scholarly journals Effect of Pentoxifylline on Apoptosis of Kidney’s Cells Following Acute Methamphetamine Administration in Male Wistar Rats

2016 ◽  
Vol 5 (3) ◽  
pp. 131-38
Author(s):  
Shabnam Movassaghi ◽  
Ali Yousefi Oudarji ◽  
Zahra Nadia Sharifi
Keyword(s):  
Cellular Damage ◽  
Male Rats ◽  
Acute Administration ◽  
The Third ◽  
Significant Difference ◽  
Male Wistar Rats ◽  
Group A ◽  
Histopathological Studies ◽  
Factor Α ◽  
Experimental Group

Objective(s):  Methylenedioxymethamphetamine (MDMA) is a hallucinogenic drug of abuse which is the most popular drugs in the world and has been shown to induce apoptosis in kidney cells. As Pentoxifylline (PTX) increases cAMP and reduces tumor necrosis factor-α, the present study aimed to investigate the effects of pentoxifylline on kidney damage induced by acute administration of MDMA in male rat.Materials & methods: Thirty male rats (250-300 g) were randomly divided into five groups: including control (without any intervention), MDMA group ,the group received 7.5 mg/kg MDMA three times at every two hours for one day ,first experimental group, received 100 mg/kg PTX a week before MDMA administration, second experimental group received 100 mg/kg PTX Just in the time of the third injection of MDMA and the third experimental group received 100 mg/kg PTX followed by one dose of MDMA. Two weeks later, kidneys were removed and prepared for H&E staining, TUNEL and western blot techniques. Results: histopathological studies showed significantly decrease in the kidney cellular damage, in experimental group 1 compared to MDMA group. The number of TUNEL-positive cells was increased significantly in MDMA group. A significant difference was revealed in the mean number of TUNEL-positive cells between the rats treated with PTX before MDMA administration and MDMA group. Expression of active caspase-3 was significantly increased in the MDMA group. While the PTX treatment could significantly decrease when administrated before MDMA injections.Conclusion: Pentoxifylline can significantly reduce the severity of lesions in the kidney following administration of MDMA.

scholarly journals Efeito potencializador do Cymbopogon citratus-Stapf sobre a ação da acetilcolina na contratilidade de músculo liso

1989 ◽  
Vol 11 (11) ◽  
pp. 83
Author(s):  
Ana Maria Külzer ◽  
Amauri Rodrigues da Silva ◽  
Zuleica Tabarelli
Keyword(s):  
Smooth Muscle ◽  
First Record ◽  
Physiological Solution ◽  
Male Rats ◽  
Tyrode Solution ◽  
Cymbopogon Citratus ◽  
The Third ◽  
Significant Difference ◽  
Functional Nature ◽  
Male Wistar Rats

Authors searched actions of Cymbopogon citratus-Stapf aquous extract, 2% concentration, on montility of smooth muscle. It were performed 10 (ten) experiments, each of them consisted of the motility record of a segment of duodenum from male Wistar rats maintained in a Tyrode solution water-bath to isolated organ. Physiological parameters (temperature, pH, oxigen supply) were controled to obtain the functional nature of organ motility. It were realized three records to each experiment in this sequency:           First record: control record (standard) from motility of duodenum smooth muscle in Tyrode bath.           Second record: after addition of 0,5 ml physiological solution before the third record, the bath liquid was entirely substituted and the organ was washed tith Tyrode solution.            Third record: after 15 (fifteen) minutes from the addition of Cymbopogon citratus-Stapf tea 2% concentration, it was add 0,5ml acetylcholine solution (11,8165 Mg in 50 ml physiological solution).It was verified that it shows a significant difference between 2nd and third record groups compared whit control records (first record groups) on smooth muscle motility of isolated duodenum from Wistar male rats.

scholarly journals Parenting Stress and Need Assessment of Families with Disabled Children across Himachal Himalaya

2015 ◽  
Vol 3 (2) ◽  
pp. 38 ◽  
Author(s):  
Randhir S. Ranta ◽  
Vijay Kumar Sharma ◽  
Pankaj Gupta
Keyword(s):  
Parenting Stress ◽  
Assessment Scale ◽  
Control Group ◽  
Disabled Children ◽  
Normal Children ◽  
Need Assessment ◽  
Significant Difference ◽  
Group A ◽  
And Control ◽  
Experimental Group

The study pertains to the parenting stress, which is believed to be the resultant of child disability and further assesses the needs of the families across selected pockets of Himachal Himalaya. Perceived Stress Questionnaire (PSQ) and Need Assessment Scale were used for the purpose. For assessing the stress level among the parents, PQS was administered among two hundred parents having disabled children, herein called experimental group and two hundred parents with normal children, herein called control group. A three point Need assessment scale was used to measure the needs of 200 families on five different parameters. The result of t-test shows the significant difference between experimental and control groups indicating that the parents of disabled children experience more stress than their control counterpart. The study indicates that people need proper guidance and information regarding a child’s disability, nutritional requirements of a child, vocational training and child management. There is a need for proper counselling for parents suffering from stress and creating consciousness among parents of children with disabilities and in the society.

EFFECT OF YOGA ON CARDIOVASCULAR EFFICIENCY

2019 ◽  
pp. 12-16
Author(s):  
Brij Bhushan Singh ◽  
Shubi Mirja ◽  
Samiya Husain
Keyword(s):  
Statistical Technique ◽  
Step Test ◽  
Control Group ◽  
Significant Difference ◽  
Post Test ◽  
Group A ◽  
Cardio Vascular ◽  
Level Of Significance ◽  
Group B ◽  
Experimental Group

The purpose of this study was to investigate the effects of yogic practices on cardio-vascular efficiency. Material and methods: Total Forty (40) subject’s boys/girls were selected as the sample of the study through the random sampling and their age ranged between 20 to 25 years from the Department of Physical Education, Aligarh Muslim University, Aligarh. The subjects were divided into two groups comprising 20 subjects in each group, namely group “A” (the experimental group) performs yogic practices (Asanas, Pranayamas and Kriyas) and group “B” (the control group) served as control. Statistical technique: for the assessment of the cardiovascular efficiency through Harvard step test pre and post-test was conducted and t-test was applied for the analysis. Result: revealed that there exist a significant difference between group A and group B, at .05 level of significance. On the basis of the pre and post-test among experimental and control group, experimental group found better than the control group on cardiovascular efficiency and significant result were found in this study.

scholarly journals Reproductive toxicity of manganese dioxide in forms of micro- and nanoparticles in male rats

2019 ◽  
Author(s):  
Narges Yousefalizadegan ◽  
Zahra Mousavi ◽  
Tayebeh Rastegar ◽  
Yasaman Razavi ◽  
Parvaneh Najafizadeh
Keyword(s):  
Manganese Dioxide ◽  
Reproductive Toxicity ◽  
Male Rats ◽  
Vehicle Group ◽  
Left Testicle ◽  
Mno2 Nanoparticles ◽  
Significant Difference ◽  
Male Wistar Rats ◽  
Chronic Injection ◽  
Stimulating Factor

Background: Manganese Dioxide (MnO2) has long been used in industry, and its application has recently been increasing in the form of nanoparticle. Objective: The present study was an attempt to assess the effects of MnO2 nanoparticles on spermatogenesis in male rats. Materials and Methods: Micro- and nanoparticles of MnO2 were injected (100 mg/kg) subcutaneously to male Wistar rats (150 ± 20 gr) once a week for a period of 4 weeks, and the vehicle group received only normal saline (each group included 8 rats). The effect of these particles on the bodyweight, number of sperms, spermatogonia, spermatocytes, diameter of seminiferous tubes, testosterone, estrogen, follicle stimulating factor, and the motility of sperms were evaluated and then compared among the control and vehicle groups as the criteria for spermatogenesis. Results: The results showed that a chronic injection of MnO2 nanoparticles caused a significant decrease in the number of sperms, spermatogonia, spermatocytes, diameter of seminiferous tubes (p < 0.001) and in the motility of sperms. However, no significant difference was observed in the weight of prostate, epididymis, left testicle, estradiol (p = 0.8) and testosterone hormone (p = 0.2). Conclusion: It seems that the high oxidative power of both particles was the main reason for the disturbances in the function of the testis. It is also concluded that these particles may have a potential reproductive toxicity in adult male rats. Further studies are thus needed to determine its mechanism of action upon spermatogenesis.

scholarly journals Comparison of a novel herbal skin care ointment with regular ointments to treat skin around the abdominal stoma: A clinical trial study

2019 ◽  
Author(s):  
Maryam Hajikari ◽  
Soheila Mojdeh ◽  
Mohsen Shariari
Keyword(s):  
Data Collection ◽  
Herbal Product ◽  
Gastric Ulcers ◽  
Control Group ◽  
Skin Ulcers ◽  
Significant Difference ◽  
Group A ◽  
The Mean ◽  
Experimental Group

Introduction The incidence of gastric ulcers in patients with abdominal stoma is high and affects the quality of patients’ life. Aim To evaluate the effect of Adib herbal ointment containing chamomile rose, black nightshade origin versus Comfeel and Conveen ointments on the skin of abdominal stoma. Material and methods This is a clinical study in which the volunteers were stoma patients. Study group consisted of 52 qualified subjects, 26 were included in the experimental group and 26 in the control group. A 2-part questionnaire was used for the data collection. The 1st part was demographic information. The 2nd part of the data collection was evaluated according to the pressure ulcer scale for healing (PUSH) tool, which used for examining skin ulcers around the stoma. P ≤ 0.05 was considered as a significant. Results and discussion The results of the Mann–Whitney test showed that between the mean score of the total score of the wound before intervention (P = 0.92) and on the 3rd day (P = 0.476), 6th (P = 0.222), 9th (P = 0.11) and 12th (P = 0.418), there was no significant difference between the control and test groups. Also, the Friedman test (intra-group) also showed that between the mean score of the total score of the wound before the intervention and the 3rd, 6th, 9th and 12th days in the control group (P = 0.0001) and in the experimental group (P = 0.0001) There was a significant statistical difference. Conclusions Based on the study, Adib herbal ointment could be recommended for the treatment of stoma to the skin as an herbal product as other common treatments.

Effectiveness of Peer Tutoring Program on Students’ Academic Performance for Engineering Course

2021 ◽  
Vol 6 (1) ◽  
pp. 71
Author(s):  
Fei Ha Chiew ◽  
Clotilda Petrus ◽  
Siti Zaidah Othman ◽  
Joe Davylyn Nyuin ◽  
Ung Hua Lau
Keyword(s):  
Peer Tutoring ◽  
Intervention Program ◽  
Solid Mechanics ◽  
Practical Significance ◽  
Control Group ◽  
Tutoring Program ◽  
Significant Difference ◽  
Group A ◽  
And Control ◽  
Experimental Group

This study investigated the effectiveness of a peer tutoring program that was implemented for Basic Solid Mechanics course, as an intervention program to improve students’ performance in the course. Ten tutors were chosen to provide tutoring services to an experimental group of 36 tutees. Tutees were required to answer an entry test before the intervention program, and another exit test after the program. A control group which shared the same instructor in their lecture classes was included in the study. Comparison between the performances for entry and exit tests of both experimental and control groups were made. Analyses showed an increase in the percentage of students that passed the exit test from the experimental group. The average marks for the experimental group in the exit test also increased, compared to their marks in the entry test. A Mann- Whitney U test conducted indicated a significant difference between the gain scores of the experimental group and control group. A further metaanalysis revealed a large effect size, signaling the practical significance of the results. The findings demonstrated the effectiveness of the peer tutoring intervention program on students’ performance of the course.

scholarly journals Can Collagenase Be Used in the Treatment of Adhesive Capsulitis?

2019 ◽  
Vol 29 (2) ◽  
pp. 174-180
Author(s):  
Nazım Karahan ◽  
Güzelali Ozdemir ◽  
Duygu Kolukısa ◽  
Serda Duman ◽  
Fatih Arslanoğlu ◽  
...  
Keyword(s):  
Single Dose ◽  
Saline Solution ◽  
Adhesive Capsulitis ◽  
Cartilage Damage ◽  
Male Rats ◽  
Collagenase Clostridium Histolyticum ◽  
Joint Cartilage ◽  
The Third ◽  
Significant Difference ◽  
Shoulder Range

Background: The objective of this study was to evaluate the efficacy of subacromial injections of collagenase and corticosteroid in rats with experimentally induced adhesive capsulitis. Method: Thirty adult Wistar albino male rats were distributed into 3 groups of 10 rats each after stabilization of their shoulders for 3 weeks: the first group received a single dose of 0.002 mg (0.25 mL) subacromial collagenase; the second group received a single dose of 1.60 mg (0.25 mL) subacromial steroid, and the third group received a single dose of 0.25 mL subacromial saline solution. One week later, we investigated shoulder range of motions, collagen content of the shoulder, and joint cartilage structure. Results: There was no statistically significant difference in the cartilage damage between the groups (p > 0.05). Fibrosis measurements were significantly lower in the collagenase group than in the steroid and saline groups. There was no significant difference in fibrosis between the steroid and saline groups (p > 0.05). Abduction measurements were significantly higher in the collagenase group than in the steroid and saline groups (p < 0.001). No significant difference in the abduction measurements was observed between the saline and steroid groups (p > 0.05). Conclusion: We observed that subacromial injections of collagenase Clostridium histolyticum effectively treated adhesive capsulitis. The results suggest that this treatment could be considered for use in patients with an intact rotator cuff.

Experimental cardiac necrosis in hypobaric and anemic hypoxia

1975 ◽  
Vol 39 (2) ◽  
pp. 205-208 ◽  
Author(s):  
J. J. McGrath ◽  
B. Ostadal ◽  
J. Prochazka ◽  
M. Wachtlova ◽  
V. Rychterova
Keyword(s):  
White Male ◽  
Male Rats ◽  
Standard Laboratory ◽  
Simulated Altitude ◽  
Subcutaneous Injections ◽  
The Third ◽  
Infant Rats ◽  
Significant Difference ◽  
Standard Laboratory Diet ◽  
Cardiac Necrosis

Resistance to isoproterenol-induced cardiac necrosis (IPRO) was compared in rats exposed to two types of hypoxia (i.e., hypobaric and anemic). IPRO was induced by two consecutive, subcutaneous injections of isoproterenol (80 mg/kg) at 24-h intervals. The animals were killed on the third day and the severity of the lesion was evaluated on a 0 (no damage) to 4 (severely damaged) scale. White male rats (HA) were exposed in a barometric chamber to a simulated altitude of 7,000 m (307 mmHg) for 4 h/day for 24 days. Two groups of control rats were kept at sea level; one group (SLA) was the same age and one group (SLW) was the same weight as the altitude-exposed rats. The HA rats were significantly more resistant to IPRO with a mean necrogenic rating of 1.8 compared to 3.3 for the SLA and SLW rats. Infant rats (AA) were made anemic by feeding full-cream milk and glucose for 100 days after weaning. Two groups of control animals were fed a standard laboratory diet; one group (AC) was the same age and one group (AW) was the same weight as the AA rats. There was no significant difference in the necrogenic ratings of the AA (3.3), AC (3.5), or WC (3.7) hearts. Thus, hypobaric hypoxia affords some protection against IPRO which is not afforded by anemic hypoxia. Similarities and differences in the two hypoxias are discussed.

Prevention of Capsular Contracture with Montelukast After Insertion of Silicone Implants in Rabbits

2016 ◽  
Vol 13 (10) ◽  
pp. 7623-7627
Author(s):  
Zhenyu Jin ◽  
Ki Yong Hong ◽  
Kyung Won Minn ◽  
Hak Chang ◽  
Ung Sik Jin
Keyword(s):  
Breast Implant ◽  
Capsular Contracture ◽  
White Female ◽  
Silicone Implants ◽  
Control Group ◽  
Tissue Samples ◽  
Significant Difference ◽  
Group A ◽  
The Right ◽  
Experimental Group

Capsular contracture is the most common complication after insertion of silicone implants during breast implant surgery. The discovery that myofibroblasts play an important role in the formation of hypertrophic scars led to the development of pharmacological drugs such as zafirlukast, which prevents capsular contracture by resisting the above mechanism. As a result, the author sought to investigate the effect of the anti-leukotriene montelukast on capsular contracture. Ten white female New Zealand rabbits, each weighing approximately 3 kg, were used as subjects. Through bilateral incision of the midback area, the prostheses were inserted on the subpanniculus carnosus plane. Once the silicone prostheses had been inserted, the right implant was injected with 10 mL of montelukast (10 µg/mL), and the left implant was injected with 10 mL of normal saline. Eight weeks after the procedure, the capsular pressure was measured via tonometry using a circular glass piece weighing 42.7 g. The tissue samples were then extracted, and their thicknesses were measured using hematoxylin-eosin stain and Masson trichrome stain. The average pressure was 4.23±0.99 mmHg in the control group and 3.71±0.51 mmHg in the experimental group, a statistically significant difference (p = 0.02). The average capsular thickness was 947.938±300 µm in the control group and 709.672±274 µm in the experimental group, a statistically significant difference (p = 0.028). The author confirmed that montelukast injections during silicone prosthesis insertion decreased the formation of capsular contracture.

Influence of doxorubicin on lipid peroxidation and heart histology in rats

2015 ◽  
Vol 21 (31) ◽  
pp. 33-36
Author(s):  
Джиоев ◽  
Inal Dzhioev ◽  
Джанаев ◽  
Robert Dzhanaev
Keyword(s):  
Low Dose ◽  
Male Rats ◽  
Control Group ◽  
High Dose ◽  
Cardiovascular Toxicity ◽  
Anthracycline Antibiotic ◽  
Cross Striation ◽  
Group A ◽  
Sexually Mature ◽  
Experimental Group

Anthracycline antibiotic doxorubicin, which has proven cardiovascular toxicity, is often used in the treatment of cancer. The research project was carried out in 21 sexually mature Wistar male rats divided into three groups: control group, high-dose experimental group, in which rats were once injected intraperitoneally with doxorubicin hydrochloride at a dose of 10 mg/kg and low-dose experimental group, in which animals twice received intraperitoneal 2.5 mg/kg doses of doxorubicinhydrochloride at 10-day interval.An increase of malondialdehyde was revealed in the membranes of red blood cells in the high-dose experimental group, while in the low-dose experimental group a reduction in the levels of malondialdehyde and plasma hydroperoxides as well as a decreasing of catalase activity was observed. Intake of doxorubicin also causes venous hyperemia in wide areas of myocardiumalong with increasing of cardiomyocytic cross striation.

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