Results 91 to 100 of about 19,674 (236)

Helices 2 and 3 are the initiation sites in the PrPc -> PrPsc transition

open access: yes, 2012
It is established that prion protein is the sole causative agent in a number of diseases in humans and animals. However, the nature of conformational changes that the normal cellular form PrPC undergoes in the conversion process to a self-replicating ...
Chen, Jie, Thirumalai, Devarajan
core   +1 more source

Detection of Diagnostic Antibodies in Immune‐Mediated Diseases: A Focus on Antigens and Technologies

open access: yesChemBioChem, Volume 27, Issue 9, 14 May 2026.
This review explores autoantibody detection in immune‐mediated diseases, highlighting autoantigens including post‐translational modifications. We compared enzyme‐linked immunosorbent assay and indirect immunofluorescence with automated chemiluminescence platforms.
Silvia Bracci   +5 more
wiley   +1 more source

Identificación por PCR-SSCP de genes de cefotaximasas en aislamientos hospitalarios de Enterobacteriaceae

open access: yesRevista Colombiana de Biotecnología, 2009
Las cefotaximasas (CTX-M) son las beta-lactamasas de espectro extendido más ampliamente diseminadas entre especies de la familia Enterobacteriaceae, y son la causa principal de resistencia en aislamientos causantes de infección intrahospitalaria.
José Ramón Mantilla Anaya   +3 more
doaj   +2 more sources

Variation in the Fatty Acid Synthase Gene (FASN) and Its Association with Milk Traits in Gannan Yaks

open access: yesAnimals, 2019
Fatty acid synthase (FASN) is an enzyme involved in the synthesis of fatty acids (FA) and plays a central role in de novo lipogenesis in mammals. This study was conducted to ascertain the relative level of expression of the FASN gene (FASN) in tissues ...
Bingang Shi   +7 more
doaj   +1 more source

Abi3S212F Alzheimer's disease variant alters plaque structure and disrupts microglia

open access: yesAlzheimer's &Dementia, Volume 22, Issue 5, May 2026.
Abstract BACKGROUND Genetic variants affecting microglial function can influence Alzheimer's disease (AD) risk, yet the underlying mechanisms remain unclear. The AD‐associated ABI3S209F (Abi3S212F in mouse) variant regulates cytoskeletal dynamics, but its in vivo impact on pathology is unknown. METHODS: An Abi3S212F mouse was developed and crossed with
Claire A. Butler   +29 more
wiley   +1 more source

Determination of apolipoprotein E genotypes by single-strand conformational polymorphism

open access: yesClinical Chemistry, 1993
Abstract We used single-strand conformational polymorphism (SSCP) to determine apolipoprotein E (Apo E) genotypes in 47 individuals. A 295-base-pair (bp) DNA fragment coding for amino acid residues 80-178 of the Apo E protein gave distinct patterns for the three alleles.
M Y, Tsai   +6 more
openaire   +2 more sources

Phase Separation of Parkinson's Disease Protein α‐Synuclein: Mechanistic Insights but Biological Uncertainties

open access: yesChemistryEurope, Volume 4, Issue 5, May 2026.
Parkinson's disease‐associated protein α‐synuclein can assemble into liquid condensates under strongly perturbed in vitro and in vivo experimental conditions, including high protein concentration, macromolecular crowding, and when attached to various tags with cross‐linking ability.
Simran Arora   +1 more
wiley   +1 more source

Genetic Identification of Trichomonas vaginalis by Using the Actin Gene and Molecular Based Methods

open access: yesIranian Journal of Parasitology, 2014
Background: Trichomonas vaginalis is the agent of urogenital tract infection that causes human trichomoniasis with some serious health complications.
Mohammad Matini   +6 more
doaj  

Nasopalpebral lipoma coloboma syndrome

open access: yesIndian Journal of Ophthalmology, 2011
Nasopalpebral lipoma-coloboma syndrome is characterized by nasopalpebral lipoma and eyelid coloboma. We report a case of a 16-year-old Indian girl who reported to us with this rare syndrome.
N Suresh Babu, D Raviprakash, Ravi Kumar
doaj   +1 more source

The physicist's guide to one of biotechnology's hottest new topics: CRISPR-Cas

open access: yes, 2018
Clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated proteins (Cas) constitute a multi-functional, constantly evolving immune system in bacteria and archaea cells.
Bonomo, Melia E., Deem, Michael W.
core   +1 more source

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