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Examining Structural Patterns and Causality in Diabetic Nephropathy using inter-Glomerular Distance and Bayesian Graphical Models

机译:使用小球间距离和贝叶斯图形模型检查糖尿病性肾病的结构模式和因果关系

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In diabetic nephropathy (DN), hyperglycemia drives a progressive thickening of glomerular filtration surfaces,increased cell proliferation as well as mesangial expansion and a constriction of capillary lumens. This leads toprogressive structural changes inside the Glomeruli. In this work, we make a study of structural glomerular changesin DN from a graph-theoretic standpoint, using features extracted from Minimal Spanning Trees (MSTs) constructedover intercellular distances in order to classify the “packing signatures” of different DN stages. We furtherinvestigate the significance of the competing effects of Volume change measured here in 2Dimensional Pixel spanarea (Area) on one hand and increased cell proliferation on the other in determining the packing patterns. Towardsthat we formulate the problem as Dynamic Bayesian Network (DBN). From our preliminary results we do postulatethat volume expansion caused by internal pressure as capillary lumens constriction has perhaps has a greater effectin the early stages.
机译:在糖尿病性肾病(DN)中,高血糖症会导致肾小球滤过表面的逐渐增厚, 增加细胞增殖以及肾小球系膜扩张和毛细血管腔收缩。这导致 肾小球内的进行性结构变化。在这项工作中,我们研究了肾小球的结构变化 从图论的角度来看,使用从最小生成树(MST)中提取的特征 为了区分不同DN阶段的“包装特征”,在细胞间距离上进行分类。我们进一步 研究此处二维尺寸跨度中测量的体积变化竞争效应的重要性 一方面确定面积(面积),另一方面提高细胞增殖,从而确定堆积模式。向 我们将问题表述为动态贝叶斯网络(DBN)。根据我们的初步结果,我们假设 由内部压力引起的体积膨胀(毛细血管腔收缩)可能具有更大的作用 在早期阶段。

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