Methylglyoxal, a highly reactive dicarbonyl compound, as a threat for blood brain barrier integrity

E Berends, RJ van Oostenbrugge, S Foulquier… - Fluids and Barriers of …, 2023 - Springer
The brain is a highly metabolically active organ requiring a large amount of glucose.
Methylglyoxal (MGO), a by-product of glucose metabolism, is known to be involved in …

Glycolysis-derived compounds from astrocytes that modulate synaptic communication

CA Gonçalves, L Rodrigues, LD Bobermin… - Frontiers in …, 2019 - frontiersin.org
Based on the concept of the tripartite synapse, we have reviewed the role of glucose-derived
compounds in glycolytic pathways in astroglial cells. Glucose provides energy and substrate …

Glycation potentiates α-synuclein-associated neurodegeneration in synucleinopathies

H Vicente Miranda, ÉM Szegő, LMA Oliveira, C Breda… - Brain, 2017 - academic.oup.com
α-Synuclein misfolding and aggregation is a hallmark in Parkinson's disease and in several
other neurodegenerative diseases known as synucleinopathies. The toxic properties of α …

[HTML][HTML] Fluctuations in glucose levels induce glial toxicity with glutamatergic, oxidative and inflammatory implications

A Quincozes-Santos, LD Bobermin, AM de Assis… - … et Biophysica Acta (BBA …, 2017 - Elsevier
Astrocytes are dynamic cells that maintain brain homeostasis by regulating neurotransmitter
systems, antioxidant defenses, inflammatory responses and energy metabolism. Astroglial …

A mechanism of action of metformin in the brain: prevention of methylglyoxal-induced glutamatergic impairment in acute hippocampal slices

AFK Vizuete, F Fróes, M Seady, F Hansen… - Molecular …, 2024 - Springer
Metformin, a biguanide compound (N-1, 1-dimethylbiguanide), is widely prescribed for
diabetes mellitus type 2 (T2D) treatment. It also presents a plethora of properties, such as …

Acute Methylglyoxal-Induced damage in blood–brain barrier and hippocampal tissue

LJ Lissner, KM Wartchow, L Rodrigues… - Neurotoxicity …, 2022 - Springer
Methylglyoxal (MG) is a reactive dicarbonyl compound formed mostly via the glycolytic
pathway. Elevated blood glucose levels can cause MG accumulation in plasma and …

Peripheral levels of AGEs and astrocyte alterations in the hippocampus of STZ-diabetic rats

P Nardin, C Zanotto, F Hansen, C Batassini… - Neurochemical …, 2016 - Springer
Diabetic patients and streptozotocin (STZ)-induced diabetes mellitus (DM) models exhibit
signals of brain dysfunction, evidenced by neuronal damage and memory impairment …

Glycation potentiates neurodegeneration in models of Huntington's disease

H Vicente Miranda, MA Gomes, J Branco-Santos… - Scientific Reports, 2016 - nature.com
Protein glycation is an age-dependent posttranslational modification associated with several
neurodegenerative disorders, including Alzheimer's and Parkinson's diseases. By modifying …

[HTML][HTML] Intracerebroventricular administration of okadaic acid induces hippocampal glucose uptake dysfunction and tau phosphorylation

N Broetto, F Hansen, G Brolese, C Batassini… - Brain Research …, 2016 - Elsevier
Intraneuronal aggregates of neurofibrillary tangles (NFTs), together with beta-amyloid
plaques and astrogliosis, are histological markers of Alzheimer's disease (AD). The …

Inhibition of NF-κB activity by aminoguanidine alleviates neuroinflammation induced by hyperglycemia

Y Song, F Zhang, C Ying, KA Kumar, X Zhou - Metabolic Brain Disease, 2017 - Springer
Neuroinflammation is a key feature of cerebral complication which is associated with
diabetes mellitus (DM). Inducible nitric oxide synthase (iNOS) is implicated in the …