1
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Zhen K, Hou W, Bai L, Wang M, Yue Z, Xu Z, Xiong D, Gao L, Ying W. An effective urobilin clearance strategy based on paramagnetic beads facilitates microscale proteomic analysis of urine. Analyst 2024; 149:3625-3635. [PMID: 38775334 DOI: 10.1039/d4an00312h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/25/2024]
Abstract
Urine provides an ideal source for disease biomarker discovery. High-adhesion contaminants such as urobilin, which are difficult to remove from urine, can severely interfere with urinary proteomic analysis. Here, we aimed to establish a strategy based on single-pot, solid-phase-enhanced sample preparation (SP3) technology to prepare samples for urinary proteomics analysis that almost completely eliminates the impact of urobilin. A systematic evaluation of the effects of two urinary protein precipitation methods, two types of protein lysis buffers, and different ratios of magnetic digestion beads on the identification and quantification of the microscale urinary proteome was conducted. Our results indicate that methanol-chloroform precipitation, coupled with efficient lysis facilitated by urea, and subsequent enzymatic digestion using a mix of hydrophilic and hydrophobic magnetic beads offers the best performance. Further applying this strategy to the urine of patients with benign prostatic hyperplasia, prostate cancer and healthy individuals, combined with a narrow window of data-independent acquisition, FGFR4, MYLK, ORM2, GOLM1, SPP1, CD55, CSF1, DLD and TIMP3 were identified as potential biomarkers to discriminate benign prostatic hyperplasia and prostate cancer patients.
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Affiliation(s)
- Kemiao Zhen
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Wenhao Hou
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Lu Bai
- Department of Urology Surgery, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China.
| | - Mingchao Wang
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Zhan Yue
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Zanxin Xu
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
| | - Deyun Xiong
- Department of Urology Surgery, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China.
| | - Li Gao
- Department of Urology Surgery, The Second Affiliated Hospital of Guilin Medical University, Guilin, 541199, China.
| | - Wantao Ying
- State Key Laboratory of Medical Proteomics, Beijing Proteome Research Center, National Center for Protein Sciences (Beijing), Beijing Institute of Lifeomics, Beijing, 102206, China.
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Tuncer C, Hacioglu C. Borax induces ferroptosis of glioblastoma by targeting HSPA5/NRF2/GPx4/GSH pathways. J Cell Mol Med 2024; 28:e18206. [PMID: 38494858 PMCID: PMC10945083 DOI: 10.1111/jcmm.18206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 02/09/2024] [Accepted: 02/16/2024] [Indexed: 03/19/2024] Open
Abstract
Glioblastoma multiforme (GBM) is a highly aggressive and lethal form of primary brain tumour. Borax has been demonstrated to exhibit anti-cancer activity through cell death pathways. However, the specific impact of borax on ferroptosis in GBM is not well-established, and the underlying regulatory mechanisms remain unclear. Initially, the effective concentration of borax on cell viability and proliferation in U251 and A172 cells was determined. Subsequently, the effects of borax on the wound healing were analysed. Nuclear factor erythroid 2-related factor 2 (NRF2), glutathione peroxidase 4 (GPx4), glutathione (GSH), HSP70 protein 5 (HSPA5), malondialdehyde (MDA) levels and caspase-3/7 activity were determined in borax-treated and untreated cells. Finally, the protein expression levels of HSPA5, NRF2 and GPx4 were analysed. Borax suppressed cell viability and proliferation in U251 and A172 cells in a concentration- and time-dependent manner. In addition, borax treatment decreased GPx4, GSH, HSPA5 and NRF2 levels in U251 and A172 cells while increasing MDA levels and caspase-3/7 activity. Moreover, borax reduced mRNA and protein levels of HSPA5, NRF2 and GPx4 in U251 and A172 cells. Consequently, borax may induce ferroptosis in GBM cells and regulate the associated regulatory mechanisms targeting NRF2 and HSPA5 pathways. This knowledge may contribute to the development of novel therapeutic approaches targeting ferroptosis in GBM and potentially improve patient outcomes.
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Affiliation(s)
- Cengiz Tuncer
- Department of Neurosurgery, Faculty of MedicineDüzce UniversityDüzceTurkey
| | - Ceyhan Hacioglu
- Department of Biochemistry, Faculty of PharmacyDüzce UniversityDüzceTurkey
- Department of Medical Biochemistry, Faculty of MedicineDüzce UniversityDüzceTurkey
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3
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Dey M, Sharma A, Dhanawat G, Gupta D, Harshan KH, Parveen N. Synergistic Binding of SARS-CoV-2 to ACE2 and Gangliosides in Native Lipid Membranes. ACS Infect Dis 2024; 10:907-916. [PMID: 38412250 DOI: 10.1021/acsinfecdis.3c00519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
Viruses utilize cell surface glycans and plasma membrane receptors to attain an adequate attachment strength for initiating cellular entry. We show that SARS-CoV-2 particles bind to endogenous ACE2 receptors and added sialylated gangliosides in near-native membranes. This was explored using supported membrane bilayers (SMBs) that were formed using plasma membrane vesicles having endogenous ACE2 and GD1a gangliosides reconstituted in lipid vesicles. The virus binding rate to the SMBs is influenced by GD1a and inhibition of the ganglioside reduces the extent of virus binding to the membrane receptors. Using combinations of inhibition assays, we confirm that added GD1a in lipid membranes increases the availability of the endogenous ACE2 receptor and results in the synergistic binding of SARS-CoV-2 to the membrane receptors in SMBs.
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Affiliation(s)
- Manorama Dey
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Anurag Sharma
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Garvita Dhanawat
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
| | - Divya Gupta
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad 500007, India
| | - Krishnan H Harshan
- CSIR-Centre for Cellular and Molecular Biology, Hyderabad 500007, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Nagma Parveen
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur 208016, India
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Sevimli M, Bayram D, Özgöçmen M, Armağan I, Semerci Sevimli T. Boric acid suppresses cell proliferation by TNF signaling pathway mediated apoptosis in SW-480 human colon cancer line. J Trace Elem Med Biol 2022; 71:126958. [PMID: 35219976 DOI: 10.1016/j.jtemb.2022.126958] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/18/2022] [Indexed: 12/26/2022]
Abstract
BACKGROUND/AIM Colon cancer is one of the most common cancers. Treatment success and survival rates are not high enough with current approaches. Therefore, there is a need to develop new agents and treatment methods. Boric acid is the most frequently observed form of boron. Some epidemiological data suggest that environmental exposure to boric acid reduces the incidence of prostate cancer in men, cervical and lung cancers in women. Experimental studies show, boric acid reduces cell proliferation and stimulates apoptosis in some prostate, melanoma, breast cancer cell lines. In this study, it was investigated whether boric acid could be a new candidate molecule that could be used in the treatment of colon cancer. MATERIALS AND METHODS The effects of boric acid on human colon adenocarcinoma cell line SW-480 were investigated with BrdU, TUNEL, Caspase-3, and AIF immunohistochemical studies in both 2D and 3D culture systems. In addition, a qRT-PCR study was carried out to determine the expression changes in key genes that take part in apoptosis. RESULTS We observed that boric acid suppresses cell proliferation and induces apoptosis both in 2D and 3D culture conditions. In addition, as a result of qRt-PCR studies, it was revealed that the observed apoptotic process was related to the TNF signaling pathway. CONCLUSION Boric acid can be considered as a potential anti-cancer agent candidate for colon cancer treatment. DATA AVAILABILITY All data generated or analyzed during this study are included in this published article.
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Affiliation(s)
- Murat Sevimli
- Suleyman Demirel University, Faculty of Medicine, Department of Histology and Embryology, Isparta, Turkey.
| | - Dilek Bayram
- Suleyman Demirel University, Faculty of Medicine, Department of Histology and Embryology, Isparta, Turkey
| | - Meltem Özgöçmen
- Suleyman Demirel University, Faculty of Medicine, Department of Histology and Embryology, Isparta, Turkey
| | - Ilkay Armağan
- Suleyman Demirel University, Faculty of Medicine, Department of Histology and Embryology, Isparta, Turkey
| | - Tuğba Semerci Sevimli
- Eskisehir Osmangazi University, Institue of Health Sciences, Department of Stem Cell, Eskisehir, Turkey; Eskisehir Osmangazi University, Cellular Therapy and Stem Cell Production Application and Research Center (ESTEM), Eskisehir, Turkey
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5
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Horst FH, Rodrigues CVDS, Carvalho PHPR, Leite AM, Azevedo RB, Neto BAD, Corrêa JR, Garcia MP, Alotaibi S, Henini M, Chaves SB, Rodrigues MO. From cow manure to bioactive carbon dots: a light-up probe for bioimaging investigations, glucose detection and potential immunotherapy agent for melanoma skin cancer. RSC Adv 2021; 11:6346-6352. [PMID: 35423156 PMCID: PMC8694864 DOI: 10.1039/d0ra10859f] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2020] [Accepted: 01/18/2021] [Indexed: 02/04/2023] Open
Abstract
Bioactive carbon dots (C-dots) with ca. 4 nm were successfully produced with singular photophysical properties, low-toxicity and interesting immunological response. The optical properties of the C-dots were investigated and the "light-up" behaviour enabled them to be explored in glucose detection and bioimaging experiments (mitochondrial selective probe). C-dots were not selective to the tumour region and several fluorescent spots were visualized spread on animal bodies. The histology investigations showed that cancer-bearing mice treated with C-dots presented a large number of regions with necrosis and inflammatory infiltrates, which were not identified for cancer-bearing mice without the treatment. These results suggested that C-dots have the potential to be explored as an immune therapy agent for melanoma skin cancer.
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Affiliation(s)
- Frederico Hillesheim Horst
- Department of Genetics and Morphology, Institute of Biological Sciences Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Carime Vitória da Silva Rodrigues
- LIMA-Laboratório de Inorgânica e Materiais, University of Brasilia Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | | | - Amanda Monteiro Leite
- LIMA-Laboratório de Inorgânica e Materiais, University of Brasilia Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Ricardo Bentes Azevedo
- Department of Genetics and Morphology, Institute of Biological Sciences Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Brenno A D Neto
- Laboratory of Medicinal & Technological Chemistry, University of Brasilia Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - José Raimundo Corrêa
- Laboratory of Medicinal & Technological Chemistry, University of Brasilia Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Mônica Pereira Garcia
- Department of Genetics and Morphology, Institute of Biological Sciences Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Saud Alotaibi
- School of Physics and Astronomy, Nottingham University Nottingham NG72RD UK
| | - Mohamed Henini
- School of Physics and Astronomy, Nottingham University Nottingham NG72RD UK
| | - Sacha Braun Chaves
- Department of Genetics and Morphology, Institute of Biological Sciences Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
| | - Marcelo Oliveira Rodrigues
- LIMA-Laboratório de Inorgânica e Materiais, University of Brasilia Campus Universitário Darcy Ribeiro Brasília-DF CEP 70910900 Brazil
- School of Physics and Astronomy, Nottingham University Nottingham NG72RD UK
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6
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Hacioglu C, Kar F, Kacar S, Sahinturk V, Kanbak G. High Concentrations of Boric Acid Trigger Concentration-Dependent Oxidative Stress, Apoptotic Pathways and Morphological Alterations in DU-145 Human Prostate Cancer Cell Line. Biol Trace Elem Res 2020; 193:400-409. [PMID: 31066018 DOI: 10.1007/s12011-019-01739-x] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 04/17/2019] [Indexed: 12/21/2022]
Abstract
Boric acid is known to regulate the proliferation of cancer cells. Prostate cancer is among the types of cancer with high mortality in men. There are a few numbers of studies investigating the effects of boric acid on prostate cancer cells. The objective of the present study was to assess the effects of boric acid at concentrations higher than that can be achieved in blood by dietary intake on DU-145 human prostate cancer cells for 24 h. Firstly, we determined the cytotoxic activity of boric acid (0 to 12.5 mM) on DU-145 human prostate cancer cells by using 3-(4, 5-dimethylthiazol, 2-yl)-2, 5-diphenyl tetrazolium bromide (MTT) and defined the IC50 concentration of boric acid. Then, by employing the doses found in MTT, the levels of antioxidant-oxidant molecules and apoptotic proteins were measured and morphological changes were evaluated. We have concluded that boric acid caused oxidative stress, inhibition of cell growth, apoptosis, and morphological alterations in a concentration-dependent manner in DU-145 cells. Furthermore, treatments with increasing boric acid concentrations decreased the antioxidant levels in cells. We actually revealed that boric acid, known as an antioxidant, may prevent cell proliferation by acting as an oxidant in certain doses. Although the high IC50 concentration of boric acid is perceived to be negative, we think it provides important background for subsequent studies.
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Affiliation(s)
- Ceyhan Hacioglu
- Department of Medical Biochemistry, Faculty of Medicine, Duzce University, Duzce, Turkey.
| | - Fatih Kar
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Sedat Kacar
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Varol Sahinturk
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
| | - Gungor Kanbak
- Department of Medical Biochemistry, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
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7
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Shi X, Gong L, Liu Y, Hou K, Fan Y, Li C, Wen T, Qu X, Che X. 4-phenylbutyric acid promotes migration of gastric cancer cells by histone deacetylase inhibition-mediated IL-8 upregulation. Epigenetics 2019; 15:632-645. [PMID: 31814524 DOI: 10.1080/15592294.2019.1700032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Histone acetylation is regulated by histone acetyltransferases (HATs) and histone deacetylases (HDACs). It is associated with gene transcription and expression. 4-Phenylbutyric acid (4-PBA), an HDAC inhibitor (HDACi), can inhibit cancer cell proliferation by increasing the level of histone acetylation. However, 4-PBA did not show any efficacy in clinical trials. In this study, we found that 4-PBA induced epithelial-mesenchymal transition (EMT) in gastric cancer cell lines MGC-803 and BGC-823 with ectopic E-cadherin expression. Based on the expression profile microarray, IL-8 was the most significantly up-regulated gene by 4-PBA, and was selected for further investigation. Knockdown of IL-8 partially prevented 4-PBA-induced-EMT by blocking the activation of the downstream Gab2-ERK pathway. Furthermore, CHIP assay confirmed that acetyl-H3 directly combined with the promoter region of IL-8 to promote its transcription. Therefore, the results of this study demonstrated that 4-PBA-mediated inhibition of HDAC activity could induce EMT in gastric cancer cells via acetyl-histone-mediated IL-8 upregulation, and the downstream Gab2/ERK activation. These data indicated the possible reason for the failure of 4-PBA in clinical trials.
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Affiliation(s)
- Xiaonan Shi
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China.,Department of Oncology, The First Affiliated Hospital of Zhengzhou University , Zhengzhou, Henan, China
| | - Libao Gong
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Yunpeng Liu
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Kezuo Hou
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Yibo Fan
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Ce Li
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Ti Wen
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Xiujuan Qu
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
| | - Xiaofang Che
- Department of Medical Oncology, The First Hospital of China Medical University , Shenyang, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, The First Hospital of China Medical University , Shenyang, China
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Altinoz MA, Topcu G, Elmaci İ. Boron's neurophysiological effects and tumoricidal activity on glioblastoma cells with implications for clinical treatment. Int J Neurosci 2019; 129:963-977. [PMID: 30885023 DOI: 10.1080/00207454.2019.1595618] [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] [Indexed: 12/19/2022]
Abstract
Purpose: To define the actions of boron on normal neurophysiology and glioblastoma growth. Materials and Methods: PubMed and other relevant databases were searched. Results: Discovery of novel boron compounds in treatment of glioblastoma is being actively investigated, but the majority of such studies is focused on the synthesis of boron compounds as sensitizers to Boron Neutron Capture Therapy (BNCT). Nonetheless, the translational functionality of boron compounds is not limited to BNCT as many boron compounds possess direct tumoricidal activity and there is substantial evidence that certain boron compounds can cross the blood-brain barrier. Moreover, boron-containing compounds interfere with several tumorigenic pathways including intratumoral IGF-I levels, molybdenum Fe-S containing flavin hydroxylases, glycolysis, Transient Receptor Potential (TRP) and Store Operated Calcium Entry (SOCE) channels. Conclusions: Boron compounds deserve to be studied further in treatment of systemic cancers and glioblastoma due to their versatile antineoplastic functions.
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Affiliation(s)
- Meric A Altinoz
- Department of Medical Biochemistry, Acibadem University , Istanbul , Turkey.,Department of Psychiatry, Maastricht University , Holland , Turkey
| | - Gulacti Topcu
- Department of Pharmacognosy & Phytochemistry Faculty of Pharmacy, Bezmialem Vakif University , Istanbul , Turkey
| | - İlhan Elmaci
- Department of Neurosurgery, Acibadem Hospital , Istanbul , Turkey
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9
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Khaliq H, Juming Z, Ke-Mei P. The Physiological Role of Boron on Health. Biol Trace Elem Res 2018; 186:31-51. [PMID: 29546541 DOI: 10.1007/s12011-018-1284-3] [Citation(s) in RCA: 102] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Accepted: 02/21/2018] [Indexed: 12/20/2022]
Abstract
Boron is an essential mineral that plays an important role in several biological processes. Boron is required for growth of plants, animals, and humans. There are increasing evidences of this nutrient showing a variety of pleiotropic effects, ranging from anti-inflammatory and antioxidant effects to the modulation of different body systems. In the past few years, the trials showed disease-related polymorphisms of boron in different species, which has drawn attention of scientists to the significance of boron to health. Low boron profile has been related with poor immune function, increased risk of mortality, osteoporosis, and cognitive deterioration. High boron status revealed injury to cell and toxicity in different animals and humans. Some studies have shown some benefits of higher boron status, but findings have been generally mixed, which perhaps accentuates the fact that dietary intake will benefit only if supplemental amount is appropriate. The health benefits of boron are numerous in animals and humans; for instance, it affects the growth at safe intake. Central nervous system shows improvement and immune organs exhibit enhanced immunity with boron supplementation. Hepatic metabolism also shows positive changes in response to dietary boron intake. Furthermore, animals and human fed diets supplemented with boron reveal improved bone density and other benefits including embryonic development, wound healing, and cancer therapy. It has also been reported that boron affects the metabolism of several enzymes and minerals. In the background of these health benefits, low or high boron status is giving cause for concern. Additionally, researches are needed to further elucidate the mechanisms of boron effects, and determine the requirements in different species.
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Affiliation(s)
- Haseeb Khaliq
- College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei, People's Republic of China
| | - Zhong Juming
- College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei, People's Republic of China
- College of Veterinary Medicine, Auburn University, Auburn, AL, USA
| | - Peng Ke-Mei
- College of Animal Science and Veterinary Medicine, Huazhong Agricultural University, Wuhan, 430070, Hubei, People's Republic of China.
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10
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Complex aberrant splicing in the induced pluripotent stem cell–derived cardiomyocytes from a patient with long QT syndrome carrying KCNQ1-A344Aspl mutation. Heart Rhythm 2018; 15:1566-1574. [DOI: 10.1016/j.hrthm.2018.05.028] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Indexed: 02/06/2023]
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11
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Hiller NDJ, Silva NAAE, Faria RX, Souza ALA, Resende JALC, Borges Farias A, Correia Romeiro N, de Luna Martins D. Synthesis and Evaluation of the Anticancer and Trypanocidal Activities of Boronic Tyrphostins. ChemMedChem 2018; 13:1395-1404. [PMID: 29856519 DOI: 10.1002/cmdc.201800206] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 05/14/2018] [Indexed: 12/13/2022]
Abstract
Molecules containing an (cyanovinyl)arene moiety are known as tyrphostins because of their ability to inhibit proteins from the tyrosine kinase family, an interesting target for the development of anticancer and trypanocidal drugs. In the present work, (E)-(cyanovinyl)benzeneboronic acids were synthesized by Knoevenagel condensations without the use of any catalysts in water through a simple protocol that completely avoided the use of organic solvents in the synthesis and workup process. The in vitro anticancer and trypanocidal activities of the synthesized boronic acids were also evaluated, and it was discovered that the introduction of the boronic acid functionality improved the activity of the boronic tyrphostins. In silico target fishing with the use of a chemogenomic approach suggested that tyrosine-phosphorylation-regulated kinase 1a (DYRK1A) was a potential target for some of the designed compounds.
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Affiliation(s)
- Noemi de J Hiller
- Research Group on Catalysis and Synthesis (CSI), Universidade Federal Fluminense, Laboratório 413, Instituto de Química, Campus do Valonguinho, Centro, Niterói, RJ, 24020-141, Brazil
| | - Nayane A A E Silva
- Research Group on Catalysis and Synthesis (CSI), Universidade Federal Fluminense, Laboratório 413, Instituto de Química, Campus do Valonguinho, Centro, Niterói, RJ, 24020-141, Brazil
| | - Robson X Faria
- Laboratory of Toxoplasmosis and other Protozoan Diseases, Oswaldo Cruz Institute (Fiocruz), Brasil
| | - André Luís A Souza
- Laboratory of Biochemistry of Peptides, Oswaldo Cruz Institute (Fiocruz), Brazil
| | - Jackson A L C Resende
- Laboratory of Solid-State Chemistry, Universidade Federal do Mato Grosso, Instituto de Ciências Exatas e da Terra, Campus Universitário do Araguaia, Barra do Garças, MT, 78600-000, Brazil
| | - André Borges Farias
- Núcleo de Pesquisas em Ecologia e Desenvolvimento Social (NUPEM), Universidade Federal do Rio de Janeiro, Campus de Macaé, Av. Rotary Club s/n; São José do Barreto, Macaé, RJ, 27901-000, Brazil
| | - Nelilma Correia Romeiro
- Núcleo de Pesquisas em Ecologia e Desenvolvimento Social (NUPEM), Universidade Federal do Rio de Janeiro, Campus de Macaé, Av. Rotary Club s/n; São José do Barreto, Macaé, RJ, 27901-000, Brazil
| | - Daniela de Luna Martins
- Research Group on Catalysis and Synthesis (CSI), Universidade Federal Fluminense, Laboratório 413, Instituto de Química, Campus do Valonguinho, Centro, Niterói, RJ, 24020-141, Brazil
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12
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Psurski M, Łupicka-Słowik A, Adamczyk-Woźniak A, Wietrzyk J, Sporzyński A. Discovering simple phenylboronic acid and benzoxaborole derivatives for experimental oncology - phase cycle-specific inducers of apoptosis in A2780 ovarian cancer cells. Invest New Drugs 2018; 37:35-46. [PMID: 29779163 PMCID: PMC6510839 DOI: 10.1007/s10637-018-0611-z] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 05/11/2018] [Indexed: 12/13/2022]
Abstract
Objective The aim of the study was to evaluate the antiproliferative potential of simple phenylboronic acid and benzoxaborole derivatives as well as to provide preliminary insight into their mode of action in cancer cells in vitro. Methods The antiproliferative activity was assessed in five diverse cancer cell lines via the SRB method (sulforhodamine B) or MTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide) method after 72 h of treatment. Further studies of the mechanism of action consisted of the influence of the compounds on cell cycle progression and apoptosis induction, which was assessed by flow cytometry, caspase-3 enzymatic activity, fluorescence microscopy and western blot analysis. Results A clear structure-activity relationship was observed for both groups of compounds with several representatives evaluated as highly active antiproliferative agents with low micromolar [Formula: see text] values. 2-Fluoro-6-formylphenylboronic acid (18) and 3-morpholino-5-fluorobenzoxaborole (27) exhibited strong cell cycle arrest induction in G2/M associated with caspase-3 activation in an A2780 ovarian cancer cell line. These events were accompanied by a mitotic catastrophe cell morphology and an increased percentage of aneuploid and tetraploid cells. Further experiments indicated that the compounds were phase cycle-specific agents since cells co-treated with hydroxyurea were less sensitive. The observed cell cycle arrest resulted from significant p21 accumulation and was associated neither with cyclin B1 nor β-tubulin degradation. Conclusion Phenylboronic acid and benzoxaborole derivatives were found to be highly promising antiproliferative and proapoptotic compounds with a cell cycle-specific mode of action. The presented data support their candidacy for further studies as a novel class of potential anticancer agents.
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Affiliation(s)
- Mateusz Psurski
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 12 Weigla St, 53114, Wrocław, Poland.
| | - Agnieszka Łupicka-Słowik
- Department of Medicinal Chemistry and Microbiology, Wrocław University of Science and Technology, 29 Wybrzeże Wyspiańskiego St, 50370, Wrocław, Poland
| | | | - Joanna Wietrzyk
- Hirszfeld Institute of Immunology and Experimental Therapy, Polish Academy of Sciences, 12 Weigla St, 53114, Wrocław, Poland
| | - Andrzej Sporzyński
- Faculty of Chemistry, Warsaw University of Technology, 3 Noakowskiego St, 00664, Warsaw, Poland
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13
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Uluisik I, Karakaya HC, Koc A. The importance of boron in biological systems. J Trace Elem Med Biol 2018; 45:156-162. [PMID: 29173473 DOI: 10.1016/j.jtemb.2017.10.008] [Citation(s) in RCA: 122] [Impact Index Per Article: 20.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 03/13/2017] [Accepted: 10/17/2017] [Indexed: 12/18/2022]
Abstract
Boron is an essential element for plants and probably essential for human and animal health. Boron has a broad range of physiological effects on biological systems at low concentrations, whereas it is toxic to at high concentrations. Eventhough there are many studies on boron's biological effects and toxicity, more information is needed to understand the mechanisms of its action. The aim of the current work is to review boron's function, transport and toxicity in different biological systems.
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Affiliation(s)
- Irem Uluisik
- Izmir Institute of Technology, Department of Molecular Biology and Genetics, 35430 Urla, Izmir, Turkey
| | - Huseyin Caglar Karakaya
- Izmir Institute of Technology, Department of Molecular Biology and Genetics, 35430 Urla, Izmir, Turkey
| | - Ahmet Koc
- Inonu University, Medical School, Department of Medical Biology and Genetics, Battalgazi, Malatya, Turkey.
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14
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Marasovic M, Ivankovic S, Stojkovic R, Djermic D, Galic B, Milos M. In vitro and in vivo antitumour effects of phenylboronic acid against mouse mammary adenocarcinoma 4T1 and squamous carcinoma SCCVII cells. J Enzyme Inhib Med Chem 2017; 32:1299-1304. [PMID: 29072095 PMCID: PMC6010135 DOI: 10.1080/14756366.2017.1384823] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 09/19/2017] [Accepted: 09/21/2017] [Indexed: 02/04/2023] Open
Abstract
The cytotoxic activity of phenylboroxine acid was evaluated in vitro on mouse mammary adenocarcinoma 4T1, mouse squamous cell carcinoma SCCVII, hamster lung fibroblast V79 and mouse dermal fibroblasts L929 cell lines. The cytotoxic effects were dose dependent for all tested tumour and non-tumour cell lines. Under in vivo conditions, three application routes of phenylboronic acid were studied: intra-peritoneal (i.p.), intra-tumour (i.t.) and per-oral. After tumour transplantation in syngeneic mice, phenylboronic acid was shown to slow the growth of both tumour cell lines (4T1 and SCCVII) compared with the control. The inhibitory effects were pronounced during the application of phenylboronic acid. For both tested tumour cell lines, the most prominent antitumour effect was obtained by intraperitoneal administration, followed significantly by oral administration.
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Affiliation(s)
- Maja Marasovic
- Faculty of Chemistry and Technology, University of Split, Split, Croatia
| | - Sinisa Ivankovic
- Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Ranko Stojkovic
- Division of Molecular Medicine, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Damir Djermic
- Division of Molecular Biology, Rudjer Boskovic Institute, Zagreb, Croatia
| | - Borivoj Galic
- Faculty of Science, University of Sarajevo, Sarajevo, Bosnia and Herzegovina
| | - Mladen Milos
- Faculty of Chemistry and Technology, University of Split, Split, Croatia
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15
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Shi X, Zheng C, Li C, Hou K, Wang X, Yang Z, Liu C, Liu Y, Che X, Qu X. 4-Phenybutyric acid promotes gastric cancer cell migration via histone deacetylase inhibition-mediated HER3/HER4 up-regulation. Cell Biol Int 2017; 42:53-62. [PMID: 28851073 DOI: 10.1002/cbin.10866] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 08/22/2017] [Indexed: 11/05/2022]
Abstract
Dysregulation of histone acetylation plays an important role in tumor development. Histone acetylation regulates gene transcription and expression, which is reversibly regulated by histone acetyltransferase (HAT) and histone deacetylase (HDAC). As an HDAC inhibitor, 4-phenylbutyric acid (4-PBA) can increase histone acetylation levels by inhibiting HDAC activity. While 4-PBA inhibits proliferation of tumor cells in vitro, clinical trials have failed to show benefits of 4-PBA for refractory solid tumors. Here, we found that 4-PBA could enhance the migration capacity of gastric cancer cells. Upregulation of HER3/HER4 and activation of HER3/HER4-ERK pathway was shown to be involved in 4-PBA-induced gastric cancer cell migration. Knockdown of HER3/HER4 blocked HER3/HER4-ERK activation and partially prevented 4-PBA-induced cell migration. Consistently, the ERK inhibitor PD98059 also partially prevented 4-PBA-induced cell migration. Moreover, enhanced levels of acetyl-histones were detected following 4-PBA-treatment, and histone3 acetylation in promoter regions of HER3 and HER4 were confirmed by ChIP. These results demonstrate that 4-PBA promotes gastric cancer cells migration through upregulation of HER3/HER4 subsequent to increased levels of acetyl-histone and activation of ERK signaling. These novel findings provide important considerations for the use of 4-PBA in cancer therapeutics.
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Affiliation(s)
- Xiaonan Shi
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Chunlei Zheng
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Ce Li
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Kezuo Hou
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Xiaoxun Wang
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Zichang Yang
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Chang Liu
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Yunpeng Liu
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Xiaofang Che
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
| | - Xiujuan Qu
- Department of Medical Oncology, the First Hospital of China Medical University, Shenyang, 110001, China.,Key Laboratory of Anticancer Drugs and Biotherapy of Liaoning Province, the First Hospital of China Medical University, Shenyang, 110001, China
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16
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Tepedelen BE, Korkmaz M, Tatlisumak E, Uluer ET, Ölmez E, Değerli İ, Soya E, İnan S. A Study on the Anticarcinogenic Effects of Calcium Fructoborate. Biol Trace Elem Res 2017; 178:210-217. [PMID: 28028787 DOI: 10.1007/s12011-016-0918-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/18/2016] [Accepted: 12/19/2016] [Indexed: 10/20/2022]
Abstract
Evidences about the preventive and therapeutic effects of boron compounds on cancer have been increasing in the last years. Although calcium fructoborate (CaFB) is used as a nutritional supplement, data about its preventive and therapeutic effects on neoplastic transformations are limited. In the present study, the various concentrations of CaFB were applied to the MDA-MB-231 metastatic breast cancer cell line. First, we examined the cytotoxic effect and IC50 value of CaFB by MTT assay. For the evaluation of the DNA damage, apoptosis and metastatic potential, expression levels of ATM, pATM, PARP, p53, p-p53, caspase-3, caspase-9, and VEGF were investigated by using immunoblotting and immunohistochemical methods. Cell viability was significantly reduced at 50 μM CaFB treatment. pATM, p-p53, and caspase-9 levels increased significantly in all groups; furthermore, there was approximately 12.5-, 2.4-, and 10.7-fold increase, respectively, for 100 μM CaFB treatment. ATM and p53 levels did not change with CaFB treatment, but PARP levels significantly 2.5-fold decreased. While VEGF immunoreactivity decreased in all groups, significant increase in caspase-3 immunoreactivity was observed only in the group treated with 50 μM CaFB (p < 0,001). Our results imply that CaFB may have therapeutic potential as well as preventive benefits in cancer.
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Affiliation(s)
| | - Mehmet Korkmaz
- Department of Medical Biology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey.
| | - Ertugrul Tatlisumak
- Department of Anatomy, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - Elgin Türköz Uluer
- Department of Histology and Embryology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - Ercüment Ölmez
- Department of Medical Pharmacology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - İsmail Değerli
- Department of Medical Biology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - Elif Soya
- Department of Medical Biology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - Sevinç İnan
- Department of Histology and Embryology, Faculty of Medicine, İzmir University of Economics, 35330, İzmir, Turkey
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17
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Tepedelen BE, Soya E, Korkmaz M. Boric Acid Reduces the Formation of DNA Double Strand Breaks and Accelerates Wound Healing Process. Biol Trace Elem Res 2016; 174:309-318. [PMID: 27154731 DOI: 10.1007/s12011-016-0729-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2016] [Accepted: 04/27/2016] [Indexed: 01/28/2023]
Abstract
Boron is absorbed by the digestive and respiratory system, and it was considered that it is converted to boric acid (BA), which was distributed to all tissues above 90 %. The biochemical essentiality of boron element is caused by boric acid because it affects the activity of several enzymes involved in the metabolism. DNA damage repair mechanisms and oxidative stress regulation is quite important in the transition stage from normal to cancerous cells; thus, this study was conducted to investigate the protective effect of boric acid on DNA damage and wound healing in human epithelial cell line. For this purpose, the amount of DNA damage occurred with irinotecan (CPT-11), etoposide (ETP), doxorubicin (Doxo), and H2O2 was determined by immunofluorescence through phosphorylation of H2AX(Ser139) and pATM(Ser1981) in the absence and presence of BA. Moreover, the effect of BA on wound healing has been investigated in epithelial cells treated with these agents. Our results demonstrated that H2AX(Ser139) foci numbers were significantly decreased in the presence of BA while wound healing was accelerated by BA compared to that in the control and only drug-treated cells. Eventually, the results indicate that BA reduced the formation of DNA double strand breaks caused by agents as well as improving the wound healing process. Therefore, we suggest that boric acid has important therapeutical effectiveness and may be used in the treatment of inflammatory diseases where oxidative stress and wound healing process plays an important role.
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Affiliation(s)
| | - Elif Soya
- Department of Medical Biology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
| | - Mehmet Korkmaz
- Department of Medical Biology, Faculty of Medicine, Celal Bayar University, 45030, Manisa, Turkey
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18
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Sene S, McLane J, Schaub N, Bégu S, Hubert Mutin P, Ligon L, Gilbert RJ, Laurencin D. Formulation of benzoxaborole drugs in PLLA: from materials preparation to in vitro release kinetics and cellular assays. J Mater Chem B 2016; 4:257-272. [DOI: 10.1039/c5tb02258d] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A complete investigation on the incorporation of simple benzoxaboroles into PLLA-based films was carried out.
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Affiliation(s)
- Saad Sene
- Institut Charles Gerhardt de Montpellier
- UMR 5253
- CNRS-UM-ENSCM
- 34095 Montpellier cedex 05
- France
| | - Joshua McLane
- Department of Biological Sciences
- Rensselaer Polytechnic Institute
- Troy
- USA
- Center for Biotechnology and Interdisciplinary Studies
| | - Nicholas Schaub
- Center for Biotechnology and Interdisciplinary Studies
- Rensselaer Polytechnic Institute
- Troy
- USA
- Department of Biomedical Engineering
| | - Sylvie Bégu
- Institut Charles Gerhardt de Montpellier
- UMR 5253
- CNRS-UM-ENSCM
- 34095 Montpellier cedex 05
- France
| | - P. Hubert Mutin
- Institut Charles Gerhardt de Montpellier
- UMR 5253
- CNRS-UM-ENSCM
- 34095 Montpellier cedex 05
- France
| | - Lee Ligon
- Department of Biological Sciences
- Rensselaer Polytechnic Institute
- Troy
- USA
- Center for Biotechnology and Interdisciplinary Studies
| | - Ryan J. Gilbert
- Center for Biotechnology and Interdisciplinary Studies
- Rensselaer Polytechnic Institute
- Troy
- USA
- Department of Biomedical Engineering
| | - Danielle Laurencin
- Institut Charles Gerhardt de Montpellier
- UMR 5253
- CNRS-UM-ENSCM
- 34095 Montpellier cedex 05
- France
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19
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Disodium pentaborate decahydrate (DPD) induced apoptosis by decreasing hTERT enzyme activity and disrupting F-actin organization of prostate cancer cells. Tumour Biol 2014; 35:1531-8. [PMID: 24122279 DOI: 10.1007/s13277-013-1212-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2013] [Accepted: 09/16/2013] [Indexed: 10/26/2022] Open
Abstract
Animal and cell culture studies have showed that boron and its derivatives may be promising anticancer agents in prostate cancer treatment. Thus, DU145 cells were treated with disodium pentaborate decahydrate (DPD) for 24, 48, and 72 h in order to investigate the inhibitor effect and mechanisms of DPD. Then, cell proliferation, telomerase enzyme activity, actin polymerization, and apoptosis were detected by WST-1 assay, qRT-PCR, immunofluorescence labeling, and flow cytometry, respectively. We found that DPD inhibited the growth of human prostate cancer cell line DU145 at the concentration of 3.5 mM for 24 h. Our results demonstrated that 7 mM of DPD treatment prevented the telomerase enzyme activity at the rate of 38 %. Furthermore, DPD has an apoptotic effect on DU145 cells which were examined by labeling DNA breaks. With 7 mM of DPD treatment, 8, 14, and 41 % of apoptotic cells were detected for 24, 48, and 72 h, respectively. Additionally, immunofluorescence labeling showed that the normal organization of actin filaments was disrupted in DPD-exposed cells, which is accompanied by the alteration of cell shape and by apoptosis in targeted cells. Taken together, the results indicate that DPD may exert its cytotoxicity at least partly by interfering with the dynamic properties of actin polymerization and decreasing the telomerase activity. Eventually, for the first time, the results of this study showed that DPD suppressed the activity of telomerase in DU145 cells, and therefore, we suggested that DPD could be an important agent for its therapeutic potential in the treatment of prostate cancer.
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20
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Liu FL, Wan SB, Jiang T. First preparation of a novel polyol resin for purifying arylboronic acids. CHINESE CHEM LETT 2012. [DOI: 10.1016/j.cclet.2012.06.018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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