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{"title":"Suicide in people prescribed opioid-agonist therapy in Scotland, United Kingdom, 2011-2020: A national retrospective cohort study.","authors":"Rosalyn Fraser, Alan Yeung, Megan Glancy, Matthew Hickman, Hayley E Jones, Saket Priyadarshi, Kirsten Horsburgh, Sharon J Hutchinson, Andrew McAuley","doi":"10.1111/add.16680","DOIUrl":"10.1111/add.16680","url":null,"abstract":"<p><strong>Background and aims: </strong>Opioid dependence is associated with an increased risk of suicide. Drug-related mortality among people with opioid dependence in Scotland has more than tripled since 2010; less is known about changes in suicide risk. We aimed to determine if opioid agonist therapy (OAT) in Scotland is protective against suicide and to measure trends in suicide rates in those with opioid dependence over time.</p><p><strong>Design: </strong>Retrospective cohort study.</p><p><strong>Setting: </strong>Scotland, UK.</p><p><strong>Participants: </strong>46 453 individuals in Scotland who received at least one prescription for OAT between 2011 and 2020 with over 304 000 person-years (pys) of follow-up.</p><p><strong>Measurements: </strong>We calculated standardised mortality ratios (SMR) using the age- and sex-specific suicide rates in Scotland for years 2011-2020. We fitted multivariable competing-risk regression models to estimate suicide rates by OAT exposure and to estimate trends over time, adjusting for potential confounders.</p><p><strong>Findings: </strong>There were 575 deaths classed as suicide among the cohort and the overall suicide rate was 1.89 (95% confidence interval [CI] = 1.74-2.05) per 1000 pys. Age and sex SMR for suicide was 7.05 times (95% CI = 6.50-7.65) higher than in the general population. After adjustment, OAT was shown to be highly protective against suicide, with rates more than three times greater (adjusted hazard ratio: 3.07; 95% CI = 2.60-3.62) off OAT compared with on OAT. Suicide rates decreased over time, falling from 2.57 (95% CI = 2.19-3.02) per 1000 pys in 2011-12 to 1.48 (95% CI = 1.21-1.82) in 2019-20.</p><p><strong>Conclusion: </strong>People with opioid dependence in Scotland appear to have a greater risk of suicide than the general population. Treatment is protective, with rates of suicide lower among those on opioid agonist therapy. Suicide rates have decreased over time, during a period in which drug-related death rates in Scotland have risen to globally high levels.</p>","PeriodicalId":109,"journal":{"name":"Addiction","volume":" ","pages":"276-284"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11707309/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142491354","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Regulation of melanization in aphids by parasitoid wasp venom proteins enhances mummification.","authors":"Jin Zhao, Zheng-Wu Wang, Guangmao Shen, Die Hu, Yi Zhong, Chao Ye, Jin-Jun Wang","doi":"10.1002/ps.8503","DOIUrl":"10.1002/ps.8503","url":null,"abstract":"<p><strong>Background: </strong>Interactions between parasitic insects and their hosts demonstrate the complexity of evolutionary processes. Specifically, the parasitoid wasp Aphidius ervi manipulates its host, the pea aphid Acyrthosiphon pisum, through strategic venom injection to enhance mummification. This study explores how this venom affects the aphid's immune system, particularly targeting the activity of the phenoloxidase (PO) enzyme.</p><p><strong>Results: </strong>Following the injection of venom from A. ervi, significant changes were observed in the expression of immune-related genes in A. pisum, especially notable expression changes of ApPPOs and a reduction of PO activity. Multi-omics sequencing identified 74 potential venom proteins in the venom gland of A. ervi, including serine protease homolog 1 (AeSPH1) and serine protease inhibitor (AeSPN1), hypothesized to regulate PO activity. The injection of recombinant protein AeSPH1 and AeSPN1 into the A. pisum hemocoel selectively reduced the expression of ApPPO1, without affecting ApPPO2, and effectively suppressed melanization. Moreover, RNAi targeting AeSPH1 significantly reduced the mummification rate in A. pisum population parasitized by A. ervi.</p><p><strong>Conclusion: </strong>Our findings clarify the complex biochemical mechanisms underlying host-wasp interactions and highlight potential avenues for developing targeted biological control strategies. © 2024 Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"1017-1025"},"PeriodicalIF":3.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142567141","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Addiction abstract length has been increased to 400 words.","authors":"","doi":"10.1111/add.16738","DOIUrl":"10.1111/add.16738","url":null,"abstract":"","PeriodicalId":109,"journal":{"name":"Addiction","volume":" ","pages":"196"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142783359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Disentangling debate about therapeutic and recreational use of psychedelics.","authors":"Christina Andrews, Wayne Hall, Keith Humphreys, John Marsden","doi":"10.1111/add.16744","DOIUrl":"10.1111/add.16744","url":null,"abstract":"","PeriodicalId":109,"journal":{"name":"Addiction","volume":" ","pages":"213-214"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142826727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predictors of emergency medical transport refusal following opioid overdose in Washington, DC.","authors":"Ben Turley, Kenan Zamore, Robert P Holman","doi":"10.1111/add.16686","DOIUrl":"10.1111/add.16686","url":null,"abstract":"<p><strong>Background and aims: </strong>Patient initiated transport refusal during Emergency Medical Service (EMS) opioid overdose encounters has become an endemic problem. This study aimed to quantify circumstantial and environmental factors which predict refusal of further care.</p><p><strong>Design: </strong>In this cross-sectional analysis, a case definition for opioid overdose was applied retrospectively to EMS encounters. Selected cases had sociodemographic and situational/incident variables extracted using patient information and free text searches of case narratives. 50 unique binary variables were used to build a logistic model.</p><p><strong>Setting: </strong>Prehospital EMS overdose encounters in Washington, DC, USA, from July 2017 to July 2023.</p><p><strong>Participants: </strong>Of EMS encounters in the study timeframe, 14 587 cases were selected as opioid overdoses.</p><p><strong>Measurements: </strong>Predicted probability for covariates was the outcome variable. Model performance was assessed using Stratified K-Fold Cross-Validation and scored with positive predictive value, sensitivity and F1. Prediction accuracy and McFadden's pseudo-R squared are also determined.</p><p><strong>Findings: </strong>The model achieved a predictive accuracy of 78% with a high positive predictive value (0.83) and moderate sensitivity (0.68). Bystander type influenced the refusal outcome, with decreased refusal probability associated with family (nondescript) (-28%) and parents (-16%), while presence of a girlfriend increased it (+28%). Negative situational factors like noted physical trauma (-62%), poor weather (-14%) and lack of housing (-14%) decreased refusal probability. Characteristics of the emergency response team, like a prior crew member encounter (+20%) or crew experience <1 year (-36%), had a variable association with transport.</p><p><strong>Conclusions: </strong>Refusal of emergency transport for opioid overdose cases in Washington, DC, USA, has expanded by 43.8% since 2017. Several social, environmental and systematic factors can predict this refusal. Logistic regression models can be used to quantify broad categories of behavior in surveillance medical research.</p>","PeriodicalId":109,"journal":{"name":"Addiction","volume":" ","pages":"296-305"},"PeriodicalIF":5.2,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142453756","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Parental education and neighbourhood socioeconomic status in the prediction of childhood overweight: A multilevel analysis.","authors":"Timo-Kolja Pförtner, Monika Gube, Thilo Koch, Josef Michels, Simone Dohle, Ibrahim Demirer","doi":"10.1111/ijpo.13181","DOIUrl":"10.1111/ijpo.13181","url":null,"abstract":"<p><strong>Objective: </strong>This study examined cross-level interaction between parental education and neighbourhood SES in predicting overweight including obesity among school-aged children.</p><p><strong>Methods: </strong>This analysis used data from 19 984 children aged 5-6 years participating in the school-entry examination of the years 2015 to 2019 in the Aachen city region in Germany. We employed multilevel logistic regression models to predict overweight based on parental education and neighbourhood SES, along with their cross-level interaction, while controlling for several characteristics of the child.</p><p><strong>Results: </strong>Children from families with intermediate (OR: 1.99; 95% CI, 1.65-2.40) and low parental education (OR: 2.55; 95% CI, 1.92-3.39) and from neighbourhoods with intermediate (OR: 1.25; 95% CI, 1.02-1.53) and low SES (OR: 1.61; 95% CI, 1.29-2.02) were at significantly higher odds for overweight. There was an indication of a cross-level interaction effect (p-value <0.10) to the disadvantage of children with higher parental education, suggesting that inequalities in overweight decrease in more deprived neighbourhoods. The predicted probability of overweight for children with high parental education increased from 6.4% in high SES neighbourhoods to 7.8% in intermediate and 9.9% in low SES neighbourhoods. Sensitivity analyses for obesity and a higher context level of spatial SES confirmed the results.</p><p><strong>Conclusions: </strong>The results highlight the crucial role of both individual and contextual socioeconomic conditions in predicting childhood overweight. They also suggest that the impact of neighbourhood socioeconomic status on childhood overweight varies by parental education, particularly disadvantaging children with higher parental education, indicating a social contagion of overweight through spatial disadvantage.</p>","PeriodicalId":217,"journal":{"name":"Pediatric Obesity","volume":" ","pages":"e13181"},"PeriodicalIF":2.7,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11710947/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142454274","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Superior target genes and pathways for RNAi-mediated pest control revealed by genome-wide analysis in the beetle Tribolium castaneum.","authors":"Benjamin Buer, Jürgen Dönitz, Martin Milner, Sonja Mehlhorn, Claudia Hinners, Janna Siemanowski-Hrach, Julia K Ulrich, Daniela Großmann, Doga Cedden, Ralf Nauen, Sven Geibel, Gregor Bucher","doi":"10.1002/ps.8505","DOIUrl":"10.1002/ps.8505","url":null,"abstract":"<p><strong>Background: </strong>An increasing human population, the emergence of resistances against pesticides and their potential impact on the environment call for the development of new eco-friendly pest control strategies. RNA interference (RNAi)-based pesticides have emerged as a new option with the first products entering the market. Essentially, double-stranded RNAs targeting essential genes of pests are either expressed in the plants or sprayed on their surface. Upon feeding, pests mount an RNAi response and die. However, it has remained unclear whether RNAi-based insecticides should target the same pathways as classic pesticides or whether the different mode-of-action would favor other processes. Moreover, there is no consensus on the best genes to be targeted.</p><p><strong>Results: </strong>We performed a genome-wide screen in the red flour beetle to identify 905 RNAi target genes. Based on a validation screen and clustering, we identified the 192 most effective target genes in that species. The transfer to oral application in other beetle pests revealed a list of 34 superior target genes, which are an excellent starting point for application in other pests. Gene ontology (GO) and Kyoto encyclopedia of genes and genomes (KEGG) analyses of our genome-wide dataset revealed that genes with high efficacy belonged mainly to basic cellular processes such as gene expression and protein homeostasis - processes not targeted by classic insecticides.</p><p><strong>Conclusion: </strong>Our work revealed the best target genes and target processes for RNAi-based pest control and we propose a procedure to transfer our short list of superior target genes to other pests. © 2024 The Author(s). Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.</p>","PeriodicalId":218,"journal":{"name":"Pest Management Science","volume":" ","pages":"1026-1036"},"PeriodicalIF":3.8,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11716340/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142575245","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"农林科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Efficacy of interventions aimed at reducing explicit and implicit weight bias in healthcare students: A systematic review and meta-analysis.","authors":"Ravisha S Jayawickrama, Briony Hill, Moira O'Connor, Stuart W Flint, Erik Hemmingsson, Lucy R Ellis, Yaxing Du, Blake J Lawrence","doi":"10.1111/obr.13847","DOIUrl":"10.1111/obr.13847","url":null,"abstract":"<p><p>We conducted a systematic review and meta-analysis to determine the efficacy of interventions aimed at reducing weight bias in healthcare students, and to explore factors that may impact intervention success. A systematic review and random-effects meta-analyses were conducted by including studies that examined the efficacy of weight bias reduction interventions for healthcare students. Of the 3463 journal articles and dissertations screened, 67 studies (within 64 records) met inclusion criteria, with 35 studies included in the meta-analyses (explicit = 35, implicit [and explicit] = 10) and 32 studies included in the narrative synthesis (explicit = 34, implicit [and explicit] = 3). Weight bias interventions had a small but positive impact, g = -0.31 (95% CI = -0.43 to -0.19, p < 0.001), in reducing students' explicit weight bias but there was no intervention effect on implicit weight bias, g = -0.12 (95% CI = -0.26 to 0.02, p = 0.105). There was considerable heterogeneity in the pooled effect for explicit bias (I² = 74.28, Q = 132.21, df = 34, p < 0.001). All subgroup comparisons were not significant (p > 0.05) and were unable to explain the observed heterogeneity. Narrative synthesis supported meta-analytic findings. The small but significant reduction of explicit weight bias encourages the continued testing of interventions, irrespective of variation in individual intervention components. Contrarily, reductions in implicit weight bias may only be possible from a large societal shift in negative beliefs and attitudes held towards people living in larger bodies.</p>","PeriodicalId":216,"journal":{"name":"Obesity Reviews","volume":" ","pages":"e13847"},"PeriodicalIF":8.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11711078/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142386798","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Branched-chain amino acid metabolism: Pathophysiological mechanism and therapeutic intervention in metabolic diseases.","authors":"Shama Mansoori, Melody Yuen-Man Ho, Kelvin Kwun-Wang Ng, Kenneth King-Yip Cheng","doi":"10.1111/obr.13856","DOIUrl":"10.1111/obr.13856","url":null,"abstract":"<p><p>Branched-chain amino acids (BCAAs), including leucine, isoleucine, and valine, are essential for maintaining physiological functions and metabolic homeostasis. However, chronic elevation of BCAAs causes metabolic diseases such as obesity, type 2 diabetes (T2D), and metabolic-associated fatty liver disease (MAFLD). Adipose tissue, skeletal muscle, and the liver are the three major metabolic tissues not only responsible for controlling glucose, lipid, and energy balance but also for maintaining BCAA homeostasis. Under obese and diabetic conditions, different pathogenic factors like pro-inflammatory cytokines, lipotoxicity, and reduction of adiponectin and peroxisome proliferator-activated receptors γ (PPARγ) disrupt BCAA metabolism, leading to excessive accumulation of BCAAs and their downstream metabolites in metabolic tissues and circulation. Mechanistically, BCAAs and/or their downstream metabolites, such as branched-chain ketoacids (BCKAs) and 3-hydroxyisobutyrate (3-HIB), impair insulin signaling, inhibit adipogenesis, induce inflammatory responses, and cause lipotoxicity in the metabolic tissues, resulting in multiple metabolic disorders. In this review, we summarize the latest studies on the metabolic regulation of BCAA homeostasis by the three major metabolic tissues-adipose tissue, skeletal muscle, and liver-and how dysregulated BCAA metabolism affects glucose, lipid, and energy balance in these active metabolic tissues. We also summarize therapeutic approaches to restore normal BCAA metabolism as a treatment for metabolic diseases.</p>","PeriodicalId":216,"journal":{"name":"Obesity Reviews","volume":" ","pages":"e13856"},"PeriodicalIF":8.0,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11711082/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142491753","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Intravenous iron treatment fuels chronic kidney disease-induced arterial media calcification in rats.","authors":"Astrid Van den Branden, Britt Opdebeeck, Saar Adriaensen, Pieter Evenepoel, Tom Vanden Berghe, Anja Verhulst","doi":"10.1002/path.6375","DOIUrl":"10.1002/path.6375","url":null,"abstract":"<p><p>Arterial media calcification is a severe cardiovascular complication commonly manifesting in patients with chronic kidney disease (CKD). Patients with CKD frequently undergo intravenous iron therapy to address iron deficiency. Iron is suggested to be sequestered in vascular cells, potentially leading to oxidative (lipid) stress and cell death, which are recognized as key contributors to arterial calcification. The objective of this study was to investigate the effect of intravenous iron administration on CKD-induced arterial media calcification. Therefore, adenine-induced CKD rats were treated intravenously with iron and checked for arterial iron deposition and calcification, as well as for ferritin and lipid peroxidation markers. Additionally, arterial sections from patients with CKD who were dialysis dependent were analyzed for these parameters. This study showed that intravenous iron administration in CKD rats led to arterial iron deposition and a lipid peroxidation signature. CKD-induced arterial calcification was increased upon iron treatment and correlated with arterial iron accumulation and lipid peroxidation markers. Patients with CKD who were dialysis dependent showed arterial iron accumulation and elevated lipid peroxidation, but a direct correlation with arterial calcification was lacking. Taken together, iron treatment is suggested as a potential contributor to the calcification process, instead of being a predominant factor, thereby emphasizing the complexity of arterial calcification as a multifactorial disease. © 2024 The Author(s). The Journal of Pathology published by John Wiley & Sons Ltd on behalf of The Pathological Society of Great Britain and Ireland.</p>","PeriodicalId":232,"journal":{"name":"The Journal of Pathology","volume":" ","pages":"172-183"},"PeriodicalIF":5.6,"publicationDate":"2025-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11717497/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142749690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}