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Weber AA, Yang X, Mennillo E, Wong S, Le S, Ashley Teo JY, Chang M, Benner CW, Ding J, Jain M, Chen S, Karin M, Tukey RH. Triclosan administration to humanized UDP-glucuronosyltransferase 1 neonatal mice induces UGT1A1 through a dependence on PPARα and ATF4. J Biol Chem 2024:107340. [PMID: 38705390 DOI: 10.1016/j.jbc.2024.107340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2024] [Revised: 04/23/2024] [Accepted: 04/25/2024] [Indexed: 05/07/2024] Open
Abstract
Triclosan (TCS) is an antimicrobial toxicant found in a myriad of consumer products and has been detected in human tissues, including breastmilk. We have evaluated the impact of lactational TCS on UDP-glucuronosyltransferase 1A1 (UGT1A1) expression and bilirubin metabolism in humanized UGT1 (hUGT1) neonatal mice. In hUGT1 mice, expression of the hepatic UGT1A1 gene is developmentally delayed resulting in elevated total serum bilirubin (TSB) levels. We found that newborn hUGT1 mice breastfed or orally treated with TCS presented lower TSB levels along with induction of hepatic UGT1A1. Lactational and oral treatment by gavage with TCS leads to the activation of hepatic nuclear receptors CAR, PPARα, and stress sensor, ATF4. When CAR-deficient hUGT1 mice (hUGT1/Car-/-) were treated with TCS, TSB levels were reduced with a robust induction of hepatic UGT1A1, leaving us to conclude that CAR is not tied to UGT1A1 induction. Alternatively, when PPARα-deficient hUGT1 mice (hUGT1/Pparα-/-) were treated with TCS, hepatic UGT1A1 was not induced. Additionally, we had previously demonstrated that TCS is a potent inducer of ATF4, a transcriptional factor linked to the integrated stress response. When ATF4 was deleted in liver of hUGT1 mice (hUGT1/Atf4ΔHep), and these mice treated with TCS, we observed superinduction of hepatic UGT1A1. Oxidative stress genes in livers of hUGT1/Atf4ΔHep treated with TCS were increased, suggesting that ATF4 protects liver from excessive oxidative stress. The increase oxidative stress may be associated with superinduction of UGT1A1. The expression of ATF4 in neonatal hUGT1 hepatic tissue may play a role in the developmental repression of UGT1A1.
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Affiliation(s)
- André A Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Samantha Wong
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Sabrina Le
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Jia Ying Ashley Teo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Max Chang
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Christopher W Benner
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Jeffrey Ding
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Mohit Jain
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, CA, USA
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA
| | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, CA, USA
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, USA.
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2
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He JY, Kim YJ, Mennillo E, Rusu I, Bain J, Rao AA, Andersen C, Law K, Yang H, Tsui J, Shen A, Davidson B, Kushnoor D, Shi Y, Fan F, Cheung A, Zhang L, Fong L, Combes AJ, Pisco AO, Kattah MG, Oh DY. Dysregulation of CD4 + and CD8 + resident memory T, myeloid, and stromal cells in steroid-experienced, checkpoint inhibitor colitis. J Immunother Cancer 2024; 12:e008628. [PMID: 38642938 PMCID: PMC11033653 DOI: 10.1136/jitc-2023-008628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/20/2024] [Indexed: 04/22/2024] Open
Abstract
BACKGROUND Colitis caused by checkpoint inhibitors (CPI) is frequent and is treated with empiric steroids, but CPI colitis mechanisms in steroid-experienced or refractory disease are unclear. METHODS Using colon biopsies and blood from predominantly steroid-experienced CPI colitis patients, we performed multiplexed single-cell transcriptomics and proteomics to nominate contributing populations. RESULTS CPI colitis biopsies showed enrichment of CD4+resident memory (RM) T cells in addition to CD8+ RM and cytotoxic CD8+ T cells. Matching T cell receptor (TCR) clonotypes suggested that both RMs are progenitors that yield cytotoxic effectors. Activated, CD38+ HLA-DR+ CD4+ RM and cytotoxic CD8+ T cells were enriched in steroid-experienced and a validation data set of steroid-naïve CPI colitis, underscoring their pathogenic potential across steroid exposure. Distinct from ulcerative colitis, CPI colitis exhibited perturbed stromal metabolism (NAD+, tryptophan) impacting epithelial survival and inflammation. Endothelial cells in CPI colitis after anti-TNF and anti-cytotoxic T-lymphocyte-associated antigen 4 (anti-CTLA-4) upregulated the integrin α4β7 ligand molecular vascular addressin cell adhesion molecule 1 (MAdCAM-1), which may preferentially respond to vedolizumab (anti-α4β7). CONCLUSIONS These findings nominate CD4+ RM and MAdCAM-1+ endothelial cells for targeting in specific subsets of CPI colitis patients.
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Affiliation(s)
- Jun Yan He
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Yang-Joon Kim
- Chan Zuckerberg Biohub, San Francisco, California, USA
| | - Elvira Mennillo
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Iulia Rusu
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Jared Bain
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - Arjun A Rao
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | | | - Karen Law
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Hai Yang
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Jessica Tsui
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Alan Shen
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Brittany Davidson
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Divyashree Kushnoor
- CoLabs, University of California, San Francisco, San Francisco, California, USA
| | - Yimin Shi
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Frances Fan
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Alexander Cheung
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Li Zhang
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Lawrence Fong
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Alexis J Combes
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
- CoLabs, University of California, San Francisco, San Francisco, California, USA
- Department of Pathology, University of California, San Francisco, San Francisco, California, USA
- ImmunoX Initiative, University of California, San Francisco, San Francisco, California, USA
| | | | - Michael G Kattah
- Division of Gastroenterology, Department of Medicine, University of California, San Francisco, San Francisco, CA, USA
| | - David Y Oh
- Division of Hematology/Oncology, Department of Medicine, University of California, San Francisco, San Francisco, California, USA
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Mennillo E, Kim YJ, Lee G, Rusu I, Patel RK, Dorman LC, Flynn E, Li S, Bain JL, Andersen C, Rao A, Tamaki S, Tsui J, Shen A, Lotstein ML, Rahim M, Naser M, Bernard-Vazquez F, Eckalbar W, Cho SJ, Beck K, El-Nachef N, Lewin S, Selvig DR, Terdiman JP, Mahadevan U, Oh DY, Fragiadakis GK, Pisco A, Combes AJ, Kattah MG. Single-cell and spatial multi-omics highlight effects of anti-integrin therapy across cellular compartments in ulcerative colitis. Nat Commun 2024; 15:1493. [PMID: 38374043 PMCID: PMC10876948 DOI: 10.1038/s41467-024-45665-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 01/30/2024] [Indexed: 02/21/2024] Open
Abstract
Ulcerative colitis (UC) is driven by immune and stromal subsets, culminating in epithelial injury. Vedolizumab (VDZ) is an anti-integrin antibody that is effective for treating UC. VDZ is known to inhibit lymphocyte trafficking to the intestine, but its broader effects on other cell subsets are less defined. To identify the inflammatory cells that contribute to colitis and are affected by VDZ, we perform single-cell transcriptomic and proteomic analyses of peripheral blood and colonic biopsies in healthy controls and patients with UC on VDZ or other therapies. Here we show that VDZ treatment is associated with alterations in circulating and tissue mononuclear phagocyte (MNP) subsets, along with modest shifts in lymphocytes. Spatial multi-omics of formalin-fixed biopsies demonstrates trends towards increased abundance and proximity of MNP and fibroblast subsets in active colitis. Spatial transcriptomics of archived specimens pre-treatment identifies epithelial-, MNP-, and fibroblast-enriched genes related to VDZ responsiveness, highlighting important roles for these subsets in UC.
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Affiliation(s)
- Elvira Mennillo
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | | | - Gyehyun Lee
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Iulia Rusu
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Ravi K Patel
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | | | - Emily Flynn
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Stephanie Li
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Jared L Bain
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Christopher Andersen
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Arjun Rao
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Stanley Tamaki
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Jessica Tsui
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
- Department of Pathology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Alan Shen
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
- Department of Pathology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Madison L Lotstein
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Maha Rahim
- Helen Diller Family Comprehensive Cancer Center, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Mohammad Naser
- Biological Imaging Development CoLab, University of California San Francisco, San Francisco, CA, USA
| | | | - Walter Eckalbar
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | - Soo-Jin Cho
- Department of Pathology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Kendall Beck
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Najwa El-Nachef
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Sara Lewin
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Daniel R Selvig
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Jonathan P Terdiman
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Uma Mahadevan
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - David Y Oh
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- Division of Hematology/Oncology, Department of Medicine, University of California San Francisco, San Francisco, CA, USA
| | - Gabriela K Fragiadakis
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
| | | | - Alexis J Combes
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA
- CoLabs, University of California San Francisco, San Francisco, CA, USA
- Department of Pathology, University of California San Francisco, San Francisco, CA, 94143, USA
| | - Michael G Kattah
- Department of Medicine, University of California San Francisco, San Francisco, CA, USA.
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4
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Mennillo E, Kim YJ, Lee G, Rusu I, Patel RK, Dorman LC, Flynn E, Li S, Bain JL, Andersen C, Rao A, Tamaki S, Tsui J, Shen A, Lotstein ML, Rahim M, Naser M, Bernard-Vazquez F, Eckalbar W, Cho SJ, Beck K, El-Nachef N, Lewin S, Selvig DR, Terdiman JP, Mahadevan U, Oh DY, Fragiadakis GK, Pisco A, Combes AJ, Kattah MG. Single-cell and spatial multi-omics highlight effects of anti-integrin therapy across cellular compartments in ulcerative colitis. bioRxiv 2024:2023.01.21.525036. [PMID: 36711576 PMCID: PMC9882264 DOI: 10.1101/2023.01.21.525036] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Ulcerative colitis (UC) is driven by immune and stromal subsets, culminating in epithelial injury. Vedolizumab (VDZ) is an anti-integrin antibody that is effective for treating UC. VDZ is known to inhibit lymphocyte trafficking to the intestine, but its broader effects on other cell subsets are less defined. To identify the inflammatory cells that contribute to colitis and are affected by VDZ, we performed single-cell transcriptomic and proteomic analyses of peripheral blood and colonic biopsies in healthy controls and patients with UC on VDZ or other therapies. Here we show that VDZ treatment is associated with alterations in circulating and tissue mononuclear phagocyte (MNP) subsets, along with modest shifts in lymphocytes. Spatial multi-omics of formalin-fixed biopsies demonstrates trends towards increased abundance and proximity of MNP and fibroblast subsets in active colitis. Spatial transcriptomics of archived specimens pre-treatment identifies epithelial-, MNP-, and fibroblast-enriched genes related to VDZ responsiveness, highlighting important roles for these subsets in UC.
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5
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Yang X, Weber AA, Mennillo E, Secrest P, Chang M, Wong S, Le S, Liu J, Benner CW, Karin M, Gordts PL, Tukey RH, Chen S. Effects of Early Life Oral Arsenic Exposure on Intestinal Tract Development and Lipid Homeostasis in Neonatal Mice: Implications for NAFLD Development. Environ Health Perspect 2023; 131:97001. [PMID: 37668303 PMCID: PMC10478510 DOI: 10.1289/ehp12381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 05/01/2023] [Accepted: 07/11/2023] [Indexed: 09/06/2023]
Abstract
BACKGROUND Newborns can be exposed to inorganic arsenic (iAs) through contaminated drinking water, formula, and other infant foods. Epidemiological studies have demonstrated a positive association between urinary iAs levels and the risk of developing nonalcoholic fatty liver disease (NAFLD) among U.S. adolescents and adults. OBJECTIVES The present study examined how oral iAs administration to neonatal mice impacts the intestinal tract, which acts as an early mediator for NAFLD. METHODS Neonatal mice were treated with a single dose of iAs via oral gavage. Effects on the small intestine were determined by histological examination, RNA sequencing, and biochemical analysis. Serum lipid profiling was analyzed by fast protein liquid chromatography (FPLC), and hepatosteatosis was characterized histologically and biochemically. Liver X receptor-alpha (LXR α ) knockout (L x r α - / - ) mice and liver-specific activating transcription factor 4 (ATF4)-deficient (A t f 4 Δ H e p ) mice were used to define their roles in iAs-induced effects during the neonatal stage. RESULTS Neonatal mice exposed to iAs via oral gavage exhibited accumulation of dietary fat in enterocytes, with higher levels of enterocyte triglycerides and free fatty acids. These mice also showed accelerated enterocyte maturation and a longer small intestine. This was accompanied by higher levels of liver-derived very low-density lipoprotein and low-density lipoprotein triglycerides, and a lower level of high-density lipoprotein cholesterol in the serum. Mice exposed during the neonatal period to oral iAs also developed hepatosteatosis. Compared with the control group, iAs-induced fat accumulation in enterocytes became more significant in neonatal L x r α - / - mice, accompanied by accelerated intestinal growth, hypertriglyceridemia, and hepatosteatosis. In contrast, regardless of enterocyte fat accumulation, hepatosteatosis was largely reduced in iAs-treated neonatal A t f 4 Δ H e p mice. CONCLUSION Exposure to iAs in neonatal mice resulted in excessive accumulation of fat in enterocytes, disrupting lipid homeostasis in the serum and liver, revealing the importance of the gut-liver axis and endoplasmic reticulum stress in mediating iAs-induced NAFLD at an early age. https://doi.org/10.1289/EHP12381.
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Affiliation(s)
- Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - André A. Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - Patrick Secrest
- Department of Medicine, Division of Endocrinology and Metabolism, UC San Diego, La Jolla, California, USA
| | - Max Chang
- Department of Medicine, School of Medicine, UC San Diego, La Jolla, California, USA
| | - Samantha Wong
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - Sabrina Le
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - Junlai Liu
- Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, UC San Diego, La Jolla, California, USA
| | | | - Michael Karin
- Laboratory of Gene Regulation and Signal Transduction, Department of Pharmacology, UC San Diego, La Jolla, California, USA
| | - Philip L.S.M. Gordts
- Department of Medicine, Division of Endocrinology and Metabolism, UC San Diego, La Jolla, California, USA
| | - Robert H. Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego (UC San Diego), La Jolla, California, USA
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Yang X, Weber AA, Mennillo E, Paszek M, Wong S, Le S, Teo JYA, Chang M, Benner CW, Tukey RH, Chen S. Oral arsenic administration to humanizedUDP-glucuronosyltransferase1 neonatal mice induces UGT1A1 through a dependence on Nrf2 and PXR. J Biol Chem 2023; 299:102955. [PMID: 36720308 PMCID: PMC9996368 DOI: 10.1016/j.jbc.2023.102955] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 01/20/2023] [Accepted: 01/24/2023] [Indexed: 01/31/2023] Open
Abstract
Inorganic arsenic (iAs) is an environmental toxicant that can lead to severe health consequences, which can be exacerbated if exposure occurs early in development. Here, we evaluated the impact of oral iAs treatment on UDP-glucuronosyltransferase 1A1 (UGT1A1) expression and bilirubin metabolism in humanized UGT1 (hUGT1) mice. We found that oral administration of iAs to neonatal hUGT1 mice that display severe neonatal hyperbilirubinemia leads to induction of intestinal UGT1A1 and a reduction in total serum bilirubin values. Oral iAs administration accelerates neonatal intestinal maturation, an event that is directly associated with UGT1A1 induction. As a reactive oxygen species producer, oral iAs treatment activated the Keap-Nrf2 pathway in the intestinal tract and liver. When Nrf2-deficient hUGT1 mice (hUGT1/Nrf2-/-) were treated with iAs, it was shown that activated Nrf2 contributed significantly toward intestinal maturation and UGT1A1 induction. However, hepatic UGT1A1 was not induced upon iAs exposure. We previously demonstrated that the nuclear receptor PXR represses liver UGT1A1 in neonatal hUGT1 mice. When PXR was deleted in hUGT1 mice (hUGT1/Pxr-/-), derepression of UGT1A1 was evident in both liver and intestinal tissue in neonates. Furthermore, when neonatal hUGT1/Pxr-/- mice were treated with iAs, UGT1A1 was superinduced in both tissues, confirming PXR release derepressed key regulatory elements on the gene that could be activated by iAs exposure. With iAs capable of generating reactive oxygen species in both liver and intestinal tissue, we conclude that PXR deficiency in neonatal hUGT1/Pxr-/- mice allows greater access of activated transcriptional modifiers such as Nrf2 leading to superinduction of UGT1A1.
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Affiliation(s)
- Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - André A Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Miles Paszek
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Samantha Wong
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Sabrina Le
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Jia Ying Ashley Teo
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Max Chang
- Department of Medicine, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Christopher W Benner
- Department of Medicine, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, School of Medicine, University of California San Diego, La Jolla, California, USA.
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7
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Rusu I, Mennillo E, Bain JL, Li Z, Sun X, Ly KM, Rosli YY, Naser M, Wang Z, Advincula R, Achacoso P, Shao L, Razani B, Klein OD, Marson A, Turnbaugh JA, Turnbaugh PJ, Malynn BA, Ma A, Kattah MG. Microbial signals, MyD88, and lymphotoxin drive TNF-independent intestinal epithelial tissue damage. J Clin Invest 2022; 132:154993. [PMID: 35077396 PMCID: PMC8884902 DOI: 10.1172/jci154993] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 01/19/2022] [Indexed: 11/18/2022] Open
Abstract
Anti-TNF antibodies are effective for treating patients with inflammatory bowel disease (IBD), but many patients fail to respond to anti-TNF therapy, highlighting the importance of TNF-independent disease. We previously demonstrated that acute deletion of 2 IBD susceptibility genes, A20 (Tnfaip3) and Abin-1 (Tnip1), in intestinal epithelial cells (IECs) sensitized mice to both TNF-dependent and TNF-independent death. Here we show that TNF-independent IEC death after A20 and Abin-1 deletion was rescued by germ-free derivation or deletion of MyD88, while deletion of Trif provided only partial protection. Combined deletion of Ripk3 and Casp8, which inhibits both apoptotic and necroptotic death, completely protected against death after acute deletion of A20 and Abin-1 in IECs. A20- and Abin-1–deficient IECs were sensitized to TNF-independent, TNFR1-mediated death in response to lymphotoxin α (LTα) homotrimers. Blockade of LTα in vivo reduced weight loss and improved survival when combined with partial deletion of MyD88. Biopsies of inflamed colon mucosa from patients with IBD exhibited increased LTA and IL1B expression, including a subset of patients with active colitis on anti-TNF therapy. These data show that microbial signals, MyD88, and LTα all contribute to TNF-independent intestinal injury.
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Affiliation(s)
- Iulia Rusu
- Department of Medicine, UCSF, San Francisco, California, USA
| | - Elvira Mennillo
- Department of Medicine, UCSF, San Francisco, California, USA
| | - Jared L. Bain
- Department of Medicine, UCSF, San Francisco, California, USA
| | - Zhongmei Li
- Department of Medicine, UCSF, San Francisco, California, USA
- Gladstone Institutes, San Francisco, California, USA
| | - Xiaofei Sun
- Department of Medicine, UCSF, San Francisco, California, USA
| | | | - Yenny Y. Rosli
- Department of Medicine, UCSF, San Francisco, California, USA
| | - Mohammad Naser
- Biological Imaging Development CoLab, UCSF, San Francisco, California, USA
| | - Zunqiu Wang
- Department of Medicine, UCSF, San Francisco, California, USA
| | | | - Philip Achacoso
- Department of Medicine, UCSF, San Francisco, California, USA
| | - Ling Shao
- Department of Medicine, University of Southern California, Los Angeles, California, USA
| | | | - Ophir D. Klein
- Departments of Orofacial Sciences and Pediatrics, Program in Craniofacial Biology, and
| | - Alexander Marson
- Department of Medicine, UCSF, San Francisco, California, USA
- Gladstone Institutes, San Francisco, California, USA
- Department of Microbiology and Immunology and
- Institute for Human Genetics, UCSF, San Francisco, California, USA
- Innovative Genomics Institute, University of California, Berkeley, California, USA
- Parker Institute for Cancer Immunotherapy, San Francisco, California, USA
- Chan Zuckerberg Biohub, San Francisco, California, USA
| | | | | | | | - Averil Ma
- Department of Medicine, UCSF, San Francisco, California, USA
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Mennillo E, Yang X, Weber AA, Maruo Y, Verreault M, Barbier O, Chen S, Tukey RH. Intestinal UDP-Glucuronosyltransferase 1A1 and Protection against Irinotecan-Induced Toxicity in a Novel UDP-Glucuronosyltransferase 1A1 Tissue-Specific Humanized Mouse Model. Drug Metab Dispos 2022; 50:33-42. [PMID: 34697081 PMCID: PMC8969198 DOI: 10.1124/dmd.121.000644] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 10/19/2021] [Indexed: 01/03/2023] Open
Abstract
The human UDP-glucuronosyltransferases (UGTs) represent an important family of drug-metabolizing enzymes, with UGT1A1 targeting the conjugation and detoxification of many exogenous substances, including pharmaceutical drugs. In this study we generated humanized UGT1A1 mice expressing the human UGT1A1 gene in either liver (hUGT1A1HEP ) or intestine (hUGT1A1GI ), enabling experiments to examine tissue-specific properties of UGT1A1-specific glucuronidation. Hepatic and intestinal tissue-specific expression and function of UGT1A1 were demonstrated. Although the liver is considered a major organ for detoxification, intestinal UGT1A1 is an important contributor for drug clearance. Mice were challenged with irinotecan (CPT-11), a prodrug hydrolyzed by carboxylesterases to form the active metabolite 7-ethyl-10-hydroxycamptothecin (SN-38) and detoxified by UGT1A1. Humanized UGT1A1HEP mice that have no intestinal UGT1A1 displayed a greater lethality rate when exposed to CPT-11 than hUGT1A1GI mice. When exposed to a low dose of CPT-11 (10 mg/kg), hUGT1A1HEP mice displayed greater intestinal inflammatory (IL-1β and IL-6) insult in addition to p53-triggered apoptotic responses. In vitro studies with intestinal crypt organoids exposed to CPT-11 confirmed the results observed in vivo and indicated that CPT-11 impacts stemness, apoptosis, and endoplasmic reticulum (ER) stress in organoids deficient in UGT1A1. When we examined the induction of ER stress in organoids with thapsigargin, an inhibitor of sarco/endoplasmic reticulum Ca2+ ATPase, apoptosis and the caspase surge that occurred in hUGT1A1HEP mice were blocked in hUGT1A1GI organoids. This study reveals the importance of intestinal UGT1A1 in preventing inflammation, apoptosis, and loss of stemness capacity upon systemic challenge with an important chemotherapeutic agent. SIGNIFICANCE STATEMENT: Hepatic and intestinal UGT1A1 play a key role in the metabolism and detoxification of endogenous and exogenous compounds. The use of tissue-specific humanized models expressing UGT1A1 in liver or intestine has confirmed the relevance of the intestinal tract in the detoxification of irinotecan. Mechanistic studies using intestinal organoids highlighted the importance of UGT1A1 in reducing inflammation, apoptosis, and loss of stemness. These new models provide valuable tools for studying tissue-specific glucuronidation of substances that are metabolized by human UGT1A1.
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Affiliation(s)
- Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Andre A Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Yoshihiro Maruo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Melanie Verreault
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Olivier Barbier
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California San Diego, La Jolla, California (E.M., X.Y., A.A.W., S.C., R.H.T.); Department of Pediatrics, Shiga University of Medical Science, Otsu, Shiga, Japan (Y.M.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
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van der Schoor LWE, Verkade HJ, Bertolini A, de Wit S, Mennillo E, Rettenmeier E, Weber AA, Havinga R, Valášková P, Jašprová J, Struik D, Bloks VW, Chen S, Schreuder AB, Vítek L, Tukey RH, Jonker JW. Potential of therapeutic bile acids in the treatment of neonatal Hyperbilirubinemia. Sci Rep 2021; 11:11107. [PMID: 34045606 PMCID: PMC8160219 DOI: 10.1038/s41598-021-90687-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Accepted: 05/09/2021] [Indexed: 02/04/2023] Open
Abstract
Neonatal hyperbilirubinemia or jaundice is associated with kernicterus, resulting in permanent neurological damage or even death. Conventional phototherapy does not prevent hyperbilirubinemia or eliminate the need for exchange transfusion. Here we investigated the potential of therapeutic bile acids ursodeoxycholic acid (UDCA) and obeticholic acid (OCA, 6-α-ethyl-CDCA), a farnesoid-X-receptor (FXR) agonist, as preventive treatment options for neonatal hyperbilirubinemia using the hUGT1*1 humanized mice and Ugt1a-deficient Gunn rats. Treatment of hUGT1*1 mice with UDCA or OCA at postnatal days 10-14 effectively decreased bilirubin in plasma (by 82% and 62%) and brain (by 72% and 69%), respectively. Mechanistically, our findings indicate that these effects are mediated through induction of protein levels of hUGT1A1 in the intestine, but not in liver. We further demonstrate that in Ugt1a-deficient Gunn rats, UDCA but not OCA significantly decreases plasma bilirubin, indicating that at least some of the hypobilirubinemic effects of UDCA are independent of UGT1A1. Finally, using the synthetic, non-bile acid, FXR-agonist GW4064, we show that some of these effects are mediated through direct or indirect activation of FXR. Together, our study shows that therapeutic bile acids UDCA and OCA effectively reduce both plasma and brain bilirubin, highlighting their potential in the treatment of neonatal hyperbilirubinemia.
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Affiliation(s)
- Lori W E van der Schoor
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Pediatric Gastroenterology and Hepatology, University of Groningen, University Medical Center, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Henkjan J Verkade
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Pediatric Gastroenterology and Hepatology, University of Groningen, University Medical Center, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Anna Bertolini
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Sanne de Wit
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Eva Rettenmeier
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, 92093, USA
| | - André A Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Rick Havinga
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Petra Valášková
- Fourth Department of Internal Medicine and Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jana Jašprová
- Fourth Department of Internal Medicine and Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Dicky Struik
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Vincent W Bloks
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, 92093, USA
| | - Andrea B Schreuder
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
- Pediatric Gastroenterology and Hepatology, University of Groningen, University Medical Center, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands
| | - Libor Vítek
- Fourth Department of Internal Medicine and Institute of Medical Biochemistry and Laboratory Diagnostics, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, 92093, USA.
| | - Johan W Jonker
- Section of Molecular Metabolism and Nutrition, Laboratory of Pediatrics, University of Groningen, University Medical Center Groningen, Hanzeplein 1, 9713 GZ, Groningen, The Netherlands.
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Mennillo E, Pretti C, Cappelli F, Luci G, Intorre L, Meucci V, Arukwe A. Novel organ-specific effects of Ketoprofen and its enantiomer, dexketoprofen on toxicological response transcripts and their functional products in salmon. Aquat Toxicol 2020; 229:105677. [PMID: 33181407 DOI: 10.1016/j.aquatox.2020.105677] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 06/11/2023]
Abstract
Racemic ketoprofen (RS-KP) and its enantiomer, dexketoprofen (S(+)-KP) are widely used non-steroidal anti-inflammatory drugs (NSAIDs), and commonly detected in the aquatic environment. The present study has evaluated the toxicological effects of RS-KP and S(+)-KP on biotransformation and oxidative stress responses in gills and liver of Atlantic salmon. Fish were exposed for 10 days using different concentrations of RS-KP (1, 10 and 100 μg/L) and S(+)-KP (0.5, 5 and 50 μg/L). Biotransformation and oxidative stress responses were analysed at both transcript and functional levels. In the gills, significant inhibitory effect at transcriptional and enzymatic levels were observed for biotransformation and oxidative stress responses. On the contrary, biotransformation responses were significantly increased at transcriptional and translational levels in the liver, while the associated enzymatic activities did not parallel this trend and were inhibited and further demonstrated by principal component analysis (PCA). Our findings showed that both compounds produced comparable toxicological effects, by producing organ-specific effect differences. RS-KP and S(+)-KP did not bioaccumulate in fish muscle, either due to rapid metabolism or excretion as a result of their hydrophobic properties. Interestingly, the inhibitory effects observed in the gills suggest that these drugs may not undergo first pass metabolism, that might result to downstream differences in toxicological outcomes.
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Affiliation(s)
- Elvira Mennillo
- Department of Biology, Norwegian University of Science and Technology (NTNU), Norway; Department of Veterinary Science, University of Pisa, San Piero a Grado (PI), 56122, Italy; Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, CA, United States
| | - Carlo Pretti
- Department of Veterinary Science, University of Pisa, San Piero a Grado (PI), 56122, Italy; Interuniversity Center of Marine Biology (CIBM) "G. Bacci", Leghorn, 57128, Italy
| | - Francesca Cappelli
- Department of Biology, Norwegian University of Science and Technology (NTNU), Norway
| | - Giacomo Luci
- Department of Biology, Norwegian University of Science and Technology (NTNU), Norway; Department of Veterinary Science, University of Pisa, San Piero a Grado (PI), 56122, Italy
| | - Luigi Intorre
- Department of Veterinary Science, University of Pisa, San Piero a Grado (PI), 56122, Italy
| | - Valentina Meucci
- Department of Veterinary Science, University of Pisa, San Piero a Grado (PI), 56122, Italy
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Norway.
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Weber AA, Mennillo E, Yang X, van der Schoor LWE, Jonker JW, Chen S, Tukey RH. Regulation of Intestinal UDP-Glucuronosyltransferase 1A1 by the Farnesoid X Receptor Agonist Obeticholic Acid Is Controlled by Constitutive Androstane Receptor through Intestinal Maturation. Drug Metab Dispos 2020; 49:12-19. [PMID: 33154041 DOI: 10.1124/dmd.120.000240] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 10/14/2020] [Indexed: 12/28/2022] Open
Abstract
UDP-glucuronosyltransferase (UGT) 1A1 is the only transferase capable of conjugating serum bilirubin. However, temporal delay in the development of the UGT1A1 gene leads to an accumulation of serum bilirubin in newborn children. Neonatal humanized UGT1 (hUGT1) mice, which accumulate severe levels of total serum bilirubin (TSB), were treated by oral gavage with obeticholic acid (OCA), a potent FXR agonist. OCA treatment led to dramatic reduction in TSB levels. Analysis of UGT1A1 expression confirmed that OCA induced intestinal and not hepatic UGT1A1. Interestingly, Cyp2b10, a target gene of the nuclear receptor CAR, was also induced by OCA in intestinal tissue. In neonatal hUGT1/Car -/- mice, OCA was unable to induce CYP2B10 and UGT1A1, confirming that CAR and not FXR is involved in the induction of intestinal UGT1A1. However, OCA did induce FXR target genes, such as Shp, in both intestines and liver with induction of Fgf15 in intestinal tissue. Circulating FGF15 activates hepatic FXR and, together with hepatic Shp, blocks Cyp7a1 and Cyp7b1 gene expression, key enzymes in bile acid metabolism. Importantly, the administration of OCA in neonatal hUGT1 mice accelerates intestinal epithelial cell maturation, which directly impacts on induction of the UGT1A1 gene and the reduction in TSB levels. Accelerated intestinal maturation is directly controlled by CAR, since induction of enterocyte marker genes sucrase-isomaltase, alkaline phosphatase 3, and keratin 20 by OCA does not occur in hUGT1/Car -/- mice. Thus, new findings link an important role for CAR in intestinal UGT1A1 induction and its role in the intestinal maturation pathway. SIGNIFICANCE STATEMENT: Obeticholic acid (OCA) activates FXR target genes in both liver and intestinal tissues while inducing intestinal UGT1A1, which leads to the elimination of serum bilirubin in humanized UGT1 mice. However, the induction of intestinal UGT1A1 and the elimination of bilirubin by OCA is driven entirely by activation of intestinal CAR and not FXR. The elimination of serum bilirubin is based on a CAR-dependent mechanism that facilitates the acceleration of intestinal epithelium cell differentiation, an event that underlies the induction of intestinal UGT1A1.
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Affiliation(s)
- André A Weber
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Lori W E van der Schoor
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Johan W Jonker
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (A.A.W., E.M., X.Y., S.C., R.H.T.) and Department of Pediatrics, Center for Liver, Digestive and Metabolic Diseases, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands (L.W.E.v.d.S., J.W.J.)
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Yang X, Mennillo E, Tukey R, Chen S. Comparisons between Animal Models and Intestinal Crypt Cultures when Investigating the Impact of Fatty Acids on Gene Expression in Intestinal Epithelial Cells. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.06598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Mennillo E, Yang X, Weber A, Chen S, Maruo Y, Tukey RH. Tissue‐specific Humanized Models Expressing Human UGT1A1. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.06589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Weber AA, Mennillo E, Ding J, Jain M, Chen S, Tukey R. Triclosan (TCS) Exposure in Neonatal Mice Leads to ER Stress, Inflammation and Lipid Accumulation in Liver. FASEB J 2020. [DOI: 10.1096/fasebj.2020.34.s1.06619] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Mennillo E, Adeogun AO, Arukwe A. Quality screening of the Lagos lagoon sediment by assessing the cytotoxicity and toxicological responses of rat hepatoma H4IIE and fish PLHC-1 cell-lines using different extraction approaches. Environ Res 2020; 182:108986. [PMID: 31812937 DOI: 10.1016/j.envres.2019.108986] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Revised: 11/28/2019] [Accepted: 11/29/2019] [Indexed: 06/10/2023]
Abstract
In this study, sediment samples from Makoko and Ikorodu sites of the Lagos lagoon (Nigeria) were screened for toxicological responses on mammalian and fish cell lines using different extraction methods. Rat hepatoma H4IIE and fish PLHC-1 cell-lines were exposed to serial dilutions of the elutriate, polar and non-polar extracts. We evaluated exposed cells for cytotoxicity and aryl hydrocarbon receptor (AhR)-mediated toxicity. Cells exposed to polar and water extracts from Makoko and Ikorodu showed viability percentage of >80% at 48 h. On the other hand, exposure to the non-polar extracts exhibited cell viability of 50-60% at all tested dilutions. For both cell lines, a significant concentration-dependent induction of cyp1a mRNA was observed after exposure to the different extracts from both sites. Interestingly, the extracts affected functional enzymes differently for both cell lines. For H4IIE cells, while EROD activity paralleled cyp1a mRNA expression patterns, MROD showed significant concentration-specific reduction in cells exposed to polar and water extracts. On the contrary, while the MROD activity paralleled cyp1a mRNA, EROD activity was significantly inhibited in PLHC-1 cells exposed to water-, polar and non-polar extracts from both sites. These observations paralleled sediments PAH contamination burden from the study sites as revealed by co-relation analysis. In conclusion, although the different extracts did not exert high cytotoxic effects (except the non-polar) at the tested concentrations, they significantly modulated phase I biotransformation responses, showing that the studied sediments contain complex chemical mixture in the different extracts, with potential for overt physiological and general health consequences.
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Affiliation(s)
- Elvira Mennillo
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Department of Veterinary Sciences, University of Pisa, San Piero a Grado (PI), 56122, Italy
| | - Aina O Adeogun
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway; Department of Zoology, University of Ibadan, Nigeria
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
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Mennillo E, Yang X, Paszek M, Auwerx J, Benner C, Chen S. NCoR1 Protects Mice From Dextran Sodium Sulfate-Induced Colitis by Guarding Colonic Crypt Cells From Luminal Insult. Cell Mol Gastroenterol Hepatol 2020; 10:133-147. [PMID: 32044398 PMCID: PMC7229481 DOI: 10.1016/j.jcmgh.2020.01.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Revised: 01/30/2020] [Accepted: 01/31/2020] [Indexed: 12/11/2022]
Abstract
BACKGROUND & AIMS Colonic stem cells are essential for producing the mucosal lining, which in turn protects stem cells from insult by luminal factors. Discovery of genetic and biochemical events that control stem cell proliferation and differentiation can be leveraged to decipher the causal factors of ulcerative colitis and aid the development of more effective therapy. METHODS We performed in vivo and in vitro studies from control (nuclear receptor corepressor 1 [NCoR1F/F]) and intestinal epithelial cell-specific NCoR1-deficient mice (NCoR1ΔIEC). Mice were challenged with dextran sodium sulfate to induce experimental ulcerative colitis, followed by colitis examination, barrier permeability analysis, cell proliferation immunostaining assays, and RNA sequencing analysis. By using crypt cultures, the organoid-forming efficiency, cell proliferation, apoptosis, and histone acetylation were analyzed after butyrate and/or tumor necrosis factor α treatments. RESULTS NCoR1ΔIEC mice showed a dramatic increase in disease severity in this colitis model, with suppression of proliferative cells at the crypt base as an early event and a concomitant increase in barrier permeability. Genome expression patterns showed an important role for NCoR1 in colonic stem cell proliferation and secretory cell differentiation. Colonic organoids cultured from NCoR1ΔIEC mice were more sensitive to butyrate-induced cell growth inhibition and apoptosis, which were exaggerated further by tumor necrosis factor α co-treatment, which was accompanied by increased histone acetylation. CONCLUSIONS NCoR1 regulates colonic stem cell proliferation and secretory cell differentiation. When NCoR1 is disrupted, barrier protection is weakened, allowing luminal products such as butyrate to penetrate and synergistically damage the colonic crypt cells. Transcript profiling: RNA sequencing data have been deposited in the GEO database, accession number: GSE136153.
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Affiliation(s)
- Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - Xiaojing Yang
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - Miles Paszek
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California
| | - Johan Auwerx
- Laboratory of Integrative and Systems Physiology, Institute of Bioengineering, Ecole Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Christopher Benner
- Department of Medicine, School of Medicine, University of California, San Diego, La Jolla, California
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California.
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Hansmann E, Mennillo E, Yoda E, Verreault M, Barbier O, Chen S, Tukey RH. Differential Role of Liver X Receptor (LXR) α and LXR β in the Regulation of UDP-Glucuronosyltransferase 1A1 in Humanized UGT1 Mice. Drug Metab Dispos 2020; 48:255-263. [PMID: 31980500 DOI: 10.1124/dmd.119.090068] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Accepted: 01/14/2020] [Indexed: 12/17/2022] Open
Abstract
Liver X receptors (LXRs), LXRα and LXRβ, are nuclear receptors that regulate the metabolism of cholesterol and bile acids and are activated by oxysterols. Humanized UGT1 (hUGT1) mice express the 9-human UGT1A genes associated with the UGT1 locus in a Ugt1-null background. The expression of UGT1A1 is developmentally delayed in the liver and intestines, resulting in the accumulation of serum bilirubin during the neonatal period. Induction of UGT1A1 in newborn hUGT1 mice leads to rapid reduction in total serum bilirubin (TSB) levels, a phenotype measurement that allows for an accurate prediction on UGT1A1 expression. When neonatal hUGT1 mice were treated by oral gavage with the LXR agonist T0901317, TSB levels were dramatically reduced. To determine the LXR contribution to the induction of UGT1A1 and the lowering of TSB levels, experiments were conducted in neonatal hUGT1/Lxrα -/- , hUGT1/Lxrβ -/- , and hUGT1/Lxrαβ -/- mice treated with T0901317. Induction of liver UGT1A1 was dependent upon LXRα, with the induction pattern paralleling induction of LXRα-specific stearoyl CoA desaturase 1. However, the actions of T0901317 were also shown to display a lack of specificity for LXR, with the induction of liver UGT1A1 in hUGT1/Lxrαβ -/- mice, a result associated with activation of both pregnane X receptor and constitutive androstane receptor. However, the LXR agonist GW3965 was highly selective toward LXRα, showing no impact on lowering TSB values or inducing UGT1A1 in hUGT1/Lxrα -/- mice. An LXR-specific enhancer site on the UGT1A1 gene was identified, along with convincing evidence that LXRα is crucial in maintaining constitutive expression of UGT1A1 in adult hUGT1 mice. SIGNIFICANCE STATEMENT: It has been established that activation of LXRα, and not LXRβ, is responsible for the induction of liver UGT1A1 and metabolism of serum bilirubin in neonatal hUGT1 mice. Although induction of the human UGT1A1 gene is initiated at a newly characterized LXR enhancer site, allelic deletion of the Lxrα gene drastically reduces the constitutive expression of liver UGT1A1 in adult hUGT1 mice. Combined, these findings indicate that LXRα is critical for the developmental expression of UGT1A1.
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Affiliation(s)
- Eva Hansmann
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Elvira Mennillo
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Emiko Yoda
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Mélanie Verreault
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Olivier Barbier
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Shujuan Chen
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
| | - Robert H Tukey
- Laboratory of Environmental Toxicology, Department of Pharmacology, University of California, San Diego, La Jolla, California (E.H., E.M., E.Y., S.C., R.H.T.); Division of Health Chemistry, Department of Healthcare and Regulatory Sciences, School of Pharmacy, Showa University, Shinagawa-ku, Tokyo, Japan (E.Y.); and Laboratory of Moléculaire Pharmacology, Centre de Recherche du CHU de Québec, Faculté of Pharmacie, Université Laval Québec, Québec, Canada (M.V., O.B.)
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18
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Mennillo E, Cappelli F, Arukwe A. Biotransformation and oxidative stress responses in rat hepatic cell-line (H4IIE) exposed to organophosphate esters (OPEs). Toxicol Appl Pharmacol 2019; 371:84-94. [PMID: 30974155 DOI: 10.1016/j.taap.2019.04.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/26/2019] [Accepted: 04/05/2019] [Indexed: 01/10/2023]
Abstract
Organophosphate esters (OPEs) are frequently used as replacements for the banned polybrominated diphenyl ether (PBDEs). Since OPEs are structurally similar to organophosphate pesticides, exposure and toxicity of these compounds is of significant societal and scientific interest. Cytotoxicity (MTT), biotransformation (cyp1a1) and oxidative stress responses (gpx1, gr, gsta2, cat) were investigated in H4IIE cells exposed for 48 h to four different OPEs (tributyl phosphate (TBP), tris(2-butoxyethyl) phosphate (TBOEP), tris-(2-chloroethyl) phosphate (TCEP) and triphenyl phosphate (TPP)). MTT assay revealed a dose-dependent decrease of cell viability following exposure to TBP, TBOEP, TCEP and TPP. Cells treated with TBP and TBOEP exhibited significant increase of cyp1a1 at the highest tested concentration, at transcriptional and enzymatic (MROD) levels. Significant increases of oxidative stress markers were observed after exposure to TBP and TBOEP. On the other hand, cells treated with TCEP and TPP showed opposite trends between cyp1a1 mRNA and enzymatic activities. Furthermore, exposure to TCEP increased gst and cat especially at the highest concentration tested, whereas TPP produced significant changes only for gr and cat at the highest concentration. In conclusion, OPEs produced compound and concentration-specific effects on biotransformation and oxidative stress processes. Overall, our results suggest the participation of multiple mechanisms of detoxification in defense of OPEs exposure with different modes of action depending on their chemical structure.
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Affiliation(s)
- Elvira Mennillo
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado (PI) 56122, Italy; Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Francesca Cappelli
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
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19
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Chen S, Rettenmeier E, Mennillo E, Chen C. Intestinal NCoR1 Protects against Dextran Sodium Sulfate‐Induced Ulcerative Colitis. FASEB J 2019. [DOI: 10.1096/fasebj.2019.33.1_supplement.764.6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Shujuan Chen
- Department of PharmacologyUniversity of California, San DiegoLa JollaCA
| | - Eva Rettenmeier
- Department of PharmacologyUniversity of California, San DiegoLa JollaCA
| | - Elvira Mennillo
- Department of PharmacologyUniversity of California, San DiegoLa JollaCA
| | - Chen Chen
- Department of PharmacologyUniversity of California, San DiegoLa JollaCA
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20
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Natoli L, Luci G, Mennillo E, Adeogun AO, Arukwe A. Assessing the effects of Awba dam sediment (Nigeria) on the steroidogenesis of H295R cells using different extraction methods. Sci Total Environ 2019; 650:121-131. [PMID: 30196212 DOI: 10.1016/j.scitotenv.2018.08.409] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2018] [Revised: 08/26/2018] [Accepted: 08/28/2018] [Indexed: 06/08/2023]
Abstract
In the present study, H295R human cells were used to investigate the endocrine disruptor potential of three different sediments extracts taken from a Nigerian tropical freshwater dam (Awba Dam), using three extraction methods that allowed a selective consideration of contaminants based on their binding affinity, which is mainly driven by polarity, to sediment particles. After exposure to different concentration of each extract, H295R cells were evaluated for the expression profiles of 10 steroidogenic enzyme genes and estradiol (E2) and testosterone (T) levels. Our results showed a comparable concentrated-related increase in the expression of 17β-hsd1, 3β-hsd2 and cyp21 in cells treated with the polar and non-polar extracts. The star, hmgr, cyp11b2 and 17β-hsd4 were slightly decreased, in an apparent concentration-specific manner, after treatment with the polar extract and decreased in the non-polar treatment. The cyp11a and cyp17 showed an opposite trend in the polar and non-polar treatments. E2 was significantly higher in cell treated with the non-polar extract. Elutriate exposure produced less pronounced variation in mRNA and hormones levels. Overall the extract with non-polar compounds produced the most severe effects in H295R cells. Thus, direct ingestion of detritus and mud from fishes and other benthonic organisms represent possible transfer of contaminants in the trophic web, and mainly account for alteration of the endocrine system previously observed in fish from the same study site.
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Affiliation(s)
- Luigi Natoli
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, N-7491 Trondheim, Norway
| | - Giacomo Luci
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, N-7491 Trondheim, Norway
| | - Elvira Mennillo
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, N-7491 Trondheim, Norway
| | - Aina O Adeogun
- Department of Zoology, University of Ibadan, Ibadan, Nigeria
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Høgskoleringen 5, N-7491 Trondheim, Norway.
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21
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Mennillo E, Maruo Y, Nguyen N, Thérien A, Chen S, Barbier O, Tukey RH. Generation of an Adult Hyperbilirubinemia Model in Liver‐specific Humanized
UGT1A1*6
Mice. FASEB J 2018. [DOI: 10.1096/fasebj.2018.32.1_supplement.563.9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Elvira Mennillo
- Laboratory of Environmental ToxicologyDepartment of PharmacologyUniversity of California San DiegoSan DiegoCA
| | - Yoshihiro Maruo
- Department of PediatricsShiga University of Medical ScienceOtsuShigaJapan
| | - Nghia Nguyen
- Laboratory of Environmental ToxicologyDepartment of PharmacologyUniversity of California San DiegoSan DiegoCA
| | - Ariane Thérien
- Laboratory of Molecular PharmacologyUniversité Laval and the Faculty of MedicineQuébecQCCanada
| | - Shujuan Chen
- Laboratory of Environmental ToxicologyDepartment of PharmacologyUniversity of California San DiegoSan DiegoCA
| | - Olivier Barbier
- Laboratory of Molecular PharmacologyUniversité Laval and the Faculty of MedicineQuébecQCCanada
| | - Robert H. Tukey
- Laboratory of Environmental ToxicologyDepartment of PharmacologyUniversity of California San DiegoSan DiegoCA
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22
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Mennillo E, Krøkje Å, Pretti C, Meucci V, Arukwe A. Biotransformation and oxidative stress responses in rat hepatic cell-line (H4IIE) exposed to racemic ketoprofen (RS-KP) and its enantiomer, dexketoprofen (S(+)-KP). Environ Toxicol Pharmacol 2018; 59:199-207. [PMID: 29626791 DOI: 10.1016/j.etap.2018.03.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 03/15/2018] [Accepted: 03/26/2018] [Indexed: 06/08/2023]
Abstract
Pharmaceuticals such as racemate ketoprofen (RS-KP) and its enantiomer, dexketoprofen (S(+)-KP) are highly detectable non-steroidal anti-inflammatory drugs (NSAIDs) in the aquatic environment and therefore are designated as one of the most emerging groups of pollutants that can affect environmental and human health. The potential impact of these pharmaceuticals was assessed for the first time in vitro using a rat hepatocellular carcinoma cell line (H4IIE). Cells were exposed to low and high concentrations of these drugs. Cytotoxicity was determined by MTT reduction assay; CYP1A1 transcriptional and enzymatic levels together with canonical oxidative stress responsive markers (GPx, GR, GST and CAT) were also investigated. Cells exposed to RS-KP and S(+)-KP did not show cytotoxicity effect at the concentrations tested. However, this study highlighted differences between RS-KP and S(+)-KP in most of the evaluated markers, showing compound-, concentration- and time-specific effect patterns which suggest a potential stereo-selective toxicity of these drugs.
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Affiliation(s)
- Elvira Mennillo
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado (PI), 56122, Italy; Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway.
| | - Åse Krøkje
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado (PI), 56122, Italy; Interuniversitary Center of Marine Biology (CIBM) "G. Bacci", Leghorn, 57128, Italy
| | - Valentina Meucci
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado (PI), 56122, Italy
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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23
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Oliva M, Mennillo E, Barbaglia M, Monni G, Tardelli F, Casu V, Pretti C. The serpulid Ficopomatus enigmaticus () as candidate organisms for ecotoxicological assays in brackish and marine waters. Ecotoxicol Environ Saf 2018; 148:1096-1103. [PMID: 26598046 DOI: 10.1016/j.ecoenv.2015.10.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Revised: 10/07/2015] [Accepted: 10/08/2015] [Indexed: 06/05/2023]
Abstract
Ficopomatus enigmaticus is an ubiquitous fouling reef-forming species, easy to sample and recognize, diecious with gamete spawning along different seasons in different salinity conditions. Due to its characteristics it could become a good candidate for the monitoring of both marine and brackish waters. The suitability of F. enigmaticus as a promising model organism in ecotoxicological bioassays was evaluated by a sperm toxicity and a larval development assay. The fertilization rate in different salinity conditions (range 5-35‰) was first assessed in order to detect the salinity threshold within which profitably perform the assays. Afterward copper (Cu2+), cadmium (Cd2+), sodium dodecyl sulfate (SDS) and 4-n-nonylphenol (NP) were used as reference toxicants in exposure experiments with spermatozoids (sperm toxicity assay) and zygotes (larval development assay). A dose-response effect was obtained for all tested toxicants along all salinity conditions except for 5‰ salinity condition where a too low (<30%) fertilization rate was observed. NP showed the highest degree of toxicity both in sperm toxicity and larval development assay. In some cases the results, expressed as EC50 values at 35‰ salinity condition, were similar to those observed in the literature for marine organisms such as the sea urchin (Paracentrotus lividus) and the marine serpulid Hydroides elegans, while the exposure of F. enigmaticus spermatozoids' to Cd2+ and NP resulted in toxicity effects several orders of magnitude higher than observed in P. lividus. Spermatozoids resulted to be slightly more sensitive then zygotes to all different toxicants.
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Affiliation(s)
- Matteo Oliva
- Department of Veterinary Sciences, University of Pisa, Italy; Interuniversitary Consortium of Marine Biology of Leghorn "G. Bacci", Italy
| | - Elvira Mennillo
- Department of Veterinary Sciences, University of Pisa, Italy
| | | | | | | | - Valentina Casu
- Department of Veterinary Sciences, University of Pisa, Italy
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, Italy; Interuniversitary Consortium of Marine Biology of Leghorn "G. Bacci", Italy.
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24
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Mennillo E, Arukwe A, Monni G, Meucci V, Intorre L, Pretti C. Ecotoxicological properties of ketoprofen and the S(+)-enantiomer (dexketoprofen): Bioassays in freshwater model species and biomarkers in fish PLHC-1 cell line. Environ Toxicol Chem 2018; 37:201-212. [PMID: 28796322 DOI: 10.1002/etc.3943] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 04/21/2017] [Accepted: 08/08/2017] [Indexed: 06/07/2023]
Abstract
The increased use of nonsteroidal anti-inflammatory drugs (NSAIDs) has resulted in their ubiquitous presence in the environment. The toxicological properties of these 2 widely prescribed NSAIDs, namely racemic ketoprofen and its enantiomer S(+)-ketoprofen (dexketoprofen), were evaluated, firstly, by acute and chronic toxicity tests using 3 representative model organisms (Vibrio fischeri, Pseudokirchneriella subcapitata, and Ceriodaphnia dubia) and, secondly, by evaluating the responses of biotransformation systems and multidrug resistance-associated proteins (MRP1/MRP2) using the Poeciliopsis lucida hepatocellular carcinoma 1 (PLHC-1) fish hepatic cell line. Toxicity data from both acute and chronic dexketoprofen exposure indicated higher sensitivity through inhibition of bioluminescence and algal growth and through increased mortality/immobilization compared to racemic ketoprofen exposure. The growth inhibition test showed that racemic ketoprofen and dexketoprofen exhibited different effect concentration values (240.2 and 65.6 μg/L, respectively). Furthermore, racemic ketoprofen and dexketoprofen did not exert cytotoxic effects in PLHC-1 cells and produced compound-, time-, and concentration-specific differential effects on cytochrome P450 1A (CYP1A) and glutathione S-transferase levels. For CYP1A, the effects of racemic ketoprofen and dexketoprofen differed at the transcriptional and catalytic levels. Exposure to racemic ketoprofen and dexketoprofen modulated MRP1 and MRP2 mRNA levels, and these effects were also dependent on compound, exposure time, and concentration of the individual drug. The present study revealed for the first time the interactions between these NSAIDs and key detoxification systems and different sensitivity to the racemic mixture compared to its enantiomer. Environ Toxicol Chem 2018;37:201-212. © 2017 SETAC.
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Affiliation(s)
- Elvira Mennillo
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Italy
| | - Augustine Arukwe
- Department of Biology, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Gianfranca Monni
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Italy
| | - Valentina Meucci
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Italy
| | - Luigi Intorre
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Italy
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, Italy
- Interuniversity Center of Marine Biology (CIBM) "G. Bacci," Livorno, Italy
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25
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Mennillo E, Casu V, Tardelli F, De Marchi L, Freitas R, Pretti C. Suitability of cholinesterase of polychaete Diopatra neapolitana as biomarker of exposure to pesticides: In vitro characterization. Comp Biochem Physiol C Toxicol Pharmacol 2017; 191:152-159. [PMID: 27777085 DOI: 10.1016/j.cbpc.2016.10.007] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 10/17/2016] [Accepted: 10/19/2016] [Indexed: 10/20/2022]
Abstract
Cholinesterases of Diopatra neapolitana were characterized for their activity in whole body and different body segments (apical, intermediate, posterior), substrate affinity (acetyl-, butyryl-, propionylthiocholine), kinetic parameters (Km and Vmax) and in vitro response to model inhibitors (eserine hemisulfate, isoOMPA, BW284C51) and carbamates (carbofuran, methomyl, aldicarb and carbaryl). Results showed that the rate of hydrolysis for acetyl- and propionylthiocholine was higher in the posterior segment than the apical/intermediate segments and whole body. Cholinesterases of D. neapolitana showed a substrate preference for acetylthiocholine followed by propionylthiocholine; butyrylthioline was poorly hydrolyzed indicating, together with the absence of inhibition by the specific inhibitor and the absence of reactive bands in native electrophoresis, a lack of an active butyrylcholinesterase, differently than that observed in other Annelida species. The degree of inhibition by selected carbamates of cholinesterase activity with propionylthiocholine as substrate was higher than that observed with ATChI-ChE activity; aldicarb showed the highest inhibitory effect.
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Affiliation(s)
- Elvira Mennillo
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, PI 56122, Italy
| | - Valentina Casu
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, PI 56122, Italy
| | - Federica Tardelli
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, PI 56122, Italy
| | - Lucia De Marchi
- Departamento de Biologia & CESAM, University of Aveiro 3810-193, Portugal
| | - Rosa Freitas
- Departamento de Biologia & CESAM, University of Aveiro 3810-193, Portugal
| | - Carlo Pretti
- Department of Veterinary Sciences, University of Pisa, San Piero a Grado, PI 56122, Italy; Interuniversitary Center of Marine Biology (CIBM) "G. Bacci", Leghorn 57128, Italy.
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26
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Martinelli E, Del Moro I, Galli G, Barbaglia M, Bibbiani C, Mennillo E, Oliva M, Pretti C, Antonioli D, Laus M. Photopolymerized Network Polysiloxane Films with Dangling Hydrophilic/Hydrophobic Chains for the Biofouling Release of Invasive Marine Serpulid Ficopomatus enigmaticus. ACS Appl Mater Interfaces 2015; 7:8293-8301. [PMID: 25835588 DOI: 10.1021/acsami.5b01522] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Novel photopolymerized network films based on a polysiloxane matrix containing varied amounts of polyoxyethylene (P3) or perfluorohexylethyl (F) dangling side chains were investigated. For films containing less than 10 wt % P3 and F, the wettability and elastic modulus were similar to those of the photopolymerized network matrix. However, angle-resolved X-ray photoelectron spectroscopy measurements proved that the surface of films with F dangling chains was highly enriched in fluorine depending on both the amount of P3 and F and their relative ratio in the films. The biological performance of the films was evaluated against a new widespread and invasive marine biofoulant, the serpulid Ficopomatus enigmaticus. The diatom Navicula salinicola was also assayed as a conventional model organism for comparison. Films richer in P3 better resisted the settlement and promoted the release of calcified tubeworms of F. enigmaticus.
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Affiliation(s)
- Elisa Martinelli
- †Dipartimento di Chimica e Chimica Industriale and UdR Pisa INSTM, Università di Pisa, 56124 Pisa, Italy
| | - Ilaria Del Moro
- †Dipartimento di Chimica e Chimica Industriale and UdR Pisa INSTM, Università di Pisa, 56124 Pisa, Italy
| | - Giancarlo Galli
- †Dipartimento di Chimica e Chimica Industriale and UdR Pisa INSTM, Università di Pisa, 56124 Pisa, Italy
| | - Martina Barbaglia
- ‡Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy
| | - Carlo Bibbiani
- ‡Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy
| | - Elvira Mennillo
- ‡Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy
| | - Matteo Oliva
- ‡Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy
| | - Carlo Pretti
- ‡Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy
| | - Diego Antonioli
- §Dipartimento di Scienze ed Innovazione Tecnologica, Università del Piemonte Orientale, 15100 Alessandria, Italy
| | - Michele Laus
- §Dipartimento di Scienze ed Innovazione Tecnologica, Università del Piemonte Orientale, 15100 Alessandria, Italy
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27
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Pretti C, Oliva M, Mennillo E, Barbaglia M, Funel M, Reddy Yasani B, Martinelli E, Galli G. An ecotoxicological study on tin- and bismuth-catalysed PDMS based coatings containing a surface-active polymer. Ecotoxicol Environ Saf 2013; 98:250-256. [PMID: 24125869 DOI: 10.1016/j.ecoenv.2013.07.023] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2013] [Revised: 07/18/2013] [Accepted: 07/22/2013] [Indexed: 06/02/2023]
Abstract
Novel films were prepared by condensation curing reaction of a poly(dimethyl siloxane) (PDMS) matrix with bismuth neodecanoate and dibutyltin diacetate catalysts. An ecotoxicological study was performed on the leachates of the coatings using the bacterium Vibrio fischeri, the unicellular alga Dunaliella tertiolecta, the crustacean Artemia salina and the fish Sparus aurata (larvae) as testing organisms. A copper-based self-polishing commercial paint was also tested as reference. The results showed that the tin-catalysed coatings and the copper paint were highly toxic against at least two of the four test organisms, whereas bismuth-catalysed coatings did not show any toxic effect. Moreover, the same biological assessment was also carried out on PDMS coatings containing a surface-active fluorinated polymer. The toxicity of the entire polymeric system resulted only from the tin catalyst used for the condensation curing reaction, as the bismuth catalysed coatings incorporating the surface-active polymer remained atoxic toward all the tested organisms.
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Affiliation(s)
- Carlo Pretti
- Dipartimento di Scienze Veterinarie, Università di Pisa, 56126 Pisa, Italy.
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