Byung Ha Chung |
28 Articles |
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Nephrology
Therapeutic effect of multiple functional minicircle vector encoding anti-CD25/IL-10/CXCR3 in allograft rejection model
Sun Woo Lim, Yoo Jin Shin, Sheng Cui, Eun Jeong Ko, Seok Ho Yoo, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2022;37(5):1031-1049. Published online June 21, 2022
Background/Aims: We previously proposed minicircle vector technology as the potential platform for the development and production of new biologics. In this study, we have designed a novel target molecule for the treatment of allograft rejection and evaluated its feasibility as the therapeutic agent ..
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Omics-based biomarkers for diagnosis and prediction of kidney allograft rejection
Jeong-Hoon Lim, Byung Ha Chung, Sang-Ho Lee, Hee-Yeon Jung, Ji-Young Choi, Jang-Hee Cho, Sun-Hee Park, Yong-Lim Kim, Chan-Duck Kim
Korean J Intern Med. 2022;37(3):520-533. Published online April 15, 2022
Kidney transplantation is the preferred treatment for patients with end-stage kidney disease, because it prolongs survival and improves quality of life. Allograft biopsy is the gold standard for diagnosing allograft rejection. However, it is invasive and reactive, and continuous monitoring is unreal..
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Nephrology
Alleviation of renal ischemia/reperfusion injury by exosomes from induced pluripotent stem cell-derived mesenchymal stem cells
Sun Woo Lim, Kyung Woon Kim, Bo Mi Kim, Yoo Jin Shin, Kang Luo, Yi Quan, Sheng Cui, Eun Jeong Ko, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2022;37(2):411-424. Published online September 16, 2021
Background/Aims: Renal ischemia followed by reperfusion (I/R) is a leading cause of acute kidney injury (AKI), which is closely associated with high morbidity and mortality. Studies have shown that induced pluripotent stem cell (iPSC)-derived mesenchymal stem cells (iMSCs) exert powerful therapeutic..
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Nicotine exacerbates tacrolimus-induced renal injury by programmed cell death
Yu Ji Jiang, Sheng Cui, Kang Luo, Jun Ding, Qi Yan Nan, Shang Guo Piao, Mei Ying Xuan, Hai Lan Zheng, Yong Jie Jin, Ji Zhe Jin, Jung Pyo Lee, Byung Ha Chung, Bum Soon Choi, Chul Woo Yang, Can Li
Korean J Intern Med. 2021;36(6):1437-1449. Published online October 21, 2021
Background/Aims: Cigarette smoking is an important modifiable risk factor in kidney disease progression. However, the underlying mechanisms for this are lacking. This study aimed to assess whether nicotine (NIC), a major toxic component of cigarette smoking, would exacerbates tacrolimus (TAC)-induce..
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Water-soluble coenzyme Q10 provides better protection than lipid-soluble coenzyme Q10 in a rat model of chronic tacrolimus nephropathy
Sheng Cui, Kang Luo, Yi Quan, Sun Woo Lim, Yoo Jin Shin, Kyung Eun Lee, Hong Lim Kim, Eun Jeong Ko, Ju Hwan Kim, Sang J. Chung, Soo Kyung Bae, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2021;36(4):949-961. Published online January 12, 2021
Background/Aims: Coenzyme Q10 (CoQ10), is a promising antioxidant; however, low bioavailability owing to lipid-solubility is a limiting factor. We developed water-soluble CoQ10 (CoQ10-W) and compared its effects with conventional lipid-soluble CoQ10
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Mortality prediction of serum neutrophil gelatinase-associated lipocalin in patients requiring continuous renal replacement therapy
Yohan Park, Tae Hyun Ban, Hyung Duk Kim, Eun Jeong Ko, Jongmin Lee, Seok Chan Kim, Cheol Whee Park, Chul Woo Yang, Yong-Soo Kim, Byung Ha Chung
Korean J Intern Med. 2021;36(2):392-400. Published online July 7, 2020
Background/Aims: We investigated whether serum neutrophil gelatinase-associated lipocalin (NGAL) can predict mortality in patients with acute kidney injury (AKI) requiring continuous renal replacement therapy (CRRT).
Methods: This study enrolled 169 patients who underwent serum NGAL testing at CRRT..
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Usefulness of BK virus-specific interferon-γ enzyme-linked immunospot assay for predicting the outcome of BK virus infection in kidney transplant recipients
Hyunjoo Bae, Do Hyun Na, Ji-Yeun Chang, Ki Hyun Park, Ji Won Min, Eun Jeong Ko, Hyeyoung Lee, Chul Woo Yang, Byung Ha Chung, Eun-Jee Oh
Korean J Intern Med. 2021;36(1):164-174. Published online April 3, 2020
Background/Aims: To investigate if BK virus (BKV)-specific T cell immunity measured by an interferon-γ enzyme-linked immunospot (ELISPOT) assay can predict the outcome of BK virus infection in kidney transplant recipients (KTRs). Methods: We included 68 KTRs with different viremia status (no virem..
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The therapeutic efficacy of water-soluble coenzyme Q10 in an experimental model of tacrolimus-induced diabetes mellitus
Yi Quan, Kang Luo, Sheng Cui, Sun Woo Lim, Yoo Jin Shin, Eun Jeong Ko, Ju Hwan Kim, Sang J. Chung, Soo Kyung Bae, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2020;35(6):1443-1456. Published online April 14, 2020
Background/Aims: Coenzyme Q10 (CoQ10) has antioxidant effects and is commercially available and marketed extensively. However, due to its low bioavailability, its effects are still controversial. We developed a water-soluble CoQ10-based micelle formulation (CoQ10-W) ..
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Assessment of nephrotoxicity of herbal medicine containing aristolochic acid in mice
Yi Quan, Long Jin, Kang Luo, Jian Jin, Sun Woo Lim, Yoo Jin Shin, Eun Jeong Ko, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2020;35(2):400-407. Published online November 21, 2019
Background/Aims: It is undetermined if herbal medicines (HM) containing aristolochic acid (AA)-containing have similar nephrotoxicity to AA itself.
Methods: We administered HM containing a high concentration of AA for 5 days (short-term study) or a low concentration of AA for 30 days (long-term stu..
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Clinical outcomes and effects of treatment in older patients with idiopathic membranous nephropathy
Yaeni Kim, Hye Eun Yoon, Byung Ha Chung, Bum Soon Choi, Cheol Whee Park, Chul Woo Yang, Yong-Soo Kim, Yu Ah Hong, Suk Young Kim, Yoon-Kyung Chang, Hyeon Seok Hwang
Korean J Intern Med. 2019;34(5):1091-1099. Published online August 14, 2019
Background/Aims: Membranous nephropathy (MN) is the most common primary glomerular disease diagnosed in older patients. Few reports describe the clinical outcomes in older patients with idiopathic MN.
Methods: The outcomes of 135 patients with histologically proven MN were analyzed. ‘Older’ was ..
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The effects of addition of coenzyme Q10 to metformin on sirolimus-induced diabetes mellitus
In O Sun, Long Jin, Jian Jin, Sun Woo Lim, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2019;34(2):365-374. Published online December 13, 2017
Background/Aims: This study was performed to determine whether adding coenzyme Q10 (CoQ10) to metformin (MET) has a beneficial effect as a treatment for sirolimus (SRL)-induced diabetes mellitus (DM).
Methods: DM was induced in rats by daily treatment with SRL (0.3 mg/kg, subc..
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Usefulness of valacyclovir prophylaxis for cytomegalovirus infection after anti-thymocyte globulin as rejection therapy
Eun Jeong Ko, Ji Hyun Yu, Chul Woo Yang, Byung Ha Chung
Korean J Intern Med. 2019;34(2):375-382. Published online December 15, 2017
Background/Aims: Anti-thymocyte globulin (ATG) treatment for acute T-cell mediated rejection (TCMR) can increase the risk of cytomegalovirus (CMV) infection. We aimed to evaluate the effect of valacyclovir prophylaxis against CMV infection after ATG administration as anti-rejection therapy.
Methods..
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Update of aristolochic acid nephropathy in Korea
Tae Hyun Ban, Ji-Won Min, Changhwan Seo, Da Rae Kim, Yu Ho Lee, Byung Ha Chung, Kyung-Hwan Jeong, Jae Wook Lee, Beom Seok Kim, Sang-Ho Lee, Bum Soon Choi, Jin Suk Han, Chul Woo Yang
Korean J Intern Med. 2018;33(5):961-969. Published online March 20, 2018
Background/Aims: The true incidence of aristolochic acid nephropathy (AAN) is thought to be underestimated because numerous ingredients known or suspected to contain aristolochic acid (AA) are used in traditional medicine in Korea.
Methods: We collected data on cases of AAN since 1996 via a databas..
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Clinical significance of Th17 cells in kidney transplantation
Byung Ha Chung, Chul Woo Yang, Mi-La Cho
Korean J Intern Med. 2018;33(5):860-866. Published online May 31, 2018
Transplantation research has focused on cytotoxic T-cell and plasma cell/B-cell-targeted strategies, but little attention has been paid to the role of T helper 17 (Th17) cells in allograft dysfunction. However, accumulating evidence suggests that Th17 cells contribute to the development of acute and..
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Clinical significance of the presence of anti-human leukocyte antigen-donor specific antibody
in kidney transplant recipients with allograft dysfunction
Byung Ha Chung, Jeong Ho Kim, Bum Soon Choi, Cheol Whee Park, Ji-Il Kim, In Sung Moon, Yong-Soo Kim, Yeong Jin Choi, Eun-Jee Oh, Chul Woo Yang
Korean J Intern Med. 2018;33(1):157-167. Published online October 20, 2016
Background/Aims: This study investigated the clinical significance of detecting anti-human leukocyte antigen-donor specific antibody (HLA-DSA) in kidney transplant recipients (KTRs) requiring indication biopsy owing to allograft dysfunction.
Methods: We analyzed the presence of HLA-DSA in 210 KTRs ..
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Development of Kaposi sarcoma and hemophagocytic lymphohistiocytosis associated with human herpesvirus 8 in a renal transplant recipient
Young Jae Park, Hyun Jin Bae, Ji-Yeun Chang, Chul Woo Yang, Byung Ha Chung
Korean J Intern Med. 2017;32(4):750-752. Published online February 4, 2016
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Nephrology
Effects of metformin on hyperglycemia in an experimental model of tacrolimus- and sirolimus-induced diabetic rats
Jian Jin, Sun Woo Lim, Long Jin, Ji Hyun Yu, Hyun Seon Kim, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2017;32(2):314-322. Published online September 30, 2016
Background/Aims: Metformin (MET) is a first-line drug for type 2 diabetes mellitus (DM); its effect on new-onset diabetes after transplantation caused by immunosuppressant therapy is unclear. We compared the effects of MET on DM caused by tacrolimus (TAC) or sirolimus (SRL).
Methods: DM was induced..
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Safety and immunologic benefits of conversion to sirolimus in kidney transplant recipients with long-term exposure to calcineurin inhibitors
Ji Hyun Yu, Kyoung Woon Kim, Bo-Mi Kim, Byung Ha Chung, Mi-La Cho, Bum Soon Choi, Cheol Whee Park, Yong-Soo Kim, Chul Woo Yang
Korean J Intern Med. 2016;31(3):552-559. Published online March 11, 2016
Background/Aims: Sirolimus (SRL) is a promising immunosuppressant replacingcalcineurin inhibitors (CNIs). This study was performed to evaluate the safetyand immunologic benefits of conversion to SRL in stable kidney transplant (KT)recipients exposed to CNIs for long periods.
Methods: Fourteen CNI-t..
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Risk factors in the progression of BK virus-associated nephropathy in renal transplant recipients
Hae Min Lee, In-Ae Jang, Dongjae Lee, Eun Jin Kang, Bum Soon Choi, Cheol Whee Park, Yeong Jin Choi, Chul Woo Yang, Yong-Soo Kim, Byung Ha Chung
Korean J Intern Med. 2015;30(6):865-872. Published online October 30, 2015
Background/Aims: BK virus-associated nephropathy (BKVAN) is an important cause of allograft dysfunction in kidney transplant recipients. It has an unfavorable clinical course, and no definite treatment guidelines have yet been established. Here, we report our center’s experience with biopsy-proven ..
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Immunologic and non-immunologic complications of a third kidney transplantation
Hyun Seon Kim, Jae Young Kim, Eun Jin Kang, Yoon Seok Choi, Ji-Il Kim, In Sung Moon, Bum Soon Choi, Cheol Whee Park, Chul Woo Yang, Yong-Soo Kim, Byung Ha Chung
Korean J Intern Med. 2015;30(5):657-664. Published online August 27, 2015
Background/Aims: Patients who undergo repeat kidney transplantations (KTs) are considered at high risk for experiencing immunologic and non-immunologic complications. In this study, we investigated the clinical outcomes, including medical and surgical complications, of patients who underwent a third..
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Limited immune tolerance induced by transient mixed chimerism
Ji Hyun Yu, Byung Ha Chung, Eun Ji Oh, Ji-Il Kim, Hee-Je Kim, In Sung Moon, Chul Woo Yang
Korean J Intern Med. 2015;30(5):735-738. Published online August 27, 2015
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Nephrology
Henoch-Schönlein purpura secondary to infective endocarditis in a patient with pulmonary valve stenosis and a ventricular septal defect
Sung Eun Ha, Tae Hyun Ban, Sung Min Jung, Kang Nam Bae, Byung Ha Chung, Cheol Whee Park, Bum-Soon Choi
Korean J Intern Med. 2015;30(3):406-410. Published online April 29, 2015
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Recurrent neutropenia induced by rifabutin in a renal transplant recipient
Ji Yeun Chang, Eun Gyo Jeong, Ji Hyun Yu, Byung Ha Chung, Chul Woo Yang
Korean J Intern Med. 2014;29(4):532-534. Published online June 27, 2014
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Nephrology
Effects of pretransplant plasmapheresis and rituximab on recurrence of focal segmental glomerulosclerosis in adult renal transplant recipients
Hoon Suk Park, Yuah Hong, In O Sun, Byung Ha Chung, Hyung Wook Kim, Bum Soon Choi, Cheol Whee Park, Dong Chan Jin, Yong Soo Kim, Chul Woo Yang
Korean J Intern Med. 2014;29(4):482-488. Published online June 27, 2014
Background/Aims: Recurrent focal segmental glomerulosclerosis (FSGS) following renal transplantation is relatively common. However, the risk factors and optimal pretransplant treatment preventing recurrence of FSGS remain controversial.
Methods: We retrospectively reviewed 27 adult renal transplan..
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Clinical characteristics and outcomes in renal transplant recipients with renal cell carcinoma in the native kidney
In O Sun, Yu Mi Ko, Eun Young Kim, Kyung Seon Park, Hong Soon Jung, Sun Hye Ko, Byung Ha Chung, Bum Soon Choi, Cheol Whee Park, Yong Soo Kim, Chul Woo Yang
Korean J Intern Med. 2013;28(3):347-351. Published online May 1, 2013
Background/AimsWe investigated the incidence and clinical characteristics of renal cell carcinoma (RCC) in the native kidney of renal transplant recipients. MethodsBetween 1991 and 2010, 1,425 patients underwent kidney transplantation at our ins..
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Experience of Anti-Viral Therapy in Hepatitis B-Associated Membranous Nephropathy, Including Lamivudine-Resistant Strains
In O Sun, Yu Ah Hong, Hoon Suk Park, Sun Ryoung Choi, Byung Ha Chung, Cheol Whee Park, Chul Woo Yang, Yong Soo Kim, Bum Soon Choi
Korean J Intern Med. 2012;27(4):411-416. Published online November 27, 2012
Background/AimsChronic hepatitis B infection is a common cause of secondary membranous nephropathy (MN) in endemic areas. Lamivudine treatment improves renal outcome in patients with hepatitis B virus-associated MN (HBV-MN), but prolonged use leads to the emergence of lamivudi..
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Cytomegalovirus Induced Interstitial Nephritis and Ureteral Stenosis in Renal Transplant Recipient
Sung Ha Bae, Byung Ha Chung, Yun Kyung Park, Kwanhoon Jo, Chul Woo Yang, Yong-Soo Kim, Bum Soon Choi
Korean J Intern Med. 2012;27(4):470-473. Published online November 27, 2012
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Changing Donor Source Pattern for Kidney Transplantation over 40 Years: A Single-Center Experience
Byung Ha Chung, Mi Hyang Jung, Sung Ha Bae, Suk Hui Kang, Hyeon Seok Hwang, Bok Jin Hyoung, So Young Lee, Youn Ju Jeon, Bum Soon Choi, Cheol Whee Park, Yong-Soo Kim, Ji-Il Kim, In Sung Moon, Chul Woo Yang
Korean J Intern Med. 2010;25(3):288-293. Published online August 31, 2010
Background/AimsKidney transplantations at our center rely mainly on living donors. The purpose of this study was to suggest future donor supply directions by reviewing changing trends in donor type. MethodsDuring the past 40 years, 1,690 kidney ..
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