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Kong SH, Bae JM, Kim JH, Kim SW, Han D, Shin CS. Protein Signatures of Parathyroid Adenoma according to Tumor Volume and Functionality. Endocrinol Metab (Seoul) 2024; 39:375-386. [PMID: 38509667 PMCID: PMC11066450 DOI: 10.3803/enm.2023.1827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Revised: 11/22/2023] [Accepted: 12/21/2023] [Indexed: 03/22/2024] Open
Abstract
BACKGRUOUND Parathyroid adenoma (PA) is a common endocrine disease linked to multiple complications, but the pathophysiology of the disease remains incompletely understood. The study aimed to identify the key regulator proteins and pathways of PA according to functionality and volume through quantitative proteomic analyses. METHODS We conducted a retrospective study of 15 formalin-fixed, paraffin-embedded PA samples from tertiary hospitals in South Korea. Proteins were extracted, digested, and the resulting peptides were analyzed using liquid chromatography-tandem mass spectrometry. Pearson correlation analysis was employed to identify proteins significantly correlated with clinical variables. Canonical pathways and transcription factors were analyzed using Ingenuity Pathway Analysis. RESULTS The median age of the participants was 52 years, and 60.0% were female. Among the 8,153 protein groups analyzed, 496 showed significant positive correlations with adenoma volume, while 431 proteins were significantly correlated with parathyroid hormone (PTH) levels. The proteins SLC12A9, LGALS3, and CARM1 were positively correlated with adenoma volume, while HSP90AB2P, HLA-DRA, and SCD5 showed negative correlations. DCPS, IRF2BPL, and FAM98A were the main proteins that exhibited positive correlations with PTH levels, and SLITRK4, LAP3, and AP4E1 had negative correlations. Canonical pathway analysis demonstrated that the RAN and sirtuin signaling pathways were positively correlated with both PTH levels and adenoma volume, while epithelial adherence junction pathways had negative correlations. CONCLUSION Our study identified pivotal proteins and pathways associated with PA, offering potential therapeutic targets. These findings accentuate the importance of proteomics in understanding disease pathophysiology and the need for further research.
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Affiliation(s)
- Sung Hye Kong
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Jeong Mo Bae
- Department of Pathology, Seoul National University Hospital, Seoul, Korea
| | - Jung Hee Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
| | - Sang Wan Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Korea
| | - Dohyun Han
- Transdisciplinary Department of Medicine & Advanced Technology, Seoul National University Hospital, Seoul, Korea
| | - Chan Soo Shin
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
- Department of Internal Medicine, Seoul National University Hospital, Seoul, Korea
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Updates of Genomics and Proteomics of Parathyroid Carcinoma. ENDOCRINES 2022. [DOI: 10.3390/endocrines3040061] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Parathyroid carcinoma is a rare disease that needs an additional diagnostic tool and wide therapeutic options. The genomics and proteomics approach may help to find the tools to improve the prognosis of the disease by early detection and metastatic control. The findings from genomics were mainly CDC73, PRUNE2, CCND1, and genes related to PI3K/AKT/mTOR and Wnt pathways. CDC73, PRUNE2, and CCND1 were closely related to each other, and PRUNE2 and CCND1 genes are related to expression levels of parafibromin protein, which may aid in supporting the definite diagnosis of the disease. PI3K/AKT/mTOR and Wnt pathways could be a potential therapeutic target for the disease, which needs further basket trials to prove the concept. In this review, current findings from genomics and proteomics studies in parathyroid carcinoma were reviewed.
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3
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Podgórska B, Wielogórska-Partyka M, Godzień J, Siemińska J, Ciborowski M, Szelachowska M, Krętowski A, Siewko K. Applications of Metabolomics in Calcium Metabolism Disorders in Humans. Int J Mol Sci 2022; 23:ijms231810407. [PMID: 36142318 PMCID: PMC9499180 DOI: 10.3390/ijms231810407] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 08/26/2022] [Accepted: 09/05/2022] [Indexed: 12/13/2022] Open
Abstract
The pathogenesis of the disorders of calcium metabolism is not fully understood. This review discusses the studies in which metabolomics was applied in this area. Indeed, metabolomics could play an essential role in discovering biomarkers and elucidating pathological mechanisms. Despite the limited bibliography, the present review highlights the potential of metabolomics in identifying the biomarkers of some of the most common endocrine disorders, such as primary hyperparathyroidism (PHPT), secondary hyperparathyroidism (SHPT), calcium deficiency, osteoporosis and vitamin D supplementation. Metabolites related to above-mentioned diseorders were grouped into specific classes and mapped into metabolic pathways. Furthermore, disturbed metabolic pathways can open up new directions for the in-depth exploration of the basic mechanisms of these diseases at the molecular level.
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Affiliation(s)
- Beata Podgórska
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
- Correspondence: ; Tel.: +48-85-831-83-12
| | - Marta Wielogórska-Partyka
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Joanna Godzień
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Julia Siemińska
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Michał Ciborowski
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Małgorzata Szelachowska
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Adam Krętowski
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Katarzyna Siewko
- Department of Endocrinology, Diabetology and Internal Medicine, Medical University of Bialystok, 15-276 Bialystok, Poland
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4
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Differences in Primary Hyperparathyroidism Between Pre- and Postmenopausal Women in India. Endocr Pract 2021; 27:710-715. [PMID: 33685668 DOI: 10.1016/j.eprac.2020.12.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 11/23/2022]
Abstract
OBJECTIVE Primary hyperparathyroidism (PHPT) is a common endocrine disorder in women which becomes more prevalent after menopause. In this study, we compared the demographic, clinical, and biochemical variables between premenopausal (pre-M) and postmenopausal (post-M) women with PHPT. METHODS A retrospective analysis (from 2005 to 2019) of enrolled women PHPT patients from an online Indian PHPT registry. RESULTS Of the women with PHPT, 232 and 122 were pre-M and post-M, respectively. The number of post-M PHPT cases registered had a 3.3-fold increase in 2015-2019 from 2005-2009 compared with only a 2.5-fold increase in pre-M cases in the same duration. The majority were symptomatic (90%), although pre-M had a higher proportion of symptomatic than post-M (92% vs 85%; P = .04). Pre-M women showed more prevalence of osteitis fibrosa cystica than post-M women (28% vs 13%; P = .03), although hypertension and gallstone disease were seen more frequently in post-M PHPT women. Pre-M women had a significantly higher median PTH (403 vs 246 pg/mL; P = .02) and median alkaline phosphatase (202 vs 145 pg/mL; P = .02) than post-M women, and vitamin D deficiency was more common in pre-M women (58% vs 45%; P = .03). Gland localization, tumor weight, and disease cure rates did not differ according to menopausal status. CONCLUSION PHPT was more prevalent in pre-M women, although the number of post-M cases had significantly increased in the last 10 years. Pre-M women had generally more severe clinical and biochemical variables than post-M PHPT women.
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5
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Sun M, Wu X, Yu Y, Wang L, Xie D, Zhang Z, Chen L, Lu A, Zhang G, Li F. Disorders of Calcium and Phosphorus Metabolism and the Proteomics/Metabolomics-Based Research. Front Cell Dev Biol 2020; 8:576110. [PMID: 33015068 PMCID: PMC7511772 DOI: 10.3389/fcell.2020.576110] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Accepted: 08/20/2020] [Indexed: 12/19/2022] Open
Abstract
Since calcium and phosphorus play vital roles in a multitude of physiologic systems, disorders of calcium and phosphorus metabolism always lead to severe consequences such as skeletal-related and cardiovascular morbidity, or even life-threatening. Physiologically, the maintenance of calcium and phosphorus homeostasis is achieved via a variety of concerted actions of hormones such as parathyroid hormone (PTH), vitamin D, and fibroblast growth factor (FGF23), which could be regulated mainly at three organs, the intestine, kidney, and bone. Disruption of any organ or factor might lead to disorders of calcium and phosphorus metabolism. Currently, lacking of accurate diagnostic approaches and unknown molecular basis of pathophysiology will result in patients being unable to receive a precise diagnosis and personalized treatment timely. Therefore, it is urgent to identify early diagnostic biomarkers and develop therapeutic strategies. Fortunately, proteomics and metabolomics offer promising tools to discover novel indicators and further understanding of pathological mechanisms. Therefore, in this review, we will give a systematic introduction on PTH-1,25(OH)2D-FGF23 axis in the disorders of calcium and phosphorus metabolism, diagnostic biomarkers identified, and potential altered metabolic pathways involved.
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Affiliation(s)
- Meiheng Sun
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China.,Jiangsu Key Laboratory of Xenotransplantation, School of Basic Medical Science, Nanjing Medical University, Nanjing, China
| | - Xiaoqiu Wu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China
| | - Yuanyuan Yu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China
| | - Luyao Wang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China
| | - Duoli Xie
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong
| | - Zhenlin Zhang
- Shanghai Clinical Research Center of Bone Disease, Department of Osteoporosis and Bone Disease, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Lin Chen
- Department of Wound Repair and Rehabilitation Medicine, State Key Laboratory of Trauma, Burns and Combined Injury, Trauma Center, Research Institute of Surgery, Daping Hospital, Army Medical University, Chongqing, China
| | - Aiping Lu
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China.,Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China.,Institute of Arthritis Research, Shanghai Academy of Chinese Medical Sciences, Shanghai, China
| | - Ge Zhang
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China
| | - Fangfei Li
- Law Sau Fai Institute for Advancing Translational Medicine in Bone and Joint Diseases, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Integrated Bioinfomedicine and Translational Science, School of Chinese Medicine, Hong Kong Baptist University, Kowloon Tsai, Hong Kong.,Institute of Precision Medicine and Innovative Drug Discovery, HKBU Institute for Research and Continuing Education, Shenzhen, China
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Arya AK, Bhadada SK, Mukherjee S, Singh P, Rana SS, Dahiya D, Sood A, Saikia UN, Prakash M, Bhasin DK, Behera A, Walia R, Bhansali A. Frequency & predictors of pancreatitis in symptomatic primary hyperparathyroidism. Indian J Med Res 2019; 148:721-727. [PMID: 30778006 PMCID: PMC6396558 DOI: 10.4103/ijmr.ijmr_353_16] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background & objectives: The frequency and predictors of pancreatitis in primary hyperparathyroidism (PHPT) are not well understood. The objective of the present study was to evaluate the frequency of pancreatitis in patients with PHPT and its association with clinical and biochemical parameters of the disease. Methods: In this retrospective study all consecutive patients with PHPT registered in the PHPT registry (www.indianphptregistry.com) from the year 2004 to 2013 were included. The clinical, biochemical and radiological parameters related to pancreatitis were evaluated in histologically proven PHPT patients. Results: A total of 218 patients (63 men; mean age: 40.6±14.4 yr) underwent surgery for PHPT during the study. Pancreatitis occurred in 35 [16%, 18 acute and 17 chronic pancreatitis (CP)] patients and male:female ratio was 1:0.94. Skeletal manifestations were seen less frequently in PHPT with pancreatitis as compared to that of PHPT without pancreatitis. PHPT with pancreatitis had significantly higher serum calcium (12.4±2.0 vs. 11.7±1.5 mg/dl, P<0.05) in comparison to PHPT without pancreatitis. PHPT with acute pancreatitis (AP) had higher serum calcium (P<0.05) and parathyroid hormone (PTH) (P<0.05) levels than PHPT with CP. Curative parathyroidectomy improved the symptoms associated with pancreatitis as there was no recurrence in AP group, whereas recurrence was observed only in about 10 per cent patients of the CP group. Interpretation & conclusions: Pancreatitis was observed in 16 per cent of PHPT patients with male predominance in the study population. No recurrence of AP was observed after curative surgery. It may be proposed that serum amylase with calcium and PTH should be measured in all patients of PHPT with pain abdomen to rule out pancreatitis.
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Affiliation(s)
- Ashutosh Kumar Arya
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Sanjay Kumar Bhadada
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Soham Mukherjee
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Priyanka Singh
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Surinder S Rana
- Department of Gastroenterology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Divya Dahiya
- Department of General Surgery, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Ashwani Sood
- Department of Nuclear Medicine, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Uma Nahar Saikia
- Department of Histopathology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Mahesh Prakash
- Department of Radio Diagnosis & Imaging, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Deepak Kumar Bhasin
- Department of Gastroenterology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Arunanshu Behera
- Department of General Surgery, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Rama Walia
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
| | - Anil Bhansali
- Department of Endocrinology, Postgraduate Institute of Medical Education & Research, Chandigarh, India
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7
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Arya AK, Bhadada SK, Singh P, Dahiya D, Kaur G, Sharma S, Saikia UN, Behera A, Rao SD, Bhasin M. Quantitative proteomics analysis of sporadic parathyroid adenoma tissue samples. J Endocrinol Invest 2019; 42:577-590. [PMID: 30284223 DOI: 10.1007/s40618-018-0958-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 09/19/2018] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Molecular pathogenesis of parathyroid tumors is incompletely understood. Identification of novel molecules and understanding their role in parathyroid tumorigenesis by proteomics approach would be informative with potential clinical implications. METHOD Adenomatous (n = 5) and normal (n = 2) parathyroid tissue lysates were analyzed for protein profile by LC-MS/MS method and the proteins were classified using bioinformatics tools such as PANTHER and toppfun functional enrichment tool. Identified proteins were further validated by western blotting and qRT-PCR (n = 20). RESULT Comparative proteomics analysis revealed that a total of 206 proteins (74 upregulated and 132 downregulated) were differentially expressed (≥ twofold change) in adenomas. Bioinformatics analysis revealed that 48 proteins were associated with plasma membrane, 49 with macromolecular complex, 39 were cytoplasm, 38 were organelle related, 21 were cell junction and 10 were extracellular proteins. These proteins belonged to a diverse protein family such as enzymes, transcription factors, cell signalling, cell adhesion, cytoskeleton proteins, receptors, and calcium-binding proteins. The major biological processes predicted for the proteins were a cellular, metabolic and developmental process, cellular localization, and biological regulation. The differentially expressed proteins were found to be associated with MAPK, phospholipase C (PLC) and phosphatidylinositol (PI) signalling pathways, and with chromatin organization. Western blot and qRT-PCR analysis of three proteins (DNAJC2, ACO2, and PRDX2) validated the LC-MS/MS findings. CONCLUSION This exploratory study demonstrates the feasibility of proteomics approach in finding the dysregulated proteins in benign parathyroid adenomas, and our preliminary results suggest that MAPK, PLC and PI signalling pathways and chromatin organization are involved in parathyroid tumorigenesis.
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Affiliation(s)
- A K Arya
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research (PGIMER), Room No. 2, 4th Floor Block-F, Nehru Hospital, PGIMER, Chandigarh, 160012, India
| | - S K Bhadada
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research (PGIMER), Room No. 2, 4th Floor Block-F, Nehru Hospital, PGIMER, Chandigarh, 160012, India.
| | - P Singh
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research (PGIMER), Room No. 2, 4th Floor Block-F, Nehru Hospital, PGIMER, Chandigarh, 160012, India
| | - D Dahiya
- Department of General Surgery, PGIMER, Chandigarh, India
| | - G Kaur
- Department of Endocrinology, Postgraduate Institute of Medical Education and Research (PGIMER), Room No. 2, 4th Floor Block-F, Nehru Hospital, PGIMER, Chandigarh, 160012, India
| | - S Sharma
- Department of Biochemistry, PGIMER, Chandigarh, India
| | - U N Saikia
- Department of Histopathology, PGIMER, Chandigarh, India
| | - A Behera
- Department of General Surgery, PGIMER, Chandigarh, India
| | - S D Rao
- Bone and Mineral Research Laboratory, Henry Ford Hospital, Detroit, USA
| | - M Bhasin
- Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
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8
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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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9
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Akpinar G, Kasap M, Canturk NZ, Zulfigarova M, Islek EE, Guler SA, Simsek T, Canturk Z. Proteomics Analysis of Tissue Samples Reveals Changes in Mitochondrial Protein Levels in Parathyroid Hyperplasia over Adenoma. Cancer Genomics Proteomics 2018; 14:197-211. [PMID: 28446534 DOI: 10.21873/cgp.20031] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2017] [Revised: 04/13/2017] [Accepted: 04/19/2017] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND/AIM To unveil the pathophysiology of primary hyperparathyroidism, molecular details of parathyroid hyperplasia and adenoma have to be revealed. Such details will provide the tools necessary for differentiation of these two look-alike diseases. Therefore, in the present study, a comparative proteomic study using postoperative tissue samples from the parathyroid adenoma and parathyroid hyperplasia patients was performed. MATERIALS AND METHODS Protein extracts were prepared from tissue samples (n=8 per group). Protein pools were created for each group and subjected to DIGE and conventional 2DE. Following image analysis, spots representing the differentially regulated proteins were excised from the and used for identification via MALDI-TOF/TOF analysis. RESULTS The identities of 40 differentially-expressed proteins were revealed. Fourteen of these proteins were over-expressed in the hyperplasia while 26 of them were over-expressed in the adenoma. CONCLUSION Most proteins found to be over-expressed in the hyperplasia samples were mitochondrial, underlying the importance of the mitochondrial activity as a potential biomarker for differentiation of parathyroid hyperplasia from adenoma.
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Affiliation(s)
- Gurler Akpinar
- Department of Medical Biology and Genetics, School of Medicine, Kocaeli University, Kocaeli, Turkey .,DEKART Proteomics Laboratory, Kocaeli University, Kocaeli, Turkey
| | - Murat Kasap
- Department of Medical Biology and Genetics, School of Medicine, Kocaeli University, Kocaeli, Turkey.,DEKART Proteomics Laboratory, Kocaeli University, Kocaeli, Turkey
| | - Nuh Zafer Canturk
- Department of General Surgery, School of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Mehin Zulfigarova
- Department of Medical Biology and Genetics, School of Medicine, Kocaeli University, Kocaeli, Turkey.,DEKART Proteomics Laboratory, Kocaeli University, Kocaeli, Turkey
| | - Eylül Ece Islek
- Department of Medical Biology and Genetics, School of Medicine, Kocaeli University, Kocaeli, Turkey.,DEKART Proteomics Laboratory, Kocaeli University, Kocaeli, Turkey
| | - Sertac Ata Guler
- Department of General Surgery, School of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Turgay Simsek
- Department of General Surgery, School of Medicine, Kocaeli University, Kocaeli, Turkey
| | - Zeynep Canturk
- Department of Internal Medicine, School of Medicine, Kocaeli University, Kocaeli, Turkey
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10
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Abstract
PTH and Vitamin D are two major regulators of mineral metabolism. They play critical roles in the maintenance of calcium and phosphate homeostasis as well as the development and maintenance of bone health. PTH and Vitamin D form a tightly controlled feedback cycle, PTH being a major stimulator of vitamin D synthesis in the kidney while vitamin D exerts negative feedback on PTH secretion. The major function of PTH and major physiologic regulator is circulating ionized calcium. The effects of PTH on gut, kidney, and bone serve to maintain serum calcium within a tight range. PTH has a reciprocal effect on phosphate metabolism. In contrast, vitamin D has a stimulatory effect on both calcium and phosphate homeostasis, playing a key role in providing adequate mineral for normal bone formation. Both hormones act in concert with the more recently discovered FGF23 and klotho, hormones involved predominantly in phosphate metabolism, which also participate in this closely knit feedback circuit. Of great interest are recent studies demonstrating effects of both PTH and vitamin D on the cardiovascular system. Hyperparathyroidism and vitamin D deficiency have been implicated in a variety of cardiovascular disorders including hypertension, atherosclerosis, vascular calcification, and kidney failure. Both hormones have direct effects on the endothelium, heart, and other vascular structures. How these effects of PTH and vitamin D interface with the regulation of bone formation are the subject of intense investigation.
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Affiliation(s)
- Syed Jalal Khundmiri
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
- Department of Physiology and Biophysics, University of Louisville, Louisville, Kentucky, USA
| | - Rebecca D. Murray
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
- Department of Physiology and Biophysics, University of Louisville, Louisville, Kentucky, USA
| | - Eleanor Lederer
- Department of Medicine, University of Louisville, Louisville, Kentucky, USA
- Department of Physiology and Biophysics, University of Louisville, Louisville, Kentucky, USA
- Robley Rex VA Medical Center, University of Louisville, Louisville, Kentucky, USA
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11
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Bhadada SK, Arya AK, Parthan G, Singh P. The resolution of anemia after curative parathyroidectomy is sustained even after a decade. Indian J Endocrinol Metab 2015; 19:691-692. [PMID: 26425486 PMCID: PMC4566357 DOI: 10.4103/2230-8210.163215] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Affiliation(s)
- Sanjay Kumar Bhadada
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Ashutosh Kumar Arya
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Girish Parthan
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
| | - Priyanka Singh
- Department of Endocrinology, Post Graduate Institute of Medical Education and Research, Chandigarh, India
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