RNF43 p.G659fs 通过 PI3K/AKT/mTOR 信号通路和 HLA-E 上调导致 MSI-high 结直肠癌中 NK 细胞功能障碍
RNF43 p.G659fs leads to natural killer cell dysfunction in MSI-high colorectal cancer through PI3K/AKT/mTOR signaling and HLA-E up-regulation.
CELL INTELLIGENCE · 肿瘤细胞治疗研究
肿瘤细胞治疗研究
英文原题:Advances in cell therapy for testicular cancer: a comprehensive overview of immunotherapy and stem cell therapy.
Advances in cell therapy for testicular cancer: a comprehensive overview of immunotherapy and stem cell therapy.
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睾丸癌是青少年和年轻男性中最常见的癌症类型。大多数病例对应睾丸生殖细胞肿瘤(TGCTs)。睾丸癌治疗必须个性化,以尽量减少长期副作用、保护生活质量并提高治愈率。如果我们想减少当前治疗的副作用并最大化其疗效,开发治疗睾丸癌的新方法至关重要。由于近期的进展,出现了在各种类型癌症(包括生殖细胞肿瘤(GCTs))中研究免疫治疗药物疗效的机会,特别是免疫检查点抑制剂(ICIs)。免疫治疗是抗击转移性或顺铂耐药性睾丸癌的研究热点,这种疾病迄今一直难以用常规医学攻克。
因此,随着免疫治疗的引入,治疗TGCT患者的新途径已经出现。癌-睾丸抗原(CTAs)是一组仅在癌细胞和特定生殖系细胞中表达的基因。目前正在开展大量工作,利用CTAs开发肿瘤疫苗和T细胞治疗。在治疗那些复发或对高剂量化疗和自体干细胞移植无反应的生殖细胞肿瘤患者方面,该方法已取得成功。干细胞治疗也为治疗睾丸癌提供了令人兴奋的新方法,包括靶向癌细胞的潜力、增强生育能力、调节激素功能以及减轻长期治疗的副作用。
本研究探讨了免疫治疗,包括T细胞、NK细胞、树突状细胞和巨噬细胞,在治疗睾丸癌中的作用。我们还讨论了干细胞及其衍生物,如细胞外囊泡,如何用于治疗睾丸癌。
Testicular Cancer is the most common type of cancer in teenage and young adult men. Most cases correspond to testicular germ cell tumors (TGCTs). Testicular cancer treatment must be customized to minimize long-term side effects, protect quality of life, and increase cure rates. Developing new ways to treat testicular cancer is crucial if we want to reduce the side effects of current treatments and maximize their effectiveness.
Opportunities to investigate the efficacy of immunotherapeutic drugs, particularly immune checkpoint inhibitors (ICIs), in various types of cancers, including germ cell tumors (GCTs), have arisen due to recent advancements. Immunotherapy is a hotspot for research in the fight against metastatic or cisplatin-resistant testicular cancer, a disease that has so far defied conventional medicine.
Thus, new avenues for treating TGCT patients have emerged with the introduction of immunotherapy. Cancer-testis antigens (CTAs) are a group of genes that are exclusively expressed in cancer cells and specific germline cells. Much work is being done with CTAs to develop tumor vaccines and T-cell treatments.
It has been successful in treating people with germ-cell tumors that have returned or are not responding to treatment with high-dose chemotherapy and autologous stem cell transplants. Stem cell therapy also offers exciting new approaches to treating testicular cancer, including the potential to target cancer cells, enhance fertility, regulate hormone function, and alleviate the side effects of long-term treatment.
This study examined the role of immunotherapy, including T cells, NK cells, dendritic cells, and macrophages, in treating testicular cancer. We've also discussed how stem cells and their offspring, such as extracellular vesicles, can be used to treat testicular cancer.
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