• 제목/요약/키워드: biologics

검색결과 128건 처리시간 0.021초

생물의약품 제조공정에서 Bovine Viral Diarrhoea Virus 정량 검출을 위한 Real-Time RT-PCR (Real-Time RT-PCR for Quantitative Detection of Bovine Viral Diarrhoea Virus during Manufacture of Biologics)

  • 조항미;이동혁;김현미;김인섭
    • 한국미생물·생명공학회지
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    • 제36권1호
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    • pp.34-42
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    • 2008
  • 소의 혈액, 세포, 조직, 기관 등 소 유래 물질을 원료로 사용한 생물의약품, 조직공학제제, 세포치료제의 경우 소 유래원료 물질에 다양한 바이러스가 오염된 사례가 있기 때문에 바이러스 안전성 검증이 필수적이다. BVDV는 동물세포주, 우혈청 등에 가장 흔하게 오염되는 바이러스이다. 소 유래물질을 원료로 하는 생물의약품, 조직공학제제, 세포치료제 등에서 BVDV안전성을 확보하기 위해, 원료물질, 제조공정, 완제품에서 BVDV를 정량적으로 검출하고, 제조공정에서 BVDV제거 검증을 위한 시험법으로 활용이 가능한 BVDV real-time RT-PCR시험법을 확립하였다. BVDV에 특이적인 primer를 선별하였으며, 형광염료 SYBR Green I을 사용하여 BVDV RNA 정량 검출 시험법을 최적화하였다. 세포배양법에 의한 감염역가와 비교한 결과 real-time RT-PCR 민감도는 $1TCID_{50}/mL$이었다. 확립된 시험법의 신뢰성(reliability)을 보증하기 위해 시험법 검증을 실시한 결과 특이성 (specificity)과 재현성(reproducibility)이 우수함을 확인하였다. 확립된 real-time RT-PCR을 생물의약품 제조공정 검증에 적용할 수 있는지 확인하기 위하여 인위적으로 BVDV를 오염시킨 CHO 세포주와 소 유래콜라겐에서 BVDV검출 시험을 실시하였다. BVDV를 감염시킨 CHO 세포와 세포배양 상청액에서 BVDV를 정량적으로 검출할 수 있었다. 소 유래 콜라겐에서도 $10TCID_{50}/mL$까지 정량적으로 검출할 수 있었다.

Validation of Cell Substrate

  • Oh, Il-Ung
    • 대한약학회:학술대회논문집
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    • 대한약학회 2005년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.1
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    • pp.122-123
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    • 2005
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Licensure of Biological Products in KFDA

  • Zang, Young-Wook
    • 대한약학회:학술대회논문집
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    • 대한약학회 2005년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.157-157
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    • 2005
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Virus Validation for Plasma Derivatives

  • Kang, Hye-Na
    • 대한약학회:학술대회논문집
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    • 대한약학회 2005년도 Proceedings of the Convention of the Pharmaceutical Society of Korea Vol.2
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    • pp.160-160
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    • 2005
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Dual-Chamber Technology: Safe and Convenient Drug Delivery for Lyophilized Biologics

  • Moore, John
    • Journal of mucopolysaccharidosis and rare diseases
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    • 제1권1호
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    • pp.28-30
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    • 2015
  • Biologics present a challenge to both the manufacturer and end user. They must usually be formulated as parenterals. However, they are often unstable in liquid form, due to their complex structure and composition. In that case, they must be manufactured using highly specialized processes, such as lyophilization (freeze-drying). Lyophilization nearly eliminates stability issues. Reducing a compound's sensitivity to temperature prolongs its shelf life. However, reconstitution can be cumbersome, involving multiple steps that increase the potential for error. Dual-chamber technology provides an effective alternative, combining a lyophilized drug and diluent in a closed system and enabling reconstitution in a few simple steps.

Clinical Aspects and Treatments for Pediatric Inflammatory Bowel Diseases

  • Moon, Jin Soo
    • Pediatric Gastroenterology, Hepatology & Nutrition
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    • 제22권1호
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    • pp.50-56
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    • 2019
  • The incidence of pediatric inflammatory bowel disease (IBD) is increasing worldwide, especially in the developing countries. It differs from adult disease in clinical manifestations, especially with regard to genetic predisposition in monogenic IBD. Pediatric disease also have a tendency to show more aggressive inflammation and greater extent of lesion. Newer drugs such as anti-tumor necrosis factor ${\alpha}$ have been known to make a difference in treating pediatric IBD. Recent studies suggested that the patients with high risk factors might have some benefits from earlier use of biologics. To achieve treatment goals such as relieving symptoms, optimizing growth, and improving quality of life while minimizing drug toxicity, more research is needed to develop tools for risk stratification in the use of biologics for pediatric IBD.

Respiratory Reviews in Asthma 2022

  • Lee, Ji Hye;Kim, Jin-young;Choi, Jae Sung;Na, Ju Ock
    • Tuberculosis and Respiratory Diseases
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    • 제85권4호
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    • pp.283-288
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    • 2022
  • Asthma is a chronic inflammatory disease of the airways characterized by varying and recurrent symptoms, reversible airway obstruction, and bronchospasm. In this paper, clinical important studies on asthma published between March 2021 and February 2022 were reviewed. A study on the relationship between asthma and chronic rhinosinusitis, bronchiectasis, and hormone replacement therapy was published. A journal on the usefulness of fractional exhaled nitric oxide for the prediction of severe acute exacerbation was also introduced. Studies on the effect of inhaler, one of the most important treatments for asthma, were published. Studies on the control of severe asthma continued. Phase 2 and 3 studies of new biologics were also published. As the coronavirus disease 2019 (COVID-19) pandemic has been prolonged, many studies have explored the prevalence and mortality of COVID-19 infection in asthma patients.