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Farzanegi P, Abbaszadeh H, Farokhi F, Rahmati-Ahmadabad S, Hosseini SA, Ahmad A, Mazandarani MR, Rezaei I, Shokrie M, Vizvari E, Alinejad H, Azarbayjani MA. Attenuated Renal and Hepatic Cells Apoptosis Following Swimming Exercise Supplemented with Garlic Extract in Old Rats. Clin Interv Aging 2020; 15:1409-1418. [PMID: 32884250 PMCID: PMC7443438 DOI: 10.2147/cia.s250321] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Accepted: 07/08/2020] [Indexed: 12/26/2022] Open
Abstract
Background/Objective One of the problems associated with aging is the development of apoptosis in different tissues. There is evidence that physical activity and herbal remedies can be useful. This study aimed to determine the effect of swimming training (SW) alone or combined with garlic extract on renal and hepatic cells apoptosis, as wellas on the liver and kidney function biomarkers in old rats. Methods A total of 35 old rats (aged 40–50 weeks) were randomly divided into 5 groups including control, saline (S), exercise training (ET), garlic (G) and exercise training+ garlic (ET.G) groups. Exercise was started for 5 min/day and then gradually extended to 60 min/day and the G and E+G groups received 1 mL/kg of this mixture by gavage. Twenty-four hours after completion of 8 weeks training, liver, kidney and blood samples were collected for histopathological examinations, liver and kidney functions, oxidative stress and apoptosis biomarkers. Results The tissue sections of the SW exercise, control and saline groups showed some mild histopathological changes in liver and kidney, while SW supplemented with garlic prevented these damages. The SW alone or supplemented with garlic significantly increased the Bcl-2 value and declined the BAX level in both liver and kidney (p<0.05). The activities of catalase (CAT) and superoxide dismutase (SOD) in the liver and kidney of the control and saline groups were lower than those in E, G and G+E groups, while a significant increase for malondialdehyde (MDA) value was found in the control and saline groups. Furthermore, the E+G significantly declined the activity of hepatic (ALT, AST and ALP) and renal damage (uric acid, urea and creatinine) biomarkers compared to the control and saline groups (p<0.05). Discussion Swimming exercise supplemented with garlic extract not only improves antioxidant capacity but also declines oxidative damages and apoptosis through reducing Bax levels and enhancing Bcl-2 value.
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Affiliation(s)
- Parvin Farzanegi
- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
| | - Hajar Abbaszadeh
- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
| | - Farzaneh Farokhi
- Department of Biology, Faculty of Basic Sciences, Sari Branch, Islamic Azad University, Sari, Iran
| | | | - Seyed Ali Hosseini
- Department of Sport Physiology, Marvdasht Branch, Islamic Azad University, Marvdasht, Iran
| | - Abdi Ahmad
- Department of Physical Education, Faculty of Physical Education, Ayatollah Amoli Branch, Islamic Azad University, Amol, Iran
| | | | - Iraj Rezaei
- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
| | - Mohammad Shokrie
- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
| | - Exir Vizvari
- Department of Exercise Physiology, Faculty of Humanities, Shams Institute of Higher Education, Gonbad Kavous, Iran
| | - Hadi Alinejad
- Department of Exercise Physiology, Sari Branch, Islamic Azad University, Sari, Iran
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Cost Effective Use of a Thiosulfinate-Enriched Allium sativum Extract in Combination with Chemotherapy in Colon Cancer. Int J Mol Sci 2020; 21:ijms21082766. [PMID: 32316312 PMCID: PMC7216288 DOI: 10.3390/ijms21082766] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2020] [Revised: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 02/07/2023] Open
Abstract
In this work, we sought to investigate the effects of a thiosulfinate-enriched garlic extract, co-administered with 5-fluorouracil (5-FU) or oxaliplatin chemotherapy, on the viability of colon cancer cells (Caco-2 and HT-29). We also addressed the economic feasibility of a new combined treatment of this thiosulfinate-enriched garlic extract, with oxaliplatin that could reduce the dosage and costs of a monotherapy. The thiosulfinate-enriched garlic extract not only enhanced the impact of 5-FU and oxaliplatin (500 µM) in decreasing Caco-2 and HT-29 viability, but also showed a higher effect than standard 5-FU and oxaliplatin chemotherapy as anti-cancer agents. These results provided evidences for the combination of lyophilized garlic extract and 5-FU or oxaliplatin as a novel chemotherapy regimen in colon cancer cells that may also reduce the clinical therapy costs.
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Poljsak B, Milisav I. The Role of Antioxidants in Cancer, Friends or Foes? Curr Pharm Des 2019; 24:5234-5244. [PMID: 30674247 DOI: 10.2174/1381612825666190123112647] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 01/18/2019] [Indexed: 02/07/2023]
Abstract
Consumption of dietary supplements by millions of people is increasing [1]. Between 64 to 81% of cancer patients and survivors use multivitamin supplements after the cancer diagnosis [2]. The use of antioxidants during cancer therapy has been a hot topic in medical science for the last 20 years without clear answers and recommendations. It seems that antioxidants are able to I) decrease the cancer formation risk by quenching ROS that are involved in cancer initiation and progression and II) assist in survival of cancer/precancer cells once the malignant transformation already occurred. Antioxidants were shown to assist cancer initiation, interfere with cancer treatment by reducing its efficacy and patient survival, and vice versa, there are reports of beneficial antioxidant effect during the cancer treatment.
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Affiliation(s)
- B Poljsak
- Laboratory of Oxidative Stress Research, Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, SI-1000 Ljubljana, Slovenia
| | - I Milisav
- Laboratory of Oxidative Stress Research, Faculty of Health Sciences, University of Ljubljana, Zdravstvena pot 5, SI-1000 Ljubljana, Slovenia.,Faculty of Medicine, Institute of Pathophysiology, University of Ljubljana, Zaloška 4, 1000, Ljubljana, Slovenia
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Ferioli F, Giambanelli E, D'Alessandro V, D'Antuono LF. Comparison of two extraction methods (high pressure extraction vs. maceration) for the total and relative amount of hydrophilic and lipophilic organosulfur compounds in garlic cloves and stems. An application to the Italian ecotype "Aglio Rosso di Sulmona" (Sulmona Red Garlic). Food Chem 2019; 312:126086. [PMID: 31887623 DOI: 10.1016/j.foodchem.2019.126086] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Revised: 12/17/2019] [Accepted: 12/18/2019] [Indexed: 11/29/2022]
Abstract
Garlic-based extracts have been surveyed as healthy promoting supplements in relation to their content of organosulfur compounds. The present study investigated the effect of high pressure extraction and maceration, and four extraction solvents (three hydroalcoholic mixtures and sunflower oil) on the total and relative amounts of the main organosulfur compounds of clove and stem extracts of the Italian ecotype "Aglio Rosso di Sulmona" (Sulmona Red Garlic). Organosulfur compounds were more abundant in cloves than in stem extracts. High pressure extraction led to higher recoveries of hydrophilic compounds than maceration whereas the highest amounts of lipophilic compounds were detected in macerates. A higher alliin-to-allicin conversion ratio was detected in clove, in comparison to stem extracts. Sunflower oil fostered allicin decay to compounds such as ajoenes, vinyldithiins and sulfides. The use of specific extraction methods may lead to standardised grade extracts, both from native raw materials and by-products.
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Affiliation(s)
- Federico Ferioli
- Department of Agricultural and Food Sciences (DISTAL), Food Science University Campus, University of Bologna, Piazza Goidanich 60, 47521 Cesena (FC), Italy.
| | - Elisa Giambanelli
- Department of Analytical Chemistry, Faculty of Sciences, University of Granada, C/Fuentenueva s/n, 18071, Granada, Spain
| | - Vittorio D'Alessandro
- Department of Agricultural and Food Sciences (DISTAL), Food Science University Campus, University of Bologna, Piazza Goidanich 60, 47521 Cesena (FC), Italy
| | - L Filippo D'Antuono
- Department of Agricultural and Food Sciences (DISTAL), Food Science University Campus, University of Bologna, Piazza Goidanich 60, 47521 Cesena (FC), Italy
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Natural Hydrogen Sulfide Donors from Allium sp. as a Nutraceutical Approach in Type 2 Diabetes Prevention and Therapy. Nutrients 2019; 11:nu11071581. [PMID: 31336965 PMCID: PMC6682899 DOI: 10.3390/nu11071581] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2019] [Revised: 06/30/2019] [Accepted: 07/10/2019] [Indexed: 12/30/2022] Open
Abstract
Type 2 diabetes mellitus (DM) is a socially relevant chronic disease with high prevalence worldwide. DM may lead to several vascular, macrovascular, and microvascular complications (cerebrovascular, coronary artery, and peripheral arterial diseases, retinopathy, neuropathy, and nephropathy), often accelerating the progression of atherosclerosis. Dietary therapy is generally considered to be the first step in the treatment of diabetic patients. Among the current therapeutic options, such as insulin therapy and hypoglycemic drugs, in recent years, attention has been shifting to the effects and properties-that are still not completely known-of medicinal plants as valid and inexpensive therapeutic supports with limited side effects. In this review, we report the relevant effects of medicinal plants and nutraceuticals in diabetes. In particular, we paid attention to the organosulfur compounds (OSCs) present in plant extracts that due to their antioxidant, hypoglycemic, anti-inflammatory, and immunomodulatory effects, can contribute as cardioprotective agents in type 2 DM. OSCs derived from garlic (Allium sp.), due to their properties, can represent a valuable support to the diet in type 2 DM, as outlined in this manuscript based on both in vitro and in vivo studies. Moreover, a relevant characteristic of garlic OSCs is their ability to produce the gasotransmitter H2S, and many of their effects can be explained by this property. Indeed, in recent years, several studies have demonstrated the relevant effects of endogenous and exogenous H2S in human DM, including by in vitro and in vivo experiments and clinical trials; therefore, here, we summarize the effects and the underlying molecular mechanisms of H2S and natural H2S donors.
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Bhaumik I, Pal K, Debnath U, Karmakar P, Jana K, Misra AK. Natural product inspired allicin analogs as novel anti-cancer agents. Bioorg Chem 2019; 86:259-272. [PMID: 30731359 DOI: 10.1016/j.bioorg.2019.01.057] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/11/2019] [Accepted: 01/25/2019] [Indexed: 12/13/2022]
Abstract
A series of novel analogs of Allicin (S-allyl prop-2-ene-1-sulfinothioate) present in garlic has been synthesized in high yield. Synthesized 23 compounds were evaluated against different breast cancer cells (MDA-MB-468 and MCF-7) and non-cancer cells (WI38). Four compounds (3f, 3h, 3m and 3u) showed significant cytotoxicity against cancer cells whereas nontoxic to the normal cells. Based on the LD50 values and selectivity index (SI), compound 3h (S-p-methoxybenzyl (p-methoxyphenyl)methanesulfinothioate) was considered as most promising anticancer agent amongst the above three compounds. Further bio-chemical studies confirmed that compound 3h promotes ROS generation, changes in mitochondrial permeability transition and induced caspase mediated DNA damage and apoptosis.
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Affiliation(s)
- Ishani Bhaumik
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata 700054, India
| | - Kunal Pal
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata 700054, India
| | - Utsab Debnath
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata 700054, India
| | - Parimal Karmakar
- Department of Life Science and Biotechnology, Jadavpur University, Kolkata 700 032, India
| | - Kuladip Jana
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata 700054, India
| | - Anup Kumar Misra
- Bose Institute, Division of Molecular Medicine, P-1/12, C.I.T. Scheme VII M, Kolkata 700054, India.
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Moutia M, Habti N, Badou A. In Vitro and In Vivo Immunomodulator Activities of Allium sativum L. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2018; 2018:4984659. [PMID: 30008785 PMCID: PMC6020507 DOI: 10.1155/2018/4984659] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/04/2018] [Accepted: 05/08/2018] [Indexed: 12/14/2022]
Abstract
Allium Sativum L. (garlic), which is a species of the onion family, Alliaceae, is one of the most used plants in traditional medicine worldwide. More than 200 chemicals with diverse properties have been found in garlic extracts. Several garlic compounds were suggested to be efficient in improving various pathologies including certain types of cancer. This paper is an overview of data about garlic biological activities in vitro and/or in vivo on immune cells, on the development of certain inflammatory diseases, and on different types of carcinomas and sarcomas. Garlic and its compounds were found to have notable antioxidant properties. Garlic therapeutic potential has also been studied in several inflammatory diseases such as allergic-airway inflammation, inflammatory bowel disease, arthritic rheumatism, and atherosclerosis. Furthermore, garlic was found to be able to maintain the immune system homeostasis and to exhibit beneficial effects on immune cells especially through regulation of proliferation and cytokine gene expression. Finally, we will show how major garlic components such as sulfur compounds and polyphenols might be responsible for the garlic biological activities revealed in different situations. If identified, specific compounds present in garlic could potentially be used in therapy.
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Affiliation(s)
- Mouna Moutia
- Laboratory of Hematology and Cellular and Genetic Engineering, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
- Laboratory of Experimental Medicine and Biotechnology, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Norddine Habti
- Laboratory of Hematology and Cellular and Genetic Engineering, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
- Laboratory of Experimental Medicine and Biotechnology, Faculty of Medicine and Pharmacy, Hassan II University, Casablanca, Morocco
| | - Abdallah Badou
- Cellular and Molecular Pathology Laboratory, Faculty of Medicine and Pharmacy, Hassan II University, 19 Rue Tarik Ibnou Ziad, B.P. 9154 Casablanca, Morocco
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Ciocci M, Iorio E, Carotenuto F, Khashoggi HA, Nanni F, Melino S. H2S-releasing nanoemulsions: a new formulation to inhibit tumor cells proliferation and improve tissue repair. Oncotarget 2018; 7:84338-84358. [PMID: 27741519 PMCID: PMC5356665 DOI: 10.18632/oncotarget.12609] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2016] [Accepted: 10/07/2016] [Indexed: 12/16/2022] Open
Abstract
The improvement of solubility and/or dissolution rate of poorly soluble natural compounds is an ideal strategy to make them optimal candidates as new potential drugs. Accordingly, the allyl sulfur compounds and omega-3 fatty acids are natural hydrophobic compounds that exhibit two important combined properties: cardiovascular protection and antitumor activity. Here, we have synthesized and characterized a novel formulation of diallyl disulfide (DADS) and α-linolenic acid (ALA) as protein-nanoemulsions (BAD-NEs), using ultrasounds. BAD-NEs are stable over time at room temperature and show antioxidant and radical scavenging property. These NEs are also optimal H2S slow-release donors and show a significant anti-proliferative effect on different human cancer cell lines: MCF-7 breast cancer and HuT 78 T-cell lymphoma cells. BAD-NEs are able to regulate the ERK1/2 pathway, inducing apoptosis and cell cycle arrest at the G0/G1 phase. We have also investigated their effect on cell proliferation of human adult stem/progenitor cells. Interestingly, BAD-NEs are able to improve the Lin- Sca1+ human cardiac progenitor cells (hCPC) proliferation. This stem cell growth stimulation is combined with the expression and activation of proteins involved in tissue-repair, such as P-AKT, α-sma and connexin 43. Altogether, our results suggest that these antioxidant nanoemulsions might have potential application in selective cancer therapy and for promoting the muscle tissue repair.
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Affiliation(s)
- Matteo Ciocci
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Egidio Iorio
- Department of Cell Biology and Neurosciences, Istituto Superiore di Sanità, Rome, Italy
| | - Felicia Carotenuto
- Department of Clinical Sciences and Translational Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Haneen A Khashoggi
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Rome, Italy
| | - Francesca Nanni
- Department of Industrial Engineering, University of Rome Tor Vergata, Rome, Italy
| | - Sonia Melino
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Rome, Italy
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da Silva FD, Pinz MP, de Oliveira RL, Rodrigues KC, Ianiski FR, Bassaco MM, Silveira CC, Jesse CR, Roman SS, Wilhelm EA, Luchese C. Organosulfur compound protects against memory decline induced by scopolamine through modulation of oxidative stress and Na +/K + ATPase activity in mice. Metab Brain Dis 2017; 32:1819-1828. [PMID: 28710722 DOI: 10.1007/s11011-017-0067-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Accepted: 07/06/2017] [Indexed: 01/01/2023]
Abstract
The present study investigated the possible effect of BMMS in protecting against memory impairment in an Alzheimer's disease model induced by scopolamine in mice. Another objective was to evaluate the involvement of oxidative stress and Na+/K+ ATPase activity in cerebral cortex and hippocampus of mice. Male Swiss mice were divided into four groups: groups I and III received canola oil (10 ml/kg, intragastrically (i.g.)), while groups II and IV received BMMS (10 mg/kg, i.g.). Thirty minutes after treatments, groups III and IV received scopolamine (1 mg/kg, intraperitoneal (i.p.)), while groups I and II received saline (5 ml/kg, i.p.). Behavioral tests were performed thirty minutes after scopolamine or saline injection. Cerebral cortex and hippocampus were removed to determine the thiobarbituric acid reactive species (TBARS) levels, non-protein thiols (NPSH) content, catalase (CAT) and Na+/K+ ATPase activities. The results showed that BMMS pretreatment protected against the reduction in alternation and latency time induced by scopolamine in the Y-maze test and step-down inhibitory avoidance, respectively. In the Barnes maze, the latency to find the escape box and the number of holes visited were attenuated by BMMS. Locomotor and exploratory activities were similar in all groups. BMMS pretreatment protected against the increase in the TBARS levels, NPSH content and CAT activity, as well as the inhibition on the Na+/K+ ATPase activity caused by scopolamine in the cerebral cortex. In the hippocampus, no significant difference was observed. In conclusion, the present study revealed that BMMS protected against the impairment of retrieval of short-term and long-term memories caused by scopolamine in mice. Moreover, antioxidant effect and protection on the Na+/K+ ATPase activity are involved in the effect of compound against memory impairment in AD model induced by scopolamine.
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Affiliation(s)
- Fernanda D da Silva
- Programa de Pós-Graduação em Nanociências, Centro de Ciências Tecnológicas, Centro Universitário Franciscano, Santa Maria, RS, CEP 97010-032, Brazil
| | - Mikaela P Pinz
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Pelotas, Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Renata L de Oliveira
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Pelotas, Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Karline C Rodrigues
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Pelotas, Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil
| | - Francine R Ianiski
- Programa de Pós-Graduação em Nanociências, Centro de Ciências Tecnológicas, Centro Universitário Franciscano, Santa Maria, RS, CEP 97010-032, Brazil
| | - Mariana M Bassaco
- Programa de Pós-Graduação em Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, CEP 97105-900, Brazil
| | - Claudio C Silveira
- Programa de Pós-Graduação em Química, Centro de Ciências Naturais e Exatas, Universidade Federal de Santa Maria, Santa Maria, RS, CEP 97105-900, Brazil
| | - Cristiano R Jesse
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Itaqui, RS, CEP 97650-000, Brazil
| | - Silvane S Roman
- Universidade Regional Integrada, Campus Erechim, RS, CEP 99700-000, Brazil
| | - Ethel A Wilhelm
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Pelotas, Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil.
| | - Cristiane Luchese
- Programa de Pós-Graduação em Bioquímica e Bioprospecção, Laboratório de Pesquisa em Farmacologia Bioquímica (LaFarBio), Grupo de pesquisa em Neurobiotecnologia (GPN), Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Pelotas, Campus Capão do Leão, Pelotas, RS, CEP 96010-900, Brazil.
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Abstract
Epidemiological studies show that a high intake of anti-oxidant-rich foods is inversely related to cancer risk. While animal and cell cultures confirm the anticancer effects of antioxidants, intervention trials to determine their ability to reduce cancer risk have been inconclusive, although selenium and vitamin E reduced the risk of some forms of cancer, including prostate and colon cancer, and carotenoids have been shown to help reduce breast cancer risk. Cancer treatment by radiation and anticancer drugs reduces inherent antioxidants and induces oxidative stress, which increases with disease progression. Vitamins E and C have been shown to ameliorate adverse side effects associated with free radical damage to normal cells in cancer therapy, such as mucositis and fibrosis, and to reduce the recurrence of breast cancer. While clinical studies on the effect of anti-oxidants in modulating cancer treatment are limited in number and size, experimental studies show that antioxidant vitamins and some phytochemicals selectively induce apoptosis in cancer cells but not in normal cells and prevent angiogenesis and metastatic spread, suggesting a potential role for antioxidants as adjuvants in cancer therapy.
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Affiliation(s)
- Carmia Borek
- Department of Community Health and Family Medicine, Nutrition Infectious Disease Unit, Tufts University School of Medicine, Boston, Massachusetts 02111, USA.
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Fratianni F, Ombra MN, Cozzolino A, Riccardi R, Spigno P, Tremonte P, Coppola R, Nazzaro F. Phenolic constituents, antioxidant, antimicrobial and anti-proliferative activities of different endemic Italian varieties of garlic ( Allium sativum L.). J Funct Foods 2016. [DOI: 10.1016/j.jff.2015.12.019] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Suman S, Shukla Y. Diallyl Sulfide and Its Role in Chronic Diseases Prevention. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2016; 929:127-144. [PMID: 27771923 DOI: 10.1007/978-3-319-41342-6_6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Diallyl sulfide (C6H10S, DAS) is one of the novel natural organosulfur compounds, which is mostly obtained from the genus Allium plants. Numerous studies have revealed several unique properties of DAS in terms of its health-promoting effects. DAS has proved to be anticancer, antimicrobial, anti-angiogenic, and immunomodulatory like unique functions as demonstrated by the multiple investigations. Diallyl sulfide can also impede oxidative stress and chronic inflammation as suggested by the literature. Studies also explored that DAS could thwart the development of chronic diseases like cancer, neuronal, cardiovascular disease through modulating mechanistic pathways involved in pathogenesis. In this book chapter, we have attempted to give the comprehensive view on DAS about the physiochemical and biological properties, and its preventive role in chronic diseases with a mechanistic overview.
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Affiliation(s)
- Shankar Suman
- Food, Drug and Chemical Toxicology Division, CSIR-Indian Institute of Toxicology Research, 31, Vish Vigyan Bhawan, M.G. Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Yogeshwer Shukla
- Food, Drug and Chemical Toxicology Division, CSIR-Indian Institute of Toxicology Research, 31, Vish Vigyan Bhawan, M.G. Marg, Lucknow, 226001, Uttar Pradesh, India.
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Kim CS, Moon E, Choi SU, Kim SY, Lee KR, Kim KH. Cytotoxic and anti-inflammatory disulfide compounds from the fruiting bodies of Boletus pseudocalopus. J Antibiot (Tokyo) 2015; 68:414-6. [DOI: 10.1038/ja.2015.2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 12/05/2014] [Accepted: 12/22/2014] [Indexed: 11/09/2022]
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Nature curing cancer - review on structural modification studies with natural active compounds having anti-tumor efficiency. ACTA ACUST UNITED AC 2015. [PMID: 28626698 PMCID: PMC5466266 DOI: 10.1016/j.btre.2015.01.005] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Cancer treatment has raised many drugs and radiation therapies whose side-effects are visible. Ongoing research throughout the world for effective treatment mainly concentrates on methods either in the form of drugs or therapies against this lethal disease. However returning to ayurvedic roots enlightens the fact that nature has many efficient components with anti-cancerous, anti-proliferating and anti-angiogenesis effects. Evidences confirm the participation of plants extracts in synthesizing many medicines against already existing and even emerging diseases. Structure activity relationship (SAR) studies and structural modifications are helping in observing the basis of compounds characteristics to exhibit inhibitor's nature against carcinogenic agents by modifying parent compounds for creating an improved and potent compound. Many components are under clinical trials but most of them still need attention. In this review an attempt has been made to focus on the natural components gifted by nature and even included in our diet with their structures and sources that could be supportive in designing drug either by computational methods or by experimental methods.
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Bagul M, Kakumanu S, Wilson TA. Crude Garlic Extract Inhibits Cell Proliferation and Induces Cell Cycle Arrest and Apoptosis of Cancer Cells In Vitro. J Med Food 2015; 18:731-7. [PMID: 25608085 DOI: 10.1089/jmf.2014.0064] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Garlic and its lipid-based extracts have played an important medicinal role in humans for centuries that includes antimicrobial, hypoglycemic, and lipid-lowering properties. The present study was to investigate the effects of crude garlic extract (CGE) on the proliferation of human breast, prostate, hepatic, and colon cancer cell lines and mouse macrophageal cells, not previously studied. The human cancer cell lines, such as hepatic (Hep-G2), colon (Caco-2), prostate (PC-3), and breast (MCF-7), were propagated at 37°C; air/CO2 (95:5 v/v) using the ATCC-formulated RPMI-1640 Medium and 10% fetal bovine serum (FBS), while the mouse macrophage cell line (TIB-71) was propagated at 37°C; air/CO2 (95:5 v/v) using the ATCC-formulated DMEM and 10% FBS. All cells were plated at a density of ∼5000 cells/well. After overnight incubation, the cells were treated with 0.125, 0.25, 0.5, or 1 μg/mL of CGE an additional 72 h. Inhibition of cell proliferation of 80-90% was observed for Hep-G2, MCF-7, TIB-71, and PC-3 cells, but only 40-55% for the Caco-2 cells when treated with 0.25, 0.5, or 1 μg/mL. In a coculture study of Caco-2 and TIB-71 cells, inhibition of cell proliferation of 90% was observed for Caco-2 cells compared to the 40-55% when cultured separately. CGE also induced cell cycle arrest and had a fourfold increase in caspase activity (apoptosis) in PC-3 cells when treated at a dose of 0.5 or 1 μg/mL. This investigation of CGE clearly highlights the fact that the lipid bioactive compounds in CGE have the potential as promising anticancer agents.
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Affiliation(s)
- Mukta Bagul
- 1 Biomedical Engineering and Biotechnology Program, University of Massachusetts Lowell , Lowell, Massachusetts, USA
| | - Srikanth Kakumanu
- 1 Biomedical Engineering and Biotechnology Program, University of Massachusetts Lowell , Lowell, Massachusetts, USA
| | - Thomas A Wilson
- 1 Biomedical Engineering and Biotechnology Program, University of Massachusetts Lowell , Lowell, Massachusetts, USA .,2 Department of Clinical Laboratory and Nutritional Sciences, Center for Health and Disease Research, University of Massachusetts Lowell , Lowell, Massachusetts, USA
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Kwak SH, Cho YM, Noh GM, Om AS. Cancer Preventive Potential of Kimchi Lactic Acid Bacteria (Weissella cibaria, Lactobacillus plantarum). J Cancer Prev 2014; 19:253-8. [PMID: 25574459 PMCID: PMC4285955 DOI: 10.15430/jcp.2014.19.4.253] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Revised: 12/08/2014] [Accepted: 12/08/2014] [Indexed: 12/24/2022] Open
Abstract
The number of death due to cancer has been increasing in Korea. Chemotherapy is known to cause side effects because it damages not only cancerous cells but healthy cells. Recently, attention has focused on food-derived chemopreventive and anti-tumor agents or formulations with fewer side effects. Kimchi, most popular and widely consumed in Korea, contains high levels of lactic acid bacteria and has been shown to possess chemopreventive effects. This review focuses on Weissella cibaria and Lactobacillus plantarum, the representatives of kimchi lactic acid bacteria, in terms of their abilities to prevent cancer. Further studies are needed to understand the mechanisms by which lactic acid bacteria in kimchi prevent carcinogenic processes and improve immune functions.
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Affiliation(s)
- Shin-Hye Kwak
- Laboratory of Food Safety and Toxicology, Department of Food Science and Nutrition, College of Human Ecology, Hanyang University, Seoul, Korea
| | - Young-Mi Cho
- Laboratory of Food Safety and Toxicology, Department of Food Science and Nutrition, College of Human Ecology, Hanyang University, Seoul, Korea
| | - Geon-Min Noh
- Functional Food and Nutrition Division, Department of Agrofood Resources, National Academy of Agricultural Science, Wanju, Korea
| | - Ae-Son Om
- Laboratory of Food Safety and Toxicology, Department of Food Science and Nutrition, College of Human Ecology, Hanyang University, Seoul, Korea
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Ianiski FR, Alves CB, Bassaco MM, Silveira CC, Luchese C. Protective effect of ((4-tert-butylcyclohexylidene) methyl) (4-methoxystyryl) sulfide, a novel unsymmetrical divinyl sulfide, on an oxidative stress model induced by sodium nitroprusside in mouse brain: involvement of glutathione peroxidase activity. ACTA ACUST UNITED AC 2014; 66:1747-54. [PMID: 25131386 DOI: 10.1111/jphp.12300] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2013] [Accepted: 06/03/2014] [Indexed: 12/14/2022]
Abstract
OBJECTIVES In this study, the antioxidant action of ((4-tert-butylcyclohexylidene) methyl) (4-methoxystyryl) sulfide, a novel unsymmetrical divinyl sulfide, against oxidative damage induced by sodium nitroprusside (SNP) in brains of mice was investigated. METHODS Mice received SNP (0.335 μmol/site, intracerebroventricular) 30 min after administration of sulfide (10 mg/kg, intragastrically). After 1 h, animals were sacrificed and the brains were removed to biochemistry analysis. Thiobarbituric acid reactive species (TBARS), protein carbonyl (PC) and non-protein thiol (NPSH) levels, as well as catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx), glutathione reductase (GR) and glutathione S-transferase (GST) activities were determined. KEY FINDINGS SNP increased TBARS and PC levels, CAT, GPx, GR and GST activities and reduced NPSH levels. Administration of the sulfide attenuated the changes produced by SNP and increased per se GPx activity in brains of mice. Toxicological parameters revealed that this compound did not cause acute renal or hepatic damage. CONCLUSIONS In conclusion, ((4-tert-butylcyclohexylidene) methyl) (4-methoxystyryl) sulfide protected against oxidative damage caused by SNP in mouse brain. GPx activity is involved, at least in part, in the cerebral antioxidant action of this compound.
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Affiliation(s)
- Francine R Ianiski
- Programa de Pós-Graduação em Nanociências, Centro Universitário Franciscano, Santa Maria, RS, Brazil
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Yun HM, Ban JO, Park KR, Lee CK, Jeong HS, Han SB, Hong JT. Potential therapeutic effects of functionally active compounds isolated from garlic. Pharmacol Ther 2013; 142:183-95. [PMID: 24333688 DOI: 10.1016/j.pharmthera.2013.12.005] [Citation(s) in RCA: 84] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2013] [Accepted: 11/13/2013] [Indexed: 01/01/2023]
Abstract
The medicinal properties of functionally active organosulfur compounds such as allin, diallyl disulfide, S-allylmercaptocysteine, and S-trityl-L-cysteine isolated from garlic have received great attention from a large number of investigators who have studied their pharmacological effects for the treatment of various diseases. These organosulfur compounds are able to prevent for development of cancer, cardiovascular, neurological, and liver diseases as well as allergy and arthritis. There have been also many reports on toxicities and pharmacokinetics of these compounds. The aim of this study is to review a variety of experimental and clinical reports, and describe the effectiveness, toxicities and pharmacokinetics, and possible mechanisms of pharmaceutical actions of functionally active compounds isolated from garlic.
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Affiliation(s)
- Hyung-Mun Yun
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea
| | - Jung Ok Ban
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea
| | - Kyung-Ran Park
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea
| | - Chong Kil Lee
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea
| | - Heon-Sang Jeong
- Department of Food Science and Technology, Chungbuk National University, Chungbuk 361-763, Republic of Korea
| | - Sang Bae Han
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea
| | - Jin Tae Hong
- College of Pharmacy and Medical Research Center, Chungbuk National University, 48 Gaeshin-dong, Heungduk-gu, Cheongju, Chungbuk 361-763, Republic of Korea.
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Park HY, Kim ND, Kim GY, Hwang HJ, Kim BW, Kim WJ, Choi YH. Inhibitory effects of diallyl disulfide on the production of inflammatory mediators and cytokines in lipopolysaccharide-activated BV2 microglia. Toxicol Appl Pharmacol 2012; 262:177-84. [DOI: 10.1016/j.taap.2012.04.034] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Revised: 04/22/2012] [Accepted: 04/26/2012] [Indexed: 01/23/2023]
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YU CHUNSHU, HUANG ANCHENG, LAI KUANGCHI, HUANG YIPING, LIN MENGWEI, YANG JAISING, CHUNG JINGGUNG. Diallyl trisulfide induces apoptosis in human primary colorectal cancer cells. Oncol Rep 2012; 28:949-54. [DOI: 10.3892/or.2012.1882] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2012] [Accepted: 05/18/2012] [Indexed: 11/05/2022] Open
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21
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Yedjou CG, Tchounwou PB. In vitro assessment of oxidative stress and apoptotic mechanisms of garlic extract in the treatment of acute promyelocytic leukemia. ACTA ACUST UNITED AC 2012; 2012:6. [PMID: 23847719 DOI: 10.4172/1948-5956.s3-006] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
INTRODUCTION Garlic supplementation in diet has been shown to be beneficial to cancer patients. Recently, its pharmacological role in the prevention and treatment of cancer has received increasing attention. However, the mechanisms by which garlic extract (GE) induces cytotoxicity, oxidative stress, and apoptosis in cancer cells remain largely unknown. OBJECTIVE The present study was designed to use HL-60 cells as a test model to evaluate whether or not GE-induced cytotoxicty and apoptosis in human leukemia (HL-60) cells is mediated through oxidative stress. METHODS Human leukemia (HL-60) cells were treated with different concentrations of GE for 12 hr. Cell survival was determined by MTT assay. The extent of oxidative cell/tissue damage was determined by measuring malondialdehyde (lipid peroxidation biomarker) concentrations by spectrophotometry. Cell apoptosis was measured by flow cytometry assessment (Annexin-V and caspase-3 assays) and agarose gel electrophoresis (DNA laddering assay). RESULTS Data obtained from the MTT assay indicated that GE significantly (p < 0.05) reduced the viability of HL-60 cells in a concentration-dependent manner. We detected a significant (p < 0.05) increase in malondialdehyde (MDA) concentrations in GE-treated HL-60 cells compared to the control. Flow cytometry data showed a strong concentration-response relationship between GE exposure and Annexin-V positive HL-60 cells. Similarly, a statistically significant and concentration-dependent increase (p <0.05) were recorded with regard to caspase-3 activity in HL-60 cells undergoing late apoptosis. These results were confirmed by data of DNA laddering assay showing a clear evidence of nucleosomal DNA fragmentation in GE-treated cells. CONCLUSION Our finding indicates that GE-induced cytotoxicity and apoptosis in HL-60 cells involve phosphatidylserine externalization, caspase-3 activation, and nucleosomal DNA fragmentation associated with the formation of MDA, a by-product of lipid peroxidation and biomarker of oxidative stress. At therapeutic concentrations, GE-induced cytotoxic and apoptotic effects in HL-60 cells is mediated by oxidative stress.
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Affiliation(s)
- Clement G Yedjou
- Cellomics and Toxicogenomics Research Laboratory, NIH RCMI-Center for Environmental Health, College of Science, Engineering and Technology, Jackson State University, 1400 Lynch Street, P.O. Box 18540, Jackson, Mississippi, USA
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Chen M, Li B, Zhao X, Zuo H, He X, Li Z, Liu X, Chen L. Effect of diallyl trisulfide derivatives on the induction of apoptosis in human prostate cancer PC-3 cells. Mol Cell Biochem 2011; 363:75-84. [PMID: 22143535 DOI: 10.1007/s11010-011-1159-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2011] [Accepted: 11/23/2011] [Indexed: 01/03/2023]
Abstract
The effects of five derivatives of diallyl trisulfide (DATS) were investigated on apoptosis in prostate cancer PC-3 cells, including dibutenyl trisulfide (DBTS), bis(2-methylallyl) trisulfide (2-M-DATS), dipentenyl trisulfide (DPTS), bis(3-methylbut-2-enyl) trisulfide (3-M-DBTS), and dihexenyl trisulfide (DHTS). Our present study demonstrated that DATS derivatives can suppress proliferation of PC-3 cells in a dose- and time-dependent manner, and that a change in the DATS structure could have an impact on its biological activity in the following order: 2-M-DATS > DBTS ≈ DPTS ≈ DATS > 3-M-DBTS ≈ DHTS. Typical apoptotic nuclei were shown by Hoechst 33342 staining with 80 μM concentrations of DATS derivatives for 24 h. And flow cytometric analysis and DNA fragmentation assay also demonstrated that DATS derivatives induced apoptosis in PC-3 cells. Meanwhile, experimental results showed that DBTS, 2-M-DATS, and DPTS cause G2-M phase cell cycle arrest. Furthermore, a series of apoptosis-associated features were observed, which include a notable decrease in the expression of procaspases-3, up-regulation of pro-apoptotic proteins Bax expression, and down-regulation of anti-apoptotic proteins Bcl-2 expression in PC-3 cells. All of the evidences above indicate that DATS derivatives suppressed proliferation of PC-3 cells which was associated with the induction of apoptosis regulated by Bax/Bcl-2.
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Affiliation(s)
- Min Chen
- College of Pharmaceutical Sciences, Southwest University, Chongqing 400716, China
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Zamani A, Hoseinipanah M, Madadi H, Arjipour M. Effect of garlic consumption on the argyrophilic nucleolar organiser regions (AgNORs) in splenocytes and thymocytes of rats. FOOD AGR IMMUNOL 2011. [DOI: 10.1080/09540105.2011.581271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022] Open
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Wang Z, Liu Z, Cao Z, Li L. Allicin induces apoptosis in EL-4 cells in vitro by activation of expression of caspase-3 and -12 and up-regulation of the ratio of Bax/Bcl-2. Nat Prod Res 2011; 26:1033-7. [PMID: 21902562 DOI: 10.1080/14786419.2010.550894] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Garlic (Allium sativum L.; Liliaceae) has been widely demonstrated in the role of cancer prevention, but the specific compound in garlic corresponding to this effect and its mechanisms are not clearly known. Allicin is one of the organic sulphur compounds derived from garlic. In the present study we investigated the anti-proliferative and pro-apoptotic activities of allicin in murine T-lymphocytes (EL-4) and the mechanism of inducing apoptosis in vitro. The results showed that allicin was effective in inhibiting the proliferation of EL-4 cells in vitro in a concentration-dependent manner. Further, allicin could induce the formation of apoptotic bodies, nuclear condensation, DNA spallation, and even activated the expression of caspase-3, -12 and cytochrome C (cyt C). Finally, allicin up-regulated the ratio of Bax/Bcl-2 and induced a mitochondrion membrane potential (MMP) decrease. Allicin induced apoptosis in EL-4 cells in a time- and concentration-dependent manner, in which the mitochondrial pathway might play a central role.
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Affiliation(s)
- Ziren Wang
- School of Life Sciences, Lanzhou University, Lanzhou 730000, PR China.
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25
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Merhi F, Auger J, Rendu F, Bauvois B. Allium compounds, dipropyl and dimethyl thiosulfinates as antiproliferative and differentiating agents of human acute myeloid leukemia cell lines. Biologics 2011; 2:885-95. [PMID: 19707466 PMCID: PMC2727902 DOI: 10.2147/btt.s3212] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Epidemiologic studies support the premise that Allium vegetables may lower the risk of cancers. The beneficial effects appear related to the organosulfur products generated upon processing of Allium. Leukemia cells from patients with acute myeloid leukemia (AML) display high proliferative capacity and have a reduced capacity of undergoing apoptosis and maturation. Whether the sulfur-containing molecules thiosulfinates (TS), diallyl TS (All(2)TS), dipropyl TS (Pr(2)TS) and dimethyl TS (Me(2)TS), are able to exert chemopreventative activity against AML is presently unknown. The present study was an evaluation of proliferation, cytotoxicity, differentiation and secretion of AML cell lines (U937, NB4, HL-60, MonoMac-6) in response to treatment with these TS and their related sulfides (diallylsulfide, diallyl disulfide, dipropyl disulfide, dimethyl disulfide). As assessed by flow cytometry, ELISA, gelatin zymogaphy and RT-PCR, we showed that Pr(2)TS and Me(2)TS, but not All(2)TS and sulfides, 1) inhibited cell proliferation in dose- and time-dependent manner and this process was neither due to cytotoxicity nor apoptosis, 2) induced macrophage maturation, and 3) inhibited the levels of secreted MMP-9 (protein and activity) and TNF-alpha protein, without altering mRNA levels. By establishing for the first time that Pr(2)TS and Me(2)TS affect proliferation, differentiation and secretion of leukemic cell lines, this study provides the opportunity to explore the potential efficiency of these molecules in AML.
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Affiliation(s)
- Faten Merhi
- UMR 7131 UPMC Paris Universitas/ CNRS, Groupe Hospitalier Broussais-HEGP, Paris, France
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26
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Ghazanfari T, Yaraee R, Rahmati B, Hakimzadeh H, Shams J, Jalali-Nadoushan MR. In vitro cytotoxic effect of garlic extract on malignant and nonmalignant cell lines. Immunopharmacol Immunotoxicol 2011; 33:603-8. [PMID: 21428708 DOI: 10.3109/08923973.2011.551832] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Cancer is one of the major causes of death in the world and despite many years of research, the treatment of cancer is still a problem. Epidemiological observations and laboratory studies have indicated anticarcinogenic potential of garlic, which has been traditionally used for various human diseases around the world. In this study the cytotoxicity of garlic extract against three malignant cancer cell lines including gastric (AGS), breast (MCF-7) and colon (HT-29) and a nonmalignant cell line (L929) were evaluated by the MTT assay. The results of this study reveal MCF-7 and AGS cells were sensitive to garlic extract. Despite a many reports on inhibitory effects of garlic on cancer cell line, our data showed these effects are tumor specific and dose dependent. Further studies on animal models and humans are needed to clarify the important molecules and their mechanisms.
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Affiliation(s)
- Tooba Ghazanfari
- Immunoregulation Research Center, Shahed University Tehran, IR, Iran.
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Battin EE, Zimmerman MT, Ramoutar RR, Quarles CE, Brumaghim JL. Preventing metal-mediated oxidative DNA damage with selenium compounds. Metallomics 2011; 3:503-12. [DOI: 10.1039/c0mt00063a] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Kang SS, Lim DR, Kyung KH. 3-(Allyltrisulfanyl)-2-Aminopropanoic Acid, a Novel Nonvolatile Water-Soluble Antimicrobial Sulfur Compound in Heated Garlic. J Med Food 2010; 13:1247-53. [DOI: 10.1089/jmf.2010.1059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Seung-Sik Kang
- Department of Food Science, Sejong University, Seoul, Republic of Korea
| | - Dong Ryul Lim
- Department of Chemistry, Sejong University, Seoul, Republic of Korea
| | - Kyu Hang Kyung
- Department of Food Science, Sejong University, Seoul, Republic of Korea
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Sun XB, Zhao J, Ma XF, Tian WX. Inhibitory effects of thioethers on fatty acid synthase and 3T3-L1 cells. J Enzyme Inhib Med Chem 2010; 25:290-5. [PMID: 19874137 DOI: 10.3109/14756360903179377] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Thioethers are the main flavor compounds found in Liliaceae Allium vegetables and have been shown to have beneficial effects against several diseases correlated with metabolic syndrome. The inhibitory effects of six thioethers on fatty acid synthase (FAS) were investigated. Dose-dependent and time-dependent inhibitions of FAS by one trisulfide and two disulfides were revealed. Diallyl trisulfide (DATS, IC(50) = 8.37 microM) was the most active of these thioethers. Inhibition kinetics, substrate protection analysis, and stoichiometric assay revealed that DATS interacted with both essential sulfhydryl groups on the acyl-carrier protein and beta-ketoacyl synthase domain of FAS to inactivate the enzyme. The inactivation by DATS represented affinity-labeling kinetics. The active thioethers also inhibited the differentiation and lipid accumulation of 3T3-L1 preadipocytes, and the effect was related to their inhibition of FAS. It is suggested that the inhibition on FAS by thioethers and Allium vegetables is an important factor for their effects against metabolic syndrome.
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Affiliation(s)
- Xue-Bing Sun
- College of Life Sciences, Graduate University of Chinese Academy of Sciences, Beijing, China
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30
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Chen CH, Su SJ, Chang KL, Huang MW, Kuo SY. The garlic ingredient diallyl sulfide induces Ca2+ mobilization in Madin-Darby canine kidney cells. Food Chem Toxicol 2009; 47:2344-50. [DOI: 10.1016/j.fct.2009.06.028] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2008] [Revised: 06/03/2009] [Accepted: 06/15/2009] [Indexed: 11/24/2022]
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31
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Butt MS, Sultan MT, Butt MS, Iqbal J. Garlic: nature's protection against physiological threats. Crit Rev Food Sci Nutr 2009; 49:538-51. [PMID: 19484634 DOI: 10.1080/10408390802145344] [Citation(s) in RCA: 129] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Currently reliance on natural products is gaining popularity to combat various physiological threats including oxidative stress, cardiovascular complexities, cancer insurgence, and immune dysfunction. The use of traditional remedies may encounter more frequently due to an array of scientific evidence in their favor. Garlic (Allium sativum) holds a unique position in history and was recognized for its therapeutic potential. Recent advancements in the field of immunonutrition, physiology, and pharmacology further explored its importance as a functional food against various pathologies. Extensive research work has been carried out on the health promoting properties of garlic, often referred to its sulfur containing metabolites i.e. allicin and its derivatives. Garlic in its preparations are effective against health risks and even used as dietary supplements such as age garlic extract (AGE) and garlic oil etc. Its components/formulations can scavenge free radicals and protect membranes from damage and maintains cell integrity. It also provides cardiovascular protection mediated by lowering of cholesterol, blood pressure, anti-platelet activities, and thromboxane formation thus providing protection against atherosclerosis and associated disorders. Besides this, it possesses antimutagenic and antiproliferative properties that are interesting in chemopreventive interventions. Several mechanisms have been reviewed in this context like activation of detoxification phase-I and II enzymes, reactive oxygen species (ROS) generation, and reducing DNA damage etc. Garlic could be useful in preventing the suppression of immune response associated with increased risk of malignancy as it stimulates the proliferation of lymphocytes, macrophage phagocytosis, stimulates the release of interleukin-2, tumor necrosis factor-alpha and interferon-gamma, and enhances natural killer cells. In this paper much emphasis has been placed on garlic's ability to ameliorate oxidative stress, core role in cardiovascular cure, chemopreventive strategies, and indeed its prospective as immune booster.
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Affiliation(s)
- Masood Sadiq Butt
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan.
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Yamaji K, Sarker KP, Abeyama K, Maruyama I. Anti-atherogenic effects of an egg yolk-enriched garlic supplement. Int J Food Sci Nutr 2009; 55:61-6. [PMID: 14630593 DOI: 10.1080/09637480310001642493] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Abstract
It has been suggested that oxidation of low-density lipoprotein (LDL) plays an important role in the initiation and progression of atherosclerosis. In the present study, we determined the anti-atherogenic effects of egg yolk-enriched garlic powder (EGP), which has been used as a traditional health-promoting food in southern Japan since ancient times, on LDL oxidation and oxidant stress-induced cell injury models. We confirmed that EGP inhibits copper-induced LDL oxidation in a dose-dependent manner. We also observed that pretreatment of EGP significantly suppressed the production of peroxides in HL60 cells and protected endothelial cells from hydrogen peroxide-induced cell injury. These findings might, in part, be ascribed to the biodistribution of garlic compounds and egg yolk interaction, and suggest that EGP might be useful in the prevention of atherosclerosis.
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Affiliation(s)
- Kazuyo Yamaji
- Department of Laboratory and Molecular Medicine, Faculty of Medicine, Kagoshima University, 8-35-1 Sakuragaoka, Kagoshima City 890-8520, Japan.
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Antioxidant activity of sulfur and selenium: a review of reactive oxygen species scavenging, glutathione peroxidase, and metal-binding antioxidant mechanisms. Cell Biochem Biophys 2009; 55:1-23. [PMID: 19548119 DOI: 10.1007/s12013-009-9054-7] [Citation(s) in RCA: 280] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2009] [Accepted: 06/03/2009] [Indexed: 02/07/2023]
Abstract
It is well known that oxidation caused by reactive oxygen species (ROS) is a major cause of cellular damage and death and has been implicated in cancer, neurodegenerative, and cardiovascular diseases. Small-molecule antioxidants containing sulfur and selenium can ameliorate oxidative damage, and cells employ multiple antioxidant mechanisms to prevent this cellular damage. However, current research has focused mainly on clinical, epidemiological, and in vivo studies with little emphasis on the antioxidant mechanisms responsible for observed sulfur and selenium antioxidant activities. In addition, the antioxidant properties of sulfur compounds are commonly compared to selenium antioxidant properties; however, sulfur and selenium antioxidant activities can be quite distinct, with each utilizing different antioxidant mechanisms to prevent oxidative cellular damage. In the present review, we discuss the antioxidant activities of sulfur and selenium compounds, focusing on several antioxidant mechanisms, including ROS scavenging, glutathione peroxidase, and metal-binding antioxidant mechanisms. Findings of several recent clinical, epidemiological, and in vivo studies highlight the need for future studies that specifically focus on the chemical mechanisms of sulfur and selenium antioxidant behavior.
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Zamani A, Vahidinia A, Ghannad MS. The effect of garlic consumption on Th1/Th2 cytokines in phytohemagglutinin (PHA) activated rat spleen lymphocytes. Phytother Res 2009; 23:579-81. [PMID: 19107745 DOI: 10.1002/ptr.2700] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The balance and regulation of T helper 1 (Th1) and Th2-type cytokines are important in the effective immune response to different diseases. To clarify the effect of garlic (Allium sativum L.) consumption on the Th1/Th2 balance, the secretion of gamma interferon (IFN-gamma) and interleukin-4 (IL-4), as two prototypes of Th1/Th2 cytokines, were compared in serum and supernatant of in vitro phytohemagglutinin activated rat spleen lymphocytes. Thirty male rats were divided equally into two groups. The treatment group received garlic solution in water (600 mg/kg/4 mL) and controls received distilled water by gavage. After 1 month, serum and supernatant of PHA activated spleen lymphocytes were analysed for IFN-gamma and IL-4 by the enzyme-linked immunosorbent assay test and thymus and spleen weights were measured. The garlic treatment group showed significantly decreased production of IFN-gamma from 101.73 +/- 4.62 to 74.64 +/- 4.64 pg/mL and significantly increased IL-4 production from 26.75 +/- 3.35 to 83.92 +/- 6.56 pg/mL (p < 0.001) in the supernatant of PHA induced spleen lymphocytes. The serum level of these cytokines was undetectable. The mean weight of thymuses in the garlic fed animals was significantly reduced from 0.456 +/- 0.016 to 0.368 +/- 0.023 g compared with the control group (p < 0.005). There were no significant differences between the spleen weights in the two groups. In conclusion, oral garlic treatment may favor a Th2 or humoral immune response.
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Affiliation(s)
- Alireza Zamani
- Department of Immunology, School of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran.
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Kim SI, Yim SH, Sohn DW, Lee SJ, Ha US, Han CH, Cho YH. Preventive Effect on Inflammation and Anti-Inflammatory and Anti-Microbial Effects of Garlic Extract in a Rat Model of Chronic Bacterial Prostatitis. Korean J Urol 2009. [DOI: 10.4111/kju.2009.50.6.602] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Affiliation(s)
- Sung In Kim
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Seung Hyuk Yim
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Dong Wan Sohn
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Seung-Ju Lee
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - U-Syn Ha
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Chang Hee Han
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
| | - Yong-Hyun Cho
- Department of Urology, The Catholic University of Korea College of Medicine, Seoul, Korea
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Battin EE, Brumaghim JL. Metal specificity in DNA damage prevention by sulfur antioxidants. J Inorg Biochem 2008; 102:2036-42. [DOI: 10.1016/j.jinorgbio.2008.06.010] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2008] [Revised: 06/04/2008] [Accepted: 06/14/2008] [Indexed: 01/30/2023]
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Avcı A, Atlı T, Ergüder &IB, Varlı M, Devrim E, Aras S, Durak &I. Effects of Garlic Consumption on Plasma and Erythrocyte Antioxidant Parameters in Elderly Subjects. Gerontology 2008; 54:173-6. [DOI: 10.1159/000130426] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2007] [Accepted: 01/12/2008] [Indexed: 11/19/2022] Open
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Nigam N, Shukla Y. Preventive effects of diallyl sulfide on 7,12-dimethylbenz[a]anthracene induced DNA alkylation damage in mouse skin. Mol Nutr Food Res 2007; 51:1324-8. [DOI: 10.1002/mnfr.200700140] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Khan A, Shukla Y, Kalra N, Alam M, Ahmad MG, Hakim SR, Owais M. Potential of diallyl sulfide bearing pH-sensitive liposomes in chemoprevention against DMBA-induced skin papilloma. Mol Med 2007. [PMID: 17622315 DOI: 10.2119/2006-00111.khan] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Diallyl sulfide (DAS), an active component of garlic, possesses strong anti-neoplastic properties against various forms of cancer. In the present study, we have evaluated chemo-preventive effects of liposomized DAS (conventional egg PC and pH-sensitive liposomes) against DMBA-induced skin papilloma. Various liposome-based novel formulations of DAS (250 microg/mouse) were applied topically, after one hour of exposure to DMBA (52 microg/mouse/dose), to the animals. The animals were treated thrice weekly for the total period of 12 weeks. The efficacy of the various liposomal formulations of DAS was evaluated on the basis of parameters such as incidence of tumorogenesis and total numbers and sizes of induced tumor nodules. The liposomized DAS formulations also were assessed for their effect on the expression of p53wt, p53mut, and p21/Waf1. The results of the present study showed that liposomized DAS could effectively delay the onset of tumorogenesis and reduce the cumulative numbers and sizes of tumor papillomas in treated mice. Treatment of DMBA-exposed animals with the liposomal formulation of DAS ensued in upregulation of p53wt and p21/Waf1, while levels of p53mut expression reduced down. The promising chemo-preventive nature of liposomal DAS may form the basis for establishing effective means of controlling various forms of cancer, including skin papilloma.
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Affiliation(s)
- Arif Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
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Khan A, Shukla Y, Kalra N, Alam M, Ahmad MG, Hakim SR, Owais M. Potential of diallyl sulfide bearing pH-sensitive liposomes in chemoprevention against DMBA-induced skin papilloma. MOLECULAR MEDICINE (CAMBRIDGE, MASS.) 2007; 13:443-51. [PMID: 17622315 PMCID: PMC1952677 DOI: 10.2119/2006–00111.khan] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/13/2006] [Accepted: 05/18/2007] [Indexed: 11/06/2022]
Abstract
Diallyl sulfide (DAS), an active component of garlic, possesses strong anti-neoplastic properties against various forms of cancer. In the present study, we have evaluated chemo-preventive effects of liposomized DAS (conventional egg PC and pH-sensitive liposomes) against DMBA-induced skin papilloma. Various liposome-based novel formulations of DAS (250 microg/mouse) were applied topically, after one hour of exposure to DMBA (52 microg/mouse/dose), to the animals. The animals were treated thrice weekly for the total period of 12 weeks. The efficacy of the various liposomal formulations of DAS was evaluated on the basis of parameters such as incidence of tumorogenesis and total numbers and sizes of induced tumor nodules. The liposomized DAS formulations also were assessed for their effect on the expression of p53wt, p53mut, and p21/Waf1. The results of the present study showed that liposomized DAS could effectively delay the onset of tumorogenesis and reduce the cumulative numbers and sizes of tumor papillomas in treated mice. Treatment of DMBA-exposed animals with the liposomal formulation of DAS ensued in upregulation of p53wt and p21/Waf1, while levels of p53mut expression reduced down. The promising chemo-preventive nature of liposomal DAS may form the basis for establishing effective means of controlling various forms of cancer, including skin papilloma.
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Affiliation(s)
- Arif Khan
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | - Yogeshwer Shukla
- Environmental Carcinogenesis Division, Industrial Toxicology Research Center, Lucknow, India
| | - Neetu Kalra
- Environmental Carcinogenesis Division, Industrial Toxicology Research Center, Lucknow, India
| | - Maroof Alam
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
| | | | | | - Mohammad Owais
- Interdisciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh, India
- Address correspondence and reprint requests to Mohammad Owais, Inter-Disciplinary Biotechnology Unit, Aligarh Muslim University, Aligarh-202002, India. Phone: 91-0571-2720388; Fax: 91-0571-2721776; E-mail:
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Colli JL, Colli A. International comparisons of prostate cancer mortality rates with dietary practices and sunlight levels. Urol Oncol 2006; 24:184-94. [PMID: 16678047 DOI: 10.1016/j.urolonc.2005.05.023] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2005] [Revised: 05/19/2005] [Accepted: 05/20/2005] [Indexed: 10/24/2022]
Abstract
Prostate cancer mortality rates vary widely across the world. The purpose of this study is to identify environmental factors associated with prostate cancer mortality risk. Prostate cancer mortality rates in 71 countries were compared to per capita food intake rates using age-adjusted cancer rates (year 2000) from the International Agency for Research on Cancer, and food consumption data (1990-1992) provided by the Food and Agricultural Organization of the United Nations. Simple regression models were applied to prostate cancer mortality rates and consumption rates for 38 foods (or food categories), and sunlight levels (latitude from the equator and ultraviolet indexes). The analysis found a correlation between increased prostate cancer mortality rates and the consumption of total animal calories, total animal fat calories, meat, animal fat, milk, sugar, alcoholic beverages, and stimulants. The consumption of cereal grains and rice, in particular, correlated strongly with decreasing prostate cancer mortality. The analysis found that increased sunlight levels and consumption of oilseeds, soybeans, and onions also correlate with decreased prostate cancer mortality risk. Stepwise multiple regression analysis was used to build a regression model with minimum colinearity between the variables. Cereals, total animal fat calories, sugar, and onions are the foods that resulted in a model with the best fit. Cereals, ultraviolet index, sugar, and onions were the variables found to provide the best fit in a model when ambient sunlight exposure was included as a factor.
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Affiliation(s)
- Janet Laura Colli
- Division of Urology, Department of Surgery, University of Alabama at Birmingham, Birmingham, AL 35294, USA.
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Arora A, Kalra N, Shukla Y. Regulation of p21/ras protein expression by diallyl sulfide in DMBA induced neoplastic changes in mouse skin. Cancer Lett 2006; 242:28-36. [PMID: 16448747 DOI: 10.1016/j.canlet.2005.10.049] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2005] [Accepted: 10/24/2005] [Indexed: 11/26/2022]
Abstract
Diallyl sulfide (DAS), a naturally occurring organosulfide, present in garlic, is known to possess pleiotropic biological effects. DAS is known to inhibit chemically induced tumors in a number of animal models. The chemopreventive properties of DAS seem to occur through a number of mechanisms, but its role on primary events on oncogenic activation is not well understood. In the present study, we demonstrated the modulatory effect of DAS on the expression of H-ras gene product, p21/ras protein as one of the mechanisms of its chemopreventive action in chemically induced mouse skin tumors. Our results showed that DAS administration leads to modulation of the DMBA-induced levels of p21/ras oncoprotein as early as 24h after the DMBA application, suggesting down-regulation of the p21/ras by DAS. Furthermore, the modulatory effects of DAS were also evident in DMBA-induced mouse skin tumors. DAS administration led to increase in the levels of cytosolic p21/ras and decrease in the levels of p21/ras in membrane fractions. DAS administration was also found to down regulate the DMBA-induced H-ras mRNA level in mouse skin tumors. The immunohistochemical staining of the skin/tumor showed 55.82 and 46.86% decrease in the area positive for p21/ras expression levels in DAS pre- and post-supplemented groups, respectively. Flow-cytometric analysis, further confirms our results as indicated by a shift in the mean fluorescence intensity (MFI) towards lower fluorescence in DAS administered groups in comparison to the DMBA treated group. Thus, one mechanism of the growth inhibitory properties of DAS is through the suppression of development of tumors that harbor ras mutations by inhibiting the membrane association of oncogenic p21/ras protein.
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Affiliation(s)
- Annu Arora
- Environmental Carcinogenesis Division, Industrial Toxicology Research Centre, P.O. Box 80, M.G. Marg, Lucknow 226001, India
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Tomás-Guillén E, Farriols-Danés A, Cantarell-Aixendri C, Carlos Juárez-Giménez J. Interacciones entre plantas medicinales y fármacos inmunodepresores. Med Clin (Barc) 2006; 127:177-84. [PMID: 16834954 DOI: 10.1157/13090706] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Affiliation(s)
- Elena Tomás-Guillén
- Servicio de Farmacia, Hospital Universitario Vall d'Hebron, Barcelona, España
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Shukla Y, Kalra N. Cancer chemoprevention with garlic and its constituents. Cancer Lett 2006; 247:167-81. [PMID: 16793203 DOI: 10.1016/j.canlet.2006.05.009] [Citation(s) in RCA: 132] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2006] [Revised: 05/03/2006] [Accepted: 05/15/2006] [Indexed: 12/12/2022]
Abstract
Advance metastasized cancers are generally incurable; hence an effort to prolong the process of carcinogenesis through chemoprevention has emerged consistent with this notion. In recent years, a considerable attention has been placed to identify naturally occurring chemopreventive substances capable of inhibiting, retarding or reversing the process of carcinogenesis. A number of phenolic substances, particularly those present in dietary and medicinal plants, have been shown to possess substantial anticarcinogenic and antimutagenic activities. Epidemiological observations and laboratory studies, both in cell culture and animal models have indicated anticarcinogenic potential of garlic and its constituents, which has been traditionally used for varied human ailments around the world. Chemical analysis has indicated that protective effects of garlic appear to be related to the presence of organosulfur compounds mainly allyl derivatives. Several mechanisms have been presented to explain cancer chemopreventive effects of garlic-derived products. These include modulation in activity of several metabolizing enzymes that activate and detoxify carcinogens and inhibit DNA adduct formation, antioxidative and free radicals scavenging properties and regulation of cell proliferation, apoptosis and immune responses. Recent data show that garlic-derived products modulate cell-signaling pathways in a fashion that controls the unwanted proliferation of cells thereby imparting strong cancer chemopreventive as well as cancer therapeutic effects. This review discusses mechanistic basis of cancer chemopreventive effects of garlic-derived products, their implication in cancer management and ways and means to take these agents from bench to real life situations.
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Affiliation(s)
- Yogeshwer Shukla
- Environmental Carcinogenesis Division, Industrial Toxicology Research Centre, P.O. Box 80, M.G. Marg, Lucknow 226001, India.
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Pinto JT, Krasnikov BF, Cooper AJL. Redox-sensitive proteins are potential targets of garlic-derived mercaptocysteine derivatives. J Nutr 2006; 136:835S-841S. [PMID: 16484576 DOI: 10.1093/jn/136.3.835s] [Citation(s) in RCA: 64] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Molecular investigations support existing clinical and epidemiological data that garlic-derived allylsulfides reduce cancer risk. Various allylsulfides can diminish progression of cancer cells at either the G1/S or G2/M phase. Allylsulfide derivatives modify redox-sensitive signal pathways and cause growth inhibition, mitotic arrest, and apoptosis induction. Whether allylsulfides modify intracellular redox potentials by affecting the ratio of glutathione:glutathione disulfide and/or by interacting directly with sulfhydryl domains on regulatory or catalytic-signal proteins requires further investigation. To understand the possible biochemical mechanisms contributing to the protective effects of allylsulfides, we investigated the ability of these compounds to undergo enzyme-catalyzed transformations. In addition to catalyzing gamma-elimination reactions, gamma-cystathionase can perform beta-elimination reactions with cysteinyl S-conjugates derived from garlic extracts when the S-alkyl group (R) is larger than ethyl. The reaction products are pyruvate, ammonium, and a sulfur-containing fragment (RSH). beta-Lyase substrates of gamma-cystathionase thus far identified from garlic include: S-allyl-L-cysteine (R=CH2=CHCH2-), S-allylmercapto-L-cysteine (R=CH2=CHCH2S-), and S-propylmercapto-L-cysteine (R=CH3CH2CH2S-). Mercapto derivatives yield persulfide products (RSSH) that are potential sources of sulfane sulfur, which may modify protein function by reacting at important cysteinyl domains. Thus, beta-elimination reactions with cysteine S-conjugates in garlic may modify cancer-cell growth by targeting redox-sensitive signal proteins at sulfhydryl sites, thereby regulating cell proliferation and/or apoptotic responses. These interactions may be useful in identifying efficacy of garlic-derived compounds and/or developing other novel organosulfur compounds that may modify intracellular redox potentials or interact with thiols associated within cysteine domains in regulatory, catalytic, signal, or structural proteins.
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Affiliation(s)
- John T Pinto
- Burke Medical Research Institute, White Plains, NY 10605, USA.
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Taylor P, Noriega R, Farah C, Abad MJ, Arsenak M, Apitz R. Ajoene inhibits both primary tumor growth and metastasis of B16/BL6 melanoma cells in C57BL/6 mice. Cancer Lett 2005; 239:298-304. [PMID: 16221526 DOI: 10.1016/j.canlet.2005.08.022] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2005] [Accepted: 08/23/2005] [Indexed: 11/30/2022]
Abstract
Ajoene is an organosulphur compound derived from garlic with important effects on several membrane-associated processes such as platelet aggregation, as well as being cytotoxic for tumor cell lines in vitro. In the present study, we investigated the effect of ajoene on different cell types in vitro, as well as its inhibitory effects on both primary tumors and metastasis in a mouse model. We found ajoene to inhibit tumor cell growth in vitro, but also to inhibit strongly metastasis to lung in the B16/BL6 melanoma tumor model in C57BL/6 mice. As far as we are aware, this is the first report of the anti-metastatic effect of ajoene. Ajoene also inhibited tumor-endothelial cell adhesion, as well as the in vivo TNF-alpha response to lipopolysaccharide. Possible mechanisms of its antitumoral activity are discussed in the light of these results.
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Affiliation(s)
- Peter Taylor
- Laboratorio de Patología Celular y Molecular, Centro de Medicina Experimental, Instituto Venezolano de Investigaciones Científicas (IVIC), Apartado 21827, Caracas 1020-A, Venezuela.
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Makris A, Thornton CE, Xu B, Hennessy A. Garlic increases IL-10 and inhibits TNFalpha and IL-6 production in endotoxin-stimulated human placental explants. Placenta 2005; 26:828-34. [PMID: 16226132 DOI: 10.1016/j.placenta.2004.10.019] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2004] [Revised: 09/26/2004] [Accepted: 10/27/2004] [Indexed: 11/17/2022]
Abstract
Preeclampsia is a multisystem disorder manifest by hypertension after 20 weeks' gestation associated with end organ damage, usually proteinuria. The placenta is thought to be pivotal in the pathogenesis of the disease. Both the placenta and the maternal systemic response are characterised by heightened inflammation. Garlic has been shown to have anti-inflammatory and pro-apoptotic properties amongst others. It was hypothesised that treating placental explants with garlic may inhibit the production of inflammatory cytokines (interleukin-6 (IL-6) and tumour necrosis factor (TNFalpha)) and stimulate the production of anti-inflammatory cytokines (interleukin-10 (IL-10)) by the placental explants. Garlic, we hypothesised, would also stimulate apoptosis in the explants as measured by soluble TNF-related apoptosis-inducing ligand/Apo-2L (sTRAIL) production. Normal placental explants (n=5) and explants from women who had preeclampsia (n=4) were cultured in the presence of various garlic concentrations (10-1000 microg/mL). The lowest garlic concentration (10 microg/mL) increased the normal explant production of IL-10 by 29.2% (12.2, 57.5%; p<0.01) while inhibiting the production of IL-6 by 23.5% (8.9, 32.5%; p<0.01) (normal explants) and TNFalpha by 19.4% (4.5, 35.3%; p<0.05) (preeclamptic explants). Garlic resulted in an increase in IL-10 production at lower doses (normal explants only) and inhibition of the production of IL-10 at higher doses (normal and preeclamptic explants). Garlic also resulted in a dose-dependent reduction of IL-6 and TNFalpha. Initially there was no change in sTRAIL production; however, at the highest garlic concentrations there was a significant increase in production. We thus conclude that garlic may have an immunomodulatory effect on normal and preeclamptic placentas.
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Affiliation(s)
- A Makris
- Vascular Immunology Research Laboratory, Heart Research Institute, 145 Missenden Road, Camperdown, Australia.
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Arora A, Siddiqui IA, Shukla Y. Modulation of p53 in 7,12-dimethylbenz[ a]anthracene–induced skin tumors by diallyl sulfide in Swiss albino mice. Mol Cancer Ther 2004. [DOI: 10.1158/1535-7163.1459.3.11] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Allium vegetables have been shown to have beneficial health effects against several chronic diseases including cancer. Diallyl sulfide (DAS), an organosulfur compound present in garlic, is well known for its chemopreventive properties in several tumor models. The pharmacologic role of DAS in prevention and treatment of cancer is well documented in the literature, but its molecular mechanism of action is not yet well defined. In the present study, modulation in p53 expression by topical application of DAS was recorded in 7,12-dimethylbenz[a]anthracene (DMBA)–induced skin tumors in Swiss albino mice. Western blot analysis and immunohistochemical protein detection, combined with multivariable flow cytometry, show that DAS application induces the expression of the wild-type (wt) p53 and down-regulates the expression of mutant (mut) p53. Immunoblotting analysis of tumors showed significant increase in levels of wtp53 by DAS application, whereas for mutp53 the DMBA-induced levels of protein were found to reduce to near normal levels with DAS application. The quantitative analysis of immunostained skin/tumor sections using image analysis and quantitative stereology showed 66.6% and 54.2% increases in wtp53 levels and 53.4% and 44.3% decreases in mutp53 levels in animals where DAS was applied 1 hour prior to or 1 hour after DMBA application, respectively. Flow cytometric analysis further confirmed modulation of wtp53 and mutp53 protein in DAS-supplemented tumors. The increase in the expression of wt tumor suppressor gene protein p53 was accompanied by elevation of the levels of cyclin-dependent kinase inhibitor p21/waf1. The percentage increase in the levels of p21/waf1 was found to be 72.9% and 61.3%, respectively, in DAS-supplemented groups before and after administration. These results thus show that DAS is a potential chemopreventive agent capable of modulating and regulating the tumor suppressor p53 along with its downstream effective molecule, p21/waf1. Thus, DAS can be a potential chemopreventive agent against skin tumor development.
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Affiliation(s)
- Annu Arora
- Environmental Carcinogenesis Division, Industrial Toxicology Research Center, Lucknow, India
| | - Imtiaz A. Siddiqui
- Environmental Carcinogenesis Division, Industrial Toxicology Research Center, Lucknow, India
| | - Yogeshwer Shukla
- Environmental Carcinogenesis Division, Industrial Toxicology Research Center, Lucknow, India
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Affiliation(s)
- Carmia Borek
- Community Health and Family Medicine, Tufts University School of Medicine, Boston, MA 02111, USA.
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50
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Affiliation(s)
- Alexander Gosslau
- Department of Chemistry and Chemical Biology, Rutgers University, Piscataway, New Jersey 08854-8087, USA.
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