Deltamethrin, protein phosphatase 2B inhibitor

Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Progesterone Receptor (PR) PXR (Pregnane X Receptor) and Estrogen Related Receptor alpha (ERRα) serve significantly different roles at the molecular level but they share common involvement in the regulation of gene expression. Progesterone Receptor also known as NR3C3 is a protein of approximately 91 kDa and is expressed in various reproductive tissues. PXR also called NR1I2 has a similar role in regulating gene expression through ligand-activated transcription and is mainly expressed in the liver and intestines. Estrogen Related Receptor alpha with a molecular weight around 46 kDa shows expression in tissues like the heart and skeletal muscle functioning without binding to estrogen.

Biological function summary

Each of these receptors acts as a nuclear transcription factor that modulates gene expression contributing to vital physiological processes. Progesterone Receptor often part of a protein complex plays a central role in reproductive function influencing systems like menstrual regulation and pregnancy maintenance. PXR is integral in the body's defense against foreign substances by modulating drug metabolism. Estrogen Related Receptor alpha affects energy metabolism and mitochondrial function impacting cell growth and differentiation similarly participating in complex interactions with other co-regulating proteins.

Pathways

These nuclear receptors fit into distinct yet interconnected biological pathways that regulate essential processes. Progesterone Receptor is a part of the steroid hormone signaling pathway while PXR is involved in the xenobiotic signaling pathway. These pathways work together with critical proteins like cytochrome P450 enzymes and protein phosphatases coordinating in liver metabolism and detoxification. Estrogen Related Receptor alpha plays its role in the energy metabolism pathway interacting with proteins such as PGC-1α for mitochondrial biogenesis and oxidative metabolism.

These receptors are linked to significant health conditions. Progesterone Receptor is implicated in breast and endometrial cancers where its expression levels can influence tumor progression in conjunction with proteins like HER2. PXR is connected to disorders like liver diseases and inflammatory bowel disease due to its role in detoxification. Estrogen Related Receptor alpha's involvement in metabolic disorders is noteworthy often interacting with proteins like nuclear respiratory factor-1 (NRF1) in the context of mitochondrial dysfunction and metabolic syndrome.