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Identification of Biomarkers for Breast Cancer Using Databases
Eunhye Lee,,Aree Moon 대한암예방학회 2016 Journal of cancer prevention Vol.21 No.4
Breast cancer is one of the major causes of cancer death in women. Many studies have sought to identify specific molecules involved in breast cancer and understand their characteristics. Many biomarkers which are easily measurable, dependable, and inexpensive, with a high sensitivity and specificity have been identified. The rapidly increasing technology development and availability of epigenetic informations play critical roles in cancer. The accumulated data have been collected, stored, and analyzed in various types of databases. It is important to acknowledge useful and available data and retrieve them from databases. Nowadays, many researches utilize the databases, including The Cancer Genome Atlas (TCGA), Gene Expression Omnibus (GEO), Surveillance, Epidemiology and End Results (SEER), and Embase, to find useful informations on biomarkers for breast cancer. This review summarizes the current databases which have been utilized for identification of biomarkers for breast cancer. The information provided by this review would be beneficial to seeking appropriate strategies for diagnosis and treatment of breast cancer.
Eunhye Kim,문준관,Hoon Choi,Su-Myoung Hong,Dong-Hyuk Lee,Hyomin Lee,김정한 한국응용생명화학회 2012 Applied Biological Chemistry (Appl Biol Chem) Vol.55 No.1
Exposure and risk assessments were conducted to evaluate safety of speed spayer (SS) and power sprayer (PS) used for treatment of insecticide methomyl in apple orchard on the operator. Dermal patches, gloves, socks, and masks were used to monitor the potential dermal exposure, and personal air monitor with XAD-2 resins was used to evaluate the potential inhalation exposure. Validation of methods for limit of detection, limit of quantitation, recovery, reproducibility, linearity of calibration, trapping efficiency, and breakthrough tests were performed to obtain reasonable results for quantitative exposure study of methomyl. During application of methomyl, PS resulted in more dermal exposure than SS. Important contaminated parts of body were upper arms, thigh, chest, shin, hand, forearm, and head for both SS and PS. Exposure rate was 44–176 mL/h. Although the level of inhalation exposure was very low during application, relatively higher level was observed for PS than for SS. During mixing/loading, more dermal exposure occurred by SS than that of PS probably due to drift of wettable powder (WP) formulation. Exposure was mostly observed on hand, and 99.9% of hand exposure to soluble liquid formulation (215 mg) in PS was from spill of liquid formulation on gloves. However, the body exposure ratio to total mixing/loading amount and inhalation exposure during mixing/loading was very low. Margin of safety in risk assessment was much larger than 1 in all cases, indicating low risk.
Lee, Keunsoo,Lee, Jonghee,Kim, Eunhye,Lee, Jeong-Ik,Cho, Doo-Hee,Lim, Jong Tae,Joo, Chul Woong,Kim, Joo Yeon,Yoo, Seunghyup,Ju, Byeong-Kwon,Moon, Jaehyun IOP 2016 Nanotechnology Vol.27 No.7
<P>An optical functional film applicable to various lighting devices is demonstrated in this study. The phase separation of two immiscible polymers in a common solvent was used to fabricate the film. In this paper, a self-organized lens-like structure is realized in this manner with optical OLED functional film. For an OLED, there are a few optical drawbacks, including light confinement or viewing angle distortion. By applying the optical film to an OLED, the angular spectra distortion resulting from the designed organic stack which produced the highest efficiency was successfully stabilized, simultaneously enhancing the efficiency of the OLED. We prove the effect of the film on the efficiency of OLEDs through an optical simulation. With the capability to overcome the main drawbacks of OLEDs, we contend that the proposed film can be applied to various lighting devices.</P>
Lee, Seongjin,Cha, Eunhye,Lee, Jongcheol,Lee, Jongdeok,Song, Inja,Kim, Sungchul KOREAN PHARMACOPUNCTURE INSTITUTE 2017 Journal of pharmacopuncture Vol.20 No.1
Objectives: Studies involving patients with spinobulbar muscular atrophy (SBMA), which is often referred to as Kennedy's disease, similar to those involving patients with progressive muscular disease (PMD), are rare. This paper reports a case study involving the use of Korean medicine to treat a patient with SBMA. Methods: We treated a patient with SBMA with unique symptoms by using various kinds of pharmacopuncture and herbal medicines for about two and a half years. After the treatment had ended, we evaluated the patient's conditions and the side effects of the treatment. Results: After treatment, the patient's symptoms were stabilized, and the patient suffered no abnormalities or side effects. No special changes in condition were noted during treatment period, and the patient was very satisfied with his response to treatment. Conclusion: Existing treatments have some considerable after effects and are difficult to apply in domestic clinics. In this regard, our findings should open possibilities for new clinical guidelines. Nevertheless, the limitations associated with this case study should be resolved, and more studies need to be conducted.
Eunhye Lee,Inkyeoung Kim 대한말초신경학회 2016 The Nerve Vol.2 No.2
Acute visual loss resulting from an uncomplicated cranioplasty is rare. A 52-year-old man presented with computed tomography (CT)-proven acute subdural hematoma in the right frontotemporoparietal area. The patients got a standard craniotomy in supine position. But on postoperative day 24, he was diagnosed postoperative epidural and subdural empyema. The patient underwent infected bone flap removal and evacuation of epidural and subdural empyema. Four months later, he got right frontotemporoparietal cranioplasty with artificial bone (Medpor) after controlling of infection. But on postoperative day 15, he complained of inability to see with his right eye. Brain and orbital CT, magnetic resonance imaging scan performed postoperatively did not show any new intracranial or intraorbital pathology. There were not any adverse events such as excessive pressure placed on the eyeball or bulky retraction of frontal skin flap. Visual evoked potential revealed prechiasmatic lesion. Fundoscopy showed slightly pallor optic disc of right side. The patient’s vision in the right eye remained no light perception permanently. The reason and pathophysiology of the mechanism of this complication should be discussed through reporting more cases.
Lee, Siyoung,Choi, Dong-Ki,Kwak, Areum,Kim, Sinae,Nguyen, Tam Thanh,Gil, Gaae,Kim, Eunhye,Yoo, Kwang Ha,Kim, In Ae,Lee, Youngmin,Jhun, Hyunjhung,Chan, Edward D.,Bai, Xiyuan,Kim, Hyunwoo,Kim, Yong-Sung 한국조명·전기설비학회 2017 한국조명·전기설비학회 학술대회논문집 Vol. No.
<P>The induction of interleukin (IL)-32 in bone marrow (BM) inflammation is crucial in graft versus host disease (GvHD) that is a common side effect of allogeneic BM transplantation. Clinical trials on α-1 antitrypsin (AAT) in patients with GvHD are based on the preliminary human and mouse studies on AAT reducing the severity of GvHD. Proteinase 3 (PR3) is an IL-32-binding protein that was isolated from human urine. IL-32 primarily induces inflammatory cytokines in myeloid cells, probably due to PR3 expression on the membrane of the myeloid lineage cells. The inhibitory activity of AAT on serine proteinases may explain the anti-inflammatory effect of AAT on GvHD. However, the anti-inflammatory activity of AAT on BM cells remains unclear. Mouse BM cells were treated with IL-32γ and different inflammatory stimuli to investigate the anti-inflammatory activity of AAT. Recombinant AAT-Fc fusion protein inhibited IL-32γ-induced IL-6 expression in BM cells, but failed to suppress that induced by other stimuli. In addition, the binding of IL-32γ to PR3 was abrogated by AAT-Fc. The data suggest that the specific anti-inflammatory effect of AAT in mouse BM cells is due to the blocking of IL-32 binding to membrane PR3.</P>
Lee, Hyeri,Riu, Myoungjoo,Kim, Eunhye,Moon, Joon-Kwan,Choi, Hoon,Do, Jung-A,Oh, Jae-Ho,Kwon, Ki-Sung,Lee, Young Deuk,Kim, Jeong-Han 한국응용생명화학회 2013 Applied Biological Chemistry (Appl Biol Chem) Vol.56 No.2
A single residue analytical method was developed for herbicide chlorpropham in various crops. Brown rice, apple, mandarin, Kimchi cabbage, green pepper, potato, and soybean were selected as representative crops, and clean-up system, partition solvent, and extraction solvent were optimized. For high performance liquid chromatography (HPLC), $C_{18}$ column was used with elution solvents of water and acetonitrile. Limit of quantitation (LOQ) of chlorpropham was 2 ng (S/N >20), and excellent linearity ($R^2$=1.000) was achieved. Method limit of quantitation (MLOQ) was 0.02 mg/kg. For recovery tests, crop samples were macerated and fortified with chlorpropham standard solution at three fortification levels (MLOQ, 10 MLOQ, and 100 MLOQ). And then those were extracted with acetonitrile, concentrated and partitioned with n-hexane. The n-hexane layer was then concentrated, cleaned-up through Florisil$^{(R)}$ column with ethyl acetate:n-hexane (5:95, v/v) prior to concentration and analysis with HPLC. Good recoveries from 76.8 to 107.9% with coefficients of variation of less than 10% were obtained, regardless of sample type, which satisfies the criteria of Korea Food and Drug Administration. Those results were confirmed with liquid chromatography-mass spectrometry (LC-MS). The method established in this study could be applied to most of crops as an official and general method for the analysis of chlorpropham residue.