• Title/Summary/Keyword: EAC

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Antitumor and antioxidant status of Galega purpurea root in Ehrlich ascites carcinoma bearing Swiss albino mice

  • Gupta, M;Mazumder, UK;Gomathi, P
    • Advances in Traditional Medicine
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    • v.7 no.4
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    • pp.426-435
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    • 2007
  • The present study was designed to determine the antitumor and antioxidant properties of methanol extract from the root of Galega purpurea (Papilionaceae) (MEGP) against Ehrlich Ascites Carcinoma (EAC) bearing Swiss albino mice. Acute and short-term toxicity studies were performed initially in order to ascertain the safety of MEGP. The effect of MEGP on the growth of transplantable murine tumor, life span of EAC bearing hosts and simultaneous alterations in the hematological profile and liver biochemical parameters (lipid peroxidation, antioxidant enzymes) were estimated. The MEGP showed decrease in tumor volume, packed cell volume and viable cell count and increases the nonviable cell count and mean survival time thereby increasing life span of EAC tumor bearing mice. Hematological profile reverted to more or less normal levels in extract treated mice. Treatment with MEGP decreased the levels of lipid peroxidation and increased the levels of glutathione, superoxide dismutase and catalase. The results suggested that the methanol extract of Galega purpurea root exhibited antitumor effect by modulating lipid peroxidation and augmenting antioxidant defense system in EAC bearing mice.

The Anti-inflammatory and Analgesic Activities of Artemisia capillaris Thunberg (인진 추출물의 소염진통작용)

  • Kim, Si-Na;Kim, Hee-Seok;Nam, Gyeong-Sug;Hwang, Sung-Wan;Hwang, Sung-Yeoun
    • Korean Journal of Pharmacognosy
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    • v.36 no.4 s.143
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    • pp.338-343
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    • 2005
  • Inflammatory mediators such as interleukin-1 (IL-1), tumor necrosis $factor-{\alpha}\;(TNF-{\alpha}),\;interferon-{\gamma}\;(IFN-{\gamma})$ and lipopolysaccharide (LPS) are thought to play major roles in joint diseases such as a rheumatoid arthritis (RA), and there is considerable evidence playing a role for these cytokines in osteoarthritis (OA). Therefore, we have studied the effects on anti-inflammation and analgesic by ethyl acetate fraction from 70% ethanol extract of Artemisia capillaries (EAC). As a positive control, apigenin, which is known as an anti-inflammatory agent as an iNOS inhibitor, was used and showed the dose-dependent inhibitory effect. EAC showed strong inhibitory efficacy against cytokine-induced proteoglycan degradation, $PGE_2$ production, nitric oxide (NO) production, and matrix-matalloproteinases (MMPs) expression in rabbit articular chondrocyte. In the writhing test induced by acetic acid, EAC $(200{\sim}400\;mg/kg)$ exhibited a dose-dependent inhibition of writhing. The results indicate that EAC have anti-inflammatory and analgesic activities, and could be a good herbal medicine candidate for curing of RA and/or OA.

Effect of Citrus macroptera Fruit Pulp Juice on Alteration of Caspase Pathway Rendering Anti-Proliferative Activity against Ehrlich's Ascites Carcinoma in Mice

  • Hasan, Md. Mahmudul;Islam, Md. Shihabul;Hoque, Kazi Md. Faisal;Haque, Ariful;Reza, Md Abu
    • Toxicological Research
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    • v.35 no.3
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    • pp.271-277
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    • 2019
  • Citrus macroptera (Rutaceae) has long been used in folk medicine in Bangladesh. Considering the folkloric context, this study was aimed to scrutinize anti-proliferative activity of C. macroptera fruit pulp juice (CMFPJ) against Ehrlich's ascites carcinoma (EAC). The anti-proliferative capacity of CMFPJ was investigated and confirmed primarily using MTT assay. In vivo anti-proliferative aptitude of CMFPJ was investigated with 25, 50, and 100 mg/kg/day intraperitoneal (i.p.) treatment. Anti-proliferative efficacy of CMFPJ was assessed based on EAC growth inhibition. CMFPJ inhibited EAC growth in vitro in a dose-dependent manner. And the percentages of in vivo EAC growth inhibition were 19.53, 49.2, and 68.9% at 25, 50, and 100 mg/kg CMFPJ respectively. CMFPJ significantly induced expression of apoptosis regulatory genes caspase-8, caspase-9, cytochrome-c, and caspase-3. This considerable anti-cancer activity was perhaps due to combinatorial effect of lectin, polyphenols, and flavonoids present in CMFPJ.

A Case of Epidermal Cyst Occurred in the Bony External Auditory Canal Misdiagnosed as External Auditory Canal Carcinoma (외이도 암으로 오인된 외이도 골부에 발생한 표피 낭종 1예)

  • Lim, Sung Hwan;Koo, Beom Mo;Park, Po Na;Cho, Hyun Sang
    • Korean Journal of Otorhinolaryngology-Head and Neck Surgery
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    • v.61 no.12
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    • pp.714-717
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    • 2018
  • Epidermal cysts are generally benign tumors that usually originate from the skin caused by inflammation of hair cortex and proliferation of epidermal cells within the dermis; however, for these cysts to occur in the bony external auditory canal (EAC) is rare. They are often present as a solitary, painless lesion and usually asymptomatic and the diagnosis depends on the results of the histological examination. In treatment, the cyst wall must be completely removed surgically. We recently encountered a 82-year-old male with a mass in the right EAC. An otoscopic examination showed a polypoid mass on the bony EAC, which was finally diagnosed as epidermal cyst after an initial misdiagnosis as EAC carcinoma. We report the rare, unique case with literature review.

The Analysis of the 2014 Accreditation Review Findings by the EAC : Focused on the Causes for Deficiencies (2014년 인증평가 결과 분석: EAC 프로그램의 결함 판정 사유를 중심으로)

  • Kang, Sang Hee;Song, Dong Joo
    • Journal of Engineering Education Research
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    • v.18 no.5
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    • pp.32-41
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    • 2015
  • This paper deals with analyzing accreditation findings and the causes for the deficiencies in the review by the EAC(Engineering Accreditation Committee) of ABEEK in 2014. For this purpose Final Statements of the 266 engineering education programs reviewed by the EAC of ABEEK in 2014 were analyzed on the basis of the each criterion. However, Accreditation Criterion 8(Program Criterion) was excluded in the analysis of the causes for the deficiencies since the program-specific requirements within areas of specialization might vary with the program criteria. As results of accreditation review by the EAC of ABEEK, Deficiency findings were 81 cases which made up 3.81% of total findings, Weakness findings were 1,679 which made up 78.91% of total findings, Concern findings were 124 cases which made up 5.83% of total findings, and Satisfaction findings were 244 cases which made up 11.47% of total findings. Deficiency and Weakness findings against which the relevant program must take actions for the improvement were 82.71% in all. The findings on program accreditation are made on the basis of the Accreditation Actions Guide. Accordingly, in view of formal logic in the accreditation review, the accreditation findings should comply with the Accreditation Actions Guide consistently. In this respect, the Deficiency findings in the accreditation review can be justified. So it is useful for a program or an institution which prepares for the accreditation review to check over the causes for the Deficiency against the Accreditation Actions Guide. On the other hand changeover in the accreditation policy of the ABEEK may be necessary. If the quality of the engineering education is improved continuously through the accreditation review, accreditation fulfills its purpose. To gain this end it is important to place higher value on the 'bigger picture' than on the minor details. In other words, "holistic" evaluation of evidence should form the basis of accreditation review.

Study on The Supplying effect of Gas Air Conditioning Systems (가스냉방 보급효과에 대한 연구)

  • Han, J.O.;Chae, J.M.;Choi, K.S.;Hong, S.H.
    • Journal of the Korean Institute of Gas
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    • v.15 no.3
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    • pp.19-25
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    • 2011
  • Generally, the generation methods of cooling energy are electric air conditioning (EAC) and gas air conditioning (GAC). The EAC system is caused by increasing peak power during summer. Because the electric energy has a characteristic of non-storage, the peak electric load has been issued social problem annually whether the facility to supply is enough or not. Another way to supply cooling energy, GAC system is worked by gas energy. The absorption chiller and gas engine heat pump have been commercialized for cooling. However, the total capacity of GAC is much less than EAC and it almost depends on EAC for small market. This paper described the status of cooling energy consumption in domestic and expected the cooling energy to be consumed by electric and gas energy up to 2024 year. And also the benefit of GAC was analyzed with the case of its expansion and it was aimed to give background to fit the GAC policy.

Evaluation of Antitumor and Antioxidant Activity of Sargassum tenerrimum against Ehrlich Ascites Carcinoma in Mice

  • Patra, Satyajit;Muthuraman, Meenakshi Sundaram;Prabhu, A.T.J. Ram;Priyadharshini, R. Ramya;Parthiban, Sujitha
    • Asian Pacific Journal of Cancer Prevention
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    • v.16 no.3
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    • pp.915-921
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    • 2015
  • Context: In the last half century, discovering, developing and introducing of clinical agents from marine sources have seen great successes, with examples including the anti-cancer compound trabectedin. However, with increasing need for new anticancer drugs, further exploration for novel compounds from marine organism sources is strongly justified. Objective: The major aim of this study was to evaluate the antitumor and antioxidant potential of Sargassum tenerrimum J.Agardh (Sargassaceae) on Ehrlich ascites carcinoma (EAC) in Swiss albino mice. Materials and Methods: An ethanol extract of S. tenerrimum (EEST) from whole algae was used to evaluate cytotoxicity followed by in vivo assessment of toxicity, using biochemical parameters including hepatic and non-hepatic enzymes. Antioxidant properties were examined in animals bearing EAC treated with daily oral administration of 100-300 mg/kg extract suspension. Results: Antitumor effects of EEST in EAC bearing mice was observed with LD50 1815 mg/kg. Parameters like body weight, tumor volume, packed cell volume, tumor cell count, mean survival time and increase in life span in animals in the EAC bearing animals treated with EEST 300 mg/kg was comparable with control group. Significant differences were also seen with changes in total protein content, hepatic enzymes contents, MDA level, and free radical scavenging enzymes in untreated vs. EEST treated group animals. Conclusions: Evaluation of antioxidant enzymes and hepatic enzymes in the EAC animal model treated with EEST exhibited similar effects as the positive control drug 5-flurouracil. S. tenerrimum extracts contain effective antioxidants with significant antitumor activity.

Quantitative Analysis of Bergenin in Astilbe rubra and Growth Inhibition Effect of Ethanol Extract on Hela Cells (노루오줌으로부터 Bergenin의 함량 분석 및 에탄올 추출물의 자궁경부암세포 성장 억제 효과)

  • Kim, A Hyeon;Nho, Jong Hyun;Woo, Kyeong Wan;Gang, Ju Eun;Sim, Mi Ok;Kim, Min Suk;Ham, Seong Ho;Cho, Hyun Woo
    • Korean Journal of Pharmacognosy
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    • v.49 no.1
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    • pp.47-54
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    • 2018
  • Astilbe rubra (AR) is a perennial, belongs to the Saxifragaceae family, it contains tannin and triterpene. AR has been used in republic korea to improve toxication, fever, pain and convulsion. Recently, number of natural products have been analyzed for potential pharmacological activities including anti-cancer, anti-obesity and anti-diabetic medication. Consequently, we investigated the growth inhibition effect of Astilbe rubra water extract (WAC), ethanol extract (EAC) and bergenin on Hela cell (human adenocarcinoma cell). From whole plant of A. rubra, bergenin was isolated by column chromatography and its structures were identified by $^1H$, $^{13}C$ NMR and IT TOF-ESI MS. High extraction efficiency of bergenin was shown at 0.95% under 60 min reflux extraction with 50% MeOH. The MTS assay showed that EAC (ethanol extract) treatment increased cell death in a dose-dependent manner. Moreover, EAC treatment on Hela cell increased apoptotic cell death and caspase-3 activity. Results suggest that EAC has growth inhibition effect on Hela cells, but not WAC and bergenin. $500{\mu}g/mL$ EAC treatment inhibited Hela cell at $60.2{\pm}1.5%$.

A Case of Hemangioma in the External Auditory Canal with Pulsatile Tinnitus (박동성 이명으로 발현된 외이도 혈관종 1예)

  • Kim, Hyeonseok;Seo, Jinwon;Lee, Hyo-Jeong
    • Korean Journal of Otorhinolaryngology-Head and Neck Surgery
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    • v.60 no.3
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    • pp.140-143
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    • 2017
  • Hemangiomas are relatively common in the head and neck region, but their occurrence in the temporal bone are extremely rare. The hemangioma of the external auditory canal (EAC) is a rare otologic entity as only 22 cases of hemangioma of the EAC have been reported worldwide. Here we report a patient presenting with pulsatile tinnitus, which turned out to be caused by capillary hemangioma arising from the posterior medial portion of external auditory canal touching the tympanic membrane. Surgical excision of the tumor was successful. The clinical manifestations and management of benign vascular lesions of the EAC are discussed with a review of literature.

A Validation on Estimate at Completion Evaluation Methods of EVMS (EVMS에서 최종예상공사비(EAC) 평가방법에 관한 검증)

  • Park Eun-Jin;Kim Soo-Yong;Hwang Hyo-Soo
    • Proceedings of the Korean Institute Of Construction Engineering and Management
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    • autumn
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    • pp.405-410
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    • 2002
  • Earned Value Management System(EVMS) has been institutionalized as an advanced management technique of construction project lately. And its research has been in the active progress in order to utilize the earned value concept as a project management tool for construction project ordered by both government and private sector. However it is necessary to test and prove the EVMS's adaptability to our construction environment by EVMS's several of operations before its introduction. Project forecasting phase of EVMS is the Estimate at Completion by utilizing earned value data. So, the purpose of this study is to propose EAC evaluation method for evaluation the accuracy of the EAC and encouraging cost realism, and to test for proving the validity of the evaluation methods through hypothesis testing.

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