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Wu X, Liang S, Zhu X, Wu X, Dong Z. CoQ10 suppression of oxidative stress and cell senescence increases bone mass in orchiectomized mice. Am J Transl Res 2020; 12:4314-4325. [PMID: 32913507 PMCID: PMC7476121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 07/18/2020] [Indexed: 06/11/2023]
Abstract
Numerous studies support the detrimental effects of oxidative stress and cell senescence on skeletal homeostasis. Coenzyme Q10 (CoQ10) acts as a scavenger for oxidative stress and protects mitochondrial activity from oxidative damage. However, it is unclear whether CoQ10 has a protective effect on osteoporosis caused by orchiectomy. To investigate suppression effect of antioxidant CoQ10 on osteoporosis in orchiectomized (ORX) mice, ORX mice were supplemented with/without CoQ10, and were compared with each other and with sham-operated mice. Our results showed that CoQ10 could prevent ORX-induced bone loss by inhibiting oxidative stress and cell senescence, subsequently promoting osteoblastic bone formation and inhibiting osteoclastic bone resorption. The results of this study not only reveal the mechanism of CoQ10 supplementation in anti-osteoporosis, but also provide experimental and theoretical basis for the clinical application of CoQ10 in the prevention of osteoporosis.
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Affiliation(s)
- Xuan Wu
- Department of Orthopedics, Zhong Da Hospital, School of Medicine, Southeast UniversityNanjing 210009, Jiangsu, China
| | - Shuo Liang
- The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 211166, Jiangsu, China
| | - Xingyu Zhu
- The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 211166, Jiangsu, China
| | - Xiaotao Wu
- Department of Orthopedics, Zhong Da Hospital, School of Medicine, Southeast UniversityNanjing 210009, Jiangsu, China
| | - Zhan Dong
- The Research Center for Bone and Stem Cells, Nanjing Medical UniversityNanjing 211166, Jiangsu, China
- Department of Orthopedics, Children’s Hospital of Nanjing Medical University, Nanjing Medical UniversityNanjing 210008, Jiangsu, China
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Abstract
Recent developments in biomarkers relating to the interrelationship of diet, disease and health were surveyed. Most emphasis was placed on biomarkers of deleterious effects, since these are of greatest relevance to the subject of this review. The area of greatest activity was found to be that relating to biomarkers of mutagenic, genotoxic and carcinogenic effects. This is also one of the major areas of concern in considerations of the beneficial and deleterious effects of dietary components, and also the area in which regulatory testing requires studies of the longest duration. A degree of progress has also been made in the identification and development of biomarkers relating to certain classes of target organ toxicity. Biomarkers for other types of toxicity, such as immunotoxicity, neurotoxicity, reproductive toxicity and developmental toxicity, are less developed, and further investigation in these areas is required before a comprehensive biomarker strategy can be established. A criticism that recurs constantly in the biomarker literature is the lack of standardisation in the methods used, and the lack of reference standards for the purposes of validation and quality control. It is encouraging to note the growing acknowledgement of the need for validation of biomarkers and biomarker assays. Some validation studies have already been initiated. This review puts forward proposals for criteria to be used in biomarker validation. More discussion on this subject is required. It is concluded that the use of biomarkers can, in some cases, facilitate the implementation of the Three Rs with respect to the testing of food chemicals and studies on the effects of diet on health. The greatest potential is seen to be in the refinement of animal testing, in which biomarkers could serve as early and sensitive endpoints, in order to reduce the duration of the studies and also reduce the number of animals required. Biomarkers could also contribute to establishing a mechanistic basis for in vitro test systems and to facilitating their validation and acceptance. Finally, the increased information that could result from the incorporation of biomarker determinations into population studies could reduce the need for supplementary animal studies. This review makes a number of recommendations concerning the prioritisation of future activities on dietary biomarkers in relation to the Three Rs. It is emphasised, however, that further discussions will be required among toxicologists, epidemiologists and others researching the relationship between diet and health.
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Affiliation(s)
- Krys Bottrill
- FRAME, Russell & Burch House, 96–98 North Sherwood Street, Nottingham NG1 4EE, UK
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53
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Zheng S, Tran A, Curry AM, White DS, Cen Y. Convenient synthesis of pyrimidine 2'-deoxyribonucleoside monophosphates with important epigenetic marks at the 5-position. Org Biomol Chem 2020; 18:5164-5173. [PMID: 32584362 DOI: 10.1039/d0ob00884b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Methyl groups of thymine and 5-methylcytosine (5mC) bases in DNA undergo endogenous oxidation damage. Additionally, 5mC residues can be enzymatically deaminated or oxidized through either genetic alterations or the newly identified epigenetic reprogramming pathway. Several methods have been developed to measure the formation of modified DNA nucleobases including 32P-postlabeling. However, the postlabeling method is often limited by the absence of authentic chemical standards. The synthesis of monophosphate standards of nucleotide oxidation products is complicated by the presence of additional functional groups on the modified bases that require complex protection and deprotection strategies. Due to the emerging interest in the pyrimidine oxidation products, the corresponding protected 3'-phosphoramidites needed for solid-phase oligonucleotide synthesis have been reported, and several are commercially available. We report here an efficient synthesis of 3'-monophosphates from 3'-phosphoramidites and the subsequent enzymatic conversion of 3'-monophosphates to the corresponding 5'-monophosphates using commercially available enzymes.
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Affiliation(s)
- Song Zheng
- Department of Pharmaceutical Sciences, Albany College of Pharmacy and Health Sciences, Colchester, VT 05446, USA
| | - Ai Tran
- Department of Pharmaceutical Sciences, Albany College of Pharmacy and Health Sciences, Colchester, VT 05446, USA
| | - Alyson M Curry
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA.
| | - Dawanna S White
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA.
| | - Yana Cen
- Department of Medicinal Chemistry, Virginia Commonwealth University, Richmond, VA 23219, USA. and Institute for Structural Biology, Drug Discovery and Development, Virginia Commonwealth University, Richmond, VA 23219, USA
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Calaf GM, Ponce-Cusi R, Aguayo F, Muñoz JP, Bleak TC. Endocrine disruptors from the environment affecting breast cancer. Oncol Lett 2020; 20:19-32. [PMID: 32565930 PMCID: PMC7286136 DOI: 10.3892/ol.2020.11566] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Accepted: 02/10/2020] [Indexed: 12/12/2022] Open
Abstract
Evaluation of carcinogenic substances from the environment is a challenge for scientists. Recently, a novel approach based on 10 key characteristics of human carcinogens classified by the International Agency for Research on Cancer (IARC) has emerged. Carcinogenesis depends on different mechanisms and factors, including genetic, infectious (bacteria, viruses) and environmental (chemicals) factors. Endocrine disruptors are exogenous chemicals that can interfere and impair the function of the endocrine system due to their interaction with estrogen receptors or their estrogen signaling pathways inducing adverse effects in the normal mammary development, originating cancer. They are heterogeneous chemicals and include numerous synthetic substances used worldwide in agriculture, industry and consumer products. The most common are plasticizers, such as bisphenol A (BPA), pesticides, such as dichlorodiphenyltrichloroethane, and polychlorinated biphenyls (PCBs). Xenoestrogens appear to serve an important role in the increased incidence of breast cancer in the United States and numerous other countries. Several studies have demonstrated the role of organochlorine xenoestrogens in breast cancer. Therefore, the overall cumulative exposure of women to estrogens results in an increased risk for this type of cancer. Factors like lifestyle and diet also serve a role in the increased incidence of this disease. The aim of the present study was to analyze these chemical compounds based on the key characteristics given by the IARC, with a special focus on breast cancer, to establish whether these compounds are carcinogens, and to create a model for future analysis of other endocrine disruptors.
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Affiliation(s)
- Gloria M Calaf
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
- Center for Radiological Research, Columbia University Medical Center, New York, NY 10032, USA
| | - Richard Ponce-Cusi
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
| | - Francisco Aguayo
- Programa de Virología, Instituto de Ciencias Biomédicas, Facultad de Medicina, Universidad de Chile, Santiago 8380000, Chile
- Advanced Center for Chronic Diseases (ACCDiS), Universidad de Chile, Santiago 8380000, Chile
| | - Juan P Muñoz
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
| | - Tammy C Bleak
- Instituto de Alta Investigación, Universidad de Tarapacá, Arica 1000000, Chile
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Abeesh P, Rasmi RR, Guruvayoorappan C. Edible Sword Bean Extract Induces Apoptosis in Cancer Cells In Vitro and Inhibits Ascites and Solid Tumor Development In Vivo. Nutr Cancer 2020; 73:1015-1025. [PMID: 32567370 DOI: 10.1080/01635581.2020.1781202] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Antitumor potential of edible sword bean (Canavalia gladiata (L.)) extract has been evaluated against Daltons lymphoma ascites (DLA) using in vitro and in vivo studies. Methanolic extraction was carried out and in vitro studies were performed against both DLA and A549, lung cancer cell lines. The results revealed that sword bean extract inhibited cell growth and induced apoptosis as evidenced by cytotoxic assay, Hoechst 33342 staining and acridine orange/ethidium bromide dual staining. In vivo studies performed on DLA induced solid as well as ascitic tumors models showed administration of sword bean extract (10 mg/kg B.wt.) could significantly inhibit ascitic and solid tumor development in mice. Therefore, our overall results revealed that C. gladiata treatment could significantly inhibit tumor development and induce apoptosis in tumor cells.
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Affiliation(s)
- Prathapan Abeesh
- Laboratory of Immunopharmacology and Experimental Therapeutics, Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
| | - Rajan Radha Rasmi
- Department of Biotechnology, PSG College of Arts and Science, Coimbatore, Tamil Nadu, India
| | - Chandrasekharan Guruvayoorappan
- Laboratory of Immunopharmacology and Experimental Therapeutics, Division of Cancer Research, Regional Cancer Centre, Thiruvananthapuram, Kerala, India
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56
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Han X, Zhao Y, Hu B, Yang H, Peng Q, Tian R. Influence of different yeast strains on the quality of fermented greengage (Prunus mume) alcoholic beverage and the optimization of fermentation conditions. Lebensm Wiss Technol 2020. [DOI: 10.1016/j.lwt.2020.109292] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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57
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Macar TK, Macar O, Yalçın E, Çavuşoğlu K. Resveratrol ameliorates the physiological, biochemical, cytogenetic, and anatomical toxicities induced by copper(II) chloride exposure in Allium cepa L. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:657-667. [PMID: 31808086 DOI: 10.1007/s11356-019-06920-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Accepted: 10/31/2019] [Indexed: 04/16/2023]
Abstract
Excessive copper (Cu) exposure ultimately results in toxicosis in all organisms. The protective potential of resveratrol compound against the CuCl2 toxicity was evaluated in Allium cepa L. root tip cells. For this aim, A. cepa bulbs were divided into six groups and the groups were treated with tap water, 400 mg/L resveratrol, 800 mg/L resveratrol, 20 μM CuCl2, 400 mg/L resveratrol + 20 μM CuCl2, and 800 mg/L resveratrol + 20 μM CuCl2 solutions, respectively for 72 h. The first group irrigated with tap water was accepted as control. All groups were screened for the germination percentage, root elongation, total bulb weight gain, micronucleus (MN) frequency, mitotic index (MI), chromosomal aberrations, and anatomical changes. Furthermore, superoxide dismutase (SOD) and catalase (CAT) activities as well as malondialdehyde (MDA) level as an indicator of lipid peroxidation were investigated. It was found that CuCl2 exposure alone triggered a definite negative effects on all parameters examined. On the other hand, the groups treated with resveratrol did not have statistically different values compared to the control group. Resveratrol doses induced a remarkable recovery in growth parameters including germination percentage, root elongation, and total bulb weight gain when applied with CuCl2. In these groups, MN frequency, chromosomal aberrations, and anatomical abnormalities were alleviated, whereas the MI levels increased significantly. Moreover, lipid peroxidation level and antioxidant enzyme activities showed a marked amelioration when resveratrol and CuCl2 were applied together. Copper compounds have become common pollutants due to their direct uses as pesticides in agricultural areas as well as their spreading to natural areas from industrial fields. The study clearly demonstrated the therapeutic potential of resveratrol against the harmful effects of CuCl2 exposure in Allium roots. So, resveratrol could be considered as a plant-derived restorative agent for the reduction of the risks from the other copper compounds.
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Affiliation(s)
- Tuğçe Kalefetoğlu Macar
- Şebinkarahisar School of Applied Sciences, Department of Food Technology, Giresun University, 28400, Giresun, Turkey.
| | - Oksal Macar
- Şebinkarahisar School of Applied Sciences, Department of Food Technology, Giresun University, 28400, Giresun, Turkey
| | - Emine Yalçın
- Faculty of Science and Art, Department of Biology, Giresun University, 28049, Giresun, Turkey
| | - Kültiğin Çavuşoğlu
- Faculty of Science and Art, Department of Biology, Giresun University, 28049, Giresun, Turkey
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58
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Cheng R, Loire E, Martens J, Fridgen TD. An IRMPD spectroscopic and computational study of protonated guanine-containing mismatched base pairs in the gas phase. Phys Chem Chem Phys 2020; 22:2999-3007. [DOI: 10.1039/c9cp06393e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Infrared multiple photon dissociation spectroscopy has been used to probe the structures of the three protonated base-pair mismatches containing 9-ethylguanine (9eG) in the gas phase. Some of these protonated base-pairs have been identified in RNA.
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Affiliation(s)
- Ruodi Cheng
- Department of Chemistry
- Memorial University
- St. John's
- Canada
| | - Estelle Loire
- Laboratoire Chimie Physique – CLIO
- Campus Universite d’Orsay
- France
| | - Jonathan Martens
- Radboud University
- Institute for Molecules and Materials
- FELIX Laboratory
- Nijmegen
- The Netherlands
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59
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Gacitúa TA, Sotomayor CG, Groothof D, Eisenga MF, Pol RA, de Borst MH, Gans RO, Berger SP, Rodrigo R, Navis GJ, Bakker SJ. Plasma Vitamin C and Cancer Mortality in Kidney Transplant Recipients. J Clin Med 2019; 8:E2064. [PMID: 31771233 PMCID: PMC6947225 DOI: 10.3390/jcm8122064] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/21/2019] [Accepted: 11/21/2019] [Indexed: 02/07/2023] Open
Abstract
There is a changing trend in mortality causes in kidney transplant recipients (KTR), with a decline in deaths due to cardiovascular causes along with a relative increase in cancer mortality rates. Vitamin C, a well-known antioxidant with anti-inflammatory and immune system enhancement properties, could offer protection against cancer. We aimed to investigate the association of plasma vitamin C with long-term cancer mortality in a cohort of stable outpatient KTR without history of malignancies other than cured skin cancer. Primary and secondary endpoints were cancer and cardiovascular mortality, respectively. We included 598 KTR (mean age 51 ± 12 years old, 55% male). Mean (SD) plasma vitamin C was 44 ± 20 μmol/L. At a median follow-up of 7.0 (IQR, 6.2-7.5) years, 131 patients died, of which 24% deaths were due to cancer. In Cox proportional hazards regression analyses, vitamin C was inversely associated with cancer mortality (HR 0.50; 95%CI 0.34-0.74; P < 0.001), independent of potential confounders, including age, smoking status and immunosuppressive therapy. In secondary analyses, vitamin C was not associated with cardiovascular mortality (HR 1.16; 95%CI 0.83-1.62; P = 0.40). In conclusion, plasma vitamin C is inversely associated with cancer mortality risk in KTR. These findings underscore that relatively low circulating plasma vitamin C may be a meaningful as yet overlooked modifiable risk factor of cancer mortality in KTR.
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Affiliation(s)
- Tomás A. Gacitúa
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Camilo G. Sotomayor
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Dion Groothof
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Michele F. Eisenga
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Robert A. Pol
- Department of Surgery, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands;
| | - Martin H. de Borst
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Rijk O.B. Gans
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Stefan P. Berger
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Ramón Rodrigo
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, Faculty of Medicine, University of Chile, CP 8380453 Santiago, Chile;
| | - Gerjan J. Navis
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
| | - Stephan J.L. Bakker
- Department of Internal Medicine, University Medical Center Groningen, University of Groningen, 9713 GZ Groningen, The Netherlands; (T.A.G.); (D.G.); (M.F.E.); (M.H.d.B.); (S.P.B.); (G.J.N.)
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60
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Ahmad MH, Rahman NA, Kadir FA, Al-Ani LA, Hashim NM, Yehye WA. Design and synthesis of sulfur-containing butylated hydroxytoluene: antioxidant potency and selective anticancer agent. J CHEM SCI 2019. [DOI: 10.1007/s12039-019-1682-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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61
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Zhang Y, Wang Y, Rizvi SFA, Zhang Y, Zhang Y, Liu X, Zhang H. Detection of DNA 3'-phosphatase activity based on exonuclease III-assisted cascade recycling amplification reaction. Talanta 2019; 204:499-506. [DOI: 10.1016/j.talanta.2019.06.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 06/04/2019] [Accepted: 06/08/2019] [Indexed: 12/18/2022]
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62
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MANDAL DIBYENDUSEKHAR, SAMANTA SUDIP, ALZAHRANI ABDULLAHKHAMES, CHATTOPADHYAY JOYDEV. STUDY OF A PREDATOR–PREY MODEL WITH PEST MANAGEMENT PERSPECTIVE. J BIOL SYST 2019. [DOI: 10.1142/s021833901950013x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Recently, pest control has become a very interesting research topic because it is closely associated with agricultural and economic loss. Empirical evidence shows that pest insects are responsible for lower crop production and many other adverse effects on the farming sector. There are several biological, physical and chemical control mechanisms. However, the biological control of pest populations by using natural enemies is one of the most important ecosystem services adopted in agriculture around the world. In the present study, we consider an ecological model consisting of prey (pest) and its natural enemy as the predator. Different system equilibria are obtained, their stability is analyzed, and Hopf bifurcation of the system around the interior equilibrium is discussed. The sufficient permanence criteria of the system are also derived. Moreover, we perform bifurcation analysis to explore the existence of limit cycle. We also investigate the stability property of the positive periodic solution when the interior equilibrium loses its stability. Our analytical results are further verified through numerical simulations. Our findings suggest that, in the absence of a super predator, pest and natural enemy show stable coexistence. However, in the presence of super predator, if the natural enemy is killed at a lower rate, both pest and natural enemy coexist. Finally, above a threshold value, the natural enemy is eradicated from the system and pest outbreak occurs.
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Affiliation(s)
- DIBYENDU SEKHAR MANDAL
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B. T. Road, Kolkata 700108, India
| | - SUDIP SAMANTA
- Department of Mathematics, Faculty of Science & Arts - Rabigh, King Abdulaziz University, Rabigh 25732, Saudi Arabia
- Department of Mathematics, Bankura University, West Bengal 722155, India
| | - ABDULLAH KHAMES ALZAHRANI
- Department of Mathematics, Faculty of Science & Arts - Rabigh, King Abdulaziz University, Rabigh 25732, Saudi Arabia
| | - JOYDEV CHATTOPADHYAY
- Agricultural and Ecological Research Unit, Indian Statistical Institute, 203, B. T. Road, Kolkata 700108, India
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63
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Dai YL, Jiang YF, Lee HG, Jeon YJ, Kang MC. Characterization and screening of anti-tumor activity of fucoidan from acid-processed hijiki (Hizikia fusiforme). Int J Biol Macromol 2019; 139:170-180. [PMID: 31336117 DOI: 10.1016/j.ijbiomac.2019.07.119] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2018] [Revised: 06/14/2019] [Accepted: 07/19/2019] [Indexed: 01/12/2023]
Abstract
The aim of this study was to investigate the antiproliferative effects of fucoidan from three regional hijiki (Hizikia fusiforme) samples (Zhejiang-China, Jeju-Korea [JH], and Wando-Korea) in East Asia. Hijiki was processed using 1% citric acid to decrease heavy metal content. The JH sample was separated using diethylaminoethyl-cellulose-ion exchange chromatography to obtain four active fractions (JHCF1-JHCF4) and their monosaccharide composition was detected using high-performance liquid chromatography. The structure of the crude polysaccharides and four fucoidan fractions was analyzed using Fourier-transform infrared spectroscopy. JHCF4 showed the highest fucose and sulfate content and decreased Hep3B cell growth in 48 h with a half-maximal inhibitory concentration of 33.53 ± 2.50 μg/ml, which represented the strongest anticancer activity. Further, nuclear staining with Hoechst 33342 and acridine orange-ethidium bromide staining demonstrated that the anticancer activity of JHCF4 was mediated by apoptosis. Moreover, JHCF4 down-regulated B-cell lymphoma extra-large, while up-regulating Bcl-2-associated X protein, caspase-3, and apoptotic bodies to different degrees in Hep3B cells. JHCF4 induced apoptosis via the generation of reactive oxygen species along with the concurrent loss of mitochondrial membrane potential, indicating the potential role of the mitochondria-mediated pathway. Therefore, these results indicate that JHCF4 exhibited antiproliferative effects on the investigated cancer cell lines.
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Affiliation(s)
- Yu-Lin Dai
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea; Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, China
| | - Yun-Fei Jiang
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - Hyo Geun Lee
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea
| | - You-Jin Jeon
- Department of Marine Life Science, Jeju National University, Jeju 63243, Republic of Korea; Marine Science Institute, Jeju National University, Jeju Self-Governing Province 63333, Republic of Korea.
| | - Min-Cheol Kang
- Research group of Food Processing, Research Division of Strategic Food Technology, Korea Food Research Institute (KFRI), Wanju 55365, Republic of Korea.
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Rueff J, Rodrigues AS, Kranendonk M. A personally guided tour on some of our data with the Ames assay-A tribute to Professor Bruce Ames. Mutat Res 2019; 846:503094. [PMID: 31585631 DOI: 10.1016/j.mrgentox.2019.503094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 09/03/2019] [Accepted: 09/08/2019] [Indexed: 12/12/2022]
Abstract
In contributing to this Special Issue of Mutation Research dedicated to Professor Bruce N. Ames in recognition of his 90th birthday in December 2018, we intend to portray the importance not only of the Ames Salmonella/mammalian-microsome mutagenicity assay in some of our studies over the years, but also the importance of the insight that Bruce Ames brought to the field of genetic toxicology.
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Affiliation(s)
- J Rueff
- Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Rua Câmara Pestana, nº 6, 1150-008, Lisboa, Portugal.
| | - A S Rodrigues
- Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Rua Câmara Pestana, nº 6, 1150-008, Lisboa, Portugal
| | - M Kranendonk
- Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, NOVA Medical School/Faculdade de Ciências Médicas, Universidade Nova de Lisboa, Rua Câmara Pestana, nº 6, 1150-008, Lisboa, Portugal
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Wang T, McCullough LE, White AJ, Bradshaw PT, Xu X, Cho YH, Terry MB, Teitelbaum SL, Neugut AI, Santella RM, Chen J, Gammon MD. Prediagnosis aspirin use, DNA methylation, and mortality after breast cancer: A population-based study. Cancer 2019; 125:3836-3844. [PMID: 31402456 DOI: 10.1002/cncr.32364] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2018] [Revised: 12/20/2018] [Accepted: 01/07/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND The authors hypothesized that epigenetic changes may help to clarify the underlying biologic mechanism linking aspirin use to breast cancer prognosis. To the authors' knowledge, this is the first epidemiologic study to examine whether global methylation and/or tumor promoter methylation of breast cancer-related genes interact with aspirin use to impact mortality after breast cancer. METHODS Prediagnosis aspirin use was assessed through in-person interviews within a population-based cohort of 1508 women diagnosed with a first primary breast cancer in 1996 and 1997. Global methylation in peripheral blood was assessed by long interspersed elements-1 (LINE-1) and the luminometric methylation assay. Promoter methylation of 13 breast cancer-related genes was measured in tumor by methylation-specific polymerase chain reaction and the MethyLight assay. Vital status was determined by the National Death Index through December 31, 2014 (N = 202/476 breast cancer-specific/all-cause deaths identified among 1266 women with any methylation assessment and complete aspirin data). Cox proportional hazards regression was used to estimate hazard ratios (HRs) and 95% CIs, and the likelihood ratio test was used to evaluate multiplicative interactions. RESULTS All-cause mortality was elevated among aspirin users who had methylated promotor of BRCA1 (HR, 1.67; 95% CI, 1.26-2.22), but not among those with unmethylated promoter of BRCA1 (HR, 0.99; 95% CI, 0.67-1.45; P for interaction ≤.05). Decreased breast cancer-specific mortality was observed among aspirin users who had unmethylated promotor of BRCA1 and PR and global hypermethylation of LINE-1 (HR, 0.60, 0.78, and 0.63, respectively; P for interaction ≤.05), although the 95% CIs included the null. CONCLUSIONS The current study suggests that the LINE-1 global methylation and promoter methylation of BRCA1 and PR in tumor may interact with aspirin use to influence mortality after breast cancer.
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Affiliation(s)
- Tengteng Wang
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
| | | | - Alexandra J White
- Epidemiology Branch, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina
| | - Patrick T Bradshaw
- Division of Epidemiology, University of California, Berkeley, California
| | - Xinran Xu
- Department of Biometrics, Roche Product Development in Asia-Pacific, Shanghai, China
| | - Yoon Hee Cho
- Department of Biomedical and Pharmaceutical Sciences, University of Montana, Missoula, Montana
| | - Mary Beth Terry
- Department of Epidemiology, Columbia University, New York, New York
| | - Susan L Teitelbaum
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Alfred I Neugut
- Department of Epidemiology, Columbia University, New York, New York.,Department of Medicine, Columbia University, New York, New York
| | | | - Jia Chen
- Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, New York
| | - Marilie D Gammon
- Department of Epidemiology, University of North Carolina, Chapel Hill, North Carolina
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Lee H, Kim Y, Yu A, Jin D, Jo A, Lee Y, Kim MH, Lee C. An Efficient Electrochemical Sensor Driven by Hierarchical Hetero-Nanostructures Consisting of RuO 2 Nanorods on WO 3 Nanofibers for Detecting Biologically Relevant Molecules. SENSORS 2019; 19:s19153295. [PMID: 31357512 PMCID: PMC6696473 DOI: 10.3390/s19153295] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 07/17/2019] [Accepted: 07/23/2019] [Indexed: 11/16/2022]
Abstract
By means of electrospinning with the thermal annealing process, we investigate a highly efficient sensing platform driven by a hierarchical hetero-nanostructure for the sensitive detection of biologically relevant molecules, consisting of single crystalline ruthenium dioxide nanorods (RuO2 NRs) directly grown on the surface of electrospun tungsten trioxide nanofibers (WO3 NFs). Electrochemical measurements reveal the enhanced electron transfer kinetics at the prepared RuO2 NRs-WO3 NFs hetero-nanostructures due to the incorporation of conductive RuO2 NRs nanostructures with a high surface area, resulting in improved relevant electrochemical sensing performances for detecting H2O2 and L-ascorbic acid with high sensitivity.
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Affiliation(s)
- Hyerim Lee
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Yeomin Kim
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Areum Yu
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Dasol Jin
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Ara Jo
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea
| | - Youngmi Lee
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Myung Hwa Kim
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea.
| | - Chongmok Lee
- Department of Chemistry & Nanoscience, Ewha Womans University, Seoul 03760, Korea.
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Shafabakhsh R, Asemi Z. Quercetin: a natural compound for ovarian cancer treatment. J Ovarian Res 2019; 12:55. [PMID: 31202269 PMCID: PMC6570913 DOI: 10.1186/s13048-019-0530-4] [Citation(s) in RCA: 124] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Accepted: 06/04/2019] [Indexed: 01/09/2023] Open
Abstract
Ovarian cancer is the main cause of death among all reproductive cancers in females. In 2018, ovarian cancer was the seventh most common cancer of women entire the world. A wide variety of molecular and genetic alterations as well as different response to therapies in the different types of ovarian cancer lead to problems in design a common therapeutic strategy. Besides, ovarian cancer cells have tendency to acquire resistance to common cancer treatments through multiple mechanisms. Various factors, including cytokines, growth factors, proteases, adhesion molecules, coagulation factors, hormones and apoptotic agents have been examined to find effective cancer treatment. Phytochemicals have been indicated to have great potential anti-cancer properties against various types of cancers. Quercetin is one of the phytochemicals that exists extensively in daily foods. Wide evidences revealed that quercetin is able to inhibit various types of cancers including breast, lung, nasopharyngeal, kidney, colorectal, prostate, pancreatic, and ovarian cancer. Several in vitro and in vivo studied conducted to evaluate cytotoxic effects of quercetin on ovarian cancer. Since quercetin does not harm healthy cells and it is cytotoxic to cancer cells via various mechanisms, researchers suggest that it could be an ideal agent for ovarian cancer treatment or an adjuvant agent in combination with other anti-cancer drugs. Thus, in this review, we focused on chemo-preventive and curative attitude of quercetin for ovarian cancer and summarize some of the most recent findings which regard the possible molecular mechanisms by which this natural compound inhibits this cancer.
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Affiliation(s)
- Rana Shafabakhsh
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, IR, Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, IR, Iran.
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Andreescu N, Puiu M, Niculescu M. Effects of Dietary Nutrients on Epigenetic Changes in Cancer. Methods Mol Biol 2019; 1856:121-139. [PMID: 30178249 DOI: 10.1007/978-1-4939-8751-1_7] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Gene-nutrient interactions are important contributors to health management and disease prevention. Nutrition can alter gene expression, as well as the susceptibility to disease, including cancer, through epigenetic changes. Nutrients can influence the epigenetic status through several mechanisms, such as DNA methylation, histone modifications, and miRNA-dependent gene silencing. These alterations were associated with either increased or decreased risk for cancer development. There is convincing evidence indicating that several foods have protective roles in cancer prevention, by inhibiting tumor progression directly or through modifying tumor's microenvironment that leads to hostile conditions favorable to tumor initiation or growth. While nutritional intakes from foods cannot be adequately controlled for dosage, the role of nutrients in the epigenetics of cancer has led to more research aimed at developing nutriceuticals and drugs as cancer therapies. Clinical studies are needed to evaluate the optimum doses of dietary compounds, the safety profile of dosages, to establish the most efficient way of administration, and bioavailability, in order to maximize the beneficial effects already discovered, and to ensure replicability. Thus, nutrition represents a promising tool to be used not only in cancer prevention, but hopefully also in cancer treatment.
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Affiliation(s)
- Nicoleta Andreescu
- Medical Genetics Discipline, Center of Genomic Medicine, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania.
| | - Maria Puiu
- Medical Genetics Discipline, Center of Genomic Medicine, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania
| | - Mihai Niculescu
- Medical Genetics Discipline, Center of Genomic Medicine, University of Medicine and Pharmacy "Victor Babes", Timisoara, Romania
- Advanced Nutrigenomics, Hillsborough, NC, USA
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Chen Z, Zhang S, Shao J, Su F. Synthesis, structure, and in vitro antigastric cancer activity evaluation of two new Zn(II) and Cd(II)-organic frameworks. J COORD CHEM 2019. [DOI: 10.1080/00958972.2019.1617416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Zongnan Chen
- Department of General Surgery, Tianjin Fifth Central Hospital, Tianjin, China
| | - Shupeng Zhang
- Department of General Surgery, Tianjin Fifth Central Hospital, Tianjin, China
| | - Jianping Shao
- Department of General Surgery, Tianjin Fifth Central Hospital, Tianjin, China
| | - Feng Su
- Department of General Surgery, Tianjin Fifth Central Hospital, Tianjin, China
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Andrade JCBN, Gatto M, Rodrigues DR, Soares ÂMVDC, Calvi SA. Cryptococcus neoformans and gattii promote DNA damage in human peripheral blood mononuclear cells. Med Mycol 2019. [PMID: 28633410 DOI: 10.1093/mmy/myx046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Cryptococcosis, a systemic mycosis capable of disseminating to the central nervous system with frequent lethal effects, is caused by the species Cryptococus neoformans and Cryptococcus gattii. Several infectious agents such as virus, bacteria, and parasites may be associated to DNA damage and carcinogenesis in humans. Products of the oxidative metabolism, such as NO, produced as a host defense mechanism to destroy these pathogens, have been implicated in this damage process, due to excessive production related to an established chronic inflammatory response. Here, we investigated whether C. neoformans and /or C. gattii can cause DNA damage in human peripheral blood mononuclear cells (PBMCs) and whether this process is related to NO levels produced by PBMCs. We found that both species are equally able to induce genotoxicity in PBMCs. However, an association between DNA damage and high NO levels was only detected in relation to C. gattii. The results point to the possibility that patients with cryptococcosis are more susceptible to the development of other diseases.
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Affiliation(s)
| | - Mariana Gatto
- Botucatu School of Medicine - UNESP, Campus Botucatu, Tropical Diseases Department, São Paulo, Brazil
| | - Daniela Ramos Rodrigues
- Biosciences Institute - UNESP, Campus Botucatu, Microbiology and Immunology Department, São Paulo, Brazil
| | | | - Sueli Aparecida Calvi
- Botucatu School of Medicine - UNESP, Campus Botucatu, Tropical Diseases Department, São Paulo, Brazil
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TrxR1, Gsr, and oxidative stress determine hepatocellular carcinoma malignancy. Proc Natl Acad Sci U S A 2019; 116:11408-11417. [PMID: 31097586 DOI: 10.1073/pnas.1903244116] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Thioredoxin reductase-1 (TrxR1)-, glutathione reductase (Gsr)-, and Nrf2 transcription factor-driven antioxidant systems form an integrated network that combats potentially carcinogenic oxidative damage yet also protects cancer cells from oxidative death. Here we show that although unchallenged wild-type (WT), TrxR1-null, or Gsr-null mouse livers exhibited similarly low DNA damage indices, these were 100-fold higher in unchallenged TrxR1/Gsr-double-null livers. Notwithstanding, spontaneous cancer rates remained surprisingly low in TrxR1/Gsr-null livers. All genotypes, including TrxR1/Gsr-null, were susceptible to N-diethylnitrosamine (DEN)-induced liver cancer, indicating that loss of these antioxidant systems did not prevent cancer cell survival. Interestingly, however, following DEN treatment, TrxR1-null livers developed threefold fewer tumors compared with WT livers. Disruption of TrxR1 in a marked subset of DEN-initiated cancer cells had no effect on their subsequent contributions to tumors, suggesting that TrxR1-disruption does not affect cancer progression under normal care, but does decrease the frequency of DEN-induced cancer initiation. Consistent with this idea, TrxR1-null livers showed altered basal and DEN-exposed metabolomic profiles compared with WT livers. To examine how oxidative stress influenced cancer progression, we compared DEN-induced cancer malignancy under chronically low oxidative stress (TrxR1-null, standard care) vs. elevated oxidative stress (TrxR1/Gsr-null livers, standard care or phenobarbital-exposed TrxR1-null livers). In both cases, elevated oxidative stress was correlated with significantly increased malignancy. Finally, although TrxR1-null and TrxR1/Gsr-null livers showed strong Nrf2 activity in noncancerous hepatocytes, there was no correlation between malignancy and Nrf2 expression within tumors across genotypes. We conclude that TrxR1, Gsr, Nrf2, and oxidative stress are major determinants of liver cancer but in a complex, context-dependent manner.
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Massari F, Mollica V, Di Nunno V, Gatto L, Santoni M, Scarpelli M, Cimadamore A, Lopez-Beltran A, Cheng L, Battelli N, Montironi R, Brandi G. The Human Microbiota and Prostate Cancer: Friend or Foe? Cancers (Basel) 2019; 11:E459. [PMID: 30935126 PMCID: PMC6521295 DOI: 10.3390/cancers11040459] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 03/21/2019] [Accepted: 03/26/2019] [Indexed: 02/06/2023] Open
Abstract
The human microbiome is gaining increasing attention in the medical community, as knowledge on its role not only in health but also in disease development and response to therapies is expanding. Furthermore, the connection between the microbiota and cancer, especially the link between the gut microbiota and gastrointestinal tumors, is becoming clearer. The interaction between the microbiota and the response to chemotherapies and, more recently, to immunotherapy has been widely studied, and a connection between a peculiar type of microbiota and a better response to these therapies and a different incidence in toxicities has been hypothesized. As knowledge on the gut microbiota increases, interest in the residing microbial population in other systems of our body is also increasing. Consequently, the urinary microbiota is under evaluation for its possible implications in genitourinary diseases, including cancer. Prostate cancer is the most common cancer in the male population; thus, research regarding its etiology and possible factors correlated to disease progression or the response to specific therapies is thriving. This review has the purpose to recollect the current knowledge on the relationship between the human microbiota and prostate cancer.
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Affiliation(s)
- Francesco Massari
- Division of Oncology, S. Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Veronica Mollica
- Division of Oncology, S. Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Vincenzo Di Nunno
- Division of Oncology, S. Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | - Lidia Gatto
- Division of Oncology, S. Orsola-Malpighi Hospital, 40138 Bologna, Italy.
| | | | - Marina Scarpelli
- Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, 60126 Ancona, Italy.
| | - Alessia Cimadamore
- Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, 60126 Ancona, Italy.
| | | | - Liang Cheng
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN 46202, USA.
| | | | - Rodolfo Montironi
- Section of Pathological Anatomy, Polytechnic University of the Marche Region, School of Medicine, United Hospitals, 60126 Ancona, Italy.
| | - Giovanni Brandi
- Oncology Unit, Department of Experimental, Diagnostic and Specialty Medicine, Sant'Orsola-Malpighi Hospital, University of Bologna, 40138 Bologna, Italy.
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Anti-tubulin agents of natural origin: Targeting taxol, vinca, and colchicine binding domains. Eur J Med Chem 2019; 171:310-331. [PMID: 30953881 DOI: 10.1016/j.ejmech.2019.03.025] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 03/09/2019] [Accepted: 03/10/2019] [Indexed: 12/24/2022]
Abstract
Microtubules are a protein which is made of α- and β-heterodimer. It is one of the main components of the cell which play a vital role in cell division especially in G2/M-phase. It exists in equilibrium dynamic of polymerization and depolymerization of α- and β-heterodimer. It is one of the best targets for developing anti-cancer drugs. Various natural occurring molecules are well known for their anti-tubulin effect such as vinca, paclitaxel, combretastatin, colchicine etc. These microtubule-targeted drugs are acted through two processes (i) inhibiting depolymerization of tubulin (tubulin stabilizing agents) and (ii) inhibiting polymerization of tubulin (tubulin destabilizing agents). Now days, various binding domains have been explore through which these molecules are binding to tubulin but the three major binding domain of tubulin are taxol, vinca and colchicine binding domain. The present article mainly focus on the classification of various naturally occurring compounds on the basis of their inhibition processes (depolymerization and polymerization) and the site of interaction (targets taxol, vinca and colchicine binding domain) which has been hitherto reported. By placing all the naturally occurring taxol, vinca and colchicine binding site analogues at one place makes a better understanding of the tubulin interactions with known natural tubulin binders that would helps in the discovery of new and potent natural, semi-synthetic and synthetic analogues for treating cancer.
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Kaushik M, Mahendru S, Chaudhary S, Kumar M, Kukreti S. Prerequisite of a Holistic Blend of Traditional and Modern Approaches of Cancer Management. CURRENT CANCER THERAPY REVIEWS 2019. [DOI: 10.2174/1573394714666180417160750] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
With the advent of changes in lifestyle of people all around the world,
cancer cases have been showing an exponential rise. Researchers from varied fields have been trying
to solve this tricky issue.
Methods:
We undertook a systematic search of bibliographic databases of peer-reviewed research
literature to evaluate the holistic blend of modern and traditional approaches, especially the
Ayurvedic perspective of treatment of cancer along with the effect of our diet and lifestyle on the
management (both prevention and cure) of cancer.
Results:
On the basis of extensive literature survey, it was found that Ayurveda as one of the ancient
medicinal systems had been very well documented for utilizing its best practices for the
treatment of various diseases including cancer, by utilization of several herbal plants and dietary
interventions as therapeutics. Active components present in various herbs, which interfere with
certain molecular targets to inhibit carcinogenesis are also summarized. Further, beneficial effects
of yoga and exercise on psychological distress, cancer-related fatigue and global side-effects as
well as their mechanism of action are also discussed. In addition, we recapitulate an upcoming
field of Ayurgenomics to understand the possible correlation of Prakriti with genetics as well as
epigenetics.
Conclusion:
Both genetic as well as environmental factors have shown their linkage with cancer.
Substantial advancements in the field of targeted therapies have opened new horizons for the cancer
patients. To fight with this grave situation, a combination of ancient and modern medicinal
systems seems to be the need of the hour.
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Affiliation(s)
- Mahima Kaushik
- Department of Chemistry, University of Delhi, Delhi, India
| | - Swati Mahendru
- Department of Chemistry, University of Delhi, Delhi, India
| | | | - Mohan Kumar
- Department of Chemistry, University of Delhi, Delhi, India
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Ceran MU, Tasdemir U, Colak E, Güngör T. Can complete blood count inflammatory parameters in epithelial ovarian cancer contribute to prognosis? - a survival analysis. J Ovarian Res 2019; 12:16. [PMID: 30744662 PMCID: PMC6371536 DOI: 10.1186/s13048-019-0491-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2018] [Accepted: 01/30/2019] [Indexed: 12/25/2022] Open
Abstract
Subjective The aim of the present study was to investigate the prognostic significance of preoperative complete blood count inflammatory markers in women operated for invasive Epithelial Ovarian Cancer (EOC). Method Two hundred forty four patients that underwent operation with the diagnosis of invasive EOC between 2006 and 2014 were included in the study. The date of operation, date of recurrence and final mortality evaluations were performed for survival analysis. The sensitivity, specificity, PPV and NPV were separately calculated with ROC analysis. Survival analysis was carried out with Kaplan Meier-Log Rank Method. Results Five-years overall survival rate was 56, 9% and 5-year disease-free survival (DFS) rate was 45,5%. Advanced disease stage, moderate-poor tumor differentiation, and the presence of recurrence were determined to have significant inverse relation at mean survival and 5-year survival rates. Neutrophil/lymphocyte ratio (NLR) and Platelet lymphocyte ratio (PLR) had prognostic effect on both DFS and overall survival based upon the cut-off values determined in the study (PLR = 231, s36, NLR = 3,83). Histopathological subtypes were not found to have any prognostic value. In correlation analysis, PLR and NLR had positive correlation with each other and negative correlation with overall survival. Conclusions Inflammatory markers such as NLR and PLR have independent prognostic value for women who undergo surgery for invasive EOC.
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Affiliation(s)
- Mehmet Ufuk Ceran
- Department of Gynecology and Obstetrics, Baskent University School of Medicine, Konya Medical and Research Center, Selcuklu, Konya, Turkey.
| | - Umit Tasdemir
- Department of Gynecology and Obstetrics, Baskent University School of Medicine, Konya Medical and Research Center, Selcuklu, Konya, Turkey
| | - Eser Colak
- Department of Gynecology and Obstetrics, Baskent University School of Medicine, Konya Medical and Research Center, Selcuklu, Konya, Turkey
| | - Tayfun Güngör
- Department of Gynecologic Oncology, Zekai Tahir Burak Women's Health, Education and Research Hospital, Ankara, Turkey
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Grzesik M, Bartosz G, Dziedzic A, Narog D, Namiesnik J, Sadowska-Bartosz I. Antioxidant properties of ferrous flavanol mixtures. Food Chem 2018; 268:567-576. [DOI: 10.1016/j.foodchem.2018.06.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 06/12/2018] [Accepted: 06/18/2018] [Indexed: 01/08/2023]
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Zhang L, Chen S, Wang B, Su Y, Li S, Liu G, Zhang X. An eight‐long noncoding RNA expression signature for colorectal cancer patients’ prognosis. J Cell Biochem 2018; 120:5636-5643. [DOI: 10.1002/jcb.27847] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Accepted: 09/17/2018] [Indexed: 12/25/2022]
Affiliation(s)
- Lin Zhang
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Shuo Chen
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Boxue Wang
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Yinan Su
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Shuyuan Li
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Guisheng Liu
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
| | - Xipeng Zhang
- Department of Anal and Intestinal Surgery Tianjin Union Medical Center Tianjin China
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Ediriweera MK, Tennekoon KH, Samarakoon SR. In vitro assays and techniques utilized in anticancer drug discovery. J Appl Toxicol 2018; 39:38-71. [DOI: 10.1002/jat.3658] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 06/01/2018] [Accepted: 06/04/2018] [Indexed: 12/12/2022]
Affiliation(s)
- Meran Keshawa Ediriweera
- Institute of Biochemistry, Molecular Biology and Biotechnology; University of Colombo; Colombo 03 Sri Lanka
| | - Kamani Hemamala Tennekoon
- Institute of Biochemistry, Molecular Biology and Biotechnology; University of Colombo; Colombo 03 Sri Lanka
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Uchiyama S, Noguchi M, Takagi N, Hayashida H, Inaba Y, Ogura H, Kunugita N. Simple Determination of Gaseous and Particulate Compounds Generated from Heated Tobacco Products. Chem Res Toxicol 2018; 31:585-593. [PMID: 29863851 DOI: 10.1021/acs.chemrestox.8b00024] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
As a new form of cigarettes, heated tobacco products (HTPs) have been rapidly distributed worldwide. In this study, an improved method for analyzing gaseous and particulate compounds generated from HTPs is described. Smoke is collected using a GF-CX572 sorbent cartridge with 300 mg of carbon molecular sieves, that is, Carboxen 572 (CX572), and a 9 mm glass-fiber filter (GF). After collection, the CX572 particles from the cartridge are transferred along with the GF and deposited into a vial containing two phases of carbon disulfide and methanol. The CX572 particles settle into the lower carbon disulfide phase, while nonpolar compounds are desorbed. After the sample is allowed to stand, the solution is slowly stirred. The two-phase mixture of carbon disulfide and methanol is combined into a homogeneous solution. Polar compounds are then desorbed, while the desorbed nonpolar compounds remain in solution. For the analysis of carbonyl compounds, an enriched 2,4-dinitrophenylhydrazine solution is added to a portion of the combined solution for derivatization and subsequent high-performance liquid chromatography analysis. For the analysis of volatile organic compounds and water, a portion of the combined solution is analyzed by gas chromatography-mass spectrometry or equipped with a thermal conductivity detector. By applying the proposed GF-CX572 one-cartridge method to the analysis of the mainstream smoke generated from HTPs and traditional cigarettes, several chemical compounds are detected, and the chemical composition of smoke is revealed. The GF-CX572 one-cartridge method can analyze gaseous and particulate chemical compounds from the HTP smoke by utilizing not only the entire puff volume but also one puff volume because the GF-CX-572 cartridge can be replaced with a new cartridge within 3 s. An overview of the chemicals generated from HTPs is obtained in detail by one-puff volume sampling. In addition, the generated chemical compounds strongly depend on the temperature of tobacco leaves in HTPs.
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Affiliation(s)
- Shigehisa Uchiyama
- Department of Environmental Health , National Institute of Public Health , 2-3-6, Minami , Wako-shi , Saitama 351-0197 , Japan
| | | | | | | | - Yohei Inaba
- Department of Environmental Health , National Institute of Public Health , 2-3-6, Minami , Wako-shi , Saitama 351-0197 , Japan
| | | | - Naoki Kunugita
- Department of Environmental Health , National Institute of Public Health , 2-3-6, Minami , Wako-shi , Saitama 351-0197 , Japan
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Iida S, Yamamoto Y, Susa C, Tsukui K, Fujisawa A. 5- N-Carboxyimino-6- N-chloroaminopyrimidine-2,4(3 H)-dione as a hypochlorite-specific oxidation product of uric acid. J Clin Biochem Nutr 2018; 63:85-89. [PMID: 30279617 PMCID: PMC6160727 DOI: 10.3164/jcbn.18-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 01/31/2018] [Indexed: 01/11/2023] Open
Abstract
Although uric acid is known to react with many reactive oxygen species, its specific oxidation products have not been fully characterized. We now report that 5-N-carboxyimino-6-N-chloroaminopyrimidine-2,4(3H)-dione (CCPD) is a hypochlorite (ClO-)-specific oxidation product of uric acid. The yield of CCPD was 40-70% regardless of the rate of mixing of ClO- with uric acid. A previously reported product, allantoin (AL), was a minor product. Its yield (0-20%) decreased with decreasing rate of mixing of ClO- with uric acid, indicating that allantoin is less important in vivo. Kinetic studies revealed that the formation of CCPD required two molecules of ClO- per uric acid reacted. The identity of CCPD was determined from its molecular formula (C5H3ClN4O4) measured by LC/time-of-flight mass spectrometry and a plausible reaction mechanism. This assumption was verified by the fact that all mass fragments (m/z -173, -138, -113, and -110) fit with the chemical structure of CCPD and its tautomers. Isolated CCPD was stable at pH 6.0-8.0 at 37°C for at least 6 h. The above results and the fact that uric acid is widely distributed in the human body at relatively high concentrations indicate that CCPD is a good marker of ClO- generation in vivo.
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Affiliation(s)
- Sayaka Iida
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Yorihiro Yamamoto
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Chisato Susa
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Kana Tsukui
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Akio Fujisawa
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
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81
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Cooperman AM, Iskandar ME, Wayne MG, Steele JG. Prevention and Early Detection of Pancreatic Cancer. Surg Clin North Am 2018; 98:1-12. [DOI: 10.1016/j.suc.2017.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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82
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Demirci S, Ozsaran Z, Celik HA, Aras AB, Aydin HH. The interaction between antioxidant status and cervical cancer: A case control study. TUMORI JOURNAL 2018; 97:290-5. [DOI: 10.1177/030089161109700306] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Aims and background To compare the antioxidant status of cervical cancer patients with healthy controls and to assess the antioxidant levels before and after radiotherapy or radiochemotherapy Methods and study design Antioxidant levels (glutathione, glutathione peroxidase, superoxide dismutase, and malondialdehyde) were measured in 35 patients with cervical cancer and 35 age-matched healthy controls. Blood samples were collected twice (before and after treatment) from cervical cancer patients and once from healthy control subjects. Results In the patient group, pre-radiotherapy glutathione and glutathione peroxidase levels were significantly lower (P<0.01 and P<0.0001, respectively) than the control group. Pre-radiotherapy levels of superoxide dismutase were significantly higher in cancer patients (P<0.01). In general, no difference was observed between pre- and post-radiotherapy antioxidant levels in cancer patients. However, when post-radiotherapy glutathione levels were analyzed, patients who did not respond to treatment had significantly higher levels than those who did respond (P <0.01). Conclusions Levels of antioxidants significantly differed between the patients with cervical cancer and the controls, and no change in antioxidant levels was observed after treatment. Moreover, further studies evaluating the predictive value of glutathione levels on treatment response are warranted.
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Affiliation(s)
- Senem Demirci
- Department of Radiation Oncology, Ege University Faculty of Medicine, Bornova, Izmir, Turkey
| | - Zeynep Ozsaran
- Department of Radiation Oncology, Ege University Faculty of Medicine, Bornova, Izmir, Turkey
| | - Handan Ak Celik
- Department of Medical Biochemistry, Ege University Faculty of Medicine, Bornova, Izmir, Turkey
| | - Arif Bulent Aras
- Department of Radiation Oncology, Ege University Faculty of Medicine, Bornova, Izmir, Turkey
| | - Hikmet Hakan Aydin
- Department of Medical Biochemistry, Ege University Faculty of Medicine, Bornova, Izmir, Turkey
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83
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Ma Y, Brusselaers N. Maintenance use of aspirin or other non-steroidal anti-inflammatory drugs (NSAIDs) and prostate cancer risk. Prostate Cancer Prostatic Dis 2017; 21:147-152. [DOI: 10.1038/s41391-017-0021-x] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Accepted: 09/16/2017] [Indexed: 12/28/2022]
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84
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Kawai Y, Nuka E. Abundance of DNA adducts of 4-oxo-2-alkenals, lipid peroxidation-derived highly reactive genotoxins. J Clin Biochem Nutr 2017; 62:3-10. [PMID: 29362517 PMCID: PMC5773838 DOI: 10.3164/jcbn.17-90] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2017] [Accepted: 10/20/2017] [Indexed: 12/26/2022] Open
Abstract
Reactive oxygen species and their reaction products can damage DNA to form mutagenic lesions. Among the reactive species, lipid peroxidation-derived aldehydes react with nucleobases and form bulky exocyclic adducts. Many types of aldehyde-derived DNA adducts have been characterized, identified and detected in vitro and in vivo, whereas relative quantitative and pathophysiological contributions of each adduct still remain unclear. In recent years, an abundant class of DNA adducts derived from 4-oxo-2-alkenals have been identified, in addition to classic aldehyde-derived adducts. The presence of 4-oxo-2-alkenal-derived DNA adducts associated with age-related diseases has been revealed in rodents and humans. In vitro studies have demonstrated that 4-oxo-2-alkenals, as compared with other classes of lipid peroxidation-derived aldehydes, are highly reactive with nucleobases. It has been generally recognized that 4-oxo-2-alkenals are generated through oxidative degradation of the corresponding 4-hydroperoxy-2-alkenals, homolytic degradation products of polyunsaturated fatty acid hydroperoxides. Our recent results have also shown an alternative pathway for the formation of 4-oxo-2-alkenals, in which 2-alkenals could undergo the metal-catalyzed autoxidation resulting in the formation of the corresponding 4-oxo-2-alkenals. This review summarizes the basis of the formation of lipid peroxidation-derived genotoxic aldehydes and their covalent adduction to nucleobases, especially focusing on the abundance of 4-oxo-2-alkenal-derived DNA adducts.
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Affiliation(s)
- Yoshichika Kawai
- Department of Food Science, Graduate School of Biomedical Science, Tokushima University, Kuramoto-cho 3-18-15, Tokushima 770-8503, Japan
| | - Erika Nuka
- Department of Food Science, Graduate School of Biomedical Science, Tokushima University, Kuramoto-cho 3-18-15, Tokushima 770-8503, Japan
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85
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Research and Development of Atractylodes lancea (Thunb) DC. as a Promising Candidate for Cholangiocarcinoma Chemotherapeutics. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2017; 2017:5929234. [PMID: 29348769 PMCID: PMC5733893 DOI: 10.1155/2017/5929234] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/19/2017] [Accepted: 10/11/2017] [Indexed: 01/08/2023]
Abstract
Treatment and control of cholangiocarcinoma (CCA): the bile duct cancer is limited by the lack of effective chemotherapeutic drugs and alternative drugs are needed, particularly those from natural sources. This article reviews steps of research and development of Atractylodes lancea (Thunb) DC. (AL) as potential candidate for CCA chemotherapy, with adoption of the reverse pharmacology approach. Major steps include (1) reviewing of existing information on its phytochemistry and pharmacological properties, (2) screening of its activities against CCA, (3) standardization of AL, (4) nonclinical studies to evaluate anti-CCA activities, (5) phytochemistry and standardization of AL extract, (6) development of oral pharmaceutical formulation of standardized AL extract, and (7) toxicity testing of oral pharmaceutical formulation of standardized AL extract. Results from a series of our study confirm anti-CCA potential and safety profiles of both the crude extract and the finished product (oral pharmaceutical formulation of the standardized AL extract). Phases I and II clinical trials of the product to confirm tolerability and efficacy in healthy subjects and patients with advanced stage CCA will be carried out soon.
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86
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Chandran J, Aravind UK, Aravindakumar CT. Mass Spectrometric Characterization of Sonochemical Transformation Products of 2’-Deoxycytidine under Aerated Conditions: Direct Observation of Hydroxyhydroperoxide and Glycol. ChemistrySelect 2017. [DOI: 10.1002/slct.201700925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jisha Chandran
- Inter University Instrumentation Centre (IUIC); Mahatma Gandhi University; Kottayam, Kerala India
| | - Usha K. Aravind
- Advanced Centre of Environmental Studies and Sustainable Development (ACESSD); Mahatma Gandhi University; Kottayam, Kerala India
| | - Charuvila T. Aravindakumar
- Inter University Instrumentation Centre (IUIC); Mahatma Gandhi University; Kottayam, Kerala India
- Advanced Centre of Environmental Studies and Sustainable Development (ACESSD); Mahatma Gandhi University; Kottayam, Kerala India
- School of Environmental Sciences; Mahatma Gandhi University; Kottayam, Kerala India
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87
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El-Yazbi AF, Wong A, Loppnow GR. A luminescent probe of mismatched DNA hybridization: Location and number of mismatches. Anal Chim Acta 2017; 994:92-99. [DOI: 10.1016/j.aca.2017.09.036] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 01/22/2023]
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88
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Campbell TC. Cancer Prevention and Treatment by Wholistic Nutrition. JOURNAL OF NATURE AND SCIENCE 2017; 3:e448. [PMID: 29057328 PMCID: PMC5646698] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Cancer is traditionally considered a genetic disease. It starts with a gene mutation, often caused by environmental carcinogens that are enzymatically activated to metabolites that covalently bind to DNA. If these now-damaged carcinogen-DNA adducts are not repaired before the cell replicates, they result in a mutation, which is inherited by daughter cells and their subsequent progeny. Still more mutations are added that are thought to advance cellular independence, metastasis, and drug resistance, among other characteristics typically observed for advanced cancer. The stages of initiation, promotion and progression of cancer by mutations infer irreversibility because back mutations are exceedingly rare. Thus, treatment protocols typically are designed to remove or kill cancer cells by surgery, chemotherapy, immunotherapy and/or radiotherapy. However, empirical evidence has existed to show a fundamentally different treatment option. For example, the promotion of cancer growth and development in laboratory animals initiated by a powerful mutagen/carcinogen can be repetitively turned on and off by non-mutagenic mechanisms, even completely, by modifying the consumption of protein at relevant levels of intake. Similar but less substantiated evidence also exists for other nutrients and other cancer types. This suggests that ultimate cancer development is primarily a nutrition-responsive disease rather than a genetic disease, with the understanding that nutrition is a comprehensive, wholistic biological effect that reflects the natural contents of nutrients and related substances in whole, intact food. This perspective sharply contrasts with the contemporary inference that nutrition is the summation of individual nutrients acting independently. The spelling of 'holism' with the 'w' is meant to emphasize the empirical basis for this function. The proposition that wholistic nutrition controls and even reverses disease development suggests that cancer may be treated by nutritional intervention.
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Affiliation(s)
- T Colin Campbell
- Division of Nutritional Sciences, Cornell University, Ithaca, NY 14850, USA
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89
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Karataylı R, Gül Zamani A, Gezginç K, Tuncez E, Soysal S, Karanfil F, Acar A, Yıldırım MS. Micronuclei frequencies in lymphocytes and cervical cells of women with polycystic ovarian syndrome. Turk J Obstet Gynecol 2017; 14:151-155. [PMID: 29085703 PMCID: PMC5651888 DOI: 10.4274/tjod.10734] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 09/16/2017] [Indexed: 12/01/2022] Open
Abstract
Objective: The aim of this study was to determine micronucleus (MN) frequencies in exfoliated cervical cells and peripheral blood lymphocytes of women with polycystic ovarian syndrome (PCOS). Materials and Methods: Fifteen patients with PCOS and 11 healthy control patients were included in the study. Cervical smears and peripheral blood were collected from all patients. Specimens were analyzed for MN frequencies and compared between the groups. In addition to MN, other nuclear anomalies connected with both genotoxicity and cytotoxicity were evaluated. Results: The MN frequencies in cervical smear and peripheral blood lymphocytes were compared in patients with PCOS and normal controls. There was no statistically significant difference between the groups regarding micronucleus frequency in peripheral blood lymphocytes (p=0.239). The mean MN scores in exfoliated cervical cells of patients with PCOS and normal controls were 1.19±0.57 and 0.74±0.34, respectively. The difference regarding micronucleus frequencies in cervical cells was statistically significant between the groups (p=0.032). Conclusion: Although study group is small, our study results support that there is an increased micronucleus frequency in cervical exfoliated cells of PCOS patients; this is a determinant of genetic hazard in the disease.
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Affiliation(s)
- Rengin Karataylı
- Konya Private Selçuklu Hospital, Clinic of Obstetrics and Gynecology, Konya, Turkey
| | - Ayşe Gül Zamani
- Necmettin Erbakan University Meram Faculty of Medicine, Department of Medical Genetics, Konya, Turkey
| | - Kazım Gezginç
- Necmettin Erbakan University Meram Faculty of Medicine, Department of Obstetrics and Gynecology, Konya, Turkey
| | - Ebru Tuncez
- Şanlıurfa Pediatric Disease Hospital, Clinic of Medical Genetics, Şanlıurfa, Turkey
| | - Sema Soysal
- Necmettin Erbakan University Meram Faculty of Medicine, Department of Medical Education and Informatics, Konya, Turkey
| | - Fikriye Karanfil
- University of Health Sciences, Konya Training and Research Hospital, Clinic of Obstetrics and Gynecology, Konya, Turkey
| | - Aynur Acar
- İstanbul Bilim University Faculty of Science, Department of Molecular Biology and Genetics, İstanbul, Turkey
| | - M Selman Yıldırım
- Necmettin Erbakan University Meram Faculty of Medicine, Department of Medical Genetics, Konya, Turkey
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Iida S, Ohkubo Y, Yamamoto Y, Fujisawa A. Parabanic acid is the singlet oxygen specific oxidation product of uric acid. J Clin Biochem Nutr 2017; 61:169-175. [PMID: 29203957 PMCID: PMC5703782 DOI: 10.3164/jcbn.17-24] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 05/16/2017] [Indexed: 12/26/2022] Open
Abstract
Uric acid quenches singlet oxygen physically or reacts with it, but the oxidation product has not been previously characterized. The present study determined that the product is parabanic acid, which was confirmed by LC/TOFMS analysis. Parabanic acid was stable at acidic pH (<5.0), but hydrolyzed to oxaluric acid at neutral or alkaline pH. The total yields of parabanic acid and oxaluric acid based on consumed uric acid were ~100% in clean singlet oxygen production systems such as UVA irradiation of Rose Bengal and thermal decomposition of 3-(1,4-dihydro-1,4-epidioxy-4-methyl-1-naphthyl)propionic acid. However, the ratio of the amount of uric acid consumed to the total amount of singlet oxygen generated was less than 1/180, indicating that most of the singlet oxygen was physically quenched. The total yields of parabanic acid and oxaluric acid were high in the uric acid oxidation systems with hydrogen peroxide plus hypochlorite or peroxynitrite. They became less than a few percent in peroxyl radical-, hypochlorite- or peroxynitrite-induced oxidation of uric acid. These results suggest that parabanic acid could be an in vivo probe of singlet oxygen formation because of the wide distribution of uric acid in human tissues and extracellular spaces. In fact, sunlight exposure significantly increased human skin levels of parabanic acid.
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Affiliation(s)
- Sayaka Iida
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Yuki Ohkubo
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Yorihiro Yamamoto
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
| | - Akio Fujisawa
- School of Bioscience and Biotechnology, Tokyo University of Technology, 1404-1 Katakura-cho, Hachioji, Tokyo 192-0982, Japan
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91
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Jaradat N, AlMasri M, Zaid AN, Othman DG. Pharmacological and phytochemical screening of Palestinian traditional medicinal plants Erodium laciniatum and Lactuca orientalis. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2017; 15:/j/jcim.ahead-of-print/jcim-2017-0059/jcim-2017-0059.xml. [PMID: 28865203 DOI: 10.1515/jcim-2017-0059] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2017] [Accepted: 06/28/2017] [Indexed: 12/20/2022]
Abstract
BACKGROUND Various epidemiological studies showed that herbal remedies containing polyphenols may protect against various diseases such as cancers, vascular diseases and inflammatory pathologies. Currently, such groups of bioactive compounds have become a subject of many antimicrobials and antioxidant investigations. Accordingly, the current study aimed to conduct biological and phytochemical screening for two Palestinian traditional medicinal plants, Erodium laciniatum and Lactuca orientalis. METHODS Current plants phytoconstituents and their antioxidant activities were evaluated by using standard phytochemical methods; meanwhile, antimicrobial activities were estimated by using several types of American Type Culture Collection and multidrug resistant clinical isolates by using agar diffusion well-variant, agar diffusion disc-variant and broth microdilution methods. RESULTS Phytochemical screenings showed that L. orientalis and E. laciniatum contain mixtures of secondary and primary metabolites Moreover, total flavonoid, tannins and phenols content in E. laciniatum extract were higher than the L. orientalis extracts with almost the same antioxidant potentials. Additionally, both plants organic and aqueous extracts showed various potentials of antimicrobial activity Conclusions: Overall, the studied species have a mixture of phytochemicals, flavonoids, phenols and tannins also have antioxidant and antimicrobial activities which approved their folk uses in treatments of infectious and Alzheimer diseases and simultaneously can be used as therapeutic agents in the pharmaceutical industries.
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Affiliation(s)
- Nidal Jaradat
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Motasem AlMasri
- Department of Biology and Biotechnology, Faculty of Science, An-Najah National University, Nablus, Palestine
| | - Abdel Naser Zaid
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
| | - Dua'a Ghazi Othman
- Department of Pharmacy, Faculty of Medicine and Health Sciences, An-Najah National University, Nablus, Palestine
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92
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C-reactive protein binds to integrin α2 and Fcγ receptor I, leading to breast cell adhesion and breast cancer progression. Oncogene 2017; 37:28-38. [PMID: 28846105 DOI: 10.1038/onc.2017.298] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 06/19/2017] [Accepted: 07/20/2017] [Indexed: 12/12/2022]
Abstract
C-reactive protein (CRP) is an acute phase protein synthesized upon the inflammatory responses, associated with breast cancer. The process of tumor cell invasion and metastasis involves the adherence of cells to the extracellular matrix via integrin as a receptor for matrix molecules. The present study investigated the role of CRP in the adhesive phenotype of breast cells and the underlying mechanisms. Here, we first showed that CRP induces adhesion of MCF10A human breast epithelial cells through the activation of integrin α2 signaling. Expression of integrin α2 was induced by CRP in which transcription factors c-fos and SP1 may be involved. Binding of CRP with integrin α2 leads to the activation of focal adhesion kinase (FAK), paxillin and ERKs. CRP also binds to an Fcγ receptor Fcγ receptor I (FcγRI), and induces activation of paxillin, FAK and ERKs. Integrin α2 and FAK have crucial roles in the adhesive and invasive phenotypes as well as MMP-9 upregulation induced by CRP in MCF10A cells. Treatment with an inflammatory lipid sphingosine-1-phosphate induced CRP, which may be secreted and exert an autocrine effect by binding to FcγRI and integrin α2. Involvement of CRP in adhesion, invasion, anchorage-independent growth and upregulation of integrin α2, paxillin and FAK was observed in MDA-MB-231 triple-negative human breast cancer (TNBC) cells. Using an in vivo invasion model and an orthotopic mouse tumor model with MDA-MB-231 cells, we showed that CRP has an important role in intravasation and tumor growth in vivo, demonstrating the in vivo relevance of our in vitro results. The present study elucidates a critical molecular basis between CRP, integrin α2 and FcγRI pathways in MCF10A breast cells and MDA-MB-231 TNBC cells, thereby providing useful information on CRP-induced aggressiveness of breast cells in the inflammatory microenvironment.
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93
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Farland LV, Lorrain S, Missmer SA, Dartois L, Cervenka I, Savoye I, Mesrine S, Boutron-Ruault MC, Kvaskoff M. Endometriosis and the risk of skin cancer: a prospective cohort study. Cancer Causes Control 2017; 28:1011-1019. [PMID: 28799019 DOI: 10.1007/s10552-017-0939-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Accepted: 08/03/2017] [Indexed: 10/19/2022]
Abstract
PURPOSE Endometriosis has been associated with an increased risk of skin melanoma. However, associations with other skin cancer types and how they compare with melanoma are unclear. Our objective was to prospectively investigate the relationships between endometriosis and risk of non-melanoma and melanoma skin cancers. METHODS E3N is a prospective cohort of 98,995 French women aged 40-65 years in 1990. Data on surgically confirmed endometriosis and skin cancer diagnoses were collected every 2-3 years through self-report, with skin cancer cases confirmed through pathology reports. Hazard Ratios (HR) and 95% confidence intervals (CIs) were calculated using Cox regression models. RESULTS Between 1990 and 2008, 535 melanoma, 247 squamous-cell carcinoma (SCC), and 1,712 basal-cell carcinoma (BCC) cases were ascertained. Endometriosis was associated with an increased overall risk of skin cancer (HR 1.28, 95% CI 1.05-1.55). When considering skin cancer type, endometriosis was associated with melanoma risk (HR 1.64, 95% CI 1.15-2.35), but not with SCC (HR 1.21, 95% CI 0.62-2.36) or BCC (HR 1.16, 95% CI 0.91-1.48) (non-melanoma skin cancers combined: HR 1.17, 95% CI 0.93-1.46), although no heterogeneity was detected across skin cancer types (Phomogeneity = 0.13). CONCLUSION These data support an association between a personal history of endometriosis and the risk of skin cancer and suggest that the association is strongest for melanoma.
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Affiliation(s)
- Leslie V Farland
- Department of Epidemiology, Harvard T.H Chan School of Public Health, Boston, MA, 02115, USA.,Department of Obstetrics, Gynaecology, and Reproductive Biology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, 02115, USA
| | - Simon Lorrain
- Univ. Bordeaux, ISPED, Centre INSERM U897-Epidémiologie-Biostatistique, 33000, Bordeaux, France
| | - Stacey A Missmer
- Department of Epidemiology, Harvard T.H Chan School of Public Health, Boston, MA, 02115, USA.,Division of Adolescent and Young Adult Medicine, Department of Pediatrics, Boston Children's Hospital and Harvard Medical School, 02115, Boston, MA, USA.,Department of Obstetrics, Gynecology, and Reproductive Biology, College of Human Medicine, Michigan State University, Grand Rapids, MI, 49503, USA
| | - Laureen Dartois
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Iris Cervenka
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Isabelle Savoye
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Sylvie Mesrine
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Marie-Christine Boutron-Ruault
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France.,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France
| | - Marina Kvaskoff
- CESP, Fac. de médecine - Univ. Paris-Sud, Fac. de médecine - UVSQ, INSERM, Université Paris-Saclay, 94805, Villejuif Cedex, France. .,Gustave Roussy, Espace Maurice Tubiana, 114 rue Edouard Vaillant, 94805, Villejuif Cedex, France.
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Platz EA, Kulac I, Barber JR, Drake CG, Joshu CE, Nelson WG, Lucia MS, Klein EA, Lippman SM, Parnes HL, Thompson IM, Goodman PJ, Tangen CM, De Marzo AM. A Prospective Study of Chronic Inflammation in Benign Prostate Tissue and Risk of Prostate Cancer: Linked PCPT and SELECT Cohorts. Cancer Epidemiol Biomarkers Prev 2017; 26:1549-1557. [PMID: 28754796 DOI: 10.1158/1055-9965.epi-17-0503] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/07/2017] [Accepted: 07/19/2017] [Indexed: 11/16/2022] Open
Abstract
Background: We leveraged two trials to test the hypothesis of an inflammation-prostate cancer link prospectively in men without indication for biopsy.Methods: Prostate Cancer Prevention Trial (PCPT) participants who had an end-of-study biopsy performed per protocol that was negative for cancer and who subsequently enrolled in the Selenium and Vitamin E Cancer Prevention Trial (SELECT) were eligible. We selected all 100 cases and sampled 200 frequency-matched controls and used PCPT end-of-study biopsies as "baseline." Five men with PSA > 4 ng/mL at end-of-study biopsy were excluded. Tissue was located for 92 cases and 193 controls. We visually assessed inflammation in benign tissue. We estimated ORs and 95% confidence intervals (CI) using logistic regression adjusting for age and race.Results: Mean time between biopsy and diagnosis was 5.9 years. In men previously in the PCPT placebo arm, 78.1% of cases (N = 41) and 68.2% of controls (N = 85) had at least one baseline biopsy core (∼5 evaluated per man) with inflammation. The odds of prostate cancer (N = 41 cases) appeared to increase with increasing mean percentage of tissue area with inflammation, a trend that was statistically significant for Gleason sum <4+3 disease (N = 31 cases; vs. 0%, >0-<1.8% OR = 1.70, 1.8-<5.0% OR = 2.39, ≥5% OR = 3.31, Ptrend = 0.047). In men previously in the finasteride arm, prevalence of inflammation did not differ between cases (76.5%; N = 51) and controls (75.0%; N = 108).Conclusions: Benign tissue inflammation was positively associated with prostate cancer.Impact: This first prospective study of men without biopsy indication supports the hypothesis that inflammation influences prostate cancer development. Cancer Epidemiol Biomarkers Prev; 26(10); 1549-57. ©2017 AACR.
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Affiliation(s)
- Elizabeth A Platz
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland. .,Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland.,James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - Ibrahim Kulac
- Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - John R Barber
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
| | - Charles G Drake
- Department of Oncology, Herbert Irving Comprehensive Cancer Center at Columbia University, New York, New York
| | - Corinne E Joshu
- Department of Epidemiology, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.,Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland
| | - William G Nelson
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland.,James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland
| | - M Scott Lucia
- Department of Pathology, University of Colorado School of Medicine, Aurora, Colorado
| | - Eric A Klein
- Glickman Urological and Kidney Institute, Cleveland Clinic, Cleveland, Ohio
| | - Scott M Lippman
- Moores Cancer Center, University of California San Diego, La Jolla, California
| | - Howard L Parnes
- Division of Cancer Prevention, National Cancer Institute, NIH, Department of Health and Human Services, Bethesda, Maryland
| | - Ian M Thompson
- Department of Urology, University of Texas Health Sciences Center San Antonio, San Antonio, Texas.,Christus Santa Rosa Health System and Christus Oncology Research Council, San Antonio, Texas
| | - Phyllis J Goodman
- SWOG Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Cancer Prevention Program, Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Catherine M Tangen
- SWOG Statistical Center, Fred Hutchinson Cancer Research Center, Seattle, Washington.,Cancer Prevention Program, Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, Washington
| | - Angelo M De Marzo
- Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland. .,James Buchanan Brady Urological Institute and Department of Urology, Johns Hopkins University School of Medicine, Baltimore, Maryland.,Department of Pathology, Johns Hopkins University School of Medicine, Baltimore, Maryland
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95
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Yamashita S, Iida N, Takeshima H, Hattori N, Maeda M, Kishino T, Nagano R, Shimazu T, Tsugane S, Ushijima T. A novel method to quantify base substitution mutations at the 10 -6 per bp level in DNA samples. Cancer Lett 2017. [PMID: 28642169 DOI: 10.1016/j.canlet.2017.06.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Somatic base substitution mutations of frequencies at the 10-6/bp level are expected to be present in many biomedical samples, such as tissues exposed to carcinogenic factors and exhausted stem cells. However, measurement of such rare mutations has been very difficult in human DNA samples. Here, we invented the use of 100 copies of genomic DNA as a template for amplicon deep sequencing so that a real mutation in a single DNA molecule would be detected at a variant allele frequency of 1% while sequencing errors have less frequency. In addition, we selected 15,552 error-resistant base positions whose mutation frequency was expected to reflect that of base positions that can drive carcinogenesis or potentially even of the entire genome. The validity of the method was first confirmed by the successful detection of mutations premixed at the frequency of 0.1%. Second, increasing mutation frequencies (4-60 × 10-6/bp) were successfully detected in cells treated with increasing doses of one of two mutagens, and their signature mutations were detected. The ratio of non-synonymous mutations to synonymous mutations time-dependently decreased after treatment with a mutagen, supporting the neutral theory of molecular evolution for somatic mutations. Importantly, gastric mucosae exposed to Helicobacter pylori infection was shown to have significantly higher mutation frequency than those without. These results demonstrated that our new method can be used to measure rare base substitution mutations at the 10-6/bp level, and is now ready for a wide range of applications.
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Affiliation(s)
- Satoshi Yamashita
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Naoko Iida
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Hideyuki Takeshima
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Naoko Hattori
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Masahiro Maeda
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Takayoshi Kishino
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Reiko Nagano
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan
| | - Taichi Shimazu
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan
| | - Shoichiro Tsugane
- Epidemiology and Prevention Group, Center for Public Health Sciences, National Cancer Center, Tokyo, Japan
| | - Toshikazu Ushijima
- Division of Epigenomics, National Cancer Center Research Institute, Tokyo, Japan.
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96
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Sankhe A, Dalal K, Agarwal V, Sarve P. Spiritual Care Therapy on Quality of Life in Cancer Patients and Their Caregivers: A Prospective Non-randomized Single-Cohort Study. JOURNAL OF RELIGION AND HEALTH 2017; 56:725-731. [PMID: 27853982 PMCID: PMC5320005 DOI: 10.1007/s10943-016-0324-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Spiritual care is still in infancy stage all over the globe including India. The present study was an original study evaluating the role of spiritual care in cancer patients and their primary caregivers regarding their spiritual and general well-being. The study was a prospective, non-randomized single-group study involving cancer patients undergoing surgery and their primary caregivers. Functional assessment of cancer therapy-general and functional assessment of chronic illness therapy-spiritual care was evaluated during the admission and at the time of discharge, two, four and 6 months following discharge from the hospital. Descriptive statistics was used for demographic details and repeated measure ANOVA with Dunn's test was used for analysis of changes in the scores. A total of 107 (63 males and 44 females) patients with a mean (SD) of age 51 (13) years were recruited in the study. Similarly, for each patient one of their primary caregivers was recruited with their mean (SD) age of 39.4 (12.7) years. A total of 11/107 (10.3%) patients died and nine out of 107 (8.4%) were lost to follow-up eventually during the study period. There was a statistically significant (P < 0.0001) increase in the scores at all the follow-up periods in both the patient and their relative groups. To conclude, we found out that spiritual care on the basis of MATCH guideline improved the level of not only spiritual well-being but general well-being also in both the patients and their primary caregivers. Control group could have improved scientific validity of study in accessing effect of spiritual care. Authors believe that more robust comparative study on each principle against all five MATCH principles in future will add scientific validity and clear the various ambiguities in spiritual care.
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Affiliation(s)
- A Sankhe
- Clinical Research, BhaktiVedanta Hospital and Research Institute, Srishti Complex, Mira Road, Thane, Mumbai, 401107, Maharashtra, India
| | - K Dalal
- Clinical Research, BhaktiVedanta Hospital and Research Institute, Srishti Complex, Mira Road, Thane, Mumbai, 401107, Maharashtra, India.
| | - V Agarwal
- Clinical Research, BhaktiVedanta Hospital and Research Institute, Srishti Complex, Mira Road, Thane, Mumbai, 401107, Maharashtra, India
| | - P Sarve
- Clinical Research, BhaktiVedanta Hospital and Research Institute, Srishti Complex, Mira Road, Thane, Mumbai, 401107, Maharashtra, India
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97
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Label-free fluorescent assay of T4 polynucleotide kinase phosphatase activity based on G-quadruplexe−thioflavin T complex. Talanta 2017; 165:653-658. [DOI: 10.1016/j.talanta.2017.01.027] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2016] [Revised: 12/27/2016] [Accepted: 01/06/2017] [Indexed: 02/06/2023]
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98
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Wu X, Li J, Zhang H, Wang H, Yin G, Miao D. Pyrroloquinoline quinone prevents testosterone deficiency-induced osteoporosis by stimulating osteoblastic bone formation and inhibiting osteoclastic bone resorption. Am J Transl Res 2017; 9:1230-1242. [PMID: 28386349 PMCID: PMC5376014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Accepted: 02/08/2017] [Indexed: 06/07/2023]
Abstract
Accumulating evidences suggest that oxidative stress caused and deteriorated the aging related osteoporosis and pyrroloquinoline quinone (PQQ) is a powerful antioxidant. However, it is unclear whether PQQ can prevent testosterone deficiency-induced osteoporosis. In this study, the orchidectomized (ORX) mice were supplemented in diet with/without PQQ for 48 weeks, and compared with each other and with sham mice. Results showed that bone mineral density, trabecular bone volume, collagen deposition and osteoblast number were decreased significantly in ORX mice compared with shame mice, whereas PQQ supplementation largely prevented these alterations. In contrast, osteoclast surface and ratio of RANKL and OPG mRNA relative expression levels were increased significantly in ORX mice compared with shame mice, but were decreased significantly by PQQ supplementation. Furthermore, we found that CFU-f and ALP positive CFU-f forming efficiency and the proliferation of mesenchymal stem cells were reduced significantly in ORX mice compared with shame mice, but were increased significantly by PQQ supplementation. Reactive oxygen species (ROS) levels in thymus were increased, antioxidant enzymes SOD-1, SOD-2, Prdx I and Prdx IV protein expression levels in bony tissue were down-regulated, whereas the protein expression levels of DNA damage response related molecules including γ-H2AX, p53, Chk2 and NFκB-p65 in bony tissue were up-regulated significantly in ORX mice compared with shame mice, whereas PQQ supplementation largely rescued these alterations observed in ORX mice. Our results indicate that PQQ supplementation can prevent testosterone deficiency-induced osteoporosis by inhibiting oxidative stress and DNA damage, stimulating osteoblastic bone formation and inhibiting osteoclastic bone resorption.
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Affiliation(s)
- Xuan Wu
- Laboratory of Reproductive Medicine and The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical UniversityNanjing 210029, China
- Department of Orthopedics, Affiliated Nanjing Jiangbei People’s Hospital of Southeast UniversityNanjing 210029, China
| | - Jie Li
- Laboratory of Reproductive Medicine and The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical UniversityNanjing 210029, China
| | - Hengwei Zhang
- Department of Pathology and Laboratory Medicine, University of Rochester Medical CenterRochester, NY 14642, USA
| | - Hui Wang
- Laboratory of Reproductive Medicine and The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical UniversityNanjing 210029, China
| | - Guoyong Yin
- Department of Orthopedics, The First Affiliated Hospital of Nanjing Medical University NanjingNanjing 210029, China
| | - Dengshun Miao
- Laboratory of Reproductive Medicine and The Research Center for Bone and Stem Cells, Department of Anatomy, Histology and Embryology, Nanjing Medical UniversityNanjing 210029, China
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99
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Kalisperati P, Spanou E, Pateras IS, Korkolopoulou P, Varvarigou A, Karavokyros I, Gorgoulis VG, Vlachoyiannopoulos PG, Sougioultzis S. Inflammation, DNA Damage, Helicobacter pylori and Gastric Tumorigenesis. Front Genet 2017; 8:20. [PMID: 28289428 PMCID: PMC5326759 DOI: 10.3389/fgene.2017.00020] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2016] [Accepted: 02/08/2017] [Indexed: 12/13/2022] Open
Abstract
Helicobacter pylori (H. pylori) is a Gram negative bacterium that colonizes the stomach of almost half human population. It has evolved to escape immune surveillance, establishes lifelong inflammation, predisposing to genomic instability and DNA damage, notably double strand breaks. The epithelial host cell responds by activation of DNA damage repair (DDR) machinery that seems to be compromised by the infection. It is therefore now accepted that genetic damage is a major mechanism operating in cases of H. pylori induced carcinogenesis. Here, we review the data on the molecular pathways involved in DNA damage and DDR activation during H. pylori infection.
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Affiliation(s)
- Polyxeni Kalisperati
- Gastroenterology Unit, Department of Pathophysiology, School of Medicine, National and Kapodistrian University Athens, Greece
| | - Evangelia Spanou
- Gastroenterology Unit, Department of Pathophysiology, School of Medicine, National and Kapodistrian University Athens, Greece
| | - Ioannis S Pateras
- Department of Histology and Embryology, School of Medicine, National and Kapodistrian University Athens, Greece
| | - Penelope Korkolopoulou
- 1st Department of Pathology, Laiko Hospital, School of Medicine, National and Kapodistrian University of Athens Athens, Greece
| | | | - Ioannis Karavokyros
- 1st Department of Surgery, Laiko Hospital, University of Athens, School of Medicine Athens, Greece
| | - Vassilis G Gorgoulis
- Department of Histology and Embryology, School of Medicine, National and Kapodistrian UniversityAthens, Greece; Biomedical Research Foundation of the Academy of AthensAthens, Greece; Faculty of Biology, Medicine and Health Manchester Cancer Research Centre, Manchester Academic Health Sciences Centre, The University of ManchesterManchester, UK
| | | | - Stavros Sougioultzis
- Gastroenterology Unit, Department of Pathophysiology, School of Medicine, National and Kapodistrian University Athens, Greece
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100
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Ghosh I, Muwonge R, Mittal S, Banerjee D, Kundu P, Mandal R, Biswas J, Basu P. Association between high risk human papillomavirus infection and co-infection with Candida spp. and Trichomonas vaginalis in women with cervical premalignant and malignant lesions. J Clin Virol 2017; 87:43-48. [PMID: 27992790 DOI: 10.1016/j.jcv.2016.12.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 11/09/2016] [Accepted: 12/11/2016] [Indexed: 02/07/2023]
Abstract
BACKGROUND Human papillomavirus (HPV) is the necessary cause of cervical cancer. Cervico-vaginal infection with pathogens like Chlamydia is a likely cofactor. The interactions between HPV, Trichomonas vaginalis (TV) and Candida spp. are less understood, though inflammation induced by these pathogens has been demonstrated to facilitate oncogenesis. OBJECTIVE Our study aimed to evaluate the association between Candida spp. and TV co-infection with HPV in cervical oncogenesis. STUDY DESIGN Women with normal cervix who were high-risk HPV-negative (N=104) and HPV-positive (N=105); women with CIN 1 (N=106) and CIN 2/CIN 3 (N=62) were recruited from a community based cervical cancer screening program. Cervical cancer patients (N=106) were recruited from a tertiary care oncology clinic. High-risk HPV was detected by Hybrid Capture II technique; Candida spp. and TV were detected by culturing the high vaginal swabs followed by microscopic examination in all. The disease status was established by histopathology in all the women. RESULT HPV-positive women had significantly higher risk of having precursor lesions (of any grade) and cancer compared to HPV-negative women. Candida spp. or TV infection did not alter the risk of low grade or high grade lesions among HPV- positive women. HPV positive women co-infected with TV had higher risk of cervical cancer but not those co-infected with Candida spp. CONCLUSION The higher risk of cancer observed in the women co-infected with HPV and TV without any enhanced risk of CIN 3 suggests secondary infection of the malignant growth by TV rather than any causal role. Co-infection with Candida spp. and/or TV infection did not increase the carcinogenic effect of HPV on cervix.
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Affiliation(s)
- Ishita Ghosh
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India
| | - Richard Muwonge
- Screening Group, Early Detection and Prevention Section, International Agency for Research on Cancer, Lyon, France
| | - Srabani Mittal
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India
| | | | - Pratip Kundu
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India
| | - Ranajit Mandal
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India
| | - Jaydip Biswas
- Chittaranjan National Cancer Institute, Kolkata, West Bengal, India
| | - Partha Basu
- Screening Group, Early Detection and Prevention Section, International Agency for Research on Cancer, Lyon, France.
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