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Cheng L, Zou X, Wang J, Zhang J, Mo Z, Huang H. The role of CRYAB in tumor prognosis and immune infiltration: A Pan-cancer analysis. Front Surg 2023; 9:1117307. [PMID: 36713654 PMCID: PMC9880180 DOI: 10.3389/fsurg.2022.1117307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 12/29/2022] [Indexed: 01/14/2023] Open
Abstract
Purpose There is evidence that the Crystallin Alpha B (CRYAB) gene is involved in the regulation of the tumor microenvironment and influences tumor prognosis in some cancers. However, the role of CRYAB gene in prognosis and immunology in pan-cancer is still unclear. Methods In this study, we analyzed the transcriptional profiles and survival data of cancer patients from The Cancer Genome Atlas (TCGA) database. CRYAB gene and its relationships with pan-cancer were analyzed using R packages, TIMER2.0, GEPIA2, Sangerbox, UALCAN, cBioPortal, ESTIMATE algorithm, and STRING. Besides, real-time fluorescence quantitative polymerase chain reaction (RT-qPCR) was utilized to detect CRYAB expression in KIRC and a human KIRC cell line (Caki-1). Results We found that CRYAB expression was different in tumors and adjacent tumors in human cancers, affecting patients' prognosis in 15 cancer types. Additionally, CRYAB expression significantly correlated with tumor microenvironment (TME), immune checkpoints (ICP), tumor mutational burden (TMB), and microsatellite instability (MSI) in human cancers. Besides, CRYAB expression was positively associated with the immune infiltration of cancer-associated fibroblasts (CAFs) and endothelial cells in most human cancers. Based on enrichment analysis, the most prevalent CRYAB gene mechanism in malignant tumors may be through anti-apoptotic activity. Moreover, some FDA-approved drugs were found to be associated with CRYAB and might be potential cancer therapeutic candidates. Conclusions CRYAB is a crucial component of the TME and influences immune cell infiltration, making it a promising biomarker to assess immune infiltration and prognosis in many malignancies.
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Affiliation(s)
- Lang Cheng
- Center for Genomic and Personalized Medicine, Guangxi key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China,Institute of Urology and Nephrology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China,Department of Urology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, China
| | - Xiong Zou
- Center for Genomic and Personalized Medicine, Guangxi key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China,Institute of Urology and Nephrology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Jiawei Wang
- Department of Urology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, China
| | - Jiange Zhang
- Department of Urology, The Second Affiliated Hospital of Guangxi Medical University, Nanning, China
| | - Zengnan Mo
- Center for Genomic and Personalized Medicine, Guangxi key Laboratory for Genomic and Personalized Medicine, Guangxi Collaborative Innovation Center for Genomic and Personalized Medicine, Guangxi Medical University, Nanning, China,Institute of Urology and Nephrology, The First Affiliated Hospital of Guangxi Medical University, Nanning, China,Correspondence: Zengnan Mo Houbao Huang
| | - Houbao Huang
- Department of Urology, The First Affiliated Hospital of Wannan Medical College (Yijishan Hospital of Wannan Medical College), Wuhu, China,Correspondence: Zengnan Mo Houbao Huang
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Shi X, Zhou X, Zhang L, Yue C, Gao S, Cheng J, Zuo L, Zhang L. Identification of a Novel Ferroptosis-Related Gene Signature for Prediction of Prognosis in Bladder Urothelial Carcinoma. Bladder Cancer 2022; 8:19-34. [PMID: 38994521 PMCID: PMC11181736 DOI: 10.3233/blc-211522] [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: 03/24/2021] [Accepted: 07/21/2021] [Indexed: 11/15/2022]
Abstract
BACKGROUND sBladder urothelial carcinoma is the most prevalent type of bladder cancer, characterized by drug resistance, high recurrence rate, and unfavorable prognosis. Ferroptosis is a newly discovered type of non-apoptotic cell death, which has been reported to be strongly correlated with tumor occurrence and development. OBJECTIVE In this study, we characterized ferroptosis-specific biomarkers to elucidate the association between ferroptosis-related genes (FRGs) and bladder urothelial carcinoma. METHODS The TCGA and GEO database were adopted to obtain data and corresponding clinicopathological information. Univariate and multivariate cox regression were performed to establish a ferroptosis-related model. Besides, the KM plot visualized prognosis between high risk and low risk groups. Moreover, cBioportal platform was used to gather information on genetic alteration and DNA methylation of hub FRGs in BLCA patients. Additionally, the GSEA software was used to detect the difference in gene expression between high-risk and low-risk subgroups. RESULTS Six ferroptosis-related genes were identified to be highly correlated with overall survival. Besides, we explored the genetic variations of these FRGs, as well as the correlation between FRG expression and copy number values. Additionally, the DNA methylation status of these FRGs was determined. Moreover, we constructed a ferroptosis risk model with the six FRGs to predict the prognosis of BLCA. The results demonstrated that a higher risk score indicated an unfavorable prognosis. The ferroptosis signature was associated with clinical and molecular characteristics and could be regarded as an independent prognostic factor for BLCA patients. CONCLUSIONS In summary, we established and verified a ferroptosis risk model which had the potential to independently predict the prognosis of bladder urothelial carcinoma.
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Affiliation(s)
- Xiaokai Shi
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Xiao Zhou
- Department of Oncology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Lei Zhang
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Chuang Yue
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Shenglin Gao
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Jiasheng Cheng
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Li Zuo
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
| | - Lifeng Zhang
- Department of Urology, The Affiliated Changzhou No.2 People's Hospital of Nanjing Medical University, Changzhou, China
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Deng J, Chen X, Zhan T, Chen M, Yan X, Huang X. CRYAB predicts clinical prognosis and is associated with immunocyte infiltration in colorectal cancer. PeerJ 2021; 9:e12578. [PMID: 34966587 PMCID: PMC8667716 DOI: 10.7717/peerj.12578] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Accepted: 11/09/2021] [Indexed: 02/04/2023] Open
Abstract
Background αB-Crystallin (CRYAB) is differentially expressed in various tumors. However, the correlation between CRYAB and immune cell infiltration in colorectal cancer (CRC) remains unclear. Materials & Methods Kaplan-Meier survival curves in The Cancer Genome Atlas (TCGA) were used to evaluate the relationship between CRYAB expression and both overall survival and progression-free survival. The relationships between CRYAB expression and infiltrating immune cells and their corresponding gene marker sets were examined using the TIMER database. Results The expression of CRYAB was lower in CRC tumor tissues than in normal tissues (P < 0.05). High CRYAB gene expression and high levels of CRYAB gene methylation were correlated with high-grade malignant tumors and more advanced tumor, nodes and metastasis (TNM) cancer stages. In addition, in colorectal cancer, there was a positive correlation between CRYAB expression and immune infiltrating cells including neutrophils, macrophages, CD8 + T cells, and CD4 + T cells, as well as immune-related genes including CD2, CD3D, and CD3E. Methylation sites such as cg13084335, cg15545878, cg13210534, and cg15318568 were positively correlated with low expression of CRYAB. Conclusion Because CRYAB likely plays an important role in immune cell infiltration, it may be a potential tumor-suppressor gene in CRC and a potential novel therapeutic target and predictive biomarker for colorectal cancer (CRC).
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Affiliation(s)
- Junsheng Deng
- Gastroenterology, Tongren Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xiaoli Chen
- Gastroenterology, Tongren Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ting Zhan
- Gastroenterology, Tongren Hospital of Wuhan University, Wuhan, Hubei, China
| | - Mengge Chen
- Gastroenterology, Tongren Hospital of Wuhan University, Wuhan, Hubei, China
| | - Xisheng Yan
- Tongren Hospital of Wuhan Unversity, Wuhan, Hubei, China
| | - Xiaodong Huang
- Gastroenterology, Tongren Hospital of Wuhan University, Wuhan, Hubei, China
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Yang M, Li Y, Tian F. Association between Alpha B-crystallin expression and prognosis in patients with solid tumors: A protocol for systematic review and meta-analysis. Medicine (Baltimore) 2021; 100:e24831. [PMID: 33607849 PMCID: PMC7899826 DOI: 10.1097/md.0000000000024831] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 12/13/2020] [Accepted: 01/23/2021] [Indexed: 01/05/2023] Open
Abstract
BACKGROUND Alpha B-crystallin (CRYAB), as a small heat shock protein, may play critical roles in the tumorigenesis and progression of several kinds of human cancers. However, the prognostic value of CRYAB in solid malignancies remains controversial. The aim of the present study was to investigate the association between CRYAB expression and clinicopathology and prognosis of solid tumor patients. METHODS PubMed, Web of Science, EMBASE, Chinese National Knowledge Infrastructure, and WanFang databases were systematically searched to retrieve studies that investigated the prognostic value of CRYAB expression in various solid tumors. Hazard ratios (HRs) with 95% confidence intervals (CIs) were calculated to determine the strength of association between CRYAB expression and survival in patients with solid tumors. Odds ratios (ORs) with 95% CIs were pooled to assess the correlation between CRYAB expression and clinicopathological characteristics of patients with solid tumors. RESULTS A total of 17 studies, including 18 cohorts with 6000 patients, were included in this meta-analysis. Our results showed that increased CRYAB expression could predict poor overall survival (HR = 1.81, 95% CI: 1.50-2.19, P < .001), disease-free survival (HR = 1.47, 95% CI: 1.16-1.86, P = .001), and disease-specific survival (HR = 1.40, 95% CI: 1.19-1.63, P < .001) in patients with cancer. Furthermore, the high expression level of CRYAB was associated with certain phenotypes of tumor aggressiveness, such as lymph node metastasis (OR = 2.46, 95% CI: 1.48-4.11, P = .001), distant metastasis (OR = 3.34, 95% CI: 1.96-5.70, P < .001), advanced clinical stage (OR = 2.24, 95% CI: 1.24-4.08, P = .008), low OS rate (OR = 4.81, 95% CI: 2.82-8.19, P < .001), and high recurrence rate (OR = 1.38, 95% CI: 1.11-1.72, P = .004). CONCLUSIONS CRYAB may serve as a valuable prognostic biomarker and therapeutic target in human solid tumors.
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Abstract
In vivo, small heat-shock proteins (sHsps) are key players in maintaining a healthy proteome. αB-crystallin (αB-c) or HspB5 is one of the most widespread and populous of the ten human sHsps. Intracellularly, αB-c acts via its molecular chaperone action as the first line of defence in preventing target protein unfolding and aggregation under conditions of cellular stress. In this review, we explore how the structure of αB-c confers its function and interactions within its oligomeric self, with other sHsps, and with aggregation-prone target proteins. Firstly, the interaction between the two highly conserved regions of αB-c, the central α-crystallin domain and the C-terminal IXI motif and how this regulates αB-c chaperone activity are explored. Secondly, subunit exchange is rationalised as an integral structural and functional feature of αB-c. Thirdly, it is argued that monomeric αB-c may be its most chaperone-species active, but at the cost of increased hydrophobicity and instability. Fourthly, the reasons why hetero-oligomerisation of αB-c with other sHsps is important in regulating cellular proteostasis are examined. Finally, the interaction of αB-c with aggregation-prone, partially folded target proteins is discussed. Overall, this paper highlights the remarkably diverse capabilities of αB-c as a caretaker of the cell.
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Affiliation(s)
- Junna Hayashi
- Research School of Chemistry, The Australian National University, Acton, ACT, 2601, Australia
| | - John A Carver
- Research School of Chemistry, The Australian National University, Acton, ACT, 2601, Australia.
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Hu X, Sun G, Shi Z, Ni H, Jiang S. Identification and validation of key modules and hub genes associated with the pathological stage of oral squamous cell carcinoma by weighted gene co-expression network analysis. PeerJ 2020; 8:e8505. [PMID: 32117620 PMCID: PMC7006519 DOI: 10.7717/peerj.8505] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 01/03/2020] [Indexed: 12/18/2022] Open
Abstract
Background Oral squamous cell carcinoma (OSCC) is a major lethal malignant cancer of the head and neck region, yet its molecular mechanisms of tumourigenesis are still unclear. Patients and methods We performed weighted gene co-expression network analysis (WGCNA) on RNA-sequencing data with clinical information obtained from The Cancer Genome Atlas (TCGA) database. The relationship between co-expression modules and clinical traits was investigated by Pearson correlation analysis. Furthermore, the prognostic value and expression level of the hub genes of these modules were validated based on data from the TCGA database and other independent datasets from the Gene Expression Omnibus (GEO) database and the Human Protein Atlas database. The significant modules and hub genes were also assessed by functional analysis and gene set enrichment analysis (GSEA). Results We found that the turquoise module was strongly correlated with pathologic T stage and significantly enriched in critical functions and pathways related to tumourigenesis. PPP1R12B, CFD, CRYAB, FAM189A2 and ANGPTL1 were identified and statistically validated as hub genes in the turquoise module and were closely implicated in the prognosis of OSCC. GSEA indicated that five hub genes were significantly involved in many well-known cancer-related biological functions and signaling pathways. Conclusion In brief, we systematically discovered a co-expressed turquoise module and five hub genes associated with the pathologic T stage for the first time, which provided further insight that WGCNA may reveal the molecular regulatory mechanism involved in the carcinogenesis and progression of OSCC. In addition, the five hub genes may be considered candidate prognostic biomarkers and potential therapeutic targets for the precise early diagnosis, clinical treatment and prognosis of OSCC in the future.
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Affiliation(s)
- Xuegang Hu
- Department of Stomatology, Shenzhen Hospital, University of Chinese Academy of Sciences, Shenzhen, Guangdong, China.,Department of Endodontics and Operative Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuhou, Fujian, China
| | - Guanwen Sun
- Department of Endodontics and Operative Dentistry, School and Hospital of Stomatology, Fujian Medical University, Fuhou, Fujian, China.,Department of Stomatology, Ningbo Medical Center Lihuili Eastern Hospital, Ningbo, Zhejiang, China
| | - Zhiqiang Shi
- Department of Stomatology, Shenzhen Hospital, University of Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Hui Ni
- Department of Stomatology, Shenzhen Hospital, University of Chinese Academy of Sciences, Shenzhen, Guangdong, China
| | - Shan Jiang
- Restorative Dental Sciences, Faculty of Dentistry, The University of Hong Kong, Hong Kong SAR, China
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Tao X, Cheng L, Li Y, Ci H, Xu J, Wu S, Tao Y. Expression of CRYAB with the angiogenesis and poor prognosis for human gastric cancer. Medicine (Baltimore) 2019; 98:e17799. [PMID: 31702632 PMCID: PMC6855521 DOI: 10.1097/md.0000000000017799] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Alpha-B crystallin (CRYAB), as a small heat shock protein, has been found to be highly expressed in various human cancers and significantly associated with the unfavorable prognosis of these tumor. Nevertheless, the clinical significance of CRYAB in gastric cancer (GC) angiogenesis remains to be elucidated. In this study, we evaluated the expression of CRYAB and CD34 in GC tissues and corresponding normal gastric specimens to explore whether high level CRYAB is related with the angiogenesis and the poor prognosis in GC.In this study, the expression of CRYAB and CD34 were detected in GC tissues and corresponding normal gastric tissues by immunohistochemical (IHC) technique. Furthermore, the relationship of CRYAB with CD34-evaluated microvessel density (MVD) and poor prognosis was also investigated.CRYAB expression level was significantly higher in GC tissue than in normal gastric mucosa tissue, and clearly mean higher MVD was observed in tumor tissues compared with non-cancerous tissues. Besides, higher MVD value was observed in positive CRYAB expression group than in negative CRYAB expression group. Statistical analysis showed that CRYAB and MVD are associated with clinicopathological features including lymph node metastasis (LNM), tumor differentiation, invasion depth, and TNM stages. Kaplan-Meier method and multivariate survival analysis indicated that high expression of CRYAB, MVD, invasion depth, TNM stages, and tumor differentiation, as well as LNM significantly correlate with poor prognosis of GC patients.High expression of CRYAB may contribute to angiogenesis, invasion and metastasis of GC. These results indicated that CRYAB was expected to be a promising molecular marker for poor prognosis and potential therapeutic target in patients with GC.
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Affiliation(s)
- Xiaoying Tao
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Lili Cheng
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Yijie Li
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Hongfei Ci
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Jing Xu
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Shiwu Wu
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
| | - Yisheng Tao
- Department of Pathology, First Affiliated Hospital of Bengbu Medical College
- Department of Pathology, Bengbu Medical College, Bengbu, China
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Zhang J, Liu J, Wu J, Li W, Chen Z, Yang L. Progression of the role of CRYAB in signaling pathways and cancers. Onco Targets Ther 2019; 12:4129-4139. [PMID: 31239701 PMCID: PMC6553995 DOI: 10.2147/ott.s201799] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Accepted: 04/07/2019] [Indexed: 01/18/2023] Open
Abstract
CRYAB is a member of the small heat shock protein family, first discovered in the lens of the eye, and involved in various diseases, such as eye and heart diseases and even cancers, for example, breast cancer, lung cancer, prostate cancer, and ovarian cancer. In addition, CRYAB proteins are involved in a variety of signaling pathways including apoptosis, inflammation, and oxidative stress. This review summarizes the recent progress concerning the role of CRYAB in signaling pathways and diseases. Therefore, the role of CRYAB in signaling pathways and cancers is urgently needed. This article reviews the regulation of CRYAB in the apoptotic inflammatory signaling pathway and its role in cancers progression and as a key role in anti-cancer therapy targeting CRYAB in an effort to improve outcomes for patients with metastatic disease.
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Affiliation(s)
- JunFei Zhang
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
| | - Jia Liu
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
| | - JiaLi Wu
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
| | - WenFeng Li
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
| | - ZhongWei Chen
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
| | - LiShan Yang
- Department of Emergency Medical, General Hospital of Ningxia Medical University, Yinchuan, Ningxia 750000, People's Republic of China
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Alpha B-crystallin C-802G polymorphism and colorectal cancer susceptibility and clinical outcome in Chinese population. Sci Rep 2018; 8:11731. [PMID: 30082880 PMCID: PMC6078991 DOI: 10.1038/s41598-018-29589-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 07/16/2018] [Indexed: 12/15/2022] Open
Abstract
Colorectal cancer (CRC) is one of the most prevalent cancers worldwide and Alpha B-crystallin (CRYAB) protein has been identified as a prognostic biomarker for CRC. We evaluated CRYAB C-802G (rs14133)polymorphism in association with CRC risk and survival in Chinese population. We genotyped for CRYAB C-802G (rs14133), A-1215G (rs2228387) and intron 2 (rs2070894), and assessed their associations with CRC in a case-control study of 441 CRC cases and 500 healthy controls. We also analyzed this polymorphism in relation to overall survival in CRC patients. A significantly different frequency distribution was found in CRYAB C-802G genotypes, but not in A-1215G and intron2 genotypes, between the cases and the controls. Under multivariable logistic regression adjusted for age and gender, CG/GG genotype carriers were associated with increased risk of CRC (OR 1.754, 95% CI 1.338–2.301, P < 0.001) when compared with CC genotype carriers. Multivariate Cox proportional hazards model showed that patients with CG/GG genotype had significant shorter survival time than those with CC genotype, after adjustment for gender and TNM stage (HR 2.347, 95% CI 1.719–3.204, P < 0.001), and after adjustment for gender and tumor grade (HR 2.871, 95% CI 2.121–3.887, P < 0.001), respectively. Our results demonstrated that CG/GG at CRYAB C-802G is correlated with CRC susceptibility and this polymorphism may be an useful marker for clinical outcome of CRC.
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Cortes-Ramírez JM, Ayala CDLL, Cortes de la Torre JMDJ, Cortes de la Torre RA, Otilia Salazar L, Castelo OO, de la Torre MJ. Oral Alterations in children with cancer. Literature review. JOURNAL OF ORAL RESEARCH 2014. [DOI: 10.17126/joralres.2014.058] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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Elevated expression of CRYAB predicts unfavorable prognosis in non-small cell lung cancer. Med Oncol 2014; 31:142. [PMID: 25048725 DOI: 10.1007/s12032-014-0142-1] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2014] [Accepted: 07/15/2014] [Indexed: 11/27/2022]
Abstract
Alpha B-crystallin (CRYAB) is one of the principal members of the small heat-shock protein family, and several studies described the CRYAB expression in human cancers. However, the association between CRYAB expression and the clinical features of non-small cell lung cancer (NSCLC) is rarely elucidated. In this present study, one-step quantitative reverse transcription-polymerase chain reaction with 12 fresh-frozen NSCLC samples and Western blotting as well as immunohistochemistry (IHC) analyses in 101 NSCLC cases were conducted to investigate the relationship between CRYAB expression and the clinicopathological attributes of NSCLC. The results showed that CRYAB mRNA and protein expression levels were significantly higher in NSCLC than in matched non-cancerous tissues (p < 0.05). The IHC data indicated that the CRYAB protein expression in NSCLC was significantly correlated with TNM stage (p = 0.043), and overall survival (p = 0.029). Kaplan-Meier method and Cox multifactor analysis suggested that higher CRYAB protein level (p = 0.032) and TNM stage (p = 0.048) were statistically associated with the poor survival of patients with NSCLC. The data suggested that CRYAB may be identified as a novel prognostic marker and targeting CRYAB may provide a promising strategy for NSCLC treatment.
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