Results 41 to 50 of about 127,967 (338)

Collagens - structure, function and biosynthesis. [PDF]

open access: yes, 2003
The extracellular matrix represents a complex alloy of variable members of diverse protein families defining structural integrity and various physiological functions.
Aigner, T, Gelse, K, Poschl, E
core   +1 more source

Parkinson Hastalığı ile İlişkilendirilen PreNAC Fibril Kesiti ve Onun A53C, A53E, A53G, A53T, A53V Mutasyonlarının Yapısal Kararlılığın Araştırılması

open access: yesSüleyman Demirel Üniversitesi Fen-Edebiyat Fakültesi Fen Dergisi, 2021
Parkinson hastalığının (PD) başlıca patolojik işaretlerinden biri beyinde kümelenmiş alfa-sinüklein agregalarının oluşturdukları fibril yapılardır. Bu çalışmada PreNAC olarak adlandırılan bir alfa-sinüklein fibril kesiti ve onun 53.
Kadir Demir, Hakan Alıcı
doaj   +1 more source

The biomechanics of amnion rupture: an X-ray diffraction study [PDF]

open access: yes, 2007
Pre-term birth is the leading cause of perinatal and neonatal mortality, 40% of which are attributed to the pre-term premature rupture of amnion. Rupture of amnion is thought to be associated with a corresponding decrease in the extracellular collagen ...
Andrew Quantock   +32 more
core   +3 more sources

Reciprocal control of viral infection and phosphoinositide dynamics

open access: yesFEBS Letters, EarlyView.
Phosphoinositides, although scarce, regulate key cellular processes, including membrane dynamics and signaling. Viruses exploit these lipids to support their entry, replication, assembly, and egress. The central role of phosphoinositides in infection highlights phosphoinositide metabolism as a promising antiviral target.
Marie Déborah Bancilhon, Bruno Mesmin
wiley   +1 more source

Why are Functional Amyloids Non-Toxic in Humans?

open access: yesBiomolecules, 2017
Amyloids were first identified in association with amyloidoses, human diseases in which proteins and peptides misfold into amyloid fibrils. Subsequent studies have identified an array of functional amyloid fibrils that perform physiological roles in ...
Matthew P. Jackson, Eric W. Hewitt
doaj   +1 more source

Characterization of heterologously expressed Fibril, a shape and motility determining cytoskeletal protein of the helical bacterium Spiroplasma

open access: yesiScience, 2022
Summary: Fibril is a constitutive filament-forming cytoskeletal protein of unidentified fold, exclusive to members of genus Spiroplasma. It is hypothesized to undergo conformational changes necessary to bring about Spiroplasma motility through changes in
Shrikant Harne, Pananghat Gayathri
doaj   +1 more source

By dawn or dusk—how circadian timing rewrites bacterial infection outcomes

open access: yesFEBS Letters, EarlyView.
The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo   +2 more
wiley   +1 more source

Lipids as Trans-Acting Effectors for α-Synuclein in the Pathogenesis of Parkinson’s Disease

open access: yesFrontiers in Neuroscience, 2019
Aggregation of α-synuclein (αSyn) plays a central role in the pathogenesis of Parkinson’s disease (PD) and dementia with Lewy bodies (DLB). Lewy bodies (LBs) and Lewy neurites, which consist mainly of aggregated αSyn, are widely observed in the affected ...
Kensuke Ikenaka   +5 more
doaj   +1 more source

Alternative Structures of α-Synuclein

open access: yesMolecules, 2020
The object of our analysis is the structure of alpha-synuclein (ASyn), which, under in vivo conditions, associates with presynaptic vesicles. Misfolding of ASyn is known to be implicated in Parkinson’s disease.
Dawid Dułak   +4 more
doaj   +1 more source

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