Post-Meningitic Syndrome: Pathophysiology and Consequences of Streptococcal Infections on the Central Nervous System DOI Open Access
Rachid Kaddoura,

Karim Abdalbari,

Mhmod Kadom

et al.

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(20), P. 11053 - 11053

Published: Oct. 15, 2024

Streptococcus species represent a significant global cause of meningitis, leading to brain damage through bacterial virulence factors and the host inflammatory response. Upon entering central nervous system (CNS), excessive inflammation leads various neurological psychological complications. This review explores pathophysiological mechanisms associated outcomes streptococcal particularly its short- long-term sequelae. Neurological symptoms, such as cognitive impairment, motor deficits, sensory loss, are shown vary in severity, with children being susceptible lasting Among survivors, hearing decline, cranial nerve palsies emerge most frequently reported The findings highlight need for timely intervention, including neurorehabilitation strategies that focus on optimizing recovery mitigating disabilities. Future recommendations emphasize improving early diagnosis, expanding vaccine access, personalizing rehabilitation protocols enhance patient outcomes. As novel contribution, this proposes term “post-meningitic syndrome” showcase broad spectrum CNS complications persist following providing framework future clinical research focus.

Language: Английский

Neutrophil diversity and function in health and disease DOI Creative Commons

F Zhang,

Yidan Xia,

Jiayang Su

et al.

Signal Transduction and Targeted Therapy, Journal Year: 2024, Volume and Issue: 9(1)

Published: Dec. 5, 2024

Abstract Neutrophils, the most abundant type of granulocyte, are widely recognized as one pivotal contributors to acute inflammatory response. Initially, neutrophils were considered mobile infantry innate immune system, tasked with immediate response invading pathogens. However, recent studies have demonstrated that versatile cells, capable regulating various biological processes and impacting both human health disease. Cytokines other active mediators regulate functional activity by activating multiple receptors on these thereby initiating downstream signal transduction pathways. Dysfunctions in disruptions neutrophil homeostasis been implicated pathogenesis numerous diseases, including cancer disorders, often due aberrant intracellular signaling. This review provides a comprehensive synthesis functions, integrating advancements this field. Moreover, it examines roles signaling pathways involved regulation activity. The pathophysiology diseases emerging therapeutic approaches targeting them also elaborated. addresses current limitations within field research, highlighting critical gaps knowledge warrant further investigation. In summary, seeks establish multidimensional model regulation, providing new perspectives for potential clinical applications research.

Language: Английский

Citations

6

Special Issue “The Role of Toll-Like Receptors (TLRs) in Infection and Inflammation 2.0” DOI Open Access
Ralf Kircheis, Oliver Planz

International Journal of Molecular Sciences, Journal Year: 2024, Volume and Issue: 25(17), P. 9709 - 9709

Published: Sept. 7, 2024

Toll-like receptors (TLRs) are key players in the innate immune system, host’ first-line defense against pathogens [...]

Language: Английский

Citations

5

Association between TLR 2 (rs3804099), TLR4 (rs4986790), and TLR 9 (rs187084) polymorphism and leukemia risk: a systematic review and meta-analysis DOI
Rupesh Kumar, Anindita Dutta, Mayur Mausoom Phukan

et al.

Immunologic Research, Journal Year: 2025, Volume and Issue: 73(1)

Published: Jan. 16, 2025

Language: Английский

Citations

0

Orchestrated immune responses to Mycobacterium marinum natural infection in tongue sole (Cynoglossus semilaevis) DOI
Yangzhen Li, Limin Song, Yan Xu

et al.

Fish & Shellfish Immunology, Journal Year: 2025, Volume and Issue: unknown, P. 110145 - 110145

Published: Jan. 1, 2025

Language: Английский

Citations

0

Role of Glial Cells and Receptors in Schizophrenia Pathogenesis DOI
Yousef Tizabi, Marta C. Antonelli,

Daniela Tizabi

et al.

Neurochemical Research, Journal Year: 2025, Volume and Issue: 50(2)

Published: Jan. 27, 2025

Language: Английский

Citations

0

Immuno-oncological Challenges and Chemoresistance in Veterinary Medicine: Probiotics as a New Strategic Tool DOI
Muhammad Nisar, Tingdong Yan, Yi Cai

et al.

Probiotics and Antimicrobial Proteins, Journal Year: 2025, Volume and Issue: unknown

Published: Feb. 15, 2025

Language: Английский

Citations

0

Transgenic mice with a global depletion of toll-like receptor type 4 are largely protected from peripheral and central posttraumatic neuroinflammation DOI
Silke Hirsch,

Theodora Kalpachindou,

Tanja Schlereth

et al.

Journal of Pain, Journal Year: 2025, Volume and Issue: 29, P. 105340 - 105340

Published: Feb. 15, 2025

Language: Английский

Citations

0

Structural and Functional Characteristics of TLR19 in Barbel Chub Compared to TLR19 in Grass Carp DOI Open Access
Zhao Lv, Mengyuan Zhang, Yang Xu

et al.

International Journal of Molecular Sciences, Journal Year: 2025, Volume and Issue: 26(7), P. 3103 - 3103

Published: March 27, 2025

The hybrid offspring of barbel chub Squaliobarbus curriculus and grass carp Ctenopharyngodon idella exhibit stronger resistance to the reovirus (GCRV) infection than carp. Toll-like receptors (TLRs) play indispensable roles in antiviral immunity fish. In this study, structures immune functions TLR19 (ScTLR19) (CiTLR19) were compared. amino acid sequence ScTLR19 shared high similarity (97.4%) identity (94.0%) with that CiTLR19, a phylogenetic tree revealed close evolutionary relationship between CiTLR19. Protein domain composition analyses showed possessed an additional leucine-rich repeat (designated as LRR9) located at positions 654-677 extracellular region, which was absent Multiple alignment three-dimensional structure comparison also indicated regions CiTLR19 exhibited greater differences compared their intracellular regions. Molecular docking region (docking score = -512.31) tendency for binding polyI:C, -474.90). Replacing LRR9 corresponding from reduced activity confirmed by ELISA. Moreover, overexpression experiments suggested could regulate both IRF3-TRIF IRF3-MyD88 signaling pathways during GCRV infection, while only regulated pathway. Importantly, replacing altered expression regulation on IRF3, MyD88, TRIF infection. These findings collectively reveal structural functional they may provide data support deeper understanding molecular mechanisms underlying carp, well genetic basis heterosis offspring.

Language: Английский

Citations

0

In Vitro Effects of Lipopolysaccharide on Rabbit Sperm: Toll-like Receptor 4 Expression, Motility, and Oxidative Status DOI Creative Commons
Alda Quattrone, Nour Elhouda Fehri, Stella Agradi

et al.

Antioxidants, Journal Year: 2025, Volume and Issue: 14(4), P. 431 - 431

Published: April 2, 2025

Lipopolysaccharide (LPS)-induced inflammation impairs sperm function; however, its impact on ejaculated rabbit remains unexplored. This dose-response study aims to determine the LPS concentration that negatively affects motility in vitro, while also providing first identification of TLR4 localization spermatozoa. Additionally, it evaluates malondialdehyde (MDA) levels seminal plasma as an indicator oxidative stress. Sperm was analyzed using computer-assisted analysis (CASA) after incubation with increasing concentrations (0, 50, 100, 200, 400, 600, and 800 µg/mL) at multiple time points 1, 2, 4 h). doses ≥ 400 µg/mL significantly reduced progressive non-progressive motility, well curvilinear velocity (all p < 0.001), proportion static spermatozoa (p 0.05). Receiver operating characteristic (ROC) identified 300 threshold dose for decline. Immunofluorescence revealed midpiece tails, weak labeling control samples a marked increase h μg/mL LPS. MDA were assessed thiobarbituric acid reactive substances (TBARS) assay colorimetric kit, showing no significant effect treatment. No correlation found between other semen parameters. ccThese findings identify establish future vitro studies.

Language: Английский

Citations

0

Inmunidad innata y adaptativa DOI

A. Prieto Martín,

D. Díaz Martín,

Lourdes Sanz

et al.

Medicine - Programa de Formación Médica Continuada Acreditado, Journal Year: 2025, Volume and Issue: 14(28), P. 1698 - 1711

Published: March 1, 2025

Citations

0