Evidence map›Paper›PMID 15784175›Full record

ArticleJournal of cellular and molecular medicine

Interstitial cells of Cajal in pancreas.

L M Popescu, M E Hinescu, N Ionescu, Sanda M Ciontea, D Cretoiu, Carmen Ardelean

Open access · hybridAbstract readComparative Study
In one paragraph

Article in Journal of cellular and molecular medicine. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 90 papers.

0numbers the graph read from it
0cells of the map it votes in
90citing papers in PubMed
13.0field-weighted citation impact, top 1% 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

90 citing papers in PubMed, 178 citations in OpenAlex.

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  19. Emerging diverse roles of telocytes.Development (Cambridge, England) · 2019
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30 more citing papers are in PubMed but not listed here.

4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

6 authors at 2 institutions in 1 country.

L M PopescuDepartment of Cellular and Molecular Medicine, "Carol Davila" University of Medicine and Pharmacy, P.O. Box 35-29, Bucharest 35, Romania. LMP@univermed-cdgm.ro
M E Hinescu
N Ionescu
Sanda M Ciontea
D Cretoiu
Carmen Ardelean
Carol Davila University of Medicine and Pharmacy · ROInstitutul National Victor Babes · RO

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We show here (presumably for the first time) a special type of cell in the human and rat exocrine pancreas. These cells have phenotypic characteristics of the enteric interstitial cells of Cajal (ICC). To identify pancreatic interstitial cells of Cajal (pICC) we used routine light microscopy, non-conventional light microscopy (less than 1 mum semi-thin sections of Epon-embedded specimens cut by ultramicrotomy and stained with Toluidine blue), transmission electron microscopy (TEM), and immunocytochemistry. The results showed that pICC can be recognized easily by light microscopy, particularly on semi-thin sections, as well as by TEM. Two-dimensional reconstructions from serial photos suggest a network-like spatial distribution of pICC. pICC represent 3.3+/-0.5% of all pancreatic cells, and seem to establish close spatial relationships with: capillaries (43%), acini (40%), stellate cells (14%), nerve fibres (3%). Most of pICC (88%) have 2 or 3 long processes (tens of mum) emerging from the cell body. TEM data show that pICC meet the criteria for positive diagnosis as ICC (e.g. numerous mitochondria, 8.7+/-0.8% of cytoplasm). Immunocytochemistry revealed that pICC are CD117/c-kit and CD34 positive. We found pICC positive (40-50%) for smooth muscle alpha-actin or S-100, and, occasionally, for CD68, NK1 neurokinin receptor and vimentin. The reactions for desmin and chromogranin A were negative in pICC. At present, only hypotheses and speculations can be formulated on the possible role of the pICC (e.g., juxtacrine and/or paracrine roles). In conclusion, the quite-established dogma: "ICC only in cavitary organs" is overpassed.

Indexed as

Coiled BodiesActinsAnimalsAntigens, CDCell SizeHumansImmunohistochemistryMaleMethylene BlueModels, BiologicalPancreasProto-Oncogene Proteins c-kitRatsRats, WistarS100 ProteinsStaining and LabelingActinsAntigens, CDMethylene BlueProto-Oncogene Proteins c-kitS100 ProteinsTolonium Chloride

Identifiers

PMID15784175
PMCPMC6741310
OpenAlexW2043024182

What OpenQuestion holds

Textmetadata
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.