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Estarreja J, Caldeira G, Silva I, Mendes P, Mateus V. The Pharmacological Effect of Hemin in Inflammatory-Related Diseases: A Systematic Review. Biomedicines 2024; 12:898. [PMID: 38672251 PMCID: PMC11048114 DOI: 10.3390/biomedicines12040898] [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: 03/07/2024] [Revised: 04/08/2024] [Accepted: 04/12/2024] [Indexed: 04/28/2024] Open
Abstract
BACKGROUND Hemin is clinically used in acute attacks of porphyria; however, recent evidence has also highlighted its capability to stimulate the heme oxygenase enzyme, being associated with cytoprotective, antioxidant, and anti-inflammatory effects. Indeed, current preclinical evidence emphasizes the potential anti-inflammatory role of hemin through its use in animal models of disease. Nevertheless, there is no consensus about the underlying mechanism(s) and the most optimal therapeutic regimens. Therefore, this review aims to summarize, analyze, and discuss the current preclinical evidence concerning the pharmacological effect of hemin. METHODS Following the application of the search expression and the retrieval of the articles, only nonclinical studies in vivo written in English were considered, where the potential anti-inflammatory effect of hemin was evaluated. RESULTS Forty-nine articles were included according to the eligibility criteria established. The results obtained show the preference of using 30 to 50 mg/kg of hemin, administered intraperitoneally, in both acute and chronic contexts. This drug demonstrates significant anti-inflammatory and antioxidant activities considering its capacity for reducing the expression of proinflammatory and oxidative markers. CONCLUSIONS This review highlighted the significant anti-inflammatory and antioxidant effects of hemin, providing a clearer vision for the medical community about the use of this drug in several human diseases.
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Affiliation(s)
- João Estarreja
- H&TRC—Health and Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (J.E.); (G.C.); (I.S.); (P.M.)
| | - Gonçalo Caldeira
- H&TRC—Health and Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (J.E.); (G.C.); (I.S.); (P.M.)
| | - Inês Silva
- H&TRC—Health and Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (J.E.); (G.C.); (I.S.); (P.M.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisbon, Portugal
| | - Priscila Mendes
- H&TRC—Health and Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (J.E.); (G.C.); (I.S.); (P.M.)
| | - Vanessa Mateus
- H&TRC—Health and Technology Research Center, ESTeSL—Escola Superior de Tecnologia da Saúde, Instituto Politécnico de Lisboa, 1990-096 Lisbon, Portugal; (J.E.); (G.C.); (I.S.); (P.M.)
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Av. Professor Gama Pinto, 1649-003 Lisbon, Portugal
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Connick JP, Reed JR, Cawley GF, Saha A, Backes WL. Functional characterization of CYP1 enzymes: Complex formation, membrane localization and function. J Inorg Biochem 2023; 247:112325. [PMID: 37479567 PMCID: PMC10529082 DOI: 10.1016/j.jinorgbio.2023.112325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 06/19/2023] [Accepted: 07/09/2023] [Indexed: 07/23/2023]
Abstract
CYP1A1, CYP1A2, and CYP1B1 have a high degree of sequence similarity, similar substrate selectivities and induction characteristics. However, experiments suggest that there are significant differences in their quaternary structures and function. The goal of this study was to characterize the CYP1 proteins regarding their ability to form protein-protein complexes, lipid microdomain localization, and ultimately function. This was accomplished by examining (1) substrate metabolism of the CYP1s as a function of NADPH-cytochrome P450 reductase (POR) concentration, and (2) quaternary structure, using bioluminescence resonance energy transfer (BRET). Both CYP1As were able to form BRET-detectable homomeric complexes, which was not observed with CYP1B1. When activities were measured as a function of [POR], CYP1A1 and CYP1B1 showed a hyperbolic response, consistent with mass-action binding; however, CYP1A2 produced a sigmoidal response, suggesting that the homomeric complex affected its function. Differences were observed in their ability to form heteromeric complexes. Whereas CYP1B1 and CYP1A1 formed a complex, neither the CYP1A1/CYP1A2 nor the CYP1B1/CYP1A2 pair formed BRET-detectable complexes. These proteins also differed in their lipid microdomain localization, with CYP1A2 and CYP1B1 residing in ordered membranes, and CYP1A1 in the disordered lipid regions. Taken together, despite their sequence similarities, there are substantial differences in quaternary structures and microdomain localization that can influence enzymatic activities. As these proteins exist in the endoplasmic reticulum with other ER-resident proteins, the P450s need to be considered as part of multi-enzyme systems rather than simply monomeric proteins interacting with their redox partners.
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Affiliation(s)
- J Patrick Connick
- Department of Pharmacology and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center -, New Orleans, LA 70112, USA
| | - James R Reed
- Department of Pharmacology and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center -, New Orleans, LA 70112, USA
| | - George F Cawley
- Department of Pharmacology and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center -, New Orleans, LA 70112, USA
| | - Aratrika Saha
- Department of Pharmacology and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center -, New Orleans, LA 70112, USA
| | - Wayne L Backes
- Department of Pharmacology and the Stanley S. Scott Cancer Center, Louisiana State University Health Sciences Center -, New Orleans, LA 70112, USA.
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Wang X, Rao J, Tan Z, Xun T, Zhao J, Yang X. Inflammatory signaling on cytochrome P450-mediated drug metabolism in hepatocytes. Front Pharmacol 2022; 13:1043836. [PMID: 36353494 PMCID: PMC9637984 DOI: 10.3389/fphar.2022.1043836] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Accepted: 10/11/2022] [Indexed: 12/11/2023] Open
Abstract
Cytochrome P450 (CYP450) enzymes are membrane-bound blood proteins that are vital to drug detoxification, cell metabolism, and homeostasis. CYP450s belonging to CYP families 1-3 are responsible for nearly 80% of oxidative metabolism and complete elimination of approximately 50% of all common clinical drugs in humans liver hepatocytes. CYP450s can affect the body's response to drugs by altering the reaction, safety, bioavailability, and toxicity. They can also regulate metabolic organs and the body's local action sites to produce drug resistance through altered drug metabolism. Genetic polymorphisms in the CYP gene alone do not explain ethnic and individual differences in drug efficacy in the context of complex diseases. The purpose of this review is to summarize the impact of new inflammatory-response signaling pathways on the activity and expression of CYP drug-metabolizing enzymes. Included is a summary of recent studies that have identified drugs with the potential to regulate drug-metabolizing enzyme activity. Our goal is to inspire the development of clinical drug treatment processes that consider the impact of the inflammatory environment on drug treatment, as well as provide research targets for those studying drug metabolism.
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Affiliation(s)
- Xiaokang Wang
- Department of Pharmacy, Shenzhen Longhua District Central Hospital, Shenzhen, China
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jiaoyu Rao
- Department of Pharmacy, Shenzhen Longhua District Central Hospital, Shenzhen, China
| | - Zhiyi Tan
- Guangzhou Customs Technology Center, Guangzhou, China
| | - Tianrong Xun
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Jingqian Zhao
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
| | - Xixiao Yang
- Department of Pharmacy, Shenzhen Hospital, Southern Medical University, Shenzhen, China
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Silva RCMC, Vasconcelos LR, Travassos LH. The different facets of heme-oxygenase 1 in innate and adaptive immunity. Cell Biochem Biophys 2022; 80:609-631. [PMID: 36018440 DOI: 10.1007/s12013-022-01087-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 07/20/2022] [Indexed: 11/26/2022]
Abstract
Heme oxygenase (HO) enzymes are responsible for the main oxidative step in heme degradation, generating equimolar amounts of free iron, biliverdin and carbon monoxide. HO-1 is induced as a crucial stress response protein, playing protective roles in physiologic and pathological conditions, due to its antioxidant, anti-apoptotic and anti-inflammatory effects. The mechanisms behind HO-1-mediated protection are being explored by different studies, affecting cell fate through multiple ways, such as reduction in intracellular levels of heme and ROS, transcriptional regulation, and through its byproducts generation. In this review we focus on the interplay between HO-1 and immune-related signaling pathways, which culminate in the activation of transcription factors important in immune responses and inflammation. We also discuss the dual interaction of HO-1 and inflammatory mediators that govern resolution and tissue damage. We highlight the dichotomy of HO-1 in innate and adaptive immune cells development and activation in different disease contexts. Finally, we address different known anti-inflammatory pharmaceuticals that are now being described to modulate HO-1, and the possible contribution of HO-1 in their anti-inflammatory effects.
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Affiliation(s)
- Rafael Cardoso Maciel Costa Silva
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Luiz Ricardo Vasconcelos
- Cellular Signaling and Cytoskeletal Function Laboratory, The Francis Crick Institute, London, UK
| | - Leonardo Holanda Travassos
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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Davydov DR, Dangi B, Yue G, Ahire DS, Prasad B, Zgoda VG. Exploring the Interactome of Cytochrome P450 2E1 in Human Liver Microsomes with Chemical Crosslinking Mass Spectrometry. Biomolecules 2022; 12:biom12020185. [PMID: 35204686 PMCID: PMC8869672 DOI: 10.3390/biom12020185] [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: 12/22/2021] [Revised: 01/19/2022] [Accepted: 01/20/2022] [Indexed: 12/05/2022] Open
Abstract
Aiming to elucidate the system-wide effects of the alcohol-induced increase in the content of cytochrome P450 2E1 (CYP2E1) on drug metabolism, we explored the array of its protein-protein interactions (interactome) in human liver microsomes (HLM) with chemical crosslinking mass spectrometry (CXMS). Our strategy employs membrane incorporation of purified CYP2E1 modified with photoreactive crosslinkers benzophenone-4-maleimide and 4-(N-succinimidylcarboxy)benzophenone. Exposure of bait-incorporated HLM samples to light was followed by isolating the His-tagged bait protein and its crosslinked aggregates on Ni-NTA agarose. Analyzing the individual bands of SDS-PAGE slabs of thereby isolated protein with the toolset of untargeted proteomics, we detected the crosslinked dimeric and trimeric complexes of CYP2E1 with other drug-metabolizing enzymes. Among the most extensively crosslinked partners of CYP2E1 are the cytochromes P450 2A6, 2C8, 3A4, 4A11, and 4F2, UDP-glucuronosyltransferases (UGTs) 1A and 2B, fatty aldehyde dehydrogenase (ALDH3A2), epoxide hydrolase 1 (EPHX1), disulfide oxidase 1α (ERO1L), and ribophorin II (RPN2). These results demonstrate the exploratory power of the proposed CXMS strategy and corroborate the concept of tight functional integration in the human drug-metabolizing ensemble through protein-protein interactions of the constituting enzymes.
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Affiliation(s)
- Dmitri R. Davydov
- Department of Chemistry, Washington State University, Pullman, WA 99164, USA;
- Correspondence:
| | - Bikash Dangi
- Department of Chemistry, Washington State University, Pullman, WA 99164, USA;
| | - Guihua Yue
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99202, USA; (G.Y.); (D.S.A.); (B.P.)
| | - Deepak S. Ahire
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99202, USA; (G.Y.); (D.S.A.); (B.P.)
| | - Bhagwat Prasad
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99202, USA; (G.Y.); (D.S.A.); (B.P.)
| | - Victor G. Zgoda
- Orekhovich Institute of Biomedical Chemistry, Pogodinskaya 10, 119121 Moscow, Russia;
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Davydov DR, Prasad B. Assembling the P450 puzzle: on the sources of nonadditivity in drug metabolism. Trends Pharmacol Sci 2021; 42:988-997. [PMID: 34602306 DOI: 10.1016/j.tips.2021.09.004] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/04/2021] [Accepted: 09/06/2021] [Indexed: 01/04/2023]
Abstract
There is an increasing number of indications of an oversimplification in the premise that the cumulative properties of the human drug-metabolizing ensemble represent a simple aggregate of the properties of the constituting enzymes. Recent studies of the functional effects of hetero-association of multiple cytochrome P450 species and their interactions with metabolically related enzymes revealed a tight integration in the drug-metabolizing ensemble. In our opinion, the sources of interindividual variability in drug metabolism can be elucidated only when considering this ensemble as a multienzyme system, the functional parameters of which are determined by interactions between its constituents. In this article, we present a conceptual model providing a mechanistic explanation for the functional effects of the interactions between multiple P450 species and propose a clue to understanding the nonadditive behavior of the drug-metabolizing ensemble.
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Affiliation(s)
- Dmitri R Davydov
- Department of Chemistry, Washington State University, Pullman, WA 99164, USA.
| | - Bhagwat Prasad
- Department of Pharmaceutical Sciences, Washington State University, Spokane, WA 99202, USA
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Heteromeric complex formation between human cytochrome P450 CYP1A1 and heme oxygenase-1. Biochem J 2021; 478:377-388. [PMID: 33394027 DOI: 10.1042/bcj20200768] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/15/2020] [Accepted: 01/04/2021] [Indexed: 01/10/2023]
Abstract
P450 and heme oxygenase-1 (HO-1) receive their necessary electrons by interaction with the NADPH-cytochrome P450 reductase (POR). As the POR concentration is limiting when compared with P450 and HO-1, they must effectively compete for POR to function. In addition to these functionally required protein-protein interactions, HO-1 forms homomeric complexes, and several P450s have been shown to form complexes with themselves and with other P450s, raising the question, 'How are the HO-1 and P450 systems organized in the endoplasmic reticulum?' Recently, CYP1A2 was shown to associate with HO-1 affecting the function of both proteins. The goal of this study was to determine if CYP1A1 formed complexes with HO-1 in a similar manner. Complex formation among POR, HO-1, and CYP1A1 was measured using bioluminescence resonance energy transfer, with results showing HO-1 and CYP1A1 form a stable complex that was further stabilized in the presence of POR. The POR•CYP1A1 complex was readily disrupted by the addition of HO-1. CYP1A1 also was able to affect the POR•HO-1 complex, although the effect was smaller. This interaction between CYP1A1 and HO-1 also affected function, where the presence of CYP1A1 inhibited HO-1-mediated bilirubin formation by increasing the KmPOR•HO-1 without affecting the Vmaxapp. In like manner, HO-1 inhibited CYP1A1-mediated 7-ethoxyresorufin dealkylation by increasing the KmPOR•CYP1A1. Based on the mathematical simulation, the results could not be explained by a model where CYP1A1 and HO-1 simply compete for POR, and are consistent with the formation of a stable CYP1A1•HO-1 complex that affected the functional characteristics of both moieties.
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