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14 Results Found

  • Review
  • Open Access
12 Citations
5,035 Views
21 Pages

Spotlight on CYP4B1

  • Annika Röder,
  • Saskia Hüsken,
  • Michael C. Hutter,
  • Allan E. Rettie,
  • Helmut Hanenberg,
  • Constanze Wiek and
  • Marco Girhard

20 January 2023

The mammalian cytochrome P450 monooxygenase CYP4B1 can bioactivate a wide range of xenobiotics, such as its defining/hallmark substrate 4-ipomeanol leading to tissue-specific toxicities. Similar to other members of the CYP4 family, CYP4B1 has the abi...

  • Article
  • Open Access
27 Citations
4,835 Views
21 Pages

The Expression Profiles of ADME Genes in Human Cancers and Their Associations with Clinical Outcomes

  • Dong Gui Hu,
  • Peter I. Mackenzie,
  • Pramod C. Nair,
  • Ross A. McKinnon and
  • Robyn Meech

13 November 2020

ADME genes are a group of genes that are involved in drug absorption, distribution, metabolism, and excretion (ADME). The expression profiles of ADME genes within tumours is proposed to impact on cancer patient survival; however, this has not been sy...

  • Feature Paper
  • Article
  • Open Access
1 Citations
1,761 Views
25 Pages

Exploration of CYP4B1 Substrate Promiscuity Across Three Species

  • Annika Röder,
  • Michael C. Hutter,
  • Eva Heitzer,
  • Pia Josephine Franz,
  • Saskia Hüsken,
  • Constanze Wiek and
  • Marco Girhard

Enzymes of the cytochrome P450 monooxygenase family 4 (CYP4) in mammals are generally involved either in endobiotic metabolism (e.g., acting on fatty acids or eicosanoids), or the modification of xenobiotics including therapeutic drugs. CYP4B1 is spe...

  • Review
  • Open Access
37 Citations
5,602 Views
21 Pages

Cytochromes P450 of Caenorhabditis elegans: Implication in Biological Functions and Metabolism of Xenobiotics

  • Lucie Larigot,
  • Daniel Mansuy,
  • Ilona Borowski,
  • Xavier Coumoul and
  • Julien Dairou

22 February 2022

Caenorhabditis elegans is an important model used for many aspects of biological research. Its genome contains 76 genes coding for cytochromes P450 (P450s), and few data about the biochemical properties of those P450s have been published so far. Howe...

  • Commentary
  • Open Access
14 Citations
3,685 Views
8 Pages

26 November 2020

Hepatic cytochrome P450 CYP2E1 is an enzyme engaged in the metabolic biotransformation of various xenobiotics and endobiotics, resulting in both detoxification and/or metabolic activation of its substrates to more therapeutic or toxic products. Eleva...

  • Review
  • Open Access
65 Citations
7,491 Views
44 Pages

Activation of Nrf2 by Natural Bioactive Compounds: A Promising Approach for Stroke?

  • Agnese Gugliandolo,
  • Placido Bramanti and
  • Emanuela Mazzon

Stroke represents one of the main causes of disability and death worldwide. The pathological subtypes of stroke are ischemic stroke, the most frequent, and hemorrhagic stroke. Nrf2 is a transcription factor that regulates redox homeostasis. In stress...

  • Review
  • Open Access
17 Citations
5,275 Views
12 Pages

Associations between Pregnane X Receptor and Breast Cancer Growth and Progression

  • Bradley A. Creamer,
  • Shelly N. B. Sloan,
  • Jennifer F. Dennis,
  • Robert Rogers,
  • Sidney Spencer,
  • Andrew McCuen,
  • Purnadeo Persaud and
  • Jeff L. Staudinger

15 October 2020

Pregnane X receptor (PXR, NR1I2) is a member of the ligand-activated nuclear receptor superfamily. This receptor is promiscuous in its activation profile and is responsive to a broad array of both endobiotic and xenobiotic ligands. PXR is involved in...

  • Review
  • Open Access
25 Citations
5,457 Views
22 Pages

Metabolomic Approaches to Study Chemical Exposure-Related Metabolism Alterations in Mammalian Cell Cultures

  • Aneta Balcerczyk,
  • Christian Damblon,
  • Bénédicte Elena-Herrmann,
  • Baptiste Panthu and
  • Gilles J. P. Rautureau

18 September 2020

Biological organisms are constantly exposed to an immense repertoire of molecules that cover environmental or food-derived molecules and drugs, triggering a continuous flow of stimuli-dependent adaptations. The diversity of these chemicals as well as...

  • Feature Paper
  • Article
  • Open Access
4 Citations
4,115 Views
26 Pages

Development and Experimental Validation of Regularized Machine Learning Models Detecting New, Structurally Distinct Activators of PXR

  • Steffen Hirte,
  • Oliver Burk,
  • Ammar Tahir,
  • Matthias Schwab,
  • Björn Windshügel and
  • Johannes Kirchmair

7 April 2022

The pregnane X receptor (PXR) regulates the metabolism of many xenobiotic and endobiotic substances. In consequence, PXR decreases the efficacy of many small-molecule drugs and induces drug-drug interactions. The prediction of PXR activators with the...

  • Article
  • Open Access
24 Citations
9,935 Views
12 Pages

21 April 2015

The constitutive androstane receptor (CAR) is a critical nuclear receptor in the gene regulation of xenobiotic and endobiotic metabolism. The LanthaScreenTM TR-FRET CAR coactivator assay provides a simple and reliable method to analyze the affinity o...

  • Feature Paper
  • Article
  • Open Access
10 Citations
3,900 Views
18 Pages

Diazepam Promotes Translocation of Human Constitutive Androstane Receptor (CAR) via Direct Interaction with the Ligand-Binding Domain

  • Josef Skoda,
  • Jan Dusek,
  • Martin Drastik,
  • Alzbeta Stefela,
  • Klara Dohnalova,
  • Karel Chalupsky,
  • Tomas Smutny,
  • Stanislav Micuda,
  • Sabine Gerbal-Chaloin and
  • Petr Pavek

24 November 2020

The constitutive androstane receptor (CAR) is the essential regulator of genes involved both in xenobiotic and endobiotic metabolism. Diazepam has been shown as a potent stimulator of CAR nuclear translocation and is assumed as an indirect CAR activa...

  • Article
  • Open Access
7 Citations
2,960 Views
28 Pages

The Somatic Mutation Landscape of UDP-Glycosyltransferase (UGT) Genes in Human Cancers

  • Dong Gui Hu,
  • Shashikanth Marri,
  • Julie-Ann Hulin,
  • Ross A. McKinnon,
  • Peter I. Mackenzie and
  • Robyn Meech

21 November 2022

The human UDP-glycosyltransferase (UGTs) superfamily has a critical role in the metabolism of anticancer drugs and numerous pro/anti-cancer molecules (e.g., steroids, lipids, fatty acids, bile acids and carcinogens). Recent studies have shown wide an...

  • Review
  • Open Access
24 Citations
8,724 Views
21 Pages

16 November 2022

Opioids are widely used in cancer and non-cancer pain management. However, many transporters at the blood–brain barrier (BBB), such as P-glycoprotein (P-gp, ABCB1/MDR1), may impair their delivery to the brain, thus leading to opioid tolerance....

  • Article
  • Open Access
1 Citations
2,071 Views
29 Pages

Background: Cytochrome P450 2B6 (CYP2B6) is a sexually dimorphic, anti-obesity CYP enzyme responsible for the metabolism of xeno- and endobiotics, including the metabolism of polyunsaturated fatty acids (PUFAs) into 9-hydroxyoctadecadienoic acid (9-H...