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Rasool GS, Al-Awadi SJ, Hussien AA, Al-Attar MM. Genetic variation of CYP2C9 gene and its correlation with cardiovascular disease risk factors. Mol Biol Rep 2024; 51:105. [PMID: 38227154 DOI: 10.1007/s11033-023-09151-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 12/13/2023] [Indexed: 01/17/2024]
Abstract
BACKGROUND The major enzyme that is responsible for Sulfonylureas (SUs) metabolism is hepatic cytochrome P-450 2C9 (CYP2C9). It is encoded by the polymorphic gene CYP2C9, which has many allelic variants, among those the CYP2C9*2 and CYP2C9*3 are the most common and clinically significant allelic variations. People with diabetes mellitus type 2 (T2DM) are more likely to develop cardiovascular disease (CVD), and their risk of dying from it is more than two times higher than that of people without the condition. The purpose of this study was to evaluate the association of genetic variations in the CYP2C9 gene with cardiovascular risk factors by investigating CYP2C9*1, *2, *3, *5, *11, and *13 allelic variants. METHODS AND RESULTS A total of 226 participants were enrolled in the current case-control study. Allele-specific amplification- PCR (ASA-PCR) was used to determine the allele of different variations and the results were confirmed by sequencing. The findings of this study showed the presence of the CYP2C9*2 allele in the T2DM group does not differ from its percentage in the control group. Also, CYP2C9*3 allele frequencies identified by Hardy-Weinberg equilibrium (HWE) analysis law were not significant, p = 0.6593 and 0.5828 in T2DM and control groups. There is no statistically significant difference between the control and diabetes groups involving the distribution of CYP2C9 alleles and CYP2C9*5, *11, and *13 polymorphisms were absent in the Iraqi population. No carrier for the CYP2C9*3 homozygous state was found in both groups. CONCLUSIONS According to these results T2DM patients with the CYP2C9*2 and *3 variants have an increased risk of developing hypertension.
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Affiliation(s)
- Ghada S Rasool
- Department of Anatomy, Faculty of Medicine, Ninevah University, Mosul, Iraq
| | - Salwa J Al-Awadi
- Department of Molecular and Medical Genetics Technologies, College of Biotechnology, Al-Nahrain University, Baghdad, Iraq
| | - Asmaa A Hussien
- Department of Molecular and Medical Genetics Technologies, College of Biotechnology, Al-Nahrain University, Baghdad, Iraq
| | - Marwa M Al-Attar
- Department of Biology, College of Science, Mustansiriyah University, Baghdad, Iraq.
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Farajzadeh-Dehkordi M, Samiee-Rad F, Farzam SS, Javadi A, Cheraghi S, Hamedi-Asl D, Rahmani B. Evaluation of a warfarin dosing algorithm including CYP2C9, VKORC1, and CYP4F2 polymorphisms and non-genetic determinants for the Iranian population. Pharmacol Rep 2023; 75:695-704. [PMID: 37039974 DOI: 10.1007/s43440-023-00476-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 04/12/2023]
Abstract
BACKGROUND The response to warfarin, as an oral anticoagulant agent, varies widely among patients from different ethnic groups. In this study, we tried to ascertain and determine the relationship between non-genetic factors and genetic polymorphisms with warfarin therapy; we then proposed a new warfarin dosing prediction algorithm for the estimation of drug sensitivity and resistance in the Iranian population. METHODS Overall, 200 warfarin-treated patients with stable doses were recruited, the demographic and clinical characteristics were documented, and genotyping was done using a sequencing assay. RESULTS The outcomes of our investigation showed that the genetic polymorphisms of VKORC1(-1639 G > A), CYP2C9*3, CYP2C9*2, amiodarone use, and increasing age were found to be related to a significantly lower mean daily warfarin dose. In contrast, the CYP4F2*3 variant and increased body surface area were linked with an increased dose of warfarin in the Iranians. Our descriptive model could describe 56.5% of the variability in response to warfarin. This population-specific dosing model performed slightly better than other previously published warfarin algorithms for our patient's series. Furthermore, our findings provided the suggestion that incorporating the CYP4F2*3 variant into the dosing algorithm could result in a more precise calculation of warfarin dose requirements in the Iranian population. CONCLUSIONS We proposed and validated a population-specific dosing algorithm based on genetic and non-genetic determinants for Iranian patients and evaluated its performance. Accordingly, by using this newly developed algorithm, prescribers could make more informed decisions regarding the treatment of Iranian patients with warfarin.
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Affiliation(s)
- Mahvash Farajzadeh-Dehkordi
- Cellular and Molecular Research Center, Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Molecular Medicine, Faculty of Medical School, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Fatemeh Samiee-Rad
- Cellular and Molecular Research Center, Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Pathology, Faculty of Medical School, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Seyed Saeed Farzam
- Department of Cardiovascular Surgery, Faculty of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Amir Javadi
- Department of Social Sciences, School of Medicine, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Sara Cheraghi
- Institute of Endocrinology and Metabolism, Iran University of Medical Sciences, Tehran, Iran
| | - Dariush Hamedi-Asl
- Cellular and Molecular Research Center, Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Molecular Medicine, Faculty of Medical School, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Babak Rahmani
- Cellular and Molecular Research Center, Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran.
- Department of Molecular Medicine, Faculty of Medical School, Qazvin University of Medical Sciences, Qazvin, Iran.
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Cacabelos R, Naidoo V, Corzo L, Cacabelos N, Carril JC. Genophenotypic Factors and Pharmacogenomics in Adverse Drug Reactions. Int J Mol Sci 2021; 22:ijms222413302. [PMID: 34948113 PMCID: PMC8704264 DOI: 10.3390/ijms222413302] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 12/05/2021] [Accepted: 12/06/2021] [Indexed: 02/06/2023] Open
Abstract
Adverse drug reactions (ADRs) rank as one of the top 10 leading causes of death and illness in developed countries. ADRs show differential features depending upon genotype, age, sex, race, pathology, drug category, route of administration, and drug–drug interactions. Pharmacogenomics (PGx) provides the physician effective clues for optimizing drug efficacy and safety in major problems of health such as cardiovascular disease and associated disorders, cancer and brain disorders. Important aspects to be considered are also the impact of immunopharmacogenomics in cutaneous ADRs as well as the influence of genomic factors associated with COVID-19 and vaccination strategies. Major limitations for the routine use of PGx procedures for ADRs prevention are the lack of education and training in physicians and pharmacists, poor characterization of drug-related PGx, unspecific biomarkers of drug efficacy and toxicity, cost-effectiveness, administrative problems in health organizations, and insufficient regulation for the generalized use of PGx in the clinical setting. The implementation of PGx requires: (i) education of physicians and all other parties involved in the use and benefits of PGx; (ii) prospective studies to demonstrate the benefits of PGx genotyping; (iii) standardization of PGx procedures and development of clinical guidelines; (iv) NGS and microarrays to cover genes with high PGx potential; and (v) new regulations for PGx-related drug development and PGx drug labelling.
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Affiliation(s)
- Ramón Cacabelos
- Department of Genomic Medicine, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Bergondo, 15165 Corunna, Spain
- Correspondence: ; Tel.: +34-981-780-505
| | - Vinogran Naidoo
- Department of Neuroscience, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Bergondo, 15165 Corunna, Spain;
| | - Lola Corzo
- Department of Medical Biochemistry, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Bergondo, 15165 Corunna, Spain;
| | - Natalia Cacabelos
- Department of Medical Documentation, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Bergondo, 15165 Corunna, Spain;
| | - Juan C. Carril
- Departments of Genomics and Pharmacogenomics, International Center of Neuroscience and Genomic Medicine, EuroEspes Biomedical Research Center, Bergondo, 15165 Corunna, Spain;
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Ustare LAT, Reyes KG, Lasac MAG, Brodit SE, Baclig MO. Single nucleotide polymorphisms on CYP2C9 gene among Filipinos and its association with post-operative pain relief via COX-2 inhibitors. INTERNATIONAL JOURNAL OF MOLECULAR EPIDEMIOLOGY AND GENETICS 2020; 11:31-38. [PMID: 33240461 PMCID: PMC7677506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Accepted: 09/29/2020] [Indexed: 06/11/2023]
Abstract
CYP2C9 gene encodes an enzyme involved in the metabolism of a wide variety of drugs which include celecoxib. This study investigated the frequencies of the alleles and genotypes of CYP2C9*1, CYP2C9*2, and CYP2C9*3 among Filipinos who underwent surgery, and to determine the association of CYP2C9 polymorphisms with post-operative pain relief via COX-2 inhibitors. Response to celecoxib was determined using the numerical rating scale (0-10) on the 24th and 48th hour of surgery. The CYP2C9 alleles were detected by real-time PCR. For CYP2C9*1 and CYP2C9*3, the allele frequencies among Filipinos were 99% and 1% respectively, which is similar with other East Asians. CYP2C9*2 alleles were not detected. The frequencies of CYP2C9*1/*1 and CYP2C9*1/*3 genotypes were 98% and 2% respectively. At 24 hours post-surgery, the average pain score was 2.57 ± 1.03, while on 48 hours post-surgery, the average pain score was 0.67 ± 0.61 among those who have the wild-type CYP2C9*1 allele. The average pain score on the 24th and 48th hour post-operatively was observed to be 2.5 ± 0.71 and 0.5 ± 0.71 respectively among two patients classified as intermediate metabolizer carrying the CYP2C9*1/*3 genotype. Low frequencies of CYP2C9 polymorphisms were observed in the present study, this pattern was similar with other Asians except Indians, and considerably lower than Caucasians. Our results suggest that CYP2C9 genotyping is not routinely needed for Filipinos but must be considered among mixed races. Consequently, a more personalized therapeutic strategy was derived from these data, resulting in good clinical outcomes and less adverse drug effects.
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Affiliation(s)
- Leland Arden T Ustare
- Department of Anesthesiology, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
| | - Karen G Reyes
- Research and Biotechnology, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
| | - Marie Angelica G Lasac
- Department of Anesthesiology, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
| | - Salvador E Brodit
- Department of Anesthesiology, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
- Pain Management Center, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
| | - Michael O Baclig
- Research and Biotechnology, St. Luke’s Medical Center279 E. Rodriguez Sr. Blvd., Quezon 1112, Philippines
- St. Luke’s Medical Center College of Medicine-William H. Quasha Memorial, Cathedral Heights ComplexE. Rodriguez Sr. Blvd., Quezon, 1112, Philippines
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Varshney E, Tandon M, Saha N, Ali S. In vivo phenotyping of cytochrome 450 isoforms involved in the metabolism of anti-HIV and anti-tubercular drugs in human using cocktail approach: An LC-MS/MS analysis. J Pharm Biomed Anal 2018; 164:698-705. [PMID: 30472588 DOI: 10.1016/j.jpba.2018.11.026] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 09/25/2018] [Accepted: 11/11/2018] [Indexed: 12/27/2022]
Abstract
PURPOSE In vivo phenotyping of CYP isoforms involved in the metabolism of anti-HIV and antitubercular drugs is important to determine therapeutic dose levels in HIV/AIDS-TB coinfections. In this study, we used a cocktail of bupropion, losartan and dapsone for in vivo phenotyping of CYP2B6, CYP2C9 and N-acetyltransferase-2 (NAT2) in plasma. CYP2B6 is the main catalyst of anti-HIV efavirenz, while NAT2 is involved in antitubercular drug isoniazid metabolism. CYP2C9 has a significant association with antitubercular drug-induced reactions. The activity level of these isoforms has a significant bearing on therapeutic dose in rapid and poor metabolizers. METHODS Briefly, a cocktail of probe drugs was administered to human volunteers and the drugs and metabolites were determined by an inhouse LC-MS/MS method in 250 μl plasma. The mobile phase and drug/metabolite extraction methods were optimized before analysis. Retention time, Cmax and tmax were calculated from the same sample and the values were used for phenotyping the isoforms. RESULTS Retention time of drugs and metabolites was calculated. The method was sensitive (4.5-8.2 %CV) and no interfering peak was observed in any batch. %Accuracy of the calibrator and QC was 85-115%. %CV of storage stability testing was within FDA approved limits. Cmax and tmax were comparable to the values reported for individual drugs. CONCLUSIONS This study advocates the use of a cocktail of bupropion, losartan and dapsone for in vivo phenotyping of CYP2B6, CYP2C9 and NAT2, which is important in determining therapeutic dose levels of anti-HIV and anti-TB drugs in HIV/AIDS-TB coinfections.
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Affiliation(s)
- Ekta Varshney
- Department of Biochemistry, School of Chemical and Life Science, Jamia Hamdard (Deemed University), Hamdard Nagar, New Delhi, 110062, India
| | - Monika Tandon
- Clinical Pharmacology Unit of Ranbaxy Laboratories Limited at Jamia Hamdard, India
| | - Nilanjan Saha
- Clinical Pharmacology Unit of Ranbaxy Laboratories Limited at Jamia Hamdard, India
| | - Shakir Ali
- Department of Biochemistry, School of Chemical and Life Science, Jamia Hamdard (Deemed University), Hamdard Nagar, New Delhi, 110062, India.
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