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Tang J, Zhao Z, Zhou J, Jiao L, Zhou W, Ying B, Yang Y. Multiple CD59 Polymorphisms in Chinese Patients with Mycobacterium tuberculosis Infection. J Immunol Res 2023; 2023:1216048. [PMID: 37050931 PMCID: PMC10083888 DOI: 10.1155/2023/1216048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 03/02/2023] [Accepted: 03/19/2023] [Indexed: 04/04/2023] Open
Abstract
Background and Objective. Tuberculosis (TB) is a major threat to human health, especially in developing countries. Its susceptibility and progression depend on interactions between mycobacterium tuberculosis, host immune system, and genetic and environmental factors. Up to now, many studies have presented the association between TB susceptibility and host genetic polymorphisms, but never regarding CD59 gene, which is an essential complement regulator. This study investigated the relationship between multiple CD59 single nucleotide polymorphisms (SNPs) and susceptibility to TB among Chinese patients. Methods. A case–control study was conducted to investigate the SNPs at CD59 rs1047581, rs7046, rs2231460, rs184251026, rs41275164, rs831633, rs704700, rs41275166, and rs10768024 by sequence-specific primer-polymerase chain reaction (SSP-PCR) in 900 tuberculosis patients and 1,534 controls. Results. The minor allele frequencies at rs2231460, rs184251026, rs41275164, and rs41275166 were extremely low both in the Cases (0.00%–0.61%) and in the Controls (0.07%–0.43%), comparatively at rs1047581, rs7046, rs831633, rs704700, and rs10768024 were notably higher both in the Cases (8.23%–48.39%) and in the Controls (8.57%–47.16%). Among the nine SNPs, only homozygous CC genotype at rs10768024 showed a significant protective effect against TB than homozygous TT genotype (OR(95% CI) = 0.59(0.38, 0.91), χ2 = 5.779,
), and homozygous TT and heterozygous CT genotypes showed a significant risk of TB infection in the recessive model (OR(95% CI) = 1.68(1.10, 2.56), χ2 = 5.769,
). Further analysis verified that rs10768024 CC genotype independently related to TB susceptibility (OR(95% CI) = 0.60(0.39, 0.91), Wald χ2 = 5.664,
) in multivariate logistic regression analysis, and its genetic mutation was independent of the other SNPs (r2 = 0.00–0.20) in haplotype analysis. Conclusions. The first investigation of the CD59 gene and susceptibility to TB suggests a significant risk with homozygous TT and heterozygous CT genotypes at rs10768024 loci. The homozygous CC mutation at rs10768024 loci showed a significant protection against TB susceptibility.
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Affiliation(s)
- Jie Tang
- Department of Laboratory Medicine, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
| | - Zhenzhen Zhao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Juan Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Lin Jiao
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Wenjing Zhou
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Binwu Ying
- Department of Laboratory Medicine, West China Hospital, Sichuan University, Chengdu 610041, China
| | - Yuwei Yang
- Department of Laboratory Medicine, Mianyang Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Mianyang 621000, China
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Chu K, He Y, Li Z, Jiang Z, Wang L, Ji Y, Wang X, Pang W, Sun N, Yang F, Li W. Novel LAT Pathogenic Variants in a POI Family and Its Role in the Ovary. Front Genet 2021; 12:764160. [PMID: 34868246 PMCID: PMC8640088 DOI: 10.3389/fgene.2021.764160] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 10/28/2021] [Indexed: 11/13/2022] Open
Abstract
Premature ovarian insufficiency (POI) affects about 1% of women under 40 years and leads most often to definitive infertility with adverse health outcomes. Genetic factor has been reported to play an important role in POI. However, the genetic etiology remains unknown in the majority of the POI patients. Whole-exome sequencing and variant analysis were carried out in a POI pedigree. In vitro studies of the wild-type and mutant proteins were conducted in primary granulosa cells (GCs) and granulosa cell line. The result showed that the patients carried compound heterozygous nonsynonymous mutations (c.245C > T and c.181C > G) in LAT gene, which were identified to be transmitted from their parents. The two variants were assessed to affect residues that were conserved across different species examined, and were predicted to be deleterious by software predictions. Protein structure predicting result indicated that the two variants could alter their interactions with surrounding residues, which may change the internal structure of the LAT protein. Moreover, LAT protein expression in GCs was demonstrated for the first time, and further functional assays suggested that this mutation could reduce LAT expression and influence GC survival, which may contribute to the etiology of POI. In summary, we detect novel LAT pathogenic variants in a POI pedigree and report for the first time that LAT is present and functional in the GCs of the ovary. Our findings not only shed new light on the role of LAT in GCs, but also broaden the spectrum of genetic causes of POI.
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Affiliation(s)
- Kun Chu
- Center of Reproductive Medicine, Shanghai Key Laboratory of Embryo Original Diseases, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Department of Obstetrics and Gynecology, the PLA Rocket Force Characteristic Medical Center, Beijing, China
| | - Yi He
- Center of Reproductive Medicine, Shanghai Key Laboratory of Embryo Original Diseases, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Department of Obstetrics and Gynecology, No. 905 Hospital of PLA Navy, Shanghai, China
| | - Ziyuan Li
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Zhongxin Jiang
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Liang Wang
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Yixuan Ji
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Xiang Wang
- Department of Obstetrics and Gynecology, No. 905 Hospital of PLA Navy, Shanghai, China
| | - Wenjuan Pang
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Ningxia Sun
- Center of Reproductive Medicine, Changzheng Hospital, Naval Medical University, Shanghai, China
| | - Fu Yang
- Department of Medical Genetics, Naval Medical University, Shanghai, China
| | - Wen Li
- Center of Reproductive Medicine, Shanghai Key Laboratory of Embryo Original Diseases, International Peace Maternity and Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
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Guo X, Tian S, Cao P, Xie Y, Dong W. High Expression of PIGC Predicts Unfavorable Survival in Hepatocellular Carcinoma. J Hepatocell Carcinoma 2021; 8:211-222. [PMID: 33854986 PMCID: PMC8040696 DOI: 10.2147/jhc.s297601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Accepted: 03/08/2021] [Indexed: 12/02/2022] Open
Abstract
Purpose The effects of phosphatidylinositol glycan anchor biosynthesis, class C (PIGC), in the progression of liver cancer are unknown. In this study, we attempted to clarify the clinical significance and mechanism of PIGC in hepatocellular carcinoma (HCC). Patients and Methods To explore the expression profiles, DNA methylation, mutation status, clinical relevance, and prognostic value of PIGC in patients with HCC, a series of bioinformatic databases and websites were searched. Moreover, numerous vitro experiments were performed to investigate the mechanism of PIGC in the regulation of cancerous liver cells. Results Expression of PIGC mRNA and protein was upregulated in cancerous liver specimens compared with normal liver tissues. High expression of PIGC mRNA was related to higher tumor grade, lymphatic metastasis, advanced TNM stage, and TP53 mutation. High expression of PIGC mRNA predicted more unfavorable overall survival (OS) (HR=1.7, P=0.0028) and disease-free survival (DFS) (HR=1.5, P=0.0067) in patients with liver cancer. The mutation rate of PIGC was 10%, and amplification was the most common mutant type. Expression of PIGC mRNA was negatively regulated by its DNA methylation (r=−0.398, P<0.0001). Moreover, silencing of PIGC in HepG2 cell line inhibited the proliferation and migration and led to cell cycle arrest at G0/G1 stage by reducing cyclinD1, CDK2, CDK4, and CDK6 expression, while overexpression of PIGC in Hcclm3 cell line revealed the opposite effect. Conclusion PIGC is related to aggressive clinical features, and overexpression of PIGC signifies worse survival in patients with HCC. PIGC promotes proliferation and migration of cancerous liver cells through the regulation of the cell cycle.
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Affiliation(s)
- Xufeng Guo
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Shan Tian
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Pan Cao
- Department of Infectious Disease, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Yishan Xie
- Department of Oncology, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China
| | - Weiguo Dong
- Department of Gastroenterology, Renmin Hospital of Wuhan University, Wuhan, People's Republic of China
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Tsyganov MM, Ibragimova MK, Pevzner AM, Doroshenko AV, Slonimskaya EM, Litviakov NV. Amplification of Stem Genes: New Potential Metastatic Makers in Patients with an Early Form of Breast Cancer. J Korean Med Sci 2019; 34:e312. [PMID: 31858753 PMCID: PMC6926101 DOI: 10.3346/jkms.2019.34.e312] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Accepted: 09/16/2019] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND According to our previous studies, the presence of amplifications of stem genes can lead to their ectopic expression and this is associated with an increased activity of tumor stem cells in these patients. This leads to a high aggressiveness of the tumor and the development of metastatic disease. The aim was to evaluate the prognostic significance of the presence of amplifications of stem genes and their expression in patients with early breast cancer (BC). METHODS The study included 28 patients with T₁NxM₀ BC. We used surgical specimens, including formalin-fixed paraffin-embedded archive materials, for 8 patients. A microarray analysis was performed on high-density DNA chips from CytoScanHDArray to assess the status of copy number aberration (CNA) of stem genes locus. Gene expression was assessed using RT-qPCR. RESULTS CNA analysis of the studied tumors of patients without chemotherapy showed that 17/18 patients without metastases did not have two or more amplifications of chromosomal regions. Ten patients had visceral metastases. In 9/10 of these patients in the primary tumor there were two or more amplifications of the stem genes locus. Two or more amplifications of stem genes locus were found in 12 patients with stage I. Hematogenous metastases did not develop in all patients. Comparison of metastasis-free survival rates in groups of patients with 1 or without amplifications and with two or more amplifications showed statistically significant differences (P = 0.01). CONCLUSION Our studies have shown that the presence of clones with two or more amplifications of stem gene in patients with BC T₁NxM₀ has a significant prognostic value and determines an unfavorable prognosis for distant metastasis.
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Affiliation(s)
- Matvey M Tsyganov
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences Tomsk, Russian Federation.
| | - Marina K Ibragimova
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences Tomsk, Russian Federation
| | - Alina M Pevzner
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences Tomsk, Russian Federation
| | - Artem V Doroshenko
- Department of General Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russian Federation
| | - Elena M Slonimskaya
- Department of General Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences, Tomsk, Russian Federation
| | - Nikolai V Litviakov
- Department of Experimental Oncology, Cancer Research Institute, Tomsk National Research Medical Center, Russian Academy of Sciences Tomsk, Russian Federation
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Yu J, Murthy V, Liu SL. Relating GPI-Anchored Ly6 Proteins uPAR and CD59 to Viral Infection. Viruses 2019; 11:E1060. [PMID: 31739586 PMCID: PMC6893729 DOI: 10.3390/v11111060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 11/10/2019] [Accepted: 11/12/2019] [Indexed: 12/30/2022] Open
Abstract
The Ly6 (lymphocyte antigen-6)/uPAR (urokinase-type plasminogen activator receptor) superfamily protein is a group of molecules that share limited sequence homology but conserved three-fingered structures. Despite diverse cellular functions, such as in regulating host immunity, cell adhesion, and migration, the physiological roles of these factors in vivo remain poorly characterized. Notably, increasing research has focused on the interplays between Ly6/uPAR proteins and viral pathogens, the results of which have provided new insight into viral entry and virus-host interactions. While LY6E (lymphocyte antigen 6 family member E), one key member of the Ly6E/uPAR-family proteins, has been extensively studied, other members have not been well characterized. Here, we summarize current knowledge of Ly6/uPAR proteins related to viral infection, with a focus on uPAR and CD59. Our goal is to provide an up-to-date view of the Ly6/uPAR-family proteins and associated virus-host interaction and viral pathogenesis.
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Affiliation(s)
- Jingyou Yu
- Center for Retrovirus Research, The Ohio State University, Columbus, OH 43210, USA; (J.Y.); (V.M.)
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA
| | - Vaibhav Murthy
- Center for Retrovirus Research, The Ohio State University, Columbus, OH 43210, USA; (J.Y.); (V.M.)
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA
| | - Shan-Lu Liu
- Center for Retrovirus Research, The Ohio State University, Columbus, OH 43210, USA; (J.Y.); (V.M.)
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA
- Department of Microbial Infection and Immunity, The Ohio State University, Columbus, OH 43210, USA
- Viruses and Emerging Pathogens Program, Infectious Diseases Institute, The Ohio State University, Columbus, OH 43210, USA
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