KR20090024034A - 정자의 성 선별방법 및 특정 성별을 갖는 포유동물의생산방법 - Google Patents
정자의 성 선별방법 및 특정 성별을 갖는 포유동물의생산방법 Download PDFInfo
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K67/00—Rearing or breeding animals, not otherwise provided for; New or modified breeds of animals
- A01K67/027—New or modified breeds of vertebrates
- A01K67/0275—Genetically modified vertebrates, e.g. transgenic
-
- 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
- C12N5/00—Undifferentiated human, animal or plant cells, e.g. cell lines; Tissues; Cultivation or maintenance thereof; Culture media therefor
- C12N5/06—Animal cells or tissues; Human cells or tissues
- C12N5/0602—Vertebrate cells
- C12N5/0608—Germ cells
- C12N5/061—Sperm cells, spermatogonia
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2227/00—Animals characterised by species
- A01K2227/10—Mammal
- A01K2227/108—Swine
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
- A01K2267/00—Animals characterised by purpose
- A01K2267/02—Animal zootechnically ameliorated
- A01K2267/025—Animal producing cells or organs for transplantation
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- Organic Chemistry (AREA)
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- Animal Husbandry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Cell Biology (AREA)
- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
Description
No. of | IVF | ICSI |
Cycles | 465 | 1007 |
Retrieved oocytes | 6414 | 11042 |
Injected oocytes (%) | 8725 (79.0) | |
Fertilized oocytes (%) | 3590 (56.0) | 6552 (75.1) |
ET cycles | 423 | 950 |
Pregnancies (%) | 122 (28.9) | 266 (28.0) |
정자 | 8㎕ | 5㎕ | 2㎕ |
probe | 2㎕ | 5㎕ | 8㎕ |
BTS 조성 | 용량 (g/L) |
Glucose | 37.00 |
Sodium hydrogen bicarbonate | 1.25 |
EDTA | 1.25 |
Sodium citrate | 6.00 |
Potassium chloride | 0.75 |
pH | 7.24 |
삼투압 (mOsm) | 308 |
살아있는 정자 | 10(5㎖) | 8(4㎖) | 6(3㎖) | 4(2㎖) | 2(1㎖) | 0(0㎖) |
사멸된 정자 | 0(0㎖) | 2(1㎖) | 4(2㎖) | 6(3㎖) | 8(4㎖) | 10(5㎖) |
희석비율 | MTT 실험 | 에오신 니그로신 염색 | |||||
MTT흡광도 측정값 | 정자 생존율 | 정자 개수 | 정자 생존율 | ||||
1시간 후 | 4시간 후 | 1시간 후 | 4시간 후 | 살아있는 것 | 죽은 것 | ||
10:0 | 0.528 | 1.014 | 75.80% | 75.80% | 175 | 81 | 68% |
8:2 | 0.440 | 0.834 | 60.36% | 60.92% | 181 | 114 | 61% |
6:4 | 0.367 | 0.671 | 47.55% | 47.44% | 138 | 93 | 59% |
4:6 | 0.319 | 0.545 | 39.13% | 37.02% | 90 | 131 | 41% |
2:8 | 0.220 | 0.416 | 21.76% | 26.35% | 62 | 183 | 25% |
0:10 | 0.178 | 0.236 | 14.39% | 11.47% | 12 | 226 | 5% |
Claims (19)
- ⑴ 포유동물의 수컷 종으로부터 정자 세포를 수집하는 단계;⑵ 상기 복수의 정자 세포를 ISH (In situ hybridization)분석을 이용하여 분류하는 단계;⑶ 상기 성 선별된 정자를 상기 포유동물의 난자의 세포질 내에 주입하여 인공수정시키는 단계; 및⑷ 목적하는 성별의 포유동물 산자 (産子)를 생산하는 단계; 를 포함함을 특징으로 하는, 특정 성별을 갖는 인간을 제외한 포유동물의 생산방법.
- 제1항에 있어서상기 성 선별된 정자의 생존률을 측정하는 단계를 더 포함함을 특징으로 하는 방법.
- 제2항에 있어서,상기 성 선별된 정자의 DNA 손상 여부를 확인하는 단계를 더 포함함을 특징으로 하는 방법.
- 제2항에 있어서,상기 생존률 측정은 MTT 환원분석을 사용하여 측정하는 단계임을 특징으로 하는 방법.
- 제 3항에 있어서,상기 DNA 손상여부 확인은 MTT 환원 분석법으로 생존이 확인된 정자를 겔 속에 넣고 굳힌 후, 겔 속의 세포를 용해액 속에 넣어 용해시킨 뒤, 전기영동을 한 다음, DNA 부착 염색을 하여 관찰함으로써 DNA 손상여부를 확인하는 단계로 이루어짐을 특징으로 하는 방법.
- 제1항에 있어서,상기 ⑵단계는, ISH 분석이 FISH (Fluorescence in situ hybridization) 또는 CISH (Chromogenic in situ hybridization)인 것을 특징으로 하는 방법.
- 제6항에 있어서,상기 ⑵단계는 CISH 분석을 통해 성별이 분류됨을 특징으로 하고, 상기 성별 의 분류에 있어 정자와 프로브의 비율을 8:2, 5:5, 2:8로 구성된 군으로부터 선택된 수정용 샘플을 만드는 단계와 샘플을 도포한 슬라이드를 씰링 (sealing)하는 단계를 포함함을 특징으로 하는 방법.
- 제6항에 있어서, ⑵단계는 정자 두부(頭部)의 첨체에 치우친 전방에서 프로브를 탐지하는 단계를 포함하는, 특정성별을 갖는 포유동물의 생산방법.
- 제1항 내지 제8항 중 어느 한 항에 있어서,상기 ⑴단계는 돼지, 소 및 말로 구성된 군으로부터 선택된 포유동물의 수컷 종으로부터 정자 세포를 수집하는 단계임을 특징으로 하는 특정성별을 갖는 포유동물의 생산방법.
- 원 정액으로부터 정자 용액을 제조하는 단계;상기 정자 용액에서 정자핵을 탈 응축시킨 후 변성시키는 단계;정자의 X- 또는 Y- 염색체에 특이적인 절편을 증폭하고, 상기 절편으로 표지한 프로브 (DNA-labelled probe)를 제작하는 단계;상기 변성된 정자와 상기 프로브를 혼성화시키는 단계;혼성화 후 대조염색하여 검출하는 단계;를 포함하는 정자의 성 선별방법.
- 제10항에 있어서,상기 정자는 돼지의 정자인 것을 특징으로 하고, 서열목록 1 및 서열목록 2를 갖는 1번 염색체 및 서열목록 3 및 서열목록 4를 갖는 Y-염색체에 특이적인 절편을 증폭함을 특징으로 하는 방법.
- 제10항에 있어서,상기 대조염색은 DAPI (4'-6-Diamidino-2-phenylindole) , FITC (fluorescein isothiocyanate), RHOD 중 어느 하나에 의해 이루어짐을 특징으로 하는 방법.
- 제10항에 있어서,상기 정자핵의 탈 응축은 상기 정자용액을 슬라이드에 도포한 뒤 탈수 (dehydrate)하여 건조시킨 후 DTT 용액에 담가 37℃에서 15분 동안 배양시킴으로써 정자핵을 탈 응축시키는 것임을 특징으로 하는 방법.
- 정자와 X- 또는 Y-염색체에 특이적인 서열을 갖는 비오틸레이티브 프로브 (biotinylated probe)를 같이 슬라이드 상에 배양함으로써 프로브를 변성시키는 단계;상기 슬라이드를 다시 배양하여, HRP-Streptavidin (Horseradish peroxidase-Streptavidin)과 반응시킨 후 세척한 다음 DAB (Diaminobenzidine)와 반응시키는 단계;헤마톡실린 (hematoxylin)으로 대조염색시켜 확인하는 단계;를 포함하는 정자의 성 선별방법.
- 제14항에 있어서,상기 프로브와 정자의 비율은 8:2, 5:5, 2:8로 이루어진 군 중에서 선택되는 것을 특징으로 하는 방법.
- 제14항에 있어서,상기 프로브와 정자의 비율은 1:1인 것을 특징으로 하는 방법.
- 제 14항에 있어서,상기 프로브의 변성 단계는 고무시멘트 또는 테이프를 이용하는 것을 포함한 씰링 방법으로 슬라이드를 씰링하는 단계를 더 포함함을 특징으로 하는 방법.
- 제14항에 있어서,상기 확인 단계는 정자 두부(頭部)의 첨체에 치우친 전방에서 프로브를 탐지하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제14항 내지 제18항에 중 어느 한 항에 있어서,상기 정자는 돼지, 소 및 말로 구성된 군으로부터 선택된 포유동물의 수컷 종으로부터 얻은 정자인 것을 특징으로 하는 방법.
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