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Uno Y, Tsukiyama-Kohara K, Ishizuka M, Mizukawa H, Murayama N, Yamazaki H. Investigation of Functional Cytochrome P450 4A Enzymes in Liver and Kidney of Pigs, Cats, Tree Shrews, and Dogs in Comparison with the Metabolic Capacity of Human P450 4A11. Drug Metab Dispos 2024; 52:1009-1019. [PMID: 38951034 DOI: 10.1124/dmd.124.001780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/03/2024] Open
Abstract
Pigs are sometimes used in preclinical drug metabolism studies, with growing interest, and thus their drug-metabolizing enzymes, including the cytochromes P450 (P450 or CYP; EC 1.14.14.1), need to be examined. In the present study, novel CYP4A cDNAs were isolated and characterized, namely, pig CYP4A23 and CYP4A90; cat CYP4A37 and CYP4A106; and tree shrew CYP4A11a, CYP4A11d, CYP4A11e, CYP4A11f, and CYP4A11g. For comparison, the following known CYP4A cDNAs were also analyzed: pig CYP4A21 and dog CYP4A37, CYP4A38, and CYP4A39. These CYP4A cDNAs all contained open reading frames of 504-513 amino acids and had high amino acid sequence identity (74%-80%) with human CYP4As. Phylogenetic analysis of amino acid sequences revealed that these CYP4As were clustered in each species. All CYP4A genes contained 12 coding exons and formed a gene cluster in the corresponding genomic regions. A range of tissue types were analyzed, and these CYP4A mRNAs were preferentially expressed in liver and/or kidney, except for pig CYP4A90, which showed preferential expression in lung and duodenum. CYP4A enzymes, heterologously expressed in Escherichia coli, preferentially catalyzed lauric acid 12-hydroxylation and arachidonic acid 20-hydroxylation, just as human CYP4A11 does, with the same regioselectivity (i.e., at the ω-position of fatty acids). These results imply that dog, cat, pig, and tree shrew CYP4As have functional characteristics similar to those of human CYP4A11, with minor differences in lauric acid 12-hydroxylation. SIGNIFICANCE STATEMENT: Cytochrome P450 (P450, CYP) 4As are important P450s in human biological processes because of their fatty acid-metabolizing ability. Pig CYP4A21, CYP4A23, and CYP4A90; cat CYP4A37 and CYP4A106; tree shrew CYP4A11a, CYP4A11d, CYP4A11e, CYP4A11f, and CYP4A11g; and dog CYP4A37, CYP4A38, and CYP4A39 cDNAs were isolated and analyzed. These CYP4A cDNAs shared relatively high sequence identities with human CYP4A11 and CYP4A22. Pig, cat, tree shrew, and dog CYP4As in the liver and kidneys are likely to catalyze the ω-hydroxylation of fatty acids.
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Affiliation(s)
- Yasuhiro Uno
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
| | - Kyoko Tsukiyama-Kohara
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
| | - Mayumi Ishizuka
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
| | - Hazuki Mizukawa
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
| | - Norie Murayama
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
| | - Hiroshi Yamazaki
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima City, Kagoshima, Japan (Y.U., K.T.-K.); Graduate School of Veterinary Medicine, Hokkaido University, Sapporo, Japan (M.I.); Graduate School of Agriculture, Ehime University, Matsuyama, Ehime, Japan (H.M.); and Showa Pharmaceutical University, Machida, Tokyo, Japan (N.M., H.Y.)
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Barata IS, Rueff J, Kranendonk M, Esteves F. Pleiotropy of Progesterone Receptor Membrane Component 1 in Modulation of Cytochrome P450 Activity. J Xenobiot 2024; 14:575-603. [PMID: 38804287 PMCID: PMC11130977 DOI: 10.3390/jox14020034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/26/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
Progesterone receptor membrane component 1 (PGRMC1) is one of few proteins that have been recently described as direct modulators of the activity of human cytochrome P450 enzymes (CYP)s. These enzymes form a superfamily of membrane-bound hemoproteins that metabolize a wide variety of physiological, dietary, environmental, and pharmacological compounds. Modulation of CYP activity impacts the detoxification of xenobiotics as well as endogenous pathways such as steroid and fatty acid metabolism, thus playing a central role in homeostasis. This review is focused on nine main topics that include the most relevant aspects of past and current PGRMC1 research, focusing on its role in CYP-mediated drug metabolism. Firstly, a general overview of the main aspects of xenobiotic metabolism is presented (I), followed by an overview of the role of the CYP enzymatic complex (IIa), a section on human disorders associated with defects in CYP enzyme complex activity (IIb), and a brief account of cytochrome b5 (cyt b5)'s effect on CYP activity (IIc). Subsequently, we present a background overview of the history of the molecular characterization of PGRMC1 (III), regarding its structure, expression, and intracellular location (IIIa), and its heme-binding capability and dimerization (IIIb). The next section reflects the different effects PGRMC1 may have on CYP activity (IV), presenting a description of studies on the direct effects on CYP activity (IVa), and a summary of pathways in which PGRMC1's involvement may indirectly affect CYP activity (IVb). The last section of the review is focused on the current challenges of research on the effect of PGRMC1 on CYP activity (V), presenting some future perspectives of research in the field (VI).
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Affiliation(s)
- Isabel S. Barata
- Department of Pediatrics, Division of Endocrinology, Diabetology and Metabolism, University Children’s Hospital, University of Bern, 3010 Bern, Switzerland;
- Translational Hormone Research Program, Department of Biomedical Research, University of Bern, 3010 Bern, Switzerland
- Graduate School for Cellular and Biomedical Sciences, University of Bern, 3012 Bern, Switzerland
| | - José Rueff
- ToxOmics, NOVA Medical School, Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisboa, Portugal;
| | - Michel Kranendonk
- ToxOmics, NOVA Medical School, Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisboa, Portugal;
| | - Francisco Esteves
- ToxOmics, NOVA Medical School, Faculdade de Ciências Médicas, NMS|FCM, Universidade NOVA de Lisboa, Campo Mártires da Pátria 130, 1169-056 Lisboa, Portugal;
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Jin X, Tang J, Qiu X, Nie X, Ou S, Wu G, Zhang R, Zhu J. Ferroptosis: Emerging mechanisms, biological function, and therapeutic potential in cancer and inflammation. Cell Death Discov 2024; 10:45. [PMID: 38267442 PMCID: PMC10808233 DOI: 10.1038/s41420-024-01825-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 01/11/2024] [Accepted: 01/16/2024] [Indexed: 01/26/2024] Open
Abstract
Ferroptosis represents a distinct form of programmed cell death triggered by excessive iron accumulation and lipid peroxidation-induced damage. This mode of cell death differentiates from classical programmed cell death in terms of morphology and biochemistry. Ferroptosis stands out for its exceptional biological characteristics and has garnered extensive research and conversations as a form of programmed cell death. Its dysfunctional activation is closely linked to the onset of diseases, particularly inflammation and cancer, making ferroptosis a promising avenue for combating these conditions. As such, exploring ferroptosis may offer innovative approaches to treating cancer and inflammatory diseases. Our review provides insights into the relevant regulatory mechanisms of ferroptosis, examining the impact of ferroptosis-related factors from both physiological and pathological perspectives. Describing the crosstalk between ferroptosis and tumor- and inflammation-associated signaling pathways and the potential of ferroptosis inducers in overcoming drug-resistant cancers are discussed, aiming to inform further novel therapeutic directions for ferroptosis in relation to inflammatory and cancer diseases.
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Affiliation(s)
- Xin Jin
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Jiuren Tang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Xiangyu Qiu
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Xiaoya Nie
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Shengming Ou
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China
| | - Geyan Wu
- Biomedicine Research Centre, Guangdong Provincial Key Laboratory of Major Obstetric Diseases, Guangdong Provincial Clinical Research Center for Obstetrics and Gynecology, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, China.
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou, China.
| | - Rongxin Zhang
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China.
| | - Jinrong Zhu
- School of Life Sciences and Biopharmaceutics, Guangdong Pharmaceutical University, Guangzhou, China.
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Jia H, Brixius B, Bocianoski C, Ray S, Koes DR, Brixius-Anderko S. Deciphering the Role of Fatty Acid-Metabolizing CYP4F11 in Lung Cancer and Its Potential As a Drug Target. Drug Metab Dispos 2024; 52:69-79. [PMID: 37973374 DOI: 10.1124/dmd.123.001463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/25/2023] [Accepted: 11/14/2023] [Indexed: 11/19/2023] Open
Abstract
Lung cancer is the leading cause of cancer deaths worldwide. We found that the cytochrome P450 isoform CYP4F11 is significantly overexpressed in patients with lung squamous cell carcinoma. CYP4F11 is a fatty acid ω-hydroxylase and catalyzes the production of the lipid mediator 20-hydroxyeicosatetraenoic acid (20-HETE) from arachidonic acid. 20-HETE promotes cell proliferation and migration in cancer. Inhibition of 20-HETE-generating cytochrome P450 enzymes has been implicated as novel cancer therapy for more than a decade. However, the exact role of CYP4F11 and its potential as drug target for lung cancer therapy has not been established yet. Thus, we performed a transient knockdown of CYP4F11 in the lung cancer cell line NCI-H460. Knockdown of CYP4F11 significantly inhibits lung cancer cell proliferation and migration while the 20-HETE production is significantly reduced. For biochemical characterization of CYP4F11-inhibitor interactions, we generated recombinant human CYP4F11. Spectroscopic ligand binding assays were conducted to evaluate CYP4F11 binding to the unselective CYP4A/F inhibitor HET0016. HET0016 shows high affinity to recombinant CYP4F11 and inhibits CYP4F11-mediated 20-HETE production in vitro with a nanomolar IC 50 Cross evaluation of HET0016 in NCI-H460 cells shows that lung cancer cell proliferation is significantly reduced together with 20-HETE production. However, HET0016 also displays antiproliferative effects that are not 20-HETE mediated. Future studies aim to establish the role of CYP4F11 in lung cancer and the underlying mechanism and investigate the potential of CYP4F11 as a therapeutic target for lung cancer. SIGNIFICANCE STATEMENT: Lung cancer is a deadly cancer with limited treatment options. Cytochrome P450 4F11 (CYP4F11) is significantly upregulated in lung squamous cell carcinoma. Knockdown of CYP4F11 in a lung cancer cell line significantly attenuates cell proliferation and migration with reduced production of the lipid mediator 20-hydroxyeicosatetraenoic acid (20-HETE). Studies with the unselective inhibitor HET0016 show a high inhibitory potency of CYP4F11-mediated 20-HETE production using recombinant enzyme. Overall, our studies demonstrate the potential of targeting CYP4F11 for new transformative lung cancer treatment.
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Affiliation(s)
- Huiting Jia
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
| | - Bjoern Brixius
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
| | - Caleb Bocianoski
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
| | - Sutapa Ray
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
| | - David R Koes
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
| | - Simone Brixius-Anderko
- Department of Pharmaceutical Sciences, Center for Pharmacogenetics, University of Pittsburgh School of Pharmacy, Pittsburgh, Pennsylvania (H.J., B.B., S.R., S.B.-A.); Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania (D.R.K.); and Elizabeth Forward High School, Elizabeth, Pennsylvania (C.B.)
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An L, Li Y, Yaq L, Wang Y, Dai Q, Du S, Ru Y, Zhoucuo Q, Wang J. Transcriptome analysis reveals molecular regulation mechanism of Tibet sheep tolerance to high altitude oxygen environment. Anim Biotechnol 2023; 34:5097-5112. [PMID: 37729444 DOI: 10.1080/10495398.2023.2258953] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
As one of the most important livestock breeds on the Qinghai-Tibet Plateau, Tibetan sheep are of great importance to the local economy, agriculture and culture. Its adaptive mechanism in low temperature and low oxygen at highland altitudes has not been reported. In this study, transcriptome sequencing was used to analyze the heart, liver, spleen, lung, kidney, and muscle tissue of sheep at low and highland altitudes. LOC101112291, SELENOW, COL3A1, GPX1, TMSB4X and HSF4 were selected as candidate genes for adapting to plateau characteristics in Tibet Sheep. Besides, glutathione metabolism, arachidonic acid metabolism, nucleotide excision repair, regulation of actin cytoskeleton, protein digestion and absorption, thyroid hormone synthesis, relaxation signaling pathways may play important roles in the adaptation to plateau hypoxia, and cold tolerance. Structural analysis also showed that sequencing genes related to the adaptation mechanism of Tibet sheep to highland altitude. This study will lay a certain foundation for Tibet sheep research.
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Affiliation(s)
- Li An
- College of Life Science and Biotechnology, Mianyang Teacher's College, Mianyang, China
- Key Laboratory of Qinghai-Tibet Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest University for Nationalities, Chengdu, China
- College of Animal & Veterinary Science, Southwest Minzu University, Chengdu, China
| | - Yanyan Li
- Key Laboratory of Qinghai-Tibet Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest University for Nationalities, Chengdu, China
- College of Animal & Veterinary Science, Southwest Minzu University, Chengdu, China
| | - Lin Yaq
- Key Laboratory of Qinghai-Tibet Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest University for Nationalities, Chengdu, China
- College of Animal & Veterinary Science, Southwest Minzu University, Chengdu, China
| | - Yong Wang
- Key Laboratory of Qinghai-Tibet Plateau Animal Genetic Resource Reservation and Utilization of Education Ministry, Southwest University for Nationalities, Chengdu, China
- College of Animal & Veterinary Science, Southwest Minzu University, Chengdu, China
| | - Qilin Dai
- School of Life Science and Engineering, Southwest University of Science and Technology, Mian Yang, China
| | - Shizhang Du
- College of Life Science and Biotechnology, Mianyang Teacher's College, Mianyang, China
| | - Yi Ru
- Ruo'ergai Bureau of Agriculture and Animal Husbandry, Ruo'ergai, China
| | - Qi Zhoucuo
- Huzhu Tu Autonomous County of Comprehensive Law Enforcement Brigade of Agricultural Administration, Huzhu Tu Autonomous County, China
| | - Jinling Wang
- College of Life Science and Biotechnology, Mianyang Teacher's College, Mianyang, China
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Sato Y, Hishinuma E, Yamazaki S, Ueda A, Kumondai M, Saito S, Tadaka S, Kinoshita K, Nakayoshi T, Oda A, Maekawa M, Mano N, Hirasawa N, Hiratsuka M. Functional Characterization of 29 Cytochrome P450 4F2 Variants Identified in a Population of 8380 Japanese Subjects and Assessment of Arachidonic Acid ω-Hydroxylation. Drug Metab Dispos 2023; 51:1561-1568. [PMID: 37775333 DOI: 10.1124/dmd.123.001389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2023] [Revised: 09/04/2023] [Accepted: 09/25/2023] [Indexed: 10/01/2023] Open
Abstract
Cytochrome P450 4F2 (CYP4F2) is an enzyme that is involved in the metabolism of arachidonic acid (AA), vitamin E and K, and xenobiotics including drugs. CYP4F2*3 polymorphism (rs2108622; c.1297G>A; p.Val433Met) has been associated with hypertension, ischemic stroke, and variation in the effectiveness of the anticoagulant drug warfarin. In this study, we characterized wild-type CYP4F2 and 28 CYP4F2 variants, including a Val433Met substitution, detected in 8380 Japanese subjects. The CYP4F2 variants were heterologously expressed in 293FT cells to measure the concentrations of CYP4F2 variant holoenzymes using carbon monoxide-reduced difference spectroscopy, where the wild type and 18 holoenzyme variants showed a peak at 450 nm. Kinetic parameters [Vmax , substrate concentration producing half of Vmax (S50 ), and intrinsic clearance (CL int ) as Vmax /S50 ] of AA ω-hydroxylation were determined for the wild type and 21 variants with enzyme activity. Compared with the wild type, two variants showed significantly decreased CL int values for AA ω-hydroxylation. The values for seven variants could not be determined because no enzymatic activity was detected at the highest substrate concentration used. Three-dimensional structural modeling was performed to determine the reason for reduced enzymatic activity of the CYP4F2 variants. Our findings contribute to a better understanding of CYP4F2 variant-associated diseases and possible future therapeutic strategies. SIGNIFICANCE STATEMENT: CYP4F2 is involved in the metabolism of arachidonic acid and vitamin K, and CYP4F2*3 polymorphisms have been associated with hypertension and variation in the effectiveness of the anticoagulant drug warfarin. This study presents a functional analysis of 28 CYP4F2 variants identified in Japanese subjects, demonstrating that seven gene polymorphisms cause loss of CYP4F2 function, and proposes structural changes that lead to altered function.
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Affiliation(s)
- Yu Sato
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Eiji Hishinuma
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Shuki Yamazaki
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Akiko Ueda
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Masaki Kumondai
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Sakae Saito
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Shu Tadaka
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Kengo Kinoshita
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Tomoki Nakayoshi
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Akifumi Oda
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Masamitsu Maekawa
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Nariyasu Mano
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Noriyasu Hirasawa
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
| | - Masahiro Hiratsuka
- Department of Pharmaceutical Sciences, Tohoku University Hospital, Sendai, Japan (Y.S., M.K., M.M., N.M., N.H., M.H.); Advanced Research Center for Innovations in Next-Generation Medicine (E.H., A.U., S.S., K.K., M.M., N.H., M.H.), Tohoku Medical Megabank Organization (E.H., S.S., S.T., K.K., M.H.), and Laboratory of Pharmacotherapy of Life-Style Related Diseases, Graduate School of Pharmaceutical Sciences (S.Y., M.K., N.H., M.H.), Tohoku University, Sendai, Japan; Graduate School of Information Sciences, Hiroshima City University, Hiroshima, Japan (T.N.); and Department of Biophysical Chemistry, Faculty of Pharmacy, Meijo University, Nagoya, Japan (A.O.)
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7
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Itoh H, Yamashita N, Kamijo S, Masuda K, Kato H, Yamaori S. Effects of acidic non-steroidal anti-inflammatory drugs on human cytochrome P450 4A11 activity: Roles of carboxylic acid and a sulfur atom in potent inhibition by sulindac sulfide. Chem Biol Interact 2023; 382:110644. [PMID: 37499995 DOI: 10.1016/j.cbi.2023.110644] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/29/2023]
Abstract
Cytochrome P450 4A11 (CYP4A11) has many endogenous and exogenous compounds containing a carboxyl group in their structure as substrates. If drugs with this characteristic potently attenuate the catalytic function of CYP4A11, drug-drug interactions may occur. Acidic non-steroidal anti-inflammatory drugs (NSAIDs) possess a carboxylic acid in their structure. However, it remains unclear whether these drugs inhibit CYP4A11 activity. The present study examined the inhibitory effects of acidic NSAIDs on CYP4A11 activity using human liver microsomes (HLMs) and recombinant CYP4A11. Sulindac sulfide, ibuprofen, and flurbiprofen effectively decreased the luciferin-4A O-demethylase activity of HLMs and recombinant CYP4A11 (inhibition rates of 30-96% at an inhibitor concentration of 100 μM), while salicylic acid, aspirin, diclofenac, mefenamic acid, indomethacin, etodolac, ketoprofen, loxoprofen, S-naproxen, pranoprofen, zaltoprofen, and oxaprozin exhibited weaker inhibitory activity (inhibition rates up to 23%). Among the drugs tested, sulindac sulfide was the most potent inhibitor of CYP4A11 activity. A kinetic analysis of the inhibition of CYP4A11 by sulindac sulfide revealed mixed-type inhibition for HLMs (Ki = 3.38 μM) and recombinant CYP4A11 (Ki = 4.19 μM). Sulindac sulfide is a pharmacologically active metabolite of sulindac (sulfoxide form), which is also oxidized to sulindac sulfone. To elucidate the role of a sulfur atom of sulindac sulfide in the inhibition of CYP4A11, the inhibitory effects of sulindac sulfide and its oxidized forms on CYP4A11 activity were examined. The potency of inhibition against HLMs was greater in the order of sulindac sulfide, sulindac, and sulindac sulfone; IC50 values were 6.16, 52.7, and 71.6 μM, respectively. The present results indicate that sulindac sulfide is a potent inhibitor of CYP4A11. These results and the molecular modeling of CYP4A11 with sulindac sulfide and its oxidized forms suggest that a sulfur atom of sulindac sulfide as well as its carboxylic acid play important roles in the inhibition of CYP4A11.
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Affiliation(s)
- Hisataka Itoh
- Department of Pharmacy, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Japan; Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Naho Yamashita
- School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Shinobu Kamijo
- Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan
| | - Kazufumi Masuda
- Department of Physical Chemistry, Graduate School of Clinical Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayama, 703-8516, Japan
| | - Hisato Kato
- Department of Physical Chemistry, Graduate School of Clinical Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayama, 703-8516, Japan
| | - Satoshi Yamaori
- Department of Pharmacy, Shinshu University Hospital, 3-1-1 Asahi, Matsumoto, 390-8621, Japan; Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University, 3-1-1 Asahi, Matsumoto, 390-8621, Japan.
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8
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Huang K, Ma T, Li Q, Zhou Y, Qin T, Zhong Z, Tang S, Zhang W, Zhong J, Lu S. Genetic Variants of CYP4F2 Associated with Ischemic Stroke Susceptibility in the Han Population from Southern China. Pharmgenomics Pers Med 2023; 16:599-607. [PMID: 37342180 PMCID: PMC10278860 DOI: 10.2147/pgpm.s413632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Accepted: 05/26/2023] [Indexed: 06/22/2023] Open
Abstract
Background The pathophysiological mechanism of ischemic stroke is complex. Traditional risk factors cannot fully or only partially explain the occurrence and development of IS. Genetic factors are getting more and more attention. Our study aimed to explore the association between CYP4F2 gene polymorphism and susceptibility to IS. Methods A total of 1322 volunteers were enrolled to perform an association analysis through SNPStats online software. Using FPRP (false-positive report probability) to detect whether the result is a noteworthy finding. The interaction of SNP-SNP in IS risk was assessed by multi-factor dimensionality reduction. Statistical analysis of this study was mainly completed by SPSS 22.0 software. Results Mutant allele "A" (OR = 1.24) and genotype "AA" (OR = 1.49) or "GA" (OR = 1.26) of CYP4F2-rs2108622 are risk genetic factors for IS. Rs2108622 is significantly associated with an increased risk of IS among subjects who are females, aging >60 years old, with BMI ≥24 kg/m2, and smoking or drinking volunteers. CYP4F2-rs3093106 and -rs3093105 are associated with susceptibility to IS among smoking, drinking subjects, or IS patients complicated with hypertension. Conclusion CYP4F2-rs2108622, -rs3093106, and -rs3093105 are associated with an increased risk of IS.
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Affiliation(s)
- Kang Huang
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Tianyi Ma
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Qiang Li
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Yilei Zhou
- Medical College, Jingchu University of Technology, Jingmen, Hubei, People’s Republic of China
| | - Ting Qin
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Zanrui Zhong
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Shilin Tang
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Wei Zhang
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Jianghua Zhong
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
| | - Shijuan Lu
- Department of Cardiovascular Medicine, Central South University Xiangya School of Medicine Affiliated Haikou Hospital, Haikou, People’s Republic of China
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9
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Ranea-Robles P, Houten SM. The biochemistry and physiology of long-chain dicarboxylic acid metabolism. Biochem J 2023; 480:607-627. [PMID: 37140888 PMCID: PMC10214252 DOI: 10.1042/bcj20230041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 04/20/2023] [Accepted: 04/21/2023] [Indexed: 05/05/2023]
Abstract
Mitochondrial β-oxidation is the most prominent pathway for fatty acid oxidation but alternative oxidative metabolism exists. Fatty acid ω-oxidation is one of these pathways and forms dicarboxylic acids as products. These dicarboxylic acids are metabolized through peroxisomal β-oxidation representing an alternative pathway, which could potentially limit the toxic effects of fatty acid accumulation. Although dicarboxylic acid metabolism is highly active in liver and kidney, its role in physiology has not been explored in depth. In this review, we summarize the biochemical mechanism of the formation and degradation of dicarboxylic acids through ω- and β-oxidation, respectively. We will discuss the role of dicarboxylic acids in different (patho)physiological states with a particular focus on the role of the intermediates and products generated through peroxisomal β-oxidation. This review is expected to increase the understanding of dicarboxylic acid metabolism and spark future research.
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Affiliation(s)
- Pablo Ranea-Robles
- Novo Nordisk Foundation Center for Basic Metabolic Research, University of Copenhagen, Copenhagen, Denmark
| | - Sander M Houten
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, NY, U.S.A
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10
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Zhou M, Li J, Xu J, Zheng L, Xu S. Exploring human CYP4 enzymes: physiological roles, function in diseases and focus on inhibitors. Drug Discov Today 2023; 28:103560. [PMID: 36958639 DOI: 10.1016/j.drudis.2023.103560] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 03/06/2023] [Accepted: 03/16/2023] [Indexed: 03/25/2023]
Abstract
The cytochrome P450 (CYP)4 family of enzymes are monooxygenases responsible for the ω-oxidation of endogenous fatty acids and eicosanoids and play a crucial part in regulating numerous eicosanoid signaling pathways. Recently, CYP4 gained attention as a potential therapeutic target for several human diseases, including cancer, cardiovascular diseases and inflammation. Small-molecule inhibitors of CYP4 could provide promising treatments for these diseases. The aim of the present review is to highlight the advances in the field of CYP4, discussing the physiology and pathology of the CYP4 family and compiling CYP4 inhibitors into groups based on their chemical classes to provide clues for the future discovery of drug candidates targeting CYP4. Teaser: This review provides an updated view of the physiology and pathology of CYP4 enzymes. CYP4 inhibitors are compiled based on their skeletons to provide clues for the future discovery of drug candidates targeting CYP4.
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Affiliation(s)
- Manzhen Zhou
- Department of Medicinal Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China
| | - Junda Li
- Department of Medicinal Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China
| | - Jinyi Xu
- Department of Medicinal Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China
| | - Lufeng Zheng
- School of Life Science and Technology, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China
| | - Shengtao Xu
- Department of Medicinal Chemistry, China Pharmaceutical University, 639 Longmian Avenue, Nanjing 211198, China; Department of Hepatobiliary Surgery, The First People's Hospital of Kunshan, Suzhou, 215300, China.
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11
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Liang L, Zheng Q. Insights into the binding mechanism between α-TOH and CYP4F2: A homology modeling, molecular docking, and molecular dynamics simulation study. J Cell Biochem 2023; 124:573-585. [PMID: 36924012 DOI: 10.1002/jcb.30391] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/13/2023] [Accepted: 02/15/2023] [Indexed: 03/18/2023]
Abstract
α-Tocopherol (α-TOH) is a potent antioxidant. The concentrations of α-TOH in plasma are closely related to human health. α-TOH can be regulated by the metabolism of cytochrome P450 4F2 (CYP4F2). However, the atomic-level basis for this regulation process remains elusive. Here, we successfully constructed the structure of CYP4F2 by homology modeling and obtained the α-TOH-CYP4F2 complex models using molecular docking. Three parallel 500 ns molecular dynamics simulations were performed on each complex model to investigate the details of the interaction between α-TOH and CYP4F2. MM-GBSA method combined with principal component analysis shows that 8 key residues establish a hydrophobic cavity stabilizing α-TOH in the pocket of CYP4F2 and S423 forms an important hydrogen bond with α-TOH anchoring α-TOH in the favorable position for ω-hydroxylation. Based on our simulation results and the experimental facts, we designed mutation simulation experiments to clarify the important role of two key residues (S423 and V433) in the binding of α-TOH with CYP4F2. The results show that the mutations directly or indirectly change the binding mode of α-TOH and decrease its binding affinity with CYP4F2, which is unfavorable for ω-hydroxylation. Our results could enrich the information on structure-function relationships of CYP4F2 and provide valuable insights into the regulatory mechanism of CYP4F2 on the metabolism of α-TOH.
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Affiliation(s)
- Leilei Liang
- Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, China
| | - Qingchuan Zheng
- School of Pharmaceutical Sciences, Jilin University, Changchun, China.,Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, China
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12
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Korbecki J, Rębacz-Maron E, Kupnicka P, Chlubek D, Baranowska-Bosiacka I. Synthesis and Significance of Arachidonic Acid, a Substrate for Cyclooxygenases, Lipoxygenases, and Cytochrome P450 Pathways in the Tumorigenesis of Glioblastoma Multiforme, Including a Pan-Cancer Comparative Analysis. Cancers (Basel) 2023; 15:cancers15030946. [PMID: 36765904 PMCID: PMC9913267 DOI: 10.3390/cancers15030946] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Glioblastoma multiforme (GBM) is one of the most aggressive gliomas. New and more effective therapeutic approaches are being sought based on studies of the various mechanisms of GBM tumorigenesis, including the synthesis and metabolism of arachidonic acid (ARA), an omega-6 polyunsaturated fatty acid (PUFA). PubMed, GEPIA, and the transcriptomics analysis carried out by Seifert et al. were used in writing this paper. In this paper, we discuss in detail the biosynthesis of this acid in GBM tumors, with a special focus on certain enzymes: fatty acid desaturase (FADS)1, FADS2, and elongation of long-chain fatty acids family member 5 (ELOVL5). We also discuss ARA metabolism, particularly its release from cell membrane phospholipids by phospholipase A2 (cPLA2, iPLA2, and sPLA2) and its processing by cyclooxygenases (COX-1 and COX-2), lipoxygenases (5-LOX, 12-LOX, 15-LOX-1, and 15-LOX-2), and cytochrome P450. Next, we discuss the significance of lipid mediators synthesized from ARA in GBM cancer processes, including prostaglandins (PGE2, PGD2, and 15-deoxy-Δ12,14-PGJ2 (15d-PGJ2)), thromboxane A2 (TxA2), oxo-eicosatetraenoic acids, leukotrienes (LTB4, LTC4, LTD4, and LTE4), lipoxins, and many others. These lipid mediators can increase the proliferation of GBM cancer cells, cause angiogenesis, inhibit the anti-tumor response of the immune system, and be responsible for resistance to treatment.
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Affiliation(s)
- Jan Korbecki
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Ewa Rębacz-Maron
- Department of Ecology and Anthropology, Institute of Biology, University of Szczecin, Wąska 13, 71-415 Szczecin, Poland
| | - Patrycja Kupnicka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Dariusz Chlubek
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, Powstańców Wlkp. 72, 70-111 Szczecin, Poland
- Correspondence: ; Tel.: +48-914-661-515
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13
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Alba MM, Ebright B, Hua B, Slarve I, Zhou Y, Jia Y, Louie SG, Stiles BL. Eicosanoids and other oxylipins in liver injury, inflammation and liver cancer development. Front Physiol 2023; 14:1098467. [PMID: 36818443 PMCID: PMC9932286 DOI: 10.3389/fphys.2023.1098467] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/16/2023] [Indexed: 02/05/2023] Open
Abstract
Liver cancer is a malignancy developed from underlying liver disease that encompasses liver injury and metabolic disorders. The progression from these underlying liver disease to cancer is accompanied by chronic inflammatory conditions in which liver macrophages play important roles in orchestrating the inflammatory response. During this process, bioactive lipids produced by hepatocytes and macrophages mediate the inflammatory responses by acting as pro-inflammatory factors, as well as, playing roles in the resolution of inflammation conditions. Here, we review the literature discussing the roles of bioactive lipids in acute and chronic hepatic inflammation and progression to cancer.
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Affiliation(s)
- Mario M. Alba
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Brandon Ebright
- Clinical Pharmacy, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Brittney Hua
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Ielyzaveta Slarve
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Yiren Zhou
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Yunyi Jia
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Stan G. Louie
- Clinical Pharmacy, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States
| | - Bangyan L. Stiles
- Pharmacology and Pharmaceutical Sciences, School of Pharmacy, University of Southern California, Los Angeles, CA, Unites States,Pathology, Keck School of Medicine, University of Southern California, Los Angeles, CA, Unites States,*Correspondence: Bangyan L. Stiles,
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14
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Cho C, Aliwarga T, Wiley AM, Totah RA. Cardioprotective mechanisms of cytochrome P450 derived oxylipins from ω-3 and ω-6 PUFAs. ADVANCES IN PHARMACOLOGY 2023; 97:201-227. [DOI: 10.1016/bs.apha.2023.02.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/29/2023]
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15
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Elbarbry F, Jones G, Ung A. Catechin Reduces Blood Pressure in Spontaneously Hypertensive Rats through Modulation of Arachidonic Acid Metabolism. Molecules 2022; 27:8432. [PMID: 36500525 PMCID: PMC9735775 DOI: 10.3390/molecules27238432] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 11/17/2022] [Accepted: 11/29/2022] [Indexed: 12/05/2022] Open
Abstract
(1) Background: hypertension affects approximately half of the adults in the United States (roughly 116 million). The cytochrome P450 (CYP)-mediated metabolism of arachidonic acid (AA) in the kidney has been found to play a major role in the pathogenesis of hypertension. This study examines the anti-hypertensive effect of the natural polyphenolic compound catechin (CAT) and investigates if it impacts the metabolism of AA in the kidney in comparison to captopril (CAP): a commonly used antihypertensive drug. (2) Methods: spontaneously hypertensive rats (SHR) were randomly divided into five groups. The treatment groups were administered CAT in drinking water at doses of 10 and 50 mg/kg. A positive control group received CAP at a dose of 10 mg/kg in the drinking water, and one group received both CAP and CAT at doses of 10 mg/kg and 50 mg/kg, respectively. Blood pressure was monitored weekly for five weeks. The activity of the two major enzymes involved in AA metabolism in the kidney, namely CYP4A and soluble epoxide hydrolase (sEH), were analyzed. (3) Results: CAP monotherapy was found to reduce blood pressure compared to the control untreated rats but did not demonstrate any effect on AA metabolism. Low- and high-dose CAT resisted the rise in blood pressure observed in the untreated SHR and significantly lowered blood pressure compared to the control group, respectively. Only rats treated with high CAT doses demonstrated significant inhibition of CYP4A and sEH enzyme activities. The coadministration of CAP and a high dose of CAT resulted in more pronounced blood pressure-lowering effects, but no more significant effects on AA metabolism were found compared to a high dose of CAT alone. (4) Conclusion: the modulation of AA metabolism in the kidney contributes, at least partially, to the blood pressure-lowering effect of CAT in SHR rats.
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Affiliation(s)
- Fawzy Elbarbry
- School of Pharmacy, Pacific University Oregon, Hillsboro, OR 97123, USA
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16
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Li W, Shao C, Zhou H, Du H, Chen H, Wan H, He Y. Multi-omics research strategies in ischemic stroke: A multidimensional perspective. Ageing Res Rev 2022; 81:101730. [PMID: 36087702 DOI: 10.1016/j.arr.2022.101730] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Revised: 08/23/2022] [Accepted: 09/03/2022] [Indexed: 01/31/2023]
Abstract
Ischemic stroke (IS) is a multifactorial and heterogeneous neurological disorder with high rate of death and long-term impairment. Despite years of studies, there are still no stroke biomarkers for clinical practice, and the molecular mechanisms of stroke remain largely unclear. The high-throughput omics approach provides new avenues for discovering biomarkers of IS and explaining its pathological mechanisms. However, single-omics approaches only provide a limited understanding of the biological pathways of diseases. The integration of multiple omics data means the simultaneous analysis of thousands of genes, RNAs, proteins and metabolites, revealing networks of interactions between multiple molecular levels. Integrated analysis of multi-omics approaches will provide helpful insights into stroke pathogenesis, therapeutic target identification and biomarker discovery. Here, we consider advances in genomics, transcriptomics, proteomics and metabolomics and outline their use in discovering the biomarkers and pathological mechanisms of IS. We then delineate strategies for achieving integration at the multi-omics level and discuss how integrative omics and systems biology can contribute to our understanding and management of IS.
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Affiliation(s)
- Wentao Li
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Chongyu Shao
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Huifen Zhou
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Haixia Du
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Haiyang Chen
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Haitong Wan
- School of Life Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
| | - Yu He
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou 310053, China.
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Singh RD, Avadhesh A, Sharma G, Dholariya S, Shah RB, Goyal B, Gupta SC. Potential of cytochrome P450, a family of xenobiotic metabolizing enzymes, in cancer therapy. Antioxid Redox Signal 2022; 38:853-876. [PMID: 36242099 DOI: 10.1089/ars.2022.0116] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
SIGNIFICANCE Targeted cancer therapy with minimal off-target consequences has shown promise for some cancer types. Although cytochrome P450 (CYP) consists of 18 families, CYP1-4 families play key role in metabolizing xenobiotics and cancer drugs. This eventually affects the process of carcinogenesis, treatment outcome, and cancer drug resistance. Differential overexpression of CYPs in transformed cells, together with phenotypic alterations in tumors, presents a potential for therapeutic intervention. RECENT ADVANCES Recent advances in molecular tools and information technology have helped utilize CYPs as cancer targets. The precise expression in various tumors, X-ray crystal structures, improved understanding of the structure-activity relationship, and new approaches in the development of prodrugs have supported the ongoing efforts to develop CYPs-based drugs with a better therapeutic index. CRITICAL ISSUES Narrow therapeutic index, off-target effects, drug resistance, and tumor heterogeneity limit the benefits of CYP-based conventional cancer therapies. In this review, we address the CYP1-4 families as druggable targets in cancer. An emphasis is given to the CYP expression, function, and the possible mechanisms that drive expression and activity in normal and transformed tissues. The strategies that inhibit or activate CYPs for therapeutic benefits are also discussed. FUTURE DIRECTIONS Efforts are needed to develop more selective tools that will help comprehend molecular and metabolic alterations in tumor tissues with biological end-points in relation to CYPs. This will eventually translate to developing more specific CYP inhibitors/inducers.
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Affiliation(s)
- Ragini D Singh
- AIIMS Rajkot, 618032, Biochemistry, Rajkot, Gujarat, India;
| | - Avadhesh Avadhesh
- Institute of Science, Banaras Hindu University, Biochemistry, Varanasi, Uttar Pradesh, India;
| | - Gaurav Sharma
- AIIMS Rajkot, 618032, Physiology, Rajkot, Gujarat, India;
| | | | - Rima B Shah
- AIIMS Rajkot, 618032, Pharmacology, Rajkot, Gujarat, India;
| | - Bela Goyal
- AIIMS Rishikesh, 442339, Biochemistry, Rishikesh, Uttarakhand, India;
| | - Subash Chandra Gupta
- Institute of Science, Banaras Hindu University, Biochemistry, Institute of Science, Banaras Hindu University, Varanasi, Uttar Pradesh, India, 221005;
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Ding L, Ning S, Hu W, Xue Y, Yu S. Distinctive Metabolism-Associated Gene Clusters That Are Also Prognostic in Intrahepatic Cholangiocarcinoma and Hepatocellular Carcinoma. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:6595989. [PMID: 36199423 PMCID: PMC9527115 DOI: 10.1155/2022/6595989] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 08/22/2022] [Accepted: 08/29/2022] [Indexed: 11/29/2022]
Abstract
Objective To offer new prognostic evaluations by exploring potentially distinctive genetic features of hepatocellular carcinoma (HCC) and intrahepatic cholangiocarcinoma (ICC). Methods There were 12 samples for gene expression profiling processes in this study. These included three HCC lesion samples and their matched adjacent nontumor liver tissues obtained from patients with HCC, as well as three ICC samples and their controls collected similarly. In addition to the expression matrix generated on our own, profiles of other cohorts from The Cancer Genome Atlas (TCGA) program and the Gene Expression Omnibus (GEO) were also employed in later bioinformatical analyses. Differential analyses, functional analyses, protein interaction network analyses, and gene set variation analyses were used to identify key genes. To establish the prognostic models, univariate/multivariate Cox analyses and subsequent stepwise regression were applied, with the Akaike information criterion evaluating the goodness of fitness. Results The top three pathways enriched in HCC were all metabolism-related; they were fatty acid degradation, retinol metabolism, and arachidonic acid metabolism. In ICC, on the other hand, additional pathways related to fat digestion and absorption and cholesterol metabolism were identified. Consistent characteristics of such a metabolic landscape were observed across different cohorts. A prognostic risk score model for calculating HCC risk was constructed, consisting of ADH4, ADH6, CYP2C9, CYP4F2, and RDH16. This signature predicts the 3-year survival with an AUC area of 0.708 (95%CI = 0.644 to 0.772). For calculating the risk of ICC, a prognostic risk score model was built upon the expression levels of CYP26A1, NAT2, and UGT2B10. This signature predicts the 3-year survival with an AUC area of 0.806 (95% CI = 0.664 to 0.947). Conclusion HCC and ICC share commonly abrupted pathways associated with the metabolism of fatty acids, retinol, arachidonic acids, and drugs, indicating similarities in their pathogenesis as primary liver cancers. On the flip side, these two types of cancer possess distinctive promising biomarkers for predicting overall survival or potential targeted therapies.
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Affiliation(s)
- Linchao Ding
- Central Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Shilong Ning
- Department of Clinical Nutrition, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Weijian Hu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Yadong Xue
- Central Laboratory, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
| | - Shi'an Yu
- Department of Hepatobiliary and Pancreatic Surgery, Affiliated Jinhua Hospital, Zhejiang University School of Medicine, Jinhua, China
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19
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Kampschulte N, Berking T, Çelik IE, Kirsch SF, Schebb NH. Inhibition of cytochrome P450 monooxygenase-catalyzed oxylipin formation by flavonoids: Evaluation of structure-activity relationship towards CYP4F2-selective inhibitors. Eur J Med Chem 2022; 238:114332. [DOI: 10.1016/j.ejmech.2022.114332] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 03/19/2022] [Accepted: 03/28/2022] [Indexed: 11/03/2022]
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20
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Meskauskaite U, Andruskeviciute S, Ciapiene I, Giedraitiene A, Lesauskaite V, Tatarunas V. Pleiotropic Effects of Ticagrelor: Influence on CYP4F2 Gene and Protein Expression in HUVEC and HepG2, and Escherichia coli Bacterial Survival. Drug Des Devel Ther 2022; 16:2559-2568. [PMID: 35959420 PMCID: PMC9359174 DOI: 10.2147/dddt.s357985] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 07/05/2022] [Indexed: 11/23/2022] Open
Abstract
Background Antiplatelet drugs, such as ticagrelor, which target platelet P2Y12 receptors, are used for prevention of ischemic heart disease. Ticagrelor is also known to have pleiotropic effects of unknown mechanisms. Ticagrelor could influence the expression of molecules involved in resolution of inflammation. This study aimed to investigate if ticagrelor could change the expression of CYP4F2 and its encoded protein concentration and, additionally, to determine ticagrelor possible antibacterial activity against gram-negative bacteria. Methods CYP4F2 expression was determined in HUVEC and HepG2 cell lines by qPCR. CYP4F2 protein concentration was determined by ELISA. Antibiotic susceptibility testing was performed using a disc diffusion method. Results Ticagrelor was observed to reduce the expression of CYP4F2 in HUVEC and HepG2 cell lines. It also reduced CYP4F2 protein levels in HUVEC cells. Ticagrelor had no bactericidal activity against gram-negative third generation cephalosporin resistant E. coli. Conclusion Ticagrelor reduced CYP4F2 protein concentration in HUVEC, and CYP4F2 expression in HUVEC and HepG2 cells, but had no effect on third-generation cephalosporin-resistant E. coli strains.
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Affiliation(s)
- Ugne Meskauskaite
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | | | - Ieva Ciapiene
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Agne Giedraitiene
- Institute of Microbiology and Virology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vaiva Lesauskaite
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vacis Tatarunas
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
- Correspondence: Vacis Tatarunas, Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania, Tel +370 37302874, Email
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The Modulation of Arachidonic Acid Metabolism and Blood Pressure-Lowering Effect of Honokiol in Spontaneously Hypertensive Rats. Molecules 2022; 27:molecules27113396. [PMID: 35684335 PMCID: PMC9182499 DOI: 10.3390/molecules27113396] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/23/2022] [Accepted: 05/24/2022] [Indexed: 11/17/2022] Open
Abstract
Background: Cardiovascular diseases have consistently been the leading cause of death in the United States over the last two decades, with 30% of the adult American population having hypertension. The metabolites of arachidonic acid (AA) in the kidney play an important role in blood pressure regulation. The present study investigates the antihypertensive effect of honokiol (HON), a naturally occurring polyphenol, and examines its correlation to the modulation of AA metabolism. Methods: Spontaneously hypertensive rats (SHR) were randomly divided into four groups. Treatment groups were administered HON intraperitoneally at concentrations of 5, 20, and 50 mg/kg. Blood pressure was monitored at seven-day intervals. After a total of 3 weeks of treatment, the rats were euthanized and the kidney tissues were collected to examine the activity of the two major enzymes involved in AA metabolism in the kidney, namely cytochrome P450 (CYP)4A and soluble epoxide hydrolase (sEH). Results: Rats treated with HON did not experience the rise in blood pressure observed in the untreated SHR. High-dose HON significantly reduced blood pressure and inhibited the activity and protein expression of the CYP4A enzyme in the rat kidney. The activity of the sEH enzyme in renal cytosol was significantly inhibited by medium and high doses of HON. Conclusion: Our data demonstrate the antihypertensive effect of HON and provide a novel mechanism for its underlying cardioprotective properties.
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22
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Xu M, Chen Y, Xi X, Jiang C, Zhang Q, Wu T, Chu J, Dai G, Bai Y, Yu Q, Zou J, Ju W. In vitro inhibitory effects of components from Salvia miltiorrhiza on catalytic activity of three human AA ω-hydroxylases. Drug Metab Pharmacokinet 2022; 43:100402. [DOI: 10.1016/j.dmpk.2021.100402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 04/22/2021] [Accepted: 04/25/2021] [Indexed: 11/03/2022]
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Price CL, Warrilow AGS, Rolley NJ, Parker JE, Thoss V, Kelly DE, Corcionivoschi N, Kelly SL. Cytochrome P450 168A1 from Pseudomonas aeruginosa is involved in the hydroxylation of biologically relevant fatty acids. PLoS One 2022; 17:e0265227. [PMID: 35312722 PMCID: PMC8936499 DOI: 10.1371/journal.pone.0265227] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 02/24/2022] [Indexed: 11/26/2022] Open
Abstract
The cytochrome P450 CYP168A1 from Pseudomonas aeruginosa was cloned and expressed in Escherichia coli followed by purification and characterization of function. CYP168A1 is a fatty acid hydroxylase that hydroxylates saturated fatty acids, including myristic (0.30 min-1), palmitic (1.61 min-1) and stearic acids (1.24 min-1), at both the ω-1- and ω-2-positions. However, CYP168A1 only hydroxylates unsaturated fatty acids, including palmitoleic (0.38 min-1), oleic (1.28 min-1) and linoleic acids (0.35 min-1), at the ω-1-position. CYP168A1 exhibited a catalytic preference for palmitic, oleic and stearic acids as substrates in keeping with the phosphatidylcholine-rich environment deep in the lung that is colonized by P. aeruginosa.
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Affiliation(s)
- Claire L. Price
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
| | - Andrew G. S. Warrilow
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
| | - Nicola J. Rolley
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
| | - Josie E. Parker
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
| | - Vera Thoss
- Plant Chemistry Group, School of Chemistry, Bangor University, Bangor, Gwynedd, Wales, United Kingdom
| | - Diane E. Kelly
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
| | - Nicolae Corcionivoschi
- Agri-Food and Biosciences Institute, Veterinary Science Division, Bacteriology Branch, Stoney Road, Stormont, Belfast, Northern Ireland, United Kingdom
- Faculty of Bioengineering of Animal Resources, Banat University of Agricultural Sciences and Veterinary Medicine, King Michael I of Romania, Timisoara, Romania
| | - Steven L. Kelly
- Centre for Cytochrome P450 Biodiversity, Institute of Life Science, Swansea University Medical School, Swansea University, Swansea, Wales, United Kingdom
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Froogh G, Garcia V, Laniado Schwartzman M. The CYP/20-HETE/GPR75 axis in hypertension. ADVANCES IN PHARMACOLOGY 2022; 94:1-25. [PMID: 35659370 PMCID: PMC10123763 DOI: 10.1016/bs.apha.2022.02.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
20-Hydroxyeicosatetraenoic acid (20-HETE) is a bioactive lipid generated from the ω-hydroxylation of arachidonic acid (AA) by enzymes of the cytochrome P450 (CYP) family, primarily the CYP4A and CYP4F subfamilies. 20-HETE is most notably identified as a modulator of vascular tone, regulator of renal function, and a contributor to the onset and development of hypertension and cardiovascular disease. 20-HETE-mediated signaling promotes hypertension by sensitizing the vasculature to constrictor stimuli, inducing endothelial dysfunction, and potentiating vascular inflammation. These bioactions are driven by the activation of the G-protein coupled receptor 75 (GPR75), a 20-HETE receptor (20HR). Given the capacity of 20-HETE signaling to drive pro-hypertensive mechanisms, the CYP/20-HETE/GPR75 axis has the potential to be a significant therapeutic target for the treatment of hypertension and cardiovascular diseases associated with increases in blood pressure. In this chapter, we review 20-HETE-mediated cellular mechanisms that promote hypertension, highlight important data in humans such as genetic variants in the CYP genes that potentiate 20-HETE production and describe recent findings in humans with 20HR/GPR75 mutations. Special emphasis is given to the 20HR and respective receptor blockers that have the potential to pave a path to translational and clinical studies for the treatment of 20-HETE-driven hypertension, and obesity/metabolic syndrome.
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25
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Ge J, Huang Y, Lv M, Zhang C, Talukder M, Li J, Li J. Cadmium induced Fak -mediated anoikis activation in kidney via nuclear receptors (AHR/CAR/PXR)-mediated xenobiotic detoxification pathway. J Inorg Biochem 2021; 227:111682. [PMID: 34902763 DOI: 10.1016/j.jinorgbio.2021.111682] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 10/16/2021] [Accepted: 11/28/2021] [Indexed: 12/13/2022]
Abstract
Cadmium (Cd) is a toxic heavy metal of considerable toxicity, possessing a serious environmental problem that threatening food safety and human health. However, the underlying mechanisms of Cd-induced nephrotoxicity and detoxification response remain largely unclear. Cd was administered at doses of 35, 70, and 140 mg/kg diet with feed for 90 days and produced potential damage to chickens' kidneys. The results showed that Cd exposure induced renal anatomical and histopathological injuries. Cd exposure up-regulated cytochrome P450 enzymes (CYP450s), activated nuclear xenobiotic receptors (NXRs) response, including aryl hydro-carbon receptor (AHR), constitutive androstane receptor (CAR), and pregnane X receptor (PXR) by low and moderate doses of Cd, and induced an increase in CYP isoforms expression. Cd exposure down-regulated phase II detoxification enzymes (glutathione-S-transferase (GST), glutathione peroxidase (GSH-PX) activities, and glutathione (GSH) content), and GST isoforms transcription . Furthermore, ATP-binding cassette (ABC) transporters, multidrug resistance protein (MRP1), and P-glycoprotein (P-GP) levels were elevated by low dose, but high dose inhibited the P-GP expression. Activation of detoxification enzymes lost their ability of resistance as increasing dose of Cd, afterwards brought into severe renal injury. Additionally, Cd suppressed focal adhesion kinase (Fak) and integrins protein expression as well as activated extrinsic pathway and intrinsic pathways, thereby producing anoikis. In conclusion, these results indicated that Cd induced Fak-mediated anoikis activation in the kidney via nuclear receptors (AHR/CAR/PXR)-mediated xenobiotic detoxification pathway.
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Affiliation(s)
- Jing Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72701, United States
| | - Yan Huang
- Department of Animal Science, Division of Agriculture, University of Arkansas, Fayetteville, AR 72701, United States
| | - MeiWei Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - Cong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; College of Veterinary Medicine, Henan Agricultural University, Zhengzhou 450046, PR China
| | - Milton Talukder
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Department of Physiology and Pharmacology, Faculty of Animal Science and Veterinary Medicine, Patuakhali Science and Technology University, Barishal, 8210, Bangladesh
| | - JinYang Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China
| | - JinLong Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin 150030, PR China; Key Laboratory of the Provincial Education Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin 150030, PR China; Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin 150030, PR China.
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Protective Effects of Low-Dose Alcohol against Acute Stress-Induced Renal Injury in Rats: Involvement of CYP4A/20-HETE and LTB 4/BLT1 Pathways. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:4475968. [PMID: 34691354 PMCID: PMC8528604 DOI: 10.1155/2021/4475968] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 09/20/2021] [Accepted: 09/29/2021] [Indexed: 02/01/2023]
Abstract
Low-dose alcohol possesses multiple bioactivities. Accordingly, we investigated the protective effect and related molecular mechanism of low-dose alcohol against acute stress- (AS-) induced renal injury. Herein, exhaustive swimming for 15 min combined with restraint stress for 3 h was performed to establish a rat acute stress model, which was verified by an open field test. Evaluation of renal function (blood creatinine and urea nitrogen), urine test (urine leukocyte esterase and urine occult blood), renal histopathology, oxidative stress, inflammation, and apoptosis was performed. The key indicators of the cytochrome P450 (CYP) 4A1/20-hydroxystilbenetetraenoic acid (20-HETE) pathway, cyclooxygenase (COX)/prostaglandin E2 (PGE2) pathway, and leukotriene B4 (LTB4)/leukotriene B4 receptor 1 (BLT1) pathway were measured by real-time PCR and ELISA. We found that low-dose alcohol (0.05 g/kg, i.p.) ameliorated AS-induced renal dysfunction and histological damage. Low-dose alcohol also attenuated AS-induced oxidative stress and inflammation, presenting as reduced malondialdehyde and hydrogen peroxide formation, increased superoxide dismutase and glutathione activity, and decreased myeloperoxidase, interleukin-6, interleukin-1β, and monocyte chemoattractant protein-1 levels (P < 0.05). Moreover, low-dose alcohol alleviated AS-induced apoptosis by downregulating Bax and cleaved caspase 3 protein expression and reduced numbers of terminal deoxynucleotidyl transferase-mediated dUTP nick-end label-positive cells (P < 0.01). Correlation analysis indicated that 20-HETE was strongly correlated with oxidative stress, while LTB4 was strongly correlated with inflammation. Low-dose alcohol inhibited AS-induced increases in CYP4A1, CYP4A2, CYP4A3, CYP4A8, and BLT1 mRNA levels and LTB4 and 20-HETE content (P < 0.01). Interestingly, low-dose alcohol had no effect on COX1 or COX2 mRNA expression or the concentration of PGE2. Furthermore, low-dose alcohol reduced calcium-independent phospholipase A2 mRNA expression, but did not affect secreted phospholipase A2 or cytosolic phospholipase A2 mRNA expression. Together, these results indicate that low-dose alcohol ameliorated AS-induced renal injury by inhibiting CYP4A/20-HETE and LTB4/BLT1 pathways, but not the COX/PGE2 pathway.
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Ni KD, Liu JY. The Functions of Cytochrome P450 ω-hydroxylases and the Associated Eicosanoids in Inflammation-Related Diseases. Front Pharmacol 2021; 12:716801. [PMID: 34594219 PMCID: PMC8476763 DOI: 10.3389/fphar.2021.716801] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Accepted: 09/01/2021] [Indexed: 12/17/2022] Open
Abstract
The cytochrome P450 (CYP) ω-hydroxylases are a subfamily of CYP enzymes. While CYPs are the main metabolic enzymes that mediate the oxidation reactions of many endogenous and exogenous compounds in the human body, CYP ω-hydroxylases mediate the metabolism of multiple fatty acids and their metabolites via the addition of a hydroxyl group to the ω- or (ω-1)-C atom of the substrates. The substrates of CYP ω-hydroxylases include but not limited to arachidonic acid, docosahexaenoic acid, eicosapentaenoic acid, epoxyeicosatrienoic acids, leukotrienes, and prostaglandins. The CYP ω-hydroxylases-mediated metabolites, such as 20-hyroxyleicosatrienoic acid (20-HETE), 19-HETE, 20-hydroxyl leukotriene B4 (20-OH-LTB4), and many ω-hydroxylated prostaglandins, have pleiotropic effects in inflammation and many inflammation-associated diseases. Here we reviewed the classification, tissue distribution of CYP ω-hydroxylases and the role of their hydroxylated metabolites in inflammation-associated diseases. We described up-regulation of CYP ω-hydroxylases may be a pathogenic mechanism of many inflammation-associated diseases and thus CYP ω-hydroxylases may be a therapeutic target for these diseases. CYP ω-hydroxylases-mediated eicosanods play important roles in inflammation as pro-inflammatory or anti-inflammatory mediators, participating in the process stimulated by cytokines and/or the process stimulating the production of multiple cytokines. However, most previous studies focused on 20-HETE,and further studies are needed for the function and mechanisms of other CYP ω-hydroxylases-mediated eicosanoids. We believe that our studies of CYP ω-hydroxylases and their associated eicosanoids will advance the translational and clinal use of CYP ω-hydroxylases inhibitors and activators in many diseases.
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Affiliation(s)
- Kai-Di Ni
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing, China
| | - Jun-Yan Liu
- Center for Novel Target and Therapeutic Intervention, Institute of Life Sciences, Chongqing Medical University, Chongqing, China
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Genetics Variants in the Epoxygenase Pathway of Arachidonic Metabolism Are Associated with Eicosanoids Levels and the Risk of Diabetic Nephropathy. J Clin Med 2021; 10:jcm10173980. [PMID: 34501433 PMCID: PMC8432556 DOI: 10.3390/jcm10173980] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Revised: 08/30/2021] [Accepted: 08/30/2021] [Indexed: 02/08/2023] Open
Abstract
Genes in the epoxygenase pathway of arachidonic acid metabolism leading to vasoactive eicosanoids, mainly 20-hydroxyeicosatetraenoic (20-HETE) and epoxyeicosatrienoic (EETs) acids, have been related to glucose-induced renal damage in preclinical reports. We genotyped 1088 diabetic kidney disease (DKD) patients and controls for seven polymorphisms in five genes (CYP2C8, CYP2J2, CYP4F2, CYP4A11, and EPHX2) along this metabolic route and evaluated their effect on DKD risk, clinical outcomes, and the plasma/urine levels of eicosanoids measured by LC/MS/MS and immunoenzymatic assays. The CYP4F2 433M variant allele was associated with lower incidence of DKD (OR = 0.65 (0.48-0.90), p = 0.008), whilst the CYP2C8*3/*3 genotype was related to increased risk (OR = 3.21 (1.05-9.87), p = 0.036). Patients carrying the 433M allele also showed lower eGFR [median and interquartile range vs. wildtype carriers: 30.8 (19.8) and 33.0 (23.2) mL/min/1.73 m2, p = 0.037). Finally, the 433VM/MM variant genotypes were associated with lower urinary levels of 20-HETE compared with 433VV (3.14 (0.86) vs. 8.45 (3.69) ng/mg Creatinine, p = 0.024). Our results indicate that the CYP4F2 V433M polymorphism, by decreasing 20-HETE levels, may play an important role in DKD.
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Song Y, Kurose A, Li R, Takeda T, Onomura Y, Koga T, Mutoh J, Ishida T, Tanaka Y, Ishii Y. Ablation of Selenbp1 Alters Lipid Metabolism via the Pparα Pathway in Mouse Kidney. Int J Mol Sci 2021; 22:ijms22105334. [PMID: 34069420 PMCID: PMC8159118 DOI: 10.3390/ijms22105334] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 05/10/2021] [Accepted: 05/15/2021] [Indexed: 12/12/2022] Open
Abstract
Selenium-binding protein 1 (Selenbp1) is a 2,3,7,8-tetrechlorodibenzo-p-dioxin inducible protein whose function is yet to be comprehensively elucidated. As the highly homologous isoform, Selenbp2, is expressed at low levels in the kidney, it is worthwhile comparing wild-type C57BL mice and Selenbp1-deficient mice under dioxin-free conditions. Accordingly, we conducted a mouse metabolomics analysis under non-dioxin-treated conditions. DNA microarray analysis was performed based on observed changes in lipid metabolism-related factors. The results showed fluctuations in the expression of numerous genes. Real-time RT-PCR confirmed the decreased expression levels of the cytochrome P450 4a (Cyp4a) subfamily, known to be involved in fatty acid ω- and ω-1 hydroxylation. Furthermore, peroxisome proliferator-activated receptor-α (Pparα) and retinoid-X-receptor-α (Rxrα), which form a heterodimer with Pparα to promote gene expression, were simultaneously reduced. This indicated that reduced Cyp4a expression was mediated via decreased Pparα and Rxrα. In line with this finding, increased levels of leukotrienes and prostaglandins were detected. Conversely, decreased hydrogen peroxide levels and reduced superoxide dismutase (SOD) activity supported the suppression of the renal expression of Sod1 and Sod2 in Selenbp1-deficient mice. Therefore, we infer that ablation of Selenbp1 elicits oxidative stress caused by increased levels of superoxide anions, which alters lipid metabolism via the Pparα pathway.
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Affiliation(s)
- Yingxia Song
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
| | - Atsushi Kurose
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
| | - Renshi Li
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
| | - Tomoki Takeda
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
| | - Yuko Onomura
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
| | - Takayuki Koga
- Laboratory of Hygienic Chemistry, Daiichi University of Pharmacy, 22-1 Tamagawa-cho, Minami-ku, Fukuoka 815-8511, Japan;
| | - Junpei Mutoh
- Faculty of Pharmaceutical Sciences, Sanyo-Onoda City University, Daigakudori 1-1-1, Sanyo-Onoda 756-0884, Japan;
| | - Takumi Ishida
- School of Pharmacy, International University of Health and Welfare Fukuoka, Ohkawa, Fukuoka 831-8501, Japan;
| | - Yoshitaka Tanaka
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
| | - Yuji Ishii
- Laboratory of Molecular Life Sciences, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan; (Y.S.); (A.K.); (R.L.); (T.T.); (Y.O.)
- Division of Pharmaceutical Cell Biology, Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan;
- Correspondence: ; Tel.: +81-92-642-6586
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Mota-Zamorano S, Robles NR, Lopez-Gomez J, Cancho B, González LM, Garcia-Pino G, Navarro-Pérez ML, Gervasini G. Plasma and urinary concentrations of arachidonic acid-derived eicosanoids are associated with diabetic kidney disease. EXCLI JOURNAL 2021; 20:698-708. [PMID: 34040498 PMCID: PMC8144539 DOI: 10.17179/excli2021-3408] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 03/11/2021] [Indexed: 12/15/2022]
Abstract
Preclinical studies indicate that arachidonic acid (AA)-derived eicosanoids contribute to hyperglycemia-induced kidney injury. We aimed to determine whether plasma and/or urinary levels of dihydroxyeicosatrienoic (DHETs) and 20-hydroxyeicosatetraenoic (20-HETE) acids are associated with diabetic kidney disease (DKD). A total of 334 subjects (132 DKD patients and 202 non-diabetic individuals) were studied. Plasma levels of 11,12-DHET, 14,15-DHET and 20-HETE were measured by LC/MS/MS. Urinary 20-HETE concentrations were determined by immunoenzymatic assay. Subjects with normoalbuminuria had larger 20-HETE-to-creatinine urinary ratios (20-HETE/Cr) than those with micro and macroalbuminuria (p=0.012). Likewise, participants with eGFR>60 ml/min/1.73 m2 had higher plasma levels of 14,15-DHET (p=0.039) and 20-HETE/Cr ratios (p=0.007). Concentrations of 14,15-DHET, 11,12-DHET and 20-HETE/Cr were significantly lower in DKD patients. Median values for non-diabetic vs. DKD were, respectively, 493 (351.0-691.5) vs. 358 (260.5-522) ng/L, p=3e-5; 262 (183.5-356.0) vs. 202 (141.5-278.0) ng/L, p=1e-4 and 5.26 (1.68-11.65) vs. 2.53 (1.01-6.28) ng/mgCr, p=0.010. In addition, 20-HETE/Cr ratios were higher in patients with non-proteinuric DKD than in those with typical DKD (p=0.020). When only individuals with impaired filtration were considered, 14,15-DHET and 11,12-DHET levels were still higher in non-diabetic subjects (p=0.002 and p=0.006, respectively). Our results indicate that AA-derived eicosanoids may play a relevant role in DKD.
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Affiliation(s)
- Sonia Mota-Zamorano
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
| | - Nicolás R Robles
- Service of Nephrology, Badajoz University Hospital, Badajoz, Spain
| | - Juan Lopez-Gomez
- Service of Clinical Analyses, Badajoz University Hospital, Badajoz, Spain
| | - Bárbara Cancho
- Service of Nephrology, Badajoz University Hospital, Badajoz, Spain
| | - Luz M González
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
| | | | | | - Guillermo Gervasini
- Department of Medical and Surgical Therapeutics, Division of Pharmacology, Medical School, University of Extremadura, Badajoz, Spain
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Human Family 1-4 cytochrome P450 enzymes involved in the metabolic activation of xenobiotic and physiological chemicals: an update. Arch Toxicol 2021; 95:395-472. [PMID: 33459808 DOI: 10.1007/s00204-020-02971-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 12/29/2020] [Indexed: 12/17/2022]
Abstract
This is an overview of the metabolic activation of drugs, natural products, physiological compounds, and general chemicals by the catalytic activity of cytochrome P450 enzymes belonging to Families 1-4. The data were collected from > 5152 references. The total number of data entries of reactions catalyzed by P450s Families 1-4 was 7696 of which 1121 (~ 15%) were defined as bioactivation reactions of different degrees. The data were divided into groups of General Chemicals, Drugs, Natural Products, and Physiological Compounds, presented in tabular form. The metabolism and bioactivation of selected examples of each group are discussed. In most of the cases, the metabolites are directly toxic chemicals reacting with cell macromolecules, but in some cases the metabolites formed are not direct toxicants but participate as substrates in succeeding metabolic reactions (e.g., conjugation reactions), the products of which are final toxicants. We identified a high level of activation for three groups of compounds (General Chemicals, Drugs, and Natural Products) yielding activated metabolites and the generally low participation of Physiological Compounds in bioactivation reactions. In the group of General Chemicals, P450 enzymes 1A1, 1A2, and 1B1 dominate in the formation of activated metabolites. Drugs are mostly activated by the enzyme P450 3A4, and Natural Products by P450s 1A2, 2E1, and 3A4. Physiological Compounds showed no clearly dominant enzyme, but the highest numbers of activations are attributed to P450 1A, 1B1, and 3A enzymes. The results thus show, perhaps not surprisingly, that Physiological Compounds are infrequent substrates in bioactivation reactions catalyzed by P450 enzyme Families 1-4, with the exception of estrogens and arachidonic acid. The results thus provide information on the enzymes that activate specific groups of chemicals to toxic metabolites.
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32
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Watanabe H, Yamaori S, Kamijo S, Aikawa K, Ohmori S. In Vitro Inhibitory Effects of Sesamin on CYP4F2 Activity. Biol Pharm Bull 2020; 43:688-692. [PMID: 32238710 DOI: 10.1248/bpb.b19-00953] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Sesamin is a major lignan in sesame seeds, and a recent meta-analysis of controlled trials indicated that sesamin intake decreases blood pressure. The antihypertensive effect of sesamin has been suggested to be due to sesamin-mediated suppression of 20-hydroxyeicosatetraenoic acid production catalyzed by CYP4F2. However, the detailed mechanism underlying inhibition of CYP4F2 function by sesamin remains unclear. In this study, the effects of sesamin on catalytic activity of CYP4F2 were investigated in vitro. Sesamin inhibited luciferin-4F2/3 O-dealkylase activity of recombinant human CYP4F2 with an IC50 value of 0.381 µM. When preincubated in the presence of reduced nicotinamide adenine dinucleotide phosphate (NADPH) for 20 min, sesamin potentiated the inhibition of CYP4F2 activity. Moreover, kinetic analysis of the inactivation revealed that sesamin showed a preincubation time- and concentration-dependent inhibition of CYP4F2 activity yielding a maximal inactivation rate constant (kinact) value of 0.354 min-1 and half-maximal inhibitory concentration (KI) value of 1.12 µM. The inactivation of CYP4F2 by sesamin required NADPH. These results indicated that sesamin is a mechanism-based inactivator of human CYP4F2.
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Affiliation(s)
- Hiroaki Watanabe
- Department of Pharmacy, Shinshu University Hospital.,Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University
| | - Satoshi Yamaori
- Department of Pharmacy, Shinshu University Hospital.,Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University
| | - Shinobu Kamijo
- Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University
| | - Kaori Aikawa
- Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University
| | - Shigeru Ohmori
- Department of Pharmacy, Shinshu University Hospital.,Department of Biochemical Pharmacology and Toxicology, Graduate School of Medicine, Shinshu University
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33
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Traber MG, Leonard SW, Ebenuwa I, Violet PC, Niyyati M, Padayatty S, Smith S, Bobe G, Levine M. Vitamin E catabolism in women, as modulated by food and by fat, studied using 2 deuterium-labeled α-tocopherols in a 3-phase, nonrandomized crossover study. Am J Clin Nutr 2020; 113:92-103. [PMID: 33184629 PMCID: PMC7779232 DOI: 10.1093/ajcn/nqaa298] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/28/2020] [Indexed: 12/17/2022] Open
Abstract
BACKGROUND Human vitamin E (α-tocopherol) catabolism is a mechanism for regulating whole-body α-tocopherol. OBJECTIVES To determine the roles of the intestine and liver on α-tocopherol catabolism as affected by fat or fasting, 2 deuterium-labeled (intravenous d6- and oral d3-) forms of α-tocopherol were used. METHODS Healthy women received intravenous d6-α-tocopherol and consumed d3-α-tocopherol with a 600-kcal defined liquid meal (DLM; 40% or 0% fat, n = 10) followed by controlled meals; or the 0% fat DLM (n = 7) followed by a 12-h fast (0% fat-fast), then controlled meals ≤72 h. The order of the 3-phase crossover design was not randomized and there was no blinding. Samples were analyzed by LC/MS to determine the α-tocopherol catabolites and α-carboxyethyl hydroxychromanol (α-CEHC) in urine, feces, and plasma that were catabolized from administered oral d3- and intravenous d6-α-tocopherols. RESULTS Urinary and plasma d3- and d6-α-CEHC concentrations varied differently with the interventions. Mean ± SEM cumulative urinary d6-α-CEHC derived from the intravenous dose excreted over 72 h during the 40% fat (2.50 ± 0.37 μmol/g creatinine) and 0% fat (2.37 ± 0.37 μmol/g creatinine) interventions were similar, but a ∼50% decrease was observed during the 0% fat-fast (1.05 ± 0.39 μmol/g creatinine) intervention (compared with 0% fat, P = 0.0005). Cumulative urinary d3-α-CEHC excretion was not significantly changed by any intervention. Total urinary and fecal excretion of catabolites accounted for <5% of each of the administered doses. CONCLUSIONS Differential catabolism of the intravenous d6-α-tocopherol and oral d3-α-tocopherol doses shows both liver and intestine have roles in α-tocopherol catabolism. During the 40% fat intervention, >90% of urinary d3-α-CEHC excretion was estimated to be liver-derived, whereas during fasting <50% was from the liver with the remainder from the intestine, suggesting that there was increased intestinal α-tocopherol catabolism while d3-α-tocopherol was retained in the intestine in the absence of adequate fat/food for α-tocopherol absorption.This trial was registered at clinicaltrials.gov as NCT00862433.
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Affiliation(s)
| | - Scott W Leonard
- Linus Pauling Institute, Oregon State University, Corvallis, OR, USA
| | - Ifechukwude Ebenuwa
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Pierre-Christian Violet
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Mahtab Niyyati
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Sebastian Padayatty
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Sheila Smith
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
| | - Gerd Bobe
- Linus Pauling Institute, Oregon State University, Corvallis, OR, USA
| | - Mark Levine
- Molecular and Clinical Nutrition Section, Intramural Research Program, National Institute of Diabetes and Digestive and Kidney Diseases, NIH, Bethesda, MD, USA
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The Antihypertensive Effect of Quercetin in Young Spontaneously Hypertensive Rats; Role of Arachidonic Acid Metabolism. Int J Mol Sci 2020; 21:ijms21186554. [PMID: 32911626 PMCID: PMC7555394 DOI: 10.3390/ijms21186554] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 02/06/2023] Open
Abstract
Hypertension affects almost 50% of the adult American population. Metabolites of arachidonic acid (AA) in the kidney play an important role in blood pressure regulation. The present study investigates the blood pressure-lowering potential of quercetin (QR), a naturally occurring polyphenol, and examines its correlation to the modulation of AA metabolism. Spontaneously hypertensive rats (SHR) were randomly divided into four groups. Treatment groups were administered QR in drinking water at concentrations of 10, 30, and 60 mg/L. Blood pressure was monitored at seven-day intervals. After a total of seven weeks of treatment, rats were killed and kidney tissues were collected to examine the activity of the two major enzymes involved in AA metabolism in the kidney, namely cytochrome P450 (CYP)4A and soluble epoxide hydrolase (sEH). Medium- and high-dose QR resisted the rise in blood pressure observed in the untreated SHR and significantly inhibited the activity of the CYP4A enzyme in renal cortical microsomes. The activity of the sEH enzyme in renal cortical cytosols was significantly inhibited only by the high QR dose. Our data not only demonstrate the antihypertensive effect of QR, but also provide a novel mechanism for its underlying cardioprotective properties.
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35
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Li X, Jin F, Lee HJ, Lee CJ. Recent Advances in the Development of Novel Drug Candidates for Regulating the Secretion of Pulmonary Mucus. Biomol Ther (Seoul) 2020; 28:293-301. [PMID: 32133827 PMCID: PMC7327140 DOI: 10.4062/biomolther.2020.002] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 01/30/2020] [Accepted: 02/17/2020] [Indexed: 12/14/2022] Open
Abstract
Hypersecretion of pulmonary mucus is a major pathophysiological feature in allergic and inflammatory respiratory diseases including asthma and chronic obstructive pulmonary disease (COPD). Overproduction and/or oversecretion of mucus cause the airway obstruction and the colonization of pathogenic microbes. Developing a novel pharmacological agent to regulate the production and/or secretion of pulmonary mucus can be a useful strategy for the effective management of pathologic hypersecretion of mucus observed in COPD and asthma. Thus, in the present review, we tried to give an overview of the conventional pharmacotherapy for mucus-hypersecretory diseases and recent research results on searching for the novel candidate agents for controlling of pulmonary mucus hypersecretion, aiming to shed light on the potential efficacious pharmacotherapy of mucus-hypersecretory diseases.
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Affiliation(s)
- Xin Li
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Fengri Jin
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
| | - Hyun Jae Lee
- Smith Liberal Arts College and Department of Addiction Science, Graduate School, Sahmyook University, Seoul 01795, Republic of Korea
| | - Choong Jae Lee
- Department of Pharmacology, School of Medicine, Chungnam National University, Daejeon 35015, Republic of Korea
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36
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Evangelista EA, Cho CW, Aliwarga T, Totah RA. Expression and Function of Eicosanoid-Producing Cytochrome P450 Enzymes in Solid Tumors. Front Pharmacol 2020; 11:828. [PMID: 32581794 PMCID: PMC7295938 DOI: 10.3389/fphar.2020.00828] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Accepted: 05/20/2020] [Indexed: 12/14/2022] Open
Abstract
Oxylipins derived from the oxidation of polyunsaturated fatty acids (PUFAs) act as important paracrine and autocrine signaling molecules. A subclass of oxylipins, the eicosanoids, have a broad range of physiological outcomes in inflammation, the immune response, cardiovascular homeostasis, and cell growth regulation. Consequently, eicosanoids are implicated in the pathophysiology of various diseases, most notably cancer, where eicosanoid mediated signaling is involved in tumor development, progression, and angiogenesis. Cytochrome P450s (CYPs) are a superfamily of heme monooxygenases generally involved in the clearance of xenobiotics while a subset of isozymes oxidize PUFAs to eicosanoids. Several eicosanoid forming CYPs are overexpressed in tumors, elevating eicosanoid levels and suggesting a key function in tumorigenesis and progression of tumors in the lung, breast, prostate, and kidney. This review summarizes the current understanding of CYPs' involvement in solid tumor etiology and progression providing supporting public data for gene expression from The Cancer Genome Atlas.
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Affiliation(s)
- Eric A Evangelista
- Department of Pharmacy, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - Christi W Cho
- Department of Medicinal Chemistry, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - Theresa Aliwarga
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - Rheem A Totah
- Department of Medicinal Chemistry, School of Pharmacy, University of Washington, Seattle, WA, United States
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37
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Sun Y, Chen P, Zhai B, Zhang M, Xiang Y, Fang J, Xu S, Gao Y, Chen X, Sui X, Li G. The emerging role of ferroptosis in inflammation. Biomed Pharmacother 2020; 127:110108. [PMID: 32234642 DOI: 10.1016/j.biopha.2020.110108] [Citation(s) in RCA: 383] [Impact Index Per Article: 95.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 03/12/2020] [Accepted: 03/17/2020] [Indexed: 01/12/2023] Open
Abstract
Ferroptosis is a newly discovered type of cell death triggered by intracellular phospholipid peroxidation that is morphologically, biologically and genetically distinct from other types of cell death. Ferroptosis is classified as regulated necrosis and is more immunogenic than apoptosis. To date, compelling evidence indicates that ferroptosis plays an important role in inflammation, and several antioxidants functioning as ferroptosis inhibitors have been shown to exert anti-inflammatory effects in experimental models of certain diseases. Our review provides an overview of the link between ferroptosis and inflammation; a better understanding of the mechanisms underlying ferroptosis and inflammation may hasten the development of promising therapeutic strategies involving ferroptosis inhibitors to address inflammation.
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Affiliation(s)
- Yitian Sun
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China
| | - Peng Chen
- Holistic Integrative Pharmacy Institutes and Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, College of Medicine, Hangzhou Normal University, Hangzhou 311121, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China
| | - Bingtao Zhai
- Holistic Integrative Pharmacy Institutes and Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, College of Medicine, Hangzhou Normal University, Hangzhou 311121, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China
| | - Mingming Zhang
- Holistic Integrative Pharmacy Institutes and Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, College of Medicine, Hangzhou Normal University, Hangzhou 311121, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China
| | - Yu Xiang
- Holistic Integrative Pharmacy Institutes and Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, College of Medicine, Hangzhou Normal University, Hangzhou 311121, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China
| | - Jiaheng Fang
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China
| | - Sinan Xu
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China
| | - Yufei Gao
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China
| | - Xin Chen
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China
| | - Xinbing Sui
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China; Holistic Integrative Pharmacy Institutes and Department of Medical Oncology, the Affiliated Hospital of Hangzhou Normal University, College of Medicine, Hangzhou Normal University, Hangzhou 311121, Zhejiang, China; Key Laboratory of Elemene Class Anti-cancer Chinese Medicine of Zhejiang Province and Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou Normal University, Hangzhou 310018, Zhejiang, China; Engineering Laboratory of Development and Application of Traditional Chinese Medicine from Zhejiang Province, Hangzhou 310018, Zhejiang, China.
| | - Guoxiong Li
- The Affiliated Hospital of Hangzhou Normal University, Hangzhou Normal University, Hangzhou 310015, Zhejiang, China.
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38
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Leipziger J, Praetorius H. Renal Autocrine and Paracrine Signaling: A Story of Self-protection. Physiol Rev 2020; 100:1229-1289. [PMID: 31999508 DOI: 10.1152/physrev.00014.2019] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Autocrine and paracrine signaling in the kidney adds an extra level of diversity and complexity to renal physiology. The extensive scientific production on the topic precludes easy understanding of the fundamental purpose of the vast number of molecules and systems that influence the renal function. This systematic review provides the broader pen strokes for a collected image of renal paracrine signaling. First, we recapitulate the essence of each paracrine system one by one. Thereafter the single components are merged into an overarching physiological concept. The presented survey shows that despite the diversity in the web of paracrine factors, the collected effect on renal function may not be complicated after all. In essence, paracrine activation provides an intelligent system that perceives minor perturbations and reacts with a coordinated and integrated tissue response that relieves the work load from the renal epithelia and favors diuresis and natriuresis. We suggest that the overall function of paracrine signaling is reno-protection and argue that renal paracrine signaling and self-regulation are two sides of the same coin. Thus local paracrine signaling is an intrinsic function of the kidney, and the overall renal effect of changes in blood pressure, volume load, and systemic hormones will always be tinted by its paracrine status.
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Affiliation(s)
- Jens Leipziger
- Department of Biomedicine, Aarhus University, Aarhus, Denmark; and Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
| | - Helle Praetorius
- Department of Biomedicine, Aarhus University, Aarhus, Denmark; and Aarhus Institute of Advanced Studies (AIAS), Aarhus University, Aarhus, Denmark
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39
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Uehara S, Uno Y, Yamazaki H. The marmoset cytochrome P450 superfamily: Sequence/phylogenetic analyses, genomic structure, and catalytic function. Biochem Pharmacol 2019; 171:113721. [PMID: 31751534 DOI: 10.1016/j.bcp.2019.113721] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Accepted: 11/14/2019] [Indexed: 12/23/2022]
Abstract
The common marmoset (Callithrix jacchus) is a New World monkey that has attracted much attention as a potentially useful primate model for preclinical testing. A total of 36 marmoset cytochrome P450 (P450) isoforms in the P450 1-51 subfamilies have been identified and characterized by the application of genome analysis and molecular functional characterization. In this mini-review, we provide an overview of the genomic structures, sequence identities, and substrate selectivities of marmoset P450s compared with those of human P450s. Based on the sequence identity, phylogeny, and genomic organization of marmoset P450s, orthologous relationships were established between human and marmoset P450s. Twenty-four members of the marmoset P450 1A, 2A, 2B, 2C, 2D, 2E, 3A, 4A, and 4F subfamilies shared high degrees of homology in terms of cDNA (>89%) and amino acid sequences (>85%) with the corresponding human P450s; P450 2C76 was among the exceptions. Phylogenetic analysis using amino acid sequences revealed that marmoset P450s in the P450 1-51 families were located in the same clades as their human and macaque P450 homologs. This finding underlines the evolutionary closeness of marmoset P450s to their human and macaque homologs. Most marmoset P450 1-4 enzymes catalyzed the typical drug-metabolizing reactions of the corresponding human P450 homologs, except for some differences of P450 2A6 and 2B6. Consequently, it appears that the substrate specificities of enzymes in the P450 1-4 families are generally similar in marmosets and humans. The information presented here supports a better understanding of the functional characteristics of marmoset P450s and their similarities and differences with human P450s. It is hoped that this mini-review will facilitate the successful use of marmosets as primate models in drug metabolism and pharmacokinetic studies.
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Affiliation(s)
- Shotaro Uehara
- Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan
| | - Yasuhiro Uno
- Joint Faculty of Veterinary Medicine, Kagoshima University, Kagoshima-city, Kagoshima 890-8580, Japan
| | - Hiroshi Yamazaki
- Showa Pharmaceutical University, Machida, Tokyo 194-8543, Japan.
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40
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Gecys D, Tatarunas V, Veikutiene A, Lesauskaite V. New potential modulators of CYP4F2 enzyme activity in angina pectoris: hsa-miR-24-3p and hsa-miR-34a-5p. Biomarkers 2019; 25:40-47. [PMID: 31694408 DOI: 10.1080/1354750x.2019.1690580] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Purpose: To find an association of relative expression of hsa-miR-24-3p and hsa-miR-34a-5p molecules and CYP4F2 enzyme activity in blood plasma of stable angina pectoris (AP) patients'.Materials and Methods: MiRNA gene expression analysis was performed on total RNA extracted from blood plasma, using quantitative real-time polymerase chain reaction. CYP4F2 enzyme levels were determined using commercial ELISA kit. In total, 32 AP and 15 control samples were examined.Results: The relative expression of hsa-miR-24-3p and hsa-miR-34a-5p was upregulated by 4.4 (p = 0.0001) and 3.8 (p = 0.005) -fold in AP patient's blood plasma compared to control subjects. CYP4F2 enzyme level in blood plasma were 2.1 (p = 0.001) times lower in AP patients. Circulating hsa-miR-24-3p was negatively associated with CYP4F2 enzyme level (Spearman correlation coefficient rank r= -0.32; p = 0.03). Moreover, patients that were taking atorvastatin, had 1.5 (p = 0.04) times higher hsa-miR-24-3p expression in blood plasma.Conclusions. Our data suggest that hsa-miR-24-3p might have an effect on CYP4F2 activity during atherosclerosis.
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Affiliation(s)
- Dovydas Gecys
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vacis Tatarunas
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Audrone Veikutiene
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
| | - Vaiva Lesauskaite
- Institute of Cardiology, Lithuanian University of Health Sciences, Kaunas, Lithuania
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41
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Kuhn MJ, Putman AK, Sordillo LM. Widespread basal cytochrome P450 expression in extrahepatic bovine tissues and isolated cells. J Dairy Sci 2019; 103:625-637. [PMID: 31677841 DOI: 10.3168/jds.2019-17071] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 09/13/2019] [Indexed: 01/08/2023]
Abstract
Periparturient cattle face increased risk of both metabolic and infectious diseases. Factors contributing to this predisposition include oxidized polyunsaturated fatty acids, also known as oxylipids, whose production is altered during the periparturient period and in diseased cattle. Alterations in the production of oxylipids derived from cytochrome P450 (CYP450) enzymes are over-represented during times of increased disease risk and clinical disease, such as mastitis. Many of these same CYP450 enzymes additionally regulate metabolism of fat-soluble vitamins, such as A, D, and E. These vitamins are essential to maintaining immune health, yet circulating concentrations are diminished near calving. Despite this, a relatively small amount of research has focused on the roles of CYP450 enzymes outside of the liver. The aim of this paper is to describe the relative gene expression of 11 CYP450 in bovine tissues and common in vitro bovine cell models. Eight tissue samples were collected from 3 healthy dairy cows after euthanasia. In vitro samples included primary bovine aortic and mammary endothelial cells and immortalized bovine kidney and mammary epithelial cells. Quantitative real-time-PCR was carried out to assess basal transcript expression of CYP450 enzymes. Surprisingly, CYP450 mRNA was widely expressed in all tissue samples, with predominance in the liver. In vitro CYP450 expression was less robust, with several cell types lacking expression of specific CYP450 enzymes altogether. Overall, cell culture models did not reflect expression of tissue CYP450. However, when CYP450 were organized by activity, certain cell types consistently expressed specific functional groups. These data reveal the widespread expression of CYP450 in individual organs of healthy dairy cows. Widespread expression helps to explain previous evidence of significant changes in CYP450-mediated oxylipid production and fat-soluble vitamin metabolism in organ microenvironments during periods of oxidative stress or disease. As such, these data provide a foundation for targeted functional experiments aimed at understanding the activities of specific CYP450 and associated therapeutic potential during times of increased disease risk.
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Affiliation(s)
- M J Kuhn
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing 48824
| | - A K Putman
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing 48824
| | - L M Sordillo
- Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing 48824.
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42
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Molecular Functionality of Cytochrome P450 4 (CYP4) Genetic Polymorphisms and Their Clinical Implications. Int J Mol Sci 2019; 20:ijms20174274. [PMID: 31480463 PMCID: PMC6747359 DOI: 10.3390/ijms20174274] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 01/03/2023] Open
Abstract
Enzymes in the cytochrome P450 4 (CYP4) family are involved in the metabolism of fatty acids, xenobiotics, therapeutic drugs, and signaling molecules, including eicosanoids, leukotrienes, and prostanoids. As CYP4 enzymes play a role in the maintenance of fatty acids and fatty-acid-derived bioactive molecules within a normal range, they have been implicated in various biological functions, including inflammation, skin barrier, eye function, cardiovascular health, and cancer. Numerous studies have indicated that genetic variants of CYP4 genes cause inter-individual variations in metabolism and disease susceptibility. Genetic variants of CYP4A11, 4F2 genes are associated with cardiovascular diseases. Mutations of CYP4B1, CYP4Z1, and other CYP4 genes that generate 20-HETE are a potential risk for cancer. CYP4V2 gene variants are associated with ocular disease, while those of CYP4F22 are linked to skin disease and CYP4F3B is associated with the inflammatory response. The present study comprehensively collected research to provide an updated view of the molecular functionality of CYP4 genes and their associations with human diseases. Functional analysis of CYP4 genes with clinical implications is necessary to understand inter-individual variations in disease susceptibility and for the development of alternative treatment strategies.
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43
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Zhou C, Shen D, Li C, Cai W, Liu S, Yin H, Shi S, Cao M, Zhang S. Comparative Transcriptomic and Proteomic Analyses Identify Key Genes Associated With Milk Fat Traits in Chinese Holstein Cows. Front Genet 2019; 10:672. [PMID: 31456815 PMCID: PMC6700372 DOI: 10.3389/fgene.2019.00672] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Accepted: 06/27/2019] [Indexed: 12/12/2022] Open
Abstract
Milk fat is the most important energy substance in milk and contributes to its quality and health benefits. However, the genetic mechanisms underlying milk fat synthesis are not fully understood. The development of RNA sequencing and tandem mass tag technologies has facilitated the identification of eukaryotic genes associated with complex traits. In this study, we used these methods to obtain liver transcriptomic and proteomic profiles of Chinese Holstein cows (n = 6). Comparative analyses of cows with extremely high vs. low milk fat percentage phenotypes yielded 321 differentially expressed genes (DEGs) and 76 differentially expressed proteins (DEPs). Functional annotation of these DEGs and DEPs revealed 26 genes that were predicted to influence lipid metabolism through insulin, phosphatidylinositol 3-kinase/Akt, mitogen-activated protein kinase, 5′ AMP-activated protein kinase, mammalian target of rapamycin, and peroxisome proliferator-activated receptor signaling pathways; these genes are considered as the most promising candidate regulators of milk fat synthesis. The findings of this study enhance the understanding of the genetic basis and molecular mechanisms of milk fat synthesis, which could lead to the development of cow breeds that produce milk with higher nutritional value.
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Affiliation(s)
- Chenghao Zhou
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Dan Shen
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Cong Li
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Wentao Cai
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shuli Liu
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Hongwei Yin
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shaolei Shi
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Mingyue Cao
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
| | - Shengli Zhang
- Key Laboratory of Animal Genetics, Breeding and Reproduction, Ministry of Agriculture & National Engineering Laboratory for Animal Breeding, College of Animal Science and Technology, China Agricultural University, Beijing, China
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44
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Ma YF, Han XM, Huang CP, Zhong L, Adeola AC, Irwin DM, Xie HB, Zhang YP. Population Genomics Analysis Revealed Origin and High-altitude Adaptation of Tibetan Pigs. Sci Rep 2019; 9:11463. [PMID: 31391504 PMCID: PMC6685962 DOI: 10.1038/s41598-019-47711-6] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Accepted: 06/05/2019] [Indexed: 12/03/2022] Open
Abstract
Tibetan pig is native to the Qinghai-Tibet Plateau and has adapted to the high-altitude environmental condition such as hypoxia. However, its origin and genetic mechanisms underlying high-altitude adaptation still remain controversial and enigmatic. Herein, we analyze 229 genomes of wild and domestic pigs from Eurasia, including 63 Tibetan pigs, and detect 49.6 million high-quality variants. Phylogenomic and structure analyses show that Tibetan pigs have a close relationship with low-land domestic pigs in China, implying a common domestication origin. Positively selected genes in Tibetan pigs involved in high-altitude physiology, such as hypoxia, cardiovascular systems, UV damage, DNA repair. Three of loci with strong signals of selection are associated with EPAS1, CYP4F2, and THSD7A genes, related to hypoxia and circulation. We validated four non-coding mutations nearby EPAS1 and CYP4F2 showing reduced transcriptional activity in Tibetan pigs. A high-frequency missense mutation is found in THSD7A (Lys561Arg) in Tibetan pigs. The selective sweeps in Tibetan pigs was found in association with selection against non-coding variants, indicating an important role of regulatory mutations in Tibetan pig evolution. This study is important in understanding the evolution of Tibetan pigs and advancing our knowledge on animal adaptation to high-altitude environments.
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Affiliation(s)
- Yun-Fei Ma
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xu-Man Han
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - Cui-Ping Huang
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.,Kunming College of Life Science, University of Chinese Academy of Sciences, Kunming, 650204, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li Zhong
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.,Laboratory for Conservation and Utilization of Bio-resource, and Key Laboratory for Animal Genetic Diversity and Evolution of High Education in Yunnan Province, Yunnan University, Kunming, 650091, China
| | - Adeniyi C Adeola
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China
| | - David M Irwin
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.,Department of Laboratory Medicine and Pathobiology, University of Toronto, Ontario, M5S 1A8, Canada
| | - Hai-Bing Xie
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China.
| | - Ya-Ping Zhang
- State Key Laboratory of Genetic Resources and Evolution, and Yunnan Laboratory of Molecular Biology of Domestic Animals, Kunming Institute of Zoology, Chinese Academy of Sciences, Kunming, 650223, China. .,Laboratory for Conservation and Utilization of Bio-resource, and Key Laboratory for Animal Genetic Diversity and Evolution of High Education in Yunnan Province, Yunnan University, Kunming, 650091, China.
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45
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Arachidonic Acid Metabolism and Kidney Inflammation. Int J Mol Sci 2019; 20:ijms20153683. [PMID: 31357612 PMCID: PMC6695795 DOI: 10.3390/ijms20153683] [Citation(s) in RCA: 178] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 07/19/2019] [Accepted: 07/20/2019] [Indexed: 12/17/2022] Open
Abstract
As a major component of cell membrane lipids, Arachidonic acid (AA), being a major component of the cell membrane lipid content, is mainly metabolized by three kinds of enzymes: cyclooxygenase (COX), lipoxygenase (LOX), and cytochrome P450 (CYP450) enzymes. Based on these three metabolic pathways, AA could be converted into various metabolites that trigger different inflammatory responses. In the kidney, prostaglandins (PG), thromboxane (Tx), leukotrienes (LTs) and hydroxyeicosatetraenoic acids (HETEs) are the major metabolites generated from AA. An increased level of prostaglandins (PGs), TxA2 and leukotriene B4 (LTB4) results in inflammatory damage to the kidney. Moreover, the LTB4-leukotriene B4 receptor 1 (BLT1) axis participates in the acute kidney injury via mediating the recruitment of renal neutrophils. In addition, AA can regulate renal ion transport through 19-hydroxystilbenetetraenoic acid (19-HETE) and 20-HETE, both of which are produced by cytochrome P450 monooxygenase. Epoxyeicosatrienoic acids (EETs) generated by the CYP450 enzyme also plays a paramount role in the kidney damage during the inflammation process. For example, 14 and 15-EET mitigated ischemia/reperfusion-caused renal tubular epithelial cell damage. Many drug candidates that target the AA metabolism pathways are being developed to treat kidney inflammation. These observations support an extraordinary interest in a wide range of studies on drug interventions aiming to control AA metabolism and kidney inflammation.
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46
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Chen L, Tang S, Zhang FF, Garcia V, Falck JR, Schwartzman ML, Arbab AS, Guo AM. CYP4A/20-HETE regulates ischemia-induced neovascularization via its actions on endothelial progenitor and preexisting endothelial cells. Am J Physiol Heart Circ Physiol 2019; 316:H1468-H1479. [PMID: 30951365 PMCID: PMC6620690 DOI: 10.1152/ajpheart.00690.2018] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 03/29/2019] [Accepted: 03/29/2019] [Indexed: 11/22/2022]
Abstract
20-Hydroxyeicosatetraenoic acid (20-HETE) was recently identified as a novel contributor of ischemia-induced neovascularization based on the key observation that pharmacological interferences of CYP4A/20-HETE decrease ischemic neovascularization. The objective of the present study is to examine whether the underlying cellular mechanisms involve endothelial progenitor cells (EPCs) and preexisting endothelial cells (ECs). We found that ischemia leads to a time-dependent increase of cyp4a12 expression and 20-HETE production, which are endothelial in origin, using immunofluorescent microscopy, Western blot analysis, and LC-MS/MS. This is accompanied by increases in the tissue stromal cell-derived factor-1α (SDF-1α) expressions as well as SDF-1α plasma levels, EPC mobilization from bone marrow, and subsequent homing to ischemic tissues. Pharmacological interferences of CYP4A/20-HETE with a 20-HETE synthesis inhibitor, dibromo-dodecenyl-methylsulfimide (DDMS), or a 20-HETE antagonist, N-(20-hydroxyeicosa-6(Z), 15(Z)-dienoyl) glycine (6, 15-20-HEDGE), significantly attenuated these increases. Importantly, we also determined that 20-HETE plays a novel role in maintaining EPC functions and increasing the expression of Oct4, Sox2, and Nanog, which are indicative of increased progenitor cell stemness. Flow cytometric analysis revealed that pharmacological interferences of CYP4A/20-HETE decrease the EPC population in culture, whereas 20-HETE increases the cultured EPC population. Furthermore, ischemia also markedly increased the proliferation, oxidative stress, and ICAM-1 expression in the preexisting EC in the hindlimb gracilis muscles. We found that these increases were markedly negated by DDMS and 6, 15-20-HEDGE. Taken together, CYP4A/20-HETE regulates ischemia-induced compensatory neovascularization via its combined actions on promoting EPC and local preexisting EC responses that are associated with increased neovascularization. NEW & NOTEWORTHY CYP4A/20-hydroxyeicosatetraenoic acid (20-HETE) was recently discovered as a novel contributor of ischemia-induced neovascularization. However, the underlying molecular and cellular mechanisms are completely unknown. Here, we show that CYP4A/20-HETE regulates the ischemic neovascularization process via its combined actions on both endothelial progenitor cells (EPCs) and preexisting endothelial cells. Moreover, this is the first study, to the best of our knowledge, that associates CYP4A/20-HETE with EPC differentiation and stemness.
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Affiliation(s)
- Li Chen
- State Key Laboratory of Oncology, Collaborative Innovation Center for Cancer Medicine, Sun Yat-Sen University Cancer Center , Guangzhou , People's Republic of China
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Samantha Tang
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Frank F Zhang
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - Victor Garcia
- Department of Pharmacology, New York Medical College, Valhalla, New York
| | - John R Falck
- University of Texas Southwestern Medical Center , Dallas, Texas
| | | | - Ali S Arbab
- Cancer Center, Augusta University , Augusta, Georgia
| | - Austin M Guo
- Department of Pharmacology, New York Medical College, Valhalla, New York
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47
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Geng H, Li B, Wang Y, Wang L. Association Between the CYP4F2 Gene rs1558139 and rs2108622 Polymorphisms and Hypertension: A Meta-Analysis. Genet Test Mol Biomarkers 2019; 23:342-347. [PMID: 30932691 DOI: 10.1089/gtmb.2018.0202] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Objective: To investigate the association between the CYP4F2 gene rs1558139 and rs2108622 polymorphisms and hypertension. Materials and Methods: In this meta-analysis, we searched databases for case-control studies published before May 2018 examining the associations between two polymorphic sites of the CYP4F2 gene (rs1558139 and rs2108622) and hypertension. The fixed or random effects model chosen was selected according to the heterogeneity of the studies to calculate the pooled odds ratios (OR) and corresponding 95% confidence intervals (95% CI). Results: Six articles in total were analyzed in this study; three investigated the rs1558139 polymorphism and six investigated the rs2108622 polymorphism. The pooled OR and 95% CI using the dominant model for rs1558139, and both the homozygous model and the recessive model of rs2108622 were statistically significant giving values of 0.83 (0.71-0.96), 0.83 (0.71-0.98), and 1.24 (1.07-1.44), respectively. The pooled OR and 95% CI of the rs1558139 polymorphism in the subgroup analysis based on gender were 1.25 (1.08-1.45) and 0.98 (0.85-1.13), whereas the results for the rs2108622 polymorphism were 1.03 (0.86-1.24) and 0.91 (0.72-1.14). Conclusion: Our meta-analysis demonstrates that the rs1558139 and rs2108622 single nucleotide polymorphisms of the CYP4F2 gene are associated with hypertension, with a particularly strong link between the rs1558139 polymorphism in males.
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Affiliation(s)
- Huixia Geng
- Institute for Risk Assessment of Chronic Diseases, School of Nursing and Health Sciences, Henan University, Kaifeng, Henan, P.R. China
| | - Bo Li
- Institute for Risk Assessment of Chronic Diseases, School of Nursing and Health Sciences, Henan University, Kaifeng, Henan, P.R. China
| | - Yanmei Wang
- Institute for Risk Assessment of Chronic Diseases, School of Nursing and Health Sciences, Henan University, Kaifeng, Henan, P.R. China
| | - Lai Wang
- Institute for Risk Assessment of Chronic Diseases, School of Nursing and Health Sciences, Henan University, Kaifeng, Henan, P.R. China
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48
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Abstract
In honor of the 100th birthday of Dr. Herbert Tabor, JBC's Editor-in-Chief for 40 years, I will review here JBC's extensive coverage of the field of cytochrome P450 (P450) research. Research on the reactions catalyzed by these enzymes was published in JBC before it was even realized that they were P450s, i.e. they have a "pigment" with an absorption maximum at 450 nm. After the P450 pigment discovery, reported in JBC in 1962, the journal proceeded to publish the methods for measuring P450 activities and many seminal findings. Since then, the P450 field has grown extensively, with significant progress in characterizing these enzymes, including structural features, catalytic mechanisms, regulation, and many other aspects of P450 biochemistry. JBC has been the most influential journal in the P450 field. As with many other research areas, Dr. Tabor deserves a great deal of the credit for significantly advancing this burgeoning and important topic of research.
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Affiliation(s)
- F Peter Guengerich
- Department of Biochemistry, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-0146.
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49
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Satarug S, Boonprasert K, Gobe GC, Ruenweerayut R, Johnson DW, Na-Bangchang K, Vesey DA. Chronic exposure to cadmium is associated with a marked reduction in glomerular filtration rate. Clin Kidney J 2018; 12:468-475. [PMID: 31384436 PMCID: PMC6671389 DOI: 10.1093/ckj/sfy113] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Indexed: 01/09/2023] Open
Abstract
Background Urinary 20-hydroxyeicosatetraenoic acid (20-HETE) has been associated with hypertension in women with elevated urinary cadmium (Cd) excretion rates. The present study investigates the urinary Cd and 20-HETE levels in relation to the estimated glomerular filtration rate (eGFR) and albumin excretion in men and women. Methods A population-based, cross-sectional study, which included 225 women and 84 men aged 33–55 years, was conducted in a rural area known to be polluted with Cd. Results In all subjects, lower eGFR values were associated with higher urinary Cd excretion (P = 0.030), and tubulopathy markers N-acetyl-β-d-glucosaminidase (P < 0.001) and β2-microglobulin (β2-MG) (P < 0.001). On average, the hypertensive subjects with the highest quartile of urinary Cd had eGFR values of 12 and 17 mL/min/1.73 m2 lower than that in the hypertensive (P = 0.009) and normotensive subjects (P < 0.001) with the lowest quartile of urinary Cd, respectively. In men, urinary albumin was inversely associated with 20-HETE (β = −0.384, P < 0.001), while showing a moderately positive association with systolic blood pressure (SBP) (β = 0.302, P = 0.037). In women, urinary albumin was not associated with 20-HETE (P = 0.776), but was associated with tubulopathy, reflected by elevated urinary excretion of β2-MG (β = 0.231, P = 0.002). Conclusions Tubulopathy is a determinant of albumin excretion in women, while 20-HETE and SBP are determinants of urinary albumin excretion in men. Associations of chronic exposure to Cd with marked eGFR decline and renal tubular injury seen in both Cd-exposed men and women add to mounting research data that links Cd to the risk of developing chronic kidney disease.
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Affiliation(s)
- Soisungwan Satarug
- Centre for Kidney Disease Research, Faculty of Medicine, Translational Research Institute, University of Queensland, Brisbane, Australia
| | - Kanyarat Boonprasert
- Chulabhorn International College of Medicine, Thammasat University, Pathumthani, Thailand
| | - Glenda C Gobe
- Centre for Kidney Disease Research, Faculty of Medicine, Translational Research Institute, University of Queensland, Brisbane, Australia
| | | | - David W Johnson
- Centre for Kidney Disease Research, Faculty of Medicine, Translational Research Institute, University of Queensland, Brisbane, Australia.,Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
| | - Kesara Na-Bangchang
- Chulabhorn International College of Medicine, Thammasat University, Pathumthani, Thailand
| | - David A Vesey
- Centre for Kidney Disease Research, Faculty of Medicine, Translational Research Institute, University of Queensland, Brisbane, Australia.,Department of Nephrology, Princess Alexandra Hospital, Brisbane, Australia
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50
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Capdevila JH, Falck JR. The arachidonic acid monooxygenase: from biochemical curiosity to physiological/pathophysiological significance. J Lipid Res 2018; 59:2047-2062. [PMID: 30154230 PMCID: PMC6210905 DOI: 10.1194/jlr.r087882] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Revised: 08/10/2018] [Indexed: 12/19/2022] Open
Abstract
The initial studies of the metabolism of arachidonic acid (AA) by the cytochrome P450 (P450) hemeproteins sought to: a) elucidate the roles for these enzymes in the metabolism of endogenous pools of the FA, b) identify the P450 isoforms involved in AA epoxidation and ω/ω-1 hydroxylation, and c) explore the biological activities of their metabolites. These early investigations provided a foundation for subsequent efforts to establish the physiological relevance of the AA monooxygenase and its contributions to the pathophysiology of, for example, cancer, diabetes, hypertension, inflammation, nociception, and vascular disease. This retrospective analyzes the history of some of these efforts, with emphasis on genetic studies that identified roles for the murine Cyp4a and Cyp2c genes in renal and vascular physiology and the pathophysiology of hypertension and cancer. Wide-ranging investigations by laboratories worldwide, including the authors, have established a better appreciation of the enzymology, genetics, and physiologic roles for what is now known as the third branch of the AA cascade. Combined with the development of analytical and pharmacological tools, including robust synthetic agonists and antagonists of the major metabolites, we stand at the threshold of novel therapeutic approaches for the treatment of renal injury, pain, hypertension, and heart disease.
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Affiliation(s)
- Jorge H Capdevila
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232
| | - John R Falck
- Department of Biochemistry, UT Southwestern Medical Center, Dallas, TX 75390
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