1
|
Identification of potentially functional modules and diagnostic genes related to amyotrophic lateral sclerosis based on the WGCNA and LASSO algorithms. Sci Rep 2022; 12:20144. [PMID: 36418457 PMCID: PMC9684499 DOI: 10.1038/s41598-022-24306-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2022] [Accepted: 11/14/2022] [Indexed: 11/24/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a genetically and phenotypically heterogeneous disease results in the loss of motor neurons. Mounting information points to involvement of other systems including cognitive impairment. However, neither the valid biomarker for diagnosis nor effective therapeutic intervention is available for ALS. The present study is aimed at identifying potentially genetic biomarker that improves the diagnosis and treatment of ALS patients based on the data of the Gene Expression Omnibus. We retrieved datasets and conducted a weighted gene co-expression network analysis (WGCNA) to identify ALS-related co-expression genes. Functional enrichment analysis was performed to determine the features and pathways of the main modules. We then constructed an ALS-related model using the least absolute shrinkage and selection operator (LASSO) regression analysis and verified the model by the receiver operating characteristic (ROC) curve. Besides we screened the non-preserved gene modules in FTD and ALS-mimic disorders to distinct ALS-related genes from disorders with overlapping genes and features. Altogether, 4198 common genes between datasets with the most variation were analyzed and 16 distinct modules were identified through WGCNA. Blue module had the most correlation with ALS and functionally enriched in pathways of neurodegeneration-multiple diseases', 'amyotrophic lateral sclerosis', and 'endocytosis' KEGG terms. Further, some of other modules related to ALS were enriched in 'autophagy' and 'amyotrophic lateral sclerosis'. The 30 top of hub genes were recruited to a LASSO regression model and 5 genes (BCLAF1, GNA13, ARL6IP5, ARGLU1, and YPEL5) were identified as potentially diagnostic ALS biomarkers with validating of the ROC curve and AUC value.
Collapse
|
2
|
Na J, Zhou W, Yin M, Hu Y, Ma X. GNA13 promotes the proliferation and migration of lung squamous cell carcinoma cells through regulating the PI3K/AKT signaling pathway. Tissue Cell 2022; 76:101795. [DOI: 10.1016/j.tice.2022.101795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 03/29/2022] [Accepted: 04/02/2022] [Indexed: 10/18/2022]
|
3
|
Abstract
CD37 is a tetraspanin protein expressed in various B-cell lymphomas that mediates tumor survival signaling. Follicular lymphoma (FL) is a representative B-cell neoplasm composed of germinal center B cells. In recent years, CD37 has been focused on as a therapeutic target for B-cell lymphoma. The purpose of this study was to characterize CD37 expression in FL patients to identify risk factors associated with various prognostic factors. We retrospectively reviewed 167 cases of FL and evaluated the immunohistochemical expression of CD37 and its statistical association with clinicopathological features. Immunohistochemically, CD37 was observed in the cytoplasm and/or membrane of neoplastic cells, mainly in neoplastic follicles to various extents. One hundred cases (100/167, 60.0%) were categorized as CD37-positive, and 67 cases were CD37-negative. In cases with high Follicular Lymphoma International Prognostic Index (FLIPI), CD37-negative cases had a poor overall survival compared with CD37-positive cases (P = 0.047), although no significant differences were observed in other clinicopathologic factors, including histological grade, BCL2-IGH translocation, and immunohistochemical phenotype. Therefore, CD37 protein may play a role in tumor progression and may serve as a therapeutic target. However, further studies are needed to explore its significance.
Collapse
|
4
|
Yanagida E, Miyoshi H, Takeuchi M, Shimono J, Nakashima K, Yamada K, Kawamoto K, Moritsubo M, Shimasaki Y, Inoue K, Imamoto T, Furuta T, Kohno K, Ohshima K. Clinicopathological analysis of immunohistochemical expression of immune checkpoint molecules in follicular lymphoma. Hematol Oncol 2022; 40:530-540. [PMID: 35122292 DOI: 10.1002/hon.2972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 11/23/2021] [Accepted: 01/19/2022] [Indexed: 11/06/2022]
Abstract
Follicular lymphoma (FL) is characterized by an indolent clinical course and a high relapse rate, and often exhibits a diffuse pattern beyond the follicular area. Our group previously reported that immune checkpoint (ICP) pathways, such as programmed cell death (PD-1) and programmed death ligand 1 (PD-L1), are poor prognostic factors for diffuse large B-cell lymphoma and adult T-cell leukemia/lymphoma.In this study, the association between the expression of multiple ICP molecules according to immunohistochemistry and clinicopathological features in FL was determined via immunostaining of 173 biopsy samples. Membrane and/or cytoplasm expression of CD86 (nCD86) and PD-L1 (nPD-L1) was found in tumor cells, whereas PD-1 (miPD-1), Galectin-9 (miGalectin-9), OX40 (miOX40), CTLA-4 (miCTLA-4), Tim-3 (miTim-3), OX40L (miOX40L), and LAG-3 (miLAG-3) were expressed in non-neoplastic stromal cells. MiPD-1 expression was significantly higher in the follicular area than in the diffuse area (p=0.0450). Expression of miOX40 and miCTLA-4 was significantly higher in the diffuse area than in the follicular area (respectively, p=0.0053 and p=0.0092). MiTim-3 tended to be higher in the diffuse area than in the follicular area (p=0.0616). MiTim-3 was significantly higher in relapse cases than in new-onset cases (p=0.0440); miLAG-3 tended to be higher in relapse cases than in new-onset cases (p=0.0622, not significant). The miOX40L-high FL group had a significantly worse overall survival than the miOX40L-low group (p=0.0320).The expression of multiple ICP molecules on several cells reflects activated anti-tumor immunity and the unique FL microenvironment. Further studies on gene expression or genomic abnormalities will reveal the clinical and biological significance of ICP molecules in FL. This article is protected by copyright. All rights reserved.
Collapse
Affiliation(s)
- Eriko Yanagida
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Hiroaki Miyoshi
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Mai Takeuchi
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Joji Shimono
- Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Kazutaka Nakashima
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Kyohei Yamada
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Keisuke Kawamoto
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan.,Department of Hematology, Endocrinology and Metabolism, Faculty of Medicine, Niigata University, Niigata, Japan
| | - Mayuko Moritsubo
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Yasumasa Shimasaki
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Kanako Inoue
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Teppei Imamoto
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Takuya Furuta
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Kei Kohno
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| | - Koichi Ohshima
- Department of Pathology, Kurume University School of Medicine, Kurume, Fukuoka, Japan
| |
Collapse
|
5
|
GNA13 regulates BCL2 expression and the sensitivity of GCB-DLBCL cells to BCL2 inhibitors in a palmitoylation-dependent manner. Cell Death Dis 2021; 12:54. [PMID: 33423045 PMCID: PMC7797003 DOI: 10.1038/s41419-020-03311-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 11/25/2020] [Accepted: 11/30/2020] [Indexed: 12/14/2022]
Abstract
GNA13, encoding one of the G protein alpha subunits of heterotrimeric G proteins that transduce signals of G protein-coupled receptors (GPCR), is frequently mutated in germinal center B-cell-like diffuse large B-cell lymphoma (GCB-DLBCL) with poor prognostic outcomes. Due to the "undruggable" nature of GNA13, targeted therapy for these patients is not available. In this study, we found that palmitoylation of GNA13 not only regulates its plasma membrane localization, but also regulates GNA13's stability. It is essential for the tumor suppressor function of GNA13 in GCB-DLBCL cells. Interestingly, GNA13 negatively regulates BCL2 expression in GCB-DLBCL cells in a palmitoylation-dependent manner. Consistently, BCL2 inhibitors were found to be effective in killing GNA13-deficient GCB-DLBCL cells in a cell-based chemical screen. Furthermore, we demonstrate that inactivating GNA13 by targeting its palmitoylation enhanced the sensitivity of GCB-DLBCL to the BCL2 inhibitor. These studies indicate that the loss-of-function mutation of GNA13 is a biomarker for BCL2 inhibitor therapy of GCB-DLBCL and that GNA13 palmitoylation is a potential target for combination therapy with BCL2 inhibitors to treat GCB-DLBCL with wild-type GNA13.
Collapse
|
6
|
Deep learning shows the capability of high-level computer-aided diagnosis in malignant lymphoma. J Transl Med 2020; 100:1300-1310. [PMID: 32472096 DOI: 10.1038/s41374-020-0442-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2019] [Revised: 05/11/2020] [Accepted: 05/11/2020] [Indexed: 12/22/2022] Open
Abstract
A pathological evaluation is one of the most important methods for the diagnosis of malignant lymphoma. A standardized diagnosis is occasionally difficult to achieve even by experienced hematopathologists. Therefore, established procedures including a computer-aided diagnosis are desired. This study aims to classify histopathological images of malignant lymphomas through deep learning, which is a computer algorithm and type of artificial intelligence (AI) technology. We prepared hematoxylin and eosin (H&E) slides of a lesion area from 388 sections, namely, 259 with diffuse large B-cell lymphoma, 89 with follicular lymphoma, and 40 with reactive lymphoid hyperplasia, and created whole slide images (WSIs) using a whole slide system. WSI was annotated in the lesion area by experienced hematopathologists. Image patches were cropped from the WSI to train and evaluate the classifiers. Image patches at magnifications of ×5, ×20, and ×40 were randomly divided into a test set and a training and evaluation set. The classifier was assessed using the test set through a cross-validation after training. The classifier achieved the highest levels of accuracy of 94.0%, 93.0%, and 92.0% for image patches with magnifications of ×5, ×20, and ×40, respectively, in comparison to diffuse large B-cell lymphoma, follicular lymphoma, and reactive lymphoid hyperplasia. Comparing the diagnostic accuracies between the proposed classifier and seven pathologists, including experienced hematopathologists, using the test set made up of image patches with magnifications of ×5, ×20, and ×40, the best accuracy demonstrated by the classifier was 97.0%, whereas the average accuracy achieved by the pathologists using WSIs was 76.0%, with the highest accuracy reaching 83.3%. In conclusion, the neural classifier can outperform pathologists in a morphological evaluation. These results suggest that the AI system can potentially support the diagnosis of malignant lymphoma.
Collapse
|
7
|
Ohe R, Meng HX, Yamada A, Ye Aung N, Kabasawa T, Tamura Y, Utsunomiya A, Tamazawa N, Kawamura I, Kitaoka T, Suzuki K, Yanagiya R, Toubai T, Ishizawa K, Yamakawa M. Good prognosis for follicular lymphoma with estrogen receptor α-positive follicular dendritic cells. Hematol Oncol 2020; 38:293-300. [PMID: 32196124 PMCID: PMC7496718 DOI: 10.1002/hon.2730] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Revised: 01/21/2020] [Accepted: 03/09/2020] [Indexed: 12/12/2022]
Abstract
Follicular lymphoma (FL) has a meshwork of follicular dendritic cells (FDCs). We previously demonstrated the presence of estrogen receptor alpha (ERα)+CD23+ FDCs in grades 1‐2 FL. The significance of FDCs as a prognostic factor in FL remains unknown. The current study aimed to compare clinicopathological features, including prognosis, between FL with and without ERα+ FDCs. This study evaluated the clinicopathological significance of ERα expression in 70 FL patients by immunostaining. The presence of ERα mRNA on FDCs from 5 FL patients was confirmed by CD21/ERα double staining (immunohistochemistry and in situ hybridization). We defined patients with frequent ERα expression as the ERαhigh group and those with infrequent ERα expression as the ERαlow group. Thirty‐two patients were assigned to the ERαhigh group (45.7%), and 38 patients were assigned to the ERαlow group (54.3%). Both overall survival (OS) and progression‐free survival (PFS) were significantly better in the ERαhigh group than in the ERαlow group (OS, log‐rank, P = .0465; PFS, log‐rank, P = .0336). Moreover, high ERα expression on FDCs was an independent prognostic factor for OS in both the univariate ([hazard ratio] HR, 0.163; P = .0260) and multivariate (HR, 0.050; P = .0188) analyses and for PFS in both the univariate (HR, 0.232; P = .0213) and multivariate (HR, 0.084; P = .0243) analyses. ERα mRNA expression was detected in CD21+ FDCs within the neoplastic follicles of FL patients. In conclusion, a neoplastic follicular microenvironment with ERα‐positive FDCs might affect the grade and presence of the follicular pattern of FL and improve patient prognosis.
Collapse
Affiliation(s)
- Rintaro Ohe
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Hong-Xue Meng
- Department of Pathology, Harbin Medical University Cancer Hospital, Harbin, China
| | - Akane Yamada
- Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Naing Ye Aung
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Takanobu Kabasawa
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Yuka Tamura
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Aya Utsunomiya
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Nobuyuki Tamazawa
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Ichiro Kawamura
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Takumi Kitaoka
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Kazushi Suzuki
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Ryo Yanagiya
- Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Tomomi Toubai
- Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Kenichi Ishizawa
- Department of Neurology, Hematology, Metabolism, Endocrinology and Diabetology, Yamagata University Faculty of Medicine, Yamagata, Japan
| | - Mitsunori Yamakawa
- Department of Pathological Diagnostics, Yamagata University Faculty of Medicine, Yamagata, Japan
| |
Collapse
|
8
|
Shimono J, Miyoshi H, Kato T, Sugio T, Miyawaki K, Kamimura T, Miyagishima T, Eto T, Imaizumi Y, Kato K, Nagafuji K, Akashi K, Seto M, Teshima T, Ohshima K. Hepatitis C virus infection is an independent prognostic factor in follicular lymphoma. Oncotarget 2017; 9:1717-1725. [PMID: 29416725 PMCID: PMC5788593 DOI: 10.18632/oncotarget.23138] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2017] [Accepted: 11/13/2017] [Indexed: 01/08/2023] Open
Abstract
Hepatitis C virus (HCV) is a single-stranded RNA virus that not only affects hepatocytes, by B cells as well. It is thought that HCV is involved in the onset of B-cell lymphoma. The clinicopathological characteristics of HCV-positive diffuse large B-cell lymphoma (DLBCL) and HCV-positive splenic marginal zone lymphoma (SMZL) are known, but there has been no report on HCV-positive follicular lymphoma (FL). In this study, the clinicopathological characteristics of HCV-positive FL were examined in 263 patients with FL who were classified into a HCV-positive group with HCV antibody and negative groups without one. The number of patients with HCV-positive FL and HCV-negative FL was 10 (3.8%) and 253 (96.2%), respectively. The patients with HCV-positive FL commonly had more than one region of lymphadenopathy, Ann Arbor stage III/IV, hemoglobin <120 g/l, elevated lactate dehydrogenase level, and high-risk categorization of Follicular Lymphoma International Prognostic Index (FLIPI) than in patients with HCV-negative FL. Overall survival and progression-free survival were poorer in patients with HCV-positive FL than in those with HCV-negative FL (p < 0.0001 and 0.006, respectively). Also, multivariate analysis revealed that positive HCV antibody was a poor prognostic factor of OS. In conclusion, HCV-positive FL has unique clinical features and may have a great impact on the overall survival of affected patients.
Collapse
Affiliation(s)
- Joji Shimono
- Department of Pathology, Kurume University, School of Medicine, Kurume, Japan.,Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Hiroaki Miyoshi
- Department of Pathology, Kurume University, School of Medicine, Kurume, Japan
| | - Takeharu Kato
- Department of Hematology, Sasebo City General Hospital, Sasebo, Japan.,Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Takeshi Sugio
- Department of Medicine and Biosystemic Science, Kyushu University Faculty of Medicine, Fukuoka, Japan
| | - Kohta Miyawaki
- Department of Medicine and Biosystemic Science, Kyushu University Faculty of Medicine, Fukuoka, Japan
| | | | | | - Tetsuya Eto
- Department of Hematology, Hamanomachi Hospital, Fukuoka, Japan
| | - Yoshitaka Imaizumi
- Department of Hematology, Atomic Bomb Disease and Hibakusha Medicine Unit, Atomic Bomb Disease Institute, Nagasaki University, Nagasaki, Japan
| | - Koji Kato
- Department of Medicine and Biosystemic Science, Kyushu University Faculty of Medicine, Fukuoka, Japan
| | - Koji Nagafuji
- Department of Hematology, Kurume University, School of Medicine, Kurume, Japan
| | - Koichi Akashi
- Department of Medicine and Biosystemic Science, Kyushu University Faculty of Medicine, Fukuoka, Japan
| | - Masao Seto
- Department of Pathology, Kurume University, School of Medicine, Kurume, Japan
| | - Takanori Teshima
- Department of Hematology, Hokkaido University Faculty of Medicine, Sapporo, Japan
| | - Koichi Ohshima
- Department of Pathology, Kurume University, School of Medicine, Kurume, Japan
| |
Collapse
|