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El-Saadony MT, Saad AM, Korma SA, Salem HM, Abd El-Mageed TA, Alkafaas SS, Elsalahaty MI, Elkafas SS, Mosa WFA, Ahmed AE, Mathew BT, Albastaki NA, Alkuwaiti AA, El-Tarabily MK, AbuQamar SF, El-Tarabily KA, Ibrahim SA. Garlic bioactive substances and their therapeutic applications for improving human health: a comprehensive review. Front Immunol 2024; 15:1277074. [PMID: 38915405 PMCID: PMC11194342 DOI: 10.3389/fimmu.2024.1277074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2023] [Accepted: 05/06/2024] [Indexed: 06/26/2024] Open
Abstract
Garlic (Allium sativum L.) is a widely abundant spice, known for its aroma and pungent flavor. It contains several bioactive compounds and offers a wide range of health benefits to humans, including those pertaining to nutrition, physiology, and medicine. Therefore, garlic is considered as one of the most effective disease-preventive diets. Many in vitro and in vivo studies have reported the sulfur-containing compounds, allicin and ajoene, for their effective anticancer, anti-diabetic, anti-inflammatory, antioxidant, antimicrobial, immune-boosting, and cardioprotective properties. As a rich natural source of bioactive compounds, including polysaccharides, saponins, tannins, linalool, geraniol, phellandrene, β-phellandrene, ajoene, alliin, S-allyl-mercapto cysteine, and β-phellandrene, garlic has many therapeutic applications and may play a role in drug development against various human diseases. In the current review, garlic and its major bioactive components along with their biological function and mechanisms of action for their role in disease prevention and therapy are discussed.
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Affiliation(s)
- Mohamed T. El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Ahmed M. Saad
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
| | - Sameh A. Korma
- Department of Food Science, Faculty of Agriculture, Zagazig University, Zagazig, Egypt
- School of Food Science and Engineering, South China University of Technology, Guangzhou, China
| | - Heba M. Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Taia A. Abd El-Mageed
- Department of Soils and Water, Faculty of Agriculture, Fayoum University, Fayoum, Egypt
| | - Samar Sami Alkafaas
- Molecular Cell Biology Unit, Division of Biochemistry, Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
| | - Mohamed I. Elsalahaty
- Biochemistry Division, Department of Chemistry, Faculty of Science, Tanta University, Tanta, Egypt
| | - Sara Samy Elkafas
- Production Engineering and Mechanical Design Department, Faculty of Engineering, Menofia University, Menofia, Egypt
- Faculty of Control System and Robotics, Information Technologies, Mechanics and Optics (ITMO) University, Saint-Petersburg, Russia
| | - Walid F. A. Mosa
- Plant Production Department (Horticulture-Pomology), Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, Egypt
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, Abha, Saudi Arabia
| | - Betty T. Mathew
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Noor A. Albastaki
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Aysha A. Alkuwaiti
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | | | - Synan F. AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
| | - Khaled A. El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, United Arab Emirates
- Harry Butler Institute, Murdoch University, Perth, WA, Australia
| | - Salam A. Ibrahim
- Food Microbiology and Biotechnology Laboratory, Food and Nutritional Science Program, North Carolina A&T State University, Greensboro, NC, United States
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D’Andrea P, Giampieri F, Battino M. Nutritional Modulation of Hepcidin in the Treatment of Various Anemic States. Nutrients 2023; 15:5081. [PMID: 38140340 PMCID: PMC10745534 DOI: 10.3390/nu15245081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/28/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Twenty years after its discovery, hepcidin is still considered the main regulator of iron homeostasis in humans. The increase in hepcidin expression drastically blocks the flow of iron, which can come from one's diet, from iron stores, and from erythrophagocytosis. Many anemic conditions are caused by non-physiologic increases in hepcidin. The sequestration of iron in the intestine and in other tissues poses worrying premises in view of discoveries about the mechanisms of ferroptosis. The nutritional treatment of these anemic states cannot ignore the nutritional modulation of hepcidin, in addition to the bioavailability of iron. This work aims to describe and summarize the few findings about the role of hepcidin in anemic diseases and ferroptosis, as well as the modulation of hepcidin levels by diet and nutrients.
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Affiliation(s)
- Patrizia D’Andrea
- Department of Clinical Sciences, Polytechnic University of Marche, 60131 Ancona, Italy;
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
| | - Francesca Giampieri
- Department of Clinical Sciences, Polytechnic University of Marche, 60131 Ancona, Italy;
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
| | - Maurizio Battino
- Department of Clinical Sciences, Polytechnic University of Marche, 60131 Ancona, Italy;
- Research Group on Foods, Nutritional Biochemistry and Health, Universidad Europea del Atlántico, Isabel Torres 21, 39011 Santander, Spain;
- International Joint Research Laboratory of Intelligent Agriculture and Agri-Products Processing, Jiangsu University, Zhenjiang 212013, China
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Nowosad K, Sujka M, Wyrostek J. Preparation of yeast flakes enriched with iron and vitamin
B
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using a pulsed electric field technology. J FOOD PROCESS ENG 2022. [DOI: 10.1111/jfpe.14245] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Karolina Nowosad
- Department of Biotechnology, Microbiology and Human Nutrition, Faculty of Food Sciences and Biotechnology University of Life Sciences in Lublin Lublin Poland
| | - Monika Sujka
- Department of Analysis and Evaluation of Food Quality, Faculty of Food Sciences and Biotechnology University of Life Sciences in Lublin Lublin Poland
| | - Jakub Wyrostek
- Department of Analysis and Evaluation of Food Quality, Faculty of Food Sciences and Biotechnology University of Life Sciences in Lublin Lublin Poland
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Promising hepatoprotective effects of lycopene in different liver diseases. Life Sci 2022; 310:121131. [DOI: 10.1016/j.lfs.2022.121131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/13/2022] [Accepted: 10/23/2022] [Indexed: 11/07/2022]
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Ozma MA, Abbasi A, Ahangarzadeh Rezaee M, Hosseini H, Hosseinzadeh N, Sabahi S, Noori SMA, Sepordeh S, Khodadadi E, Lahouty M, Kafil HS. A Critical Review on the Nutritional and Medicinal Profiles of Garlic’s ( Allium sativum L.) Bioactive Compounds. FOOD REVIEWS INTERNATIONAL 2022. [DOI: 10.1080/87559129.2022.2100417] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- Mahdi Asghari Ozma
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
- Department of Medical Bacteriology and Virology, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amin Abbasi
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Hedayat Hosseini
- Department of Food Science and Technology, National Nutrition and Food Technology Research Institute, Faculty of Nutrition Science and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Negin Hosseinzadeh
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sahar Sabahi
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Seyyed Mohammad Ali Noori
- Department of Nutrition, School of Allied Medical Sciences, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
- Toxicology Research Center, Medical Basic Sciences Research Institute, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Sama Sepordeh
- Department of Food Science and Technology, Faculty of Nutrition & Food Sciences, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ehsaneh Khodadadi
- Material Science and Engineering, Department of Chemistry and Biochemistry, University of Arkansas—Fayetteville, Fayetteville, AR, USA
| | - Masoud Lahouty
- Department of Microbiology, Faculty of Medicine, Urmia University of Medical Sciences, Urmia, Iran
| | - Hossein Samadi Kafil
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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An overview of organosulfur compounds from Allium spp.: From processing and preservation to evaluation of their bioavailability, antimicrobial, and anti-inflammatory properties. Food Chem 2019; 276:680-691. [DOI: 10.1016/j.foodchem.2018.10.068] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/11/2018] [Accepted: 10/12/2018] [Indexed: 01/01/2023]
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El-Sheikh AA, Ameen SH, AbdEl-Fatah SS. Ameliorating Iron Overload in Intestinal Tissue of Adult Male Rats: Quercetin vs Deferoxamine. J Toxicol 2018; 2018:8023840. [PMID: 30584425 PMCID: PMC6280249 DOI: 10.1155/2018/8023840] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2018] [Revised: 10/03/2018] [Accepted: 10/09/2018] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE The aim of our study is to compare the role of the new natural alternative (Quercetin) with the current iron-chelation therapy (Deferoxamine (DFO)) in the effect of iron overload on small intestinal tissues and to investigate the possible underlying molecular mechanisms of such toxicity. METHODS Forty-two adult male albino rats were divided into six groups: control groups, DFO, Quercetin, iron overload, iron overload+DFO, and iron overload+Quercetin groups. Animals received daily intraperitoneal injection of Deferoxamine (125 mg /kg), Quercetin (10 mg/kg), and ferric dextran (200 mg/kg) for 2 weeks. RESULTS Iron overloaded group showed significant increase in serum iron, total iron binding capacity (TIBC), transferrin saturation percentage (TS %) hepcidin (HEPC), serum ferritin, nontransferrin bound iron (NTBI), and small intestinal tissues iron levels. Iron overload significantly increased the serum oxidative stress indicator (MDA) and reduced serum total antioxidant capacity (TAC). On the other hand, iron overload increased IL6 and reduced IL10 in small intestinal tissues reflecting inflammatory condition and increased caspase 3 reactivity indicating apoptosis and increased iNOs expressing cell indicting oxidative stress especially in ileum. In addition, it induced small intestinal tissues pathological alterations. The treatment with Quercetin showed nonsignificant differences as compared to treatment with DFO that chelated the serum and tissue iron and improved the oxidative stress and reduced tissue IL6 and increased IL10 and decreased caspase 3 and iNOs expressing cells in small intestinal tissues. Moreover, it ameliorated the iron overload induced pathological alterations. CONCLUSION Our study showed the potential role of Quercetin as iron chelator like DFO in case of iron overload induced small intestinal toxicity in adult rats because of its serum and tissue iron chelation, improvement of serum, and small intestinal oxidative stress, ameliorating iron induced intestinal inflammation, apoptosis, and histopathological alterations.
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Affiliation(s)
- Arwa A. El-Sheikh
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Zagazig University, Egypt
| | - Shimaa Hamed Ameen
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Zagazig University, Egypt
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Ikeda M, Ishima Y, Kinoshita R, Chuang VTG, Tasaka N, Matsuo N, Watanabe H, Shimizu T, Ishida T, Otagiri M, Maruyama T. A novel S-sulfhydrated human serum albumin preparation suppresses melanin synthesis. Redox Biol 2017; 14:354-360. [PMID: 29040960 PMCID: PMC5975211 DOI: 10.1016/j.redox.2017.10.007] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 10/06/2017] [Accepted: 10/10/2017] [Indexed: 11/25/2022] Open
Abstract
Products of ultraviolet (UV) irradiation such as reactive oxygen species (ROS) and nitric oxide (NO) stimulate melanin synthesis. Reactive sulfur species (RSS) have been shown to have strong ROS and NO scavenging effects. However, the instability and low retention of RSS limit their use as inhibitors of melanin synthesis. The free thiol at Cys34 on human serum albumin (HSA) is highly stable, has a long retention and possess a high reactivity for RSS. We report herein on the development of an HSA based RSS delivery system. Sulfane sulfur derivatives released from sodium polysulfides (Na2Sn) react readily with HSA. An assay for estimating the elimination of sulfide from polysulfide showed that almost all of the sulfur released from Na2Sn bound to HSA. The Na2Sn-treated HSA was found to efficiently scavenge ROS and NO produced from chemical reagents. The Na2Sn-treated HSA was also found to inhibit melanin synthesis in B16 melanoma cells and this inhibition was independent of the number of added sulfur atoms. In B16 melanoma cells, the Na2Sn-treated HSA also inhibited the levels of ROS and NO induced by UV radiation. Finally, the Na2Sn-treated HSA inhibited melanin synthesis from L-DOPA and mushroom tyrosinase and suppressed the extent of aggregation of melanin pigments. These data suggest that Na2Sn-treated HSA inhibits tyrosinase activity for melanin synthesis via two pathways; by directly inhibiting ROS signaling and by scavenging NO. These findings indicate that Na2Sn-treated HSA has potential to be an attractive and effective candidate for use as a skin whitening agent. We developed of an Reactive sulfur species delivery system based on human serum albumin. The novel polysulfides-added albumin could inhibit melanin synthesis in melanocyte. The polysulfides-added albumin also inhibited the levels of ROS and NO induced by UV radiation. The polysulfides-added albumin has the potential to be an attractive candidate for a whitening agent.
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Affiliation(s)
- Mayumi Ikeda
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan
| | - Yu Ishima
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan.
| | - Ryo Kinoshita
- Department of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Victor T G Chuang
- School of Pharmacy, Faculty of Health Sciences, Curtin University, GPO Box U1987, Perth 6845, Western Australia
| | - Nanami Tasaka
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan
| | - Nana Matsuo
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan
| | - Hiroshi Watanabe
- Department of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan
| | - Taro Shimizu
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan
| | - Tatsuhiro Ishida
- Department of Pharmacokinetics and Biopharmaceutics, Institute of Biomedical Sciences, Tokushima University, 1-78-1, Sho-machi, Tokushima 770-8505, Japan
| | - Masaki Otagiri
- Faculty of Pharmaceutical Sciences, Sojo University, 4-22-1 Ikeda, Kumamoto 860-0082, Japan
| | - Toru Maruyama
- Department of Biopharmaceutics, Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan.
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Aziza SAH, Azab MES, El-Shall SK. Ameliorating role of rutin on oxidative stress induced by iron overload in hepatic tissue of rats. Pak J Biol Sci 2015; 17:964-77. [PMID: 26031015 DOI: 10.3923/pjbs.2014.964.977] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Iron is an essential element that participates in several metabolic activities of cells; however, excess iron is a major cause of iron-induced oxidative stress and several human diseases. Natural flavonoids, as rutin, are well-known antioxidants and could be efficient protective agents. Therefore, the present study was undertaken to evaluate the protective influence of rutin supplementation to improve rat antioxidant systems against IOL-induced hepatic oxidative stress. Sixty male albino rats were randomly divided to three equal groups. The first group, the control, the second group, iron overload group, the third group was used as iron overload+rutin group. Rats received six doses of ferric hydroxide polymaltose (100 mg kg(-1) b.wt.) as one dose every two days, by intraperitoneal injections (IP) and administrated rutin (50 mg kg(-1) b.wt.) as one daily oral dose until the sacrificed day. Blood samples for serum separation and liver tissue specimens were collected three times, after three, four and five weeks from the onset of the experiment. Serum iron profiles total iron, Total Iron Binding Capacity (TIBC), Unsaturated Iron Binding Capacity (UIBC), transferrin (Tf) and Transferrin Saturation% (TS%)}, ferritin, albumin, total Protein, total cholesterol, triacylglycerols levels and aspartate aminotransferase (AST) and alanine aminotransferase (ALT) activities were determined. Moreover, total iron in the liver, L-malondialdehyde (L-MDA), glutathione (GSH), Nitric Oxide (NO) and Total Nucleic Acid (TNA) levels and glutathione peroxidase (GPx), catalase (CAT) and superoxide dismutase (SOD) activities were also determined. The obtained results revealed that, iron overload (IOL) resulted in significant increase in serum iron, TIBC, Tf, TS% and ferritin levels and AST and ALT activities and also increased liver iron, L-MDA and NO levels. Meanwhile, it decreased serum UIBC, total cholesterol, triacylglycerols, albumin, total protein and liver GSH, TNA levels and Gpx, CAT and SOD activities when compared with the control group. Rutin administration to iron-overloaded rats resulted in significant decrease in serum total iron, TIBC, Tf, TS%, ferritin levels and AST and ALT activities and liver total iron, L-MDA and NO levels with significant increases in serum UIBC, albumin, total protein and total cholesterol levels and in liver GSH, CAT and SOD activities compared with the IOL group. This study provides in vivo evidence that rutin administration can improve the antioxidant defense systems against IOL-induced hepatic oxidative stress in rats. This protective effect in liver of iron-loaded rats may be due to both antioxidant and metal chelation activities.
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Wu CC, Chang WL, Lu CH, Chang YP, Wang JJ, Hsieh SL. Effects of extracts from Gynura bicolor (Roxb. & Willd.) DC. on iron bioavailability in rats. J Food Drug Anal 2015; 23:425-432. [PMID: 28911699 PMCID: PMC9351804 DOI: 10.1016/j.jfda.2014.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Revised: 08/19/2014] [Accepted: 11/24/2014] [Indexed: 11/24/2022] Open
Abstract
Gynura bicolor (Roxb. & Willd.) DC. is widely distributed in certain areas of Asia and is very popular in vegetarian cuisine in Taiwan. This study investigates the effects of G. bicolor extracts with different polarities of 80 mg/kg body weight (BW) G. bicolor alcohol extract, 80 mg/kg BW G. bicolor water extract, and 80 mg/kg BW G. bicolor ether extract on Fe bioavailability using the hemoglobin repletion efficiency assay. Wistar rats were assigned to five groups: a group receiving an iron-deficient (ID) diet; a group receiving an ID diet supplemented with ferrous sulfate (20 mg Fe/kg BW); and three groups receiving ID diets supplemented with ferrous sulfate and one of G. bicolor alcohol extract, G. bicolor water extract, or G. bicolor water extract. The results indicated that the levels of hemoglobin, serum iron, serum ferritin, liver ferritin, hemoglobin regeneration efficiency, relative biological value, and hepcidin all were significantly higher than those of the ID diet group. Besides, the iron transporter divalent metal transporter-1 was significantly reduced, but iron release protein expression of ferroportin was significantly increased. It was concluded that G. bicolor extracts may promote iron bioavailability and regulate the expressions of divalent metal transporter-1 and ferroportin.
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Affiliation(s)
- Chih-Chung Wu
- Department of Nutrition and Health Science, Chang Jung Christian University, Tainan, Taiwan
| | - Wei-Lin Chang
- Department of Seafood Science, National Kaohsiung Marine University, Kaohsiung, Taiwan
| | - Chih-Huei Lu
- Department of Physical Medicine and Rehabilitation, Fooyin University Hospital, Pingtung, Taiwan
| | - Yueh-Ping Chang
- Department of Nutrition and Health Science, Fooyin University, Kaohsiung, Taiwan
| | - Jyh-Jye Wang
- Department of Nutrition and Health Science, Fooyin University, Kaohsiung, Taiwan
| | - Shu-Ling Hsieh
- Department of Seafood Science, National Kaohsiung Marine University, Kaohsiung, Taiwan.
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Ali Hussei S, El-Said Az M, Kamal El-S S. Protective Effect of Curcumin on Antioxidant Defense System and Oxidative Stress in Liver Tissue of Iron Overloading Rats. ACTA ACUST UNITED AC 2013. [DOI: 10.3923/ajcn.2014.1.17] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Auerbach BJ, Reynolds SJ, Lamorde M, Merry C, Kukunda-Byobona C, Ocama P, Semeere AS, Ndyanabo A, Boaz I, Kiggundu V, Nalugoda F, Gray RH, Wawer MJ, Thomas DL, Kirk GD, Quinn TC, Stabinski L. Traditional herbal medicine use associated with liver fibrosis in rural Rakai, Uganda. PLoS One 2012; 7:e41737. [PMID: 23209545 PMCID: PMC3507824 DOI: 10.1371/journal.pone.0041737] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2011] [Accepted: 06/28/2012] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Traditional herbal medicines are commonly used in sub-Saharan Africa and some herbs are known to be hepatotoxic. However little is known about the effect of herbal medicines on liver disease in sub-Saharan Africa. METHODS 500 HIV-infected participants in a rural HIV care program in Rakai, Uganda, were frequency matched to 500 HIV-uninfected participants. Participants were asked about traditional herbal medicine use and assessed for other potential risk factors for liver disease. All participants underwent transient elastography (FibroScan®) to quantify liver fibrosis. The association between herb use and significant liver fibrosis was measured with adjusted prevalence risk ratios (adjPRR) and 95% confidence intervals (CI) using modified Poisson multivariable logistic regression. RESULTS 19 unique herbs from 13 plant families were used by 42/1000 of all participants, including 9/500 HIV-infected participants. The three most-used plant families were Asteraceae, Fabaceae, and Lamiaceae. Among all participants, use of any herb (adjPRR = 2.2, 95% CI 1.3-3.5, p = 0.002), herbs from the Asteraceae family (adjPRR = 5.0, 95% CI 2.9-8.7, p<0.001), and herbs from the Lamiaceae family (adjPRR = 3.4, 95% CI 1.2-9.2, p = 0.017) were associated with significant liver fibrosis. Among HIV infected participants, use of any herb (adjPRR = 2.3, 95% CI 1.0-5.0, p = 0.044) and use of herbs from the Asteraceae family (adjPRR = 5.0, 95% CI 1.7-14.7, p = 0.004) were associated with increased liver fibrosis. CONCLUSIONS Traditional herbal medicine use was independently associated with a substantial increase in significant liver fibrosis in both HIV-infected and HIV-uninfected study participants. Pharmacokinetic and prospective clinical studies are needed to inform herb safety recommendations in sub-Saharan Africa. Counseling about herb use should be part of routine health counseling and counseling of HIV-infected persons in Uganda.
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Affiliation(s)
- Brandon J Auerbach
- Infectious Diseases Institute, College of Health Sciences, Makerere University, Kampala, Uganda.
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Protective effects of crude garlic by reducing iron-mediated oxidative stress, proliferation and autophagy in rats. J Mol Histol 2010; 41:233-45. [PMID: 20700633 DOI: 10.1007/s10735-010-9283-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2010] [Accepted: 07/19/2010] [Indexed: 01/04/2023]
Abstract
The impact of garlic, known for its antioxidant activities, on iron metabolism has been poorly investigated. The aim of this work was to study the effect of crude garlic pre-treatment on iron-mediated lipid peroxidation, proliferation and autophagy for 5 weeks. Rats were fed distilled water or garlic solution (1 g/kg body weight) by gavage for the first 3 weeks as pre-treatment and received a basal diet supplemented or not with ferrous sulfate (650 mg Fe/kg diet) for the last 2 weeks of treatment. Immunohistochemistry labeling and ultrastuctural observations were used to evaluate the iron deleterious effects in the liver. Iron supplementation induced cell proliferation predominantly in non parenchymal cells comparing to hepatocytes, but not apoptosis. In addition, iron was accumulated within the hepatic lysosomes where it triggers autophagy as evidenced by the formation of autophagic vesicles detected by LC3-II staining. It also induced morphologic alterations of the mitochondrial membranes due to increased lipid peroxidation as shown by elevated iron and malondialdehyde concentrations in serum and tissues. Garlic pre-treatment reduced iron-catalyzed lipid peroxidation by decreasing the malondialdehyde level in the liver and colon and by enhancing the status of antioxidants. In addition, garlic reduced the iron-mediated cell proliferation and autophagy by lowering iron storage in the liver and protected mitochondrial membrane. Based on these results, garlic treatment significantly prevented iron-induced oxidative stress, proliferation and autophagy at both biochemical and histological levels due to its potent free radical scavenging and antioxidant properties.
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