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Wang Y, Chen H, Wang Y, Zhang H, Weng Q, Liu Y, Xu M. Seasonal changes in vitamin A metabolism-related factors in the oviduct of Chinese brown frog (Rana dybowskii). J Steroid Biochem Mol Biol 2024; 243:106583. [PMID: 38992392 DOI: 10.1016/j.jsbmb.2024.106583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Revised: 07/06/2024] [Accepted: 07/09/2024] [Indexed: 07/13/2024]
Abstract
The oviduct of the Chinese brown frog (Rana dybowskii) expands during pre-brumation rather than the breeding period, exhibiting a special physiological feature. Vitamin A is essential for the proper growth and development of many organisms, including the reproductive system such as ovary and oviduct. Vitamin A is metabolized into retinoic acid, which is crucial for oviduct formation. This study examined the relationship between oviducal expansion and vitamin A metabolism. We observed a significant increase in the weight and diameter of the oviduct in Rana dybowskii during pre-brumation. Vitamin A and its active metabolite, retinoic acid, notably increased during pre-brumation. The mRNA levels of retinol binding protein 4 (rbp4) and its receptor stra6 gene, involved in vitamin A transport, were elevated during pre-brumation compared to the breeding period. In the vitamin A metabolic pathway, the mRNA expression level of retinoic acid synthase aldh1a2 decreased significantly during pre-brumation, while the mRNA levels of retinoic acid α receptor (rarα) and the retinoic acid catabolic enzyme cyp26a1 increased significantly during pre-brumation, but not during the breeding period. Immunohistochemical results showed that Rbp4, Stra6, Aldh1a2, Rarα, and Cyp26a1 were expressed in ampulla region of the oviduct. Western blot results indicated that Aldh1a2 expression was lower, while Rbp4, Stra6, RARα, and Cyp26a1 were higher during pre-brumation compared to the breeding period. Transcriptome analyses further identified differential genes in the oviduct and found enrichment of differential genes in the vitamin A metabolism pathway, providing evidences for our study. These results suggest that the vitamin A metabolic pathway is more active during pre-brumation compared to the breeding period, and retinoic acid may regulate pre-brumation oviductal expansion through Rarα-mediated autocrine/paracrine modulation.
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Affiliation(s)
- Yankun Wang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Haohan Chen
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Yawei Wang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Haolin Zhang
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Qiang Weng
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Yuning Liu
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
| | - Meiyu Xu
- College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China.
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2
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Jimenez-Leon MR, Gasca-Capote C, Roca-Oporto C, Espinosa N, Sobrino S, Fontillon-Alberdi M, Gao C, Roseto I, Gladkov G, Rivas-Jeremias I, Neukam K, Sanchez-Hernandez JG, Rigo-Bonnin R, Cervera-Barajas AJ, Mesones R, García F, Alvarez-Rios AI, Bachiller S, Vitalle J, Perez-Gomez A, Camacho-Sojo MI, Gallego I, Brander C, McGowan I, Mothe B, Viciana P, Yu X, Lichterfeld M, Lopez-Cortes LF, Ruiz-Mateos E. Vedolizumab and ART in recent HIV-1 infection unveil the role of α4β7 in reservoir size. JCI Insight 2024; 9:e182312. [PMID: 38980725 PMCID: PMC11343594 DOI: 10.1172/jci.insight.182312] [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: 04/23/2024] [Accepted: 07/03/2024] [Indexed: 07/11/2024] Open
Abstract
BACKGROUNDWe evaluated the safety and viral rebound, after analytical treatment interruption (ATI), of vedolizumab and ART in recent HIV-1 infection. We used this model to analyze the effect of α4β7 on the HIV-1 reservoir size.METHODSParticipants started ART with monthly vedolizumab infusions, and ATI was performed at week 24. Biopsies were obtained from ileum and cecum at baseline and week 24. Vedolizumab levels, HIV-1 reservoir, flow cytometry, and cell-sorting and antibody competition experiments were assayed.RESULTSVedolizumab was safe and well tolerated. No participant achieved undetectable viremia off ART 24 weeks after ATI. Only a modest effect on the time to achieve more than 1,000 HIV-1 RNA copies/mL and the proportion of participants off ART was observed, being higher in the vedolizumab group compared with historical controls. Just before ATI, α4β7 expression was associated with HIV-1 DNA and RNA in peripheral blood and with PD1 and TIGIT levels. Importantly, a complete blocking of α4β7 was observed on peripheral CD4+ T cells but not in gut (ileum and cecum), where α4β7 blockade and vedolizumab levels were inversely associated with HIV-1 DNA.CONCLUSIONOur findings support α4β7 as an important determinant in HIV-1 reservoir size, suggesting the complete α4β7 blockade in tissue as a promising tool for HIV-cure combination strategies.TRIAL REGISTRATIONClinicalTrials.gov NCT03577782.FUNDINGThis work was supported by the Instituto de Salud Carlos III (Fondo Europeo de Desarrollo Regional, "a way to make Europe," research contracts FI17/00186 and FI19/00083 and research projects PI18/01532, PI19/01127, PI22/01796), Conserjería de Economía, Conocimiento, Empresas y Universidad, Junta de Andalucía (research projects P20/00906), the Red Temática de Investigación Cooperativa en SIDA (RD16/0025/0020), and the Spanish National Research Council.
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Affiliation(s)
- Maria Reyes Jimenez-Leon
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Carmen Gasca-Capote
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Cristina Roca-Oporto
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Nuria Espinosa
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | | | | | - Ce Gao
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Isabelle Roseto
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Gregory Gladkov
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Inmaculada Rivas-Jeremias
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Karin Neukam
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | | | - Raul Rigo-Bonnin
- Department of Clinical Laboratory, Hospital Universitari de Bellvitge, Instituto de Investigación Biomédica de Bellvitge, Universitat de Barcelona, Barcelona, Spain
| | | | - Rosario Mesones
- Clinical Trials Units, Virgen del Rocío University Hospital, Seville, Spain
| | - Federico García
- Departament of Microbiology, San Cecilio University Hospital, Instituto de Investigación Ibs, Granada, Ciber de Enfermedades Infecciosas, Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Granada, Spain
| | | | - Sara Bachiller
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Joana Vitalle
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Alberto Perez-Gomez
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - María Inés Camacho-Sojo
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Isabel Gallego
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | | | | | - Beatriz Mothe
- Infectious Diseases Department and IrsiCaixa AIDS Research Institute, Hospital Germans Trias I Pujol, Badalona, Spain
- Centro de Investigación Biomédica en Red de Enfermedades Infecciosas, Spain
| | - Pompeyo Viciana
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Xu Yu
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Mathias Lichterfeld
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts, USA
- Infectious Disease Division, Brigham and Women’s Hospital, Boston, Massachusetts, USA
| | - Luis F. Lopez-Cortes
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
| | - Ezequiel Ruiz-Mateos
- Institute of Biomedicine of Seville, Virgen del Rocío University Hospital, Consejo Superior de Investigaciones Científicas, University of Seville, Clinical Unit of Infectious Diseases, Microbiology and Parasitology, Seville, Spain
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Zhao Y, Vary JC, Yadav AS, Czuba LC, Shum S, LaFrance J, Huang W, Isoherranen N, Hebert MF. Effect of isotretinoin on CYP2D6 and CYP3A activity in patients with severe acne. Br J Clin Pharmacol 2024; 90:759-768. [PMID: 37864393 PMCID: PMC10922942 DOI: 10.1111/bcp.15938] [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: 07/20/2023] [Revised: 10/11/2023] [Accepted: 10/13/2023] [Indexed: 10/22/2023] Open
Abstract
AIMS Previously, retinoids have decreased CYP2D6 mRNA expression in vitro and induced CYP3A4 in vitro and in vivo. This study aimed to determine whether isotretinoin administration changes CYP2D6 and CYP3A activities in patients with severe acne. METHODS Thirty-three patients (22 females and 11 males, 23.5 ± 6.0 years old) expected to receive isotretinoin treatment completed the study. All participants were genotyped for CYP2D6 and CYP3A5. Participants received dextromethorphan (DM) 30 mg orally as a dual-probe substrate of CYP2D6 and CYP3A activity at two study timepoints: pre-isotretinoin treatment and with isotretinoin for at least 1 week. The concentrations of isotretinoin, DM and their metabolites were measured in 2-h postdose plasma samples and in cumulative 0-4-h urine collections using liquid chromatography-mass spectrometry. RESULTS In CYP2D6 extensive metabolizers, the urinary dextrorphan (DX)/DM metabolic ratio (MR) (CYP2D6 activity marker) was numerically, but not significantly, lower with isotretinoin administration compared to pre-isotretinoin (geometric mean ratio [GMR] [90% confidence interval (CI)] 0.78 [0.55, 1.11]). The urinary 3-hydroxymorphinan (3HM)/DX MR (CYP3A activity marker) was increased (GMR 1.18 [1.03, 1.35]) and the urinary DX-O-glucuronide/DX MR (proposed UGT2B marker) was increased (GMR 1.22 [1.06, 1.39]) with isotretinoin administration compared to pre-isotretinoin. CONCLUSIONS Administration of isotretinoin did not significantly reduce CYP2D6 activity in extensive metabolizers, suggesting that the predicted downregulation of CYP2D6 based on in vitro data does not translate into humans. We observed a modest increase in CYP3A activity (predominantly CYP3A4) with isotretinoin treatment. The data also suggest that DX glucuronidation is increased following isotretinoin administration.
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Affiliation(s)
- Yuqian Zhao
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Jay C. Vary
- Department of Medicine, Division of Dermatology, University of Washington, School of Medicine, Seattle, Washington, USA
| | - Aprajita S. Yadav
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Lindsay C. Czuba
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Sara Shum
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Jeffrey LaFrance
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Weize Huang
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Nina Isoherranen
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
- Milo Gibaldi Endowed Chair of Pharmaceutics, Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, USA
| | - Mary F. Hebert
- Department of Pharmacy, University of Washington, School of Pharmacy, Seattle, Washington, USA
- Department of Obstetrics and Gynecology, University of Washington, School of Medicine, Seattle, Washington, USA
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4
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Alessio N, Aprile D, Peluso G, Mazzone V, Patrone D, Di Bernardo G, Galderisi U. IGFBP5 is released by senescent cells and is internalized by healthy cells, promoting their senescence through interaction with retinoic receptors. Cell Commun Signal 2024; 22:122. [PMID: 38351010 PMCID: PMC10863175 DOI: 10.1186/s12964-024-01469-1] [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: 09/21/2023] [Accepted: 01/02/2024] [Indexed: 02/16/2024] Open
Abstract
Cells that are exposed to harmful genetic damage, either from internal or external sources, may undergo senescence if they are unable to repair their DNA. Senescence, characterized by a state of irreversible growth arrest, can spread to neighboring cells through a process known as the senescence-associated secretory phenotype (SASP). This phenomenon contributes to both aging and the development of cancer. The SASP comprises a variety of factors that regulate numerous functions, including the induction of secondary senescence, modulation of immune system activity, remodeling of the extracellular matrix, alteration of tissue structure, and promotion of cancer progression. Identifying key factors within the SASP is crucial for understanding the underlying mechanisms of senescence and developing effective strategies to counteract cellular senescence. Our research has specifically focused on investigating the role of IGFBP5, a component of the SASP observed in various experimental models and conditions.Through our studies, we have demonstrated that IGFBP5 actively contributes to promoting senescence and can induce senescence in neighboring cells. We have gained valuable insights into the mechanisms through which IGFBP5 exerts its pro-senescence effects. These mechanisms include its release following genotoxic stress, involvement in signaling pathways mediated by reactive oxygen species and prostaglandins, internalization via specialized structures called caveolae, and interaction with a specific protein known as RARα. By uncovering these mechanisms, we have advanced our understanding of the intricate role of IGFBP5 in the senescence process. The significance of IGFBP5 as a pro-aging factor stems from an in vivo study we conducted on patients undergoing Computer Tomography analysis. In these patients, we observed an elevation in circulating IGFBP5 levels in response to radiation-induced organismal stress.Globally, our findings highlight the potential of IGFBP5 as a promising therapeutic target for age-related diseases and cancer.
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Affiliation(s)
- Nicola Alessio
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy
| | - Domenico Aprile
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy
| | | | - Valeria Mazzone
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy
| | - Deanira Patrone
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy
| | - Giovanni Di Bernardo
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy.
| | - Umberto Galderisi
- Department of Experimental Medicine, Luigi Vanvitelli Campania University, via Luigi De Crecchio 7, Naples, 80138, Italy.
- Genome and Stem Cell Center (GENKÖK), Erciyes University, Kayseri, Turkey.
- Center for Biotechnology, Sbarro Institute for Cancer Research and Molecular Medicine Temple University, PA, Philadelphia, USA.
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5
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Bohn T, de Lera AR, Landrier JF, Rühl R. Carotenoid metabolites, their tissue and blood concentrations in humans and further bioactivity via retinoid receptor-mediated signalling. Nutr Res Rev 2023; 36:498-511. [PMID: 36380523 DOI: 10.1017/s095442242200021x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Many epidemiological studies have emphasised the relation between carotenoid dietary intake and their circulating concentrations and beneficial health effects, such as lower risk of cardiometabolic diseases and cancer. However, there is dispute as to whether the attributed health benefits are due to native carotenoids or whether they are instead induced by their metabolites. Several categories of metabolites have been reported, most notably involving (a) modifications at the cyclohexenyl ring or the polyene chain, such as epoxides and geometric isomers, (b) excentric cleavage metabolites with alcohol-, aldehyde- or carboxylic acid-functional groups or (c) centric cleaved metabolites with additional hydroxyl, aldehyde or carboxyl functionalities, not counting their potential phase-II glucuronidated / sulphated derivatives. Of special interest are the apo-carotenoids, which originate in the intestine and other tissues from carotenoid cleavage by β-carotene oxygenases 1/2 in a symmetrical / non-symmetrical fashion. These are more water soluble and more electrophilic and, therefore, putative candidates for interactions with transcription factors such as NF-kB and Nrf2, as well as ligands for RAR-RXR nuclear receptor interactions. In this review, we discuss in vivo detected apo-carotenoids, their reported tissue concentrations, and potential associated health effects, focusing exclusively on the human situation and based on quantified / semi-quantified carotenoid metabolites proven to be present in humans.
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Affiliation(s)
- Torsten Bohn
- Nutrition and Health Research Group, Precision Health Department, Luxembourg Institute of Health, 1 A-B, rue Thomas Edison, L-1445, Strassen, Luxembourg
| | - Angel R de Lera
- Departmento de Química Orgánica, Facultade de Química, CINBIO and IBIV, Universidade de Vigo, 36310 Vigo, Spain
| | | | - Ralph Rühl
- CISCAREX UG, Berlin, Germany
- Paprika Bioanalytics BT, Debrecen, Hungary
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6
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Zhang L, Tang R, Wu Y, Liang Z, Liu J, Pi J, Zhang H. The Role and Mechanism of Retinol and Its Transformation Product, Retinoic Acid, in Modulating Oxidative Stress-Induced Damage to the Duck Intestinal Epithelial Barrier In Vitro. Animals (Basel) 2023; 13:3098. [PMID: 37835704 PMCID: PMC10572057 DOI: 10.3390/ani13193098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 09/24/2023] [Accepted: 09/28/2023] [Indexed: 10/15/2023] Open
Abstract
This study aimed to investigate the effects and mechanisms of retinol and retinoic acid on primary duck intestinal epithelial cells under oxidative stress induced by H2O2. Different ratios of retinol and retinoic acid were used for treatment. The study evaluated the cell morphology, viability, antioxidative capacity, and barrier function of cells. The expression of genes related to oxidative stress and the intestinal barrier was analyzed. The main findings demonstrated that the treated duck intestinal epithelial cells exhibited increased viability, increased antioxidative capacity, and improved intestinal barrier function compared to the control group. High retinoic acid treatment improved viability and gene expression, while high retinol increased antioxidative indicators and promoted intestinal barrier repair. Transcriptome analysis revealed the effects of treatments on cytokine interactions, retinol metabolism, PPAR signaling, and cell adhesion. In conclusion, this study highlights the potential of retinol and retinoic acid in protecting and improving intestinal cell health under oxidative stress, providing valuable insights for future research.
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Affiliation(s)
- Li Zhang
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China;
| | - Rui Tang
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China;
| | - Yan Wu
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
| | - Zhenhua Liang
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
| | - Jingbo Liu
- School of Life Science and Engineering, Southwest University of Science and Technology, Mianyang 621010, China;
| | - Jinsong Pi
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
| | - Hao Zhang
- Institute of Animal Husbandry and Veterinary Science, Hubei Academy of Agricultural Sciences, Wuhan 430064, China; (L.Z.); (R.T.); (Y.W.); (Z.L.); (J.P.)
- Hubei Key Laboratory of Animal Embryo Engineering and Molecular Breeding, Wuhan 430064, China
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7
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Yoo HS, Moss KO, Cockrum MA, Woo W, Napoli JL. Energy status regulates levels of the RAR/RXR ligand 9-cis-retinoic acid in mammalian tissues: Glucose reduces its synthesis in β-cells. J Biol Chem 2023; 299:105255. [PMID: 37714463 PMCID: PMC10582780 DOI: 10.1016/j.jbc.2023.105255] [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: 08/05/2023] [Revised: 09/01/2023] [Accepted: 09/10/2023] [Indexed: 09/17/2023] Open
Abstract
9-cis-retinoic acid (9cRA) binds retinoic acid receptors (RAR) and retinoid X receptors (RXR) with nanomolar affinities, in contrast to all-trans-retinoic acid (atRA), which binds only RAR with nanomolar affinities. RXR heterodimerize with type II nuclear receptors, including RAR, to regulate a vast gene array. Despite much effort, 9cRA has not been identified as an endogenous retinoid, other than in pancreas. By revising tissue analysis methods, 9cRA quantification by liquid chromatography-tandem mass spectrometry becomes possible in all mouse tissues analyzed. 9cRA occurs in concentrations similar to or greater than atRA. Fasting increases 9cRA in white and brown adipose, brain and pancreas, while increasing atRA in white adipose, liver and pancreas. 9cRA supports FoxO1 actions in pancreas β-cells and counteracts glucose actions that lead to glucotoxicity; in part by inducing Atg7 mRNA, which encodes the key enzyme essential for autophagy. Glucose suppresses 9cRA biosynthesis in the β-cell lines 832/13 and MIN6. Glucose reduces 9cRA biosynthesis in 832/13 cells by inhibiting Rdh5 transcription, unconnected to insulin, through cAMP and Akt, and inhibiting FoxO1. Through adapting tissue specifically to fasting, 9cRA would act independent of atRA. Widespread occurrence of 9cRA in vivo, and its self-sufficient adaptation to energy status, provides new perspectives into regulation of energy balance, attenuation of insulin and glucose actions, regulation of type II nuclear receptors, and retinoid biology.
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Affiliation(s)
- Hong Sik Yoo
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, University of California, Berkeley, Berkeley, California, USA
| | - Kristin Obrochta Moss
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, University of California, Berkeley, Berkeley, California, USA
| | - Michael A Cockrum
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, University of California, Berkeley, Berkeley, California, USA
| | - Wonsik Woo
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, University of California, Berkeley, Berkeley, California, USA
| | - Joseph L Napoli
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, University of California, Berkeley, Berkeley, California, USA.
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8
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Yang H, Su M, Liu M, Sheng Y, Zhu L, Yang L, Mu R, Zou J, Liu X, Liu L. Hepatic retinaldehyde deficiency is involved in diabetes deterioration by enhancing PCK1- and G6PC-mediated gluconeogenesis. Acta Pharm Sin B 2023; 13:3728-3743. [PMID: 37719384 PMCID: PMC10501888 DOI: 10.1016/j.apsb.2023.06.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Revised: 03/14/2023] [Accepted: 05/06/2023] [Indexed: 09/19/2023] Open
Abstract
Type 2 diabetes (T2D) is often accompanied with an induction of retinaldehyde dehydrogenase 1 (RALDH1 or ALDH1A1) expression and a consequent decrease in hepatic retinaldehyde (Rald) levels. However, the role of hepatic Rald deficiency in T2D progression remains unclear. In this study, we demonstrated that reversing T2D-mediated hepatic Rald deficiency by Rald or citral treatments, or liver-specific Raldh1 silencing substantially lowered fasting glycemia levels, inhibited hepatic glucogenesis, and downregulated phosphoenolpyruvate carboxykinase 1 (PCK1) and glucose-6-phosphatase (G6PC) expression in diabetic db/db mice. Fasting glycemia and Pck1/G6pc mRNA expression levels were strongly negatively correlated with hepatic Rald levels, indicating the involvement of hepatic Rald depletion in T2D deterioration. A similar result that liver-specific Raldh1 silencing improved glucose metabolism was also observed in high-fat diet-fed mice. In primary human hepatocytes and oleic acid-treated HepG2 cells, Rald or Rald + RALDH1 silencing resulted in decreased glucose production and downregulated PCK1/G6PC mRNA and protein expression. Mechanistically, Rald downregulated direct repeat 1-mediated PCK1 and G6PC expression by antagonizing retinoid X receptor α, as confirmed by luciferase reporter assays and molecular docking. These results highlight the link between hepatic Rald deficiency, glucose dyshomeostasis, and the progression of T2D, whilst also suggesting RALDH1 as a potential therapeutic target for T2D.
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Affiliation(s)
- Hanyu Yang
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Mengxiang Su
- Department of Pharmaceutical Analysis, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ming Liu
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Yun Sheng
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Liang Zhu
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Lu Yang
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Ruijing Mu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Jianjun Zou
- Department of Clinical Pharmacology, Nanjing First Hospital, Nanjing Medical University, Nanjing 210006, China
| | - Xiaodong Liu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
| | - Li Liu
- State Key Laboratory of Natural Medicines, Key Laboratory of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, China
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9
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Ma Y, Yu S, Mu D, Cheng J, Qiu L, Cheng X. Liquid chromatography-tandem mass spectrometry in fat-soluble vitamin deficiency. Clin Chim Acta 2023; 548:117469. [PMID: 37419302 DOI: 10.1016/j.cca.2023.117469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 06/30/2023] [Accepted: 07/04/2023] [Indexed: 07/09/2023]
Abstract
Fat-soluble vitamins, including vitamins A, D, E, and K, are essential for maintaining normal body function and metabolism. Fat-soluble vitamin deficiency may lead to bone diseases, anemia, bleeding, xerophthalmia, etc. Early detection and timely interventions are significant for preventing vitamin deficiency-related diseases. Liquid chromatography-tandem mass spectrometry (LC-MS/MS) is developing into a potent instrument for the precise detection of fat-soluble vitamins due to its high sensitivity, high specificity, and high resolution.
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Affiliation(s)
- Yichen Ma
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Songlin Yu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Danni Mu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Jin Cheng
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China
| | - Ling Qiu
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China; State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China.
| | - Xinqi Cheng
- Department of Laboratory Medicine, Peking Union Medical College Hospital, Peking Union Medical College & Chinese Academy of Medical Science, Beijing, China.
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10
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Liu B, Shalamu A, Pei Z, Liu L, Wei Z, Qu Y, Song S, Luo W, Dong Z, Weng X, Ge J. A novel mouse model of heart failure with preserved ejection fraction after chronic kidney disease induced by retinol through JAK/STAT pathway. Int J Biol Sci 2023; 19:3661-3677. [PMID: 37564202 PMCID: PMC10411473 DOI: 10.7150/ijbs.83432] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 06/26/2023] [Indexed: 08/12/2023] Open
Abstract
Heart failure is the leading cardiovascular comorbidity in chronic kidney disease (CKD) patients. Among the types of heart failure according to ejection fraction, heart failure with preserved ejection fraction (HFpEF) is the most common type of heart failure in CKD patients. However, the specific animal model of HFpEF afer CKD is currently missing. In this study, we determined the heart failure characteristics and dynamic progression in CKD mice. Based on these features, we established the practical HFpEF after CKD mouse model using 5/6 subtotal nephrectomy and retinol administration. Active apoptosis, impaired calcium handling, an imbalance between eNOS and oxidative stress and engaged endoplasmic reticulum stress were observed in our model. RNSseq revealed distinct gene expression patterns between HFpEF after CKD and metabolic induced-HFpEF. Furthermore, we revealed the potential mechanism of the pro-HFpEF effect of retinol. Serum accumulation of retinol in CKD prompts myocardial hypertrophy and fibrosis by activating JAK2 and phosphorylating STAT5. Finally, using small molecule inhibitor AC-4-130, we found STAT5 phosphorylation inhibitor may be a potential intervention target for HFpEF after CKD. In conclusion, we provide a novel animal model and a potential drug target for HFpEF intervention in CKD.
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Affiliation(s)
- Bowen Liu
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Adilan Shalamu
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200000, China
| | - Zhiqiang Pei
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
- Department of Cardiology, Taiyuan Central Hospital of Shanxi Medical University, Shanxi, 030000, China
| | - Liwei Liu
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Zilun Wei
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Yanan Qu
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Shuai Song
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Wei Luo
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
| | - Zhen Dong
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200000, China
| | - Xinyu Weng
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200000, China
| | - Junbo Ge
- Department of Cardiology, Zhongshan Hospital, Shanghai Institute of Cardiovascular Diseases, Fudan University, Shanghai, 200000, China
- National Clinical Research for Interventional Medicine, Shanghai, 200000, China
- Key Laboratory of Viral Heart Diseases, National Health Commission, Chinese Academy of Medical Sciences, Shanghai, 200000, China
- Institutes of Biomedical Sciences, Fudan University, Shanghai, 200000, China
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11
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Rajamani BM, Illangeswaran RSS, Benjamin ESB, Balakrishnan B, Jebanesan DZP, Das S, Pai AA, Vidhyadharan RT, Mohan A, Karathedath S, Abraham A, Mathews V, Velayudhan SR, Balasubramanian P. Modulating retinoid-X-receptor alpha (RXRA) expression sensitizes chronic myeloid leukemia cells to imatinib in vitro and reduces disease burden in vivo. Front Pharmacol 2023; 14:1187066. [PMID: 37324449 PMCID: PMC10264673 DOI: 10.3389/fphar.2023.1187066] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 05/18/2023] [Indexed: 06/17/2023] Open
Abstract
Introduction: The ligand-activated transcription factors, nuclear hormone receptors (NHRs), remain unexplored in hematological malignancies except for retinoic acid receptor alpha (RARA). Methods: Here we profiled the expression of various NHRs and their coregulators in Chronic myeloid leukemia (CML) cell lines and identified a significant differential expression pattern between inherently imatinib mesylate (IM)-sensitive and resistant cell lines. Results: Retinoid-X-receptor alpha (RXRA) was downregulated in CML cell lines inherently resistant to IM and in primary CML CD34+ cells. Pre-treatment with clinically relevant RXRA ligands improved sensitivity to IM in-vitro in both CML cell lines and primary CML cells. This combination effectively reduced the viability and colony-forming capacity of CML CD34+ cells in-vitro. In-vivo, this combination reduced leukemic burden and prolonged survival. Overexpression (OE) of RXRA inhibited proliferation and improved sensitivity to IM in-vitro. In-vivo, RXRA OE cells showed reduced engraftment of cells in the bone marrow, improved sensitivity to IM, and prolonged survival. Both RXRA OE and ligand treatment markedly reduced BCR::ABL1 downstream kinase activation, activating apoptotic cascades and improving sensitivity to IM. Importantly, RXRA OE also led to the disruption of the oxidative capacity of these cells. Conclusion: Combining IM with clinically available RXRA ligands could form an alternative treatment strategy in CML patients with suboptimal response to IM.
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Affiliation(s)
- Bharathi M. Rajamani
- Department of Haematology, Christian Medical College, Vellore, India
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
| | | | - Esther Sathya Bama Benjamin
- Department of Haematology, Christian Medical College, Vellore, India
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | - Balaji Balakrishnan
- Department of Haematology, Christian Medical College, Vellore, India
- Department of Integrative Biology, School of Bio Sciences and Technology, Vellore Institute of Technology, Vellore, India
| | | | - Saswati Das
- Department of Haematology, Christian Medical College, Vellore, India
- Department of Biotechnology, Thiruvalluvar University, Vellore, India
| | - Aswin Anand Pai
- Department of Haematology, Christian Medical College, Vellore, India
- Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram, India
| | | | - Ajith Mohan
- Department of Haematology, Christian Medical College, Vellore, India
| | | | - Aby Abraham
- Department of Haematology, Christian Medical College, Vellore, India
| | - Vikram Mathews
- Department of Haematology, Christian Medical College, Vellore, India
| | - Shaji R. Velayudhan
- Department of Haematology, Christian Medical College, Vellore, India
- Centre for Stem Cell Research (CSCR), A Unit of InStem Bengaluru, Christian Medical College Campus, Vellore, India
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12
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Amaeze OU, Czuba LC, Yadav AS, Fay EE, LaFrance J, Shum S, Moreni SL, Mao J, Huang W, Isoherranen N, Hebert MF. Impact of Pregnancy and Vitamin A Supplementation on CYP2D6 Activity. J Clin Pharmacol 2023; 63:363-372. [PMID: 36309846 PMCID: PMC9931631 DOI: 10.1002/jcph.2169] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Accepted: 10/11/2022] [Indexed: 11/07/2022]
Abstract
The mechanism of cytochrome P450 2D6 (CYP2D6) induction during pregnancy has not been evaluated in humans. This study assessed the changes in CYP2D6 and CYP3A activities during pregnancy and postpartum, and the effect of vitamin A administration on CYP2D6 activity. Forty-seven pregnant CYP2D6 extensive metabolizers (with CYP2D6 activity scores of 1 to 2) received dextromethorphan (DM) 30 mg orally as a single dose during 3 study windows (at 25 to 28 weeks of gestation, study day 1; at 28 to 32 weeks of gestation, study day 2; and at ≥3 months postpartum, study day 3). Participants were randomly assigned to groups with no supplemental vitamin A (control) or with supplemental vitamin A (10 000 IU/day orally for 3 to 4 weeks) after study day 1. Concentrations of DM and its metabolites, dextrorphan (DX) and 3-hydroxymorphinan (3HM), were determined from a 2-hour post-dose plasma sample and cumulative 4-hour urine sample using liquid chromatography-mass spectrometry. Change in CYP2D6 activity was assessed using DX/DM plasma and urine metabolic ratios. The activity change in CYP3A was also assessed using the 3HM/DM urine metabolic ratio. The DX/DM urine ratio was significantly higher (43%) in pregnancy compared with postpartum (P = .03), indicating increased CYP2D6 activity. The DX/DM plasma ratio was substantially higher in the participants, with an activity score of 1.0 during pregnancy (P = .04) compared with postpartum. The 3HM/DM urinary ratio was significantly higher (92%) during pregnancy, reflecting increased CYP3A activity (P = .02). Vitamin A supplementation did not change CYP2D6 activity during pregnancy; however, plasma all-trans retinoic acid (atRA) concentrations were positively correlated with increased CYP2D6 activity during pregnancy and postpartum. Further research is needed to elucidate the mechanisms of increased CYP2D6 activity during pregnancy.
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Affiliation(s)
- Ogochukwu U Amaeze
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Lindsay C. Czuba
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Aprajita S. Yadav
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Emily E. Fay
- Department of Obstetrics and Gynecology, University of Washington, School of Medicine, Seattle, Washington, United States
| | - Jeffrey LaFrance
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Sara Shum
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Sue L. Moreni
- Department of Obstetrics and Gynecology, University of Washington, School of Medicine, Seattle, Washington, United States
| | - Jennie Mao
- Department of Obstetrics and Gynecology, University of Washington, School of Medicine, Seattle, Washington, United States
| | - Weize Huang
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Nina Isoherranen
- Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
- Milo Gibaldi Endowed Chair of Pharmaceutics, Department of Pharmaceutics, University of Washington, School of Pharmacy, Seattle, Washington, United States
| | - Mary F. Hebert
- Department of Obstetrics and Gynecology, University of Washington, School of Medicine, Seattle, Washington, United States
- Department of Pharmacy, University of Washington, School of Pharmacy, Seattle, Washington, United States
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13
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Jeong H, Armstrong AT, Isoherranen N, Czuba L, Yang A, Zumpf K, Ciolino J, Torres E, Stika CS, Wisner KL. Temporal changes in the systemic concentrations of retinoids in pregnant and postpartum women. PLoS One 2023; 18:e0280424. [PMID: 36795769 PMCID: PMC9934425 DOI: 10.1371/journal.pone.0280424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Accepted: 01/02/2023] [Indexed: 02/17/2023] Open
Abstract
Retinoids and vitamin A are essential for multiple biological functions, including vision and immune responses, as well as the development of an embryo during pregnancy. Despite its importance, alterations in retinoid homeostasis during normal human pregnancy are incompletely understood. We aimed to characterize the temporal changes in the systemic retinoid concentrations across pregnancy and postpartum period. Monthly blood samples were collected from twenty healthy pregnant women, and plasma concentrations of retinol, all-trans-retinoic acid (atRA), 13-cis-retinoic acid (13cisRA), and 4-oxo-retinoic acids were measured using liquid chromatography-tandem mass spectrometry. Significant decreases in 13cisRA concentrations over the pregnancy were observed, with rebound increases in retinol and 13cisRA levels after delivery. Of note, atRA concentrations exhibited a unique temporal pattern with levels peaking at mid-pregnancy. While the 4-oxo-atRA concentration was below the limit of quantification, 4-oxo-13cisRA was readily detectable, and its temporal change mimicked that of 13cisRA. The time profiles of atRA and 13cisRA remained similar after correction by albumin levels for plasma volume expansion adjustment. Together, the comprehensive profiling of systemic retinoid concentrations over the course of pregnancy provides insights into pregnancy-mediated changes in retinoid disposition to maintain its homeostasis.
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Affiliation(s)
- Hyunyoung Jeong
- Department of Industrial and Physical Pharmacy and Pharmacy Practice, College of Pharmacy, Purdue University, West Lafayette, IN, United States of America
- Department of Pharmacy Practice, College of Pharmacy, Purdue University, West Lafayette, IN, United States of America
| | - Abigail T. Armstrong
- Department of Industrial and Physical Pharmacy and Pharmacy Practice, College of Pharmacy, Purdue University, West Lafayette, IN, United States of America
| | - Nina Isoherranen
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States of America
| | - Lindsay Czuba
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States of America
| | - Amy Yang
- Department of Preventive Medicine (Biostatistics), Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Katelynn Zumpf
- Department of Preventive Medicine (Biostatistics), Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Jody Ciolino
- Department of Preventive Medicine (Biostatistics), Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Elizabeth Torres
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Catherine S. Stika
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
| | - Katherine L. Wisner
- Department of Psychiatry and Behavioral Sciences, Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
- Department of Obstetrics and Gynecology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States of America
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14
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Udhani R, Kothari C, Sarvaiya J. A Comprehensive Study: Traditional and Cutting-Edge Analytical Techniques for the Biomarker Based Detection of the Micronutrients & POC Sensing Directions for Next-Generation Diagnostic. Crit Rev Anal Chem 2023; 54:2378-2397. [PMID: 36720848 DOI: 10.1080/10408347.2023.2169823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Micronutrient deficiency is wide spread and highly affects morbidity, mortality, and well-being of human beings. Micronutrient deficiency gradually manifests into diseases, which effects pathophysiology directly or indirectly. There is an imprecision in the diagnosis of micronutrient deficiency because of two causes; the selection of the standard biomarker and the diagnostic technique used. In appropriate diagnosis could increase the severity of the disorder. Instead of a single a combination of biomarkers can give more stringent results for micronutrient testing. Several traditional analytical techniques are used for diagnosis but HPLC, ELISA & LCMS/MS are most sensitive and reliable methods used by CLSIA-certified labs. However, these techniques require well-equipped, centralized laboratory facilities. The diagnostic era moves toward the Point of Care Testing (POCT), a boon in emerging diagnostics, breaking all paradigms of traditional analytical techniques. POCT led us toward the development of biosensors, which encompasses many techniques like paper-based sensors, microfluidic chip, wearable devices, and smartphone-assisted diagnostics, which become more popular diagnostic tools. This outlook summarizes the micronutrients like vitamins A, B5, B6, B7, B9, B12 C, D, and E and Minerals like iron, calcium, zinc, magnesium, and sodium; along with its biomarkers, analytical techniques, and point of care innovation in micronutrients.
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Affiliation(s)
- Raveena Udhani
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Charmy Kothari
- Department of Pharmaceutical Analysis, Institute of Pharmacy, Nirma University, Ahmedabad, Gujarat, India
| | - Jayrajsinh Sarvaiya
- School of Engineering and Technology, National Forensic Science University, Gandhinagar, Gujarat, India
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15
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le Maire A, Rey M, Vivat V, Guée L, Blanc P, Malosse C, Chamot-Rooke J, Germain P, Bourguet W. Design and in vitro characterization of RXR variants as tools to investigate the biological role of endogenous rexinoids. J Mol Endocrinol 2022; 69:377-390. [PMID: 35900852 DOI: 10.1530/jme-22-0021] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 07/11/2022] [Indexed: 11/08/2022]
Abstract
Retinoid X receptors (RXRα, β, and γ) are essential members of the nuclear receptor (NR) superfamily of ligand-dependent transcriptional regulators that bind DNA response elements and control the expression of large gene networks. As obligate heterodimerization partners of many NRs, RXRs are involved in a variety of pathophysiological processes. However, despite this central role in NR signaling, there is still no consensus regarding the precise biological functions of RXRs and the putative role of the endogenous ligands (rexinoids) previously proposed for these receptors. Based on available crystal structures, we introduced a series of amino acid substitutions into the ligand-binding pocket of all three RXR subtypes in order to alter their binding properties. Subsequent characterization using a battery of cell-based and in vitro assays led to the identification of a double mutation abolishing the binding of any ligand while keeping the other receptor functions intact and a triple mutation that selectively impairs interaction with natural rexinoids but not with some synthetic ligands. We also report crystal structures that help understand the specific ligand-binding capabilities of both variants. These RXR variants, either fully disabled for ligand binding or retaining the property of being activated by synthetic compounds, represent unique tools that could be used in future studies to probe the presence of active endogenous rexinoids in tissues/organs and to investigate their role in vivo. Last, we provide data suggesting a possible involvement of fatty acids in the weak interaction of RXRs with corepressors.
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Affiliation(s)
- Albane le Maire
- CBS (Centre de Biologie Structurale), Univ Montpellier, CNRS, Inserm, Montpellier, France
| | - Martial Rey
- Institut Pasteur, Université de Paris, CNRS USR2000, Mass Spectrometry for Biology Unit, Paris, France
| | - Valérie Vivat
- IGBMC (Institut de Génétique et de Biologie Moléculaire et Cellulaire), Univ Strasbourg, CNRS, Inserm, Illkirch, France
| | - Laura Guée
- CBS (Centre de Biologie Structurale), Univ Montpellier, CNRS, Inserm, Montpellier, France
| | - Pauline Blanc
- CBS (Centre de Biologie Structurale), Univ Montpellier, CNRS, Inserm, Montpellier, France
| | - Christian Malosse
- Institut Pasteur, Université de Paris, CNRS USR2000, Mass Spectrometry for Biology Unit, Paris, France
| | - Julia Chamot-Rooke
- Institut Pasteur, Université de Paris, CNRS USR2000, Mass Spectrometry for Biology Unit, Paris, France
| | - Pierre Germain
- CBS (Centre de Biologie Structurale), Univ Montpellier, CNRS, Inserm, Montpellier, France
| | - William Bourguet
- CBS (Centre de Biologie Structurale), Univ Montpellier, CNRS, Inserm, Montpellier, France
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16
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Abdelaal MR, Ibrahim E, Elnagar MR, Soror SH, Haffez H. Augmented Therapeutic Potential of EC-Synthetic Retinoids in Caco-2 Cancer Cells Using an In Vitro Approach. Int J Mol Sci 2022; 23:ijms23169442. [PMID: 36012706 PMCID: PMC9409216 DOI: 10.3390/ijms23169442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/29/2022] [Accepted: 08/05/2022] [Indexed: 11/16/2022] Open
Abstract
Colorectal cancer therapies have produced promising clinical responses, but tumor cells rapidly develop resistance to these drugs. It has been previously shown that EC19 and EC23, two EC-synthetic retinoids, have single-agent preclinical anticancer activity in colorectal carcinoma. Here, isobologram analysis revealed that they have synergistic cytotoxicity with retinoic acid receptor (RAR) isoform-selective agonistic retinoids such as AC261066 (RARβ2-selective agonist) and CD437 (RARγ-selective agonist) in Caco-2 cells. This synergism was confirmed by calculating the combination index (lower than 1) and the dose reduction index (higher than 1). Flow cytometry of combinatorial IC50 (the concentration causing 50% cell death) confirmed the cell cycle arrest at the SubG0-G1 phase with potentiated apoptotic and necrotic effects. The reported synergistic anticancer activity can be attributed to their ability to reduce the expression of ATP-binding cassette (ABC) transporters including P-glycoprotein (P-gp1), breast cancer resistance protein (BCRP) and multi-drug resistance-associated protein-1 (MRP1) and Heat Shock Protein 70 (Hsp70). This adds up to the apoptosis-promoting activity of EC19 and EC23, as shown by the increased Caspase-3/7 activities and DNA fragmentation leading to DNA double-strand breaks. This study sheds the light on the possible use of EC-synthetic retinoids in the rescue of multi-drug resistance in colorectal cancer using Caco-2 as a model and suggests new promising combinations between different synthetic retinoids. The current in vitro results pave the way for future studies on these compounds as possible cures for colorectal carcinoma.
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Affiliation(s)
- Mohamed R. Abdelaal
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Esraa Ibrahim
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Mohamed R. Elnagar
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Al-Azhar University, Cairo 11823, Egypt
| | - Sameh H. Soror
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
| | - Hesham Haffez
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt
- Center of Scientific Excellence “Helwan Structural Biology Research, (HSBR)”, Helwan University, Cairo 11795, Egypt
- Correspondence: ; Tel.: +20-1094-970-173
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17
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Yoo HS, Rodriguez A, You D, Lee RA, Cockrum MA, Grimes JA, Wang JC, Kang S, Napoli JL. The glucocorticoid receptor represses, whereas C/EBPβ can enhance or repress CYP26A1 transcription. iScience 2022; 25:104564. [PMID: 35789854 PMCID: PMC9249609 DOI: 10.1016/j.isci.2022.104564] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 05/12/2022] [Accepted: 06/06/2022] [Indexed: 11/24/2022] Open
Abstract
Retinoic acid (RA) counters insulin's metabolic actions. Insulin reduces liver RA biosynthesis by exporting FoxO1 from nuclei. RA induces its catabolism, catalyzed by CYP26A1. A CYP26A1 contribution to RA homeostasis with changes in energy status had not been investigated. We found that glucagon, cortisol, and dexamethasone decrease RA-induced CYP26A1 transcription, thereby reducing RA oxidation during fasting. Interaction between the glucocorticoid receptor and the RAR/RXR coactivation complex suppresses CYP26A1 expression, increasing RA's elimination half-life. Interaction between CCAAT-enhancer-binding protein beta (C/EBPβ) and the major allele of SNP rs2068888 enhances CYP26A1 expression; the minor allele restricts the C/EBPβ effect on CYP26A1. The major and minor alleles associate with impaired human health or reduction in blood triglycerides, respectively. Thus, regulating CYP26A1 transcription contributes to adapting RA to coordinate energy availability with metabolism. These results enhance insight into CYP26A1 effects on RA during changes in energy status and glucocorticoid receptor modification of RAR-regulated gene expression.
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Affiliation(s)
- Hong Sik Yoo
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Adrienne Rodriguez
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Dongjoo You
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Rebecca A. Lee
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Michael A. Cockrum
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Jack A. Grimes
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Jen-Chywan Wang
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Sona Kang
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
| | - Joseph L. Napoli
- Department of Nutritional Sciences and Toxicology, Graduate Program in Metabolic Biology, The University of California, Berkeley Berkeley, CA 94720, USA
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18
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Abdelaal MR, Haffez H. The potential roles of retinoids in combating drug resistance in cancer: implications of ATP-binding cassette (ABC) transporters. Open Biol 2022; 12:220001. [PMID: 35642494 PMCID: PMC9157304 DOI: 10.1098/rsob.220001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Multidrug resistance (MDR) means that tumour cells become unresponsive during or after the course of treatment to one or more of chemotherapeutic drugs. Chemotherapeutic resistance critically limits the treatment outcomes and remains a key challenge for clinicians. The alternation in intracellular drug concentration through the modulation of its transport across the plasma membrane is the major cause for MDR and is adopted by various mediators, including ATP-requiring enzymes (ATPases). Among these ATPases, ABC transporters have been extensively studied, and found to be highly implicated in tumorigenesis and MDR. The present review sheds light on the documented effects of retinoids on ABC enzymes to understand their mechanism in combating cancer cell resistance. This would open the gate to test the mechanism and applicability of different new synthetic retinoids in literature and market as modulators of ATP-dependent efflux pumping activity, and promote their applicability in diminishing anti-cancer drug resistance.
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Affiliation(s)
- Mohamed R. Abdelaal
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt,Centre of Scientific Excellence ‘Helwan Structural Biology Research (HSBR)’, Helwan University, Cairo 11795, Egypt
| | - Hesham Haffez
- Biochemistry and Molecular Biology Department, Faculty of Pharmacy, Helwan University, Cairo 11795, Egypt,Centre of Scientific Excellence ‘Helwan Structural Biology Research (HSBR)’, Helwan University, Cairo 11795, Egypt
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19
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Triple chemical derivatization strategy assisted liquid chromatography-mass spectrometry for determination of retinoic acids in human serum. Talanta 2022; 245:123474. [DOI: 10.1016/j.talanta.2022.123474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Revised: 04/06/2022] [Accepted: 04/09/2022] [Indexed: 11/18/2022]
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20
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Bos A, van Egmond M, Mebius R. The role of retinoic acid in the production of immunoglobulin A. Mucosal Immunol 2022; 15:562-572. [PMID: 35418672 DOI: 10.1038/s41385-022-00509-8] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 03/09/2022] [Accepted: 03/26/2022] [Indexed: 02/04/2023]
Abstract
Vitamin A and its derivative retinoic acid (RA) play important roles in the regulation of mucosal immunity. The effect of vitamin A metabolism on T lymphocyte immunity has been well documented, but its role in mucosal B lymphocyte regulation is less well described. Intestinal immunoglobulin A (IgA) is key in orchestrating a balanced gut microbiota composition. Here, we describe the contribution of RA to IgA class switching in tissues including the lamina propria, mesenteric lymph nodes, Peyer's patches and isolated lymphoid follicles. RA can either indirectly skew T cells or directly affect B cell differentiation. IgA levels in healthy individuals are under the control of the metabolism of vitamin A, providing a steady supply of RA. However, IgA levels are altered in inflammatory bowel disease patients, making control of the metabolism of vitamin A a potential therapeutic target. Thus, dietary vitamin A is a key player in regulating IgA production within the intestine, acting via multiple immunological pathways.
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Affiliation(s)
- Amelie Bos
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands
| | - Marjolein van Egmond
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands.,Amsterdam UMC, Department of Surgery, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands
| | - Reina Mebius
- Amsterdam UMC, Department of Molecular Cell Biology and Immunology, Research Institute of Amsterdam Institute for Infection and Immunity, Vrije Universiteit, Amsterdam, The Netherlands.
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21
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Czuba LC, Fay EE, LaFrance J, Smith CK, Shum S, Moreni SL, Mao J, Isoherranen N, Hebert MF. Plasma Retinoid Concentrations Are Altered in Pregnant Women. Nutrients 2022; 14:1365. [PMID: 35405978 PMCID: PMC9002937 DOI: 10.3390/nu14071365] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 03/18/2022] [Indexed: 11/22/2022] Open
Abstract
Vitamin A is vital to maternal-fetal health and pregnancy outcomes. However, little is known about pregnancy associated changes in maternal vitamin A homeostasis and concentrations of circulating retinol metabolites. The goal of this study was to characterize retinoid concentrations in healthy women (n = 23) during two stages of pregnancy (25-28 weeks gestation and 28-32 weeks gestation) as compared to ≥3 months postpartum. It was hypothesized that plasma retinol, retinol binding protein 4 (RBP4), transthyretin and albumin concentrations would decline during pregnancy and return to baseline by 3 months postpartum. At 25-28 weeks gestation, plasma retinol (-27%), 4-oxo-13-cis-retinoic acid (-34%), and albumin (-22%) concentrations were significantly lower, and all-trans-retinoic acid (+48%) concentrations were significantly higher compared to ≥3 months postpartum in healthy women. In addition, at 28-32 weeks gestation, plasma retinol (-41%), retinol binding protein 4 (RBP4; -17%), transthyretin (TTR; -21%), albumin (-26%), 13-cis-retinoic acid (-23%) and 4-oxo-13-cis-retinoic acid (-48%) concentrations were significantly lower, whereas plasma all-trans-retinoic acid concentrations (+30%) were significantly higher than ≥3 months postpartum. Collectively, the data demonstrates that in healthy pregnancies, retinol plasma concentrations are lower, but all-trans-retinoic acid concentrations are higher than postpartum.
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Affiliation(s)
- Lindsay C. Czuba
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA 98195, USA; (L.C.C.); (J.L.); (S.S.); (N.I.)
| | - Emily E. Fay
- Department of Obstetrics and Gynecology, School of Medicine, University of Washington, Seattle, WA 98195, USA; (E.E.F.); (S.L.M.); (J.M.)
| | - Jeffrey LaFrance
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA 98195, USA; (L.C.C.); (J.L.); (S.S.); (N.I.)
| | - Chase K. Smith
- Department of Pharmacy, School of Pharmacy, University of Washington, Seattle, WA 98195, USA;
| | - Sara Shum
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA 98195, USA; (L.C.C.); (J.L.); (S.S.); (N.I.)
| | - Sue L. Moreni
- Department of Obstetrics and Gynecology, School of Medicine, University of Washington, Seattle, WA 98195, USA; (E.E.F.); (S.L.M.); (J.M.)
| | - Jennie Mao
- Department of Obstetrics and Gynecology, School of Medicine, University of Washington, Seattle, WA 98195, USA; (E.E.F.); (S.L.M.); (J.M.)
| | - Nina Isoherranen
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA 98195, USA; (L.C.C.); (J.L.); (S.S.); (N.I.)
| | - Mary F. Hebert
- Department of Obstetrics and Gynecology, School of Medicine, University of Washington, Seattle, WA 98195, USA; (E.E.F.); (S.L.M.); (J.M.)
- Department of Pharmacy, School of Pharmacy, University of Washington, Seattle, WA 98195, USA;
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22
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RXR – centralny regulator wielu ścieżek sygnałowych w organizmie. POSTEP HIG MED DOSW 2021. [DOI: 10.2478/ahem-2021-0005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Abstrakt
Receptory jądrowe (NRs) tworzą największą nadrodzinę czynników transkrypcyjnych, które odgrywają ważną rolę w regulacji wielu procesów biologicznych. Receptor kwasu 9-cis-retinowego (RXR) wydaje się odgrywać szczególną rolę wśród tej grupy białek, a to ma związek z jego zdolnością do tworzenia dimerów z innymi NRs. Ze względu na kontrolę ekspresji wielu genów, RXR stanowi bardzo dobry cel licznych terapii. Nieprawidłowości w szlakach modulowanych przez RXR są powiązane m.in. z chorobami neurodegeneracyjnymi, otyłością, cukrzycą, a także nowotworami. Istnieje wiele związków mogących regulować aktywność transkrypcyjną RXR. Jednak obecnie dopuszczonych do użytku klinicznego jest tylko kilka z nich. Retinoidy normalizują wzrost i różnicowanie komórek skóry i błon śluzowych, ponadto działają immunomodulująco oraz przeciwzapalnie. Stąd są stosowane przede wszystkim w chorobach skóry i w terapii niektórych chorób nowotworowych. W artykule przedstawiono ogólne wiadomości na temat RXR, jego budowy, ligandów i mechanizmu działania oraz potencjalnej roli w terapii nowotworów i zespołu metabolicznego.
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23
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Retinoic acid exerts sexually dimorphic effects on muscle energy metabolism and function. J Biol Chem 2021; 297:101101. [PMID: 34419449 PMCID: PMC8441203 DOI: 10.1016/j.jbc.2021.101101] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 08/06/2021] [Accepted: 08/18/2021] [Indexed: 01/24/2023] Open
Abstract
The retinol dehydrogenase Rdh10 catalyzes the rate-limiting reaction that converts retinol into retinoic acid (RA), an autacoid that regulates energy balance and reduces adiposity. Skeletal muscle contributes to preventing adiposity, by consuming nearly half the energy of a typical human. We report sexually dimorphic differences in energy metabolism and muscle function in Rdh10+/- mice. Relative to wild-type (WT) controls, Rdh10+/- males fed a high-fat diet decrease reliance on fatty-acid oxidation and experience glucose intolerance and insulin resistance. Running endurance decreases 40%. Rdh10+/- females fed this diet increase fatty acid oxidation and experience neither glucose intolerance nor insulin resistance. Running endurance increases 220%. We therefore assessed RA function in the mixed-fiber type gastrocnemius muscles (GM), which contribute to running, rather than standing, and are similar to human GM. RA levels in Rdh10+/- male GM decrease 38% relative to WT. Rdh10+/- male GM increase expression of Myog and reduce Eif6 mRNAs, which reduce and enhance running endurance, respectively. Cox5A, complex IV activity, and ATP decrease. Increased centralized nuclei reveal existence of muscle malady and/or repair in GM fibers. Comparatively, RA in Rdh10+/- female GM decreases by less than half the male decrease, from a more modest decrease in Rdh10 and an increase in the estrogen-induced retinol dehydrogenase Dhrs9. Myog mRNA decreases. Cox5A, complex IV activity, and ATP increase. Centralized GM nuclei do not increase. We conclude that Rdh10/RA affects whole body energy use and insulin resistance partially through sexual dimorphic effects on skeletal muscle gene expression, structure, and mitochondria activity.
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24
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Xie X, Kong J, Huang J, Zhou L, Jiang Y, Miao R, Yin F. Integration of metabolomic and transcriptomic analyses to characterize the influence of the gill metabolism of Nibea albiflora on the response to Cryptocaryon irritans infection. Vet Parasitol 2021; 298:109533. [PMID: 34411977 DOI: 10.1016/j.vetpar.2021.109533] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Revised: 06/13/2021] [Accepted: 07/17/2021] [Indexed: 01/13/2023]
Abstract
The parasite Cryptocaryon irritans causes massive losses in the marine fish culture industry and is one of the most threatening pathogens affecting teleost species. The acute death of infected fish is primarily caused by the destruction of gill cells, resulting in osmotic imbalance and respiratory stress. C. irritans has wide host specificity; however, the yellow drum Nibea albiflora is highly resistant to this parasite. Metabolomic approaches in combination with transcriptomic analysis were used to characterize the host immune reaction and metabolic changes in yellow drum in response to C. irritans infection and to identify the key genes and compounds in the gills that have the strongest contribution to disease resistance. The yellow drum was challenged with theronts at a median death rate (2050 theronts per gram fish). The samples were collected from the gills 24 h and 72 h after the infection (hpi). The results of metabolomic analysis indicated that metabolites involved in energy metabolism were predominantly downregulated. In contrast, a compensatory increase in the expression of the genes involved in the citric acid cycle and glycolysis was detected 24 hpi. The suppression of metabolites was alleviated after feed intake recovery 72 hpi. The levels of amino acids were decreased, and the expression of aminoacyl-tRNA was increased. Additionally, elevated levels of arachidonic acid derivatives, primarily prostaglandins, were responsible for anti-inflammatory, osmotic, and hypoxia regulations. Purine metabolism was also involved in the immune response via generation of reactive oxygen species catalyzed by xanthine oxidase. A significant increase in the generation of retinoic acid, which could enhance mucosal adaptive immunity by stimulating the synthesis of antibodies and accelerating the restoration of epithelial integrity, was observed at 72 hpi. This result was consistent with high expression of the genes related to secreted immunoglobulin T 72 hpi. In conclusion, the present study comprehensively described the key compounds and genes related to C. irritans infection in yellow drum gills. Biomarkers that were significantly changed during the infection may represent future targets for nutritional intervention to enhance host immunity against C. irritans infection and to accelerate disease recovery.
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Affiliation(s)
- Xiao Xie
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Jindong Kong
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Jiashuang Huang
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Liyao Zhou
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Yunyan Jiang
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Rujiang Miao
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China
| | - Fei Yin
- Key Laboratory of Applied Marine Biotechnology, Ministry of Education, Collaborative Innovation Center for Zhejiang Marine High-efficiency and Healthy Aquaculture, School of Marine Sciences, Ningbo University, 818 Fenghua Road, Ningbo, 315211, PR China.
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25
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Carazo A, Macáková K, Matoušová K, Krčmová LK, Protti M, Mladěnka P. Vitamin A Update: Forms, Sources, Kinetics, Detection, Function, Deficiency, Therapeutic Use and Toxicity. Nutrients 2021; 13:1703. [PMID: 34069881 PMCID: PMC8157347 DOI: 10.3390/nu13051703] [Citation(s) in RCA: 102] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Revised: 05/07/2021] [Accepted: 05/13/2021] [Indexed: 12/12/2022] Open
Abstract
Vitamin A is a group of vital micronutrients widely present in the human diet. Animal-based products are a rich source of the retinyl ester form of the vitamin, while vegetables and fruits contain carotenoids, most of which are provitamin A. Vitamin A plays a key role in the correct functioning of multiple physiological functions. The human organism can metabolize natural forms of vitamin A and provitamin A into biologically active forms (retinol, retinal, retinoic acid), which interact with multiple molecular targets, including nuclear receptors, opsin in the retina and, according to the latest research, also some enzymes. In this review, we aim to provide a complex view on the present knowledge about vitamin A ranging from its sources through its physiological functions to consequences of its deficiency and metabolic fate up to possible pharmacological administration and potential toxicity. Current analytical methods used for its detection in real samples are included as well.
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Affiliation(s)
- Alejandro Carazo
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
| | - Kateřina Macáková
- Department of Pharmacognosy, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
| | - Kateřina Matoušová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; (K.M.); (L.K.K.)
| | - Lenka Kujovská Krčmová
- Department of Clinical Biochemistry and Diagnostics, University Hospital Hradec Králové, Sokolská 581, 500 05 Hradec Králové, Czech Republic; (K.M.); (L.K.K.)
- Department of Analytical Chemistry, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic
| | - Michele Protti
- The Department of Pharmacy and Biotechnology (FaBiT), Alma Mater Studiorum–University of Bologna, Via Belmeloro 6, 40126 Bologna, Italy;
| | - Přemysl Mladěnka
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Charles University, Akademika Heyrovského 1203, 500 05 Hradec Králové, Czech Republic;
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26
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Yoshida Y, Matsunaga N, Nakao T, Hamamura K, Kondo H, Ide T, Tsutsui H, Tsuruta A, Kurogi M, Nakaya M, Kurose H, Koyanagi S, Ohdo S. Alteration of circadian machinery in monocytes underlies chronic kidney disease-associated cardiac inflammation and fibrosis. Nat Commun 2021; 12:2783. [PMID: 33986294 PMCID: PMC8119956 DOI: 10.1038/s41467-021-23050-x] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 04/12/2021] [Indexed: 12/17/2022] Open
Abstract
Dysfunction of the circadian clock has been implicated in the pathogenesis of cardiovascular disease. The CLOCK protein is a core molecular component of the circadian oscillator, so that mice with a mutated Clock gene (Clk/Clk) exhibit abnormal rhythms in numerous physiological processes. However, here we report that chronic kidney disease (CKD)-induced cardiac inflammation and fibrosis are attenuated in Clk/Clk mice even though they have high blood pressure and increased serum angiotensin II levels. A search for the underlying cause of the attenuation of heart disorder in Clk/Clk mice with 5/6 nephrectomy (5/6Nx) led to identification of the monocytic expression of G protein-coupled receptor 68 (GPR68) as a risk factor of CKD-induced inflammation and fibrosis of heart. 5/6Nx induces the expression of GPR68 in circulating monocytes via altered CLOCK activation by increasing serum levels of retinol and its binding protein (RBP4). The high-GPR68-expressing monocytes have increased potential for producing inflammatory cytokines, and their cardiac infiltration under CKD conditions exacerbates inflammation and fibrosis of heart. Serum retinol and RBP4 levels in CKD patients are also sufficient to induce the expression of GPR68 in human monocytes. Our present study reveals an uncovered role of monocytic clock genes in CKD-induced heart failure.
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Affiliation(s)
- Yuya Yoshida
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Naoya Matsunaga
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
- Department of Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Takaharu Nakao
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Kengo Hamamura
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hideaki Kondo
- Center for Sleep Medicine, Saiseikai Nagasaki Hospital, Katafuchi, Nagasaki, Japan
| | - Tomomi Ide
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Hiroyuki Tsutsui
- Department of Cardiovascular Medicine, Faculty of Medical Sciences, Kyushu University, Fukuoka, Japan
| | - Akito Tsuruta
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Masayuki Kurogi
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Michio Nakaya
- Department of Pharmacology and Toxicology, Facility of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Hitoshi Kurose
- Department of Pharmacology and Toxicology, Facility of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Satoru Koyanagi
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
- Department of Glocal Healthcare Science, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan
| | - Shigehiro Ohdo
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka, Japan.
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27
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Di Martino O, Niu H, Hadwiger G, Kuusanmaki H, Ferris MA, Vu A, Beales J, Wagner C, Menéndez-Gutiérrez MP, Ricote M, Heckman C, Welch JS. Endogenous and combination retinoids are active in myelomonocytic leukemias. Haematologica 2021; 106:1008-1021. [PMID: 33241677 PMCID: PMC8017822 DOI: 10.3324/haematol.2020.264432] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Indexed: 12/17/2022] Open
Abstract
Retinoid therapy transformed response and survival outcomes in acute promyelocytic leukemia (APL) but has demonstrated only modest activity in non-APL forms of acute myeloid leukemia (AML). The presence of natural retinoids in vivo could influence the efficacy of pharmacologic agonists and antagonists. We found that natural RXRA ligands, but not RARA ligands, were present in murine MLL-AF9-derived myelomonocytic leukemias in vivo and that the concurrent presence of receptors and ligands acted as tumor suppressors. Pharmacologic retinoid responses could be optimized by concurrent targeting of RXR ligands (e.g., bexarotene) and RARA ligands (e.g., all-trans retinoic acid), which induced either leukemic maturation or apoptosis depending on cell culture conditions. Co-repressor release from the RARA:RXRA heterodimer occurred with RARA activation, but not RXRA activation, providing an explanation for the combination synergy. Combination synergy could be replicated in additional, but not all, AML cell lines and primary samples, and was associated with improved survival in vivo, although tolerability of bexarotene administration in mice remained an issue. These data provide insight into the basal presence of natural retinoids in leukemias in vivo and a potential strategy for clinical retinoid combination regimens in leukemias beyond APL.
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Affiliation(s)
- Orsola Di Martino
- Department of Internal Medicine, Washington University, St Louis, Missouri, 63110
| | - Haixia Niu
- Division of Experimental Hematology and Cancer Biology, Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio, 3333
| | - Gayla Hadwiger
- Department of Internal Medicine, Washington University, St Louis, Missouri, 63110
| | - Heikki Kuusanmaki
- Institute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Helsinki, 00014
| | - Margaret A Ferris
- Department of Pediatrics, Washington University, St Louis, Missouri, 63110
| | - Anh Vu
- Department of Internal Medicine, Washington University, St Louis, Missouri, 63110
| | - Jeremy Beales
- Department of Internal Medicine, Washington University, St Louis, Missouri, 63110
| | - Carl Wagner
- School of Mathematical and Natural Sciences, Arizona State University, Phoenix, Arizona, 85281 USA
| | - María P Menéndez-Gutiérrez
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029
| | - Mercedes Ricote
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares (CNIC), Madrid, 28029
| | - Caroline Heckman
- Institute for Molecular Medicine Finland, Helsinki Institute of Life Science, University of Helsinki, Helsinki, 00014
| | - John S Welch
- Department of Internal Medicine, Washington University, St Louis, Missouri, 63110
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Morgenstern J, Fleming T, Kliemank E, Brune M, Nawroth P, Fischer A. Quantification of All-Trans Retinoic Acid by Liquid Chromatography-Tandem Mass Spectrometry and Association with Lipid Profile in Patients with Type 2 Diabetes. Metabolites 2021; 11:metabo11010060. [PMID: 33478094 PMCID: PMC7835841 DOI: 10.3390/metabo11010060] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 01/12/2021] [Accepted: 01/15/2021] [Indexed: 01/23/2023] Open
Abstract
Retinoic acids are vitamin A metabolites that have numerous essential functions in humans, and are also used as drugs to treat acne and acute promyelocytic leukemia. All-trans retinoic acid (atRA) is the major occurring metabolite of retinoic acid in humans. This study provides a sensitive and specific liquid chromatography-tandem mass spectrometry approach in order to quantify atRA in human plasma samples. The isolation of atRA by hyperacidified liquid-liquid extraction using hexane and ethyl acetate resulted in a recovery of 89.7 ± 9.2%. The lower limit of detection was 20 pg·mL-1, and 7 point calibration displayed good linearity (R2 = 0.994) in the range of 50-3200 pg mL-1. Selectivity was guaranteed by the use of two individual mass transitions (qualifier and quantifier), and precision and accuracy were determined intraday and interday with a coefficient variation of 9.3% (intraday) and 14.0% (interday). Moreover, the method could be used to isolate atRA from hyperlipidemic samples. Applying this method to plasma samples from patients with poorly controlled Type 2 diabetes significantly decreased atRA plasma levels as compared to those of the healthy controls. In addition, atRA concentrations were highly associated with increased low-density lipoprotein (LDL) and decreased high-density lipoprotein (HDL) cholesterol levels.
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Affiliation(s)
- Jakob Morgenstern
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
- Correspondence: ; Fax: +49-6221-565-226
| | - Thomas Fleming
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
| | - Elisabeth Kliemank
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
| | - Maik Brune
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
| | - Peter Nawroth
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
| | - Andreas Fischer
- Department of Internal Medicine I and Clinical Chemistry, University Hospital Heidelberg, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany; (T.F.); (E.K.); (M.B.); (P.N.); (A.F.)
- Division Vascular Signaling and Cancer (A270), German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany
- European Center for Angioscience, Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
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Guntner AS, Doppler C, Wechselberger C, Bernhard D, Buchberger W. HPLC-MS/MS Shows That the Cellular Uptake of All- Trans-Retinoic Acid under Hypoxia Is Downregulated by the Novel Active Agent 5-Methoxyleoligin. Cells 2020; 9:cells9092048. [PMID: 32911794 PMCID: PMC7563598 DOI: 10.3390/cells9092048] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 08/28/2020] [Accepted: 09/07/2020] [Indexed: 11/16/2022] Open
Abstract
All-trans-retinoic acid (atRA) is the essential derivative of vitamin A and is of interest due to its various biological key functions. As shown in the recent literature, atRA also plays a role in the failing heart during myocardial infarction, the leading cause of death globally. To date insufficient mechanistic information has been available on related hypoxia-induced cell damage and reperfusion injuries. However, it has been demonstrated that a reduction in cellular atRA uptake abrogates hypoxia-mediated cell and tissue damage, which may offer a new route for intervention. Consequently, in this study, the effect of the novel cardio-protective compound 5-methoxyleoligin (5ML) on cellular atRA uptake was tested in human umbilical-vein endothelial cells (HUVECs). For this purpose, a high-performance liquid chromatography tandem mass spectrometry (HPLC-MS/MS) method was developed to assess intra-cellular levels of the active substance and corresponding levels of vitamin A and its derivatives, including potential cis/trans isomers. This work also focused on light-induced isomerization and the stability of biological sample material to ensure sample integrity and avoid biased conclusions. This study provides evidence of the inhibitory effect of 5ML on cellular atRA uptake, a promising step toward a novel therapy for myocardial infarction.
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Affiliation(s)
- Armin Sebastian Guntner
- Institute of Analytical Chemistry, Johannes Kepler University Linz, 4040 Linz, Austria;
- Correspondence: ; Tel.: +43-732-2468-9700
| | - Christian Doppler
- Division of Pathophysiology, Institute of Physiology and Pathophysiology, Medical Faculty, Johannes Kepler University Linz, 4020 Linz, Austria; (C.D.); (C.W.); (D.B.)
| | - Christian Wechselberger
- Division of Pathophysiology, Institute of Physiology and Pathophysiology, Medical Faculty, Johannes Kepler University Linz, 4020 Linz, Austria; (C.D.); (C.W.); (D.B.)
| | - David Bernhard
- Division of Pathophysiology, Institute of Physiology and Pathophysiology, Medical Faculty, Johannes Kepler University Linz, 4020 Linz, Austria; (C.D.); (C.W.); (D.B.)
| | - Wolfgang Buchberger
- Institute of Analytical Chemistry, Johannes Kepler University Linz, 4040 Linz, Austria;
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Alatshan A, Kovács GE, Aladdin A, Czimmerer Z, Tar K, Benkő S. All-Trans Retinoic Acid Enhances both the Signaling for Priming and the Glycolysis for Activation of NLRP3 Inflammasome in Human Macrophage. Cells 2020; 9:cells9071591. [PMID: 32630207 PMCID: PMC7407903 DOI: 10.3390/cells9071591] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 06/19/2020] [Accepted: 06/26/2020] [Indexed: 02/06/2023] Open
Abstract
All-trans retinoic acid (ATRA) is a derivative of vitamin A that has many important biological functions, including the modulation of immune responses. ATRA actions are mediated through the retinoic acid receptor that functions as a nuclear receptor, either regulating gene transcription in the nucleus or modulating signal transduction in the cytoplasm. NLRP3 inflammasome is a multiprotein complex that is activated by a huge variety of stimuli, including pathogen- or danger-related molecules. Activation of the inflammasome is required for the production of IL-1β, which drives the inflammatory responses of infectious or non-infectious sterile inflammation. Here, we showed that ATRA prolongs the expression of IL-6 and IL-1β following a 2-, 6-, 12-, and 24-h LPS (100ng/mL) activation in human monocyte-derived macrophages. We describe for the first time that ATRA modulates both priming and activation signals required for NLRP3 inflammasome function. ATRA alone induces NLRP3 expression, and enhances LPS-induced expression of NLRP3 and pro-IL-1β via the regulation of signal transduction pathways, like NF-κB, p38, and ERK. We show that ATRA alleviates the negative feedback loop effect of IL-10 anti-inflammatory cytokine on NLRP3 inflammasome function by inhibiting the Akt-mTOR-STAT3 signaling axis. We also provide evidence that ATRA enhances hexokinase 2 expression, and shifts the metabolism of LPS-activated macrophages toward glycolysis, leading to the activation of NLRP3 inflammasome.
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Affiliation(s)
- Ahmad Alatshan
- Departments of Physiology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary; (A.A.); (G.E.K.)
- Doctoral School of Molecular Cellular and Immune Biology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary
| | - Gergő E. Kovács
- Departments of Physiology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary; (A.A.); (G.E.K.)
- Doctoral School of Molecular Cellular and Immune Biology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary
| | - Azzam Aladdin
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.A.); (K.T.)
- Doctoral School of Molecular Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zsolt Czimmerer
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary;
| | - Krisztina Tar
- Department of Medical Chemistry, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; (A.A.); (K.T.)
| | - Szilvia Benkő
- Departments of Physiology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary; (A.A.); (G.E.K.)
- Doctoral School of Molecular Cellular and Immune Biology, Faculty of Medicine, University of Debrecen, H-4012 Debrecen, Hungary
- Correspondence: ; Tel.: +36-52-255-575
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31
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Quantification of fat-soluble vitamins and their metabolites in biological matrices: an updated review. Bioanalysis 2020; 12:625-640. [DOI: 10.4155/bio-2020-0069] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Fat-soluble vitamins (FSVs) are micronutrients essential in maintaining normal physiological function, metabolism and human growth. Ongoing increased awareness regarding FSV concentrations and their impact on human growth along with disease progression warrant the need of developing selective and sensitive analytical methods. LC–MS/MS is currently the method of choice for accurate quantitation of FSVs. However, there are multiple approaches for extraction, separation and calibration of FSVs in biological matrices. This review discusses recent LC–MS/MS methods for the simultaneous quantification of FSVs in biological matrices and summarizes sample pretreatment procedures, chromatographic conditions and calibration approaches. Current challenges and clinical applications in various disease states are also highlighted.
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32
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Weber P, Flores RE, Kiefer MF, Schupp M. Retinol Saturase: More than the Name Suggests. Trends Pharmacol Sci 2020; 41:418-427. [PMID: 32345479 DOI: 10.1016/j.tips.2020.03.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 03/25/2020] [Accepted: 03/30/2020] [Indexed: 12/11/2022]
Abstract
Retinol saturase (RetSat) is an oxidoreductase that is expressed in metabolically active tissues and is highly regulated in conditions related to insulin resistance and type 2 diabetes. Thus far, RetSat has been implicated in adipocyte differentiation, hepatic glucose and lipid metabolism, macrophage function, vision, and the generation of reactive oxygen species (ROS). Although initially described to transform retinol to 13,14-dihydroretinol, a function it was named after, alternative enzymatic reactions may underlie some of these biological effects. We summarize recent findings and identify major obstacles standing in the way of its pharmacological exploitation, how we might overcome these, and discuss the therapeutic potential of modulating the activity of RetSat in alleviating human pathologies.
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Affiliation(s)
- Pamela Weber
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, 10115 Berlin, Germany
| | - Roberto E Flores
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, 10115 Berlin, Germany
| | - Marie F Kiefer
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, 10115 Berlin, Germany
| | - Michael Schupp
- Charité-Universitätsmedizin Berlin, corporate member of Freie Universität Berlin, Humboldt-Universität zu Berlin, and Berlin Institute of Health, Institute of Pharmacology, Center for Cardiovascular Research, 10115 Berlin, Germany.
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33
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Shannon SR, Yu J, Defnet AE, Bongfeldt D, Moise AR, Kane MA, Trainor PA. Identifying vitamin A signaling by visualizing gene and protein activity, and by quantification of vitamin A metabolites. Methods Enzymol 2020; 637:367-418. [PMID: 32359653 DOI: 10.1016/bs.mie.2020.03.011] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Vitamin A (retinol) is an essential nutrient for embryonic development and adult homeostasis. Signaling by vitamin A is carried out by its active metabolite, retinoic acid (RA), following a two-step conversion. RA is a small, lipophilic molecule that can diffuse from its site of synthesis to neighboring RA-responsive cells where it binds retinoic acid receptors within RA response elements of target genes. It is critical that both vitamin A and RA are maintained within a tight physiological range to protect against developmental disorders and disease. Therefore, a series of compensatory mechanisms exist to ensure appropriate levels of each. This strict regulation is provided by a number synthesizing and metabolizing enzymes that facilitate the precise spatiotemporal control of vitamin A metabolism, and RA synthesis and signaling. In this chapter we describe protocols that (1) biochemically isolate and quantify vitamin A and its metabolites and (2) visualize the spatiotemporal activity of genes and proteins involved in the signaling pathway.
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Affiliation(s)
- Stephen R Shannon
- Stowers Institute for Medical Research, Kansas City, MO, United States; University of Kansas Medical Center, Department of Anatomy and Cell Biology, Kansas City, KS, United States
| | - Jianshi Yu
- University of Maryland Baltimore, School of Pharmacy, Department of Pharmaceutical Sciences, Baltimore, MD, United States
| | - Amy E Defnet
- University of Maryland Baltimore, School of Pharmacy, Department of Pharmaceutical Sciences, Baltimore, MD, United States
| | - Danika Bongfeldt
- Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, ON, Canada; Departments of Chemistry and Biochemistry, and Biology and Biomolecular Sciences Program, Laurentian University, Sudbury, ON, Canada
| | - Alexander R Moise
- Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, ON, Canada; Departments of Chemistry and Biochemistry, and Biology and Biomolecular Sciences Program, Laurentian University, Sudbury, ON, Canada
| | - Maureen A Kane
- University of Maryland Baltimore, School of Pharmacy, Department of Pharmaceutical Sciences, Baltimore, MD, United States
| | - Paul A Trainor
- Stowers Institute for Medical Research, Kansas City, MO, United States; University of Kansas Medical Center, Department of Anatomy and Cell Biology, Kansas City, KS, United States.
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34
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Beedle MT, Stevison F, Zhong G, Topping T, Hogarth C, Isoherranen N, Griswold MD. Sources of all-trans retinal oxidation independent of the aldehyde dehydrogenase 1A isozymes exist in the postnatal testis†. Biol Reprod 2020; 100:547-560. [PMID: 30247516 DOI: 10.1093/biolre/ioy200] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 08/01/2018] [Accepted: 09/11/2018] [Indexed: 02/06/2023] Open
Abstract
Despite the essential role of the active metabolite of vitamin A, all-trans retinoic acid (atRA) in spermatogenesis, the enzymes, and cellular populations responsible for its synthesis in the postnatal testis remain largely unknown. The aldehyde dehydrogenase 1A (ALDH1A) family of enzymes residing within Sertoli cells is responsible for the synthesis of atRA, driving the first round of spermatogenesis. Those studies also revealed that the atRA required to drive subsequent rounds of spermatogenesis is possibly derived from the ALDH1A enzymes residing within the meiotic and post-meiotic germ cells. Three ALDH1A isozymes (ALDH1A1, ALDH1A2, and ALDH1A3) are present in the testis. Although, ALDH1A1 is expressed in adult Sertoli cells and is suggested to contribute to the atRA required for the pre-meiotic transitions, ALDH1A2 is proposed to be the essential isomer involved in testicular atRA biosynthesis. In this report, we first examine the requirement for ALDH1A2 via the generation and analysis of a conditional Aldh1a2 germ cell knockout and a tamoxifen-induced Aldh1a2 knockout model. We then utilized the pan-ALDH1A inhibitor (WIN 18446) to test the collective contribution of the ALDH1A enzymes to atRA biosynthesis following the first round of spermatogenesis. Collectively, our data provide the first in vivo evidence demonstrating that animals severely deficient in ALDH1A2 postnatally proceed normally through spermatogenesis. Our studies with a pan-ALDH1A inhibitor (WIN 18446) also suggest that an alternative source of atRA biosynthesis independent of the ALDH1A enzymes becomes available to maintain atRA levels for several spermatogenic cycles following an initial atRA injection.
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Affiliation(s)
- My-Thanh Beedle
- School of Molecular Biosciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
| | - Faith Stevison
- Department of Pharmaceutics, University of Washington, Seattle, Washington, USA
| | - Guo Zhong
- Department of Pharmaceutics, University of Washington, Seattle, Washington, USA
| | - Traci Topping
- School of Molecular Biosciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
| | - Cathryn Hogarth
- School of Molecular Biosciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
| | - Nina Isoherranen
- Department of Pharmaceutics, University of Washington, Seattle, Washington, USA
| | - Michael D Griswold
- School of Molecular Biosciences and Center for Reproductive Biology, Washington State University, Pullman, Washington, USA
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35
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Czuba LC, Zhong G, Yabut KC, Isoherranen N. Analysis of vitamin A and retinoids in biological matrices. Methods Enzymol 2020; 637:309-340. [PMID: 32359651 DOI: 10.1016/bs.mie.2020.02.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Vitamin A signaling pathways are predominantly driven by the cellular concentrations of all-trans-retinoic acid (atRA), as the main mechanism of retinoid signaling is via activation of retinoic acid receptors. atRA concentrations are in turn controlled by the storage of vitamin A and enzymatic processes that synthesize and clear atRA. This has resulted in the need for robust and highly specific analytical methods to accurately quantify retinoids in diverse biological matrices. Tissue-specific differences in both the quantity of retinoids and background matrix interferences can confound the quantification of retinoids, and the bioanalysis requires high performance instrumentation, such as liquid chromatography mass-spectrometry (LC-MS). Successful bioanalysis of retinoids is further complicated by the innate structural instability of retinoids and their relatively high lipophilicity. Further, in vitro experiments with retinoids require attention to experimental design and interpretation to account for the instability of retinoids due to isomerization and degradation, sequential metabolism to numerous structurally similar metabolites, and substrate depletion during experiments. In addition, in vitro biological activity is often confounded by residual presence of retinoids in common biological reagents such as cell culture media. This chapter identifies common biological and analytical complexities in retinoid bioanalysis in diverse biological matrices, and in the use of retinoids in cell culture and metabolic incubations. In addition, this chapter highlights best practices for the successful detection and quantification of the vitamin A metabolome in a wide range of biological matrices.
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Affiliation(s)
- Lindsay C Czuba
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - Guo Zhong
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - King C Yabut
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States
| | - Nina Isoherranen
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, WA, United States.
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36
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37
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Khalil NY, Darwish IA, Al-Qahtani AA. Isotretinoin. PROFILES OF DRUG SUBSTANCES, EXCIPIENTS, AND RELATED METHODOLOGY 2019; 45:119-157. [PMID: 32164966 DOI: 10.1016/bs.podrm.2019.10.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Isotretinoin is chemically named as: (2Z, 4E, 6E, 8E)-3,7-Dimethyl-9-(2,6,6-trimethylcyclohex-1-enyl)nona-2,4,6,8-tetraenoic acid. It is an orally active retinoic acid derivative for the treatment of severe refractory nodulocystic acne. It acts primarily by reducing sebaceous gland size and sebum production, and as a result alters skin surface lipid composition. Using isotretinoin for 1-2mg/kg/day for 3-4 months produces 60%-95% clearance of inflammatory lesions in patients with acne. Doses as low as 0.1mg/kg/day have also proven successful in the clearance of lesions. Encouraging results have also been seen in small numbers of patients with rosacea, Side effects affecting the mucocutaneous system and raised serum triglyceride levels occur in most patients receiving isotretinoin. Isotretinoin is strictly contraindicated in women of childbearing potential. This profile discusses and explains names of isotretinoin, its physical and chemical characteristics. It also includes methods of preparation, thermal and spectral behavior, methods of analysis, and pharmacology.
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Affiliation(s)
- Nasr Y Khalil
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
| | - Ibrahim A Darwish
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia; Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, Assiut, Egypt
| | - Abdulmohsen A Al-Qahtani
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh, Saudi Arabia
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38
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Wang S, Yu J, Kane MA, Moise AR. Modulation of retinoid signaling: therapeutic opportunities in organ fibrosis and repair. Pharmacol Ther 2019; 205:107415. [PMID: 31629008 DOI: 10.1016/j.pharmthera.2019.107415] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 09/17/2019] [Indexed: 02/08/2023]
Abstract
The vitamin A metabolite, retinoic acid, is an important signaling molecule during embryonic development serving critical roles in morphogenesis, organ patterning and skeletal and neural development. Retinoic acid is also important in postnatal life in the maintenance of tissue homeostasis, while retinoid-based therapies have long been used in the treatment of a variety of cancers and skin disorders. As the number of people living with chronic disorders continues to increase, there is great interest in extending the use of retinoid therapies in promoting the maintenance and repair of adult tissues. However, there are still many conflicting results as we struggle to understand the role of retinoic acid in the multitude of processes that contribute to tissue injury and repair. This review will assess our current knowledge of the role retinoic acid signaling in the development of fibroblasts, and their transformation to myofibroblasts, and of the potential use of retinoid therapies in the treatment of organ fibrosis.
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Affiliation(s)
- Suya Wang
- Department of Cardiology, Boston Children's Hospital, 300 Longwood Avenue, Boston, MA, 02115, USA
| | - Jianshi Yu
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, 21201, USA
| | - Maureen A Kane
- Department of Pharmaceutical Sciences, School of Pharmacy, University of Maryland, Baltimore, MD, 21201, USA.
| | - Alexander R Moise
- Medical Sciences Division, Northern Ontario School of Medicine, Sudbury, ON P3E 2C6, Canada; Departments of Chemistry and Biochemistry, and Biology and Biomolecular Sciences Program, Laurentian University, Sudbury, ON, P3E 2C6, Canada.
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39
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Rühl R, Krezel W, de Lera AR. 9-Cis-13,14-dihydroretinoic acid, a new endogenous mammalian ligand of retinoid X receptor and the active ligand of a potential new vitamin A category: vitamin A5. Nutr Rev 2019; 76:929-941. [PMID: 30358857 DOI: 10.1093/nutrit/nuy057] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The identity of the endogenous RXR ligand has not been conclusively determined, even though several compounds of natural origin, including retinoids and fatty acids, have been postulated to fulfill this role. Filling this gap, 9-cis-13,14-dihydroretinoic acid (9CDHRA) was identified as an endogenous RXR ligand in mice. This review examines the physiological relevance of various potential endogenous RXR ligands, especially 9CDHRA. The elusive steps in the metabolic synthesis of 9CDHRA, as well as the nutritional/nutrimetabolic origin of 9CDHRA, are also explored, along with the suitability of the ligand to be the representative member of a novel vitamin A class (vitamin A5).
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Affiliation(s)
- Ralph Rühl
- Paprika Bioanalytics BT, Debrecen, Hungary
| | - Wojciech Krezel
- Institut de Génétique et de Biologie Moléculaire et Cellulaire, Inserm, Centre National Recherche Scientifique (CNRS), Université de Strasbourg, Illkirch, France.,Fédération de Médecine Translationnelle de Strasbourg, Université de Strasbourg, Strasbourg, France
| | - Angel R de Lera
- Departamento de Química Orgánica, Facultad de Química, Centro De Investigaciones Biomédicasand Instituto de Investigación Biomédica de Vigo, Universidade de Vigo, Campus Lagoas-Marcosende, Vigo, Spain
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40
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Yamada S, Kawasaki M, Fujihara M, Watanabe M, Takamura Y, Takioku M, Nishioka H, Takeuchi Y, Makishima M, Motoyama T, Ito S, Tokiwa H, Nakano S, Kakuta H. Competitive Binding Assay with an Umbelliferone-Based Fluorescent Rexinoid for Retinoid X Receptor Ligand Screening. J Med Chem 2019; 62:8809-8818. [PMID: 31483660 DOI: 10.1021/acs.jmedchem.9b00995] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Ligands for retinoid X receptors (RXRs), "rexinoids", are attracting interest as candidates for therapy of type 2 diabetes and Alzheimer's and Parkinson's diseases. However, current screening methods for rexinoids are slow and require special apparatus or facilities. Here, we created 7-hydroxy-2-oxo-6-(3,5,5,8,8-pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)-2H-chromene-3-carboxylic acid (10, CU-6PMN) as a new fluorescent RXR agonist and developed a screening system of rexinoids using 10. Compound 10 was designed based on the fact that umbelliferone emits strong fluorescence in a hydrophilic environment, but the fluorescence intensity decreases in hydrophobic environments such as the interior of proteins. The developed assay using 10 enabled screening of rexinoids to be performed easily within a few hours by monitoring changes of fluorescence intensity with widely available fluorescence microplate readers, without the need for processes such as filtration.
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Affiliation(s)
- Shoya Yamada
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan.,Research Fellowship Division , Japan Society for the Promotion of Science , Sumitomo-Ichibancho FS Bldg., 8 Ichibancho , Chiyoda-ku, Tokyo 102-8472 , Japan
| | - Mayu Kawasaki
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences , University of Shizuoka , 52-1 Yada , Suruga-ku, Shizuoka 422-8526 , Japan
| | - Michiko Fujihara
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan.,AIBIOS Co. Ltd. , Tri-Seven Roppongi 8F 7-7-7 Roppongi , Minato-ku, Tokyo 106-0032 Japan
| | - Masaki Watanabe
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
| | - Yuta Takamura
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
| | - Maho Takioku
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
| | - Hiromi Nishioka
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
| | - Yasuo Takeuchi
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
| | - Makoto Makishima
- Division of Biochemistry, Department of Biomedical Sciences , Nihon University School of Medicine , 30-1 Oyaguchi-kamicho , Itabashi-ku, Tokyo 173-8610 , Japan
| | - Tomoharu Motoyama
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences , University of Shizuoka , 52-1 Yada , Suruga-ku, Shizuoka 422-8526 , Japan
| | - Sohei Ito
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences , University of Shizuoka , 52-1 Yada , Suruga-ku, Shizuoka 422-8526 , Japan
| | | | - Shogo Nakano
- Graduate School of Integrated Pharmaceutical and Nutritional Sciences , University of Shizuoka , 52-1 Yada , Suruga-ku, Shizuoka 422-8526 , Japan
| | - Hiroki Kakuta
- Division of Pharmaceutical Sciences , Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences , 1-1-1, Tsushima-naka , Kita-ku, Okayama 700-8530 , Japan
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Zhong G, Kirkwood J, Won KJ, Tjota N, Jeong H, Isoherranen N. Characterization of Vitamin A Metabolome in Human Livers With and Without Nonalcoholic Fatty Liver Disease. J Pharmacol Exp Ther 2019; 370:92-103. [PMID: 31043436 PMCID: PMC6548984 DOI: 10.1124/jpet.119.258517] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 04/25/2019] [Indexed: 01/08/2023] Open
Abstract
Retinoids are essential endogenous compounds involved in regulation of critical biologic processes, including maintenance of metabolic homeostasis in the liver. Much of the knowledge of altered retinoid homeostasis in human disease states is derived from changes in indirect markers such as mRNA expression of retinoid-related genes and circulating concentrations of retinol or its binding protein RBP4. We hypothesized that in the human liver, concentrations of the active retinoid all-trans-retinoic acid (atRA) correlate with the concentrations of retinyl palmitate (RP), the storage form of atRA, retinol, the inactive vitamin A, and the mRNA expression of retinoid-related genes. On the basis of existing knowledge of altered vitamin A homeostasis in metabolic syndrome, we also predicted that in human livers with nonalcoholic fatty liver disease (NAFLD) retinoid concentrations would be decreased. Using novel liquid chromatography-tandem mass spectrometry methods, the hepatic vitamin A metabolome was quantified in normal human livers (n = 50) and 22 livers from donors with NAFLD. The hepatic concentrations of RP, atRA, 13-cisRA, and 4-oxo-atRA were significantly decreased in NAFLD samples in comparison with normal liver samples, whereas retinol levels remained unchanged. The concentrations of atRA were positively correlated with RP and 13-cisRA but not with retinol or the relative mRNA expression of LRAT, ALDH1A1, CYP26A1, RARα, and RARβ An active metabolite of atRA, 4-oxo-atRA was, for the first time, detected in human tissues at comparable concentration with RA isomers, suggesting this retinoid may contribute to retinoid signaling in humans. SIGNIFICANCE STATEMENT: This study shows that in NAFLD liver vitamin A homeostasis is disrupted potentially contributing to disease progression. The results show that interpretation of retinoid homeostasis on the basis of indirect markers such as retinol concentrations or mRNA data is probably misleading when evaluating human disease processes, and analysis of the broader retinoid metabolome is needed to characterize disease effects on retinoid signaling.
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Affiliation(s)
- Guo Zhong
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
| | - Jay Kirkwood
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
| | - Kyoung-Jae Won
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
| | - Natalie Tjota
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
| | - Hyunyoung Jeong
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
| | - Nina Isoherranen
- Department of Pharmaceutics, University of Washington, Seattle, Washington (G.Z., J.K., N.T., N.I.) and Department of Pharmacy Practice, University of Illinois, Chicago, Illinois (K.-J.W., H.J.)
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42
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Abstract
Much evidence has accumulated in the literature over the last fifteen years that indicates vitamin A has a role in metabolic disease prevention and causation. This literature proposes that vitamin A can affect obesity development and the development of obesity-related diseases including insulin resistance, type 2 diabetes, hepatic steatosis and steatohepatitis, and cardiovascular disease. Retinoic acid, the transcriptionally active form of vitamin A, accounts for many of the reported associations. However, a number of proteins involved in vitamin A metabolism, including retinol-binding protein 4 (RBP4) and aldehyde dehydrogenase 1A1 (ALDH1A1, alternatively known as retinaldehyde dehydrogenase 1 or RALDH1), have also been identified as being associated with metabolic disease. Some of the reported effects of these vitamin A-related proteins are proposed to be independent of their roles in assuring normal retinoic acid homeostasis. This review will consider both human observational data as well as published data from molecular studies undertaken in rodent models and in cells in culture. The primary focus of the review will be on the effects that vitamin A per se and proteins involved in vitamin A metabolism have on adipocytes, adipose tissue biology, and adipose-related disease, as well as on early stage liver disease, including non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH).
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Affiliation(s)
- William S Blaner
- Department of Medicine, College of Physicians and Surgeons, Columbia University, New York, New York 10032.
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43
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Ning M, Duarte JD, Stevison F, Isoherranen N, Rubin LH, Jeong H. Determinants of Cytochrome P450 2D6 mRNA Levels in Healthy Human Liver Tissue. Clin Transl Sci 2019; 12:416-423. [PMID: 30821899 PMCID: PMC6618095 DOI: 10.1111/cts.12632] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 02/07/2019] [Indexed: 12/28/2022] Open
Abstract
Cytochrome P450 2D6 (CYP2D6) is a major drug‐metabolizing enzyme that exhibits large interindividual variability. Recent studies suggest that differential transcriptional regulation of CYP2D6 in part may be responsible for the variability. In this study, we characterized potential determinants of CYP 2D6 transcript levels in healthy human liver tissue samples (n = 115), including genetic polymorphisms in CYP2D6 and the genes encoding transcription regulators for CYP2D6 expression; mRNA expression of the transcription factors and their known target genes; and hepatic levels of bile acids and retinoids, agents that modulate the expression/activity of the transcription factors. Their associations with CYP2D6 mRNA levels in the tissues were examined. Results from multivariable linear regression analysis revealed CYP8B1 mRNA level and rs3892097, the single‐ nucleotide polymorphism defining the nonfunctional CYP2D6*4 allele, as the two most significant predictors of CYP2D6 mRNA levels in the liver tissue samples, explaining 30% of the variability.
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Affiliation(s)
- Miaoran Ning
- Department of Biopharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois, USA
| | - Julio D Duarte
- Department of Pharmacotherapy and Translational Research, College of Pharmacy, Center for Pharmacogenomics, University of Florida, Gainesville, Florida, USA
| | - Faith Stevison
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington, USA
| | - Nina Isoherranen
- Department of Pharmaceutics, School of Pharmacy, University of Washington, Seattle, Washington, USA
| | - Leah H Rubin
- Department of Psychiatry, University of Illinois at Chicago, Chicago, Illinois, USA.,Department of Neurology, Hopkins School of Medicine, Baltimore, Maryland, USA
| | - Hyunyoung Jeong
- Department of Biopharmaceutical Sciences, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois, USA.,Department of Pharmacy Practice, College of Pharmacy, University of Illinois at Chicago, Chicago, Illinois, USA
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Kucheryavenko O, Lurman G, Lehmann A, Braz J, Niemann L, Chahoud I, Mantovani A, Håkansson H, Schneider S, Strauss V, Coder PS, Freyberger A, O'Connor JC, Rauch M, Renko K, Solano MLM, Andersson N, Blanck O, Ritz V, Solecki R. Report from the BfR expert hearing on practicability of hormonal measurements: recommendations for experimental design of toxicological studies with integrated hormonal end points. Arch Toxicol 2019; 93:1157-1167. [PMID: 30929029 DOI: 10.1007/s00204-019-02436-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 03/14/2019] [Indexed: 11/30/2022]
Abstract
This publication summarizes discussions that were held during an international expert hearing organized by the German Federal Institute for Risk Assessment (BfR) in Berlin, Germany, in October 2017. The expert hearing was dedicated to providing practical guidance for the measurement of circulating hormones in regulatory toxicology studies. Adequate measurements of circulating hormones have become more important given the regulatory requirement to assess the potential for endocrine disrupting properties for all substances covered by the plant protection products and biocidal products regulations in the European Union (EU). The main focus was the hypothalamus-pituitary-thyroid axis (HPT) and the hypothalamus-pituitary-gonadal axis (HPG). Insulin, insulin-like growth factor 1 (IGF-1), parathyroid hormone (PTH) and vitamins A and D were also discussed. During the hearing, the experts agreed on specific recommendations for design, conduct and evaluation of acceptability of studies measuring thyroid hormones, thyroid stimulating hormone and reproductive hormones as well as provided some recommendations for insulin and IGF-1. Experts concluded that hormonal measurements as part of the test guidelines (TGs) of the Organisation for Economic Co-operation and Development (OECD) were necessary on the condition that quality criteria to guarantee reliability and reproducibility of measurements are adhered to. Inclusion of the female reproductive hormones in OECD TGs was not recommended unless the design of the study was modified to appropriately measure hormone concentrations. The current report aims at promoting standardization of the experimental designs of hormonal assays to allow their integration in OECD TGs and highlights research needs for better identification of endocrine disruptors using hormone measurements.
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Affiliation(s)
| | - Glenn Lurman
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Anja Lehmann
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Juliana Braz
- German Federal Institute for Risk Assessment, Berlin, Germany
- Brazilian Health Regulatory Agency (ANVISA), Brasília, Brazil
| | - Lars Niemann
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Ibrahim Chahoud
- Institute of Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | | | | | | | | | | | | | - John C O'Connor
- DuPont Haskell Global Center for Health & Environmental Sciences, Newark, Delaware, USA
| | - Martina Rauch
- European Food Safety Authority (EFSA), Parma, Italy
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Kostja Renko
- Institute of Experimental Endocrinology, Charité-Universitätsmedizin Berlin, Berlin, Germany
| | - Marize L M Solano
- German Federal Institute for Risk Assessment, Berlin, Germany
- CTGB, Ede, The Netherlands
| | | | | | - Vera Ritz
- German Federal Institute for Risk Assessment, Berlin, Germany
| | - Roland Solecki
- German Federal Institute for Risk Assessment, Berlin, Germany
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Abstract
Retinoid X receptors (RXRs) are promiscuous partners of heterodimeric associations with other members of the Nuclear Receptor (NR) superfamily. RXR ligands ("rexinoids") either transcriptionally activate the "permissive" subclass of heterodimers or synergize with partner ligands in the "nonpermissive" subclass of heterodimers. The rationale for rexinoid design with a wide structural diversity going from the structures of existing complexes with RXR determined by X-Ray, to natural products and other ligands discovered by high-throughput screening (HTS), mere serendipity, and rationally designed based on Molecular Modeling, will be described. Included is the new generation of ligands that modulate the structure of specific receptor surfaces that serve to communicate with other regulators. The panel of the known RXR agonists, partial (ant)agonists, and/or heterodimer-selective rexinoids require the exploration of their therapeutic potential in order to overcome some of the current limitations of rexinoids in therapy.
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Affiliation(s)
- Claudio Martínez
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IBIV, Universidade de Vigo, Vigo, Spain
| | - José A Souto
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IBIV, Universidade de Vigo, Vigo, Spain
| | - Angel R de Lera
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IBIV, Universidade de Vigo, Vigo, Spain.
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46
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Li XB, Liu T, Fan L, Gao Q, Peng Q, Cai T, Wang LM. Circulating serum level of retinoic acid and hip fractures among postmenopausal women. J Am Geriatr Soc 2018; 67:336-341. [PMID: 30517774 DOI: 10.1111/jgs.15667] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 09/28/2018] [Accepted: 09/28/2018] [Indexed: 11/27/2022]
Abstract
PURPOSE The aim of this study was to evaluate the serum levels of retinoic acid (RA), an active form of vitamin A, in postmenopausal women with hip fractures from Zhengzhou, China. METHODS This was a case-control study from the Affiliated Hospital of Zhengzhou University. Serum samples were drawn from 375 postmenopausal women who were diagnosed as having hip fracture and 750 matched controls without fracture. Serum RA levels were evaluated as both a continuous variable and a categorical variable in quintiles. RESULTS The results showed that the serum levels of RA were significantly (P = .039) higher in patients with hip fracture compared with controls. In univariate and multivariate logistic regression analysis, for each 1 ng/mL increase of serum level of RA, the unadjusted and adjusted risk of hip fracture would be increased by 5% (odds ratio [OR] = 1.05; 95% confidence interval [CI] = 1.00-1.10; P = .035) and 2% (OR = 1.02; 95% CI = 0.95-1.11; P = .096), respectively. In multivariate models comparing the fifth with the third quintiles of RA, the RA was associated with hip fracture, and adjusted risk of hip fracture would be increased by 52% (OR = 1.52; 95% CI = 1.13-1.42; P = .011). CONCLUSIONS The results of our study suggest that subclinical higher levels of RA may increase the risk of hip fracture in postmenopausal women, particularly among the top quintile of serum RA. J Am Geriatr Soc 67:336-341, 2019.
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Affiliation(s)
- Xiao-Bin Li
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.,Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Tao Liu
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Lei Fan
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Qiang Gao
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Qiang Peng
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Teng Cai
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, China
| | - Li-Min Wang
- Department of Orthopedics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
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47
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Decreased levels of serum retinoic acid in chinese children with autism spectrum disorder. Psychiatry Res 2018; 269:469-473. [PMID: 30195740 DOI: 10.1016/j.psychres.2018.08.091] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 07/03/2018] [Accepted: 08/24/2018] [Indexed: 01/31/2023]
Abstract
Previous studies framed a possible link of retinoic acid (RA) regulation in brain to autism spectrum disorders (ASD) etiology. The aim of this study was to measure serum levels of RA in relation to the degree of the severity of autism. Serum RA levels were measured by enzyme-linked immunosorbent assay (ELISA) colorimetric detection Kit in 81 children with autism and 81 age-sex matched typical development children. The severity of autistic symptomatology was measured by the Childhood Autism Rating Scale (CARS) score using the Chinese version. The serum levels of RA in the children with ASD (1.68 ± 0.52 ng/ml) were significantly lower than those of control subjects (2.13 ± 0.71 ng/ml) (P < 0.001). At admission, 57 children (70.4%) had a severe autism. In those children, the mean serum RA levels were lower than in those children with mild to moderate autism (1.57 ± 0.47 ng/ml VS. 1.95 ± 0.55 ng/ml; P = 0.003). Furthermore, in multivariate model, low RA level was associated with having/the presence of ASD (adjusted odd ratio[OR] 0.516; P = 0.003) and severe ASD (OR 0.415; P = 0.015) after adjusted for confounding factors. The data suggested that serum RA levels were reduced in the group with ASD, and the levels negative correlated significantly with the severity of autism.
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48
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Cooperstone JL, Novotny JA, Riedl KM, Cichon MJ, Francis DM, Curley RW, Schwartz SJ, Harrison EH. Limited appearance of apocarotenoids is observed in plasma after consumption of tomato juices: a randomized human clinical trial. Am J Clin Nutr 2018; 108:784-792. [PMID: 30239552 PMCID: PMC6186210 DOI: 10.1093/ajcn/nqy177] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2018] [Accepted: 07/03/2018] [Indexed: 12/28/2022] Open
Abstract
Background Nonvitamin A apocarotenoids occur in foods. Some function as retinoic acid receptor antagonists in vitro, though it is unclear if apocarotenoids are absorbed or accumulate to levels needed to elicit biological function. Objective The aim of this study was to quantify carotenoids and apocarotenoids (β-apo-8'-, -10'-, -12'-, and -14'-carotenal, apo-6'-, -8'-, -10'-, -12'-, and -14'-lycopenal, retinal, acycloretinal, β-apo-13-carotenone, and apo-13-lycopenone) in human plasma after controlled consumption of carotenoid-rich tomato juices. Design Healthy subjects (n = 35) consumed a low-carotenoid diet for 2 wk, then consumed 360 mL of high-β-carotene tomato juice (30.4 mg of β-carotene, 34.5 μg total β-apocarotenoids/d), high-lycopene tomato juice (42.5 mg of lycopene, 119.2 μg total apolycopenoids/d), or a carotenoid-free control (cucumber juice) per day for 4 wk. Plasma was sampled at baseline (after washout) and after 2 and 4 wk, and analyzed for carotenoids and apocarotenoids using high-pressure liquid chromatography (HPLC) and HPLC-tandem mass spectrometry, respectively. The methods used to analyze the apocarotenoids had limits of detection of ∼ 100 pmol/L. Results Apocarotenoids are present in tomato juices at 0.1-0.5% of the parent carotenoids. Plasma lycopene and β-carotene increased (P < 0.001) after consuming high-lycopene and β-carotene tomato juices, respectively, while retinol remained unchanged. β-Apo-13-carotenone was found in the blood of all subjects at every visit, although elevated (P < 0.001) after consuming β-carotene tomato juice for 4 wk (1.01 ± 0.27 nmol/L) compared with both baseline (0.37 ± 0.17 nmol/L) and control (0.46 ± 0.11 nmol/L). Apo-6'-lycopenal was detected or quantifiable in 29 subjects, while β-apo-10'- and 12'-carotenal were detected in 6 and 2 subjects, respectively. No other apolycopenoids or apocarotenoids were detected. Conclusions β-Apo-13-carotenone was the only apocarotenoid that was quantifiable in all subjects, and was elevated in those consuming high-β-carotene tomato juice. Levels were similar to previous reports of all-trans-retinoic acid. Other apocarotenoids are either poorly absorbed or rapidly metabolized or cleared, and so are absent or limited in blood. β-Apo-13-carotenone may form from vitamin A and its presence warrants further investigation. This trial was registered at clinicaltrials.gov as NCT02550483.
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Affiliation(s)
- Jessica L Cooperstone
- Horticulture and Crop Sciences, The Ohio State University, Columbus, OH,Food Science and Technology, The Ohio State University, Columbus, OH,Address correspondence to JLC (e-mail: )
| | - Janet A Novotny
- USDA Agricultural Research Service, Beltsville Human Nutrition Research Center, Beltsville, MD
| | - Ken M Riedl
- Food Science and Technology, The Ohio State University, Columbus, OH
| | - Morgan J Cichon
- Food Science and Technology, The Ohio State University, Columbus, OH
| | - David M Francis
- Horticulture and Crop Sciences, The Ohio State University, Columbus, OH
| | - Robert W Curley
- Medicinal Chemistry and Pharmacognosy, The Ohio State University, Columbus, OH
| | - Steven J Schwartz
- Food Science and Technology, The Ohio State University, Columbus, OH
| | - Earl H Harrison
- Human Sciences, Human Nutrition, The Ohio State University, Columbus, OH,Address correspondence to EHH (e-mail: )
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49
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RARα supports the development of Langerhans cells and langerin-expressing conventional dendritic cells. Nat Commun 2018; 9:3896. [PMID: 30254197 PMCID: PMC6156335 DOI: 10.1038/s41467-018-06341-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Accepted: 08/29/2018] [Indexed: 01/11/2023] Open
Abstract
Langerhans cells (LC) are the prototype langerin-expressing dendritic cells (DC) that reside specifically in the epidermis, but langerin-expressing conventional DCs also reside in the dermis and other tissues, yet the factors that regulate their development are unclear. Because retinoic acid receptor alpha (RARα) is highly expressed by LCs, we investigate the functions of RARα and retinoic acid (RA) in regulating the langerin-expressing DCs. Here we show that the development of LCs from embryonic and bone marrow-derived progenitors and langerin+ conventional DCs is profoundly regulated by the RARα-RA axis. During LC differentiation, RARα is required for the expression of a LC-promoting transcription factor Runx3, but suppresses that of LC-inhibiting C/EBPβ. RARα promotes the development of LCs and langerin+ conventional DCs only in hypo-RA conditions, a function effectively suppressed at systemic RA levels. Our findings identify positive and negative regulatory mechanisms to tightly regulate the development of the specialized DC populations. Langerhans cells (LC) and langerin-expressing conventional dendritic cells are made from distinct progenitors and enriched in the distinct microenvironments of the skin. Here the authors show that these immune cells are regulated by retinoic acid receptor alpha (RARα) via simultaneous induction of LC-promoting Runx3 and repression of LC-inhibiting C/EBPβ.
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50
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Impact of Retinoic Acid on Immune Cells and Inflammatory Diseases. Mediators Inflamm 2018; 2018:3067126. [PMID: 30158832 PMCID: PMC6109577 DOI: 10.1155/2018/3067126] [Citation(s) in RCA: 132] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/16/2018] [Accepted: 06/28/2018] [Indexed: 12/14/2022] Open
Abstract
Vitamin A metabolite retinoic acid (RA) plays important roles in cell growth, differentiation, organogenesis, and reproduction and a key role in mucosal immune responses. RA promotes dendritic cells to express CD103 and to produce RA, enhances the differentiation of Foxp3+ inducible regulatory T cells, and induces gut-homing specificity in T cells. Although vitamin A is crucial for maintaining homeostasis at the intestinal barrier and equilibrating immunity and tolerance, including gut dysbiosis, retinoids perform a wide variety of functions in many settings, such as the central nervous system, skin aging, allergic airway diseases, cancer prevention and therapy, and metabolic diseases. The mechanism of RA is interesting to explore as both a mucosal adjuvant and a combination therapy with other effective agents. Here, we review the effect of RA on innate and adaptive immunity with a special emphasis on inflammatory status.
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