Evidence map›Paper›PMID 32350326›Full record

ArticleScientific reports2020

Multi-layered Free-form 3D Cell-printed Tubular Construct with Decellularized Inner and Outer Esophageal Tissue-derived Bioinks.

Hyoryung Nam, Hun-Jin Jeong, Yeonggwon Jo, Jae Yeon Lee, Dong-Heon Ha, Ji Hyun Kim, Jae Hee Chung, Young-Sam Cho, Dong-Woo Cho, Seung-Jae Lee and 1 more

Abstract read
In one paragraph

Article in Scientific reports, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing 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

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

23 citing papers in PubMed.

  1. Article
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  10. Article
  11. Article
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  13. Tissue Engineering for Gastrointestinal and Genitourinary Tracts.International journal of molecular sciences · 2022
    Review
  14. Article
  15. Review
  16. Article
  17. Review
  18. Emerging Technologies in Multi-Material Bioprinting.Advanced materials (Deerfield Beach, Fla.) · 2021
    Review
  19. Review
  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

11 authors.

Hyoryung Nam *Department of Creative IT Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea.
Hun-Jin Jeong *Department of Mechanical Engineering, Wonkwang University, Iksan-daero, Iksan, Jeollabuk-do, Republic of Korea.
Yeonggwon JoSchool of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea.
Jae Yeon LeeDepartment of Mechanical Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea.
Dong-Heon HaDepartment of Mechanical Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea.
Ji Hyun KimDepartment of Surgery, Collage of Medicine, The Catholic University of Korea, Banpo-daero, Seoul, Republic of Korea.
Jae Hee ChungDepartment of Surgery, Collage of Medicine, The Catholic University of Korea, Banpo-daero, Seoul, Republic of Korea.ORCID http://orcid.org/0000-0002-5866-119X
Young-Sam ChoDepartment of Mechanical Engineering, Wonkwang University, Iksan-daero, Iksan, Jeollabuk-do, Republic of Korea.
Dong-Woo ChoDepartment of Mechanical Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea.ORCID http://orcid.org/0000-0001-5869-4330
Seung-Jae LeeDepartment of Mechanical Engineering, Wonkwang University, Iksan-daero, Iksan, Jeollabuk-do, Republic of Korea. sjlee411@wku.ac.kr.
Jinah JangDepartment of Creative IT Engineering, Pohang University of Science and Technology, San 31, Pohang, Gyeongbuk, Republic of Korea. jinahjang@postech.ac.kr.ORCID http://orcid.org/0000-0001-9046-3495

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The incidences of various esophageal diseases (e.g., congenital esophageal stenosis, tracheoesophageal fistula, esophageal atresia, esophageal cancer) are increasing, but esophageal tissue is difficult to be recovered because of its weak regenerative capability. There are no commercialized off-the-shelf alternatives to current esophageal reconstruction and regeneration methods. Surgeons usually use ectopic conduit tissues including stomach and intestine, presumably inducing donor site morbidity and severe complications. To date, polymer-based esophageal substitutes have been studied as an alternative. However, the fabrication techniques are nearly limited to creating only cylindrical outer shapes with the help of additional apparatus (e.g., mandrels for electrospinning) and are unable to recapitulate multi-layered characteristic or complex-shaped inner architectures. 3D bioprinting is known as a suitable method to fabricate complex free-form tubular structures with desired pore characteristic. In this study, we developed a extrusion-based 3D printing technique to control the size and the shape of the pore in a single extrusion process, so that the fabricated structure has a higher flexibility than that fabricated in the conventional process. Based on this suggested technique, we developed a bioprinted 3D esophageal structure with multi-layered features and converged with biochemical microenvironmental cues of esophageal tissue by using decellularizedbioinks from mucosal and muscular layers of native esophageal tissues. The two types of esophageal tissue derived-decellularized extracellular matrix bioinks can mimic the inherent components and composition of original tissues with layer specificity. This structure can be applied to full-thickness circumferential esophageal defects and esophageal regeneration.

Indexed as

Printing, Three-DimensionalTissue BanksTissue ScaffoldsBioprintingCellular MicroenvironmentEsophagusExtracellular MatrixHumansTissue Engineering

Identifiers

PMID32350326
PMCPMC7190629

What OpenQuestion holds

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Registered trials

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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.