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Biomarker and kit for predicting MCI risk of type 2 diabetes patients and application thereof

A type 2 diabetes, biomarker technology, applied in the field of risk biomarkers and kits, can solve the problems of expensive, time-consuming and labor-intensive MCI diagnostic methods

Active Publication Date: 2021-04-20
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a set of biomarkers and kits for predicting the risk of MCI in patients with type 2 diabetes and their applications in order to overcome the problems of expensive, time-consuming and labor-intensive diagnostic methods for MCI in the prior art

Method used

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  • Biomarker and kit for predicting MCI risk of type 2 diabetes patients and application thereof
  • Biomarker and kit for predicting MCI risk of type 2 diabetes patients and application thereof
  • Biomarker and kit for predicting MCI risk of type 2 diabetes patients and application thereof

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Embodiment 1

[0042] In this embodiment, the level of OPTN in platelets of patients with type 2 diabetes mellitus without MCI (T2DM-nMCI) and patients with type 2 diabetes mellitus accompanied by MCI (T2DM-MCI) is detected. Among them, the diagnosis of MCI in patients with type 2 diabetes was carried out by MMSE analysis.

[0043] Some test results such as figure 1 Shown (mean±SEM; ***p<0.001; T2DM-nMCI: n=30; T2DM-MCI: n=34). It can be seen from the figure that the OPTN level in T2DM-MCI platelets was significantly higher than that in T2DM-nMCI group.

Embodiment 2

[0045] Based on previous studies, the inventors proposed a set of biomarkers, including optic nerve protein (OPTN), the ratio of total glycogen synthase kinase-3β to Ser9-phosphorylated glycogen synthase kinase-3β (rGSK-3β) To predict the risk of MCI in patients with type 2 diabetes. And based on the increase of OPTN level and rGSK-3β ratio, a diagnostic method was established, and the diagnostic effect of this method was tested.

[0046] The specific steps of OPTN level detection include:

[0047] a: Collect blood from patients with type 2 diabetes, and then conduct blood tissue separation to extract platelets;

[0048] b: Purify the platelets, then extract and measure the protein concentration in the platelets;

[0049] c: The level of OPTN in platelets of patients with type 2 diabetes mellitus was determined by Western blot assay.

[0050] The specific steps of rGSK-3β level detection include:

[0051] a: Collect blood from patients with type 2 diabetes, and then conduc...

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Abstract

The invention relates to the field of medicines, and discloses a group of biomarkers and a kit for predicting MCI risk of type 2 diabetes patients and application thereof. The biomarkers comprise optic nerve protein, glycogen synthase kinase-3beta and Ser9-phosphorylated glycogen synthase kinase-3beta. The rise of the biomarkers can evaluate MCI, and the biomarkers have the characteristics of high accuracy, high detection speed, low cost, small trauma and easy acceptance by patients, and provide a scientific and effective early prediction scheme for MCI of type 2 diabetes patients. The kit can be used for screening MCI in a large range of people, and detection can be completed only by collecting peripheral blood, so that large-range elderly population screening becomes possible.

Description

technical field [0001] The invention relates to the field of medicine, in particular to a group of biomarkers and kits for predicting the risk of MCI in patients with type 2 diabetes and their application. Background technique [0002] Alzheimer's disease (AD) is a primary degenerative disease of the central nervous system and the most common type of dementia. The main clinical symptom of AD is slow cognitive decline, including progressive loss of memory, logical reasoning ability and language function, and finally develops into severe dementia. [0003] At present, there is still a lack of early diagnostic measures for AD, and irreversible brain damage often occurs when patients see a doctor, resulting in poor treatment effects. Therefore, the discovery of early risk factors is of great significance for early diagnosis and intervention. Cognitive impairment in type 2 diabetes mellitus (T2DM) is an independent risk factor for AD. The incidence of T2DM is high and tends to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/68G01N33/573
Inventor 王建枝
Owner HUAZHONG UNIV OF SCI & TECH
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