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PubMed2002

Cloning, analysis, and expression of the gene for inorganic pyrophosphatase of Aquifex pyrophilus and properties of the enzyme.

The gene encoding Aquifex pyrophilus (Apy) pyrophosphatase was cloned and sequenced. The deduced amino acid sequence of Apy pyrophosphatase showed a 94.2% homology to Aquifex aeolicus (Aae) pyrophosphatase. The gene exhibits a difference in the codon usage at the third position from Aae pyrophosphatase. The gene was expressed under the control of a tac promoter in E. coli. The recombinant Apy pyrophosphatase was purified 18.7-fold with a 52.8% yield and a specific activity of 26.2 U mg(-1) protein. The native enzyme has a homotetramer of 177 amino acids. The enzyme shows optimal activity in pH 7.5. The optimum temperature was approximately 70 degrees C. A divalent cation was absolutely required for the enzyme activity; Mg2+ was the most effective.

Amino Acid Sequence↗
PubMed2002

[Spring propagation and size dynamics characteristics of two kinds of bee populations in Anhui Province].

Systematical observations and researches were conducted on the population size dynamics of Apis mellifera Ligustica Spi. and Apis cerana cerana Feb. in Wanzhong, Wanxi and Wannan mountainous area in Anhui Province in 1997-1999. The results showed that the bee population size was influenced by climate and flower fertility, which was higher in Spring and Autumn, and lower in Summer and Winter. The propagation and renewal of A. mellifera in Autumn were quicker than those of A. cerana cerana, while the effect of overcoming Summer was inferior to that of Apis cerana cerana. The sex ratio of A. mellifera was (314.4 +/- 289.9):1-(329.4 +/- 305.8):1, and that of A. cerana cerana was (334.2 +/- 235.5):1-(413.1 +/- 377.2):1. The birth of drones was seasonal, and the age structure of each bee population was variable.

Animals↗
PubMed2003

Clinical significance of antiphospholipid protein antibodies. Receiver operating characteristics plot analysis.

OBJECTIVE: To investigate the utility of receiver operating characteristic (ROC) analysis in determining the strength of association between various antiphospholipid and anti-protein cofactor antibodies (aPA) and thrombosis, pregnancy morbidity, and thrombocytopenia. METHODS: Clinical and laboratory variables were retrospectively studied in 204 patients: 160 with systemic lupus erythematosus (SLE), 22 with lupus-like syndrome (SLE-LS), and 22 with primary antiphospholipid syndrome (APS). Laboratory evaluation included detection of lupus anticoagulant (LAC) and measurement of IgG and IgM anticardiolipin (aCL), antiphosphatidylserine (aPS), antiphosphatidylinositol (aPI), anti-beta 2 glycoprotein I (a beta 2GPI), and antiprothrombin (aPT) antibodies. ROC plot analysis was used to determine the clinical accuracy of aPA tests, and calculate cut-off values which best associate with clinical symptoms typical for APS. RESULTS: The LAC was associated with a history of thrombosis [odds ratio (OR): 3.04; 95% confidence interval (CI): 1.5-6.2] and even more strongly with recurrent fetal loss (OR: 8.7; 95%CI: 2.8-26.7). ROC plot analysis revealed that the most accurate test for thrombosis was aCL IgG (ROC-derived cutoff value > 17.2 GPL; OR: 3.69; 95% CI: 1.8-7.4), for recurrent fetal loss, aPI IgG [> 22.1 theoretical units (TU); OR: 6.21; 95%CI: 2.1-18.5], closely followed by aCL IgG and a beta 2GPI IgG, and for thrombocytopenia aPS IgM (> 6.7 TU; OR: 1.9; 95%CI: 1.04-3.4). Among 182 autoimmune patients (SLE + SLE-LS), 6.6% presented clinical symptoms of APS without classic aPA (LAC and/or aCL), but with elevated levels of antibodies against other phospholipids, mainly aPI IgM. CONCLUSION: A laboratory that evaluates APS patients should establish its own threshold values for aPA tests. We suggest that ROC plot analysis is a valuable tool in establishing cutoff values. LAC and aCL determinations seem sufficient for the majority of laboratories. However, in specialized centers other tests should be available to detect those patients with clinical symptoms for APS but who are positive for antiphospholipid antibodies other than aCL and the LAC.

Adolescent↗
PubMed1992

[Levels of mercury in samples of bees and honey from areas with and without industrial contamination].

Increasing numbers of specialists have been concerned with the problem of friendly environment in relation to man as well as to farm and wild animals. Greater interest in the biological monitoring of environment and ecosystem contamination can be observed. Determination of residues of organic and inorganic substances in bees (Apis mellifera) and in their products is one of effective possibilities of environmental pollution monitoring. Our work was aimed at the study of mercury levels in bees and their products. Mercury levels were determined in the head, abdomen and thorax of bees (Apis mellifera) from 20 bee populations coming from industrially contaminated areas with a dominant load of mercury (10 populations) and from uncontaminated areas. Mercury levels were determined simultaneously in honey coming from both contaminated and uncontaminated areas. The following mercury levels were found in bees from the contaminated area: heads 0.029-0.385 mg/kg, thorax 0.028-0.595 mg/kg and abdomen 0.083-2.255 mg/kg. Mercury levels in samples from uncontaminated areas ranged from 0.004 to 0.024 mg/kg in the heads, from 0.004 to 0.008 mg/kg in the thorax and from 0.008 to 0.020 mg/kg in the abdomen. In honey samples from the contaminated and uncontaminated areas mercury levels ranged from 0.050 to 0.212 mg/kg and from 0.001 to 0.003 mg/kg, respectively. The results of sample analyses for mercury loads in bees and honey from both contaminated and uncontaminated areas are given in Tab. I. Mean mercury levels in the single parts of the body in Apis mellifera and in honey from contaminated and uncontaminated areas are given in Figs. 1, 2, 3.(ABSTRACT TRUNCATED AT 250 WORDS)

Animals↗
PubMed2003

A comparison of different kinds of European chocolates on human plaque pH.

AIM: To investigate the acidogenic response of plaque with various European chocolates of varying cocoa contents. METHODS: 14 subjects participated in the study. On each test day plaque pH measurements were taken at baseline and at 2, 5, 10, 15, 20 and 30 minutes after challenge with the test chocolates or control foods. A plaque sample was removed from the buccal surfaces of posterior teeth representing all quadrants, within 30 seconds. The plaque pH was measured on an ISFET electrode connected to a Sentron 2001 pH system. The test chocolates were: Diet chocolate (DC), Plain European chocolate (PEC 70% cocoa), Plain English chocolate (PenC 34% cocoa), Milk English chocolate (MenC 20% cocoa), Milk European chocolate (MEC 30% cocoa), White chocolate (WC no cocoa), Milk chocolate with hazelnuts (MHC 20% cocoa). 15 g of each chocolate was consumed by the volunteers and 10 ml of 10% sucrose and sorbitol solutions were included as controls. RESULTS: The data were analysed for: minimum pH, area below baseline, area below "critical pH", time spent below "critical pH" and Acidogenic Potential Index (API). DC was found to be significantly different to sucrose and all the other test chocolates, and similar to sorbitol for all the parameters studied. The area below baseline plaque pH was also significantly smaller for PEC (p<0.006) and MHC (p<0.028) as compared with sucrose. The mean area below the "critical pH" (5.7) for PEC and MHC was lower at 0.20-/+0.34 and 0.60-/+1.40 respectively, compared with sucrose at 1.38-/+1.03, but not statistically significant. The API of DC, PEC, PEnC, MEnC, MEC, WC and MHC was 0.03, 0.41, 0.66, 0.93, 0.94, 0.88 and 0.45 respectively compared with an API of 1.00 of sucrose. CONCLUSION: Diet chocolate was found to have no acidogenic effect on dental plaque. Also, the PEC and MHC had a lower acidogenic potential compared with sucrose.

Adolescent↗
PubMed2003

[Comparison of different methods for the identification of Candida species isolated from clinical specimens].

The aim of this study was to compare the different methods for the identification of Candida strains isolated from clinical specimens. The methods of germ tube examination, chlamydospore examination formed on the rice Tween-80 (RT-80) agar and evaluation of colony morphologies on the two chromogenic agars (CHROMagar Candida, Albicans ID), were compared with a reference API 20C AUX (bioMerieux, France) automated system based on the carbohydrate assimilation, for the identification of a total 255 Candida isolates. Of them, 173 (67.8%) were identified as C. albicans, 37 (14.5%) were C. glabrata, 23 (9%) were C. krusei, 9 (3.5%) were C. tropicalis, 9 (3.5%) were C. kefyr, 2 (0.8%) were C. guillermondii and 2 (0.8%) were C. parapsilosis, by API 20C AUX system. In the view of these results, 146 (84.4%) of C. albicans strains were identified by germ tube examination, 161 (93.1%) of C. albicans strains and 208 (81.5%) of total strains were identified by chlamydospore examination. 169 (97.7%) of C. albicans strains and 231 (90.6%) of total strains were identified by CHROMagar Candida method, and 168 (97.1%) of C. albicans strains were identified by Albicans ID method, correctly. In the CHROMagar Candida medium, 169 C. albicans isolates have produced bright green colored colonies, whereas 33 (89.2%) isolates which produced dark pink/purple colored colonies were identified as C. glabrata, 7 (77.8%) isolates which produced metalical blue colored colonies were identified as C. tropicalis and 22 (95.6%) isolates which produced pale pink colored colonies were identified as C. krusei. In the Albicans ID medium, four of the 172 isolates which were evaluated as C. albicans initially by producing blue colored colonies, have been identified as C. tropicalis by API 20C AUX system. The sensitivities and specificities of germ tube examination, RT-80, CHROMagar Candida and Albicans ID methods were found as follows, respectively; 84.4% and 100%, 93.1% and 100%, 97.7% and 100%, 99.4% and 95.3 percent. In conclusion, CHROMagar Candida medium seems the most favorable rapid and practical method with high sensitivity and specificity for the identification of Candida species, but its cost-effectiveness should be kept in view.

Candida↗
PubMed1992

Decrease of malaria morbidity with community participation in central Java.

Malaria is still a problem in Java-Bali, although the Malaria Eradication Program started in the 1950's. In the First National Five Year Development Plan it was changed to the Malaria Control Program with the aim to reduce the morbidity and mortality rates through surveillance and spraying interventions using the primary health care approach. In 1984 in Central Java there were malaria areas with an average annual parasite incidence (API) between 1 and 7.5 promille covering about six million population, nearly one third of the population of Central Java. In this study an intervention alternative was carried out with weekly chloroquine prophylaxis to children below 10 years of age in 3 malaria areas of central Java, namely the villages Bedono Kluwung and Kalikutes in Purworejo Regency and Pablengan in Karang Anyar Regency. Health education about malaria with a learning module was conducted by key persons as an element of community participation. The activities of the key persons increased the ongoing surveillance. After one and a half years intervention (July 1985-February 1987) the spleen rates, parasite rates and fever cases dropped to nearly zero in the three study villages. From the results of this study it was recommended that in a malaria risk area with an API of more than 1 promille, intervention with collective chloroquine protection to children below 10 years of age could reduce the API to 1 promille or less. This intervention should be carried out if there is an increase of cases in the area to prevent small outbreaks.(ABSTRACT TRUNCATED AT 250 WORDS)

Adult↗
PubMed2003

[Multifocal fungal infections in patients after renal transplantation undergoing immunosuppression].

The aim of the study was to estimate the prevalence of fungi in monofocal and multifocal infections in renal transplant recipients and the characteristics of 60 species and intraspecies features of fungal strains isolated from the organ ontocenoses: oral cavity, rectum and genital organs in 32 patients undergoing permanent immunosuppression after renal transplantation. Fungal strains were recovered in 66 out of 96 samples (68.2% off all renal transplant recipients). There were in ontocenoses: oral cavity (65.6%), rectum (37.5%) and genital organs (25.0%). Monofocals mycosis were found only in 21.9% of the patients. Multifocal infections occurred in 68.2% and contained ontocenoses of oral cavity and rectum (34.4%) the most frequently. Trifocal infection occurred in 12.5% of all examined renal transplant recipients. Fungal strains identified using API 20 C and API 20 C AUX (bioMérieux). The activity of 19 hydrolases was investigated using API ZYM. From among 41 strains of fungi the following were found: Candida albicans (31 strains), Candida glabrata (5), Candida guilliermondii (2), Candida krusei (2) and Saccharomyces cerevisiae (1). The enzymograms were described for all strains and the highest activity was noted in case of: leucine arylamidase, acid phosphatase, esterase, naphtol-AS-BI-phosphohydrolase. The presence high mean of activity of this enzymes means high pathogenicity of C. albicans strains.

Adult↗
PubMedDate not supplied

Resistance pattern of extended-spectrum beta-lactamase producing Enterobacteriaceae isolates.

Gram-negative pathogens harboring extended-spectrum beta-lactamases (ESBL) are becoming an increasing therapeutic problem in many wards. The aim of our work was to study ESBL production by Enterobacteriaceae strains from Eastern Romania and their antimicrobial resistance. We selected 54 clinical isolates among 1068 enterobacteria according to their susceptibility spectrum (National Committee for Clinical Laboratory Standards, 1999). Antimicrobial susceptibility tests were performed using the Rapid ATB E gallery of mini API system (BioMérieux) and by a macrodilution method in Mueller-Hinton agar following standard procedure of the National Committee for Clinical Laboratory Standards (NCCLS). ESBL production was established by using both double disk synergy test (DDT) and Expert computer program of mini API. The isoelectric point (pI) was determined by isoelectric focusing in polyacrylamide gel and revealed by nitrocefin. As references we used beta-lactamases with known pI. The Expert computer program of mini API confirms the positive DDT test for all selected strains. Almost all strains displayed resistance to ampicillin, ampicillin/sulbactam or third generation cephalosporins and aztreonam. By IEF we identified 51 strains which have a unique enzyme. IEF pattern showed presence of two enzymes in three Escherichia coli strains. According to our results, the ESBL TEM-type are the most common for the studied isolates. The production of extended-spectrum beta-lactamases and the presence of the multiresistant of antimicrobial agents reflect, probably, the over use of third generation cephalosporins in Eastern Romania.

Drug Resistance, Bacterial↗
PubMed2004

Evaluation of a rapid polymerase chain reaction based identification technique for Vibrio cholerae isolates.

Rapid and accurate identification of waterborne pathogens, such as Vibrio cholerae, in drinking-water sources is important to enable effective resource management and public health protection. Phenotypic systems currently being used for the identification of Vibrio cholerae isolates are time-consuming and the need exists for the development of suitable molecular techniques that can offer both fast and reliable identification. During this study, isolates identified as Vibrio cholerae by means of two different biochemical test systems (API 20E and VITEK 32) were analysed with the polymerase chain reaction (PCR) to compare the reliability of the various identification systems. The selected PCR technique amplified a sequence within the outer membrane protein of Vibrio cholerae, a gene specific for V. cholerae. It was found that out of 243 isolates biochemically identified as V. cholerae with either the API or VITEK system, 21 isolates did not give a positive result with the PCR detection method. Sequencing the 16S rDNA of more than half of these isolates and comparison of the sequences with Internet databases indicated that most of the isolates belonged to the genus Aeromonas. The results indicated that the rapid PCR procedure was more accurate than the API or VITEK systems currently being used for the phenotypic identification of Vibrio cholerae isolates.

Environmental Monitoring↗
PubMed2004

Microbiological and genetic analysis of probiotic products licensed for medicinal purposes.

BACKGROUND: The purpose of our study was to investigate both qualitatively and quantitatively the microbial content of probiotic products licensed for medicinal purposes. MATERIAL/METHODS: Microbiological analysis was performed on five different brands of probiotic products that claimed to contain lactobacilli and/or bifidobacteria. The species were determined based on phenotypic characters, using API 50CH, API 20A, and API rapid ID 32A kits. Bacterial strains belonging to the Bifidobacterium genus were further identified using genotypic methods (amplification of specific DNA fragments by PCR and analysis of their nucleotide sequences). The products were also analyzed for pathogenic bacteria. The number of microorganisms contained in four of the products was determined using the plate-count method and the most-probable-number method. The actual and claimed content of probiotic products was analyzed statistically. RESULTS: Microbiological and genetic analysis showed that, in terms of quality, only three of the five products contained the bacterial strains claimed on the label. None of the tested products contained pathogens. Quantitative analysis demonstrated that 57 of 64 samples (89% [95% CI: 81-97]) contained bacterial counts at the cell densities (doses) claimed on the label. CONCLUSIONS: Our study demonstrates unsatisfactory qualitative microbiological specification in the tested products. However, there was good quantitative agreement with the labeling. Our findings indicate that regulations governing the labeling of probiotic products are urgently required.

Bacterial Typing Techniques↗
PubMedDate not supplied

Central and peripheral effects of sculpin pancreatic polypeptide and anglerfish peptide Y in rats.

Sculpin pancreatic polypeptide (PP) and anglerfish peptide Y (aPY-amide) are 36-residue peptide amides isolated from the pancreas of the respective species of fish. They are 86% homologous, and exhibit about 65% homology to porcine neuropeptide Y (NPY) and peptide YY (PYY). This homology to mammalian peptides suggests that the fish peptides may constitute a good model system for structure-activity investigations. We therefore synthesized sculpin PP and aPY-amide by the solid phase method and investigated their central and peripheral effects on feeding and blood pressure, respectively. These investigations revealed that both peptides, like NPY, increased blood pressure and induced feeding in rats, presumably by interacting with receptors of NPY. Although there were comparable responses to both peptides on feeding, aPY-amide exhibited a more potent pressor effect than sculpin PP. These observations suggest that the central and peripheral effects of NPY may be mediated by different subclasses of NPY receptors.

Amino Acid Sequence↗
PubMed2005

Addressing oral health disparities in settings without a research-intensive dental school: collaborative strategies.

Research suggests that oral health is linked to systemic health, and those with poor oral health are potentially at greater risk for important diseases, including cardiovascular disease, stroke, diabetes mellitus, and adverse pregnancy outcomes. Asians and Pacific Islanders (APIs) in Hawaii have high rates of many such diseases. Studies in children in Hawaii have revealed disparities in dental health; for example, API children have significantly higher rates of cavities than other groups. Hence, conducting further study is vital in adults, particularly APIs, to assess oral health and its correlation to overall health outcomes. Given the lack of a dental school and the lack of fluoridated water in the state, the University of Hawaii's John A. Burns School of Medicine (ABSOM) has identified the need to assume a leadership role in creating effective community-based oral health research and treatment programs. With the support of the National Institute of Dental and Craniofacial Research, JABSOM fostered a collaborative relationship with the University of North Carolina at Chapel Hill School of Dentistry, a premiere research-intensive dental school, the Waimanalo Health Center, and the Hawaii State Department of Health. This partnership has worked together to implement a community-based approach to performing research designed to illuminate disparities and develop innovative strategies to promote oral health in Hawaii's diverse populations. We hope that this collaborative, culturally competent approach may serve as a model for use in other settings without a research-intensive dental school.

Adolescent↗
PubMed1991

Cyclic GMP down-regulates atrial natriuretic peptide receptors on cultured vascular endothelial cells.

Down-regulation of atrial natriuretic peptide (ANP) receptors was investigated using a cultured bovine pulmonary artery endothelial (CPAE) cell line. Endothelial cells have been shown to possess two subtypes of ANP receptors, a guanylate cyclase-coupled receptor (B-receptor) and a clearance receptor (C-receptor). The treatment with APIII, rat ANP (103-126), at concentrations of 10(-8) to 10(-6) M for 24 h, resulted in a significantly (p less than 0.01) greater decrease in maximum 125I-APIII binding to CPAE cells than the identical concentration of API, rat ANP (103-123). APIII at concentrations of 10(-8) to 10(-6) M stimulated cyclic GMP (cGMP) production 3.3-17.5-fold greater than similar concentrations of API. From these findings, we hypothesized that cGMP produced following ANP binding to the B-receptor participates in ANP receptor regulation. M&B 22948, a selective inhibitor of cGMP-specific phosphodiesterase, significantly (p less than 0.01) potentiated the effect of both API and APIII on 125I-APIII binding, while M&B 22948 itself had no significant effect on 125I-APIII binding. Treatment of the cells with 1 mM 8-bromo-cGMP also significantly (p less than 0.01) decreased 125I-APIII binding to the cells, and a potentiation of this effect was observed by M&B 22948. Scatchard analysis of binding data from 8-bromo-cGMP-treated cells showed a significant decrease in Bmax (1.79 +/- 0.15 to 1.20 +/- 0.07 fmol/mg protein, p less than 0.05) without a significant change in Kd. Affinity cross-linking of 125I-APIII to 8-bromo-cGMP-treated cells showed a decrease in the labeling of 60- and 70-kDa bands corresponding to the C-receptor. In addition, the APIII-stimulated cGMP response remained unchanged in the 8-bromo-cGMP-treated cells, indicating that the B-receptor was not down-regulated. We conclude that cGMP regulates ANP-binding sites on the endothelial cell and that the evidence indicates that the C-receptor may preferentially be down-regulated by cGMP in CPAE cells.

8-Bromo Cyclic Adenosine Monophosphate↗
PubMed2005

Assessment of losses in honey yield due to the chalkbrood disease, with reference to the determination of its economic injury levels in Egypt.

In Egypt, the chalk brood (CHB) disease caused by the fungus, Ascosphaera apis Maassen started again infesting the honeybee, Apis melifera L (Hymenoptera: Apidae) colonies after a cessation pause of seven to nine years. For the first time, an attempt has been made to look into the problem of the CHB disease from the view point of assessing losses in both clover (Trifolium alexandrinum) and chinus (Chinus molus) honey yields. In this regard, two techniques were adopted. Under the natural conditions of the experimental apiary (first technique), loss in clover honey was 18.412 +/- 0.663%, on average, whereas the average loss in chinus honey was 18.332 +/- 1.536%. In the second technique of loss appraisal (artificial infection). The tested honeybee colonies were artificially infected with four sources of A. apis infection, I.e. black mummies, white mummies, pollen grains and water, in addition to controls to create the so-called "different levels of infection". The mean percentages of losses in clover honey were 30.06 +/- 1.807, 27.95 +/- 1.062; 21.13 +/- 0.987; 16.96 +/- 0.672 and 0.00 +/- 0.00 for black mummies, white mummies, pollen grains, water and control, respectively. Taking into account the relationship between number of resulted mummies in each source of infection and % loss in clover honey, it could be concluded that as the resulted mummies increased, the corresponding clover honey yield decreased in each source of infection. It was noticed that the % loss in clover honey differed as the used technique differed. For example, the percentage loss in clover honey produced from colonies exposed to the natural conditions was relatively less than that of the artificially infected ones. This has been discussed in the text. However, the causative pathogen of CHB disease resulted in serious decrease in honey production. Loss appraisal is a perquisite step for the determination of the economic injury levels (EILs). By regressing % loss in clover honey yield against the total number of fallen mummies, the linear equation was worked out to be: Y = 0.242 + 0.040 x (r2 = 0.99, F = 62408.865). Depending on the total costs of controlling CHB disease, the EIL values were 31.875 and 11.250 mummies/colony for cedar oil and thymol granules, subsequently. As to the chinus honey the corresponding EILs were 18.940 and 6.683 mummies/colony for cedar oil and thymol granules, in respect, as a result of adopting the regression formula: Y = -6.762 + 0.101 X. As for the clover honey (artificial infection) the EIL values were 39.844 and 14.063 mummies/ colony in case of using cedar oil and thymol grains, subsequently. These values were worked out using the formula Y = 5.871 + 0.032 X. From the practical point of view, apiarists should not use thymol or cedar oil as fallen mummies don't reach the suggested EILs values to minimize control costs as much as possible.

Animals↗
PubMedDate not supplied

Efficacy, safety, and modulation of immunologic markers by immunotherapy with honeybee venom: comparison of standardized quality depot versus aqueous extract.

Venom immunotherapy (IT) is a very effective method for the treatment of Hymenoptera venom allergy. We compared safety, efficacy, and modulation of specific immunologic parameters in 70 patients sensitized to Apis mellifera, treated for > or = 5 years with standardized quality (SQ) aqueous IT, either with a rush (n = 20) or with a cluster (n = 20) induction protocol, or with an SQ depot extract and a cluster induction protocol (n = 30). We made an open, noncontrolled study. Side effects were monitored and the effects of field stings during the maintenance phase of the treatment and after its interruption were recorded. Skin reactivity to Apis was measured by end point dilution and specific serum immunoglobulin E (IgE) were measured by a solid-phase-based assay. The depot IT was better tolerated than aqueous IT with rush induction. This was caused by mainly the lower frequency in the induction phase of systemic side effects (3.4% versus 36.8% [p < 0.0041] on a "per patient" and 0.1% versus 0.9% [p = 0.0092] on a "per dose "basis, respectively). The cluster protocol with the aqueous extract tended to be better tolerated that the rush protocol. About one-half of patients from each group were re-stung during the study and all suffered only minor discomfort. Reduction of skin reactivity and of serum-specific IgE was significant in the three groups (p < 0.02 in all cases). SQ Depot IT to Apis venom allergy administered with a cluster protocol induces less side effects and is equally effective then IT with SQ aqueous extract administered with a rush protocol.

Adolescent↗
PubMed2006

[Oral hygiene in haemodialyzed patients with chronic renal failure].

UNLABELLED: The present study aimed to assess the oral hygiene in haemodialyzed patients with chronic renal failure (CRF). MATERIAL AND METHODS: 44 haemodialyzed patients with CRF were analyzed (18 F and 26 M, mean age 47.4 +/- 1.6). In all patients a stomatological examination and dental panoramic x-ray were performed. The presence of chronic periodontal disease (CP) and an approximal plaque index (API) were assessed. RESULTS: Chronic periodontitis was found in 17 patients (39%), whereas in 27 (61%) patients periodontal disease was not present. Oral hygiene assessed by API was not satisfactory in 50%, while very good only in 11% haemodialyzed patients. Patients with periodontal disease were characterized by worse API than patients without periodontitis. CONCLUSION: Oral hygiene status is unsatisfactory in most of haemodialyzed uremic patients.

Adult↗
PubMedDate not supplied

The adjunctive role of antiphospholipid antibodies in systemic lupus erythematosus cardiac involvement.

OBJECTIVE: To evaluate the prevalence of cardiac alterations by trans thoracic echocardiography (TTE) and the possible role of aPLs in determining heart damage in SLE patients. PATIENTS AND METHODS: We investigated 34 consecutive Caucasian SLE patients and 34 age and sex- matched controls. All patients underwent TTE. Lupus anticoagulant (LA) was assayed. IgG and IgM antiphospholipid antibodies against cardiolipin (aCL), phosphatidylinositol (aPI), phosphatidylserine (aPS), phosphatidic acid (aPA), and anti-Beta2-glycoprotein I antibodies (aBeta2GPI) were determined by ELISA. RESULTS: Nineteen (56%) SLE patients showed at least one cardiac abnormality (P < 0.0001 - RR 19; OR 41.8; 95% CI 5.1-342). The predominant valve dysfunctions were represented by mitral (21%) and tricuspidal (18%) regurgitation. Aortic regurgitation was observed in 12% of patients, pericardial effusion and left atrial enlargement were identified in 15% and 12% of cases, respectively. Mitral valvular strands were detected in one patient. The prevalence of cardiac abnormalities correlated with disease duration. Echocardiographic alterations were more common in aPLs positive than in aPLs negative patients (P = 0.02 - RR 2.5; OR 6.1; 95% CI 1.2-30.1). Patients with IgG-aPA, -aPI and -aPS had a higher prevalence of left atrial enlargement (P < 0.05); IgG-aPA and -aPI were significantly associated with increased interventricular septum thickness (P < 0.05). CONCLUSION: Our findings confirm that the heart is one of the main target in SLE patients. The association between aPLs and cardiac impairment suggests an adjunctive role of these autoantibodies in determining heart damage. SLE vasculopathy is a multifactorial process leading to accelerated atherosclerosis. Heart involvement over the course of disease requires a comprehensive screening and management of traditional and new cardiovascular risk factors to prevent cardiac damage, which represents the primary cause of morbidity and mortality in SLE patients.

Adolescent↗