy which could ultimately lead to hydronephrosis, atrophy and complete impairm More

Vitamin E is an important antioxidant, which plays a vital role in preventing free radical induced reperfusion injuries. Any disorder in the normal urinary flow is termed obstructive nephropathy which could ultimately lead to hydronephrosis, atrophy and complete impairment of renal function. The aim of this study was to determine the effect of vitamin E on renal tissue following complete unilateral urethral obstruction in the rat. In this experimental study, 30 adult male Sprague-Dawley rats were randomly divided into three groups each containing 10 rats. The first group was considered as the control group. Following Unilateral urethral obstruction (UUO), rats in the second group received olive oil intraperitoneally for 15 days starting one day before surgery. Group three rats were given 50 Iu/kg of Vitamin E intraperitoneally for 15 days starting one day before unilateral obstruction (UUO-Vit E). Rats were euthanized at day 14 after surgery for histopathological evaluation and their left kidneys were collected and fixed in formalin and stained with Hematoxylen and Eosin, Trichrome-masson and Periodic Acid Schiff techniques. Histopathological evaluation revealed dilation of the Bowman’s capsule, severe glomerular and tubular atrophy, periglomerular sclerosis, interstitial infiltration of mononuclear cells, severe diffuse tubular degeneration, epithelial thickening of Bowman’s capsule, perivascular edema, interstitial fibrosis, hemorrhage and sub capsular fibrosis in the UUO group. Vitamin E administration in the UUO-Vit E group significantly decreased renal tissue lesions and fibrosis. The result of the present study indicated that urethral obstruction leads to severe renal fibrosis and tissue damage and concurrent administration of Vitamin E decreases tissue lesions and fibrosis resulting from the obstruction.   Manuscript profile
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3 - Comparison of apoptosis in canine transmissible veneral tumor (TVT) pre and post chemotraoy with vincristine sulphate
یوسف Doustar داریوش Mohajeri رامین Kafash Elahi

The canine transmissible veneral tumor (CTVT) is a prevalent tumor in canidae. It is transmitted by coitus, forming multiple neoplastic masses on the external genitalia of both sexes within the family canidae. CTVT have an aberrant karyotype and the origin of the neopla More

The canine transmissible veneral tumor (CTVT) is a prevalent tumor in canidae. It is transmitted by coitus, forming multiple neoplastic masses on the external genitalia of both sexes within the family canidae. CTVT have an aberrant karyotype and the origin of the neoplastic cells is undetermined but immunophenotyping suggests that the tumor has a histocytic origin. In this study 10 dogs with canine transmissible veneral tumor were selected and received vincristine sulphate (0.025 mg/kg/b.w) chemotrapy to induce apoptosis in neoplastic cells. Biopsy specimens were collected from tumors during the growth phase, before and again after chemotherapy from the same dogs. The specimens were fixed in 10% formalin and then prepared routinely for H&E and TUNEL assays. Histopathological study of tissue section of CTVT before chemotherapy revealed sheets of uniform neoplastic cells, round to oval in shape with defined cytoplasmic border. There were a few TUNEL positive cells and mitotic figures. In tumor specimens after chemotherapy increased TUNEL positive cells and depilation of neoplastic cells in stroma of tumor were observed. Mean deference of histopathological changes and TUNEL positive cells before and after chemotherapy were significant (p<0.003). This study indicates that vincristine sulphate is capable of induction of apoptosis in neoplastic cells of CTVT. Manuscript profile

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List of Articles رامین Kaffash Elahi