2014
DOI: 10.1016/j.ajpath.2013.11.021
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Genetic Ablation of Tau Mitigates Cognitive Impairment Induced by Type 1 Diabetes

Abstract: Patients affected by diabetes show an increased risk of developing Alzheimer disease (AD). Similarly, patients with AD show impaired insulin function and glucose metabolism. However, the underlying molecular mechanisms connecting these two disorders are still not well understood. Herein, we investigated the microtubule-associated protein tau as a new link between AD and diabetes. To determine whether diabetes causes cognitive decline by a tau-dependent mechanism, we treated non-transgenic (Ntg) and tau-knockou… Show more

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Cited by 44 publications
(47 citation statements)
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“…DE is one of the most common diabetic complications in both type 1 and type 2 diabetes mellitus [3][4][5]. Present study show that hippocampus and frontal cortex are the important pathological centers in diabetes-induced behavior deficits development and progression [6,7].…”
Section: Intruductionmentioning
confidence: 93%
“…DE is one of the most common diabetic complications in both type 1 and type 2 diabetes mellitus [3][4][5]. Present study show that hippocampus and frontal cortex are the important pathological centers in diabetes-induced behavior deficits development and progression [6,7].…”
Section: Intruductionmentioning
confidence: 93%
“…Peripheral administration of STZ in mice reduced cerebral pAkt and pGSK3β Ser9 levels, and exacerbated Tau pathology, synaptic proteins reduction and memory deficits. However, STZ-treated Tau knockout mice had reduced phenotypes, indicating that insulin deficiency and reduced insulin signaling is a cause of Tau-mediated cognitive impairments [23]. …”
Section: Introductionmentioning
confidence: 99%
“…Подразумева-ется, что недостаток инсулина, равно как и прочие ней-роспецифические факторы, играют существенную роль, воздействуя на нейротрансмиттерную и нейрональную интеграцию [31]. Результаты исследования S. Abbondante (2014) показали, что значительное снижение активации GSK-3 коррелирует с количеством инсулиновых ре-цепторов, которые широко экспрессируются в головном мозге [32,33,34]. Данные C.G.…”
Section: сахарный диабет и таупатияunclassified
“…Интересно отметить, что генетическое удаление тау-белка предотвращает на-рушение памяти. Кроме того, абляции белка смягчают течение диабет-индуцированных когнитивных наруше-ний [52,53]. Взятые вместе, эти данные свидетельствуют о том, что при СД происходит гиперфосфорилирование тау-протеина вследствие нарушения сигналов инсулина в головном мозге, которое вносит свой вклад в когнитив-ные нарушения.…”
Section: сахарный диабет Diabetes Mellitus 183unclassified
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