ijms-logo

Journal Browser

Journal Browser

Cellular and Molecular Biology in the Compromised Neonate

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pathology, Diagnostics, and Therapeutics".

Deadline for manuscript submissions: 20 February 2025 | Viewed by 4164

Special Issue Editor


E-Mail Website
Guest Editor
Department of Pediatrics, School of Oncology and Reproduction (GROW), Maastricht University, 6229 ER Maastricht, The Netherlands
Interests: fetal/neonatal development; immune modulation; pharmacological nutrition; plant sterols; cell-based therapies
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Neonates can face various perinatal injurious events including infections, placental dysfunction, disrupted oxygen supply, and alterations in blood flow and mechanical ventilation, and these injurious events around birth have been identified as important risk factors for the development of adverse outcomes in later life. Although our understanding of the pathophysiological processes in the compromised neonate has increased enormously in recent years, therapeutic options in the clinic to improve neonatal outcome in the perinatal period are still limited. Therefore, there is a great need to improve our understanding of the underlying mechanisms leading to these adverse outcomes upon a bad start in life. This renewed knowledge can then be used to identify new therapeutic targets to improve short- and long-term outcomes of the vulnerable neonate. Therefore, this Special Issue aims to gather high-quality research manuscripts or reviews that focus on the molecular and cellular mechanisms in the course of injurious perinatal events that predispose to postnatal diseases throughout life.

Dr. Tim G. A. M. Wolfs
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • compromised neonate
  • infections
  • placental dysfunction
  • disrupted oxygen supply
  • molecular and cellular mechanisms

Benefits of Publishing in a Special Issue

  • Ease of navigation: Grouping papers by topic helps scholars navigate broad scope journals more efficiently.
  • Greater discoverability: Special Issues support the reach and impact of scientific research. Articles in Special Issues are more discoverable and cited more frequently.
  • Expansion of research network: Special Issues facilitate connections among authors, fostering scientific collaborations.
  • External promotion: Articles in Special Issues are often promoted through the journal's social media, increasing their visibility.
  • e-Book format: Special Issues with more than 10 articles can be published as dedicated e-books, ensuring wide and rapid dissemination.

Further information on MDPI's Special Issue polices can be found here.

Published Papers (1 paper)

Order results
Result details
Select all
Export citation of selected articles as:

Research

25 pages, 15791 KiB  
Article
Antenatal Ureaplasma Infection Causes Colonic Mucus Barrier Defects: Implications for Intestinal Pathologies
by Charlotte van Gorp, Ilse H. de Lange, Matthias C. Hütten, Carmen López-Iglesias, Kimberly R. I. Massy, Lilian Kessels, Kèvin Knoops, Iris Cuijpers, Mireille M. J. P. E. Sthijns, Freddy J. Troost, Wim G. van Gemert, Owen B. Spiller, George M. H. Birchenough, Luc J. I. Zimmermann and Tim G. A. M. Wolfs
Int. J. Mol. Sci. 2024, 25(7), 4000; https://doi.org/10.3390/ijms25074000 - 3 Apr 2024
Viewed by 3903
Abstract
Chorioamnionitis is a risk factor for necrotizing enterocolitis (NEC). Ureaplasma parvum (UP) is clinically the most isolated microorganism in chorioamnionitis, but its pathogenicity remains debated. Chorioamnionitis is associated with ileal barrier changes, but colonic barrier alterations, including those of the mucus barrier, remain [...] Read more.
Chorioamnionitis is a risk factor for necrotizing enterocolitis (NEC). Ureaplasma parvum (UP) is clinically the most isolated microorganism in chorioamnionitis, but its pathogenicity remains debated. Chorioamnionitis is associated with ileal barrier changes, but colonic barrier alterations, including those of the mucus barrier, remain under-investigated, despite their importance in NEC pathophysiology. Therefore, in this study, the hypothesis that antenatal UP exposure disturbs colonic mucus barrier integrity, thereby potentially contributing to NEC pathogenesis, was investigated. In an established ovine chorioamnionitis model, lambs were intra-amniotically exposed to UP or saline for 7 d from 122 to 129 d gestational age. Thereafter, colonic mucus layer thickness and functional integrity, underlying mechanisms, including endoplasmic reticulum (ER) stress and redox status, and cellular morphology by transmission electron microscopy were studied. The clinical significance of the experimental findings was verified by examining colon samples from NEC patients and controls. UP-exposed lambs have a thicker but dysfunctional colonic mucus layer in which bacteria-sized beads reach the intestinal epithelium, indicating undesired bacterial contact with the epithelium. This is paralleled by disturbed goblet cell MUC2 folding, pro-apoptotic ER stress and signs of mitochondrial dysfunction in the colonic epithelium. Importantly, the colonic epithelium from human NEC patients showed comparable mitochondrial aberrations, indicating that NEC-associated intestinal barrier injury already occurs during chorioamnionitis. This study underlines the pathogenic potential of UP during pregnancy; it demonstrates that antenatal UP infection leads to severe colonic mucus barrier deficits, providing a mechanistic link between antenatal infections and postnatal NEC development. Full article
(This article belongs to the Special Issue Cellular and Molecular Biology in the Compromised Neonate)
Show Figures

Figure 1

Back to TopTop