CDC42 is crucial for the early regulation of hepatic stellate cell activation

CDC42 Plays a Crucial Role in the Early Regulation of Hepatic Stellate Cell Activation Academic Background Liver fibrosis is a pathological process associated with various liver diseases, which may eventually progress to cirrhosis—a life-threatening condition. Currently, there are no effective treatments to halt the progression of liver fibrosis. H...

Increasing Cellular NAD+ Protects Hepatocytes Against Palmitate-Induced Lipotoxicity

NAD+ Protects Hepatocytes Against Palmitate-Induced Lipotoxicity by Preventing PARP-1 Inhibition and mTORC1-p300 Pathway Activation Research Background Metabolic dysfunction-associated fatty liver disease (MAFLD) encompasses a spectrum of liver diseases ranging from simple steatosis to steatohepatitis, fibrosis/cirrhosis, and even hepatocellular ca...

O-GlcNAcylation Regulates Tyrosine Hydroxylase Serine 40 Phosphorylation and L-Dopa Levels

O-GlcNAcylation Regulates Tyrosine Hydroxylase Serine 40 Phosphorylation and L-DOPA Levels Research Background In the nervous system, dopamine is a key neurotransmitter, and the rate-limiting enzyme in its synthesis pathway is tyrosine hydroxylase (TH). The activity of TH is regulated by various post-translational modifications (PTMs), among which ...

Transmission of Peripheral Blood α-Synuclein Fibrils Exacerbates Synucleinopathy and Neurodegeneration in Parkinson’s Disease by Endothelial LAG3 Endocytosis

Transmission of Peripheral Blood α-Synuclein Fibrils Exacerbates Synucleinopathy and Neurodegeneration in Parkinson’s Disease via Endothelial LAG3 Endocytosis Academic Background Parkinson’s disease (PD) is an age-related neurodegenerative disorder characterized by the abnormal formation and transmission of α-synuclein (α-syn). Recent studies have ...

Modeling Ocular Surface Ion and Water Transport by Generation of Lipid- and Mucin-Producing Human Meibomian Gland and Conjunctival Epithelial Cells

Modeling of Ion and Water Transport on the Human Ocular Surface Background Introduction The ocular surface plays a crucial role in human physiology and diseases, especially the stability and composition of the tear film, which directly impact ocular surface health. The tear film consists of three layers: an outer lipid layer (secreted by the meibom...