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11 Results Found

  • Opinion
  • Open Access
1,203 Views
11 Pages

Ocular Surface Microbiota and Corneal Transplant Outcome: Is There a Link?

  • Michele Potenza,
  • Antonio Moramarco,
  • Annalisa Astolfi,
  • Carmen Ciavarella,
  • Luigi Fontana and
  • Piera Versura

Recent research has highlighted the critical role of microbiota in organ transplant outcomes, particularly in the gut. However, the impact of ocular surface microbiota (OSM) on corneal transplantation remains largely unexplored. This piece examines t...

  • Article
  • Open Access
36 Citations
4,561 Views
11 Pages

Characterization of Ocular Surface Microbial Profiles Revealed Discrepancies between Conjunctival and Corneal Microbiota

  • Anna Matysiak,
  • Michal Kabza,
  • Justyna A. Karolak,
  • Marcelina M. Jaworska,
  • Malgorzata Rydzanicz,
  • Rafal Ploski,
  • Jacek P. Szaflik and
  • Marzena Gajecka

The ocular microbiome composition has only been partially characterized. Here, we used RNA-sequencing (RNA-Seq) data to assess microbial diversity in human corneal tissue. Additionally, conjunctival swab samples were examined to characterize ocular s...

  • Article
  • Open Access
21 Citations
4,128 Views
18 Pages

Distinctive Microbial Signatures and Gut-Brain Crosstalk in Pediatric Patients with Coeliac Disease and Type 1 Diabetes Mellitus

  • Parul Singh,
  • Arun Rawat,
  • Bara Al-Jarrah,
  • Saras Saraswathi,
  • Hoda Gad,
  • Mamoun Elawad,
  • Khalid Hussain,
  • Mohammed A. Hendaus,
  • Wesam Al-Masri and
  • Anthony K. Akobeng
  • + 2 authors

3 February 2021

Coeliac disease (CD) and Type 1 diabetes mellitus (T1DM) are immune-mediated diseases. Emerging evidence suggests that dysbiosis in the gut microbiome plays a role in the pathogenesis of both diseases and may also be associated with the development o...

  • Article
  • Open Access
7 Citations
3,336 Views
18 Pages

The present study investigated the effect of orally administered Limosilactobacillus fermentum HY7302 (HY7302) on the relationship between ocular tissue and the microbiome in a corneal injury dry eye mouse model. Specifically, 0.1% benzalkonium chlor...

  • Article
  • Open Access
1 Citations
1,330 Views
13 Pages

Concomitant Potentially Contagious Factors Detected in Poland and Regarding Acanthamoeba Strains, Etiological Agents of Keratitis in Humans

  • Lidia Chomicz,
  • Jacek P. Szaflik,
  • Agnieszka Kuligowska,
  • David Bruce Conn,
  • Wanda Baltaza,
  • Beata Szostakowska,
  • Paweł J. Zawadzki,
  • Monika Dybicz,
  • Anna Machalińska and
  • Jerzy Szaflik
  • + 2 authors

Background: Diseases in humans caused by amphizoic amoebae that can result in visual impairment and even blindness, have recently been identified more frequently worldwide. Etiologically complex incidents of keratitis, including those connected with...

  • Article
  • Open Access
2 Citations
1,688 Views
8 Pages

No Evidence of Chronic Infection in a Metagenomic Sequencing Study of the Keratoconus Corneal Epithelium

  • Pritpal Kaur,
  • Loren Moon,
  • Divya Srikumaran,
  • Steven L. Salzberg,
  • Jennifer Lu,
  • Patricia J. Simner and
  • Uri S. Soiberman

11 June 2024

Objectives: This study aims to assess the presence of pathogenic microorganisms in the corneal epithelial layer of keratoconus patients. Methods: DNA was extracted from corneal epithelial samples procured from ten individual keratoconus eyes and thre...

  • Article
  • Open Access
25 Citations
5,220 Views
12 Pages

Ocular Surface Microbiota in Contact Lens Users and Contact-Lens-Associated Bacterial Keratitis

  • Jasmine Andersson,
  • Josef K. Vogt,
  • Marlene D. Dalgaard,
  • Oluf Pedersen,
  • Kim Holmgaard and
  • Steffen Heegaard

3 June 2021

Our objectives were to investigate whether the conjunctival microbiota is altered by contact lens wear and/or bacterial keratitis and to explore the hypothesis that commensals of conjunctival microbiota contribute to bacterial keratitis. Swab samples...

  • Article
  • Open Access
96 Citations
8,123 Views
13 Pages

Clinical Effect of IRT-5 Probiotics on Immune Modulation of Autoimmunity or Alloimmunity in the Eye

  • Jaeyoung Kim,
  • Se Hyun Choi,
  • Yu Jeong Kim,
  • Hyun Jeong Jeong,
  • Jin Suk Ryu,
  • Hyun Ju Lee,
  • Tae Wan Kim,
  • Sin-Hyeog Im,
  • Joo Youn Oh and
  • Mee Kum Kim

25 October 2017

Background: Although the relation of the gut microbiota to a development of autoimmune and inflammatory diseases has been investigated in various animal models, there are limited studies that evaluate the effect of probiotics in the autoimmune eye di...

  • Review
  • Open Access
32 Citations
14,568 Views
14 Pages

An Omics Approach to Diagnosing or Investigating Fungal Keratitis

  • Ming-Tse Kuo,
  • Jiunn-Liang Chen,
  • Shiuh-Liang Hsu,
  • Alexander Chen and
  • Huey-Ling You

Fungal keratitis (FK) is one of the most severe corneal infectious diseases. FK often leads to poor visual prognosis and thus requires accurate diagnosis. Conventional approaches, including clinical diagnoses, smears, and cultures, often fail to prov...

  • Article
  • Open Access
1 Citations
1,413 Views
14 Pages

Potential Role of Malassezia restricta in Pterygium Development

  • Martina Paradzik Simunovic,
  • Marina Degoricija,
  • Jelena Korac-Prlic,
  • Mladen Lesin,
  • Robert Stanic,
  • Livia Puljak,
  • Ivana Olujic,
  • Josipa Marin Lovric,
  • Ana Vucinovic and
  • Janos Terzic
  • + 5 authors

Pterygium is a condition affecting the ocular surface, marked by a triangular-shaped growth of fibrotic tissue extending from the nasal conjunctiva toward the corneal center, potentially causing visual impairment. While ultraviolet (UV )light exposur...

  • Article
  • Open Access
89 Citations
9,026 Views
19 Pages

Sjögren-Like Lacrimal Keratoconjunctivitis in Germ-Free Mice

  • Changjun Wang,
  • Mahira Zaheer,
  • Fang Bian,
  • Darin Quach,
  • Alton G. Swennes,
  • Robert A. Britton,
  • Stephen C. Pflugfelder and
  • Cintia S. De Paiva

13 February 2018

Commensal bacteria play an important role in the formation of the immune system but their role in the maintenance of immune homeostasis at the ocular surface and lacrimal gland remains poorly understood. This study investigated the eye and lacrimal g...