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Kim, You-Sun,Hong, Goohyeon,Kim, Doh Hyung,Kim, Young Min,Kim, Yoon-Keun,Oh, Yeon-Mok,Jee, Young-Koo Nature Publishing Group UK 2018 Experimental and molecular medicine Vol.50 No.11
<▼1><P>Although the positive effects of recombinant fibroblast growth factor-2 (rFGF-2) in chronic obstructive pulmonary disease (COPD) have been implicated in previous studies, knowledge of its role in COPD remains limited. The mechanism of FGF2 in a COPD mouse model and the therapeutic potential of rFGF-2 were investigated in COPD. The mechanism and protective effects of rFGF-2 were evaluated in cigarette smoke-exposed or elastase-induced COPD animal models. Inflammation was assessed in alveolar cells and lung tissues from mice. FGF-2 was decreased in the lungs of cigarette smoke-exposed mice. Intranasal use of rFGF-2 significantly reduced macrophage-dominant inflammation and alveolar destruction in the lungs. In the elastase-induced emphysema model, rFGF-2 improved regeneration of the lungs. In humans, plasma FGF-2 was decreased significantly in COPD compared with normal subjects (10 subjects, <I>P</I> <I>=</I> 0.037). The safety and efficacy of inhaled rFGF-2 use was examined in COPD patients, along with changes in respiratory symptoms and pulmonary function. A 2-week treatment with inhaled rFGF-2 in COPD (<I>n</I> = 6) resulted in significantly improved respiratory symptoms compared with baseline levels (<I>P</I> <I><</I> 0.05); however, the results were not significant compared with the placebo. The pulmonary function test results of COPD improved numerically compared with those in the placebo, but the difference was not statistically significant. No serious adverse events occurred during treatment with inhaled rFGF-2. The loss of FGF-2 production is an important mechanism in the development of COPD. Inhaling rFGF-2 may be a new therapeutic option for patients with COPD because rFGF-2 decreases inflammation in lungs exposed to cigarette smoke.</P></▼1><▼2><P><B>Lung disease: Inhaling a protein might help</B></P><P>Studies on the role of the protein ‘fibroblast growth factor-2’ (FGF-2) in chronic obstructive pulmonary disease (COPD) suggest that inhaled FGF-2 could help treat the emphysema linked to smoking. Researchers in South Korea led by Young-Koo Jee at Dankook University, Cheonan, and Yeon-Mok Oh at the University of Ulsan, Seoul, studied the role of the reduced FGF-2 levels found in mice with lung inflammation caused by exposure to cigarette smoke. They also uncovered details of a protective effect of inhaled FGF-2, identifying specific cellular and lung structure changes attributed to the administered FGF-2. Reduced FGF-2 levels were also found in patients with COPD. Initial trials revealed some improvement in patients treated with FGF-2, but not at a statistically significant level. Nevertheless, the authors suggest their results justify further investigation of the protein’s therapeutic potential.</P></▼2>
김현주,정우철,지영구,김대성,강성규,노상철,조규탁,김동현 大韓産業醫學會 2008 대한직업환경의학회지 Vol.20 No.1
목적: 같은 공장에서 일했던 노동자들 중 원인미상의 급성 폐장염 2례가 발견된 것을 계기로 한 합금공장에서 집단 발생한 화학적 폐장염의 원인을 규명하기 위하여 역학조사를 실시하였다. 방법: 연구대상은 한 합금공장에서 일했던 생산직 노동자 45명 전원이었다. 작업환경측정 기록을 검토하고 일반 폐기능검사,흉부방사선 촬영,작업종료후 요중 베릴륨 농도측정을 포함한 특수건강진단을 실시하였고,유증상자와 유소견자 11명에 대하여 이차로 고해상도 컴퓨터 단층 촬영 및 폐확산능 검사를 실시하였다. 결과: 베릴륨의 공기 중 농도를 평가한 결과 베릴륨이 O.42∼112.3 μg/m³이었고, 요중 베릴륨 농도는 용해 (O.53±0.79 μg/g. creatinine),금형(1.41±0.50 μg/g. creatinine),사상(1.16±0.53 μg/g. creatinine)순으로 높았으나 통계적으로 유의한 차이는 없었다. 일차 특수건강진단결과 용해공정은 비용해공정보다 현재 기침 (p=0.054), 호흡곤란(p= 0.030),입사이후 호흡기증상으로 인한 투약경험률(p=0.018)은 모두 용해작업자가 비용해공정보다 높았으며 일반 폐기능 검사결과는 두 군 간에 차이가 없었다. 최종적으로 화학성 폐장염으로 분류된 사람은 모두 11명으로 그 발생률은 용해공정에서 32.0%,비용해 공정에서 5.0%이었다(p=O.012). 2002년 12윌 이전 입사자에서 발생률은 33.3%이었고 그 이후 입사자에서는 환자가 발생하지 않았다(p<O.001). 결론: 급성 폐장염이 대부분이 용해공정에서 발생했고 모두 환기시설이 설치되기 전부터 작업했던 점으로 보아 이는 급성 베릴륨질환의 가능성이 매우 높다 이는 적절한 작업환경관리로 충분히 예방할 수 있는 질병이므로 앞으로 이러한 문제를 예방하기 위한 정책적 대안을 제시하였다. Objectives: We conducted an epidemiological survey to inquire into an outbreak of acute pneumonitis after two reported cases of interstitial lung disease. Methods: The study subjects were 45 workers from a compound metal alloy factory. We reviewed the factory's industrial hygiene data along with the results of a special health examination, including pulmonary function tests, simple chest X-rays, and high resolution computed tomography. Results: The air concentrations of beryllium ranged from 0.42 μg/m³ to 112.3 μg/m³, and the mean concentration of urinary beryllium were 1.53±0.79μg/g of creatinine in the molding workers, 1.41±0.50μg/g, of creatinine in the casting workers, and 1.16±0.53μg/g of creatinine in the sorting workers. The rates for cough (p=0.054), dyspnea (P=0.030), and the use of medical services (p=0.018) were higher in the molding workers than in the non-molding workers. The incidence rate of acute interstitial lung disease was higher for the molding process (32.0%) than for the non-molding process (5.0%) (P=0.012). The time of employment for all patients was prior to December 1^(st), 2002. Conclusions: Since most of the patients were molding workers, and all of the patients had worked without a ventilation system, this outbreak of acute interstitial lung disease was regarded as acute beryllium disease. Although the direct cause of the epidemic was the beryllium fumes, the fundamental cause was improper control of the work environment. Therefore, the means for preventing avoidable epidemics of occupational diseases are discussed.
조기 폐암과 동반된 내장형 Botryomycosis 1 예
최영희,권숙희,이계영,이현구,지영구,김윤섭,배현주,김건열,명나혜,서필원 대한내과학회 1998 대한내과학회지 Vol.54 No.3
Botryomycosis is a rare, chronic and suppurative disease that is often mistaken clinically and histologically for a fungal infection, because the histologic feature shows a cluster of bacteria found within an eosinophilic matrix or capsule, giving the appearance of granules mimicking the sulfur granules of actinomycosis. Staphylococcus aureus is the most common organism cultured from lesions of botryomycosis, but other bacteria have also been isolated and implicated, including Psudomonas aeruginosa, E. coli, Proteus spp., Bacillus spp.. In some case, multiple pathogenic bacteria were found on culture. This disease has two patterns of organ involvement. The more common type is cutaneous type, which involves the skin, subcutaneous soft tissue, muscle and bone. The other is visceral type which involves the lungs, liver, tongue, orbit, bowel, brain, kidney or prostate. We report a case of brain and pulmonary botryomycosis in a 60 year-old man, who have early lung cancer. Botryomycosis was diagnosed by brain mass removal, PCNA and bronchoscopy, and lung cancer was detected incidentally by bronchoscope. The patient was treated with the Penicillin G after operation of brain mass, and right pneumonectomy was done.
천안지역 알레르기 클리닉을 내원한 환자들에서 점박이응애 감작률
지영구(Young Koo Jee),최은경(Eun Kyung Choi),황영준(Young Joon Whang),김윤섭(Yun Seob Kim),박재석(Jae Suk Park),이계영(Kye Young Lee),김건열(Kun Yeol Kim) 대한천식알레르기학회 2000 천식 및 알레르기 Vol.20 No.2
N/A Background: Tetranychus urticae (two spotted spider mite, TSM) is considered to be an important outdoor allergen, especially among farmers as an occupational allergen. TSM may be an important allergen in Cheonan area because this area is surrounded by many pear orchards where TSM is commonly found. Objectives : To determine the sensitization rate to TSM in Cheonan area Material and methods : Rates of sensitization to common inhalant allergens were analyzed in the 456 patients who visited the allergy clinic in Dankook University Hospital, and skin prick tests were done with 55 common inhalent allergens and TSM extract, Results : The sensitization rate to Dermatophagoides farinae (37.7%) was highest followed by TSM (29.6%) and 25 (5.5%) patients were sensitized to TSM only. Sensitization rate to TSM was the highest in the third and fourth decades. Up to 50% of asthmatics aggravated during the summer season were sensitized to TSM. Conclusion TSM was the second most common sensitized allergen in patients visiting the allergy clinic in Cheonan area. These results suggest that TSM must be an important outdoor allergen in rural areas.