相关实验视频
Updated: Jun 14, 2025

10:35
Stereotactic Radiosurgery for Gynecologic Cancer
Published on: April 17, 2012
18.1K
妇科瘤辐射对免疫系统的影响
Jesus Romero Fernandez1, Sofia Cordoba Largo1, Raquel Benlloch Rodriguez1
1Radiation Oncology Department, Hospital Universitario Puerta de Hierro, C. Joaquín Rodrigo 1, 28222 Majadahonda, Spain.
Cancers
|August 29, 2024
概括
放射治疗会影响免疫系统,可能会增强抗瘤反应或导致免疫抑制. 了解这些影响对于将放射 (RT) 与免疫疗法结合起来至关重要,特别是在妇科癌症中.
科学领域:
- 放射生物学和免疫学
- 瘤微环境 (TME) 研究
- 癌症免疫疗法癌症免疫疗法
背景情况:
- 放射生物学模型已经从DNA损伤扩展到包括免疫系统和TME相互作用.
- 辐射具有双重的免疫调节作用:促进抗瘤免疫和免疫抑制.
- 放射治疗 (RT) 通过细胞因子和内皮损伤影响炎症环境,招募免疫细胞.
研究的目的:
- 审查辐射诱导免疫反应的机制.
- 探索将RT与免疫治疗结合在一起的理由.
- 在可能的情况下,专注于妇科癌症应用.
主要方法:
- 对放射生物学和癌症免疫学现有文献的综述.
- 辐射诱导免疫细胞死亡 (ICD) 和其组成部分 (DAMP,瘤抗原) 的分析.
- 通过树突细胞和CD8+ T细胞介导的abscopal效应 (AE) 的检查.
主要成果:
- 辐射诱导的ICD触发了先天性和适应性抗瘤免疫.
- 绝缘效应表明免疫反应远离被辐射的部位.
- 辐射还通过瘤相关巨细胞 (TAMs) 和调节性T淋巴细胞 (Tregs) 诱导免疫抑制.
结论:
- 放射治疗对免疫系统有复杂的,往往相反的作用.
- 了解这些机制有助于结合RT和免疫疗法.
- 需要进一步的研究,特别是对于妇科恶性瘤.
相关概念视频
Tumor Immunotherapy
493
Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
493
Cancer Therapies
7.6K
Cancer therapies are various modes of treatment, such as surgery, radiation therapy, and chemotherapy that are administered to cancer patients.
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
However, cancer treatments can pose several challenges, as therapies used to kill cancer cells are generally also toxic to normal cells. Moreover, cancer cells mutate rapidly and can develop resistance to chemical agents or radiation therapy. Besides, all types of cancer cells may not respond to the same therapy. Some cancer cells respond to one...
7.6K
Disorders of the Female Reproductive System
338
The female reproductive system can be affected by several disorders, including Premenstrual Syndrome (PMS), Premenstrual Dysphoric Disorder (PMDD), endometriosis, and various forms of cancer. PMS and PMDD are cyclical conditions that cause physical and emotional distress, with symptoms that include edema, mood swings, and food cravings. PMDD is a more severe form of PMS characterized by increased symptom severity that peaks during the luteal phase and tends to improve or resolve shortly after...
338
Cancer Vaccines
347
Cancer treatment vaccines are a rapidly evolving field that offers a promising approach to immunotherapy. Unlike traditional vaccines that prevent diseases, cancer treatment vaccines are designed to treat existing cancers by stimulating the immune system to recognize and attack cancer cells.
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
Cancer vaccines come in two categories: preventive (prophylactic) and treatment (active). Preventive vaccines, such as the Human Papillomavirus (HPV) vaccine, protect against viruses that cause certain...
347
Biological Effects of Radiation
15.4K
All radioactive nuclides emit high-energy particles or electromagnetic waves. When this radiation encounters living cells, it can cause heating, break chemical bonds, or ionize molecules. The most serious biological damage results when these radioactive emissions fragment or ionize molecules. For example, α and β particles emitted from nuclear decay reactions possess much higher energies than ordinary chemical bond energies. When these particles strike and penetrate matter, they...
15.4K
Cytotoxic T Cells-mediated Immune Response
861
Cytotoxic T cells are a vital component of the immune system. They have the remarkable ability to identify and target antigens on infected or abnormal cells. These antigens often originate from intracellular pathogens such as viruses or abnormal proteins cancer cells produce.
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
861

