治疗癌症的理想L-青酸酶和当前的研究趋势
Kindu Tsegaye1, Berhanu Andualem Tsehai2, Birhan Getie1
1Department of Industrial Biotechnology, Institute of Biotechnology, University of Gondar, Gondar, Ethiopia.
Frontiers in microbiology
|April 9, 2024
概括
氨基酸枯竭疗法使用微生物酶,如L-asparaginase治疗癌症的饥饿癌细胞. 研究人员正在寻找更好的酶,考虑免疫性和稳定性等因素用于临床使用.
科学领域:
- 生物化学 生化学
- 酶学 是一种酶学.
- 癌症生物学 癌症生物学
背景情况:
- 氨基酸枯竭疗法通过利用癌症和健康细胞之间的代谢差异提供了有针对性的癌症治疗策略.
- 微生物酶,如L-asparaginase,通过耗尽必需的氨基酸,诱导癌细胞亡.
- 目前的L-氨酸酶疗法使用来自大肠杆菌和埃尔温亚桑菌的酶,但免疫性和不稳定性等局限性推动了寻找改进的替代品.
研究的目的:
- 审查目前用于从微生物来源识别治疗上可行的L-asparaginases的方法.
- 评估最近的研究是否充分评估了临床应用至关重要的关键酶特性.
主要方法:
- 关于研究的文献综述,重点关注微生物L-asparaginase的发现.
- 分析研究评估酶特性,如迈凯利斯常数,周转数和最大速度.
- 影响酶功效的因素的评估,包括免疫性,体内稳定性和蛋白酶耐药性.
主要成果:
- 该审查确定了正在进行的努力,以发现具有潜在增强治疗特征的新型L-asparaginases.
- 目前的研究强调了评估临床转换的特定动力和稳定性参数的重要性.
- 目前正在研究几种微生物来源的L-阿斯巴拉基纳酶生产,旨在克服现有的酶的局限性.
结论:
- 寻找改进的L-asparaginases对于在瘤学中推进氨基酸枯竭治疗至关重要.
- 在宣布治疗潜力之前,对酶特性进行彻底的表征是必不可少的.
- 未来的研究应该优先考虑具有有利免疫性,稳定性和动力特征的酶,以有效治疗癌症.
更多相关视频
06:32Evaluation of Amino Acid Consumption in Cultured Bone Cells and Isolated Bone Shafts
Published on: April 13, 2022
1.8K
08:35Therapeutic Gene Delivery and Transfection in Human Pancreatic Cancer Cells using Epidermal Growth Factor Receptor-targeted Gelatin Nanoparticles
Published on: January 4, 2012
28.2K
相关概念视频
Targeted Cancer Therapies
7.6K
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...
7.6K
Cancer Vaccines
360
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...
360
mTOR Signaling and Cancer Progression
3.8K
The mammalian target of rapamycin or mTOR protein was discovered in 1994 due to its direct interaction with rapamycin. The protein gets its name from a yeast homolog called TOR. The mTOR protein complex in mammalian cells plays a major role in balancing anabolic processes such as the synthesis of proteins, lipids, and nucleotides and catabolic processes, such as autophagy in response to environmental cues, such as availability of nutrients and growth factors.
The mTOR pathway or the...
The mTOR pathway or the...
3.8K
Cancer Survival Analysis
345
Cancer survival analysis focuses on quantifying and interpreting the time from a key starting point, such as diagnosis or the initiation of treatment, to a specific endpoint, such as remission or death. This analysis provides critical insights into treatment effectiveness and factors that influence patient outcomes, helping to shape clinical decisions and guide prognostic evaluations. A cornerstone of oncology research, survival analysis tackles the challenges of skewed, non-normally...
345
Combination Therapies and Personalized Medicine
4.9K
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...
4.9K
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
