晚期突肉瘤的治疗策略:从化疗到TCR工程T细胞疗法
Tomoki Nakamura1, Masahiro Hasegawa2
1Department of Orthopaedic Surgery, Mie University Graduate School of Medicine, 2-174 Edobashi, Tsu, Mie, 514-8507, Japan. tomoki66@med.mie-u.ac.jp.
International journal of clinical oncology
|March 24, 2025
概括
针对癌症丸抗原的T细胞受体 (TCR) 工程T细胞疗法对晚期阴囊肉瘤 (SS) 显示出有前途. 这种方法为复发后预后不佳的患者提供了潜在的新治疗选择.
科学领域:
- 在瘤学瘤学.
- 免疫治疗是一种免疫疗法.
- 细胞疗法细胞疗法
背景情况:
- 突肉瘤 (SS) 是儿科和青少年群体中普遍存在的软组织肉瘤.
- 复发性SS的预后不好,除了标准化疗之外,有效的治疗选择有限.
- 采用细胞疗法,特别是T细胞受体 (TCR) 设计的T细胞疗法,是克服瘤免疫耐受性的新兴策略.
研究的目的:
- 评估TCR工程T细胞疗法针对癌症丸抗原 (NY-ESO-1和MAGE-A4) 的潜力,作为晚期突肉瘤的新疗法.
- 为了突出这一方法的承诺,考虑到这些抗原在SS瘤中的高表达和现有治疗方法的局限性.
主要方法:
- 特定于瘤抗原 (NY-ESO-1,MAGE-A4) 的TCRα和β链的基因转移到T细胞中.
- 在体外调节,操纵和选择T细胞以增强抗瘤反应.
- 临床试验评估TCR工程T细胞疗法的疗效和安全性,用于高级SS患者.
主要成果:
- 涉及TCR工程T细胞治疗的临床试验针对NY-ESO-1和MAGE-A4已经显示出显著的前景.
- 在几项试验中报告了40-60%的客观反应率,这表明了治疗潜力.
- 这种方法利用癌症丸抗原,这是有吸引力的目标,因为在正常组织中的表达受到限制,并有可能激活T细胞.
结论:
- 针对NY-ESO-1和MAGE-A4的TCR工程T细胞疗法代表了高级突肉瘤的有前途的新疗法选择.
- 进一步的研究对于确定最佳的临床应用和标准治疗方案至关重要,特别是在化疗失败后.
- 建立清晰的治疗途径对于将这种创新疗法整合到高级SS的临床实践中至关重要.
更多相关视频
12:55Generation of CAR T Cells for Adoptive Therapy in the Context of Glioblastoma Standard of Care
Published on: February 16, 2015
21.3K
09:34Dynamic Imaging of Chimeric Antigen Receptor T Cells with [18F]Tetrafluoroborate Positron Emission Tomography/Computed Tomography
Published on: February 17, 2022
3.3K
相关概念视频
Tumor Immunotherapy
450
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.
450
Targeted Cancer Therapies
7.4K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
7.4K
Cancer Therapies
7.5K
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...
7.5K
Combination Therapies and Personalized Medicine
4.8K
Combining two or more treatment methods increases the life span of cancer patients while reducing damage to vital organs or tissue from the overuse of a single treatment. Combination therapy also targets different cancer-inducing pathways, thus reducing the chances of developing resistance to treatment.
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
The combination of the drug acetazolamide and sulforaphane is a good example of combination therapy to treat cancer. The cells in the interior of a large tumor often die due to the hypoxic and...
4.8K
Treatment Resistant Cancers
3.2K
Cancer is the second leading cause of death in the United States. A cancer cell is genetically unstable and hence can mutate faster. They can also modify their microenvironment and escape immune surveillance. The difficulties in treating cancer are further compounded by the emergence of rapid resistance to anticancer drugs. The most common ways to attain resistance in cancer cells include alteration in drug transport and metabolism, modification of drug target, elevated DNA damage response, or...
3.2K
Stem Cell Therapy for Tissue Regeneration
4.0K
Stem cell therapy is a method used in regenerative medicine to repair and restore function to damaged tissues and organs. Stem cells have the potential to proliferate and differentiate into various tissue types, making them ideal candidates for tissue regeneration. For example, hematopoietic stem cell transplants are commonly used in blood cancer treatment to replenish damaged bone marrow and restore healthy blood cells.
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
Types of Stem Cells used in Stem Cell Therapy
The two main cell...
4.0K
