Evidence map›Paper›PMID 35368732›Full record

ArticleJournal of orthopaedics

Assessment of the inherent chondrogenic potential of human articular cartilage-derived chondroprogenitors in pellet culture using a novel whole pellet processing approach.

Noel Naveen Johnson, Soosai Manickam Amirtham, B Sandya Rani, Solomon Sathishkumar, Grace Rebekah, Elizabeth Vinod

Abstract read
In one paragraph

Article in Journal of orthopaedics. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact
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

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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

1 citing paper in PubMed.

  1. 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

6 authors.

Noel Naveen JohnsonDepartment of Physiology, Christian Medical College, Vellore, India.
Soosai Manickam AmirthamDepartment of Physiology, Christian Medical College, Vellore, India.
B Sandya RaniCentre for Stem Cell Research, (A Unit of InStem, Bengaluru), Christian Medical College, Vellore, India.
Solomon SathishkumarDepartment of Physiology, Christian Medical College, Vellore, India.
Grace RebekahDepartment of Biostatistics, Christian Medical College, Vellore, India.
Elizabeth VinodDepartment of Physiology, Christian Medical College, Vellore, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: Cartilage-derived chondroprogenitors have been reported to possess the biological potential for cartilage repair. However, its inherent chondrogenic potential in pellet culture needs evaluation. In-vitro cartilage regeneration models based on pellet cultures have been employed to evaluate the chondrogenic potential of stem cells. Evaluation of the degree of differentiation routinely involves paraffin embedding, sectioning, and immunohistochemical staining of the pellet. However, since chondrogenic differentiation is commonly non-uniform, processing random sections could lead to inaccurate conclusions. The study aimed at assessing the inherent lineage bias of chondroprogenitors with and without chondrogenic induction, using a novel whole pellet processing technique. Methods: Human chondroprogenitors (n=3) were evaluated for MSC markers and processed in pellet cultures either with stromal medium (uninduced) or chondrogenic differentiation medium (induced) for 28 days. The whole pellets and the conventional paraffin-embedded sectioned pellets were subjected to Collagen type II immunostaining and assessed using confocal laser microscopy. The staining intensities of the whole pellet were compared to the paraffin sections and revalidated using qRT-PCR for COL2A1 expression. Results: Uninduced and induced pellets displayed Collagen type II in all the layers with comparable fluorescence intensities. COL2A1 expression in both pellets was comparable to confocal results. The study demonstrated that uninduced chondroprogenitors in pellet culture possess promising inherent chondrogenic potential. Confocal imaging of whole pellets displayed different degrees of chondrogenic differentiation in the entire pellet, thus its probable in-vivo behavior. Conclusion: The novel approach presented in this study could serve as an efficient in-vitro alternative for understanding translational application for cartilage repair.

Indexed as

Chondrogenic differentiationCollagen type IIConfocalWhole pellet

Identifiers

PMID35368732
PMCPMC8967706

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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.