Mécanisme du Wumei Wan dans l'inhibition du cancer colorectal métastatique via la polarisation des macrophages associés à la tumeur M1

  • role: First author第一作者
  • Affiliation:

    Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine(TCM),Shanghai 201203,China

  • Email:saber930607@163.com
  • Introduction:陈念芝,博士,从事中医药防治恶性肿瘤研究,E-mail: saber930607@163.com
CHEN Nianzhi1,  
  • Affiliation:

    Affiliated Hospital of Chengdu University of TCM,Chengdu 610075,China

TANG Shiyun2,  
  • Affiliation:

    Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine(TCM),Shanghai 201203,China

FENG Yuanyuan1,  
  • Affiliation:

    Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine(TCM),Shanghai 201203,China

WANG Yan1,  
  • role: Corresponding author通信作者
  • Affiliation:

    Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine(TCM),Shanghai 201203,China

  • Email:liuningning689@126.com
  • Introduction:刘宁宁,博士,副主任医师,副教授,硕士生导师,从事中医药防治消化道恶性肿瘤研究,E-mail:liuningning689@126.com
LIU Ningning1*

résumé

L'objectif est d'explorer l'effet de la formule Wumei Wan sur le processus métastatique hépatique et pulmonaire du cancer colorectal métastatique, ainsi que ses mécanismes d'action potentiels. Méthodes: les souris ont été réparties aléatoirement en groupe témoin, groupes à faible et haute dose de Wumei Wan (20 et 40 g·kg⁻¹) et groupe paclitaxel (0,01 g·kg⁻¹), puis des modèles de métastases hépatiques et pulmonaires du cancer colorectal ont été établis. Une intervention médicamenteuse a duré 4 semaines, la masse corporelle des souris, ainsi que la masse hépatique et pulmonaire et la survie ont été enregistrées. L’hématoxyline-éosine (HE) a permis d’évaluer l’effet de Wumei Wan sur les métastases hépatiques et pulmonaires. Une PCR en temps réel a mesuré l’impact sur les niveaux d’ARNm des marqueurs macrophagiques M1 et M2 dans les tissus hépatiques et pulmonaires. La cytométrie en flux a examiné l’effet sur les marqueurs macrophagiques M1 CD80 et CD86. Résultats: dans le modèle, comparé au groupe contrôle, les groupes Wumei Wan et paclitaxel ont présenté une diminution significative de la masse corporelle et des organes (P<0,01) et une survie prolongée (P<0,01). L’histopathologie a montré une inhibition des métastases. La PCR a révélé une augmentation significative des marqueurs M1 (IL-1β, IL-6, TNF-α, iNOS, PTGS2) et une baisse des marqueurs M2 (Arg1, CD163, CD206) (P<0,01). La cytométrie a montré une augmentation des CD86 et CD80 (P<0,01). L’immunohistochimie a confirmé l’augmentation de l’expression de CD86 et l’inhibition de CD206. Conclusion: Wumei Wan inhibe les métastases hépatiques et pulmonaires du cancer colorectal via la polarisation des macrophages M1 associés à la tumeur.

mots-clés

Wumei Wan;cancer colorectal;métastases hépatiques;métastases pulmonaires;macrophages

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