KR960031600A - 인체 락토페린의 생산 방법 - Google Patents

인체 락토페린의 생산 방법 Download PDF

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KR960031600A
KR960031600A KR1019950002423A KR19950002423A KR960031600A KR 960031600 A KR960031600 A KR 960031600A KR 1019950002423 A KR1019950002423 A KR 1019950002423A KR 19950002423 A KR19950002423 A KR 19950002423A KR 960031600 A KR960031600 A KR 960031600A
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casein
expression vector
beta
human lactoferrin
mammal
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KR1019950002423A
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KR100192718B1 (ko
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이경광
유대열
한용만
이철상
김선정
이고운
박정선
조용연
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김은영
한국과학기술연구원
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/79—Transferrins, e.g. lactoferrins, ovotransferrins
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/46—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates
    • C07K14/47—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals
    • C07K14/4701—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans from vertebrates from mammals not used
    • C07K14/4732—Casein
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/63—Introduction of foreign genetic material using vectors; Vectors; Use of hosts therefor; Regulation of expression
    • C12N15/79—Vectors or expression systems specially adapted for eukaryotic hosts
    • C12N15/85—Vectors or expression systems specially adapted for eukaryotic hosts for animal cells
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2319/00—Fusion polypeptide
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2800/00—Nucleic acids vectors
    • C12N2800/10—Plasmid DNA
    • C12N2800/106—Plasmid DNA for vertebrates
    • C12N2800/107—Plasmid DNA for vertebrates for mammalian

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  • Biochemistry (AREA)
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  • Proteomics, Peptides & Aminoacids (AREA)
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Abstract

본 발명은 인체 락토페린을 포유동물로부터 생산하기 위한 발현 벡터, 상기 발현벡터로 형질전환된 포유동물 및 상기 포유동물로부터 인체 락토페린을 생산하는 방법에 관한 것으로, 소의 베타-카제인 유전자, 하이브리드 인트론 및 인체 락토페린 유전자를 포함하는 발현벡터를 포유동물의 수정란에 주입하여 형질전환된 동물을 탄생시킨 후, 동물을 사육하여 유즙으로부터 인체 락토페린을 분리하는 본 발명의 방법에 의하면 높은 효율로 인체 락토페린을 생산할 수 있다.

Description

인체 락토페린의 생산 방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 플라스미드 pBL1의 제작과정 및 구조를 나타낸 것이고,
제2도는 생쥐의 조직에서 인체 락토페린의 발현여부를 확인한 결과를 나타낸 것이다.

Claims (8)

  1. 소의 베타-카제인 유전자, 하이브리드 인트론 및 인체 락토페린 유전자를 포함하는, 포유동물에서 인체 락토페린을 생산하기 위한 발현벡터.
  2. 제1항에 있어서, 상기 하이브리드 인트론이 소 베타-카제인의 인트론 1과 토끼 베타-글로빈 유전자의 인트론 2를 결합한 것임을 특징으로 하는 발현벡터.
  3. 제2항에 있어서, 상기 하이브리드 인트론이 베타-카제인의 분비 신호 앞에 위치함을 특징으로 하는 발현벡터.
  4. 제1항에 있어서, 인체 락토페린이 유선에서만 특이적으로 발현되도록 소 베타-카제인 5'-인접(flanking) 서열을 포함하는 발현벡터.
  5. 제1항에 있어서, 2kb의 소 베타-카제인 5'-인접(flanking) 서열, 베타-카제인의 엑손 1, 하이브리드 인트론, 베타-카제인의 분비 신호, hLF의 cDNA로부터 얻은 DNA 서열, hLF의 번역 종결 서열, 베타-카제인의 엑손 8 및 엑손 9, 및 SV40 바이러스의 폴리아데닌 첨가신호를 순서대로 포함하는 발현벡터.
  6. 제5항에 있어서, 플라스미드 pBL1(KCTC 8630P).
  7. 제1항 내지 제6항 중 어느 한 항에 발현벡터로 형질전환된 포유동물.
  8. 제1항 내지 6항 중 어느 한 항에 발현벡터를 포유동물의 수정란에 주입하여 형질전환된 동물을 탄생시킨 후, 동물을 사육하여 유즙으로부터 인체 락토페린을 분리함을 포함하는, 인체 락토페린의 생산 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950002423A 1995-02-10 1995-02-10 인체 락토페린의 생산 방법 KR100192718B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950002423A KR100192718B1 (ko) 1995-02-10 1995-02-10 인체 락토페린의 생산 방법

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Application Number Priority Date Filing Date Title
KR1019950002423A KR100192718B1 (ko) 1995-02-10 1995-02-10 인체 락토페린의 생산 방법

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KR960031600A true KR960031600A (ko) 1996-09-17
KR100192718B1 KR100192718B1 (ko) 1999-06-15

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