工程生物聚合物水凝用于在实验室中模拟马类肉类瘤在比较瘤学中的模型
Alessia Zanacchi1, Floriana Fruscione2, Sara Grasselli1
1Department of Informatics, Bioengineering, Robotics and Systems Engineering (DIBRIS), University of Genoa, Genoa, Italy.
International journal of biological macromolecules
|February 11, 2026
概括
这项研究引入了新的3D生物模拟水凝模型,用于马肉,一种常见的马皮肤瘤. 这些先进的体外模型更好地复制瘤微环境,以改善癌症研究.
科学领域:
- 生物材料科学 生物材料科学
- 兽医瘤学 兽医瘤学
- 癌症生物学 癌症生物学
背景情况:
- 先进的临床前癌症模型对于药物发现和治疗开发至关重要.
- 马肉,马类最常见的皮肤瘤,是由牛乳头瘤病毒 (BPV) 引起的,涉及复杂的瘤微环境 (TME) 相互作用.
- 传统的二维细胞培养不能充分模仿TME的结构和生化复杂性.
研究的目的:
- 开发和描述第一个三维 (3D) 试验室模型的马类肉骨.
- 为了利用酸盐 (CHITO) 和酸盐-原 (CHITO-COL) 的水凝作为生物仿真支架.
- 评估这些3D模型是否适合复制马类肉骨TME.
主要方法:
- 制造CHITO和CHITO-COL的水凝. 这两种水凝的制造.
- 描述水凝的特性,包括热凝,结构,多孔性和刚性.
- 使用MTT测定对细胞代谢活动的评估.
- 在3D与2D培养中评估中细胞标记物表达 (Vimentin,CDH2).
主要成果:
- 原体的结合没有影响酸盐水凝的热凝或结构完整性.
- 水凝表现出与本地马类肉组织相比较的生理性多孔性和刚性.
- 在体外 (DIV) 观察到10天后代谢活性增加,表明细胞增殖.
- 与2D培养相比,3D模型显示中细胞标记物的保存和上调优越.
结论:
- 生物仿真3DCHITO和CHITO-COL水凝有效地复制了马类肉体TME.
- 这些新的3D平台为比较瘤学研究提供了有前途的工具.
- 这些模型在研究与乳头瘤病毒 (PV) 相关的人类癌症方面具有潜在的应用.
相关概念视频
What is Genetic Engineering?
80.4K
Overview
80.4K
Comparing Copy Number Variations and SNPs
18.8K
Sequencing of the human genome has opened up several best-kept secrets of the genome. Scientists have identified thousands of genome variations that exist within a population. These variations can be a single nucleotide or a larger chromosomal variation.
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
Copy number variations or CNVs are the structural variations that cover more than 1kb of DNA sequence. The single nucleotide polymorphism (SNP), on the other hand, is a single nucleotide change or a point mutation that is found in more than 1%...
18.8K
Comparative Excretory Systems
26.7K
Animals have evolved different strategies for excretion, the removal of waste from the body. Most waste must be dissolved in water to be excreted, so an animal’s excretory strategy directly affects its water balance.
26.7K
Comparing Experimental Results: Student's t-Test
6.1K
The t-test is a statistical method used to compare the sample mean with a population mean or compare two means from two data sets. The test statistic is calculated from the standard deviation, mean, and number of measurements in the data set at a selected confidence interval and then compared to a table of critical values at this confidence level. If the test statistic is smaller than the critical value, the null hypothesis is accepted. In this case, we state that the difference between the...
6.1K
Comparing the Survival Analysis of Two or More Groups
617
Survival analysis is a cornerstone of medical research, used to evaluate the time until an event of interest occurs, such as death, disease recurrence, or recovery. Unlike standard statistical methods, survival analysis is particularly adept at handling censored data—instances where the event has not occurred for some participants by the end of the study or remains unobserved. To address these unique challenges, specialized techniques like the Kaplan-Meier estimator, log-rank test, and...
617
Comparing Mitochondrial, Chloroplast, and Prokaryotic Genomes
17.0K
The present-day mitochondrial and chloroplast genomes have retained some of the characteristics of their ancestral prokaryotes and also have acquired new attributes during their evolution within eukaryotic cells. Like prokaryotic genomes, mitochondrial and chloroplast genomes neither bind with histone-like proteins nor show complex packaging into chromosome-like structures, as observed in eukaryotes. Unlike mitotic cell divisions observed in eukaryotic cells, mitochondria and chloroplasts...
17.0K


