• Title/Summary/Keyword: Yeungnam University

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Inhibitory effects of a new iridoids, patridoid I and II on TNF, iNOS and COX-2 expression in cultured murine macrophages

  • Ju, Hye-Kyung;Jung, Hye-Jin;Moon, Tae-Chul;Lee, Eun-Kyung;Baek, Suk-Hwan;An, Ren-Bo;Bae, Ki-Hwan;Son, Kun-Ho;Kim, Hyun-Pyo;Kang, Sam-Sik;Chang, Hyeun-Wook
    • Proceedings of the PSK Conference
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    • 2002.10a
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    • pp.321.2-321.2
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    • 2002

  • Possible role of anti-inflammatory effects of a new iridoids, patridoid I. II and II-A which were isolated from Patrinia saniculaefolia. examined by assessing their effects on tumor necrosis factor $\alpha$ (TN F$\alpha$) and 2 enzymes, inducible nitric oxide synthase (iNOS) and cyclooxygenase-2 (COX-2) in the lipopolysaccaride (LPS)-stimulated murine macrophage-like cell line RAW 264.7. Among them. patridoid II consistently inhibited the production of TNF$\alpha$ and NO production in a dose dependent manner. But patridoid I and patrioid ll isomer palrioid ll-A. these compounds very weakly inhibited NO producion. Moreover. treatment of macrophage with these compounds, the decrease in NO products was accompanied by a decrease in iNOS protein level as assessed by Western Blot. But these compounds did not affect COX-2 protein expression in LPS-stimulated macrophage. Our results suggest that patridoid ll could become a leading compound for developing a novel of anti-inflammalory drugs.

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Prevalene of Secondary Hypertension in Yeungnam University Hospital (영남대학교 의과대학 부속병원에서의 이차성 고혈압의 유병율)

  • Kweon, Jun-Young;Choi, Kyo-Won;Sin, Dong-Gu;Lee, Hyeung-Woo;Yoon, Kyeung-Woo;Kim, Young-Jo;Shim, Bong-Sup;Lee, Hyun-Woo
    • Journal of Yeungnam Medical Science
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    • v.11 no.1
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    • pp.109-114
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    • 1994

  • We studied the incidence and results of treatment of secondary hypertension in Yeungnam University Hospital. Ntneteen hundred fifty patients with hypertension were included from march 1990 to march 1994. We analysed the prevalence of secondary hypertension and results of treatment. The incidence of secondary hypertension in Yeungnam University Hospital was six percent. The most common underlying causes of secondary hypertension was renal parenchymal disease. Patients with three forms of potentially reversible secondary hypertension, namely, renovascular hypertension, endocrine disease exogenous hormone, were assed to determine whether surgery or withdrawal of the exogenous hormone had led to an improvement in blood pressure control. The incidence of secondary hypertension in Yeungnam University Hospital was low(6%), but some of these are curable. Thus it is very inportant that evaluate the secondary hypertension.

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Radial Probe Endobronchial Ultrasound Using Guide Sheath-Guided Transbronchial Lung Biopsy in Peripheral Pulmonary Lesions without Fluoroscopy

  • Hong, Kyung Soo;Ahn, Heeyun;Lee, Kwan Ho;Chung, Jin Hong;Shin, Kyeong-Cheol;Jin, Hyun Jung;Jang, Jong Geol;Lee, Seok Soo;Jang, Min Hye;Ahn, June Hong
    • Tuberculosis and Respiratory Diseases
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    • v.84 no.4
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    • pp.282-290
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    • 2021

  • Background: Radial probe endobronchial ultrasound-guided transbronchial lung biopsy (RP-EBUS-TBLB) has improved the diagnostic yield of bronchoscopic biopsy of peripheral pulmonary lesions (PPLs). The diagnostic yield and complications of RP-EBUS-TBLB for PPLs vary depending on the technique, such as using a guide sheath (GS) or fluoroscopy. In this study, we investigated the utility of RP-EBUS-TBLB using a GS without fluoroscopy for diagnosing PPLs. Methods: We retrospectively reviewed data from 607 patients who underwent RP-EBUS of PPLs from January 2019 to July 2020. TBLB was performed using RP-EBUS with a GS without fluoroscopy. The diagnostic yield and complications were assessed. Multivariable logistic regression analyses were used to identify factors affecting the diagnostic yields. Results: The overall diagnostic accuracy was 76.1% (462/607). In multivariable analyses, the size of the lesion (≥20 mm; odds ratio [OR], 2.06; 95% confidence interval [CI], 1.27-3.33; p=0.003), positive bronchus sign in chest computed tomography (OR, 2.30; 95% CI, 1.40-3.78; p=0.001), a solid lesion (OR, 2.40; 95% CI, 1.31-4.41; p=0.005), and an EBUS image with the probe within the lesion (OR, 6.98; 95% CI, 4.38-11.12; p<0.001) were associated with diagnostic success. Pneumothorax occurred in 2.0% (12/607) of cases and chest tube insertion was required in 0.5% (3/607) of patients. Conclusion: RP-EBUS-TBLB using a GS without fluoroscopy is a highly accurate diagnostic method in diagnosing PPLs that does not involve radiation exposure and has acceptable complication rates.

  • https://doi.org/10.4046/trd.2021.0002 인용 PDF KSCI