5 research outputs found
Investigation on Abnormal Gear Rattle Noise in Automated Manual Transmission (AMT) after Gear Upshifting
Effect of westernization on oral health among college students of Udaipur City, India
BACKGROUND: There is overwhelming evidence that periodontal disease and dental caries affect the majority of populations and that western culture and lifestyle may have a profound influence on oral health, especially in adults. The present study was performed to determine the effect of westernization on the oral health of college students of Udaipur City, Rajasthan. METHODS: A descriptive cross-sectional study was conducted among students attending various professional and non-professional bachelor\u27s degree colleges of Udaipur City, Rajasthan, India, from March 2013 to May 2013. Eight hundred students were selected based on a two-stage random sampling procedure. Westernization was assessed by a self-administered structured questionnaire. Periodontal status, dental caries status and malocclusion were assessed according to World Health Organization (WHO) criteria (1997). Statistical analysis was performed using chi-square and Multivariate logistic regression. The confidence level and level of significance were set at 95 and 5 %, respectively. RESULTS: The present study suggested that adverse habits, listening to English music and preferring English food had a significant association with dental caries and periodontal diseases. Malocclusion also showed a significant relationship with consuming English food for snacks and desserts. Multivariate analysis revealed a significantly greater odds ratio () for periodontal disease and dental caries among those who preferred English food for lunch. CONCLUSION: Based on the results of the present study, there is an association between westernization and oral health
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FGFR2‐Altered Gastroesophageal Adenocarcinomas Are an Uncommon Clinicopathologic Entity with a Distinct Genomic Landscape
BACKGROUND:With the exception of trastuzumab, therapies directed at receptor tyrosine kinases (RTKs) in gastroesophageal adenocarcinomas (GEA) have had limited success. Recurrent fibroblast growth factor receptor 2 (FGFR2) alterations exist in GEA; however, little is known about the genomic landscape of FGFR2-altered GEA. We examined FGFR2 alteration frequency and frequency of co-occurring alterations in GEA. SUBJECTS, MATERIALS, AND METHODS:A total of 6,667 tissue specimens from patients with advanced GEA were assayed using hybrid capture-based genomic profiling. Tumor mutational burden (TMB) was determined on up to 1.1 Mb of sequenced DNA, and microsatellite instability was determined on 95 or 114 loci. Descriptive statistics were used to compare subgroups. RESULTS:We identified a total of 269 (4.0%) FGFR2-altered cases consisting of FGFR2-amplified (amp; 193, 72% of FGFR2-altered), FGFR2-mutated (36, 13%), FGFR2-rearranged (re; 23, 8.6%), and cases with multiple FGFR2 alterations (17, 6.3%). Co-occurring alterations in other GEA RTK targets including ERBB2 (10%), EGFR (8%), and MET (3%) were observed across all classes of FGFR2-altered GEA. Co-occurring alterations in MYC (17%), KRAS (10%), and PIK3CA (5.6%) were also observed frequently. Cases with FGFR2amp and FGFR2re were exclusively microsatellite stable. The median TMB for FGFR2-altered GEA was 3.6 mut/mb, not significantly different from a median of 4.3 mut/mb seen in FGFR2 wild-type samples. CONCLUSION:FGFR2-altered GEA is a heterogenous subgroup with approximately 20% of FGFR2-altered samples harboring concurrent RTK alterations. Putative co-occurring modifiers of FGFR2-directed therapy including oncogenic MYC, KRAS, and PIK3CA alterations were also frequent, suggesting that pretreatment molecular analyses may be needed to facilitate rational combination therapies and optimize patient selection for clinical trials. IMPLICATIONS FOR PRACTICE:Actionable receptor tyrosine kinase alterations assayed within a genomic context with therapeutic implications remain limited to HER2 amplification in gastroesophageal adenocarcinomas (GEA). Composite biomarkers and heterogeneity assessment are critical in optimizing patients selected for targeted therapies in GEA. Comprehensive genomic profiling in FGFR2-altered GEA parallels the heterogeneity findings in HER2-amplified GEA and adds support to the utility of genomic profiling in advanced gastroesophageal adenocarcinomas