1.Roles of Protein Arginine Methyltransferases in the Control of Glucose Metabolism.
Hye Sook HAN ; Dahee CHOI ; Seri CHOI ; Seung Hoi KOO
Endocrinology and Metabolism 2014;29(4):435-440
Glucose homeostasis is tightly controlled by the regulation of glucose production in the liver and glucose uptake into peripheral tissues, such as skeletal muscle and adipose tissue. Under prolonged fasting, hepatic gluconeogenesis is mainly responsible for glucose production in the liver, which is essential for tissues, organs, and cells, such as skeletal muscle, the brain, and red blood cells. Hepatic gluconeogenesis is controlled in part by the concerted actions of transcriptional regulators. Fasting signals are relayed by various intracellular enzymes, such as kinases, phosphatases, acetyltransferases, and deacetylases, which affect the transcriptional activity of transcription factors and transcriptional coactivators for gluconeogenic genes. Protein arginine methyltransferases (PRMTs) were recently added to the list of enzymes that are critical for regulating transcription in hepatic gluconeogenesis. In this review, we briefly discuss general aspects of PRMTs in the control of transcription. More specifically, we summarize the roles of four PRMTs: PRMT1, PRMT 4, PRMT 5, and PRMT 6, in the control of hepatic gluconeogenesis through specific regulation of FoxO1- and CREB-dependent transcriptional events.
Acetyltransferases
;
Adipose Tissue
;
Arginine*
;
Brain
;
Erythrocytes
;
Fasting
;
Gluconeogenesis
;
Glucose*
;
Homeostasis
;
Liver
;
Metabolism*
;
Methyltransferases*
;
Muscle, Skeletal
;
Phosphoric Monoester Hydrolases
;
Phosphotransferases
;
Protein-Arginine N-Methyltransferases
;
Transcription Factors
2.Relationship Between Suicide Attempts and Peripheral Blood Markers in Patients Who Visited the Emergency Department
Seok-Ho CHOI ; Seo-Hyun CHOI ; Seri MAENG ; Jae Nam BAE ; Jeong-Seop LEE ; Won-Hyoung KIM ; Yangsik KIM
Journal of the Korean Society of Biological Psychiatry 2024;31(2):40-50
Objectives:
We investigate relationship between suicide attempts and peripheral blood inflammatory markers in patients visiting the emergency department (ED) for psychiatric consultations, aiming to identify potential biomarkers for predicting suicide risk.
Methods:
We retrospectively reviewed medical records of 569 patients who were referred to psychiatric consultation at the ED from January 1, 2022 to December 31, 2022. Demographic and clinical characteristics and various blood test markers were analyzed. Analyses were performed to compare differences in blood markers between suicide attempters and non-attempters and among those with varying histories of suicide attempts.
Results:
Among 569 patients, 398 (69.9%) had attempted suicide. Significant differences in leukocytes, lymphocytes, eosinophils, red blood cells (RBCs), lactate dehydrogenase (LDH), and ketone bodies were observed between suicide attempters and non-attempters. Further analysis revealed that patients with a history of suicide attempts had higher lymphocyte and eosinophil counts but lower LDH and ketone body levels. An increasing frequency of past suicide attempts correlated with higher lymphocyte and eosinophil count and lower neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, systemic immune inflammatory index, glucose, LDH, and ketone body levels.
Conclusions
We identify blood markers associated with suicide attempts, indicating that leukocyte, lymphocyte, eosinophil, RBC count, LDH, and ketone body levels could serve as potential biomarkers for assessing suicide risk. Findings underscore importance of biological assessments in conjunction with psychological evaluations in predicting and preventing suicide attempts. Further research is needed to validate these biomarkers and understand mechanisms.
3.Relationship Between Suicide Attempts and Peripheral Blood Markers in Patients Who Visited the Emergency Department
Seok-Ho CHOI ; Seo-Hyun CHOI ; Seri MAENG ; Jae Nam BAE ; Jeong-Seop LEE ; Won-Hyoung KIM ; Yangsik KIM
Journal of the Korean Society of Biological Psychiatry 2024;31(2):40-50
Objectives:
We investigate relationship between suicide attempts and peripheral blood inflammatory markers in patients visiting the emergency department (ED) for psychiatric consultations, aiming to identify potential biomarkers for predicting suicide risk.
Methods:
We retrospectively reviewed medical records of 569 patients who were referred to psychiatric consultation at the ED from January 1, 2022 to December 31, 2022. Demographic and clinical characteristics and various blood test markers were analyzed. Analyses were performed to compare differences in blood markers between suicide attempters and non-attempters and among those with varying histories of suicide attempts.
Results:
Among 569 patients, 398 (69.9%) had attempted suicide. Significant differences in leukocytes, lymphocytes, eosinophils, red blood cells (RBCs), lactate dehydrogenase (LDH), and ketone bodies were observed between suicide attempters and non-attempters. Further analysis revealed that patients with a history of suicide attempts had higher lymphocyte and eosinophil counts but lower LDH and ketone body levels. An increasing frequency of past suicide attempts correlated with higher lymphocyte and eosinophil count and lower neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, systemic immune inflammatory index, glucose, LDH, and ketone body levels.
Conclusions
We identify blood markers associated with suicide attempts, indicating that leukocyte, lymphocyte, eosinophil, RBC count, LDH, and ketone body levels could serve as potential biomarkers for assessing suicide risk. Findings underscore importance of biological assessments in conjunction with psychological evaluations in predicting and preventing suicide attempts. Further research is needed to validate these biomarkers and understand mechanisms.
4.Relationship Between Suicide Attempts and Peripheral Blood Markers in Patients Who Visited the Emergency Department
Seok-Ho CHOI ; Seo-Hyun CHOI ; Seri MAENG ; Jae Nam BAE ; Jeong-Seop LEE ; Won-Hyoung KIM ; Yangsik KIM
Journal of the Korean Society of Biological Psychiatry 2024;31(2):40-50
Objectives:
We investigate relationship between suicide attempts and peripheral blood inflammatory markers in patients visiting the emergency department (ED) for psychiatric consultations, aiming to identify potential biomarkers for predicting suicide risk.
Methods:
We retrospectively reviewed medical records of 569 patients who were referred to psychiatric consultation at the ED from January 1, 2022 to December 31, 2022. Demographic and clinical characteristics and various blood test markers were analyzed. Analyses were performed to compare differences in blood markers between suicide attempters and non-attempters and among those with varying histories of suicide attempts.
Results:
Among 569 patients, 398 (69.9%) had attempted suicide. Significant differences in leukocytes, lymphocytes, eosinophils, red blood cells (RBCs), lactate dehydrogenase (LDH), and ketone bodies were observed between suicide attempters and non-attempters. Further analysis revealed that patients with a history of suicide attempts had higher lymphocyte and eosinophil counts but lower LDH and ketone body levels. An increasing frequency of past suicide attempts correlated with higher lymphocyte and eosinophil count and lower neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, systemic immune inflammatory index, glucose, LDH, and ketone body levels.
Conclusions
We identify blood markers associated with suicide attempts, indicating that leukocyte, lymphocyte, eosinophil, RBC count, LDH, and ketone body levels could serve as potential biomarkers for assessing suicide risk. Findings underscore importance of biological assessments in conjunction with psychological evaluations in predicting and preventing suicide attempts. Further research is needed to validate these biomarkers and understand mechanisms.
5.Relationship Between Suicide Attempts and Peripheral Blood Markers in Patients Who Visited the Emergency Department
Seok-Ho CHOI ; Seo-Hyun CHOI ; Seri MAENG ; Jae Nam BAE ; Jeong-Seop LEE ; Won-Hyoung KIM ; Yangsik KIM
Journal of the Korean Society of Biological Psychiatry 2024;31(2):40-50
Objectives:
We investigate relationship between suicide attempts and peripheral blood inflammatory markers in patients visiting the emergency department (ED) for psychiatric consultations, aiming to identify potential biomarkers for predicting suicide risk.
Methods:
We retrospectively reviewed medical records of 569 patients who were referred to psychiatric consultation at the ED from January 1, 2022 to December 31, 2022. Demographic and clinical characteristics and various blood test markers were analyzed. Analyses were performed to compare differences in blood markers between suicide attempters and non-attempters and among those with varying histories of suicide attempts.
Results:
Among 569 patients, 398 (69.9%) had attempted suicide. Significant differences in leukocytes, lymphocytes, eosinophils, red blood cells (RBCs), lactate dehydrogenase (LDH), and ketone bodies were observed between suicide attempters and non-attempters. Further analysis revealed that patients with a history of suicide attempts had higher lymphocyte and eosinophil counts but lower LDH and ketone body levels. An increasing frequency of past suicide attempts correlated with higher lymphocyte and eosinophil count and lower neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, platelet-to-lymphocyte ratio, systemic immune inflammatory index, glucose, LDH, and ketone body levels.
Conclusions
We identify blood markers associated with suicide attempts, indicating that leukocyte, lymphocyte, eosinophil, RBC count, LDH, and ketone body levels could serve as potential biomarkers for assessing suicide risk. Findings underscore importance of biological assessments in conjunction with psychological evaluations in predicting and preventing suicide attempts. Further research is needed to validate these biomarkers and understand mechanisms.
6.Routine Chromosomal Microarray Analysis is Necessary in Korean Patients With Unexplained Developmental Delay/Mental Retardation/Autism Spectrum Disorder.
Saeam SHIN ; Nae YU ; Jong Rak CHOI ; Seri JEONG ; Kyung A LEE
Annals of Laboratory Medicine 2015;35(5):510-518
BACKGROUND: All over the world, chromosomal microarray (CMA) is now the first tier diagnostic assay for genetic testing to evaluate developmental delay (DD), mental retardation (MR), and autism spectrum disorder (ASD) with unknown etiology. The average diagnostic yield of the CMA test is known to be about 12.2%, while that of conventional G-banding karyotype is below 3%. This study aimed to assess the usefulness of CMA for the purpose of clinical diagnostic testing in the Korean population. METHODS: We performed CMA and multiplex ligation-dependent probe amplification (MLPA) tests in 96 patients with normal karyotype and unexplained DD, MR, or ASD. The CMA was conducted with CytoScan 750K array (Affymetrix, USA) with an average resolution of 100 kb. RESULTS: Pathogenic copy number variations (CNVs) were detected in 15 patients by CMA and in two patients by MLPA for four known microdeletion syndromes (Prader-Willi/Angelman syndrome, DiGeorge syndrome, Miller-Dieker syndrome and Williams syndrome) designated by National Health Insurance system in Korea. The diagnostic yield was 15.6% and 2.1%, respectively. Thirteen (13.5%) patients (excluding cases with pathogenic CNVs) had variants of uncertain clinical significance. There was one patient with a 17.1-megabase (Mb) region of homozygosity on chromosome 4q. CONCLUSIONS: Our findings suggest the necessity of CMA as a routine diagnostic test for unexplained DD, MR, and ASD in Korea.
Child
;
Child Development Disorders, Pervasive
;
Classical Lissencephalies and Subcortical Band Heterotopias
;
Diagnostic Tests, Routine
;
DiGeorge Syndrome
;
Genetic Testing
;
Humans
;
Intellectual Disability
;
Karyotype
;
Korea
;
Microarray Analysis*
;
Multiplex Polymerase Chain Reaction
;
National Health Programs
7.Physician's awareness of lung cancer screening and its related medical radiation exposure in Korea.
Seri HONG ; Suyeon KIM ; Mina SUH ; Boyoung PARK ; Kui Son CHOI ; Jae Kwan JUN
Epidemiology and Health 2018;40(1):e2018002-
OBJECTIVES: Through a survey on perception of lung cancer screening and accompanying medical radiation exposure in Korea, the present study was to investigate its current situations and evaluate various perception of physicians regarding it in order to propose measures for improvements. METHODS: Medical specialists in national cancer screening institutions selected through stratified random sampling were subjected to face-to-face interview using a structured questionnaire. We investigated physicians' perception on effectiveness of lung cancer screening depending on screening modality, selection criteria for subjects of screening, types of equipment used to screen, and perception for seriousness of adverse effects following the test. In addition, odds ratios to underestimate risk of radiation exposure from screening were calculated through logistic regression analysis. RESULTS: Each response that chest X-ray is effective for lung cancer screening and that smoking history is not considered prior to screening recommendation accounted for more than 60% of respondents, suggesting the chance of unnecessary screening tests. Regarding adverse effects of lung cancer screening, about 85% of respondents replied that false positive, radiation exposure, and overdiagnosis could be ignored. About 70% of respondents underestimated radiation dose from lung cancer screening, and a low proportion of physicians informed patients of radiation exposure risk. CONCLUSIONS: It was found that most physicians underestimated harms of lung cancer screening including radiation exposure and were lack of awareness regarding lung cancer screening. It should be noted that physicians need to have proper perceptions about screening recommendation and accompanying possible harms, for successful implementation of the screening program.
Early Detection of Cancer
;
Health Care Surveys
;
Humans
;
Korea*
;
Logistic Models
;
Lung Neoplasms*
;
Lung*
;
Mass Screening*
;
Medical Overuse
;
Odds Ratio
;
Patient Selection
;
Radiation Exposure*
;
Radiography
;
Smoke
;
Smoking
;
Specialization
;
Surveys and Questionnaires
;
Thorax
8.Physician's awareness of lung cancer screening and its related medical radiation exposure in Korea
Seri HONG ; Suyeon KIM ; Mina SUH ; Boyoung PARK ; Kui Son CHOI ; Jae Kwan JUN
Epidemiology and Health 2018;40(1):2018002-
OBJECTIVES: Through a survey on perception of lung cancer screening and accompanying medical radiation exposure in Korea, the present study was to investigate its current situations and evaluate various perception of physicians regarding it in order to propose measures for improvements.METHODS: Medical specialists in national cancer screening institutions selected through stratified random sampling were subjected to face-to-face interview using a structured questionnaire. We investigated physicians' perception on effectiveness of lung cancer screening depending on screening modality, selection criteria for subjects of screening, types of equipment used to screen, and perception for seriousness of adverse effects following the test. In addition, odds ratios to underestimate risk of radiation exposure from screening were calculated through logistic regression analysis.RESULTS: Each response that chest X-ray is effective for lung cancer screening and that smoking history is not considered prior to screening recommendation accounted for more than 60% of respondents, suggesting the chance of unnecessary screening tests. Regarding adverse effects of lung cancer screening, about 85% of respondents replied that false positive, radiation exposure, and overdiagnosis could be ignored. About 70% of respondents underestimated radiation dose from lung cancer screening, and a low proportion of physicians informed patients of radiation exposure risk.CONCLUSIONS: It was found that most physicians underestimated harms of lung cancer screening including radiation exposure and were lack of awareness regarding lung cancer screening. It should be noted that physicians need to have proper perceptions about screening recommendation and accompanying possible harms, for successful implementation of the screening program.
Early Detection of Cancer
;
Health Care Surveys
;
Humans
;
Korea
;
Logistic Models
;
Lung Neoplasms
;
Lung
;
Mass Screening
;
Medical Overuse
;
Odds Ratio
;
Patient Selection
;
Radiation Exposure
;
Radiography
;
Smoke
;
Smoking
;
Specialization
;
Surveys and Questionnaires
;
Thorax
9.Trends in Cancer Screening Rates among Korean Men and Women: Results of the Korean National Cancer Screening Survey, 2004–2018
Seri HONG ; Yun Yeong LEE ; Jaeho LEE ; Yeol KIM ; Kui Son CHOI ; Jae Kwan JUN ; Mina SUH
Cancer Research and Treatment 2021;53(2):330-338
Purpose:
The Korean National Cancer Screening Survey (KNCSS) is a nationwide annual cross-sectional survey conducted for the past 15 years. This study aimed to report trends in the overall screening rates of both organized and opportunistic cancer screening programs from 2004–2018.
Materials and Methods:
KNCSS data were collected using a structured questionnaire. For five major cancers (i.e., stomach, liver, colorectal, breast, and cervical cancer), we evaluated both the lifetime screening rate and the screening rate with recommendations. The study population included men aged 40–74 years and women aged 20–74 years with no cancer histories.
Results:
Screening rate with recommendations increased from 2004 annually by 4.4% and 1.5% until 2013 for stomach and liver cancers, respectively, by 4.0% until 2012 for breast cancer, and by 3.6% and 1.2% until 2014 for colorectal and cervical cancers, respectively, followed by nonsignificant trends thereafter. In 2018, screening rates with recommendations for these cancers were 72.8%, 26.2%, 63.1%, 58.4%, and 55.6%, respectively.
Conclusion
Screening rates for the five types of cancer demonstrated a marked increase between 2004 and 2018. However, many recent screening rates have been flattened with nonsignificant trends, and there are lower rates for cervical cancer screening among young age groups. Steady efforts are needed to achieve higher screening participation rates overall, especially for the cervical cancer screening of young women in their 20s.
10.Trends in Cancer Screening Rates among Korean Men and Women: Results of the Korean National Cancer Screening Survey, 2004–2018
Seri HONG ; Yun Yeong LEE ; Jaeho LEE ; Yeol KIM ; Kui Son CHOI ; Jae Kwan JUN ; Mina SUH
Cancer Research and Treatment 2021;53(2):330-338
Purpose:
The Korean National Cancer Screening Survey (KNCSS) is a nationwide annual cross-sectional survey conducted for the past 15 years. This study aimed to report trends in the overall screening rates of both organized and opportunistic cancer screening programs from 2004–2018.
Materials and Methods:
KNCSS data were collected using a structured questionnaire. For five major cancers (i.e., stomach, liver, colorectal, breast, and cervical cancer), we evaluated both the lifetime screening rate and the screening rate with recommendations. The study population included men aged 40–74 years and women aged 20–74 years with no cancer histories.
Results:
Screening rate with recommendations increased from 2004 annually by 4.4% and 1.5% until 2013 for stomach and liver cancers, respectively, by 4.0% until 2012 for breast cancer, and by 3.6% and 1.2% until 2014 for colorectal and cervical cancers, respectively, followed by nonsignificant trends thereafter. In 2018, screening rates with recommendations for these cancers were 72.8%, 26.2%, 63.1%, 58.4%, and 55.6%, respectively.
Conclusion
Screening rates for the five types of cancer demonstrated a marked increase between 2004 and 2018. However, many recent screening rates have been flattened with nonsignificant trends, and there are lower rates for cervical cancer screening among young age groups. Steady efforts are needed to achieve higher screening participation rates overall, especially for the cervical cancer screening of young women in their 20s.