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Sleep quality is a vital determinant of human health as sleep disorders are associated with cognitive deficits, and chronic sleep deprivation is associated with a broad range of health complications. Previous studies on the association between the gut microbiome and sleep quality have been constrained by small sample sizes or have focused on specific sleep disorders, thus yielding inconsistent results. Herein, we investigated the relationship between microbial composition and sleep quality in a cohort of 159 Koreans. Sleep quality was measured using the Pittsburgh Sleep Quality Index (PSQI), determined through a self-administered questionnaire. Gut microbiome analyses were performed using 16S rRNA amplicons. We found no direct correlation between microbial alpha diversity metrics and sleep; however, we identified differences in beta diversity among sleep quality groups (with a PSQI score > 5 indicating poor sleep quality and PSQI ≤5 indicating good sleep quality). We also found differential microbial signatures (Bacteroides, Prevotella 9, and Faecalibacterium) among the groups. Furthermore, functional metabolic pathway profiles revealed significant linear correlations of the L-arginine and L-tryptophan biosynthetic pathways as well as 4-aminobutanoate degradation with sleep status. In particular, Faecalibacterium prausnitzii, which harbors these metabolic pathways, showed differences between sleep quality groups and a linear association with sleep quality scores and was thus identified as the species most strongly associated with sleep status. This study provides a significant advance in our understanding of the relationship between gut microbiota and sleep regulation. The current findings provide a basis for further research into potential therapeutic strategies for sleep disorders targeting the gut microbiome.
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Numerous risk factors play a role in the causation of stroke, and the cardiometabolic condition is a one of the most important. In Korea, various treatment methods are employed based on the constitutional type, which is known to differ significantly in cardiometabolic disease. In this study, we compared the estimates obtained for different groups by applying the Mendelian randomization method to investigate the causal effects of genetic characteristics on stroke, according to constitutional type. In clinical analysis, the subtypes differ significantly in diabetes or dyslipidemia. The genetic association estimates for the stroke subtype risk were obtained from MEGASTROKE, the International Stroke Genetics Consortium (ISGC), UKbiobank, and BioBank Japan (BBJ), using group-related SNPs as instrumental variables. The TE subtypes with higher risk of metabolic disease were associated with increased risk (beta = 4.190; s.e. = 1.807; p = 0.035) of cardioembolic stroke (CES), and the SE subtypes were associated with decreased risk (beta = -9.336, s.e. = 1.753; p = 3.87 × 10-5) of CES. The findings highlight the importance of personalized medicine in assessing disease risk based on an individual's constitutional type.
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OBJECTIVES: This study used National Health Insurance claims data from Korea to report the prevalence of sleep disorders and treatment status, including traditional Korean medicine, in the last 10 years. METHODS: This is a retrospective cohort study in Korea. All diagnosis and prescription data, including herbal medicine claims, from the Health Insurance Review and Assessment Service from 2011 to 2020 were reviewed. Prevalence estimation, direct medical expenses and prescribed amounts for sleep disorders were recorded. RESULTS: The prevalence of sleep disorders increased from 3 867 975 (7.62%) in 2011 to 7 446 846 (14.41%) in 2020, nearly doubling over 10 years. Insomnia was observed in 91.44% (n=9 011 692) of the patients. The mean number of hospital visits per patient for sleep disorders was 11.5 (±26.62). Benzodiazepines are the most commonly prescribed medications for sleep disorders, and gamma-isoyosan is the most frequently prescribed herbal medicine. CONCLUSIONS: Sleep disorders are continuously increasing, as is the use of medical services-personal and social medical expenses are also increasing accordingly. Sleep disorders should be recognised as a significant health problem that needs to be actively addressed to improve quality of life.
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Calidad de Vida , Trastornos del Sueño-Vigilia , Humanos , Estudios Retrospectivos , Prevalencia , Trastornos del Sueño-Vigilia/tratamiento farmacológico , Trastornos del Sueño-Vigilia/epidemiología , República de Corea/epidemiología , Extractos VegetalesRESUMEN
BACKGROUND: The biological clock allows an organism to anticipate periodic environmental changes and adjust its physiology and behavior accordingly. OBJECTIVE: This retrospective cross-sectional study examined circadian gene polymorphisms and clinical characteristics associated with insulin resistance (IR). METHODS: We analyzed data from 1,404 Korean adults aged 30 to 55 with no history of cancer and cardio-cerebrovascular disease. The population was classified according to sex and homeostasis model assessment of insulin resistance (HOMA-IR) values. Demographics, anthropometric and clinical characteristics, and single nucleotide polymorphisms (SNPs) were analyzed with respect to sex, age, and HOMA-IR values. We used association rule mining to identify sets of SNPs from circadian and metabolic sensing genes that may be associated with IR. RESULTS: Among the subjects, 15.0% of 960 women and 24.3% of 444 men had HOMA-IR values above 2. Most of the parameters differed significantly between men and women, as well as between the groups with high and low insulin sensitivity. Body fat mass of the trunk, which was significantly higher in insulin-resistant groups, had a higher correlation with high sensitivity C-reactive protein and hemoglobin levels in women, and alanine aminotransferase and aspartate aminotransferase levels in men. Homozygous minor allele genotype sets of SNPs rs17031578 and rs228669 in the PER3 gene could be more frequently found among women with HOMA-IR values above 2 (p = .014). CONCLUSION: Oxidative stress enhanced by adiposity and iron overload, which may also be linked to NRF2 and PER3-related pathways, is related to IR in adulthood. However, due to the small population size in this study, more research is needed.
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Resistencia a la Insulina , Masculino , Adulto , Humanos , Femenino , Resistencia a la Insulina/genética , Índice de Masa Corporal , Estudios Retrospectivos , Estudios Transversales , Polimorfismo de Nucleótido Simple , República de CoreaRESUMEN
Cold-inducible RNA-binding-protein (CIRP) is a cold shock protein that plays a protective role in genotoxic stress response. CIRP modulates inflammation in human diseases, inhibits cell proliferation, and protects cells from genotoxic damage during cellular stress. The mild cold responsive element and specificity protein 1 (SP1) play a role in Cirp expression at low temperatures. Although previous studies have provided insights into the immune functions of SP1 or CIRP, the mechanisms by which CIRP and SP1 me diate inflammatory responses remain largely unknown. Therefore, in the current study, we examined whether Cirp expression is affected by genetic factors related to temperature sensitivity as well as under low temperature. We performed a genome-wide association study on cold sensitivity in 2,000 participants. Fifty-six genome-wide significant trait-locus pairs were identified (p<1×10-5, false discovery rate < 0.05). Among these variants, rs1117050 and rs11170510 had a strong linkage disequilibrium (r2 > 0.8) relationship and expression quantitative trait locus-associated signals with the nearest Sp1 gene. We confirmed that the minor alleles of rs11170510 and rs58123204 were associated with increased Sp1 expression. Additionally, Sp1 overexpression led to CIRP translocation from the nucleus to the cytoplasm. CIRP protein levels increased in serum samples that had minor alleles of rs11170510 and rs58123204. Levels of various pro-inflammatory cytokines were also significantly increased in human peripheral blood mononuclear cells with minor alleles of rs11170510 and rs58123204. These results suggest that genetic factors related to cold sensitivity regulate CIRP expression and function and provide valuable insights into prediction of potential diseases through analysis of inherent genetic factors in humans.
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Proteínas y Péptidos de Choque por Frío , Proteínas del Tejido Nervioso/metabolismo , Proteínas de Unión al ARN , Proteínas y Péptidos de Choque por Frío/genética , Proteínas y Péptidos de Choque por Frío/metabolismo , Citocinas/genética , Citocinas/metabolismo , Estudio de Asociación del Genoma Completo , Humanos , Leucocitos Mononucleares/metabolismo , ARN , Proteínas de Unión al ARN/metabolismo , Factor de Transcripción Sp1/genética , Factor de Transcripción Sp1/metabolismoRESUMEN
This supplementary data supports the research article 'Genome-wide DNA methylation profiling reveals candidate biomarkers and probable molecular mechanism of metabolic syndrome' (Baek et al., in press). To obtain these data, 32 participants with metabolic syndrome (MetS) were enrolled in the associated study. We collected peripheral blood mononuclear cells (PBMCs) from 11 patients with MetS and nine controls and compared genome-wide gene expression and DNA methylation signatures. The remaining 12 participants were used for the experimental validation of the candidate groups. We provide the raw, analyzed, and filtered genome-wide DNA methylation data, obtained using the Infinium Human MethylationEPIC BeadChIP array, and whole transcriptome sequencing data (accession number GSE181647). We list the differentially expressed and differentially methylated genes and their biological functions. These data can serve as a basis for screening appropriate epigenetic biomarkers for MetS.
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Effective treatments for patients experiencing temperature-related symptoms are limited. The hot and cold effects of traditional herbal medicines have been utilized to treat and manage these symptoms, but their molecular mechanisms are not fully understood. Previous studies with arbitrarily selected herbs and ingredients may have produced biased results. Here, we aim to systematically elucidate the molecular mechanisms of the hot and cold properties of herbal medicines through an unbiased large-scale investigation of herbal ingredients, their target genes, and the transcriptome signatures induced by them. Using data regarding 243 herbs retrieved from two herbal medicine databases, we statistically identify (R)-Linalool, (-)-alpha-pinene, peruviol, (L)-alpha-terpineol, and cymol as five new hot-specific ingredients that share a common target, a norepinephrine transporter. However, no significant ingredients are cold-specific. We also statistically identify 14 hot- and 8 cold-specific new target genes. Pathway enrichment analysis of hot-specific target genes reveals the associated pathways including neurotransmitter reuptake, cold-induced thermogenesis, blood pressure regulation, adrenergic receptor signaling, and cation symporter activity. Cold-specific target genes are associated with the steroid pathway. Transcriptome analysis also shows that hot herbs are more strongly associated with coagulation and synaptic transmission than cold herbs. Our results, obtained from novel connections between herbal ingredients, target genes, and pathways, may contribute to the development of pharmacological treatment strategies for temperature-related pain using medicinal plants.
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Purpose@#Croup is a clinical manifestation of coronavirus disease 2019 (COVID-19) in children. The Omicron variant of severe acute respiratory syndrome coronavirus 2 usually causes an upper respiratory tract infection. We investigated the differences between croups caused by COVID-19 and by other respiratory viruses (ORV). @*Methods@#We reviewed clinical characteristics, therapeutic measures, and the Westley Croup Score of children with croup who visited the emergency department of Gyeongsang National University Hospital from January 1 through April 7, 2022. According to the laboratory-confirmed viruses, they were divided into 2 groups: COVID-19 and ORV. Between the 2 groups, we compared the abovementioned features. Moderate-to-severe croup was defined by a Westley Croup Score of 3 or higher. @*Results@#A total of 20 children were diagnosed with croup caused by COVID-19 (n = 11; median age, 18 months) or by ORV (n = 9; 7 months). Median Westley Croup Score was higher in the COVID-19 group than in the ORV group (5.0 [range, 0-10.0] vs. 2.0 [1.0-5.0]; P = 0.031). Among the components of the scoring system, only stridor showed a significant difference (e.g., “stridor at rest”: COVID-19, 8 of 11 vs. ORV, 2 of 9; P = 0.046). Median C-reactive protein concentration was higher in the COVID-19 group (3.2 vs. 0.4 mg/L; P = 0.007). Severity of the COVID-19 group was marginally higher than that of the ORV group in terms of the median oxygen saturation (95% vs. 98%; P = 0.056) and the proportions of moderate-to-severe croup (9 of 11 vs. 3 of 9; P = 0.065) and application of high-flow nasal cannula (4 of 11 vs. 0 of 9; P = 0.094). @*Conclusion@#Croup caused by COVID-19 during the period of dominance of the Omicron variant outbreak might be more severe than croup caused by ORV.
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Purpose@#The purpose of this study is to identify e-health literacy, job-esteem, self-efficacy and health promoting behaviors and to identify affecting the health promoting behaviors among of nurses in small and medium-sized hospital based on the IMB Model. @*Methods@#The research design for this study was a descriptive survey using convenience sampling. Data collection was done using online questionnaires completed by 121 nurses in small and medium-sized hospital in D,C and S cities. The data were analyzed using percentage, mean, standard deviation, t-test, ANOVA, Scheffé ́ test, Pearson correlation analysis and hierarchical multiple regression with the SPSS/WIN 23.0 Program. @*Results@#The mean score of health promoting behaviors was 3.65±0.55 out of a possible 5. Health promoting behaviors showed a significantly positive correlation with e-health literacy (r=.39, p<.001), job-esteem (r=.62, p<.001) and self-efficacy (r=.31, p=.001). In the hierarchical multiple regression analysis, job-esteem (β=.47, p<.001), self-efficacy (β=.18, p=.010) and e-health literacy (β=.15, p=.049) were significant predictors and explained 44% of health promoting behaiviors. @*Conclusion@#The results of the study showed factors that influence health promoting behaviors in nurses in small and medium-sized hospital. Based on the results of the study, health promoting behaviors improvement program need to include factors that e-health literacy, job-esteem and self-efficacy.
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BACKGROUND: Mobile health (mHealth) is a major source of health management systems. Moreover, the demand for mHealth, which is in need of change due to the COVID-19 pandemic, is increasing worldwide. Accordingly, interest in health care in everyday life and the importance of mHealth are growing. OBJECTIVE: We developed the MibyeongBogam (MBBG) app that evaluates the user's subhealth status via a smartphone and provides a health management method based on that user's subhealth status for use in everyday life. Subhealth is defined as a state in which the capacity to recover to a healthy state is diminished, but without the presence of clinical disease. The objective of this study was to compare the awareness and status of subhealth after the use of the MBBG app between intervention and control groups, and to evaluate the app's practicality. METHODS: This study was a prospective, open-label, parallel group, randomized controlled trial. The study was conducted at two hospitals in Korea with 150 healthy people in their 30s and 40s, at a 1:1 allocation ratio. Participants visited the hospital three times as follows: preintervention, intermediate visit 6 weeks after the intervention, and final visit 12 weeks after the intervention. Key endpoints were measured at the first visit before the intervention and at 12 weeks after the intervention. The primary outcome was the awareness of subhealth, and the secondary outcomes were subhealth status, health-promoting behaviors, and motivation to engage in healthy behaviors. RESULTS: The primary outcome, subhealth awareness, tended to slightly increase for both groups after the uncompensated intervention, but there was no significant difference in the score between the two groups (intervention group: mean 23.69, SD 0.25 vs control group: mean 23.1, SD 0.25; P=.09). In the case of secondary outcomes, only some variables of the subhealth status showed significant differences between the two groups after the intervention, and the intervention group showed an improvement in the total scores of subhealth (P=.03), sleep disturbance (P=.02), depression (P=.003), anger (P=.01), and anxiety symptoms (P=.009) compared with the control group. CONCLUSIONS: In this study, the MBBG app showed potential for improving the health, especially with regard to sleep disturbance and depression, of individuals without particular health problems. However, the effects of the app on subhealth awareness and health-promoting behaviors were not clearly evaluated. Therefore, further studies to assess improvements in health after the use of personalized health management programs provided by the MBBG app are needed. The MBBG app may be useful for members of the general public, who are not diagnosed with a disease but are unable to lead an optimal daily life due to discomfort, to seek strategies that can improve their health. TRIAL REGISTRATION: Clinical Research Information Service KCT0003488; https://cris.nih.go.kr/cris/search/search_result_st01.jsp?seq=14379.
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COVID-19 , Aplicaciones Móviles , Telemedicina , Estudios de Factibilidad , Humanos , Persona de Mediana Edad , Pandemias , Estudios Prospectivos , República de Corea , SARS-CoV-2RESUMEN
BACKGROUND: Currently, genetic testing is widely used to understand individual characteristics. In Korea, genetic testing has been in use, but not actively in Korean Medicine (KM). To examine the perceptions of genetic testing, we performed online survey to Korean Medicine doctors (KMDs). METHODS: The survey was a mobile-based study that was developed by 6 survey specialists based on electronic database search results. The questionnaire consisted of 6 categories: general characteristics of respondents, understanding of genetic testing, demand for using genetic testing, application field and utilization level of genetic testing, limitations of genetic testing, and plans and necessary efforts to begin using genetic testing based on an 11-point Likert scale. RESULTS: With the response rate of 27.2% (nâ¯=â¯544), 46.9% of respondents answered that they understood the definition and mechanism of genetic testing. About 80% of KMDs responded that they would be willing to use genetic testing results; a notable reason for this was the need for more objective and evidence-based test results. KMDs recognized that genetic testing could not only provide personalized treatment and care, but also help communicate with patients. CONCLUSIONS: This study observed KMDs' perceptions of the potential clinical benefits of genetic testing. We confirmed that development of genetic testing technology, knowledge of their use, and new technology-friendly policies are essential for expanding the genetic testing technology in Korean medicine.
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Purpose@#The association of the initial serum ammonia level with in-hospital mortality in patients with acute glufosinate-ammonium herbicide poisoning was studied. @*Methods@#This retrospective cohort study was conducted between March 2012 and August 2019 in the emergency department after glufosinate-ammonium herbicide poisoning. Survivors and non-survivors were analyzed using a Mann-Whitney U test and Fisher’s exact test. Multivariate logistic regression analysis was performed to determine the independent risk factors for mortality. @*Results@#One hundred and six patients were enrolled; 11 died, yielding a mortality of 10.4%. The serum bicarbonate level was significantly lower in the non-survival group than the survival group. Age, serum ammonia, blood urea nitrogen, creatinine levels, SOFA score, and APACHE II score were significantly higher in the non-survival group than the survival group. Age, serum ammonia, and creatinine level were independent risk factors for mortality in multivariate logistic regression analysis. @*Conclusion@#The initial serum ammonia level is associated with mortality in patients with acute glufosinate herbicide poisoning.
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Purpose@#The association of the initial serum ammonia level with in-hospital mortality in patients with acute glufosinate-ammonium herbicide poisoning was studied. @*Methods@#This retrospective cohort study was conducted between March 2012 and August 2019 in the emergency department after glufosinate-ammonium herbicide poisoning. Survivors and non-survivors were analyzed using a Mann-Whitney U test and Fisher’s exact test. Multivariate logistic regression analysis was performed to determine the independent risk factors for mortality. @*Results@#One hundred and six patients were enrolled; 11 died, yielding a mortality of 10.4%. The serum bicarbonate level was significantly lower in the non-survival group than the survival group. Age, serum ammonia, blood urea nitrogen, creatinine levels, SOFA score, and APACHE II score were significantly higher in the non-survival group than the survival group. Age, serum ammonia, and creatinine level were independent risk factors for mortality in multivariate logistic regression analysis. @*Conclusion@#The initial serum ammonia level is associated with mortality in patients with acute glufosinate herbicide poisoning.
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Genetic and environmental influences on age at menarche (AAM) have rarely been examined in Asian females. This study aimed to investigate the heritability of AAM in South Korean female twins. The AAM data from 1370 female twins (933 monozygotic [MZ] twins, 294 dizygotic [DZ] twins and 160 female members of opposite-sex DZ twins) born between 1988 and 2001 were analyzed. The age of the sample at the time of the assessment ranged from 16 to 28 years with a mean of 19.3 (SD = 2.2) years. The mean AAM in the total sample was 12.49 (SD = 1.41) years. Although the mean AAM decreased with increasing birth years, it levelled off in birth years 2000-2001. Maximum likelihood MZ and DZ twin correlations were 0.72 [95% CI (0.67, 0.76)] and 0.35 [95% CI (0.19, 0.50)], respectively. The results of model-fitting analysis indicated that the additive genetic and individual-specific environmental effects were 72% [95% CI (67%, 76%)] and 28% [95% CI (24%, 33%)], respectively. Neither nonadditive genetic nor shared environmental effects were significant.
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Menarquia , Carácter Cuantitativo Heredable , Sistema de Registros/estadística & datos numéricos , Gemelos Dicigóticos/genética , Gemelos Monocigóticos/genética , Adolescente , Adulto , Edad de Inicio , Niño , Ambiente , Femenino , Humanos , República de Corea , Adulto JovenRESUMEN
Somatization is known to be more prevalent in Asian than in Western populations. Using a South Korean adolescent and young adult twin sample (N = 1754; 367 monozygotic male, 173 dizygotic male, 681 monozygotic female, 274 dizygotic female and 259 opposite-sex dizygotic twins), the present study aimed to estimate heritability of somatization and to determine common genetic and environmental influences on somatization and hwabyung (HB: anger syndrome). Twins completed self-report questionnaires of the HB symptoms scale and the somatization scale via a telephone interview. The results of the general sex-limitation model showed that 43% (95% CI [36, 50]) of the total variance of somatization was attributable to additive genetic factors, with the remaining variance, 57% (95% CI [50, 64]), being due to individual-specific environmental influences, including measurement error. These estimates were not significantly different between the two sexes. The phenotypic correlation between HB and somatization was .53 (p < .001). The bivariate model-fitting analyses revealed that the genetic correlation between the two symptoms was .68 (95% CI [.59, .77]), while the individual-specific environmental correlation, including correlated measurement error, was .41 (95% CI [.34, .48]). Of the additive genetic factors of 43% that influence somatization, approximately half (20%) were associated with those related to HB, with the remainder being due to genes unique to somatization. A substantial part (48%) of individual environmental variance in somatization was unrelated to HB; only 9% of the environmental variance was shared with HB. Our findings suggest that HB and somatization have shared genetic etiology, but environmental factors that precipitate the development of HB and somatization may be largely independent from each other.
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Ira , Enfermedades en Gemelos/genética , Gemelos Dicigóticos/genética , Gemelos Monocigóticos/genética , Adolescente , Pueblo Asiatico/genética , Enfermedades en Gemelos/fisiopatología , Enfermedades en Gemelos/psicología , Ambiente , Femenino , Humanos , Masculino , Modelos Genéticos , Sistema de Registros , Caracteres Sexuales , Encuestas y Cuestionarios , Gemelos Dicigóticos/psicología , Gemelos Monocigóticos/psicología , Adulto JovenRESUMEN
PURPOSE: To study the performance of the combined models of Pediatric Risk of Admission (PRISA) scores I and II and Creactive protein (CRP) for prediction of hospitalization in febrile children who visited the emergency department.METHODS: We reviewed febrile children aged 4 months-17 years who visited a tertiary hospital emergency department between January and December 2017. White blood cell count, CRP concentration, the PRISA scores, and systemic inflammatory response syndrome score were calculated. We compared areas under the curves (AUCs) of the admission decision support tools for hospitalization using receiver operating characteristic curve analysis.RESULTS: Of 1,032 enrolled children, 423 (41.0%) were hospitalized. CRP and the PRISA scores were significantly higher in the hospitalization group than in the discharge group (all P < 0.001). Among the individual tools, CRP showed the highest AUC (0.69; 95% confidence interval [CI], 0.66–0.72). AUC was 0.71 (95% CI, 0.69–0.74) for the combined model of the PRISA I score and CRP, and 0.71 (95% CI, 0.68–0.74) for that of the PRISA II score and CRP. The AUC of PRISA score I and CRP combined was significantly higher than that of isolated CRP (P = 0.048).CONCLUSION: The combined model of the PRISA I score and CRP may be useful in predicting hospitalization of febrile children in emergency departments.
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Niño , Humanos , Área Bajo la Curva , Proteína C-Reactiva , Técnicas de Apoyo para la Decisión , Urgencias Médicas , Servicio de Urgencia en Hospital , Fiebre , Hospitalización , Recuento de Leucocitos , Admisión del Paciente , Curva ROC , Síndrome de Respuesta Inflamatoria Sistémica , Centros de Atención TerciariaRESUMEN
OBJECTIVE@#The National Early Warning Score (NEWS) is used widely to detect deteriorating patients in a range of clinical situations. This study examined the ability of the NEWS to predict poor outcomes in trauma patients.@*METHODS@#This was a retrospective observational study using a dataset collected prospectively from trauma patients who visited the emergency department of a tertiary referral center in the southern area of the Republic of Korea. The area under the receiver operating curves (AUC) of the Revised Trauma Score (RTS) and NEWS were compared. The primary outcome was in-hospital mortality.@*RESULTS@#Among 17,661 patients finally enrolled, 66.3% were male, and the median age was 49 (34-64). The AUC of the NEWS and RTS were 0.878 (95% confidence interval [CI], 0.873–0.883) and 0.827 (95% CI, 0.821–0.833) (AUC difference, 0.051; 95% CI, 0.025–0.077; P<0.01), respectively. The sensitivity and specificity of the NEWS were 74.0% and 91.2%, respectively, at a cutoff of four, and those of the RTS were 67.7% and 96.1%, respectively, at 7.55.@*CONCLUSION@#The NEWS showed better performance in predicting the in-hospital mortality of patients with trauma compared to the RTS.