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Healthspan improvement and anti-aggregation effects induced by a marine-derived structural proteasome activator.
Vasilopoulou, et al.
Redox Biology, 56, 102462-102462 (2022)
Functional amyloids in the mouse sperm acrosome.
Guyonnet, B; Egge, N; Cornwall, GA
Molecular and cellular biology null
Sivaraman Purushothuman et al.
PloS one, 8(3), e59740-e59740 (2013-04-05)
Understanding the response of the brain to haemorrhagic damage is important in haemorrhagic stroke and increasingly in the understanding the cerebral degeneration and dementia that follow head trauma and head-impact sports. In addition, there is growing evidence that haemorrhage from
Yujuan Su et al.
Journal of biomedical research, 36(4), 255-268 (2022-08-16)
Amyloids have traditionally been considered pathologic protein aggregates which contribute to neurodegeneration. New evidence however increasingly suggests that non-pathological amyloids are formed in animals during normal development. Amyloid-like aggregate formation was originally thought to be a conserved feature of animal
Feng Liang et al.
Scientific reports, 7(1), 5722-5722 (2017-07-20)
Considerable evidence shows critical roles of intracellular pathogenic events of Alzheimer's disease (AD). In particular, intracellular amyloid-β accumulation and oligomerization are early AD pathologic processes, which may lead to changes in inflammatory molecules and other AD-related pathological components. Curcumin and
Raquel Pérez-Tavarez et al.
Scientific reports, 9(1), 16298-16298 (2019-11-11)
Most fish-allergic patients have anti-β-parvalbumin (β-PV) immunoglobulin E (IgE), which cross-reacts among fish species with variable clinical effects. Although the β-PV load is considered a determinant for allergenicity, fish species express distinct β-PV isoforms with unknown pathogenic contributions. To identify
Jérôme Robert et al.
Molecular neurodegeneration, 12(1), 60-60 (2017-08-24)
Alzheimer's Disease (AD), characterized by accumulation of beta-amyloid (Aβ) plaques in the brain, can be caused by age-related failures to clear Aβ from the brain through pathways that involve the cerebrovasculature. Vascular risk factors are known to increase AD risk
Andreia C Oliveira et al.
Disease models & mechanisms, 16(1) (2023-01-06)
Tau pathology is defined by the intracellular accumulation of abnormally phosphorylated Tau (MAPT) and is prevalent in several neurodegenerative disorders. The identification of modulators of Tau abnormal phosphorylation and aggregation is key to understanding disease progression and developing targeted therapeutic
Guilherme A P de Oliveira et al.
Scientific reports, 6, 37990-37990 (2016-12-03)
Parkinson's disease is a neurological disease in which aggregated forms of the α-synuclein (α-syn) protein are found. We used high hydrostatic pressure (HHP) coupled with NMR spectroscopy to study the dissociation of α-syn fibril into monomers and evaluate their structural
Michael H Hayes et al.
Biology open, 5(6), 801-806 (2016-05-25)
A hallmark of Alzheimer's, Huntington's and similar diseases is the assembly of proteins into amyloids rather than folding into their native state. There is an increasing appreciation that amyloids, under specific conditions, may be non-pathogenic. Here we show that amyloids
Ricardo Sant'Anna et al.
Molecular medicine (Cambridge, Mass.), 29(1), 111-111 (2023-08-19)
Soluble oligomeric forms of alpha-synuclein (aSyn-O) are believed to be one of the main toxic species in Parkinson's disease (PD) leading to degeneration. aSyn-O can induce Ca2+ influx, over activating downstream pathways leading to PD phenotype. Calcineurin (CN), a phosphatase
Shobini Jayaraman et al.
Proceedings of the National Academy of Sciences of the United States of America, 114(32), E6507-E6515 (2017-07-27)
Serum amyloid A (SAA) is an acute-phase plasma protein that functions in innate immunity and lipid homeostasis. SAA is a protein precursor of reactive AA amyloidosis, the major complication of chronic inflammation and one of the most common human systemic
Cristiane Latge et al.
The Journal of biological chemistry, 290(33), 20527-20540 (2015-07-08)
Cerebral dopamine neurotrophic factor (CDNF) is a promising therapeutic agent for Parkinson disease. As such, there has been great interest in studying its mode of action, which remains unknown. The three-dimensional crystal structure of the N terminus (residues 9-107) of
Javier Martínez et al.
Swiss medical weekly, 145, w14128-w14128 (2015-05-30)
Amyloids are highly cross-β-sheet-rich aggregated states that confer protease resistance, membrane activity and multivalence properties to proteins, all essential features for the undesired preservation of food proteins transiting the gastrointestinal tract and causing type I allergy. Amyloid propensity of β-parvalbumin
Carolyn Hollands et al.
Molecular neurodegeneration, 12(1), 64-64 (2017-09-10)
The molecular mechanism underlying progressive memory loss in Alzheimer's disease is poorly understood. Neurogenesis in the adult hippocampus is a dynamic process that continuously changes the dentate gyrus and is important for hippocampal plasticity, learning and memory. However, whether impairments
Pei-Yu Kao et al.
Journal of functional foods, 12, 450-457 (2016-02-20)
The aggregation of the 37-amino acid polypeptide islet amyloid polypeptide (IAPP, amylin), as either insoluble amyloid or as small oligomers, appears to play a direct role in the death of pancreatic β-islet cells in type 2 diabetes. It is believed
Grant T Corbett et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(27), 8445-8450 (2015-06-17)
Amyloid precursor protein (APP) derivative β-amyloid (Aβ) plays an important role in the pathogenesis of Alzheimer's disease (AD). Sequential proteolysis of APP by β-secretase and γ-secretase generates Aβ. Conversely, the α-secretase "a disintegrin and metalloproteinase" 10 (ADAM10) cleaves APP within
Cheril Tapia-Rojas et al.
Molecular neurodegeneration, 10, 62-62 (2015-11-23)
L-methionine, the principal sulfur-containing amino acid in proteins, plays critical roles in cell physiology as an antioxidant and in the breakdown of fats and heavy metals. Previous studies suggesting the use of L-methionine as a treatment for depression and other
S100A9 knockout decreases the memory impairment and neuropathology in crossbreed mice of Tg2576 and S100A9 knockout mice model.
Kim, HJ; Chang, KA; Ha, TY; Kim, J; Ha, S; Shin, KY; Moon, C; Nacken, W; Kim, HS; Suh, YH
Testing null
Seung-Jun Yoo et al.
Cell death & disease, 8(8), e2977-e2977 (2017-08-11)
Olfactory dysfunction is a common symptom associated with neurodegenerative diseases including Alzheimer's disease (AD). Although evidence exists to suggest that peripheral olfactory organs are involved in the olfactory dysfunction that accompanies AD pathology, the underlying mechanisms are not fully understood.
Nathan Egge et al.
PloS one, 10(6), e0129907-e0129907 (2015-06-05)
The zona pellucida (ZP) surrounding the oocyte is an extracellular fibrillar matrix that plays critical roles during fertilization including species-specific gamete recognition and protection from polyspermy. The mouse ZP is composed of three proteins, ZP1, ZP2, and ZP3, all of
Sónia S Leal et al.
The Journal of biological chemistry, 288(35), 25219-25228 (2013-07-19)
Imbalance in metal ion homeostasis is a hallmark in neurodegenerative conditions involving protein deposition, and amyotrophic lateral sclerosis (ALS) is no exception. In particular, Ca(2+) dysregulation has been shown to correlate with superoxide dismutase-1 (SOD1) aggregation in a cellular model
S N Suresh et al.
Frontiers in molecular neuroscience, 11, 109-109 (2018-04-25)
Mechanistic insights into aggrephagy, a selective basal autophagy process to clear misfolded protein aggregates, are lacking. Here, we report and describe the role of Estrogen Related Receptor α (ERRα, HUGO Gene Nomenclature ESRRA), new molecular player of aggrephagy, in keeping
S N Suresh et al.
Autophagy, 13(7), 1221-1234 (2017-03-30)
Parkinson disease (PD) is a life-threatening neurodegenerative movement disorder with unmet therapeutic intervention. We have identified a small molecule autophagy modulator, 6-Bio that shows clearance of toxic SNCA/α-synuclein (a protein implicated in synucleopathies) aggregates in yeast and mammalian cell lines.
SARS-CoV-2 infects neurons and induces neuroinflammation in a non-human primate model of COVID-19.
Beckman, et al.
Cell Reports, 41, 111573-111573 (2022)
Brett A Barbaro et al.
Human molecular genetics, 24(4), 913-925 (2014-10-12)
Although Huntington's disease is caused by the expansion of a CAG triplet repeat within the context of the 3144-amino acid huntingtin protein (HTT), studies reveal that N-terminal fragments of HTT containing the expanded PolyQ region can be produced by proteolytic
Deepthi Yedlapudi et al.
Scientific reports, 9(1), 19648-19648 (2019-12-25)
A significant number of people with Parkinson's disease (PD) develop dementia in addition to cognitive dysfunction and are diagnosed as PD with dementia (PDD). This is characterized by cortical and limbic alpha synuclein (α-syn) accumulation, and high levels of diffuse
Gabriel Fung et al.
Oncotarget, 8(43), 74767-74780 (2017-11-02)
Protein quality control (PQC) plays a key role in maintaining cardiomyocyte function and homeostasis, and malfunction in PQC is implicated in various forms of heart diseases. Molecular chaperones serve as the primary checkpoint for PQC; however, their roles in the
Nancy Bartolotti et al.
Journal of Alzheimer's disease : JAD, 66(4), 1425-1435 (2018-11-08)
Plant derivatives offer a novel and natural source of therapeutics. The desert plant Achillea fragrantissima (Forssk) Sch. Bip (Af) is characterized by protective antioxidative and anti-inflammatory properties. Here, we examined the effect of two Af-derived phytochemicals on learning and memory
Experimental traumatic brain injury induces rapid aggregation and oligomerization of amyloid-beta in an Alzheimer's disease mouse model.
Washington, PM; Morffy, N; Parsadanian, M; Zapple, DN; Burns, MP
Journal of Neurotrauma null
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