Evidence map›Paper›PMID 31089411›Full record

ArticleOxidative medicine and cellular longevity2019

"Redox Imaging" to Distinguish Cells with Different Proliferative Indexes: Superoxide, Hydroperoxides, and Their Ratio as Potential Biomarkers.

Zhivko Zhelev, Ekaterina Georgieva, Dessislava Lazarova, Severina Semkova, Ichio Aoki, Maya Gulubova, Tatsuya Higashi, Rumiana Bakalova

Open access · hybridAbstract read
In one paragraph

Article in Oxidative medicine and cellular longevity, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
0.8field-weighted citation impact, top 18% 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

9 citing papers in PubMed, 9 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Review
  5. Review
  6. Article
  7. Review
  8. Review
  9. 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

8 authors at 4 institutions in 2 countries.

Zhivko ZhelevMedical Faculty, Trakia University, 11 Armejska Str., Stara Zagora 6000, Bulgaria.
Ekaterina GeorgievaMedical Faculty, Trakia University, 11 Armejska Str., Stara Zagora 6000, Bulgaria.
Dessislava LazarovaMedical Faculty, Sofia University, 1 Koziak Str., Sofia 1407, Bulgaria.
Severina SemkovaInstitute of Biophysics and Biomedical Engineering, Bulgarian Academy of Sciences, 21 Acad. G. Bonchev Str., Sofia 1113, Bulgaria.
Ichio AokiQuantum-state Controlled MRI Group, Institute of Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Chiba 263-8555, Japan.
Maya GulubovaMedical Faculty, Trakia University, 11 Armejska Str., Stara Zagora 6000, Bulgaria.
Tatsuya HigashiQuantum-state Controlled MRI Group, Institute of Quantum Life Science, National Institutes for Quantum and Radiological Science and Technology (QST), 4-9-1 Anagawa, Chiba 263-8555, Japan.ORCID 0000-0002-8338-4737
Rumiana BakalovaMedical Faculty, Sofia University, 1 Koziak Str., Sofia 1407, Bulgaria.ORCID 0000-0002-5309-3250
Trakia University · BGMedical University of Sofia · BGNational Institutes for Quantum Science and Technology · JPBulgarian Academy of Sciences · BG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The present study was directed to the development of EPR methodology for distinguishing cells with different proliferative activities, using "redox imaging." Three nitroxide radicals were used as redox sensors: (a) mito-TEMPO-cell-penetrating and localized mainly in the mitochondria; (b) methoxy-TEMPO-cell-penetrating and randomly distributed between the cytoplasm and the intracellular organelles; and (c) carboxy-PROXYL-nonpenetrating in living cells and evenly distributed in the extracellular environment. The experiments were conducted on eleven cell lines with different proliferative activities and oxidative capacities, confirmed by conventional analytical tests. The data suggest that cancer cells and noncancer cells are characterized by a completely different redox status. This can be analyzed by EPR spectroscopy using mito-TEMPO and methoxy-TEMPO, but not carboxy-PROXYL. The correlation analysis shows that the EPR signal intensity of mito-TEMPO in cell suspensions is closely related to the superoxide level. The described methodology allows the detection of overproduction of superoxide in living cells and their identification based on the intracellular redox status. The experimental data provide evidences about the role of superoxide and hydroperoxides in cell proliferation and malignancy.

Indexed as

AntioxidantsBiomarkersCell LineCell ProliferationCyclic N-OxidesElectron Spin Resonance SpectroscopyHumansHydrogen PeroxideLeukemiaLymphocytesNitrogen OxidesOxidation-ReductionSuperoxidesAntioxidantsBiomarkersCyclic N-OxidesHydrogen PeroxideNitrogen OxidesnitroxylSuperoxidesTEMPO

Identifiers

PMID31089411
PMCPMC6476105
OpenAlexW2940195999

What OpenQuestion holds

Textmetadata
LicenceCC BY
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.