MétaCan
Menu
Back to cohort
Record W1966717195 · doi:10.1016/j.febslet.2012.06.040

Methamphetamine binds to α‐synuclein and causes a conformational change which can be detected by nanopore analysis

2012· article· en· W1966717195 on OpenAlexaff
Omid Tavassoly, Jeremy S. Lee

Bibliographic record

VenueFEBS Letters · 2012
Typearticle
Languageen
FieldMedicine
TopicParkinson's Disease Mechanisms and Treatments
Canadian institutionsUniversity of Saskatchewan
Fundersnot available
KeywordsCircular dichroismMethamphetamineConformational changeAlpha-synucleinChemistryBiophysicsDopaminergicNanoporeDrugDementia with Lewy bodiesParkinson's diseaseBiochemistryDiseaseBiologyMedicineDopamineNeurosciencePharmacologyDementiaInternal medicineNanotechnologyMaterials science

Abstract

fetched live from OpenAlex

α-Synuclein is an intrinsically disordered protein of 140 amino acids which is abundant in dopaminergic neurons. Misfolding and aggregation of α-synuclein leads to the formation of Lewy bodies inside the neurons which is the hallmark of Parkinson's disease and related dementias. Here we show by nanopore analysis that the recreational drug, methamphetamine, binds to the N-terminus of α-synuclein and causes a conformational change which cannot be detected by circular dichroism spectroscopy. The results suggest a mechanism for the psychoactivity of methamphetamine as well as an increased incidence of Parkinson's disease amongst users of the drug.

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 distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.221
Threshold uncertainty score0.639

Codex and Gemma teacher scores by category

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

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 head0.026
GPT teacher head0.267
Teacher spread0.241 · 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 teacher head, not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
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

Citations52
Published2012
Admission routes1
Has abstractyes

Explore more

Same venueFEBS LettersSame topicParkinson's Disease Mechanisms and TreatmentsFrench-language works237,207