Evidence map›Paper›PMID 34152937›Full record

ReviewTissue barriers2021

The blood-brain and gut-vascular barriers: from the perspective of claudins.

Anna Agata Scalise, Nikolaos Kakogiannos, Federica Zanardi, Fabio Iannelli, Monica Giannotta

Open access · bronzeAbstract readReview
In one paragraph

Review in Tissue barriers, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed, 1 pooled it
4.8field-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.

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

49 citing papers in PubMed, 1 synthesis or guideline pooled it, 78 citations in OpenAlex.

  1. Pooled it
  2. Review
  3. Review
  4. The gut-bone-inflammation axis: intestinal barrier disruption as a central driver of osteoporosis.Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA · 2026
    Review
  5. Review
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  8. Review
  9. Review
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  12. Article
  13. Metal-Associated Particulate Matter (PMInternational journal of molecular sciences · 2025
    Article
  14. Review
  15. Review
  16. Review
  17. Article
  18. Tight Junction Proteins and Blood-brain Barrier Integrity in Pediatric Obsessive-compulsive Disorder: A Study on Claudin-5, Claudin-12, Occludin, Tricellulin, and Angulin-1.Clinical psychopharmacology and neuroscience : the official scientific journal of the Korean College of Neuropsychopharmacology · 2025
    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

5 authors at 1 institution in 1 country.

Anna Agata ScaliseFIRC Institute of Molecular Oncology, Milan, Italy.
Nikolaos KakogiannosFIRC Institute of Molecular Oncology, Milan, Italy.
Federica ZanardiFIRC Institute of Molecular Oncology, Milan, Italy.
Fabio IannelliFIRC Institute of Molecular Oncology, Milan, Italy.
Monica GiannottaFIRC Institute of Molecular Oncology, Milan, Italy.ORCID 0000-0003-3789-3335
IFOM · IT

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In some organs, such as the brain, endothelial cells form a robust and highly selective blood-to-tissue barrier. However, in other organs, such as the intestine, endothelial cells provide less stringent permeability, to allow rapid exchange of solutes and nutrients where needed. To maintain the structural and functional integrity of the highly dynamic blood-brain and gut-vascular barriers, endothelial cells form highly specialized cell-cell junctions, known as adherens junctions and tight junctions. Claudins are a family of four-membrane-spanning proteins at tight junctions and they have both barrier-forming and pore-forming properties. Tissue-specific expression of claudins has been linked to different diseases that are characterized by barrier impairment. In this review, we summarize the more recent progress in the field of the claudins, with particular attention to their expression and function in the blood-brain barrier and the recently described gut-vascular barrier, under physiological and pathological conditions.

Indexed as

ClaudinsEndothelial CellsAmyloid beta-PeptidesAnimalsBrainMiceTight JunctionsAmyloid beta-PeptidesClaudinsblood–brain barrierClaudinsgut–vascular barrierpermeability barriertight junctions

Identifiers

PMID34152937
PMCPMC8489939
OpenAlexW3173957728

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
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.