Molecular Determinants of Neurocognitive Deficits in Glioma: Based on 2021 WHO Classification

Author:

Zhang Kun,Yang Tianrui,Xia Yu,Guo Xiaopeng,Chen Wenlin,Wang Lijun,Li Junlin,Wu Jiaming,Xiao Zhiyuan,Zhang Xin,Jiang Wenwen,Xu Dongrui,Guo Siying,Wang Yaning,Shi Yixin,Liu Delin,Li Yilin,Wang Yuekun,Xing Hao,Liang Tingyu,Niu Pei,Wang Hai,Liu Qianshu,Jin Shanmu,Qu Tian,Li Huanzhang,Zhang Yi,Ma Wenbin,Wang Yu

Abstract

AbstractCognitive impairment is a common feature among patients with diffuse glioma. The objective of the study is to investigate the relationship between preoperative cognitive function and clinical as well as molecular factors, firstly based on the new 2021 World Health Organization’s updated classification of central nervous system tumors. A total of 110 diffuse glioma patients enrolled underwent preoperative cognitive assessments using the Mini-Mental State Examination and Montreal Cognitive Assessment. Clinical information was collected from medical records, and gene sequencing was performed to analyze the 18 most influenced genes. The differences in cognitive function between patients with and without glioblastoma were compared under both the 2016 and 2021 WHO classification of tumors of the central nervous system to assess their effect of differentiation on cognition. The study found that age, tumor location, and glioblastoma had significant differences in cognitive function. Several genetic alterations were significantly correlated with cognition. Especially, IDH, CIC, and ATRX are positively correlated with several cognitive domains, while most other genes are negatively correlated. For most focused genes, patients with a low number of genetic alterations tended to have better cognitive function. Our study suggested that, in addition to clinical characteristics such as age, histological type, and tumor location, molecular characteristics play a crucial role in cognitive function. Further research into the mechanisms by which tumors affect brain function is expected to enhance the quality of life for glioma patients. This study highlights the importance of considering both clinical and molecular factors in the management of glioma patients to improve cognitive outcomes.

Funder

Peking Union Medical College Hospital

Beijing Municipal Natural Science Foundation

Publisher

Springer Science and Business Media LLC

Subject

Cellular and Molecular Neuroscience,General Medicine

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