Angiogenesis is considered a hallmark pathophysiological process in tumor development. Aberrant vasculature resulting from tumor angiogenesis plays a critical role in the development of resistance to breast cancer tre...Angiogenesis is considered a hallmark pathophysiological process in tumor development. Aberrant vasculature resulting from tumor angiogenesis plays a critical role in the development of resistance to breast cancer treatments, via exacerbation of tumor hypoxia, decreased effective drug concentrations within tumors, and immune-related mechanisms. Antiangiogenic therapy can counteract these breast cancer resistance factors by promoting tumor vascular normalization. The combination of antiangiogenic therapy with chemotherapy, targeted therapy, or immunotherapy has emerged as a promising approach for overcoming drug resistance in breast cancer. This review examines the mechanisms associated with angiogenesis and the interactions among tumor angiogenesis, the hypoxic tumor microenvironment, drug distribution, and immune mechanisms in breast cancer. Furthermore, this review provides a comprehensive summary of specific antiangiogenic drugs, and relevant studies assessing the reversal of drug resistance in breast cancer. The potential mechanisms underlying these interventions are discussed, and prospects for the clinical application of antiangiogenic therapy to overcome breast cancer treatment resistance are highlighted.展开更多
Objective： Being antigen-presenting cells, dendritic cells （DCs） transport captured antigen from peripheral tissues to T cell zone of lymph nodes via lymphatic vessels. This migration is essential for the presentat...Objective： Being antigen-presenting cells, dendritic cells （DCs） transport captured antigen from peripheral tissues to T cell zone of lymph nodes via lymphatic vessels. This migration is essential for the presentation of antigen that leads to priming of effector T cell responses. In this study, we tried to promote the migratory ability of mouse bone marrow-derived dendritic cells （BMDCs） loaded with antigen of breast cancer, and its immunological effect in vivo. Methods： After being loaded with breast carcinoma antigen, BMDCs were cultured with medium containing PGE2, LTC4, or Bryo-1 respectively. Phenotypic changes, CCR7 expression, chemotaxis assay, mixed lymphocyte response, specific T lymphocyte cytotoxicity assay and anti-tumor immune efficacy of BMDCs were observed. Results ： PGF2 and LTC4 promoted maturation, CCR7 expression and migratory ability of BMDCs compared with control group in vitro. In vivo PGE2 and LTC4 group vaccines were more efficient on suppressing growth of mouse breast cancer than other groups. However Bryo-1 only enhanced BMDCs maturation. Conclusion： Because the effect of specific CTL in vitro had no difference, we suggested that migration of dendritic cells to lymph nodes maybe answered for the better anti-tumor immunological response induced by PGE2 or LTC4 in vivo.展开更多
Cancer Rehabilitation is a new discipline,a combination of tumor medication,immunology,psychology,nutritional science and exercise physiology etc..The core of cancer rehabilitation is the therapy of natural immunology...Cancer Rehabilitation is a new discipline,a combination of tumor medication,immunology,psychology,nutritional science and exercise physiology etc..The core of cancer rehabilitation is the therapy of natural immunology,which aims at activating T-cells,and restoring the bone marrow function impaired during chemo-radiation therapy.Cancer rehabilitation seeks to achieve the gradual recovery of the immune system,which in turn hinders recurrence and metastasis.In addition,with the help of psychological consultation,nutritional and physical exercise guidance,cancer patients may have a better chance at managing the risk of recurrence and metastasis,extending life expectancy with an improved quality of life.展开更多
基金supported by the National Natural Science Foundation of China (Grant No. 81973861)Zhejiang Provincial Ministry Medical and Health Co-construction Major Project (Grant No. 20214355173)+2 种基金Zhejiang Science and Technology Department“Vanguard”“Leading Goose”research (Grant No. 2023C03044)Zhejiang Provincial Health“Leading Talents”ProjectZhejiang Medical and Health Science and Technology Project (Grant No. 2022KY558)。
文摘Angiogenesis is considered a hallmark pathophysiological process in tumor development. Aberrant vasculature resulting from tumor angiogenesis plays a critical role in the development of resistance to breast cancer treatments, via exacerbation of tumor hypoxia, decreased effective drug concentrations within tumors, and immune-related mechanisms. Antiangiogenic therapy can counteract these breast cancer resistance factors by promoting tumor vascular normalization. The combination of antiangiogenic therapy with chemotherapy, targeted therapy, or immunotherapy has emerged as a promising approach for overcoming drug resistance in breast cancer. This review examines the mechanisms associated with angiogenesis and the interactions among tumor angiogenesis, the hypoxic tumor microenvironment, drug distribution, and immune mechanisms in breast cancer. Furthermore, this review provides a comprehensive summary of specific antiangiogenic drugs, and relevant studies assessing the reversal of drug resistance in breast cancer. The potential mechanisms underlying these interventions are discussed, and prospects for the clinical application of antiangiogenic therapy to overcome breast cancer treatment resistance are highlighted.
文摘Objective： Being antigen-presenting cells, dendritic cells （DCs） transport captured antigen from peripheral tissues to T cell zone of lymph nodes via lymphatic vessels. This migration is essential for the presentation of antigen that leads to priming of effector T cell responses. In this study, we tried to promote the migratory ability of mouse bone marrow-derived dendritic cells （BMDCs） loaded with antigen of breast cancer, and its immunological effect in vivo. Methods： After being loaded with breast carcinoma antigen, BMDCs were cultured with medium containing PGE2, LTC4, or Bryo-1 respectively. Phenotypic changes, CCR7 expression, chemotaxis assay, mixed lymphocyte response, specific T lymphocyte cytotoxicity assay and anti-tumor immune efficacy of BMDCs were observed. Results ： PGF2 and LTC4 promoted maturation, CCR7 expression and migratory ability of BMDCs compared with control group in vitro. In vivo PGE2 and LTC4 group vaccines were more efficient on suppressing growth of mouse breast cancer than other groups. However Bryo-1 only enhanced BMDCs maturation. Conclusion： Because the effect of specific CTL in vitro had no difference, we suggested that migration of dendritic cells to lymph nodes maybe answered for the better anti-tumor immunological response induced by PGE2 or LTC4 in vivo.
文摘Cancer Rehabilitation is a new discipline,a combination of tumor medication,immunology,psychology,nutritional science and exercise physiology etc..The core of cancer rehabilitation is the therapy of natural immunology,which aims at activating T-cells,and restoring the bone marrow function impaired during chemo-radiation therapy.Cancer rehabilitation seeks to achieve the gradual recovery of the immune system,which in turn hinders recurrence and metastasis.In addition,with the help of psychological consultation,nutritional and physical exercise guidance,cancer patients may have a better chance at managing the risk of recurrence and metastasis,extending life expectancy with an improved quality of life.
