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Warang PP, Shinde NS, Umare VD, Deshmukh PV, Ghosh K, Madkaikar MR, Colah RB, Mukherjee MB. Role of Oxidative Stress and the Protective Effect of Fermented Papaya Preparation in Sickle Cell Disease. Hemoglobin 2022; 46:260-264. [PMID: 36073153 DOI: 10.1080/03630269.2022.2118603] [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: 11/04/2022]
Abstract
Fermented papaya preparation (FPP) is the source of antioxidants that may help in reducing the complications associated with oxidative stress and may improve the quality of life in sickle cell disease patients. In this study, we assessed the in vitro effect of FPP on sickled red blood cells (RBCs) using oxidative stress markers and observed that FPP has the potential to reduce the oxidative stress. Scanning electron microscopy (SEM) and eosin 5' malaemide (E5'M) dye test showed that FPP protects red cell morphology against the oxidative stress. Liquid chromatography mass spectrometry (LCMS) analysis of FPP suggests the presence of essential amino acids, vitamin D3, and its derivatives. Fermented papaya preparation can be of benefit either in reducing oxidative stress parameters or in preventing pathophysiological events in the sickle cell disease patients.
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Affiliation(s)
- Prashant P Warang
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Nikhil S Shinde
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Vinod D Umare
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Prajyot V Deshmukh
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Kanjaksha Ghosh
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Manisha R Madkaikar
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Roshan B Colah
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
| | - Malay B Mukherjee
- Department of Haematogenetics, Indian Council of Medical Research, National Institute of Immunohaematology, Mumbai, Maharashtra, India
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2
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Shang Z, Li M, Zhang W, Cai S, Hu X, Yi J. Analysis of phenolic compounds in pickled chayote and their effects on antioxidant activities and cell protection. Food Res Int 2022; 157:111325. [DOI: 10.1016/j.foodres.2022.111325] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/26/2022] [Accepted: 04/28/2022] [Indexed: 11/04/2022]
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Benefits of Fermented Papaya in Human Health. Foods 2022; 11:foods11040563. [PMID: 35206040 PMCID: PMC8870802 DOI: 10.3390/foods11040563] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/08/2022] [Accepted: 02/12/2022] [Indexed: 02/07/2023] Open
Abstract
Fermented foods have been used for several years all over the world, due to their unique nutritional characteristics and because fermentation promotes conservation and food security. Moreover, fermented foods and beverages have a strong impact on human gut microbiota. Papaya is the fruit of the Carica papaya plant, traditionally used as a medicinal fruit, but there are also references to the use of the fermented form of this fruit. The main purpose of this review is to provide an improved understanding of fermented papaya nutritional and health applications. A literature search was conducted in the PubMed and Google Scholar databases. Both in vitro and in vivo studies were included. According to the retrieved studies, fermented papaya has proven to be an excellent antioxidant and an excellent nutraceutical adjuvant in combined therapies against several diseases, such as Alzheimer’s disease, allergic reactions, anticancer activity, and anemias. Therefore, it is concluded that fermented papaya has many benefits for human health and can be used as prevention or aid in the treatment of various diseases.
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4
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Cotoraci C, Ciceu A, Sasu A, Hermenean A. Natural Antioxidants in Anemia Treatment. Int J Mol Sci 2021; 22:ijms22041883. [PMID: 33668657 PMCID: PMC7918704 DOI: 10.3390/ijms22041883] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/07/2021] [Accepted: 02/11/2021] [Indexed: 01/03/2023] Open
Abstract
Anemia, characterized by a decrease of the hemoglobin level in the blood and a reduction in carrying capacity of oxygen, is a major public health problem which affects people of all ages. The methods used to treat anemia are blood transfusion and oral administration of iron-based supplements, but these treatments are associated with a number of side effects, such as nausea, vomiting, constipation, and stomach pain, which limit its long-term use. In addition, oral iron supplements are poorly absorbed in the intestinal tract, due to overexpression of hepcidin, a peptide hormone that plays a central role in iron homeostasis. In this review, we conducted an analysis of the literature on biologically active compounds and plant extracts used in the treatment of various types of anemia. The purpose of this review is to provide up-to-date information on the use of these compounds and plant extracts, in order to explore their therapeutic potential. The advantage of using them is that they are available from natural resources and can be used as main, alternative, or adjuvant therapies in many diseases, such as various types of anemia.
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Affiliation(s)
- Coralia Cotoraci
- Department of Hematology, Faculty of Medicine, Vasile Goldis Western University of Arad, Rebreanu 86, 310414 Arad, Romania;
- Correspondence:
| | - Alina Ciceu
- “Aurel Ardelean” Institute of Life Sciences, Vasile Godis Western University of Arad, Rebreanu 86, 310414 Arad, Romania; (A.C.); (A.H.)
| | - Alciona Sasu
- Department of Hematology, Faculty of Medicine, Vasile Goldis Western University of Arad, Rebreanu 86, 310414 Arad, Romania;
| | - Anca Hermenean
- “Aurel Ardelean” Institute of Life Sciences, Vasile Godis Western University of Arad, Rebreanu 86, 310414 Arad, Romania; (A.C.); (A.H.)
- Department of Histology, Faculty of Medicine, Vasile Goldis Western University of Arad, Rebreanu 86, 310414 Arad, Romania
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5
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Od-Ek P, Deenin W, Malakul W, Phoungpetchara I, Tunsophon S. Anti-obesity effect of Carica papaya in high-fat diet fed rats. Biomed Rep 2020; 13:30. [PMID: 32802327 PMCID: PMC7412661 DOI: 10.3892/br.2020.1337] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Accepted: 07/01/2020] [Indexed: 12/14/2022] Open
Abstract
The present study evaluated the anti-obesity properties of papaya in high-fat (HF) diet fed rats. In the in vitro portion of the present study, the effects of papaya juice on pancreatic lipase enzyme activity was assessed, and it was shown that papaya exhibited an inhibitory effect on these enzymes. In the in vivo portion of the study, papaya was found to reduce the expression levels of markers of obesity, inflammation and oxidative stress in rats. Obesity was induced in 28 male Sprague Dawley rats by feeding them a HF diet for 12 weeks. The anti-obesity effects of papaya was evaluated by feeding papaya juice orally in with two experimental doses: 0.5 ml (HFL) and 1.0 ml (HFH) per 100 g of body weight. The HF diet resulted in significant increases in the body weight, serum triglyceride, serum total cholesterol and serum low-density lipoprotein cholesterol levels, as well as a decrease in serum high-density lipoprotein cholesterol levels. The HF diet also induced adipocyte hypertrophy, lipid accumulation and increased malondialdehyde levels. Papaya reversed all of these changes and significantly increased serum superoxide dismutase and decreased serum cytokine (interleukin-6) levels. The protein expression of levels PPARγ in the HF group was significantly increased compared with the other groups, but was decreased significantly in the HFH group. Histological observations of epididymal adipose tissue provided evidence for the lipid-lowering effects of papaya. The results of the present study demonstrate that papaya has the potential to reduce the risk of obesity associated with adiposity, anti-inflammation and anti-oxidation.
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Affiliation(s)
- Phichittra Od-Ek
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Wanwisa Deenin
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Wachirawadee Malakul
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Ittipon Phoungpetchara
- Department of Anatomy, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Sakara Tunsophon
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand.,Centre of Excellence for Innovation in Chemistry, Naresuan University, Phitsanulok 65000, Thailand
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6
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Kumfu S, Chattipakorn S, Chattipakorn N. Antioxidant and chelator cocktails to prevent oxidative stress under iron-overload conditions. Pathology 2020. [DOI: 10.1016/b978-0-12-815972-9.00011-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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7
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Abstract
Cell oxidative status, which represents the balance between oxidants and antioxidants, is involved in normal functions. Under pathological conditions, there is a shift toward the oxidants, leading to oxidative stress, which is cytotoxic, causing oxidation of cellular components that result in cell death and organ damage. Thalassemia is a hereditary hemolytic anemia caused by mutations in globin genes that cause reduced or complete absence of specific globin chains (commonly, α or β). Although oxidative stress is not the primary etiology of thalassemia, it mediates several of its pathologies. The main causes of oxidative stress in thalassemia are the degradation of the unstable hemoglobin and iron overload-both stimulate the production of excess free radicals. The symptoms aggravated by oxidative stress include increased hemolysis, ineffective erythropoiesis and functional failure of vital organs such as the heart and liver. The oxidative status of each patient is affected by multiple internal and external factors, including genetic makeup, health conditions, nutrition, physical activity, age, and the environment (e.g., air pollution, radiation). In addition, oxidative stress is influenced by the clinical manifestations of the disease (unpaired globin chains, iron overload, anemia, etc.). Application of personalized (theranostics) medicine principles, including diagnostic tests for selecting targeted therapy, is therefore important for optimal treatment of the oxidative stress of these patients. We summarize the role of oxidative stress and the current and potential antioxidative therapeutics in β-thalassemia and describe some methodologies, mostly cellular, that might be helpful for application of a theranostics approach to therapy.
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Affiliation(s)
- Eitan Fibach
- Department of Hematology, Hadassah-Hebrew University Medical Center, Ein-Kerem, POB 12,000, 91120, Jerusalem, Israel.
| | - Mutaz Dana
- Department of Hematology, Hadassah-Hebrew University Medical Center, Ein-Kerem, POB 12,000, 91120, Jerusalem, Israel
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8
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Bissinger R, Bhuyan AAM, Qadri SM, Lang F. Oxidative stress, eryptosis and anemia: a pivotal mechanistic nexus in systemic diseases. FEBS J 2018; 286:826-854. [PMID: 30028073 DOI: 10.1111/febs.14606] [Citation(s) in RCA: 115] [Impact Index Per Article: 19.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 06/15/2018] [Accepted: 07/18/2018] [Indexed: 12/21/2022]
Abstract
The average lifespan of circulating erythrocytes usually exceeds hundred days. Prior to that, however, erythrocytes may be exposed to oxidative stress in the circulation which could cause injury and trigger their suicidal death or eryptosis. Oxidative stress activates Ca2+ -permeable nonselective cation channels in the cell membrane, thus, stimulating Ca2+ entry and subsequent cell membrane scrambling resulting in phosphatidylserine exposure and activation of Ca2+ -sensitive K+ channels leading to K+ exit, hyperpolarization, Cl- exit, and ultimately cell shrinkage due to loss of KCl and osmotically driven water. While the mechanistic link between oxidative stress and anemia remains ill-defined, several diseases such as diabetes, hepatic failure, malignancy, chronic kidney disease and inflammation have been identified to display both increased oxidative stress as well as eryptosis. Recent compelling evidence suggests that oxidative stress is an important perpetrator in accelerating erythrocyte loss in different systemic conditions and an underlying mechanism for anemia associated with these pathological states. In the present review, we discuss the role of oxidative stress in reducing erythrocyte survival and provide novel insights into the possible use of antioxidants as putative antieryptotic and antianemic agents in a variety of systemic diseases.
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Affiliation(s)
- Rosi Bissinger
- Department of Internal Medicine III, Eberhard-Karls-University Tübingen, Germany
| | - Abdulla Al Mamun Bhuyan
- Department of Vegetative & Clinical Physiology, Institute of Physiology, Eberhard-Karls-University Tübingen, Germany
| | - Syed M Qadri
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada.,Centre for Innovation, Canadian Blood Services, Hamilton, ON, Canada
| | - Florian Lang
- Department of Vegetative & Clinical Physiology, Institute of Physiology, Eberhard-Karls-University Tübingen, Germany.,Department of Molecular Medicine II, Heinrich Heine University, Düsseldorf, Germany
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9
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Fermented papaya preparation modulates the progression of N-methyl-N-nitrosourea induced hepatocellular carcinoma in Balb/c mice. Life Sci 2016; 151:330-338. [PMID: 26979773 DOI: 10.1016/j.lfs.2016.03.026] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Revised: 03/08/2016] [Accepted: 03/11/2016] [Indexed: 11/21/2022]
Abstract
AIM AND MAIN METHOD The medicinal properties of fermented papaya preparation (FPP) derived from Carica papaya fruit was investigated in order to determine its ability to modulate the progression of N-methyl-N-nitrosourea induced hepatocellular carcinoma in Balb/c mice. KEY FINDINGS As well as reducing the physical symptoms associated with N-methyl-N-nitrosourea (MNU)-induced hepatocellular carcinoma, supplementation of Balb/c mice with 500mg FPP/kg BW for 92days normalized the blood cell count, led to an increased activity of several key antioxidant enzymes (SOD: +20%, CAT: +81%, GPx: +66.1%, GR: +54.4%; P<0.001 vs. MNU control), increased the ferrous reducing antioxidant potential (+36.7%, P<0.001 vs. MNU control) and reduced the extent of lipid peroxidation in the liver by 44.3% (P<0.001 vs. MNU control). SIGNIFICANCE Results demonstrated the ability of FPP to preserve the integrity of liver against oxidative damage and protect hepatocytes against irreversible DNA structural modifications induced by MNU, highlighting its potential role as an immune-defense modulator during hepatocarcinoma.
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10
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Fibach E, Dana M. Oxidative stress in paroxysmal nocturnal hemoglobinuria and other conditions of complement-mediated hemolysis. Free Radic Biol Med 2015; 88:63-9. [PMID: 25937178 DOI: 10.1016/j.freeradbiomed.2015.04.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Revised: 02/23/2015] [Accepted: 04/21/2015] [Indexed: 12/11/2022]
Abstract
The complement (C') system and redox status play important roles in the physiological functioning of the body, such as the defense system, but they are also involved in various pathological conditions, including hemolytic anemia. Herein, we review the interaction between the C' and the redox systems in C'-mediated hemolytic anemias, paroxysmal nocturnal hemoglobinuria (PNH) and autoimmune hemolytic anemia, including acute hemolytic transfusion reaction. Blood cells in these diseases have been shown to have increased oxidative status, which was further elevated by interaction with activated C'. The results suggest that oxidative stress, in conjunction with activated C', may cause the underlying symptoms of these diseases, such as intra- and extravascular hemolysis and thrombotic complications. Antioxidants ameliorate oxidative stress by preventing generation of free radicals, by scavenging and preventing their accumulation, and by correcting their cellular damage. Antioxidants have been shown to reduce the oxidative stress and inhibit hemolysis as well as platelet activation mediated by activated C'. This raises the possibility that treatment with antioxidants might be considered as a potential therapeutic modality for C'-mediated hemolytic anemias. Currently, eculizumab, a humanized monoclonal antibody that specifically targets the C' protein C5, is the main treatment modality for PNH. However, because antioxidants are well tolerated and relatively inexpensive, they might be considered as potential adjuvants or an alternative therapeutic modality for PNH and other C'-mediated hemolytic anemias.
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Affiliation(s)
- Eitan Fibach
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem 91120, Israel.
| | - Mutaz Dana
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem 91120, Israel
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11
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Fibach E, Ginsburg I. The Antioxidant Effect of Fermented Papaya Preparation in the Oral Cavity. Phytother Res 2015; 29:1317-1322. [PMID: 26031772 DOI: 10.1002/ptr.5381] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 05/04/2015] [Accepted: 05/05/2015] [Indexed: 12/20/2022]
Abstract
Oxidative stress has been recognized to play important roles in various diseases, including of the oral cavity. However, nutritional supplementation of antioxidants to ameliorate the consequences of oxidative stress is debatable. One caveat is that oxidative status is often measured under non-physiological conditions. Here, we investigated the antioxidant potential of fermented papaya preparation (FPP), a product of yeast fermentation of Carica papaya Linn, under conditions that prevail in the oral cavity. Employing highly sensitive luminol-dependent chemiluminescence assays, we show that its antioxidant capacity was augmented by saliva (up to 20-fold, p < 0.0001, at 10 mg) and its components (mucin, albumin) as well as by red blood cells (RBC) and microorganisms present in the normal and pathological environment of the oral cavity. Polyphenols are major plant antioxidants. Using the Folin-Ciocalteu's assay, a very low amount of phenols was measured in FPP suspended in a salt solution. However, its suspension in saliva, albumin, mucin or RBC produced up to sixfold increase, p < 0.001, compared with the sum of polyphenols assayed separately. The results suggested that these enhancing effects were due to the solubilization of antioxidant polyphenols in FPP by saliva proteins and the binding to RBC and microorganisms, thus increasing their availability and activity. Copyright © 2015 John Wiley & Sons, Ltd.
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Affiliation(s)
- E Fibach
- The Hematology Branch, Hebrew University - Hadassah Medical Center, Jerusalem, Israel
| | - I Ginsburg
- The Institute for Dental Sciences, Faculty of Dental Medicine, Hebrew University - Hadassah Medical Center, Jerusalem, Israel
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12
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Kalish Y, Malyutin Z, Shai E, Dana M, Avraham L, Jahshan N, Rachmilewitz E, Fibach E, Varon D. A mouse model to study thrombotic complications of thalassemia. Thromb Res 2015; 135:521-5. [PMID: 25613926 DOI: 10.1016/j.thromres.2014.12.023] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 12/11/2014] [Accepted: 12/23/2014] [Indexed: 12/26/2022]
Abstract
Patients with β-thalassemia major and mainly intermedia have an increased risk for developing venous and arterial thrombosis which may be related to circulating pathological red blood cells (RBC) and continuous platelet activation. In the present study we used a modified thalassemic mice model in conjunction with a "real-time" carotid thrombus formation procedure to investigate thrombotic complications of thalassemia. Heterozygous Th3/+ mice, which lack one copy of their β-major and β-minor globin genes, exhibit anomalies in RBC size and shape, chronic anemia and splenomegaly which recapitulate the phenotype of human β-thalassemia intermedia. Flow cytometry measurements showed higher reactive oxygen species generation, indicating oxidative stress, in platelets and RBC of the thalassemic mice compared with wild type mice concomitant with an increase in reduced glutathione content which may represent a compensatory response to oxidative stress, and exposed phosphatidylserine which indicates platelet activation. To elucidate the effect of thalassemia on the development of arterial thrombosis, we studied photochemical-induced real-time thrombus formation in the carotid artery of these mice. The results indicated a significantly shorter "time to occlusion" in the thalassemic mice compared to wild type mice, which was prolonged following in vivo aspirin treatment. We suggest that this mouse model may contribute to our understanding of platelet activation and the hypercoagulable state in thalassemia and lay foundations to screening of anti-platelet drugs as well as anti-oxidants as possible therapeutics for prevention of thrombosis in thalassemia patients.
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Affiliation(s)
- Yosef Kalish
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Zeev Malyutin
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Ela Shai
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Mutaz Dana
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Limor Avraham
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - Nivin Jahshan
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | | | - Eitan Fibach
- Department of Hematology, Hadassah-Hebrew University Medical Center, Jerusalem, Israel
| | - David Varon
- Coagulation Unit, Hadassah-Hebrew University Medical Center, Jerusalem, Israel.
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Aruoma OI, Somanah J, Bourdon E, Rondeau P, Bahorun T. Diabetes as a risk factor to cancer: functional role of fermented papaya preparation as phytonutraceutical adjunct in the treatment of diabetes and cancer. Mutat Res 2014; 768:60-68. [PMID: 24769427 DOI: 10.1016/j.mrfmmm.2014.04.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Revised: 04/09/2014] [Accepted: 04/10/2014] [Indexed: 06/03/2023]
Abstract
Oncologists and diabetologists quote scientific data from epidemiological and in vitro studies to show that high levels of insulin and glucose, in combination with oxidative stress and chronic inflammation, can heighten the risk of developing cancer amongst patients with diabetes. Although the cancers that have been consistently associated with type 2 diabetes include pancreatic, colorectal, breast and liver cancer, the preponderance of the disease risk factors such as obesity, inflammation, hyperglycemia, hyperinsulinaemia (as a result of insulin resistance and oxidative β-cell damage) and the indirect influence of anti-diabetic medications are increasingly being defined. Fermented papaya preparation (FPP) has defined antioxidant and immune-modulating potentials. The ability of FPP influence signaling cascades associated with cell growth and survival presents a rational for chemopreventive adjunct that can be used in combination with traditional redox based therapies that target oxidative stress in the cancer micro environment. It is further suggested that the demonstrated efficacy FPP to control blood glucose, excessive inflammation and modulate free radical-induced oxidative damage which are triggers of liver, bladder, breast and prostate cancers in type 2 diabetics, may favorably mitigate the side effects of ensuing diabetes and cancer therapy. What remains paramount is early cancer detection and early determination of propensity risks for diabetes. The education of patients, proper dietary management and compliance with therapeutic regime directed at cancer and diabetes encapsulate challenges of global magnitude.
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Affiliation(s)
- Okezie I Aruoma
- Department of Pharmaceutical Sciences, School of Pharmacy, American University of Health Sciences, Signal Hill, CA, USA.
| | - Jhoti Somanah
- ANDI Center for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius
| | - Emmanuel Bourdon
- Groupe d'Etude sur l'Inflammation Chronique et l'Obésité (GEICO), Université de La Réunion, Plateforme CYROI, Saint Denis, France
| | - Philippe Rondeau
- Groupe d'Etude sur l'Inflammation Chronique et l'Obésité (GEICO), Université de La Réunion, Plateforme CYROI, Saint Denis, France
| | - Theeshan Bahorun
- ANDI Center for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius.
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Novel approach to reactive oxygen species in nontransfusion-dependent thalassemia. BIOMED RESEARCH INTERNATIONAL 2014; 2014:350432. [PMID: 25121095 PMCID: PMC4119900 DOI: 10.1155/2014/350432] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2014] [Accepted: 06/07/2014] [Indexed: 12/13/2022]
Abstract
The term Nontransfusion dependent thalassaemia (NTDT) was suggested to describe patients who had clinical manifestations that are too severe to be termed minor yet too mild to be termed major. Those patients are not entirely dependent on transfusions for survival.
If left untreated, three main factors are responsible for the clinical sequelae of NTDT: ineffective erythropoiesis, chronic hemolytic anemia, and iron overload. Reactive oxygen species (ROS) generation in NTDT patients is caused by 2 major mechanisms. The first one is chronic hypoxia resulting from chronic anemia and ineffective erythropoiesis leading to mitochondrial damage and the second is iron overload also due to chronic anemia and tissue hypoxia leading to increase intestinal iron absorption in thalassemic patients. Oxidative damage by reactive oxygen species (generated by free globin chains and labile plasma iron) is believed to be one of the main contributors to cell injury, tissue damage, and hypercoagulability in patients with thalassemia. Independently increased ROS has been linked to a myriad of pathological outcomes such as leg ulcers, decreased wound healing, pulmonary hypertension, silent brain infarcts, and increased thrombosis to count a few. Interestingly many of those complications overlap with those found in NTDT patients.
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Somanah J, Bourdon E, Rondeau P, Bahorun T, Aruoma OI. Relationship between fermented papaya preparation supplementation, erythrocyte integrity and antioxidant status in pre-diabetics. Food Chem Toxicol 2013; 65:12-7. [PMID: 24316314 DOI: 10.1016/j.fct.2013.11.050] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 11/13/2013] [Accepted: 11/30/2013] [Indexed: 12/28/2022]
Abstract
Erythrocytes and their membranes are favorable models to study the relationship between diabetes and susceptibility of erythrocytes to oxidative stress damage. The recommendation for the use of fermented papaya preparation (FPP) as a functional food for dietary management of type 2 diabetes was evaluated by assessing its effect on the human antioxidant status and erythrocyte integrity on a multi-ethnical pre-diabetic population. The in vivo effect of FPP was compared with its in vitro free radical scavenging potentials. FPP exhibited potent in vitro free radical scavenging activities thought to be attributed to residual phenolic or flavonoid compounds. Low doses of FPP significantly reduced the susceptibility of human erythrocytes to undergo free radical-induced hemolysis. The intake of 6g FPP/day for a period of 14weeks was observed to significantly reduce the rate of hemolysis and accumulation of protein carbonyls in the blood plasma of pre-diabetics. That FPP consumption on a daily basis can strengthen the antioxidant defense system in vivo was clearly demonstrated by the marked increase of total antioxidant status in the FPP-supplemented pre-diabetics. That FPP maintains the integrity of erythrocytes could benefit the strategies to improve the quality of future blood products.
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Affiliation(s)
- Jhoti Somanah
- ANDI Center for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius
| | - Emmanuel Bourdon
- Groupe d'Etude sur l'Inflammation Chronique et l'Obésité (GEICO), Université de La Réunion, Plateforme CYROI, Saint Denis, France.
| | - Philippe Rondeau
- Groupe d'Etude sur l'Inflammation Chronique et l'Obésité (GEICO), Université de La Réunion, Plateforme CYROI, Saint Denis, France
| | - Theeshan Bahorun
- ANDI Center for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit, Mauritius.
| | - Okezie I Aruoma
- School of Pharmacy, American University of Health Sciences, Signal Hill, CA 90755, USA.
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Oxidative stress and β-thalassemic erythroid cells behind the molecular defect. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2013; 2013:985210. [PMID: 24205432 PMCID: PMC3800594 DOI: 10.1155/2013/985210] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/28/2013] [Accepted: 06/04/2013] [Indexed: 11/18/2022]
Abstract
β-thalassemia is a worldwide distributed monogenic red cell disorder, characterized by the absence or reduced β-globin chain synthesis. Despite the extensive knowledge of the molecular defects causing β-thalassemia, less is known about the mechanisms responsible for the associated ineffective erythropoiesis and reduced red cell survival, which sustain anemia of β-thalassemia. The unbalance of alpha-gamma chain and the presence of pathological free iron promote a severe red cell membrane oxidative stress, which results in abnormal β-thalassemic red cell features. These cells are precociously removed by the macrophage system through two mechanisms: the removal of phosphatidylserine positive cells and through the natural occurring antibody produced against the abnormally clustered membrane protein band 3. In the present review we will discuss the changes in β-thalassemic red cell homeostasis related to the oxidative stress and its connection with production of microparticles and with malaria infection. The reactive oxygen species (ROS) are also involved in ineffective erythropoiesis of β-thalassemia through still partially known pathways. Novel cytoprotective systems such as ASHP, eIF2α, and peroxiredoxin-2 have been suggested to be important against ROS in β-thalassemic erythropoiesis. Finally, we will discuss the results of the major in vitro and in vivo studies with antioxidants in β-thalassemia.
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Abstract
It is common knowledge that thalassemic patients are under significant oxidative stress. Chronic hemolysis, frequent blood transfusion, and increased intestinal absorption of iron are the main factors that result in iron overload with its subsequent pathophysiologic complications. Iron overload frequently associates with the generation of redox-reactive labile iron, which in turn promotes the production of other reactive oxygen species (ROS). If not neutralized, uncontrolled production of ROS often leads to damage of various intra- and extracellular components such as DNA, proteins, lipids, and small antioxidant molecules among others. A number of endogenous and exogenous defense mechanisms can neutralize and counteract the damaging effects of labile iron and the reactive substances associated with it. Endogenous antioxidant enzymes, such as superoxide dismutase, catalase, glutathione peroxidase, and ferroxidase, may directly or sequentially terminate the activities of ROS. Nonenzymatic endogenous defense mechanisms include metal binding proteins (ceruloplasmin, haptoglobin, albumin, and others) and endogenously produced free radical scavengers (glutathione (GSH), ubiquinols, and uric acid). Exogenous agents that are known to function as antioxidants (vitamins C and E, selenium, and zinc) are mostly diet-derived. In this review, we explore recent findings related to various antioxidative mechanisms operative in thalassemic patients with special emphasis on protein antioxidants.
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Affiliation(s)
- Samir Awadallah
- Department of Medical Laboratory Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab Emirates.
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Arruda MM, Mecabo G, Rodrigues CA, Matsuda SS, Rabelo IB, Figueiredo MS. Antioxidant vitamins C and E supplementation increases markers of haemolysis in sickle cell anaemia patients: a randomized, double-blind, placebo-controlled trial. Br J Haematol 2012; 160:688-700. [PMID: 23278176 DOI: 10.1111/bjh.12185] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2012] [Accepted: 11/09/2012] [Indexed: 12/17/2022]
Abstract
Erythrocytes from sickle cell anaemia (SCA) patients continuously produce larger amounts of pro-oxidants than normal cells. Oxidative stress seems to primarily affect the membrane and results in haemolysis. The use of antioxidants in vitro reduces the generation of pro-oxidants. To evaluate the impact of vitamins C (VitC) and E (VitE) supplementation in SCA patients, patients over 18 years were randomly assigned to receive VitC 1400 mg + VitE 800 mg per day or placebo orally for 180 d. Eighty-three patients were enrolled (44 vitamins, 39 placebo), median age 27 (18-68) years, 64% female. There were no significant differences between the two groups regarding clinical complications or baseline laboratorial tests. Sixty percent of the patients were VitC deficient, 70% were VitE deficient. Supplementation significantly increased serum VitC and E. However, no significant changes in haemoglobin levels were observed, and, unexpectedly, there was a significant increase in haemolytic markers with vitamin supplementation. In conclusion, VitC + VitE supplementation did not improve anaemia and, surprisingly, increased markers of haemolysis in patients with SCA and S-β(0) -thalassaemia. The exact mechanisms to explain this findings and their clinical significance remain to be determined.
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Affiliation(s)
- Martha M Arruda
- Hematology and Blood Transfusion Department, Federal University of São Paulo, UNIFESP, São Paulo, Brazil
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Mohamed Sadek K. Antioxidant and immunostimulant effect of carica papaya linn. Aqueous extract in acrylamide intoxicated rats. Acta Inform Med 2012; 20:180-5. [PMID: 23322975 PMCID: PMC3508853 DOI: 10.5455/aim.2012.20.180-185] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2012] [Accepted: 07/30/2012] [Indexed: 11/07/2022] Open
Abstract
INTRODUCTION The present study was conducted to evaluate the antioxidant and immunostimulant effects of The Carica papaya fruit aqueous extract (CPF, Caricaceae) against acrylamide induced oxidative stress and improvement of Immune functions which affected by free radicals liberating acrylamide in rats. MATERIAL AND METHODS Sixty male wistar albino rats (195-230g) were assigned to four groups, (fifteen/group). The first group used as control group and received normal physiological saline orally daily. The second group was supplemented with acrylamide 0.05% in drinking water. The third group was gastro-gavaged with 250 mg/kg of papaya fruit extract orally on daily basis. The fourth group was supplemented with acrylamide 0.05% in drinking water and gastro-gavaged with 250 mg/kg of papaya fruit extract orally on daily basis. The chosen dose of papaya fruit extract was based on the active pharmacological dose range obtained from the orientation study earlier conducted. The experimental period was extended to forty day. At the expiration of the experimental period and night fasting, blood samples were collected from the orbital venous sinus. The sera were separated and used for determining of IgG and IgM and the stomach, liver and kidney homogenates for estimation of MDA, GSH level, SOD and CAT activity as a biomarker of lipid peroxidation and antioxidative stress. RESULTS AND DISCUSSION The obtained results revealed that, acrylamide caused significant increases in MDA and decrease of GSH level, SOD and CAT activity due to the oxidative stress induced by acrylamide on membrane polyunsaturated fatty acids in rat's stomach, liver and kidney while administration of CPF aqueous extract, was significantly ameliorated the increased levels of MDA and decline of GSH, SOD and CAT activity in the stomach, liver and kidney tissues caused by acrylamide toxicity. Meanwhile, CPF aqueous extract significantly increased immune functions (IgG and IgM) while acrylamide significantly decrease it specially IgG. Thus, this study suggests that acrylamide-induced oxidative stress in rats can be ameliorated by administration of CPF aqueous extract.
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Affiliation(s)
- Kadry Mohamed Sadek
- Department of Biochemistry, Faculty of Veterinary Medicine, Albostan, Damanhur University, Egypt
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Dickerson R, Deshpande B, Gnyawali U, Lynch D, Gordillo GM, Schuster D, Osei K, Roy S. Correction of aberrant NADPH oxidase activity in blood-derived mononuclear cells from type II diabetes mellitus patients by a naturally fermented papaya preparation. Antioxid Redox Signal 2012; 17:485-91. [PMID: 22369197 PMCID: PMC3365356 DOI: 10.1089/ars.2011.4292] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2011] [Accepted: 02/08/2012] [Indexed: 01/01/2023]
Abstract
UNLABELLED Supplementation of standardized fermented papaya preparation (FPP) to adult diabetic mice improves dermal wound healing outcomes. Peripheral blood mononuclear cells (PBMC) from type II diabetes mellitus (T2DM) patients elicit a compromised respiratory burst activity resulting in increased risk of infections for the diabetic patients. AIMS The objectives of the current study were to determine the effect of FPP supplementation on human diabetic PBMC respiratory burst activity and to understand underlying mechanisms of such action of FPP. RESULTS When stimulated with phorbol 12-myristate 13-acetate, the production of reactive oxygen species by T2DM PBMC was markedly compromised compared to that of the PBMC from non-DM donors. FPP treated ex vivo improved respiratory burst outcomes in T2DM PBMC. FPP treatment significantly increased phosphorylation of the p47phox subunit of NADPH oxidase. In addition, the protein and mRNA expression of Rac2 was potently upregulated after FPP supplemention. The proximal human Rac2 gene promoter is G-C rich and contains consensus binding sites for Sp1 and AP-1. While FPP had no significant effect on the AP-1 DNA binding activity, the Sp1 DNA binding activity was significantly upregulated in PBMC after treatment of the cells with FPP. INNOVATION This work provided first evidence that compromised respiratory burst performance of T2DM PBMC may be corrected by a nutritional supplement. CONCLUSION FPP can correct respiratory burst performance of T2DM PBMC via an Sp-1-dependant pathway. Studies testing the outcome of FPP supplementation in diabetic patients are warranted.
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Affiliation(s)
- Ryan Dickerson
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
| | - Bhakthi Deshpande
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
| | - Urmila Gnyawali
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
| | - Debbie Lynch
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
| | - Gayle M. Gordillo
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
| | - Dara Schuster
- Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University Medical Center, Columbus, Ohio
| | - Kwame Osei
- Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University Medical Center, Columbus, Ohio
| | - Sashwati Roy
- Department of Surgery, Comprehensive Wound Center, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio
- Endocrinology, Diabetes, and Metabolism, Department of Internal Medicine, The Ohio State University Medical Center, Columbus, Ohio
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Somanah J, Aruoma OI, Gunness TK, Kowelssur S, Dambala V, Murad F, Googoolye K, Daus D, Indelicato J, Bourdon E, Bahorun T. Effects of a short term supplementation of a fermented papaya preparation on biomarkers of diabetes mellitus in a randomized Mauritian population. Prev Med 2012; 54 Suppl:S90-7. [PMID: 22330753 DOI: 10.1016/j.ypmed.2012.01.014] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2011] [Revised: 01/18/2012] [Accepted: 01/18/2012] [Indexed: 01/14/2023]
Abstract
OBJECTIVE Clinical evidence and cellular models have shown an inverse relationship between the intakes of plant and fruit based diets and oxidative stress, suggesting the suitability of natural antioxidants in the management of diabetes mellitus and its complications. METHOD A randomized controlled clinical trial was conducted at the Cardiac Centre, SSRN Hospital, Pamplemousses, (Mauritius) to determine the effect of a short term supplementation of a fermented papaya preparation (FPP®) on biomarkers of diabetes and antioxidant status in a multi-ethnical neo-diabetic population from November 2010 to March 2011. RESULT Supplementation of 6g FPP®/day for a period of 14 weeks could improve the general health status of several organs targeted by oxidative stress during diabetes. When comparing experimental to control groups with independent samples t-test, C-reactive protein levels significantly decreased (P=0.018), LDL/HDL ratio was considerably changed (P=0.042), and uric acid levels were significantly improved (P=0.001). ANOVA results also validated the same findings with significant differences in C-reactive protein, LDL/HDL ratio, uric acid and in serum ferritin levels. CONCLUSION FPP® may present a novel, economically feasible nutraceutical supplement for the management of diabetes and for those at risk for cardiovascular disease, neurological disease and other conditions worsened by overt inflammation and oxidative stress.
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Affiliation(s)
- Jhoti Somanah
- ANDI Centre of Excellence for Biomedical and Biomaterials Research and Department of Biosciences University of Mauritius, Réduit, Republic of Mauritius
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Nur E, Biemond BJ, Otten HM, Brandjes DP, Schnog JJB. Oxidative stress in sickle cell disease; pathophysiology and potential implications for disease management. Am J Hematol 2011; 86:484-9. [PMID: 21544855 DOI: 10.1002/ajh.22012] [Citation(s) in RCA: 146] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2010] [Revised: 01/30/2011] [Accepted: 02/14/2011] [Indexed: 12/11/2022]
Abstract
Sickle cell disease (SCD) is a hemoglobinopathy characterized by hemolytic anemia, increased susceptibility to infections and vaso-occlusion leading to a reduced quality of life and life expectancy. Oxidative stress is an important feature of SCD and plays a significant role in the pathophysiology of hemolysis, vaso-occlusion and ensuing organ damage in sickle cell patients. Reactive oxygen species (ROS) and the (end-)products of their oxidative reactions are potential markers of disease severity and could be targets for antioxidant therapies. This review will summarize the role of ROS in SCD and their potential implication for SCD management.
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Affiliation(s)
- Erfan Nur
- Department of Internal Medicine, Slotervaart Hospital Amsterdam, The Netherlands.
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Aruoma OI, Hayashi Y, Marotta F, Mantello P, Rachmilewitz E, Montagnier L. Applications and bioefficacy of the functional food supplement fermented papaya preparation. Toxicology 2010; 278:6-16. [PMID: 20870007 DOI: 10.1016/j.tox.2010.09.006] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2010] [Accepted: 09/12/2010] [Indexed: 02/07/2023]
Abstract
Fermented papaya preparation (FPP) (a product of yeast fermentation of Carica papaya Linn) is a food supplement. Studies in chronic and degenerative disease conditions (such as thalassemia, cirrhosis, diabetes and aging) and performance sports show that FPP favorably modulates immunological, hematological, inflammatory, vascular and oxidative stress damage parameters. Neuroprotective potential evaluated in an Alzheimer's disease cell model showed that the toxicity of the β-amyloid can be significantly modulated by FPP. Oxidative stress trigger apoptotic pathways such as the c-jun N-terminal kinase (JNK) and p38-mitogen activated protein kinase (MAPK) are preferentially activated by pro-inflammatory cytokines and oxidative stress resulting in cell differentiation and apoptosis. FPP modulated the H₂O₂-induced ERK, Akt and p38 activation with the reduction of p38 phosphorylation induced by H₂O₂. FPP reduces the extent of the H₂O₂-induced DNA damage, an outcome corroborated by similar effects obtained in the benzo[a]pyrene treated cells. No genotoxic effect was observed in experiments with FPP exposed to HepG2 cells nor was FPP toxic to the PC12 cells. Oxidative stress-induced cell damage and inflammation are implicated in a variety of cancers, diabetes, arthritis, cardiovascular dysfunctions, neurodegenerative disorders (such as stroke, Alzheimer's disease, and Parkinson's disease), exercise physiology (including performance sports) and aging. These conditions could potentially benefit from functional nutraceutical/food supplements (as illustrated here with fermented papaya preparation) exhibiting anti-inflammatory, antioxidant, immunostimulatory (at the level of the mucus membrane) and induction of antioxidant enzymes.
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Affiliation(s)
- Okezie I Aruoma
- Department of Pharmaceutical and Biomedical Sciences, Touro College of Pharmacy, New York, NY, USA.
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Olalla-Saad ST. Fermented papaya preparation for β-thalassemia? Expert Rev Hematol 2010; 3:265-8. [PMID: 21082979 DOI: 10.1586/ehm.10.23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This article comments on the results obtained by Fibach et al., which showed reduction of oxidative status in red blood cells of patients with β- and E-β-thalassemia (β-thal) treated with fermented papaya preparation. The study was a three-center, prospective study, including eight patients with β-thal intermedia, four β-thal major and seven E-β-thal patients. The patients received 3 g of fermented papaya preparation (FPP) two- to three-times a day after meals, respectively, for 3 months. A marked decrease in reactive oxygen species, lipid peroxidation and phosphatidylserine externalization and an increase in GSH were detected in both groups of patients, indicating that FPP is efficient in reducing the oxidative stress of these red blood cells. The results are very encouraging as all parameters analyzed indicated the reduction of red blood cells oxidative stress by the action of a natural and inexpensive product.
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Affiliation(s)
- Sara T Olalla-Saad
- Hemocentro-Unicamp, Cidade Universitária Zeferino Vaz, CEP 13083-970, Campinas, SP, Brazil.
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Oxidative stress contributes to hemolysis in patients with hereditary spherocytosis and can be ameliorated by fermented papaya preparation. Ann Hematol 2010; 90:509-13. [DOI: 10.1007/s00277-010-1110-2] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2010] [Accepted: 10/18/2010] [Indexed: 11/26/2022]
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Fibach E, Rachmilewitz EA. The role of antioxidants and iron chelators in the treatment of oxidative stress in thalassemia. Ann N Y Acad Sci 2010; 1202:10-6. [PMID: 20712766 DOI: 10.1111/j.1749-6632.2010.05577.x] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
On the basis of all the presented data, one can conclude that oxidative stress plays a major role in the pathophysiology of thalassemia and other congenital and acquired hemolytic anemias. Free extracellular (labile plasma iron, LPI) and intracellular (labile iron pool, LIP) iron species that have been identified in thalassemic blood cells are responsible for generation of oxidative stress by catalyzing formation of oxygen radicals over the antioxidant capacity of the cell. Consequently, there is a rationale for iron chelation to eliminate the free-iron species, which in this respect, act like antioxidants. In addition, antioxidants such as vitamin E and polyphenols are also capable of ameliorating increased oxidative stress parameters and, given together with iron chelators, may provide a substantial improvement in the pathophysiology of hemolytic anemias and particularly in thalassemia.
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Affiliation(s)
- Eitan Fibach
- Department of Hematology, Hadassah-Hebrew University Medical Center, Ein-Kerem, Jerusalem, Israel.
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Collard E, Roy S. Improved function of diabetic wound-site macrophages and accelerated wound closure in response to oral supplementation of a fermented papaya preparation. Antioxid Redox Signal 2010; 13:599-606. [PMID: 20095880 PMCID: PMC2935338 DOI: 10.1089/ars.2009.3039] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Carica papaya Linn is widely known as a medicinal fruit. We sought to study a standardized fermented papaya preparation (FPP) for its effects on wound healing in adult obese diabetic (db/db) mice. FPP blunted the gain in blood glucose and improved the lipid profile after 8 weeks of oral supplementation. However, FPP did not influence weight gain during the supplementation period. FPP (0.2 g/kg body weight) supplementation for 8 weeks before wounding was effective in correcting wound closure. Studies on viable macrophages isolated from the wound site demonstrated that FPP supplementation improved respiratory-burst function as well as inducible NO production. Reactive oxygen species support numerous aspects of wound healing; NO availability in diabetic wounds is known to be compromised. Diabetic mice supplemented with FPP showed a higher abundance of CD68 as well as CD31 at the wound site, suggesting effective recruitment of monocytes and an improved proangiogenic response. This work provides the first evidence that diabetic-wound outcomes may benefit from FPP supplementation by specifically influencing the response of wound-site macrophages and the subsequent angiogenic response. Given that FPP has a long track record of safe human consumption, testing of the beneficial effects of FPP on diabetic wound-related outcomes in a clinical setting is warranted.
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Affiliation(s)
- Eric Collard
- Comprehensive Wound Center, Department of Surgery, Davis Heart and Lung Research Institute, The Ohio State University Medical Center, Columbus, Ohio 43210, USA
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Jamuar SS, Tan ES, Sun L, Law HY, Lai AHM, Ng ISL. The Clinical Effects of Fermented Papaya Preparation® (FPP®) on Oxidative Stress in Patients with HbE/ β -Thalassaemia. PROCEEDINGS OF SINGAPORE HEALTHCARE 2010. [DOI: 10.1177/201010581001900204] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Background: Red blood cells (RBC) of patients with thalassaemia are under continuous oxidative stress. Fermented papaya preparation® (FPP®) has been shown to have an antioxidative effect and is postulated to reduce the oxidative stress on RBC. Objective: To study the clinical effects of FPP® treatment in patients with HbE/β-thalassaemia on RBC indices, oxidative stress and quality of life scores. Method: Patients with HbE/β-thalassaemia who do not receive regular blood transfusion were included in the study and were given FPP® daily (3gm 2 times a day) for 12 weeks. Peripheral blood samples were obtained at the initiation of the study and at 4-weekly intervals thereafter for a period of 12 weeks. The following parameters were measured: Haemoglobin (Hb), mean corpuscular volume (MCV), reticulocyte count; Oxidation studies: production of reactive oxygen species (ROS) and intracellular glutathione content (GSH), spontaneously and in response to oxidative stress; Quality of life (QoL) at the start and at the end of 12 weeks using health survey questionnaires. Results: Seven patients (5 females and 2 males) were recruited to the study from January 2006 to April 2006. Median age of the study population was 19 years (range 4 to 27yrs). In vitro analyses showed production of significantly less ROS and more GSH following treatment. There was no significant difference in the Hb, MCV, reticulocyte count, clinical parameters or QoL scores. FPP® was well tolerated by all the patients. Conclusion: Although oxidative stress parameters were decreased, FPP® did not have any significant effect on the Hb levels or QoL. Longer studies on larger sample size are required to study the long-term clinical effect of FPP® on clinical parameters in patients with Hb E/β-thalassaemia.
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Affiliation(s)
- Saumya Shekhar Jamuar
- Genetics Service, Department of Paediatric Medicine, KK Women's and Children's Hospital, Singapore
| | - Ee Shien Tan
- Genetics Service, Department of Paediatric Medicine, KK Women's and Children's Hospital, Singapore
| | - Li Sun
- Department of Renal Medicine, Singapore General Hospital, Singapore
| | - Hai Yang Law
- Genetics Service, Department of Paediatric Medicine, KK Women's and Children's Hospital, Singapore
| | - Angeline HM Lai
- Genetics Service, Department of Paediatric Medicine, KK Women's and Children's Hospital, Singapore
| | - Ivy SL Ng
- Genetics Service, Department of Paediatric Medicine, KK Women's and Children's Hospital, Singapore
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Marotta F, Koike K, Lorenzetti A, Jain S, Signorelli P, Metugriachuk Y, Mantello P, Locorotondo N. Regulating redox balance gene expression in healthy individuals by nutraceuticals: a pilot study. Rejuvenation Res 2010; 13:175-8. [PMID: 20370494 DOI: 10.1089/rej.2009.0950] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
We tested the effect of a fermented papaya preparation (FPP; ORI, Gifu, Japan) on redox balance gene expression in 11 healthy nonsmoker, teetotaller individuals subjected to a detailed dietary and lifestyle questionnaire who refrained from any multivitamin supplement or fortified food. Redox status was assessed by erythrocyte and plasma parameters together with related leukocyte mRNA (glutathione peroxidase [GPx], superoxide dismutase [SOD], catalase, 8-oxoguanine glycosylase [hOGG1]) before/after 6 grams of FPP supplementation. At 2 and 4 weeks after FPP administration, plasma parameters remained unchanged, whereas FPP significantly upregulated all tested gene expression (p < 0.05). Although posttranscriptional/translation protein modifications do occur and larger and longer studies are awaited, these preliminary data suggest that a transcriptomic modification of key redox and DNA repair genes may offer further insights when attempting to interrelate "nutragenomics" to clinical phenomena.
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Kalpravidh RW, Siritanaratkul N, Insain P, Charoensakdi R, Panichkul N, Hatairaktham S, Srichairatanakool S, Phisalaphong C, Rachmilewitz E, Fucharoen S. Improvement in oxidative stress and antioxidant parameters in β-thalassemia/Hb E patients treated with curcuminoids. Clin Biochem 2010; 43:424-9. [DOI: 10.1016/j.clinbiochem.2009.10.057] [Citation(s) in RCA: 83] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2009] [Revised: 10/22/2009] [Accepted: 10/23/2009] [Indexed: 11/25/2022]
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Yoshino F, Lee MCI, Kobayashi K, Hayashi Y, Aruoma OI. Assessment of the effect of fermented papaya preparation on oxidative damage in spontaneously hypertensive rat brain using electron spin resonance (ESR) imaging and L-band ESR spectroscopy. J Funct Foods 2009. [DOI: 10.1016/j.jff.2009.09.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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