Evidence map›Paper›PMID 34787318›Full record

ReviewJournal of cellular physiology2022

Role of autophagy in intervertebral disc degeneration.

Rebecca Kritschil, Melanie Scott, Gwendolyn Sowa, Nam Vo

Open access · greenAbstract readReview
In one paragraph

Review in Journal of cellular physiology, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 54 papers.

0numbers the graph read from it
0cells of the map it votes in
54citing papers in PubMed
7.5field-weighted citation impact, top 2% 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

54 citing papers in PubMed, 74 citations in OpenAlex.

  1. Article
  2. Current research on the role of HIF in intervertebral disc degeneration.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2026
    Review
  3. Article
  4. Article
  5. Article
  6. Abiotrophia defectiva spondylodiscitis: case report and literature review.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2026
    Review
  7. Review
  8. Review
  9. Review
  10. Article
  11. An Injectable AAm-DMAEMA/Alg-CaInternational journal of general medicine · 2026
    Article
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article
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

4 authors at 1 institution in 1 country.

Rebecca KritschilDepartment of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.ORCID 0000-0001-5056-0020
Melanie ScottDepartment of Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.ORCID 0000-0001-6864-5970
Gwendolyn SowaDepartment of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.ORCID 0000-0002-5935-0916
Nam VoDepartment of Orthopedic Surgery, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.ORCID 0000-0002-1265-8921
University of Pittsburgh · US

Funding

Inflammasome activation in trauma-hemorrhagic shockR01GM102146 · NIGMS · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI SCOTT, MELANIE J. · 2013 to 2025
$4.3M
Mechanisms of platelet exosome-mediated acute chest syndrome in sickle cell diseaseR01HL141080 · NHLBI · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI NEAL, MATTHEW D, NOVELLI, ENRICO M · 2019 to 2022
$3.1M
The role of cellular senescence in intervertebral disc agingR01AG044376 · NIA · UNIVERSITY OF PITTSBURGH AT PITTSBURGH · PI VO, NAM V · 2013 to 2017
$1.5M
NHLBI NIH HHS R01 HL141080NIA NIH HHS R01 AG044376NIA NIH HHS R01 AG044376-01NIGMS NIH HHS R01 GM102146NIH HHS R01 GM102146NIH HHS R01 HL141080
6 · The paper itself

Abstract

Intervertebral disc degeneration (IDD) is a leading contributor to low back pain. The intervertebral disc (IVD) is composed of three tissue types: the central gelatinous nucleus pulposus (NP) tissue, the surrounding annulus fibrosus (AF) tissue, and the inferior and superior cartilage endplates. The IVD microenvironment is hypoxic, acidic, hyperosmotic, and low in nutrients because it is mostly avascular. The cellular processes that underlie IDD initiation and progression are still poorly understood. Specifically, a lack of understanding regarding NP cell metabolism and physiology hinders the development of effective therapeutics to treat IDD patients. Autophagy is a vital intracellular degradation process that removes damaged organelles, misfolded proteins, and intracellular pathogens and recycles the degraded components for cellular energy and function. NP cells have adapted to survive within their harsh tissue microenvironment using processes that are largely unknown, and we postulate autophagy is one of these undiscovered mechanisms. In this review, we describe unique features of the IVD tissue, review how physiological stressors impact autophagy in NP cells in vitro, survey the current understanding of autophagy regulation in the IVD, and assess the relationship between autophagy and IDD. Published studies confirm autophagy markers are present in IVD tissue, and IVD cells can regulate autophagy in response to cellular stressors in vitro. However, data are still lacking to determine the exact mechanisms regulating autophagy in IVD cells. More in-depth research is needed to establish whether autophagy is necessary to maintain IVD cell health and validate autophagy as a relevant therapeutic target for treating IDD.

Indexed as

Annulus FibrosusIntervertebral DiscIntervertebral Disc DegenerationNucleus PulposusAutophagyHumansautophagyhypoxiaIntervertebral disc degenerationnucleus pulposusnutrient deficiency

Identifiers

PMID34787318
PMCPMC8866220
OpenAlexW3211635538

What OpenQuestion holds

Textmetadata
LicenceTDM
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.