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Saller J, White D, Hough B, Yoder S, Whiting J, Chen DT, Magliocco A, Coppola D. An miRNA Signature Predicts Grading of Pancreatic Neuroendocrine Neoplasms. Cancer Genomics Proteomics 2023; 20:154-164. [PMID: 36870693 PMCID: PMC9989673 DOI: 10.21873/cgp.20370] [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: 10/24/2022] [Revised: 01/11/2023] [Accepted: 01/13/2023] [Indexed: 03/06/2023] Open
Abstract
BACKGROUND/AIM Grading pancreatic neuroendocrine neoplasms (PNENs) via mitotic rate and Ki-67 index score is complicated by interobserver variability. Differentially expressed miRNAs (DEMs) are useful for predicting tumour progression and may be useful for grading. PATIENTS AND METHODS Twelve PNENs were selected. Four patients had grade (G) 1 pancreatic neuroendocrine tumours (PNETs); 4 had G2 PNETs; and 4 had G3 PNENs (2 PNETs and 2 pancreatic neuroendocrine carcinomas). Samples were profiled using the miRNA NanoString Assay. RESULTS There were 6 statistically significant DEMs between different grades of PNENs. MiR1285-5p was the sole miRNA differentially expressed (p=0.03) between G1 and G2 PNETs. Six statistically significant DEMs (miR135a-5p, miR200a-3p, miR3151-5p, miR-345-5p, miR548d-5p and miR9-5p) (p<0.05) were identified between G1 PNETs and G3 PNENs. Finally, 5 DEMs (miR155-5p, miR15b-5p, miR222-3p, miR548d-5p and miR9-5p) (p<0.05) were identified between G2 PNETs and G3 PNENs. CONCLUSION The identified miRNA candidates are concordant with their patterns of dysregulation in other tumour types. The reliability of these DEMs as discriminators of PNEN grades support further investigations using larger patient populations.
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Affiliation(s)
- James Saller
- Department of Anatomic Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | - Daley White
- Department of Biomedical Library, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | - Brooke Hough
- Department of Anatomic Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | - Sean Yoder
- Molecular Genomics Core, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | - Junmin Whiting
- Biostatistics & Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | - Dung-Tsa Chen
- Biostatistics & Bioinformatics, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A
| | | | - Domenico Coppola
- Department of Anatomic Pathology, H. Lee Moffitt Cancer Center and Research Institute, Tampa, FL, U.S.A.; .,Department of Pathology Florida Digestive Health Specialists, Lakewood Ranch, FL, U.S.A
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miR-196b-5p and miR-107 Expression Differentiates Ocular Sebaceous Carcinoma from Squamous Cell Carcinoma of the Conjunctiva. Int J Mol Sci 2022; 23:ijms23094877. [PMID: 35563269 PMCID: PMC9102373 DOI: 10.3390/ijms23094877] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Revised: 04/23/2022] [Accepted: 04/24/2022] [Indexed: 11/23/2022] Open
Abstract
An Ocular Sebaceous Carcinoma (OSC) is a rare malignant tumor for which initial clinical and pathological diagnosis is often incorrect. OSCs can mimic Squamous Cell Carcinomas of the Conjunctiva (SCCC). The aim of this study was to find microRNA biomarkers to distinguish OSCs and SCCCs from normal tissue and from each other. Clinical OSC and SCCC case files and the corresponding histopathological slides were collected and reviewed. Micro dissected formalin-fixed paraffin-embedded tumor and control tissues were subjected to semi-high throughput microRNA profiling. MicroRNA expression distinguishes OSCs and SCCCs from corresponding control tissues. Selected differentially expressed miRNAs were validated using single RT-PCR assays. No prognostic miRNAs could be identified that reliably predict SCCC metastasis or OSC recurrence. A comparison between OSCs (n = 14) and SCCCs (n = 18) revealed 38 differentially expressed microRNAs (p < 0.05). Differentially expressed miRNAs were selected for validation in the discovery cohort and an independent validation cohort (OSCs, n = 11; SCCCs, n = 12). At least two miRNAs, miR-196b-5p (p ≤ 0.05) and miR-107 (p ≤ 0.001), displayed a statistically significant differential expression between OSCs and SCCCs with miR-196b-5p upregulated in SCCCs and miR-107 upregulated in OSCs. In the validation cohort, microRNA miR-493-3p also showed significant upregulation in SCCCs when compared to OSCs (p ≤ 0.05). ROC analyses indicated that the combined miR-196b-5p and miR-107 expression levels predicted OSCs with 90.0% sensitivity and 83.3% specificity. In conclusion, the combined testing of miR-196b-5p and miR-107, can be of additional use in routine diagnostics to discriminate OSCs from SCCCs.
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Dull K, Fazekas F, Deák D, Kovács D, Póliska S, Szegedi A, Zouboulis CC, Törőcsik D. miR-146a modulates TLR1/2 and 4 induced inflammation and links it with proliferation and lipid production via the indirect regulation of GNG7 in human SZ95 sebocytes. Sci Rep 2021; 11:21510. [PMID: 34728702 PMCID: PMC8563942 DOI: 10.1038/s41598-021-00907-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Accepted: 10/18/2021] [Indexed: 11/09/2022] Open
Abstract
Activation of Toll-like receptors (TLR) 1/2 and 4 are central in inducing inflammation in sebocytes by regulating the expression of protein coding mRNAs, however the microRNA (miRNA) profile in response to TLR activation and thus the possible role of miRNAs in modulating sebocyte functions has not been elucidated. In this work we identified miR-146a to have the highest induction in the TLR1/2 and 4 activated SZ95 sebocytes and found that its increased levels led to the down-regulation of IL-8 secretion, decreased the chemoattractant potential and stimulated the proliferation of sebocytes. Assessing the gene expression profile of SZ95 sebocytes treated with a miR-146a inhibitor, the induction of GNG7 was one of the highest, while when cells were treated with a miR-146a mimic, the expression of GNG7 was down-regulated. These findings correlated with our in situ hybridization results, that compared with control, miR-146a showed an increased, while GNG7 a decreased expression in sebaceous glands of acne samples. Further studies revealed, that when inhibiting the levels of GNG7 in SZ95 sebocytes, cells increased their lipid content and decreased their proliferation. Our findings suggest, that miR-146a could be a potential player in acne pathogenesis by regulating inflammation, inducing proliferation and, through the indirect down-regulation of GNG7, promoting the lipid production of sebocytes.
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Affiliation(s)
- Katalin Dull
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Fruzsina Fazekas
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Dávid Deák
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Dóra Kovács
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary
| | - Szilárd Póliska
- Department of Biochemistry and Molecular Biology, Genomic Medicine and Bioinformatics Core Facility, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Andrea Szegedi
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary.,Division of Dermatological Allergology, Department of Dermatology, Faculty of Medicine, University of Debrecen, Debrecen, Hungary
| | - Christos C Zouboulis
- Departments of Dermatology, Venereology, Allergology and Immunology, Dessau Medical Center, Brandenburg Medical School Theodor Fontane and Faculty of Health Sciences Brandenburg, Dessau, Germany
| | - Dániel Törőcsik
- Department of Dermatology, Faculty of Medicine, University of Debrecen, Nagyerdei krt. 98, Debrecen, 4032, Hungary.
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4
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Zhang C, Zhu L, Liu X, Jiang M, Tang Q, Xu F, Lin T, Dong L, He Y. MicroRNA-3907 promotes the proliferation and migration of sebaceous gland carcinoma of the eyelid by targeting thrombospondin 1. Oncol Lett 2021; 22:833. [PMID: 34691259 PMCID: PMC8527560 DOI: 10.3892/ol.2021.13094] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 09/16/2021] [Indexed: 12/18/2022] Open
Abstract
MicroRNAs (miRNAs/miRs) play an important role in various types of carcinoma, including sebaceous gland carcinoma (SGC) of the eyelid. miR-3907 was found to be highly expressed in lung cancer; however, to the best of our knowledge, the biological role of miR-3907 in SGC has not previously been evaluated. The aim of the present study was to determine the role and mechanism of miR-3907 in the occurrence and development of SGC. miR-3907 was screened and identified as a novel upregulated miRNA in SGC tissues and cells, as determined using miRNA microarrays and reverse transcription-quantitative (RT-q) PCR analyses. Compared with the control group, cellular proliferation and migration were enhanced in the miR-3907 mimics group, and decreased in the miR-3907 inhibitor group. Moreover, miR-3907 negatively regulated thrombospondin 1 (THBS1) expression, as shown by bioinformatics prediction, RT-qPCR, western blotting and dual-luciferase reporter assays. In addition, compared with the control group, the small interfering (si) siRNA-THBS1 group exhibited enhanced proliferation and migration abilities, which were decreased in the THBS1 overexpression group. Furthermore, THBS1 overexpression was found to attenuate the stimulative effect of miR-3907 mimics, and THBS1-knockdown reversed the inhibitory effect of the miR-3907 inhibitor in SGC cells. Collectively, the results of the present study indicated that miR-3907 promoted the proliferation and migration of SGC by downregulating THBS1, and that this axis may be a potential target for the prognostic assessment and treatment of SGC.
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Affiliation(s)
- Chuanli Zhang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Limin Zhu
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Xun Liu
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Meixia Jiang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Qin Tang
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Fei Xu
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Tingting Lin
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Lijie Dong
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
| | - Yanjin He
- Tianjin Key Laboratory of Retinal Functions and Diseases, Tianjin Branch of National Clinical Research Center for Ocular Disease, Eye Institute and School of Optometry, Tianjin Medical University Eye Hospital, Tianjin 300384, P.R. China
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Liu B, Shi H, Qiu W, Wu X, Li L, Wu W. A two-microRNA signature predicts the progression of male thyroid cancer. Open Life Sci 2021; 16:981-991. [PMID: 34595349 PMCID: PMC8439266 DOI: 10.1515/biol-2021-0099] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Revised: 07/17/2021] [Accepted: 07/27/2021] [Indexed: 12/24/2022] Open
Abstract
In various cancers, microRNAs (miRNAs) are abnormally expressed, including thyroid cancer (TC). In recent years, the incidence of TC has increased annually around the world. Compared with female patients, male TC patients are more likely to have a postoperative recurrence and lymph node metastasis, and hence need second treatments. However, the molecular biological processes underlying this phenomenon are not understood. Therefore, we collected data on miRNA expression and clinical information of male TC patients from The Cancer Genome Atlas (TCGA) database. Differentially expressed miRNAs were identified between male TC tissues and matched normal tissues. The Kaplan–Meier method, univariate and multivariate Cox regressions, and receiver operating characteristic curve analyses were performed to assess the association between miRNAs and the disease-free survival of male TC patients. Gene Ontology (GO) and the Kyoto Encyclopaedia of Gene and Genome (KEGG) enrichment analyses were then used to explore the function of miRNA target genes. Furthermore, we evaluated the ability of the miRNA biomarker to predict survival in female TC patients. As a result, a total of 118 differentially expressed miRNAs were identified, including 25 upregulated and 93 downregulated miRNAs. Among them, miR-451a and miR-16-1-3p were confirmed to be independent prognostic factors for the disease-free survival rate. The target genes of miR-451a and miR-16-1-3p were identified, and functional analysis showed that these genes were enriched in 25 Go and KEGG accessions, including cell signal transduction, motor adhesion, phagocytosis, regulation of transcription, cell proliferation, angiogenesis, etc. Neither miR-451a and miR-16-1-3p, nor a prediction model based on both miRNAs effectively predicted survival in female TC patients. In conclusion, both miR-451a and miR-16-1-3p may play important roles in the processes of male TC. The two-miRNA signature involving miR-1258 and miR-193a may serve as a novel prognostic biomarker for male TC patients.
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Affiliation(s)
- Bingyang Liu
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
| | - Haihong Shi
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
| | - Weigang Qiu
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
| | - Xinquan Wu
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
| | - Liqiong Li
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
| | - Wenyi Wu
- Department of Thyroid and Breast Surgery, The Second Affiliated Hospital of Fujian Medical University, Quanzhou, Fujian 362000, People's Republic of China
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Peterson C, Moore R, Hicks JL, Morsberger LA, De Marzo AM, Zou Y, Eberhart CG, Campbell AA. NGS Analysis Confirms Common TP53 and RB1 Mutations, and Suggests MYC Amplification in Ocular Adnexal Sebaceous Carcinomas. Int J Mol Sci 2021; 22:8454. [PMID: 34445161 PMCID: PMC8395148 DOI: 10.3390/ijms22168454] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/01/2021] [Accepted: 08/04/2021] [Indexed: 01/31/2023] Open
Abstract
Ocular adnexal (OA) sebaceous carcinomas generally demonstrate more aggressive clinical and histopathological phenotypes than extraocular cases, but the molecular drivers implicated in their oncogenesis remain poorly defined. A retrospective review of surgical and ocular pathology archives identified eleven primary resection specimens of OA sebaceous carcinomas with adequate tissue for molecular analysis; two extraocular cases were also examined. Next-generation sequencing was used to evaluate mutations and copy number changes in a large panel of cancer-associated genes. Fluorescence in situ hybridization (FISH) confirmed MYC copy number gain in select cases, and immunohistochemistry to evaluate MYC protein expression. The commonest mutations occurred in TP53 (10/13) and RB1 (7/13). Additional mutations in clinically actionable genes, or mutations with a frequency of at least 25%, included the NF1 (3/12), PMS2 (4/12), ROS1 (3/12), KMT2C (4/12), MNX1 (6/12), NOTCH1 (4/12), PCLO (3/12), and PTPRT (3/12) loci. Low level copy number gain suggestive of amplification of the MYC locus was seen in two cases, and confirmed using FISH. MYC protein expression, as assessed by immunohistochemistry, was present in almost all sebaceous carcinoma cases. Our findings support the concept that alterations in TP53 and RB1 are the commonest alterations in sebaceous carcinoma, and suggest that MYC may contribute to the oncogenesis of these tumors.
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Affiliation(s)
- Cornelia Peterson
- Department of Molecular and Comparative Pathobiology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA;
| | - Robert Moore
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
| | - Jessica L. Hicks
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
| | - Laura A. Morsberger
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
- Clinical Cytogenetics Laboratory, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Johns Hopkins Genomics, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Angelo M. De Marzo
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
- Sidney Kimmel Comprehensive Cancer Center, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- The Brady Urological Research Institute, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Ying Zou
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
- Clinical Cytogenetics Laboratory, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
- Johns Hopkins Genomics, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Charles G. Eberhart
- Department of Pathology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA; (R.M.); (J.L.H.); (L.A.M.); (A.M.D.M.); (Y.Z.)
- Department of Ophthalmology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Ashley A. Campbell
- Department of Ophthalmology, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
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Cifuentes-Bernal AM, Pham VV, Li X, Liu L, Li J, Le TD. A pseudotemporal causality approach to identifying miRNA-mRNA interactions during biological processes. Bioinformatics 2021; 37:807-814. [PMID: 33070184 DOI: 10.1093/bioinformatics/btaa899] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 09/02/2020] [Accepted: 10/06/2020] [Indexed: 12/19/2022] Open
Abstract
MOTIVATION microRNAs (miRNAs) are important gene regulators and they are involved in many biological processes, including cancer progression. Therefore, correctly identifying miRNA-mRNA interactions is a crucial task. To this end, a huge number of computational methods has been developed, but they mainly use the data at one snapshot and ignore the dynamics of a biological process. The recent development of single cell data and the booming of the exploration of cell trajectories using 'pseudotime' concept have inspired us to develop a pseudotime-based method to infer the miRNA-mRNA relationships characterizing a biological process by taking into account the temporal aspect of the process. RESULTS We have developed a novel approach, called pseudotime causality, to find the causal relationships between miRNAs and mRNAs during a biological process. We have applied the proposed method to both single cell and bulk sequencing datasets for Epithelia to Mesenchymal Transition, a key process in cancer metastasis. The evaluation results show that our method significantly outperforms existing methods in finding miRNA-mRNA interactions in both single cell and bulk data. The results suggest that utilizing the pseudotemporal information from the data helps reveal the gene regulation in a biological process much better than using the static information. AVAILABILITY AND IMPLEMENTATION R scripts and datasets can be found at https://github.com/AndresMCB/PTC. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
| | - Vu Vh Pham
- UniSA STEM, University of South Australia, Adelaide, South Australia, 5095 Mawson Lakes, Australia
| | - Xiaomei Li
- UniSA STEM, University of South Australia, Adelaide, South Australia, 5095 Mawson Lakes, Australia
| | - Lin Liu
- UniSA STEM, University of South Australia, Adelaide, South Australia, 5095 Mawson Lakes, Australia
| | - Jiuyong Li
- UniSA STEM, University of South Australia, Adelaide, South Australia, 5095 Mawson Lakes, Australia
| | - Thuc Duy Le
- UniSA STEM, University of South Australia, Adelaide, South Australia, 5095 Mawson Lakes, Australia
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8
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Hirano T, Yunoki T, Furusawa Y, Tabuchi Y, Hayashi A. Bioinformatics analysis of the microRNA-mRNA network in sebaceous gland carcinoma of the eyelid. Mol Med Rep 2020; 23:44. [PMID: 33179085 PMCID: PMC7684873 DOI: 10.3892/mmr.2020.11682] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022] Open
Abstract
Sebaceous gland carcinoma (SGC) of the eyelid is an uncommon aggressive tumor with a relatively high rate of local recurrence and a poor prognosis following metastasis. However, the molecular mechanisms underlying the pathogenesis of SGC remain unclear. The purpose of the present study was to clarify microRNA (miRNA) expression profiles in SGC and to explore novel miRNA-mRNA networks of SGC. A small RNA-sequencing analysis was performed to identify miRNAs differentially expressed between SGC and sebaceous adenoma control samples. Bioinformatics analyses were conducted to reveal biological functions, canonical pathways and molecular interaction networks using integrated miRNA-mRNA datasets, including mRNA expression profiles of SGC from our previous study. The present results demonstrated that 16 upregulated miRNAs and 516 downregulated mRNAs were associated with loss of lipid metabolism function and enriched in cholesterol biosynthesis pathways. By contrast, 29 downregulated miRNAs and 194 upregulated mRNAs were mainly associated with the promotion of cell survival and proliferation in addition to enrichment of DNA damage-induced cell cycle-regulation pathways. Furthermore, network analyses revealed that the upregulated miRNAs, miR-130a-3p and miR-939-5p, and the downregulated miRNAs, miR-146a-5p, miR-149-3p, miR-193a-3p, miR-195-5p and miR-4671-3p, could be upstream regulators related to these functional changes of SGC. These results improved the understanding of molecular mechanisms of SGC and may help to improve the diagnosis of SGC.
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Affiliation(s)
- Tetsushi Hirano
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Toyama 930-0194, Japan
| | - Tatsuya Yunoki
- Department of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
| | - Yukihiro Furusawa
- Department of Liberal Arts and Sciences, Toyama Prefectural University, Toyama 939-0398, Japan
| | - Yoshiaki Tabuchi
- Division of Molecular Genetics Research, Life Science Research Center, University of Toyama, Toyama 930-0194, Japan
| | - Atsushi Hayashi
- Department of Ophthalmology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama 930-0194, Japan
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9
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Ferreira I, Wiedemeyer K, Demetter P, Adams DJ, Arends MJ, Brenn T. Update on the pathology, genetics and somatic landscape of sebaceous tumours. Histopathology 2020; 76:640-649. [PMID: 31821583 DOI: 10.1111/his.14044] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 11/25/2019] [Accepted: 12/06/2019] [Indexed: 01/17/2023]
Abstract
Cutaneous sebaceous neoplasms show a predilection for the head and neck area of adults and include tumours with benign behaviour, sebaceous adenoma and sebaceoma, and sebaceous carcinoma with potential for an aggressive disease course at the malignant end of the spectrum. The majority of tumours are solitary and sporadic, but a subset of tumours may be associated with Lynch syndrome, also known as hereditary non-polyposis colon cancer (HNPCC) and previously referred to as Muir-Torre syndrome (now known to be part of Lynch syndrome). This review provides an overview of the clinical and histological features of cutaneous sebaceous neoplasia with an emphasis on differentiating features and differential diagnosis. It also offers insights into the recently described molecular pathways involved in the development of sebaceous tumours and their association with Lynch syndrome.
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Affiliation(s)
- Ingrid Ferreira
- Université Libre de Bruxelles, Brussels, Belgium
- Experimental Cancer Genetics, Wellcome Trust Sanger Institute, Cambridge, UK
| | - Katharina Wiedemeyer
- Department of Dermatology, University Hospital of Heidelberg, Heidelberg, Germany
- Department of Pathology & Laboratory Medicine, The Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
| | - Pieter Demetter
- Department of Pathology, Jules Bordet Institute, Université Libre de Bruxelles, Brussels, Belgium
| | - David J Adams
- Experimental Cancer Genetics, Wellcome Trust Sanger Institute, Cambridge, UK
| | - Mark J Arends
- Division of Pathology, Cancer Research UK Edinburgh Centre, Institute of Genetics & Molecular Medicine, The University of Edinburgh, Edinburgh, UK
| | - Thomas Brenn
- Department of Pathology & Laboratory Medicine, The Arnie Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Canada
- Division of Pathology, Cancer Research UK Edinburgh Centre, Institute of Genetics & Molecular Medicine, The University of Edinburgh, Edinburgh, UK
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10
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Nahon-Esteve S, Martel A, Maschi C, Caujolle JP, Baillif S, Lassalle S, Hofman P. The Molecular Pathology of Eye Tumors: A 2019 Update Main Interests for Routine Clinical Practice. Curr Mol Med 2019; 19:632-664. [DOI: 10.2174/1566524019666190726161044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Revised: 07/12/2019] [Accepted: 07/15/2019] [Indexed: 12/17/2022]
Abstract
Over the last few years, we have seen constant development of molecular
pathology for the care of patients with cancer. The information obtained from molecular
data has transformed our thinking about the biological diversity of cancers, particularly in
the field of ophthalmic oncology. It has reoriented the way in which therapeutic decisions
and decisions concerning patient surveillance are made, both in the area of pediatric
cancers, including rhabdomyosarcoma and retinoblastoma, and adult cancers, such as
uveal melanoma and lymphomas. A better definition of the molecular classification of
these cancers and of the different biological pathways involved is essential to the
understanding of both the pathologist and the onco-ophthalmologist. Molecular tests
based on targeted or expanded analysis of gene panels are now available. These tests
can be performed with tumor tissue or biofluids (especially blood) to predict the
prognosis of tumors and, above all, the benefit of targeted therapies, immunotherapy or
even chemotherapy. Looking for the BAP1 mutation in uveal melanoma is essential
because of the associated metastatic risk. When treating retinoblastoma, it is mandatory
to assess the heritable status of RB1. Conjunctival melanoma requires investigation into
the BRAF mutation in the case of a locally advanced tumor. The understanding of
genomic alterations, the results of molecular tests and/or other biological tests predictive
of a therapeutic response, but also of the limits of these tests with respect to the
available biological resources, represents a major challenge for optimal patient
management in ophthalmic oncology. In this review, we present the current state of
knowledge concerning the different molecular alterations and therapeutic targets of
interest in ophthalmic oncology.
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Affiliation(s)
| | - Arnaud Martel
- Department of Ophthalmology, University Cote d'Azur, Nice, France
| | - Célia Maschi
- Department of Ophthalmology, University Cote d'Azur, Nice, France
| | | | | | - Sandra Lassalle
- Laboratory of Clinical and Experimental Pathology, University Cote d'Azur, Nice, France
| | - Paul Hofman
- Laboratory of Clinical and Experimental Pathology, University Cote d'Azur, Nice, France
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11
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Kibbi N, Worley B, Owen JL, Kelm RC, Bichakjian CK, Chandra S, Demirci H, Kim J, Nehal KS, Thomas JR, Poon E, Alam M. Sebaceous carcinoma: controversies and their evidence for clinical practice. Arch Dermatol Res 2019; 312:25-31. [PMID: 31471636 DOI: 10.1007/s00403-019-01971-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/16/2019] [Accepted: 08/20/2019] [Indexed: 12/14/2022]
Abstract
Sebaceous carcinoma (SC) is a potentially aggressive malignancy of periocular or extraocular skin. It arises sporadically or is associated with Muir-Torre syndrome (MTS). Here, we review three controversial clinical conundra related to the diagnosis and treatment of SC and offer evidence-based recommendations. First, following a diagnosis of SC, deciding which patients to screen for MTS can be challenging. The Mayo MTS Risk Score is a clinical score that incorporates the key cutaneous findings in MTS but relies heavily on personal and family history that may not be available at the time of SC diagnosis, especially in young patients. Young patients, who have extraocular SC and are suspected to have MTS though do not meet criteria by Mayo MTS Risk Score, should have their tumors tested using immunohistochemistry for mismatch repair proteins. Second, sentinel lymph node biopsy (SLNB) is used in periocular SC to evaluate nodal disease. Patient selection is critical for SLNB. Periocular SC stage ≥ T2c (by American Joint Commission on Cancer, 8th edition) may be considered for SLNB given positivity rates over fifteen percent in expert hands. Lastly, treatment of metastatic SC is an area of active investigation. When possible, tumor profiling may be used to select targeted agents. Future research into these three key questions is needed.
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Affiliation(s)
- Nour Kibbi
- Department of Dermatology, Yale School of Medicine, New Haven, CT, USA
| | - Brandon Worley
- Division of Dermatology, The Ottawa Hospital, Ottawa, ON, Canada
| | - Joshua L Owen
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Ryan C Kelm
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | | | - Sunandana Chandra
- Division of Oncology, Department of Medicine, Northwestern University Medical Center, Chicago, IL, USA
| | - Hakan Demirci
- Department of Ophthalmology and Visual Sciences, University of Michigan, Ann Arbor, MI, USA
| | - John Kim
- Department of Plastic Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Kishwer S Nehal
- Dermatology Service, Memorial Sloan Kettering, New York, NY, USA
| | - J Regan Thomas
- Department of Otolaryngology-Head and Neck Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Emily Poon
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Murad Alam
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA. .,Department of Dermatology, Northwestern Memorial Hospital, Arkes Family Pavilion, 676 N Saint Clair Suite 1600, Chicago, IL, 60611, USA.
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12
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Song X, Fan J, Jia R, Zhou Y, Ge S, Zhang G, Wang H, Fan X. Identification and regulation pattern analysis of long noncoding RNAs in meibomian gland carcinoma. Epigenomics 2019; 11:381-400. [PMID: 30526034 DOI: 10.2217/epi-2018-0182] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Aim: To identify long noncoding RNAs (lncRNAs) and to elucidate regulation patterns of lncRNAs in meibomian gland carcinoma (MGC). Materials & methods: We used RNA-Seq, gene ontology, ClueGO, Ingenuity Pathway Analysis and co-expression network analyses to profile the expression and regulation patterns of lncRNAs and mRNAs in MGC. Results: We identified 500 lncRNAs and 326 mRNAs as differentially expressed. Co-expression regulatory networks with lncRNAs and mRNAs were constructed. The differentially expressed mRNAs and lncRNAs were enriched by fundamental biological functions that are implicated in the inflammatory signaling pathway and tumor proliferation (IL6 and PTGS2). Conclusion: LncRNAs might play important roles via the competing endogenous RNA regulation pattern in MGC tumorigenesis and contribute to the molecular pathogenesis of MGC.
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Affiliation(s)
- Xin Song
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Jiayan Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Renbing Jia
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Yixiong Zhou
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
| | - Ge Zhang
- Department of Neurology, Luoyang Dong Fang Hospital, The Third Affiliated Hospital of Henan University of Science & Technology, Luoyang, Henan 471003, PR China
| | - Haibo Wang
- Institute of Cardiovascular Disease, Shanghai Jiao Tong University School of Medicine, Shanghai 200025, PR China
| | - Xianqun Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, PR China
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