From articles published since 2012.
Original article
- Effects of L-ascorbic acid on the production of pro-inflammatory and anti-inflammatory cytokines in C57BL/6 mouse splenocytes
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Eun Hee Kong, Sun Young Ma, Jee Yeong Jeong, Kwang Hyuk Kim
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Kosin Med J. 2015;30(1):41-49. Published online January 20, 2015
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DOI: https://doi.org/10.7180/kmj.2015.30.1.41
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- Abstract
Objective
The imbalance between pro-inflammatory and anti-inflammatory cytokines may underlie different pain states. Although ascorbic acid is the most important physiological antioxidant that affects host defense mechanisms and immune homeostasis, there is limited information on the effects of ascorbic acid on the production of cytokines.
Methods
In this study, we investigated the in vitro effect of L-ascorbic acid (AA) on the production of pro-inflammatory and anti-inflammatory cytokines by stimulating C57BL/6 mouse splenocytes with the polyclonal activators lipopolysaccharide or concanavalin A.
Results
AA significantly downregulated the expression of IL-6, IL-12, and TNF-α at 48 h and 72 h in mouse splenocytes treated with a combination of polyclonal activators and AA. AA treatment also resulted in upregulation of IL-4 and IL-10 at 72 h. These findings demonstrated that AA significantly potentiated production of anti-inflammatory cytokines whereas there was an inverse association between AA and expression of pro-inflammatory cytokines in mouse splenocytes.
Conclusion
AA may have potential applications in the reduction of inflammatory pain because of its function in modulating the production of cytokines. However, further in vivo investigations are necessary to elucidate the mechanisms involved.
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Review article
- Aging of the respiratory system
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Seung Hun Lee, Su Jin Yim, Ho Cheol Kim
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Kosin Med J. 2016;31(1):11-18. Published online February 4, 2016
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DOI: https://doi.org/10.7180/kmj.2016.31.1.11
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- Abstract
Changes in the respiratory system caused by aging generally include structural changes in the thoracic cage and lung parenchyma, abnormal findings on lung function tests, ventilation and gas exchange abnormalities, decreased exercise capacity, and reduced respiratory muscle strength. Decreased respiratory system compliance caused by reduced elastic recoil of the lung parenchymaand thoracic cage is related to decreased energy expenditure by the respiratory system. Lung function, as measured by 1-second forced expiratory volume and forced vital capacity (FVC), decreases with age, whereas total lung capacity remains unchanged. FVC decreases because of increased residual volume and diffusion capacity also decreases. Increased physiological dead space and ventilation/perfusion imbalance may reduce blood oxygen levels and increase the alveolar-arterial oxygen difference. More than 20% decrease in diaphragmstrength is thought to beassociated withaging-related muscle atrophy. Ventilation per minute remains unchanged, and blood carbon dioxide concentration does not increase with aging. However, responses to hypoxia and hypercapnia are decreased. Exercise capacity also decreases, and maximum oxygen consumption decreases by >1%/year. Consequence of these changes, many respiratory diseases occur with aging. Thus, it is important to recognize these aging-related respiratory system changes.
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Citations
Citations to this article as recorded by

- Activities of Daily Living and Related Factors in Elderly Patients with Pulmonary Disease Preparing for Discharge
Hyunwoo Jeong, Sanghee Kim, Mona Choi, Eui Geum Oh
Korean Journal of Adult Nursing.2022; 34(4): 391. CrossRef - Aging, inflammaging and immunosenescence as risk factors of severe COVID-19
Anteneh Mehari Tizazu, Hylemariam Mihiretie Mengist, Gebreselassie Demeke
Immunity & Ageing.2022;[Epub] CrossRef - Determinants of dynamic inspiratory muscle strength in healthy trained elderly
A Roldán, A Forte, P Monteagudo, A Cordellat, J Monferrer-Marín, C Blasco-Lafarga
Postgraduate Medicine.2021; 133(7): 807. CrossRef - Comparison of Voice-Related Quality of Life for the Elderly with and without Voice Disorders According to Genders by Aging Voice Index-Korean Version
Hwa-Young Pyo, Jae-Yol Lim, Sung-Eun Lim, Seung Jin Lee
Communication Sciences & Disorders.2021; 26(4): 933. CrossRef - Age‐related changes in cerebrovascular health and their effects on neural function and cognition: A comprehensive review
Benjamin Zimmerman, Bart Rypma, Gabriele Gratton, Monica Fabiani
Psychophysiology.2021;[Epub] CrossRef - Perubahan Fungsi Paru Pada Usia Tua
Helmia Hasan, Rena Arusita Maranatha
Jurnal Respirasi.2019; 3(2): 52. CrossRef - Possibilities of modern anesthetic management of laparoscopic cholecystectomy in elderly patients
O. V. Bielykh
Problems of Uninterrupted Medical Training and Science.2019; 2019(2): 84. CrossRef - Beneficial Effects of Inspiratory Muscle Training Combined With Multicomponent Training in Elderly Active Women
Ainoa Roldán, Ana Cordellat, Pablo Monteagudo, Consolación García-Lucerga, Nieves M. Blasco-Lafarga, Mª Carmen Gomez-Cabrera, Cristina Blasco-Lafarga
Research Quarterly for Exercise and Sport.2019; 90(4): 547. CrossRef - Factors Affecting Lung Function: A Review of the Literature
Alejandro Talaminos Barroso, Eduardo Márquez Martín, Laura María Roa Romero, Francisco Ortega Ruiz
Archivos de Bronconeumología (English Edition).2018; 54(6): 327. CrossRef - Factores que afectan a la función pulmonar: una revisión bibliográfica
Alejandro Talaminos Barroso, Eduardo Márquez Martín, Laura María Roa Romero, Francisco Ortega Ruiz
Archivos de Bronconeumología.2018; 54(6): 327. CrossRef - Normal aging: definition and physiologic changes
Chul Ho Chang, Ki-Young Lee, Yon Hee Shim
Journal of the Korean Medical Association.2017; 60(5): 358. CrossRef
Case report
- Spontaneous Coronary Artery Dissection in a female patient with fragile X syndrome
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Hyun-Young Park, Jin-Man Cho, Dong-Hee Kim, Chang-Bum Park, Chong-Jin Kim
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Kosin Med J. 2017;32(2):240-243. Published online January 19, 2017
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DOI: https://doi.org/10.7180/kmj.2017.32.2.240
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We report a case of Spontaneous coronary artery dissection associated with fragile X syndrome. The relationship between fragile X syndrome and Spontaneous coronary artery dissection is unclear. However, More research will need about the causes and treatment of Spontaneous coronary artery dissection.
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Citations
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- Hypermobile Ehlers-Danlos syndrome (hEDS) phenotype in fragile X premutation carriers: case series
Nattaporn Tassanakijpanich, Forrest J McKenzie, Yingratana A McLennan, Elisabeth Makhoul, Flora Tassone, Mittal J Jasoliya, Christopher Romney, Ignacio Cortina Petrasic, Kaye Napalinga, Caroline B Buchanan, Paul Hagerman, Randi Hagerman, Emily L Casanova
Journal of Medical Genetics.2022; 59(7): 687. CrossRef - Exploring the Genetic Architecture of Spontaneous Coronary Artery Dissection Using Whole-Genome Sequencing
Ingrid Tarr, Stephanie Hesselson, Siiri E. Iismaa, Emma Rath, Steven Monger, Michael Troup, Ketan Mishra, Claire M.Y. Wong, Pei-Chen Hsu, Keerat Junday, David T. Humphreys, David Adlam, Tom R. Webb, Anna A. Baranowska-Clarke, Stephen E. Hamby, Keren J. Ca
Circulation: Genomic and Precision Medicine.2022;[Epub] CrossRef - Spontaneous Coronary Artery Dissection in Females With the Fragile X FMR1 Premutation
Forrest J. McKenzie, Nattaporn Tassanakijpanich, Kelly C. Epps, S. Kimara March, Randi J. Hagerman
JACC: Case Reports.2020; 2(1): 40. CrossRef - Cardiovascular Problems in the Fragile X Premutation
Nattaporn Tassanakijpanich, Jonathan Cohen, Rashelle Cohen, Uma N. Srivatsa, Randi J. Hagerman
Frontiers in Genetics.2020;[Epub] CrossRef
Original articles
- Antinociceptive Effect of BPC-157 in the Formalin-induced Pain Model
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Sang Yoong Park, So Ron Choi, Jeong Ho Kim, Seung Cheol Lee, Seong Yeop Jeong, Joon Ho Jeong, Tae Young Lee
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Kosin Med J. 2021;36(1):1-13. Published online June 30, 2021
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DOI: https://doi.org/10.7180/kmj.2021.36.1.1
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Objectives
Body protective compound-157 (BPC-157) is a stable gastric pentadecapeptide that has been effective in trials aiming to increase wound healing capabilities and decrease inflammatory cell influx, including studies on the healing of muscles and tendons. There are no studies about the effect of BPC-157 on pain transmission via nociception. This study examined the antinociceptive effects of BPC-157 using formalin tests and immunohistochemistry.
Methods
Rats were randomly divided into the control, morphine and BPC-157 groups. Pain behavior was quantified periodically at 5- and 35- min intervals (representative values of phases 1 and 2) by counting the number of flinches exhibited by the injected paw after injection. The dorsal root ganglia (DRG) and spinal cords (SC) were collected, and then, the number of cytokine-positive cells was determined via immunostaining.
Results
BPC-157 dose-dependently decreased the number of flinches during phase 1 but did not decrease the number of flinches during phase 2. During phase 1, interleukin-1β (IL-1β) in the DRG tissue was significantly different in the morphine, 10 μg/kg BPC-157, and 20 μg/kg BPC-157 groups. During phase 2, statistical significance was achieved in the DRG tissue in the morphine, 20 μg/kg BPC-157, and 40 μg/kg BPC-157 groups. During phase 1, interleukin-6 was significantly different in the DRG tissue in the morphine group and the SC tissue in the 10 μg/kg BPC-157 group. During phase 2, statistical significance was achieved in the morphine group and the BPC-157 20 μg/kg group in both the DRG and SC tissues. There were no significant differences in tumor necrosis factor-α between the DRG and SC tissues.
Conclusions
BPC-157 was effective during phase 1 but not during phase 2, as determined by the formalin test. BPC-157 decreased the expression of IL-1β in the DRG tissue in phases 1 and 2.
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Citations
Citations to this article as recorded by

- The anti-nociceptive effect of BPC-157 on the incisional pain model in rats
Young-Hoon Jung, Haekyu Kim, Hyaejin Kim, Eunsoo Kim, Jiseok Baik, Hyunjong Kang
Journal of Dental Anesthesia and Pain Medicine.2022; 22(2): 97. CrossRef - Stable Gastric Pentadecapeptide BPC 157 as Useful Cytoprotective Peptide Therapy in the Heart Disturbances, Myocardial Infarction, Heart Failure, Pulmonary Hypertension, Arrhythmias, and Thrombosis Presentation
Predrag Sikiric, Mario Udovicic, Ivan Barisic, Diana Balenovic, Gordana Zivanovic Posilovic, Dean Strinic, Sandra Uzun, Suncana Sikiric, Ivan Krezic, Helena Zizek, Haidi Yago, Slaven Gojkovic, Ivan Maria Smoday, Luka Kalogjera, Hrvoje Vranes, Marija Sola,
Biomedicines.2022; 10(11): 2696. CrossRef - Stable Gastric Pentadecapeptide BPC 157 and Striated, Smooth, and Heart Muscle
Mario Staresinic, Mladen Japjec, Hrvoje Vranes, Andreja Prtoric, Helena Zizek, Ivan Krezic, Slaven Gojkovic, Ivan Maria Smoday, Katarina Oroz, Eva Staresinic, Vilim Dretar, Haidi Yago, Marija Milavic, Suncana Sikiric, Eva Lovric, Lovorka Batelja Vuletic,
Biomedicines.2022; 10(12): 3221. CrossRef
- Genipin Inhibits Hypoxia-Induced Accumulation of HIF-1α and VEGF Expressions in Human Cervical Carcinoma Cells
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Cho Eui Jin, Jung Hyun Lee, Geun Joo Kim, Tae Hwa Lee
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Kosin Med J. 2019;34(2):106-116. Published online December 31, 2019
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DOI: https://doi.org/10.7180/kmj.2019.34.2.106
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Objectives
Hypoxia—a characteristic of almost all types of solid tumors—has been associated with poor outcomes in several human malignancies. Genipin—an active constituent of Gardenia fruit— has been reported to exert an anti-tumor effect in several cancers. In this study, we investigated inhibition of angiogenesis using Genipin-mediated hypoxia-induced hypoxia inducible factor (HIF-1) and VEGF expression in human cervical cancer cells.
Methods
Under normoxic and hypoxic conditions, the expression of HIF-1α and VEGF in cervical cancer HeLa cells was detected by quantitative reverse transcription polymerase chain reaction and western blotting. Luciferase reporter assays were used to investigate the molecular mechanisms underlying the hypoxia-induced survivin activation.
Results
Surprisingly, we found that Genipin suppressed the HIF-1α accumulation during hypoxia in human liver cancer cell line (HepG2), human prostate cancer cell line (LNCaP), colon cancer cell line (HCT116), and breast cancer cell line (MDA231). Genipin treatment also significantly reduced hypoxia-induced secretion of VEGF.
Conclusions
Suppression of HIF-1α accumulation following treatment with Genipin under hypoxia was associated with PI3K and MAPK pathways. Taken together, these results suggested that Genipin inhibits HIF-1α expression through inhibition of PI3K and MAPK signaling pathways. These results provide new insights into a potential mechanism of the anticancer properties of Genipin.
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Citations
Citations to this article as recorded by

- Novel Findings regarding the Bioactivity of the Natural Blue Pigment Genipin in Human Diseases
Magdalena Bryś, Karina Urbańska, Beata Olas
International Journal of Molecular Sciences.2022; 23(2): 902. CrossRef - The Effects of Natural and Synthetic Blue Dyes on Human Health: A Review of Current Knowledge and Therapeutic Perspectives
Beata Olas, Jacek Białecki, Karina Urbańska, Magdalena Bryś
Advances in Nutrition.2021; 12(6): 2301. CrossRef - Polyphenols Extracted from Chinese Hickory (Carya cathayensis) Promote Apoptosis and Inhibit Proliferation through the p53-Dependent Intrinsic and HIF-1α-VEGF Pathways in Ovarian Cancer Cells
Zhiping He, Shaozhen Wu, Ju Lin, Ashley Booth, Gary O’Neal Rankin, Ivan Martinez, Yi Charlie Chen
Applied Sciences.2020; 10(23): 8615. CrossRef
- The Study in Vitamin D Concentration in the Blood for Infants with High Level of Alkaline Phosphatase
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Ji Sung Kim, Jae Yong Choi, Kyun Woo Lee, Ick Jin Song, Cheol Am Kim, Byeong Hee Son, Jung Hyun Lee
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Kosin Med J. 2012;27(1):17-24. Published online June 11, 2012
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DOI: https://doi.org/10.7180/kmj.2012.27.1.17
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498
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Objectives
Nowadays most infants on exclusively breast feeding have vitamin D deficiency due to the increase of breast feeding. However, domestic research lacks appropriate materials. Therefore, we researched practical clinical aspects of vitamin D deficiency related to breast milk feeding for infants who have a high amount of alkaline phosphatase (> 500 IU/L).
Methods
The subjects of the study were 31 infants with high alkaline phosphatase level. We tested with 25-hydroxycholecalciferol (25-OHD3), parathyroid hormone, calcium, ionized calcium, phosphorus in their blood and with a wrist x-ray. Then, we divided them into two groups of breast feeding and formula feeding and compared the results.
Results
Eighteen infants (58%) out of 31 infants that have high alkaline phosphatase were vitamin D insufficiency or deficiency, and 16 (100%) breast feeding infants of them showed vitamin D deficiency or insufficiency. However, only 2 (13%) of 15 formula feeding infants were at insufficiency. There was a correlation between alkaline phosphatase and 25-OHD3 concentration in multiple regression analysis, but no correlation in other variables was found in group of breast milk feeding infants. There was neither correlation between vitamin D concentration and alkaline phosphatase nor other correlated variables in the group of formula milk feeding infants.
Conclusions
In this study, there was a high probability of vitamin D deficiency in the breast feeding infants with a high alkaline phosphatase level. Therefore, it is considered to be worth utilizing alkaline phosphatase as a screening test for vitamin D deficiency or rickets for breast feeding infants.
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Citations
Citations to this article as recorded by

- The Role of Vitamin D in Menopausal Medicine
Mijin Kim, Tae-Hee Kim, Hae-Hyeog Lee, Heung Yeol Kim, Min-Jung Oh
Kosin Medical Journal.2016; 31(2): 97. CrossRef - The Role of Vitamin D in Menopausal Medicine
Mijin Kim, Tae-Hee Kim, Hae-Hyeog Lee, Heung Yeol Kim, Min-Jung Oh
Kosin Medical Journal.2016; 31(2): 97. CrossRef - Recent Updates on Vitamin D and Pediatric Gastrointestinal Diseases
Ji-Hyun Seo, Ju Young Chang, Ji Sook Park, Chan-Hoo Park, Hee-Shang Youn
Pediatric Gastroenterology, Hepatology & Nutrition.2012; 15(3): 138. CrossRef
Review articles
- How to conduct well-designed clinical research
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Da Jung Kim, Song Yi Kil, Jongwon Son, Ho Sup Lee
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Kosin Med J. 2022;37(3):187-191. Published online September 27, 2022
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DOI: https://doi.org/10.7180/kmj.22.122
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516
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- Clinicians and healthcare decision-makers conduct their clinical practice based on the results of clinical trials. However, some health problems remain unresolved; in such cases, further research is required. To ensure reliable research results, it is important to understand the study design and conduct well-designed clinical trials. Many study designs can be chosen within the two broad categories of observational and interventional. Clinical studies have a variety of designs, including case series, case-control, cross-sectional, and prospective and retrospective cohort studies. Well-designed clinical studies can clarify important differences between treatment options and provide data on long-term drug efficacy and safety. Interpreting the results of clinical trials can be difficult because weaknesses in research design, data collection methods, analytic methods, and reporting can compromise their value and usefulness. However, although randomized controlled trials are limited owing to ethical and practical issues, they are optimal for investigating the effects of therapy and establishing causality. Here we present an overview of different clinical research designs and review their advantages and limitations.
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Citations
Citations to this article as recorded by

- Evaluation of automated calibration and quality control processes using the Aptio total laboratory automation system
Namhee Kim, Yein Kim, Jeongeun Park, Jungsoo Choi, Hyunyong Hwang
Kosin Medical Journal.2022; 37(4): 342. CrossRef - The effects of rebamipide, sucralfate, and rifaximin against inflammation and apoptosis in radiation-induced murine intestinal injury
Won Moon, Sangwook Lim, Yeonsoon Jung, Yuk Moon Heo, Seun Ja Park, Moo In Park, Sung Eun Kim, Jae Hyun Kim, Kyoungwon Jung
Kosin Medical Journal.2022; 37(4): 320. CrossRef
- How to write an original article in medicine and medical science
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Gwansuk Kang, Sung Eun Kim
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Kosin Med J. 2022;37(2):96-101. Published online June 24, 2022
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DOI: https://doi.org/10.7180/kmj.22.105
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- Excellent research in the fields of medicine and medical science can advance the field and contribute to human health improvement. In this aspect, research is important. However, if researchers do not publish their research, their efforts cannot benefit anyone. To make a difference, researchers must disseminate their results and communicate their opinions. One way to do this is by publishing their research. Therefore, academic writing is an essential skill for researchers. However, preparing a manuscript is not an easy task, and it is difficult to write well. Following a structure may be helpful for researchers. For example, the standard structure of medical and medical science articles includes the following sections: introduction, methods, results, and discussion (IMRAD). The purpose of this review is to present an introduction for researchers, especially novices, on how to write an original article in the field of medicine and medical science. Therefore, we discuss how to prepare and write a research manuscript for publication, using the IMRAD structure. We also included specific tips for writing manuscripts in medicine and medical science.
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Citations
Citations to this article as recorded by

- How does quiz activity affect summative assessment outcomes? An analysis of three consecutive years’ data on self-directed learning
Chi Eun Oh, Hyunyong Hwang
Kosin Medical Journal.2022; 37(3): 228. CrossRef - The effects of rebamipide, sucralfate, and rifaximin against inflammation and apoptosis in radiation-induced murine intestinal injury
Won Moon, Sangwook Lim, Yeonsoon Jung, Yuk Moon Heo, Seun Ja Park, Moo In Park, Sung Eun Kim, Jae Hyun Kim, Kyoungwon Jung
Kosin Medical Journal.2022; 37(4): 320. CrossRef
- The Roles of Human Endogenous Retroviruses (HERVs) in Inflammation
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Eun-Ji Ko, Hee-Jae Cha
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Kosin Med J. 2021;36(2):69-78. Published online December 31, 2021
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DOI: https://doi.org/10.7180/kmj.2021.36.2.69
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Human endogenous retroviruses (HERVs) are ancient, currently inactive, and non-infectious due to recombination, deletions, and mutations in the host genome. However, HERV-derived elements are involved in physiological phenomena including inflammatory response. In recent studies, HERV-derived elements were involved directly in various inflammatory diseases including autoimmune diseases such as rheumatoid arthritis (RA), multiple sclerosis, amyotrophic lateral sclerosis (ALS), and Sjogren’s syndrome. Regarding the involvement of HERV-derived elements in inflammation, two possible mechanisms have been proposed. First, HERV-derived elements cause nonspecific innate immune processes. Second, HERV-derived RNA or proteins might stimulate selective signaling mechanisms. However, it is unknown how silent HERV elements are activated in the inflammatory response and what factors and signaling mechanisms are involved with HERV-derived elements. In this review, we introduce HERV-related autoimmune diseases and propose the possible action mechanisms of HERV-derived elements in the inflammatory response at the molecular level.
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Citations
Citations to this article as recorded by

- Effect of human endogenous retrovirus-K env gene knockout on proliferation of ovarian cancer cells
Eun-Ji Ko, Eun Taeg Kim, Heungyeol Kim, Chul Min Lee, Suk Bong Koh, Wan Kyu Eo, Hongbae Kim, Young Lim Oh, Mee Sun Ock, Ki Hyung Kim, Hee-Jae Cha
Genes & Genomics.2022; 44(9): 1091. CrossRef - A Systems Biology Approach on the Regulatory Footprint of Human Endogenous Retroviruses (HERVs)
Georgios S. Markopoulos
Diseases.2022; 10(4): 98. CrossRef
Original article
- Influence of Orthokeratology Lens on Axial length Elongation and Myopic Progression in Childhood Myopia
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Su Jin Kim, Ji Eun Lee
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Kosin Med J. 2017;32(2):204-211. Published online December 29, 2017
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DOI: https://doi.org/10.7180/kmj.2017.32.2.204
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Objectives
To investigate the clinical effects of orthokeratology lens wear on inhibition of the myopic progression and axial length elongation in Korean children with myopia.
Methods
The authors reviewed out-patient records of 37 eyes of 19 patients wearing orthokeratology lenses. The 46 eyes of 23 patients wearing spectacles were included into the control group. We evaluated the relationship between orthokeratology lens wear and control group according to age, initial myopia, initial astigmatism, axial length elongation.
Results
There were no significant differences between two groups as for age, initial myopia, astigmatism, spherical equivalent, and axial length at baseline (t-test, P > 0.05). Significant reduction of refraction was shown in patients with wearing lenses after 1 year (t-test, P < 0.001). The mean axial length before and after 1 year was 24.62 ± 1.39 mm and 24.73 ± 1.28 mm respectively after lens wearing, and 24.59 ± 0.74 mm and 24.80 ± 0.71 mm respectively after wearing glasses. The axial length elongation was 0.11 ± 0.12 mm, and 0.21 ± 0.07 mm in patients with wearing lenses and glasses, respectively, which showed statistically significant difference (t-test, P < 0.0001).
Conclusions
The orthokeratology lens was found to be effective in suppression of myopic progression through less axial length elongation, compared with the glasses.
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Citations
Citations to this article as recorded by

- Refractive and corneal responses of young myopic children to short-term orthokeratology treatment with different compression factors
Kin Wan, Jason Ki-kit Lau, Sin Wan Cheung, Pauline Cho
Contact Lens and Anterior Eye.2020; 43(1): 65. CrossRef - The Impact of Overnight Orthokeratology on Accommodative Response in Myopic Subjects
Ana F. Pereira-da-Mota, Jéssica Costa, Ana Amorim-de-Sousa, José M. González-Méijome, António Queirós
Journal of Clinical Medicine.2020; 9(11): 3687. CrossRef
Case report
Original articles
- Effect of Rheumatoid Factor on Vascular Stiffness in General Population without Joint Symptoms
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Ji Hyun Lee, Hee Sang Tag, Geun Tae Kim, Min Jeong Kim, Seung Geun Lee, Eun Kyung Park, Dong Wa Koo
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Kosin Med J. 2017;32(1):25-35. Published online January 19, 2017
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DOI: https://doi.org/10.7180/kmj.2017.32.1.25
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- Objectives
The role of rheumatoid factor (RF) in vascular stiffness and cardiovascular risk in subjects without joint symptoms remains unclear. We investigated vascular stiffness in subjects without joint symptoms using pulse wave velocity (PWV), calculated Framingham risk scores (FRS), an estimator of cardiovascular risk, and analyzed whether vascular stiffness and FRS were affected by RF.
MethodsTwo hundred forty-two subjects were included in this population-based study. RF was quantified with turbid immunometry using a cut-off of RF > 15 IU/ml to denote RF positivity. Information was then obtained on joint symptoms. Brachial-ankle PWV (baPWV) was measured using an automated device.
ResultsOf the 242 subjects, 15 were RF-positive. RF-positive subjects without joint symptoms had a higher baPWV and FRS than RF-negative subjects without joint symptoms, but the difference did not reach statistical significance. However, when we stratified the subjects into two groups (group A – high RF: RF ≥ 40 IU/ml; group B – low RF: RF < 40 IU/ml), group A showed significantly higher baPWV (1640.7 ± 179.6 ㎝/s vs. 1405.7 ± 225.7 ㎝/s, P= 0.008) and FRS (25.7 ± 4.87 vs. 11.8 ± 9.6, P< 0.001). Multiple regression analysis was used to examine potential confounders, and RF exhibited significant but modest effects on baPWV (adjusted R-squared = 0.038, P= 0.030).
ConclusionsIn a sample of the general population without joint symptoms, higher levels of RF were associated with increased vascular stiffness, suggesting a pathophysiologic link between RF and endothelial dysfunction.
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Citations
Citations to this article as recorded by

- Model-Based Design of Defense Cyber-Physical Systems to Analyze Mission Effectiveness and Network Performance
Bong Gu Kang, Kyung-Min Seo, Tag Gon Kim
IEEE Access.2019; 7: 42063. CrossRef - Communication Analysis of Network-Centric Warfare via Transformation of System of Systems Model into Integrated System Model Using Neural Network
Bong Gu Kang, Kyung-Min Seo, Tag Gon Kim
Complexity.2018; 2018: 1. CrossRef
- A Computer-Assisted, Real-Time Feedback System for Medical Students as a Tool for Web-Based Learning
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Hyunyong Hwang
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Kosin Med J. 2016;31(2):134-145. Published online January 20, 2016
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DOI: https://doi.org/10.7180/kmj.2016.31.2.134
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- Abstract
Objectives
Medical students sometimes do not receive proper feedback from their instructors. This study evaluated a newly developed automated and personalized real-time feedback system intended to address this issue.
Methods
Third- and fourth-year medical students participated in quizzes focusing on 17 learning objectives and a five-scale survey that queried their prior knowledge related to blood transfusions. Immediately after completing the quizzes, the students received automated and personalized, real-time feedback and were instructed to take part in self-directed learning. This activity was followed by a final quiz. After completion of the final quiz, the students responded to the five-scale survey that probed the usefulness of and satisfaction with the automated, personalized, real-time feedback system.
Results
Eighty students took part in this study. The third-year group had a higher score for prior knowledge and also on the first quiz (P= 0.008, P= 0.046, respectively). There was no significant difference in final quiz scores between the third- and fourth-year groups (P= 0.633). The scores for usefulness of and satisfaction with the automated, real-time feedback system were 4.45 and 4.34, and 4.55 and 4.40 in the third- and fourth-year students, respectively.
Conclusions
The automated, personalized, real-time feedback system provided timely and effective feedback for medical students and was helpful for their self-directed learning.
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Citations
Citations to this article as recorded by

- New approach to learning medical procedures using a smartphone and the Moodle platform to facilitate assessments and written feedback
Sang-Shin Lee, Haeyoung Lee, Hyunyong Hwang
Kosin Medical Journal.2022; 37(1): 75. CrossRef - How does quiz activity affect summative assessment outcomes? An analysis of three consecutive years’ data on self-directed learning
Chi Eun Oh, Hyunyong Hwang
Kosin Medical Journal.2022; 37(3): 228. CrossRef
Review article
- Women, Stress and Heart Health: Mindfulness-Based Stress Reduction and Cardiovascular Disease
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Kyoung-Im Cho
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Kosin Med J. 2016;31(2):103-112. Published online January 20, 2016
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DOI: https://doi.org/10.7180/kmj.2016.31.2.103
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575
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- Abstract
Psychological stress including depression and anxiety are independent risk factors for cardiovascular disease morbidity and mortality, especially in women. Emotional regulation plays a mediating role in the development of depression and physical illness, and can alter resting physiologic responses associated with the stress response. Mindfulness-based stress reduction (MBSR) is a structured group program that employs mindfulness meditation to alleviate suffering associated with physical, psychosomatic, and psychiatric disorders. MBSR was originally developed for the management of chronic pain, which is now used widely to reduce psychological morbidity associated with chronic illnesses and to treat emotional and behavioral disorders. In cardiovascular disease, MBSR may be helpful for controlling several risk factors for coronary heart disease such as hypertension, type 2 diabetes mellitus, dyslipidemia, oxidative and psychosocial stress, obesity, and smoking, and improvements in submaximal exercise responses and heart rate variability. Although the most effective mode of stress reduction therapy is yet to be established, increasing recognition is being given to MBSR therapy.
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- Psychosomatic Approach to Fibromyalgia Syndrome: Concept, Diagnosis and Treatment
Sang-Shin Lee
Kosin Medical Journal.2021; 36(2): 79. CrossRef - Investigating the effect of meditation on spiritual wellbeing of Type-2 diabetic amputees: A clinical trial study
Ali Heydari Movahed, Fakhri Sabouhi, Reza Mohammadpourhodki, Sepideh Mahdavi, Sima Goudarzian, Malihe Amerian, Mona Mohtashami, Mansoure Kheiri, Malihe Imeni
Heliyon.2020; 6(11): e05567. CrossRef
Case report
- A Case of Disseminated Extranodal Interdigitating Dendritic Cell Sarcoma Arising from Parotid Gland
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Young Hoon Park, Shin Il Kim, Suk Jin Choi, Joo Han Lim, Hyeon Gyu Yi, Moon Hee Lee, Chul Soo Kim
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Kosin Med J. 2015;30(2):163-169. Published online January 20, 2015
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DOI: https://doi.org/10.7180/kmj.2015.30.2.163
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482
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- Abstract
Interdigitating dendritic cell sarcoma (IDCS) is an extremely rare tumor derived from professional antigen presenting cell and primarily found in lymph nodes, with rarer case report about extranodal presentation of IDCS. A 71-yr-old man was admitted with progressively enlarging and painless mass in the right parotid area for 2 months. Computed tomography of the neck and chest revealed enhancing mass in right parotid gland, multiple lymphadenopathies around neck and mediastinum, and an osteolytic metastasis at thoracic spine. Morphological and immunohistochemical analysis of an excisional biopsy specimen from parotid mass were consistent with a diagnosis of IDCS. Palliative chemotherapy with 6 cycles of CHOP (cyclophosphamide, adriamycin, vincristine, and prednisolone) regimen and 2 cycles of ABVD (adriamycin, bleomycin, vinblastine, and dacarbazine) regimen plus radiotherapy on parotid mass failed in tumor reduction. We describe a rare case of disseminated extranodal IDCS arising from parotid gland.
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- Interdigitating dendritic cell sarcoma involving head and neck region- a report of four cases with review of literature
Archana Lakshmanan, Ann Kurian, S. Annapurneswari
Human Pathology: Case Reports.2021; 24: 200514. CrossRef - New insights inside the interdigitating dendritic cell sarcoma—pooled analysis and review of literature
Amr Muhammed, Ahmed R. H. Ahmed, Hashem Maysa, Ahmed E. S. Mohamed, Asmaa Abd-ElGhany Abd-ElLateef, Esraa Elnakib
Annals of Hematology.2019; 98(12): 2641. CrossRef