KR20210130425A - Adjuvant composition for cancer immunotherapy comprising Escherichia coli adhesion portion FimH - Google Patents
Adjuvant composition for cancer immunotherapy comprising Escherichia coli adhesion portion FimH Download PDFInfo
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Abstract
Description
본 발명은 대장균 부착 단백질 FimH를 유효성분으로 포함하는 항암 면역 증강용 조성물에 대한 것이다.The present invention relates to a composition for enhancing anti-cancer immunity comprising E. coli adhesion protein FimH as an active ingredient.
암세포는 정상세포에서 발생하여 무한 증식할 수 있는 능력을 가지고 있고 면역 세포의 공격으로부터 회피할 수 있는 능력까지 가지고 있다. 면역 세포가 암을 발견하더라도 암세포는 다양한 면역 억제 물질을 발현 및 분비하는 것으로 이 면역 세포로부터 공격을 회피하게 된다. 최근 연구 결과에 따르면 암세포 표면에 면역 관문 억제 단백질을 과발현하여 세포 독성 T 림프구로부터 공격을 회피하는 기능까지 확인되어 이를 중간에서 차단하는 방법이 암 치료제로 개발되고 있다. 이와 같이 면역 세포가 암세포를 병원성 세포로 인식할 수 있다면 암세포만을 선택적으로 사멸시킬 수 있다. 암을 치료하기 위한 면역요법으로 앞서 언급한 것과 같은 면역관문억제제를 이용한 방법과 암세포의 항원을 면역 증강제와 함께 투여하여 암 항원 특이적인 세포 독성 T 림프구를 증식시켜 암에 대한 치료 및 백신(cancer vaccine)으로 개발하는 방법이 일반적이다. 이를 위해서는 효과적이고 안정적인 면역 증강제가 필요하고 이러한 면역 증강제를 개발하기 위한 연구가 활발하게 진행되고 있다. Cancer cells develop from normal cells and have the ability to proliferate indefinitely and even have the ability to evade attack from immune cells. Even if immune cells detect cancer, cancer cells evade attack from these immune cells by expressing and secreting various immunosuppressive substances. According to recent research results, the ability to evade attack from cytotoxic T lymphocytes by overexpressing immune checkpoint inhibitory proteins on the surface of cancer cells has also been confirmed, and a method to block this in the middle is being developed as a cancer treatment. As such, if immune cells can recognize cancer cells as pathogenic cells, only cancer cells can be selectively killed. As an immunotherapy to treat cancer, the method using an immune checkpoint inhibitor as mentioned above and the cancer antigen-specific cytotoxic T lymphocytes by administering the antigen of cancer cells together with an immune enhancer to proliferate cancer antigen-specific cytotoxic T lymphocytes. ) is a common method of development. For this, an effective and stable immune enhancer is required, and research to develop such an immune enhancer is being actively conducted.
면역 증강제는 우리 몸의 면역을 전반적으로 활성화시킬 수 있는 물질로 특히 항원 제시 세포(수지상 세포)의 활성을 유도하여 암 항원을 효율적으로 세포 표면에 표지해야 하고, 결과적으로 항원 특이적 helper T(Th) 세포 그리고 세포 독성 T 림프구(cytotoxic T lymphocytes; CTL)의 활성을 유도하여야 한다. 이렇게 활성화된 T 림프구들은 항원을 발현하는 암세포를 찾아 선택적으로 사멸하게 되고 암의 성장을 억제하게 된다. Immune enhancers are substances that can activate the immune system of our body as a whole. In particular, it is necessary to effectively label cancer antigens on the cell surface by inducing the activity of antigen-presenting cells (dendritic cells), and as a result, antigen-specific helper T (Th ) cells and cytotoxic T lymphocytes (CTL). These activated T lymphocytes find antigen-expressing cancer cells and selectively kill them and inhibit the growth of cancer.
인류는 암 외에도 다양한 병원균의 감염으로 위협받고 있다. 이러한 감염 질환을 치료하고 방어하기 위해 감염 질환의 항원을 이용한 백신의 개발이 다양한 방법으로 진행되고 있으나 급속도로 변이하고 다양화되고 있는 병원균에 적절하게 대처하지 못하고 있다. 면역 증강제는 병원균의 항원과 혼합되어 백신으로 개발될 수도 있다.Humans are threatened by infection with various pathogens besides cancer. In order to treat and defend these infectious diseases, vaccines using antigens of infectious diseases are being developed in various ways, but they do not adequately cope with rapidly changing and diversifying pathogens. Immune enhancers can also be developed into vaccines by mixing with pathogen antigens.
본 발명의 목적은 대장균 부착 단백질 FimH를 유효성분으로 포함하는 면역 증강제(adjuvant) 조성물을 제공하는 데에 있다.It is an object of the present invention to provide an immune enhancer composition comprising the E. coli adhesion protein FimH as an active ingredient.
또한, 본 발명의 다른 목적은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 백신 조성물을 제공하는 데에 있다.Another object of the present invention is to provide a vaccine composition comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명의 또 다른 목적은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 암 예방, 개선 또는 치료용 조성물을 제공하는 데에 있다.In addition, another object of the present invention is to provide a composition for preventing, improving or treating cancer comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명의 또 다른 목적은 대장균 부착 단백질 FimH 및 항원을 피하 및 비강으로 투여가능한 암 예방, 개선 또는 치료용 조성물을 제공하는 데에 있다.In addition, another object of the present invention is to provide a composition for preventing, improving or treating cancer in which E. coli adhesion protein FimH and antigen can be administered subcutaneously and nasally.
또한, 본 발명의 또 다른 목적은 대장균 부착 단백질 FimH 및 면역관문억제제를 유효성분으로 포함하는 암 예방, 개선 또는 치료용 조성물을 제공하는 데에 있다.In addition, another object of the present invention is to provide a composition for preventing, improving or treating cancer comprising the E. coli adhesion protein FimH and an immune checkpoint inhibitor as active ingredients.
상기 목적을 달성하기 위하여, 본 발명은 대장균 부착 단백질 FimH를 유효성분으로 포함하는 면역 증강제(adjuvant) 조성물을 제공한다.In order to achieve the above object, the present invention provides an immune enhancer (adjuvant) composition comprising the E. coli adhesion protein FimH as an active ingredient.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 백신 조성물을 제공한다.In addition, the present invention provides a vaccine composition comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 암 예방 또는 치료용 약학 조성물을 제공한다.In addition, the present invention provides a pharmaceutical composition for preventing or treating cancer comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명은 대장균 부착 단백질 FimH 및 면역관문억제제를 유효성분으로 포함하는 암 예방 또는 치료용 약학 조성물을 제공한다.In addition, the present invention provides a pharmaceutical composition for preventing or treating cancer comprising the E. coli adhesion protein FimH and an immune checkpoint inhibitor as active ingredients.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 암 예방 또는 개선용 건강기능식품 조성물을 제공한다.In addition, the present invention provides a health functional food composition for preventing or improving cancer comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명은 대장균 부착 단백질 FimH 및 면역관문억제제를 유효성분으로 포함하는 암 예방 또는 개선용 건강기능식품 조성물을 제공한다.In addition, the present invention provides a health functional food composition for preventing or improving cancer comprising the E. coli adhesion protein FimH and an immune checkpoint inhibitor as active ingredients.
본 발명은 대장균 부착 단백질 FimH를 유효성분으로 포함하는 항암 면역 증강용 조성물에 관한 것으로서, 구체적으로, 본 발명의 FimH는 단백질 성분의 면역 증강제로 암 항원과 혼합 투여로 암치료 효과를 나타내며 면역관문억제제와 혼합 투여에도 암 치료 효율을 나타내어 암 치료용으로 사용시에 효과가 우수하다. 또한, 본 발명의 면역 증강제 FimH는 피하 투여 외에도 비강으로 투여하여 폐 면역을 활성화할 수 있고 폐암 항원과 혼합 투여로 폐암 치료에 효과가 우수하다. 또한, 본 발명의 면역 증강제 FimH는 동물 체내 면역 활성뿐만 아니라 사람의 말초 혈액의 수지상 세포와 T 림프구의 활성을 유도할 수 있다. 따라서, 본 발명의 FimH는 항암 치료시 면역 증강제로 유용하게 활용될 수 있다.The present invention relates to a composition for enhancing anticancer immunity comprising E. coli adhesion protein FimH as an active ingredient. Specifically, FimH of the present invention is an immune enhancer of a protein component, and exhibits a cancer treatment effect by mixed administration with a cancer antigen, and an immune checkpoint inhibitor. It shows cancer treatment efficiency even when administered in combination with the drug, so it is effective when used for cancer treatment. In addition, the immune enhancer FimH of the present invention can activate lung immunity by nasal administration in addition to subcutaneous administration, and has excellent effects in treating lung cancer by mixed administration with lung cancer antigen. In addition, the immune enhancer FimH of the present invention can induce not only immune activity in animals but also dendritic cells and T lymphocytes in human peripheral blood. Therefore, the FimH of the present invention can be usefully used as an immune enhancer in anticancer treatment.
도 1은 본 발명에서 사용된 면역 증강제 FimH를 대장균 및 효모에서 추출한 결과이다. (A) 대장균에 pET28a-FimH를 형질전환하고 니켈 컬럼을 이용하여 FimH를 추출한 결과이다. (B)는 pPIC9K-FimH를 이용하여 효모에 FimH를 과발현시키고 추출한 결과이다.
도 2는 FimH와 양성대조군인 내독소 (LPS)를 쥐 체내에 투여한 뒤 림프절 수지상 세포 아형의 활성을 확인한 것으로, (A)는 림프절 수지상 세포의 아형 분리를 보여주며, (B)는 CD8+와 CD8- 수지상 세포의 세포 표면 활성 단백질 인자의 발현 양상을 나타낸다.
도 3은 FimH와 내독소의 체내 염증 및 폐혈증 유발 비교 실험으로, (A)는 FimH의 농도에 따른 혈청에 분비된 염증성 사이토카인의 농도를 나타내며, (B)는 투여 농도에 따른 쥐 사멸을 나타낸다. (C)는 FimH와 내독소를 투여한 쥐의 폐 조직 사진을 보여준다.
도 4는 FimH가 유도하는 실험 항원 특이적 면역 활성 연구로, (A)는 실험 항원 OVA와 FimH의 혼합 투여에 따른 쥐 체내 OVA 특이적 T 림프구인 OT-I과 OT-II의 증식을 나타내며, (B)는 OVA를 발현하는 종양 내부로 침투한 OT-I과 OT-II 세포의 수를 나타낸다. (C, D 및 E)는 종양 침투 OT-I과 OT-II 세포의 세포 독성 사이토카인의 발현을 나타낸다.
도 5는 FimH와 암 항원의 혼합 투여에 따른 항암 효과를 확인한 결과로, (A 및 B)는 실험 항원인 OVA와 FimH를 혼합 투여하여 OVA를 발현하는 흑색종의 성장을 나타내고 암 투여 21일째의 종양 크기를 나타내며, (C 및 D)는 흰쥐에 상피세포암종을 이식하고 상피세포암종의 항원인 AH1A5와 FimH를 혼합 투여하여 암의 성장과 종양 크기를 확인한 결과이다. (E와 F)는 검은 쥐의 흑색종 성장과 종양의 크기를 나타낸다.
도 6은 FimH의 비강 투여에 의한 면역 활성 능력과 폐암 치료 결과를 나타내는 것으로, (A) 비강 투여 후 폐 림프절 수지상 세포의 활성을 나타내며, (B) FimH와 실험 항원 OVA의 혼합 투여에 따른 이식한 OT-I과 OT-II 세포의 증식을 폐 림프절에서 확인한 결과이다. (C)는 폐로 전이된 흑색종의 폐 사진과 흑색종 전이 수를 나타낸다.
도 7은 면역관문억제제인 항-PD-L1 항체와 FimH의 혼합 투여에 따른 항암 효과를 확인한 것으로, (A) 흰쥐의 상피세포암종의 성장을 확인한 결과이며, (B)는 암에 침투된 세포 독성 T 림프구의 독성 사이토카인의 발현을 나타낸다. (C 및 D)는 쥐의 치료 후 상피세포암종의 항원인 AH1A5에 대한 인터페론-감마의 발현 정도를 나타낸다.
도 8은 사람 말초 혈액의 수지상 세포와 T 림프구의 활성을 확인한 결과로서, (A)는 사람 수지상 세포의 분포를 유세포 분석기로 분석한 결과이며, (B)는 FimH와 양성대조군 내독소에 의한 사람 말초 혈액 수지상 세포의 활성을 확인한 결과이다. (C)는 활성화된 수지상 세포에 의한 자가 T 림프구의 증식 및 인터페론-감마의 발현을 확인한 결과이다.1 is a result of extracting the immune enhancer FimH used in the present invention from E. coli and yeast. (A) E. coli was transformed with pET28a-FimH and FimH was extracted using a nickel column. (B) is the result of overexpression and extraction of FimH in yeast using pPIC9K-FimH.
Figure 2 confirms the activity of lymph node dendritic cell subtypes after administration of FimH and endotoxin (LPS), a positive control, into the body of mice. Expression patterns of cell surface active protein factors in CD8-dendritic cells are shown.
3 is a comparative experiment for inducing inflammation and sepsis in vivo between FimH and endotoxin, (A) shows the concentration of inflammatory cytokines secreted into the serum according to the concentration of FimH, (B) shows the death of mice according to the administered concentration . (C) shows a photograph of the lung tissue of a rat administered with FimH and endotoxin.
4 is an experimental antigen-specific immune activity study induced by FimH, (A) shows the proliferation of OVA-specific T lymphocytes OT-I and OT-II in mice according to the mixed administration of the experimental antigen OVA and FimH; (B) shows the number of OT-I and OT-II cells infiltrating the tumors expressing OVA. (C, D and E) show the expression of cytotoxic cytokines in tumor-infiltrating OT-I and OT-II cells.
Figure 5 is the result of confirming the anticancer effect of the mixed administration of FimH and cancer antigen, (A and B) shows the growth of melanoma expressing OVA by the mixed administration of OVA and FimH, which are experimental antigens, and on
Figure 6 shows the immune activation ability and lung cancer treatment results by nasal administration of FimH, (A) showing the activity of lung lymph node dendritic cells after nasal administration, (B) transplanted according to the mixed administration of FimH and the experimental antigen OVA This is the result of confirming the proliferation of OT-I and OT-II cells in the lung lymph nodes. (C) shows the lung pictures of melanoma metastasized to the lungs and the number of melanoma metastases.
7 shows the anticancer effect of the mixed administration of an immune checkpoint inhibitor, anti-PD-L1 antibody and FimH, (A) the result of confirming the growth of epithelial cell carcinoma in rats, (B) is the cancer-infiltrating cells Expression of toxic cytokines in toxic T lymphocytes is shown. (C and D) shows the expression level of interferon-gamma for AH1A5, an epithelial cell carcinoma antigen, after treatment in mice.
8 is a result of confirming the activity of dendritic cells and T lymphocytes in human peripheral blood, (A) is a result of analyzing the distribution of human dendritic cells by flow cytometry, (B) is a human by FimH and positive control endotoxin This is the result of confirming the activity of peripheral blood dendritic cells. (C) is the result of confirming the proliferation of autologous T lymphocytes and the expression of interferon-gamma by activated dendritic cells.
본 발명은 대장균 부착 단백질 FimH를 유효성분으로 포함하는 면역 증강제(adjuvant) 조성물을 제공한다.The present invention provides an immune enhancer composition comprising the E. coli adhesion protein FimH as an active ingredient.
바람직하게는, 상기 조성물은 말초 혈액 면역 세포의 활성을 유도할 수 있으나, 이에 제한되는 것은 아니다. 또한, 주변 림프절의 수지상 세포와 T 림프구의 활성을 유도할 수 있다.Preferably, the composition can induce the activation of peripheral blood immune cells, but is not limited thereto. In addition, it can induce the activation of dendritic cells and T lymphocytes in peripheral lymph nodes.
본 발명의 "대장균 부착 단백질 FimH"은 서열번호 1로 표시되는 아미노산 서열을 가질 수 있으나, 이에 제한되는 것은 아니다."E. coli adhesion protein FimH" of the present invention may have the amino acid sequence shown in SEQ ID NO: 1, but is not limited thereto.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 백신 조성물을 제공한다.In addition, the present invention provides a vaccine composition comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
바람직하게는, 상기 항원은 세포, 바이러스, 단백질, 펩타이드, 핵산, 올리고뉴클레오티드, 탄수화물 및 지질로 구성된 군에서 선택된 어느 하나 이상일 수 있으나, 이에 제한되는 것은 아니다.Preferably, the antigen may be any one or more selected from the group consisting of cells, viruses, proteins, peptides, nucleic acids, oligonucleotides, carbohydrates and lipids, but is not limited thereto.
바람직하게는, 상기 백신은 항암 백신 또는 바이러스 백신일 수 있으나, 이에 제한되는 것은 아니다.Preferably, the vaccine may be an anti-cancer vaccine or a virus vaccine, but is not limited thereto.
본 발명의 백신 조성물은 제제화될 경우 통상적으로 사용되는 충진제, 증량제, 안정화제, 결합제, 습윤제, 붕해제, 계면활성제 등의 희석제 또는 부형제를 사용하여 조제할 수 있다. 비경구투여를 위한 제제에는 멸균된 수용액, 비수용성제, 현탁제, 유제, 동결건조제제가 포함된다. 비수용성제제, 현탁제로는 프로필렌글리콜, 폴리에틸렌 글리콜, 올리브 오일과 같은 식물성 기름, 에틸올레이트와 같은 주사 가능한 에스테르 등이 사용될 수 있다.When the vaccine composition of the present invention is formulated, it can be prepared by using a diluent or excipient such as a filler, an extender, a stabilizer, a binder, a wetting agent, a disintegrant, and a surfactant. Formulations for parenteral administration include sterile aqueous solutions, non-aqueous preparations, suspensions, emulsions, and freeze-dried preparations. Non-aqueous preparations and suspensions may include propylene glycol, polyethylene glycol, vegetable oils such as olive oil, and injectable esters such as ethyl oleate.
본 발명의 백신 조성물은 근육내 주사, 피하 주사, 피내 주사, 복막내 주사, 비강 투여, 구강 투여, 경피 투여 또는 경구 투여될 수 있으며, 투여대상의 나이, 성별, 체중 등에 따라 투여량이 달라질 수 있고, 투여경로, 질병의 정도, 성별, 체중, 나이 등에 따라서도 백신의 투여량이 증감될 수 있다.The vaccine composition of the present invention may be administered by intramuscular injection, subcutaneous injection, intradermal injection, intraperitoneal injection, nasal administration, oral administration, transdermal administration or oral administration, and the dosage may vary depending on the age, sex, weight, etc. of the subject to be administered. The dose of vaccine may be increased or decreased depending on the route of administration, the degree of disease, sex, weight, age, etc.
본 발명의 조성물은 백신 효율을 향상시킬 수 있는 면역 증강제로 사용이 가능하고, 상기 감염 질환은 박테리아, 기생충, 진균류, 바이러스, 비로이드 및 프리온에 의해 초래되는 감염 질환일 수 있다. The composition of the present invention can be used as an immune enhancer capable of improving vaccine efficiency, and the infectious disease may be an infectious disease caused by bacteria, parasites, fungi, viruses, viroids and prions.
특히, 바이러스는 장내바이러스, 로터바이러스, 아데노바이러스 및 간염 바이러스일 수 있고, 상기 바이러스 외에도 레트로바이러스과(예를 들어, HIV-I(또한 HTLV-III, LAV 또는 HTLV-III/LAV, 또는 HIV-III으로서도 언급됨)와 같은 인간 면역 결핍 바이러스; 및 HIV-LP와 같은 다른 분리물); 피코나바이러스과(Picornaviridae)(예를 들어, 폴리오 바이러스(polio virus), A형 간염 바이러스, 엔테로바이러스, 인간 콕사키바이러스(human Coxsackie virus), 리노바이러스(rhinovirus), 에코바이러스(echovirus)); 칼시바이러스과(Calciviridae)(예를 들어, 위장염의 원인이 되는 종); 토가바이러스과(Togaviridae)(예를 들어, 말 뇌염 바이러스(equine encephalitis virus), 풍진 바이러스(rubella virus)); 플라비비아러스과(Flaviviridae)(예를 들어, 뎅기 바이러스(dengue virus), 뇌염 바이러스(encephalitis virus), 황열 바이러스(yellow fever virus)); 코로나바이러스과(Coronaviridae)(예를 들어, 코로나바이러스(coronavirus)); 랍도바이러스과(Rhabdoviridae)(예를 들어, 수포성구내염바이러스(vesicular stomatitis virus), 광견병 바이러스(rabies virus)); 필로바이러스과(예를 들어, 에볼라 바이러스(ebola virus)); 파라믹소바이러스과(Paramyxoviridae)(예를 들어, 파라인플루엔자 바이러스(parainfluenza virus), 볼거리 바이러스(mumps virus), 홍역 바이러스(measles virus), 호흡기세포융합 바이러스(respiratory syncytial virus)); 오소믹소바이러스과(Orthomyxoviridae)(예를 들어, 인플루엔자 바이러스(influenza virus)); 부니아바이러스(Bunyaviridae)(예를 들어, 한탄 바이러스(Hantaan virus), 부니아 바이러스(bunya virus), 플레보바이러스(phlebovirus) 및 나이로 바이러스(Nairo virus)); 아레나바이러스과(출혈열 바이러스(hemorrhagic fever virus)); 레오바이러스과(Reoviridae)(예를 들어, 레오바이러스(reovirus), 오르비바이러스(orbivirus) 및 로타바이러스(rotavirus)); 보르나바이러스과(Bornaviridae); 헤파드나바이러스과(Hepadnaviridae)(B형 간염 바이러스(Hepatitis B virus)); 파보바이러스과(Parvoviridae)(파보바이러스(Parvoviridae)); 파포바바이러스과(Papovaviridae)(유두종 바이러스(papilloma virus), 폴리오마 바이러스(polyoma virus)); 아데노바이러스과(Adenoviridae)(대부분의 아데노바이러스(Adenovirus)); 헤르페스바이러스과(Herpesviridae)(단순 포진 바이러스(herpes simplex virus, HSV) 1 및 2, 수두 대상 포진 바이러스(varicella zoster virus), 사이토메갈로바이러스(cytomegalovirus, CMV), 헤르페스 바이러스(herpes virus); 폭스바이러스과(Poxviridae)(바리올라 바이러스(variola virus), 우두 바이러스(vaccinia virus). 폭스 바이러스(pox virus)); 및 이리도바이러스과(Iridoviridae)(예를 들어, 아프리카 돼지 콜레라 바이러스(African swine fever virus)); 및 미분류 바이러스들(예를 들어 델타 간염(delta hepatitis)(B형 간염의 결핍된 부수체(satellite)인 것으로 생각됨), C형 간염(Hepatitis C); 노워크(Norwalk) 및 관련 바이러스, 및 아스트로 바이러스(astro virus)의 제제)를 포함하지만, 이에 제한되지 않는다. In particular, the virus may be an enterovirus, a rotovirus, an adenovirus and a hepatitis virus, and in addition to the above viruses, the retroviral family (eg, HIV-I (also HTLV-III, LAV or HTLV-III/LAV, or HIV-III) human immunodeficiency virus such as ) and other isolates such as HIV-LP); Picornaviridae (eg, polio virus, hepatitis A virus, enterovirus, human Coxsackie virus, rhinovirus, echovirus); Calciviridae (eg, the species responsible for gastroenteritis); Togaviridae (eg, equine encephalitis virus, rubella virus); Flaviviridae (eg, dengue virus, encephalitis virus, yellow fever virus); Coronaviridae (eg, coronavirus); Rhabdoviridae (eg, vesicular stomatitis virus, rabies virus); filoviridae (eg, ebola virus); Paramyxoviridae (eg, parainfluenza virus, mumps virus, measles virus, respiratory syncytial virus); Orthomyxoviridae (eg, influenza virus); Bunyaviruses (Bunyaviridae) (eg Hantaan virus, bunya virus, phlebovirus and Nairo virus); arenaviridae (hemorrhagic fever virus); Reoviridae (eg, reovirus, orbivirus and rotavirus); Bornaviridae; Hepadnaviridae (Hepatitis B virus); Parvoviridae (Parvoviridae); Papovaviridae (papilloma virus, polyoma virus); adenoviridae (most adenoviruses); Herpesviridae (herpes simplex virus, HSV) 1 and 2, varicella zoster virus, cytomegalovirus (CMV), herpes virus; Poxviridae ) (variola virus, vaccinia virus. pox virus); and Iridoviridae (eg African swine fever virus); and unclassified Viruses (e.g., delta hepatitis (thought to be the deficient satellite of hepatitis B), hepatitis C; Norwalk and related viruses, and astrovirus ( astro virus)), but is not limited thereto.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 암 예방 또는 치료용 약학 조성물을 제공한다.In addition, the present invention provides a pharmaceutical composition for preventing or treating cancer comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
바람직하게는, 상기 항원은 세포, 바이러스, 단백질, 펩타이드, 핵산, 올리고뉴클레오티드, 탄수화물 및 지질로 구성된 군에서 선택된 어느 하나 이상일 수 있으나, 이에 제한되는 것은 아니다.Preferably, the antigen may be any one or more selected from the group consisting of cells, viruses, proteins, peptides, nucleic acids, oligonucleotides, carbohydrates and lipids, but is not limited thereto.
보다 바람직하게는, 상기 항원은 서열번호 2로 표시되는 오브알부민(ovalbumin, OVA) 펩타이드(SIINFEKL), 서열번호 3으로 표시되는 OVA 펩타이드(ISQAVHAAHAEINEAGR), 서열번호 4로 표시되는 흑색종 항원 TRP2 펩타이드(SVYDFFVWL) 또는 서열번호 5로 표시되는 상피세포암종 항원 AH1A5 펩타이드(SPSYAYHQF) 일 수 있으나, 이에 제한되는 것은 아니다.More preferably, the antigen is ovalbumin (OVA) peptide (SIINFEKL) represented by SEQ ID NO: 2, OVA peptide (ISQAVHAAHAEINEAGR) represented by SEQ ID NO: 3, melanoma antigen TRP2 peptide represented by SEQ ID NO: 4 ( SVYDFFVWL) or epithelial cell carcinoma antigen AH1A5 peptide (SPSYAYHQF) represented by SEQ ID NO: 5, but is not limited thereto.
또한, 본 발명은 대장균 부착 단백질 FimH 및 면역관문억제제를 유효성분으로 포함하는 암 예방 또는 치료용 약학 조성물을 제공한다.In addition, the present invention provides a pharmaceutical composition for preventing or treating cancer comprising the E. coli adhesion protein FimH and an immune checkpoint inhibitor as active ingredients.
바람직하게는, 상기 면역관문억제제는 항-PD-1 항체 또는 항-PD-L1 항체일 수 있으나, 이에 제한되는 것은 아니다.Preferably, the immune checkpoint inhibitor may be an anti-PD-1 antibody or an anti-PD-L1 antibody, but is not limited thereto.
바람직하게는, 상기 암은 방광암, 유방암, 결장암, 신장암, 간암, 폐암, 난소암, 전립선암, 췌장암, 위암, 경부암, 갑상선암, 편평세포암, 상피세포암, 피부암, 백혈병, 급성 림프성 백혈병, B-세포 림프종, T-세포 림프종, 호지킨스 림프종, 비-호지킨스 림프종, 모발상 세포 림프종, 버켓 림프종, 급성 및 만성 골수성 백혈병, 전골수구 백혈병, 섬유육종, 횡문근육종, 흑색종, 정상피종, 기형암종, 신경모세포종, 신경교종, 성상세포종, 신경아세포종, 신경초종, 골육종, 색소성 건피증, 각화극세포종, 정상피종, 갑상선 여포상암 및 기형 암종으로 구성된 군에서 선택된 어느 하나 이상일 수 있으나, 이에 제한되는 것은 아니다.Preferably, the cancer is bladder cancer, breast cancer, colon cancer, kidney cancer, liver cancer, lung cancer, ovarian cancer, prostate cancer, pancreatic cancer, stomach cancer, cervical cancer, thyroid cancer, squamous cell cancer, epithelial cell cancer, skin cancer, leukemia, acute lymphoblastic leukemia , B-cell lymphoma, T-cell lymphoma, Hodgkins lymphoma, non-Hodgkins lymphoma, hairy cell lymphoma, Burkett lymphoma, acute and chronic myelogenous leukemia, promyelocytic leukemia, fibrosarcoma, rhabdomyosarcoma, melanoma, seminothelioma , teratoma, neuroblastoma, glioma, astrocytoma, neuroblastoma, schwannoma, osteosarcoma, xeroderma pigmentosum, keratocytoma, seminoma, thyroid follicular cancer and teratoma. It may be any one or more selected from the group consisting of, but It is not limited.
바람직하게는, 상기 조성물은 근육내 주사, 피하 주사, 피내 주사, 복막내 주사, 비강 투여, 구강 투여, 경피 투여 또는 경구 투여될 수 있으나, 이에 제한되는 것은 아니다.Preferably, the composition may be administered by intramuscular injection, subcutaneous injection, intradermal injection, intraperitoneal injection, nasal administration, oral administration, transdermal administration or oral administration, but is not limited thereto.
본 발명의 약학 조성물은 유효 성분 이외에 약제학적으로 적합하고 생리학적으로 허용되는 보조제를 사용하여 제조될 수 있으며, 상기 보조제로는 부형제, 붕해제, 감미제, 결합제, 피복제, 팽창제, 윤활제, 활택제 또는 향미제 등의 가용화제를 사용할 수 있다. 본 발명의 약학 조성물은 투여를 위해서 유효 성분 이외에 추가로 약제학적으로 허용 가능한 담체를 1 종 이상 포함하여 약학 조성물로 바람직하게 제제화할 수 있다. 액상 용액으로 제제화되는 조성물에 있어서 허용 가능한 약제학적 담체로는, 멸균 및 생체에 적합한 것으로서, 식염수, 멸균수, 완충 식염수, 덱스트로즈 용액, 말토 덱스트린 용액, 글리세롤, 에탄올 및 이들 성분 중 1 성분 이상을 혼합하여 사용할 수 있으며, 필요에 따라 항산화제, 완충액, 정균제 등 다른 통상의 첨가제를 첨가할 수 있다. 또한, 희석제, 분산제, 계면활성제, 결합제 및 윤활제를 부가적으로 첨가하여 수용액, 현탁액, 유탁액 등과 같은 액제, 환약, 캡슐, 과립 또는 정제로 제제화할 수 있다. The pharmaceutical composition of the present invention may be prepared using a pharmaceutically suitable and physiologically acceptable adjuvant in addition to the active ingredient, and the adjuvant includes an excipient, a disintegrant, a sweetener, a binder, a coating agent, a swelling agent, a lubricant, and a lubricant. Alternatively, a solubilizing agent such as a flavoring agent may be used. The pharmaceutical composition of the present invention may be preferably formulated into a pharmaceutical composition including one or more pharmaceutically acceptable carriers in addition to the active ingredient for administration. In a composition formulated as a liquid solution, acceptable pharmaceutical carriers are sterile and biocompatible, and include saline, sterile water, buffered saline, dextrose solution, maltodextrin solution, glycerol, ethanol, and one or more of these components. can be used by mixing, and other conventional additives such as antioxidants, buffers, and bacteriostats can be added as needed. In addition, diluents, dispersants, surfactants, binders and lubricants may be additionally added to be formulated into solutions such as aqueous solutions, suspensions, emulsions, pills, capsules, granules or tablets.
본 발명의 약학 조성물의 유효성분의 유효량은 질환의 예방 또는 치료 요구되는 양을 의미한다. 따라서, 질환의 종류, 질환의 중증도, 조성물에 함유된 유효 성분 및 다른 성분의 종류 및 함량, 제형의 종류 및 환자의 연령, 체중, 일반 건강 상태, 성별 및 식이, 투여 시간, 투여 경로 및 조성물의 분비율, 치료 기간, 동시 사용되는 약물을 비롯한 다양한 인자에 따라 조절될 수 있다.The effective amount of the active ingredient of the pharmaceutical composition of the present invention means an amount required for prevention or treatment of a disease. Therefore, the type of disease, the severity of the disease, the type and content of the active ingredient and other ingredients contained in the composition, the type of dosage form and the age, weight, general health status, sex and diet of the patient, administration time, administration route and composition It can be adjusted according to various factors including secretion rate, duration of treatment, and drugs used at the same time.
또한, 본 발명은 대장균 부착 단백질 FimH 및 항원을 유효성분으로 포함하는 암 예방 또는 개선용 건강기능식품 조성물을 제공한다.In addition, the present invention provides a health functional food composition for preventing or improving cancer comprising the E. coli adhesion protein FimH and an antigen as active ingredients.
또한, 본 발명은 대장균 부착 단백질 FimH 및 면역관문억제제를 유효성분으로 포함하는 암 예방 또는 개선용 건강기능식품 조성물을 제공한다.In addition, the present invention provides a health functional food composition for preventing or improving cancer comprising the E. coli adhesion protein FimH and an immune checkpoint inhibitor as active ingredients.
본 발명의 건강기능식품 조성물은 분말, 과립, 정제, 캡슐, 시럽 또는 음료의 형태로 제공될 수 있으며, 상기 건강기능식품 조성물은 유효성분 이외에 다른 식품 또는 식품 첨가물과 함께 사용되고, 통상적인 방법에 따라 적절하게 사용될 수 있다. 유효성분의 혼합양은 그의 사용 목적 예를 들어 예방, 건강 또는 치료적 처치에 따라 적합하게 결정될 수 있다.The health functional food composition of the present invention may be provided in the form of powder, granule, tablet, capsule, syrup or beverage, and the health functional food composition is used together with other foods or food additives in addition to the active ingredient, according to a conventional method. can be used appropriately. The mixed amount of the active ingredient may be suitably determined according to the intended use thereof, for example, prophylactic, health or therapeutic treatment.
상기 건강기능식품 조성물에 함유된 유효성분의 유효용량은 상기 약학조성물의 유효용량에 준해서 사용할 수 있으나, 건강 및 위생을 목적으로 하거나 또는 건강 조절을 목적으로 하는 장기간의 섭취의 경우에는 상기 범위 이하일 수 있으며, 유효성분은 안전성 면에서 아무런 문제가 없기 때문에 상기 범위 이상의 양으로도 사용될 수 있음은 확실하다.The effective dose of the active ingredient contained in the health functional food composition may be used according to the effective dose of the pharmaceutical composition, but in the case of long-term intake for health and hygiene or health control, it should be less than or equal to the above range. It is certain that the active ingredient can be used in an amount greater than the above range because there is no problem in terms of safety.
상기 건강식품의 종류에는 특별한 제한이 없고, 예로는 육류, 소세지, 빵, 쵸코렛, 캔디류, 스넥류, 과자류, 피자, 라면, 기타 면류, 껌류, 아이스크림류를 포함한 낙농제품, 각종 스프, 음료수, 차, 드링크제, 알콜 음료 및 비타민 복합제 등을 들 수 있다.The type of health food is not particularly limited, and examples include meat, sausage, bread, chocolate, candy, snacks, confectionery, pizza, ramen, other noodles, gum, dairy products including ice cream, various soups, beverages, tea, drinks, alcoholic beverages, vitamin complexes, and the like.
이하, 본 발명의 이해를 돕기 위하여 실시예를 들어 상세하게 설명하기로 한다. 다만 하기의 실시예는 본 발명의 내용을 예시하는 것일 뿐 본 발명의 범위가 하기 실시예에 한정되는 것은 아니다. 본 발명의 실시예는 당업계에서 평균적인 지식을 가진 자에게 본 발명을 보다 완전하게 설명하기 위해 제공되는 것이다.Hereinafter, to help the understanding of the present invention, examples will be described in detail. However, the following examples are merely illustrative of the contents of the present invention, and the scope of the present invention is not limited to the following examples. The embodiments of the present invention are provided to more completely explain the present invention to those of ordinary skill in the art.
<< 실시예Example 1> 대장균 및 효모에서 1> in E. coli and yeast FimH의FimH's 추출 extraction
FimH를 대장균과 효모에서 대량 생산하기 위하여 대장균은 pET28a 플라스미드 백터를 사용하였고, 효모는 pPIC9K 백터를 사용하였다. 먼저, 대장균에 FimH를 분리하기 위해 Competent 세포에 pET28a-FimH 플라스미드를 형질전환한 후 37℃에서 배양한다. 180 rpm에서 LB 배지에 1시간 동안 배양한 후, 카나마이신(kanamycin)을 처리한 LB plate에 대장균을 다시 배양한다. 단일 콜로니를 확인하고 카나마이신 포함된 1 리터의 LB 배지에 단일 클론 대장균을 16시간 배양한다. 원심 분리 후 대장균을 분쇄하고 세포 부유액의 OD280 값이 기준치에 도달할 때까지 니켈 컬럼을 통과시킨다. 이어서 표적 FimH 단백질을 Ni-IDA wash buffer (8 M urea; 100 mM NaH2PO4; 100 mM Tris, pH 6.3)로 용리시키고 분리된 FimH를 수확한다.To mass-produce FimH in E. coli and yeast, the pET28a plasmid vector was used for E. coli, and the pPIC9K vector was used for yeast. First, in order to isolate FimH from E. coli, the pET28a-FimH plasmid was transformed into Competent cells and then cultured at 37°C. After incubation in LB medium at 180 rpm for 1 hour, E. coli is re-cultured on LB plate treated with kanamycin. Confirm single colonies and incubate monoclonal E. coli in 1 liter of LB medium containing kanamycin for 16 hours. After centrifugation, E. coli is crushed and passed through a nickel column until the OD280 value of the cell suspension reaches a reference value. Then, the target FimH protein is eluted with Ni-IDA wash buffer (8 M urea; 100 mM NaH 2 PO 4 ; 100 mM Tris, pH 6.3), and the isolated FimH is harvested.
효모로부터 FimH를 생산하기 위해서, 전장서열 스플라이싱 프라이머(full-length splicing primers)는 양쪽 말단에 보호 염기(protective bases)를 포함시켜 제작하였다. 합성 유전자 FimH를 EcoR I 및 Not I의 클로닝 부분을 발현벡터 pPIC9K에 삽입한다. 재조합 플라스미드 pPIC9K-FimH를 TOP10 클론 균주에 형질 전환한 후 배양하고 니컬 컬럼으로 분리한다. 대장균과 효모에서 분리된 FimH는 정제를 위해 14 kD의 투석 후 내독소 제거 레진을 이용하여 내독소의 오염을 제거하였다(도 1). To produce FimH from yeast, full-length splicing primers were prepared by including protective bases at both ends. The synthetic gene FimH was inserted into the expression vector pPIC9K by cloning parts of EcoRI and Not I. The recombinant plasmid pPIC9K-FimH was transformed into the TOP10 clone strain, then cultured and separated by a nical column. FimH isolated from E. coli and yeast was purified by dialysis of 14 kD and endotoxin removal resin was used to remove contamination of endotoxin (FIG. 1).
<< 실시예Example 2> 2> FimH의FimH's 피하 투여에 따른 림프절 수지상 세포의 활성 확인 Confirmation of the activity of lymph node dendritic cells following subcutaneous administration
검은 쥐 피하에 2.5 mg/kg 농도의 FimH 및 1 mg/kg 농도의 LPS를 투여하고 24시간 뒤 전립선 림프절을 적출하고 수지상 세포의 활성을 분석하였다. 전립선 수지상 세포는 유세포 분석기를 이용하여 Lineage를 발현하지 않고 CD11c를 발현하는 살아있는 단일 부유 백혈구를 구획하였으며, 이를 CD8의 발현 유무에 따라 다시 아형으로 분리하였다. FimH를 투여하였던 쥐에서 수지상 세포 활성 표면 단백질 발현 인자의 발현이 각각의 아형에서 급격히 증가되는 것이 관찰되었고, 이 증가 정도는 양성대조군인 내독소 (LPS) 보다 높은 것으로 확인되었다(도 2). After administration of FimH at a concentration of 2.5 mg/kg and LPS at a concentration of 1 mg/kg under the skin of black rats, prostatic lymph nodes were excised 24 hours later, and dendritic cell activity was analyzed. Prostate dendritic cells were divided into living single floating leukocytes expressing CD11c without lineage using flow cytometry, and they were further separated into subtypes according to the presence or absence of CD8 expression. In mice treated with FimH, it was observed that the expression of the dendritic cell activation surface protein expression factor was rapidly increased in each subtype, and this increase was confirmed to be higher than that of the positive control endotoxin (LPS) ( FIG. 2 ).
<< 실시예Example 3> 내독소에 비해 현저히 낮은 체내 독성을 유발하는 3> Inducing significantly lower body toxicity compared to endotoxin FimHFimH
면역 증강제는 면역을 활성하는 것에 주안점을 두지만 체내의 독성을 유발할 경우 사용이 불가능하다. 이에 따라, FimH의 독성 정도를 확인하였을 때, FimH는 면역 활성 농도인 2.5 mg/kg보다 100배 높은 농도로 쥐에 투여하였을 때 전구 염증 사이토카인의 발현이 더 이상 증가 되지 않는 것을 확인하였다. 또한, 쥐 사멸 실험에서도 100배 높은 농도에서 30%의 쥐가 죽은 것에 비해 내독소는 20배 높은 농도로 투여하였을 때 36시간 내에 모든 쥐가 죽는 것으로 나타났으며, 폐의 염증에 있어서도 FimH는 염증이 거의 없는 것에 비해 내독소는 염증이 심하게 유발되는 것이 확인되었다(도 3). Immune enhancers focus on activating immunity, but cannot be used if they cause toxicity in the body. Accordingly, when checking the degree of toxicity of FimH, it was confirmed that when FimH was administered to mice at a
<< 실시예Example 4> 4> FimH와with FimH 실험 항원의 혼합 투여에 따른 항원 특이적 면역 활성 확인 Confirmation of antigen-specific immune activity following mixed administration of experimental antigens
FimH의 면역 활성 능력을 검증하기 위하여, 먼저 실험 항원인 OVA에만 특이적으로 증식 및 활성을 가질 수 있는 OT-I과 OT-II 쥐에서 CD8과 CD4를 발현하는 림프구를 추출하고, 이를 OVA를 세포 표면에 발현하는 흑색종이 이식된 CD45.2를 발현하는 정상 쥐에 이식하였다. 이식 24시간 뒤 OVA와 FimH를 혼합 투여한 암 주변 림프절을 적출하고 OT-I과 OT-II 세포의 증식을 확인하였을 때, 높은 효율로 이들 세포의 증식을 유도하는 것을 확인할 수 있었다. 또한, 흑색종 내부에 침투된 OT-I과 OT-II 세포가 급격히 증가되는 것이 확인되었고, 이들 침투 OT-I과 OT-II 세포는 높은 효율로 인터페론-감마와 TNF-알파를 분비하는 것으로 확인되었다(도 4).In order to verify the immune activation ability of FimH, first, lymphocytes expressing CD8 and CD4 were extracted from OT-I and OT-II mice, which can only have proliferation and activity specific to OVA, which is an experimental antigen, and then the OVA cells Normal mice expressing CD45.2 were implanted with superficially expressing melanoma. Twenty-four hours after transplantation, when lymph nodes around the cancer that were mixed with OVA and FimH were excised and the proliferation of OT-I and OT-II cells was confirmed, it was confirmed that the proliferation of these cells was induced with high efficiency. In addition, it was confirmed that the infiltrating OT-I and OT-II cells in the melanoma rapidly increased, and it was confirmed that these infiltrating OT-I and OT-II cells secrete interferon-gamma and TNF-alpha with high efficiency. became (Fig. 4).
<< 실시예Example 5> 5> FimH와with FimH 암 항원의 혼합 투여에 의한 항암 효과 Anticancer effect by mixed administration of cancer antigens
FimH와 항원의 혼합 투여에 의한 항암 효과를 확인하기 위하여, 먼저 실험 항원인 OVA와 FimH를 OVA를 발현하는 흑색종이 이식된 검은 쥐에 7일 간격으로 2회 주사하였다. OVA와 FimH를 혼합 투여한 쥐에서는 흑색종 성장이 대조군에 비해 현저히 억제되는 것이 확인되었다. 또한, 상피세포암종의 자가 항원인 AH1A5와 흑색종의 자가항원인 TRP2를 FimH와 혼합 투여한 쥐에서도 암 성장이 억제되는 것이 관찰되어 FimH가 암 자가 항원에 대한 면역 또한 증가 시켜 항암 효과를 유도할 수 있는 것을 확인하였다(도 5).In order to confirm the anticancer effect of the mixed administration of FimH and antigen, OVA and FimH, the experimental antigens, were first injected twice at 7-day intervals in black mice transplanted with OVA-expressing melanoma. In mice mixed with OVA and FimH, it was confirmed that melanoma growth was significantly inhibited compared to the control group. In addition, it was observed that cancer growth was inhibited even in mice administered with FimH, an autoantigen of epithelial cell carcinoma, AH1A5, and melanoma autoantigen, TRP2. It was confirmed that it is possible (FIG. 5).
<< 실시예Example 6> 6> FimH의FimH's 비강 투여에 따른 점막 면역 증강 효과 Mucosal immunity enhancement effect by nasal administration
FimH를 검은 쥐의 비강으로 흡입시키고 24시간 뒤 페 림프절을 적출하여 수지상 세포의 활성을 관찰하였다. 피하 주사와 유사하게 FimH는 높은 효율로 폐 림프절 수지상 세포의 활성을 유도하는 것으로 나타났으며, OT-I과 OT-II 세포 이식 후 OVA와 FimH를 비강으로 투여하였을 때도 이들 세포의 증식을 매우 높게 유도하는 것이 확인되었다. 또한, 흑색종의 정맥 이식에 따른 폐 전이 모델 검은 쥐에서 TRL2와 FimH를 혼합 투여하였을 때 폐의 암 전이가 억제되는 것이 확인되었다(도 6).FimH was inhaled into the nasal cavity of black rats, and lung lymph nodes were excised 24 hours later to observe the activity of dendritic cells. Similar to subcutaneous injection, FimH was shown to induce lung lymph node dendritic cell activity with high efficiency, and the proliferation of these cells was very high even when OVA and FimH were intranasally administered after OT-I and OT-II cell transplantation. induction was confirmed. In addition, it was confirmed that lung cancer metastasis was inhibited when TRL2 and FimH were administered in black mice, a lung metastasis model following vein transplantation of melanoma ( FIG. 6 ).
<< 실시예Example 7> 관문억제제인 항 PD-L1 항체와 7> Anti-PD-L1 antibody as a checkpoint inhibitor and FimH의FimH's 혼합 투여에 따른 항암 효과 Anticancer effect of mixed administration
최근 관문억제제인 항 PD-1과 항 PD-L1 항체가 암치료에 많이 사용되고 있으나, 이들 단백질의 발현이 낮은 환자에게서 효율이 떨어지는 경향이 있다. 이에 따라 FimH의 면역 증강 효과를 이용하여 항 PD-L1 항체와 FimH를 상피세포암종이 이식된 흰쥐에 혼합투여하여 암 성장을 확인하였다. FimH와 항 PD-L1 항체를 혼합 투여한 쥐에서는 상피세포암종의 성장이 억제되는 것이 관찰되었고, 종양 침투 세포 독성 T 림프구가 더 높은 농도의 인터페론-감마와 TNF-알파를 분비하는 것과 관찰되어 FimH가 항 PD-L1 항체의 항암효과를 향상 시킨다는 것을 알 수 있었다(도 7).Recently, anti-PD-1 and anti-PD-L1 antibodies, which are checkpoint inhibitors, have been widely used for cancer treatment, but their efficiency tends to decrease in patients with low expression of these proteins. Accordingly, using the immune-enhancing effect of FimH, anti-PD-L1 antibody and FimH were mixed and administered to epithelial cell carcinoma-transplanted rats to confirm cancer growth. In mice mixed with FimH and anti-PD-L1 antibody, the growth of epithelial cell carcinoma was inhibited, and tumor-infiltrating cytotoxic T lymphocytes secreted higher concentrations of interferon-gamma and TNF-alpha. was found to enhance the anti-cancer effect of the anti-PD-L1 antibody (FIG. 7).
<< 실시예Example 8> 8> FimH의FimH's 사람 말초 혈액 면역 세포 활성 능력 확인 Confirmation of human peripheral blood immune cell activation ability
FimH의 사람 면역 세포 활성 능력을 확인하기 위하여 사람의 말초 혈액에 있는 단핵세포를 분리하였고, FimH를 이 세포에 처리하여 24시간 배양하였다. 수지상 세포를 구획하기 위해 쥐와 유사한 방법으로 Lineage 와 CD11c를 이용하였으며, 말초 혈액 수지상 세포 아형인 BDCA1과 BDCA3으로 각각 분리하여 활성을 관찰하였다. FimH는 쥐 체내의 결과와 유사하게 사람 말초 혈액 수지상 세포 아형의 활성을 높은 효율로 유도하는 것이 확인되었으며 활성화된 수지상 세포는 자가 T 세포의 증식 및 인터페론-감마의 발현을 유도하는 것으로 확인되었다(도 8). In order to confirm the ability of FimH to activate human immune cells, mononuclear cells in human peripheral blood were isolated, treated with FimH and cultured for 24 hours. To compartmentalize dendritic cells, Lineage and CD11c were used in a manner similar to that of mice, and their activity was observed by separating them into peripheral blood dendritic cell subtypes BDCA1 and BDCA3, respectively. It was confirmed that FimH induces the activity of human peripheral blood dendritic cell subtypes with high efficiency similar to the results in the rat body, and the activated dendritic cells were confirmed to induce autologous T cell proliferation and interferon-gamma expression (Fig. 8).
이상과 같이, 본 발명은 비록 한정된 실시예와 도면에 의해 설명되었으나, 본 발명은 이것에 의해 한정되지 않으며 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자에 의해 본 발명의 기술 사상과 아래에 기재될 청구범위의 균등 범위 내에서 다양한 수정 및 변형이 가능함은 물론이다. As described above, although the present invention has been described with reference to limited embodiments and drawings, the present invention is not limited thereto, and the technical spirit of the present invention and the following by those of ordinary skill in the art to which the present invention pertains. It goes without saying that various modifications and variations are possible within the equivalent scope of the claims to be described.
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