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Su W, Liang Z, Pan D, Zhang L, Zhang Y, Yuan T, Gao X, Su H, Zhang H. Therapeutic effect of notoginseng saponins before and after fermentation on blood deficiency rats. Exp Ther Med 2024; 27:143. [PMID: 38476921 PMCID: PMC10928825 DOI: 10.3892/etm.2024.12431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 01/12/2024] [Indexed: 03/14/2024] Open
Abstract
Notoginseng saponins (NS) are the active ingredients in Panax notoginseng (Burk.) F.H. Chen (PN). NS can be transformed depending on how the extract is processed. Fermentation has been shown to produce secondary ginsenosides with increased bioavailability. However, the therapeutic effect of fermented NS (FNS) requires further study. The present study compared the compositions and activities of FNS and NS in blood deficiency rats, which resembles the symptoms of anemia in modern medicine, induced by acetylphenylhydrazine and cyclophosphamide. A total of 32 rats were randomly divided into control, model, FNS and NS groups. A blood deficiency model was established and then treatment was orally administered for 21 days. The results of component analysis indicated that some saponins transformed during the fermentation process resulting in a decrease of notoginsenoside R1, and ginsenosides Rg1, Rb1 and Re, and an increase in ginsenosides Rd, Rh2, compound K, protopanaxadiol and protopanaxatriol. The animal results showed that both FNS and NS increased the number of white blood cells (WBCs), red blood cells, hemoglobin, platelets and reticulocytes, and the levels of granulocyte-macrophage colony-stimulating factor (GM-CSF), erythropoietin (EPO) and thrombopoietin (TPO), decreased the G0/G1 phase and increased G2/M phase, and decreased the apoptosis rate of bone marrow (BM) cells, which suggested a contribution to the recovery of hematopoietic function of the BM cells. FNS and NS increased the protein expression levels of the cytokines IL-4, IL-10, IL-12, IL-13, TGF-β, IL-6, IFN-γ and TNF-α, and the mRNA expression levels of transcription factors GATA binding protein 3 and T-box expressed in T cell (T-bet). FNS and NS treatment also increased the number of CD4+ T cells, and decreased the enlargement of the rat spleen and thymus atrophy, which indicated a protective effect on the organs of the immune system. The results of the present study demonstrated that compared with NS, FNS showed an improved ability to increase the levels of WBCs, lymphocytes, GM-CSF, EPO, TPO, aspartate aminotransferase, IL-10, IL-12, IL-13 and TNF-α, and the mRNA expression levels of T-bet, and decrease alanine aminotransferase levels. The differences seen for FNS treatment could arise from their improved bioavailability compared with NS, due to the larger proportion of hydrophobic ginsenosides produced during fermentation.
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Affiliation(s)
- Wenjie Su
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin 130021, P.R. China
| | - Zuguo Liang
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Daian Pan
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin 130021, P.R. China
| | - Lancao Zhang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Yuyao Zhang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Tongyi Yuan
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Xiang Gao
- College of Pharmacy, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - Hang Su
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
| | - He Zhang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin 130117, P.R. China
- Research Center of Traditional Chinese Medicine, The Affiliated Hospital to Changchun University of Chinese Medicine, Changchun, Jilin 130021, P.R. China
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Fan J, Lei W, Wang L, Ge W. A nomogram for predicting the risk of treatment failure of roxadustat in peritoneal dialysis with renal anemia. Sci Rep 2024; 14:7622. [PMID: 38561363 PMCID: PMC10985067 DOI: 10.1038/s41598-024-58289-z] [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: 11/14/2023] [Accepted: 03/27/2024] [Indexed: 04/04/2024] Open
Abstract
The determinants of roxadustat treatment failure in renal anemia remain elusive. This study sought to develop a nomogram for predicting the risk of treatment failure of roxadustat in peritoneal dialysis (PD) with renal anemia. A retrospective cohort analysis from January 1, 2019, to January 31, 2023, included 204 PD patients with renal anemia, stratified by attainment group (Hb ≥ 110 g/L, n = 103) or non-attainment (Hb < 110 g/L, n = 101) within 1 year treatment. Univariate and multivariate Cox proportional hazards regressions were employed to ascertain predictive factors and construct the nomogram. Nomogram efficacy was evaluated via C-index, time-dependent ROC, calibration plots, and decision curve analysis, with internal validation via tenfold cross-validation and 1000 bootstrap resampling iterations. The study identified PD duration, serum transferrin, cardiovascular comorbidities, and stains as significant predictors. The nomogram demonstrated moderate discrimination at 6 months (AUC: 0.717) and enhanced predictive accuracy at 12 months (AUC: 0.741). The predicted and actual risk probabilities were concordant, with clinical net benefits observed at six-month (8 to 53%) and twelve-month (27 to 84%) risk thresholds. This nomogram is a valuable tool for effectively predicting non-attainment risk and facilitating personalized management of renal anemia in PD patients treated with roxadustat.
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Affiliation(s)
- Jiangqing Fan
- Department of Pharmacy, Nanjing Drum Tower Hospital, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Wenpu Lei
- Department of Pharmacy, Nanjing Drum Tower Hospital, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Lulu Wang
- Department of Pharmacy, Nanjing Drum Tower Hospital, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China.
- Department of Pharmacy, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
- Hunan Provincial Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, The "Double-First Class" Application Characteristic Discipline of Hunan Province (Pharmaceutical Science), Changsha Medical University, Changsha, China.
| | - Weihong Ge
- Department of Pharmacy, Nanjing Drum Tower Hospital, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China.
- Department of Pharmacy, Nanjing Drum Tower Hospital, Affiliated Hospital of Medical School, Nanjing University, Nanjing, China.
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Ginzburg Y, An X, Rivella S, Goldfarb A. Normal and dysregulated crosstalk between iron metabolism and erythropoiesis. eLife 2023; 12:e90189. [PMID: 37578340 PMCID: PMC10425177 DOI: 10.7554/elife.90189] [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: 06/16/2023] [Accepted: 08/06/2023] [Indexed: 08/15/2023] Open
Abstract
Erythroblasts possess unique characteristics as they undergo differentiation from hematopoietic stem cells. During terminal erythropoiesis, these cells incorporate large amounts of iron in order to generate hemoglobin and ultimately undergo enucleation to become mature red blood cells, ultimately delivering oxygen in the circulation. Thus, erythropoiesis is a finely tuned, multifaceted process requiring numerous properly timed physiological events to maintain efficient production of 2 million red blood cells per second in steady state. Iron is required for normal functioning in all human cells, the erythropoietic compartment consuming the majority in light of the high iron requirements for hemoglobin synthesis. Recent evidence regarding the crosstalk between erythropoiesis and iron metabolism sheds light on the regulation of iron availability by erythroblasts and the consequences of insufficient as well as excess iron on erythroid lineage proliferation and differentiation. In addition, significant progress has been made in our understanding of dysregulated iron metabolism in various congenital and acquired malignant and non-malignant diseases. Finally, we report several actual as well as theoretical opportunities for translating the recently acquired robust mechanistic understanding of iron metabolism regulation to improve management of patients with disordered erythropoiesis, such as anemia of chronic inflammation, β-thalassemia, polycythemia vera, and myelodysplastic syndromes.
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Affiliation(s)
- Yelena Ginzburg
- Division of Hematology and Medical Oncology, The Tisch Cancer Institute, Icahn School of Medicine at Mount SinaiNew YorkUnited States
| | - Xiuli An
- LFKRI, New York Blood CenterNew YorkUnited States
| | - Stefano Rivella
- Department of Pediatrics, Division of Hematology, The Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Cell and Molecular Biology affinity group (CAMB), University of PennsylvaniaPhiladelphiaUnited States
- Raymond G. Perelman Center for Cellular and Molecular Therapeutics at the Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Penn Center for Musculoskeletal Disorders at the Children’s Hospital of PhiladelphiaPhiladelphiaUnited States
- Perelman School of Medicine, University of PennsylvaniaPhiladelphiaUnited States
- Institute for Regenerative Medicine at University of PennsylvaniaPhiladelphiaUnited States
- RNA Institute at University of PennsylvaniaPhiladelphiaUnited States
| | - Adam Goldfarb
- Department of Pathology, University of VirginiaCharlottesvilleUnited States
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Genetic Causal Association between Iron Status and Osteoarthritis: A Two-Sample Mendelian Randomization. Nutrients 2022; 14:nu14183683. [PMID: 36145059 PMCID: PMC9501024 DOI: 10.3390/nu14183683] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 08/30/2022] [Accepted: 09/02/2022] [Indexed: 11/17/2022] Open
Abstract
Objective: Observational studies have shown the association between iron status and osteoarthritis (OA). However, due to difficulties of determining sequential temporality, their causal association is still elusive. Based on the summary data of genome-wide association studies (GWASs) of a large-scale population, this study explored the genetic causal association between iron status and OA. Methods: First, we took a series of quality control steps to select eligible instrumental SNPs which were strongly associated with exposure. The genetic causal association between iron status and OA was analyzed using the two-sample Mendelian randomization (MR). Inverse-variance weighted (IVW), MR-Egger, weighted median, simple mode, and weighted mode methods were used for analysis. The results were mainly based on IVW (random effects), followed by sensitivity analysis. IVW and MR-Egger were used for heterogeneity testing. MR-Egger was also used for pleiotropy testing. Leave-one-SNP-out analysis was used to identify single nucleotide polymorphisms (SNPs) with potential impact. Maximum likelihood, penalized weighted median, and IVW (fixed effects) were performed to further validate the reliability of results. Results: IVW results showed that transferrin saturation had a positive causal association with knee osteoarthritis (KOA), hip osteoarthritis (HOA) and KOA or HOA (p < 0.05, OR > 1), and there was a negative causal association between transferrin and HOA and KOA or HOA (p < 0.05, OR < 1). The results of heterogeneity test showed that our IVW analysis results were basically free of heterogeneity (p > 0.05). The results of the pleiotropy test showed that there was no pleiotropy in our IVW analysis (p > 0.05). The analysis results of maximum likelihood, penalized weighted median and IVW (fixed effects) were consistent with our IVW results. No genetic causal association was found between serum iron and ferritin and OA. Conclusions: This study provides evidence of the causal association between iron status and OA, which provides novel insights to the genetic research of OA.
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Phuphisut O, Kobpornchai P, Chusongsang P, Limpanont Y, Kanjanapruthipong T, Ampawong S, Reamtong O, Adisakwattana P. Molecular characterization and functional analysis of Schistosoma mekongi neuroglobin homolog. Acta Trop 2022; 231:106433. [PMID: 35364046 DOI: 10.1016/j.actatropica.2022.106433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 03/11/2022] [Accepted: 03/28/2022] [Indexed: 11/01/2022]
Abstract
Schistosomes are blood-dwelling parasites that are constantly exposed to high-level oxidative stress arising from parasite-intrinsic and host defense mechanisms. To survive in their hosts, schistosomes require an antioxidant system to minimize with oxidative stress. Several schistosome antioxidant enzymes have been identified and have been suggested to play indispensable antioxidant roles for the parasite. In addition to antioxidant enzymes, non-enzymatic antioxidants including small molecules, peptides, and proteins have been identified and characterized. Neuroglobin (Ngb), a nervous system-specific heme-binding protein, has been classified as a non-enzymatic antioxidant and is capable of scavenging a variety of free radical species. The antioxidant activity of Ngb has been well-studied in humans. Ngb is involved in cellular oxygen homeostasis and reactive oxygen/nitrogen scavenging in the central and peripheral nervous systems, but its functions in schistosome parasites have not yet been characterized. In this study, we aimed to characterize the molecular properties and functions of Schistosoma mekongi Ngb (SmeNgb) using bioinformatic, biochemical, and molecular biology approaches. The amino acid sequence of Ngb was highly conserved among schistosomes as well as closely related trematodes. SmeNgb was abundantly localized in the gastrodermis, vitelline, and ovary of adult female S. mekongi worms as well as in the tegument of adult male worms. Assessment of antioxidant activity demonstrated that recombinant SmeNgb had Fe2+ chelating and hydrogen peroxide scavenging activities. Intriguingly, siRNA silencing of SmeNgb gene expression resulted in tegument pathology. Understanding the properties and functions of SmNgb will help in future development of effective treatments and vaccines against S. mekongi, other schistosome parasites, and other platyhelminths.
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Indrakumar S, Kulakova A, Harris P, Peters GHJ. Dynamics of Human Serum Transferrin in Varying Physicochemical Conditions Explored by Using Molecular Dynamics Simulations. Mol Pharm 2022; 19:2795-2806. [PMID: 35776490 DOI: 10.1021/acs.molpharmaceut.2c00158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Conformational stability of human serum transferrin (Tf) at varying pH values and salt and excipient concentrations were investigated using molecular dynamics (MD) simulations, and the results are compared with previously published small-angle X-ray scattering (SAXS) experiments. SAXS study showed that at pH 5, Tf is predominantly present in a partially open (PO) form, and the factions of PO differ based on the physicochemical condition and drift toward the closed form (HO) as the pH increases. Tf is a bilobal glycoprotein that is composed of homologous halves termed the N- and C-lobes. The current study shows that the protonation of Y188 and K206 at pH 5 is the primary conformational drive into PO, which shifts toward the closed (HO) conformer as the pH increases. Furthermore, at pH 6.5, PO is unfavorable due to negative charge-charge repulsion at the N/C-lobe interface linker region causing increased hinge distance when compared to HO, which has favorable attractive electrostatic interactions in this region. Subsequently, the effect of salt concentration was studied at 70 and 140 mM NaCl. At 70 mM NaCl and pH 5, chloride ions bind strongly in the N-lobe iron-binding site, whereas these interactions are weak at pH 6.5. With increasing salt concentration at pH 5, the regions surrounding the N-lobe iron-binding site are saturated, and as a consequence, sodium and chloride ions accumulate into the bulk. Additionally, protein-excipient interactions were investigated. At pH 5, the excipients interact in similar loop regions, E89-T93, and D416-D420, located in the N- and C-lobes of the HO conformer, respectively. It is anticipated that interactions of additives in these two loop regions cause conformational changes that lead to iron-coordinating residues in the N-lobe to drift away from iron and thus drive HO to PO conversion. Furthermore, at pH 6.5 and 140 mM histidine, these interactions are negligible leading to the stabilization of HO.
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Affiliation(s)
- Sowmya Indrakumar
- Technical University of Denmark, Department of Chemistry, 2800 Kgs. Lyngby, Denmark
| | - Alina Kulakova
- Technical University of Denmark, Department of Chemistry, 2800 Kgs. Lyngby, Denmark
| | - Pernille Harris
- Technical University of Denmark, Department of Chemistry, 2800 Kgs. Lyngby, Denmark
| | - Günther H J Peters
- Technical University of Denmark, Department of Chemistry, 2800 Kgs. Lyngby, Denmark
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Szeja N, Grosicki S. Nutritional status of patients with lymphoproliferative neoplasms before and after the first-line treatment. Expert Rev Hematol 2022; 15:83-91. [PMID: 35099347 DOI: 10.1080/17474086.2022.2035717] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Nutritional disorders in cancer patients, including lymphoproliferative neoplasms, occur with varying frequency. OBJECTIVES The primary aim of the study was to analyze the changes in the nutritional status of patients with lymphoproliferative neoplasms following first-line chemotherapy. MATERIALS AND METHODS 46 patients, with a median age of 62 years, participated in a prospective single-center study. Their demographic, biochemical and clinical features were analyzed. The study consisted of several stages that were conducted at two time points. P values < 0.05 were considered statistically significant. RESULTS The study included patients with multiple myeloma (48%), non-Hodgkin's lymphoma (28%) or chronic lymphocytic leukemia (24%). After the end of the first-line chemotherapy, a decrease in the concentration of albumin (p = 0.04), transferrin (p = 0.38) and total cholesterol (p = 0.76) were found. Statistically greater unintended weight loss occurred before treatment initiation (p < 0.001). Moreover, a significant decrease in the mean values of the phase angle (p < 0.01) was noted. CONCLUSIONS Most patients before the oncological therapy did not show clinical or biochemical symptoms of malnutrition. However, after the treatment was completed, the parameters of the nutritional status showed its deterioration.
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Affiliation(s)
- Nicola Szeja
- Department of Hematology and Cancer Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice
| | - Sebastian Grosicki
- Department of Hematology and Cancer Prevention, Faculty of Health Sciences in Bytom, Medical University of Silesia in Katowice
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Discovering the Protective Effects of Resveratrol on Aflatoxin B1-Induced Toxicity: A Whole Transcriptomic Study in a Bovine Hepatocyte Cell Line. Antioxidants (Basel) 2021; 10:antiox10081225. [PMID: 34439473 PMCID: PMC8388899 DOI: 10.3390/antiox10081225] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/26/2021] [Accepted: 07/27/2021] [Indexed: 12/13/2022] Open
Abstract
Aflatoxin B1 (AFB1) is a natural feed and food contaminant classified as a group I carcinogen for humans. In the dairy industry, AFB1 and its derivative, AFM1, are of concern for the related economic losses and their possible presence in milk and dairy food products. Among its toxic effects, AFB1 can cause oxidative stress. Thus, dietary supplementation with natural antioxidants has been considered among the strategies to mitigate AFB1 presence and its toxicity. Here, the protective role of resveratrol (R) has been investigated in a foetal bovine hepatocyte cell line (BFH12) exposed to AFB1, by measuring cytotoxicity, transcriptional changes (RNA sequencing), and targeted post-transcriptional modifications (lipid peroxidation, NQO1 and CYP3A enzymatic activity). Resveratrol reversed the AFB1-dependent cytotoxicity. As for gene expression, when administered alone, R induced neglectable changes in BFH12 cells. Conversely, when comparing AFB1-exposed cells with those co-incubated with R+AFB1, greater transcriptional variations were observed (i.e., 840 DEGs). Functional analyses revealed that several significant genes were involved in lipid biosynthesis, response to external stimulus, drug metabolism, and inflammatory response. As for NQO1 and CYP3A activities and lipid peroxidation, R significantly reverted variations induced by AFB1, mostly corroborating and/or completing transcriptional data. Outcomes of the present study provide new knowledge about key molecular mechanisms involved in R antioxidant-mediated protection against AFB1 toxicity.
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Liu H, Zhang S, Qiu M, Wang A, Ye J, Fu S. Garlic (Allium sativum) and Fu-ling (Poria cocos) mitigate lead toxicity by improving antioxidant defense mechanisms and chelating ability in the liver of grass carp (Ctenopharyngodon idella). ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:885-898. [PMID: 33830385 DOI: 10.1007/s10646-021-02405-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
The heavy metal lead (Pb) is a contaminant widely distributed in the food chain. In this study, eight weeks of feeding containing Garlic (Allium sativum) or Fu-ling (Poria cocos) or both, markedly increased the growth index, enzyme activity, and serum index and significantly decreased muscle Pb level in grass carp (Ctenopharyngodon idella). Upon Pb exposure, the feeding Garlic or Fu-ling or both possessed the similar effects on improving the function of the antioxidant system and chelating ability. Further, the gene expressions of metal binding proteins (TF and MT-2) in the liver of the three experimental groups were significantly higher than those of the control group, which were all highly up-regulated after Pb exposure. At the same time, the activities of antioxidant enzymes (SOD and CAT) and the content of non-enzymatic substance (GSH) in the liver of the Garlic group, Fu-ling group and mixed group were stable compared to the control group after Pb exposure. Moreover, the reduction of Pb toxicity was manifested by the decrease of Pb content in the muscle, and the stable expression of heat stress proteins (HSP30 and HSP60) and immune-related genes (TNF-α and IL-1β). Taken together, the study preliminarily shows that the Garlic and Fu-ling play a role in mitigating the toxicity of Pb in grass carp.
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Affiliation(s)
- Haisu Liu
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China
| | - Sanshan Zhang
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China
| | - Ming Qiu
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China
| | - Anli Wang
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China
| | - Jianmin Ye
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China
| | - Shengli Fu
- Guangdong Provincial Key Laboratory for Healthy and Saft Aquaculture, School of Life Sciences, South China Normal University, Guangzhou, 510631, P. R. China.
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Rascón-Cruz Q, González-Barriga CD, Iglesias-Figueroa BF, Trejo-Muñoz JC, Siqueiros-Cendón T, Sinagawa-García SR, Arévalo-Gallegos S, Espinoza-Sánchez EA. Plastid transformation: Advances and challenges for its implementation in agricultural crops. ELECTRON J BIOTECHN 2021. [DOI: 10.1016/j.ejbt.2021.03.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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Heckl C, Eisel M, Lang A, Homann C, Paal M, Vogeser M, Rühm A, Sroka R. Spectroscopic methods to quantify molecules of the heme‐biosynthesis pathway: A review of laboratory work and point‐of‐care approaches. TRANSLATIONAL BIOPHOTONICS 2021. [DOI: 10.1002/tbio.202000026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Affiliation(s)
- Christian Heckl
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
| | - Maximilian Eisel
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
| | - Alexander Lang
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
| | - Christian Homann
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
| | - Michael Paal
- Institute of Laboratory Medicine University Hospital, LMU Munich Munich Germany
| | - Michael Vogeser
- Institute of Laboratory Medicine University Hospital, LMU Munich Munich Germany
| | - Adrian Rühm
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
| | - Ronald Sroka
- Laser‐Forschungslabor, LIFE Center, Department of Urology University Hospital, LMU Munich Munich Germany
- Department of Urology University Hospital, LMU Munich Munich Germany
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Serum transferrin as a biomarker of hepatocyte nuclear factor 4 alpha activity and hepatocyte function in liver diseases. BMC Med 2021; 19:39. [PMID: 33593348 PMCID: PMC7887823 DOI: 10.1186/s12916-021-01917-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 01/18/2021] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Serum transferrin levels represent an independent predictor of mortality in patients with liver failure. Hepatocyte nuclear factor 4 alpha (HNF4α) is a master regulator of hepatocyte functions. The aim of this study was to explore whether serum transferrin reflects HNF4α activity. METHODS Factors regulating transferrin expression in alcoholic hepatitis (AH) were assessed via transcriptomic/methylomic analysis as well as chromatin immunoprecipitation coupled to DNA sequencing. The findings were corroborated in primary hepatocytes. Serum and liver samples from 40 patients with advanced liver disease of multiple etiologies were also studied. RESULTS In patients with advanced liver disease, serum transferrin levels correlated with hepatic transferrin expression (r = 0.51, p = 0.01). Immunohistochemical and biochemical tests confirmed reduced HNF4α and transferrin protein levels in individuals with cirrhosis. In AH, hepatic gene-gene correlation analysis in liver transcriptome revealed an enrichment of HNF4α signature in transferrin-correlated transcriptome while transforming growth factor beta 1 (TGFβ1), tumor necrosis factor α (TNFα), interleukin 1 beta (IL-1β), and interleukin 6 (IL-6) negatively associated with transferrin signature. A key regulatory region in transferrin promoter was hypermethylated in patients with AH. In primary hepatocytes, treatment with TGFβ1 or the HNF4α inhibitor BI6015 suppressed transferrin production, while exposure to TNFα, IL-1β, and IL-6 had no effect. The correlation between hepatic HNF4A and transferrin mRNA levels was also seen in advanced liver disease. CONCLUSIONS Serum transferrin levels constitute a prognostic and mechanistic biomarker. Consequently, they may serve as a surrogate of impaired hepatic HNF4α signaling and liver failure.
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Ren Z, Huang J, Zhou C, Jia L, Li M, Liang X, Zeng H. Transferrin and antioxidants partly prevented mouse oocyte oxidative damage induced by exposure of cumulus-oocyte complexes to endometrioma fluid. J Ovarian Res 2020; 13:139. [PMID: 33243289 PMCID: PMC7690000 DOI: 10.1186/s13048-020-00738-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Accepted: 11/11/2020] [Indexed: 12/17/2022] Open
Abstract
Background Exposure of oocytes to the endometrioma fluid has an adverse effect on embryonic quality. To determine whether adding transferrin and antioxidants to culture medium could counteract detrimental effects on mouse cumulus-oocyte complexes (COCs) induced by exposure to endometrioma fluid or not, we conducted an in vitro cross-sectional study using human and mouse COCs. Methods Eighteen women who had their oocytes exposed to endometrioma fluid during oocyte retrieval were enrolled. COCs from superovulated ICR female mice were collected. They were first exposed to human endometrioma fluid and then treated by transferrin and/or antioxidants (cysteamine + cystine). Subsequently, COCs function was assessed by molecular methods. Results This study observed that human COCs inadvertently exposed to endometrioma fluid in the in vitro fertilization (IVF) group led to a lower good quality embryo rate compared to intracytoplasmic sperm injection (ICSI) group. Exposure of mouse COCs to endometrioma fluid accelerated oocyte oxidative damage, evidenced by significantly reduced CCs viability, defective mitochondrial function, decreased GSH content and increased ROS level, associated with the significantly higher pro-portion of abnormal spindles and lower blastocyst formation (p < 0.05, respectively). This damage could be recovered partly by treating COCs with transferrin and antioxidants (cysteamine + cystine). Conclusions Transferrin and antioxidants could reduce the oxidative damage caused by COCs exposure to endometrioma fluid. This finding provides a promising new possibility for intervention in the human oocyte oxidative damage process induced by endometrioma fluid during oocyte pick-up. Supplementary Information The online version contains supplementary material available at 10.1186/s13048-020-00738-0.
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Affiliation(s)
- Zi Ren
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Jiana Huang
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Chuanchuan Zhou
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Lei Jia
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Manchao Li
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Xiaoyan Liang
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China
| | - Haitao Zeng
- Center for Reproductive Medicine, Sixth Affiliated Hospital, Sun Yat-sen University, Guangzhou, People's Republic of China.
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14
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Li Y, Cao Y, Xiao J, Shang J, Tan Q, Ping F, Huang W, Wu F, Zhang H, Zhang X. Inhibitor of apoptosis-stimulating protein of p53 inhibits ferroptosis and alleviates intestinal ischemia/reperfusion-induced acute lung injury. Cell Death Differ 2020; 27:2635-2650. [PMID: 32203170 DOI: 10.1038/s41418-020-0528-x] [Citation(s) in RCA: 279] [Impact Index Per Article: 69.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2019] [Revised: 03/02/2020] [Accepted: 03/06/2020] [Indexed: 12/15/2022] Open
Abstract
Acute lung injury (ALI) is a life-threatening disorder with high rates of morbidity and mortality. Reactive oxygen species and epithelial apoptosis are involved in the pathogenesis of acute lung injury. Ferroptosis, an iron-dependent non-apoptotic form of cell death, mediates its effects in part by promoting the accumulation of reactive oxygen species. The inhibition of ferroptosis decreases clinical symptoms in experimental models of ischemia/reperfusion-induced renal failure and heart injury. This study investigated the roles of inhibitor of apoptosis-stimulating protein of p53 (iASPP) and Nrf2 in ferroptosis and their potential therapeutic effects in intestinal ischemia/reperfusion-induced acute lung injury. Intestinal ischemia/reperfusion-induced ALI was induced in wild-type and Nrf2-/- mice. The mice were treated with erastin followed by liproxstatin-1. Ferroptosis-related factors in mice with ischemia/reperfusion-induced acute lung injury or in mouse lung epithelial-2 cells with hypoxia/regeneration (HR)-induced ALI were measured by western blotting, real-time PCR, and immunofluorescence. Ferroptosis contributed to intestinal ischemia/reperfusion-induced ALI in vivo. iASPP inhibited ferroptosis and alleviated intestinal ischemia/reperfusion-induced acute lung injury, and iASPP-mediated protection against ischemia/reperfusion-induced ALI was dependent on Nrf2 signaling. HR-induced acute lung injury enhanced ferroptosis in vitro in mouse lung epithelial-2 cells, and ferroptosis was modulated after the enhancement of intestinal ischemia/reperfusion in Nrf2-/- mice. iASPP mediated its protective effects against acute lung injury through the Nrf2/HIF-1/TF signaling pathway. Ferroptosis contributes to intestinal ischemia/reperfusion-induced ALI, and iASPP treatment inhibits ferroptosis in part via Nrf2. These findings indicate the therapeutic potential of iASPP for treating ischemia/reperfusion-induced ALI.
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Affiliation(s)
- Yingchuan Li
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Yongmei Cao
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jian Xiao
- Department of Cardiothoracic Surgery, Changzheng Hospital, Second Military Medical University, Shanghai, China
| | - Jiawei Shang
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Qin Tan
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Feng Ping
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Weifeng Huang
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Fang Wu
- Department of Critical Care Medicine, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Haijun Zhang
- The Institute of Intervention Vessel, Tongji University School of Medicine, Shanghai, China.
| | - Xiaoping Zhang
- The Institute of Intervention Vessel, Tongji University School of Medicine, Shanghai, China. .,Shanghai Center of Thyroid Diseases, Tongji University School of Medicine, Shanghai, China.
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15
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Zhang Y, Han R. Insight Into the Salivary Secretome of Varroa destructor and Salivary Toxicity to Apis cerana. JOURNAL OF ECONOMIC ENTOMOLOGY 2019; 112:505-514. [PMID: 30219905 DOI: 10.1093/jee/toy224] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Indexed: 06/08/2023]
Abstract
The Varroa destructor (Acari Varroidae) mite is a serious threat to honey bee due to hemolymph feeding and virus transmission. Mite salivary proteins are involved in these interactions. However, the salivary secretome has not been previously characterized. In this paper, the saliva of V. destructor was found to be toxic to the worker larvae of Apis cerana (Hymenoptera Apidae) in the absence of deformed wing virus (DWV) and to stimulate the development of deformed wings in Apis mellifera (Hymenoptera Apidae) adults in the presence of DWV. The salivary secretome was analyzed by nano-liquid chromatography coupled to tandem mass spectrometry (nano-LC-MS/MS). A search of the resulting data against peptide databases using the software Mascot yielded 356, 53, and 9 matched proteins from V. destructor, A. mellifera, and DWV, respectively. The saliva contained Varroa mite proteins identified as important for potential virulence to A. cerana larvae, for the inhibition of harmful microorganisms, for the utilization of bee nutrients, and for antioxidant, oxidation-reduction and detoxification functions as well as A. mellifera proteins identified as nutrients important for mite reproduction. The saliva proteins also contained viral proteins from one virus, DWV. These results provide a strong foundation for understanding the interactions among the Varroa mite, honeybee, and DWV.
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Affiliation(s)
- Yi Zhang
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong Province, China
| | - Richou Han
- Guangdong Key Laboratory of Animal Conservation and Resource Utilization, Guangdong Public Laboratory of Wild Animal Conservation and Utilization, Guangdong Institute of Applied Biological Resources, Guangzhou, Guangdong Province, China
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16
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Kawabata H. Transferrin and transferrin receptors update. Free Radic Biol Med 2019; 133:46-54. [PMID: 29969719 DOI: 10.1016/j.freeradbiomed.2018.06.037] [Citation(s) in RCA: 307] [Impact Index Per Article: 61.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Revised: 06/29/2018] [Accepted: 06/29/2018] [Indexed: 12/20/2022]
Abstract
In vertebrates, transferrin (Tf) safely delivers iron through circulation to cells. Tf-bound iron is incorporated through Tf receptor (TfR) 1-mediated endocytosis. TfR1 can mediate cellular uptake of both Tf and H-ferritin, an iron storage protein. New World arenaviruses, which cause hemorrhagic fever, and Plasmodium vivax use TfR1 for entry into host cells. Human TfR2, another receptor for Tf, is predominantly expressed in hepatocytes and erythroid precursors, and holo-Tf dramatically upregulates its expression. TfR2 forms a complex with hemochromatosis protein, HFE, and serves as a component of the iron sensing machinery in hepatocytes. Defects in TfR2 cause systemic iron overload, hemochromatosis, through down-regulation of hepcidin. In erythroid cells, TfR2 forms a complex with the erythropoietin receptor and regulates erythropoiesis. TfR2 facilitates iron transport from lysosomes to mitochondria in erythroblasts and dopaminergic neurons. Administration of apo-Tf, which scavenges free iron, has been explored for various clinical conditions including atransferrinemia, iron overload, and tissue ischemia. Apo-Tf has also been shown to ameliorate anemia in animal models of β-thalassemia. In this review, I provide an update and summary on our knowledge of mammalian Tf and its receptors.
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Affiliation(s)
- Hiroshi Kawabata
- Department of Hematology and Immunology, Kanazawa Medical University, 1-1 Daigaku, Uchinada-machi, Ishikawa-ken 920-0293, Japan.
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17
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Boyer E, Le Gall-David S, Martin B, Fong SB, Loréal O, Deugnier Y, Bonnaure-Mallet M, Meuric V. Increased transferrin saturation is associated with subgingival microbiota dysbiosis and severe periodontitis in genetic haemochromatosis. Sci Rep 2018; 8:15532. [PMID: 30341355 PMCID: PMC6195524 DOI: 10.1038/s41598-018-33813-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Accepted: 09/25/2018] [Indexed: 02/08/2023] Open
Abstract
Genetic haemochromatosis (GH) is responsible for iron overload. Increased transferrin saturation (TSAT) has been associated with severe periodontitis, which is a chronic inflammatory disease affecting tissues surrounding the teeth and is related to dysbiosis of the subgingival microbiota. Because iron is essential for bacterial pathogens, alterations in iron homeostasis can drive dysbiosis. To unravel the relationships between serum iron biomarkers and the subgingival microbiota, we analysed samples from 66 GH patients. The co-occurrence analysis of the microbiota showed very different patterns according to TSAT. Healthy and periopathogenic bacterial clusters were found to compete in patients with normal TSAT (≤45%). However, significant correlations were found between TSAT and the proportions of Porphyromonas and Treponema, which are two genera that contain well-known periopathogenic species. In patients with high TSAT, the bacterial clusters exhibited no mutual exclusion. Increased iron bioavailability worsened periodontitis and promoted periopathogenic bacteria, such as Treponema. The radical changes in host-bacteria relationships and bacterial co-occurrence patterns according to the TSAT level also suggested a shift in the bacterial iron supply from transferrin to NTBI when TSAT exceeded 45%. Taken together, these results indicate that iron bioavailability in biological fluids is part of the equilibrium between the host and its microbiota.
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Affiliation(s)
- Emile Boyer
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France.
- CHU de Rennes, Service d'Odontologie, Rennes, 35033, France.
| | - Sandrine Le Gall-David
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
| | - Bénédicte Martin
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
| | - Shao Bing Fong
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
| | - Olivier Loréal
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
| | - Yves Deugnier
- CHU de Rennes, Service des Maladies du Foie, Rennes, 35033, France
- CIC 1414, Inserm, Rennes, 35033, France
| | - Martine Bonnaure-Mallet
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
- CHU de Rennes, Service d'Odontologie, Rennes, 35033, France
| | - Vincent Meuric
- Univ Rennes, INSERM, INRA, CHU Rennes, Institut NuMeCan (Nutrition, Metabolism and Cancer), Rennes, F-35000, France
- CHU de Rennes, Service d'Odontologie, Rennes, 35033, France
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18
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Wessling-Resnick M. Crossing the Iron Gate: Why and How Transferrin Receptors Mediate Viral Entry. Annu Rev Nutr 2018; 38:431-458. [PMID: 29852086 DOI: 10.1146/annurev-nutr-082117-051749] [Citation(s) in RCA: 87] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Because both the host and pathogen require iron, the innate immune response carefully orchestrates control over iron metabolism to limit its availability during times of infection. Nutritional iron deficiency can impair host immunity, while iron overload can cause oxidative stress to propagate harmful viral mutations. An emerging enigma is that many viruses use the primary gatekeeper of iron metabolism, the transferrin receptor, as a means to enter cells. Why and how this iron gate is a viral target for infection are the focus of this review.
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Affiliation(s)
- Marianne Wessling-Resnick
- Department of Genetics and Complex Diseases, Harvard T.H. Chan School of Public Health, Boston, Massachusetts 02115, USA;
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19
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Abstract
At present, the only definitive cure for β-thalassemia is a bone marrow transplant (BMT); however, HLA-blood-matched donors are scarcely available. Current therapies undergoing clinical investigation with most potential for therapeutic benefit are the β-globin gene transfer of patient-specific hematopoietic stem cells followed by autologous BMT. Other emerging therapies deliver exogenous regulators of several key modulators of erythropoiesis or iron homeostasis. This review focuses on current approaches for the treatment of hemoglobinopathies caused by disruptions of β-globin.
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Affiliation(s)
- Amaliris Guerra
- Department of Pediatrics, Division of Hematology, Children's Hospital of Philadelphia (CHOP), Philadelphia, PA, USA
| | - Khaled M Musallam
- International Network of Hematology, 31-33 High Holborn, London WC1V 6AX, UK
| | - Ali T Taher
- Department of Internal Medicine, American University of Beirut Medical Center, PO Box: 11-0236, Cairo Street, Hamra, Raid E Solh, Beirut 1107 2020, Lebanon
| | - Stefano Rivella
- Department of Pediatrics, Division of Hematology, Children's Hospital of Philadelphia (CHOP), Philadelphia, PA, USA; Cell and Molecular Biology Graduate Group (CAMB), University of Pennsylvania, 421 Curie Boulevard/6064 160 Biomedical Research Building (BRB) 2/3, Philadelphia, PA 19104-6064, USA.
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