Yongjung Park
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View article: Prognostic significance of carbohydrate antigen 19-9 (CA19-9) change during immediate postoperative periods in patients with stage I–III colorectal cancer
Prognostic significance of carbohydrate antigen 19-9 (CA19-9) change during immediate postoperative periods in patients with stage I–III colorectal cancer Open
Purpose: Although carbohydrate antigen 19-9 (CA19-9) may exhibit low sensitivity in tumor screening, its prognostic significance has been highlighted. This study assessed the significance of preoperative CA19-9 and early postoperative CA19…
View article: Guard Vector: Beyond English LLM Guardrails with Task-Vector Composition and Streaming-Aware Prefix SFT
Guard Vector: Beyond English LLM Guardrails with Task-Vector Composition and Streaming-Aware Prefix SFT Open
We introduce Guard Vector, a safety task vector computed as the parameter difference between a guardrail model (Guard Model) and a same-architecture pretrained language model. Composing this vector with a target language model yields a Tar…
View article: Responsible AI Technical Report
Responsible AI Technical Report Open
KT developed a Responsible AI (RAI) assessment methodology and risk mitigation technologies to ensure the safety and reliability of AI services. By analyzing the Basic Act on AI implementation and global AI governance trends, we establishe…
View article: Human Pluripotent Stem Cell‐Derived Skeletal Muscle Organoid Model of Aging‐Induced Sarcopenia
Human Pluripotent Stem Cell‐Derived Skeletal Muscle Organoid Model of Aging‐Induced Sarcopenia Open
Background Sarcopenia is defined by the age‐related loss of muscle mass and function, with an impaired regenerative capacity of satellite cells (SCs). Despite their recognized importance in muscle regeneration, human model‐based studies on…
View article: Establishment of IGF-1 and IGFBP-3 continuous reference percentiles from data of healthy children using three kinds of immunoassay systems
Establishment of IGF-1 and IGFBP-3 continuous reference percentiles from data of healthy children using three kinds of immunoassay systems Open
Age- and sex-specific pediatric LMS based continuous reference intervals are method dependent and they should be calculated for dynamic parameters that show variations throughout childhood.
View article: Diagnostic Performance of Preoperative Calcitonin and Procalcitonin Tests for Differential Diagnosis of Medullary Thyroid Cancer
Diagnostic Performance of Preoperative Calcitonin and Procalcitonin Tests for Differential Diagnosis of Medullary Thyroid Cancer Open
Medullary thyroid cancer (MTC) shows a relatively poor prognosis among thyroid cancers. Though calcitonin has been used as a diagnostic marker for MTC, it has disadvantages including poor sample stability and discrepancies among results by…
View article: Evaluation of the Accuracy of Estimated Endpoint Titer of NOVA View in Indirect Immunofluorescent Antinuclear Antibody Testing
Evaluation of the Accuracy of Estimated Endpoint Titer of NOVA View in Indirect Immunofluorescent Antinuclear Antibody Testing Open
For antinuclear antibody (ANA) screening, the gold standard method is an indirect immunofluorescence assay (IIFA) using HEp-2 cells, and a serial dilution test is needed to determine the endpoint titer. We aimed to evaluate the accuracy of…
View article: Plant Heat Shock Proteins Are More Effective in Enhancing Recombinant Alcohol Dehydrogenase Activity than Bacterial Ones <i>In Vitro</i>.
Plant Heat Shock Proteins Are More Effective in Enhancing Recombinant Alcohol Dehydrogenase Activity than Bacterial Ones <i>In Vitro</i>. Open
Our results suggest that plant Hsps can enhance recombinant protein activity, such as ADH, more effectively than their bacterial counterparts. Identifying effective molecular chaperones in the bacterial and eukaryotic domains will help enh…
View article: Comparative Evaluation of Creatinine Interferences by Glucose in Various Dialysates Based on Creatinine Measurement Methods
Comparative Evaluation of Creatinine Interferences by Glucose in Various Dialysates Based on Creatinine Measurement Methods Open
Bohyun Jeon, M.D., John Hoon Rim, M.D., Jong-Baek Lim, M.D., Yongjung Park, M.D., Jung Eun Lee, M.D., Beom Seok Kim, M.D., Hyeong Cheon Park, M.D., Jeong-Ho Kim, M.D.. Lab Med Online 2024;14:17-23. https://doi.org/10.47429/lmo.2024.14.1.17
View article: Clinical Utility of the Serum Amyloid A Test for the Diagnosis of Bacterial Infections in Patients Visiting the Emergency Room
Clinical Utility of the Serum Amyloid A Test for the Diagnosis of Bacterial Infections in Patients Visiting the Emergency Room Open
Background: Currently, acute-phase proteins, such as serum amyloid A (SAA) and C-reactive protein (CRP), and the erythrocyte sedimentation rate (ESR) test are used for the diagnosis of infectious or inflammatory diseases.This study determi…
View article: A single-center experience on long-term clinical performance of a rapid SARS-CoV-2 Antigen Detection Test, STANDARD Q COVID-19 Ag Test
A single-center experience on long-term clinical performance of a rapid SARS-CoV-2 Antigen Detection Test, STANDARD Q COVID-19 Ag Test Open
View article: Calf Circumference as an Indicator for Cystatin C Testing in Hospitalized Elderly Male Patients for Detecting Hidden Renal Impairment
Calf Circumference as an Indicator for Cystatin C Testing in Hospitalized Elderly Male Patients for Detecting Hidden Renal Impairment Open
Serum creatinine is used to measure the estimated glomerular filtration rate (eGFR); however, it is influenced by muscle mass and may therefore overestimate renal function in patients with sarcopenia. We examined calf circumference (CC) as…
View article: Muscle mass has a greater impact on serum creatinine levels in older males than in females
Muscle mass has a greater impact on serum creatinine levels in older males than in females Open
Serum creatinine levels decrease more significantly in older males than in older females due to sex-specific muscle mass decline.
View article: Development and validation of artificial intelligence models to predict urinary tract infections and secondary bloodstream infections in adult patients
Development and validation of artificial intelligence models to predict urinary tract infections and secondary bloodstream infections in adult patients Open
Background: Traditional culture methods are time-consuming, making it difficult to utilize the results in the early stage of urinary tract infection (UTI) management, and automated urinalyses alone show insufficient performance for diagnos…
View article: Application of the Analytical Performance Specification for Quality Management of Clinical Chemistry Tests
Application of the Analytical Performance Specification for Quality Management of Clinical Chemistry Tests Open
Jisook Yim, M.D., John Hoon Rim, M.D., Yong Kwan Lim, M.D., Yonggeun Cho, M.D., Yongjung Park, M.D., Sollip Kim, M.D., Yeo-Min Yun, M.D.. Lab Med Online 2023;13:255-62. https://doi.org/10.47429/lmo.2023.13.4.255
View article: OP0291 ACUTE PHASE REACTANT OROSOMUCOID-2 DIRECTLY PROMOTES RHEUMATOID INFLAMMATION
OP0291 ACUTE PHASE REACTANT OROSOMUCOID-2 DIRECTLY PROMOTES RHEUMATOID INFLAMMATION Open
View article: AB0799 ASSOCIATION BETWEEN MUSCLE QUALITY AND MORTALITY IN PATIENTS WITH ANTI-NEUTROPHIL CYTOPLASMIC ANTIBODY-ASSOCIATED VASCULITIS
AB0799 ASSOCIATION BETWEEN MUSCLE QUALITY AND MORTALITY IN PATIENTS WITH ANTI-NEUTROPHIL CYTOPLASMIC ANTIBODY-ASSOCIATED VASCULITIS Open
View article: PROSPECTIVE KOREAN MARGINAL ZONE LYMPHOMAS COHORT STUDY: INITIAL DATA ANALYSIS OF 407 CASES
PROSPECTIVE KOREAN MARGINAL ZONE LYMPHOMAS COHORT STUDY: INITIAL DATA ANALYSIS OF 407 CASES Open
Background: Marginal zone lymphoma (MZL) is a distinct subgroup of non-Hodgkin's lymphoma (NHL), which is typically characterized by an indolent clinical course and long survival duration. In Korea, MZL accounts for 21% of all B-cell lymph…
View article: AB0697 COMPARISON OF COVID-19 VACCINATION WITH INFLUENZA VACCINATION IN KOREAN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS: PERCEPTION, ADVERSE EVENTS, AND FLARES FROM THE CIVIL STUDY
AB0697 COMPARISON OF COVID-19 VACCINATION WITH INFLUENZA VACCINATION IN KOREAN PATIENTS WITH SYSTEMIC LUPUS ERYTHEMATOSUS: PERCEPTION, ADVERSE EVENTS, AND FLARES FROM THE CIVIL STUDY Open
View article: Associations of Perioperative Red Blood Cell Transfusion With Outcomes of Kidney Transplantation in Korea Over a 16-Year Period
Associations of Perioperative Red Blood Cell Transfusion With Outcomes of Kidney Transplantation in Korea Over a 16-Year Period Open
Perioperative RBC transfusion was associated with poor graft outcomes. Notably, transfusion of pRBCs significantly increased transplant rejection. Therefore, careful consideration of indications for RBC transfusion and selection of the app…
View article: Establishment of muscle mass-based indications for the cystatin C test in renal function evaluation
Establishment of muscle mass-based indications for the cystatin C test in renal function evaluation Open
Background We aimed to suggest muscle mass-based criteria for using of the cystatin C test for the accurate estimated glomerular filtration rate (eGFR). Materials and methods We recruited 138 Korean subjects and evaluated eGFRcr (derived f…
View article: Impact of urinary tract infection-causative microorganisms on the progression to bloodstream infection: A propensity score-matched analysis
Impact of urinary tract infection-causative microorganisms on the progression to bloodstream infection: A propensity score-matched analysis Open
View article: Clinical Evaluation of Two Rapid Antigen Tests for Severe Acute Respiratory Syndrome Coronavirus 2 Detection
Clinical Evaluation of Two Rapid Antigen Tests for Severe Acute Respiratory Syndrome Coronavirus 2 Detection Open
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View article: Reactogenicity and Immunogenicity of the ChAdOx1 nCOV-19 Coronavirus Disease 2019 Vaccine in South Korean Healthcare Workers
Reactogenicity and Immunogenicity of the ChAdOx1 nCOV-19 Coronavirus Disease 2019 Vaccine in South Korean Healthcare Workers Open
The frequency of adverse events occurring after the first dose of the ChAdOx1 was significantly reduced after the second dose. Interestingly, the elevation of anti-SARS-CoV-2 S titer was significantly increased in the group with pain after…
View article: Age‐group‐specific reference intervals for anti‐Müllerian hormone and its diagnostic performance for polycystic ovary syndrome in a Korean population
Age‐group‐specific reference intervals for anti‐Müllerian hormone and its diagnostic performance for polycystic ovary syndrome in a Korean population Open
Background We established age‐group‐specific reference intervals for serum anti‐Müllerian hormone (AMH) levels in a Korean population and investigated the effectiveness of AMH assay for polycystic ovary syndrome (PCOS) diagnosis. Methods W…
View article: POS0563 THE NATURAL COURSE OF RHEUMATOID ARTHRITIS-ASSOCIATED INTERSTITIAL LUNG DISEASE FOCUSING ON LUNG PHYSIOLOGY AND DISEASE ACTIVITY: A PROSPECTIVE COHORT STUDY (PART 2)
POS0563 THE NATURAL COURSE OF RHEUMATOID ARTHRITIS-ASSOCIATED INTERSTITIAL LUNG DISEASE FOCUSING ON LUNG PHYSIOLOGY AND DISEASE ACTIVITY: A PROSPECTIVE COHORT STUDY (PART 2) Open
View article: Prediction of urine culture results by automated urinalysis with digital flow morphology analysis
Prediction of urine culture results by automated urinalysis with digital flow morphology analysis Open
View article: FRI0231 TREATMENT OF DIGITAL ULCERS IN PATIENTS WITH SYSTEMIC SCLEROSIS: PROSPECTIVE COHORT STUDY
FRI0231 TREATMENT OF DIGITAL ULCERS IN PATIENTS WITH SYSTEMIC SCLEROSIS: PROSPECTIVE COHORT STUDY Open
View article: Carbohydrate antigen 19-9 elevation without evidence of malignant or pancreatobiliary diseases
Carbohydrate antigen 19-9 elevation without evidence of malignant or pancreatobiliary diseases Open
View article: 88<sup>th</sup> Annual Meeting of the American Thyroid Association
88<sup>th</sup> Annual Meeting of the American Thyroid Association Open
Selective use of 131I was advocated by ATA guidelines for IR-DTC.
\nThe post-operative evaluation, 3-4 mths after total thyroidectomy,
\nshould be considered in the decision making to perform or not RRA.
\nHowever, the available data on th…