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[Towards better management for sexual offenders: Presentation and conclusions of a public hearing concerning prevention, assessment, and care]. L'ENCEPHALE 2021; 47:495-498. [PMID: 33422285 DOI: 10.1016/j.encep.2020.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 06/29/2020] [Indexed: 11/25/2022]
Abstract
In France, since the law of June 17, 1998, sexual offenders may be convicted to ambulatory mandatory care, articulated with the justice. Twenty years after the implementation of this law, while social and technological developments have redefined certain aspects of delinquency, reference documents and practice guidelines remain to be updated. This is why the professionals of the main structures and associations dealing with perpetrators of sexual violence organized a public hearing under the sponsorship of the French Federation of Resource Centers for Sexual Violence Perpetrators (FFCRIAVS) according to the methodology and with the accompaniment of the High Authority of Health. This article presents the global methodology of the public hearing "Sexual Offenders: Prevention, Evaluation and Care" which was conducted on June 14 and 15, 2018. Thirty-three experts replied to27 questions and presented their conclusions to an Audition Committee and an audience of 200 persons representative of the civil and professional society. After a public debate, the hearing committee prepared a report in which they proposed propositions in order to better care for sexual offenders.
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Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Female reproductive impacts of dietary methylmercury in yellow perch (Perca flavescens) and zebrafish (Danio rerio). CHEMOSPHERE 2018; 195:301-311. [PMID: 29272799 PMCID: PMC8846966 DOI: 10.1016/j.chemosphere.2017.12.029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 12/01/2017] [Accepted: 12/05/2017] [Indexed: 05/05/2023]
Abstract
The purpose of this study was to evaluate the effects of environmentally relevant dietary MeHg exposures on adult female yellow perch (Perca flavescens) and female zebrafish (Danio rerio) ovarian development and reproduction. Yellow perch were used in the study for their socioeconomic and ecological importance within the Great Lakes basin, and the use of zebrafish allowed for a detailed analysis of the molecular effects of MeHg following a whole life-cycle exposure. Chronic whole life dietary exposure of F1 zebrafish to MeHg mimics realistic wildlife exposure scenarios, and the twenty-week adult yellow perch exposure (where whole life-cycle exposures are difficult) captures early seasonal ovarian development. For both species, target dietary accumulation values were achieved prior to analyses. In zebrafish, several genes involved in reproductive processes were shown to be dysregulated by RNA-sequencing and quantitative real-time polymerase chain reaction (QPCR), but no significant phenotypic changes were observed regarding ovarian staging, fecundity, or embryo mortality. Yellow perch were exposed to dietary MeHg for 12, 16, or 20 weeks. In this species, a set of eight genes were assessed by QPCR in the pituitary, liver, and ovary, and no exposure-related changes were observed. The lack of genomic resources in yellow perch hinders the characterization of subtle molecular impacts. The ovarian somatic index, circulating estradiol and testosterone, and ovarian staging were not significantly altered by MeHg exposure in yellow perch. These results suggest that environmentally relevant MeHg exposures do not drastically reduce the reproductively important endpoints in these fish, but to capture realistic exposure scenarios, whole life-cycle yellow perch exposures are needed.
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Glycaemic and insulinaemic responses of adult healthy warm-blooded mares following feeding with Jerusalem artichoke meal. J Anim Physiol Anim Nutr (Berl) 2017. [DOI: 10.1111/jpn.12669] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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6
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Investigating the extent of parallelism in morphological and genomic divergence among lake trout ecotypes in Lake Superior. Mol Ecol 2017; 26:1477-1497. [DOI: 10.1111/mec.14018] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 11/21/2016] [Accepted: 11/29/2016] [Indexed: 12/20/2022]
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7
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The intubation scoop (i-scoop) - a new type of laryngoscope for difficult and normal airways. Anaesthesia 2014; 69:990-1001. [DOI: 10.1111/anae.12754] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/25/2014] [Indexed: 11/28/2022]
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A temporary filling material used for coronal sealing during endodontic treatment may cause tooth fractures in large Class II cavities in vitro. Int Endod J 2014; 48:84-8. [PMID: 24646310 DOI: 10.1111/iej.12280] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Accepted: 03/13/2014] [Indexed: 11/27/2022]
Abstract
AIM To investigate the use of a zinc oxide/zinc sulphate-based cement (Coltosol(®) F, Coltène Whaledent, Cuyahoga Falls, OH, USA) as a temporary filling material during multiple-visit root canal treatments and the occurrence of cracks within the filling material or the tooth. METHODOLOGY Root canals of one hundred and twenty-two extracted human molars were prepared using ProTaper instruments up to size F2. After root canal preparation, standardized mesial-occlusal-distal cavities were prepared. The buccal-lingual/palatal width of the cavities was 4.5 mm), so that the remaining cavity walls had a mean thickness of 3.5 mm. Teeth were checked for cracks and fracture lines using a stereomicroscope with 10× magnification. A calcium hydroxide slurry was used as an intracanal dressing. The teeth were divided into three groups. In the Coltosol group, the cavity was filled with Coltosol(®) F. In the Coltosol-Clearfil group, a 2-mm layer of Coltosol(®) F was placed into the coronal pulp chamber, the remaining cavity was filled with Clearfil(™) . In the Clearfil group, a foam pellet was placed onto the orifices of the root canals, the remaining cavity was filled with Clearfil(™) . In the control group, the cavities were left without any filling material. The teeth were stored in water at 37 °C for 14 days and examined every 24 h under a stereomicroscope for fracture lines occurring on the tooth surface or in the filling material. RESULTS In the Coltosol group, fractures within the filling material were observed in 28 (85%) of 33 teeth. 13 (39%) teeth had tooth fractures. Amongst these teeth, 8 (61%) had root fractures, 1 (8%) had a crown fracture and 4 (31%) had a root-crown fracture. CONCLUSION Coltosol(®) F, when used alone as a restorative material, led to tooth fractures in Class II cavities in teeth undergoing root canal treatment. Tooth fractures may occur 4 days after placement of the filling.
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Expression kinetics of key genes in the early innate immune response to Great Lakes viral hemorrhagic septicemia virus IVb infection in yellow perch (Perca flavescens). DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2013; 41:11-19. [PMID: 23529011 DOI: 10.1016/j.dci.2013.03.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Revised: 03/13/2013] [Accepted: 03/15/2013] [Indexed: 06/02/2023]
Abstract
The recently discovered strain of viral hemorrhagic septicemia virus, VHSV-IVb, represents an example of the introduction of an extremely pathogenic rhabdovirus capable of infecting a wide variety of new fish species in a new host-environment. The goal of the present study was to delineate the expression kinetics of key genes in the innate immune response relative to the very early stages of VHSV-IVb infection using the yellow perch (Perca flavescens) as a model. Administration of VHSV-IVb by IP-injection into juvenile yellow perch resulted in 84% cumulative mortality, indicating their high susceptibility to this disease. In fish sampled in the very early stages of infection, a significant up-regulation of Mx gene expression in the liver, as well as IL-1β and SAA activation in the head kidney, spleen, and liver was directly correlated to viral load. The potential down-regulation of Mx in the hematopoietic tissues, head kidney and spleen, may represent a strategy utilized by the virus to increase replication.
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Comparative susceptibility among three stocks of yellow perch, Perca flavescens (Mitchill), to viral haemorrhagic septicaemia virus strain IVb from the Great Lakes. JOURNAL OF FISH DISEASES 2013; 36:711-719. [PMID: 23305522 DOI: 10.1111/jfd.12068] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2012] [Revised: 11/08/2012] [Accepted: 11/11/2012] [Indexed: 06/01/2023]
Abstract
The Great Lakes strain of viral haemorrhagic septicaemia virus IVb (VHSV-IVb) is capable of infecting a wide number of naive species and has been associated with large fish kills in the Midwestern United States since its discovery in 2005. The yellow perch, Perca flavescens (Mitchill), a freshwater species commonly found throughout inland waters of the United States and prized for its high value in sport and commercial fisheries, is a species documented in several fish kills affiliated with VHS. In the present study, differences in survival after infection with VHSV IVb were observed among juvenile fish from three yellow perch broodstocks that were originally derived from distinct wild populations, suggesting innate differences in susceptibility due to genetic variance. While all three stocks were susceptible upon waterborne exposure to VHS virus infection, fish derived from the Midwest (Lake Winnebago, WI) showed significantly lower cumulative % survival compared with two perch stocks derived from the East Coast (Perquimans River, NC and Choptank River, MD) of the United States. However, despite differences in apparent susceptibility, clinical signs did not vary between stocks and included moderate-to-severe haemorrhages at the pelvic and pectoral fin bases and exophthalmia. After the 28-day challenge was complete, VHS virus was analysed in subsets of whole fish that had either survived or succumbed to the infection using both plaque assay and quantitative PCR methodologies. A direct correlation was identified between the two methods, suggesting the potential for both methods to be used to detect virus in a research setting.
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Influence of Human Saliva on the Development of Artificial Erosions. Caries Res 2013; 47:553-8. [DOI: 10.1159/000351634] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2012] [Accepted: 03/08/2013] [Indexed: 11/19/2022] Open
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12
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[Acute exophthalmos]. Klin Monbl Augenheilkd 2011; 229:62-3. [PMID: 21442572 DOI: 10.1055/s-0029-1246019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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13
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Divergent responses to peptidoglycans derived from different E. coli serotypes influence inflammatory outcome in trout, Oncorhynchus mykiss, macrophages. BMC Genomics 2011; 12:34. [PMID: 21235753 PMCID: PMC3087353 DOI: 10.1186/1471-2164-12-34] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2010] [Accepted: 01/14/2011] [Indexed: 12/24/2022] Open
Abstract
Background Pathogen-associated molecular patterns (PAMPs) are structural components of pathogens such as lipopolysaccharide (LPS) and peptidoglycan (PGN) from bacterial cell walls. PAMP-recognition by the host results in an induction of defence-related genes and often the generation of an inflammatory response. We evaluated both the transcriptomic and inflammatory response in trout (O. mykiss) macrophages in primary cell culture stimulated with DAP-PGN (DAP; meso-diaminopimelic acid, PGN; peptidoglycan) from two strains of Escherichia coli (PGN-K12 and PGN-O111:B4) over time. Results Transcript profiling was assessed using function-targeted cDNA microarray hybridisation (n = 36) and results show differential responses to both PGNs that are both time and treatment dependent. Wild type E. coli (K12) generated an increase in transcript number/diversity over time whereas PGN-O111:B4 stimulation resulted in a more specific and intense response. In line with this, Gene Ontology analysis (GO) highlights a specific transcriptomic remodelling for PGN-O111:B4 whereas results obtained for PGN-K12 show a high similarity to a generalised inflammatory priming response where multiple functional classes are related to ribosome biogenesis or cellular metabolism. Prostaglandin release was induced by both PGNs and macrophages were significantly more sensitive to PGN-O111:B4 as suggested from microarray data. Conclusion Responses at the level of the transcriptome and the inflammatory outcome (prostaglandin synthesis) highlight the different sensitivity of the macrophage to slight differences (serotype) in peptidoglycan structure. Such divergent responses are likely to involve differential receptor sensitivity to ligands or indeed different receptor types. Such changes in biological response will likely reflect upon pathogenicity of certain serotypes and the development of disease.
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Functionalization impacts the effects of carbon nanotubes on the immune system of rainbow trout, Oncorhynchus mykiss. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2010; 100:211-217. [PMID: 20732719 DOI: 10.1016/j.aquatox.2010.07.023] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2010] [Revised: 07/14/2010] [Accepted: 07/20/2010] [Indexed: 05/29/2023]
Abstract
Recent studies have demonstrated the potential for manufactured nanomaterials to reach the aquatic environment. There is a need to determine if these materials will have an impact on aquatic species and at what level of exposure. In addition there is a need to develop models to test the potential effects of the multitude of particle types in production on aquatic vertebrates. The purpose of this research was to determine the impact of manufactured nanomaterials on the immune system of an aquatic vertebrate model, the rainbow trout (Oncorhynchus mykiss). We investigated how structure and type of functionalization of manufactured nanomaterials could affect immunotoxicity. To assess immunotoxicity, we used a well-studied trout macrophage primary cell culture system in conjunction with the expression of IL-1β and IFNα for proinflammatory and antiviral gene expression. There was a significant difference among the different carbon nanotube-based nanomaterials in their level of stimulation of IL-1β in macrophage cells and the dose at which they became stimulatory. At concentrations that were sublethal to cells, almost all nanomaterials were stimulatory at some concentration. Single-walled nanotubes and multi-walled nanotubes that were differentially functionalized to be water-soluble, varied in their effects; specifically the concentrations at which they were stimulatory and they were more stimulatory to IL-1β expression compared with unfunctionalized nanotubes. Each functionalized nanotube type caused a dose-dependent response with the lowest exposures (0.05-1.0 μg/ml) having no stimulatory response and at the highest concentrations (5 μg/ml and 10 μg/ml) stimulating a response similar to the positive LPS positive control. Anionic functionalized multi-walled nanotubes and zwitterionic single-walled nanotubes were stimulatory at the lowest dose (0.5 μg/ml). Sodium deoxycholate, often used to suspend nanomaterials, was also tested and was as stimulatory to the immune cells as the nanomaterials. This study is the first report of the effects of nanomaterials on the function of the immune system in a nonmammalian vertebrate. Since the innate immune system is the first to respond to the intrusion of foreign material, analysis of the effects of nanomaterials on cells of the innate immune system should provide valuable information on how these materials are perceived and affect an animal. Ultimately such research will provide the means to determine which nanomaterials are most harmful to aquatic species and how particles may be altered or functionalized to decrease their toxicity.
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Life-Threatening Hemorrhage From a Traumatic Aneurysm of the Posterior Meningeal Artery: Treatment with Coil Embolization. ACTA ACUST UNITED AC 2010; 72:162-5. [DOI: 10.1055/s-0030-1253347] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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A genetic basis for the phenotypic differentiation between siscowet and lean lake trout (Salvelinus namaycush). Mol Ecol 2010; 19 Suppl 1:176-96. [PMID: 20331779 DOI: 10.1111/j.1365-294x.2009.04481.x] [Citation(s) in RCA: 96] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In Lake Superior there are three principal forms of lake trout (Salvelinus namaycush): lean, siscowet and humper. Wild lean and siscowet differ in the shape and relative size of the head, size of the fins, location and size of the eyes, caudal peduncle shape and lipid content of the musculature. To investigate the basis for these phenotypic differences, lean and siscowet lake trout, derived from gametes of wild populations in Lake Superior, were reared communally under identical environmental conditions for 2.5 years. Fish were analysed for growth, morphometry and lipid content, and differences in liver transcriptomics were investigated using Roche 454 GS-FLX pyrosequencing. The results demonstrate that key phenotypic differences between wild lean and siscowet lake trout such as condition factor, morphometry and lipid levels, persist in these two forms when reared in the laboratory under identical environmental conditions. This strongly suggests that these differences are genetic and not a result of environmental plasticity. Transcriptomic analysis involving the comparison of hepatic gene frequencies (RNA-seq) and expression (quantitative reverse transcription-polymerase chain reaction (qPCR)) between the two lake trout forms, indicated two primary gene groups that were differentially expressed; those involving lipid synthesis, metabolism and transport (acyl-CoA desaturase, acyl-CoA binding protein, peroxisome proliferator-activated receptor gamma, and apolipoproteins), and those involved with immunity (complement component C3, proteasome, FK506 binding protein 5 and C1q proteins). The results demonstrate that RNA-seq can be used to identify differentially expressed genes; however, some discrepancies between RNA-seq analysis and qPCR indicate that methods for deep sequencing may need to be refined and/or different RNA-seq platforms utilized.
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Analysis of genes isolated from plated hemocytes of the Pacific oyster, Crassostreas gigas. MARINE BIOTECHNOLOGY (NEW YORK, N.Y.) 2009; 11:24-44. [PMID: 18622569 DOI: 10.1007/s10126-008-9117-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2008] [Accepted: 05/21/2008] [Indexed: 05/26/2023]
Abstract
A complementary deoxyribonucleic acid library was constructed from hemocytes of Crassostrea gigas that had been plated on poly-lysine plates for 24 h. From this library, 2,198 expressed sequence tags (ESTs) of greater than or equal to 100 bp were generated and analyzed. A large number of genes that potentially could be involved in the physiology of the oyster hemocyte were uncovered. They included proteins involved in cytoskeleton rearrangement, proteases and antiproteases, regulators of transcription and translation, cell death regulators, receptors and their associated protein factors, lectins, signal transduction proteins, and enzymes involved in eicosanoid and steroid synthesis and xenobiotic metabolism. Based on their relationship with innate immunity, the expression of selected genes was analyzed by quantitative polymerase chain reaction in gills from bacterial-challenged oysters. Several genes observed in the library were significantly upregulated by bacterial challenge including interleukin 17, astacin, cystatin B, the EP4 receptor for prostaglandin E, the ectodysplasin receptor, c-jun, and the p100 subunit of nuclear factor-kB. Using a similar approach, we have been analyzing the genes expressed in trout macrophages. While there are significant differences between the types of genes present in vertebrate macrophages compared with oyster hemocytes, there are some striking similarities including proteins involved in cytoskeletal rearrangement, proteases and antiproteases, and genes involved in certain signal transduction pathways underlying immune processes such as phagocytosis. Finally, C. virginica homologs of some of the C. gigas genes uncovered in the ESTs were obtained by aligning the ESTs reported here, against the assembled C. virginica ESTs at the National Center for Biotechnology Information.
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The crystal structure of the staphylococcal amidase AmiE reveals the active site of a metalloenzyme. Acta Crystallogr A 2008. [DOI: 10.1107/s0108767308091393] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023] Open
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Rapid accumulation of an interleukin 17 homolog transcript in Crassostrea gigas hemocytes following bacterial exposure. DEVELOPMENTAL AND COMPARATIVE IMMUNOLOGY 2008; 32:1099-1104. [PMID: 18395796 DOI: 10.1016/j.dci.2008.02.006] [Citation(s) in RCA: 80] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2007] [Revised: 02/16/2008] [Accepted: 02/18/2008] [Indexed: 05/26/2023]
Abstract
Interleukin-17 (IL-17) gene models have been found in the sequenced genomes of Strongylocentrotus purpuratus and Caenorhabditis elegans. However, there have been no published reports on the empirical cloning and characterization of any interleukin cDNAs in invertebrates. From a Pacific oyster (Crassostrea gigas) hemocyte cDNA library, two clones were obtained that encoded a protein similar to vertebrate IL-17s. The putative oyster IL-17 homolog (CgIL-17) was 27% identical to rainbow trout IL-17D, 21% to human IL-17D and 24% to an IL-17D-like gene model obtained from the annotation of the sea urchin genome. IL-17s from the oyster, sea urchin, trout and human, contained conserved cysteine residues found in all forms of IL-17 in mammals. Injection of bacteria into C. gigas oysters produced a large and rapid elevation in CgIL-17 transcript abundance in hemocytes, suggesting that this is a very early response gene to pathogens that may be responsible for the stimulation of other immune genes in the oyster.
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Detectability of residual Epiphany and gutta-percha after root canal retreatment using a dental operating microscope and radiographs - an ex vivo study. Int Endod J 2006; 39:558-65. [PMID: 16776760 DOI: 10.1111/j.1365-2591.2006.01126.x] [Citation(s) in RCA: 55] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
AIM To compare the detectability of residual Epiphany and gutta-percha after root canal retreatment using a dental operating microscope and radiographic examination with the residual area measured after rendering the roots transparent. METHODOLOGY Sixty extracted single-rooted maxillary central incisor teeth were enlarged to apical size 40. Thirty canals were filled using vertically compacted Epiphany, the remainder were filled with vertically compacted gutta-percha and AH Plus sealer. After re-instrumentation to apical size 50, radiographs of the roots were taken in buccolingual and mesiodistal direction. Residual filling material was categorized by three observers using the radiographs and a dental operating microscope. The area of remaining material that was made visible by radiographs was measured with the aid of a computer image analysis programme. After clearing the roots, areas of residual filling material on the root canal wall were measured using a microscope. RESULTS Computer image analysis of the radiographs showed significantly smaller areas of remaining gutta-percha and Epiphany compared with the analysis of the transparent teeth that revealed only one absolutely clean root (Epiphany). Especially in the gutta-percha group, the scores determined by the observers using radiographic examination gave an over-optimistic impression of cleanliness compared with the scores determined by the visualization through the microscope. CONCLUSION Especially for remaining gutta-percha, the operating microscopes provided better detection of residual root filling material in retreated maxillary incisor teeth.
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[Interdisciplinary treatment of carotid cavernous fistulas via the superior ophthalmic vein]. MUND-, KIEFER- UND GESICHTSCHIRURGIE : MKG 2006; 10:56-62. [PMID: 16341680 DOI: 10.1007/s10006-005-0654-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
BACKGROUND The endovascular occlusion of symptomatic carotid cavernous fistulae (CCF) via the transfemoral approach is safe and effective. Due to anatomical variations or after unsuccessful transarterial therapy, a direct surgical approach to the superior ophthalmic vein (SOV) may be necessary. CASE REPORTS In two patients with acute ophthalmologic symptoms coil occlusion of the CCF was performed after palpebral incision and cannulation of the SOV. RESULTS In both patients preparation of the SOV was performed successfully and without complications. After coil embolization of the CCF both patients had complete resolution of symptoms within several weeks. During a follow-up of 12 months there were no recurrences, but both patients exhibited moderate blepharoptosis. CONCLUSION Embolization of CCF via a surgically created approach is an effective procedure in selected cases when standard interventional treatment is not possible.
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Pressure dependence of the Raman and infrared spectra of .alpha.-, .beta.-, .gamma.-, and .delta.-octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100506a011] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Laser Raman spectra of .alpha.-, .beta.-, .gamma.-, and .delta.-octahydro-1,3,5,7-tetranitro-1,3,5,7-tetrazocine and their temperature dependence. ACTA ACUST UNITED AC 2002. [DOI: 10.1021/j100466a008] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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The SV40 small t-antigen prevents mammary gland differentiation and induces breast cancer formation in transgenic mice; truncated large T-antigen molecules harboring the intact p53 and pRb binding region do not have this effect. Oncogene 2001; 20:2325-32. [PMID: 11402328 DOI: 10.1038/sj.onc.1204355] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2000] [Revised: 01/26/2001] [Accepted: 02/05/2001] [Indexed: 11/09/2022]
Abstract
We report here for the first time, that the SV40 small t-antigen inhibits mammary gland differentiation during mid-pregnancy and that about 10% of multiparous WAP-SVt transgenic animals develop breast tumors with latencies ranging from 10-17 months. Cyclin D1 is deregulated and over expressed in the small t-antigen positive mammary gland epithelial cells (ME-cells) and in the breast tumor cells. SV40 small t-antigen immortalized ME-cells (t-ME-cells) exhibit a strong intranuclear cyclin D1 staining, also in the absence of external growth factors and the cells continue to divide for several days without serum. In addition, the expression rate of cyclin E and p21(Waf1) but not of p53 is increased. Coimmunoprecipitation experiments revealed that p21(Waf1) is mainly associated with the cyclin D/CDK4 but not with the cyclin E/CDK2 complex. WAP-SVT transgenic animals exhibit an almost regular mammary gland development until late pregnancy but the majority of the ME-cells are eliminated by apoptosis during the early lactation period. Tumor formation is delayed and less efficient than in T/t-antigen positive animals. Sequestration of p53 and pRb by the N-terminal truncated T-antigen molecules (T1-antigen and T2-antigen) does not affect mammary gland differentiation and the transgenic animals (WAP-SVBst-Bam) do not develop breast tumors.
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MESH Headings
- Animals
- Antigens, Polyomavirus Transforming/genetics
- Antigens, Polyomavirus Transforming/physiology
- Binding Sites
- Cell Differentiation/physiology
- Cell Transformation, Neoplastic
- Cyclin D1/biosynthesis
- Cyclin D1/physiology
- Female
- Gene Expression Regulation/physiology
- Mammary Glands, Animal/cytology
- Mammary Glands, Animal/immunology
- Mammary Glands, Animal/physiology
- Mammary Neoplasms, Experimental/genetics
- Mammary Neoplasms, Experimental/immunology
- Mammary Neoplasms, Experimental/pathology
- Mice
- Mice, Transgenic
- Pregnancy
- Retinoblastoma Protein/genetics
- Retinoblastoma Protein/metabolism
- Tumor Suppressor Protein p53/genetics
- Tumor Suppressor Protein p53/metabolism
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Serial glycosylated hemoglobin levels in diabetic recipients of pancreatic transplants. Transplant Proc 1990; 22:649-50. [PMID: 2183435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Recurrent diabetes mellitus in the pancreas iso- and allograft. A light and electron microscopic and immunohistochemical analysis of four cases. J Transl Med 1985; 53:132-44. [PMID: 3894793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
Four patients with type 1 diabetes mellitus received segmental pancreatic grafts. The donors were HLA-identical twins in three patients and an HLA-identical sibling in one. Each patient had normal glucose metabolism in the posttransplantation period but impaired graft function developed after 6 to 12 weeks. Complete loss of function developed in three patients. The fourth patient received immunosuppressive therapy but continues to require a low dose of insulin 15 months following transplantation. Pancreatic graft biopsy at the time of declining graft function in three patients revealed a mononuclear cell infiltrate centered upon islets consisting of variable numbers of T11 (pan T), OKT8 (suppressor-killer), OKT9 (transferrin receptor), OKT10 (activated), and HLA-DR-reactive mononuclear cells, as well as 63D3 and OKM1 reactive monocytes. Biopsies obtained following loss of graft function revealed resolution of the inflammatory process and selective destruction of all islet beta-cells in two patients, whereas graft biopsy in one patient demonstrated a mononuclear cell infiltrate in islets containing demonstrable beta-cells but no infiltrate in islets without beta-cells. Following immunosuppressive therapy the fourth patient showed resolution of the insulitis and destruction of beta-cells in 70% of the islets. The variable numbers of beta-cells observed in the remaining islets likely account for the relatively low amount of exogenous insulin required by this patient. There was no immunohistologic evidence of humoral mediated immune reaction in any of the biopsies. It is postulated that selective beta-cell destruction was a consequence of cell-mediated immunity leading to recurrent diabetes mellitus.
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Measurement of pion-induced deuteron breakup at 150 MeV. PHYSICAL REVIEW. C, NUCLEAR PHYSICS 1985; 31:1563-1565. [PMID: 9952685 DOI: 10.1103/physrevc.31.1563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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28
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Correction. Ring[Chain Tautomerism in Anions Derived from Substituted (Arylideneamino)toluenes and (Arylideneamino)oxindoles. J Org Chem 1983. [DOI: 10.1021/jo00174a615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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29
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Presumed neurotrophic skeletal disease in diabetic kidney transplant recipients. JAMA 1983; 249:1317-9. [PMID: 6338256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A retrospective review of kidney transplant cases from 1969 to 1974 revealed a 20% incidence of neuropathic skeletal disease among diabetic patients, with the highest incidence occurring in the third and fourth years after transplantation. There were no identifiable differences in immunosuppressive drug management and sex predilection among nondiabetic kidney transplant recipients and the diabetic kidney transplant recipients. The presence of painless swelling in the lower extremity of these at-risk patients should be considered an early sign of impending pathological fracture, joint disruption, or both.
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Abstract
A patient with congenital generalized lipodystrophy developed nephrotic syndrome with progressive renal glomerulosclerosis attributed to diabetic nephropathy. Renal transplantation was performed and the patient was discharged with normal renal function. Marked hyperlipidemia (17,500 mg/dl) persisted. One month later renal malfunction developed, and an open renal biopsy was performed when there was no response to antirejection therapy. Massive lipid deposition in renal tubular cells with tubular necrosis and hemorrhage was present but only minimal evidence of graft rejection. Rejection therapy was tapered and renal function stabilized. Death occurred 2 months later because of pulmonary sepsis. Patients with generalized lipodystrophy and severe hyperlipidemia may be at an unusually high risk for renal homograft destruction.
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31
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Timing of single daily meal influences relations among human circadian rhythms in urinary cyclic AMP and hemic glucagon, insulin and iron. EXPERIENTIA 1976; 32:1081-4. [PMID: 182528 DOI: 10.1007/bf01933983] [Citation(s) in RCA: 48] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Relations among circadian rhythms in serum iron, glucagon and insulin and urinary cyclic AMP excretion differ drastically when diurnally active, nocturnally resting human adults consume all daily food for one week as breakfast only and for another week as dinner only - a finding of interest to diverse fields, e.g., for optimizing certain kinds of therapy or for a better utilization of calories.
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Abstract
To gain further insight into the genetic determinants of diabetic small vessel disease, we studied 22 HLA antigens in 110 juvenile-onset, insulin-dependent diabetics with terminal glomerulosclerosis and retinopathy, who were being prepared for kidney transplant. HLA antigens were comtemporarily determined in non-diabetic kidney transplant recipients and healthy controls. The frequency of antigens A1 and B8 were significantly higher in diabetics than in controls (P less than .02 and .011), but the frequency of BW15 was normal. The data are compatible with the concept that juvenile diabetes with microangiopathy is one of the HLA-B8 associated disorders.
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