Lignani biljne vrste Achillea lingulata

Five lignans with a 2.6-diaryl-3.7-dioabicyclo[3,3.0]octane skeleton epieudesmin. kobusin, pinoresinol. fargesin and sesartemin, were isolated from the aerial parts and roots, of Achillea lingulata. Their structures were identified by comparison of their H-1-NMR and MS data to those in the literature. Fargesin and pinoresinol have not been isolated previously from any species of the genus Achillea.Iz nadzemnog dela i korena biljne vrste Achillea lingulata izolovano je pet lignana 2,6-diaril-3.7-dioksabicikloŠ3.3.0Ćoktanskog tipa. To su epieudesmin, kobusin, pinorezinol, fargezin i sezartemin. Izolovani lignani su identifikovani na osnovu identičnosti wihovih NMR i masenih spektara sa spektrima iz literature. Fargezin i pinorezinol nisu bili do sada izolovani iz biljnih vrsta roda Achillea

Potential Value and Disadvantages of Fine Needle Aspiration Cytology in Diagnosis of Ameloblastoma

Ameloblastoma is a benign, slow growing but locally aggressive tumor that is clinically manifested as swelling in a jaws1. Prone to relapse (30%)2 even 30 years after inadequate primary operation3. The most important cytological features of this tumor are small bazaloid cells in clusters, and single spindle and stellate shaped cells. We report on a case of 79-year-old patient, who was hospitalized due to tumor formation in the buccal region. FNA was performed and liquid material that contained only fagocites was collected. The conclusion was – cyst, while biopsy finding – adenoma baseocellulare, pointed to the salivary gland tumor. Patient refused the proposed surgical treatment. Four years later, the patient was urgently hospitalized due heavy bleeding from the tumor in the same region. It affected the crest portion of the upper jaw and a section of hard palate, and was bleeding on palpation.In second FNA we found phagocytes and a few small clusters of basaloid cells with palisade arrangement at the edges. Because of uniform and benign cytomorphological features it was concluded that it was a cystic tumor. On biopsy pattern the diagnose of ameloblastoma was determinated. The patient underwent surgery, however due to postoperative complications he died. Preoperative diagnosis is usually set on the basis of clinical and often nonspecific radiological findings. As it is very important to get the correct diagnose before planning an adequate surgical procedure, we would like to point out the potential value and disadvantages of FNA cytology in the diagnosis of ameloblastoma

Investigation on Malondialdehyde, S100B, and Advanced Oxidation Protein Product Levels in Significant Hyperbilirubinemia and the Effect of Intensive Phototherapy on these Parameters

BackgroundThe parameters of oxidative stress [advanced oxidation protein products (AOPPs), malondialdehyde (MDA), and S100B] and the effect of intensive phototherapy (PT) on these parameters have not been studied extensively in newborns with significant hyperbilirubinemia (SH). We aimed to measure the levels of MDA, S100B, and AOPPs in newborns with SH, and to compare newborns with healthy control newborns without hyperbilirubinemia on the basis of these parameters of oxidative stress. In addition, we investigated the effect of intensive PT on these parameters during the treatment of SH and report our findings for the first time in the literature.MethodsThe study was performed in newborns (n = 62) who underwent intensive PT because of SH. Newborns without jaundice constituted the control group (n = 30). Both groups were compared with respect to demographic characteristics and biochemical (laboratory) parameters including MDA, AOPPs, and S100B. MDA, AOPPs, and S100B were also compared before and after intensive PT in the PT group. In the study group, a correlation analysis of demographic characteristics; MDA, AOPP, and S100B values; and changes occurring in MDA, AOPPs, and S100B values due to the effect of intensive PT was performed.ResultsSerum total bilirubin, S100B, and MDA levels in the PT group before performing PT were significantly higher than those in the control group. In newborns receiving PT serum total bilirubin, MDA and AOPP levels decreased significantly after intensive PT. In correlation analysis, a statistically significant negative correlation was found only between the amount of bilirubin decrease with PT and AOPP levels after PT in the study group.ConclusionWhether the significant decrease in MDA levels, which was higher prior to PT, is due to the decrease in serum bilirubin levels or due to the effect of intensive PT itself remains to be determined in further studies. The decrease in AOPP levels after PT implies that intensive PT has protective effects on oxidative stress

Investigation on malondialdehyde, s100b and advanced oxidation protein product levels in significant hyperbilirubinemia and the effect of intensive phototherapy on these parameter

Background: The parameters of oxidative stress [advanced oxidation protein products (AOPPs), malondialdehyde (MDA), and S100B] and the effect of intensive phototherapy (PT) on these parameters have not been studied extensively in newborns with significant hyperbilirubinemia (SH). We aimed to measure the levels of MDA, S100B, and AOPPs in newborns with SH, and to compare newborns with healthy control newborns without hyperbilirubinemia on the basis of these parameters of oxidative stress. In addition, we investigated the effect of intensive PT on these parameters during the treatment of SH and report our findings for the first time in the literature. Methods: The study was performed in newborns (n = 62) who underwent intensive PT because of SH. Newborns without jaundice constituted the control group (n = 30). Both groups were compared with respect to demographic characteristics and biochemical (laboratory) parameters including MDA, AOPPs, and S100B. MDA, AOPPs, and S100B were also compared before and after intensive PT in the PT group. In the study group, a correlation analysis of demographic characteristics; MDA, AOPP, and S100B values; and changes occurring in MDA, AOPPs, and S100B values due to the effect of intensive PT was performed. Results: Serum total bilirubin, S100B, and MDA levels in the PT group before performing PT were significantly higher than those in the control group. In newborns receiving PT serum total bilirubin, MDA and AOPP levels decreased significantly after intensive PT. In correlation analysis, a statistically significant negative correlation was found only between the amount of billrubin decrease with PT and AOPP levels after PT in the study group. Conclusion: Whether the significant decrease in MDA levels, which was higher prior to PT, is due to the decrease in serum bilirubin levels or due to the effect of intensive PT itself remains to be determined in further studies. The decrease in AOPP levels after PT implies that intensive PT has protective effects on oxidative stress. Copyright (C) 2014, Taiwan Pediatric Association. Published by Elsevier Taiwan LLC. All rights reserved

Uticaj vrste hraniva i sastava obroka na količinu i kvalitet mleka

The amount of protein and fat in milk are main parameters that have influence on milk price, as a result farmers are very concerned for possible influence of the diet on them. Milk fat is under greatest nutritional influence, and their percent depends on availability of precursors needed for its synthesis; but also on presence of substances that might have adverse effect. There can be little influence of the diet on milk proteins. The most successful way to improve protein content is to enhance microbial protein synthesis in the rumen, and to take care about balance of degradable and undegradable protein in the diet. It is not possible to change lactose content with normal nutrition, considering that it is the most consistent milk component.Količina proteina i masti u mleku su glavni parametri za određivanje cene mleka, te su proizvođači zainteresovani za mogućnost uticaja ishranom na njih. Masti su pod najvećim uticajem ishrane, odnosno njihova količina zavisi od prisutnosti neophodnih prekursora, kao i antagonističkih materija. Proteini se u maloj meri mogu korigovati ishranom, i to stimulacijom mikrobijalne sinteze proteina, kao i odnosom razgradive i nerazgradive frakcije. Na količinu laktoze se ne može uticati ishranom, pošto ona predstavlja najstabilniji sastojak mleka

Synthesis, Antimicrobial Activity and in silico Studies on Eugenol Eters

The results presented herein represent our continued study based on the modification of phenolic functionality in molecules originated from natural sources by acylation. A small focused library of nineteen eugenyl esters, with four of which are new compounds, is reported. All compounds were subjected to in vitro antimicrobial testing. In silico studies were carried out calculating physico-chemical, pharmacokinetic and toxicological properties, providing more data as additional guidance for further research

Assessment of Endothelial Dysfunction by Measuring Von Willebrand Factor and Exhaled Nitric Oxide in Patients with Chronic Obstructive Pulmonary Disease

Chronic obstructive pulmonary disease (COPD) is a multisystemic disease, one of the leading causes of mortality and morbidity. The aim of this research is to assess the level of markers of endothelial dysfunction, vWf and the exhaled nitric oxide (NO) depending on the severity of COPD. The study included 100 subjects: 60 patients with COPD without adjoin- ing cardiovascular comorbidity, and 40 patients as the controls. The subjects underwent a fractional exhaled nitric oxide test (FeNO), spirometric testing, and diffusing capacity of the lung for carbon monoxide test (DLCO), samples were taken of their vein blood to analyze the level of vWf (using the vWf:RCO method), C-reactive protein (CRP), fibrinogen, choles- terol, triglycerides as well as the acid base status. COPD patients then filled COPD assessment test (CAT test) and the modified dyspnea scale (mMRC). The results showed that in patient group that higher levels of vWf are associated with lower values of exhaled NO, which means that higher levels of vWf are associated with lower values of exhaled NO. By comparing the ill subjects from four groups (A, B, C and D), a difference was established between the level of vWf [F (3.56 =0.24; p=0.869], while, although statistically not significant, the highest level of exhaled NO was found in group A and the lowest in group D. The rise in the value of vWf is followed by the rise of fibrinogen values, which is another marker of endothelial dysfunction. The results of this research have shown that a systemic inflammation and hypoxia in the early stages of COPD, when no significant changes in the absolute values of FEV1 are present, stipulate the existence of endo- thelial dysfunction together with the clinically relevant differences in the levels of vWf and exhaled NO

The Phytoestrogen Quercetin Impairs Steroidogenesis and Angiogenesis in Swine Granulosa Cells In Vitro

Experimental evidence documents that nutritional phytoestrogens may interact with reproductive functions but the exact mechanism of action is still controversial. Since quercetin is one of the main flavonoids in livestock nutrition, we evaluated its possible effects on cultured swine granulosa cell proliferation, steroidogenesis, and redox status. Moreover, since angiogenesis is essential for follicle development, the effect of the flavonoid on Vascular Endothelial Growth Factor output by granulosa cells was also taken into account. Our data evidence that quercetin does not affect granulosa cell growth while it inhibits progesterone production and modifies estradiol 17β production in a dose-related manner. Additionally, the flavonoid interferes with the angiogenic process by inhibiting VEGF production as well as by altering redox status. Since steroidogenesis and angiogenesis are strictly involved in follicular development, these findings appear particularly relevant, pointing out a possible negative influence of quercetin on ovarian physiology. Therefore, the possible reproductive impact of the flavonoid should be carefully considered in animal nutrition

The Effects of Kinesiological Activity on Motor and Intellectual Functioning of Children in Relation to Their Physical Constitution at Birth

At birth, all children are characterized by different values of body weight and body length, caused by both genetic factors and the conditions and characteristics of their prenatal development. It is important to investigate whether these differences expressed at birth, particularly those values that are below average, can be improved by implementing a six-month period of kinesiological activity during childhood. With this purpose, a research was conducted using a sample of 214 children, aged 6,13 ±1,04 decimal years (experimental group of 93 boys and 29 girls, control group of 43 boys and 49 girls), which was divided into two subsamples by using K-mean cluster analysis based on body weight and length of children at birth. The formed subsamples were defined by the average values of the applied variables as groups of children that were below average and above average, according to their development at birth. Motor status of children was assessed by using a battery of 7 standard motor tests, and intellectual status by applying Raven’s Colored Progressive Matrices. Quantitative effects of the applied kinesiological treatment were analyzed based on the initial and final status of young participants in the examined variables by using multivariate analysis of variance and covariance. Qualitative differences were defined by results of factor analyses. It was established that there were no statistically significant differences in the variable space between boys and girls in the initial measurement, in relation to the experimental and the control group, so the sample was further treated as the overall sample of children. The effects of the experimental treatment have shown significant improvement of motor and intellectual functioning of children in the experimental group of children with below average and above average development at birth

Antioxidant Activity of Aspergillus fumigatus

The antioxidant activity of Aspergillus fumigatus was assayed by different procedures and correlated with its extracellular total phenolic contents. Different physio-chemical parameters were optimized to enhance the activity. The culture grown under stationary conditions for 10 days at 25°C at pH 7 gave the best antioxidant activity. Statistical approaches demonstrated sucrose and NaNO3 to be the most suitable carbon and nitrogen sources, respectively. Response surface analysis showed 5% sucrose, 0.05% NaNO3, and incubation temperature of 35°C to be the optimal conditions for best expression of antioxidant activity. Under these conditions, the antioxidant potential assayed through different procedures was 89.8%, 70.1%, and 70.2% scavenging effect for DPPH radical, ferrous ion and nitric oxide ion, respectively. The reducing power showed an absorbance of 1.0 and FRAP assay revealed the activity of 60.5%. Extracellular total phenolic content and antioxidant activity as assayed by different procedures positively correlated