Article ; Online: Proximal tubular dysfunction related to tenofovir in people living with HIV/AIDS: a pharmacogenetic study.
2022 Volume 32, Issue 9, Page(s) 293–300
Abstract: Objectives: The purpose of this case-control study was to verify the association between single nucleotide polymorphisms (SNPs) in genes encoding drug transporters related to tenofovir disoproxil fumarate (TDF) and proximal renal tubular dysfunction ( ... ...
| Abstract | Objectives: The purpose of this case-control study was to verify the association between single nucleotide polymorphisms (SNPs) in genes encoding drug transporters related to tenofovir disoproxil fumarate (TDF) and proximal renal tubular dysfunction (PRTD), and the association between PRTD and clinical characteristics. Methods: The 'cases' met the diagnostic criteria for PRTD, determined by the presence of two or more of the following abnormalities: non-diabetic glycosuria, metabolic acidosis, increased uric acid and phosphorus excretion, decreased tubular phosphorus reabsorption and β2-microglobulinuria. We analyzed eight SNPs in ABCC2, ABCC4, ABCC10 and SLC28A2 genes. Genotyping was performed using real-time PCR. Results: Of the 204 people living with HIV, 38 (18.6%) met the criteria for diagnosis of PRTD and 131 were male (64.2%), with a mean age of 49 years and a history of previous antiretroviral therapy for an average of 5 years. In the multivariate analysis, older individuals, TDF use, protease inhibitor, antihypertensives and anticonvulsants were associated with a risk of developing PRTD. Increased excretion of β2microglobulin was associated with the A/G genotype of rsCC8187710 from ABCC2 ( P = 0.003) and the following genotypes of ABCC4 SNPs: A/G from rs1059751 ( P = 0.023), G/G from rs1059751 ( P = 0.030) and C/C of rs3742106 ( P = 0.041). The increase in the fraction of excreted phosphorus was associated with the C/T genotype of SNCC rsP40037 from ABCC2 ( P = 0.0041). Conclusions: The results indicate an important relationship between SNPs associated with these markers and changes in proximal renal tubule function, and thus support their use as biomarkers for the early detection of PRTD risk. |
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| MeSH term(s) | Male ; Humans ; Middle Aged ; Female ; Tenofovir/adverse effects ; Anti-HIV Agents/adverse effects ; Acquired Immunodeficiency Syndrome/drug therapy ; Pharmacogenomic Testing ; Case-Control Studies ; HIV Infections/drug therapy ; HIV Infections/genetics ; Multidrug Resistance-Associated Protein 2 ; Phosphorus/therapeutic use | |||||
| Chemical Substances | Tenofovir (99YXE507IL) ; Anti-HIV Agents ; Multidrug Resistance-Associated Protein 2 ; Phosphorus (27YLU75U4W) | |||||
| Language | English | |||||
| Publishing date | 2022-10-13 | |||||
| Publishing country | United States | |||||
| Document type | Journal Article ; Research Support, Non-U.S. Gov't | |||||
| ZDB-ID | 2175826-8 | |||||
| ISSN | 1744-6880 ; 0960-314X ; 1744-6872 | |||||
| ISSN (online) | 1744-6880 | |||||
| ISSN | 0960-314X ; 1744-6872 | |||||
| DOI | 10.1097/FPC.0000000000000482 | |||||
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| Database | MEDical Literature Analysis and Retrieval System OnLINE |
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