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Record W4411357646 · doi:10.1101/2025.06.13.659577

Modulation of SLP-2 expression protects against alpha-synuclein neuropathology by mitigating mitochondrial dysfunction

2025· preprint· en· W4411357646 on OpenAlexafffund
Cyril Bolduc, Maria Paulina Castelo Rueda, Marina Lorente Picón, Giovanna Gentile, Sreehari Kalvakuri, Victoria Soto Linan, Alessandra Zanon, Sofien Laouafa, Martin Lang, Alexandros Α. Lavdas, Valentina Gilmozzi, Greta Bernardo, Vincent Coulombe, Charles Gora, Modesto R. Peralta, Véronique Rioux, Claudia Honisch, Peter P. Pramstaller, Paolo Ruzza, Elena Ziviani, Rolf Bodmer, Andrew A. Hicks, Martin Parent, Jorge Soliz, Vincent Joseph, Irene Pichler, Martin Lévesque

Bibliographic record

VenuebioRxiv (Cold Spring Harbor Laboratory) · 2025
Typepreprint
Languageen
FieldMedicine
TopicParkinson's Disease Mechanisms and Treatments
Canadian institutionsInstitut universitaire de cardiologie et de pneumologie de QuébecUniversité Laval
FundersCanadian Institutes of Health Research
KeywordsNeuropathologyAlpha-synucleinNeuroscienceModulation (music)Alpha (finance)Cell biologyChemistryBiologyPsychologyPhysicsParkinson's diseaseMedicineInternal medicineDevelopmental psychologyDisease

Abstract

fetched live from OpenAlex

Abstract Parkinson’s Disease (PD) is a progressive neurodegenerative disorder characterized by dopaminergic neuron loss and the accumulation of alpha-synuclein (αSyn)-rich aggregates known as Lewy bodies. Mitochondrial dysfunction is a key contributor to PD pathology, and mitochondrial defects are part of the pathogenic mechanisms induced by αSyn. Stomatin-Like protein 2 (SLP-2) is a mitochondrial scaffold protein that regulates mitochondrial integrity and function. Here, we investigated whether SLP-2 induction can counteract αSyn-induced mitochondrial dysfunction and neurodegeneration. We found that SLP-2 levels were reduced in human PD brains and an A53T αSyn mouse model. Mild overexpression of SLP-2 improved mitochondrial function, reduced oxidative stress, and prevented αSyn-mitochondria interactions in human iPSC-derived neurons. In vivo , SLP-2 overexpression protected dopaminergic neurons and motor function, while its depletion exacerbated degeneration and motor deficits in both mouse and Drosophila models. These findings suggest SLP-2 as a key regulator of mitochondrial resilience and a potential therapeutic target for PD and alpha-synucleinopathies.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.002
Threshold uncertainty score0.006

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0020.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.228
Teacher spread0.216 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designBench or experimental
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2025
Admission routes2
Has abstractyes

Explore more

Same venuebioRxiv (Cold Spring Harbor Laboratory)→Same topicParkinson's Disease Mechanisms and Treatments→French-language works237,207→