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Basic structure of a peroxisome Distribution of peroxisomes (white) in HEK 293 cells during mitosis Peroxisome in rat neonatal cardiomyocyte. A peroxisome (/ p ə ˈ r ɒ k s ɪ ˌ s oʊ m /) [1] is a membrane-bound organelle, a type of microbody, found in the cytoplasm of virtually all eukaryotic cells. [2] [3] Peroxisomes are oxidative ...
Peroxisome proliferator-activated receptor delta (PPAR-delta), or (PPAR-beta), also known as Nuclear hormone receptor 1 (NUC1) is a nuclear receptor that in humans is encoded by the PPARD gene. [5] This gene encodes a member of the peroxisome proliferator-activated receptor (PPAR) family. It was first identified in Xenopus in 1993. [6]
These DNA sequences are termed PPREs (peroxisome proliferator hormone response elements). The DNA consensus sequence is AGGTCANAGGTCA, with N being any nucleotide . In general, this sequence occurs in the promoter region of a gene , and, when the PPAR binds its ligand, transcription of target genes is increased or decreased, depending on the gene.
PPAR-α is primarily activated through ligand binding. Endogenous ligands include fatty acids such as arachidonic acid as well as other polyunsaturated fatty acids and various fatty acid-derived compounds such as certain members of the 15-hydroxyeicosatetraenoic acid family of arachidonic acid metabolites, e.g. 15(S)-HETE, 15(R)-HETE, and 15(S)-HpETE and 13-hydroxyoctadecadienoic acid, a ...
Peroxisome proliferator-activated receptor gamma (PPAR-γ or PPARG), also known as the glitazone reverse insulin resistance receptor, or NR1C3 (nuclear receptor subfamily 1, group C, member 3) is a type II nuclear receptor functioning as a transcription factor that in humans is encoded by the PPARG gene.
A toxicologist working in a lab (United States, 2008)Toxicology is a scientific discipline, overlapping with biology, chemistry, pharmacology, and medicine, that involves the study of the adverse effects of chemical substances on living organisms [1] and the practice of diagnosing and treating exposures to toxins and toxicants.
Psychology Today is an American media organization with a focus on psychology and human behavior. The publication began as a bimonthly magazine, which first appeared in 1967. The print magazine's reported circulation is 275,000 as of 2023. [ 2 ]
Toxic positivity involves a limited ability to acknowledge one's own anger or sadness. Toxic positivity [a] is dysfunctional emotional management without the full acknowledgment of negative emotions, particularly anger and sadness. Socially, it is the act of dismissing another person's negative emotions by suggesting a positive emotion instead. [1]