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Kubat Öktem E, Yazar M, Aysan E, Karabıyık Acar Ö. Computational drug repurposing for primary hyperparathyroidism. Mol Cell Endocrinol 2024; 583:112159. [PMID: 38228226 DOI: 10.1016/j.mce.2024.112159] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 11/17/2023] [Accepted: 01/12/2024] [Indexed: 01/18/2024]
Abstract
In hyperparathyroidism (hyperPTH), excessive amounts of PTH are secreted, interfering with calcium regulation in the body. Several drugs can control the disease's side effects, but none of them is an alternative treatment to surgery. Therefore, new drug candidates are necessary. In this study, three computationally repositioned drugs, DG 041, IMD 0354, and cucurbitacin I, are evaluated in an in vitro model of hyperPTH. First, we integrated publicly available transcriptomics datasets to propose drug candidates. Using 3D spheroids derived from a single primary hyperPTH patient, we assessed their in vitro efficacy. None of the proposed drugs affected the viability of healthy cell control (HEK293) or overactive parathyroid cells at the level of toxicity. This behavior was attributed to the non-cancerous nature of the parathyroid cells, establishing the hyperPTH disease model. Cucurbitacin I and IMD 0354 exhibited a slight inverse relationship between increased drug concentrations and cell viability, whereas DG 041 increased viability. Based on these results, further studies are needed on the mechanism of action of the repurposed drugs, including determining the effects of these drugs on cellular PTH synthesis and secretion and on the metabolic pathways that regulate PTH secretion.
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Affiliation(s)
- Elif Kubat Öktem
- Department of Molecular Biology and Genetics, Faculty of Engineering and Natural Sciences, Istanbul Medeniyet University, 34700, Istanbul, Turkey
| | - Metin Yazar
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Okan University, 34959, Istanbul, Turkey
| | - Erhan Aysan
- Department of General Surgery, Faculty of Medicine, Yeditepe University, 34718, Istanbul, Turkey
| | - Özge Karabıyık Acar
- Department of Genetics and Bioengineering, Faculty of Engineering and Natural Sciences, Istanbul Okan University, 34959, Istanbul, Turkey.
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Lu S, Gong M, Zha Y, Cui A, Tian W, Jiang X. Symptomatic primary hyperparathyroidism in a young woman presenting with multiple skeletal destructions: a case report and review of literature. BMC Endocr Disord 2021; 21:5. [PMID: 33413306 PMCID: PMC7791781 DOI: 10.1186/s12902-020-00669-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Accepted: 12/18/2020] [Indexed: 11/25/2022] Open
Abstract
BACKGROUND Multiple pathological manifestations are rarely present in patients with primary hyperparathyroidism (PHPT). Here we described a case of a young woman who presented with multiple skeletal destructions and received an unclear diagnosis at several hospitals. CASE PRESENTATION A 30-year-old woman was admitted to our hospital due to pain in both knees and walking difficulty that lasted for 6 and 2 years, respectively. Her laboratory test results revealed a high parathyroid hormone level (822 pg/ml) and hypercalcemia (2.52 mmol/L) in the blood. Parathyroid imaging revealed a lumpy concentration of radioactive uptake detected at the lower pole in the right lobe of the thyroid, and was nearly 2.2 cm * 2.4 cm in size. Next, the patient was treated with parathyroidectomy that resulted in a significant improvement in physiological and clinical symptoms. Moreover, the skeletal destruction and bone mineral density were significantly improved after a 5-years follow-up period. CONCLUSIONS Multiple skeletal destructions can be caused by PHPT that should be taken into consideration in young patients with complex bone lesions.
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Affiliation(s)
- Shuai Lu
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, Beijing, 100035, China
| | - Maoqi Gong
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, Beijing, 100035, China
| | - Yejun Zha
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, Beijing, 100035, China
| | - Aimin Cui
- Department of General Surgery, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, Beijing, China
| | - Wei Tian
- Department of Spine Surgery, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, No.31 Xinjiekou E Rd, Xicheng District, Beijing, 100035, China.
| | - Xieyuan Jiang
- Department of Orthopedic Trauma, Beijing Jishuitan Hospital, Peking University Fourth School of Clinical Medicine, Beijing, 100035, China.
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Chang YC, Lin CH, Lin JC, Cheng SP, Chen SN, Liu CL. Inhibition of 3β-Hydroxysteroid Dehydrogenase Type 1 Suppresses Interleukin-6 in Breast Cancer. J Surg Res 2019; 241:8-14. [PMID: 31004874 DOI: 10.1016/j.jss.2019.03.024] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 01/15/2019] [Accepted: 03/21/2019] [Indexed: 01/16/2023]
Abstract
BACKGROUND Recently, we demonstrated that the expression of 3β-hydroxysteroid dehydrogenase type 1 (HSD3B1) in breast cancer is associated with shorter recurrence-free survival, and genetic or pharmacologic inhibition of HSD3B1 reduced colony formation and xenograft growth. However, the mechanisms are unclear. METHODS Triple-negative MDA-MB-231 and BT-20 breast cancer cells underwent HSD3B1 silencing. Microarray and bioinformatic analysis were performed. The interleukin-6 (IL-6) expression and secretion were evaluated using real-time quantitative polymerase chain reaction and enzyme-linked immunosorbent assay. Clonogenic ability and cell viability were determined in the absence or presence of recombinant IL-6. RESULTS Functional and pathway enrichment analyses showed that HSD3B1 silencing modulates the expression of several growth factors and cytokines. Cells transfected with HSD3B1-targeting small interfering RNA or treated with an HSD3B1 inhibitor (trilostane) had decreased IL-6 expression and secretion. HSD3B1 inhibition reduced colony formation, which was partially rescued by IL-6 supplementation. The HSD3B1 knockdown enhanced paclitaxel sensitivity, and IL-6 treatment partially reversed the augmented cytotoxicity. CONCLUSIONS Our findings suggest that the therapeutic potential of targeting HSD3B1 is in part mediated by IL-6 suppression.
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Affiliation(s)
- Yuan-Ching Chang
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan; Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
| | - Chi-Hsin Lin
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan; Department of Bioscience Technology, Chung Yuan Christian University, Taoyuan City, Taiwan
| | - Jiunn-Chang Lin
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan; Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
| | - Shih-Ping Cheng
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Shan-Na Chen
- Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan
| | - Chien-Liang Liu
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Department of Medical Research, MacKay Memorial Hospital, Taipei, Taiwan; Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan.
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Wang L, Jia Y, Yang G, Mao G, Cheng Y, Cao Y. Primary hyperparathyroidism characterized by diffuse homogeneous metastatic pulmonary calcification: A case report. Medicine (Baltimore) 2018; 97:e13107. [PMID: 30383698 PMCID: PMC6221601 DOI: 10.1097/md.0000000000013107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
RATIONALE Primary hyperparathyroidism (PHPTI) with respiratory tract symptom is extremely rare. It is caused by autonomic oversecretion of parathyroid hormone (PTH) owing to parathyroid adenoma, hyperplasia, or tumor. The diagnosis of PHPTI often needs to be made based on medical history, clinical manifestation, laboratory tests, and imaging examination. Moreover, no study has reported PHPTI with diffuse metastatic pulmonary calcification (MPC) as the characteristic. PATIENT CONCERNS A 49-year-old female from Zhejiang, China, had a fever of unknown origin, cough with white crude sputum, and asthma after activity for 1 month. DIAGNOSIS The computed tomography (CT) examination revealed a homogeneous and diffuse high-density shadow in both lungs. The pathologic examination with CT-guided lung biopsy (left lung puncture) suggested interstitial inflammation of the lung tissue, combined with fibroblast proliferation as well as calcification. B-ultrasonography identified a lump in the right parathyroid gland, with a size of 4.1 × 1.7 × 1.9 cm. Color Doppler sonography indicated rich blood flow inside the lump. Whole-body bone emission computed tomography imaging showed the enhancement of bone metabolism in bilateral lower extremities and a diffuse enhancement of radioactive distribution in both lungs. Tc-methoxyisobutyl isonitrile imaging suggested significantly increased MIBI uptake in the right superior pole of the thyroid gland and indicated adenoma of the right superior parathyroid. The diagnosis of PHPTI was confirmed by postoperative pathology. INTERVENTIONS The patient received a resection of the right parathyroid adenoma. OUTCOMES After surgery, the symptom such as fever, coughing, and white crude sputum were significantly alleviated. LESSONS This novel case reported the case of a patient with PHPTI having respiratory tract infection as the 1st symptom and diffuse MPC as the symptom characteristic PHPTI, the findings of this case study might improve the recognition of PHPTI on diffuse pulmonary calcification for clinical doctors.
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Affiliation(s)
- Lihua Wang
- The Second Affiliated Hospital of the Medical College of Zhejiang University, Hangzhou, Zhejiang, China
| | - Yuzhu Jia
- Department of Radiology, Tongde Hospital of Zhejiang Province
| | - Guangzhao Yang
- Department of Radiology, Tongde Hospital of Zhejiang Province
| | - Guoqun Mao
- Department of Radiology, Tongde Hospital of Zhejiang Province
| | - Yougen Cheng
- Department of Radiology, Tongde Hospital of Zhejiang Province
| | - Yulin Cao
- Department of Radiology, Tongde Hospital of Zhejiang Province
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Chien MN, Yang PS, Hsu YC, Liu TP, Lee JJ, Cheng SP. Transcriptome analysis of papillary thyroid cancer harboring telomerase reverse transcriptase promoter mutation. Head Neck 2018; 40:2528-2537. [PMID: 30102829 DOI: 10.1002/hed.25385] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 01/13/2018] [Accepted: 05/31/2018] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Telomerase reverse transcriptase (TERT) promoter mutations have recently been identified as an important prognostic factor in thyroid cancer. Studies suggest that TERT may have noncanonical functions beyond telomere maintenance. METHODS Clinicopathological information and transcriptome data for papillary thyroid carcinoma (PTC) samples were obtained from The Cancer Genome Atlas (TCGA). Propensity score matching was performed to adjust for potential confounding variables between the TERT promoter wild-type group and the mutant group. Gene expression data of 36 patients in the mutant group were systemically compared to those of 72 patients in the wild-type group. RESULTS Tumors with TERT promoter mutations had a higher TERT expression. Pathways central to DNA damage responses and cell cycle regulation were significantly enriched among 888 upregulated genes. Transporter and metabolic activities were overrepresented among 799 downregulated genes. There was no difference in the expression of most of the thyroid differentiation genes. CONCLUSION The TERT promoter mutations were associated with proliferative and metabolic alterations in PTC.
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Affiliation(s)
- Ming-Nan Chien
- Division of Endocrinology and Metabolism, Department of Internal Medicine, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Po-Sheng Yang
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Yi-Chiung Hsu
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan, Taiwan
| | - Tsang-Pai Liu
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Mackay Junior College of Medicine, Nursing, and Management, Taipei, Taiwan
| | - Jie-Jen Lee
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Shih-Ping Cheng
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan.,Department of Pharmacology, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan
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Koh J, Hogue JA, Roman SA, Scheri RP, Fradin H, Corcoran DL, Sosa JA. Transcriptional profiling reveals distinct classes of parathyroid tumors in PHPT. Endocr Relat Cancer 2018; 25:407-420. [PMID: 29475894 PMCID: PMC5826637 DOI: 10.1530/erc-17-0470] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 02/01/2018] [Indexed: 12/20/2022]
Abstract
The clinical presentation of primary hyperparathyroidism (PHPT) varies widely, although the underlying mechanistic reasons for this disparity remain unknown. We recently reported that parathyroid tumors can be functionally segregated into two distinct groups on the basis of their relative responsiveness to ambient calcium, and that patients in these groups differ significantly in their likelihood of manifesting bone disability. To examine the molecular basis for this phenotypic variation in PHPT, we compared the global gene expression profiles of calcium-sensitive and calcium-resistant parathyroid tumors. RNAseq and proteomic analysis identified a candidate set of differentially expressed genes highly correlated with calcium-sensing capacity. Subsequent quantitative assessment of the expression levels of these genes in an independent cohort of parathyroid tumors confirmed that calcium-sensitive tumors cluster in a discrete transcriptional profile group. These data indicate that PHPT is not an etiologically monolithic disorder and suggest that divergent molecular mechanisms could drive the observed phenotypic differences in PHPT disease course, provenance, and outcome.
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Affiliation(s)
- James Koh
- Dept. of Surgery, Duke University Medical Center, Durham, NC
- Duke Clinical Research Institute, Duke University Medical Center
- To whom reprint requests should be addressed: James Koh, Ph.D., Department of Surgery, Duke University Medical Center, Durham, NC 27710, Phone: 919-684-0892, FAX: 919-681-6622,
| | - Joyce A. Hogue
- Dept. of Surgery, Duke University Medical Center, Durham, NC
| | | | | | | | | | - Julie A. Sosa
- Dept. of Surgery, Duke University Medical Center, Durham, NC
- Dept. of Medicine, Duke University
- Duke Cancer Institute, Duke University Medical Center
- Duke Clinical Research Institute, Duke University Medical Center
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Li S, Mao J, Wang M, Zhang M, Ni L, Tao Y, Huang B, Chen J. Comparative proteomic analysis of chief and oxyphil cell nodules in refractory uremic hyperparathyroidism by iTRAQ coupled LC-MS/MS. J Proteomics 2018. [PMID: 29526777 DOI: 10.1016/j.jprot.2018.02.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
SHPT is one of the most common complications of CKD-MBD. Recent studies indicate that oxyphil cell proliferation is related to SHPT progression, while not inhibited by current treatments. The aim of this study was to analyze the correlation between oxyphil cell and clinical indicators in SHPT, further explore the protein expression differences of oxyphil cell. Among 33 MHD patients, 84.8% patients have one or more oxyphil dominant glands and the overall oxyphil cells proportion was 39.5 ± 16.3%. Univariate correlation and multivariable linear regression model showed that oral calcitriol dosage and treatment duration were independently correlated to oxyphil cell ratio. Proteomic study showed that mitochondrial protein, protein synthesis, and cell cycle regulation were significantly altered in oxyphil cell nodules. DBP was downregulated in oxyphil nodules on protein level, which may contribute to calcitriol resistance by reducing vitamin D transport. Through KEGG and PPI network analysis, Wnt signaling, TGF-β, ubiquitin mediated proteolysis and cell cycle pathways were significantly enriched in oxyphil cell nodules. Among which, MIF-CUL1 axis was significantly increased. These results suggest that the limitations of vitamin D in SHPT treatment is closely related to oxyphil cell and may be attributed to the dysregulation of vitamin D transport and ubiquitin regulation of oxyphil cell. SIGNIFICANCE Secondary hyperparathyroidism in end stage renal patients is one of the major challenges nephrology field faces. Emerging data indicate that oxyphil cell may participate in the pathophysiology of secondary hyperparathyroidism, while both calcimimetics and vitamin D receptor activators treatments are underperformed in controlling oxyphil cell proliferation. In the present study, we validated that the proliferation of oxyphil cells is associated with calcitriol treatment, and discovered that oxyphil cell nodules were significantly different from chief cells nodules in protein expression of mitochondria, protein synthesis and cell cycle regulation. It is noteworthy that DBP was downregulated in oxyphil nodules on protein level and may therefore participate in the resistance of calcitriol therapy by reducing the vitamin D transport capacity. Wnt signaling, TGF-β, ubiquitin mediated proteolysis and cell cycle pathways were significantly enriched in oxyphil cell nodules, among which, MIF-CUL1 axis may play an important role in the regulation of oxyphil proliferation and calcitriol resistance through ubiquitin mediated proteolysis. These results suggest that calcitriol treatment has limitations in oxyphil cell predominant SHPT, which may be attributed to the dysregulation of vitamin D transport and ubiquitin regulation of oxyphil cell, and the influence of microenvironment in uremia status may be the underlying reason.
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Affiliation(s)
- Shensen Li
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jianping Mao
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Mengjing Wang
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Minmin Zhang
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Li Ni
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Ye Tao
- Division of Nursing, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Bihong Huang
- Division of Nursing, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Jing Chen
- Division of Nephrology, Huashan Hospital, Fudan University, Shanghai 200040, China.
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Chien MN, Yang PS, Lee JJ, Wang TY, Hsu YC, Cheng SP. Recurrence-associated genes in papillary thyroid cancer: An analysis of data from The Cancer Genome Atlas. Surgery 2017; 161:1642-1650. [PMID: 28237646 DOI: 10.1016/j.surg.2016.12.039] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Revised: 12/18/2016] [Accepted: 12/29/2016] [Indexed: 10/20/2022]
Abstract
BACKGROUND Recurrence of papillary thyroid cancer is not uncommon, but incorporating clinicopathologic parameters to predict recurrence is suboptimal. The aim of this study was to identify systemically recurrence-associated genes using The Cancer Genome Atlas RNA sequencing database. METHODS A total of 504 patients with transcriptome sequencing data of the primary neoplasm were included in this study. High and low levels of expression of each gene were defined by median splits. Differences in recurrence-free survival were compared using Kaplan-Meier curves and log-rank tests. Recurrence-associated genes were subjected to functional enrichment analyses with Kyoto Encyclopedia of Genes and Genomes annotation databases and Ingenuity Pathway Analysis. RESULTS We found that 1,807 genes were associated with recurrence-free survival. There were 676 genes of which high expression was associated with a greater risk of recurrence. These genes were enriched in pathways involved in cell cycle regulation and DNA repair. Among 1,131 genes of which low expression was associated with recurrence, Kyoto Encyclopedia of Genes and Genomes-annotated functions were metabolism, calcium signaling, glycan biosynthesis, and the Notch signaling pathway. Canonical pathways identified by Ingenuity Pathway Analysis included RXR function, nitric oxide signaling, interleukin-8 signaling, and nutrient sensing. In addition, low expression of the majority of thyroid differentiation genes was associated with a significantly less recurrence-free survival. CONCLUSION Upregulation of cell cycle-regulating and DNA repair genes appears to have a negative impact on recurrence-free survival in patients with papillary thyroid cancer. Furthermore, recurrence is associated with thyroid dedifferentiation.
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Affiliation(s)
- Ming-Nan Chien
- Division of Endocrinology and Metabolism, Department of Internal Medicine, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Po-Sheng Yang
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Graduate Institute of Medical Sciences and Department of Pharmacology, Taipei Medical University, Taipei, Taiwan
| | - Jie-Jen Lee
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Graduate Institute of Medical Sciences and Department of Pharmacology, Taipei Medical University, Taipei, Taiwan
| | - Tao-Yeuan Wang
- Department of Pathology, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan
| | - Yi-Chiung Hsu
- Department of Biomedical Sciences and Engineering, National Central University, Taoyuan City, Taiwan; Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Shih-Ping Cheng
- Department of Surgery, MacKay Memorial Hospital and Mackay Medical College, Taipei, Taiwan; Graduate Institute of Medical Sciences and Department of Pharmacology, Taipei Medical University, Taipei, Taiwan.
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Overexpression of teneurin transmembrane protein 1 is a potential marker of disease progression in papillary thyroid carcinoma. Clin Exp Med 2016; 17:555-564. [PMID: 28004221 DOI: 10.1007/s10238-016-0445-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2016] [Accepted: 12/15/2016] [Indexed: 02/07/2023]
Abstract
Although papillary thyroid cancer is a relatively indolent malignancy, its progression may be associated with dedifferentiation and resistance to radioactive iodine treatment. In this study, patterns of differentially expressed genes in association with disease progression were systemically evaluated. We firstly performed transcriptome analyses for four matched cancerous and noncancerous tissue pairs of the classical subtype of papillary thyroid cancer. Among the upregulated and downregulated genes, the expression of 164 and 183 genes increased and decreased, respectively, from stage I to stage IV. Functional enrichment and pathway analysis showed that angiogenesis pathway was upregulated, whereas oxidation-reduction and metabolism of reactive oxygen species were downregulated. Teneurin transmembrane protein 1 (TENM1) expression was highly upregulated in cancerous tissues and negative in benign thyroid tissues. By immunohistochemistry, TENM1 expression in papillary thyroid cancer was associated with the classical subtype (p = 0.018), extrathyroidal invasion (p = 0.001), BRAF V600E mutation (p < 0.001), and an advanced stage (p = 0.019). Taken together, our results indicate that distinct pathways are involved in papillary thyroid cancer progression, and TENM1 is a potential marker of cancer progression.
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