http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
β-Sitosterol이 HCT116 대장암세포의 콜로니형성 및 부착성에 미치는 효과
송보람(Bo ram Song),주지형(Ji hyeung Ju) 충북대학교 생활과학연구소 2016 생활과학연구논총 Vol.20 No.1
β-Sitosterol is the most abundant phytosterol present ubiquitously in plants. The aim of the current study was to investigate the inhibitory effects of β-sitosterol on colony formation and adhesion in HCT116 human colon cancer cells. β-Sitosterol significantly inhibited cell growth (to 50-89% of the control by the concentrations of 25-100 μM; p<0.01) and effectively changed nuclear morphology (by the concentration of 50 μM) in HCT116 cells. These results confirm previous findings on the growth-inhibitory and apoptosis-inducing activities of β-sitosterol in different cancer cell lines. Treatment with β-sitosterol resulted in significant inhibition of both colony formation (to 29% of the control by the concentration of 50 μM) and adhesion (to 44-54% of the control by the concentration of 25-100 μM) in HCT116 cells. These results suggest that β -sitosterol might modulate the self-renewal capacity of colon cancer stem cells as well as invasion and metastasis during colon carcinogenesis. More in-depth studies are needed in order to verify such actions and to elucidate underlying mechanisms.
들깨의 볶음처리가 헥산 추출유의 항산화 성분함량 및 활성에 미치는 영향
송보람(Bo ram Song),주지형(Ji hyeung Ju) 충북대학교 생활과학연구소 2015 생활과학연구논총 Vol.19 No.2
The aim of the current study was to investigate the effect of roasting on antioxidant contents and activities of perilla seed oil extracted by n-hexane. The total polyphenol level of roasted perilla seed extract (RP; 27.1 mg gallic acid equivalent/100 g) was similar to that of unroasted perilla seed extract (UP; 29.4 mg gallic acid equivalent/100 g). The total flavonoid level of RP (42.2 mg quercetin equivalent/100 g) was higher than that of unroasted perilla seed extract (UP; 31.1 mg quercetin equivalent/100 g; p<0.05). The radical scavenging activity and ferric reducing antioxidant power of RP at the concentration of 350 μg/mL was 30.9%, and 13.1%, respectively, which were higher than the corresponding levels of UP (27.6% and 7.4%, respectively; p<0.05). These results indicate that roasting is effective in increasing the total flavonoid content and antioxidant activities of perilla seed oil extracted by n-hexane.
UV조사에 의해 유발된 SKH-1 hairless 마우스의 피부노화에 미치는 한천마스크의 개선효과
송보람(Bo Ram Song),김지은(Ji Eun Kim),윤우빈(Woo Bin Yun),이미림(Mi Rim Lee),최준영(Jun Young Choi),박진주(Jin Ju Park),김동섭(Dong Seob Kim),이충열(Chung Yeoul Lee),이희섭(Hee Seob Lee),임용(Yong Lim),정민욱(Min Wook Jung),김배환(Bae 한국생명과학회 2017 생명과학회지 Vol.27 No.9
UV 조사에 의해 유도된 광노화(photoaging)에 대한 한천젤마스크(agar gel mask, AGM)의 효과를 평가하기 위해, SKH-1 hairless 마우스의 피부에 4주간의 UV조사와 AGM 및 에센스처리 한천젤마스크(agar gel mask dipped in essence, AGMdE)를 동시에 처리한 후 피부주름, 피부표현형, 피부조직구조, 항산화조건 및 독성 등을 분석하였다. AGM과 AGMdE의 부착은 주름형성의 억제, 홍반지수의 감소, 피부수분의 증진뿐만 아니라 경피 수분 손실(TEWL)을 방지하였다. 또한, 표피두께는 UV+Vehicle 처리군과 비교했을 때, UV+AGM 및 UV+AGMdE 처리군에서 UV를 조사하지 않은 그룹과 유사한 수준으로 회복되었다. MMP-1과 tyrosinase의 발현수준은 UV+Vehicle 처리군에서 가장 높게 증가하였으나 UV+AGM 및 UV+AGMdE 처리군에서 유의적으로 감소하였다. 더불어, SOD 활성은 UV+Vehicle 처리군에 비하여 UV+AGM 및 UV+AGMdE 처리군에서 유의적으로 감소되었지만, 대부분의 독성화합물 처리에 의해 유도되는 혈청생화학적 지표와 조직학적 특성의 변화는 UV+AGM 및 UV+AGMdE 처리군에서 관찰되지 않았다. 따라서, 이러한 결과들은 AGM이 피부형태, 조직학적 구조, 산화적 상태를 조절함으로써 피부노화를 예방하는 마스크팩으로 활용될 수 있는 가능성을 있음을 제시한다. To investigate the beneficial effects of an agar gel mask (AGM) on UV-induced photoaging, SKH-1 hairless mice were treated with a topical application of AGM and an AGM dipped in essence (AGMdE). The mice were divided into an no radiation group, UV + AGM, UV + AGMdE, and UV + vehicle (PBS) treatment groups. Alterations in skin wrinkles, skin phenotype, histological structures, oxidative status, and toxicity were then evaluated during 4 weeks of exposure. The topical application of AGM and AGMdE inhibited wrinkle formation, suppressed the erythema index, prevented transepidermal water loss, and enhanced skin hydration. In addition, epidermal thickness recovered to a similar level as that in the no irradiation group in the UV + AGM and UV + AGMdE treatment groups compared with the UV + vehicle (distilled water) group. Furthermore, the expression levels of matrix metalloproteinase-1 (MMP-1) and tyrosinase were reduced in the UV + AGM and UV + AGMdE treatment groups, although the highest level varied. Moreover, superoxide dismutase (SOD) activity was significantly lower in the UV + AGM and UV + AGMdE treatment groups as compared with the UV + vehicle group. No significant alterations induced by most toxic compounds were measured in serum biochemical markers and liver and kidney histological features of the UV + AGM and UV + AGMdE treatment groups. These results suggest that AGM may protect against skin aging by regulating skin morphology, histopathological structures, and oxidative conditions.
송보람(Song, Bo-Ram),권오정(Kwon, Oh-Jung),김동숙(Kim, Dong-Sook) 한국주거학회 2018 한국주거학회 학술대회논문집 Vol.30 No.2
본 연구에서는 가좌지구 행복주택을 대상으로 청년 거주자들의 거주 후 만족도를 조사·분석하였다. 조사 시기는 2018년 7월 18일부터 8월 11일까지 총 25일간 진행되었으며, 본 연구에서 사용된 조사도구(설문지)는 주호 내 시설 및 시스템, 거주환경(교통, 편의시설, 녹지 등), 임대료에 대한 만족도를 평가할 수 있는 항목으로 구성되었다. 평가항목의 분석은 SPSS통계 프로그램을 이용하여 백분율, 분산분석 등을 활용하였다. 조사 결과는 다음과 같다. 첫째, 입주자격별 주호 내 시설 및 시스템 만족도는 평균 3.74(5점 척도)이며, 각 항목 중 실내바닥색상(4.2)이 가장 높고, 냉장고 용량 및 크기와 외부소음에 대한 만족도(2.91)가 가장 낮았다. 둘째, 입주자격별 거주환경 만족도는 평균 3.66이며, 편의시설·대중교통·녹지공간에 대한 만족도(4.05)가 가장 높고, 이웃교류 및 사생활 만족도(3.10)가 가장 낮았다. 셋째, 입주자격별 임대료 만족도는 평균 3.78이며, 세부 항목 중 임대료의 만족도(4.29)가 가장 높고, 관리비에 대한 만족도(3.17)가 가장 낮게 나타났다.
양송이 ( Song Yi Yang ),오정민 ( Jeong Min Oh ),송다혜 ( Da Hye Song ),송보람 ( Bo Ram Song ),강명진 ( Myung Jin Kang ),이명선 ( Myung Sun Lee ),손가연 ( Ga Yeon Son ),오상환 ( Sang Hwan Oh ) 한국치위생학회 2014 한국치위생학회지 Vol.14 No.4
Objectives : Latex gloves hygiene is the most effective method to prevent infection of microorganisms and to reduce the incidence of cross infections. The aim of this study was to compare the bacteria reduction ratio of cleansing with water, liquid soap and alcohol gauze. Methods : The left side glove was the control group and the right side was the experimental group. The experimental group washed hand with water, soap, and alcohol gauze. The hand plate was inoculated by the hand and inoculated for 24 hours in 35℃. Results : Washing with water showed that CFU of control group was 1116.9 and that of experimental group was 302.8. Hand washing by water reduced 74.3% of bacteria. Liquid soap revealed that CFU of control group was 619.9 and that of experimental group was 8.3. Hand washing by liquid soap reduced 97.5% of bacteria. Alcohol gauze included 875.2 CFU in control group and 5.8 CFU in experimental group. Washing by alcohol gauze reduced 99.5% of bacteria. Conclusions : Based on the results, the most effective latex gloves cleansing method was recommended as the standardized hand washing with the liquid hand soap and alcohol gauze. The results can be used to improve training strategies for enhancing glove hygiene practice in dental clinic.
디지털 병리 대장암 진단을 위한 삼중항 손실을 이용한 심층 메트릭 학습
이재웅(Jae Ung Lee),김경은(Kyung Eun Kim),송보람(Bo Ram Song),이주천(Ju Cheon Lee),Vuong Thi Le Trinh,Wang Jiamu,Syed Farhan Abbas,곽진태(Jin Tae Kwak) 대한전자공학회 2022 대한전자공학회 학술대회 Vol.2022 No.11
In this paper, we propose a deep metric learning classification model for colon cancer grading which aims to learn feature vector similarity by distance comparisons. The proposed method is evaluated on >9,800 colorectal image patches. The experimental results show that the method achieves 87.85% accuracy and 0.8425 F1-score, suggesting that the proposed learning method can improve histopathological analysis of cancer grade classification in pathological images.
방사선 가교된 유착방지용 Carboxymethyl Cellulose/Porcine Cartilage Acellular Matrix 수화젤 필름의 물리적 특성 및 부착 방지 평가
정성린 ( Sung In Jeong ),박종석 ( Jong-seok Park ),권희정 ( Hui-jeong Gwon ),안성준 ( Sung-jun An ),송보람 ( Bo Ram Song ),김영직 ( Young Jick Kim ),민병현 ( Byoung Hyun Min ),김문석 ( Moon Suk Kim ),임윤묵 ( Youn-mook Lim ) 한국화학공학회 2017 Korean Chemical Engineering Research(HWAHAK KONGHA Vol.55 No.1
In this study, intermolecular crosslinked carboxymethyl cellulose sodium salt (CMC) and porcine Cartilage Acellular Matrix (PCAM) blended hydrogel films for anti-adhesive barriers were prepared by gamma-ray radiation. The effects of the CMC/PCAM concentration and blending ratio on the morphology, gel fraction, gel strength, and degree of swelling were determined. The results indicated that crosslinked CMC/PCAM films show significantly lower the gel-fraction than CMC films. The degree of attachment and proliferation of human vascular endothelial cells on CMC/PCAM films was lower than the CMC films. We show the capacity of the CMC and PCAM to be hydrogel films, and the ability to reduce cell adhesion and proliferation on these films by modification with cell anti-adhesion molecules of PCAM. In conclusion, this study suggests that radiation cross-linked CMC/PCAM hydrogel films endowed with anti-adhesion ligands may allow for improved regulation of cell anti-adhesion behavior for prevent peritoneal adhesions.