[HTML][HTML] Detection and characterization of aggregates, prefibrillar amyloidogenic oligomers, and protofibrils using fluorescence spectroscopy

M Lindgren, K Sörgjerd, P Hammarström - Biophysical journal, 2005 - cell.com
Transthyretin (TTR) is a protein linked to a number of different amyloid diseases including
senile systemic amyloidosis and familial amyloidotic polyneuropathy. The transient nature of …

Lysozyme amyloidogenesis is accelerated by specific nicking and fragmentation but decelerated by intact protein binding and conversion

R Mishra, K Sörgjerd, S Nyström, A Nordigården… - Journal of molecular …, 2007 - Elsevier
We have revisited the well-studied heat and acidic amyloid fibril formation pathway (pH 1.6,
65 C) of hen egg-white lysozyme (HEWL) to map the barriers of the misfolding and …

[HTML][HTML] Autophagy-related protein 7 deficiency in amyloid β (Aβ) precursor protein transgenic mice decreases Aβ in the multivesicular bodies and induces Aβ …

…, T Akagi, S Izumi, T Komori, K Hui, K Sörgjerd… - The American journal of …, 2015 - Elsevier
Alzheimer disease (AD) is biochemically characterized by increased levels of amyloid β (Aβ)
peptide, which aggregates into extracellular Aβ plaques in AD brains. Before plaque …

[HTML][HTML] Toxicity of insulin-derived amyloidosis: a case report

K Iwaya, T Zako, J Fukunaga, KM Sörgjerd… - BMC Endocrine …, 2019 - Springer
Background Insulin-derived amyloidosis is a skin-related complication of insulin therapy that
interferes with insulin therapy. Although toxicities of in vitro-formed insulin amyloid fibrils …

Human prefoldin inhibits amyloid-β (Aβ) fibrillation and contributes to formation of nontoxic Aβ aggregates

KM Sörgjerd, T Zako, M Sakono, PC Stirling… - Biochemistry, 2013 - ACS Publications
Amyloid-β (Aβ) peptides represent key players in the pathogenesis of Alzheimer’s disease (AD),
and mounting evidence indicates that soluble Aβ oligomers mediate the toxicity. …

[HTML][HTML] A Structure-Toxicity Study of Aß42 Reveals a New Anti-Parallel Aggregation Pathway

H Vignaud, C Bobo, I Lascu, KM Sörgjerd, T Zako… - PLoS …, 2013 - journals.plos.org
Amyloid beta (Aβ) peptides produced by APP cleavage are central to the pathology of
Alzheimer’s disease. Despite widespread interest in this issue, the relationship between the auto-…

Prefibrillar transthyretin oligomers and cold stored native tetrameric transthyretin are cytotoxic in cell culture

K Sörgjerd, T Klingstedt, M Lindgren, K Kågedal… - Biochemical and …, 2008 - Elsevier
Recent studies suggest that soluble, oligomeric species, which are intermediates in the fibril
formation process in amyloid disease, might be the key species in amyloid pathogenesis. …

[HTML][HTML] Prefoldin protects neuronal cells from polyglutamine toxicity by preventing aggregation formation

E Tashiro, T Zako, H Muto, Y Itoo, K Sörgjerd… - Journal of Biological …, 2013 - ASBMB
Huntington disease is caused by cell death after the expansion of polyglutamine (polyQ)
tracts longer than ∼40 repeats encoded by exon 1 of the huntingtin (HTT) gene. Prefoldin is a …

Retention of misfolded mutant transthyretin by the chaperone BiP/GRP78 mitigates amyloidogenesis

K Sörgjerd, B Ghafouri, BH Jonsson, JW Kelly… - Journal of molecular …, 2006 - Elsevier
Carriers of the D18G transthyretin (TTR) mutation display an unusual central nervous system
(CNS) phenotype with late onset of disease. D18G TTR is monomeric and highly prone to …

Cell interaction study of amyloid by using luminescent conjugated polythiophene: implication that amyloid cytotoxicity is correlated with prolonged cellular binding.

T Zako, M Sakono, T Kobayashi, K Sörgjerd… - … : a European Journal …, 2012 - europepmc.org
Needles and noodles: Studying amyloid toxicity is important for understanding protein misfolding
diseases. Using a luminescent conjugated polythiophene, we found that cell binding of …