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Sökning: WFRF:(Hu Wei) > Örebro universitet

  • Resultat 1-7 av 7
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1.
  • Cao, Huiming, et al. (författare)
  • Effect of Enterohepatic Circulation on the Accumulation of Per- and Polyfluoroalkyl Substances : Evidence from Experimental and Computational Studies
  • 2022
  • Ingår i: Environmental Science and Technology. - : American Chemical Society (ACS). - 0013-936X .- 1520-5851. ; 56:5, s. 3214-3224
  • Tidskriftsartikel (refereegranskat)abstract
    • The pharmacokinetic characteristics of per- and polyfluoroalkyl substances (PFAS) affect their distribution and bioaccumulation in biological systems. The enterohepatic circulation leads to reabsorption of certain chemicals from bile back into blood and the liver and thus influences their elimination, yet its influence on PFAS bioaccumulation remains unclear. We explored the role of enterohepatic circulation in PFAS bioaccumulation by examining tissue distribution of various PFAS in wild fish and a rat model. Computational models were used to determine the reabsorbed fractions of PFAS by calculating binding affinities of PFAS for key transporter proteins of enterohepatic circulation. The results indicated that higher concentrations were observed in blood, the liver, and bile compared to other tissues for some PFAS in fish. Furthermore, exposure to a PFAS mixture on the rat model showed that the reabsorption phenomenon appeared during 8-12 h for most long-chain PFAS. Molecular docking calculations suggest that PFAS can bind to key transporter proteins via electrostatic and hydrophobic interactions. Further regression analysis adds support to the hypothesis that binding affinity of the apical sodium-dependent bile acid transporter is the most important variable to predict the human half-lives of PFAS. This study demonstrated the critical role of enterohepatic circulation in reabsorption, distribution, and accumulation of PFAS.
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2.
  • Hu, Kejia, et al. (författare)
  • Risk of Psychiatric Disorders Among Spouses of Patients With Cancer in Denmark and Sweden
  • 2023
  • Ingår i: JAMA Network Open. - : American Medical Association. - 2574-3805. ; 6:1
  • Tidskriftsartikel (refereegranskat)abstract
    • IMPORTANCE: There is emerging evidence that spouses of patients with cancer may have a higher prevalence of mental illness, but these studies have been limited by pre-post designs, focus on a single mental illness, and short follow-up periods. OBJECTIVES: To assess the overall burden of psychiatric disorders among spouses of patients with cancer vs spouses of individuals without cancer and to describe possible changes in this burden over time.DESIGN, SETTING, AND PARTICIPANTS: This population based cohort study included spouses of patients with cancer (diagnosed 1986-2016 in Denmark and 1973-2014 in Sweden; exposed group) and spouses of individuals without cancer (unexposed group). Members of the unexposed group were individually matched to individuals in the exposed group on the year of birth, sex, and country. Spouses with and without preexisting psychiatric morbidity were analyzed separately. Data analysis was performed between May 2021 and January 2022. EXPOSURES: Being spouse to a patient with cancer.MAIN OUTCOMES AND MEASURES: The main outcome was a clinical diagnosis of psychiatric disorders through hospital-based inpatient or outpatient care. Flexible parametric models and Cox models were fitted to estimate hazard ratios (HRs) with 95% CIs, adjusted for sex, age and year at cohort entry, country, household income, and cancer history.RESULTS: Among 546 321 spouses in the exposed group and 2 731 574 in the unexposed group who had no preexisting psychiatry morbidity, 46.0% were male participants, with a median (IQR) age at cohort entry of 60 (51-68) years. During follow-up (median, 8.4 vs 7.6 years), the incidence rate of first-onset psychiatric disorders was 6.8 and 5.9 per 1000 person-years for the exposed and unexposed groups, respectively (37 830 spouses of patients with cancer [6.9%]; 153 607 of spouses of individuals without cancer [5.6%]). Risk of first-onset psychiatric disorders increased by 30% (adjusted HR, 1.30; 95% CI, 1.25-1.34) during the first year after cancer diagnosis, especially for depression (adjusted HR, 1.38; 95% CI, 1.30-1.47) and stress-related disorders (adjusted HR, 2.04; 95% CI, 1.88-2.22). Risk of first-onset psychiatric disorders increased by 14% (adjusted HR, 1.14; 95% CI, 1.13-1.16) during the entire follow-up, which was similar for substance abuse, depression, and stress-related disorders. The risk increase was more prominent among spouses of patients diagnosed with a cancer with poor prognosis (eg, pancreatic cancer: adjusted HR, 1.41; 95% CI, 1.32-1.51) or at an advanced stage (adjusted HR, 1.31; 95% CI, 1.26-1.36) and when the patient died during follow-up (adjusted HR, 1.29; 95% CI, 1.27-1.31). Among spouses with preexisting psychiatric morbidity, the risk of psychiatric disorders (first-onset or recurrent) increased by 23% during the entire follow-up (adjusted HR, 1.23; 95% CI, 1.20-1.25).CONCLUSIONS AND RELEVANCE: In this cohort study of 2 populations in Denmark and Sweden, spouses of patients with cancer experienced increased risk of several psychiatric disorders that required hospital-based specialist care. Our results support the need for clinical awareness to prevent potential mental illness among the spouses of patients with cancer.
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3.
  • Hu, Yuning, et al. (författare)
  • Cooking methods affect the intake of per- and polyfluoroalkyl substances (PFASs) from grass carp
  • 2020
  • Ingår i: Ecotoxicology and Environmental Safety. - : Academia Press. - 0147-6513 .- 1090-2414. ; 203
  • Tidskriftsartikel (refereegranskat)abstract
    • Consumption of fish is one of the predominant sources of human exposure to per- and polyfluoroalkyl substances (PFASs). In this study, the effect of various cooking methods (boiling, steaming, grilling and frying) on the levels of PFASs in fish muscle and the intake of PFASs was explored by using grass carp collected from Tangxun Lake, Wuhan, China. Perfluorooctane sulfonate (PFOS) was the predominant PFASs in raw fish fillets, with the concentrations ranging from 59.6 to 136 ng/g ww, followed by perfluorobutane sulfonate (PFBS) (7.73-51.9 ng/g ww). The concentrations of long-chain PFASs in fish increased after cooking, while those of short-chain PFASs decreased. The amounts of PFASs in the cooked fish fillets decreased except PFOS. Short-chain PFASs, including PFBS and perfluoroheptanoic acid (PFHpA), were dominant in cooking juice. The highest amounts of PFBS in the juices were observed after boiling and frying, even higher than those in cooked fish fillets, suggesting that the release of short-chain PFASs to the cooking juices could not be neglected. Based on these results, the intake of short-chain PFASs amount through cooked fish fillets slightly decreased, but the intake of PFOS amount increased. However, consumption of cooking juice (fish soup) could increase the exposure risk of PFBS. Comprehensively considering the increase of PFOS and decrease of total PFASs, boiling may be the relatively better method to cook fish. As PFASs are ubiquitous and inevitable in aquatic food, it is thus important to choose appropriate cooking processes and dietary habits for reducing the intake of different PFASs from fish.
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5.
  • Li, Yuchen, et al. (författare)
  • Public awareness, emotional reactions and human mobility in response to the COVID-19 outbreak in China : a population-based ecological study
  • 2022
  • Ingår i: Psychological Medicine. - : Cambridge University Press. - 0033-2917 .- 1469-8978. ; 52:9, s. 1793-1800
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: The outbreak of COVID-19 generated severe emotional reactions, and restricted mobility was a crucial measure to reduce the spread of the virus. This study describes the changes in public emotional reactions and mobility patterns in the Chinese population during the COVID-19 outbreak.Methods: We collected data on public emotional reactions in response to the outbreak through Weibo, the Chinese Twitter, between January 1st and March 31st, 2020. Using anonymized location-tracking information, we analyzed the daily mobility patterns of approximately 90% of Sichuan residents.Results: There were three distinct phases of the emotional and behavioral reactions to the COVID-19 outbreak. The alarm phase (January 19th –26th) was a restriction-free period, characterized by few new daily cases, but enormous public negative emotions (the number of negative comments per Weibo post increased by 246.9 per day, 95%CI: 122.5–371.3), and a substantial increase in self-limiting mobility (from 45.6% to 54.5%, changing by 1.5% per day, 95%CI: 0.7%–2.3%). The epidemic phase (January 27th –February 15th) exhibited rapidly increasing numbers of new daily cases, decreasing expression of negative emotions (a decrease of 27.3 negative comments per post per day, 95%CI: −40.4–−14.2), and a stabilized level of self-limiting mobility. The relief phase (February 16th –March 31st) had a steady decline in new daily cases and decreasing levels of negative emotion and self-limiting mobility.Conclusions: During the COVID-19 outbreak in China, the public’s emotional reaction was strongest before the actual peak of the outbreak and declined thereafter. The change in human mobility patterns occurred before the implementation of restriction orders, suggesting a possible link between emotion and behavior.
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6.
  • Liu, Qianwei, et al. (författare)
  • Suicide Attempt and Suicide Death Among Spouses of Patients With Cancer
  • 2024
  • Ingår i: JAMA Oncology. - : American Medical Association (AMA). - 2374-2437 .- 2374-2445.
  • Tidskriftsartikel (refereegranskat)abstract
    • IMPORTANCE: Little is known about the risk of suicidal behavior in relation to having a spouse with a cancer diagnosis.OBJECTIVE: To estimate the risk of suicide attempt and suicide death among spouses of patients with cancer.DESIGN, SETTING, AND PARTICIPANTS: This nationwide cohort study in Denmark collected registry-based data from 1986 through 2016. Analyses were performed from August 8, 2022, to October 30, 2023. Individuals who had a spouse with a cancer diagnosed during 1986 to 2015 were compared with individuals whose spouse did not have a cancer diagnosis during the same period, randomly selected from the general population and matched by birth year and sex.EXPOSURE: Having a spouse with a cancer diagnosis.MAIN OUTCOMES AND MEASURES: Suicide attempt was identified through the Danish National Patient Register and the Danish Psychiatric Central Research Register, whereas suicide death was identified through the Danish Causes of Death Register, through 2016. Flexible parametric and Cox proportional hazards models were used to estimate hazard ratios (HRs) and 95% CIs for suicide attempt and suicide death among spouses of patients with a cancer diagnosis.RESULTS: The study included 409 338 exposed individuals and 2 046 682 unexposed individuals (median [IQR] age at cohort entry for both groups, 63 [54-70] years; 55.4% women). During the follow-up, 2714 incident cases of suicide attempt among exposed individuals (incidence rate [IR], 62.6 per 100 000 person-years) and 9994 among unexposed individuals (IR, 50.5 per 100 000 person-years) were identified, as well as 711 cases of suicide death among the exposed individuals (IR, 16.3 per 100 000 person-years) and 2270 among the unexposed individuals (IR, 11.4 per 100 000 person-years). An increased risk of suicide attempt (HR, 1.28; 95% CI, 1.23-1.34) and suicide death (HR, 1.47; 95% CI, 1.35-1.60) was observed among spouses of patients with cancer throughout the follow-up. The increased risk was particularly notable during the first year after the cancer diagnosis, with an HR of 1.45 (95% CI, 1.27-1.66) for suicide attempt and 2.56 (95% CI, 2.03-3.22) for suicide death. There was a greater risk increase for both suicide attempt and suicide death when the cancer was diagnosed at an advanced stage or when the spouse died after the cancer diagnosis.CONCLUSIONS AND RELEVANCE: These findings suggest a need for clinical and societal awareness to prevent suicidal behaviors among spouses of patients with cancer, particularly during the first year following the cancer diagnosis.
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7.
  • Momozawa, Y, et al. (författare)
  • IBD risk loci are enriched in multigenic regulatory modules encompassing putative causative genes
  • 2018
  • Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 9:1, s. 2427-
  • Tidskriftsartikel (refereegranskat)abstract
    • GWAS have identified >200 risk loci for Inflammatory Bowel Disease (IBD). The majority of disease associations are known to be driven by regulatory variants. To identify the putative causative genes that are perturbed by these variants, we generate a large transcriptome data set (nine disease-relevant cell types) and identify 23,650 cis-eQTL. We show that these are determined by ∼9720 regulatory modules, of which ∼3000 operate in multiple tissues and ∼970 on multiple genes. We identify regulatory modules that drive the disease association for 63 of the 200 risk loci, and show that these are enriched in multigenic modules. Based on these analyses, we resequence 45 of the corresponding 100 candidate genes in 6600 Crohn disease (CD) cases and 5500 controls, and show with burden tests that they include likely causative genes. Our analyses indicate that ≥10-fold larger sample sizes will be required to demonstrate the causality of individual genes using this approach.
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