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The Role of Epigenetics in Cancer: From Molecular Function to High-Throughput Assays

2011· book-chapter· en· W56364248 on OpenAlexaff
Aleksandra Pękowska, Joaquin Zacarías-Cabeza, Jia Jinsong, Pierre Ferrier, Salvatore Spicuglia

Bibliographic record

VenueHumana Press eBooks · 2011
Typebook-chapter
Languageen
FieldBiochemistry, Genetics and Molecular Biology
TopicEpigenetics and DNA Methylation
Canadian institutionsCanadian Nautical Research Society
Fundersnot available
KeywordsEpigeneticsEpigenomeBiologyChromatinHistoneDNA methylationComputational biologyCancer epigeneticsEpigenetic therapyGeneticsGeneGene expressionHistone methyltransferase

Abstract

fetched live from OpenAlex

The notion of epigenetics encompasses various modifications of chromatin, including DNA methylation and post-translational modifications of histone proteins that can be stably transmitted through mitosis. Epigenetics plays a fundamental role in normal cell physiology as it is molecularly involved in virtually all chromatin-associated processes, including gene expression, DNA replication and repair. Alterations in the global profile of epigenetic modifications are commonly observed in cancer and are believed to be associated with the establishment and clonal maintenance of an aberrant gene expression pattern. Recent technological advances have enabled to assess the epigenetic signature of a given cell type in a genome-wide manner. These comparative epigenome studies have significantly increased our understanding of the oncogenic process. In addition, they constitute promising tools for improved classification and diagnosis of cancer patients, ultimately leading to the design of personalised therapies. In this chapter, we focus on the role of epigenetics in normal and pathological cell development. We outline recent large-scale assays of epigenetic profiling in normal and cancer tissue samples as well as pertinent new discoveries linking epigenetics and cancer. These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: none
GenreCandidate signal: Other · Consensus signal: none
Teacher disagreement score0.006
Threshold uncertainty score0.019

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.001
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0020.002
Science and technology studies0.0000.001
Scholarly communication0.0020.002
Open science0.0010.001
Research integrity0.0010.002
Insufficient payload (model declined to judge)0.0060.005

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 head0.029
GPT teacher head0.252
Teacher spread0.222 · 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 designNot applicable
Domainnot available
GenreOther

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
Published2011
Admission routes1
Has abstractyes

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