KR20200057765A - 염증이 생긴 사람 피부의 생체외 모델 및 소염 화합물을 스크리닝하기 위한 이의 용도 - Google Patents
염증이 생긴 사람 피부의 생체외 모델 및 소염 화합물을 스크리닝하기 위한 이의 용도 Download PDFInfo
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Abstract
Description
도 1은 수동 주사 또는 주입에 의해 수득된 염색 강도(staining intensity)의 구배를 비교함에 의한 피부 생검 내로 염색된 용액의 수동(M) 또는 주입(P) 피내 주사 및 이의 확산을 나타낸다.
도 2는 본 발명의 방법의 단계 a) 및 b)에 따라 처리된 또는 비처리된(C) 건강한 피부 생검(Th17/Th1)의 조직학적 특성을 비교한다. 관찰은 분극화 용액 속에서 본 발명의 방법의 단계 a)로부터 주사된 건강한 피부 생검의 항온처리를 시작한 후 5일(T5) 또는 7일(T7) 째에 관찰하였다. IL-1β, IL-23, 및 TGFβ의 적어도 하나의 혼합물을 포함하는 조성물의 존재하에서 7일의 배양 후, 표피내 해면화(S) 및 표피 융기(E)의 신장이 관찰되었다.
도 3은 비처리되고(T0) 7일 동안 배양물 속에 유지시킨(T7) 건강한 피부 생검 속에서 랑케르한스 세포(CD207), 내재하는 T 세포(CD3), 수지 세포(HLA-DR), 및 비만 세포(트립타제)의 존재의 조직학적 분석을 나타낸다.
도 4는 본 발명의 방법의 단계 a) 및 b)에 따라 처리된 모델(Th17/Th1)에서 LTh17 및 LTh1의 존재를 나타내는 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델에 의한 전-염증성 사이토킨 IL-17A 및 IL-22의 분비를 나타낸다. 처리되지 않은 건강한 피부 생검(1-NativeSkin®), 본 발명의 방법의 단계 b)의 분극화 칵테일의 존재하에서 배양된 건강한 피부 생검(2-NativeSkin® + 전(pro) Th17/Th1), 본 발명의 방법의 단계 a) 및 b)에 따라 처리된 건강한 피부 생검(3-InflammaSkin®)을 비교한다. 결과는 pg/ml로 나타낸다.
도 5는 비처리(C) 또는 본 발명의 단계 b)에 따라 (IL-1β+IL-23+TGFβ) 만으로 처리하거나 또는 단계 a) 및 b)(항-CD3+항-CD28+IL-2+IL-1β+IL-23+TGFβ)에 따라 처리하고, 배양 7일 후인 건강한 피부 생검의 조직학적 특성을 나타낸다. 이러한 생검은 처리되지 않거나(1), 위약 겔로 처리하거나(2), 위약 크림으로 처리하거나(4), 또는 2개의 염증 억제제 베타메타손 디-프로피오네이트(3) 및 포스포디에스테라제 제4형 억제제(5)로 처리하였다. 염증 억제제(3 및 5)를 사용한 처리 만이 표피내 조직학적 비정상의 전체적인 부재를 야기하며 이는 전-염증성 사이토킨 분비의 억제, 및 따라서 LTh17/LTh1 세포 분화의 억제를 시사한다.
도 6은 예방학적(A) 또는 치료학적(B) 처리로서 IL-17A 단백질 합성의 억제를 나타낸다. 비처리(1), 또는 위약 겔로 처리한(2), 베타메타손 디-프로피오네이트를 포함하는 겔로 처리한(3), 위약 크림 처리한(4), 또는 PDE4 억제제를 포함하는 크림으로 처리한(5) 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델을 비교한다. 결과는 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델과 관련하여 %로서 나타내며 좌측은 비처리(1)를 나타낸다.
도 7은 예방학적(A) 또는 치료학적(B) 처리로서 IL-22 단백질 합성의 억제를 나타낸다. 비처리(1), 또는 위약 겔로 처리된(2), 베타메타손 디-프로피오네이트를 포함하는 겔로 처리된(3), 위약 크림 처리된(4), 또는 PDE4 억제제를 포함하는 크림으로 처리된(5) 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델을 비교한다. 결과는 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델과 관련하여 %로 나타내며 좌측은 비처리(1)를 나타낸다.
도 8은 예방학적(A) 또는 치료학적(B) 처리로서 IFNγ 단백질 합성의 억제를 나타낸다. 비처리된(1), 또는 위약 겔(2), 베타메타손 디-프로피오네이트를 포함하는 겔(3), 위약 크림(4), 또는 PDE4 억제제(5)를 포함하는 겔로 처리된 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델을 비교한다. 결과는 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델과 관련하여 %로 나타내며 좌측은 비처리(1)를 나타낸다.
도 9는 예방학적(A) 또는 치료학적(B) 처리로서 TNFα 단백질 합성의 억제를 나타낸다. 비처리된(1), 또는 위약 겔(2), 베타메타손 디-프로피오네이트를 포함하는 겔(3), 위약 크림(4), 또는 PDE4 억제제(5)를 포함하는 겔로 처리된 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델을 비교한다. 결과는 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 모델과 관련하여 %로 나타내며 좌측은 비처리(1)를 나타낸다.
도 10은 본 발명의 방법에 의해 수득된 염증이 생긴 피부의 생체외 모델의 개략적 표시이다. 이의 하단이 다공성 막(40)으로 이루어진, 세포 배양 삽입체(10)는 고화된 매트릭스(20) 속에 포매된(embedded) 염증이 생긴 피부(30)의 생체외 모델을 함유한다. 특수한 구현예에서, 세포 배양물 삽입체는 상기 염증이 생긴 피부의 생체외 모델의 표피 표면에 부착된 소수성 물질(50)로 이루어진 러그(lug)(60) 및 환(ring)을 갖는다.
도 11은 사람 피부 생검의 진피 세포를 포함하는 항-CD3 항체의 능력을 나타낸다. 생검의 진피 내로 항-CD3e 항체의 직접적인 주사(진피내 주사(II) - 좌측 패널), 및 피부 생검이 부유하는 세포 배지 속에 위치한 항-CD3e 항체의 확산(배양 배지에 가함(AMC)-우측 패널)을 비교한다. 2개의 별개의 생검을 시험하였다(반복체(R) 1 및 2). 백색 화살표는 항-CD3 항체를 포함한 진피 세포를 확인한다. 백색 별은 피부 생검 중 하나의 표피 표면 상의 항-CD3 항체의 존재를 나타낸다(상단 우측 패널).
도 12는 사람 피부 생검의 진피 세포내 항-CD3 항체의 세포하부 국재화(subcellular location)를 나타낸다. 항-CD3e 항체는 생검의 진피내로 직접 주사되었다.
도 13은 염증이 없는(C), 본 발명의 방법에 따라 염증이 생긴(I), 염증이 생기고 예방학적 처리(I + 항-TNF-α-P)로서, 또는 치료학적 처리(I + 항-TNF-α- T)로서 항-TNF-α 항체의 피하 주사로 처리한 피부 생검의 조직학적 특성을 나타낸다.
도 14는 염증이 없는(C), 본 발명의 방법에 따라 염증이 생긴(I), 본 발명의 방법에 따라 염증이 생기고 예방학적 처리(I + 항-TNF-α-P)로서, 또는 치료학적 처리(I + 항-TNF-α- T)로서, 항-TNF-α 항체의 피하 주사로 처리한 피부 생검에 의한 IL-22의 단백질 합성을 나타낸다. 결과는 pg/ml로 나타낸다.
Claims (12)
- 다음의 단계를 포함하는 염증이 생긴 피부의 생체외 모델을 수득하기 위한 시험관내 방법:
a) 포유동물로부터 미리 채취한 건강한 피부 생검의 진피 내로, 진피 내재성(dermal resident) T 세포를 활성화하기 위한 유효량의 항-CD3 항체 및 항-CD28 항체, 및 임의로 IL-2를 포함하는 조성물을 주사하는 단계,
b) LTh1 및/또는 LTh17로 단계 a)에서 활성화된 T 세포의 분극화 및 염증 마커의 합성을 수득하기 위한, IL-1β, IL-23, 및 TGF-β의 적어도 하나의 혼합물의 유효량을 포함하는 조성물의 존재하에서 단계 a)에서 수득된 주사된 피부 생검을 항온처리하는 단계. - 제1항에 있어서, 단계 a)가 수동으로 수행되는 방법.
- 제1항 또는 제2항에 있어서, 항온처리 단계 b)가 적어도 5일 동안 지속되는 방법.
- 제1항 내지 제3항 중 어느 한 항에 있어서, 단계 a)와 b) 사이에 고화시킬 수 있는 액체 매트릭스 상에서 단계 a)의 말기에 수득된 주사된 피부 생검을 침착시키는 추가의 단계 a')를 포함하는 방법으로서, 상기 매트릭스는 자체적으로 이의 바닥이 다공성 막으로 이루어진 세포 배양 삽입체내에 함유되고 상기 삽입체가 용기 또는 웰(well) 속에 배열됨으로써, 일단 매트릭스가 고화되면, 피부 생검의 3D 통합성(integrity)이 유지되도록 하는 방법.
- 제1항 내지 제4항 중 어느 한 항에 있어서,
방법의 단계 a)에서 주사된 조성물 속의 농도가 다음 중의 하나인 방법:
- 항-CD3 및 항-CD28 항체의 경우 10 ng/μl 내지 100 ng/μl, 바람직하게는 20 ng/μl 내지 80 ng/μl, 및 특히 바람직하게는 30 ng/μl 내지 70 ng/μl, 및 임의로
- IL-2의 경우 1 ng/ml 내지 20 ng/ml, 바람직하게는 2 ng/ml 내지 15 ng/ml, 및 특히 바람직하게는 4 ng/ml 내지 12 ng/ml. - 제1항 내지 제5항 중 어느 한 항에 있어서, 방법의 단계 b)에서 사용된 조성물의 적어도 하나의 혼합물 속의 농도가 다음 중의 하나인 방법:
- IL-1β 및 TGFβ의 경우 1 ng/ml 내지 50 ng/ml, 바람직하게는 5 ng/ml 내지 30 ng/ml, 및 특히 바람직하게는 7 ng/ml 내지 15 ng/ml, 및
- IL-23의 경우 10 ng/ml 내지 100 ng/ml, 바람직하게는 20 ng/ml 내지 80 ng/ml, 및 특히 바람직하게는 30 ng/ml 내지 60 ng/ml. - 제1항 내지 제6항 중 어느 한 항에 있어서, 화합물의 소염 효능을 평가하는 것을 추가의 목표로 하며 다음의 추가의 단계를 포함하는 방법:
c) 단계 b)의 말기에 수득되고 LTh-1- 및/또는 LTh17-분극화된 T 세포를 포함하는 염증이 생긴 피부의 모델을 후보물 화합물과 접촉시키는 단계;
d) 염증이 생긴 피부의 모델의 적어도 2개의 염증 마커의 발현 수준을 측정하는 단계;
e) 단계 d)에서 수득된 상기 적어도 2개의 염증 마커의 발현 수준을 이들의 대조군 발현 수준과 비교하는 단계;
f) 단계 d)에서 측정된 상기 적어도 2개의 염증 마커의 발현 수준이 이들의 대조군 발현 수준보다 낮은 경우 상기 후보물 화합물의 소염 효능을 확인하는 단계. - 제7항에 있어서, 단계 d)에서 IL-8, IL-17A, IL-22, IL-23, IFNγ, TNFα, S100A7, S100A8, S100A9, S100A12, SERPINB3, SERPINB4, SERPINB13, DEFB4, KRT6A, KRT16, KRT17, CXCL9, CXCL10, CCL18, 및 CCL20으로 이루어진 그룹으로부터 선택된 적어도 3개, 특히 적어도 4개, 바람직하게는 적어도 5개, 및 특히 바람직하게는 적어도 6개의 염증 마커의 발현 수준을 측정하는 단계를 포함하는 방법.
- 제1항 내지 제6항 중 어느 한 항에 따른 방법에 의해 수득가능하고 IL-8, IL-17A, IL-22, IL-23, IFNγ, TNFα, S100A7, S100A8, S100A9, S100A12, SERPINB3, SERPINB4, SERPINB13, DEFB4, KRT6A, KRT16, KRT17, CXCL9, CXCL10, CCL18, 및 CCL20으로 이루어진 그룹으로부터 선택된 적어도 2개의 염증 마커, 또는 적어도 3개 또는 적어도 4개, 바람직하게는 적어도 5개, 및 특히 바람직하게는 적어도 6개의 염증 마커의 발현에 의해 특징화되는, 진피, 표피, 표피 부속물, 및 Th1 및/또는 Th17 세포를 포함하는 염증이 생긴 피부의 생체외(ex vivo) 모델.
- 용기 또는 배양 박스 웰 속에 함유시키기에 적합하고, 이의 바닥이 다공성 막(40)으로 이루어진, 세포 배양 삽입체(10)로서, 상기 삽입체가 고화된 매트릭스(20)에 포매된 제9항에 따른 염증이 생긴 피부(30)의 생체외 모델을 함유하며, 상기 매트릭스는 삽입체의 내부 가장자리 및 다공성 막과 접촉되며, 염증이 생긴 피부의 생체외 모델의 표피는 대기와 접촉되며 염증이 생긴 피부의 생체외 모델의 진피 및 표피 부속물은 고화된 매트릭스 속에 침지되는, 세포 배양 삽입체(10).
- 소염성 화합물, 특히 항-건선 화합물을 확인하기 위한, 제9항에 따른 염증이 생긴 피부의 생체외 모델 또는 제10항에 따른 세포 배양 삽입체의 용도.
- 포유동물로부터 이미 채취한 건강한 피부 생검, 유효량의 항-CD3 항체 및 항-CD28 항체, 및 임의로 IL-2를 포함하는 조성물 A, IL-1β, IL-23, 및 TGFβ의 적어도 하나의 혼합물을 포함하는 조성물 B 및 임의로 주입 장치를 포함하는, 제1항 내지 제8항 중 어느 한 항에 따른 방법을 시행하기 위한 키트.
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| FR1771020A FR3071508B1 (fr) | 2017-09-26 | 2017-09-26 | Modele ex vivo de peau humaine inflammee et ses utilisations pour le criblage de composes anti-inflammatoires |
| PCT/EP2018/000448 WO2019063122A1 (fr) | 2017-09-26 | 2018-09-25 | Modele ex vivo de peau humaine inflammee et ses utilisations pour le criblage de composes anti-inflammatoires |
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| EP3940058A1 (en) | 2020-07-16 | 2022-01-19 | Genoskin | Microfluidic system to control perfusion, diffusion and collection of molecules over long periods in an ex-vivo skin model |
| FR3123125B1 (fr) * | 2021-05-20 | 2025-08-15 | Genoskin | Modèle humain ex vivo destiné à l’évaluation du potentiel inflammatoire de type allergique ou pseudo-allergique |
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| WO2019063122A1 (fr) | 2019-04-04 |
| EP3688141B1 (fr) | 2022-11-09 |
| FR3071508A1 (fr) | 2019-03-29 |
| DK3688141T3 (da) | 2022-12-12 |
| FR3071508B1 (fr) | 2022-07-29 |
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| US12071648B2 (en) | 2024-08-27 |
| US20200347429A1 (en) | 2020-11-05 |
| EP3688141A1 (fr) | 2020-08-05 |
| JP2020535402A (ja) | 2020-12-03 |
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