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Showing 26 results for Alp

Zohre Mazloom (phd), Hasti Ansar (msc), Fatemeh Karimi (md), Fatemeh Kazemy (msc),
Volume 11, Issue 2 (7-2009)
Abstract

Background and Objective: There is growing evidence that excess generation of highly reactive free radicals, largely due to hyperglycemia, causes oxidative stress, which followed by further exacerbating the development and progression of diabetes and its complications. The purpose of the present study was to determine the effect of alpha-lipoic acid (ALA) on blood glucose and HbA1c in type 2 diabetic patients.

Materials and Methods: In this clinical trial study, fifty-seven type 2 diabetic patients (14 male and 43 female) with the mean age of 53.5 years old were involved in this study. Upon arrival, subjects were randomly divided into either experimental (n=29) or control (n=28) groups. Experimental group received 300 mg alpha-lipoic acid daily for eight weeks where control group received placebo for eight weeks. After an overnight fast patients' blood samples, were drawn and analyzed for fasting blood glucose, 2 hours post-prandial glucose and HbA1C. In addition, antropometric indeces for each subject was measured at the beginning and at the end of the study.

Results: There is no significatn differnces regarding weight and BMI in two groups before and after intervention. Also our findings indicated significant decrease in fasting and post-prandial glucose level, in experimental group, after intervention (p<0.05), but no significant change was seen in HbA1c level. There were no significant changes in parameters measured in control group. There was also a significant decrease in fasting blood glucose in experimental group when compared to control group (p<0.05), but there is no significant changes in HbA1c level.

Conclusion: This study showed that alpha-lipoic acid supplement as an important antioxidant reduce blood glucos concentration in type 2 diabetes.


Majid Shohrati (phd), Navvab Shamspour (msc), Afshin Mohsenifar (phd), Mostafa Ghanei (md),
Volume 11, Issue 4 (12-2009)
Abstract

Background and Objective: Alpha-1 antitrypsin deficiency is recognized as a etiological base in lung injury. Therefore this study was performed to determine plasma level of alpha-1 antitrypsin in war victims exposed to sulfur mustard gas. Materials and Methods: This historical cohort study was done on 100 incident was survivors from Sardasht, West of Iran who were exposed to sulfur mustard gas in 1987. Fifty non exposed civilians subjects were selected as control. Phonotype and of alpha-1 antitrypsin and trypsin inhibitory capacity (TIC) were measured. Results: Phonotype of alpha-1 antitrypsin in patients and control group were normal (MM) and the mean of trypsin inhibitory capacity in patients group was 3.4±0.3 μmol/min/ml which lower than control group 4.2±0.1 μmol/min/ml (P<0.05). Conclusion: This study showed that activity of alpha-1 antitrypsin in patients with lung injuries reduced due to sulfur mustard gas.
Mansour Moghimi (md), Hamid Reza Soltani, Ehsan Fotouhi, Mohsen Taghavi Shavazi (md),
Volume 11, Issue 4 (12-2009)
Abstract

The prevalence of struma onset in uterine tube is lower than ovary’s stuma. In this report a 63 year old woman was referred to main hospital in the city of Yazd, Iran in 2008. The patient referred with abdominal swelling in pre-umbilical and supra pubic region associated with losing weight and frequent constipation since 5 years ago. After the hospitalization the patient underwent the laparatomy. in pathology report the masses was struma ovarii and mature cystic teratoma associated with struma salpingi and peritoneal steremosis. Special demonstration accompanied struma salpingi in this case are struma ovarii and multiple vesicular vegetasion in choledosac, Peritoneum and bladder. This report was a very rare case of struma salpingi accompanied with struma ovarii and steremosis.
Tehranipour M, Javadmoosavi Bz (msc), Kehtarpour M, Khayyatzade J,
Volume 13, Issue 1 (3-2011)
Abstract

Background and Objective: Neurons are injured under physical, chemical and pathological conditions. The effects of injuries in peripheral nervous system returns as retrograde to the cell body of neurons in central nervous system and causes brain and spinal degeneration. This study was done to evaluate the effect of aquatic extract of Cannabis sativa leaves on degeneration of alpha motoneurons in spinal cord after sciatic nerve compression in Rats.

Materials and Methods: This experimental study was carried out on thirty two male Wistar rats, weighing 300-350 grams. Animals were divided into four groups each consisting eight members A: control, B: compression, C: compression + treatment with 25 mg/kg aquatic extract, D: compression + treatment with 50 mg/kg aquatic extract. In order to induce compression in B, C and D, after cutting the right thigh muscle, Sciatic nerve of thigh was exposed to compression for 60 seconds using locker pincers. The first extract injection was done intraperitoneally immediately after compression and the second intera peritoneal injection was done 7 days later. 28 days after compression, the Lumbar spinal cord were dissected, fixed and stained with toluidine blue. The density of alpha motoneurons was measured using dissector and stereological methods. Data was analyzed with using Minitab-13 software, ANOVA and Tukey tests.

Results: Neuronal density was 611.5±34.2 and 1633.4±30.7 in compression and control groups respectively (P<0.001). There was a meaningful statistical increase in neuronal density of group C (1278.6±28.1) in comparing compression group (P<0.001). The neuronal density in group (D) (1549.8±87.7), significantly increased in comparison with group (B) (P<0.001).

Conclusion: This study showed that aquatic extract of Cannabis sativa leaves increases the density of alpha motoneurons in spinal cord after sciatic nerve compression in Rats. The increase in neuronal density is relevant to the amount of extract used.


Akhavan-Niaki H (phd), Pourtaghi M (md), Firouzjahi Ar (md), Banihashemi A (bsc), Sedaghat S (md),
Volume 14, Issue 1 (3-2012)
Abstract

Background and Objective: Alpha thalassemia is one of the most common hemoglobin disorders. Some combination of alpha globin gene mutations may cause HbH disease with severe anemia or intermediate thalassemia. genotype common deletions are routinely tested for suspicious alpha thalassemia couples but because of lack of information about the nature and frequency of point mutations and higher expenosor of sequencing, less attention was paid to them. This study was done to determine the prevalence of common point mutations of alpha globin gene in Babol, Iran.

Materials and Methods: This descriptive study was carried out on DNA of 153 adult suspected to α-thalasemia with deleted α- golobolin gene referred to genetic laboratory in Babol, Iran during 2005-09. a1 and a2 genes were amplified by using specific biotinilated primers by PCR method. PCR products were assayed using 11 specific probs corresponding to common point mutations in alpha gene (C19, IVSI (-5nt), C59, Hb constant spring, Hb Icaria, Hb seal Rock, IVSI (148), C14, poly A (-2bp), poly A2, Poly A1) and fixed on byodine C membrabe. Hybridization between the probes and PCR products was visualized after a colorimetric reaction using of conjugated streptavidin peroxidase and TMB (tetra methyle Benzidine) and H2O2.

Results: The prevalence of point mutations in poly A2, 5nt, Hb constant spring and poly A1 were 28.75%, 14.38%, 7.84% and 2.61%, respectively.

Conclusion: Point mutation in alpha globin genes was detected in %53.60 out of 153 adults suspected with alpha thalassemia without common deletion mutations.


Valizadeh F (md), Mousavi A (bsc), Hashemi-Soteh Mb (phd),
Volume 14, Issue 1 (3-2012)
Abstract

Background and Objective: According to world health organization statistics, at least 5.2% of world population is carrier for a main hemoglobin disorder. Previous reports showed that more than 10% of people are carrier for beta-thalassemia Northern Iran. This study was done to determine the prevalance of hemoglobinopathies in premarriage individuals referred to Babolsar, Iran.

Materials and Methods: This descriptive study was carried out on 8500 individuals  (4200 women and 4300 men) whome were attended the thalassemia counseling program in Babolsar, North of Iran during 2006-09. After performing the CBC test, for those MCV and MCH were less than 80 and 27 respectively, Hemoglobin A2 was evaluated. Subjects whome were volunteers for more comprehensive tests, basic and acidic electrophoresis and genetic tests were applied, subsequently.

Results: 1200 (14.11%) subjects had low hematological indexes. 474 (5.57%) subjects had high HbA2 and were classified as beta-thalassemia carriers and 726 (8.54%) had normal HbA2 level and were classified as alpha-thalassemia carriers. 6 (1.2%) subjects were identified with HbF level more than 10 and were identified as carriers for beta-gene cluster deletion carrier. Also, 16 (3.2%) individuals had HbE, 16 (3.2%) had HbS, 4 had HbD and 4 had HbH (0.33% in 1200 and 0.047% in 8500 subjects). Genetic study of 317 individuals for beta carriers and 145 subjects for alpha-carriers showed IVSII-1G>A (74.5%) in beta-globin and single gene deletion of 3.7 (47.5%) in alpha-globin genes were the most frequent mutations.

Conclusion: This study showed that carriers for alpha - thalassemia (8.5%) are more frequent compared with beta- thalassemia (5.57%). Also other hemoglobin variants included HbS, HbE, HbD or different beta-gene cluster deletions in the region are considerable and should be screened.


Alipanahzade H, Soleimani M, Soleimani Asl S , Mehdizadeh M, Katebi M,
Volume 14, Issue 3 (10-2012)
Abstract

Background and Objective: Ischemia-reperfusion invoke cell death in hippocampus. This study was carried out to investigate the effect of transforming growth factor alpha (TGF-alpha) of dentyte jyrus neurons and pyramidal cells of CA1 subfiled of hippocampus following ischemia-reperfusion in rat models. Materials and Methods: This experimental study was done on 40 male Wistar rats weighing 250-300gr. Animals were divided in four groups: control (n=7), sham (n=7), ischemia (n=14) and treatment (n=14). Sham group was just under surgical stress. In ischemia and treatment groups after induction of ischemia-reperfiusion by obstruction of carotid arteries blocked for 30 minutes, reperfusion PBS (phosphate buffer salin) and subsequently TGF-alpha (50 ng) were injected stereotaxicaly in lateral ventricle, respectively. In 12 and 72 days after treatment the brains were fixated by transcardial perfusion and stained by immunohistochemestry and nissle methods. Furthermore, morris water maze was used to evaluate the learning memory. Data were analyzed using SPSS-16 and ANOVA test. Results: Injection of TGF-alpha increased the cell number in hippocampus of treatment group compared to ischemic group. TGF-alpha increased expression of neuron in dentyte jyrus of treatment group in comparison with ischemic group (P<0.05). Also spatial memory improved in treatment group in comparison with ischemia group. Conclusion: TGF-alpha improves ischemia-induced neurodegenration and memory impairment.
Golmohammadi R, Mohammad-Zadeh M, Pejhan A,
Volume 15, Issue 3 (10-2013)
Abstract

Background and Objective: Antiepileptic drugs can partiality control or achieve the convulsion. There are controversial issues about the use and effect of ethanol to control epileptic convulsion seizers. This study was done to determine the effect of ethanol on microvascular alterations in the brain cortex of epileptic mice treated by valporic acid (VPA). Materials and Methods: In this experimental study, 36 BALB/c mice were allocated randomly into six groups including: 1-PTZ (Pentylenetetrazol), 2- Ethanol, 3- VPA+ PTZ, 4- ethanol + PTZ, 5-ethanol+ VPA+ PTZ and control groups. The animal brains were excluded and stained by Hematoxilin and eosin. Thirty-six optical microscopic field from each group were selected and microvascular count were determined. Immunohistochemical method was used for detection of injuries in the vascular brain tissue. Results: Mean number of brain microvascular cortex significantly increaed in PTZ+ethanol and PTZ+ethanol+VPA groups in compare to controls (P<0.05). Infiltration and thrombophlebitis were observed in vessels and cortical brain tissues in mice which received ethanol and PTZ. Proliferations in endothelial vascular cells were seen in PTZ and VPA+ethanol groups. Immunohistochemical method showed the endothelial cells of PTZ+ethanol groups were more stained in compare to the other experimental groups. Conclusion: Ethanol + PTZ cause cellular infiltration and damage to the cortical brain vessels although VPA reduces histological altheretions.
Aghagolzade Haji H, Khoshbin Khoshnazar Ar, Gharaei R, Javan B, Asadi J,
Volume 16, Issue 3 (10-2014)
Abstract

Background and Objective: Valproic acid is used in the epilepsy, bipolar and migraine therapy. As a histone deacetylase inhibitor, Valproic acid has been recently under investigation in cancer treatment, either alone or in combination with either chemotherapy or radiotherapy. This study was done to determine the effect of Valproic acid and radiotherapy on viability of MCF-7 breast cancer cell line. Methods: In this descriptive - analytic study, MCF-7 cell line was obtained from the Iranian Pasteur Institute. The cells were treated and incubated by different concentrations of Valproic acid (1, 2, 4, 8, 16, 32, 64 and 128 mM) either alone or in combination with various dosages (0 .5, 2, 4, 6 and 8 Gray) of radiotherapy. After cell viability assay, using the Neutral red staining, the most nearest results to LD50 were selected. Cell viability was evaluated with trypan blue staining. Results: The most nearest concentrations of LD50 was doses of 2, 8 and 16 mM of valproic acid and dosage of Gray 4 of radiation. There was a significant dose-dependent correlation between reduction of cell viability with valproic acid concentration (P<0.05). Conclusion: Valproic acid, either alone or combination with radiotherapy caused a significant decline in the cell viability of MCF-7 breast cancer cell line.
Vahidi S , Khalili M, Kiasalari Z, Yaghoutpoor E,
Volume 16, Issue 4 (12-2014)
Abstract

Background and Objective: Anxiety and depression are experienced following addicted patients durg withdrawal. This study was done to determine the effect of methadone and valproate combination on morphine withdrawal-induced anxiety and depression in male mice. Methods: In this experimental study, ninety-eight male mice were allocated into acute and chronic categories. Animals in acute chronic categories allocated into seven groups including: saline, morphine, methadone (10 mg/kg/bw), valproate (150 mg/kg/bw), three groups of valproate+methadone, in of ratio 1:1, 2:1 and 1:2. Animals were received escalating dose of morphine for 8 consecutive days except saline group. In chronic group, drugs were injected for 30 minutes before morphine administration, while in acute group the drugs were used only at day 8. Anxiety and depression due to naloxone injection (5 mg/kg/bw) was investigated by elevated plus-maze, tail-suspension and open field tests. Results: In the chronic group, valproate + methadone (2:1) combination therapy showed a significant increase in the percentage of open arm entries (53.86±1.9) and percentage of time spent in the open arm (58.58±4.15) compared to the morphine group, with a percentage of entering (28.12±2.03) and percentage of time (17.88±1.77) (P<0.05). In open field test, the ratio of the number to the duration of time spent in the central square, in the combination therapy groups of methadone+valproate (27±2), valproate+methadone (1:2) and valproate+methadone (2:1) were significantly increased in compare to the morphine group (P<0.05). In tail-suspension test, duration of immobility as an indicator of depression, in the treatment group of valproate+methadone (2:1) was significantly reduced (P<0.05). Conclusion: Valproate and methadone combination therapy particularly in ratio of 2:1 can reduce morphine withdrawal-induced anxiety and depression in animal model.
Daryanoosh F, Shkibaie M, Zamanie A, Mohammadi M,
Volume 17, Issue 3 (10-2015)
Abstract

Background and Objective: Alpha lipoic acid (ALA) is a powerful biological antioxidant which is involved in metabolism and energy production as a co-factor in mitochondrial dehydrogenase enzyme complex. This study was done to evaluate the effect of aerobic exercise and alpha lipoic acid supplement on insulin resistance in females with type 2 diabetes. Methods: In this quasi-experimental study, 44 females with type 2 diabetes divided into four groups including: control, supplementation, training and supplementation + training groups. Patients of supplementation and complex (supplementation + training) groups took three 100mg ALA capsules per day for eight weeks. The training program consisted of 8 weeks and three sessions per week. In each session, the subjects warmed up for 10-15 minutes, ran on a treadmill with the intensity of 40-50% of maximum heart rate for 30 minutes and then cooled down for 5-10 minutes. Blood samples were taken after 12-14 hours fasting in two stages - the beginning and the end of the eighth week. Results: Eight weeks of taking ALA supplements significantly reduced patients' insulin resistance (P<0.05). Eight weeks of running on a treadmill with an intensity of 40-50% of maximum heart rate non-significantly reduced insulin resistance in the training group compared to the controls. In the supplementation + training group a significant reduction of insulin resistance was observed (P<0.05). Conclusion: Alpha lipoic acid supplementation reduces insulin and insulin resistance. While, reduction in fasting blood glucose level causes reduction in insulin resistance in the combination of supplementation and training.
Mahdavi Mr , Kosaryan M, Karami H, Mahdavi M, Jalali H, Roshan P,
Volume 17, Issue 4 (12-2015)
Abstract

Background and Objective: Alpha Thalassemia is one of the most prevalent hemaglobinophaties worldwide. Alpha thalasseima patients may represent wide spectrum of symptoms ranging from asymptomatic to severe life threatening anemia. This study was done to assess the carrier frequency of alpha globin gene mutations among newborns in north of Iran. Methods: In this descriptive study, 412 cord blood samples of neonate from Amir Mazandari hospitali were randomly selected during 2012. Genomic DNA was extracted using phenol-chloroform method. Multiplex Gap- PCR and PCR-RFLP methods were applied in order to detect three common gene deletions, one triplication and one point mutation. Results: Total allelic frequency of investigated mutations was 0.0825. The -α3.7 deletion with allelic frequency of 0.0485 was the most prevalent mutation among 412 neonates. Allelic frequencies of -α4.2, αααanti3.7 triplication and α-5nt mutations were 0.0206, 0.0109 and 0.0024 respectively and -Med double gene deletion was not detected. Conclusion: Most mutated cases had single gene deletion that is asymptomatic while -Med double gene deletion was not detected among the neonates. Therefore, there is low probability of a child birth with Hb H disorder in the region.
M Afrasiabie , M Mokhtari,
Volume 18, Issue 4 (12-2016)
Abstract

Background and Objective: Gentamicin can cause cell destruction by generating active oxygen species leading to hepatotoxicity. This study was done to determine the effect of Dianthus carryophyllu extract on the Gentamicin induced hepatotoxicity in Wistar rats.

Methods: In this experimental study, 49 mature wistar rats, were randomly allocated into 7 groups including, control; Sham (saline interaperitonely); experimental group 1 was treated with 100 mg/kg/bw clove essence; experimental group 2 were received 100 mg/kg/bw of Gentamicin; and experimental groups 3, 4 and 5 were received 100 mg/kg/bw of Gentamicin along with 25, 50 and 100 mg/kg/bw of hydro alcoholic extract of Dianthus carryophyllu (clove), respectively for 28 days. Blood samples were taken and serum activities of Alanine Aminotransferase (ALT), Aspartate aminotransferase (AST), alkaline phosphatase (ALP) and serum concentration of total protein and albumin were measured.

Results: The serum level of aspartate transaminase and Alanine transaminase significantly increased in experimental group 2 in compared to the sham and control groups (P<0.05). Alkaline Phosphatase concentration significantly reduced in experimental groups 2 and 3 in comparision with sham and control groups (P<0.05). Albumin and total protein concentration significantly reduced in experimental groups 2 and 3 in compare to the sham and control groups (P<0.05). In histological examination, cell necrosis, fat accumdation and mononocular cell accumulation reduced in experimental groups 5 in compare to Gentamicin treated group.

Conclusion: Dianthus carryophyllu hydro alcoholic extract is able to protect against enzyme alterations and hepatotoxicity induced by Gentamicin.


Z Amini-Farsani , Mh Sangtarash , H Teimori , M Shamsara ,
Volume 19, Issue 3 (10-2017)
Abstract

Background and Objective: Ovarian cancer is the fifth common cancer among women and the number of new cases is increasing. Valproic acid is a histone deacetylase inhibitor effectively used to treat epilepsy and bipolar disease. Recently, this compound has attracted attention as an anti-cancer agent. Bim is one of the most important genes of mitochondrial pathway of apoptosis, and it plays an important role in the biology of cancer. Expression of this gene is greatly reduced in ovarian cancer. This study was done to evaluate the effect of valproic acid on the viability of ovarian cancer cells, apoptosis and Bim gene expression in A2780 line.
Methods: In this experimental study, the human ovarian cancer cells (A2780) were grown in RPMI-1640 medium in appropriate culture conditions. The cells were treated by various concentrations valproic acid (1-30 mM) and were incubated for 24, 48 and 72 hours. After the incubation of period, cell viability was investigated using MTT. Apoptosis was analyzed by flow-cytometry method in the cells were treated by valproic acid. The Real time PCR test was used to assess the effect of this drug on the expression of Bim gene.
Results: The results of MTT assay showed that valproic acid reduced the viability of A2780 cells, and this effect was time and dose-dependent. The reduction of cell viability at 30 mM concentration and 72 hours after treatment, was maximum and statistically significant (P<0.05). Exposure to valproic acid significantly increased the percentage of apoptotic cells (P<0.05). Also, Valproic acid significantly increased the expression of Bim (P<0.05).
Conclusion: Valproic acid reduced viability in ovarian cancer cell line A2780. Valproic acid increased cell death by altering the expression of genes involved in apoptosis in ovarian cancer cell line A2780.
Noshin Yazdani , Seyyed Ebrahim Hosseini ,
Volume 20, Issue 2 (7-2018)
Abstract

Background and Objective: Aloe Vera is considered as one of herbs causes oxidative indexes modification due to antioxidant properties. On the other hands, High-fat diets (HFD) cause liver disorders prevalence. This study was done to evaluate the protective effect of hydro-alcoholic extract of Aloe Vera gel on enzymes and liver tissue structure of high-fat diet rats.
Methods: In this experimental study, 40 adult male rats were allocated in five groups including control, sham (HFD 10 ml/kg) and three experimental groups receiving HFD with doses of 150, 300 and 600 mg/kg/bw of Aloe Vera gel extract. Prescriptions were conducted by gavage and for 60 days. Blood samples were collected to measure AST, ALT and ALP enzymes. Liver removed subsequently and following preparing tissue sections liver cells were counted.
Results: High-fat diet significantly increased ALP and ALT enzymes (P<0.05). High-fat diet significantly increased the number of Kupffer cells and reduced of hepatocytes in compared to control group (P<0.05). High-fat diet caused liver tissue alterations including blood congestion, inflmation; Vacuole breakdown, apoptosis, and ballooning of hepatocytes. On the other hand, the consumption of Aloe Vera with high-fat diet caused reduction in tissue changes and a significant decrease in the serum levels of ALP and ALT enzymes in compared to control group (P<0.05).
Conclusion: High-fat diet by damaging the liver tissue  increased  the serum levels of ALP and ALT enzymes and Aloe Vera extract with its anti-oxidant characteristic prevent the effect of a high-fat diet on the liver tissue and reduced the ALP and ALT enzymes.
Sedigheh Acadi Ahangar , Masoumeh Habibian ,
Volume 20, Issue 3 (10-2018)
Abstract

Background and Objective: The comorbidity of type 2 diabetes mellitus (T2DM) and hypertension may exacerbate chronic inflammation and regular exercise training considered as an important therapeutic approach for such patients. This study was done to evaluate the eight weeks effects of regular exercise training on apelin and tumor necrosis factor alpha (TNF-a) plasma levels in hypertensive postmenopausal women with T2DM.
Methods: This quasi-experimental study was conducted on 20 postmenopausal women with hypertension and T2DM. Subjects non-randomlly allocated into intervention and control groups. Training program consisted of 25-40 minutes of aerobic exercise at 50-70 percent of maximal heart rate, 3 sessions per week for 8 weeks. The plasma level of apelin, TNF-a and glucose was measured, subsequently.
Results: 8 weeks exercise training was significantly reduced apelin, TNF-a, and glucose levels in the intervention group compared to the control group (P<0.05).
Conclusion: Aerobic exercise can mediate some of its favorable effects on hypertension pathological conditions associated with type 2 diabetes mellitus by reducing plasma apelin and TNF-a levels.
Fahimeh Mirzaali , Amirreza Ahmadinia , Gholamreza Roshandel ,
Volume 21, Issue 3 (10-2019)
Abstract

Background and Objective: Gingival recession is a common disease leads to esthetic problems, increased sensitivity of teeth and root caries. This study was done to determine the prevalence of gingival recession in dental students with high level of oral hygiene.
Methods: This descriptive-analytic study was performed on 214 dental students of Golestan University of Medical Sciences, Gorgan, Iran during 2017-2018. After collecting demographic information, clinical examination including Oral Hygiene Index (OHI) and Gingival Index (GI), Severity of gingival recession, width of keratinized gingival, attachment of frenulum, toothbrush trauma, tooth malpositions, periodontal diseases and other iatrogenic factors was measured.
Results: Prevalence of gingival recession was 23.8% .Class 1 and 2 of gingival recession was 84.62 % and 15.38%, respectively. Class 3 and 4 of gingival recession did not observe in any subjects. Toothbrush trauma was the most etiologic factor in 35.4% of dental students suffering of gingival recession (P<0.05). Also, dental malposition with 20.83%, loss of keratinized gingival with 14.58%, orthodontics procedures with 12.5%, periodontal diseases with 10.4% were the other factors in gingival recession.
Conclusion: Toothbrush trauma and dental malposition are the most important etiologic factors in dentistry students suffering from gingival recession.

Ali Ahmadi , Ali Akbar Niknejad , Masoumeh Habibian ,
Volume 22, Issue 4 (12-2020)
Abstract

Background and Objective: The acute exercise leads to the induction of some cardiac and inflammatory biomarkers that are related to factors such as severity, type, training experience, gender and environment. This study was conducted to compare the effect of acute endurance and resistance training at two different intensity levels of high-sensitivity cardiac Troponin T (hs-cTnT) and tumor necrosis factor alpha (TNF-α) in male runners and bodybuilders.
Methods: In this quasi-experimental study, 20 male runners and bodybuilders with an age range of 20-24 years were purposefully and accessibly selected. The study was performed with a pre-test-post-test design on 10 male runners (endurance training) and 10 bodybuilding men (resistance training). The runners ran 6 km with moderate (70-75% of reserve heart rate) and high (85-85% of reserve heart rate) intensities at intervals of one week, during separate sessions. Bodybuilders also performed resistance training at moderate (70-75% of one repetition maximum) and high (80-85% of one repetition maximum) intensities.  Bodybuilders also performed resistance training at moderate (70 to 75% of a maximum repetition) and high (80 to 85% of a maximum repetition) intensities. Blood samples were taken before and immediately after exercise. Then the serum levels of hs-cTnT and TNF-α were measured.
Results: The serum level of hs-cTnT and TNF-α was significantly increased after acute running and resistance training with moderate and high intensities (P˂0.05), but intense acute exercise had a greater effect on increasing the levels of these variables. Also, the acute effect of intense aerobic exercise was associated with a greater increase in hs-cTnT level in compared to moderate-intensity aerobic exercise, high and moderate-intensity resistance training (P˂0.05).
Conclusion: In endurance and resistance athletes, the hs-cTnT and TNF-α responses are affected by the intensity of training and increase more with intense training. But the high intensity aerobic exercise is associated with a greater increase in hs-cTnT levels.
Soren Valafar , Eidy Alijani , Fariba Aghaei , Mahsa Mohsenzadeh ,
Volume 24, Issue 1 (3-2022)
Abstract

Background and Objective: Type 1 diabetes (T1D) is highly prevalent in the group of autoimmune and inflammatory patients. Tumor necrosis factor-alpha (TNF-a) and interleukin-10 (IL-10) plays an important role in regulating complex interactions between pancreatic beta cells and immune cells in the development of T1D. This study was performed to determine the simultaneous effect of resistance training and endothelial progenitor cell injection on blood glucose levels and protein expression of proinflammatory factors TNF-a and IL-10 in muscle tissue of streptozotocin (STZ) induced diabetic male rats.
Methods: In this experimental study, 36 male Wistar rats weighing approximately 200±20 g and six weeks old were randomly divided into six groups. Induction of diabetes was performed by intraperitoneal injection of STZ at a dose of 45 mg/kg body weight. Groups included diabetes + stem cell injection + resistance training group, diabetes + resistance training group, diabetes + stem cell injection group, control diabetic group to control the passage of time, and healthy basal and diabetic groups for defaults. Exercises were performed for 17 sessions of resistance training, including climbing ladders with increasing weight three days a week in the same laboratory conditions. Endothelial progenitor cells were cultured by femoral bone marrow aspiration and culture and then injection into the tail vein. 68 hours after the last training session, blood glucose levels were assessed by ELISA and the expression of TNF-a and IL-10 protein in muscle tissue was assessed by Western blotting.
Results: Endothelial stem cell injection, resistance training and resistance training with the simultaneous injection of endothelial stem cells significantly increased the anti-inflammatory factor IL-10 in the skeletal muscle tissue of diabetic rats in compared to control group (P<0.05). Expression of the anti-inflammatory factor IL-10 in the skeletal muscle tissue was significantly increased in resistance training plus the simultaneous injection of endothelial stem cells group in compared to injection of stem cells and resistance training groups (P<0.05). Glucose concentration in the skeletal muscle tissue was significantly reduced in resistance training plus the simultaneous injection of endothelial stem cells group in compared to injection of stem cells and resistance training groups (P<0.05).
Conclusion: It seems that 17 sessions of resistance training reduces blood glucose level and improves inflammatory conditions in response to an increase in IL-10 and a decrease in TNF-a in a group of diabetic rats with resistance training and simultaneous injection of endothelial progenitor cells in diabetic male rats.
Vakil Nadimi , Shohreh Taziki , Fatemeh Kolangi , Mohammad Mazandarani , Zahra Memariani ,
Volume 24, Issue 3 (10-2022)
Abstract

Background and Objective: The liver is the main organ involved in the metabolism of various drugs and toxins. Thus, it is highly vulnerable to damage caused by drugs and toxins. Alpinia officinarum belongs to the Ginger family and has been used in traditional Iranian medicine for its therapeutic effects on the digestive system, including strengthening the function of the stomach and organs, improving digestion and reducing bloating. In addition, the plant has anti-hyperlipidemic, anti-inflammatory, antiviral, antibacterial, anticancer and antioxidant properties. This study investigated the hepatotoxic effects of Alpinia officinarum rhizomes aqueous extract in male Wistar rats.
Methods: This experimental study was performed on 35 male Wistar rats that were randomly allocated into 5 groups of 7. Four groups received 100, 200, 400 and 800 mg/kg of the extract for 28 days, while a group did not receive the extract (control group). Tissue sections (5 microns) were stained by hematoxylin and eosin at the pharmacology laboratory of Golestan University of Medical Sciences. The groups were examined for liver tissue pathology, and the level of liver enzymes including aspartate aminotransferase (AST), alanine transaminase (ALT) and alkaline phosphatase (ALP) was measured by Pars Azmoun ELISA kit.
Results: Administration of the aqueous extract of Alpinia officinarum rhizome for 28 days by gavage increased the level of AST, ALT and ALP in the serum of rats. Tissue damage was observed in most groups receiving the extract.
Conclusion: The results show that consumption of the aqueous extract of Alpinia officinarum rhizome at a dose of more than 100 mg/kg can cause liver damage and is lethal at a dose of 800 mg/kg.
 

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مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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