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A novel morphometric signature of brain alterations in type 2 diabetes: Patterns of changed cortical gyrification
European Journal of Neuroscience ( IF 2.7 ) Pub Date : 2021-08-14 , DOI: 10.1111/ejn.15424
Joana Crisóstomo 1, 2 , João V. Duarte 1, 2 , Carolina Moreno 1, 3 , Leonor Gomes 1, 3 , Miguel Castelo‐Branco 1, 2
Affiliation  

Type 2 diabetes is a chronic disease that creates atrophic signatures in the brain, including decreases of total and regional volume of grey matter, white matter and cortical thickness. However, there is a lack of studies assessing cortical gyrification in type 2 diabetes. Changes in this emerging feature have been associated mainly with genetic legacy, but environmental factors may also play a role. Here, we investigated alterations of the gyrification index and classical morphometric measures in type 2 diabetes, a late acquired disease with complex aetiology with both underlying genetic and more preponderant environmental factors. In this cross-sectional study, we analysed brain anatomical magnetic resonance images of 86 participants with type 2 diabetes and 40 healthy control participants, to investigate structural alterations in type 2 diabetes, including whole-brain volumetric measures, local alterations of grey matter volume, cortical thickness and the gyrification index. We found concordant significant decrements in total and regional grey matter volume, and cortical thickness. Surprisingly, the cortical gyrification index was found to be mainly increased and mainly located in cortical sensory areas in type 2 diabetes. Moreover, alterations in gyrification correlated with clinical data, suggesting an influence of metabolic profile in alterations of gyrification in type 2 diabetes. Further studies should address causal influences of genetic and/or environmental factors in patterns of cortical gyrification in type 2 diabetes.

中文翻译:

2 型糖尿病大脑改变的新形态测量特征:皮层旋转改变的模式

2 型糖尿病是一种慢性疾病,会在大脑中产生萎缩特征,包括灰质、白质和皮质厚度的总体积和区域体积减少。然而,缺乏评估 2 型糖尿病皮质回旋化的研究。这一新兴特征的变化主要与遗传遗产有关,但环境因素也可能起作用。在这里,我们调查了 2 型糖尿病的 gyrification 指数和经典形态测量指标的变化,这是一种具有复杂病因的晚期获得性疾病,具有潜在的遗传因素和更占优势的环境因素。在这项横断面研究中,我们分析了 86 名 2 型糖尿病参与者和 40 名健康对照参与者的脑解剖磁共振图像,研究 2 型糖尿病的结构改变,包括全脑体积测量、灰质体积的局部改变、皮质厚度和 gyrification 指数。我们发现总和区域灰质体积和皮质厚度一致显着减少。令人惊讶的是,发现皮质旋转指数主要增加并且主要位于2型糖尿病的皮质感觉区。此外,gyrification 的改变与临床数据相关,表明代谢特征对 2 型糖尿病 gyrification 改变的影响。进一步的研究应该解决遗传和/或环境因素对 2 型糖尿病皮质旋转模式的因果影响。皮质厚度和旋转指数。我们发现总和区域灰质体积和皮质厚度一致显着减少。令人惊讶的是,发现皮质旋转指数主要增加并且主要位于2型糖尿病的皮质感觉区。此外,gyrification 的改变与临床数据相关,表明代谢特征对 2 型糖尿病 gyrification 改变的影响。进一步的研究应该解决遗传和/或环境因素对 2 型糖尿病皮质旋转模式的因果影响。皮质厚度和旋转指数。我们发现总和区域灰质体积和皮质厚度一致显着减少。令人惊讶的是,发现皮质旋转指数主要增加并且主要位于2型糖尿病的皮质感觉区。此外,gyrification 的改变与临床数据相关,表明代谢特征对 2 型糖尿病 gyrification 改变的影响。进一步的研究应该解决遗传和/或环境因素对 2 型糖尿病皮质旋转模式的因果影响。发现皮质旋转指数主要增加,主要位于2型糖尿病的皮质感觉区。此外,gyrification 的改变与临床数据相关,表明代谢特征对 2 型糖尿病 gyrification 改变的影响。进一步的研究应该解决遗传和/或环境因素对 2 型糖尿病皮质旋转模式的因果影响。发现皮质旋转指数主要增加,主要位于2型糖尿病的皮质感觉区。此外,gyrification 的改变与临床数据相关,表明代谢特征对 2 型糖尿病 gyrification 改变的影响。进一步的研究应该解决遗传和/或环境因素对 2 型糖尿病皮质旋转模式的因果影响。
更新日期:2021-09-21
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