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Nephrology
CTLA4-Ig protects tacrolimus-induced oxidative stress via inhibiting the AKT/FOXO3 signaling pathway in rats
Long Jin, Nan Shen, Xinyu Wen, Weidong Wang, Sun Woo Lim, Chul Woo Yang
Korean J Intern Med. 2023;38(3):393-405. Published online April 28, 2023
Background/Aims: Although the conversion from tacrolimus (TAC) to cytotoxic T-lymphocyte-associated antigen 4-immunoglobulin (CTLA4-Ig) is effective in reducing TAC-induced nephrotoxicity, it remains unclear whether CTLA4-Ig has a direct effect on TAC-induced renal injury. In this study, we evaluate..
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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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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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L-carnitine treatment attenuates renal tubulointerstitial fibrosis induced by unilateral ureteral obstruction
Hai Yan Zhao, Hui Ying Li, Jian Jin, Ji Zhe Jin, Long Ye Zhang, Mei Ying Xuan, Xue Mei Jin, Yu Ji Jiang, Hai Lan Zheng, Ying Shun Jin, Yong Jie Jin, Bum Soon Choi, Chul Woo Yang, Shang Guo Piao, Can Li
Korean J Intern Med. 2021;36(Suppl 1):S180-S195. Published online September 18, 2020
Background/Aims: Accumulating evidence indicates that L-carnitine (LC) protects against multiorgan damage through its antioxidant properties and preservation of the mitochondria. Little information is available about the effects of LC on renal fibrosis. This study examined whether LC treatment would..
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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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Human kidney organoids model the tacrolimus nephrotoxicity and elucidate the role of autophagy
Jin Won Kim, Sun Ah Nam, Eunjeong Seo, Jong Young Lee, Dohui Kim, Ji Hyeon Ju, Sun Woo Lim, Hong Lim Kim, Hyung Wook Kim, Chul Woo Yang, Jin Kim, Dong Sung Kim, Yong Kyun kim
Korean J Intern Med. 2021;36(6):1420-1436. Published online July 27, 2021
Background/Aims: Tacrolimus has been used as an immunosuppressive agent in organ transplantation. Despite the therapeutic benefits, tacrolimus’s use is limited due to its nephrotoxicity. To reduce tacrolimus nephrotoxicity, effective humanized experimental models may be helpful. Here, we modeled t..
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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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Low parathyroid hormone level predicts infection-related mortality in incident dialysis patients: a prospective cohort study
Yu Ah Hong, Jeong Ho Kim, Yong Kyun Kim, Yoon Kyung Chang, Cheol Whee Park, Suk Young Kim, Yon Su Kim, Shin-Wook Kang, Nam-Ho Kim, Yong-Lim Kim, Chul Woo Yang
Korean J Intern Med. 2020;35(1):160-170. Published online October 28, 2019
Background/Aims: Parathyroid hormone (PTH) is an important factor influencing immunologic dysfunction, but the effect of PTH level on infection-related outcomes remains unclear in incident dialysis.
Methods: We evaluated a multicenter prospective cohort study of 1,771 incident dialysis patients (1,..
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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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Shen-Kang protects against tacrolimus-induced renal injury
Long Ye Zhang, Jian Jin, Kang Luo, Shang Guo Piao, Hai Lan Zheng, Ji Zhe Jin, Sun Woo Lim, Bum Soon Choi, Chul Woo Yang, Can Li
Korean J Intern Med. 2019;34(5):1078-1090. Published online February 12, 2018
Background/Aims: Evidence suggests that Shen-Kang (SK), a traditional Chinese herbal medicine, protects against various types of renal injury. In this study, we evaluated whether SK treatment confers renoprotection in a rat model of chronic tacrolimus (TAC) nephropathy.
Methods: Rats were treated d..
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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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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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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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Notch signaling in the collecting duct regulates renal tubulointerstitial fibrosis induced by unilateral ureteral obstruction in mice
Arum Choi, Sun Ah Nam, Wan-Young Kim, Sang Hee Park, Hyang Kim, Chul Woo Yang, Jin Kim, Yong Kyun Kim
Korean J Intern Med. 2018;33(4):774-782. Published online May 26, 2017
Background/Aims: Mind bomb-1 (Mib1) encodes an E3 ubiquitin ligase, which is required for the initiation of Notch signaling. Recently, it was demonstrated that the renal collecting duct plays an important role in renal fibrosis. Here, we investigated the role of Notch signaling in renal fibro..
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Applications of kidney organoids derived from human pluripotent stem cells
Yong Kyun Kim, Sun Ah Nam, Chul Woo Yang
Korean J Intern Med. 2018;33(4):649-659. Published online June 28, 2018
The establishment of protocols to differentiate kidney organoids from human pluripotent stem cells provides potential applications of kidney organoids in regenerative medicine. Modeling of renal diseases, drug screening, nephrotoxicity testing of compounds, and regenerative therapy are attractive ap..
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