1
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Moritsuka N, Kiya N, Moriyama T, Koshino H, Yoritate M, Matoba H, Hirai G. Linkage-Editing of Melibiosamine: Synthesis and Biological Evaluation of CH 2- and CHF-Linked Analogs. J Org Chem 2024. [PMID: 39119939 DOI: 10.1021/acs.joc.4c01143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Melibiosamine (Gal-α(1,6)-GlcNH2), consisting of galactose and glucosamine linked by an α(1,6)-glycosidic bond, is an artificial disaccharide derivative that selectively inhibits the proliferation of K562 tumor cells relative to HUC-F2 normal cells. In this study, we employed a linkage-editing strategy to synthesize CH2- and CHF-linked melibiosamine analogs through chemo- and stereoselective hydrogenation of fluorovinyl-C-glycoside. (R)-CHF-Melibiosamine exhibited more potent antiproliferative activity than O-linked melibiosamine, while (S)-CHF-melibiosamine was less potent.
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Affiliation(s)
- Natsuho Moritsuka
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Noriaki Kiya
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Takahiro Moriyama
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroyuki Koshino
- RIKEN Center for Sustainable Resource Science, Wako, Saitama 351-0198, Japan
| | - Makoto Yoritate
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Hiroaki Matoba
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
| | - Go Hirai
- Graduate School of Pharmaceutical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka 812-8582, Japan
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2
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McCallum N, Najlah M. The Anticancer Activity of Monosaccharides: Perspectives and Outlooks. Cancers (Basel) 2024; 16:2775. [PMID: 39199548 PMCID: PMC11353049 DOI: 10.3390/cancers16162775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2024] [Revised: 07/27/2024] [Accepted: 07/31/2024] [Indexed: 09/01/2024] Open
Abstract
A major hallmark of cancer is the reprogramming of cellular metabolism from oxidative phosphorylation (OXPHOS) to glycolysis, a phenomenon known as the Warburg effect. To sustain high rates of glycolysis, cancer cells overexpress GLUT transporters and glycolytic enzymes, allowing for the enhanced uptake and consumption of glucose. The Warburg effect may be exploited in the treatment of cancer; certain epimers and derivatives of glucose can enter cancer cells and inhibit glycolytic enzymes, stunting metabolism and causing cell death. These include common dietary monosaccharides (ᴅ-mannose, ᴅ-galactose, ᴅ-glucosamine, ʟ-fucose), as well as some rare monosaccharides (xylitol, ᴅ-allose, ʟ-sorbose, ʟ-rhamnose). This article reviews the literature on these sugars in in vitro and in vivo models of cancer, discussing their mechanisms of cytotoxicity. In addition to this, the anticancer potential of some synthetically modified monosaccharides, such as 2-deoxy-ᴅ-glucose and its acetylated and halogenated derivatives, is reviewed. Further, this article reviews how certain monosaccharides can be used in combination with anticancer drugs to potentiate conventional chemotherapies and to help overcome chemoresistance. Finally, the limitations of administering two separate agents, a sugar and a chemotherapeutic drug, are discussed. The potential of the glycoconjugation of classical or repurposed chemotherapy drugs as a solution to these limitations is reviewed.
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Affiliation(s)
| | - Mohammad Najlah
- Pharmaceutical Research Group, School of Allied Health, Faculty of Health, Education, Medicine and Social Care, Anglia Ruskin University, Bishops Hall Lane, Chelmsford CM1 1SQ, UK;
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3
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Wu Y, Che Y, Zhang Y, Xiong Y, Shu C, Jiang J, Li G, Guo L, Qiao T, Li S, Li O, Chang N, Zhang X, Zhang M, Qiu D, Xi H, Li J, Chen X, Ye M, Zhang J. Association between genetically proxied glucosamine and risk of cancer and non-neoplastic disease: A Mendelian randomization study. Front Genet 2024; 15:1293668. [PMID: 38993479 PMCID: PMC11236616 DOI: 10.3389/fgene.2024.1293668] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 05/16/2024] [Indexed: 07/13/2024] Open
Abstract
Introduction Observational investigations have examined the impact of glucosamine use on the risk of cancer and non-neoplastic diseases. However, the findings from these studies face limitations arising from confounding variables, reverse causation, and conflicting reports. Consequently, the establishment of a causal relationship between habitual glucosamine consumption and the risk of cancer and non-neoplastic diseases necessitates further investigation. Methods For Mendelian randomization (MR) investigation, we opted to employ single-nucleotide polymorphisms (SNPs) as instruments that exhibit robust associations with habitual glucosamine consumption. We obtained the corresponding effect estimates of these SNPs on the risk of cancer and non-neoplastic diseases by extracting summary data for genetic instruments linked to 49 varied cancer types amounting to 378,284 cases and 533,969 controls, as well as 20 non-neoplastic diseases encompassing 292,270 cases and 842,829 controls. Apart from the primary analysis utilizing inverse-variance weighted MR, we conducted two supplementary approaches to account for potential pleiotropy (MR-Egger and weighted median) and assessed their respective MR estimates. Furthermore, the results of the leave-one-out analysis revealed that there were no outlying instruments. Results Our results suggest divergence from accepted biological understanding, suggesting that genetically predicted glucosamine utilization may be linked to an increased vulnerability to specific illnesses, as evidenced by increased odds ratios and confidence intervals (95% CI) for diseases, such as malignant neoplasm of the eye and adnexa (2.47 [1.34-4.55]), benign neoplasm of the liver/bile ducts (2.12 [1.32-3.43]), benign neoplasm of the larynx (2.01 [1.36-2.96]), melanoma (1.74 [1.17-2.59]), follicular lymphoma (1.50 [1.06-2.11]), autoimmune thyroiditis (2.47 [1.49-4.08]), and autoimmune hyperthyroidism (1.93 [1.17-3.18]). In contrast to prior observational research, our genetic investigations demonstrate a positive correlation between habitual glucosamine consumption and an elevated risk of sigmoid colon cancer, lung adenocarcinoma, and benign neoplasm of the thyroid gland. Conclusion Casting doubt on the purported purely beneficial association between glucosamine ingestion and prevention of neoplastic and non-neoplastic diseases, habitual glucosamine ingestion exhibits dichotomous effects on disease outcomes. Endorsing the habitual consumption of glucosamine as a preventative measure against neoplastic and non-neoplastic diseases cannot be supported.
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Affiliation(s)
- Yingtong Wu
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
- First Sanatorium, Air Force Healthcare Center for Special Services, Hangzhou, China
| | - Yinggang Che
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Yong Zhang
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Yanlu Xiong
- Department of Thoracic Surgery, Tangdu Hospital, Air-Force Medical University, Xi’an, China
| | - Chen Shu
- Department of Thoracic Surgery, Tangdu Hospital, Air-Force Medical University, Xi’an, China
| | - Jun Jiang
- Department of Health Service, Air-Force Medical University, Xi’an, China
| | - Gaozhi Li
- 94498th Unit of the People’s Liberation Army of China, Nanyang, China
| | - Lin Guo
- Department of Obstetrics and Gynecology, Tangdu Hospital, Air-Force Medical University, Xi’an, China
| | - Tianyun Qiao
- Department of Thoracic Surgery, Tangdu Hospital, Air-Force Medical University, Xi’an, China
| | - Shuwen Li
- First Sanatorium, Air Force Healthcare Center for Special Services, Hangzhou, China
| | - Ou Li
- First Sanatorium, Air Force Healthcare Center for Special Services, Hangzhou, China
| | - Ning Chang
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Xinxin Zhang
- College of Pulmonary and Critical Care Medicine, the 8th Medical Centre of Chinese PLA General Hospital, Beijing, China
| | - Minzhe Zhang
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Dan Qiu
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Hangtian Xi
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Jinggeng Li
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Xiangxiang Chen
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
| | - Mingxiang Ye
- Department of Respiratory Medicine, Jinling Hospital, Nanjing University School of Medicine, Nanjing, China
| | - Jian Zhang
- Department of Pulmonary and Critical Care Medicine, Xijing Hospital, Air-Force Medical University, Xi’an, China
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4
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Abdel Hamid M, Habib A, Mabrouk M, Hammad S, Elshahawy M. Formation of plasmonic silver nanoparticles by glucosamine reduction: Application to a colorimetric sensor for determination of glucosamine in its pharmaceutical preparations. J Pharm Biomed Anal 2023; 236:115705. [PMID: 37690186 DOI: 10.1016/j.jpba.2023.115705] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/18/2023] [Accepted: 09/02/2023] [Indexed: 09/12/2023]
Abstract
The purpose of this study is to develop a novel method for synthesizing silver nanoparticles using glucosamine as reducing agent and to utilize the developed method for colorimetric detection and quantitative determination of the non-chromophoric drug, glucosamine. Silver nanoparticles are prepared by reducing 0.02 mol/L silver nitrate by glucosamine in 0.075 mol/L ammonia and stabilizing the nanoparticles with 0.1% polyvinylpyrrolidone and the mixture is heated at 90 °C for 5 min. The prepared silver nanoparticles dispersed in water exhibit a bright yellow color due to a localized surface plasmon resonance band at 412 nm. The principle of glucosamine sensing is based on measuring the intensity of the surface plasmon resonance band at 412 nm which is directly proportional to the concentration of glucosamine with a linearity range (1 - 9 μg/mL), limit of detection 0.33 μg/mL and limit of quantitation 1.0 μg/mL. The proposed method was validated according to the ICH guidelines, and it was found to be accurate, precise, selective, and robust. The method was applied for determination of glucosamine in Joflex® capsules using the standard addition approach with mean % recovery ± standard deviation of 100.077 ± 1.786. The method is simple, rapid, and cost-effective and can be used for determination of glucosamine in bulk and in its pharmaceutical preparations.
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Affiliation(s)
- Mohamed Abdel Hamid
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Ahmed Habib
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Mokhtar Mabrouk
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Sherin Hammad
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Mahmoud Elshahawy
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Tanta University, Tanta, Egypt.
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5
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Paneque A, Fortus H, Zheng J, Werlen G, Jacinto E. The Hexosamine Biosynthesis Pathway: Regulation and Function. Genes (Basel) 2023; 14:genes14040933. [PMID: 37107691 PMCID: PMC10138107 DOI: 10.3390/genes14040933] [Citation(s) in RCA: 34] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/13/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The hexosamine biosynthesis pathway (HBP) produces uridine diphosphate-N-acetyl glucosamine, UDP-GlcNAc, which is a key metabolite that is used for N- or O-linked glycosylation, a co- or post-translational modification, respectively, that modulates protein activity and expression. The production of hexosamines can occur via de novo or salvage mechanisms that are catalyzed by metabolic enzymes. Nutrients including glutamine, glucose, acetyl-CoA, and UTP are utilized by the HBP. Together with availability of these nutrients, signaling molecules that respond to environmental signals, such as mTOR, AMPK, and stress-regulated transcription factors, modulate the HBP. This review discusses the regulation of GFAT, the key enzyme of the de novo HBP, as well as other metabolic enzymes that catalyze the reactions to produce UDP-GlcNAc. We also examine the contribution of the salvage mechanisms in the HBP and how dietary supplementation of the salvage metabolites glucosamine and N-acetylglucosamine could reprogram metabolism and have therapeutic potential. We elaborate on how UDP-GlcNAc is utilized for N-glycosylation of membrane and secretory proteins and how the HBP is reprogrammed during nutrient fluctuations to maintain proteostasis. We also consider how O-GlcNAcylation is coupled to nutrient availability and how this modification modulates cell signaling. We summarize how deregulation of protein N-glycosylation and O-GlcNAcylation can lead to diseases including cancer, diabetes, immunodeficiencies, and congenital disorders of glycosylation. We review the current pharmacological strategies to inhibit GFAT and other enzymes involved in the HBP or glycosylation and how engineered prodrugs could have better therapeutic efficacy for the treatment of diseases related to HBP deregulation.
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Affiliation(s)
- Alysta Paneque
- Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Harvey Fortus
- Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Julia Zheng
- Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Guy Werlen
- Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
| | - Estela Jacinto
- Department of Biochemistry and Molecular Biology, Robert Wood Johnson Medical School, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
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6
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Yousuf S, Siddique HR, Arjmand F, Tabassum S. Functionalized graphene oxide loaded GATPT as rationally designed vehicle for cancer-targeted drug delivery. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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7
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Almahayni K, Spiekermann M, Fiore A, Yu G, Pedram K, Möckl L. Small molecule inhibitors of mammalian glycosylation. Matrix Biol Plus 2022; 16:100108. [PMID: 36467541 PMCID: PMC9713294 DOI: 10.1016/j.mbplus.2022.100108] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 02/10/2022] [Accepted: 03/10/2022] [Indexed: 01/06/2023] Open
Abstract
Glycans are one of the fundamental biopolymers encountered in living systems. Compared to polynucleotide and polypeptide biosynthesis, polysaccharide biosynthesis is a uniquely combinatorial process to which interdependent enzymes with seemingly broad specificities contribute. The resulting intracellular cell surface, and secreted glycans play key roles in health and disease, from embryogenesis to cancer progression. The study and modulation of glycans in cell and organismal biology is aided by small molecule inhibitors of the enzymes involved in glycan biosynthesis. In this review, we survey the arsenal of currently available inhibitors, focusing on agents which have been independently validated in diverse systems. We highlight the utility of these inhibitors and drawbacks to their use, emphasizing the need for innovation for basic research as well as for therapeutic applications.
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Affiliation(s)
- Karim Almahayni
- Max Planck Institute for the Science of Light, 91058 Erlangen, Germany
| | - Malte Spiekermann
- Max Planck Institute for the Science of Light, 91058 Erlangen, Germany
| | - Antonio Fiore
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Guoqiang Yu
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA
| | - Kayvon Pedram
- Janelia Research Campus, Howard Hughes Medical Institute, Ashburn, VA 20147, USA,Corresponding authors.
| | - Leonhard Möckl
- Max Planck Institute for the Science of Light, 91058 Erlangen, Germany,Corresponding authors.
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8
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Tang N, Li L, Xie F, Lu Y, Zuo Z, Shan H, Zhang Q, Zhang L. A living cell-based fluorescent reporter for high-throughput screening of anti-tumor drugs. J Pharm Anal 2022; 11:808-814. [PMID: 35028187 PMCID: PMC8740116 DOI: 10.1016/j.jpha.2021.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 03/31/2021] [Accepted: 04/01/2021] [Indexed: 12/30/2022] Open
Abstract
Suppression of cellular O-linked β-N-acetylglucosaminylation (O-GlcNAcylation) can repress proliferation and migration of various cancer cells, which opens a new avenue for cancer therapy. Based on the regulation of insulin gene transcription, we designed a cell-based fluorescent reporter capable of sensing cellular O-GlcNAcylation in HEK293T cells. The fluorescent reporter mainly consists of a reporter (green fluorescent protein (GFP)), an internal reference (red fluorescent protein), and an operator (neuronal differentiation 1), which serves as a “sweet switch” to control GFP expression in response to cellular O-GlcNAcylation changes. The fluorescent reporter can efficiently sense reduced levels of cellular O-GlcNAcylation in several cell lines. Using the fluorescent reporter, we screened 120 natural products and obtained one compound, sesamin, which could markedly inhibit protein O-GlcNAcylation in HeLa and human colorectal carcinoma-116 cells and repress their migration in vitro. Altogether, the present study demonstrated the development of a novel strategy for anti-tumor drug screening, as well as for conducting gene transcription studies. The reporter developed in this study is living cell-based with convenient utility. The method can be used for high-throughput screening. The reporter is versatile with potential applicability in the discovery of OGT/GFAT inhibitors and antitumor drugs.
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Affiliation(s)
- Ningning Tang
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Ling Li
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Fei Xie
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Ying Lu
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Zifan Zuo
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Hao Shan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, China
| | - Quan Zhang
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
| | - Lianwen Zhang
- College of Pharmacy and Tianjin Key Laboratory of Molecular Drug Research, Nankai University, Tianjin, 300350, China
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9
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Lin ECY, Chen SW, Chen LK, Lin TA, Wu YX, Juan CC, Chang YI. Glucosamine Interferes With Myelopoiesis and Enhances the Immunosuppressive Activity of Myeloid-Derived Suppressor Cells. Front Nutr 2021; 8:762363. [PMID: 34901113 PMCID: PMC8660085 DOI: 10.3389/fnut.2021.762363] [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: 08/21/2021] [Accepted: 10/19/2021] [Indexed: 12/16/2022] Open
Abstract
Glucosamine (GlcN) is the most widely consumed dietary supplement and exhibits anti-inflammatory effects. However, the influence of GlcN on immune cell generation and function is largely unclear. In this study, GlcN was delivered into mice to examine its biological function in hematopoiesis. We found that GlcN promoted the production of immature myeloid cells, known as myeloid-derived suppressor cells (MDSCs), both in vivo and in vitro. Additionally, GlcN upregulated the expression of glucose transporter 1 in hematopoietic stem and progenitor cells (HSPCs), influenced HSPC functions, and downregulated key genes involved in myelopoiesis. Furthermore, GlcN increased the expression of arginase 1 and inducible nitric oxide synthase to produce high levels of reactive oxygen species, which was regulated by the STAT3 and ERK1/2 pathways, to increase the immunosuppressive ability of MDSCs. We revealed a novel role for GlcN in myelopoiesis and MDSC activity involving a potential link between GlcN and immune system, as well as the new therapeutic benefit.
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Affiliation(s)
- Eric Chang-Yi Lin
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
| | - Shuoh-Wen Chen
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
| | - Luen-Kui Chen
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
| | - Ting-An Lin
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan.,Department of Internal Medicine, School of Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan.,Division of Hematology and Oncology, Department of Medicine, Taipei Veterans General Hospital, Taipei City, Taiwan
| | - Yu-Xuan Wu
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
| | - Chi-Chang Juan
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
| | - Yuan-I Chang
- Department and Institute of Physiology, College of Medicine, National Yang Ming Chiao Tung University, Taipei City, Taiwan
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10
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Valinezhad Sani F, Palizban A, Mosaffa F, Jamialahmadi K. Glucosamine reverses drug resistance in MRP2 overexpressing ovarian cancer cells. Eur J Pharmacol 2019; 868:172883. [PMID: 31866406 DOI: 10.1016/j.ejphar.2019.172883] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 12/13/2019] [Accepted: 12/17/2019] [Indexed: 01/08/2023]
Abstract
Glucosamine (GlcN), a natural amino sugar in human body, was reported to exhibit anticancer activity against some tumors. In the present study, we evaluated the cytotoxicity and multi-drug resistance (MDR) reversal activity of GlcN on resistant MRP2-overexpressing ovarian cancer A2780RCIS cells. The cytotoxicity and MDR reversal activity of GlcN on cancer cells were measured by MTT assay. The effects of GlcN on MRP1 and MRP2 mRNA expression and function were evaluated by qRT-PCR and flow cytometry, respectively. The cell migration capacity of ovarian cancer cells were assessed in the presence or absence of GlcN using wound healing migration assay. Furthermore, the effects of GlcN on the mRNA expression of E-cadherin, vimentin and α-smooth muscle actin as Epithelial-Mesenchymal Transition (EMT)-related markers were evaluated by qRT-PCR. Our results indicated that glucosamine reduced the proliferation of human ovarian cancer cell lines (A2780) and its cisplatin resistant variant (A2780RCIS) in a dose-dependent manner. The IC50 values for A2780RCIS cells treated with cisplatin in the presence of different concentrations of GlcN (0, 1, 2 and 3 mM) for 72 h were 44.463 ± 1.603, 35.17 ± 0.025, 22.25 ± 0.018, 17.78 ± 0.012 μM respectively. Also GlcN decreased the expression of MRP1 and MRP2 mRNA in ovarian cancer cells. Our results further demonstrated that although GlcN had no significant effects on the expression of studied EMT-related markers in invasive A2780RCIS cells, it was able to inhibit their migration in vitro. According to these findings, GlcN could effectively enhance cisplatin cytotoxicity in resistant A2780RCIS cells.
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Affiliation(s)
- Fatemeh Valinezhad Sani
- Department of Clinical Biochemistry, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abbasali Palizban
- Department of Clinical Biochemistry, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Mosaffa
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Pharmaceutical Biotechnology(,) School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran; Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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11
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Valinezhad Sani F, Mosaffa F, Jamialahmadi K, Palizban A. Glucosamine Reverses P-Glycoprotein-Mediated Multidrug Resistance in the Daunorubicin-Resistant Human Gastric Cancer Cells. Nutr Cancer 2019; 72:522-527. [DOI: 10.1080/01635581.2019.1636102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Fatemeh Valinezhad Sani
- Department of Clinical Biochemistry, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Fatemeh Mosaffa
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khadijeh Jamialahmadi
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Medical Biotechnology and Nanotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Abbasali Palizban
- Department of Clinical Biochemistry, Faculty of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, Iran
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12
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Pazourek J. Determination of glucosamine and monitoring of its mutarotation by hydrophilic interaction liquid chromatography with evaporative light scattering detector. Biomed Chromatogr 2018; 32:e4368. [PMID: 30120782 DOI: 10.1002/bmc.4368] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2018] [Revised: 08/05/2018] [Accepted: 08/10/2018] [Indexed: 01/19/2023]
Abstract
Saccharides and their derivatives are typical polar analytes without a suitable UV-chromophore that are nowadays analyzed by HPLC (high-performance liquid chromatography) under HILIC (hydrophilic interaction liquid chromatography) mode. Usually an evaporative light scattering detector (ELSD) is utilized which, however, gives a nonlinear response. A procedure to overcome the problem of mutarotating (time-varying) analytes recorded with such a nonlinear response detector is described. The procedure was applied for determination of glucosamine in two commercially available pharmaceutical formulations containing the common inorganic ions that the detector gives a response to. Under optimized conditions, both the anomers of glucosamine were separated and could be determined separately. Owing to the short retention time of the analyte (a run time <4 min) and relatively slow kinetics of the anomeric conversion (equilibration time 2.5 h), mutarotation could be monitored and corresponding rate constants calculated.
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Affiliation(s)
- Jiří Pazourek
- Department of Chemical Drugs, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
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Wang LS, Chen SJ, Zhang JF, Liu MN, Zheng JH, Yao XD. Anti-proliferative potential of Glucosamine in renal cancer cells via inducing cell cycle arrest at G0/G1 phase. BMC Urol 2017; 17:38. [PMID: 28558682 PMCID: PMC5450348 DOI: 10.1186/s12894-017-0221-7] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2016] [Accepted: 04/12/2017] [Indexed: 12/18/2022] Open
Abstract
Background Renal cell carcinoma (RCC) is one of the most common types of cancer in urological system worldwide. Recently, the anticancer role of Glucosamine has been studied in many types of cancer. The aim of this study was to investigate the effects of Glucosamine on RCC. Methods The effects of Glucosamine on RCC cell proliferation and apoptosis were investigated by MTT assay and Annexin V-FITC Apoptosis assay, respectively in vitro. Cell cycle was detected by flow cytometry after treatment with Glucosamine. Protein levels of several cell cycle associated markers were examined by Western Blot. Results Our data showed that Glucosamine significantly inhibited the proliferation of renal cancer 786-O and Caki-1 cells in a dose-dependent manner. Besides, Glucosamine treatment resulted in cell cycle arrest at G0/G1 phase in both cell lines. Meanwhile, the expression of several regulators that contribute to G1/S phased transition, such as Cyclin D1, CDK4 and CDK6, were significantly down-regulated with the up-regulation of cell cycle inhibitors, p21 and p53, after treatment with glucosamine. However, the apoptosis rate of RCC cells was down-regulated when treatment with Glucosamine at 1 mM and 5 mM, while up-regulated at 10 mM. Conclusions Our findings indicated that Glucosamine inhibited the proliferation of RCC cells by promoting cell cycle arrest at G0/G1 phase, but not promoting apoptosis. The present results suggested that Glucosamine might be a potential therapeutic agent in RCC treatment in the future.
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Affiliation(s)
- Long-Sheng Wang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China
| | - Shao-Jun Chen
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China
| | - Jun-Feng Zhang
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China
| | - Meng-Nan Liu
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China
| | - Jun-Hua Zheng
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China.
| | - Xu-Dong Yao
- Department of Urology, Shanghai Tenth People's Hospital, Tongji University, School of Medicine, Shanghai, 200072, China.
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Erickson BK, Rose CM, Braun CR, Erickson AR, Knott J, McAlister GC, Wühr M, Paulo JA, Everley RA, Gygi SP. A Strategy to Combine Sample Multiplexing with Targeted Proteomics Assays for High-Throughput Protein Signature Characterization. Mol Cell 2017; 65:361-370. [PMID: 28065596 DOI: 10.1016/j.molcel.2016.12.005] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2016] [Revised: 10/05/2016] [Accepted: 12/02/2016] [Indexed: 12/30/2022]
Abstract
Targeted mass spectrometry assays for protein quantitation monitor peptide surrogates, which are easily multiplexed to target many peptides in a single assay. However, these assays have generally not taken advantage of sample multiplexing, which allows up to ten analyses to occur in parallel. We present a two-dimensional multiplexing workflow that utilizes synthetic peptides for each protein to prompt the simultaneous quantification of >100 peptides from up to ten mixed sample conditions. We demonstrate that targeted analysis of unfractionated lysates (2 hr) accurately reproduces the quantification of fractionated lysates (72 hr analysis) while obviating the need for peptide detection prior to quantification. We targeted 131 peptides corresponding to 69 proteins across all 60 National Cancer Institute cell lines in biological triplicate, analyzing 180 samples in only 48 hr (the equivalent of 16 min/sample). These data further elucidated a correlation between the expression of key proteins and their cellular response to drug treatment.
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Affiliation(s)
- Brian K Erickson
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Christopher M Rose
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Craig R Braun
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Alison R Erickson
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA 02115, USA
| | | | - Graeme C McAlister
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Martin Wühr
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Joao A Paulo
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA
| | - Robert A Everley
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA; Laboratory of Systems Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
| | - Steven P Gygi
- Department of Cell Biology, Harvard Medical School, Boston, MA 02115, USA.
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Carvalho AS, Ribeiro H, Voabil P, Penque D, Jensen ON, Molina H, Matthiesen R. Global mass spectrometry and transcriptomics array based drug profiling provides novel insight into glucosamine induced endoplasmic reticulum stress. Mol Cell Proteomics 2014; 13:3294-307. [PMID: 25128556 DOI: 10.1074/mcp.m113.034363] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
We investigated the molecular effects of glucosamine supplements, a popular and safe alternative to nonsteroidal anti-inflammatory drugs, for decreasing pain, inflammation, and maintaining healthy joints. Numerous studies have reported an array of molecular effects after glucosamine treatment. We questioned whether the differences in the effects observed in previous studies were associated with the focus on a specific subproteome or with the use of specific cell lines or tissues. To address this question, global mass spectrometry- and transcription array-based glucosamine drug profiling was performed on malignant cell lines from different stages of lymphocyte development. We combined global label-free MS-based protein quantitation with an open search for modifications to obtain the best possible proteome coverage. Our data were largely consistent with previous studies in a variety of cellular models. We mainly observed glucosamine induced O-GlcNAcylation/O-GalNAcylation (O-HexNAcylation); however, we also observed global and local changes in acetylation, methylation, and phosphorylation. For example, our data provides two additional examples of "yin-yang" between phosphorylation and O-HexNAcylation. Furthermore, we mapped novel O-HexNAc sites on GLU2B and calnexin. GLU2B and calnexin are known to be located in the endoplasmic reticulum (ER) and involved in protein folding and quality control. The O-HexNAc sites were regulated by glucosamine treatment and correlated with the up-regulation of the ER stress marker GRP78. The occupancy of O-HexNAc on GLU2B and calnexin sites differed between the cytosolic and nuclear fractions with a higher occupancy in the cytosolic fraction. Based on our data we propose the hypothesis that O-HexNAc either inactivates calnexin and/or targets it to the cytosolic fraction. Further, we hypothesize that O-HexNAcylation induced by glucosamine treatment enhances protein trafficking.
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Affiliation(s)
- Ana Sofia Carvalho
- From the ‡Proteolysis in Diseases, IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; §Human Genetics Department, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisboa, Portugal
| | - Helena Ribeiro
- From the ‡Proteolysis in Diseases, IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Paula Voabil
- From the ‡Proteolysis in Diseases, IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal
| | - Deborah Penque
- §Human Genetics Department, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisboa, Portugal
| | - Ole N Jensen
- ¶Department of Biochemistry and Molecular Biology, University of Southern Denmark, DK-5230 Odense
| | - Henrik Molina
- ‖Proteomics Resource Center, The Rockefeller University, 1230 York Avenue, New York, New York 10065-6399
| | - Rune Matthiesen
- From the ‡Proteolysis in Diseases, IPATIMUP, Institute of Molecular Pathology and Immunology of the University of Porto, Rua Dr. Roberto Frias s/n, 4200-465 Porto, Portugal; §Human Genetics Department, National Institute of Health Dr Ricardo Jorge, Av. Padre Cruz, 1649-016 Lisboa, Portugal;
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Chesnokov V, Gong B, Sun C, Itakura K. Anti-cancer activity of glucosamine through inhibition of N-linked glycosylation. Cancer Cell Int 2014; 14:45. [PMID: 24932134 PMCID: PMC4057579 DOI: 10.1186/1475-2867-14-45] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Accepted: 05/13/2014] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND We have reported that the glucosamine suppressed the proliferation of the human prostate carcinoma cell line DU145 through inhibition of STAT3 signaling. DU145 cells autonomously express IL-6 and the IL-6/STAT3 signaling is activated. IL-6 receptor subunits are subject to N-glycosylation, a posttranslational modification which is important for protein stability and function. We speculated that the inhibition of STAT3 phosphorylation by glucosamine might be a functional consequence of the reduced N-glycosylation of gp130. METHODS The human prostate cancer cell lines DU145 and PC-3 and human melanoma cell line A2058 were used in this study. Glucosamine effects on N-glycosylation of glycoproteins were determined by Western blot analysis. IL-6 binding to DU145 cells was analyzed by flow cytometry. The cell proliferation suppression was investigated by colorimetric Janus green staining method. RESULTS In DU145 cells glucosamine reduced the N-glycosylation of gp130, decreased IL-6 binding to cells and impaired the phosphorylation of JAK2, SHP2 and STAT3. Glucosamine acts in a very similar manner to tunicamycin, an inhibitor of protein N-glycosylation. Glucosamine-mediated inhibition of N-glycosylation was neither protein- nor cell-specific. Sensitivity of DU145, A2058 and PC-3 cells to glucosamine-induced inhibition of N-glycosylation were well correlated to glucosamine cytotoxicity in these cells. CONCLUSION Our results suggested that the glucosamine-induced global inhibition of protein N-glycosylation might be the basic mechanism underlying its multiple biochemical and cellular effects.
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Affiliation(s)
- Viktor Chesnokov
- Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope National Medical Center, 1500 East Duarte Road, Duarte, California 91010, USA
| | - Beata Gong
- Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope National Medical Center, 1500 East Duarte Road, Duarte, California 91010, USA
| | - Chao Sun
- Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope National Medical Center, 1500 East Duarte Road, Duarte, California 91010, USA
| | - Keiichi Itakura
- Department of Molecular and Cellular Biology, Beckman Research Institute of City of Hope National Medical Center, 1500 East Duarte Road, Duarte, California 91010, USA
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JO JEONGRANG, PARK YUKYOUNG, JANG BYEONGCHURL. Short-term treatment with glucosamine hydrochloride specifically downregulates hypoxia-inducible factor-1α at the protein level in YD-8 human tongue cancer cells. Int J Oncol 2014; 44:1699-706. [DOI: 10.3892/ijo.2014.2336] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2013] [Accepted: 02/04/2014] [Indexed: 11/06/2022] Open
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Boyère C, Duhem N, Debuigne A, Préat V, Jérôme C, Riva R. Elaboration of drug nanocarriers based on a glucosamine labeled amphiphilic polymer. Polym Chem 2014. [DOI: 10.1039/c3py01730c] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new amphiphilic polymer was successfully synthesized using a metal free synthetic strategy for the elaboration of glucosamine labeled drug carriers.
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Affiliation(s)
- C. Boyère
- University of Liège
- Center for Education and Research on Macromolecules (CERM)
- Chemistry Department
- 4000 Liège
- Belgium
| | - N. Duhem
- Université Catholique de Louvain
- Louvain Drug Research Institute (LDRI)
- Unit of Pharmaceutics
- 1200 Brussels
- Belgium
| | - A. Debuigne
- University of Liège
- Center for Education and Research on Macromolecules (CERM)
- Chemistry Department
- 4000 Liège
- Belgium
| | - V. Préat
- Université Catholique de Louvain
- Louvain Drug Research Institute (LDRI)
- Unit of Pharmaceutics
- 1200 Brussels
- Belgium
| | - C. Jérôme
- University of Liège
- Center for Education and Research on Macromolecules (CERM)
- Chemistry Department
- 4000 Liège
- Belgium
| | - R. Riva
- University of Liège
- Center for Education and Research on Macromolecules (CERM)
- Chemistry Department
- 4000 Liège
- Belgium
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Tsai JH, Schulte M, O'Neill K, Chi MMY, Frolova AI, Moley KH. Glucosamine inhibits decidualization of human endometrial stromal cells and decreases litter sizes in mice. Biol Reprod 2013; 89:16. [PMID: 23718985 DOI: 10.1095/biolreprod.113.108571] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
Embryo implantation in the uterus depends on decidualization of the endometrial stromal cells (ESCs), and glucose utilization via the pentose phosphate pathway is critical in this process. We hypothesized that the amino sugar glucosamine may block the pentose phosphate pathway via inhibition of the rate-limiting enzyme glucose-6-phosphate dehydrogenase in ESCs and therefore impair decidualization and embryo implantation, thus preventing pregnancy. Both human primary and immortalized ESCs were decidualized in vitro in the presence of 0, 2.5, or 5 mM glucosamine for 9 days. Viability assays demonstrated that glucosamine was well tolerated by human ESCs. Exposure of human ESCs to glucosamine resulted in significant decreases in the activity and expression of glucose-6-phosphate dehydrogenase and in the mRNA expression of the decidual markers prolactin, somatostatin, interleukin-15, and left-right determination factor 2. In mouse ESCs, expression of the decidual marker Prp decreased upon addition of glucosamine. In comparison with control mice, glucosamine-treated mice showed weak artificial deciduoma formation along the stimulated uterine horn. In a complementary in vivo experiment, a 60-day-release glucosamine (15, 150, or 1500 μg) or placebo pellet was implanted in a single uterine horn of mice. Mice with a glucosamine pellet delivered fewer live pups per litter than those with a control pellet, and pup number returned to normal after the end of the pellet-active period. In conclusion, glucosamine is a nonhormonal inhibitor of decidualization of both human and mouse ESCs and of pregnancy in mice. Our data indicate the potential for development of glucosamine as a novel, reversible, nonhormonal contraceptive.
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Affiliation(s)
- Jui-He Tsai
- Department of Obstetrics and Gynecology, Washington University School of Medicine, St. Louis, MO, USA
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20
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Ajavakom A, Supsvetson S, Somboot A, Sukwattanasinitt M. Products from microwave and ultrasonic wave assisted acid hydrolysis of chitin. Carbohydr Polym 2012; 90:73-7. [DOI: 10.1016/j.carbpol.2012.04.064] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2012] [Revised: 04/26/2012] [Accepted: 04/27/2012] [Indexed: 11/15/2022]
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Abstract
Proliferative vitreoretinopathy is a disease process that follows the proliferation of ectopic cell sheets in the vitreous and/or periretinal area, causing periretinal membrane formation and traction, in patients with rhegmatogenous retinal detachments. Currently, vitreous surgery is the standard treatment; however, the results aren't satisfactory given the vision loss that ensues and that redetachment is relatively common. It is becoming clearer that there exists an interplay between various cytokines/growth factors, matrix proteins, and the different cell types that drive the undesirable formation of periretinal membranes. This fundamental understanding is aiding in identifying different adjunct agents that can block the cellular events intrinsic to proliferative vitreoretinopathy. In this review, we describe the current understanding on the pathogenesis and discuss how the fundamental understanding of the biochemical/molecular events is instrumental in developing the novel treatment strategies that are also highlighted.
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Affiliation(s)
- Ama Sadaka
- Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Boston, MA, USA
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Jung CW, Jo JR, Lee SH, Park YK, Jung NK, Song DK, Bae J, Nam KY, Ha JS, Park IS, Park GY, Jang BC, Park JW. Anti-cancer properties of glucosamine-hydrochloride in YD-8 human oral cancer cells: Induction of the caspase-dependent apoptosis and down-regulation of HIF-1α. Toxicol In Vitro 2012; 26:42-50. [DOI: 10.1016/j.tiv.2011.10.005] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2011] [Revised: 07/28/2011] [Accepted: 10/06/2011] [Indexed: 12/25/2022]
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Brasky TM, Kristal AR, Navarro SL, Lampe JW, Peters U, Patterson RE, White E. Specialty supplements and prostate cancer risk in the VITamins and Lifestyle (VITAL) cohort. Nutr Cancer 2011; 63:573-82. [PMID: 21598177 DOI: 10.1080/01635581.2011.553022] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Although there is evidence from studies of prostate cancer cell lines and rodent models that several supplements may have antiinflammatory, antioxidant, or other anticancer properties, few epidemiologic studies have examined the association between nonvitamin, nonmineral, "specialty" supplement use and prostate cancer risk. Participants, 50-76 yr, were 35,239 male members of the VITamins and Lifestyle (VITAL) cohort who were residents of western Washington state, and who completed an extensive baseline questionnaire in 2000-2002. Participants responded about their frequency (days/wk) and duration (yr) of specialty supplement uses. 1,602 incident invasive prostate cancers were obtained from the Surveillance, Epidemiology, and End Results registry. Multivariate-adjusted hazards ratios (HR) and 95% confidence intervals (95% CI) were estimated by Cox proportional hazards models. Any use of grapeseed supplements was associated with a 41% (HR 0.59, 95% CI: 0.40-0.86) reduced risk of total prostate cancer. There were no associations for use of chondroitin, coenzyme Q10, fish oil, garlic, ginkgo biloba, ginseng, glucosamine, or saw palmetto. Grapeseed may be a potential chemopreventive agent; however, as current evidence is limited, it should not yet be promoted for prevention of prostate cancer.
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Affiliation(s)
- Theodore M Brasky
- Cancer Prevention Program, Fred Hutchinson Cancer Research Center, Seattle, Washington 98109-1024, USA.
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Prognostic value of survivin expression in parotid gland cancer in consideration of different histological subtypes. Eur J Cancer 2011; 47:1013-20. [DOI: 10.1016/j.ejca.2011.02.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2010] [Revised: 02/02/2011] [Accepted: 02/03/2011] [Indexed: 11/22/2022]
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Liang CM, Tai MC, Chang YH, Chen YH, Chen CL, Chien MW, Chen JT. Glucosamine inhibits epidermal growth factor-induced proliferation and cell-cycle progression in retinal pigment epithelial cells. Mol Vis 2010; 16:2559-71. [PMID: 21151603 PMCID: PMC3000239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2010] [Accepted: 11/28/2010] [Indexed: 11/17/2022] Open
Abstract
PURPOSE To investigate the effects and mechanisms of glucosamine (GlcN) on the proliferation of retinal pigment epithelial cells in response to epidermal growth factor (EGF). METHODS Cell proliferation was measured in the human retinal pigment epithelial cell line (ARPE-19) cells with the 4-[3-(4iodophenyl)-2-(4-nitrophenyl)-2H-5-tetrazolio]-1,3-benzene disulfonate (WST-1) assay and cell counting. The results were confirmed in human donor cells with the carboxyfluorescein diacetate succinimidyl ester cell proliferation assay (CFSE) cell proliferation assay. In ARPE-19 cells, cell-cycle progression was determined by flow cytometry; the protein levels of cell cycle regulators and heat shock protein 90 (Hsp90) were measured by western blotting; the levels and branching of N-glycans were assessed using the L-Phaseolus vulgaris agglutinin lectin-binding assay; and the modulation of N-glycans on EGF receptor (EGFR) was examined by western blotting. RESULTS GlcN inhibited retinal pigment epithelium (RPE) proliferation in a dose-dependent manner. During cell-cycle progression induced by EGF, GlcN caused delays at the G(1)-S and G(2)-M transitions without affecting cell viability. GlcN modulated the level and branching of N-glycans on EGFR, suppressed phosphorylation of EGFR, and reduced phosphorylation of extracellular signal-regulated kinases, erine/threonine protein kinase, and the signal transducer and activator of transcription 3 (STAT3). GlcN had only minor effects on the expression of Hsp90, Grp78, and transcription factor CHOP/GADD 153 markers of nonspecific stress in the endoplasmic reticulum. CONCLUSIONS GlcN effectively suppressed proliferation of RPE cells in vitro. This effect appeared to be achieved through modification of N-glycans on EGFR. Further research into the role of GlcN as a potential agent for the prevention and treatment of RPE-mediated ocular proliferative disorders, such as proliferative vitreoretinopathy, and other EGF-dependent proliferative cell-growth disorders, is warranted.
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Affiliation(s)
- Chang-Min Liang
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei, Taiwan, Republic of China,Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China
| | - Ming-Cheng Tai
- Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China
| | - Yun-Hsiang Chang
- Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China
| | - Yi-Hao Chen
- Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China
| | - Ching-Long Chen
- Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China
| | - Ming-Wei Chien
- Department of Ophthalmology, School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China
| | - Jiann-Torng Chen
- Graduate Institute of Medical Science, National Defense Medical Center, Taipei, Taiwan, Republic of China,Department of Ophthalmology, Tri-Service General Hospital, Taipei, Taiwan, Republic of China,Department of Ophthalmology, School of Medicine, National Defense Medical Center, Taipei, Taiwan, Republic of China
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Park K, Lee JH, Cho HC, Cho SY, Cho JW. Down-regulation of IL-6, IL-8, TNF-α and IL-1β by glucosamine in HaCaT cells, but not in the presence of TNF-α. Oncol Lett 2010; 1:289-292. [PMID: 22966296 DOI: 10.3892/ol_00000051] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2009] [Accepted: 12/30/2009] [Indexed: 12/20/2022] Open
Abstract
There is considerable evidence that glucosamine exerts an inhibitory effect on inflammatory cytokine expression in cells. Glucosamine has been recommended as a promising anti-inflammatory modulator, which has been applied in clinical trials for attenuation of the inflammatory process. However, it is unknown whether glucosamine reduces the expression of TNF-α-induced inflammatory cytokines in HaCaT cells. The anti-inflammatory effects of curcumin in HaCaT cells have been extensively investigated in several studies. Thus, in this study we investigated the expression of IL-6, IL-8, TNF-α and IL-1β in glucosamine-treated HaCaT cells, and the effects of glucosamine were compared to those of curcumin-treated HaCaT cells. Our data showed that the expression of IL-6, IL-8, TNF-α and IL-1β was decreased by glucosamine treatment in the HaCaT cells. In contrast, the expression of IL-6, IL-8, TNF-α and IL-1β was not attenuated by glucosamine treatment in the TNF-α-treated HaCaT cells. Notably, curcumin induced an increased expression of IL-8 and IL-1β in the HaCaT cells, but not that of IL-6 and TNF-α. On the other hand, curcumin attenuated the expression of IL-6 and IL-8 in the TNF-α-treated HaCaT cells. Our data indicated that glucosamine induced the down-regulation of IL-6, IL-8, TNF-α and IL-1β expression in the HaCaT cells. However, the stimulation of TNF-α abolished the inhibitory effects of glucosamine on the expression of inflammatory cytokines in the HaCaT cells. Thus, even though glucosamine induces the down-regulation of inflammatory cytokines in HaCaT cells, the anti-inflammatory role of glucosamine in TNF-α-mediated inflammatory skin diseases should be investigated.
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Affiliation(s)
- Kun Park
- Department of Dermatology, College of Medicine Eulji University, Seoul
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