Laura Ospina-Quintero

ORCID: 0000-0003-4336-7657
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About
Contact & Profiles
Research Areas
  • Atherosclerosis and Cardiovascular Diseases
  • Immune Cell Function and Interaction
  • T-cell and B-cell Immunology
  • Adipokines, Inflammation, and Metabolic Diseases
  • Cytomegalovirus and herpesvirus research
  • CAR-T cell therapy research
  • Inflammasome and immune disorders
  • Immune cells in cancer
  • Vitamin D Research Studies
  • Immune Response and Inflammation
  • Neuroinflammation and Neurodegeneration Mechanisms

Medizinische Hochschule Hannover
2021-2024

Universidad de Antioquia
2014-2021

Preterm infants are at high risk of developing neonatal sepsis. γδ T cells thought to be an important set effector in neonates. Here, were investigated a longitudinal cohort preterm neonates using next-generation sequencing, flow cytometry, and functional assays. During the first year life, Vγ9Vδ2 cell subset showed dynamic phenotypic changes elevated levels fetal-derived evident with Single-cell transcriptomics identified HLA-DRhiCD83+ sepsis, which expressed genes related antigen...

10.1084/jem.20231987 article EN The Journal of Experimental Medicine 2024-05-16

Abstract Signaling via interleukin-2 receptor (IL-2R) is a requisite for regulatory T (Treg) cell identity and function. However, it not completely understood to what degree IL-2R signaling required Treg homeostasis, lineage stability function in both resting inflammatory conditions. Here, we characterized spontaneous mutant mouse strain endowed with hypomorphic Tyr129His variant of CD25, the α-chain IL-2R, which resulted diminished expression reduced signaling. Under noninflammatory...

10.1038/s41423-020-00599-z article EN cc-by Cellular and Molecular Immunology 2021-01-06

One of the interventional strategies to reestablish immune effector/regulatory balance, that is typically altered in chronic inflammatory diseases (CID), reinforcement endogenous immunomodulatory pathways as one triggered by interleukin (IL)-10. In a recent work, we demonstrated subcutaneous (sc) administration an IL-10/Treg-inducing small molecule-based formulation, using repetitive microdose (REMID) treatment strategy preferentially direct effects regional system, delays progression...

10.3389/fimmu.2021.708955 article EN cc-by Frontiers in Immunology 2021-07-08

The targeting of proinflammatory pathways has a prophylactic and therapeutic potential on atherosclerotic cardiovascular diseases (CVD). An alternative/complementary strategy is the promotion endogenous atheroprotective mechanisms that are impaired during atherosclerosis progression, such as activity tolerogenic dendritic cells (tolDC) regulatory T (Treg). There need to develop novel low cost, safe effective tolDC/Treg-inducing formulations can be easy translation into clinical settings. We...

10.3389/fimmu.2020.00743 article EN cc-by Frontiers in Immunology 2020-04-24

Abstract The adoptive transfer of virus-specific T cells (VSTs) represents a therapeutic option for viral infection treatment in immunocompromised patients. Before administration, ex vivo culture enables VST expansion. However, it is unclear how expansion affects the circulation, homing, and intra-tissue migration administered VSTs. We established model immunotherapy acute cytomegalovirus using expanded OT-I CD8 (recognizing SIINFEKL peptide) into Rag2 -/- mice infected with murine (MCMV)...

10.1101/2024.03.16.585350 preprint EN cc-by-nc-nd bioRxiv (Cold Spring Harbor Laboratory) 2024-03-17
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