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Péter B, Szekacs I, Horvath R. Label-free biomolecular and cellular methods in small molecule epigallocatechin-gallate research. Heliyon 2024; 10:e25603. [PMID: 38371993 PMCID: PMC10873674 DOI: 10.1016/j.heliyon.2024.e25603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 01/30/2024] [Accepted: 01/30/2024] [Indexed: 02/20/2024] Open
Abstract
Small molecule natural compounds are gaining popularity in biomedicine due to their easy access to wide structural diversity and their proven health benefits in several case studies. Affinity measurements of small molecules below 100 Da molecular weight in a label-free and automatized manner using small amounts of samples have now become a possibility and reviewed in the present work. We also highlight novel label-free setups with excellent time resolution, which is important for kinetic measurements of biomolecules and living cells. We summarize how molecular-scale affinity data can be obtained from the in-depth analysis of cellular kinetic signals. Unlike traditional measurements, label-free biosensors have made such measurements possible, even without the isolation of specific cellular receptors of interest. Throughout this review, we consider epigallocatechin gallate (EGCG) as an exemplary compound. EGCG, a catechin found in green tea, is a well-established anti-inflammatory and anti-cancer agent. It has undergone extensive examination in numerous studies, which typically rely on fluorescent-based methods to explore its effects on both healthy and tumor cells. The summarized research topics range from molecular interactions with proteins and biological films to the kinetics of cellular adhesion and movement on novel biomimetic interfaces in the presence of EGCG. While the direct impact of small molecules on living cells and biomolecules is relatively well investigated in the literature using traditional biological measurements, this review also highlights the indirect influence of these molecules on the cells by modifying their nano-environment. Moreover, we underscore the significance of novel high-throughput label-free techniques in small molecular measurements, facilitating the investigation of both molecular-scale interactions and cellular processes in one single experiment. This advancement opens the door to exploring more complex multicomponent models that were previously beyond the reach of traditional assays.
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Affiliation(s)
- Beatrix Péter
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, HUN-REN Centre for Energy Research, Konkoly-Thege M. út 29-33., 1121 Budapest, Hungary
| | - Inna Szekacs
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, HUN-REN Centre for Energy Research, Konkoly-Thege M. út 29-33., 1121 Budapest, Hungary
| | - Robert Horvath
- Nanobiosensorics Laboratory, Institute of Technical Physics and Materials Science, HUN-REN Centre for Energy Research, Konkoly-Thege M. út 29-33., 1121 Budapest, Hungary
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2
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Álvarez SA, Rocha-Guzmán NE, Sánchez-Burgos JA, Gallegos-Infante JA, Moreno-Jiménez MR, González-Laredo RF, Solís-González S. Analysis of Antioxidant Constituents of Filtering Infusions from Oak ( Quercus sideroxyla Bonpl. and Quercus eduardii Trel.) and Yerbaniz ( Tagetes lucida (Sweet) Voss) as Monoamine Oxidase Inhibitors. Molecules 2023; 28:5167. [PMID: 37446829 DOI: 10.3390/molecules28135167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 06/26/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
The antioxidant constituents of ancestral products with ethnobotanical backgrounds are candidates for the study of filtering infusions to aid in pharmacotherapies focused on the treatment of depression and anxiety. Monoamine oxidase A (MAO-A) is an enzyme that regulates the metabolic breakdown of serotonin and noradrenaline in the nervous system. The goal of this study was to evaluate in vitro and in silico the effect of antioxidant constituents of filtering infusions from yerbaniz (Tagetes lucida (Sweet) Voss) and oak (Quercus sideroxyla Bonpl. and Quercus eduardii Trel.) as monoamine oxidase inhibitors. Materials were dried, ground, and mixed according to a simplex-centroid mixture design for obtaining infusions. Differential analysis of the phenolic constituent's ratio in the different infusions indicates that among the main compounds contributing to MAO-A inhibition are the gallic, chlorogenic, quinic, and shikimic acids, quercetin glucuronide and some glycosylated derivatives of ellagic acid and ellagic acid methyl ether. Infusions of Q. sideroxyla Bonpl. leaves, because of their content (99.45 ± 5.17 µg/mg) and synergy between these constituents for MAO-A inhibition (52.82 ± 3.20%), have the potential to treat depression and anxiety. Therefore, future studies with pharmacological approaches are needed to validate them as therapeutic agents with applications in mental health care.
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Affiliation(s)
- Saúl Alberto Álvarez
- Research Group on Functional Foods and Nutraceuticals, Department of Chemical and Biochemical Engineering, TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., Durango 34080, Dgo., Mexico
| | - Nuria Elizabeth Rocha-Guzmán
- Research Group on Functional Foods and Nutraceuticals, Department of Chemical and Biochemical Engineering, TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., Durango 34080, Dgo., Mexico
| | - Jorge Alberto Sánchez-Burgos
- Postgraduate Program in Food Sciences, TecNM/Instituto Tecnológico de Tepic, Avenida Tecnológico, Número 2595, Colonia Lagos del Country, Tepic 63175, Nayarit, Mexico
| | - José Alberto Gallegos-Infante
- Research Group on Functional Foods and Nutraceuticals, Department of Chemical and Biochemical Engineering, TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., Durango 34080, Dgo., Mexico
| | - Martha Rocío Moreno-Jiménez
- Research Group on Functional Foods and Nutraceuticals, Department of Chemical and Biochemical Engineering, TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., Durango 34080, Dgo., Mexico
| | - Rubén Francisco González-Laredo
- Research Group on Functional Foods and Nutraceuticals, Department of Chemical and Biochemical Engineering, TecNM/Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., Durango 34080, Dgo., Mexico
| | - Santiago Solís-González
- TecNM/I.T. El Salto, Calle Tecnológico # 101, Col. La Forestal, El Salto 34942, P.N. Durango, Mexico
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Gligor O, Clichici S, Moldovan R, Decea N, Vlase AM, Fizeșan I, Pop A, Virag P, Filip GA, Vlase L, Crișan G. An In Vitro and In Vivo Assessment of Antitumor Activity of Extracts Derived from Three Well-Known Plant Species. PLANTS (BASEL, SWITZERLAND) 2023; 12:plants12091840. [PMID: 37176897 PMCID: PMC10180766 DOI: 10.3390/plants12091840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 04/22/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
One of the objectives of this study consists of the assessment of the antitumor activity of several extracts from three selected plant species: Xanthium spinosum L., Trifolium pratense L., and Coffea arabica L. and also a comparative study of this biological activity, with the aim of establishing a superior herbal extract for antitumor benefits. The phytochemical profile of the extracts was established by HPLC-MS analysis. Further, the selected extracts were screened in vitro for their antitumor activity and antioxidant potential on two cancer cell lines: A549-human lung adenocarcinoma and T47D-KBluc-human breast carcinoma and on normal cells. One extract per plant was selected for in vivo assessment of antitumor activity in an Ehrlich ascites mouse model. The extracts presented high content of antitumor compounds such as caffeoylquinic acids in the case of X. spinosum L. (7.22 µg/mL-xanthatin, 4.611 µg/mL-4-O-caffeoylquinic acid) and green coffee beans (10.008 µg/mL-cafestol, 265.507 µg/mL-4-O-caffeoylquinic acid), as well as isoflavones in the case of T. pratense L. (6806.60 ng/mL-ononin, 102.78 µg/mL-biochanin A). Concerning the in vitro results, the X. spinosum L. extracts presented the strongest anticancerous and antioxidant effects. In vivo, ascites cell viability decreased after T. pratense L. and green coffee bean extracts administration, whereas the oxidative stress reduction potential was important in tumor samples after T. pratense L. Cell viability was also decreased after administration of cyclophosphamide associated with X. spinosum L. and T. pratense L. extracts, respectively. These results suggested that T. pratense L. or X. spinosum L. extracts in combination with chemotherapy can induce lipid peroxidation in tumor cells and decrease the tumor viability especially, T. pratense L. extract.
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Affiliation(s)
- Octavia Gligor
- Department of Pharmaceutical Botany, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Simona Clichici
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Remus Moldovan
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Nicoleta Decea
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Ana-Maria Vlase
- Department of Pharmaceutical Botany, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Ionel Fizeșan
- Department of Toxicology, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Anca Pop
- Department of Toxicology, Faculty of Pharmacy, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Piroska Virag
- Department of Radiobiology and Tumor Biology, Oncology Institute "Prof. Dr. Ion Chiricuță", 34-36 Republicii Street, 400015 Cluj-Napoca, Romania
| | - Gabriela Adriana Filip
- Department of Physiology, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Laurian Vlase
- Department of Pharmaceutical Technology and Biopharmaceutics, University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
| | - Gianina Crișan
- Department of Pharmaceutical Botany, Iuliu Hatieganu University of Medicine and Pharmacy, 8 Victor Babes Street, 400347 Cluj-Napoca, Romania
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Nguyen Minh Q, Lai QD, Nguy Minh H, Tran Kieu MT, Lam Gia N, Le U, Hang MP, Nguyen HD, Chau TDA, Doan NTT. Authenticity green coffee bean species and geographical origin using near‐infrared spectroscopy combined with chemometrics. Int J Food Sci Technol 2022. [DOI: 10.1111/ijfs.15786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Quan Nguyen Minh
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Quoc Dat Lai
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Hoang Nguy Minh
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Minh Tu Tran Kieu
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Ngoc Lam Gia
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Uyen Le
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - My Phung Hang
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Hoang Dung Nguyen
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Tran Diem Ai Chau
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
| | - Ngoc Thuc Trinh Doan
- Department of Food Technology Faculty of Chemical Engineering Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City 72506 Vietnam
- Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc District Ho Chi Minh City Vietnam
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Artusa V, Ciaramelli C, D’Aloia A, Facchini FA, Gotri N, Bruno A, Costa B, Palmioli A, Airoldi C, Peri F. Green and Roasted Coffee Extracts Inhibit Interferon-β Release in LPS-Stimulated Human Macrophages. Front Pharmacol 2022; 13:806010. [PMID: 35600887 PMCID: PMC9117639 DOI: 10.3389/fphar.2022.806010] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 03/31/2022] [Indexed: 11/19/2022] Open
Abstract
The anti-inflammatory activity of coffee extracts is widely recognized and supported by experimental evidence, in both in vitro and in vivo settings, mainly murine models. Here, we investigated the immunomodulatory properties of coffee extracts from green (GCE) and medium-roasted (RCE) Coffea canephora beans in human macrophages. The biological effect of GCE and RCE was characterized in LPS-stimulated THP-1-derived human macrophages (TDM) as a model of inflammation. Results showed decreased amounts of TNF-α, IL-6 and IL-1β and a strong dose-dependent inhibition of interferon-β (IFN-β) release. Molecular mechanism of IFN-β inhibition was further investigated by immunofluorescence confocal microscopy analysis that showed a diminished nuclear translocation of p-IRF-3, the main transcription factor responsible for IFN-β synthesis. The inhibition of IFN-β release by RCE and GCE was also confirmed in human primary CD14+ monocytes-derived macrophages (MDM). The main component of coffee extracts, 5-O-caffeoylquinic acid (5-CQA) also inhibited IFN-β production, through a mechanism occurring downstream to TLR4. Inhibition of IFN-β release by coffee extracts parallels with the activity of their main phytochemical component, 5-CQA, thus suggesting that this compound is the main responsible for the immunomodulatory effect observed. The application of 5-CQA and coffee derived-phytoextracts to target interferonopathies and inflammation-related diseases could open new pharmacological and nutritional perspectives.
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Affiliation(s)
- Valentina Artusa
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Carlotta Ciaramelli
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
- Milan Center for Neurosciences, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Alessia D’Aloia
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | | | - Nicole Gotri
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Antonino Bruno
- Laboratory of Immunology and General Pathology, Department of Biotechnologies and Life Science, University of Insubria, Varese, Italy
- Laboratory of Innate Immunity, IRCCS MultiMedica, Polo Scientifico e Tecnologico, Milano, Italy
| | - Barbara Costa
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Alessandro Palmioli
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
- Milan Center for Neurosciences, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Cristina Airoldi
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
- Milan Center for Neurosciences, Università Degli Studi di Milano-Bicocca, Milano, Italy
| | - Francesco Peri
- Dipartimento di Biotecnologie e Bioscienze, Università Degli Studi di Milano-Bicocca, Milano, Italy
- *Correspondence: Francesco Peri,
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Molecular Mechanisms of Coffee on Prostate Cancer Prevention. BIOMED RESEARCH INTERNATIONAL 2022; 2022:3254420. [PMID: 35496060 PMCID: PMC9054433 DOI: 10.1155/2022/3254420] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Accepted: 04/09/2022] [Indexed: 12/14/2022]
Abstract
Prostate cancer (PCa) is one of the most common types of cancer among men, and coffee is associated with a reduced risk of developing PCa. Therefore, we aim to review possible coffee molecular mechanisms that contribute to PCa prevention. Coffee has an important antioxidant capacity that reduces oxidative stress, leading to a reduced mutation in cells. Beyond direct antioxidant activity, coffee stimulates phase II enzymatic activity, which is related to the detoxification of reactive metabolites. The anti-inflammatory effects of coffee reduce tissue damage related to PCa development. Coffee induces autophagy, regulates the NF-κB pathway, and reduces the expression of iNOS and inflammatory mediators, such as TNF-α, IL-6, IL-8, and CRP. Also, coffee modulates transcriptional factors and pathways. It has been shown that coffee increases testosterone and reduces sex hormone-binding globulin, estrogen, and prostate-specific antigen. Coffee also enhances insulin resistance and glucose metabolism. All these effects may contribute to protection against PCa development.
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Small-Molecule RAS Inhibitors as Anticancer Agents: Discovery, Development, and Mechanistic Studies. Int J Mol Sci 2022; 23:ijms23073706. [PMID: 35409064 PMCID: PMC8999084 DOI: 10.3390/ijms23073706] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 03/21/2022] [Accepted: 03/24/2022] [Indexed: 12/11/2022] Open
Abstract
Mutations of RAS oncogenes are responsible for about 30% of all human cancer types, including pancreatic, lung, and colorectal cancers. While KRAS1 is a pseudogene, mutation of KRAS2 (commonly known as KRAS oncogene) is directly or indirectly associated with human cancers. Among the RAS family, KRAS is the most abundant oncogene related to uncontrolled cellular proliferation to generate solid tumors in many types of cancer such as pancreatic carcinoma (over 80%), colon carcinoma (40-50%), lung carcinoma (30-50%), and other types of cancer. Once described as 'undruggable', RAS proteins have become 'druggable', at least to a certain extent, due to the continuous efforts made during the past four decades. In this account, we discuss the chemistry and biology (wherever available) of the small-molecule inhibitors (synthetic, semi-synthetic, and natural) of KRAS proteins that were published in the past decades. Commercial drugs, as well as investigational molecules from preliminary stages to clinical trials, are categorized and discussed in this study. In summary, this study presents an in-depth discussion of RAS proteins, classifies the RAS superfamily, and describes the molecular mechanism of small-molecule RAS inhibitors.
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Nwafor EO, Lu P, Zhang Y, Liu R, Peng H, Xing B, Liu Y, Li Z, Zhang K, Zhang Y, Liu Z. Chlorogenic acid: Potential source of natural drugs for the therapeutics of fibrosis and cancer. Transl Oncol 2021; 15:101294. [PMID: 34861551 PMCID: PMC8640119 DOI: 10.1016/j.tranon.2021.101294] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Accepted: 11/17/2021] [Indexed: 12/12/2022] Open
Abstract
Fibrosis and cancer is described by some epidemiological studies as chronic stages of different disease conditions typically characterized by uncontrolled accumulation of extra-cellular matrix (ECM), thereby leading to inflammation of tissues and organ (lungs, heart, liver and kidney) dysfunction. It is highly prevalent, and contributes to increased mortality rate worldwide. Currently, the therapeutical approaches involving selected medications (bemcentinib, pirfenidone and nintedanib) obtained synthetically, and used in clinical practices for fibrosis and cancer management and treatment has shown to be unsatisfactorily, especially during progressive stages of the disease. With regards to finding a more potent, effective, and promising curative for fibrosis and cancer, there is need for continuous experimental studies universally. However, phytochemical constituents’ particularly phenolic compounds [Chlorogenic acid (CGA)] obtained from coffee, and coffee beans have been predominantly utilized in experimental studies, due to its multiple pharmacological properties against various disease forms. Considering its natural source alongside minimal toxicity level, CGA, a major precursor of coffee have gained considerable attention nowadays from researchers worldwide, owing to its wide, efficacious and beneficial action against fibrosis and cancer. Interestingly, the safety of CGA has been proven. Furthermore, numerous experimental studies have also deduced massive remarkable outcomes in the use of CGA clinically, as a potential drug candidate against treatment of fibrosis and cancer. In the course of this review article, we systematically discussed the beneficial contributions of CGA with regards to its source, absorption, metabolism, mechanistic effects, and molecular mechanisms against different fibrosis and cancer categorization, which might be a prospective remedy in the future. Moreover, we also highlighted CGA (in vitro and in vivo analytical studies) defensive effects against various disorders.
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Affiliation(s)
- Ebuka-Olisaemeka Nwafor
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Peng Lu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Ying Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Rui Liu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Hui Peng
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Bin Xing
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Yiting Liu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Ziwei Li
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Kuibin Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Yukun Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China
| | - Zhidong Liu
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, No. 10 Tuanbo New Town West District, Poyang Lake Road, Jinghai District, Tianjin 301617, China; Engineering Research Center of Modern Chinese Medicine Discovery and Preparation Technique, Ministry of Education, Tianjin 301617, China.
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Supercritical CO 2-ethanol extraction of oil from green coffee beans: optimization conditions and bioactive compound identification. Journal of Food Science and Technology 2021; 58:4514-4523. [PMID: 34629515 DOI: 10.1007/s13197-020-04933-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Revised: 11/23/2020] [Accepted: 12/01/2020] [Indexed: 10/22/2022]
Abstract
In this research, a supercritical CO2-ethanol extraction was optimized to obtain a green coffee oil rich in bioactive compounds. A face-centered central composite design was used to evaluate the effect of temperature (50-70 °C), extraction pressure (15.0-30.0 MPa), and cosolvent content (5-20%) on the extraction yield and total phenolic compound content of green coffee supercritical extract (GCSE). The experimental data were fitted to a second-order polynomial model. According to the statistical analyses, the lack of fit was not significant for either mathematical model. From the response surface plots, the extraction pressure and cosolvent content significantly impacted the extraction yield, while the total phenolic compound content was impacted by temperature and cosolvent content. The optimal conditions were a 20% cosolvent content, a pressure of 30 MPa, and a temperature of 62 °C, which predicted an extraction yield of 7.7% with a total phenol content of 5.4 mg gallic acid equivalent g GCSE-1. The bioactive compounds included 5-caffeoylquinic acid (11.53-17.91 mg g GCSE-1), caffeine (44.76-79.51 mg g GCSE-1), linoleic acid (41.47-41.58%), and palmitic acid (36.07-36.18%). Our results showed that GCSE has the outstanding chemical quality and antioxidant potential, suggesting that GCSE can be used as a functional ingredient.
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A Decade of Research on Coffee as an Anticarcinogenic Beverage. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:4420479. [PMID: 34567408 PMCID: PMC8460369 DOI: 10.1155/2021/4420479] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/26/2021] [Accepted: 08/29/2021] [Indexed: 01/08/2023]
Abstract
Coffee consumption has been investigated as a protective factor against cancer. Coffee is a complex beverage that contains more than 1000 described phytochemicals, which are responsible for its pleasant taste, aroma, and health-promoting properties. Many of these compounds have a potential therapeutic effect due to their antioxidant, anti-inflammatory, antifibrotic, and anticancer properties. The roasting process affects the phytochemical content, and undesirable compounds may be formed. In recent years, there have been contradictory publications regarding the effect of coffee drinking and cancer. Therefore, this study is aimed at evaluating the association of coffee consumption with the development of cancer. In PubMed, until July 2021, the terms “Coffee and cancer” resulted in about 2150 publications, and almost 50% of them have been published in the last 10 years. In general, studies published in recent years have shown negative associations between coffee consumption and the risk or development of different types of cancer, including breast, prostate, oral, oral and pharyngeal, melanoma, skin and skin nonmelanoma, kidney, gastric, colorectal, endometrial, liver, leukemic and hepatocellular carcinoma, brain, and thyroid cancer, among others. In contrast, only a few publications demonstrated a double association between coffee consumption and bladder, pancreatic, and lung cancer. In this review, we summarize the in vitro and in vivo studies that accumulate epidemiological evidence showing a consistent inverse association between coffee consumption and cancer.
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Design, Synthesis, and In Vitro Evaluation of Novel Indolyl DiHydropyrazole Derivatives as Potential Anticancer Agents. Molecules 2021; 26:molecules26175235. [PMID: 34500672 PMCID: PMC8434462 DOI: 10.3390/molecules26175235] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 08/11/2021] [Accepted: 08/12/2021] [Indexed: 11/17/2022] Open
Abstract
Indoles derived from both natural sources or artificial synthetic methods have been known to interact with aryl hydrocarbon receptors (AhR), and exhibit anticancer activity. In light of these attractive properties, a series of hybrid molecules with structural features of indoles, i.e., those bearing a pyrazoline nucleus, were evaluated for their enhanced anticancer activity. The designed molecules were subjected to molecular docking in order to screen for potential AhR interacting compounds, and the identified indolyl dihydropyrazole derivatives were synthesized. The synthesized compounds were characterized, and their cytotoxicity was evaluated against four human cancer cell lines using the MTT assay. Based on the Glide g-score, H-bonding interactions and bonding energy of 20 candidate molecules were selected for further analysis from the 64 initially designed molecules. These candidate molecules have shown promising anti-proliferative activity against the cell lines tested. Among these candidate molecules, the compounds with hydroxy phenyl substitution on the pyrazoline ring have shown potent activity across all the tested cell lines. The designed scaffold was proven effective for screening potential candidate molecules with anticancer properties, and may be further optimized structurally for yielding the ideal anti-tumorigenic compound for the treatment of various cancers.
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12
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Hutachok N, Koonyosying P, Pankasemsuk T, Angkasith P, Chumpun C, Fucharoen S, Srichairatanakool S. Chemical Analysis, Toxicity Study, and Free-Radical Scavenging and Iron-Binding Assays Involving Coffee ( Coffea arabica) Extracts. Molecules 2021; 26:molecules26144169. [PMID: 34299444 PMCID: PMC8304909 DOI: 10.3390/molecules26144169] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 07/02/2021] [Accepted: 07/06/2021] [Indexed: 12/24/2022] Open
Abstract
We aimed to analyze the chemical compositions in Arabica coffee bean extracts, assess the relevant antioxidant and iron-chelating activities in coffee extracts and instant coffee, and evaluate the toxicity in roasted coffee. Coffee beans were extracted using boiling, drip-filtered and espresso brewing methods. Certain phenolics were investigated including trigonelline, caffeic acid and their derivatives, gallic acid, epicatechin, chlorogenic acid (CGA) and their derivatives, p-coumaroylquinic acid, p-coumaroyl glucoside, the rutin and syringic acid that exist in green and roasted coffee extracts, along with dimethoxycinnamic acid, caffeoylarbutin and cymaroside that may be present in green coffee bean extracts. Different phytochemicals were also detected in all of the coffee extracts. Roasted coffee extracts and instant coffees exhibited free-radical scavenging properties in a dose-dependent manner, for which drip coffee was observed to be the most effective (p < 0.05). All coffee extracts, instant coffee varieties and CGA could effectively bind ferric ion in a concentration-dependent manner resulting in an iron-bound complex. Roasted coffee extracts were neither toxic to normal mononuclear cells nor breast cancer cells. The findings indicate that phenolics, particularly CGA, could effectively contribute to the iron-chelating and free-radical scavenging properties observed in coffee brews. Thus, coffee may possess high pharmacological value and could be utilized as a health beverage.
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Affiliation(s)
- Nuntouchaporn Hutachok
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (N.H.); (P.K.)
| | - Pimpisid Koonyosying
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (N.H.); (P.K.)
| | - Tanachai Pankasemsuk
- Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai 50200, Thailand;
| | - Pongsak Angkasith
- Royal Project Foundation, Chiang Mai 50200, Thailand; (P.A.); (C.C.)
| | - Chaiwat Chumpun
- Royal Project Foundation, Chiang Mai 50200, Thailand; (P.A.); (C.C.)
| | - Suthat Fucharoen
- Thalassemia Research Center, Institute of Molecular Biosciences, Salaya Campus, Mahidol University, Nakorn Pathom 70130, Thailand;
| | - Somdet Srichairatanakool
- Department of Biochemistry, Faculty of Medicine, Chiang Mai University, Chiang Mai 50200, Thailand; (N.H.); (P.K.)
- Correspondence: ; Tel.: +66-5393-5322
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Antitumor Effects of Freeze-Dried Robusta Coffee ( Coffea canephora) Extracts on Breast Cancer Cell Lines. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5572630. [PMID: 34113419 PMCID: PMC8154281 DOI: 10.1155/2021/5572630] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 04/24/2021] [Indexed: 02/06/2023]
Abstract
Coffee consumption is believed to have chemopreventive and chemotherapeutic effects and to contribute to preventing the development and progression of cancer. However, there is still controversy around these claims. As indicated in our previous works, diet can influence the risk of breast cancer. Intake of coffee is hypothesized to reduce this risk, but current scientific evidence is not conclusive. This work is aimed at studying the effects of Robusta coffee bean extract on cell viability, proliferation, and apoptosis of different human cancers, especially breast cancer cell lines. To this end, cell viability was evaluated by Alamar Blue in 2D and 3D models, the cell cycle by PI, apoptosis by annexin V, mitochondrial morphology, and functionality by mitoTracker, and colony formation capacity by the clonogenic assay. Green and dark coffee extract significantly reduced viability in human breast, colorectal, brain, and bone cancer cells. Coffee anticancer activity was clearly evidenced in MDA-MB-231 (ER−) and MCF-7 (ER+) breast cancer cells but not in the normal breast cell line. In addition, coffee extract induces an increase S phase and a decrease G2/M population in breast cancer cells, affected the mitochondrial morphology, and triggered apoptosis. MDA-MB-231 breast cancer cells lost their clonogenic capacity after treatment. The antitumor activity was demonstrated in both 2D and 3D culture cell models.
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Suppression of oral cancer by induction of cell cycle arrest and apoptosis using Juniperus communis extract. Biosci Rep 2021; 40:226214. [PMID: 32856711 PMCID: PMC7477317 DOI: 10.1042/bsr20202083] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 12/19/2022] Open
Abstract
The oral cancer incidence rate is slowly increasing and is now the fifth leading cause of cancer-related death due to its high metastasis and recurrence rate. Juniperus communis is used as a traditional Chinese medicine and has been proven to have anti-cancer activity against neuroblastomas. In the present study, we further investigated the anti-cancer mechanisms of J. communis extract (JCo) on oral cancer and evaluated the synergistic effects of JCo combined with 5-fluorouracil (5-FU). We found that JCo inhibited oral cancer cell growth, and that JCo might be less cytotoxic to normal cells than to cancer cells. After JCo treatment, cell cycle arrest was observed at the G0/G1 phase through modulation of p53/p21 and Rb signaling. JCo also caused an increase in the sub-G1 phase and cell apoptosis via the intrinsic and extrinsic apoptosis pathways. JCo combined with 5-FU presented a synergistic effect to reduce cell viability. In conclusion, JCo inhibited oral cancer cell growth by inducing cell cycle arrest and activating cell apoptosis, and JCo significantly synergized with 5-FU. JCo might have the potential to be an adjuvant and a new therapeutic drug for oral cancer treatment.
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15
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Palmioli A, Sperandeo P, Bertuzzi S, Polissi A, Airoldi C. On-cell saturation transfer difference NMR for the identification of FimH ligands and inhibitors. Bioorg Chem 2021; 112:104876. [PMID: 33845337 DOI: 10.1016/j.bioorg.2021.104876] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/14/2021] [Accepted: 03/25/2021] [Indexed: 12/23/2022]
Abstract
We describe the development of an on-cell NMR method for the rapid screening of FimH ligands and the structural identification of ligand binding epitopes. FimH is a mannose-binding bacterial adhesin expressed at the apical end of type 1 pili of uropathogenic bacterial strains and responsible for their d-mannose sensitive adhesion to host mammalian epithelial cells. Because of these properties, FimH is a key virulence factor and an attractive therapeutic target for urinary tract infection. We prepared synthetic d-mannose decorated dendrimers, we tested their ability to prevent the FimH-mediated yeast agglutination, and thus we used the compounds showing the best inhibitory activity as models of FimH multivalent ligands to set up our NMR methodology. Our experimental protocol, based on on-cell STD NMR techniques, is a suitable tool for the screening and the epitope mapping of FimH ligands aimed at the development of new antiadhesive and diagnostic tools against urinary tract infection pathogens. Notably, the study is carried out in a physiological environment, i.e. at the surface of living pathogen cells expressing FimH.
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Affiliation(s)
- Alessandro Palmioli
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy.
| | - Paola Sperandeo
- Department of Pharmacological and Biomolecular Sciences, University of Milano, Via Balzaretti, 9/11/13, 20133 Milano, Italy
| | - Sara Bertuzzi
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy; Chemical Glycobiology Lab, Center for Cooperative Research in Biosciences (CIC-bioGUNE), 48160 Derio, Spain
| | - Alessandra Polissi
- Department of Pharmacological and Biomolecular Sciences, University of Milano, Via Balzaretti, 9/11/13, 20133 Milano, Italy
| | - Cristina Airoldi
- BioOrg NMR Lab, Department of Biotechnology and Biosciences, University of Milano-Bicocca, P.zza della Scienza, 2, 20126 Milan, Italy.
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16
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Tisi R, Spinelli M, Palmioli A, Airoldi C, Cazzaniga P, Besozzi D, Nobile MS, Mazzoleni E, Arnhold S, De Gioia L, Grandori R, Peri F, Vanoni M, Sacco E. The Multi-Level Mechanism of Action of a Pan-Ras Inhibitor Explains its Antiproliferative Activity on Cetuximab-Resistant Cancer Cells. Front Mol Biosci 2021; 8:625979. [PMID: 33681292 PMCID: PMC7925909 DOI: 10.3389/fmolb.2021.625979] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Accepted: 01/11/2021] [Indexed: 12/04/2022] Open
Abstract
Ras oncoproteins play a crucial role in the onset, maintenance, and progression of the most common and deadly human cancers. Despite extensive research efforts, only a few mutant-specific Ras inhibitors have been reported. We show that cmp4–previously identified as a water-soluble Ras inhibitor– targets multiple steps in the activation and downstream signaling of different Ras mutants and isoforms. Binding of this pan-Ras inhibitor to an extended Switch II pocket on HRas and KRas proteins induces a conformational change that down-regulates intrinsic and GEF-mediated nucleotide dissociation and exchange and effector binding. A mathematical model of the Ras activation cycle predicts that the inhibitor severely reduces the proliferation of different Ras-driven cancer cells, effectively cooperating with Cetuximab to reduce proliferation even of Cetuximab-resistant cancer cell lines. Experimental data confirm the model prediction, indicating that the pan-Ras inhibitor is an appropriate candidate for medicinal chemistry efforts tailored at improving its currently unsatisfactory affinity.
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Affiliation(s)
- Renata Tisi
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Michela Spinelli
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy.,SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy
| | - Alessandro Palmioli
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Cristina Airoldi
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy.,SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy
| | - Paolo Cazzaniga
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy.,Bicocca Bioinformatics, Biostatistics and Bioimaging Centre - B4, Milano, Italy
| | - Daniela Besozzi
- SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy.,Bicocca Bioinformatics, Biostatistics and Bioimaging Centre - B4, Milano, Italy
| | - Marco S Nobile
- Bicocca Bioinformatics, Biostatistics and Bioimaging Centre - B4, Milano, Italy.,Department of Industrial Engineering and Innovation Sciences, Eindhoven University of Technology, Eindhoven, Netherlands
| | - Elisa Mazzoleni
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Simone Arnhold
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Luca De Gioia
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy.,SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy
| | - Rita Grandori
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Francesco Peri
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy
| | - Marco Vanoni
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy.,SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy
| | - Elena Sacco
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Milan, Italy.,SYSBIO-ISBE-IT-Candidate National Node of Italy for ISBE, Research Infrastructure for Systems Biology Europe, Milan, Italy
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17
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Montenegro J, Dos Santos LS, de Souza RGG, Lima LGB, Mattos DS, Viana BPPB, da Fonseca Bastos ACS, Muzzi L, Conte-Júnior CA, Gimba ERP, Freitas-Silva O, Teodoro AJ. Bioactive compounds, antioxidant activity and antiproliferative effects in prostate cancer cells of green and roasted coffee extracts obtained by microwave-assisted extraction (MAE). Food Res Int 2020; 140:110014. [PMID: 33648246 DOI: 10.1016/j.foodres.2020.110014] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 12/07/2020] [Accepted: 12/09/2020] [Indexed: 12/14/2022]
Abstract
Coffee consumption has been investigated as a protective factor against prostate cancer. Coffee may be related to prostate cancer risk reduction due to its phytochemical compounds, such as caffeine, chlorogenic acids, and trigonelline. The roasting process affects the content of the phytochemicals and undesired compounds can be formed. Microwave-assisted extraction is an alternative to conventional extraction techniques since it preserves more bioactive compounds. Therefore, this study aimed to evaluate the phytochemical composition and the putative preventive effects in prostate cancer development of coffee beans submitted to four different coffee-roasting degrees extracted using microwave-assisted extraction. Coffea arabica green beans (1) were roasted into light (2), medium (3) and dark (4) and these four coffee samples were submitted to microwave-assisted extraction. The antioxidant capacity of these samples was evaluated by five different methods. Caffeine, chlorogenic acid and caffeic acid were measured through HPLC. Samples were tested against PC-3 and DU-145 metastatic prostate cancer cell lines regarding their effects on cell viability, cell cycle progression and apoptotic cell death. We found that green and light roasted coffee extracts had the highest antioxidant activity. Caffeine content was not affected by roasting, chlorogenic acid was degraded due to the temperature, and caffeic acid increased in light roasted and decreased in medium and dark roasted. Green and light roasted coffee extracts promoted higher inhibition of cell viability, caused greater cell cycle arrest in S and G2/M and induced apoptosis more compared to medium and dark roasted coffee extracts and the control samples. Coffee extracts were more effective against DU-145 than in PC-3 cells. Our data provide initial evidence that among the four tested samples, the consumption of green and light coffee extracts contributes to inhibit prostate cancer tumor progression features, potentially preventing aspects related to advanced prostate cancer subtypes.
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Affiliation(s)
- Júlia Montenegro
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil
| | - Lauriza Silva Dos Santos
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil
| | - Rodrigo Gonçalves Gusmão de Souza
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil
| | - Larissa Gabrielly Barbosa Lima
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil
| | - Daniella Santos Mattos
- Programa de Oncobiologia Celular e Molecular, Instituto Nacional do Câncer, INCa, Rio de Janeiro, RJ, Brazil
| | | | | | - Leda Muzzi
- Departamento de Tecnologia de Alimentos, Universidade Federal Fluminense, UFF, Niterói, RJ, Brazil
| | - Carlos Adam Conte-Júnior
- Departamento de Tecnologia de Alimentos, Universidade Federal Fluminense, UFF, Niterói, RJ, Brazil
| | - Etel Rodrigues Pereira Gimba
- Programa de Oncobiologia Celular e Molecular, Instituto Nacional do Câncer, INCa, Rio de Janeiro, RJ, Brazil; Universidade Federal Fluminense, Departamento de Ciências da Natureza, Rio das Ostras, RJ, Brazil
| | - Otniel Freitas-Silva
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil; Empresa Brasileira de Pesquisa Agropecuária, Embrapa Agroindústria de Alimentos, Rio de Janeiro, RJ, Brazil
| | - Anderson Junger Teodoro
- Laboratório de Alimentos Funcionais, Programa de Alimentos e Nutrição, Universidade Federal do Estado do Rio de Janeiro, UNIRIO, Rio de Janeiro, RJ, Brazil.
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18
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Pedan V, Stamm E, Do T, Holinger M, Reich E. HPTLC fingerprint profile analysis of coffee polyphenols during different roast trials. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103610] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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19
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Natural Products Attenuating Biosynthesis, Processing, and Activity of Ras Oncoproteins: State of the Art and Future Perspectives. Biomolecules 2020; 10:biom10111535. [PMID: 33182807 PMCID: PMC7698260 DOI: 10.3390/biom10111535] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/03/2020] [Accepted: 11/08/2020] [Indexed: 02/07/2023] Open
Abstract
RAS genes encode signaling proteins, which, in mammalian cells, act as molecular switches regulating critical cellular processes as proliferation, growth, differentiation, survival, motility, and metabolism in response to specific stimuli. Deregulation of Ras functions has a high impact on human health: gain-of-function point mutations in RAS genes are found in some developmental disorders and thirty percent of all human cancers, including the deadliest. For this reason, the pathogenic Ras variants represent important clinical targets against which to develop novel, effective, and possibly selective pharmacological inhibitors. Natural products represent a virtually unlimited resource of structurally different compounds from which one could draw on for this purpose, given the improvements in isolation and screening of active molecules from complex sources. After a summary of Ras proteins molecular and regulatory features and Ras-dependent pathways relevant for drug development, we point out the most promising inhibitory approaches, the known druggable sites of wild-type and oncogenic Ras mutants, and describe the known natural compounds capable of attenuating Ras signaling. Finally, we highlight critical issues and perspectives for the future selection of potential Ras inhibitors from natural sources.
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20
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Kudwongsa W, Promthet S, Suwanrungruang K, Phunmanee A, Vatanasapt P. Coffee Consumption and Lung Cancer Risk: A Prospective Cohort Study in Khon Kaen Thailand. Asian Pac J Cancer Prev 2020; 21:2367-2371. [PMID: 32856867 PMCID: PMC7771955 DOI: 10.31557/apjcp.2020.21.8.2367] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Indexed: 12/24/2022] Open
Abstract
Background: Lung cancer is a major cause of cancer death worldwide. The incidence of lung cancer in Thailand increasing, but risk factors are rarely reported. Objective: To investigate the effect of coffee consumption on lung cancer in Thai population. Methods: Between 1990 and 2001, lifestyle and demographic data were collected from 24,528 participants in the Khon Kaen Cohort Study (KKCS), who were followed through 2016, by linking to the Khon Kaen Population-based Cancer Registry. A total of 12,668 eligible participants (68.8% females, mean age 51.0 years at baseline) having complete datasets (239,488 person-years of follow up with 138 incident cases of lung cancer observed) were analyzed using a multi-variable adjusted Cox proportional hazard models. Results: Coffee consumption was associated with reduced risk for lung cancer (adj. HR = 0.54; 95% CI: 0.35-0.84) after adjusting for age and gender. Cigarette smoking (adj. HR = 2.76; 95% CI: 1.32-5.78) and family history of cancer (adj. HR = 1.65; 95% CI: 1.10-2.48) were associated with higher risk. Conclusion: This study suggests coffee consumption may be a protective factor for lung cancer in among this cohort.
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Affiliation(s)
- Wongklang Kudwongsa
- Doctor of Philosophy Program in Epidemiology and Biostatistics, Faculty of Public Health, Khon Kaen University, Khon Kaen, Thailand.,ASEAN Cancer Epidemiology and Prevention Research Group, Khon Kaen, Thailand
| | - Supannee Promthet
- ASEAN Cancer Epidemiology and Prevention Research Group, Khon Kaen, Thailand
| | - Krittika Suwanrungruang
- ASEAN Cancer Epidemiology and Prevention Research Group, Khon Kaen, Thailand.,Cancer Registry Unit, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Anakapong Phunmanee
- Division of Pulmonology and Critical Care Medicine, Department of Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Patravoot Vatanasapt
- ASEAN Cancer Epidemiology and Prevention Research Group, Khon Kaen, Thailand.,Cancer Registry Unit, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand.,Department of Otorhinolaryngology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
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21
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Kwon OY, Ryu S, Choi JK, Lee SH. Smilax glabra Roxb. Inhibits Collagen Induced Adhesion and Migration of PC3 and LNCaP Prostate Cancer Cells through the Inhibition of Beta 1 Integrin Expression. Molecules 2020; 25:molecules25133006. [PMID: 32630092 PMCID: PMC7411785 DOI: 10.3390/molecules25133006] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 06/26/2020] [Accepted: 06/29/2020] [Indexed: 11/18/2022] Open
Abstract
Smilax glabra Roxb. (SGR) has been used as a traditional medicine for brucellosis and syphilis. In this study, we investigated whether nontoxicological levels of water extract of SGR (WESGR) are effective for suppressing steps in the progression of prostate cancer, such as collagen-mediated migration and adhesion and identified the target molecule responsible for such effects. We found that nontoxicological levels of WESGR did not attenuate PC3 and LNCaP cell adhesion to serum but did significantly do so with collagen. In addition, using the Boyden chamber assay, we found that nontoxicological levels of WESGR did not inhibit the migration of PC3 and LNCaP cells to a serum-coated area but did significantly attenuate migration to a collagen-coated area. Interestingly, the expression of α2β1 integrin, a known receptor of collagen, was not affected by ectopic administration of WESGR. However, WESGR significantly attenuated the expression of β1 integrin, but not α2 integrin when PC3 and LNCaP cells were placed on a collagen-coated plate, resulting in attenuation of focal adherent kinase phosphorylation. Finally, 5-O-caffeoylquinic acid was determined as a functional single component which is responsible for antiprostate cancer effects of WESGR. Taken together, our results suggest a novel molecular mechanism for WESGR-mediated antiprostate cancer effects at particular steps such as with migration and adhesion to collagen, and it could provide the possibility of therapeutic use of WESGR against prostate cancer progression.
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Affiliation(s)
| | | | | | - Seung Ho Lee
- Correspondence: ; Tel.: +82–32–832–8269; Fax: +82–32–832–0798
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22
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Panzeri D, Guzzetti L, Sacco G, Tedeschi G, Nonnis S, Airoldi C, Labra M, Fusi P, Forcella M, Regonesi ME. Effectiveness of Vigna unguiculata seed extracts in preventing colorectal cancer. Food Funct 2020; 11:5853-5865. [PMID: 32589172 DOI: 10.1039/d0fo00913j] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Colorectal cancer (CRC) is one of the most common types of cancer, especially in Western countries, and its incidence rate is increasing every year. In this study, for the first time Vigna unguiculata L. Walp. (cowpea) water boiled seed extracts were found to reduce the viability of different colorectal cancer (CRC) cell lines, such as E705, DiFi and SW480 and the proliferation of Caco-2 line too, without affecting CCD841 healthy cell line. Furthermore, the extracts showed the ability to reduce the level of Epidermal Growth Factor Receptor (EGFR) phosphorylation in E705, DiFi and SW480 cell lines and to lower the EC50 of a CRC common drug, cetuximab, on E705 and DiFi lines from 161.7 ng mL-1 to 0.06 ng mL-1 and from 49.5 ng mL-1 to 0.2 ng mL-1 respectively. The extract was characterized in its protein and metabolite profiles by tandem mass spectrometry and 1H-NMR analyses. A Bowman-Birk protease inhibitor was identified within the protein fraction and was supposed to be the main active component. These findings confirm the importance of a legume-based diet to prevent the outbreak of many CRC and to reduce the amount of drug administered during a therapeutic cycle.
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Affiliation(s)
- Davide Panzeri
- Department of Biotechnology and Biosciences, University of Milan-Bicocca, Piazza della Scienza 2, 20126, Milano, Italy.
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Extract of Juniperus indica Bertol Synergizes with Cisplatin to Inhibit Oral Cancer Cell Growth via Repression of Cell Cycle Progression and Activation of the Caspase Cascade. Molecules 2020; 25:molecules25122746. [PMID: 32545807 PMCID: PMC7355628 DOI: 10.3390/molecules25122746] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/04/2020] [Accepted: 06/12/2020] [Indexed: 12/13/2022] Open
Abstract
Oral cancer—a type of head and neck cancer—is estimated to be the fifth most common cancer in Taiwan. However, efficacious therapies for oral cancer are still lacking due to drug resistance and recurrence. Consequently, the identification of new anticancer agents for clinical treatment is needed. Juniperus indica Bertol is a plant of the Juniperus genus often used as a treatment in traditional medicine due to its anti-inflammatory, antibacterial and diuretic functions. The biofunctions of Juniperus indica Bertol including its anticancer potential, have not been fully explored. As a result, the aim of this research was to investigate the anticancer activity of Juniperus indica Bertol extract (JIB extract) and determine whether JIB extract has synergistic effects with cisplatin in oral cancer. These results are the first to demonstrate that JIB extract exhibits anticancer capacity and synergizes with cisplatin to treat oral cancer. Our findings indicate that JIB extract has a potential to develop anticancer agent and chemo therapeutic adjuvant for oral cancer.
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On-cell saturation transfer difference NMR study of Bombesin binding to GRP receptor. Bioorg Chem 2020; 99:103861. [PMID: 32339813 DOI: 10.1016/j.bioorg.2020.103861] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 04/15/2020] [Accepted: 04/16/2020] [Indexed: 01/15/2023]
Abstract
We report the NMR characterization of the molecular interaction between Gastrin Releasing Peptide Receptor (GRP-R) and its natural ligand bombesin (BN). GRP-R is a transmembrane G-protein coupled receptor promoting the stimulation of cancer cell proliferation; in addition, being overexpressed on the surface of different human cancer cell lines, it is ideal for the development of new strategies for the selective targeted delivery of anticancer drugs and diagnostic devices to tumor cells. However, the design of new GRP-R binders requires structural information on receptor interaction with its natural ligands. The experimental protocol presented herein, based on on-cell STD NMR techniques, is a powerful tool for the screening and the epitope mapping of GRP-R ligands aimed at the development of new anticancer and diagnostic tools. Notably, the study can be carried out in a physiological environment, at the surface of tumoral cells overespressing GRP-R. Moreover, to the best of our knowledge, this is the first example of an NMR experiment able to detect and investigate the structural determinants of BN/GRP-R interaction.
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Patti F, Palmioli A, Vitalini S, Bertazza L, Redaelli M, Zorzan M, Rubin B, Mian C, Bertolini C, Iacobone M, Armanini D, Barollo S, Airoldi C, Iriti M, Pezzani R. Anticancer Effects of Wild Mountain Mentha longifolia Extract in Adrenocortical Tumor Cell Models. Front Pharmacol 2020; 10:1647. [PMID: 32116670 PMCID: PMC7025550 DOI: 10.3389/fphar.2019.01647] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 12/16/2019] [Indexed: 01/12/2023] Open
Abstract
Mint [Mentha longifolia (L.) Hudson] is an aromatic plant that belongs to Lamiaceae family. It is traditionally used as herbal tea in Europe, Australia and North Africa and shows numerous pharmacological effects, such as spasmolytic, antioxidant, antimicrobial and anti-hemolytic. Recently, its antiproliferative role has been suggested in a small number of tumor cell models, but no data are available on adrenocortical carcinoma, a malignancy with a survival rate at 5 years of 20%-30% which frequently metastasize. This work aimed to study the effects of Mentha longifolia L. crude extract (ME) on two adrenocortical tumor cell models (H295R and SW13 cells). Chemical composition of ME was assessed by gas-chromatography/mass spectrometry and NMR spectroscopy analysis. Brine shrimp lethality assay showed ME effects at >0.5 µg/µl (p < 0.05). Cell viability and vitality were determined by MTT, SRB, and trypan blue assays in H295R and SW13 cells. The anti-proliferative effects of ME were more evident in SW13 cells at 72 h (ME > 0.5 µg/µl, p < 0.05). Combination of ME with mitotane (approved drug for adrenocortical carcinoma) seemed not to reinforce the efficacy of the herb. As control, human fibroblasts were treated with ME with no effect on cell viability. Clonogenic assay was concordant with previous cell viability tests (ME > 0.5 µg/µl, p < 0.05), while Wright staining demonstrated the presence of both necrotic and apoptotic cells. Cell cycle analysis showed a strong increase in subG0/G1 phase, related to cell death. Furthermore, MAPK and PI3k/Akt pathways were modulated by Western blot analysis when treating cells with ME alone or combined with mitotane. The crude methanolic extract of wild mountain mint can decrease cell viability, vitality and survival of adrenocortical tumor cell models, in particular of SW13 cells. These data show the potential anticancer effects of ME, still more work is needed to corroborate these findings.
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Affiliation(s)
- Felicia Patti
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Alessandro Palmioli
- BioOrgNMR Lab, Department of Biotechnology and Biosciences, Università degli Studi di Milano Bicocca, Milan, Italy
| | - Sara Vitalini
- Department of Agricultural and Environmental Sciences, Milan State University, Milano, Italy
| | - Loris Bertazza
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Marco Redaelli
- AIROB, Associazione Italiana per la Ricerca Oncologica di Base, Padova, Italy
- Venetian Institute for Molecular Science and Experimental Technologies, VIMSET, Liettoli di Campolongo Maggiore, Italy
| | - Maira Zorzan
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Beatrice Rubin
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Caterina Mian
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Cristina Bertolini
- AIROB, Associazione Italiana per la Ricerca Oncologica di Base, Padova, Italy
| | - Maurizio Iacobone
- Minimally Invasive Endocrine Surgery Unit, Department of Surgery, Oncology and Gastroenterology (DISCOG), University of Padova, Padova, Italy
| | - Decio Armanini
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Susi Barollo
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
| | - Cristina Airoldi
- BioOrgNMR Lab, Department of Biotechnology and Biosciences, Università degli Studi di Milano Bicocca, Milan, Italy
| | - Marcello Iriti
- Department of Agricultural and Environmental Sciences, Milan State University, Milano, Italy
| | - Raffaele Pezzani
- Endocrinology Unit, Department of Medicine (DIMED), University of Padova, Padova, Italy
- AIROB, Associazione Italiana per la Ricerca Oncologica di Base, Padova, Italy
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26
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Gupta S, Dasmahapatra AK. Caffeine destabilizes preformed Aβ protofilaments: insights from all atom molecular dynamics simulations. Phys Chem Chem Phys 2019; 21:22067-22080. [PMID: 31565708 DOI: 10.1039/c9cp04162a] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The aggregation and deposition of neurotoxic Aβ fibrils are key in the etiology of Alzheimer's disease (AD). It has been clinically recognized as a major form of dementia across the globe. Finding and testing various natural compounds to target Aβ fibrils to disrupt their stable structures seems to be a promising and attractive therapeutic strategy. The destabilization effects of caffeine on Aβ fibrils are investigated via in silico studies, where a series of molecular dynamics (MD) simulations, each of 100 ns, was conducted. The simulation outcomes obtained henceforth clearly indicated the drift of the terminal chains from the protofibrils, leading to disorganization of the characteristically organized cross-β structures of Aβ fibrils. The structural instability of Aβ17-42 protofibrils is explained through enhanced fluctuations in the RMSD, radius of gyration and RMSF values in the presence of caffeine. The key interactions providing stability, comprising D23-K28 salt bridges, intra- and inter-chain hydrogen bonding and hydrophobic interactions involving interchain A21-V36 and F19-G38 and intrachain L34-V36, were found to be disrupted due to increases in the distances between the participating components. The loss of β-sheet structure with the introduction of turns and α-helices in terminal chains may further inhibit the formation of higher order aggregates, which is necessary to stop the progression of the disease. The atomistic details obtained via MD studies relating to the mechanism behind the underlying destabilization of Aβ17-42 protofibrils by caffeine encourage further investigations exploring the potency of natural compounds to treat AD via disrupting preformed neurotoxic Aβ protofibrils.
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Affiliation(s)
- Shivani Gupta
- Department of Chemical Engineering and Indian Institute of Technology Guwahati, Guwahati - 781039, Assam, India.
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Shao CC, Luo D, Pang GD, Xiao J, Yang XR, Zhang Y, Jia HY. A dose–response meta-analysis of coffee consumption and thyroid cancer occurrence. Int J Food Sci Nutr 2019; 71:176-185. [PMID: 31364891 DOI: 10.1080/09637486.2019.1646712] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Chun Chun Shao
- Center of Evidence-based Medicine, Institute of Medical Sciences, the Second Hospital of Shandong University, Jinan, China
| | - Di Luo
- The First Clinical Medical School, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guo Dong Pang
- Department of Radiology, the Second Hospital of Shandong University, Jinan, China
| | - Juan Xiao
- Center of Evidence-based Medicine, Institute of Medical Sciences, the Second Hospital of Shandong University, Jinan, China
| | - Xiao Rong Yang
- Clinical Epidemiology Unit, Qilu Hospital of Shandong University, Jinan, China
| | - Yuan Zhang
- Center of Evidence-based Medicine, Institute of Medical Sciences, the Second Hospital of Shandong University, Jinan, China
| | - Hong Ying Jia
- Center of Evidence-based Medicine, Institute of Medical Sciences, the Second Hospital of Shandong University, Jinan, China
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28
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Alongi M, Calligaris S, Anese M. Fat concentration and high-pressure homogenization affect chlorogenic acid bioaccessibility and α-glucosidase inhibitory capacity of milk-based coffee beverages. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.04.057] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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29
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bioNMR-based identification of natural anti-Aβ compounds in Peucedanum ostruthium. Bioorg Chem 2019; 83:76-86. [DOI: 10.1016/j.bioorg.2018.10.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 10/07/2018] [Accepted: 10/09/2018] [Indexed: 01/20/2023]
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30
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Rothwell JA, Loftfield E, Wedekind R, Freedman N, Kambanis C, Scalbert A, Sinha R. A Metabolomic Study of the Variability of the Chemical Composition of Commonly Consumed Coffee Brews. Metabolites 2019; 9:E17. [PMID: 30669279 PMCID: PMC6359601 DOI: 10.3390/metabo9010017] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Revised: 01/04/2019] [Accepted: 01/16/2019] [Indexed: 12/29/2022] Open
Abstract
Coffee drinking has been associated with a lower risk of certain chronic diseases and overall mortality. Its effects on disease risk may vary according to the type of coffee brew consumed and its chemical composition. We characterized variations in the chemical profiles of 76 coffee brew samples representing different brew methods, roast levels, bean species, and caffeine types, either prepared or purchased from outlets in Rockville, Maryland, United States of America. Samples were profiled using liquid chromatography coupled with high-resolution mass spectrometry, and the main sources of chemical variability identified by the principal component partial R-square multivariable regression were found to be brew methods (Rpartial² = 36%). A principal component analysis (PCA) was run on 18 identified coffee compounds after normalization for total signal intensity. The three first principal components were driven by roasting intensity (41% variance), type of coffee beans (29%), and caffeine (8%). These variations were mainly explained by hydroxycinnamoyl esters and diketopiperazines (roasting), N-caffeoyltryptophan, N-p-coumaroyltryptophan, feruloylquinic acids, and theophylline (coffee bean variety) and theobromine (decaffeination). Instant coffees differed from all coffee brews by high contents of diketopiperazines, suggesting a higher roast of the extracted beans. These variations will be important to consider for understanding the effects of different coffee brews on disease risk.
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Affiliation(s)
- Joseph A Rothwell
- International Agency for Research on Cancer (IARC), Nutrition and Metabolism Section, Biomarkers Group, 150 Cours Albert Thomas, CEDEX 08, F-69372 Lyon, France.
| | - Erikka Loftfield
- National Cancer Institute, 9609 Medical Center Drive, Bethesda, MD 20892, USA.
| | - Roland Wedekind
- International Agency for Research on Cancer (IARC), Nutrition and Metabolism Section, Biomarkers Group, 150 Cours Albert Thomas, CEDEX 08, F-69372 Lyon, France.
| | - Neal Freedman
- National Cancer Institute, 9609 Medical Center Drive, Bethesda, MD 20892, USA.
| | - Callie Kambanis
- National Cancer Institute, 9609 Medical Center Drive, Bethesda, MD 20892, USA.
| | - Augustin Scalbert
- International Agency for Research on Cancer (IARC), Nutrition and Metabolism Section, Biomarkers Group, 150 Cours Albert Thomas, CEDEX 08, F-69372 Lyon, France.
| | - Rashmi Sinha
- National Cancer Institute, 9609 Medical Center Drive, Bethesda, MD 20892, USA.
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Li H, Ni F, Zhang Y, Chen HH, Huang E, Zhuang H, Li D. Rosmarinic acid inhibits stem-like breast cancer through hedgehog and Bcl-2/Bax signaling pathways. Pharmacogn Mag 2019. [DOI: 10.4103/pm.pm_22_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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32
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Coffee variety, origin and extraction procedure: Implications for coffee beneficial effects on human health. Food Chem 2018; 278:47-55. [PMID: 30583399 DOI: 10.1016/j.foodchem.2018.11.063] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 10/01/2018] [Accepted: 11/11/2018] [Indexed: 01/08/2023]
Abstract
We set up an efficient protocol for the rapid analysis of NMR spectra of green and roasted coffee extracts, enabling the automatic identification and quantification of metabolites in approximately two minutes per spectrum. This method allowed for the metabolic profiling and the subsequent evaluation of the content of bioactive compounds and antioxidant activity of coffee samples, depending on their species (Arabica and Robusta), geographical origin and extraction procedure (hydroalcoholic, espresso and moka). The hydroalcoholic extraction is the most efficient method in terms of yields of low molecular weight compounds (in particular chlorogenic acids), while moka extraction provides the highest amounts of melanoidins. Moreover, that the ratio between health-giving compounds (chlorogenic acids, trigonelline and choline) and caffeine is higher in Arabica coffees. The data collected provide useful insights for the selection of coffee raw material to be used in the preparation of coffee-based dietary supplements, nutraceuticals and functional beverages.
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Comparison of active constituents, antioxidant capacity, and α-glucosidase inhibition in Pluchea indica leaf extracts at different maturity stages. FOOD BIOSCI 2018. [DOI: 10.1016/j.fbio.2018.08.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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34
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Farias-Pereira R, Oshiro J, Kim KH, Park Y. Green coffee bean extract and 5-O-caffeoylquinic acid regulate fat metabolism in Caenorhabditis elegans. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.07.049] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
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35
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Ciaramelli C, Palmioli A, De Luigi A, Colombo L, Sala G, Riva C, Zoia CP, Salmona M, Airoldi C. NMR-driven identification of anti-amyloidogenic compounds in green and roasted coffee extracts. Food Chem 2018; 252:171-180. [DOI: 10.1016/j.foodchem.2018.01.075] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2017] [Revised: 01/03/2018] [Accepted: 01/09/2018] [Indexed: 01/07/2023]
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36
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Han Y, Gao Y, He T, Wang D, Guo N, Zhang X, Chen S, Wang H. PD-1/PD-L1 inhibitor screening of caffeoylquinic acid compounds using surface plasmon resonance spectroscopy. Anal Biochem 2018; 547:52-56. [DOI: 10.1016/j.ab.2018.02.003] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2017] [Revised: 01/13/2018] [Accepted: 02/07/2018] [Indexed: 12/11/2022]
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37
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Coffee Intake Decreases Risk of Postmenopausal Breast Cancer: A Dose-Response Meta-Analysis on Prospective Cohort Studies. Nutrients 2018; 10:nu10020112. [PMID: 29360766 PMCID: PMC5852688 DOI: 10.3390/nu10020112] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2017] [Revised: 01/16/2018] [Accepted: 01/18/2018] [Indexed: 12/18/2022] Open
Abstract
Aim: A dose-response meta-analysis was conducted in order to summarize the evidence from prospective cohort studies regarding the association between coffee intake and breast cancer risk. Methods: A systematic search was performed in electronic databases up to March 2017 to identify relevant studies; risk estimates were retrieved from the studies and linear and non-linear dose-response analysis modelled by restricted cubic splines was conducted. A stratified and subgroup analysis by menopausal and estrogen/progesterone receptor (ER/PR) status, smoking status and body mass index (BMI) were performed in order to detect potential confounders. Results: A total of 21 prospective studies were selected either for dose-response, the highest versus lowest category of consumption or subgroup analysis. The dose-response analysis of 13 prospective studies showed no significant association between coffee consumption and breast cancer risk in the non-linear model. However, an inverse relationship has been found when the analysis was restricted to post-menopausal women. Consumption of four cups of coffee per day was associated with a 10% reduction in postmenopausal cancer risk (relative risk, RR 0.90; 95% confidence interval, CI 0.82 to 0.99). Subgroup analyses showed consistent results for all potential confounding factors examined. Conclusions: Findings from this meta-analysis may support the hypothesis that coffee consumption is associated with decreased risk of postmenopausal breast cancer.
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Coffee Intake Decreases Risk of Postmenopausal Breast Cancer: A Dose-Response Meta-Analysis on Prospective Cohort Studies. Nutrients 2018. [PMID: 29360766 DOI: 10.3390/nu10020112,] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Aim: A dose-response meta-analysis was conducted in order to summarize the evidence from prospective cohort studies regarding the association between coffee intake and breast cancer risk. Methods: A systematic search was performed in electronic databases up to March 2017 to identify relevant studies; risk estimates were retrieved from the studies and linear and non-linear dose-response analysis modelled by restricted cubic splines was conducted. A stratified and subgroup analysis by menopausal and estrogen/progesterone receptor (ER/PR) status, smoking status and body mass index (BMI) were performed in order to detect potential confounders. Results: A total of 21 prospective studies were selected either for dose-response, the highest versus lowest category of consumption or subgroup analysis. The dose-response analysis of 13 prospective studies showed no significant association between coffee consumption and breast cancer risk in the non-linear model. However, an inverse relationship has been found when the analysis was restricted to post-menopausal women. Consumption of four cups of coffee per day was associated with a 10% reduction in postmenopausal cancer risk (relative risk, RR 0.90; 95% confidence interval, CI 0.82 to 0.99). Subgroup analyses showed consistent results for all potential confounding factors examined. Conclusions: Findings from this meta-analysis may support the hypothesis that coffee consumption is associated with decreased risk of postmenopausal breast cancer.
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