Ji Young Kim

Bradley University, Peoria, Illinois, United States

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Publications (413)1099.13 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: The effects of relative humidity (RH) on the antioxidant properties of α-tocopherol (10, 20, 42, and 84ppm) were determined in stripped corn oil oxidised at 60°C. The degree of oxidation in oils was determined by analysing headspace oxygen content and conjugated dienoic acids (CDAs). Changes in moisture and α-tocopherol content were also monitored. The oxidative stability of stripped corn oil and stability of α-tocopherol differed significantly depending on the RH. As the concentration of α-tocopherol increased from 10 to 84ppm, oxidative stability decreased significantly irrespective of RH. The remaining α-tocopherol content decreased as RH increased, suggesting an important role for moisture content in the stability of α-tocopherol. Antioxidant properties of α-tocopherol were greatly influenced by both moisture content in oil and α-tocopherol concentration.
    Food chemistry. 01/2015; 167C:191-196.
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    ABSTRACT: Nodular fasciitis (NF) is a common benign soft tissue tumor. However, F-FDG PET/CT findings of NF are limited. Two cases of NF are described that mimic soft tissue metastasis on F-FDG PET/CT during surveillance. F-FDG PET/CT is well documented in the surveillance of malignancy and increasing worldwide. There are growing chances of encountering FDG-avid nonmalignant soft tissue lesion. Nodular fasciitis could be considered as possible diagnosis on F-FDG PET/CT if a solitary well- circumscribed ovoid hypermetabolic soft tissue lesion is located in a muscle, intermuscular space, or adjacent tendon, especially in patients with a clinically low probability of tumor recurrence or metastasis.
    Clinical nuclear medicine. 08/2014;
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    ABSTRACT: We report the successful melting and high-temperature liquid density measurements of grain-free single copper and silver crystals, using electrostatic levitation (ESL), for the first time. The melting of Cu and Ag using ESL has not been reported to date due to the unusual charge instability of these samples at high temperatures. We report here an improved levitation stability during heating when using single-crystal specimens. These results will aid the development and further study of industrially important Cu- and Ag-based materials, by indicating the key physical properties of their liquid phases.
    CrystEngComm 07/2014; 16(32). · 3.88 Impact Factor
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    ABSTRACT: The c-Jun NH(2)-terminal kinase (JNK) is a critical determinant of obesity-associated inflammation and glucose intolerance. The upstream mechanisms controlling this pathway are still unknown. Here we report that the levels of the PB1 domain-containing adaptor NBR1 correlated with the expression of proinflammatory molecules in adipose tissue from human patients with metabolic syndrome, suggesting that NBR1 plays a key role in adipose-tissue inflammation. We also show that NBR1 inactivation in the myeloid compartment impairs the function, M1 polarization, and chemotactic activity of macrophages; prevents inflammation of adipose tissue; and improves glucose tolerance in obese mice. Furthermore, we demonstrate that an interaction between the PB1 domains of NBR1 and the mitogen-activated kinase kinase 3 (MEKK3) enables the formation of a signaling complex required for the activation of JNK. Together, these discoveries identify an NBR1-MEKK3 complex as a key regulator of JNK signaling and adipose tissue inflammation in obesity.
    Cell metabolism. 07/2014;
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    ABSTRACT: Skeletal muscle degenerates progressively, losing mass (sarcopenia) over time, which leads to reduced physical ability and often results in secondary diseases such as diabetes and obesity. The regulation of gene expression by microRNAs is a key event in muscle development and disease. To understand genome-wide changes in microRNAs and mRNAs during muscle aging, we sequenced microRNAs and mRNAs from mouse gastrocnemius muscles at two different ages (6 and 24 months). Thirty-four microRNAs (15 up-regulated and 19 down-regulated) were differentially expressed with age, including the microRNAs miR-206 and -434, which were differentially expressed in aged muscle in previous studies. Interestingly, eight microRNAs in a microRNA cluster at the imprintedDlk1-Dio3 locus on chromosome 12 were coordinately down-regulated. In addition, sixteen novel microRNAs were identified. Integrative analysis of microRNA and mRNA expression revealed that microRNAs may contribute to muscle aging through the positive regulation of transcription, metabolic processes, and kinase activity. Many of the age-related microRNAs have been implicated in human muscular diseases. We suggest that genome-wide microRNA profiling will expand our knowledge of microRNA function in the muscle aging process.
    Aging 07/2014; · 4.70 Impact Factor
  • Xu Xu, Ji Young Kim, Yu Ri Oh, Jong Moon Park
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    ABSTRACT: As aquatic biomass which is called "the third generation biomass", Laminaria japonica (also known as Saccharina japonica) consists of mannitol and alginate which are the main polysaccharides of algal carbohydrates. In this study, oleaginous yeast (Cryptococcus curvatus) was used to produce lipid from carbon sources derived from Laminaria japonica. Volatile fatty acids (VFAs) were produced by fermentation of alginate extracted from L. japonica. Thereafter, mannitol was mixed with VFAs to culture the oleaginous yeast. The highest lipid content was 48.30%. The composition of the fatty acids was similar to vegetable oils. This is the first confirmation of the feasibility of using macroalgae as a carbon source for biodiesel production.
    Bioresource Technology 07/2014; 169C:455-461. · 5.04 Impact Factor
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    ABSTRACT: The tumor microenvironment plays a critical role in cancer progression, but the precise mechanisms by which stromal cells influence the epithelium are poorly understood. Here we show that p62 levels were reduced in the stroma of several tumors and that its loss in the tumor microenvironment or stromal fibroblasts resulted in increased tumorigenesis of epithelial prostate cancer cells. The mechanism involves the regulation of cellular redox through an mTORC1/c-Myc pathway of stromal glucose and amino acid metabolism, resulting in increased stromal IL-6 production, which is required for tumor promotion in the epithelial compartment. Thus, p62 is an anti-inflammatory tumor suppressor that acts through the modulation of metabolism in the tumor stroma.
    Cancer cell. 07/2014;
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    Yu Ri Jo, Ji Young Kim, Myung Jae Jeon
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    ABSTRACT: This study aimed to quantify the risk of significant gastrointestinal (GI) morbidity after sacrocolpopexy (SCP), and to identify related risk factors.
    Obstetrics & gynecology science. 07/2014; 57(4):304-309.
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    ABSTRACT: Eucommia ulmoides is one of the popular tonic herbs for the treatment of low back pain and bone fracture and is used in Korean medicine to reinforce muscles and bones. This study was performed to investigate the effects of E. ulmoides extract on longitudinal bone growth rate, growth plate height, and the expressions of bone morphogenetic protein 2 (BMP-2) and insulin-like growth factor 1 (IGF-1) in adolescent female rats. In two groups, we administered a twice-daily dosage of E. ulmoides extract (at 30 and 100 mg/kg, respectively) per os over 4 days, and in a control group, we administered vehicle only under the same conditions. Longitudinal bone growth rate in newly synthesized bone was observed using tetracycline labeling. Chondrocyte proliferation in the growth plate was observed using cresyl violet dye. In addition, we analyzed the expressions of BMP-2 and IGF-1 using immunohistochemistry. Eucommia ulmoides extract significantly increased longitudinal bone growth rate and growth plate height in adolescent female rats. In the immunohistochemical study, E. ulmoides markedly increased BMP-2 and IGF-1 expressions in the proliferative and hypertrophic zones. In conclusion, E. ulmoides increased longitudinal bone growth rate by promoting chondrogenesis in the growth plate and the levels of BMP-2 and IGF-1. Eucommia ulmoides could be helpful for increasing bone growth in children who have growth retardation. Copyright © 2014 John Wiley & Sons, Ltd.
    Phytotherapy Research 07/2014; · 2.07 Impact Factor
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    ABSTRACT: The aim of the present study was to identify the influence of vertebral fracture (VF) on the functional disability in patients with rheumatoid arthritis (RA). This study consecutively enrolled 100 female patients aged 50 yr or older with RA. All participants underwent lateral imaging of the thoracolumbar spine by simple radiography to identify any VFs. They also completed questionnaires via interview regarding demographics, medical history, and disease outcomes including functional disability. We used univariate analysis to evaluate associations between functional disability and VF, and made multivariate logistic regression models to test independent effect of the presence of VF, the number of VFs, and the severity of VF on functional disability. Among the 100 RA patients, 47 had at least one VF, but 34 of them were asymptomatic that they had experienced a fracture. The multiple VFs ≥ 3 (OR, 8.95; 95% CI, 1.77-44.15, P = 0.01) and moderate or severe VF (OR, 3.38; 95% CI, 1.26-9.04, P = 0.02) were related to disability in univariate analysis. The multiple VFs ≥ 3 (OR, 6.13; 95% CI, 1.02-36.94, P = 0.048) was associated with functional disability of RA patients after adjusting various confounders and it was mainly in walking and arising. The VF might be an important factor which affects functional disability in RA patients.
    Journal of Korean medical science. 06/2014; 29(6):859-63.
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    ABSTRACT: We investigated the role of somatic mutations and a common single nucleotide polymorphism (SNP) in the hTERT promoter region on hTERT expression and clinical outcomes. The hTERT promoter region was sequenced from 48 glioblastomas. hTERT expression was analyzed by quantitative real time-PCR. The association between hTERT promoter genetic changes and other genomic events and clinical variables common in gliomas were examined. C228T and C250T somatic mutations were found in 60.4% of glioblastomas, and a common SNP (T349C) was found in 66.6%. Somatic mutations and the SNP likely have opposing effects on hTERT expression. hTERT expression was significantly higher in the C228T or C250T mutated tumors. Tumors with the T349C genotype showed lower hTERT expression when C228T or C250T mutations were present. However, no significant survival differences were observed among the groups with or without hTERT promoter mutations and SNP. There was a significant association between genetic changes in the hTERT promoter and patient age as well as MGMT promoter methylation and EGFR amplification. hTERT expression is modulated by somatic mutations in the hTERT promoter as well as a common polymorphism. However, hTERT related genomic changes have limited value as an independent prognostic factor for clinical outcomes in glioblastomas.
    Oncotarget 05/2014; 5(10):3399-407. · 6.64 Impact Factor
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    ABSTRACT: The purpose of the current study was to investigate the association between cardiorespiratory fitness (CRF), measured by a simple step test, and the prevalence of metabolic syndrome among Korean adults, in a cross sectional design.
    BMC Public Health 05/2014; 14(1):481. · 2.08 Impact Factor
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    ABSTRACT: Women undergoing sacrocolpopexy (SCP) are at risk for postoperative stress urinary incontinence (SUI). However, the optimal management for this condition remains debatable. The aim of this study was to evaluate urinary outcomes 2 years after SCP with or without transobturator tape (TOT) based on the results of a prolapse-reduction stress test. A prospective, observational study was conducted assessing a cohort of women undergoing SCP. Patients were assigned to the TOT or non-TOT group based on results of a prolapse-reduction stress test. The primary outcome was SUI (defined as a positive cough stress test or bothersome symptoms) or additional surgery for this condition. Among the 247 women enrolled, 223 (90 %) received surgery per assignment and completed the follow-up. Two years after surgery, 5.4 % of women in the TOT group and 28.6 % in the non-TOT group had SUI or received additional anti-incontinence surgery (p < 0.01). In the non-TOT group, more women with symptoms of SUI prior to surgery had postoperative SUI or received additional anti-incontinence surgery than those without symptoms (42.9 % vs. 20.0 %, p = 0.01). A preoperative prolapse-reduction stress test alone is not sufficient to determine the need for anti-incontinence surgery at the time of SCP. In particular, women with symptoms of SUI despite a negative prolapse-reduction stress test are more likely to experience postoperative SUI or additional anti-incontinence surgery.
    International Urogynecology Journal 05/2014; · 2.17 Impact Factor
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    ABSTRACT: Temozolomide resistance is associated with multiple DNA repair pathways. We investigated homeobox (HOX) genes for their role in temozolomide resistance, focusing on the homologous recombination (HR) pathway, and we tested their therapeutic implications in conjunction with O(6)-methylguanine DNA methyltransferase (MGMT) status. Two glioblastoma cell lines with different MGMT statuses were used to test the augmented anticancer effect of temozolomide with HOXA10 inhibition. In vitro experiments, including gene expression studies with RNA interference, were performed to verify the related pathway dynamics. HOXA10 inhibition reinforced temozolomide sensitivity independent of MGMT status and was related to the impaired double-strand DNA breakage repair process resulting from the downregulation of Rad51 paralogs. Early growth response 1 (EGR1) and phosphatase and tensin homolog (PTEN) were the regulatory mediators between HOXA10 and the HR pathway. Moreover, HOXA10 inhibition selectively affected the nuclear function of PTEN without interfering with its cytoplasmic function of suppressing the phosphoinositide 3-kinase/Akt pathway. The mechanism of HR pathway regulation by HOXA10 harbors another target mechanism for overcoming temozolomide resistance in glioblastoma patients.
    Genes & cancer. 05/2014; 5(5-6):165-74.
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    ABSTRACT: Background Rifampin (RIF) is the most important first-line antituberculosis drug, and resistance to this drug may result in treatment failures. We evaluated the diagnostic performances of recently introduced, molecular assays for the detection of RIF resistance.MethodsA total of 100 isolates (50 RIF resistant and 50 RIF susceptible) were studied. Their RIF resistances were determined by conventional drug-susceptibility test. These results were compared with those of three molecular assays: Xpert MTB/RIF assay (MTB is Mycobacterium tuberculosis), Sacace MTB Real-TM resistance, and AdvanSure MDR-TB GenoBlot assay (MDR is multidrug resisitant).ResultsSensitivities for RIF resistance detection of Xpert MTB/RIF assay, Sacace MTB Real-TM resistance, and Advansure GenoBlot assay were 94.0%, 91.8%, and 84.0%, respectively. Their specificities for RIF resistance detection were all 100%.Conclusion Three molecular assays for the detection of RIF resistance have various performances. Xpert MTB/RIF assay shows the highest sensitivity among the three molecular assays and can be an effective choice in clinical laboratories.
    Journal of Clinical Laboratory Analysis 05/2014; · 1.36 Impact Factor
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    ABSTRACT: Abstract The complete mitochondrial genome of a jumping spider Telamonia vlijmi was sequenced and its total length is 14,601 bp, with A 35.5%, T 41.8%, C 8.7%, and G 14.0%. Among protein-coding genes, two genes (CO1 and Cytb) start with TTA, uncommon in invertebrate mitogenomes. The standard cloverleaf secondary structure was found in 10 tRNA genes and TV-replacement loop was not found in the other 12 tRNA genes.
    Mitochondrial DNA 04/2014; · 1.71 Impact Factor
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    ABSTRACT: This article briefly reviews malignant bone tumors, diffuse marrow infiltrating diseases, and other benign bone diseases with fluorodeoxyglucose (FDG) uptake on positron emission tomography/computed tomography (PET/CT) that should be differentiated from malignant tumors. Clinical use of FDG PET/CT in (1) primary malignant bone tumors including osteosarcoma, malignant fibrous histiocytoma, and primary bone lymphoma, (2) hematopoietic tumors with bone marrow involvement, such as plasmacytoma, multiple myeloma, lymphoma and leukemia, and (3) benign tumors and tumor-like lesions including hemangioma, neurogenic tumor, fibrous dysplasia, and nodular fasciitis are presented, with an emphasis on various imaging findings on FDG PET/CT. Benign tumors and tumor-like conditions are often incidentally detected on FDG PET/CT in serial follow-up studies of cancer patients and should be differentiated from metastasis.
    Seminars in Musculoskeletal Radiology 04/2014; 18(2):133-48. · 1.40 Impact Factor
  • Ji Young Kim, Mi-Ja Kim, Jaehwan Lee
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    ABSTRACT: The possibility of moisture, as an active substance for lipid oxidation, was determined in linoleic acid model systems containing deuterium oxide (D2O) and deuterium free H2O, by measuring the headspace oxygen content and headspace volatiles. Mixtures of D2O and H2O, at the ratio of 3:0, 2:1, 1:2, and 0:3 (w/w), were added to linoleic acid and oxidised at 60°C. The existence of deuterium in headspace volatiles, was indirectly determined by comparing the amount of fragmented mass to charge ratio (m/z), which was 73.1/72.1 for d1-pentane/pentane, 57.0/56.0 for d1-2-propenal/2-propenal, 101.1/100.1 for d1-hexanal/hexanal, 113.1/112.1 for d1-t-2-heptenal-D/t-2-heptenal, and 153.2/152.2 for d1-2,4-decadieanl/2,4-decadieanl. As the oxidation time increased to 12h, the ratio of 73.1/72.1 (m/z) for pentane and 57.0/56.0 for 2-propenal increased significantly with a concentration dependent manner of deuterium oxide, which implies water was incorporated as a substrate during volatile formation. However, hexanal, t-2-heptenal, and 2,4-decadieanl did not follow the patterns of pentane and 2-propenal, implying that the formation mechanisms of these volatiles may not share the same pathways with pentane and 2-propenal. This study showed that moisture participates for the formation of volatiles and moisture may act as a substrate for lipid oxidation.
    Food Chemistry 03/2014; 146:134-40. · 3.33 Impact Factor
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    ABSTRACT: The purpose of this study was to investigate the effect of mild hypocapnia on hypertension and arousal response after tracheal intubation in children during propofol anesthesia. Forty-four children, American Society of Anesthesiologists physical status I-II patients, aged 3-9 years were randomly allocated to either the normocapnia group [end-tidal carbon dioxide tension (ETCO2 = 35 mmHg, n = 22)] or the hypocapnia group (ETCO2 = 25 mmHg, n = 22). Anesthesia was induced with propofol 2.5 mg/kg. Five minutes after the administration of rocuronium 0.6 mg/kg, laryngoscopy was attempted. The mean arterial pressure (MAP), heart rate (HR), SpO2 and bispectral index (BIS) were measured during induction and intubation periods. The maximal change in the BIS with tracheal intubation (ΔBIS) was defined as the difference between the baseline value and the maximal value within the first 5 min after intubation. Before tracheal intubation, the change in BIS over time was not different between the groups. After tracheal intubation, the changes in the MAP, HR and BIS over time were not significantly different between the groups. The mean value ± SD of ΔBIS was 5.7 ± 5.2 and 7.4 ± 5.5 in the normocapnia and hypocapnia groups, respectively, without any intergroup difference. This study showed that mild hypocapnia did not attenuate hemodynamic and BIS responses to tracheal intubation in children during propofol anesthesia. Our results suggested that hyperventilation has no beneficial effect on hemodynamic and arousal responses to tracheal intubation in children.
    International Journal of Clinical Monitoring and Computing 02/2014;
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    ABSTRACT: We aimed to investigate the role of bone scintigraphy (BS) in the diagnosis of rheumatoid arthritis (RA) as a supplement to the 2010 American College of Rheumatology (ACR)/European League Against Rheumatism (EULAR) criteria. A total of 156 patients who underwent BS with screening laboratory to confirm RA were enrolled. We divided them into two groups according to the presence of arthritis upon the first physical examination, and evaluated the diagnostic validity of BS as an independent (BS only) or assistant diagnostic tool using the 2010 criteria (BS-assisted). Seventy-five patients had active arthritis (Group I), while the remaining 81 patients did not (Group II). Among them, 56 patients in group I and 5 patients in group II were finally classified as RA. In the group I patients who were eligible for application of the 2010 criteria, the sensitivity of the BS only and BS-assisted diagnosis was not superior to that of the 2010 criteria. However, BS-assisted diagnosis showed high positive prediction values in group I patients with 2010 criteria score < 6 and group II patients. Therefore, BS is still helpful to detect RA even after the introduction of the 2010 criteria, especially among patients who do not satisfy the 2010 criteria as well as those who are ineligible for the 2010 criteria due to dubitable arthritis at clinical presentation.
    Journal of Korean medical science 02/2014; 29(2):204-9. · 0.84 Impact Factor

Publication Stats

4k Citations
1,099.13 Total Impact Points


  • 2014
    • Bradley University
      Peoria, Illinois, United States
  • 2013–2014
    • Konkuk University Medical Center
      • • Department of Laboratory Medicine
      • • Department of Dermatology
      Changnyeong, South Gyeongsang, South Korea
    • Sanford-Burnham Medical Research Institute
      La Jolla, California, United States
    • Catholic University of Daegu
      Kayō, North Gyeongsang, South Korea
    • Inje University Paik Hospital
      Sŏul, Seoul, South Korea
    • Kangwon National University Hospital
      Shunsen, Gangwon, South Korea
  • 2012–2014
    • Pohang University of Science and Technology
      • Department of Chemical Engineering
      Geijitsu, North Gyeongsang, South Korea
    • Hanyang University Medical Center
      Sŏul, Seoul, South Korea
    • Korea Research Institute of Bioscience and Biotechnology KRIBB
      Anzan, Gyeonggi Province, South Korea
    • Woosong University
      Onyang, South Chungcheong, South Korea
    • Dong-A University
      • College of Medicine
      Pusan, Busan, South Korea
    • Ewha Womans University
      • College of Pharmacy
      Sŏul, Seoul, South Korea
  • 2011–2014
    • Chungbuk National University
      Chinsen, North Chungcheong, South Korea
    • Gyeongsang National University
      • Institute of Agriculture and Life Science
      Chinju, South Gyeongsang, South Korea
    • National Institute of Biological Resources
      Bucheon, Gyeonggi Province, South Korea
    • Korea Food Research Institute
      Sŏngnam, Gyeonggi Province, South Korea
    • National Institute of Child Health and Human Development
      Maryland, United States
    • Purdue University
      • Department of Industrial and Physical Pharmacy (IPPH)
      West Lafayette, IN, United States
  • 2009–2014
    • Seoul National University Hospital
      • • Department of Neurosurgery
      • • Department of Internal Medicine
      Sŏul, Seoul, South Korea
    • Kyung Hee University
      • • College of Oriental Medicine
      • • Department of Medicine
      Sŏul, Seoul, South Korea
    • Kyungsung University
      Tsau-liang-hai, Busan, South Korea
    • Korea Institute of Construction Technology
      Kōyō, Gyeonggi Province, South Korea
    • Chungnam National University
      • College of Pharmacy
      Seongnam, Gyeonggi, South Korea
    • Eunice Kennedy Shriver National Institute of Child Health and Human Development
      Maryland, United States
  • 2006–2014
    • Seoul National University
      • • Department of Mathematical Sciences
      • • Department of Environmental Health
      • • Research Institute of Pharmaceutical Sciences
      Sŏul, Seoul, South Korea
    • Jeju National University
      Tse-tsiu, Jeju, South Korea
    • Chung-Ang University Hospital
      Sŏul, Seoul, South Korea
  • 2005–2014
    • Sungkyunkwan University
      • • Department of Food Science and Biotechnology
      • • Department of Pharmacology and Samsung Biomedical Research Institute
      • • Graduate School of Clinical Nursing
      Sŏul, Seoul, South Korea
    • Chinju National University of Education
      Shinshū, South Gyeongsang, South Korea
  • 2002–2014
    • Pusan National University
      • • Department of Cogno-Mechatronics Engineering
      • • School of Dentistry
      • • College of Pharmacy
      • • Department of Polymer Science and Engineering
      Tsau-liang-hai, Busan, South Korea
  • 2011–2013
    • Kangwon National University
      • Department of Forest Environment Protection
      Kang-neung, Gangwon, South Korea
  • 2003–2013
    • Yeungnam University
      • • Department of Rehabillitation Medicine
      • • College of Pharmacy
      Onyang, South Chungcheong, South Korea
    • Wonkwang University
      • College of Pharmacy
      Iksan, North Jeolla, South Korea
    • Sejong University
      • Faculty of Molecular Biology
      Seoul, Seoul, South Korea
  • 2002–2013
    • Yonsei University Hospital
      • Department of Internal Medicine
      Sŏul, Seoul, South Korea
  • 2008–2012
    • Korea Advanced Institute of Science and Technology
      • • Department of Chemistry
      • • Department of Computer Science
      Seoul, Seoul, South Korea
    • Syracuse University
      Syracuse, New York, United States
  • 2007–2012
    • University of Toledo
      • • Center for Diabetes and Endocrine Research
      • • Department of Biochemistry and Cancer Biology
      Toledo, OH, United States
    • Chonnam National University
      • • School of Biological Sciences and Technology
      • • College of Pharmacy
      Yeoju, Gyeonggi, South Korea
    • University of Ulsan
      • School of Chemical Engineering and Bioengineering
      Ulsan, Ulsan, South Korea
  • 1996–2012
    • Yonsei University
      • • Department of Food and Nutrition
      • • Department of Chemistry
      Seoul, Seoul, South Korea
  • 2010–2011
    • University of Rochester
      • Aab Cardiovascular Research Institute
      Rochester, NY, United States
    • Ulsan University Hospital
      Urusan, Ulsan, South Korea
    • University of Cincinnati
      • Department of Cancer and Cell Biology
      Cincinnati, OH, United States
    • International Potato Center
      Λίμα, Provincia de Lima, Peru
  • 2009–2011
    • University of Florida
      • College of Journalism and Communications
      Gainesville, FL, United States
  • 2008–2011
    • Gachon University
      • Department of Anesthesiology
      Seongnam, Gyeonggi, South Korea
  • 2006–2011
    • Korea Research Institute of Chemical Technology
      • Division of Advanced Material
      Daiden, Daejeon, South Korea
  • 2003–2011
    • Kumoh National Institute of Technology
      Sŏul, Seoul, South Korea
  • 1999–2011
    • Kyungpook National University
      • • School of Dentistry
      • • College of Natural Sciences
      Sangju, North Gyeongsang, South Korea
  • 2009–2010
    • CHA University
      • • Department of Obstetrics and Gynecology
      • • Department of Pathology
      Seoul, Seoul, South Korea
  • 2000–2010
    • University of Seoul
      • Department of Chemical Engineering
      Sŏul, Seoul, South Korea
  • 2008–2009
    • Hanyang University
      • College of Medicine
      Sŏul, Seoul, South Korea
  • 2006–2009
    • National Institutes of Health
      • • Laboratory of Cellular Oncology
      • • Laboratory of Molecular Immunoregulation
      Bethesda, MD, United States
  • 2001–2009
    • Chosun University
      • • Department of Pharmacy
      • • Department of Medicine
      Goyang, Gyeonggi, South Korea
    • Cheongju University
      Sŏul, Seoul, South Korea
    • Sogang University
      • Department of Chemistry
      Sŏul, Seoul, South Korea
  • 2003–2008
    • Pukyong National University
      • Faculty of Food Science and Biotechnology
      Pusan, Busan, South Korea
  • 2005–2007
    • Medical University of Ohio at Toledo
      • Department of Biochemistry and Cancer Biology
      Toledo, Ohio, United States
  • 2001–2003
    • Korea University
      • Department of Chemistry
      Sŏul, Seoul, South Korea