NGF-NGFR communication inefficiency induces T Cell exhaustion impairing PD-1 immunotherapy in hepatocellular carcinoma DOI Creative Commons

Tongwang Yang,

Qingguo Xu,

Chuanshen Xu

et al.

Research Square (Research Square), Journal Year: 2023, Volume and Issue: unknown

Published: Jan. 5, 2023

Abstract The number of T cells that infiltrate tumor tissues in hepatocellular carcinoma (HCC) is significantly low. molecular mechanism underlying cell proliferation poorly understood. present study revealed during the process infiltration from adjacent to tissues, NGF-NGFR communication inefficiency occurred HCC patients. Importantly, cell-secreted NGF interacted with NGFR on membranes infiltrated cells, which promoted these through mitotic spindle signal activation. Mechanistically, activation was mediated by HDAC1 unclear trans-localization-inhibited PREX1 expression. Further, PD-1 mAb acted synergistically suppress progression both mouse model and In addition, NGF–NGFR positively correlated PD-1/PDL-1 However, expressions were low responsible for incursive clinicopathological features disappointing prognosis Collectively, results suggested impaired immunotherapy could, therefore, be utilized as a novel therapeutic target treatment patients clinical practice.

Language: Английский

Heterogeneity‐induced NGF‐NGFR communication inefficiency promotes mitotic spindle disorganization in exhausted T cells through PREX1 suppression to impair the anti‐tumor immunotherapy with PD‐1 mAb in hepatocellular carcinoma DOI Creative Commons
Xin Wang,

Tongwang Yang,

Shangheng Shi

et al.

Cancer Medicine, Journal Year: 2024, Volume and Issue: 13(3)

Published: Jan. 10, 2024

Abstract Background The mechanism of decreased T cells infiltrating tumor tissues in hepatocellular carcinoma is poorly understood. Methods Cells were separated from the single‐cell RNA‐sequence dataset patients (GSE149614) for cell‐cell communication. Flow cytometry, EDU staining, H3‐Ser28 confocal immunofluorescence western blotting and naked microsubcutaneous tumors performed NGF‐NGFR promoting proliferation. Results present study has revealed that during process T‐cell infiltration adjacent to tissues, an inefficiency communication occurs tissues. Importantly, NGF secreted by interacts with NGFR on membranes infiltrated cells, thereby proliferation through activation mitotic spindle signals. Mechanistically, mediation signal executed HDAC1‐mediated inhibition unclear trans‐localization PREX1. Furthermore, PD‐1 mAb acts synergistically suppress progression both mouse models HCC patients. Additionally, was positively correlates PD‐1/PDL‐1 expression. However, expressions are low which responsible invasive clinicopathological features disappointing prognosis Conclusion Inefficiency impairs immunotherapy could thus be utilized as a novel therapeutic target treatment clinical practice.

Language: Английский

Citations

17

Role of Brain Derived Neurotrophic Factor and Related Therapeutic Strategies in Central Post-Stroke Pain DOI

Gayathri Rajamanickam,

Andy Thiam-Huat Lee, Ping Liao

et al.

Neurochemical Research, Journal Year: 2024, Volume and Issue: unknown

Published: June 10, 2024

Language: Английский

Citations

5

Viruses and neurodegeneration: a growing concern DOI Creative Commons
Samia A. Shouman,

Nadine Hesham,

Tamer Z. Salem

et al.

Journal of Translational Medicine, Journal Year: 2025, Volume and Issue: 23(1)

Published: Jan. 12, 2025

Abstract Neurodegenerative diseases (NDDs) cause a progressive loss of neurons. Since NDDs are multifactorial, the precise etiology varies on basis type disease and patient history. Cohort studies case have demonstrated potential link between viral infections onset or progression NDDs. Recent findings concerning mechanisms by which neuropathic occur provided more insights into importance such connections. In this review, we aim to elaborate occurrence effects viruses from epidemiological, clinical, biological perspectives while highlighting treatments challenges. One key players in neuropathogenesis is neuroinflammation caused immune response virus; can due both neurotropic nonneurotropic viruses. The COVID-19 pandemic has raised concerns about whether vaccines essential for preventing may play part exacerbating accelerating By classifying common associated with them further delving their cellular pathways, review provides advance development diagnostic methods. Graphical

Language: Английский

Citations

0

Multiscale Imaging Reveals Cerebral Microcirculation Dysfunction And Mechanisms in Pseudorabies Virus Infections DOI

Shuting Ling,

Chongxin Wu,

Mengxuan Gui

et al.

Published: Jan. 1, 2025

Language: Английский

Citations

0

Prenatal Exposure to COVID-19 mRNA Vaccine BNT162b2 Induces Autism-Like Behaviors in Male Neonatal Rats: Insights into WNT and BDNF Signaling Perturbations DOI Creative Commons
Mümin Alper Erdoğan,

Orkun Gürbüz,

Mehmet Fatih Bozkurt

et al.

Neurochemical Research, Journal Year: 2024, Volume and Issue: 49(4), P. 1034 - 1048

Published: Jan. 10, 2024

Abstract The COVID-19 pandemic catalyzed the swift development and distribution of mRNA vaccines, including BNT162b2, to address disease. Concerns have arisen about potential neurodevelopmental implications these especially in susceptible groups such as pregnant women their offspring. This study aimed investigate gene expression WNT, brain-derived neurotrophic factor (BDNF) levels, specific cytokines, m-TOR expression, neuropathology, autism-related neurobehavioral outcomes a rat model. Pregnant rats received BNT162b2 vaccine during gestation. Subsequent evaluations on male female offspring included autism-like behaviors, neuronal counts, motor performance. Molecular techniques were applied quantify WNT expressions, BDNF cytokines brain tissue samples. findings then contextualized within extant literature identify mechanisms. Our reveal that significantly alters levels both rats, suggesting profound impact key pathways. Notably, exhibited pronounced characterized by marked reduction social interaction repetitive patterns behavior. Furthermore, there was substantial decrease counts critical regions, indicating neurodegeneration or altered neurodevelopment. Male also demonstrated impaired performance, evidenced reduced coordination agility. research provides insights into effects certain markers More extensive studies are needed confirm observations humans explore exact A comprehensive understanding risks rewards vaccination, pregnancy, remains essential.

Language: Английский

Citations

3

Human ATP-binding proteins: Structural features, functional diversity, and pharmacotherapeutic potential in disease: A review DOI

Letong Li,

Shanshan Wang,

Songsen Fu

et al.

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: unknown, P. 142303 - 142303

Published: March 1, 2025

Language: Английский

Citations

0

The differentiation of glial precursors into neuronal-like cells through the Wnt and Neurotrophin signaling pathways via Ctnnβ1 DOI
W. F. Mader, Yi-Jung Yang, Tao Zhang

et al.

Biotechnic & Histochemistry, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 13

Published: April 30, 2025

Glial precursor cells are among the major types of glia in dorsal root ganglias (DRGs) peripheral nervous system. Previous studies have shown that transdifferentiation DRGs-derived glial contributes to neurogenesis. In present study, we investigated mRNA expression profiles and examined effects differential mRNAs (DEMs) during differentiation derived from rat DRGs. We characterized DRGs explants using immunofluorescence. Sequencing was subsequently conducted, followed by enrichment analysis utilizing gene ontology (GO) terms Kyoto Encyclopedia Genes Genomes (KEGG) pathways. The identified genes were subjected protein-protein interaction (PPI) network process establishment a sciatic nerve injury (SNI) model detection key Wnt Neurotrophin pathways SNI rats via qRT-PCR. Additionally, terminal deoxynucleotidyl transferase dUTP nick-end labeling (TUNEL) assay employed assess apoptosis detected neuronal cells. More DEMs GO on third day transdifferentiation, accompanied morphological alterations cells; is, some presented neuronal-like phenotypic characteristics (the early marker Tuj1 positive). KEGG PPI analyses revealed play crucial roles cell into After knocking down cadherin-associated protein beta 1 (Ctnnβ1) model, number apoptotic significantly reduced, Wnt4 Ntrk3 increased. Ctnnβ1 may be crosstalk factor between negatively regulates

Language: Английский

Citations

0

Neuron-immunity communication: mechanism of neuroprotective effects in EGCG DOI
Ying Chen, Zhonghua Liu, Yushun Gong

et al.

Critical Reviews in Food Science and Nutrition, Journal Year: 2023, Volume and Issue: unknown, P. 1 - 20

Published: May 22, 2023

Epigallocatechin gallate (EGCG), a naturally occurring active ingredient unique to tea, has been shown have neuroprotective potential. There is growing evidence of its potential advantages in the prevention and treatment neuroinflammation, neurodegenerative diseases, neurological damage. Neuroimmune communication an important physiological mechanism including immune cell activation response, cytokine delivery. EGCG shows great by modulating signals related autoimmune response improving between nervous system system, effectively reducing inflammatory state function. During neuroimmune communication, promotes secretion neurotrophic factors into repair damaged neurons, improves intestinal microenvironmental homeostasis, ameliorates pathological phenotypes through molecular cellular mechanisms brain-gut axis. Here, we discuss signaling exchange involving communication. We further emphasize that role dependent on modulatory immunity neurology neurologically diseases.

Language: Английский

Citations

9

Identification of crucial inflammaging related risk factors in multiple sclerosis DOI Creative Commons

Mengchu Xu,

Huize Wang,

Siwei Ren

et al.

Frontiers in Molecular Neuroscience, Journal Year: 2024, Volume and Issue: 17

Published: May 21, 2024

Background Multiple sclerosis (MS) is an immune-mediated disease characterized by inflammatory demyelinating lesions in the central nervous system. Studies have shown that inflammation vital to both onset and progression of MS, where aging plays a key role it. However, potential mechanisms on how aging-related (inflammaging) promotes MS not been fully understood. Therefore, there urgent need integrate underlying between inflammaging meaningful prediction models are needed. Methods First, were developed using machine learning methods, respectively. Then, integrated model was used identify relative risk factors, identifying essential “aging-inflammation-disease” triples. Finally, series bioinformatics analyses (including network analysis, enrichment sensitivity pan-cancer analysis) further explore MS. Results A factors identified, such as protein homeostasis, cellular neurodevelopment energy metabolism. The indices validated different cancer types. various integrated, even theories immunosenescence confirmed. Conclusion In conclusion, our study systematically investigated relationships through computational approaches, could present novel thought for other diseases.

Language: Английский

Citations

2

Circulating and Salivary NGF and BDNF Levels in SARS-CoV-2 Infection: Potential Predictor Biomarkers of COVID-19 Disease—Preliminary Data DOI Open Access
Filippo Biamonte, Agnese Re, Bijorn Omar Balzamino

et al.

Journal of Personalized Medicine, Journal Year: 2022, Volume and Issue: 12(11), P. 1877 - 1877

Published: Nov. 9, 2022

COVID-19 continues to afflict the global population, causing several pathological diseases and exacerbating co-morbidities due SARS-CoV-2's high mutation. Recent interest has been devoted some neuronal manifestations increased levels of Nerve Growth Factor (NGF) Brain-derived Neurotrophic (BDNF) in bloodstream during SARS-CoV-2 infection, neurotrophins that are well-known for their multifactorial actions on neuro-immune-endocrine visual functions. Nineteen (19) patients were enrolled this monocentric prospective study subjected anamnesis biosamples collection (saliva blood) at hospitalization (acute phase) 6 months later (remission phase). NGF BDNF quantified by ELISA, biochemical data related biostrumental measurements. Increased saliva serum acute phase infection (hospitalized patients), reduced observed next phase), never matching baseline values. Salivary circulating would suggest possibility considering sera as useful matrices quickly screening neurotrophins, addition SARS-CoV2 antigens RNA. Overall, findings described herein highlight importance dynamic biomarkers monitoring disease reinforces using quick, non-invasive screening.

Language: Английский

Citations

11