Evidence map›Paper›PMID 33909457›Full record

ArticleMolecular biology of the cell2021

Valproic acid-induced changes of 4D nuclear morphology in astrocyte cells.

Alexandr A Kalinin, Xinhai Hou, Alex S Ade, Gordon-Victor Fon, Walter Meixner, Gerald A Higgins, Jonathan Z Sexton, Xiang Wan, Ivo D Dinov, Matthew J O'Meara and 1 more

Open access · greenAbstract read
In one paragraph

Article in Molecular biology of the cell, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed, 1 pooled it
0.7field-weighted citation impact, top 31% 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

13 citing papers in PubMed, 1 synthesis or guideline pooled it, 15 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. Article
  4. Article
  5. Article
  6. Article
  7. How the chromatin landscape influences nuclear morphology.Frontiers in cell and developmental biology · 2025
    Review
  8. DNA density is a better indicator of a nuclear bleb than lamin B loss.bioRxiv : the preprint server for biology · 2024
    Article
  9. Article
  10. Article
  11. Article
  12. Article
  13. Sodium Valproate-Induced Chromatin Remodeling.Frontiers in cell and developmental biology · 2021
    Review
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

11 authors at 3 institutions in 3 countries.

Alexandr A KalininShenzhen Research Institute of Big Data, Chinese University of Hong Kong-Shenzhen, Shenzhen 518172, Guangdong, China.
Xinhai HouShenzhen Research Institute of Big Data, Chinese University of Hong Kong-Shenzhen, Shenzhen 518172, Guangdong, China.
Alex S AdeDepartment of Computational Medicine and Bioinformatics.
Gordon-Victor FonDepartment of Computational Medicine and Bioinformatics.
Walter MeixnerDepartment of Computational Medicine and Bioinformatics.
Gerald A HigginsDepartment of Computational Medicine and Bioinformatics.
Jonathan Z SextonDepartment of Internal Medicine, Gastroenterology, Michigan Medicine.
Xiang WanShenzhen Research Institute of Big Data, Chinese University of Hong Kong-Shenzhen, Shenzhen 518172, Guangdong, China.
Ivo D DinovDepartment of Computational Medicine and Bioinformatics.
Matthew J O'MearaDepartment of Computational Medicine and Bioinformatics.
Brian D AtheyDepartment of Computational Medicine and Bioinformatics.
Shenzhen Research Institute of Big Data · CNMichigan Medicine · USUniversity of Michigan · US

Funding

Michigan Institute for Clinical and Health Research (MICHR)UL1TR002240 · NCATS · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI LUMENG, JULIE C, MASHOUR, GEORGE ALEXANDER · 2017 to 2022
$54.9M
Pilot and Feasibility (P and F) ProgramP30DK089503 · NIDDK · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI RANDY J SEELEY · 2010 to 2026
$20.3M
COVID-19 supplement to a computational examination of threat and reward constructs in a predominantly low-income, longitudinal sample at increased risk for internalizing disordersR01MH121079 · NIMH · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI HYDE, LUKE WILLIAMSON, MITCHELL, COLTER M.S. · 2019 to 2024
$7.2M
Optimal Decision Making in Radiotherapy Using Panomics AnalyticsR01CA233487 · NCI · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI EL NAQA, ISSAM M. · 2019 to 2023
$2.4M
Pilot Projects CoreP20NR015331 · NINR · UNIVERSITY OF MICHIGAN AT ANN ARBOR · PI DINOV, IVO D · 2014 to 2018
$1.3M
NCATS NIH HHS UL1 TR002240NCI NIH HHS R01 CA233487NIDDK NIH HHS P30 DK089503NIMH NIH HHS R01 MH121079NINR NIH HHS P20 NR015331
6 · The paper itself

Abstract

Histone deacetylase inhibitors, such as valproic acid (VPA), have important clinical therapeutic and cellular reprogramming applications. They induce chromatin reorganization that is associated with altered cellular morphology. However, there is a lack of comprehensive characterization of VPA-induced changes of nuclear size and shape. Here, we quantify 3D nuclear morphology of primary human astrocyte cells treated with VPA over time (hence, 4D). We compared volumetric and surface-based representations and identified seven features that jointly discriminate between normal and treated cells with 85% accuracy on day 7. From day 3, treated nuclei were more elongated and flattened and then continued to morphologically diverge from controls over time, becoming larger and more irregular. On day 7, most of the size and shape descriptors demonstrated significant differences between treated and untreated cells, including a 24% increase in volume and 6% reduction in extent (shape regularity) for treated nuclei. Overall, we show that 4D morphometry can capture how chromatin reorganization modulates the size and shape of the nucleus over time. These nuclear structural alterations may serve as a biomarker for histone (de-)acetylation events and provide insights into mechanisms of astrocytes-to-neurons reprogramming.

Indexed as

AstrocytesCell NucleusCells, CulturedHistone Deacetylase InhibitorsHumansImage Processing, Computer-AssistedTime FactorsValproic AcidHistone Deacetylase InhibitorsValproic Acid

Identifiers

PMID33909457
PMCPMC8684733
OpenAlexW3158830853

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-SA
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.