在糖尿病病中识别与溶解体相关的分子亚型和诊断生物标志物
Jing Qi1, Shanshan Liu2, Yu Zhang3
1Hypertensive Heart Failure Ward, Central Hospital Affiliated to Shandong First Medical University, Jinan, Shandong Province, China.
Computer methods in biomechanics and biomedical engineering
|September 3, 2025
概括
这项研究确定了三个关键基因 (AP3M2,CTSC,MAN2B1) 作为糖尿病病 (DN) 的潜在诊断生物标志物. 通过揭示与溶酶体相关的分子亚型及其免疫模式,这些发现为DN提供了新的治疗点.
科学领域:
- 分子生物学
- 基因组学
- 生物信息学
背景情况:
- 在各种疾病中发挥关键作用.
- 在糖尿病病 (DN) 中溶酶体的特定功能尚不清楚.
- 识别分子亚型和生物标志物对于理解DN病变至关重要.
研究的目的:
- 使用生物信息学在DNA中发现与溶酶相关的分子亚型.
- 为了确定DN的潜在诊断生物标志物.
- 探索溶酶体相关基因与DN免疫细胞透之间的关系.
主要方法:
- 从GEO数据库下载和分析了四个DN相关的mRNA表达特征.
- 从公共数据库中提取了与溶酶相关的基因 (LRG).
- 使用差异表达分析,共识聚类,WGCNA和机器学习算法来识别子类型和生物标志物.
- 验证了生物标志物诊断性能,并分析了与免疫细胞的相关性.
主要成果:
- 确定了37种在DN中参与 lysosome信号通路的差异表达LRG.
- 发现了三种与溶解体相关的不同亚型, 具有显著的免疫模式差异.
- 使用机器学习算法选了七种潜在的重叠生物标志物.
- 验证了3个具有DN高诊断值 (AUC> 0.7) 的基因 (AP3M2,CTSC,MAN2B1).
- 在这些诊断基因与免疫细胞透之间发现了显著的相关性.
结论:
- 这项研究为DNA的分子机制提供了新的见解.
- 确定了AP3M2,CTSC和MAN2B1作为DN的有前途的诊断生物标志物.
- 这些发现可能会为DN开发准确的治疗点.
相关概念视频
01:22Lysosomal Hydrolases
3.9K
Lysosomes are the site for the degradation of macromolecules and biological polymers released during membrane trafficking events such as secretory, endocytic, autophagic, and phagocytic pathways. The membrane-enclosed area of the lysosome, called the lumen, contains hydrolytic enzymes active in an acidic environment. These acid hydrolases are functional at a pH between 4.5 and 5 and are involved in cellular processes such as cell signaling, energy metabolism, restoration of the plasma membrane,...
3.9K
01:22Diabetes Mellitus: Overview and Type I Subtype
3.2K
Diabetes mellitus is a chronic metabolic disorder characterized by high blood glucose levels due to inadequate insulin production, insulin resistance, or both. The condition affects millions worldwide and can significantly impact their health and quality of life.
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
Type 1 diabetes is an autoimmune disease in which the immune system mistakenly attacks and destroys the insulin-producing beta cells in the pancreas. As a result, the body is unable to produce sufficient insulin, and individuals with...
3.2K
01:15Diabetes: Symptoms, Diagnosis, and Complications
685
For most patients, experiencing several weeks of polyuria, polydipsia, fatigue, and significant weight loss may indicate the presence of diabetes. Furthermore, adults displaying the phenotypic appearance of type 2 diabetes (particularly those who are obese and not initially insulin-requiring), may have islet cell autoantibodies, suggesting autoimmune-mediated β cell destruction and a diagnosis of latent autoimmune diabetes of adults (LADA). The categorization of glucose homeostasis is...
685