• 제목/요약/키워드: Alveolitis, extrinsic allergic

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느타리버섯 소포자 형성 균주 개발 (Improvement of sporeless strain in oyster mushroom Pleurotus ostreatus)

  • 신평균;오세종;유영복
    • 한국버섯학회지
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    • 제4권2호
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    • pp.53-56
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    • 2006
  • 느타리버섯의 포자는 버섯재배 농업인의 호흡기계통질환인 알레르기를 유발한다. 느타리버섯의 무포자형성 균주는 재배농업인의 건강에 도움을 줄뿐 아니라 다른 재배사에 바이러스병 감염의 위험을 감소시킬 수 있다. 소포자 형성 느타리버섯을 육성하기 위해 무포자형성 균주의 선발 및 특성검정 결과 ASI 2069 균주가 무포자이면서 수량성이 높으나 형태적으로 상품적 가치가 없어 원형질체 재생에 의한 단핵화를 시도하여 neohaplont를 분리하였다. 원형 1호(ASI 2180) 및 무포자 느타리간의 단핵교배 (Mon-Mon)를 시도한 결과 128교잡체를 얻어 이 중 30균주를 특성 검정한 다음 자실체형성 및 담자 포자비산량 조사에 의해 소포자형성 유망 13균주를 선발하였다. 그 중에서 G192 교잡체가 소포자이면서 수량성이 좋은 가장 우량 균주로 선발되었다.

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A Case of Occupational Hypersensitivity Pneumonitis Associated with Trichloroethylene

  • Jae, Young;Hwang, Eu Dong;Leem, Ah Young;Kang, Beo Deul;Chang, Soo Yun;Kim, Ho Keun;Park, In Kyu;Kim, Song Yee;Kim, Eun Young;Jung, Ji Ye;Kang, Young Ae;Park, Moo Suk;Kim, Young Sam;Kim, Se Kyu;Chang, Joon;Chung, Kyung Soo
    • Tuberculosis and Respiratory Diseases
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    • 제76권2호
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    • pp.75-79
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    • 2014
  • Trichloroethylene (TCE) is a toxic chemical commonly used as a degreasing agent, and it is usually found in a colorless or blue liquid form. TCE has a sweet, chloroform-like odor, and this volatile chlorinated organic chemical can cause toxic hepatitis, neurophysiological disorders, skin disorders, and hypersensitivity syndromes. However, the hypersensitivity pneumonitis (HP) attributed to TCE has rarely been reported. We hereby describe a case of HP associated with TCE in a 29-year-old man who was employed as a lead welder at a computer repair center. He was installing the capacitors on computer chip boards and had been wiped down with TCE. He was admitted to our hospital with complaints of dry coughs, night sweats, and weight losses for the past two months. HP due to TCE exposure was being suspected due to his occupational history, and the results of a video-associated thoracoscopic biopsy confirmed the suspicions. Symptoms have resolved after the steroid pulse therapy and his occupational change. TCE should be taken into consideration as a potential trigger of HP. Early recognition and avoidance of the TCE exposure in the future is important for the treatment of TCE induced HP.