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Ramalingam R, Kaur H, Scott JX, Sneha LM, Arunkumar G, Srinivasan A, Paul SFD. Evaluation of cytogenetic and molecular markers with MTX-mediated toxicity in pediatric acute lymphoblastic leukemia patients. Cancer Chemother Pharmacol 2022; 89:393-400. [PMID: 35157101 DOI: 10.1007/s00280-022-04405-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 01/31/2022] [Indexed: 01/29/2023]
Abstract
PURPOSE Pediatric acute lymphoblastic leukemia (pALL) patients have better overall survival and methotrexate (MTX) is an effective drug used in their treatment. However, the treatment-related adverse effects (TRAEs) have a bigger impact on the therapy. In this study, we have evaluated the association of polymorphisms in genes encoding proteins engaged in MTX metabolism, and the cytogenetic aberrations with TRAEs. METHODS A total of 115 patients between the age of 1 and 18 years (average: 6.6) under maintenance therapy were selected for the study. SLC19A1 (c.80G > A), MTHFR (c.677C > T; c.1298A > C), and TYMS (c.*450_*455del) genotypes were determined using PCR techniques and Sanger sequencing. Cytogenetic and SNP findings were analyzed for any association with the reported toxicities using odds ratio, chi-square test, multifactor dimensionality reduction (MDR) analysis for synergistic effect and, multinomial logistic regression analysis for the likelihood of adverse events. RESULTS Among the evaluated genetic variations, SLC19A1 (c.80G > A) was significantly associated with TRAEs (OR = 5.71, p = 0.002). Multinomial logistic regression analysis (chi-sq = 16.64, p < 0.001) and MDR analysis (chi-sq = 10.51 p < 0.001) confirmed the finding. On the other hand, no significant association was observed between adverse events and any specific cytogenetic aberration. CONCLUSION SLC19A1 facilitates the import of cyclic dinucleotides and reduced folates, evaluating genotypes in this gene can help in better management of patients on methotrexate treatment. Assessing a broader gene panel can help in finding more associated markers and delivering personalized medicine to the patients.
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Affiliation(s)
- Ravi Ramalingam
- Department of Human Genetics, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Harpreet Kaur
- Department of Human Genetics, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Julius Xavier Scott
- Department of Pediatric Oncology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | - Latha M Sneha
- Department of Pediatric Oncology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India
| | | | - Arathi Srinivasan
- Department of Pediatric Oncology, Kanchi Kamakoti Child Trust Hospital, Chennai, Tamil Nadu, India
| | - Solomon F D Paul
- Department of Human Genetics, Faculty of Biomedical Sciences and Technology, Sri Ramachandra Institute of Higher Education and Research, Chennai, India.
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Ramalingam R, Kaur H, Scott JX, Sneha LM, Arun Kumar GP, Srinivasan A, Paul SF. Pharmacogenetic evaluation of 6-mercaptopurine-mediated toxicity in pediatric acute lymphoblastic leukemia patients from a South Indian population. Pharmacogenomics 2021; 22:401-411. [PMID: 33876659 DOI: 10.2217/pgs-2020-0193] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Aim: To evaluate the variants in the genes coding for the proteins involved in thiopurine and folate metabolism with treatment related adverse effects (TRAEs). Materials & methods: Eleven variants in seven candidate genes were genotyped in 127 pediatric acute lymphoblastic leukemia patients under 6-mercaptopurine (6-MP) treatment to infer the association of selected genotypes with TRAEs. Results: Among the genotypes inspected, NUDT15 (c.415C>T) and SLC19A1 (c.80G>A) showed a significant association with the TRAEs (odds ratio = 4.01, p = 0.002 and odds ratio = 7.78, p = 0.002). Conclusion: SLC19A1 and NUDT15 play an important role in the metabolism of 6-MP and it is necessary to spot other variants in associated pathways and investigate the factors that can impact 6-MP metabolism.
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Affiliation(s)
- Ravi Ramalingam
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education & Research, Chennai, India
| | - Harpreet Kaur
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education & Research, Chennai, India
| | - Julius Xavier Scott
- Department of Pediatric Oncology, Sri Ramachandra Institute of Higher Education & Research, Chennai, India
| | - Latha M Sneha
- Department of Pediatric Oncology, Sri Ramachandra Institute of Higher Education & Research, Chennai, India
| | | | - Arathi Srinivasan
- Department of Pediatric Oncology, Kanchi Kamakoti Child Trust Hospital, Chennai, Tamil Nadu, India
| | - Solomon Fd Paul
- Department of Human Genetics, Sri Ramachandra Institute of Higher Education & Research, Chennai, India
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Sultana R, Choudhury SS, Bose S, Tiwari D, Bharali A, Kakoty SD. Increased homocysteine expression associated with genetic changes in the folate pathway as a key determinant of preeclampsia: A prospective study from lower Assam, India. Meta Gene 2020. [DOI: 10.1016/j.mgene.2020.100775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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Liu C, Luo D, Wang Q, Ma Y, Ping L, Wu T, Tang J, Peng D, PingZhao. Serum homocysteine and folate concentrations in early pregnancy and subsequent events of adverse pregnancy outcome: the Sichuan Homocysteine study. BMC Pregnancy Childbirth 2020; 20:176. [PMID: 32188414 PMCID: PMC7081627 DOI: 10.1186/s12884-020-02860-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2019] [Accepted: 03/06/2020] [Indexed: 02/08/2023] Open
Abstract
Background Hyperhomocysteinemia may be a risk factor for endothelial dysfunction. Folate and vitamin B12 regulate the homocysteine metabolic process. This study aimed to evaluate the associations between subsequent events of adverse pregnancy outcome and early variables of homocysteine, folate, and vitamin B12 in pregnant women. Methods This multicenter, retrospective, case–control study involved 563 pregnant women with adverse pregnancy outcome and 600 controls. Adverse pregnancy outcomes included one or more of the following events: preeclampsia, preterm birth, low birth weight, and stillbirth. The associations between subsequent events of adverse pregnancy outcome and early variables of homocysteine, folate, and vitamin B12; metabolic parameters; inflammatory markers; anthropometrics; and lifestyle habits at 11–12 weeks of gestation were analyzed using the logistic regression model. Results Compared to the lower quartile homocysteine concentrations, the upper quartile homocysteine concentrations were associated with preeclampsia, preterm birth and low birth weight. On the contrary, the lower quartile folate concentrations were associated with preeclampsia, preterm birth and low birth weight compared with the upper quartile folate concentrations. The incidence of adverse pregnancy outcome increased progressively from the first to fourth homocysteine quartiles but decreased progressively from the first to fourth folate quartiles. After adjusting for confounding factors, multivariate logistic regression analysis showed that besides systolic blood pressure, diastolic blood pressure, body mass index and age, homocysteine (IV vs I quartile, aOR 5.89, 95% CI 4.08–8.51, P < 0.001), folate (IV vs I quartile, aOR 0.35, 95% CI 0.25–0.50, P < 0.001), folate supplementation (yes vs no, aOR 0.55, 95% CI 0.35–0.86, P = 0.010) during early pregnancy were independently associated with subsequent events of adverse pregnancy outcome, and vitamin B12 was rejected. Of these, the homocysteine revealed the highest odds ratio in all risk variables, and folate showed the lowest odds ratio in all protective variables. Conclusions Higher homocysteine concentration and lower folate level during early pregnancy were associated with adverse pregnancy outcome. However, no association was found between vitamin B12 and adverse pregnancy outcome. Supplementation with folate in early pregnancy may reduce adverse pregnancy outcome.
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Affiliation(s)
- Chenggui Liu
- Department of Clinical Laboratory, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China. .,, Chengdu, China.
| | - Dan Luo
- Department of Obstetrics, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Qin Wang
- Department of Clinical Laboratory, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Yan Ma
- Department of Pediatrics, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Longyu Ping
- Department of Clinical Laboratory, Mianyang Hospital of Traditional Chinese Medicine, Mianyang, 621000, China
| | - Ting Wu
- Department of Nutrition, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Jian Tang
- Department of Clinical Laboratory, Chengdu Women's and Children's Central Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Duanliang Peng
- Department of Clinical Laboratory, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - PingZhao
- Department of Obstetrics and Gynecology, Mianyang Hospital of Traditional Chinese Medicine, Mianyang, 621000, China
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