APP accumulates with presynaptic proteins around amyloid plaques: A role for presynaptic mechanisms in Alzheimer's disease?

T JordàSiquier, M Petrel, V Kouskoff… - Alzheimer's & …, 2022 - Wiley Online Library
In Alzheimer's disease (AD), the distribution of the amyloid precursor protein (APP) and its
fragments other than amyloid beta, has not been fully characterized. Here, we investigate the …

[HTML][HTML] Presenilin-mediated cleavage of APP regulates synaptotagmin-7 and presynaptic plasticity

G Barthet, T Jordà-Siquier, J Rumi-Masante… - Nature …, 2018 - nature.com
Mutations of the intramembrane protease presenilin (PS) or of its main substrate, the amyloid
precursor protein (APP), cause early-onset form of Alzheimer disease. PS and APP interact …

Distinctive alteration of presynaptic proteins in the outer molecular layer of the dentate gyrus in Alzheimer's disease

H Haytural, T Jordà-Siquier, B Winblad… - Brain …, 2021 - academic.oup.com
Synaptic degeneration has been reported as one of the best pathological correlates of cognitive
deficits in Alzheimer’s disease. However, the location of these synaptic alterations within …

[HTML][HTML] Non-specific detection of a major Western blotting band in human brain homogenates by a multitude of amyloid precursor protein antibodies

…, JL Lundgren, TB Köse, T Jordà-Siquier… - Frontiers in Aging …, 2019 - frontiersin.org
The use of human post-mortem brain material is of great value when investigating which
pathological mechanisms occur in human brain, and to avoid translational problems which …

Mesencephalic dopamine neurons interfacing the shell of nucleus accumbens and the dorsolateral striatum in the rat

…, A Meinderts, T Jordà Siquier… - Journal of …, 2018 - Wiley Online Library
Parallel corticostriatonigral circuits have been proposed that separately process motor,
cognitive, and emotional‐motivational information. Functional integration requires that …

APP accumulates around dense-core amyloid plaques with presynaptic proteins in Alzheimer's disease brain

T Jordà-Siquier, M Petrel, V Kouskoff, F Cordelières… - bioRxiv, 2020 - biorxiv.org
In Alzheimer’s disease (AD), a central role is given to the extracellular deposition of Aβ
peptides, remotely produced by the proteolysis of the amyloid precursor protein (APP). This …

Efficient image analysis for large-scale next generation histopathology using pAPRica

J Scholler, J Jonsson, T Jordá-Siquier, I Gantar, L Batti… - bioRxiv, 2023 - biorxiv.org
The large size of imaging datasets generated by next-generation histology methods limits
the adoption of those approaches in research and the clinic. We propose pAPRica (pipelines …

Physiological and pathological roles of the amyloid precursor protein at the presynapse

TJ Siquier - 2021 - theses.hal.science
Alzheimer’s disease (AD) is a progressive neurodegenerative disease which affects 47
million people worldwide, being the most prominent type of dementia. The etiology of the …

Rôles physiologiques et pathologiques de la protéine précurseur amyloïde à la présynapse

T Jordà Siquier - 2021 - theses.fr
La maladie d'Alzheimer (MA) est une maladie neurodégénérative qui touche 47 millions de
personnes dans le monde et représente le type de démence le plus répandu. L'étiologie de …

Open-source image analysis pipeline with 100+ fold speed-up and real-time compression (Conference Presentation)

J Scholler, J Jonsson, T Jorda-Siquier… - Three-Dimensional …, 2023 - spiedigitallibrary.org
We propose an end-to-end image analysis pipeline based on the Adaptive Particle Representation
(APR) for analyzing large 3D cleared tissue samples such as whole mouse brains or …