Prevalence of common fusion transcripts in acute lymphoblastic leukemia : A report of 304 cases
© 2015 Wiley Publishing Asia Pty Ltd..
AIM: Information about fusion transcripts in acute lymphoblastic leukemia (ALL) is used to risk-stratify patients, decide on the treatment and to detect minimal residual disease. This study was conducted to determine the frequency of common fusion transcripts BCR-ABL, TEL-AML1, MLL-AF4 and E2A-PBX1 for B-ALL and SIL-TAL1 for T-ALL as seen at a tertiary care center in India.
METHODS: Up to 304 new cases of ALL (271 B-ALL and 33 T-ALL) diagnosed on morphology, cytochemistry and immunophenotyping were studied. All were screened for the common fusion transcripts by RT-PCR.
RESULTS: Both our B- (218/271; 80.4%) and T-ALL (26/33; 78.8%) patients were largely children. In the B-ALL children, BCR-ABL was detected in 26/218 (11.9%), E2A-PBX1 in 13/218 (5.9%), TEL-AML1 in 16/218 (7.3%) and MLL-AF4 in 3/218 (1.4%) patients. Adult B-ALL cases had BCR-ABL in 15/53 (28.3%) and E2A-PBX in 2/53 (3.8%); however, no other fusion transcript was detected. SIL-TAL1 was found in four of 26 pediatric (15%) and zero of 7 adult T-ALL cases.
CONCLUSION: The higher incidence of BCR-ABL and lower incidence of TEL-AML1 in our ALL patients, both in children and adults as compared with the West, suggests that patients in India may be biologically different. This difference may explain at least in part the higher relapse rate and poorer outcome in our B-ALL cases.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2015 |
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| Erschienen: |
2015 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:11 |
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| Enthalten in: |
Asia-Pacific journal of clinical oncology - 11(2015), 4 vom: 12. Dez., Seite 293-8 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Chopra, Anita [VerfasserIn] |
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| Links: |
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| Anmerkungen: |
Date Completed 24.05.2016 Date Revised 02.12.2018 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/ajco.12400 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM251744876 |
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| 100 | 1 | |a Chopra, Anita |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Prevalence of common fusion transcripts in acute lymphoblastic leukemia |b A report of 304 cases |
| 264 | 1 | |c 2015 | |
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| 500 | |a Date Revised 02.12.2018 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a © 2015 Wiley Publishing Asia Pty Ltd. | ||
| 520 | |a AIM: Information about fusion transcripts in acute lymphoblastic leukemia (ALL) is used to risk-stratify patients, decide on the treatment and to detect minimal residual disease. This study was conducted to determine the frequency of common fusion transcripts BCR-ABL, TEL-AML1, MLL-AF4 and E2A-PBX1 for B-ALL and SIL-TAL1 for T-ALL as seen at a tertiary care center in India | ||
| 520 | |a METHODS: Up to 304 new cases of ALL (271 B-ALL and 33 T-ALL) diagnosed on morphology, cytochemistry and immunophenotyping were studied. All were screened for the common fusion transcripts by RT-PCR | ||
| 520 | |a RESULTS: Both our B- (218/271; 80.4%) and T-ALL (26/33; 78.8%) patients were largely children. In the B-ALL children, BCR-ABL was detected in 26/218 (11.9%), E2A-PBX1 in 13/218 (5.9%), TEL-AML1 in 16/218 (7.3%) and MLL-AF4 in 3/218 (1.4%) patients. Adult B-ALL cases had BCR-ABL in 15/53 (28.3%) and E2A-PBX in 2/53 (3.8%); however, no other fusion transcript was detected. SIL-TAL1 was found in four of 26 pediatric (15%) and zero of 7 adult T-ALL cases | ||
| 520 | |a CONCLUSION: The higher incidence of BCR-ABL and lower incidence of TEL-AML1 in our ALL patients, both in children and adults as compared with the West, suggests that patients in India may be biologically different. This difference may explain at least in part the higher relapse rate and poorer outcome in our B-ALL cases | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a acute lymphoblastic leukemia | |
| 650 | 4 | |a common fusion transcript | |
| 650 | 4 | |a prevalence | |
| 650 | 7 | |a Core Binding Factor Alpha 2 Subunit |2 NLM | |
| 650 | 7 | |a Oncogene Proteins, Fusion |2 NLM | |
| 650 | 7 | |a TEL-AML1 fusion protein |2 NLM | |
| 650 | 7 | |a Fusion Proteins, bcr-abl |2 NLM | |
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| 700 | 1 | |a Soni, Sushant |e verfasserin |4 aut | |
| 700 | 1 | |a Verma, Deepak |e verfasserin |4 aut | |
| 700 | 1 | |a Kumar, Dev |e verfasserin |4 aut | |
| 700 | 1 | |a Dwivedi, Rahul |e verfasserin |4 aut | |
| 700 | 1 | |a Vishwanathan, Anjali |e verfasserin |4 aut | |
| 700 | 1 | |a Vishwakama, Garima |e verfasserin |4 aut | |
| 700 | 1 | |a Bakhshi, Sameer |e verfasserin |4 aut | |
| 700 | 1 | |a Seth, Rachna |e verfasserin |4 aut | |
| 700 | 1 | |a Gogia, Ajay |e verfasserin |4 aut | |
| 700 | 1 | |a Kumar, Lalit |e verfasserin |4 aut | |
| 700 | 1 | |a Kumar, Rajive |e verfasserin |4 aut | |
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