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Sung E, Ko M, Won JY, Jo Y, Park E, Kim H, Choi E, Jung UJ, Jeon J, Kim Y, Ahn H, Choi DS, Choi S, Hong Y, Park H, Lee H, Son YG, Park K, Won J, Oh SJ, Lee S, Kim KP, Yoo C, Song HK, Jin HS, Jung J, Park Y. LAG-3xPD-L1 bispecific antibody potentiates antitumor responses of T cells through dendritic cell activation. Mol Ther 2022; 30:2800-2816. [PMID: 35526096 PMCID: PMC9372323 DOI: 10.1016/j.ymthe.2022.05.003] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 04/08/2022] [Accepted: 05/03/2022] [Indexed: 11/26/2022] Open
Abstract
Several preclinical studies demonstrate that antitumor efficacy of PD-1/PD-L1 blockade can be improved by combination with other checkpoint inhibitors. Lymphocyte-activation gene 3 (LAG-3) is an inhibitory checkpoint receptor involved in T cell exhaustion and tumor immune escape. Here, we describe ABL501, a bispecific antibody targeting LAG-3 and PD-L1 in modulating immune cell responses against tumors. ABL501 that efficiently inhibits both LAG-3 and PD-L1 pathways enhances the activation of effector CD4+ and CD8+ T cells with a higher degree than a combination of single anti-LAG-3 and anti-PD-L1. The augmented effector T cell responses by ABL501 resulted in mitigating regulatory T cell-mediated immunosuppression. Mechanistically, the simultaneous binding of ABL501 to LAG-3 and PD-L1 promotes DC activation and tumor cell conjugation with T cells that subsequently mounts effective CD8+T cell responses. ABL501 demonstrates its potent in vivo antitumor efficacy in a humanized xenograft model and with knock-in mice expressing human orthologs. The immune profiling analysis of peripheral blood reveals an increased abundance of LAG-3hiPD-1hi memory CD4+T cell subset in relapsed cholangiocarcinoma patients after gemcitabine plus cisplatin therapy, which are more responsive to ABL501. This study supports the clinical evaluation of ABL501 as a novel cancer immunotherapeutic, and a first-in-human trial has started (NCT05101109).
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Affiliation(s)
| | - Minkyung Ko
- Theragnosis center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea
| | - Ju-Young Won
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Yunju Jo
- Theragnosis center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea; Department of Life Sciences, Korea University, Seoul, 02481, South Korea
| | | | | | - Eunji Choi
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | | | | | | | - Hyejin Ahn
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Da-Som Choi
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Seunghyun Choi
- Theragnosis center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea
| | | | | | | | | | | | | | - Soo Jin Oh
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Seonmin Lee
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Kyu-Pyo Kim
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Changhoon Yoo
- Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea
| | - Hyun Kyu Song
- Department of Life Sciences, Korea University, Seoul, 02481, South Korea
| | - Hyung-Seung Jin
- Department of Convergence Medicine, Asan Institute for Life Sciences, Asan Medical Center, University of Ulsan College of Medicine, Seoul, 05505, South Korea.
| | - Jaeho Jung
- ABL Bio Inc, Seongnam, 13488, South Korea.
| | - Yoon Park
- Theragnosis center, Biomedical Research Institute, Korea Institute of Science and Technology (KIST), Seoul, 02792, South Korea.
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Jeong S, Park E, Kim HD, Sung E, Kim H, Jeon J, Kim Y, Jung UJ, Son YG, Hong Y, Lee H, Lee S, Lim Y, Won J, Jeon M, Hwang S, Fang L, Jiang W, Wang Z, Shin EC, Park SH, Jung J. Novel anti-4-1BB×PD-L1 bispecific antibody augments anti-tumor immunity through tumor-directed T-cell activation and checkpoint blockade. J Immunother Cancer 2021; 9:jitc-2021-002428. [PMID: 34230109 PMCID: PMC8261887 DOI: 10.1136/jitc-2021-002428] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/07/2021] [Indexed: 12/24/2022] Open
Abstract
Background Stimulation of 4-1BB with agonistic antibodies is a promising strategy for improving the therapeutic efficacy of immune checkpoint inhibitors (ICIs) or for overcoming resistance to ICIs. However, dose-dependent hepatotoxicity was observed in clinical trials with monoclonal anti-4-1BB agonistic antibodies due to the activation of 4-1BB signaling in liver resident Kupffer cells. Methods To avoid this on-target liver toxicity, we developed a novel bispecific antibody (4-1BB×PD-L1 bispecific antibody, termed “ABL503”) uniquely designed to activate 4-1BB signaling only in the context of PD-L1, while also blocking PD-1/PD-L1 signaling. Results Functional evaluation using effector cells expressing both 4-1BB and PD-1 revealed superior biological activity of ABL503 compared with the combination of each monoclonal antibody. ABL503 also augmented T-cell activation in in vitro assays and further enhanced the anti-PD-L1-mediated reinvigoration of tumor-infiltrating CD8+ T cells from patients with cancer. Furthermore, in humanized PD-L1/4-1BB transgenic mice challenged with huPD-L1-expressing tumor cells, ABL503 induced superior anti-tumor activity and maintained an anti-tumor response against tumor rechallenge. ABL503 was well tolerated, with normal liver function in monkeys. Conclusion The novel anti-4-1BB×PD-L1 bispecific antibody may exert a strong anti-tumor therapeutic efficacy with a low risk of liver toxicity through the restriction of 4-1BB stimulation in tumors.
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Affiliation(s)
- Seongju Jeong
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | | | - Hyung-Don Kim
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea.,Department of Oncology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Seoul, Korea
| | | | | | | | | | | | | | | | | | | | | | | | - Minwoo Jeon
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Shin Hwang
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Seoul, Korea
| | - Lei Fang
- I-Mab Biopharma, Shanghai, China
| | | | | | - Eui-Cheol Shin
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
| | - Su-Hyung Park
- Graduate School of Medical Science and Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Korea
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You G, Lee Y, Kang YW, Park HW, Park K, Kim H, Kim YM, Kim S, Kim JH, Moon D, Chung H, Son W, Jung UJ, Park E, Lee S, Son YG, Eom J, Won J, Park Y, Jung J, Lee SW. B7-H3×4-1BB bispecific antibody augments antitumor immunity by enhancing terminally differentiated CD8 + tumor-infiltrating lymphocytes. Sci Adv 2021; 7:7/3/eaax3160. [PMID: 33523913 PMCID: PMC7810375 DOI: 10.1126/sciadv.aax3160] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 11/19/2020] [Indexed: 05/17/2023]
Abstract
Cancer immunotherapy with 4-1BB agonists has limited further clinical development because of dose-limiting toxicity. Here, we developed a bispecific antibody (bsAb; B7-H3×4-1BB), targeting human B7-H3 (hB7-H3) and mouse or human 4-1BB, to restrict the 4-1BB stimulation in tumors. B7-H3×m4-1BB elicited a 4-1BB-dependent antitumor response in hB7-H3-overexpressing tumor models without systemic toxicity. BsAb primarily targets CD8 T cells in the tumor and increases their proliferation and cytokine production. Among the CD8 T cell population in the tumor, 4-1BB is solely expressed on PD-1+Tim-3+ "terminally differentiated" subset, and bsAb potentiates these cells for eliminating the tumor. Furthermore, the combination of bsAb and PD-1 blockade synergistically inhibits tumor growth accompanied by further increasing terminally differentiated CD8 T cells. B7-H3×h4-1BB also shows antitumor activity in h4-1BB-expressing mice. Our data suggest that B7-H3×4-1BB is an effective and safe therapeutic agent against B7-H3-positive cancers as monotherapy and combination therapy with PD-1 blockade.
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Affiliation(s)
- Gihoon You
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | | | - Yeon-Woo Kang
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Han Wook Park
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | | | - Hyekang Kim
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Young-Min Kim
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Sora Kim
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Ji-Hae Kim
- Department of Life Sciences, POSTECH, Pohang, Republic of Korea
| | - Dain Moon
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | | | - Wonjun Son
- ABL Bio Inc., Seongnam, Republic of Korea
| | | | | | - Shinai Lee
- ABL Bio Inc., Seongnam, Republic of Korea
| | | | | | | | - Yunji Park
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea
| | - Jaeho Jung
- ABL Bio Inc., Seongnam, Republic of Korea.
| | - Seung-Woo Lee
- Division of Integrative Biosciences and Biotechnology, Pohang University of Science and Technology (POSTECH), Pohang, Republic of Korea.
- Department of Life Sciences, POSTECH, Pohang, Republic of Korea
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McGregor RA, Kwon EY, Shin SK, Jung UJ, Kim E, Park JHY, Yu R, Yun JW, Choi MS. Time-course microarrays reveal modulation of developmental, lipid metabolism and immune gene networks in intrascapular brown adipose tissue during the development of diet-induced obesity. Int J Obes (Lond) 2013; 37:1524-31. [PMID: 23628853 DOI: 10.1038/ijo.2013.52] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Revised: 03/21/2013] [Accepted: 03/23/2013] [Indexed: 02/06/2023]
Abstract
OBJECTIVE The aim of this study was to establish the time-course of molecular events in intrascapular brown adipose tissue (iBAT) during the development of diet-induced obesity using microarrays and molecular network analysis. DESIGN C57BL/6J male inbred mice were fed a high-fat diet (HFD) or normal diet (ND) and killed at multiple time-points over 24 weeks. METHODS Global transcriptional changes in iBAT were determined by time-course microarrays of pooled RNA (n=6, pools per time-point) at 2, 4, 8, 20 and 24 weeks using Illumina MouseWG-6 v2.0 Beadchips. Molecular networks were constructed using the Ingenuity knowledgebase based on differentially expressed genes at each time-point. RESULTS Body weight and subcutaneous adipose were progressively increased over 24 weeks, whereas iBAT was significantly increased between 6 and 12 weeks in HFD-fed C57BL/6J mice compared with controls. Blood glucose and insulin levels were increased between 16 and 24 weeks. Time-course microarrays, revealed 155 differentially expressed genes at one or more time-points over 24 weeks in the iBAT of HFD-fed mice compared with controls. Time-course network analysis revealed a network of skeletal muscle development genes that was activated between 2 and 4 weeks, subsequently a network of immune trafficking genes was activated at 8 weeks. After 20 and 24 weeks, multiple lipid metabolism and immune response networks were activated. Several target genes identified by time-course microarrays were independently validated using RT-qPCR. Tnnc1 was upregulated early between 2 and 4 weeks, later Cd68 and Col1a1 were upregulated between 20 and 24 weeks, whereas 11β-hydroxysteroid dehydrogenase (Hsd11b1) was consistently downregulated during the development of diet-induced obesity. CONCLUSION Molecular networks in iBAT are modulated in a time-dependent manner in response to a HFD. A broad range of gene targets exists to alter molecular changes within iBAT during the development of diet-induced obesity.
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Affiliation(s)
- R A McGregor
- 1] Center for Food and Nutritional Genomics Research, Department of Food Science and Nutrition, Kyungpook National University, Daegu, Republic of Korea [2] Institute for Innovation in Biology, School of Biological Sciences, University of Auckland, Auckland, New Zealand
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Jung UJ, Deckelbaum R. Abstract: P456 CONTRASTING EFFECTS OF N-3 EPA AND SATURATED PALMITIC ACID ON MODULATING MACROPHAGE DERIVED LIPASES AND ANTI-INFLAMMATORY RESPONSES. ATHEROSCLEROSIS SUPP 2009. [DOI: 10.1016/s1567-5688(09)70751-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Choi MS, Jung UJ, Yeo J, Kim MJ, Lee MK. Genistein and daidzein prevent diabetes onset by elevating insulin level and altering hepatic gluconeogenic and lipogenic enzyme activities in non-obese diabetic (NOD) mice. Diabetes Metab Res Rev 2008; 24:74-81. [PMID: 17932873 DOI: 10.1002/dmrr.780] [Citation(s) in RCA: 139] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
BACKGROUND Non-obese diabetic (NOD) mice are regarded as being excellent animal models of human type 1 diabetes or insulin dependent diabetes (IDDM). This study investigated the beneficial effects of genistein and daidzein on IDDM, an autoimmune disease. METHODS Female NOD mice were divided into control, genistein (0.02%, w/w) and daidzein (0.02%, w/w) groups. Blood glucose level, plasma biomarkers, hepatic glucose and lipid regulating enzyme activities and pancreas immunohistochemistry analysis were examined after a 9-week experimental period. RESULTS Blood glucose levels of genistein and daidzein groups were 40 and 36% of control value at the end of study (9th week). The genistein and daidzein supplements increased insulin/glucagon ratio and C-peptide level with preservation of insulin staining beta-cell of pancreas in the NOD mice. In the liver, genistein and daidzein supplements resulted in lowering glucose-6-phosphatase (G6Pase) and phosphoenolpyruvate carboxykinase (PEPCK) activities, while increasing two lipogenic enzymes activities, malic enzyme and glucose-6-phosphate dehydrogenase (G6PD), compared to the control group. Significantly, genistein and daidzein supplementation lowered the activities of fatty acid beta-oxidation and carnitine palmitoyltransferase (CPT) in these mice. Genistein and daidzein also improved plasma triglyceride and free fatty acid (FFA) concentrations compared to the control group. CONCLUSIONS These results suggest that genistein and daidzein play important roles in regulation of glucose homeostasis in type 1 diabetic mice by down-regulating G6Pase, PEPCK, fatty acid beta-oxidation and CPT activities, while up-regulating malic enzyme and G6PD activities in liver with preservation of pancreatic beta-cells. The supplementation of genistein and daidzein are seemingly helpful for preventing IDDM onset.
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Affiliation(s)
- M S Choi
- Department of Food Science and Nutrition, Kyungpook National University, Daegu, 702-701, Republic of Korea
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Jung UJ, Park S, Lee G, Shin HJ, Kwon MH. Analysis of spacer regions derived from intramolecular recombination between heterologous loxP sites. Biochem Biophys Res Commun 2007; 363:183-9. [PMID: 17826735 DOI: 10.1016/j.bbrc.2007.08.145] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2007] [Accepted: 08/23/2007] [Indexed: 10/22/2022]
Abstract
In Cre-loxP recombination system, Cre recombinase binds cooperatively to two 13bp inverted repeats in a 34bp loxP and catalyzes strand exchange in the 8bp spacer region. Up to date, spacer sequences within the recombined loxP sites derived from two loxP sties that have different 8bp spacer regions have never been analyzed. In the present study, we analyzed the spacer sequences within the recombined products, resulted from intramolecular recombination between heterologous loxP sites including M2, M3, M7, M11, and 2272 in vivo and in vitro. From the analyses, it was found that loxP sites with aberrant 8bp spacers can be generated from Cre-mediated recombination between heterologous loxP sites at significantly high frequency, proposing the possibility that recombination between heterologous loxP sites would have not undergone typical formula of Cre-loxP recombination.
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Affiliation(s)
- Ui-Jung Jung
- Department of Microbiology, Ajou University School of Medicine, Woncheon-dong 5, Suwon 442-749, Republic of Korea
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Abstract
Cardiovascular disease and atherosclerosis are a leading cause of morbidity and mortality worldwide. Epidemiological studies and randomized control intervention trials have reported that n-3 fatty acids reduce cardiovascular events. A variety of biologic and molecular effects of n-3 fatty acids can modulate the mechanisms of development and progression of atherosclerosis. These include n-3 fatty acid effects on inflammation, cardiac excitability, platelet function, triglyceride blood levels, blood pressure and the stability of atheroma plaques. The molecular mechanisms are still not fully defined; but might involve changes in membrane fluidity, receptor responses and binding to intracellular receptors regulating gene transcription. Understanding and elucidating these mechanisms is important to development of future strategies for prevention and treatment of cardiovascular disease.
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Affiliation(s)
- C Torrejon
- Department of Pediatrics and the Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, 630 W 168th Street, PH1512, New York, NY 10032, USA
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Jung UJ, Baek NI, Chung HG, Bang MH, Yoo JS, Jeong TS, Lee KT, Kang YJ, Lee MK, Kim HJ, Yeo JY, Choi MS. The anti-diabetic effects of ethanol extract from two variants of Artemisia princeps Pampanini in C57BL/KsJ-db/db mice. Food Chem Toxicol 2007; 45:2022-9. [PMID: 17574717 DOI: 10.1016/j.fct.2007.04.021] [Citation(s) in RCA: 57] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2006] [Revised: 03/05/2007] [Accepted: 04/26/2007] [Indexed: 10/23/2022]
Abstract
The anti-diabetic effects of two variants of Artemisia princeps Pampanini, sajabalssuk (SB) and sajuarissuk (SS), were investigated in type 2 diabetic animal using their ethanol extracts. Male C57BL/KsJ-db/db (db/db) mice were divided into control, SB ethanol extract (SBE), SS ethanol extract (SSE), or rosiglitazone (RG) groups and their age-matched littermates (db/+) were used. Supplementation of the SBE (0.171 g/100g diet), SSE (0.154 g/100g diet), and RG (0.005 g/100g diet) improved glucose and insulin tolerance and significantly lowered blood glycosylated hemoglobin levels, as compared to the control group. Plasma insulin, C-peptide and glucagon levels in db/db mice were higher in the db/+ mice, however these values were significantly lowered by SBE, SSE or RG-supplement. Hepatic GK activity was significantly lower in the db/db mice than in the db/+ mice, while hepatic G6Pase activity was vice versa. Supplementation of SBE, SSE and RG reversed these hepatic glucose-regulating enzyme activities. In addition, SBE and SSE markedly increased the hepatic glycogen content and muscle ratio as compared to the control group, but they did not alter the food intake, body weight and plasma leptin level. The RG group, however, showed a significant increase in the food intake, body weight and plasma leptin. These results suggest that SBE and SSE exert an anti-diabetic effect in type 2 diabetic mice.
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Affiliation(s)
- U J Jung
- Institute of Human Nutrition, College of Physicians and Surgeons, Columbia University, New York, NY 10032, United States
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Jung UJ, Kim HJ, Lee JS, Lee MK, Kim HO, Park EJ, Kim HK, Jeong TS, Choi MS. Naringin supplementation lowers plasma lipids and enhances erythrocyte antioxidant enzyme activities in hypercholesterolemic subjects. Clin Nutr 2003; 22:561-8. [PMID: 14613759 DOI: 10.1016/s0261-5614(03)00059-1] [Citation(s) in RCA: 155] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND AIMS Preliminary studies have shown that naringin has a potent lipid-lowering effect and antioxidant capacity in high-cholesterol diet fed animals. Accordingly, the present study was conducted to investigate the effect of naringin on hypercholesterolemic subjects. METHODS A hypercholesterolemic group (n=30) and healthy control group (n=30) were established based on the plasma cholesterol levels in the subjects, then all subjects received naringin (400mg/capsule/day) with regular meals for a period of 8 weeks. RESULTS In the hypercholesterolemic subjects, naringin supplementation was found to lower the plasma total cholesterol by 14% and low-density lipoprotein cholesterol concentrations by 17%, while the plasma triglyceride and high-density lipoprotein cholesterol concentrations remained unaffected. The apolipoprotein B levels in the hypercholesterolemic subjects were significantly lowered after naringin treatment, yet no change was observed in the apolipoprotein A-1 levels. The erythrocyte superoxide dismutase and catalase activities in the hypercholesterolemic group were significantly increased, whereas the glutathione peroxidase activity and plasma TBARS levels were not different from the baseline measurements. Meanwhile, naringin supplementation had no affect on plasma lipids, apolipoproteins, and TBARS levels or antioxidant enzyme activities in the control group. CONCLUSIONS Therefore, these data suggest that naringin may play an important role in lowering plasma cholesterol and regulating the antioxidant capacity in hypercholesterolemic subjects.
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Affiliation(s)
- U J Jung
- Department of Food Science and Nutrition, Kyungpook National University, Daegu, South Korea
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