Association study of BDNF Val66Met gene polymorphism with bipolar disorder and lithium treatment response in Indian population
BACKGROUND: The association of the Val66Met (rs6265) polymorphism in the brain-derived neurotrophic factor (BDNF) gene with bipolar disorder (BD) and response to lithium treatment has been suggested, though inconsistently. The considerable diversity of allele frequency across different populations contributes to this. There is no data from South Asia till date. Hence, we examined the association of this polymorphism in BD cases from India, and its association with lithium treatment response.
METHODS: BD patients (N = 301) were recruited from the clinical services of National Institute of Mental Health and Neurosciences (NIMHANS), India. Lithium treatment response for 190 BD subjects was assessed using Alda scale by NIMH life charts. Patients with total score ⩾7 were defined as lithium responders (N = 115) and patients with score <7 were defined as lithium non-responders (N = 75). Healthy controls (N = 484) with no lifetime history of neuropsychiatric illness or a family history of mental illness were recruited as control set. Genotyping was performed by TaqMan genotyping assay.
RESULTS: Genotype and allele frequency of BDNF Val66Met SNP was significantly different (χ2 = 7.78, p = 0.02) in cases compared to controls, and the Val(G) allele was more frequent (χ2 = 7.08, p = 0.008) in BD patients. However, no significant difference is noted in genotype or allele frequencies of this polymorphism between the lithium responders and non-responders.
CONCLUSIONS: The Val(G) allele of BDNF Val66Met polymorphism is associated with risk of BD in this sample, but it is not related to response to lithium.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2021 |
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| Erschienen: |
2021 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:35 |
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| Enthalten in: |
Journal of psychopharmacology (Oxford, England) - 35(2021), 12 vom: 31. Dez., Seite 1510-1516 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Paul, Pradip [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 21.02.2022 Date Revised 21.02.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1177/02698811211032609 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM328563889 |
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| 100 | 1 | |a Paul, Pradip |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Association study of BDNF Val66Met gene polymorphism with bipolar disorder and lithium treatment response in Indian population |
| 264 | 1 | |c 2021 | |
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| 500 | |a Date Revised 21.02.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a BACKGROUND: The association of the Val66Met (rs6265) polymorphism in the brain-derived neurotrophic factor (BDNF) gene with bipolar disorder (BD) and response to lithium treatment has been suggested, though inconsistently. The considerable diversity of allele frequency across different populations contributes to this. There is no data from South Asia till date. Hence, we examined the association of this polymorphism in BD cases from India, and its association with lithium treatment response | ||
| 520 | |a METHODS: BD patients (N = 301) were recruited from the clinical services of National Institute of Mental Health and Neurosciences (NIMHANS), India. Lithium treatment response for 190 BD subjects was assessed using Alda scale by NIMH life charts. Patients with total score ⩾7 were defined as lithium responders (N = 115) and patients with score <7 were defined as lithium non-responders (N = 75). Healthy controls (N = 484) with no lifetime history of neuropsychiatric illness or a family history of mental illness were recruited as control set. Genotyping was performed by TaqMan genotyping assay | ||
| 520 | |a RESULTS: Genotype and allele frequency of BDNF Val66Met SNP was significantly different (χ2 = 7.78, p = 0.02) in cases compared to controls, and the Val(G) allele was more frequent (χ2 = 7.08, p = 0.008) in BD patients. However, no significant difference is noted in genotype or allele frequencies of this polymorphism between the lithium responders and non-responders | ||
| 520 | |a CONCLUSIONS: The Val(G) allele of BDNF Val66Met polymorphism is associated with risk of BD in this sample, but it is not related to response to lithium | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a BDNF | |
| 650 | 4 | |a Bipolar disorder | |
| 650 | 4 | |a Val66Met polymorphism | |
| 650 | 4 | |a lithium response | |
| 650 | 7 | |a Antimanic Agents |2 NLM | |
| 650 | 7 | |a Brain-Derived Neurotrophic Factor |2 NLM | |
| 650 | 7 | |a Lithium Compounds |2 NLM | |
| 650 | 7 | |a BDNF protein, human |2 NLM | |
| 650 | 7 | |a 7171WSG8A2 |2 NLM | |
| 700 | 1 | |a Nadella, Ravi Kumar |e verfasserin |4 aut | |
| 700 | 1 | |a Sen, Somdatta |e verfasserin |4 aut | |
| 700 | 1 | |a Ithal, Dhruva |e verfasserin |4 aut | |
| 700 | 1 | |a Mahadevan, Jayant |e verfasserin |4 aut | |
| 700 | 1 | |a Reddy Y C, Janardhan |e verfasserin |4 aut | |
| 700 | 1 | |a Jain, Sanjeev |e verfasserin |4 aut | |
| 700 | 1 | |a Purushottam, Meera |e verfasserin |4 aut | |
| 700 | 1 | |a Viswanath, Biju |e verfasserin |4 aut | |
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