1000 resultados para Emeishan large igneous province
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. État du Kérala. Région du Malabar]
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[Traditions. Asie. Inde. Présidence de Madras [i.e. Chennai]]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. Etat du Tamil Nadu. Thanjavur]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. Etat du Tamil Nadu. Tinnevelly]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. Etat du Karnataka. Mysore]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. Etat du Karnara]
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[Traditions. Asie. Inde. Présidence de Madras [i.e. Chennai]]
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[Traditions. Asie. Inde. Province de Madras [i.e. Chennai]. État du Kérala. Kochi]
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We study the minimum mean square error (MMSE) and the multiuser efficiency η of large dynamic multiple access communication systems in which optimal multiuser detection is performed at the receiver as the number and the identities of active users is allowed to change at each transmission time. The system dynamics are ruled by a Markov model describing the evolution of the channel occupancy and a large-system analysis is performed when the number of observations grow large. Starting on the equivalent scalar channel and the fixed-point equation tying multiuser efficiency and MMSE, we extend it to the case of a dynamic channel, and derive lower and upper bounds for the MMSE (and, thus, for η as well) holding true in the limit of large signal–to–noise ratios and increasingly large observation time T.
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[Traditions. Asie. Inde. Présidence de Bombay. Pakistan. Province du Sind. Haidarābād]
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Identification of genetic risk factors for albuminuria may alter strategies for early prevention of CKD progression, particularly among patients with diabetes. Little is known about the influence of common genetic variants on albuminuria in both general and diabetic populations. We performed a meta-analysis of data from 63,153 individuals of European ancestry with genotype information from genome-wide association studies (CKDGen Consortium) and from a large candidate gene study (CARe Consortium) to identify susceptibility loci for the quantitative trait urinary albumin-to-creatinine ratio (UACR) and the clinical diagnosis microalbuminuria. We identified an association between a missense variant (I2984V) in the CUBN gene, which encodes cubilin, and both UACR (P = 1.1 × 10(-11)) and microalbuminuria (P = 0.001). We observed similar associations among 6981 African Americans in the CARe Consortium. The associations between this variant and both UACR and microalbuminuria were significant in individuals of European ancestry regardless of diabetes status. Finally, this variant associated with a 41% increased risk for the development of persistent microalbuminuria during 20 years of follow-up among 1304 participants with type 1 diabetes in the prospective DCCT/EDIC Study. In summary, we identified a missense CUBN variant that associates with levels of albuminuria in both the general population and in individuals with diabetes.
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The purpose of this booklet is to educate the public about advance directives. By doing so, we hope to increase the use of advance directives, as well as the quality and accuracy of the documents themselves. The reader is led through a series of steps that ultimately lead to filling out the advance directive documents in an informed manner.
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Introduction: In a prior study, we demonstrated that ACVBP + consolidation was superior to 3 cycles of CHOP + radiotherapy in young patients (pts) with localized aggressive lymphoma (Reyes F et al. N Engl J Med 2005;352:1197). This randomized trial compared in these pts ACVBP vs. ACVBP + a short course of rituximab (R-ACVBP).Methods: untreated pts between 18 and 65y with stage I/II DLBCL and no adverse prognostic factors according to the aa-IPI were eligible. ACVBP consisted of 3 induction cycles given every 2 weeks: doxorubicin (75 mg/m2) day 1, cyclophosphamide (1.2g/m2) day 1, vindesine (2 mg/m2) day 1 and 5, bleomycin (10 mg) day 1 and 5, prednisone (60 mg/m2) day 1 to 5 followed by consolidation with metothrexate, ifosfamide, VP-16 and cytarabine. R-ACVBP consisted of the same regimen combined with 4 doses of rituximab (375 mg/m2) on day 1, 15, 29 and 43. Primary objective was EFS.Results: From 01/04 to 03/08, 223 pts were randomized, 113 in ACVBP and 110 in R-ACVBP arm. Characteristics were: median age 49y (18-65), stage I 63%, extranodal involvement 45%, bulky disease 4%. CR was 94% in ACVBP and 97% in ACVBP arm (ns). With a median follow-up of 43 months, the 3-y EFS was 82% (95% CI, 73% to 88%) in ACVBP and 93% (95% CI, 87% to 97%) in R-ACVBP group (P=0.0487). The 3-y PFS was 83% (95% CI, 74% to 89%) and 95% (95% CI, 89% to 98%) respectively (P=0.0205). OS did not significantly differ with a 3-y estimates of 97% (95% CI, 90% to 99%) for ACVBP and 98% (95% CI, 92% to 100%) for R-ACVBP (P=0.686). In multivariate analysis, a longer PFS was associated with R-ACVBP arm (P=0.0302) and lower b2-m level (P=0.0164). The same proportion of pts (27%) experienced at least 1 SAE in both groups. There were 4 deaths in each arm, with 1 treatment-related death in R-ACVBP (pneumocystis jiroveci pneumonia).Conclusion: the addition of only 4 doses of rituximab to ACVBP significantly improves EFS and PFS in younger pts with low-risk localized DLBCL.
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Lake Geneva is one of the largest European lakes with a surface area of 580 km2. Its catchment area covers 7400 km2, of which approximately 20% is arable land. Monitoring campaigns have been carried out in 2004 and 2005 to determine the contamination of the lake by pesticides. The results highlight the widespread presence of herbicides in water, the measured concentrations for most substances remaining constant in 2004 and 2005. However, for some individual herbicides the concentrations increased drastically (e.g., the herbicide foramsulfuron). We assessed the environmental risk of the herbicides detected in the lake using water quality criteria recently determined for the Swiss environmental protection agency. Furthermore, we assessed the risk of herbicide mixtures, grouped based upon their mode of action. Generally, the risk estimated for all single substances is low, except for some sulfonylurea compounds. For these substances, the measured concentrations are higher than the predicted no-effect concentration. Impact on the flora of the lake can therefore not be excluded. When mixtures of pesticides with similar mode of action are taken into account, the risk remains lower than the mixture water quality criteria for all groups, but can reach as high as one third of this quality criteria. A further step would therefore be to assess the risk of the total pesticide mixture, including similar and dissimilar modes of action
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PURPOSE: To report a large deletion that encompasses more than 90% of PRPF31 gene and two other neighboring genes in their entirety in an adRP pedigree that appears to show only the typical clinical features of retinitis pigmentosa. METHODS: To identify PRPF31 mutation in a dominant RP family (ADRP2) previously linked to the RP11 locus, the 14 exons of PRPF31 were screened for mutations by direct sequencing. To investigate the possibility of a large deletion, microsatellite markers near PRPF31 gene were analyzed by non-denaturing PAGE. RESULTS: Initial screening of PRPF31 gene in the ADRP2 family did not reveal an obvious mutation. A large deletion was however suspected due to lack of heterozygosity for nearly all PRPF31 intragenic single nucleotide polymorphysm (SNPs). In order to estimate the size of the deletion, SNPs and microsatellite markers spanning and flanking PRPF31 were analyzed in the entire ADRP2 family. Haplotype analysis with the above markers suggested a deletion of approximately 30 kb that included the putative promoter region of a novel gene OSCAR, the entire genomic content of genes NDUFA3, TFPT and more than 90% of PRPF31 gene. Sequence analysis of the region flanking the potential deletion showed a high presence of Alu elements implicating Alu mediated recombination as the mechanism responsible for this event. CONCLUSIONS: This mutation provides evidence that haploinsufficiency rather than aberrant function of mutated proteins is the cause of disease in these adRP patients with mutations in PRPF31 gene.