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Wang SH, Yeh CH, Wu CW, Hsu CY, Tsai EM, Hung CM, Wang YW, Hsieh TH. PFDN4 as a Prognostic Marker Was Associated with Chemotherapy Resistance through CREBP1/AURKA Pathway in Triple-Negative Breast Cancer. Int J Mol Sci 2024; 25:3906. [PMID: 38612711 PMCID: PMC11012048 DOI: 10.3390/ijms25073906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 03/12/2024] [Accepted: 03/21/2024] [Indexed: 04/14/2024] Open
Abstract
Breast cancer is the most common malignancy and its incidence is increasing. It is currently mainly treated by clinical chemotherapy, but chemoresistance remains poorly understood. Prefolded proteins 4 (PFDN4) are molecular chaperone complexes that bind to newly synthesized polypeptides and allow them to fold correctly to stabilize protein formation. This study aimed to investigate the role of PFDN4 in chemotherapy resistance in breast cancer. Our study found that PFDN4 was highly expressed in breast cancer compared to normal tissues and was statistically significantly associated with stage, nodal status, subclasses (luminal, HER2 positive and triple negative), triple-negative subtype and disease-specific survival by TCGA database analysis. CRISPR knockout of PFDN4 inhibited the growth of 89% of breast cancer cell lines, and the triple-negative cell line exhibited a stronger inhibitory effect than the non-triple-negative cell line. High PFDN4 expression was associated with poor overall survival in chemotherapy and resistance to doxorubicin and paclitaxel through the CREBP1/AURKA pathway in the triple-negative MDAMB231 cell line. This study provides insightful evidence for the value of PFDN4 in poor prognosis and chemotherapy resistance in breast cancer patients.
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Affiliation(s)
- Shih-Ho Wang
- Division of General Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Cheng-Hsi Yeh
- Division of General Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (Y.-W.W.)
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.)
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.)
| | - Chao-Ming Hung
- Department of Surgery, E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan
| | - Yi-Wen Wang
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (Y.-W.W.)
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (Y.-W.W.)
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2
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Cai JH, Chuang CC, Chen MH, Yeh CP, Hsu CY. Differences of bioelectrical impedance in the development and healing phase of pressure ulcers and erythema in mouse model. J Tissue Viability 2024:S0965-206X(24)00025-1. [PMID: 38431432 DOI: 10.1016/j.jtv.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Revised: 01/26/2024] [Accepted: 02/24/2024] [Indexed: 03/05/2024]
Abstract
Pressure ulcers (PUs) are economically burdensome medical conditions. Early changes in pressure ulcers are associated with erythema. In this study, bioelectrical impedance was used to measure the differences between PUs and blanchable erythema. We divided 21 ICR mice into three groups: control, 1000 mmHg-1h, and 1000 mmHg-6h. Healthy skin, blanchable erythema, and PUs were induced on the dorsal skin. The results indicated an immediate increase in impedance, resistance, and reactance values in the pressure group after release, followed by a subsequent decrease until two days after release. Compared with the control group, impedance and reactance significantly increased by 30.9% (p < 0.05) and 30.1% (p < 0.01), respectively, in the 6 h-loading group immediately after release. One and two days after release, the 1 h-loading and 6 h-loading groups exhibited significantly different degrees of decline. One day after release, impedance and resistance decreased by 30.2% (p < 0.05) and 19.8% (p < 0.05), respectively, in the 1 h-loading group; while impedance, resistance, and reactance decreased by 39.2% (p < 0.01), 26.8% (p < 0.01), and 45.7% (p < 0.05), respectively, in the 6 h-loading group. Two days after release, in the 1 h-loading group, impedance and resistance decreased by 28.3% (p < 0.05) and 21.7% (p < 0.05), respectively; while in the 6 h-loading group, impedance, resistance, and reactance decreased by 49.8% (p < 0.001), 34.2% (p < 0.001), and 59.8% (p < 0.01), respectively. One and two days after release the pressure group reductions were significantly greater than those in the control group. Additionally, we monitored changes during wound healing. Distinguishing early PUs from blanchable erythema by noninvasive bioelectrical impedance technology may have applications value in early assessment of PUs.
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Affiliation(s)
- J H Cai
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung Pei Road, Chung Li District, Taoyuan City, Taiwan.
| | - C C Chuang
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung Pei Road, Chung Li District, Taoyuan City, Taiwan.
| | - M H Chen
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung Pei Road, Chung Li District, Taoyuan City, Taiwan.
| | - C P Yeh
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung Pei Road, Chung Li District, Taoyuan City, Taiwan.
| | - C Y Hsu
- Department of Physical Medicine and Rehabilitation, Ten-Chan General Hospital, Yanping Road, Chung Li District, Taoyuan City, Taiwan.
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3
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Hsu CY, Tsai CC, Lin HY, Chen HL, Ou YC, Chiang PH, Suen JL, Tsai EM. Gene Expression Profile Analysis of the Molecular Mechanism of HOXD10 Regulation of Epithelial Ovarian Cancer Cells. J Cancer 2024; 15:1213-1224. [PMID: 38356716 PMCID: PMC10861814 DOI: 10.7150/jca.90970] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/22/2023] [Indexed: 02/16/2024] Open
Abstract
Epithelial ovarian cancer (EOC) is the most common type of ovarian cancer. Although studies have reported that downregulation of HOXD10 expression may contribute to the migration and invasion abilities in EOC, much about its regulation remains to be fully elucidated. The present study aimed to identify different gene expression profiles associated with HOXD10 overexpression in EOC cells. The present study confirmed that HOXD10 overexpression effectively inhibited the proliferation and motility of the TOV21G and TOV112D cells. Further, we overexpress HOXD10 in TOV112D cells, the different gene expression (DEGs) profiles induce by HOXD10 was analyze by the Human OneArray microarray. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG), ingenuity pathway analysis (IPA) was used to perform the pathway enrichment analysis for the DEGs. Integrated bioinformatics analysis showed that the DEGs were enriched for terms related to oxidative phosphorylation and mitochondrial function pathways. Dysfunction oxidative phosphorylation metabolic pathway occurs frequently in many tumors. We validated the expression of NDUFA7, UQCRB and CCL2 using qPCR, involving in metabolism-related pathway, were significantly changed by HOXD10 overexpression in EOC. The detailed regulatory mechanism that links HOXD10 and the oxidative phosphorylation genes is not yet fully understood, our findings provide novel insight into HOXD10-mediated pathways and their effects on cancer metabolism, carcinogenesis, and the progression of EOC. Thus, the data suggest that strategies to interfere with metabolism-related pathways associated with cancer drug resistance could be considered for the treatment of ovarian tumors.
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Affiliation(s)
- Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
| | - Ching-Chou Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
| | - Hsiao-Yun Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
| | - Hsiang-Ling Chen
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
| | - Yu-Che Ou
- Department of Obstetrics and Gynecology, Chia-Yi Chang Gung Memorial Hospital, Chiayi 613, Taiwan
| | - Ping-Hsuan Chiang
- Department of Internal Education, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Jau-Ling Suen
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan
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4
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Yang CF, Hsu CY, Hsiao LT, Chen SW, Chuang SS. Clinicopathological characteristics of myelodysplastic syndromes with del(5q) in Taiwan. Malays J Pathol 2023; 45:405-416. [PMID: 38155382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/30/2023]
Abstract
BACKGROUND Myelodysplastic syndromes (MDS) are a group of clonal haematopoietic stem cell disorders characterised by ineffective haematopoiesis and cytopenia. Studies have reported differences in MDS between Asian and Western countries, but data from Taiwan are scarce. MATERIALS AND METHODS In this study we analysed the clinical and pathological features of 32 Taiwanese MDS patients with del(5q) (ie, del(5q) alone [Group A, n = 11], del(5q) with one additional cytogenetic abnormality other than monosomy 7 or del(7q) [Group B, del(5q)+1; n = 6], and del(5q) with ≥2 additional cytogenetic abnormalities [Group C, n = 15]). RESULTS Progression-free survival (PFS) and overall survival (OS) were more favourable for Group A than for Groups B (p < 0.05) and C (p ≤ 0.001). Multivariate analysis showed that age >70 years, thrombocytopenia, and karyotype other than del(5q) alone were poor prognostic factors. Among the patients that had World Health Organization (WHO)-defined MDS with isolated del(5q), one patient (9%) had a typical marrow morphology of 5q minus syndrome with erythroid hypoplasia and four patients (36%) had hypolobated megakaryocytes. In addition, PFS and OS were significantly more favorable for the patients with del(5q) alone than for those with del(5q)+1 (p < 0.05). CONCLUSION The bone marrow morphology, clinical features, and prognosis of Taiwanese MDS patients with del(5q) were different from those associated with MDS with isolated del(5q) as defined in the current WHO classification. Researchers should compare different geographic regions and racial populations to determine whether geographic and racial differences exist with respect to MDS with del(5q).
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Affiliation(s)
- C F Yang
- Taipei Veterans General Hospital, Department of Pathology and Laboratory Medicine, Taipei, Taiwan
| | - C Y Hsu
- Taipei Veterans General Hospital, Department of Pathology and Laboratory Medicine, Taipei, Taiwan
| | - L T Hsiao
- National Yang Ming Chiao Tung University, School of Medicine, Taipei, Taiwan
| | - S W Chen
- Chi-Mei Hospital, Department of Internal Medicine, Division of Hemato-Oncology, Lioying, Tainan, Taiwan
| | - S S Chuang
- Chi-Mei Medical Center, Department of Pathology, Tainan, Taiwan.
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Hsieh TH, Hsu CY, Wu CW, Wang SH, Yeh CH, Cheng KH, Tsai EM. Vorinostat decrease M2 macrophage polarization through ARID1A 6488delG/HDAC6/IL-10 signaling pathway in endometriosis-associated ovarian carcinoma. Biomed Pharmacother 2023; 161:114500. [PMID: 36958195 DOI: 10.1016/j.biopha.2023.114500] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 02/23/2023] [Accepted: 03/07/2023] [Indexed: 03/25/2023] Open
Abstract
Endometriosis is a common disease in women and may be one of the factors that induces malignant epithelial ovarian tumors. Previous studies suggested that endometriosis is related to ARID1A mutation mediating the expression of HDAC6, but the detailed pathogenic mechanism is still unclear. First, we collected endometriosis-associated ovarian carcinoma (EAOC) clinical samples and examined the expression of HDAC6. Our results found that the high HDAC6 expression group was positively correlated with EAOC histology (P = 0.015), stage (P < 0.000), and tumor size (P < 0.000) and inversely correlated with survival (P < 0.000). We also found that ARID1A6488delG/HDAC6 induced M2 polarization of macrophages through IL-10. In addition, the HDAC inhibitor (HDACi) vorinostat inhibited cell growth and blocked the effect of HDAC6. Tomographic microscopy was used to monitor the live cell morphology of these treated cells, and we found that vorinostat treatment resulted in substantial cell apoptosis by 3 h 42 min. Next, we established a transgenic mouse model of EAOC and found that vorinostat significantly reduced the size of ovarian tumors by inhibiting M2 macrophage polarization in mice. Together, these data demonstrate that the signaling pathway of E4F1/ARID1A6488delG/HDAC6/GATA3 mediates macrophage polarization and provides a novel immune cell-associated therapeutic strategy targeting IL-10 in EAOC.
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Affiliation(s)
- Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan.
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan
| | - Shih-Ho Wang
- Division of General Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Cheng-Hsi Yeh
- Division of General Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Kuang-Hung Cheng
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
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6
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Hsu CY, Wang CS, Lin KW, Chien MJ, Wei SH, Chen CS. Biomechanical Analysis of the FlatFoot with Different 3D-Printed Insoles on the Lower Extremities. Bioengineering (Basel) 2022; 9:563. [PMID: 36290531 PMCID: PMC9598360 DOI: 10.3390/bioengineering9100563] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/22/2022] [Accepted: 10/15/2022] [Indexed: 09/12/2023] Open
Abstract
Insoles play an important role in the conservative treatment of functional flat foot. The features of 3D-printed insoles are high customizability, low cost, and rapid prototyping. However, different designed insoles tend to have different effects. The study aimed to use 3D printing technology to fabricate three different kinds of designed insoles in order to compare the biomechanical effects on the lower extremities in flat foot participants. Ten participants with functional flat foot were recruited for this study. Data were recorded via a Vicon motion capture system and force plates during walking under four conditions: without insoles (shoe condition), with auto-scan insoles (scan condition), with total contact insoles (total condition), and with 5-mm wedge added total contact insoles (wedge condition). The navicular height, eversion and dorsiflexion angles of the ankle joint, eversion moment of the ankle joint, and adduction moment of the knee joint were analyzed, and comfort scales were recorded after finishing the analysis. Compared to the shoe condition, all three 3D printed insoles could increase the navicular height and ankle dorsiflexion angle and improve comfort. Among the three insoles, the wedge condition was the most efficient in navicular height support and increasing the ankle dorsiflexion angle.
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Affiliation(s)
- Chia-Yi Hsu
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chien-Shun Wang
- Department of Orthopaedics and Traumatology, Taipei Veterans General Hospital, Taipei 112, Taiwan
- Department of Surgery, School of Medicine, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Kuang-Wei Lin
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Mu-Jung Chien
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Shun-Hwa Wei
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
| | - Chen-Sheng Chen
- Department of Physical Therapy and Assistive Technology, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
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7
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Chen CC, Chou YC, Hsu CY, Tsai EM, Er TK. Transcriptome Profiling of Eutopic and Ectopic Endometrial Stromal Cells in Women with Endometriosis Based on High-Throughput Sequencing. Biomedicines 2022; 10:biomedicines10102432. [PMID: 36289693 PMCID: PMC9598494 DOI: 10.3390/biomedicines10102432] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 09/13/2022] [Accepted: 09/26/2022] [Indexed: 11/20/2022] Open
Abstract
Endometriosis is a common gynecological disease that affects approximately 5–10% of reproductive-aged women. However, the etiology and pathophysiology of endometriosis are currently unclear. The objective of this study was to identify a potential pathogenic gene of endometriosis using RNA sequencing (RNA-seq) analysis. Human endometrial stromal cells were isolated from four patients receiving surgical treatment for endometriosis during laparoscopic surgery, and RNA-seq was used to examine differentially expressed genes (DEGs) in eutopic and ectopic endometrial stromal cells. The functional significance of the differentially expressed genes was analyzed using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway enrichment analyses. A total of 1309 upregulated and 663 downregulated genes were identified through the analysis of the transcriptomes of eutopic and ectopic endometrial stromal cells. Furthermore, KEGG analysis indicated that these DEGs were mainly enriched in the PI3K-Akt signaling pathway, cytokine–cytokine receptor interaction, and MAPK signaling pathway. Our study identified differential gene expression in eutopic as compared to ectopic endometrial tissue stromal cells. We strongly believe that our findings can bring new insights into the underlying mechanisms of endometriosis. However, future research is necessary to clarify the roles of the identified genes.
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Affiliation(s)
- Chih-Chieh Chen
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804, Taiwan
| | - Yung-Che Chou
- Division of Laboratory Medicine, Asia University Hospital, Asia University, Taichung 413, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
| | - Tze-Kiong Er
- Division of Laboratory Medicine, Asia University Hospital, Asia University, Taichung 413, Taiwan
- Department of Medical Laboratory Science and Biotechnology, Asia University, Taichung 413, Taiwan
- Correspondence:
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Chen CC, Zhuang ZJ, Wu CW, Tan YL, Huang CH, Hsu CY, Tsai EM, Hsieh TH. Venetoclax Decreases the Expression of the Spike Protein through Amino Acids Q493 and S494 in SARS-CoV-2. Cells 2022; 11:cells11121924. [PMID: 35741053 PMCID: PMC9221610 DOI: 10.3390/cells11121924] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 11/16/2022] Open
Abstract
The new coronavirus disease 2019 (COVID-19) caused by the severe acute respiratory syndrome coronavirus (SARS-CoV-2) has been reported and spread globally. There is an urgent need to take urgent measures to treat and prevent further infection of this virus. Here, we use virtual drug screening to establish pharmacophore groups and analyze the ACE2 binding site of the spike protein with the ZINC drug database and DrugBank database by molecular docking and molecular dynamics simulations. Screening results showed that Venetoclax, a treatment drug for chronic lymphocytic leukemia, has a potential ability to bind to the spike protein of SARS-CoV-2. In addition, our in vitro study found that Venetoclax degraded the expression of the spike protein of SARS-CoV-2 through amino acids Q493 and S494 and blocked the interaction with the ACE2 receptor. Our results suggest that Venetoclax is a candidate for clinical prevention and treatment and deserves further research.
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Affiliation(s)
- Chih-Chieh Chen
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
- Rapid Screening Research Center for Toxicology and Biomedicine, National Sun Yat-sen University, Kaohsiung 804201, Taiwan
| | - Zhi-Jie Zhuang
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
| | - Yi-Ling Tan
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung 804201, Taiwan; (C.-C.C.); (Z.-J.Z.); (Y.-L.T.)
| | - Chen-Hsiu Huang
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.); (E.-M.T.)
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80756, Taiwan; (C.-Y.H.); (E.-M.T.)
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80756, Taiwan
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (C.-W.W.); (C.-H.H.)
- Correspondence: ; Tel.: +886-7615-1100 (ext. 5072)
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9
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Wang SH, Wu CH, Tsai CC, Chen TY, Tsai KJ, Hung CM, Hsu CY, Wu CW, Hsieh TH. Effects of Luteolin on Human Breast Cancer Using Gene Expression Array: Inferring Novel Genes. Curr Issues Mol Biol 2022; 44:2107-2121. [PMID: 35678671 PMCID: PMC9164068 DOI: 10.3390/cimb44050142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 04/22/2022] [Accepted: 05/03/2022] [Indexed: 11/24/2022] Open
Abstract
Taraxacum officinale (dandelion) is often used in traditional Chinese medicine for the treatment of cancer; however, the downstream regulatory genes and signaling pathways mediating its effects on breast cancer remain unclear. The present study aimed to explore the effects of luteolin, the main biologically active compound of T. officinale, on gene expression profiles in MDA-MB-231 and MCF-7 breast cancer cells. The results revealed that luteolin effectively inhibited the proliferation and motility of the MDA-MB-231 and MCF-7 cells. The mRNA expression profiles were determined using gene expression array analysis and analyzed using a bioinformatics approach. A total of 41 differentially expressed genes (DEGs) were found in the luteolin-treated MDA-MB-231 and MCF-7 cells. A Gene Ontology analysis revealed that the DEGs, including AP2B1, APP, GPNMB and DLST, mainly functioned as oncogenes. The human protein atlas database also found that AP2B1, APP, GPNMB and DLST were highly expressed in breast cancer and that AP2B1 (cut-off value, 75%) was significantly associated with survival rate (p = 0.044). In addition, a Kyoto Encyclopedia of Genes and Genomes pathway analysis revealed that the DEGs were involved in T-cell leukemia virus 1 infection and differentiation. On the whole, the findings of the present study provide a scientific basis that may be used to evaluate the potential benefits of luteolin in human breast cancer. Further studies are required, however, to fully elucidate the role of the related molecular pathways.
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Affiliation(s)
- Shih-Ho Wang
- Department of Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan;
- Division of General Surgery, Kaohsiung Chang Gung Memorial Hospital, Chang Gung University College of Medicine, Kaohsiung 83301, Taiwan
| | - Chin-Hu Wu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-H.W.); (C.-Y.H.)
| | - Chin-Chuan Tsai
- Department of Chinese Medicine, E-Da Hospital, Kaohsiung 82445, Taiwan; (C.-C.T.); (T.-Y.C.)
| | - Tai-Yu Chen
- Department of Chinese Medicine, E-Da Hospital, Kaohsiung 82445, Taiwan; (C.-C.T.); (T.-Y.C.)
| | - Kuen-Jang Tsai
- Department of Surgery, E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (K.-J.T.); (C.-M.H.)
| | - Chao-Ming Hung
- Department of Surgery, E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; (K.-J.T.); (C.-M.H.)
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; (C.-H.W.); (C.-Y.H.)
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan;
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan;
- Correspondence: ; Tel.: +886-7-6151100 (ext. 5072)
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Yang CH, Lin YS, Ou YC, Weng WC, Huang LH, Lu CH, Hsu CY, Tung MC. Short-term stretched penile length analysis for subsequent erectile dysfunction after robotic-assisted radical prostatectomy with bilateral neurovascular bundle preservation. J Sex Med 2022. [DOI: 10.1016/j.jsxm.2022.03.360] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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11
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Wang IK, Yen TH, Chen CH, Hsu SP, Sun Y, Lien LM, Chang WL, Lai TC, Chen PL, Chen CC, Huang PH, Lin CH, Su YC, Lin MC, Li CY, Sung FC, Hsu CY. Intravenous tissue plasminogen activator for acute ischemic stroke in patients with renal dysfunction. QJM 2022; 114:848-856. [PMID: 32770252 DOI: 10.1093/qjmed/hcaa237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 07/06/2020] [Indexed: 11/13/2022] Open
Abstract
OBJECTIVE This study used the Taiwan Stroke Registry data to evaluate the efficacy and safety of intravenous tissue plasminogen activator (tPA) in treating acute ischemic stroke in patients with renal dysfunction. DESIGN We identified 3525 ischemic stroke patients and classified them into two groups according to the estimated glomerular filtration rate (eGFR) at the emergency department: ≥60, and <60 ml/min/1.73 m2 or on dialysis and by the propensity score from August 2006 to May 2015. The odds ratio of poor functional outcome (modified Rankin Scale ≥2) was calculated for patients with tPA treatment (N = 705), compared to those without tPA treatment (N = 2820), by eGFR levels, at 1, 3 and 6 months after ischemic stroke. We also evaluated the risks of intracerebral hemorrhage, upper gastrointestinal bleeding, mortality, between the two groups by eGFR levels. RESULTS Among patients with eGFR levels of <60 ml/min/1.73 m2, tPA therapy reduced the odds ratio of poor functional outcome to 0.60 (95% confidence interval = 0.42-0.87) at 6 months after ischemic stroke. The tPA therapy was not associated with increased overall risk of upper gastrointestinal bleeding, but with increased risk of intracerebral hemorrhage. The low eGFR was not a significant risk factor of intracerebral hemorrhage among ischemic stroke patients receiving tPA treatment. CONCLUSIONS tPA for acute ischemic stroke could improve functional outcomes without increasing the risks of upper gastrointestinal bleeding for patients with or without renal dysfunction. The low eGFR was not a significant risk factor for intracerebral hemorrhage among patients receiving tPA treatment.
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Affiliation(s)
- I-K Wang
- From the Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Internal Medicine, College of Medicine, China Medical University, Taichung, Taiwan
- Division of Nephrology, China Medical University Hospital, Taichung, Taiwan
| | - T-H Yen
- Division of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan
- Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - C-H Chen
- Department of Neurology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
- Stroke Center, National Cheng Kung University Hospital, Tainan, Taiwan
| | - S-P Hsu
- Department of Neurology, E-Da Hospital, I-Shou University, Kaohsiung City, Taiwan
| | - Y Sun
- Neurology, En Chu Kong Hospital, New Taipei City, Taiwan
| | - L-M Lien
- Department of Neurology, Shin Kong Wu-Ho-Su Memorial Hospital, Taipei, Taiwan
- Department of Neurology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - W-L Chang
- Department of Neurology, Show Chwan Memorial Hospital, Changhua County, Taiwan
| | - T-C Lai
- Division of Neurology Department of Internal Medicine, Cheng Hsin General Hospital, Taipei, Taiwan
| | - P-L Chen
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan
- Department of Neurology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - C-C Chen
- Department of Neurology, St Martin De Porres Hospital, Chiayi City, Taiwan
| | - P-H Huang
- Department of Neurology, Cathay General Hospital, Taipei, Taiwan
- Department of Neurology, National Taiwan University Hospital, Taipei, Taiwan
| | - C-H Lin
- Section of Neurology, Kaohsiung Veterans General Hospital, Kaohsiung, Taiwan
| | - Y-C Su
- Management Office for Health Data
| | - M-C Lin
- Management Office for Health Data
| | - C-Y Li
- From the Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
- Department of Anesthesiology, China Medical University Hospital, Taichung, Taiwan
| | - F-C Sung
- Department of Health Services Administration, China Medical University College of Public Health, Taichung 404, Taiwan
- Department of Food Nutrition and Health Biotechnology, Asia University, Lioufeng Road, Wufeng, Taichung, Taiwan
| | - C Y Hsu
- From the Graduate Institute of Biomedical Sciences, China Medical University, Taichung, Taiwan
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12
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Hsieh TH, Hsu CY, Yang PJ, Chiu CC, Liang SS, Ou-Yang F, Kan JY, Hou MF, Wang TN, Tsai EM. DEHP mediates drug resistance by directly targeting AhR in human breast cancer. Biomed Pharmacother 2021; 145:112400. [PMID: 34801851 DOI: 10.1016/j.biopha.2021.112400] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 10/29/2021] [Accepted: 11/02/2021] [Indexed: 01/25/2023] Open
Abstract
Resistance to chemotherapy and hormonal therapy is a major clinical problem in breast cancer medicine, especially for cancer metastasis and recurrence. Di(2-ethylhexyl)phthalate (DEHP) affects drug resistance by an unknown mechanism of action. Here we analyzed breast cancer patients (N = 457) and found that Σ4MEHP (the sum of MEHP, MEHHP, MECPP and MEOHP concentrations) in urine was significantly higher (P = 0.018) in the recurrent breast cancer group compared with non-recurrent patients. Σ4MEHP-High was positively and significantly correlated with tumor stage (P = 0.005), lymph node status (P = 0.001), estrogen receptor status (P = 0.010), Her2/Neu status (P = 0.004), recurrence (P = 0.000) and tumor size (P = 0.002), as well as an independent prognostic marker (OR = 1.868; 95% CI = 1.424-2.451; P < 0.000) associated with poor survival rates based on a positive Her2/Neu status (P = 0.035). In addition, we found that DEHP inhibited paclitaxel and doxorubicin effects in breast cancer cell lines MCF-7 and MDA-MB-231 and in zebrafish and mouse tumor initiation models. DEHP induced trefoil factor 3 (TFF3) expression through the vinculin/aryl hydrocarbon receptor (AhR)/ERK signaling pathway and induced CYP2D6, CYP2C8 and CYP3A4 expression through the AhR genomic pathway to increase the epithelial-mesenchymal transition (EMT) and doxorubicin metabolism, respectably. DEHP mediated AhR-related alterations in estrogen receptor expression through the ubiquitination system, which decreased tamoxifen effects in AhR knockout mice. These findings suggest a novel therapeutic avenue by targeting AhR in drug-resistant and recurrent breast cancer.
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Affiliation(s)
- Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Pei-Jing Yang
- Department of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shih-Shin Liang
- Department of Biotechnology, College of Life Science, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Fu Ou-Yang
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jung-Yu Kan
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Feng Hou
- Department of Surgery, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Department of Cancer Center, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan; Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsu-Nai Wang
- Department of Public Health, College of Health Science, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Hu WS, Lin CL, Hsu CY. Effect of acupuncture on atrial fibrillation stratified by CHA2DS2-VASc score-a nationwide cohort investigation. QJM 2021; 114:398-402. [PMID: 34014330 DOI: 10.1093/qjmed/hcab147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/10/2021] [Indexed: 11/14/2022] Open
Abstract
OBJECTIVE This research aimed to make statements regarding the reduction in atrial fibrillation (AF) risk due to acupuncture, stratified by CHA2DS2-VASc score. METHODS The Kaplan-Meier method was performed to calculate cumulative incidence of outcomes for each group, and the log-rank test were performed to compare differences between groups. Incidences and hazard ratios (HRs) were estimated by univariate Cox proportional hazards models, and adjusted HRs (aHRs) were estimated by multivariate Cox proportional hazards models including demographic covariates and comorbid status. RESULTS In CHA2DS2-VASc scores of 0-1, 2-3, 4-5 and >5, cases with acupuncture were all associated with decreased incidence of AF (aHR 0.46 with 95% CI 0.42-0.51, P < 0.001 in the CHA2DS2-VASc scores of 0-1; aHR 0.53 with 95% CI 0.50-0.57, P < 0.001 in the CHA2DS2-VASc scores of 2-3; aHR 0.56 with 95% CI 0.52-0.61, P < 0.001 in the CHA2DS2-VASc scores of 4-5; and aHR 0.64 with 95% CI 0.55-0.74, P < 0.001 in the CHA2DS2-VASc scores of >5). CONCLUSION Protective effect of acupuncture on AF was observed in this study, and the effect was more obvious for those with fewer comorbidities.
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Affiliation(s)
- W-S Hu
- From the School of Medicine, College of Medicine, China Medical University, Taichung 40402, Taiwan
- Division of Cardiovascular Medicine, Department of Medicine, China Medical University Hospital, 2, Yuh-Der Road, Taichung 40447, Taiwan
| | - C-L Lin
- Management Office for Health Data, China Medical University Hospital, 2, Yuh-Der Road, Taichung 40447, Taiwan
| | - C Y Hsu
- Graduate Institute of Biomedical Sciences, China Medical University, Taichung 40402, Taiwan
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Hsu CY, Wu MH, Chiu SN, Lin MT, Lai LP, Chen WJ, Lin TT, Juang JM. Investigate clinical characteristics and genetic mutations of CPVT patients in Taiwan and risk stratification. Europace 2021. [DOI: 10.1093/europace/euab116.332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Public grant(s) – National budget only. Main funding source(s): Ministry of Science and Technology
Background
Catecholaminergic polymorphic ventricular tachycardia (CPVT) is a rare and lethal arrhythmia in children and young adults. RYR2 mutation accounts for 60% of CPVT patients. While many articles about CPVT are published in the Caucasian population, only a few studies are based on Asian ethnicity. A CPVT scorecard proposed using Caucasian patients is proven effective in reducing the burden of variants of uncertain significance (VUS) of RYR2 mutations is not yet tested in the Asian population.
Purpose
Identify mutations among Taiwanese CPVT patients and compare genetic and clinical results with other ethnicities. We also tested the efficacy of the CPVT scorecard in Taiwanese CPVT patients.
Methods
40 clinically diagnosed CPVT patients and their family members were consecutively enrolled from multi-centers. We compared clinical characteristics and genetic results with other ethnicities, and applied the Caucasian CPVT scorecard to test whether it is applicable in Taiwanese CPVT patients.
Results
This is the first nationwide CPVT cohort in Taiwan. Among the 29 patients with CPVT-related gene mutation, 12 RYR2 variants was identified in our cohort with 5 of them unreported in previous studies. The RYR2 yield rate was 55%, similar to other ethnicities. Exercise-induced symptoms including syncope and cardiac arrest were more severe in Taiwanese CPVT cohort, compared to Japanese and Caucasian cohorts. The CPVT scorecard also successfully reduced the VUS rate for the Taiwanese cohort.
Conclusions
Our study demonstrated genetic difference in CPVT patients across ethnicities, suggesting the importance of genetic testing in Taiwan. The CPVT scorecard is applicable to Taiwanese CPVT patients and is a helpful tool in interpreting genetic test results in clinical practice. Clinical characteristics of the cohort Gender (male, %) 15 (52%) Mean age of onset (years) 18 ± 15 Exercise-related syncope or cardiac arrest (n, %) 23 (79%) Exercise-related cardiac arrest (n, %) 14 (48%) Family history of unexplained sudden cardiac death (n, %) 5 (17%) Heart rate (bpm) 73 ± 16 Exercise stress test or Holter positive (n, %) 14 (48%) Ventricular arrhythmia (n, %) 23 (79%) Beta-blockers only (n, %) 10 (35%) Intracardiac defibrillator implantation (n, %) 15 (52%) CPVT score 6 ± 3
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Affiliation(s)
- CY Hsu
- National Taiwan University, College of Medicine, Taipei, Taiwan
| | - MH Wu
- National Taiwan University Hospital, Taipei, Taiwan
| | - SN Chiu
- National Taiwan University Hospital, Taipei, Taiwan
| | - MT Lin
- National Taiwan University Hospital, Taipei, Taiwan
| | - LP Lai
- National Taiwan University Hospital, Taipei, Taiwan
| | - WJ Chen
- National Taiwan University Hospital, Taipei, Taiwan
| | - TT Lin
- National Taiwan University, College of Medicine, Taipei, Taiwan
| | - JM Juang
- National Taiwan University, College of Medicine, Taipei, Taiwan
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15
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Hsu CY, Hsieh TH, Lin HY, Lu CY, Lo HW, Tsai CC, Tsai EM. Characterization and Proteomic Analysis of Endometrial Stromal Cell-Derived Small Extracellular Vesicles. J Clin Endocrinol Metab 2021; 106:1516-1529. [PMID: 33507273 DOI: 10.1210/clinem/dgab045] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/18/2020] [Indexed: 11/19/2022]
Abstract
CONTEXT Small extracellular vesicles (sEVs) have emerged as modulators of the disease microenvironment, thereby supporting disease progression. However, the potential role of EVs and their content to the pathophysiology of endometriosis remain unclear. OBJECTIVE This work aimed to investigate whether the EVs from eutopic (Eu) and ectopic (Ec) endometrial stromal cells (ESCs) differ with respect to protein composition and role in endometriosis. METHODS Human Eu and Ec endometrium-derived ESCs were isolated from samples of the same patients (n = 3). sEVs were isolated from ESCs via ultracentrifugation; these sEVs were characterized by Western blotting, transmission electron microscopy, and nanoparticle tracking analysis and analyzed using mass spectrometry. The potential role of EcESCs-derived sEVs (EcESCs-sEVs) in endometriosis was explored by assaying their effects on cell viability/proliferation, migration, and angiogenesis. RESULTS In total, 105 ESCs-sEV-associated proteins were identified from EcESCs-sEVs and EuESCs-sEVs by mass spectrometry analysis. The protein content differed between EcESCs-sEVs and EuESCs-sEVs, with annexin A2 (ANXA2) being the most prominent difference-present in EcESCs-sEVs but not EuESCs-sEVs. We also found that sEVs-ANXA2 regulates the motility, proliferation, and angiogenesis of ESCs via the extracellularly regulated kinase (ERK)/STAT3 pathway. Notably, treatment of ESCs with sEVs-ANXA2 resulted in increased proliferation and motility, suggesting that sEVs-ANXA2 may be involved in regulating endometriosis. Our data suggest that EcESCs-sEVs-ANXA2 regulates the motility and the angiogenic potential of ESCs, implying a role for sEVs-ANXA2 in the pathogenesis of endometriosis. CONCLUSION The study of sEVs-ANXA2 from Ec endometriotic cells uncovers a new mechanism of endometriosis progression and will inform the development of novel therapeutic strategies.
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Affiliation(s)
- Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, Kaohsiung, Kaohsiung 824, Taiwan
| | - Hsiao-Yun Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Chi-Yu Lu
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Hui-Wen Lo
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
| | - Ching-Chou Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 807, Taiwan
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Tsai CC, Chen TY, Tsai KJ, Lin MW, Hsu CY, Wu DC, Tsai EM, Hsieh TH. NF-κB/miR-18a-3p and miR-4286/BZRAP1 axis may mediate carcinogenesis in Helicobacter pylori-Associated gastric cancer. Biomed Pharmacother 2020; 132:110869. [PMID: 33113427 DOI: 10.1016/j.biopha.2020.110869] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 10/06/2020] [Accepted: 10/07/2020] [Indexed: 12/16/2022] Open
Abstract
Helicobacter pylori infection is an important pathogenic risk factor for gastric cancer, but it is still unclear what tumor markers for gastric cancer induced by H. pylori can be consistently detected. Using an miRNA microarray, we found that miR-18a-3p (6.02-fold) and miR-4286 (5.73-fold) were significantly increased in H. pylori- associated gastric cancer. In a cohort of gastric cancer patients (N = 104), serum expression of miR-18a-3p and miR-4286 was positively and significantly correlated with H. pylori; furthermore, miR-18a-3p was positively correlated with invasion (P = 0.029), and miR-4286 was positively correlated with tumor stage (P = 0.033), tumor size (P = 0.041), and lymph node metastasis (P = 0.009). Overexpression of miR-18a-3p and miR-4286 also increased cancer cell proliferation and motility and both inhibited expression of BZRAP1, resulting in tumor progression in vitro. In addition, lipopolysaccharide co-mediated the expression of miR-18a-3p and miR-4286 by activating the NF-κB transcription factor, but TAK-242 (TLR4 inhibitor) blocked this effect. These results demonstrate that serum miR-18a-3p and miR-4286 levels in H. pylori-associated gastric cancer may be useful prognostic biomarkers and suggest a novel signaling pathway of targeting BZRAP1 in gastric cancer.
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Affiliation(s)
- Chin-Chuan Tsai
- Department of Chinese Medicine, E-Da Hospital, Kaohsiung 82445, Taiwan; The School of Chinese Medicine for Post-Baccalaureate, I-Shou University, Kaohsiung 82445, Taiwan
| | - Tai-Yu Chen
- Department of Chinese Medicine, E-Da Dachang Hospital, Kaohsiung 80794, Taiwan
| | - Kuen-Jang Tsai
- Department of Surgery, E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan
| | - Ming-Wei Lin
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan; Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, Kaohsiung 80708, Taiwan; Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung 80708, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung 82445, Taiwan.
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Chen CC, Hsu CY, Lin HY, Zeng HQ, Cheng KH, Wu CW, Tsai EM, Hsieh TH. KRAS K104 modification affects the KRAS G12D-GEF interaction and mediates cell growth and motility. Sci Rep 2020; 10:17447. [PMID: 33060649 PMCID: PMC7567070 DOI: 10.1038/s41598-020-74463-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Accepted: 09/24/2020] [Indexed: 11/09/2022] Open
Abstract
Mutant RAS genes play an important role in regulating tumors through lysine residue 104 to impair GEF-induced nucleotide exchange, but the regulatory role of KRAS K104 modification on the KRASG12D mutant remains unclear. Therefore, we simulated the acetylation site on the KRASG12D three-dimensional protein structure, including KRASG12D, KRASG12D/K104A and KRASG12D/K104Q, and determined their trajectories and binding free energy with GEF. KRASG12D/K104Q induced structural changes in the α2- and α3-helices, promoted KRAS instability and hampered GEF binding (ΔΔG = 6.14 kJ/mol). We found decreased binding to the Raf1 RBD by KRASG12D/K104Q and reduced cell growth, invasion and migration. Based on whole-genome cDNA microarray analysis, KRASG12D/K104Q decreased expression of NPIPA2, DUSP1 and IL6 in lung and ovarian cancer cells. This study reports computational and experimental analyses of Lys104 of KRASG12D and GEF, and the findings provide a target for exploration for future treatment.
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Affiliation(s)
- Chih-Chieh Chen
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan.,Rapid Screening Research Center for Toxicology and Biomedicine, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Hsiao-Yun Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan
| | - Hong-Qi Zeng
- Institute of Medical Science and Technology, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Kuang-Hung Cheng
- Institute of Biomedical Sciences, National Sun Yat-sen University, Kaohsiung, 80424, Taiwan
| | - Chia-Wei Wu
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung, 82445, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, 807, Taiwan. .,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, 807, Taiwan.
| | - Tsung-Hua Hsieh
- Department of Medical Research, E-Da Hospital/E-Da Cancer Hospital, I-Shou University, Kaohsiung, 82445, Taiwan.
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Lu YC, Hsu CY. Non-alcoholic fatty liver disease increases the prevalence of maintenance haemodialysis in patients with chronic kidney disease. ACTA ACUST UNITED AC 2020; 121:348-351. [PMID: 32437208 DOI: 10.4149/bll_2020_055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
AIM To investigate the association between non-alcoholic fatty liver disease (NAFLD) and incidence of maintenance haemodialysis in patients with chronic kidney disease (CKD). METHODS We enrolled patients diagnosed with CKD between 2001 and 2007. The patients were categorized into two groups based on abdominal ultrasound finding, namely those with NAFLD and those without NAFLD. The disease (maintenance haemodialysis)-free survival rate was estimated using the Kaplan-Meier method. Univariate and multivariate Cox regression analyses was used to evaluate the hazard ratios of covariates for the incidence of maintenance haemodialysis. RESULTS A total of 161 patients (61 with NAFLD and 100 without NAFLD) were enrolled. The mean age was 69.3 years. The mean follow-up was 7.4 years. The patients with NAFLD had an increased incidence of maintenance haemodialysis (39.3 % vs 24.0 %; p=0.0396) and inferior disease-free survival rate (p=0.006). Furthermore, diabetes (p=0.0126) and proteinuria (p=0.0003) were identified as significant predictors of CKD progression. CONCLUSION NAFLD was associated with an increased incidence of maintenance haemodialysis and inferior disease-free survival rate. NAFLD may impair renal function and patients with renal impairment should be monitored carefully (Tab. 3, Fig. 1, Ref. 25) Keywords: non-alcoholic fatty liver disease, haemodialysis, chronic kidney disease, proteinuria.
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Wang IK, Yen TH, Guo YC, Sun Y, Lien LM, Chang WL, Chen PL, Yang YC, Sung FC, Hsu CY. Antiplatelet agents for the secondary prevention of ischaemic stroke in patients with or without renal dysfunction. Eur J Neurol 2019; 27:572-578. [PMID: 31693249 DOI: 10.1111/ene.14116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 11/04/2019] [Indexed: 12/31/2022]
Abstract
BACKGROUND AND PURPOSE Studies on using antiplatelet agents for secondary prevention in ischaemic stroke patients with renal dysfunction are limited. The Taiwan Stroke Registry database was used to compare the efficacy of antiplatelet agents. METHODS From the Taiwan Stroke Registry data, 39 174 acute ischaemic stroke patients were identified and were classified into three groups by antiplatelet agent: aspirin, clopidogrel and dual antiplatelet therapy (DAPT) with a combination of aspirin and clopidogrel. The re-stroke incidence and 1-year mortality were stratified by estimated glomerular filtration rate (eGFR) levels at admission: ≥90, 60-89 and <60 ml/min/1.73 m2 or on dialysis. RESULTS Compared to the aspirin group, the re-stroke differences were not statistically significant for the clopidogrel group [adjusted subhazard ratio 0.95, 95% confidence interval (CI) 0.84-1.08] and the DAPT group (adjusted subhazard ratio 1.03, 95% CI 0.77-1.39) after controlling for the competing risk of death. The mortality rate increased as the eGFR level declined. In addition, compared to patients taking aspirin, there was no statistically significant difference in overall 1-year mortality for the clopidogrel group (adjusted hazard ratio 1.11, 95% CI 0.95-1.29) and for the DAPT group (adjusted hazard ratio 1.01, 95% CI 0.67-1.54). The results were consistent in different subgroups stratified by eGFR levels. CONCLUSIONS There was no difference in the risks of recurrent stroke and 1-year mortality amongst ischaemic stroke patients with or without renal dysfunction receiving antiplatelet agents with aspirin, clopidogrel or dual agents with a combination of aspirin and clopidogrel, regardless of their renal dysfunction status.
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Affiliation(s)
- I-K Wang
- Department of Internal Medicine, College of Medicine, China Medical University, Taichung, Taiwan.,Division of Nephrology, China Medical University Hospital, Taichung, Taiwan
| | - T-H Yen
- Division of Nephrology, Chang Gung Memorial Hospital, Taipei, Taiwan.,Chang Gung University College of Medicine, Taoyuan, Taiwan
| | - Y-C Guo
- Departmemt of Neurology, China Medical University Hospital, Taichung, Taiwan
| | - Y Sun
- Department of Neurology, En Chu Kong Hospital, Taipei, Taiwan
| | - L-M Lien
- Department of Neurology, Shin Kong Wu-Ho-Su Memorial Hospital, Taipei, Taiwan.,Department of Neurology, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - W-L Chang
- Department of Neurology, Show Chwan Memorial Hospital, Changhua, Taiwan
| | - P-L Chen
- Neurological Institute, Taichung Veterans General Hospital, Taichung, Taiwan.,Department of Neurology, School of Medicine, National Yang-Ming University, Taipei, Taiwan
| | - Y-C Yang
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan
| | - F-C Sung
- Management Office for Health Data, China Medical University Hospital, Taichung, Taiwan.,Department of Health Services Administration, China Medical University College of Public Health, Taichung, Taiwan
| | - C Y Hsu
- Departmemt of Neurology, China Medical University Hospital, Taichung, Taiwan.,Graduate Institute of Clinical Science, College of Medicine, China Medical University, Taichung, Taiwan
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20
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Suen JL, Chang Y, Shiu YS, Hsu CY, Sharma P, Chiu CC, Chen YJ, Hour TC, Tsai EM. IL-10 from plasmacytoid dendritic cells promotes angiogenesis in the early stage of endometriosis. J Pathol 2019; 249:485-497. [PMID: 31418859 PMCID: PMC6899974 DOI: 10.1002/path.5339] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 07/23/2019] [Accepted: 08/13/2019] [Indexed: 12/15/2022]
Abstract
An elevated level of IL‐10 has been considered a critical factor for the development of endometriosis; however, its detailed mechanism and causal relationship remain unclear. This study explored the cellular source and angiogenic activity of local IL‐10 during the early stage of endometriosis. Using a surgical murine model, we found that localised treatment with exogenous recombinant IL‐10 on the day of surgery significantly enhanced endometriotic lesion growth and angiogenesis, whereas blocking local IL‐10 activity using mAbs significantly suppressed those effects. Adoptive transfer of Il10+/+ plasmacytoid dendritic cells into mice significantly enhanced lesion development, whereas Il10−/− plasmacytoid dendritic cells significantly inhibited lesion development. Furthermore, in vitro angiogenesis analyses demonstrated that the IL‐10 and IL‐10 receptor pathway stimulated the migratory and tube formation ability of HUVECs as well as ectopic endometrial mesenchymal stem cells through, at least in part, a VEGF‐dependent pathway. We also found that recombinant IL‐10 directly stimulated angiogenesis, based on a Matrigel plug assay as well as a zebrafish model. Pathological results from human endometrioma tissues showed the increased infiltration of CD123+ plasmacytoid dendritic cells and higher percentages of cells that express the IL‐10 receptor and CD31 as compared with the corresponding normal counterparts. Taken together, these results show that IL‐10 secreted from local plasmacytoid dendritic cells promotes endometriosis development through pathological angiogenesis during the early disease stage. This study provides a scientific basis for a potential therapeutic strategy targeting the IL‐10—IL‐10 receptor pathway in the endometriotic milieu. © 2019 The Authors. The Journal of Pathology published by John Wiley & Sons Ltd on behalf of Pathological Society of Great Britain and Ireland.
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Affiliation(s)
- Jau-Ling Suen
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Yu Chang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Obstetrics and Gynecology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Yu-Shiang Shiu
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Yi Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
| | - Pooja Sharma
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chien-Chih Chiu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Biotechnology, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Biological Sciences, National Sun Yat-sen University, Kaohsiung, Taiwan
| | - Yi-Ju Chen
- Department of Anatomic Pathology, E-Da Hospital, I-Shou University, Kaohsiung, Taiwan
| | - Tzyh-Chyuan Hour
- Department of Biochemistry, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan
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21
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Wang CL, Lin MJ, Hsu CY, Lin HY, Tsai HP, Long CY, Tsai EM, Hsieh TH, Wu CH. CD47 promotes cell growth and motility in epithelial ovarian cancer. Biomed Pharmacother 2019; 119:109105. [PMID: 31493748 DOI: 10.1016/j.biopha.2019.109105] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 06/05/2019] [Accepted: 06/06/2019] [Indexed: 02/04/2023] Open
Abstract
Endometriosis is considered a high risk factor for the development of ovarian carcinoma, including clear cell and endometrioid malignancies. The mechanism by which endometriosis-associated ovarian cancer (EAOC) avoids anti-tumor immune surveillance by macrophages remains unclear, but CD47 is a very important immune checkpoint for macrophage phagocytosis. Therefore, we collected 36 clinical ovarian samples and detected the protein profile of CD47 by immunohistochemistry and analyzed the correlation with clinical pathological features using statistical software. We found that CD47 expression was relatively higher in patients with EAOC compared with the normal group. High CD47 expression was positively and significantly correlated with histology (P = 0.007) and tumor grade (P = 0.002). We also found that CD47 overexpression promotes cancer cell growth and motility in the TOV-112D and TOV-21G cell lines. Silencing CD47 and anti-CD47 mAb inhibit cancer cell growth and motility in cancer cell lines. Together, these results demonstrate that CD47 in EAOC may be a useful surface marker and offer a novel therapeutic option by targeting CD47 in ovarian cancer.
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Affiliation(s)
- Chiu-Lin Wang
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Obstetrics and Gynecology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Ming-Jie Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsiao-Yun Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hung-Pei Tsai
- Department of Neurosurgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Obstetrics and Gynecology, Kaohsiung Municipal Siaogang Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan; Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan; Department of Medical Research, E-Da Hospital/ E-Da Cancer Hospital, Kaohsiung, Taiwan
| | - Chin-Hu Wu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Abstract
OBJECTIVE This study investigated the association between serum uric acid (sUA) and stroke risk in men with hypertriglyceridemia. METHODS Between 2002 and 2012, male patients with pure hypertriglyceridemia and a triglyceride (TG) level ≥ 150 mg/dL were enrolled. Eligible patients were categorized into two groups according to their sUA levels (≥ and < 8 mg/dL). Clinical characteristics and comorbidities that are risk factors for stroke were recorded and compared between the groups. RESULTS A total of 265 male patients (95 with sUA ≥ 8 mg/dL and 170 with sUA < 8 mg/dL) were enrolled. The incidence of ischemic type of stroke was significantly higher in patients with sUA ≥ 8 mg/dL (p = 0.038), particularly in the age range of 45-65 years. Multivariate Cox proportional analyses confirmed that age (p = 0.003) and UA (p = 0.019) were major predictive factors for stroke free (ischemic type of stroke) survival. CONCLUSION Among men with hypertriglyceridemia, the incidence rate of ischemic type of stroke significantly increased with sUA levels ≥ 8 mg/dL, particularly in men aged 45 to 65 years. Hyperuricemia is considered a potential predictive factor for ischemic type of stroke and may indicate the need for preventive management in patients with hypertriglyceridemia (Tab. 3, Fig. 1, Ref. 28).
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23
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Chen YM, Hung WT, Liao YW, Hsu CY, Hsieh TY, Chen HH, Hsieh CW, Lin CT, Lai KL, Tang KT, Tseng CW, Huang WN, Chen YH. Combination immunosuppressant therapy and lupus nephritis outcome: a hospital-based study. Lupus 2019; 28:658-666. [PMID: 30971165 DOI: 10.1177/0961203319842663] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Lupus nephritis (LN) is the leading cause of mortality in lupus patients. This study aimed to investigate the treatment outcome and renal histological risk factors of LN in a tertiary referral center. Between 2006 and 2017, a retrospective observational study enrolled 148 biopsy-proven LN patients. After propensity score matching, 75 cases were included for further analysis. The classification and scoring of LN were assessed according to the International Society of Nephrology/Renal Pathology Society. Treatment response was evaluated by daily urine protein and urinalysis at two years after commencing induction treatment and the development of end-stage renal disease (ESRD). In total, 50.7% patients achieved complete remission (CR) or partial remission (PR), while 49.3% patients were categorized as nonresponders. Therapeutic responses in terms of CR/PR rates were associated with Systemic Lupus Erythematosus Disease Activity Index scores (odds ratio (OR): 1.34, 95% confidence interval (CI): 1.12-1.60, p = 0.001). Moreover, higher baseline creatinine levels (hazard ratio (HR): 2.10, 95% CI: 1.29-3.40, p = 0.003), higher renal activity index (HR: 1.30, 95% CI: 1.07-1.58, p = 0.008) and chronicity index (HR: 1.40, 95% CI: 1.06-1.85, p = 0.017) predicted ESRD. Among pathological scores, cellular crescents (HR: 4.42, 95% CI: 1.01-19.38, p = 0.049) and fibrous crescents (HR: 5.93, 95% CI: 1.41-24.92, p = 0.015) were independent risk factors for ESRD. In conclusion, higher lupus activity was a good prognostic marker for renal remission. Renal histology was predictive of ESRD. Large-scale prospective studies are required to verify the efficacy of mycophenolate in combination with azathioprine or cyclosporine in LN patients.
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Affiliation(s)
- Y M Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,2 Department of Medical Research, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei.,4 Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung
| | - W T Hung
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung.,6 Institute of Clinical Medicine, National Yang-Ming University, Taipei
| | - Y W Liao
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - C Y Hsu
- 2 Department of Medical Research, Taichung Veterans General Hospital, Taichung
| | - T Y Hsieh
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung
| | - H H Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,2 Department of Medical Research, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei.,4 Institute of Biomedical Science and Rong Hsing Research Center for Translational Medicine, National Chung Hsing University, Taichung
| | - C W Hsieh
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,5 Department of Medical Education, Taichung Veterans General Hospital, Taichung
| | - C T Lin
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - K L Lai
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - K T Tang
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - C W Tseng
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung
| | - W N Huang
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei
| | - Y H Chen
- 1 Division of Allergy, Immunology and Rheumatology, Taichung Veterans General Hospital, Taichung.,3 Faculty of Medicine, National Yang-Ming University, Taipei
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24
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Chuaboon L, Wongnate T, Punthong P, Kiattisewee C, Lawan N, Hsu CY, Lin CH, Bornscheuer UT, Chaiyen P. One-Pot Bioconversion of l
-Arabinose to l
-Ribulose in an Enzymatic Cascade. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201814219] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Litavadee Chuaboon
- Department of Biochemistry and Center for Excellence in Protein and Enzyme Technology; Faculty of Science; Mahidol University; Bangkok 10400 Thailand
| | - Thanyaporn Wongnate
- School of Biomolecular Science & Engineering; Vidyasirimedhi Institute of Science and Technology (VISTEC); Wangchan Valley Rayong 21210 Thailand
| | - Pangrum Punthong
- School of Biomolecular Science & Engineering; Vidyasirimedhi Institute of Science and Technology (VISTEC); Wangchan Valley Rayong 21210 Thailand
| | - Cholpisit Kiattisewee
- School of Biomolecular Science & Engineering; Vidyasirimedhi Institute of Science and Technology (VISTEC); Wangchan Valley Rayong 21210 Thailand
| | - Narin Lawan
- Department of Chemistry; Faculty of Science; Chiang Mai University; Chiang Mai 50200 Thailand
| | - Chia-Yi Hsu
- Institute of Biological Chemistry; Academia Sinica; Taipei 11529 Taiwan
| | - Chun-Hung Lin
- Institute of Biological Chemistry; Academia Sinica; Taipei 11529 Taiwan
| | - Uwe T. Bornscheuer
- Institute of Biochemistry; Department of Biotechnology and Enzyme Catalysis; Greifswald University; Felix-Hausdorff-Strasse 4 Greifswald Germany
| | - Pimchai Chaiyen
- Department of Biochemistry and Center for Excellence in Protein and Enzyme Technology; Faculty of Science; Mahidol University; Bangkok 10400 Thailand
- School of Biomolecular Science & Engineering; Vidyasirimedhi Institute of Science and Technology (VISTEC); Wangchan Valley Rayong 21210 Thailand
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25
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Wu CH, Chuang HY, Wang CL, Hsu CY, Long CY, Hsieh TH, Tsai EM. Estradiol induces cell proliferation in MCF‑7 mammospheres through HER2/COX‑2. Mol Med Rep 2019; 19:2341-2349. [PMID: 30664162 DOI: 10.3892/mmr.2019.9879] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 10/02/2018] [Indexed: 11/06/2022] Open
Abstract
Cluster of differentiation (CD)44+/CD24- breast cancer cells have stem cell‑like characteristics and are potent initiators of tumorigenesis. Mammosphere cells can partially initiate breast tumorigenesis by inducing estradiol (E2)‑dependent breast cancer cells. However, the mechanisms by which E2 mediates cancer formation in MCF‑7 mammosphere (MS) cells have remained elusive. In the present study, MS cells were isolated by sphere culture. It was possible to maintain these MS cells in culture for long periods of time, while retaining the CD44+/CD24- stem cell marker status. The CD44+/CD24- status was confirmed by flow cytometry. Furthermore, the stem‑cell markers Musashi‑1, cytokeratin (CK)7 and CK19 were identified by immunofluorescence microscopy. It was revealed that treatment of MS cells with E2 increased the expression of CD44, whereas decreased the expression of CD24 on MS cells. In addition, treatment with E2 increased colony formation by MS cells. E2 also induced cyclooxygenase‑2 (COX‑2) expression in MS cells, which promoted their proliferation through the estrogen receptor/human epidermal growth factor receptor 2 (HER2)/mitogen‑activated protein kinase/phosphoinositide‑3 kinase signaling pathway. The results suggested a tumorigenic mechanism by which E2 promotes tumor cell proliferation via HER2/COX‑2 signaling. The present study provided evidence for the molecular impact of E2 on breast tumorigenesis, and suggested possible strategies for preventing and treating human breast cancer.
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Affiliation(s)
- Chin-Hu Wu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Hui-Yu Chuang
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Chiu-Lin Wang
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Sanmin, Kaohsiung 807, Taiwan R.O.C
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26
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Dashnyam P, Mudududdla R, Hsieh TJ, Lin TC, Lin HY, Chen PY, Hsu CY, Lin CH. β-Glucuronidases of opportunistic bacteria are the major contributors to xenobiotic-induced toxicity in the gut. Sci Rep 2018; 8:16372. [PMID: 30401818 PMCID: PMC6219552 DOI: 10.1038/s41598-018-34678-z] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 10/23/2018] [Indexed: 02/07/2023] Open
Abstract
Gut bacterial β-D-glucuronidases (GUSs) catalyze the removal of glucuronic acid from liver-produced β-D-glucuronides. These reactions can have deleterious consequences when they reverse xenobiotic metabolism. The human gut contains hundreds of GUSs of variable sequences and structures. To understand how any particular bacterial GUS(s) contributes to global GUS activity and affects human health, the individual substrate preference(s) must be known. Herein, we report that representative GUSs vary in their ability to produce various xenobiotics from their respective glucuronides. To attempt to explain the distinct substrate preference, we solved the structure of a bacterial GUS complexed with coumarin-3-β-D-glucuronide. Comparisons of this structure with other GUS structures identified differences in loop 3 (or the α2-helix loop) and loop 5 at the aglycone-binding site, where differences in their conformations, hydrophobicities and flexibilities appear to underlie the distinct substrate preference(s) of the GUSs. Additional sequence, structural and functional analysis indicated that several groups of functionally related gut bacterial GUSs exist. Our results pinpoint opportunistic gut bacterial GUSs as those that cause xenobiotic-induced toxicity. We propose a structure-activity relationship that should allow both the prediction of the functional roles of GUSs and the design of selective inhibitors.
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Affiliation(s)
- Punsaldulam Dashnyam
- 0000 0000 9360 4962grid.469086.5Molecular and Biological Agricultural Sciences, Taiwan International Graduate Program, Academia Sinica and National Chung-Hsing University, Taipei, 11529 Taiwan ,0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan ,0000 0004 0532 3749grid.260542.7Graduate Institute of Biotechnology, National Chung-Hsing University, Taichung, 40227 Taiwan
| | - Ramesh Mudududdla
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Tung-Ju Hsieh
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Ting-Chien Lin
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Hsien-Ya Lin
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Peng-Yuan Chen
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Chia-Yi Hsu
- 0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan
| | - Chun-Hung Lin
- 0000 0000 9360 4962grid.469086.5Molecular and Biological Agricultural Sciences, Taiwan International Graduate Program, Academia Sinica and National Chung-Hsing University, Taipei, 11529 Taiwan ,0000 0001 2287 1366grid.28665.3fInstitute of Biological Chemistry, Academia Sinica, Taipei, 11529 Taiwan ,0000 0004 0532 3749grid.260542.7Biotechnology Center, National Chung-Hsing University, Taichung, 40227 Taiwan ,0000 0004 0546 0241grid.19188.39Department of Chemistry and Institute of Biochemical Sciences, National Taiwan University, Taipei, 10617 Taiwan
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27
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Hsu CY, Hsieh TH, Er TK, Chen HS, Tsai CC, Tsai EM. MiR‑381 regulates cell motility, growth and colony formation through PIK3CA in endometriosis‑associated clear cell and endometrioid ovarian cancer. Oncol Rep 2018; 40:3734-3742. [PMID: 30542723 DOI: 10.3892/or.2018.6779] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Accepted: 09/07/2018] [Indexed: 11/06/2022] Open
Abstract
Ovarian cancer is the one of the most lethal gynecological cancer types. MicroRNAs (miRs) are noncoding RNAs that modulate the translation of their target mRNAs via binding to a complementary sequence in the target 3' untranslated region, and the dysregulation of certain miRs has been demonstrated to contribute to cancer progression. In this regard, the current study extended our previous work and used next‑generation sequencing data to search for upstream regulators of genetic alterations that are common in ovarian cancer, as well as the miRs that are involved in controlling the expression of these regulators. An miR prediction program was used to identify miR‑381 as an upstream regulator of phosphatidylinositol 3‑kinase catalytic subunit α (PIK3CA) in the context of ovarian cancer. Levels of miR‑381 were decreased in clear cell and endometrioid carcinoma ovarian cancer. Experimentally induced upregulation of miR‑381 led to a decrease in the level of PIK3CA in ovarian cancer cells. Furthermore, experimentally induced upregulation of miR‑381 inhibited the proliferation of ovarian cancer cells in vitro and their ability to form colonies and migrate. The observed decrease in miR‑381 in ovarian cancer could be reversed upon overexpression of the gene encoding the tumor suppressor homeobox D10. The current results highlight the role of miR‑381‑mediated regulation of PIK3CA in the development and progression of ovarian cancer and suggest that restoration of miR‑381 to normal levels in ovarian cancer cells may constitute a therapeutic strategy for patients.
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Affiliation(s)
- Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Tze-Kiong Er
- Department of Health and Nutrition Biotechnology, College of Medical and Health Science, Asia University, Taichung 402, Taiwan, R.O.C
| | - Hung-Sheng Chen
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
| | - Ching-Chou Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 833, Taiwan, R.O.C
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung 807, Taiwan, R.O.C
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Ding DC, Tsai IJ, Hsu CY, Wang JH, Lin SZ, Sung FC. Risk of hypertension after hysterectomy: a population-based study. BJOG 2018; 125:1717-1724. [PMID: 29953717 DOI: 10.1111/1471-0528.15389] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/19/2018] [Indexed: 01/06/2023]
Affiliation(s)
- D-C Ding
- Department of Obstetrics and Gynaecology; Hualien Tzu Chi Hospital; Tzu Chi Medical Foundation; Tzu Chi University; Hualien Taiwan
- Institute of Medical Sciences; Tzu Chi University; Hualien Taiwan
| | - I-J Tsai
- Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
- College of Medicine; China Medical University; Taichung Taiwan
| | - CY Hsu
- Graduate Institute of Clinical Medical Science; China Medical University; Taichung Taiwan
| | - J-H Wang
- Department of Research; Hualien Tzu Chi Hospital; Tzu Chi Medical Foundation; Tzu Chi University; Hualien Taiwan
| | - S-Z Lin
- Department of Neurosurgery; Hualien Tzu Chi Hospital; Tzu Chi Medical Foundation; Tzu Chi University; Hualien Taiwan
| | - F-C Sung
- Management Office for Health Data; China Medical University Hospital; Taichung Taiwan
- Department of Health Services Administration; China Medical University; Taichung Taiwan
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Wu CH, Wu PW, Chen JH, Kao JY, Hsu CY. Effect of Selenization Processes on CIGS Solar Cell Performance. J Nanosci Nanotechnol 2018; 18:5074-5081. [PMID: 29442696 DOI: 10.1166/jnn.2018.15279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cu(In, Ga)Se2 (CIGS) films were fabricated by a two-step process method using sputtering from Cu0.7Ga0.3 and In targets. The metallic precursor structures of In/CuGa/In were prepared, and CuGa film was adjusted to the thicknesses of 150, 200, 250 and 300 nm, in order to optimize the CIGS film. After selenization, three independent CIGS (112), CIGS (220/204) and CIGS (312/116) began to crystallize at ~280 °C and phase peaks continued growing until 560 °C. Experimental results showed that with a single stage selenization method, the excessive stoichiometry of the CIGS films was obtained. Using three sequential stages for the selenization process, with a annealing time of 20 min, the stoichiometry of the CIGS absorbers with the Cu/(In + Ga) and Ga/(In + Ga) showed atomic ratios of 0.94 and 0.34, respectively. The intensity of the (112) XRD diffraction peak became stronger, indicating an improvement in the crystallinity. Raman spectra of CIGS absorbers showed a main peak (174 cm-1) and two weak signals (212 and 231 cm-1). TEM image for electron diffraction pattern showed that the grains were randomly oriented. CIGS solar cell device prepared with a proper selenization, a maximum efficiency of 12.45% was obtained.
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Affiliation(s)
- C H Wu
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - P W Wu
- Department of Materials Science and Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
| | - J H Chen
- Department of Industrial Education, National Taiwan Normal University, Taipei 106, Taiwan
| | - J Y Kao
- Department of Mechanical Engineering, Lunghwa University of Science and Technology, Taoyuan 33306, Taiwan
| | - C Y Hsu
- Department of Mechanical Engineering, Lunghwa University of Science and Technology, Taoyuan 33306, Taiwan
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Park M, Katz R, Shlipak MG, Weiner D, Tracy R, Jotwani V, Hughes-Austin J, Gabbai F, Hsu CY, Pfeffer M, Bansal N, Bostom A, Gutierrez O, Sarnak M, Levey A, Ix JH. Urinary Markers of Fibrosis and Risk of Cardiovascular Events and Death in Kidney Transplant Recipients: The FAVORIT Trial. Am J Transplant 2017; 17:2640-2649. [PMID: 28371433 PMCID: PMC5620109 DOI: 10.1111/ajt.14284] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 03/13/2017] [Accepted: 03/18/2017] [Indexed: 01/25/2023]
Abstract
Cardiovascular risk remains high in kidney transplant recipients (KTRs) despite improved kidney function after transplant. Urinary markers of kidney fibrosis and injury may help to reveal mechanisms of this risk. In a case-cohort study among stable KTRs who participated in the FAVORIT trial, we measured four urinary proteins known to correlate with kidney tubulointerstitial fibrosis on biopsy (urine alpha 1 microglobulin [α1m], monocyte chemoattractant protein-1 [MCP-1], procollagen type I [PINP] and type III [PIIINP] N-terminal amino peptide) and evaluated associations with cardiovascular disease (CVD) events (n = 300) and death (n = 371). In adjusted models, higher urine α1m (hazard ratio [HR] per doubling of biomarker 1.40 [95% confidence interval [CI] 1.21, 1.62]), MCP-1 (HR 1.18 [1.03, 1.36]), and PINP (HR 1.13 [95% CI 1.03, 1.23]) were associated with CVD events. These three markers were also associated with death (HR per doubling α1m 1.51 [95% CI 1.32, 1.72]; MCP-1 1.31 [95% CI 1.13, 1.51]; PINP 1.11 [95% CI 1.03, 1.20]). Higher concentrations of urine α1m, MCP-1, and PINP may identify KTRs at higher risk for CVD events and death. These markers may identify a systemic process of fibrosis involving both the kidney and cardiovascular system, and give new insights into mechanisms linking the kidney with CVD.
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Affiliation(s)
- M Park
- Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, California,Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California
| | - R Katz
- Kidney Research Institute, Division of Nephrology, University of Washington, Seattle, Washington
| | - M G Shlipak
- Department of Epidemiology and Biostatistics, University of California San Francisco, San Francisco, California,General Internal Medicine Section, San Francisco Veterans Affairs Hospital, San Francisco, California,Division of General Internal Medicine, Department of Medicine, University of California San Francisco, San Francisco, California
| | - D Weiner
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
| | - R Tracy
- Department of Pathology, University of Vermont, Burlington, Vermont
| | - V Jotwani
- Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, California
| | - J Hughes-Austin
- Division of Preventive Medicine, Department of Preventive Medicine and Public Health, University of California San Diego, San Diego, California
| | - F Gabbai
- Division of Nephrology-Hypertension, Department of Medicine, University of California San Diego, San Diego, California,Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, California
| | - CY Hsu
- Division of Nephrology, Department of Medicine, University of California San Francisco, San Francisco, California
| | - M Pfeffer
- Division of Cardiology, Brigham and Women's Hospital, Boston, Massachusetts
| | - N Bansal
- Kidney Research Institute, Division of Nephrology, University of Washington, Seattle, Washington
| | - A Bostom
- Rhode Island Hospital, Providence, Rhode Island
| | - O Gutierrez
- Departments of Medicine and Epidemiology, University of Alabama at Birmingham, Birmingham, AL
| | - M Sarnak
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
| | - A Levey
- Division of Nephrology, Department of Medicine, Tufts Medical Center, Boston, Massachusetts
| | - J H Ix
- Division of Preventive Medicine, Department of Preventive Medicine and Public Health, University of California San Diego, San Diego, California,Division of Nephrology-Hypertension, Department of Medicine, University of California San Diego, San Diego, California,Nephrology Section, Veterans Affairs San Diego Healthcare System, San Diego, California
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31
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Tang FH, Hsieh TH, Hsu CY, Lin HY, Long CY, Cheng KH, Tsai EM. KRAS mutation coupled with p53 loss is sufficient to induce ovarian carcinosarcomas in mice. Int J Cancer 2017; 140:1860-1869. [PMID: 28032649 DOI: 10.1002/ijc.30591] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2016] [Revised: 11/08/2016] [Accepted: 12/08/2016] [Indexed: 01/25/2023]
Abstract
Ovarian carcinosarcoma cancer is the most lethal form of gynecological malignancy, but the pathogenesis and biological function for this ovarian cancer remain unknown. We establishment the transgenic mouse model of K-rasG12D p53loxP/loxP and found that K-ras mutation and p53 deletion within the ovarian surface epithelium gave rise to ovarian lesions with a hyperproliferation and endometrioid glandular morphology. Furthermore, double mutant ovaries formed ovarian carcinosarcomas that were high grade and poorly differentiated. Induction was widely metastatic and spread to abdominal organs including liver, spleen, and kidney at 4 wk. We also confirmed the role of K-rasG12D in ovarian cancer cell lines MCAS and PA-1 and showed that K-rasG12D overexpression strongly induced cell proliferation, migration, and invasion. The ovarian cancer model we developed recapitulates the specific tumor histomorphology and the probable mechanism of malignant transformation in endometriosis.
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Affiliation(s)
- Feng-Hsiang Tang
- Graduate Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Hsiao-Yun Lin
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Kuang-Hung Cheng
- Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan.,Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Eing-Mei Tsai
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan.,Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.,Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan.,Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan.,Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Chen HS, Hsu CY, Chang YC, Chuang HY, Long CY, Hsieh TH, Tsai EM. Benzyl butyl phthalate decreases myogenic differentiation of endometrial mesenchymal stem/stromal cells through miR-137-mediated regulation of PITX2. Sci Rep 2017; 7:186. [PMID: 28298639 PMCID: PMC5428022 DOI: 10.1038/s41598-017-00286-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2016] [Accepted: 02/17/2017] [Indexed: 11/13/2022] Open
Abstract
Phthalate, an environmental toxin, has been considered as an endocrine-disrupting chemical. Growing evidence has demonstrated links between endocrine-disrupting chemicals, tissue development, and reproductive physiology, but the mechanisms of gene expression regulation by environmental factors that affect cell differentiation are unclear. Herein, we investigated the effects of butyl benzyl phthalate (BBP) on human endometrial mesenchymal stem/stromal cell (EN-MSC) differentiation and identified a novel signaling pathway. Differentiation of endometrial mesenchymal stem/stromal cells decreased after administration of BBP. We analyzed BBP regulation of gene expression in EN-MSC using cDNA microarrays and Ingenuity Pathway Analysis software to identify affected target genes and their biological functions. PITX2 emerged as a common gene hit from separate screens targeting skeletal and muscular disorders, cell morphology, and tissue development. BBP decreased transcription of PITX2 and elevated expression of the microRNA miR-137, the predicted upstream negative regulator of PITX2. These data indicated that BBP affects PITX2 expression through miR-137 targeting of the 3' untranslated region of PITX2 mRNA. PITX2 down-regulation also decreased MyoD transcript levels in EN-MSC. Our results demonstrate that BBP decreases EN-MSC myogenic differentiation through up-regulation of miR-137, contribute to our understanding of EN-MSC differentiation, and underline the hazardous potential of environmental hormones.
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Affiliation(s)
- Hung-Sheng Chen
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Chia-Yi Hsu
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Yu-Chia Chang
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Hui-Yu Chuang
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan
| | - Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan.
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan.
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung City, Taiwan.
- Research Center for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan.
- Center for Infectious Disease and Cancer Research, Kaohsiung Medical University, Kaohsiung, Taiwan.
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Abstract
Purpose: Meniscal tears associated with displaced fragments are clinically significant. We propose the "disproportional posterior horn sign" as a supportive criterion to identify a posterocentrally displaced meniscal fragment on MR imaging studies. If the meniscal posterior horn in the central portion appears larger than that in the peripheral section, it is considered positive for "disproportional posterior horn sign". Material and Methods: MR images obtained in 42 patients with 43 lesions, confirmed to have displaced meniscal tears, were included in this study. The MR images were retrospectively evaluated for the presence of the "disproportional posterior horn sign", as well as the other known signs. Results: The "disproportional posterior horn sign" was seen in 9 (20.9%) of 43 lesions, including 1 lateral discoid meniscal tear, 5 lateral meniscal tears and 3 medial meniscal tears. Five of them also had other signs of a displaced meniscal fragment. However, the remaining 4 cases only exhibited the "disproportional posterior horn sign". For the other MR signs, the "absent bow tie sign" was detected in 40 (93%) of 43 lesions, the "flipped meniscus sign" in 27 (62.8%) of 43 lesions, the "double posterior cruciate ligament sign" in 17 (39.5%) of 43 lesions and the "notch fragment sign" in 22 (51.2%) of 43 lesions. Conclusion: The "disproportional posterior horn sign" is helpful in demonstrating a posterocentrally displaced meniscal fragment, especially when other characteristic signs are unremarkable or absent.
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Affiliation(s)
- H C Chen
- Department of Radiology, China Medical College Hospital, Taichung, P.R. China
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Hsu CY, Hsieh TH, Tsai CF, Chen HS, Liang PI, Hsu YL, Tsai EM. Synthetic Steroid Hormones Regulated Cell Proliferation Through MicroRNA-34a-5p in Human Ovarian Endometrioma1. Biol Reprod 2016; 94. [DOI: 10.1095/biolreprod.115.133330] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/30/2023] Open
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Hsieh TH, Hsu CY, Tsai CF, Long CY, Chai CY, Hou MF, Lee JN, Wu DC, Wang SC, Tsai EM. miR-125a-5p is a prognostic biomarker that targets HDAC4 to suppress breast tumorigenesis. Oncotarget 2016; 6:494-509. [PMID: 25504437 PMCID: PMC4381610 DOI: 10.18632/oncotarget.2674] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Accepted: 11/02/2014] [Indexed: 12/18/2022] Open
Abstract
Identifying stably expressed tumor markers that can be used easily to detect cancer is currently an important area of cancer research. By using miRNA microarray, we identified 20 differentially expressed miRNAs in serum samples of breast cancer patients. Expression of miR-125a-5p was relatively lower in patients with shorter survival compared to long-term survivors. In a cohort of breast cancer patients (N = 300), serum expression of miR-125a-5p was negatively and significantly correlated with tumor grade (P = 0.004), lymph-node status (P = 0.004), and tumor size (P < 0.001). Low miR-125a-5p expression was an independent prognostic marker (OR = 0.421; 95% CI = 0.184 to 0.961; P = 0.04) associated with poor survival rates (P = 0.0062). We show that miR-125a-5p directly inhibits expression of the HDAC4 gene, resulting in tumor suppression in vitro and in vivo. Together these results demonstrate that serum miR-125a-5p level in breast cancer may be a useful prognostic biomarker and offer a novel therapeutic avenue by targeting HDAC4 in breast cancer.
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Affiliation(s)
- Tsung-Hua Hsieh
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Chia-Yi Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Cheng-Fang Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Cheng-Yu Long
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Chee-Yin Chai
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Ming-Feng Hou
- Department of General Surgery, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Jau-Nan Lee
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Deng-Chyang Wu
- Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
| | - Shao-Chun Wang
- Department of Cancer Biology, University of Cincinnati, College of Medicine, Cincinnati, Ohio 45267, USA
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan. Center for Research Resources and Development, Kaohsiung Medical University, Kaohsiung 80708, Taiwan. Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung 80708, Taiwan. Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung 80708, Taiwan
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Tsai CF, Hsieh TH, Lee JN, Hsu CY, Wang YC, Kuo KK, Wu HL, Chiu CC, Tsai EM, Kuo PL. Curcumin Suppresses Phthalate-Induced Metastasis and the Proportion of Cancer Stem Cell (CSC)-like Cells via the Inhibition of AhR/ERK/SK1 Signaling in Hepatocellular Carcinoma. J Agric Food Chem 2015; 63:10388-10398. [PMID: 26585812 DOI: 10.1021/acs.jafc.5b04415] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Recent evidence indicating that phthalates promote cancer development, including cell proliferation, migration, and invasion, has raised public health concerns. Here, we show that bis(2-ethylhexyl) phthalate promotes the migration, invasion, and epithelial-mesenchymal transition of hepatocellular carcinoma cells. In addition, bis(2-ethylhexyl) phthalate increased the proportion of cancer stem cell (CSC)-like cells and stemness maintenance in vitro as well as tumor growth and metastasis in vivo. The various activities of curcumin, including anticancer, anti-inflammation, antioxidation, and immunomodulation, have been investigated extensively. Curcumin suppressed phthalate-induced cell migration, invasion, and epithelial-mesenchymal transition, decreased the proportion of CSC-like cells in hepatocellular carcinoma cell lines in vitro, and inhibited tumor growth and metastasis in vivo. We also reveal that curcumin suppressed phthalate-induced migration, invasion, and CSC-like cell maintenance through inhibition of the aryl hydrocarbon receptor/ERK/SK1/S1P3 signaling pathway. Our results suggest that curcumin may be a potential antidote for phthalate-induced cancer progression.
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Affiliation(s)
- Cheng-Fang Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung City 807, Taiwan
| | - Tsung-Hua Hsieh
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung City 807, Taiwan
| | - Jau-Nan Lee
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital , Kaohsiung City 807, Taiwan
| | - Chia-Yi Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung City 807, Taiwan
| | - Yu-Chih Wang
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital , Kaohsiung City 807, Taiwan
| | - Kung-Kai Kuo
- Division of Hepatobiliary Pancreatic Surgery, Department of Surgery, Kaohsiung Medical University Hospital , Kaohsiung 807, Taiwan
| | - Hua-Lin Wu
- Department of Biochemistry and Molecular Biology, National Cheng Kung University , Tainan 701, Taiwan
| | - Chien-Chih Chiu
- Department of Biotechnology, Kaohsiung Medical University , Kaohsiung 807, Taiwan
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung City 807, Taiwan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital , Kaohsiung City 807, Taiwan
| | - Po-Lin Kuo
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University , Kaohsiung 807, Taiwan
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Chen CL, Chou KJ, Fang HC, Hsu CY, Huang WC, Huang CW, Huang CK, Chen HY, Lee PT. Progenitor-like cells derived from mouse kidney protect against renal fibrosis in a remnant kidney model via decreased endothelial mesenchymal transition. Stem Cell Res Ther 2015; 6:239. [PMID: 26631265 PMCID: PMC4668678 DOI: 10.1186/s13287-015-0241-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2014] [Revised: 03/09/2015] [Accepted: 11/17/2015] [Indexed: 12/20/2022] Open
Abstract
Introduction Pathophysiological changes associated with chronic kidney disease impair angiogenic processes and increase renal fibrosis. Progenitor-like cells derived from adult kidney have been previously used to promote regeneration in acute kidney injury, even though it remained unclear whether the cells could be beneficial in chronic kidney disease (CKD). Methods In this study, we established a CKD model by five-sixths nephrectomy and mouse kidney progenitor-like cells (MKPCs) were intravenously administered weekly for 5 weeks after establishing CKD. We examined the impact of MKPCs on the progression of renal fibrosis and the potential of MKPCs to preserve the angiogenic process and prevent endothelial mesenchymal transition in vivo and in vitro. Results Our results demonstrate that the MKPCs delayed interstitial fibrosis and the progression of glomerular sclerosis and ameliorated the decline of kidney function. At 17 weeks, the treated mice exhibited lower blood pressures, higher hematocrit levels, and larger kidney sizes than the control mice. In addition, the MKPC treatment prolonged the survival of the mice with chronic kidney injuries. We observed a decreased recruitment of macrophages and myofibroblasts in the interstitium and the increased tubular proliferation. Notably, MKPC both decreased the level of vascular rarefaction and prevented endothelial mesenchymal transition (EndoMT) in the remnant kidneys. Moreover, the conditioned medium from the MKPCs ameliorated endothelial cell death under hypoxic culture conditions and prevented TGF-β-induced EndoMT through downregulation of phosphorylated Smad 3 in vitro. Conclusions MKPCs may be a beneficial treatment for kidney diseases characterized by progressive renal fibrosis. The enhanced preservation of angiogenic processes following MKPC injections may be associated with decreased fibrosis in the remnant kidney. These findings provide further understanding of the mechanisms involved in these processes and will help develop new cell-based therapeutic strategies for regenerative medicine in renal fibrosis. Electronic supplementary material The online version of this article (doi:10.1186/s13287-015-0241-8) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- C L Chen
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - K J Chou
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - H C Fang
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - C Y Hsu
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - W C Huang
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - C W Huang
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - C K Huang
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - H Y Chen
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
| | - P T Lee
- Division of Nephrology, Department of Medicine, Kaohsiung Veterans General Hospital, School of Medicine, National Yang-Ming University, 386 Ta-Chung 1st Rd, Kaohsiung, 813, Taiwan.
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Hsu CY, Sulake RS, Huang PK, Shih HY, Sie HW, Lai YK, Chen C, Weng CF. Synthetic (+)-antroquinonol exhibits dual actions against insulin resistance by triggering AMP kinase and inhibiting dipeptidyl peptidase IV activities. Br J Pharmacol 2015; 172:38-49. [PMID: 24977411 DOI: 10.1111/bph.12828] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 06/03/2014] [Accepted: 06/19/2014] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND AND PURPOSE The fungal product (+)-antroquinonol activates AMP kinase (AMPK) activity in cancer cell lines. The present study was conducted to examine whether chemically synthesized (+)-antroquinonol exhibited beneficial metabolic effects in insulin-resistant states by activating AMPK and inhibiting dipeptidyl peptidase IV (DPP IV) activity. EXPERIMENTAL APPROACH Effects of (+)-antroquinonol on DPP IV activity were measured with a DPPIV Assay Kit and effects on GLP-1-induced PKA were measured in AR42J cells. Translocation of the glucose transporter 4, GLUT4, induced either by insulin-dependent PI3K/AKT signalling or by insulin-independent AMPK activation, was assayed in differentiated myotubes. Glucose uptake and GLUT4 translocation were assayed in L6 myocytes. Mice with diet-induced obesity were used to assess effects of acute and chronic treatment with (+)-antroquinonol on glycaemic control in vivo. KEY RESULTS The results showed that of (+)-antroquinonol (100 μM ) inhibited the DPP IV activity as effectively as the clinically used inhibitor, sitagliptin. The phosphorylation of AMPK Thr(172) in differentiated myotubes was significantly increased by (+)-antroquinonol. In cells simultaneously treated with S961 (insulin receptor antagonist), insulin and (+)-antroquinonol, the combination of (+)-antroquinonol plus insulin still increased both GLUT4 translocation and glucose uptake. Further, (+)-antroquinonol and sitagliptin reduced blood glucose, when given acutely or chronically to DIO mice. CONCLUSIONS AND IMPLICATIONS Chemically synthesized (+)-antroquinonol exhibits dual effects to ameliorate insulin resistance, by increasing AMPK activity and GLUT4 translocation, along with inhibiting DPP IV activity.
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Affiliation(s)
- C Y Hsu
- Institute of Biotechnology, National Dong-Hwa University, Hualien, Taiwan; Institute of Biotechnology, National Tsing Hua University, Hsinchu, Taiwan
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Hsu CY, Yen AMF, Chen LS, Chen HH. Analysis of household data on influenza epidemic with Bayesian hierarchical model. Math Biosci 2015; 261:13-26. [PMID: 25484132 PMCID: PMC7094348 DOI: 10.1016/j.mbs.2014.11.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2013] [Revised: 11/14/2014] [Accepted: 11/22/2014] [Indexed: 11/25/2022]
Abstract
Data used for modelling the household transmission of infectious diseases, such as influenza, have inherent multilevel structures and correlated property, which make the widely used conventional infectious disease transmission models (including the Greenwood model and the Reed-Frost model) not directly applicable within the context of a household (due to the crowded domestic condition or socioeconomic status of the household). Thus, at the household level, the effects resulting from individual-level factors, such as vaccination, may be confounded or modified in some way. We proposed the Bayesian hierarchical random-effects (random intercepts and random slopes) model under the context of generalised linear model to capture heterogeneity and variation on the individual, generation, and household levels. It was applied to empirical surveillance data on the influenza epidemic in Taiwan. The parameters of interest were estimated by using the Markov chain Monte Carlo method in conjunction with the Bayesian directed acyclic graphical models. Comparisons between models were made using the deviance information criterion. Based on the result of the random-slope Bayesian hierarchical method under the context of the Reed-Frost transmission model, the regression coefficient regarding the protective effect of vaccination varied statistically significantly from household to household. The result of such a heterogeneity was robust to the use of different prior distributions (including non-informative, sceptical, and enthusiastic ones). By integrating out the uncertainty of the parameters of the posterior distribution, the predictive distribution was computed to forecast the number of influenza cases allowing for random-household effect.
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Affiliation(s)
- C Y Hsu
- Department of Emergency Medicine, Taipei City Hospital, Zhongxing Branch, Taipei, Taiwan ; Division of Biostatistics, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - A M F Yen
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - L S Chen
- School of Oral Hygiene, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
| | - H H Chen
- Division of Biostatistics, College of Public Health, National Taiwan University, Taipei, Taiwan.
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Wang IK, Chen HJ, Cheng YK, Wu YY, Lin SY, Chou CY, Chang CT, Yen TH, Chuang FR, Sung FC, Hsu CY. Subdural hematoma in diabetic patients. Eur J Neurol 2014; 22:99-105. [PMID: 25164261 DOI: 10.1111/ene.12538] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2014] [Accepted: 06/23/2014] [Indexed: 12/21/2022]
Abstract
BACKGROUND AND PURPOSE Subdural hematoma (SDH) is associated with a high mortality rate. However, the risk of SDH in diabetic patients has not been well studied. The aim of the study was to examine the risk of SDH in incident diabetic patients. METHODS From a universal insurance claims database of Taiwan, a cohort of 28,045 incident diabetic patients from 2000 to 2005 and a control cohort of 56,090 subjects without diabetes were identified. The incidence and hazard ratio of SDH were measured by the end of 2010. RESULTS The mean follow-up years were 7.24 years in the diabetes cohort and 7.44 years in the non-diabetes cohort. The incidence of SDH was 1.57-fold higher in the diabetes cohort than in the non-diabetes cohort (2.04 vs. 1.30 per 1000 person-years), with an adjusted hazard ratio of 1.63 [95% confidence interval (CI) 1.43-1.85]. The stratified data showed that adjusted hazard ratios were 1.51 (95% CI 1.28-1.77) for traumatic SDH and 1.89 (95% CI 1.52-2.36) for non-traumatic SDH. The 30-day mortality rate for those who developed SDH in the diabetes cohort was 8.94%. CONCLUSIONS This study demonstrates that incident diabetic patients are at higher risk of SDH than individuals without diabetes. Proper intervention for diabetic patients is necessary for preventing the devastating disorder.
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Affiliation(s)
- I-K Wang
- Graduate Institute of Clinical Medical Science, China Medical University College of Medicine, Taichung, Taiwan; Division of Nephrology, China Medical University Hospital, Taichung, Taiwan; Department of Internal Medicine, China Medical University College of Medicine, Taichung, Taiwan
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Tsai CF, Hsieh TH, Lee JN, Hsu CY, Wang YC, Lai FJ, Kuo KK, Wu HL, Tsai EM, Kuo PL. Benzyl butyl phthalate induces migration, invasion, and angiogenesis of Huh7 hepatocellular carcinoma cells through nongenomic AhR/G-protein signaling. BMC Cancer 2014; 14:556. [PMID: 25081364 PMCID: PMC4131049 DOI: 10.1186/1471-2407-14-556] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Accepted: 07/18/2014] [Indexed: 01/04/2023] Open
Abstract
Background The widespread use of phthalates as plasticizers has raised public health concerns regarding their adverse effects, including an association with cancer. Although animal investigations have suggested an association between phthalate exposure and hepatocellular carcinoma, the mechanisms are unknown. Methods The hepatocellular carcinoma cell line Huh7 was treated with benzyl butyl phthalate (BBP), and then analyzed by total internal reflection fluorescence microscopy, confocal microscopy and double immunogold transmission electron microscopy. Following BBP treatment, mRNA levels were measured by RT-PCR, protein levels were measured using western blot, and vascular endothelial growth factor levels were measured by an enzyme-linked immunosorbent assay. Cell migration and invasion assays were evaluated by transwell, and angiogenesis were performed by a tube formation assay. Nude mice were used to investigate metastasis and angiogenesis in vivo. Results BBP affected hepatocellular carcinoma progression through the aryl hydrocarbon receptor (AhR) and that benzyl butyl phthalate (BBP) stimulated AhR at the cell surface, which then interacted with G proteins and triggered a downstream signaling cascade. BBP activated AhR through a nongenomic action involving G-protein signaling rather than the classical genomic AhR action. BBP treatment promoted cell migration and invasion in vitro and metastasis in vivo via the AhR/Gβ/PI3K/Akt/NF-κB pathway. In addition, BBP induced both in vitro and in vivo angiogenesis through the AhR/ERK/VEGF pathway. Conclusions These findings suggest a novel nongenomic AhR mechanism involving G-protein signaling induced by phthalates, which contributes to tumor progression of hepatocellular carcinoma. Electronic supplementary material The online version of this article (doi:10.1186/1471-2407-14-556) contains supplementary material, which is available to authorized users.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Eing-Mei Tsai
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City 807, Taiwan.
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Lin HC, Hsu YT, Kachingwe BH, Hsu CY, Uang YS, Wang LH. Dose effect of thiazolidinedione on cancer risk in type 2 diabetes mellitus patients: a six-year population-based cohort study. J Clin Pharm Ther 2014; 39:354-60. [PMID: 24661226 DOI: 10.1111/jcpt.12151] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2014] [Accepted: 02/18/2014] [Indexed: 12/15/2022]
Abstract
WHAT IS KNOWN AND OBJECTIVE Prior studies found that thiazolidinediones (TZDs) might have tumour-suppressor activity mediated through cell-cycle arrest, induction of apoptosis and inhibition of cell invasion. The main objective of this study was to investigate the effects of TZDs on the risk of cancer among patients with type 2 diabetes mellitus (DM). METHODS Patients diagnosed with DM between 1 January 1998 and 31 December 2002 were identified from the Longitudinal Health Insurance Database (LHID) within the Taiwan National Health Insurance (NHI) programme. Using Cox regression models, we assessed the association between prescribed TZDs and cancer risk, TZDs' dose effect and the association between TZDs and specific cancer types. Hazard ratios (HR) were adjusted for potential confounders (age, gender, income, Charlson score index, metformin and insulin use). RESULTS AND DISCUSSION The adjusted HRs for those prescribed TZD were 0·74 (95% CI 0·43-1·26, P = 0·27), 0·39 (95% CI 0·33-0·45, P < 0·001) and 0·49 (95% CI 0·27-0·89, P = 0·02), respectively, relative to non-DM patients, DM patients prescribed other anti-DM drugs besides TZDs and DM patients not prescribed any anti-DM drugs. In addition, the effects of TZDs were shown to be significantly dose dependent (P for trend < 0·001). The risk of breast, brain, colorectal, ear-nose-throat, kidney, liver, lung, lymphatic, prostate, stomach, and uterus cancer was significantly lower in those prescribed TZDs. WHAT IS NEW AND CONCLUSIONS The results showed a decrease in cancer risk in diabetic patients using TZD, and the association was dose dependent.
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Affiliation(s)
- H C Lin
- Department of Pediatrics, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan; Department of Laboratory Medicine, Taipei Medical University Hospital, Taipei, Taiwan
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Hsu CY, Hsieh TH, Tsai CF, Tsai HP, Chen HS, Chang Y, Chuang HY, Lee JN, Hsu YL, Tsai EM. miRNA-199a-5p regulates VEGFA in endometrial mesenchymal stem cells and contributes to the pathogenesis of endometriosis. J Pathol 2014; 232:330-43. [PMID: 24155090 DOI: 10.1002/path.4295] [Citation(s) in RCA: 103] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 10/03/2013] [Accepted: 10/18/2013] [Indexed: 12/12/2022]
Abstract
It is believed that endometrial miRNAs contribute to the aetiology of endometriosis in stem cells; however, the mechanisms remain unclear. Here we collected serum samples from patients with or without endometriosis and characterized the miRNA expression profiles of these two groups. MicroRNA-199a-5p (miR-199a-5p) was dramatically down-regulated in patients with endometriosis compared with control patients. In addition, we found that the tumour suppressor gene, SMAD4, could elevate miR-199a-5p expression in ectopic endometrial mesenchymal stem cells. Up-regulation of miR-199a-5p suppressed cell proliferation, motility and angiogenesis of these ectopic stem cells by targeting the 3' untranslated region of VEGFA. Furthermore, we established an animal model of endometriosis and found that miR-199a-5p could decrease the size of endometriotic lesions in vivo. Taken together, this newly identified miR-199a-5p module provides a new avenue to the understanding of the processes of endometriosis development, especially proliferation, motility and angiogenesis, and may facilitate the development of potential therapeutics against endometriosis.
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Affiliation(s)
- Chia-Yi Hsu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung City, Taiwan, Republic of China
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Hsieh TH, Tsai CF, Hsu CY, Kuo PL, Hsi E, Suen JL, Hung CH, Lee JN, Chai CY, Wang SC, Tsai EM. n-Butyl benzyl phthalate promotes breast cancer progression by inducing expression of lymphoid enhancer factor 1. PLoS One 2012; 7:e42750. [PMID: 22905168 PMCID: PMC3414447 DOI: 10.1371/journal.pone.0042750] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2011] [Accepted: 07/12/2012] [Indexed: 11/30/2022] Open
Abstract
Environmental hormones play important roles in regulating the expression of genes involved in cell proliferation, drug resistance, and breast cancer risk; however, their precise role in human breast cancer cells during cancer progression remains unclear. To elucidate the effect of the most widely used industrial phthalate, n-butyl benzyl phthalate (BBP), on cancer progression, we evaluated the results of BBP treatment using a whole human genome cDNA microarray and MetaCore software and selected candidate genes whose expression was changed by more than ten-fold by BBP compared with controls to analyze the signaling pathways in human breast cancer initiating cells (R2d). A total of 473 genes were upregulated, and 468 were downregulated. Most of these genes are involved in proliferation, epithelial-mesenchymal transition, and angiogenesis signaling. BBP induced the viability, invasion and migration, and tube formation in vitro, and Matrigel plug angiogenesis in vivo of R2d and MCF-7. Furthermore, the viability and invasion and migration of these cell lines following BBP treatment was reduced by transfection with a small interfering RNA targeting the mRNA for lymphoid enhancer-binding factor 1; notably, the altered expression of this gene consistently differentiated tumors expressing genes involved in proliferation, epithelial-mesenchymal transition, and angiogenesis. These findings contribute to our understanding of the molecular impact of the environmental hormone BBP and suggest possible strategies for preventing and treating human breast cancer.
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Affiliation(s)
- Tsung-Hua Hsieh
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Cheng-Fang Tsai
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chia-Yi Hsu
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Po-Lin Kuo
- Institute of Clinical Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center of Excellence for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Edward Hsi
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jau-Ling Suen
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chih-Hsing Hung
- Department of Pediatrics, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Jau-Nan Lee
- Center of Excellence for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Chee-Yin Chai
- Center of Excellence for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Pathology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
| | - Shao-Chun Wang
- Department of Cancer and Cell Biology, University of Cincinnati College of Medicine, Cincinnati, Ohio, United States of America
| | - Eing-Mei Tsai
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Center of Excellence for Environmental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- Department of Obstetrics and Gynecology, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
- * E-mail:
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Wang YC, Chen HS, Long CY, Tsai CF, Hsieh TH, Hsu CY, Tsai EM. Possible mechanism of phthalates-induced tumorigenesis. Kaohsiung J Med Sci 2012; 28:S22-7. [DOI: 10.1016/j.kjms.2012.05.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2012] [Accepted: 03/15/2012] [Indexed: 01/11/2023] Open
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Hsieh TH, Tsai CF, Hsu CY, Kuo PL, Lee JN, Chai CY, Hou MF, Chang CC, Long CY, Ko YC, Tsai EM. Phthalates stimulate the epithelial to mesenchymal transition through an HDAC6-dependent mechanism in human breast epithelial stem cells. Toxicol Sci 2012; 128:365-76. [PMID: 22552774 DOI: 10.1093/toxsci/kfs163] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Phthalates are environmental hormone-like molecules that are associated with breast cancer risk and are involved in metastasis, a process that requires the epithelial-mesenchymal transition (EMT). However, few studies have addressed the potential effects of phthalates on stem cells. Here we tested the hypothesis that phthalates such as butyl benzyl phthalate and di-n-butyl phthalate induce EMT in R2d cells, a stem cell-derived human breast epithelial cell line that is responsive to estradiol for tumor development. We observed that phthalates induced EMT as evidenced by morphological changes concomitant with increased expression of mesenchymal markers and decreased expression of epithelial markers. Molecular mechanism studies revealed that histone deacetylase 6 (HDAC6) is required for phthalate-induced cell migration and invasion during EMT in vitro and metastasis into the lungs of nude mice. We also constructed a series of mutant HDAC6 promoter fragments and found that the transcription factor AP-2a plays a novel role in regulating the HDAC6 promoter. Furthermore, phthalates stimulated estrogen receptors and triggered the downstream EGFR-PKA signaling cascade, leading to increased expression of AP-2a in the nucleus. We also observed that phthalates increased expression of the PP1/HDAC6 complex and caused Akt activation and GSK3β inactivation, leading to transcriptional activation of vimentin through the β-catenin-TCF-4/LEF1 pathway. Understanding the signaling cascades of phthalates that activate EMT through HDAC6 in breast epithelial stem cells provides the identification of novel therapeutic target for human breast cancer.
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Affiliation(s)
- Tsung-Hua Hsieh
- Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Ma H, Parsons MW, Christensen S, Campbell BCV, Churilov L, Connelly A, Yan B, Bladin C, Phan T, Barber AP, Read S, Hankey GJ, Markus R, Wijeratne T, Grimley R, Mahant N, Kleinig T, Sturm J, Lee A, Blacker D, Gerraty R, Krause M, Desmond PM, McBride SJ, Carey L, Howells DW, Hsu CY, Davis SM, Donnan GA. A multicentre, randomized, double-blinded, placebo-controlled Phase III study to investigate EXtending the time for Thrombolysis in Emergency Neurological Deficits (EXTEND). Int J Stroke 2012; 7:74-80. [PMID: 22188854 DOI: 10.1111/j.1747-4949.2011.00730.x] [Citation(s) in RCA: 156] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND HYPOTHESIS Thrombolytic therapy with tissue plasminogen activator is effective for acute ischaemic stroke within 4·5 h of onset. Patients who wake up with stroke are generally ineligible for stroke thrombolysis. We hypothesized that ischaemic stroke patients with significant penumbral mismatch on either magnetic resonance imaging or computer tomography at three- (or 4·5 depending on local guidelines) to nine-hours from stroke onset, or patients with wake-up stroke within nine-hours from midpoint of sleep duration, would have improved clinical outcomes when given tissue plasminogen activator compared to placebo. STUDY DESIGN EXtending the time for Thrombolysis in Emergency Neurological Deficits is an investigator-driven, Phase III, randomized, multicentre, double-blind, placebo-controlled study. Ischaemic stroke patients presenting after the three- or 4·5-h treatment window for tissue plasminogen activator and within nine-hours of stroke onset or with wake-up stroke within nine-hours from the midpoint of sleep duration, who fulfil clinical (National Institutes of Health Stroke Score ≥4-26 and prestroke modified Rankin Scale <2) will undergo magnetic resonance imaging or computer tomography. Patients who also meet imaging criteria (infarct core volume <70 ml, perfusion lesion : infarct core mismatch ratio >1·2, and absolute mismatch >10 ml) will be randomized to either tissue plasminogen activator or placebo. STUDY OUTCOME The primary outcome measure will be modified Rankin Scale 0-1 at day 90. Clinical secondary outcomes include categorical shift in modified Rankin Scale at 90 days, reduction in the National Institutes of Health Stroke Score by 8 or more points or reaching 0-1 at day 90, recurrent stroke, or death. Imaging secondary outcomes will include symptomatic intracranial haemorrhage, reperfusion and or recanalization at 24 h and infarct growth at day 90.
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Affiliation(s)
- Henry Ma
- National Stroke Research Institute, Florey Neuroscience Institutes, Austin Health, University of Melbourne, Heidelberg Heights, Victoria, Australia
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Hsieh TH, Tsai CF, Hsu CY, Kuo PL, Lee JN, Chai CY, Wang SC, Tsai EM. Phthalates induce proliferation and invasiveness of estrogen receptor-negative breast cancer through the AhR/HDAC6/c-Myc signaling pathway. FASEB J 2011; 26:778-87. [PMID: 22049059 DOI: 10.1096/fj.11-191742] [Citation(s) in RCA: 115] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
The environmentally present group of chemical phthalates, or phthalate esters, has been recognized as a rising threat to public health, including cancer. While most studies have addressed the estrogenic effects of phthalates in malignancies of the breast and the prostate, little is known about their role in the etiology of hormone-independent cancer. Here we show that treatments with the phthalates n-butyl benzyl phthalate (BBP) and dibutyl phthalate (DBP) at 1 μM induced proliferation (BBP, 3.2-fold; DBP, 3.2-fold), migration (BBP, 2.6-fold; DBP, 2.6-fold), invasion (BBP, 2.7-fold; DBP, 3.1-fold), and tumor formation (EC(50): BBP, 0.12 μM; DBP, 0.22 μM) in estrogen receptor (ER)-negative breast cancer cells (MDA-MB-231). We further demonstrate that phthalates stimulated the cell surface aryl hydrocarbon receptor (AhR) and triggered the downstream cyclic AMP (cAMP)-PKA-CREB1 signaling cascade. The pathway led to increased expression of HDAC6, which facilitated nuclear assembly of the β-catenin-LEF1/TCF4 transcriptional complex and transactivation of the c-Myc oncogene. This nongenomic pathway emanated from the phthalate-induced AhR promoted tumorigenesis of ER-negative breast cancer. Collectively, our findings revealed a novel oncogenic mechanism of phthalates in breast cancer independent from their estrogenic activities.
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Affiliation(s)
- Tsung-Hua Hsieh
- Graduate Institute of Medicine, Kaohsiung Medical University Hospital, Kaohsiung Medical University, Kaohsiung, Taiwan
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Chen BB, Shih TTF, Hsu CY, Yu CW, Wei SY, Chen CY, Wu CH, Chen CY. Thigh muscle volume predicted by anthropometric measurements and correlated with physical function in the older adults. J Nutr Health Aging 2011; 15:433-8. [PMID: 21623463 DOI: 10.1007/s12603-010-0281-9] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
OBJECTIVES (1) to correlate thigh muscle volume measured by magnetic resonance image (MRI) with anthropometric measurements and physical function in elderly subjects; (2) to predict MRI-measured thigh muscle volume using anthropometric measurements and physical functional status in elderly subjects. DESIGN Cross-sectional, nonrandomized study. SETTING Outpatient clinic in Taiwan. PARTICIPANTS Sixty-nine elderly subjects (33 men and 36 women) aged 65 and older. MEASURMENTS The anthropometric data (including body height, body weight, waist size, and thigh circumference), physical activity and function (including grip strength, bilateral quadriceps muscle power, the up and go test, chair rise, and five meters walk time) and bioelectrical impedance analysis data (including total body fat mass, fat-free mass, and predictive muscle size) were measured. MRI-measured muscle volume of both thighs was used as the reference standard. RESULTS The MRI-measured thigh volume was positively correlated with all anthropometric data, quadriceps muscle power and the up and go test as well as fat-free mass and predictive muscle mass, whereas it was negatively associated with age and walk time. In predicting thigh muscle volume, the variables of age, gender, body weight, and thigh circumference were significant predictors in the linear regression model: Muscle volume (cm3) =4226.3-42.5 × Age (year)-955.7 × gender (male=1, female=2) + 45.9 × body weight(kg) + 60.0 × thigh circumference (cm) (r2 = 0.745, P < 0.001; standard error of the estimate = 581.6 cm3). CONCLUSION The current work provides evidence of a strong relationship between thigh muscle volume and physical function in the elderly. We also developed a prediction equation model using anthropometric measurements. This model is a simple and noninvasive method for everyday clinical practice and follow-up.
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Affiliation(s)
- B B Chen
- Department of Medical Imaging, National Taiwan University Hospital and National Taiwan University, College of medicine, Yun-Lin Branch
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Lieu AS, Cheng TS, Chou CH, Wu CH, Hsu CY, Huang CYF, Chang LK, Loh JK, Chang CS, Hsu CM, Howng SL, Hong YR. Functional characterization of AIBp, a novel Aurora-A binding protein in centrosome structure and spindle formation. Int J Oncol 2010; 37:429-36. [PMID: 20596670 DOI: 10.3892/ijo_00000691] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
Aurora-A is involved in chromosome alignment, centrosome maturation, mitotic spindle assembly and regards to an oncogene. Aurora-A is also known to bind to several other proteins affecting its up-regulation or down-regulation and localization. However, how these different binding signals work together to regulate Aurora-A is not properly known. To explore more Aurora-A interacting proteins, the low-copy yeast two-hybrid screening using Aurora-A as bait protein was performed. One novel gene, AIBp, was demonstrated to associate with Aurora-A by the yeast two-hybrid method and in vitro GST pull-down assay. Molecular characterization showed that AIBp possessed a binding site at the C-terminal with Aurora-A (kinase domain). Interestingly, AIBp also interacts with hNinein at the N-terminal, which overlaps with a previously reported hNinein and GSK3beta binding site. Using a kinase assay, AIBp interacts with the Aurora-A kinase domain functions as a positive regulator, whereas AIBp binding to hNinein appears to block the phosphorylation of hNinein by both Aurora-A and GSK3beta. siRNA-mediated elimination of AIBp from HeLa cells, results in a doughnut-like shape, asymmetrical spindle pole and multiple spindle pole formation. We also demonstrated that both AIBp and Aurora-A are co-overexpressed in various brain tumors. These studies demonstrate that AIBp may not only be required for the dynamic movement of Aurora-A at the centrosomes and spindle apparatus during the cell cycle, but may also be important during brain tumorigenesis.
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Affiliation(s)
- Ann-Shung Lieu
- Graduate Institute of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan, ROC
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