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Cazarez-Navarro G, Palomares-Marín J, Rodríguez-Preciado SY, Pereira-Suárez AL, Martínez-López E, Bacilio-Medrano EA, Huerta-Olvera S, Hernández-Cañaveral II. Association of TAP1 1177A>G and 2090A>G gene polymorphisms with latent tuberculosis infections in sheltered populations, in the metropolitan area of Guadalajara, Mexico: a pilot study. Rev Inst Med Trop Sao Paulo 2021; 63:e55. [PMID: 34231820 PMCID: PMC8266304 DOI: 10.1590/s1678-9946202163055] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2021] [Accepted: 05/26/2021] [Indexed: 11/21/2022] Open
Abstract
Latent tuberculosis infection (LTBI) is a condition that has no clinical signs and symptoms. LTBI patients are characterized by persistent immune responses to Mycobacterium tuberculosis, and approximately 5-10% of these infected individuals will develop active TB at some point in their lives. The antigen transporter associated with antigen processing (TAP1) is a protein involved in the transport of the antigen from the cytoplasm to the endoplasmic reticulum by means of the association with MHC class I molecules. It plays a fundamental role in the immune response, promoting the clearance of intracellular pathogens. Our pilot study aimed to determine the association between TAP1 gene 1177A>G (rs1057141) and 2090A>G (rs1135216) genetic polymorphisms with susceptibility to LTBI. In this case-control study, 153 individuals from shelters were analyzed (46 were LTBI-positive and 92 were controls). Genotyping of the rs11352216 (2090A>G) and rs1057141 (1177A>G) gene IDs was performed using the Applied Biosystems Step One Thermal Cycler Real-Time PCR allelic discrimination technology. The haplotypic analyses were performed with the Arlequin 3.5 program. Social assistance centers and shelters that serve vulnerable populations represent high-risk sites due to overcrowding and the impaired nutritional status of their residents. The G allele (OR=1.99, CI=1.109-3.587, p=0.021) and the GG genotype of rs11352216 (A>G) were associated with susceptibility to LTBI, according to the codominant genetic model (OR=8.32, CI=1.722-61.98, p=0.007). The rs1057141 (A>G) polymorphism was not associated with LTBI risk. The results suggest that carriers of the G allele of rs1135216 (A>G) are susceptible to LTBI.
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Affiliation(s)
- Gerardo Cazarez-Navarro
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud Guadalajara, Departamento de Microbiología y Patología, Guadalajara, Jalisco, Mexico
| | - Jaime Palomares-Marín
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud Guadalajara, Departamento de Microbiología y Patología, Guadalajara, Jalisco, Mexico
| | - Sergio Yair Rodríguez-Preciado
- Universidad de Guadalajara, Centro Universitario de los Valles, Departamento de Ciencias de la Salud, Ameca, Jalisco, Mexico
| | - Ana Laura Pereira-Suárez
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud Guadalajara, Departamento de Microbiología y Patología, Guadalajara, Jalisco, Mexico
| | - Erika Martínez-López
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud, Departamento de Biología Molecular y Genómica, Guadalajara, Jalisco, Mexico
| | | | - Selene Huerta-Olvera
- Universidad de Guadalajara, Centro Universitario de la Ciénega, Departamento de Ciencias Médicas y de la Vida, Ocotlán, Jalisco, Mexico
| | - Iván Isidro Hernández-Cañaveral
- Universidad de Guadalajara, Centro Universitario de Ciencias de la Salud Guadalajara, Departamento de Microbiología y Patología, Guadalajara, Jalisco, Mexico
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Yang J, Liu W, Yan Z, Li C, Liu S, Yang X, Li Y, Shi L, Yao Y. Polymorphisms in transporter associated with antigen presenting are associated with cervical intraepithelial neoplasia and cervical cancer in a Chinese Han population. HLA 2021; 98:23-36. [PMID: 34050605 DOI: 10.1111/tan.14333] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 05/14/2021] [Accepted: 05/25/2021] [Indexed: 12/13/2022]
Abstract
The host immune system plays an important role in infectious diseases and cancers. The heterodimer formed by transporter associated with antigen presenting (TAP)1 and TAP2 is responsible for intracellular peptide loading onto MHC-I molecules. Studies have shown that single-nucleotide polymorphisms (SNPs) in TAP genes might affect the expression and function of TAP and be associated with cancer risk. We aimed to investigate the association of SNPs in the TAP1 and TAP2 genes with cervical intraepithelial neoplasia (CIN) and cervical cancer (CC) in a Chinese Han population. Six SNPs in the TAP1 gene and seven in the TAP2 gene were selected. The 13 SNPs were genotyped in 1255 healthy individuals, 575 patients with CIN and 1034 patients with CC using the SNaPshot assay. The association between these SNPs and CIN and CC risk was analysed. The allelic and genotypic distributions of rs41549617 and rs1135216 showed significant differences between the control and CC groups (P < 0.0038). The T allele of rs41549617 was associated with a decreased risk of CC (OR = 0.476, 95%CI: 0.286-0.791). Moreover, the G allele of rs1135216 appears to be associated with a decreased risk of CC (OR = 0.746; 95%CI: 0.632-0.881). The allele and genotype distribution of rs241441 showed a significant difference between the control and CC groups (P < 0.0038), and the rs241441 G allele was associated with an increased risk of CC (OR = 1.232, 95%CI: 1.092-1.398). In addition, the results of the association between TAP alleles and CC showed that TAP1*020101 and TAP1*0301 have an association with CC (P = 0.001 and P = 0.002, respectively). Our results demonstrate that the TAP1 and TAP2 genes are associated with CC in the Chinese Han population.
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Affiliation(s)
- Jia Yang
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Weipeng Liu
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Zhiling Yan
- Department of Gynaecologic Oncology, The 3rd Affiliated Hospital of Kunming Medical University, Kunming, China
| | - Chuanyin Li
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Shuyuan Liu
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Xi Yang
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Yu Li
- Department of Obstetrics, The First People's Hospital of Kunming, Kunming, China
| | - Li Shi
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
| | - Yufeng Yao
- Department of Immunogenetics, Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College, Kunming, China
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Palomares-Marin J, Govea-Camacho LH, Araujo-Caballero V, Cazarez-Navarro G, Rodriguez-Preciado SY, Ortiz-Hernandez E, Martinez-Lopez E, Muñoz-Valle JF, Hernandez-Cañaveral II. Association between the TAP1 gene polymorphisms and recurrent respiratory papillomatosis in patients from Western Mexico: A pilot study. J Clin Lab Anal 2021; 35:e23712. [PMID: 33507546 PMCID: PMC8059727 DOI: 10.1002/jcla.23712] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 01/08/2021] [Accepted: 01/09/2021] [Indexed: 02/05/2023] Open
Abstract
Background Recurrent respiratory papillomatosis (RRP) is a respiratory tract disease that affects children and adults and is characterized by the recurrent proliferation of multiple papillomas. The etiologic agent is the human papillomavirus, mainly genotypes 6 and 11. Furthermore, polymorphisms in TAP1 appear to influence the selection of antigenic peptides and the transport process to the rough endoplasmic reticulum, for their subsequent presentation to T lymphocytes, an essential process against viral diseases and tumor processes. Previous studies have shown that individuals with those polymorphisms are susceptible to immune, infectious, and tumor‐related diseases. The present study aimed to determine the association between the TAP1 rs1057141 (c.1177A>G) and rs1135216 (c.2090A>G) single nucleotide polymorphisms (SNPs) and RRP. Methods A case–control study was carried out on a group of 70 individuals (35 controls and 35 patients). RRP diagnosis, HPV genotyping, and viral load were determined through histology and PCR. SNPs rs1057141 and rs1135216 were identified through allelic discrimination, using real‐time PCR. The haplotypic analyses were performed using the Arlequin 3.5 program. Results HPV‐6 and HPV‐11 were the genotypes found in the samples. In the polymorphism analysis, rs1057141 showed no significant differences (p = 0.049, CI = 0.994–7.331). In contrast, a significant difference was found in rs1135216 (p = 0.039, OR = 2.4) in the allelic analysis, as well as in the dominant (p = 0.027, OR = 3.06), codominant (p = 0.033, OR = 3.06), and additive model (p = 0.043, OR = 2.505) in subjects with the G allele. Conclusion The G allele in rs1135216 was associated with a genetic risk of susceptibility for RRP in a population in Western Mexico.
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Affiliation(s)
- Jaime Palomares-Marin
- Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Luis Humberto Govea-Camacho
- Servicio de Otorrinolaringología, Cabeza y uello, Centro Médico Nacional de Occidente, IMSS, Guadalajara, México
| | - Vania Araujo-Caballero
- Servicio de Otorrinolaringología, Cabeza y uello, Centro Médico Nacional de Occidente, IMSS, Guadalajara, México
| | - Gerardo Cazarez-Navarro
- Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Sergio Yair Rodriguez-Preciado
- Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Enrique Ortiz-Hernandez
- Servicio de Otorrinolaringología, Hospital Civil de Guadalajara Fray Antonio Alcalde, Guadalajara, México
| | - Erika Martinez-Lopez
- Departamento de Biología Molecular y Genómica, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
| | - Jose Francisco Muñoz-Valle
- Instituto de Investigación en Ciencias Biomédicas, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Mexico
| | - Ivan Isidro Hernandez-Cañaveral
- Departamento de Microbiología y Patología, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, México
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No association of TAP and LMP genetic polymorphism in human brucellosis and its complications. Hum Immunol 2010; 71:708-11. [DOI: 10.1016/j.humimm.2010.05.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2009] [Revised: 04/26/2010] [Accepted: 05/05/2010] [Indexed: 11/17/2022]
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Feng ML, Yin B, Shen T, Huang H, Zheng JW, Qian KC, Liu DZ. Determination of TAP1 and TAP2 polymorphism in the Chinese Han population by real-time TaqMan polymerase chain reaction. TISSUE ANTIGENS 2008; 72:441-7. [PMID: 18764808 DOI: 10.1111/j.1399-0039.2008.01121.x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The heterodimeric transporter associated with antigen processing (TAP) complex plays a key role in immune surveillance. TAP1 and TAP2 typing was usually performed by polymerase chain reaction (PCR)-restriction fragment length polymorphism and PCR-sequence-specific oligonucleotide probe. As an alternative to these methods, we have established TaqMan assays to determine the frequencies of the TAP1 and TAP2 alleles. We have used these new TaqMan assays to genotype the polymorphisms in 339 unrelated Chinese Hans residing in North and South China. We detected five TAP1 and four TAP2 alleles. All the loci conform to the Hardy-Weinberg expectations. The most frequent alleles in Chinese Hans were TAP1*0101 (79.79%) and TAP2*0101 (82.74%). The two-locus haplotype analysis showed highly significant positive linkage disequilibrium for one TAP1-TAP2 haplotype (TAP1*020101-TAP2*0102), three TAP1-DRB1 haplotypes (TAP1*020101-DRB1*03, TAP1*020102-DRB1*13, and TAP1*0301-DRB1*16), and three TAP2-DRB1 haplotypes (TAP2*0102-DRB1*09, TAP2*0103-DRB1*04, and TAP2*0201-DRB1*01). The three-locus haplotype analysis showed highly significant positive linkage disequilibrium for TAP1*0101-TAP2*0101-DRB1*07, TAP1*0101-TAP2*0103-DRB1*04, TAP1*020101-TAP2*0101-DRB1*03, and TAP1*020101-TAP2*0102-DRB1*13. Comparison of the allele frequencies with those of other populations showed that the TAP1 allele distribution was very similar in all the groups, except for the Guarani, Kaingang, and Anatolian populations, but TAP2 distribution was significantly different from that of the other populations. The new TaqMan method provides relatively accurate, high-resolution, simple, and fast assays for TAP genotyping.
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Affiliation(s)
- M L Feng
- Shanghai Blood Center, Shanghai, China
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Transporter associated with antigen processing (TAP) 1 gene polymorphisms in patients with hypersensitivity pneumonitis. Exp Mol Pathol 2008; 84:173-7. [PMID: 18342853 DOI: 10.1016/j.yexmp.2008.01.002] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2008] [Accepted: 01/22/2008] [Indexed: 11/23/2022]
Abstract
Hypersensitivity pneumonitis (HP) is a lung inflammatory disease caused by the inhalation of a variety of antigens. Previous studies support the role of the major histocompatibility complex (MHC) class II genes in the susceptibility to develop HP. However, the putative role of other MHC loci has not been elucidated. Transporters associated with antigen processing (TAP) genes are located within the MHC class II region and play an important role transporting peptides across the endoplasmic reticulum membrane for MHC class I molecules assembly. The distribution of single nucleotide polymorphisms (SNPs) in TAP1 genes was analyzed in 73 hypersensitivity pneumonitis (HP) patients and 58 normal subjects. We found a significant association of the allele Gly-637 (GGC) (p=0.00004, OR=27.30, CI=3.87-548.04) and the genotypes Asp-637/Gly-637 (p=0.01, OR=16.0, CI=2.19-631.21), Pro-661/Pro-661 (p=0.006, OR=11.30, CI=2.28-75.77) with HP. A significant decrease in the frequency of the allele Pro-661 (CCA) (p=0.008, OR=0.06, CI=0-0.45), the genotype Asp-637/Asp-637 (p=0.01, OR=0.17, 95% CI=0.05-0.58) and the haplotype [Val-333 (GTC), Val-458 (GTG), Gly-637 (GGC), Pro-661 (CCA)] was detected in HP patients compared with controls (p=0.002, OR=0.07, CI=0.0-0.57). These findings suggest that TAP1 gene polymorphisms are related to HP risk, and highlight the importance of the MHC in the development of this disease.
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Alvarado-Guerri R, Cabrera CM, Garrido F, López-Nevot MA. TAP1 and TAP2 polymorphisms and their linkage disequilibrium with HLA-DR, -DP, and -DQ in an eastern Andalusian population. Hum Immunol 2005; 66:921-30. [PMID: 16216677 DOI: 10.1016/j.humimm.2005.06.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2005] [Indexed: 11/20/2022]
Abstract
Transporter associated with antigen processing (TAP) molecules are involved in the processing of endogenous peptides that bind to major histocompatibility complex (MHC) class I molecules. The possible functional significance of TAP polymorphisms for antigenic peptide transport is an unresolved issue. Population genetics is a tool for investigating the evolutionary and functional significance of genetic polymorphisms. We studied 105 unrelated individuals from Eastern Andalusia in Southern Spain for TAP1 and TAP2 polymorphisms and to detect linkage disequilibrium between TAP1 and TAP2 and between TAP1/TAP2 and human lymphocyte antigen (HLA) DR, DP, and DQ genes. HLA-DR, -DQ, -DP, and TAP1 loci were genotyped with the polymerase chain reaction (PCR)-sequence-specific oligonucleotide method, and TAP2 genes were typed by using the amplification-refractory mutation system-PCR technique. The alleles TAP1*D (3.3%), TAP2*D (2.4%), and TAP2*E (2.9%) were present in the Eastern Andalusian population but not in the general Spanish population. No evidence of linkage disequilibrium was found between TAP1 and TAP2 or between the TAP genes and HLA-DR, -DP, and -DQ in the Eastern Andalusian population. These results are consistent with the absence of coevolution between TAP and MHC class II genes and the hypothesis of selective neutrality.
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Affiliation(s)
- Rocío Alvarado-Guerri
- Servicio de Análisis Clínicos e Inmunología, Hospital Universitario Virgen de las Nieves, Universidad de Granada, Granada, Spain
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Abstract
The transporter associated with antigen processing (TAP) is a member of the ATP-binding cassette transporter family that specializes in delivering cytosolic peptides to class I molecules in the endoplasmic reticulum. The TAP is a major target of genetic alteration in tumours and disruption by viral inhibitors. In some species, TAP genes have co-evolved with MHC class I molecules to deliver peptides that are customised for particular alleles. In humans, MHC class I polymorphism determines the level of tapasin-mediated association with TAP and subsequent peptide optimisation within the peptide-loading complex (PLC). MHC class I molecules that still load peptides without complexing to the TAP might be more resistant to viral interference of the PLC and less sensitive to competition for TAP by other class I allotypes.
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Affiliation(s)
- James McCluskey
- Department of Microbiology and Immunology, The University of Melbourne, Victoria, Australia.
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