Abstract:
A viral vaccine containing isolated virus strains is provided to improve use safety and immunogenicity by using inactivated viruses, and increase production yield of cows, so that the vaccine is useful for prevention of abortion or stillbirth in cows caused by viruses via mediation of Culicoides spp. A viral vaccine for prevention of abortion or stillbirth in cows contains cultured medium of inactivated virus strains of akabane virus(K-9)(KCTC 18117P), chuzan virus(KSA9910)(KCTC 18118P) and aino virus(YoungAM)(KCTC 18119P), and is produced by: inactivating akabane virus(K-9)(KCTC 18117P), chuzan virus(KSA9910)(KCTC 18118P) and aino virus(YoungAM)(KCTC 18119P) by adding 0.1M BEI(binary ethylene imine) prepared by solubilizing 2-BEA(2-bromoethylamine) in 0.2N NaOH, and treating the solution in a constant temperature water bath of 37 deg. C for 1 hour to them; mixing the 3 kinds of viruses in a weight ratio of 1:1:1; and adding 40-60 wt.% of IMS 1314 as an immunomodulator into the viral mixture.
Abstract:
본 발명은 항원-항체 반응을 이용하여 신속하게 돼지콜레라바이러스에 대한 항체의 존재유무를 검출할 수 있도록 고안된 검출 키트 및 이를 이용한 돼지콜레라바이러스 항체의 검출 방법에 관한 것이다. 돼지콜레라, 면역크로마토그라피, 골드 콘쥬게이트, 유전자 재조합
Abstract:
PURPOSE: Provided is a spike gene and a method for detecting neutralizing antibodies of porcine epidemic diarrhea virus to prevent porcine epidemic diarrhea by using spike proteins which are mass-produced through genetic engineering. CONSTITUTION: The spike gene obtained from porcine epidemic diarrhea virus is located in the gene of recombinant baculovirus (KFCC 11014). And a method for detecting neutralizing antibodies of porcine epidemic diarrhea virus (PEDV) is characterized by the next step of: using a spike protein expressed in recombinant baculovirus (KFCC 11014) as an antigen in implementing indirect-ELISA. A method for manufacturing the recombinant baculovirus (KFCC 11014) is comprised of the following steps of: i) making expression vector pVL 1393 having a spike gene of PEDV and obtaining a medium lacking serum but including linear baculovirus, and mixture containing lipopectin; and ii) cotransfecting host cell Sf9 using the mixture.
Abstract:
PURPOSE: A production method of polymerized liposome is provided to polymerize by only controlling the pH from 6.4 to 8.4. CONSTITUTION: A production method of polymerized liposome has the steps of: dissolving the 1,2-bis(12-(lipolyoxy)dedecanoyl)-sn-glycero-3-phosphocholine in chloroform; removing the solvent and drying in a vacuum state for about 1 hr. to form a thin membrane; adding the solution of pH 6.4 in a test-tube having the thin membrane; vortex mixing after 30min. to obtain the liposome solution of a state of semi-transparent; passing the liposome solution of a state of semi-transparent through an extruder sustained at 40°C into a filter of a specific size with a pressure of nitrogen or argon gas; keeping the pH to 8.4 and agitating for 1 day at a room temperature; keeping the pH to 6.4.
Abstract:
돼지 전염성위장염바이러스(Transmissible gastroenteritis virus ; TGEV)의 구조 단백질 중 스파이크 단백질은 TGEV를 중화할 수 있는 중화항체 생산을 유도하는 단백질로 알려져 있다. 설사로 폐사한 돼지로부터 TGEV를 분리 동정한 후 스파이크 유전자의 염기서열을 분석하고 이 자료를 토대로 유전자재조합방법을 이용하여 곤충바이러스인 바큘로바이러스 유전자에 TGEV 스파이크 유전자를 삽입하여 재조합 TGEV 스파이크 단백질을 곤충세로(Sf9)에서 발현 시켰다. 발현된 재조합 TGEV 스파이크 단백질을 기니픽에 접종했을 때 TGEV에 대한 중화항체를 생산함을 혈청중화시험법을 이용하여 확인할 수 있었다. 따라서 재조합 TGEV 스파이크 단백질을 이용하여 TGEV에 대한 중화항체가를 TGEV 특이 단크론항체를 이용한 효소면역검사법(monoclonal antibody capture enzyme linked immunosorbent assay : MACELISA)으로 검출할 수 있다. 현재 TGEV에 대한 항체가를 측정하는 방법은 조직배양을 이용한 바이러스 중화시험법으로 까다로운 조직배양과 검사기간이 4-5일정도 소요되나 본 발명에서 사용된 MACELISA의 단계를 재조합단백질 반응 단계까지를 장치(kit)화 할 경우 TGEV에 재한 중화항체를 3시간 이내에 검사할 수 있다.