Evidence map›Paper›PMID 22249356›Full record

ReviewThe pharmacogenomics journal2012

Heterochromatin as an incubator for pathology and treatment non-response: implication for neuropsychiatric illness.

R P Sharma, D P Gavin, K A Chase

Open access · greenAbstract readReview
In one paragraph

Review in The pharmacogenomics journal, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.

0numbers the graph read from it
0cells of the map it votes in
12citing papers in PubMed
1.5field-weighted citation impact, top 19% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

12 citing papers in PubMed, 18 citations in OpenAlex.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

3 authors at 1 institution in 1 country.

R P SharmaThe Psychiatric Institute, University of Illinois at Chicago, Chicago, IL 60612, USA. rsharma@psych.uic.edu
D P Gavin
K A Chase
University of Illinois Chicago · US

Funding

The H3K9 HISTONE SWITCH; 'LEVELS' IN SCHIZOPHRENIA BLOOD AND BRAINR01MH094358 · NIMH · UNIVERSITY OF ILLINOIS AT CHICAGO · PI SHARMA, RAJIV PANDIT · 2012 to 2016
$2.3M
EPIGENETIC MODIFICATIONS OF GABA NEURONS IN PSYCHOSISK01MH069839 · NIMH · UNIVERSITY OF ILLINOIS AT CHICAGO · PI SHARMA, RAJIV PANDIT · 2005 to 2009
$867k
NIMH NIH HHS K01 MH069839NIMH NIH HHS MH069839NIMH NIH HHS R01 MH094358
6 · The paper itself

Abstract

Heterochromatin is a higher order assembly that is characterized by a genome-wide distribution, gene-repression, durability and potential to spread. In this light, it is an appealing mechanism to interpret the neurobiology of complex brain disorders such as schizophrenia where downregulation of expression appears to be the norm. H3K9 methylation (H3K9me) can initiate the seeding of a heterochromatin assembly on an inactive or poorly coordinated promoter as a consequence of a decline in transactivators either from disuse or from misuse. H3K9me can extend its influence by spatial spreading through the mechanism of recursively recruiting adapters, such as heterochromatin protein 1 (HP1) homodimers. HP1 itself serves as a platform for other repressive proteins such as DNA methyltransferases. In full color, heterochromatin can occupy genome-wide gene networks, tissue specific ontologies and even rearrange the nuclear architecture. Heterochromatin in the brain is modified by small molecule pharmacology and serves a physiological role in the functioning of dopamine neurons and the construction of memory. From a therapeutic perspective, the durable nature of heterochromatin implies that it may require disassembly before the full genomic-potential of standard pharmacotherapies is achieved, especially in treatment resistant patients.

Indexed as

AcetylationChromatin Assembly and DisassemblyChromobox Protein Homolog 5Chromosomal Proteins, Non-HistoneGene Expression RegulationHeterochromatinHistocompatibility AntigensHistone-Lysine N-MethyltransferaseHistonesHumansSchizophreniaChromobox Protein Homolog 5Chromosomal Proteins, Non-HistoneEHMT2 protein, humanHeterochromatinHistocompatibility AntigensHistone-Lysine N-MethyltransferaseHistones

Identifiers

PMID22249356
PMCPMC3644857
OpenAlexW1971779259

What OpenQuestion holds

Textmetadata
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Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.