Author: admin
Paracellular Transport in Stomach Epithelium
Paracellular transport in the stomach epithelium plays a crucial but highly regulated role in maintaining mucosal homeostasis and barrier function. …
Paracellular Transport
Paracellular transport refers to the movement of substances across epithelial or endothelial barriers by passing through the space between adjacent…
Tight Junction Vs Adherens Junction
Criteria Tight Junction (Zonula Occludens) Adherens Junction (Zonula Adherens) Remarks Primary Function Acts as a barrier to prevent paracellular transport…
G Protein-Coupled Receptor (GPCR) Signaling
G protein-coupled receptor (GPCR) signaling represents one of the largest and most versatile signaling systems in eukaryotic cells. These receptors…
JAK-STAT Pathway
The JAK-STAT pathway provides a direct route for transmitting signals from cell surface receptors to the nucleus. When cytokines or…
Topic: Cell Signaling
Cell Signaling G Protein-Coupled Receptor (GPCR) Signaling JAK-STAT Pathway Janus Kinases (JAKs) Non-Receptor Tyrosine Kinases (NRTKs) Receptor Tyrosine Kinases (RTKs)…
Cell Signaling
Cell signaling is a sophisticated system of communication that governs basic cellular activities and coordinates cell actions. This intricate network…
Receptor Tyrosine Kinases (RTKs)
Receptor tyrosine kinases (RTKs) are cell surface receptors that play fundamental roles in cellular signaling. These transmembrane proteins regulate crucial…
Tyrosine Kinases (TKs)
Tyrosine kinases (TKs) are enzymes that catalyze the transfer of phosphate groups from ATP to tyrosine residues on proteins. They…
Non-Receptor Tyrosine Kinases (NRTKs)
Non-receptor tyrosine kinases (NRTKs) are cytoplasmic enzymes that play crucial roles in intracellular signaling. Unlike receptor tyrosine kinases, NRTKs lack…
Src Family Kinases (SFKs)
Src family kinases (SFKs) are non-receptor tyrosine kinases that play central roles in various cellular processes. The family includes nine…
Janus Kinases (JAKs)
Janus kinases (JAKs) are non-receptor tyrosine kinases that play essential roles in cytokine signaling and cellular regulation. The JAK family…
trp Promoter
The trp promoter is a naturally occurring promoter derived from the tryptophan (trp) operon of Escherichia coli, which controls genes…
Phosphorylation-Dependent Vs Phosphorylation-Independent Functions of CagA
Criteria Phosphorylation-Dependent CagA Function Phosphorylation-Independent CagA Function Remarks Molecular Basis Relies on phosphorylation at EPIYA motifs by host Src and…
T7 Lysozyme
T7 lysozyme is a bacteriophage-encoded protein that serves a dual role: it functions both as a lytic enzyme during the…