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Chromogranin A: An Endocrine Factor of Pregnancy. Int J Mol Sci 2023; 24:ijms24054986. [PMID: 36902417 PMCID: PMC10002927 DOI: 10.3390/ijms24054986] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/26/2023] [Accepted: 03/03/2023] [Indexed: 03/08/2023] Open
Abstract
Pregnancy is a state of physiological and hormonal changes. One of the endocrine factors involved in these processes is chromogranin A, an acidic protein produced, among others, by the placenta. Although it has been previously linked to pregnancy, no existing articles have ever managed to clarify the role of this protein regarding this subject. Therefore, the aim of the present study is to gather knowledge of chromogranin A's function with reference to gestation and parturition, clarify elusive information, and, most importantly, to formulate hypotheses for the future studies to verify.
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Li T, Yan Z, He S, Zhou C, Wang H, Yin X, Zou S, Duan P. Intermittent parathyroid hormone improves orthodontic retention via insulin-like growth factor-1. Oral Dis 2020; 27:290-300. [PMID: 32608117 DOI: 10.1111/odi.13519] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2020] [Revised: 05/06/2020] [Accepted: 06/18/2020] [Indexed: 12/29/2022]
Abstract
OBJECTIVES This study aimed to investigate the effects of intermittent parathyroid hormone (iPTH) on the stability of orthodontic retention and to explore the possible regulatory role of insulin-like growth factor-1 (IGF-1) in this process. METHODS Forty-eight 6-week-old male Wistar rats were adopted in this study. An orthodontic relapsing model was established to investigate the effects of iPTH on orthodontic retention. In vitro, an immortalized mouse cementoblast cell line OCCM-30 was detected by flow cytometry to study the effects of iPTH on cell proliferation and apoptosis. By application of a specific IGF-1 receptor inhibitor, the role of IGF-1 was also explored. RESULTS In vivo study found that daily injection of PTH significantly reduced the relapsing distance. Histological staining and ELISA assay showed faster periodontal regeneration during retention period in PTH group with increased RANKL/OPG ratio and greater amount of OCN, ALP, and IGF-1 in gingival cervical fluid (GCF). Cell experiment revealed that iPTH promoted proliferation and suppressed apoptosis of cementoblast. IGF-1 receptor inhibitor significantly restrained the anabolic effect of iPTH on OCCM-30 cells. CONCLUSIONS These findings suggest that iPTH could improve the stability of tooth movement by promoting periodontal regeneration. IGF-1 is essential in mediating the anabolic effects of iPTH.
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Affiliation(s)
- Tiancheng Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ziqi Yan
- Department of Stomatology, Xiangya Hospital, Central South University, Changsha, China
| | - Shushu He
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chenchen Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Pediatric Dentistry, School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Han Wang
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xing Yin
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shujuan Zou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Peipei Duan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases &, Department of Orthodontics, West China School & Hospital of Stomatology, Sichuan University, Chengdu, China
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Chen P, Wang Q, Xie J, Kwok HF. Signaling networks and the feasibility of computational analysis in gastroenteropancreatic neuroendocrine tumors. Semin Cancer Biol 2019; 58:80-89. [DOI: 10.1016/j.semcancer.2019.04.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 04/25/2019] [Accepted: 04/29/2019] [Indexed: 12/22/2022]
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Hareza A, Bakun M, Świderska B, Dudkiewicz M, Koscielny A, Bajur A, Jaworski J, Dadlez M, Pawłowski K. Phosphoproteomic insights into processes influenced by the kinase-like protein DIA1/C3orf58. PeerJ 2018; 6:e4599. [PMID: 29666759 PMCID: PMC5896498 DOI: 10.7717/peerj.4599] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 03/21/2018] [Indexed: 12/27/2022] Open
Abstract
Many kinases are still ‘orphans,’ which means knowledge about their substrates, and often also about the processes they regulate, is lacking. Here, DIA1/C3orf58, a member of a novel predicted kinase-like family, is shown to be present in the endoplasmic reticulum and to influence trafficking via the secretory pathway. Subsequently, DIA1 is subjected to phosphoproteomics analysis to cast light on its signalling pathways. A liquid chromatography–tandem mass spectrometry proteomic approach with phosphopeptide enrichment is applied to membrane fractions of DIA1-overexpressing and control HEK293T cells, and phosphosites dependent on the presence of DIA1 are elucidated. Most of these phosphosites belonged to CK2- and proline-directed kinase types. In parallel, the proteomics of proteins immunoprecipitated with DIA1 reported its probable interactors. This pilot study provides the basis for deeper studies of DIA1 signalling.
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Affiliation(s)
- Agnieszka Hareza
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland.,International Institute of Molecular and Cellular Biology, Warszawa, Poland
| | - Magda Bakun
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warszawa, Poland
| | - Bianka Świderska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warszawa, Poland
| | - Małgorzata Dudkiewicz
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland
| | - Alicja Koscielny
- International Institute of Molecular and Cellular Biology, Warszawa, Poland
| | - Anna Bajur
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland.,International Institute of Molecular and Cellular Biology, Warszawa, Poland.,Current affiliation: Max Planck Institute of Molecular Cell Biology and Genetics, Dresden, Germany
| | - Jacek Jaworski
- International Institute of Molecular and Cellular Biology, Warszawa, Poland
| | - Michał Dadlez
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Warszawa, Poland
| | - Krzysztof Pawłowski
- Department of Experimental Design and Bioinformatics, Faculty of Agriculture and Biology, Warsaw University of Life Sciences, Warszawa, Poland.,Department of Translational Medicine, Clinical Sciences, Lund University, Lund, Sweden
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Becher A, Eiseler T, Porzner M, Walther P, Keil R, Bobrovich S, Hatzfeld M, Seufferlein T. The armadillo protein p0071 controls KIF3 motor transport. J Cell Sci 2017; 130:3374-3387. [PMID: 28808088 DOI: 10.1242/jcs.200170] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 08/02/2017] [Indexed: 01/17/2023] Open
Abstract
We here report a novel function of the armadillo protein p0071 (also known as PKP4) during transport mediated by the KIF3 transport complex. Secretion of chromogranin A and matrix metallopeptidase 9 from pancreatic neuroendocrine tumor cells or pancreatic cancer cells, respectively, was substantially reduced following knockdown of p0071. Vesicle tracking indicated that there was impaired directional persistence of vesicle movement upon p0071 depletion. This suggests a disturbed balance between plus- and minus-end directed microtubule transport in cells lacking p0071. p0071 directly interacts with the KIF3 motor subunit KIF3B. Our data indicate that p0071 also interacts with the kinesin cargo adaptor protein KAP3 (also known as KIFAP3) acting as a stabilizing linker between KIF3B and its KAP3 cargo-binding entity. Thus, p0071 is required for directional vesicle movement and secretion of different KIF3-transported carriers, thereby regulating the transport of intracellular membrane vesicles along microtubules.
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Affiliation(s)
- Alexander Becher
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Tim Eiseler
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Marc Porzner
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Paul Walther
- Central Facility for Electron Microscopy, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - René Keil
- Institute of Molecular Medicine, Division of Pathobiochemistry, Martin-Luther-University of Halle-Wittenberg, D-06114 Halle, Germany
| | - Susanne Bobrovich
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany
| | - Mechthild Hatzfeld
- Institute of Molecular Medicine, Division of Pathobiochemistry, Martin-Luther-University of Halle-Wittenberg, D-06114 Halle, Germany
| | - Thomas Seufferlein
- Department of Internal Medicine I, Ulm University, Albert-Einstein-Allee 23, 89081 Ulm, Germany
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Association between epidermal growth factor receptor amplification and ADP-ribosylation factor 1 methylation in human glioblastoma. Cell Oncol (Dordr) 2017. [PMID: 28631186 DOI: 10.1007/s13402-017-0329-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
PURPOSE Glioblastoma (GB) is the most frequent and most malignant primary brain tumor in adults. Previously, it has been found that both genetic and epigenetic factors may play critical roles in its etiology and prognosis. In addition, it has been found that the epidermal growth factor receptor gene (EGFR) is frequently over-expressed and amplified in primary GBs. Here, we assessed the promoter methylation status of 10 genes relevant to GB and explored associations between these findings and the EGFR gene amplification status. METHODS Tumor samples were obtained from 36 patients with primary GBs. In addition, 6 control specimens were included from patients who were operated for diseases other than brain tumors. The amplification status of the EGFR gene, and its deletion mutant EGFRvIII, were evaluated using FISH and MLPA, respectively. The IDH1/2 gene mutation status was verified using Sanger sequencing. A commercial DNA methylation kit was used to assess the promoter methylation status of 10 pre-selected genes. Metabolic profiles were measured using HR-MAS NMR spectroscopy. The EGFR and ARF1 mRNA expression levels were quantified using qRT-PCR. RESULTS Of the 10 genes analyzed, we found that only ARF1 promoter hypermethylation was significantly associated with EGFR gene amplification. ARF1 is a GTPase that is involved in vesicle trafficking and the Golgi apparatus. Subsequent tumor metabolism measurements revealed a positive association between EGFR amplification and different membrane precursors and methyl-donor metabolites. Finally, we found that EGFR gene amplifications were associated with distinct tumor infiltration patterns, thus representing a putative novel functional association between EGFR gene amplification and ARF1 gene promoter methylation in GB. CONCLUSIONS The results reported here provide a basis for a new hypotheses connecting EGFR gene amplification in GB cells with ARF1 gene promoter methylation, vesicle trafficking, membrane turnover and tumor metabolism. The mechanism(s) underlying these connections and their functional consequences remain to be established.
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Xu X, Wang Q, He Y, Ding L, Zhong F, Ou Y, Shen Y, Liu H, He S. ADP-ribosylation factor 1 (ARF1) takes part in cell proliferation and cell adhesion-mediated drug resistance (CAM-DR). Ann Hematol 2017; 96:847-858. [DOI: 10.1007/s00277-017-2949-2] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Accepted: 02/10/2017] [Indexed: 12/21/2022]
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