MYC rearranged B-cell neoplasms: Impact of genetics on classification
A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple o...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Haberl, Sabine [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016transfer abstract |
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| Umfang: |
9 |
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| Übergeordnetes Werk: |
Enthalten in: 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study - Mohty, Dania ELSEVIER, 2016, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:209 ; year:2016 ; number:10 ; pages:431-439 ; extent:9 |
| Links: |
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| DOI / URN: |
10.1016/j.cancergen.2016.08.007 |
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| Katalog-ID: |
ELV029732751 |
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| 520 | |a A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. | ||
| 520 | |a A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. | ||
| 700 | 1 | |a Haferlach, Torsten |4 oth | |
| 700 | 1 | |a Stengel, Anna |4 oth | |
| 700 | 1 | |a Jeromin, Sabine |4 oth | |
| 700 | 1 | |a Kern, Wolfgang |4 oth | |
| 700 | 1 | |a Haferlach, Claudia |4 oth | |
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10.1016/j.cancergen.2016.08.007 doi GBVA2016011000028.pica (DE-627)ELV029732751 (ELSEVIER)S2210-7762(16)30233-2 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 380 VZ 55.82 bkl Haberl, Sabine verfasserin aut MYC rearranged B-cell neoplasms: Impact of genetics on classification 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. Haferlach, Torsten oth Stengel, Anna oth Jeromin, Sabine oth Kern, Wolfgang oth Haferlach, Claudia oth Enthalten in Elsevier Science Mohty, Dania ELSEVIER 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study 2016 Amsterdam [u.a.] (DE-627)ELV019379730 volume:209 year:2016 number:10 pages:431-439 extent:9 https://doi.org/10.1016/j.cancergen.2016.08.007 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 55.82 Güterverkehr VZ AR 209 2016 10 431-439 9 045F 610 |
| spelling |
10.1016/j.cancergen.2016.08.007 doi GBVA2016011000028.pica (DE-627)ELV029732751 (ELSEVIER)S2210-7762(16)30233-2 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 380 VZ 55.82 bkl Haberl, Sabine verfasserin aut MYC rearranged B-cell neoplasms: Impact of genetics on classification 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. Haferlach, Torsten oth Stengel, Anna oth Jeromin, Sabine oth Kern, Wolfgang oth Haferlach, Claudia oth Enthalten in Elsevier Science Mohty, Dania ELSEVIER 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study 2016 Amsterdam [u.a.] (DE-627)ELV019379730 volume:209 year:2016 number:10 pages:431-439 extent:9 https://doi.org/10.1016/j.cancergen.2016.08.007 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 55.82 Güterverkehr VZ AR 209 2016 10 431-439 9 045F 610 |
| allfields_unstemmed |
10.1016/j.cancergen.2016.08.007 doi GBVA2016011000028.pica (DE-627)ELV029732751 (ELSEVIER)S2210-7762(16)30233-2 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 380 VZ 55.82 bkl Haberl, Sabine verfasserin aut MYC rearranged B-cell neoplasms: Impact of genetics on classification 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. Haferlach, Torsten oth Stengel, Anna oth Jeromin, Sabine oth Kern, Wolfgang oth Haferlach, Claudia oth Enthalten in Elsevier Science Mohty, Dania ELSEVIER 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study 2016 Amsterdam [u.a.] (DE-627)ELV019379730 volume:209 year:2016 number:10 pages:431-439 extent:9 https://doi.org/10.1016/j.cancergen.2016.08.007 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 55.82 Güterverkehr VZ AR 209 2016 10 431-439 9 045F 610 |
| allfieldsGer |
10.1016/j.cancergen.2016.08.007 doi GBVA2016011000028.pica (DE-627)ELV029732751 (ELSEVIER)S2210-7762(16)30233-2 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 380 VZ 55.82 bkl Haberl, Sabine verfasserin aut MYC rearranged B-cell neoplasms: Impact of genetics on classification 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. Haferlach, Torsten oth Stengel, Anna oth Jeromin, Sabine oth Kern, Wolfgang oth Haferlach, Claudia oth Enthalten in Elsevier Science Mohty, Dania ELSEVIER 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study 2016 Amsterdam [u.a.] (DE-627)ELV019379730 volume:209 year:2016 number:10 pages:431-439 extent:9 https://doi.org/10.1016/j.cancergen.2016.08.007 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 55.82 Güterverkehr VZ AR 209 2016 10 431-439 9 045F 610 |
| allfieldsSound |
10.1016/j.cancergen.2016.08.007 doi GBVA2016011000028.pica (DE-627)ELV029732751 (ELSEVIER)S2210-7762(16)30233-2 DE-627 ger DE-627 rakwb eng 610 610 DE-600 610 VZ 380 VZ 55.82 bkl Haberl, Sabine verfasserin aut MYC rearranged B-cell neoplasms: Impact of genetics on classification 2016transfer abstract 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. Haferlach, Torsten oth Stengel, Anna oth Jeromin, Sabine oth Kern, Wolfgang oth Haferlach, Claudia oth Enthalten in Elsevier Science Mohty, Dania ELSEVIER 0488: Assessment of aortic regurgitation severity: a cardiac magnetic resonance and echocardiographic comparison study 2016 Amsterdam [u.a.] (DE-627)ELV019379730 volume:209 year:2016 number:10 pages:431-439 extent:9 https://doi.org/10.1016/j.cancergen.2016.08.007 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 55.82 Güterverkehr VZ AR 209 2016 10 431-439 9 045F 610 |
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MYC rearranged B-cell neoplasms: Impact of genetics on classification |
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A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. |
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A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. |
| abstract_unstemmed |
A cohort comprising 156 patients with B-cell neoplasms harboring an MYC rearrangement was analyzed with respect to phenotypic presentation, molecular markers (TP53, MYC and ID3) and additional cytogenetic abnormalities (concomitantly occurring BCL2, BCL6 and/or CCND1 rearrangements; double, triple or quadruple hit lymphomas = multiple hit lymphomas). MYC translocations occurred as single hit (only MYC rearranged, 63%) or multiple hit lymphoma (37%) and presented as acute leukemia (AL) (14%), Burkitt lymphoma (30%), chronic lymphocytic leukemia (CLL) (21%) or other mature B-cell neoplasms (35%). Multiple hit lymphomas more frequently showed a complex karyotype compared to single hit lymphomas (62% vs. 28%, p < 0.001). Single hit Burkitt lymphomas presented with specific characteristics, by translocation of MYC to an immunoglobulin locus, predominantly a non-complex karyotype (23% vs. 67%, p = 0.012) and a significantly higher ID3 and TP53 mutation frequency (ID3mut: 49% vs. 0%, p = 0.002; TP53mut: 69% vs. 33%, p = 0.045). Additionally, MYC rearranged CLL presented as outstanding group by often showing a non-complex karyotype (85%), absence of ID3 mutations, a high frequency of SF3B1 mutations, and a frequent involvement of non-immunoglobulin loci as MYC-partner genes (61%). Consequently, genetic characteristics distinguish different subgroups of MYC rearranged B-cell neoplasms and therefore may contribute to a new classification system. |
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