Advanced Biomedical Research
Volume:5 Issue: 3, Mar 2015

Patients experience severe pain after craniotomy surgery that leads to discomfort. Our target in this study that performed in interventional method is an evaluation of sufentanil and paracetamol effect on postoperative pain control in patients undergone craniotomy surgery at Urmia Imam Khomeini Hospital.

Totally, 45 patients between the ages 18 and 65 were studied. The effect of sufentanil and paracetamol medicines in pain management, hemodynamic stability, and side effects compared with control group that were receiving morphine (subcutaneous [SC]) in 3 groups of 15 people at time 0, 2, 4, 12 and 24‑h were evaluated. Collected data were included and monitoring blood pressure, O2 Sat, heart rate (HR) and pain, nausea, vomiting and use of morphine.

According to the analysis of results, there was a significant difference between 3 groups on postoperative pain (P < 0.05). In patients that used sufentanil, pain score of visual analog scale (VAS) is lowest and in the paracetamol group the highest VAS score was seen. There was a significant difference in HR between 3 groups (P < 0.05). Maximum average of HR was observed in the paracetamol group. There was a significant difference in mean arterial pressure between 3 groups (P < 0.05). In paracetamol group, there was the highest value (99.3). There was no significant difference in Glasgow Coma scale and SPO2 between 3 groups (P > 0.05).

Sufentanil compared to morphine (which is routinely used for patients pain control after craniotomy surgery) has better pain control, less nausea and vomiting, and better hemodynamic stability. Although paracetamol has the least nausea and vomiting, it has the lowest quality of pain relief.

Fifty-seven-year-old gentleman, who was a known victim of left-sided clear cell renal cell carcinoma (RCC), presented with isolated huge parietal swelling in left anterolateral aspect of abdomen. He had undergone open left radical nephrectomy 2 years back. Parietal swelling was widely excised and histopathology revealed clear cell RCC, nuclear Fuhrman grade 2.

The effect of the growth hormone on target cells is mediated by the insulin‑like growth factor 1 (IGF‑1). IGF‑1 binds to the insulin‑like growth factor binding proteins (IGFBPs) in blood and biological fluids. Considering the important application of IGBP3 as a drug component, in this research we cloned and expressed the full‑length IGFBP3 in the pET‑11a vector and BL21 (DE3) expression host.

First the sequence encoding of IGFBP3 was designed based on the amino acid sequence of the protein and then by codon optimization, in order to ensure the maximum expression in Escherichia coli. In the next step, the synthetic DNA encoding IGFBP3 was inserted into the pUC57 vector, at the appropriate restriction sites and then subcloned in the pET‑11a expression vector in the same restriction sites. The constructed vector was transformed to E. coli BL21 as an expression host and induced in the presence of IPTG for expression of the IGFBP3 protein. Protein expression was evaluated by sodium dodecyl sulfate polyacrylamide gel electrophoresis (SDS‑PAGE).

Double digestion of the new plasmid (pET‑11a ‑IGBP3) with NdeI and BamHI showed two bands in 873 bp and 5700 bp. To study the accurate cloning procedure, the plasmid was sequenced and its authenticity was confirmed. Also the expected protein band (31.6 kDa) was observed in SDS‑PAGE analysis.

DNA fragment encoding the full‑length IGFBP3 protein was accurately cloned in the pET‑11a expression vector and the recombinant plasmid transformed to E. coli BL21 (DE3) expression host. Results of the SDS‑PAGE analysis verified that recombinant IGFBP3 (31.6 kDa) are successfully expressed under the control of T7 promoter. As we shown pET‑11a can be successfully used for expression of the IGFBP3 protein.

Gold nanoparticles have many industrial applications; moreover, they are photothermic agents for clinical treatment of cancer. This study was provided to investigate the effects associated with different doses of applied gold nanoparticles by injection and contact procedures on the alterations of the serum levels and certain factors in male mice.

72 male mice were randomly assigned into two protocols in terms of touching and injection. The injection protocol was included of five groups: Sham, control, 25, 50, and 100 ppm. They received gold nanoparticles at 25, 50, and 100 ppm concentrations administered in form of 0.3 ml/day for the period of 14 days and that of touching protocol were received 0.2 ml/day gold nanoparticles. Blood sample of which was taken to measure the serum level of creatine kinase phosphate, fasting blood, creatinine, albumin, blood urea nitrogen and eventually, the kidney was dissected for the intent of pathological analysis.

The serum level of creatine kinase phosphate and fasting blood sugar at middle dose was significantly different (P ≤ 0.05) in touching protocol. In both protocols, the serum level of creatinine in high and medium doses showed a significant difference (P < 0.05) associated with the treated group. In the touching method, in high and medium doses administered to the treated group, the alteration was significant (P ≤ 0.05). In the both protocols, the serum level of albumin in high and medium doses of the treated group showed significant difference (P < 0.05). Thus, the gold nanoparticles could result in undesirable effects upon kidney tissue.

The result of this study indicated that the administration of gold nanoparticles by touching method was more effective on the serum levels of these factors than that of injection method.

Polycystic ovary syndrome (PCOS) is one of the most frequent endocrine disorders. The PCOS manifest by hyperandrogenism, hypertension and cholesterol and lipoprotein improper profiles. Changing the life style, e.g. increasing physical activities is the first approach in controlling PCOS.

Twenty-four women affected by polycystic ovary syndrome (PCOS) after medical screening were divided in to two groups: Experimental group (n = 12) and control group (n = 12), with the average age, weight, height, BMI and WHR of 26.87 ± 4.43 years, 75.71 ± 10.65 kg. 159.29 ± 6.44 cm, 29.86 ± 3.22 kg/m2 and 91.75 ± 5.86 respectively. First the body composition such as BMI, WHR, percent body fat, weight and body fat mass were measured. In fasting blood samples the level of HDL, LDL, VLDL, triglyceride and cholesterol were measured. Then the experiment group underwent the effect of an aerobic exercise program. After 12 weeks, all the measured variables before intervention the test were re-measured. Correlated t-test was used for comparing the two groups before and after intervention the test and independent t-test was used for comparing the two groups (P < 0.05).

The results showed that after 12 weeks of exercise, BMI, WHR, fat rate, weight and fat mass and triglyceride had significant reduction and HDL had significant increase. But no significant changes happened in LDL, VLDL, and cholesterol levels.

Reducing the weight by aerobic exercise in obese women and affected by PCOS can correct lipoprotein profile and improving health.

We studied the effects of different doses of gold nanoparticles (AuNPs), silver nanoparticles (AgNPs), and zinc oxide nanoparticles (ZnONPs) on oxidative stress markers including glutathione peroxidase (GPX) and catalase (CAT) on male mice.

Male albino mice of Wistar strain (N = 60), weighing 17-32 g, were used for this study. The mice were randomly assigned to three classes such that in each class, there were four groups of which one was control and the other three groups were fed with ZnONPs and AgNPs at 500, 250, and 125 ppm concentration and AuNPs at 100, 50, and 25 ppm concentration for 15 days. The heart blood was taken to measure GPX and CAT enzyme activities at the end of the treatment.

In male mice treated with AgNPs, the GPX and CAT activities were significantly increased, while significant decreases were seen in the GPX and CAT activities in mice treated with ZnONPs (P < 0.05) and in mice treated with AuNPs (P < 0.05).

The results of this study showed that AuNPs and ZnONPs caused decreased antioxidant enzyme activities, while nanosilver had the reverse effect and increased the antioxidant enzyme activities and caused decreased stress oxidative.

Molecular DNA markers are one of the essential tools in molecular biology labs with varied applications. In the present study, we suggest an efficient and available strategy to produce molecular size marker in routine laboratories.

To achieve the desired sizes of DNA fragments, we recruited PCR and bioinformatics techniques to synthesize 14 DNA fragments ranging from 100 to 3000 bp.

Holistic analysis of different parameters in primers design resulted in amplification of fragments in just one PCR program without any by-product and purification step. Our applied method enables researchers to modify amplified DNA fragments by wide range of chemical modifications toward varied applications.

Method of home-made DNA ladder production by available ingredients and routine techniques reported in this study can be used in common laboratories for different applications.

The aim of the present study was to evaluate whether subantimicrobial doses of doxycycline (DOX) and erythromycin (EM) used for the treatment of peri-implant osteolysis due to their antiosteoclastogenesis can interfere with the osseous wound healing process in rat alveolar socket.

Forty-five male Wistar rats had their first maxillary right molar extracted and were divided into three groups. DOX and EM at the doses of 5 mg/kg/day orally (p.o.) and 2 mg/kg/day intraperitoneally (i.p.) were administered respectively to two separate groups for 7 days after operation. In the control group the animals received normal saline (5 ml/kg). Five rats were sacrificed at 7, 14 and 21 days post-extraction in each study group. A histomorphometric analysis was used to evaluate new bone formation inside the alveolar socket. Significant level was set at 0.05.

The findings showed that the percentage of new bone formation (NBF) enhanced significantly on days 7 and 14. There was no significant difference in the NBF between DOX and EM groups.

Short-term treatment with both DOX and EM enhanced new bone formation without any advances in favor of each drug.

Ependymomas are glial tumors derived from ependymal cells lining the ventricles and the central canal of the spinal cord. Two thirds of ependymomas arise in the infratentorial or intraventricles, whereas one‑third are located in supratentorial space. But supratentorial “cortical” ependymomas are very rare. We report a case of a cortical ependymoma in a 17‑year‑old boy. The patient presented with transient recurrent right weakness and diplopia. This tumor was located in the left parieto‑occipital region and he had gross total excision. Microscopy and immunohistochemistry showed grade III differentiation ependymoma.

Carpal tunnel syndrome (CTS) is the most common entrapment neuropathy that results from compression of the median nerve within the carpal tunnel. In most patients, the diagnosis can be proposed based on patient history and clinical symptoms, with physical findings being attributed only in more severely affected patients. The purpose of this study is to introduce a reliable and accurate method for the proper selection of patients with mild carpal tunnel syndrome (CTS), for surgery.

Electerodiagnostic studies are performed before and after placement of the cuff of the sphygmomanometer at the arm (Cuff sign), at a mean arterial pressure, for three minutes. Thirty symptomatic patients with mild findings on electrodiagnostic studies and 49 asymptomatic control hands have been included.

Fifteen patients reported good pain relief on the first postoperative day (50%), which increased to 21 on the fouteenth postoperative day (70%). The sensory latency changes were significantly higher in the pain relief group, both on the first and fourteenth postoperative days.

Considering the fact that cooperation of the patients is not necessary and the double effects of direct pressure and ischemia over the proximal parts of the median nerve leads to prolonged latencies, this test is a useful method for decision-making in patients with severe symptoms of CTS, despite the mild electrodiagnostic findings.

Serum C-reactive protein (CRP) and ferritin are two acute phase reactants. CRP may be related to metabolic syndrome and ferritin which in turn could cause resistance to insulin and dysfunction of β cells of pancreases. The aim of the study was the evaluation of the relationship of these two acute phase reactants with some indices of diabetic control.

In a quasi-experimental study, 67 patients with type 2 diabetes, serum CRP, ferritin, Fasting Blood Sugar (FBS), post prandial BS, Hemoglobin A1c (HbA1c), triglyceride, Low Density Lipoprotein Cholesterol (LDL) and High Density Lipoprotein cholesterol (HDL) were checked before and 3 months after the control of hyperglycemia and hyperlipidemia.

The mean age of the patients was 56.5 ± 9.7 (30 to 82) years. There was no significant difference between CRP before and after study; however, serum ferritin significantly decreased after study with control of hyperglycemia. FBS, 2 hours post-prandial blood sugar (2hppBS), HbA1c and triglyceride of patients decreased significantly after control of hyperglycemia and hyperlipidemia (P < 0.05); however, HDL and LDL cholesterol didn’t change (P > 0.05).

Based on our results, serum ferritin decreased after decline of patients’ blood sugar, so might be we used it as one of the diabetes control indices for diabetic patients.

Irritable bowel syndrome has significant impacts on the quality of life (QOL) but IBS subtypes may be different in QOL. This study aimed to assess QOL in IBS subtypes and also two prevalent questionnaires applied to evaluate the QOL in IBS.

In this case-control study conducted in Kashan in 2010-2013. One hundred and eighty- eight patients with IBS with 215 of non-IBS patients were included in the baseline. Subjects divided into three subtypes based on symptoms of diarrhea-predominant (IBS-D), constipation-predominant (IBS-C) and IBS with mixed bowel habits (IBS-M) and in each subtype were 42, 62 and 84 patients, respectively. All IBS subjects completed questionnaires containing the disease-specific QOL for IBS (IBSQOL), World Health Organization QOL Assessment-BREF (WHOQOL-BREF) and IBS severity scores (IBSSS). The non-IBS subjects completed the WHOQOL-BREF only.

Mean scores of IBSQOL in person with subtypes of IBS-D, IBS-C and IBS-M were 74.34 ± 19.01, 76.77 ± 22.91 and 73.15 ± 26.51, respectively which was not significantly different (P value = 0.507). As well as mean scores of WHOQOL-BREF in person with subtypes of IBS-D, IBS-C and IBS-M were 81.01 ± 16.23, 88.32 ± 15.66, and 82.65 ± 16.67, respectively, which were not significantly different (P value = 0.412) but mean scores of WHOQOL-BREF in non-IBS subjects was 89.53 ± 11.71 which was significantly different from IBS subjects (P value = 0.022). Strong positive relationship between two instruments was shown (r = 0.826 when P < 0.05).

The WHOQOL-BREF instrument showed poorer QOL in IBS patients. The QOL was not different significantly among IBS-M, IBS-C, and IBS-D subtypes. We found that WHOQOL-BREF instrument strongly correlate with QOLIBS instrument.

This study aimed to find a correlation between increased body mass index (BMI), insulin resistance (IR), hyperandrogenism, and anti‑mullerian hormone (AMH) serum levels with the number of follicles retrieved in polycystic ovary syndrome (PCOS) patients.

The descriptive study was taken on 80 women with average ages of 20‑35 years at Alzahra Hospital of Tabriz‑Iran who referred for in vitro fertilization. Patients were divided into four groups and serum levels of AMH, testosterone and IR were evaluated at the puncture time.

The mean number of follicle retrieved was higher in PCOS (P < 0.05) group than non‑PCOS patients. There was a negative significant correlation of follicle number with BMI (r = −0.26, P < 0.05). The ratio of follicle numbers in PCOS/overweight group decreased in comparison to PCOS/normal weight group (−30%, P < 0.05) while the follicle numbers in non‑PCOS/overweight patients decreased in comparison with non‑PCOS/normal weight (−26%, P > 0.05). There was a significant negative association between BMI with AMH (r = −0.59, P < 0.05), BMI with the follicle numbers (r = −0.2, P < 0.05) and a positive association BMI with ‑IR (r = 0.3, P < 0.05), but there wasn’t a significant correlation between BMI with testosterone (r = 0.1, P < 0.5).

Our finding provides that increasing BMI with direct effect on AMH levels and IR can affect the number of follicles, which are retrieved in these patients.

Current research findings demonstrate that acupuncture, a traditional Chinese medicine, has beneficial effects on several acute and chronic infectious and inflammatory diseases. Acupuncture promotes tissue healing and regulates immune response in various disease conditions. Cutaneous leishmaniasis (CL) is a parasitic disease caused by protozoan from genus Leishmania. Acupuncture is supposed to accelerate healing of CL because of common mechanisms involved in the cure of the CL lesions.

60 BALB/c mice were experimentally infected with L. major strain MRHO/IR/75/ER and divided into three groups: (1) Treatment group received acupuncture 2 times a week for 5 weeks(10 sessions) with intraperitoneal diazepam as a sedative agent. (2) Diazepam control group only received diazepam the same as the treatment group. (3) Control group did not receive any intervention. Size of the lesions was measured before the experiment, on session 5 and 10 and 4 weeks after the experiment. Parasite burden was evaluated by microscopic assay as well as quantitative real‑time polymerase chain reaction technique.

Size of the lesions decreased significantly on session 5 in treated group in comparison with session 0 (P = 0.02) while the size of the lesions increased significantly in two control groups on session 5 and 4 weeks after treatment (P = 0.04 and P = 0.01 respectively). Mean parasite burden did not show a significant difference between or within groups on session 0 and 10 by any methods.

This investigation showed that acupuncture decreased size of the CL lesions by session 5 in the BALB/c mice model, but did not cause a significant reduction in parasite burden.

The smooth muscle contractions of the tracheobronchial airways are mediated through the balance of adrenergic, cholinergic and peptidergic nervous mechanisms. This research was designed to determine the bronchodilatory and B‑adrenergic effects of methanolic and aqueous extracts of root Althaea on the isolated tracheobronchial smooth muscle of the rat.

In this experimental study, 116 tracheobronchial sections (5 mm) from 58 healthy male Sprague‑Dawley rats were dissected and divided into 23 groups. The effect of methanolic and aqueous extracts of the root Althaea was assayed at different concentrations (0.2, 0.6, 2.6, 6.6, 14.6 µg/ml) and epinephrine (5 µm) in the presence and absence of propranolol (1 μM) under one g tension based on the isometric method. This assay was recorded in an organ bath containing Krebs‑Henseleit solution for tracheobronchial smooth muscle contractions using potassium chloride (KCl) (60 mM) induction.

Epinephrine (5 µm) alone and root methanolic and aqueous extract concentrations (0.6‑14.6 µg/ml) reduced tracheobronchial smooth muscle contractions induced using KCl (60 mM) in a dose dependent manner. Propranolol inhibited the antispasmodic effect of epinephrine on tracheobronchial smooth muscle contractions, but could not reduce the antispasmodic effect of the root extract concentrations.

The methanolic and aqueous extracts of Althaea root inhibited the tracheobronchial smooth muscle contractions of rats in a dose dependent manner, but B‑adrenergic receptors do not appear to engage in this process. Understanding the mechanism of this process can be useful in the treatment of pulmonary obstructive diseases like asthma.