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Nevin Manimala Statistics

The effects of unsaturated fatty acids on psoriasis: A two-sample Mendelian randomization study

Food Sci Nutr. 2023 Jul 5;11(10):6073-6084. doi: 10.1002/fsn3.3543. eCollection 2023 Oct.

ABSTRACT

Unsaturated fatty acids have been reported to be associated with the risk of psoriasis. However, the causal relationship between them remains unclear This study aimed to explore the causal relationship between unsaturated FAs and psoriasis. Firstly, we obtained genome-wide association study (GWAS) data for psoriasis from the FINNGEN database (number of cases = 4510, number of controls = 212,242) and different FA levels (number of samples = 114,999) from the IEU OpenGWAS Project. Secondly, the genetic correlation coefficient was calculated using linkage disequilibrium fractional regression. Thirdly, a two-sample Mendelian randomization (MR) analysis was performed using independent instrumental variables (p < 5 × 10-8) to determine the direction of randomization. Finally, expression quantitative trait loci (eQTL)-related analyses of common single nucleotide polymorphisms (SNPs) were carried out to explore the potential molecular mechanisms of unsaturated FAs affecting psoriasis. We found that an increase in the ratio of monounsaturated fatty acids (MUFAs) to total fatty acids could increase the risk of psoriasis (inverse-variance weighted [IVW], adjusted odds ratio [OR] = 1.175; adjusted 95% confidence interval [CI] = 1.045-1.321; adjusted p = .007). However, an increase in the ratio of polyunsaturated fatty acids (PUFAa) to total fatty acids could decrease the risk of psoriasis (IVW, adjusted OR = 0.754; adjusted 95% CI = 0.631-0.901; adjusted p = .002). Moreover, an increase in the ratio of PUFAs to MUFAs could decrease the risk of psoriasis (IVW, adjusted OR = 0.823; adjusted 95% CI = 0.715-0.948; adjusted p = .007). The heterogeneity of data was eliminated, and pleiotropy was not detected. There was no statistical difference in the MR analysis of other fatty acids indices with psoriasis. Further, no statistically significant evidence was found to verify a causal relationship between psoriasis and fatty acid levels in reverse MR. Functional enrichment analysis showed that these eQTL related to common SNPs were mainly involved in organic ion transport, choline metabolism, and the expression of key metabolic factors mediated by PKA, ChREBP, and PP2A. Our study indicated that the ratio of MUFAs to total fatty acids had a positive causal effect on psoriasis, while the ratio of PUFAs to total fatty acids and the ratio of PUFAs to MUFAs had a negative causal effect on psoriasis. Moreover, PKA-, PP2A-, and ChREBP-mediated activation of metabolic factors may play an important role in this process.

PMID:37823124 | PMC:PMC10563715 | DOI:10.1002/fsn3.3543

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Food safety knowledge among 7th-grade middle school students: A report of a Brazilian municipal school using workshop-based educational strategies

Food Sci Nutr. 2023 Aug 6;11(10):6447-6458. doi: 10.1002/fsn3.3587. eCollection 2023 Oct.

ABSTRACT

Practical methodologies that include food safety and hygiene education in pedagogical activities are strategies to prevent foodborne diseases (FBDs). Thus, the aim of this study was to investigate the knowledge of 7th-grade middle school students regarding food microbiology and food safety, and to apply workshop-based educational strategies that focus on scientific literacy. The students (144) were initially evaluated using a Likert-scale questionnaire (pre-intervention, Q0) with ten objective questions on microbiology and food safety. Once the questionnaire was evaluated, interventions were conducted through five science workshops of 50 min, over a period of 5 months. The workshops included educational games, laboratory practices, videos, and lectures that addressed microorganisms that are known to cause the most common FBDs in Brazil. After each workshop, students were asked to express their opinions and understanding of the content through semi-structured interviews. Six months after the end of the practical interventions, the students completed a second identical Likert-scale questionnaire (post-intervention, Q1), and the answers to both questionnaires (Q0 and Q1) were analyzed by calculating the middle rank. The middle rank of Q1 (mean = 0.65 ± 0.13) was 21% greater than the middle rank of Q0 (mean = 0.44 ± 0.16), and statistical significance was observed (p = .0135). This demonstrates that new information acquired during the workshops positively influenced learning. We believe that when practical approaches to food safety are included in school education as a priority, the prevalence of FBD will decrease.

PMID:37823090 | PMC:PMC10563696 | DOI:10.1002/fsn3.3587

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Probing the potential of bioactive compounds of millets as an inhibitor for lifestyle diseases: molecular docking and simulation-based approach

Front Nutr. 2023 Sep 26;10:1228172. doi: 10.3389/fnut.2023.1228172. eCollection 2023.

ABSTRACT

Millets are becoming more popular as a healthy substitute for people with lifestyle disorders. They offer dietary fiber, polyphenols, fatty acids, minerals, vitamins, protein, and antioxidants. The nutritional importance of millets leads to the present in-silico study of selective bioactive compounds docked against the targets of lifestyle diseases, viz., diabetes, hypertension, and atherosclerosis using molecular docking and molecular simulations approach. Pharmacokinetic analysis was also carried out to analyse ADME properties and toxicity analysis, drug-likeliness, and finally target prediction for new targets for uncharacterized compounds or secondary targets for recognized molecules by Swiss Target Prediction was also done. The docking results revealed that the bioactive compound flavan-4-ol, among all the 50 compounds studied, best docked to all the four targets of lifestyle diseases, viz., Human dipeptidyl peptidase IV (-5.94 kcal mol-1 binding energy), Sodium-glucose cotransporter-2 (-6.49 kcal mol-1) diabetes-related enzyme, the Human angiotensin-converting enzyme (-6.31 kcal mol-1) which plays a significant role in hypertension, and Proprotein convertase subtilisin kexin type 9 (-4.67 kcal mol-1) for atherosclerosis. Molecular dynamics simulation analysis substantiates that the flavan-4-ol forms a better stability complex with all the targets. ADMET profiles further strengthened the candidature of the flavan-4-ol bioactive compound to be considered for trial as an inhibitor of targets DPPIV, SGLT2, PCSK9, and hACE. We suggest that more research be conducted, taking Flavon-4-ol into account where it can be used as standard treatment for lifestyle diseases.

PMID:37823087 | PMC:PMC10562582 | DOI:10.3389/fnut.2023.1228172

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Survival rate of indirectly bonded brackets using single vs. two-component orthodontic adhesive: A 12-month split-mouth clinical trial

Saudi Dent J. 2023 Sep;35(6):657-662. doi: 10.1016/j.sdentj.2023.05.017. Epub 2023 May 24.

ABSTRACT

OBJECTIVE: Compare the bonding survival rate of two distinct bonding materials: Ortho Solo + Gradia LoFlo Resin and single component GC Ortho Connect.

MATERIALS AND METHODS: Indirect bonding fixed appliance treatment was required for 26 consecutive patients, 8 males and 18 females, with a mean age of 22.1 +/- 4.2 years. All patients were treated with SWM (Straight-Wire Mirabella) technique (Sweden and Martina, Due Carrare, Padova, Italy). Each patient’s bonding process followed a contralateral pattern. Firstly, a 37 % orthophosphoric acid etching gel was used for 20 s, subsequently the single or two components light-cured adhesives were applied through a split-mouth cross-arch procedure. The patients underwent a 12-month follow-up period and brackets failures were rebounded, but not further included in the study. Statistical analysis was performed to analyse the survival rate of the bonding materials and the influence of the variables, with a significant level of α = 0,05.

RESULTS: The GC Connect group was used on 349 teeth, while the Ortho Solo + Gradia group was used on 351 teeth, and the indirect debonding rate was respectively 17.5% and 12.8%. With respect to the total sample, statistically significant values were found for both sex and dental arch. The bracket’s survival rate for incisors, canines, premolars and molars was not significant. However, a higher debonding rate was clinically appreciable in upper and lower molars.

CONCLUSION: In a 12-months observation period, considering all maxillary and mandibular teeth the indirect survival rate for the group GC Ortho Connect and Ortho Solo + Gradia was respectively 82.5% and 87.2%. Although the difference was not significant, a pronounced tendency to debonding for the single component group was appreciable from a clinically point of view.

PMID:37823083 | PMC:PMC10562160 | DOI:10.1016/j.sdentj.2023.05.017

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A comparative clinico-radiographic analysis of regenerative endodontic procedure on immature necrotic permanent teeth using blood clot and PRF as scaffold: A retrospective study

Saudi Dent J. 2023 Sep;35(6):753-759. doi: 10.1016/j.sdentj.2023.05.026. Epub 2023 Jun 2.

ABSTRACT

OBJECTIVES: To evaluate the clinical and radiographic success rate of blood clot and platelet rich fibrin (PRF) as a scaffold system in regenerative endodontic procedure in immature traumatized necrotic teeth..

MATERIALS AND METHODS: This retrospective study examined the records of 28 subjects with necrotic immature open apex due to trauma treated with blood clot or PRF as a scaffold in regenerative endodontic procedure. The disinfection was carried out with calcium hydroxide as an intra-canal medicament. The clinical outcome was recorded using a binary variable of presence or absence of pain and intra-oral swelling. The radiographic outcome was recorded for periapical healing using Ørstavik’s Periapical Index and apical response using Chen and Chen index. Comparison of frequencies of categories of variables with groups was done using the chi-square test. The pairwise comparison of time intervals was done using Wilcoxon Signed Ranks Test.

RESULTS: Intra-group comparison of pain and intra-oral swelling had highly significant (p = 0.000) results for both groups over a period of 12 months. Inter-group comparison for clinical outcomes was insignificant. For the radiographic outcome, there was a statistically non-significant difference for periapical healing and apical response for both intra-group and inter-group comparisons.

CONCLUSION: Both PRF and blood clot have a favourable outcome for a regenerative endodontic procedure with a disinfectant protocol using calcium hydroxide as intracanal medicament. Considering the cumbersome procedure involved in procuring PRF scaffold, especially in children, inducing bleeding can be considered a recommended method for a regenerative endodontic procedure.

PMID:37823081 | PMC:PMC10562131 | DOI:10.1016/j.sdentj.2023.05.026

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Chinese EFL learners’ empowerment: does teacher care and confirmation matter?

Front Psychol. 2023 Sep 26;14:1273004. doi: 10.3389/fpsyg.2023.1273004. eCollection 2023.

ABSTRACT

INTRODUCTION: Inspired by the rhetorical/relational goal theory, the current inquiry evaluated the role of two teacher relational behaviors, namely care and confirmation, in predicting Chinese EFL learners’ empowerment.

METHODS: To do this, we administered three closed-ended scales to 391 Chinese students who studying English as a foreign language in various educational institutions in China. Students’ attitudes toward the interplay between teacher care, teacher confirmation, and learner empowerment were statistically analyzed using IBM SPSS Amos software.

RESULTS: The results uncovered that teacher confirmation and teacher care serve an essential role in improving Chinese EFL learners’ empowerment. This indicates that EFL learners’ empowerment strictly depends on the relational behaviors that teachers employ in instructional-learning contexts.

DISCUSSION: The study outcomes may have some theoretical and practical implications for L2 researchers, language teachers, and teacher trainers.

PMID:37823078 | PMC:PMC10562693 | DOI:10.3389/fpsyg.2023.1273004

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Disease-specific survival of malignant melanoma after Mohs micrographic surgery is not impacted by initial margins: A systematic review and meta-analysis

JAAD Int. 2023 Jun 28;13:140-149. doi: 10.1016/j.jdin.2023.06.009. eCollection 2023 Dec.

ABSTRACT

BACKGROUND: During Mohs surgery for melanoma, evidence has demonstrated that many surgeons opt for smaller initial margins than traditionally recommended (0.5 cm for in situ and 1 cm for invasive). Literature regarding surgical outcomes based on initial margin is sparse.

OBJECTIVE: To determine differences in disease-specific survival of melanoma after Mohs micrographic surgery for varied initial surgical margins.

METHODS: A literature search was conducted on February 14, 2022, from MEDLINE via PubMed (1946-present), Embase (1974-present), Central (1991-present), and Scopus (1960-present). The primary outcome was disease-specific mortality.

RESULTS: Nineteen studies were included for final analysis. The overall disease-specific mortality rate of melanoma in all included studies was 0.5% (CI, 0.1-0.8; P, .010). Disease-specific mortality for 1 to 5, 5, and 6 to 10 mm categories were 0.4% (CI, 0.0-0.9; P, .074), 0.7% (CI, 0.2-1.3; P, .2-1.3), and 0.4% (CI, -0.9 to 1.8; P, .524), respectively. None of the variances across initial margin categories were statistically significant.

LIMITATIONS: Early-stage melanomas have low overall mortality rates. In our associated article, initial margins of 5 to 10 mm were shown to have the lowest rates of local recurrence.

CONCLUSIONS: In this systematic review and meta-analysis, melanoma-specific mortality was not significantly impacted by the initial surgical margin taken during Mohs micrographic surgery.

PMID:37823046 | PMC:PMC10562175 | DOI:10.1016/j.jdin.2023.06.009

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ShinyCore: An R/Shiny program for establishing core collection based on single nucleotide polymorphism data

Plant Methods. 2023 Oct 11;19(1):106. doi: 10.1186/s13007-023-01084-0.

ABSTRACT

BACKGROUND: Managing and investigating all available genetic resources are challenging. As an alternative, breeders and researchers use core collection-a representative subset of the entire collection. A good core is characterized by high genetic diversity and low repetitiveness. Among the several available software, GenoCore uses a coverage criterion that does not require computationally expensive distance-based metrics.

RESULTS: ShinyCore is a new method to select a core collection through two phases. The first phase uses the coverage criterion to quickly attain a fixed coverage, and the second phase uses a newly devised score (referred to as the rarity score) to further enhance diversity. It can attain a fixed coverage faster than a currently available algorithm devised for the coverage criterion, so it will benefit users who have big data. ShinyCore attains the minimum coverage specified by a user faster than GenoCore, and it then seeks to add entries with the rarest allele for each marker. Therefore, measures of genetic diversity and distance can be improved.

CONCLUSION: Although GenoCore is a fast algorithm, its implementation is difficult for those unfamiliar with R, ShinyCore can be easily implemented in Shiny with RStudio and an interactive web applet is available for those who are not familiar with programming languages.

PMID:37821997 | DOI:10.1186/s13007-023-01084-0

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Acceptance of human papillomavirus vaccination and parents’ willingness to vaccinate their adolescents in Ethiopia: a systematic review and meta-analysis

Infect Agent Cancer. 2023 Oct 11;18(1):59. doi: 10.1186/s13027-023-00535-6.

ABSTRACT

INTRODUCTION: Despite the global vaccination campaign to prevent HPV-related morbidity, HPV vaccination uptake remains unacceptably low in the developing world, like Ethiopia. For strong interventional measures, compiled data in the field is required which is otherwise missed in the Ethiopian context. Therefore, this systematic review aimed to provide an estimate of the HPV vaccination uptake, mothers’ willingness to vaccinate their adolescent girls, and associated factors in Ethiopia.

METHODS: Articles were systematically searched using comprehensive search strings from PubMed/Medline, SCOPUS, and grey literature from Google Scholar. Two reviewers assessed study eligibility, extracted data, and assessed the risk of bias independently. Meta-analysis was performed using STATA v 14 to pool the vaccination uptake and mothers’ willingness toward HPV vaccination in Ethiopia.

RESULTS: We included 10 articles published between 2019 and 2022 covering reports of 3,388 adolescent girls and 2,741 parents. All the included articles had good methodological quality. The pooled estimate of the proportion of good knowledge about HPV vaccination and the agreement of girls to get the vaccine was 60% (95%CI: 59-62) and 65% (95%CI: 64-67), respectively. The pooled estimate of vaccination uptake of at least one dose of HPV vaccine among girls was 55% (95%CI: 53-57). Positive attitudes to the vaccine, higher maternal education, and having knowledge about HPV and its vaccine were reported as statistically significant predictors. On the contrary, not having adequate information about the vaccine and concerns about possible side effects were reported as reasons to reject the vaccine. Likewise, the pooled estimate of mothers who were knowledgeable about HPV vaccination, who had a positive attitude, and willing to vaccinate their children were 38% (95%CI: 36-40) 58% (95%CI: 56-60), and 74% (95%CI: 72-75), respectively.

CONCLUSIONS: Knowledge about the HPV vaccine among girls and their vaccination uptake is suboptimal that falls short of the 2030 WHO targets. Therefore, stakeholders need major efforts in rolling out vaccination programs and monitoring their uptake. Social mobilization towards primary prevention of HPV infection should focus on adolescents. The existing strategies need to address the predictors of uptake by educating girls and parents.

PMID:37821992 | DOI:10.1186/s13027-023-00535-6

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Impact of interventions on the quality of life of cancer patients: a systematic review and meta-analysis of longitudinal research

Health Qual Life Outcomes. 2023 Oct 11;21(1):112. doi: 10.1186/s12955-023-02189-9.

ABSTRACT

The impact of cancer interventions has been conducted in several research due to the significant burden of this non-communicable disease. The interventions that played an important role in the improvement of the patient’s quality of life (QoL) and health-related quality of life (HRQL) can be classified into two main groups: pharmaceutical and non-pharmacological methods. However, studies so far often analyze a specific group of interventions for specific types of cancer. Thus, in this systematic review and meta-analysis, we synthesized the overall impact of cancer interventions on patients’ quality of life in several cancers.In this research, we followed the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocols (PRISMA-P) to search the longitudinal original research on the Web of Science (WOS) database. After that, the Newcastle-Ottawa Scale (NOS) and Jadad Scale were used to assess the quality of non-randomized control trials and randomized control trials, respectively. Then, the characteristics of the included studies were described in the six main fields table and the random effect model with robust estimation was applied to analyze the impact of interventions on the health utility of patients.From the database, 122 longitudinal original research were included in the meta-regression, with most of them having high or fair quality. The European Organization for the research and treatment of cancer scale for quality of life (EORTC-QLQ) was the most used health utility measurement at 65.15%. In the adjusted effect models, the Visual Analogue Scale (VAS) had significant statistics in all models when we compared it with the EQ-5D Scale (p < 0.05) and several types of cancer such as breast, lung, and prostate cancer had significant statistics when comparing with hematological cancer in the model types of cancer (p < 0.01). Moreover, radiotherapy, screening, and a combination of chemotherapy and best supportive care also had significant statistics (p < 0.01) in the model of interventions when compared with radiotherapy applied only. Our research can suggest a vital combination of both pharmaceutical and non-pharmacological interventions to improve the quality of life of some common types of cancer patients.

PMID:37821985 | DOI:10.1186/s12955-023-02189-9