1.Review and latest trends of dental ceramic restorative materials
Seon-Mi BYEON ; Kyeong-Seon KIM ; Jae-Woo SHIN ; Jung-Hwan LEE ; Jeong-Hui JI ; Min-Soo BAE ; Yong-Seok JANG ; Min-Ho LEE ; Tae-Sung BAE
Korean Journal of Dental Materials 2024;51(1):1-14
Prosthodontic treatment is being performed for morphology and functional restoration due to damage and loss of teeth. As the aesthetic demands of patients increase, interest in ceramic materials with shades and translucency similar to natural teeth has increased.Recently, the manufacturing and processing technology of ceramic materials has greatly improved, and the market for dental ceramic materials is growing rapidly. The purpose of this literature review and evaluation is to provide information on the classification and properties of dental ceramic materials with excellent aesthetics and fracture resistance. In this article, it is classified as follows: I) Dental porcelain; II) Sinterable all-ceramic; III) Glass-ceramic for casting; IV) Glass-infiltrated alumina ceramic; V) Glass-ceramic ingots for heat-pressing technique; Vl) Blocks for CAD/CAM; Vll) Ceramic for CAD/3D printing. Dental ceramic materials and their restoration manufacturing methods have evolved significantly over the past decade. As a result, the manufacturing method of restorations has progressed from the layered firing technique of powdered materials or heat-pressing technique to the cutting and processing of single and multi-layer blocks using CAD/CAM technology, leading to the introduction of CAD/3D printing technology. In this manuscript, we will review the types of ceramic materials used in the fabrication of dental restorations and their advantages and disadvantages.
2.Cancer therapy‑related cardiac dysfunction and the role of cardiovascular imaging: systemic review and opinion paper from the Working Group on Cardio‑Oncology of the Korean Society of Cardiology
Iksung CHO ; Seng‑Chan YOU ; Min‑Jae CHA ; Hui‑Jeong HWANG ; Eun Jeong CHO ; Hee Jun KIM ; Seong‑Mi PARK ; Sung‑Eun KIM ; Yun‑Gyoo LEE ; Jong‑Chan YOUN ; Chan Seok PARK ; Chi Young SHIM ; Woo‑Baek CHUNG ; Il Suk SOHN
Journal of Cardiovascular Imaging 2024;32(1):13-
Cardio-oncology is a critical field due to the escalating significance of cardiovascular toxicity as a side effect of anti‑ cancer treatments. Cancer therapy-related cardiac dysfunction (CTRCD) is a prevalent condition associated with car‑ diovascular toxicity, necessitating effective strategies for prediction, monitoring, management, and tracking. This comprehensive review examines the definition and risk stratification of CTRCD, explores monitoring approaches during anticancer therapy, and highlights specific cardiovascular toxicities linked to various cancer treatments. These include anthracyclines, HER2-targeted agents, vascular endothelial growth factor inhibitors, immune checkpoint inhibitors, chimeric antigen receptor T-cell therapies, and tumor-infiltrating lymphocytes therapies. Incorporating the Korean data, this review offers insights into the regional nuances in managing CTRCD. Using systematic follow-up incorporating cardiovascular imaging and biomarkers, a better understanding and management of CTRCD can be achieved, optimizing the cardiovascular health of both cancer patients and survivors.
3.Evaluating the Validity and Reliability of the Korean Version of the Scales for Outcomes in Parkinson’s Disease–Cognition
Jinse PARK ; Eungseok OH ; Seong-Beom KOH ; In-Uk SONG ; Tae-Beom AHN ; Sang Jin KIM ; Sang-Myung CHEON ; Yoon-Joong KIM ; Jin Whan CHO ; Hyeo-Il MA ; Mee Young PARK ; Jong Sam BAIK ; Phil Hyu LEE ; Sun Ju CHUNG ; Jong-Min KIM ; Han-Joon KIM ; Young-Hee SUNG ; Do Young KWON ; Jae-Hyeok LEE ; Jee-Young LEE ; Ji Seon KIM ; Ji Young YUN ; Hee Jin KIM ; Jin Yong HONG ; Mi-Jung KIM ; Jinyoung YOUN ; Hui-Jun YANG ; Won Tae YOON ; Sooyeoun YOU ; Kyum-Yil KWON ; Su-Yun LEE ; Younsoo KIM ; Hee-Tae KIM ; Joong-Seok KIM ; Ji-Young KIM
Journal of Movement Disorders 2024;17(3):328-332
Objective:
The Scales for Outcomes in Parkinson’s Disease–Cognition (SCOPA-Cog) was developed to assess cognition in patients with Parkinson’s disease (PD). In this study, we aimed to evaluate the validity and reliability of the Korean version of the SCOPACog (K-SCOPA-Cog).
Methods:
We enrolled 129 PD patients with movement disorders from 31 clinics in South Korea. The original version of the SCOPA-Cog was translated into Korean using the translation-retranslation method. The test–retest method with an intraclass correlation coefficient (ICC) and Cronbach’s alpha coefficient were used to assess reliability. Spearman’s rank correlation analysis with the Montreal Cognitive Assessment-Korean version (MOCA-K) and the Korean Mini-Mental State Examination (K-MMSE) were used to assess concurrent validity.
Results:
The Cronbach’s alpha coefficient was 0.797, and the ICC was 0.887. Spearman’s rank correlation analysis revealed a significant correlation with the K-MMSE and MOCA-K scores (r = 0.546 and r = 0.683, respectively).
Conclusion
Our results demonstrate that the K-SCOPA-Cog has good reliability and validity.
4.Protective effect of Evodiae Fructus extract in HCl/ethanol-induced gastritis mice
IL-Ha JEONG ; Mi-Rae SHIN ; Min Ju KIM ; Hui Yeon AN ; Seong-Soo ROH
Journal of Nutrition and Health 2024;57(4):403-417
Purpose:
This study investigated the anti-inflammatory effects of Evodiae Fructus (EF) on hydrochloric acid (HCl)/ethanol-induced gastritis, focusing on its impact on oxidative stress by analyzing inflammatory cytokines and inflammation-related factors. The total polyphenol and flavonoid contents were determined through in vitro experiments, while the radical scavenging activity was confirmed using 2,2-diphenyl-1-picrylhydrazyl and 2,2’-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) assays.
Methods:
In vivo experiments were conducted on rats divided into 5 groups (n = 7/in each group): normal group (Normal), 150 mM HCl/60% ethanol-induced gastritis group (Control), 150 mM HCl/60% ethanol-induced gastritis group administered 10 mg/kg sucralfate (SC), 150 mM HCl/60% ethanol-induced gastritis group administered EF at the doses of 100 mg/kg or 200 mg/kg (EF100 or EF200). The mice were pretreated with the extract (EF) or drug (SC), and after 1 hour, 150 mM HCl/60% ethanol (v/v) mixture was administered orally. Reactive oxygen species (ROS) levels, peroxynitrite (ONOO − ), and pro-inflammatory cytokines including tumor necrosis factor-α and interleukin-1 beta were assessed in serum. Additionally, western blotting of the gastric tissues confirmed the expression of inflammation-related proteins.
Results:
EF alleviated the gastric mucosal damage caused by 150 mM HCl/60% ethanol.The assessment of oxidative stress in the serum showed that EF significantly reduced ROS and ONOO − levels and significantly decreased the levels of pro-inflammatory cytokines. Western blot analysis revealed that EF reduced ROS-generating nicotinamide adenine dinucleotide phosphate oxidase subunits, including gp91phox , p22phox , and p47phox . Additionally, EF mitigated the inflammation by inhibiting the mitogen-activated protein kinase signaling pathway.
Conclusion
These results indicate that EF is a potential herbal medicine candidate for the treatment of oxidative stress-induced gastritis.
5.Targeted Therapy Following Metastasectomy for Metastatic Renal Cell Carcinoma: A Systematic Review and Meta-analysis
Hui Mo GU ; Seung Il JUNG ; Dongdeuk KWON ; Myung Ha KIM ; Jae Hung JUNG ; Mi Ah HAN ; Seung Hwan LEE ; In Gab JEONG ; Sun Il KIM ; Eu Chang HWANG
Journal of Urologic Oncology 2024;22(1):34-41
Purpose:
The aim of this study was to assess the effects of tyrosine kinase inhibitors (TKIs) following metastasectomy in patients with metastatic renal cell carcinoma (mRCC).
Materials and Methods:
A systematic search of multiple electronic databases was conducted. The inclusion criteria encompassed randomized clinical trials evaluating the use of TKIs after metastasectomy in mRCC patients. Study outcomes were relapse-free survival (RFS)/disease-free survival (DFS), overall survival (OS), and adverse events of TKIs.
Results:
Two studies with 197 randomized participants that compared TKIs following metastasectomy versus metastasectomy alone were identified. According to these studies, TKIs following metastasectomy may result in little to no difference in RFS/DFS (hazard ratio [HR], 1.01; 95% confidence interval [CI], 0.65–1.57; I2=29%; low-certainty evidence). TKIs after metastasectomy may slightly increase OS, but the CI crossed the line of no effect (HR, 0.80; 95% CI, 0.06–9.87; I2=86%; low-certainty evidence). TKIs after metastasectomy likely resulted in a large increase in adverse events (risk ratio, 2.76; 95% CI: 1.65–4.62; I2=not applicable; moderatecertainty evidence).
Conclusions
TKIs following metastasectomy did not improve RFS/DFS, but slightly improved OS. It is likely that TKIs following metastasectomy increase adverse events compared to surgery only. The certainty of evidence ranged from moderate (signaling confidence that the reported effect size is likely close to the true effect) to low (indicating that the true effect may be substantially different from the effect estimate). The findings of this study should help to inform future guidelines and clinical decision-making at the point of care.
6.Mitochondrial Ribosomal Protein L14 Promotes Cell Growth and Invasion by Modulating Reactive Oxygen Species in Thyroid Cancer
Hae Jong KIM ; Quoc Khanh NGUYEN ; Seung-Nam JUNG ; Mi Ae LIM ; Chan OH ; Yudan PIAO ; YanLi JIN ; Ju-Hui KIM ; Young Il KIM ; Yea Eun KANG ; Jae Won CHANG ; Ho-Ryun WON ; Bon Seok KOO
Clinical and Experimental Otorhinolaryngology 2023;16(2):184-197
Objectives:
. The mitochondrial ribosomal protein L14 (MRPL14) is encoded by a nuclear gene and participates in mitochondrial protein translation. In this study, we aimed to investigate the role of MRPL14 in thyroid cancer.
Methods:
. We investigated the association between MRPL14 expression and clinicopathological features using The Cancer Genome Atlas (TCGA) and Chungnam National University Hospital (CNUH) databases. Functional studies of MRPL14, including proliferation, migration, invasion, mitochondrial oxidative phosphorylation and reactive oxygen species (ROS) production, were performed in papillary thyroid cancer (PTC) cell lines (B-CPAP and KTC-1).
Results:
. Based on the TCGA dataset, PTC tissues lost mitochondrial integrity and showed dysregulated expression of overall mitoribosomal proteins (MRPs) compared with normal thyroid tissues. Of 78 MRPs, MRPL14 was highly expressed in thyroid cancer tissues. MRPL14 overexpression was significantly associated with advanced tumor stage, extrathyroidal extension, and lymph node metastasis. MRPL14 increased cell proliferation of thyroid cancer and promoted cell migration via epithelial-mesenchymal transition-related proteins. Moreover, MRPL14 knockdown reduced the expression of oxidative phosphorylation complex IV (MTCO1) and increased the accumulation of ROS. Cotreatment with a ROS scavenger restored cell proliferation and migration, which had been reduced by MRPL14 knockdown, implying that ROS functions as a key regulator of the oncogenic effects of MRPL14 in thyroid cancer cells.
Conclusion
. Our findings indicate that MRPL14 may promote cell growth, migration, and invasion by modulating ROS in thyroid cancer cells.
7.Korean Practice Guidelines for Gastric Cancer 2022: An Evidence-based, Multidisciplinary Approach
Tae-Han KIM ; In-Ho KIM ; Seung Joo KANG ; Miyoung CHOI ; Baek-Hui KIM ; Bang Wool EOM ; Bum Jun KIM ; Byung-Hoon MIN ; Chang In CHOI ; Cheol Min SHIN ; Chung Hyun TAE ; Chung sik GONG ; Dong Jin KIM ; Arthur Eung-Hyuck CHO ; Eun Jeong GONG ; Geum Jong SONG ; Hyeon-Su IM ; Hye Seong AHN ; Hyun LIM ; Hyung-Don KIM ; Jae-Joon KIM ; Jeong Il YU ; Jeong Won LEE ; Ji Yeon PARK ; Jwa Hoon KIM ; Kyoung Doo SONG ; Minkyu JUNG ; Mi Ran JUNG ; Sang-Yong SON ; Shin-Hoo PARK ; Soo Jin KIM ; Sung Hak LEE ; Tae-Yong KIM ; Woo Kyun BAE ; Woong Sub KOOM ; Yeseob JEE ; Yoo Min KIM ; Yoonjin KWAK ; Young Suk PARK ; Hye Sook HAN ; Su Youn NAM ; Seong-Ho KONG ;
Journal of Gastric Cancer 2023;23(1):3-106
Gastric cancer is one of the most common cancers in Korea and the world. Since 2004, this is the 4th gastric cancer guideline published in Korea which is the revised version of previous evidence-based approach in 2018. Current guideline is a collaborative work of the interdisciplinary working group including experts in the field of gastric surgery, gastroenterology, endoscopy, medical oncology, abdominal radiology, pathology, nuclear medicine, radiation oncology and guideline development methodology. Total of 33 key questions were updated or proposed after a collaborative review by the working group and 40 statements were developed according to the systematic review using the MEDLINE, Embase, Cochrane Library and KoreaMed database. The level of evidence and the grading of recommendations were categorized according to the Grading of Recommendations, Assessment, Development and Evaluation proposition. Evidence level, benefit, harm, and clinical applicability was considered as the significant factors for recommendation. The working group reviewed recommendations and discussed for consensus. In the earlier part, general consideration discusses screening, diagnosis and staging of endoscopy, pathology, radiology, and nuclear medicine. Flowchart is depicted with statements which is supported by meta-analysis and references. Since clinical trial and systematic review was not suitable for postoperative oncologic and nutritional follow-up, working group agreed to conduct a nationwide survey investigating the clinical practice of all tertiary or general hospitals in Korea. The purpose of this survey was to provide baseline information on follow up. Herein we present a multidisciplinary-evidence based gastric cancer guideline.
8.A Standardized Pathology Report for Gastric Cancer: 2nd Edition
Young Soo PARK ; Myeong-Cherl KOOK ; Baek-hui KIM ; Hye Seung LEE ; Dong-Wook KANG ; Mi-Jin GU ; Ok Ran SHIN ; Younghee CHOI ; Wonae LEE ; Hyunki KIM ; In Hye SONG ; Kyoung-Mee KIM ; Hee Sung KIM ; Guhyun KANG ; Do Youn PARK ; So-Young JIN ; Joon Mee KIM ; Yoon Jung CHOI ; Hee Kyung CHANG ; Soomin AHN ; Mee Soo CHANG ; Song-Hee HAN ; Yoonjin KWAK ; An Na SEO ; Sung Hak LEE ; Mee-Yon CHO ;
Journal of Gastric Cancer 2023;23(1):107-145
The first edition of ‘A Standardized Pathology Report for Gastric Cancer’ was initiated by the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists and published 17 years ago. Since then, significant advances have been made in the pathologic diagnosis, molecular genetics, and management of gastric cancer (GC). To reflect those changes, a committee for publishing a second edition of the report was formed within the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists. This second edition consists of two parts: standard data elements and conditional data elements.The standard data elements contain the basic pathologic findings and items necessary to predict the prognosis of GC patients, and they are adequate for routine surgical pathology service. Other diagnostic and prognostic factors relevant to adjuvant therapy, including molecular biomarkers, are classified as conditional data elements to allow each pathologist to selectively choose items appropriate to the environment in their institution. We trust that the standardized pathology report will be helpful for GC diagnosis and facilitate large-scale multidisciplinary collaborative studies.
9.A standardized pathology report for gastric cancer: 2nd edition
Young Soo PARK ; Myeong-Cherl KOOK ; Baek-hui KIM ; Hye Seung LEE ; Dong-Wook KANG ; Mi-Jin GU ; Ok Ran SHIN ; Younghee CHOI ; Wonae LEE ; Hyunki KIM ; In Hye SONG ; Kyoung-Mee KIM ; Hee Sung KIM ; Guhyun KANG ; Do Youn PARK ; So-Young JIN ; Joon Mee KIM ; Yoon Jung CHOI ; Hee Kyung CHANG ; Soomin AHN ; Mee Soo CHANG ; Song-Hee HAN ; Yoonjin KWAK ; An Na SEO ; Sung Hak LEE ; Mee-Yon CHO ;
Journal of Pathology and Translational Medicine 2023;57(1):1-27
The first edition of ‘A Standardized Pathology Report for Gastric Cancer’ was initiated by the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists and published 17 years ago. Since then, significant advances have been made in the pathologic diagnosis, molecular genetics, and management of gastric cancer (GC). To reflect those changes, a committee for publishing a second edition of the report was formed within the Gastrointestinal Pathology Study Group of the Korean Society of Pathologists. This second edition consists of two parts: standard data elements and conditional data elements. The standard data elements contain the basic pathologic findings and items necessary to predict the prognosis of GC patients, and they are adequate for routine surgical pathology service. Other diagnostic and prognostic factors relevant to adjuvant therapy, including molecular biomarkers, are classified as conditional data elements to allow each pathologist to selectively choose items appropriate to the environment in their institution. We trust that the standardized pathology report will be helpful for GC diagnosis and facilitate large-scale multidisciplinary collaborative studies.
10.Erratum: Korean Practice Guidelines for Gastric Cancer 2022: An Evidencebased, Multidisciplinary Approach
Tae-Han KIM ; In-Ho KIM ; Seung Joo KANG ; Miyoung CHOI ; Baek-Hui KIM ; Bang Wool EOM ; Bum Jun KIM ; Byung-Hoon MIN ; Chang In CHOI ; Cheol Min SHIN ; Chung Hyun TAE ; Chung sik GONG ; Dong Jin KIM ; Arthur Eung-Hyuck CHO ; Eun Jeong GONG ; Geum Jong SONG ; Hyeon-Su IM ; Hye Seong AHN ; Hyun LIM ; Hyung-Don KIM ; Jae-Joon KIM ; Jeong Il YU ; Jeong Won LEE ; Ji Yeon PARK ; Jwa Hoon KIM ; Kyoung Doo SONG ; Minkyu JUNG ; Mi Ran JUNG ; Sang-Yong SON ; Shin-Hoo PARK ; Soo Jin KIM ; Sung Hak LEE ; Tae-Yong KIM ; Woo Kyun BAE ; Woong Sub KOOM ; Yeseob JEE ; Yoo Min KIM ; Yoonjin KWAK ; Young Suk PARK ; Hye Sook HAN ; Su Youn NAM ; Seong-Ho KONG
Journal of Gastric Cancer 2023;23(2):365-373

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