老龄化,免疫健康和癌症
Melissa Dolan1,2, Kendra A Libby3,4,5, Alison E Ringel3,4,5
1Hematology Division, Department of Medicine, Brigham & Women's Hospital, Boston, MA, USA.
Nature reviews. Cancer
|August 15, 2025
概括
衰老显著改变了免疫健康状况,影响了身体对抗癌症和响应免疫疗法的能力. 了解这些与年龄相关的免疫变化对于改善癌症治疗至关重要.
科学领域:
- 免疫学 免疫学 免疫学
- 老年学是指老年学的学科.
- 癌症生物学 癌症生物学
背景情况:
- 免疫系统在一生中发生变化,影响免疫细胞功能和再生能力.
- 衰老影响免疫健康,影响对感染,病原体,恶性瘤和自我耐受性的反应.
- 新出现的证据将与年龄相关的免疫变化与抗瘤免疫力和免疫疗法的有效性联系起来.
研究的目的:
- 审查最近对人类瘤微环境的年龄解决免疫分析的见解.
- 讨论老化造血如何影响瘤微环境中的免疫细胞和癌症进展.
- 通过使用临床前模型和临床数据,探索免疫衰老对瘤控制的功能影响.
主要方法:
- 高维免疫选技术用于分析免疫细胞的组成和功能.
- 人类瘤微环境的年龄分层分析.
- 临床前建模研究免疫衰老对癌症的影响.
- 对新出现的年龄分层治疗反应数据的审查.
主要成果:
- 老龄化重塑抗瘤免疫力,并影响免疫疗法的疗效.
- 血液形成与年龄相关的变化会影响瘤微环境中的免疫细胞.
- 免疫衰老的功能后果影响瘤控制.
- 根据年龄分层的分析开始告知老龄化如何影响免疫治疗结果.
结论:
- 衰老是一个关键的生物变量,必须纳入癌症研究和治疗策略.
- 在临床前模型和临床试验设计中,考虑年龄至关重要.
- 需要进一步的研究来解决了解免疫衰老和癌症的关键挑战和优先事项.
更多相关视频
07:58Quantitative Imaging of Lineage-specific Toll-like Receptor-mediated Signaling in Monocytes and Dendritic Cells from Small Samples of Human Blood
Published on: April 16, 2012
35.2K
06:35A Mouse Model to Investigate the Role of Cancer-Associated Fibroblasts in Tumor Growth
Published on: December 22, 2020
4.6K
相关概念视频
01:19Psychoneuroimmunology: Diabetes and Cancer
62
Chronic stress has been linked to both the onset and progression of serious health conditions, including Type 2 diabetes and cancer. Type 2 diabetes, a widespread chronic illness, is closely associated with obesity and insulin resistance, both of which often worsen under stress. Studies indicate that men experiencing high levels of chronic stress face a 45% higher risk of developing diabetes compared to those with minimal stress. Stress triggers physiological responses that elevate blood...
62
01:19The Effect of Aging on Tissues
2.4K
Several body functions deteriorate with age. The external signs of aging are easily identifiable. For example, the skin becomes dry, less elastic, and thins out, forming wrinkles. The skin of the face begins to appear looser due to a decrease in the levels of elastic and collagen fibers in the connective tissue. Additionally, melanin production in the hair follicle decreases with age, resulting in gray hair. Moreover, the senses of sight and hearing decline, so glasses and hearing aids may...
2.4K
01:26Factors Affecting the Risk of Infection
12.3K
The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
12.3K
01:26Aging
182
Aging is a complex biological phenomenon influenced by various processes that affect cellular and systemic functions. Several prominent theories attempt to explain its mechanisms, highlighting cellular limitations, oxidative damage, and hormonal changes as central factors in aging.
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
Cellular Clock Theory
The cellular clock theory posits that the human lifespan is closely tied to the finite capacity of cells to divide, a phenomenon governed by telomeres, which are protective caps at the ends of...
182
01:27Tumor Immunotherapy
660
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.
660
02:53Adaptive Mechanisms in Cancer Cells
5.9K
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
5.9K