Evidence map›Paper›PMID 29847794›Full record

ArticleCell reports2018

Aerobic Glycolysis Is Essential for Normal Rod Function and Controls Secondary Cone Death in Retinitis Pigmentosa.

Lolita Petit, Shan Ma, Joris Cipi, Shun-Yun Cheng, Marina Zieger, Nissim Hay, Claudio Punzo

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in Cell reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT05537220 (NAC Attack, A Phase III, Multicenter, Randomized, Parallel, Double Masked, Placebo-Controlled Study Evaluating the Efficacy and Safety of Oral N-Acetylcysteine in Patients With Retinitis Pigmentosa), which is not on this map. Cited by 96 papers.

0numbers the graph read from it
0cells of the map it votes in
96citing papers in PubMed
4.5field-weighted citation impact, top 4% 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.

NCT05537220 phase3active not recruitingnot on this mapstarted 2023, after this paper: background citation

NAC Attack, A Phase III, Multicenter, Randomized, Parallel, Double Masked, Placebo-Controlled Study Evaluating the Efficacy and Safety of Oral N-Acetylcysteine in Patients With Retinitis Pigmentosa

TypeinterventionalSponsorJohns Hopkins UniversityRan2023 to 2030Enrolled485ConditionsRetinitis PigmentosaArmsN-acetylcysteine, Placebo
3 · Its place in the literature

Who cites it

96 citing papers in PubMed, 127 citations in OpenAlex.

  1. Article
  2. Article
  3. Review
  4. Article
  5. An siRNA targetingMolecular therapy. Nucleic acids · 2026
    Article
  6. Article
  7. Review
  8. Article
  9. Article
  10. Neuroprotection in Diabetes Retinal Disease: An Unmet Medical Need.International journal of molecular sciences · 2026
    Review
  11. Selective deletion ofiScience · 2026
    Article
  12. Article
  13. A mutation inMolecular vision · 2026
    Article
  14. Review
  15. Article
  16. Review
  17. Article
  18. Article
  19. Article
  20. Article

36 more citing papers are in PubMed but not listed here.

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

7 authors at 2 institutions in 1 country.

Lolita PetitDepartment of Ophthalmology and Gene Therapy Center, University of Massachusetts Medical School, Worcester, MA, USA.
Shan MaDepartment of Ophthalmology and Gene Therapy Center, University of Massachusetts Medical School, Worcester, MA, USA.
Joris CipiDepartment of Ophthalmology and Gene Therapy Center, University of Massachusetts Medical School, Worcester, MA, USA.
Shun-Yun ChengDepartment of Ophthalmology and Gene Therapy Center, University of Massachusetts Medical School, Worcester, MA, USA.
Marina ZiegerDivision of Pulmonary Medicine, Department of Pediatrics, University of Massachusetts Medical School, Worcester, MA, USA.
Nissim HayDepartment of Biochemistry and Molecular Genetics, College of Medicine, University of Illinois at Chicago, Chicago, IL, USA.
Claudio PunzoDepartment of Ophthalmology and Gene Therapy Center, University of Massachusetts Medical School, Worcester, MA, USA. Electronic address: claudio.punzo@umassmed.edu.
University of Massachusetts Chan Medical School · USUniversity of Illinois Chicago · US

Funding

The Role of Akt in Cell Survival and Cell GrowthR01AG016927 · NIA · UNIVERSITY OF ILLINOIS AT CHICAGO · PI HAY, NISSIM · 1998 to 2023
$9.0M
Hexokinase 2 in liver cancerR01CA206167 · NCI · UNIVERSITY OF ILLINOIS AT CHICAGO · PI HAY, NISSIM · 2016 to 2020
$2.1M
Delaying Cone Death in Retinitis PigmentosaR01EY023570 · NEI · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI PUNZO, CLAUDIO · 2013 to 2017
$2.1M
Testing the role of Glucose deprivation during secondary cone death in Retinitis PigmentosaR21EY030166 · NEI · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI PUNZO, CLAUDIO · 2019 to 2020
$461k
Hexokinase 2 and cancer therapyI01BX000733 · VA · JESSE BROWN VA MEDICAL CENTER · PI HAY, NISSIM · 2012 to 2020
–
BLRD VA I01 BX000733NCI NIH HHS R01 CA206167NEI NIH HHS R01 EY023570NEI NIH HHS R21 EY030166NIA NIH HHS R01 AG016927
6 · The paper itself

Abstract

Aerobic glycolysis accounts for ∼80%-90% of glucose used by adult photoreceptors (PRs); yet, the importance of aerobic glycolysis for PR function or survival remains unclear. Here, we further established the role of aerobic glycolysis in murine rod and cone PRs. We show that loss of hexokinase-2 (HK2), a key aerobic glycolysis enzyme, does not affect PR survival or structure but is required for normal rod function. Rods with HK2 loss increase their mitochondrial number, suggesting an adaptation to the inhibition of aerobic glycolysis. In contrast, cones adapt without increased mitochondrial number but require HK2 to adapt to metabolic stress conditions such as those encountered in retinitis pigmentosa, where the loss of rods causes a nutrient shortage in cones. The data support a model where aerobic glycolysis in PRs is not a necessity but rather a metabolic choice that maximizes PR function and adaptability to nutrient stress conditions.

Indexed as

GlycolysisAerobiosisAnimalsCell DeathCell SurvivalHexokinaseMice, KnockoutMitochondriaRetinal Cone Photoreceptor CellsRetinal Rod Photoreceptor CellsRetinitis PigmentosaStress, PhysiologicalHexokinaseaerobic glycolysisconeshexokinase-2metabolic couplingoxidative phosphorylationretinitis pigmentosarod metabolismrods

Identifiers

PMID29847794
PMCPMC5997286
OpenAlexW2805089858

What Socratic holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

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 Socratic graph.