100 results for "Li-Yu Lin"
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Macrophage CARD9 mediates cardiac injury following myocardial infarction through regulation of lipocalin 2 expression
Immune cell infiltration in response to myocyte death regulates extracellular matrix remodeling and scar formation after myocardial infarction (MI). Caspase-recruitment domain family member 9 (CARD9) acts as an adapter that mediates the transduction of pro-inflammatory signaling cascades in innate…
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Integrated Omic Analysis of Human Plasma Metabolites and Microbiota in a Hypertension Cohort
Hypertension is closely related to metabolic dysregulation, which is associated with microbial dysbiosis and altered host–microbiota interactions. However, plasma metabolite profiles and their relationships to oral/gut microbiota in hypertension have not been evaluated in depth. Plasma, saliva…
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Roles of oral and gut microbiota in acute myocardial infarction
INTRODUCTION: The significance of oral/gut microbiota in acute myocardial infarction (AMI) has been increasingly appreciated. However, correlations between oral/gut microbiota and AMI parameter, as well as the key microbiota that may have a crucial function in this process, remain unclear…
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Piperlongumine and p53-Reactivator APR-246 Selectively Induce Cell Death in HNSCC by Targeting GSTP1
TP53 mutations frequently occur in head and neck squamous cell carcinoma (HNSCC) patients without human papillomavirus infection. The recurrence rate for these patients is distinctly high. It has been actively explored to identify agents that target TP53 mutations and restore wild-type (WT) TP53…
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Periodontitis aggravates pulmonary fibrosis by Porphyromonas gingivalis-promoted infiltration of neutrophils and Th17 cells
INTRODUCTION: Idiopathic pulmonary fibrosis (IPF) is a fatal interstitial lung disease. However, the pathogeny of IPF is poorly understood, and therapeutic options are very limited. Periodontitis (PD) is a chronic inflammatory disease that leads to dysbiosis of both the oral microbiome and host…
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LKB1 reduces ROS-mediated cell damage via activation of p38
Liver kinase B1 (LKB1, also known as serine/threonine kinase 11, STK11) is a tumor suppressor mutated in Peutz-Jeghers syndrome and in a variety of sporadic cancers. Herein, we demonstrate that LKB1 controls the levels of intracellular reactive oxygen species (ROS) and protects the genome from…
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AMP-activated protein kinase protects against necroptosis via regulation of Keap1-PGAM5 complex
BACKGROUND: The AMP-activated protein kinase (AMPK) plays critical roles in growth regulation and metabolism reprogramming. AMPK activation protects cells against apoptosis from injury in different cell and animal models. However, its function in necroptosis remains largely unclear. METHODS AND…
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LKB1 Inhibits HPV-Associated Cancer Progression by Targeting Cellular Metabolism
Liver kinase B1 (LKB1) is mutationally inactivated in Peutz-Jeghers syndrome and in a variety of cancers including human papillomavirus (HPV)-caused cervical cancer. However, the significance of LKB1 mutations in cervical cancer initiation and progress has not been examined. Herein, we demonstrated…
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PARP-1 inhibitors sensitize HNSCC cells to APR-246 by inactivation of thioredoxin reductase 1 (TrxR1) and promotion of ROS accumulation
Head and neck squamous cell carcinoma (HNSCC) is the sixth most common cancer worldwide. Mutations of TP53 may reach 70% - 85% in HNSCC patients without human papillomavirus (HPV) infection. Recurrence rate remains particularly high for HNSCC patients with mutations in the TP53 gene although…
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Enhanced O-linked Glcnacylation in Crohn's disease promotes intestinal inflammation
BACKGROUND: Treatment of Crohn's disease (CD) remains to be a challenge due to limited insights for its pathogenesis. We aimed to determine the role of O-Linked β-N-acetylglucosamine (O-GlcNAc) in the development of CD and evaluate therapeutic effects of O-GlcNAc inhibitors on CD. METHODS: O-GlcNAc…
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Oral pathogens exacerbate Parkinson’s disease by promoting Th1 cell infiltration in mice
BACKGROUND: Parkinson’s disease (PD) is a common chronic neurological disorder with a high risk of disability and no cure. Periodontitis is an infectious bacterial disease occurring in periodontal supporting tissues. Studies have shown that periodontitis is closely related to PD. However, direct…
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Saliva-driven surface-engineered Bacteroides thetaiotaomicron alleviates hypertension
Oral environment is closely linked to blood pressure regulation. However, the underlying mechanisms remain poorly understood, and strategies for harnessing this relationship to modulate blood pressure are still scarce. Saliva, abundant in the oral cavity, was demonstrated to play a critical role in…
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Sequence mining and transcript profiling to explore differentially expressed genes associated with lipid biosynthesis during soybean seed development
Abstract Background Soybean (Glycine max L.) is one of the most important oil crops in the world. It is desirable to increase oil yields from soybean, and so this has been a major goal of oilseed engineering. However, it is still uncertain how many genes and which genes are involved in lipid…
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O-linked GlcNAcylation elevated by HPV E6 mediates viral oncogenesis
High-risk human papillomaviruses (HPVs) are causative agents of anogenital cancers and a fraction of head and neck cancers. The mechanisms involved in the progression of HPV neoplasias to cancers remain largely unknown. Here, we report that O-linked GlcNAcylation (O-GlcNAc) and O-GlcNAc transferase…
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LKB1 is a DNA damage response protein that regulates cellular sensitivity to PARP inhibitors
Liver kinase B1 (LKB1) functions as a tumor suppressor encoded by STK11, a gene that mutated in Peutz-Jeghers syndrome and in sporadic cancers. Previous studies showed that LKB1 participates in IR- and ROS-induced DNA damage response (DDR). However, the impact of LKB1 mutations on targeted cancer…
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Characteristics and Correlations of the Oral and Gut Fungal Microbiome with Hypertension
The mycobiome is an essential constituent of the human microbiome and is associated with various diseases. However, the role of oral and gut fungi in hypertension (HTN) remains largely unexplored. In this study, saliva, subgingival plaques, and feces were collected from 36 participants with HTN and…
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Direct kinetic measurements and theoretical predictions of an isoprene-derived Criegee intermediate
Isoprene has the highest emission into Earth’s atmosphere of any nonmethane hydrocarbon. Atmospheric processing of alkenes, including isoprene, via ozonolysis leads to the formation of zwitterionic reactive intermediates, known as Criegee intermediates (CIs). Direct studies have revealed that…
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Nuclear receptor corepressor 1 represses cardiac hypertrophy
The function of nuclear receptor corepressor 1 (NCoR1) in cardiomyocytes is unclear, and its physiological and pathological implications are unknown. Here, we found that cardiomyocyte‐specific NCoR1 knockout (CMNKO) mice manifested cardiac hypertrophy at baseline and had more severe cardiac…
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Roles of oral microbiota and oral-gut microbial transmission in hypertension
INTRODUCTION: Considerable evidence has linked periodontitis (PD) to hypertension (HTN), but the nature behind this connection is unclear. Dysbiosis of oral microbiota leading to PD is known to aggravate different systematic diseases, but the alteration of oral microbiota in HTN and their impacts…
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Oral Pathobionts Aggravate Myocardial Infarction Through Mobilization of B2 Cells
BACKGROUND: Myocardial infarction (MI) is a high-prevalence disease that threatens human survival and quality of life worldwide. Considerable evidence has suggested that periodontitis (PD) is detrimental to MI. However, the direct impact of PD on MI is unclear; which oral pathobionts contribute to…