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Xuan W, Huang L, Xuan Y, Chen S, Tang J, Wei Y, Pan X, Hamblin MR. Use of the traditional Chinese medicine "compound healthy ear agent" to protect against age-related hearing loss in mice: A proteomics study. Heliyon 2024; 10:e26914. [PMID: 38434421 PMCID: PMC10907787 DOI: 10.1016/j.heliyon.2024.e26914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 02/21/2024] [Accepted: 02/21/2024] [Indexed: 03/05/2024] Open
Abstract
Background Previous studies have shown that the traditional Chinese medicine (TCM) called "compound healthy ear agent" (CHEA) had anti-apoptosis effects in cochlear hair cells and spiral ganglion neurons, and could protect mice hearing against presbycusis or age-related hearing loss (AHL), as well as aminoglycoside antibiotic-induced ototoxicity. Because its mechanisms of action are still unclear, we investigated the mechanism of action of CHEA against AHL in mice using proteomics techniques. Methods Eighteen C57BL/6J mice at 1 month of age were randomly divided into three groups: (A) drinking water until 2 months of age, K2M); (B) drinking water until 7 months of age to induce AHL, K7M; (C) drinking water containing CHEA daily until 7 months of age as treatment group, Z7M. At 2 or 7 months mice were sacrificed and their cochleae were removed for proteomics analysis. Results The numbers of proteins with a false discovery rate (FDR) < 1% were respectively 5873 for qualitative and 5492 for quantitative statistics. The numbers of proteins with differential enrichment at least 1.5-fold (p < 0.05) were respectively 351 for K7M vs K2M groups, 52 for Z7M vs K7M groups, 264 for Z7M vs K2M groups. The differentially expressed proteins in the Z7M group were involved in synaptic molecular transmission, energy metabolism, immune response, antioxidant defenses, and anti-apoptosis. Conclusion The TCM CHEA played a protective role against AHL in mice by regulating the expression of specific proteins and genes in cochlear hair cells and spiral ganglion neurons. Besides the pathways expected to be involved (antioxidant and anti-apoptosis), proteins related to immune response is a new finding of the present study.
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Affiliation(s)
- Weijun Xuan
- Department of Otorhinolaryngology, Head and Neck Surgery, First Clinical Medical College and Hospital, Guangxi University of Chinese Medicine, Nanning, China
- Department of Otorhinolaryngology, Head and Neck Surgery, International Zhuang Medical Hospital of Guangxi, Guangxi University of Chinese Medicine, Nanning, China
| | - Liyi Huang
- Department of Infection, The First Affiliated Hospital, Guangxi Medical University, Nanning, China
| | - Yi Xuan
- School of Engineering, Tufts University, Medford, MA, 02155, USA
| | - Sizhong Chen
- Department of Otorhinolaryngology, Renai Branch Hospital, Guangxi University of Chinese Medicine, Nanning, China
| | - Junbo Tang
- Department of Otorhinolaryngology, Renai Branch Hospital, Guangxi University of Chinese Medicine, Nanning, China
| | - Yulong Wei
- Department of Pharmaceutical Manufacturing, Ruikang Clinical Medical College, Guangxi University of Chinese Medicine, Nanning, China
| | - Xu Pan
- Department of Otorhinolaryngology, Renai Branch Hospital, Guangxi University of Chinese Medicine, Nanning, China
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
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Hussain Z, Qi Q, Zhu J, Anderson KE, Ma X. Protoporphyrin IX-induced phototoxicity: Mechanisms and therapeutics. Pharmacol Ther 2023; 248:108487. [PMID: 37392940 PMCID: PMC10529234 DOI: 10.1016/j.pharmthera.2023.108487] [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: 04/03/2023] [Revised: 06/18/2023] [Accepted: 06/27/2023] [Indexed: 07/03/2023]
Abstract
Protoporphyrin IX (PPIX) is an intermediate in the heme biosynthesis pathway. Abnormal accumulation of PPIX due to certain pathological conditions such as erythropoietic protoporphyria and X-linked protoporphyria causes painful phototoxic reactions of the skin, which can significantly impact daily life. Endothelial cells in the skin have been proposed as the primary target for PPIX-induced phototoxicity through light-triggered generation of reactive oxygen species. Current approaches for the management of PPIX-induced phototoxicity include opaque clothing, sunscreens, phototherapy, blood therapy, antioxidants, bone marrow transplantation, and drugs that increase skin pigmentation. In this review, we discuss the present understanding of PPIX-induced phototoxicity including PPIX production and disposition, conditions that lead to PPIX accumulation, symptoms and individual differences, mechanisms, and therapeutics.
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Affiliation(s)
- Zahir Hussain
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Qian Qi
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Junjie Zhu
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15261, USA
| | - Karl E Anderson
- Porphyria Laboratory and Center, Division of Gastroenterology and Hepatology, Department of Internal Medicine, University of Texas Medical Branch, Galveston, TX 77555, USA
| | - Xiaochao Ma
- Center for Pharmacogenetics, Department of Pharmaceutical Sciences, School of Pharmacy, University of Pittsburgh, Pittsburgh, PA 15261, USA.
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Munemoto S, Tsuchihara K, Fujishima C, Hioki C, Sasaki H, Yoshida H, Akasaka E, Nakano H, Kudo H. Novel mutation of the ferrochelatase gene in a Japanese boy with erythropoietic protoporphyria. J Dermatol 2022; 49:e179-e180. [PMID: 35152439 DOI: 10.1111/1346-8138.16319] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2021] [Accepted: 01/18/2022] [Indexed: 11/28/2022]
Affiliation(s)
- Sawa Munemoto
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Kayo Tsuchihara
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Chieko Fujishima
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Chika Hioki
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Hiroka Sasaki
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Haruka Yoshida
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
| | - Eijiro Akasaka
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hajime Nakano
- Department of Dermatology, Hirosaki University Graduate School of Medicine, Hirosaki, Japan
| | - Hitoshi Kudo
- Department of Dermatology, Hyogo Prefectural Amagasaki General Medical Center, Amagasaki, Japan
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Iron, Heme Synthesis and Erythropoietic Porphyrias: A Complex Interplay. Metabolites 2021; 11:metabo11120798. [PMID: 34940556 PMCID: PMC8705723 DOI: 10.3390/metabo11120798] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/18/2021] [Accepted: 11/19/2021] [Indexed: 12/13/2022] Open
Abstract
Erythropoietic porphyrias are caused by enzymatic dysfunctions in the heme biosynthetic pathway, resulting in porphyrins accumulation in red blood cells. The porphyrins deposition in tissues, including the skin, leads to photosensitivity that is present in all erythropoietic porphyrias. In the bone marrow, heme synthesis is mainly controlled by intracellular labile iron by post-transcriptional regulation: translation of ALAS2 mRNA, the first and rate-limiting enzyme of the pathway, is inhibited when iron availability is low. Moreover, it has been shown that the expression of ferrochelatase (FECH, an iron-sulfur cluster enzyme that inserts iron into protoporphyrin IX to form heme), is regulated by intracellular iron level. Accordingly, there is accumulating evidence that iron status can mitigate disease expression in patients with erythropoietic porphyrias. This article will review the available clinical data on how iron status can modify the symptoms of erythropoietic porphyrias. We will then review the modulation of heme biosynthesis pathway by iron availability in the erythron and its role in erythropoietic porphyrias physiopathology. Finally, we will summarize what is known of FECH interactions with other proteins involved in iron metabolism in the mitochondria.
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Di Pierro E, De Canio M, Mercadante R, Savino M, Granata F, Tavazzi D, Nicolli AM, Trevisan A, Marchini S, Fustinoni S. Laboratory Diagnosis of Porphyria. Diagnostics (Basel) 2021; 11:diagnostics11081343. [PMID: 34441276 PMCID: PMC8391404 DOI: 10.3390/diagnostics11081343] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 07/13/2021] [Accepted: 07/22/2021] [Indexed: 12/13/2022] Open
Abstract
Porphyrias are a group of diseases that are clinically and genetically heterogeneous and originate mostly from inherited dysfunctions of specific enzymes involved in heme biosynthesis. Such dysfunctions result in the excessive production and excretion of the intermediates of the heme biosynthesis pathway in the blood, urine, or feces, and these intermediates are responsible for specific clinical presentations. Porphyrias continue to be underdiagnosed, although laboratory diagnosis based on the measurement of metabolites could be utilized to support clinical suspicion in all symptomatic patients. Moreover, the measurement of enzymatic activities along with a molecular analysis may confirm the diagnosis and are, therefore, crucial for identifying pre-symptomatic carriers. The present review provides an overview of the laboratory assays used most commonly for establishing the diagnosis of porphyria. This would assist the clinicians in prescribing appropriate diagnostic testing and interpreting the testing results.
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Affiliation(s)
- Elena Di Pierro
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy;
- Correspondence: ; Tel.: +39-0255036155
| | - Michele De Canio
- Porphyria and Rare Diseases Centre, San Gallicano Dermatological Institute IRCCS, 00144 Rome, Italy;
| | - Rosa Mercadante
- EPIGET-Epidemiology, Epigenetics, and Toxicology Lab, Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy; (R.M.); (D.T.); (S.F.)
| | - Maria Savino
- Servizio di Medicina Trasfusionale e Laboratorio Analisi, Laboratorio di Immunogenetica, IRCCS Ospedale “Casa Sollievo della Sofferenza”, 71013 San Giovanni Rotondo, Italy;
| | - Francesca Granata
- Dipartimento di Medicina Interna, Fondazione IRCCS Cà Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy;
| | - Dario Tavazzi
- EPIGET-Epidemiology, Epigenetics, and Toxicology Lab, Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy; (R.M.); (D.T.); (S.F.)
| | - Anna Maria Nicolli
- Dipartimento di Scienze Cardio-Toraco-Vascolari e Sanità Pubblica, Università Degli Studi di Padova, 35121 Padova, Italy; (A.M.N.); (A.T.)
| | - Andrea Trevisan
- Dipartimento di Scienze Cardio-Toraco-Vascolari e Sanità Pubblica, Università Degli Studi di Padova, 35121 Padova, Italy; (A.M.N.); (A.T.)
| | - Stefano Marchini
- Laboratorio Malattie Rare-Settore Porfirie, Dipartimento di Scienze Mediche, Chirurgiche, Materno-Infantili e Dell’Adulto, Azienda Ospedaliero-Universitaria Policlinico di Modena, 41125 Modena, Italy;
| | - Silvia Fustinoni
- EPIGET-Epidemiology, Epigenetics, and Toxicology Lab, Department of Clinical Sciences and Community Health, University of Milan, 20122 Milan, Italy; (R.M.); (D.T.); (S.F.)
- Environmental and Industrial Toxicology Unit, Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico, 20122 Milan, Italy
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Iron chelation rescues hemolytic anemia and skin photosensitivity in congenital erythropoietic porphyria. Blood 2021; 136:2457-2468. [PMID: 32678895 DOI: 10.1182/blood.2020006037] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Accepted: 06/26/2020] [Indexed: 12/22/2022] Open
Abstract
Congenital erythropoietic porphyria (CEP) is an inborn error of heme synthesis resulting from uroporphyrinogen III synthase (UROS) deficiency and the accumulation of nonphysiological porphyrin isomer I metabolites. Clinical features are heterogeneous among patients with CEP but usually combine skin photosensitivity and chronic hemolytic anemia, the severity of which is related to porphyrin overload. Therapeutic options include symptomatic strategies only and are unsatisfactory. One promising approach to treating CEP is to reduce the erythroid production of porphyrins through substrate reduction therapy by inhibiting 5-aminolevulinate synthase 2 (ALAS2), the first and rate-limiting enzyme in the heme biosynthetic pathway. We efficiently reduced porphyrin accumulation after RNA interference-mediated downregulation of ALAS2 in human erythroid cellular models of CEP disease. Taking advantage of the physiological iron-dependent posttranscriptional regulation of ALAS2, we evaluated whether iron chelation with deferiprone could decrease ALAS2 expression and subsequent porphyrin production in vitro and in vivo in a CEP murine model. Treatment with deferiprone of UROS-deficient erythroid cell lines and peripheral blood CD34+-derived erythroid cultures from a patient with CEP inhibited iron-dependent protein ALAS2 and iron-responsive element-binding protein 2 expression and reduced porphyrin production. Furthermore, porphyrin accumulation progressively decreased in red blood cells and urine, and skin photosensitivity in CEP mice treated with deferiprone (1 or 3 mg/mL in drinking water) for 26 weeks was reversed. Hemolysis and iron overload improved upon iron chelation with full correction of anemia in CEP mice treated at the highest dose of deferiprone. Our findings highlight, in both mouse and human models, the therapeutic potential of iron restriction to modulate the phenotype in CEP.
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