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9. The proportion of different BCR-ABL1 transcript types in chronic myeloid leukemia. An international overview

Author

Baccarani, M, Castagnetti, F, Gugliotta, G, Rosti, G, Soverini, S, Albeer, A, Pfirrmann, M, Bekadja, Ma, Entasoltan, B, Nachi, M, Elghandour, A, El Sorady, M, Abdelfattah, R, El Nahass, Y, Samra, M, Azzazi, M, Elsobki, E, Moussa, M, Fahmy, O, Mattar, M, Shehata, Azmy, Se, (Azmy, E, 9 ), Emad), Bolarinwa, (Bolarinwa, Ra, ( 10 ), Rahman A., Eid, (Eid, S, Samir)( 11, ), Khelif, (Khelif, A, Abderrhaim)( 11, ), Hached, (Hached, F, Farhat)( 11, ), Menif, (Menif, S, Samia)( 12, ), Rahman, (Rahman, H, Hafizur)( 13, ), Huang, (Huang, Xj, Xiaojun)(, 14, 15, ), Jiang, (Jiang, Q, Qian)(, 14, (Ye, Yx, Yuanxin)( 16, ), Zhu, (Zhu, Hl, Huanling)( 16, ), Chen, (Chen, Sn, Suning)( 17, ), Varma, (Varma, N, Neelam)( 18, ), Ganesan, (Ganesan, P, Prasanth)( 19, ), Gundeti, (Gundeti, S, Sadashivudu)( 20, ), Malhotra, (Malhotra, H, Hemant)( 21, ), Radhakrishnan, (Radhakrishnan, Vs, ( 22 ), Vivek S., Kumar, (Kumar, L, Lalit)( 23, ), Sharawat, (Sharawat, Sk, Surender Kumar)( 23, ), Seth, (Seth, T, Tulika)( 24, ), Ausekar, (Ausekar, Bv, ( 25 ), B. V., Balasubramanian, (Balasubramanian, P, Poonkuzhali)( 26, ), Poopak, (Poopak, B, Behzad)(, 27, 28, ), Inokuchi, (Inokuchi, K, Koiti)( 29, ), Kim, (Kim, Dw, Dong-Wook)( 30, ), Kindi, Al, S (Al Kindi, Salam)( 31, ), Mirasol, (Mirasol, A, Angelina)( 32, ), Qari, (Qari, M, Mohammed)( 33, ), Goh, (Goh, Yt, Yeow Tee)( 34, ), Shih, (Shih, Ly, Lee-Yung)(, 35, 36, ), Branford, (Branford, S, Susan)(, 37, 38, ), Lion, (Lion, T, Thomas)( 39, ), Valent, (Valent, P, Peter)( 40, ), Burgstaller, (Burgstaller, S, Sonja)( 41, ), Thaler, (Thaler, J, Joseph)( 41, ), Labar, (Labar, B, Boris)( 42, ), Zadro, (Zadro, R, Renata)( 42, ), Mayer, (Mayer, J, Jiri)(, 43, 44, ), Zackova, (Zackova, D, Daniela)(, 43, Faber, (Faber, E, Edgar)( 45, ), Pallisgaard, (Pallisgaard, N, Niels)( 46, ), Xavier-Mahon, (Xavier-Mahon, F, Francois)( 47, ), Lippert, (Lippert, E, Eric)( 48, ), Cayuela, (Cayuela, Jm, Jean Michel)( 49, ), Rea, (Rea, D, Delphine)( 49, ), Millot, (Millot, F, Frederic)( 50, ), Suttorp, (Suttorp, M, Meinolf)( 51, ), Hochhaus, (Hochhaus, A, Andreas)( 52, ), Niederwieser, (Niederwieser, D, Dietger)( 53, ), Saussele, (Saussele, S, Susanne)( 54, ), Haferlach, (Haferlach, T, Torsten)( 55, ), Jeromine, (Jeromine, S, Sabine)( 55, ), Panayiotidis, (Panayiotidis, P, Panayiotis)(, 56, 57, ), Conneally, (Conneally, E, Eibhlin)( 58, ), Langabeer, (Langabeer, S, Steve)( 58, ), Nagler, (Nagler, A, Arnon)(, 59, 60, ), Rupoli, (Rupoli, S, Serena)( 61, ), Santoro, (Santoro, N, Nicola)( 62, ), Albano, (Albano, F, Francesco)( 63, ), Castagnetti, (Castagnetti, F, Fausto), Ottaviani, (Ottaviani, E, Emanuela)(, 64, 65, ), Rambaldi, (Rambaldi, A, Alessandro)(, 66, 67, ), Stagno, (Stagno, F, Fabio)( 68, ), Molica, (Molica, S, Stefano)( 69, ), Biagiotti, (Biagiotti, C, Caterina)( 70, ), Scappini, (Scappini, B, Barbara)( 70, ), Lemoli, (Lemoli, R, Roberto)( 71, ), Iurlo, (Iurlo, A, Alessandra)(, 72, 73, ), Pungolino, (Pungolino, E, Ester)( 74, ), Menna, (Menna, G, Giuseppe), Pane, (Pane, F, Fabrizio)( 76, ), Gottardi, (Gottardi, E, Enrico)(, 77, 78, ), Rege-Cambrin, (Rege-Cambrin, G, Giovanna)(, 77, Binotto, (Binotto, G, Gianni)( 79, ), Putti, (Putti, Mc, Maria Caterina)( 80, ), Falzetti, (Falzetti, F, Franca)( 81, ), Visani, (Visani, G, Giuseppe)( 82, ), Galimberti, (Galimberti, S, Sara)( 83, ), Musto, (Musto, P, Pellegrino)( 84, ), Abruzzese, (Abruzzese, E, Elisabetta)( 85, ), Breccia, (Breccia, M, Massimo)( 86, ), Giona, (Giona, F, Fiorina)( 86, ), Chiusolo, (Chiusolo, P, Patrizia)( 87, ), Sica, (Sica, S, Simona)( 87, ), Fava, (Fava, C, Carmen)( 88, ), Ferrero, (Ferrero, D, Dario)( 88, ), Tiribelli, (Tiribelli, M, Mario)( 89, ), Bonifacio, (Bonifacio, M, Massimiliano)( 90, ), Griskevicius, (Griskevicius, L, Laimonas)( 91, ), Musteata, (Musteata, V, Vasile)( 92, ), Janssen, (Janssen, J, Jeroen)( 93, ), Prejzner, (Prejzner, W, Witold)( 94, ), Sacha, (Sacha, T, Tomasz)( 95, ), Waclaw, (Waclaw, J, Joanna)( 95, ), Almeida, (Almeida, Am, Antonio Medina)( 96, ), Kulikov, (Kulikov, S, Sergei)( 97, ), Turkina, (Turkina, A, Anna)( 97, ), Bogdanovic, (Bogdanovic, A, Andrija)( 98, ), Zupan, (Zupan, I, Irena)( 99, ), Marce, (Marce, S, Silvia)( 100, ), Cervantes, (Cervantes, F, Francisco)( 101, ), Steegmann, (Steegmann, Jl, Juan Luis)( 102, ), Kotlyarchuk, (Kotlyarchuk, K, Konstyantyn)( 103, ), Milner, (Milner, Bj, ( 104 ), Benedict J., Rose, (Rose, S, Susan)( 105, ), Clench, (Clench, T, Tim)( 106, ), Waits, (Waits, P, Paula)( 107, ), Austin, (Austin, S, Steve)( 108, ), Wickham, (Wickham, C, Caroline)( 109, ), Clark, (Clark, R, Richard)( 110, ), Apperley, (Apperley, J, Jane), Claudiani, (Claudiani, S, Simone)( 111, ), Foroni, (Foroni, L, Letizia)( 111, ), Szydlo, (Szydlo, R, Richard)( 111, ), Burt, (Burt, E, Emma)( 112, ), Bescoby, (Bescoby, R, Ruth)( 113, ), Cork, (Cork, L, Leanne)( 113, ), O'Brien, (O'Brien, S, Stephen)( 113, ), Green, (Green, B, Bethaney)( 114, ), Hawtree, (Hawtree, S, Sarah)( 114, ), Watson, (Watson, M, Mark)( 114, ), Bengio, (Bengio, Rm, Raquel Maria)( 115, ), Larripa, (Larripa, I, Irene)( 115, ), Pavlovsky, (Pavlovsky, C, Carolina)( 116, ), Moiraghi, (Moiraghi, B, Beatriz)( 117, ), Pinna, De, CAR (Requiao de Pinna, Cristiane Almeida)( 118, ), Magalhaes, GHR (Romani Magalhaes, Gustavo Henrique)( 119, ), Pagnano, (Pagnano, K, Katia)( 120, ), Funke, (Funke, V, Vaneuza)( 121, ), Tavares, (Tavares, Rs, Renato Sampaio)( 122, ), Prado, (Prado, A, Adriana)( 123, ), Azevedo, (Azevedo, Aa, Alita Andrade)( 124, ), Fogliatto, (Fogliatto, L, Laura)( 125, ), Bonecker, (Bonecker, S, Simone)( 126, ), Centrone, (Centrone, R, Renato)( 127, ), Moellman, (Moellman, A, Artur)( 128, ), Conchon, (Conchon, M, Monika)( 130, ), Centurion, (Centurion, Me, Maria Elida)( 131, ), (Prado, Ai, Ana-Ines)( 132, ), Lopez, (Lopez, Jl, ( 133 ), J. L., Petruzziello, (Petruzziello, F, Fara)( 75, ), Bendit, (Bendit, I, Israel), Baccarani M., Castagnetti F., Gugliotta G., Rosti G., Soverini S., Albeer A., and Pfirrmann M.

Subjects
Male, 0301 basic medicine, Cancer Research, bcr-abl, Fusion Proteins, bcr-abl, Global Health, 0302 clinical medicine, hemic and lymphatic diseases, 80 and over, Odds Ratio, Prevalence, Age Factor, Chronic, Young adult, Child, MOLECULAR RESPONSE, Leukemic, Aged, 80 and over, Leukemia, Hematology, Gene Expression Regulation, Leukemic, CHRONIC MYELOGENOUS LEUKEMIA, Age Factors, Myeloid leukemia, Middle Aged, Oncology, Child, Preschool, 030220 oncology & carcinogenesis, Female, Life Sciences & Biomedicine, Human, Adult, Transcriptional Activation, medicine.medical_specialty, Adolescent, Immunology, IMATINIB MESYLATE, DENDRITIC CELLS, CML PATIENTS, Young Adult, 03 medical and health sciences, Myelogenous, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Internal medicine, medicine, Humans, 1112 Oncology and Carcinogenesis, BCR/ABL TRANSCRIPT, Preschool, CYTOGENETIC RESPONSE, Aged, Science & Technology, CHRONIC-PHASE, business.industry, Infant, Newborn, Fusion Proteins, ABL FUSION PROTEINS, P190 BCR-ABL, Infant, 1103 Clinical Sciences, Odds ratio, Newborn, medicine.disease, International BCR-ABL Study Group, Settore MED/15 - MALATTIE DEL SANGUE, 030104 developmental biology, Imatinib mesylate, Gene Expression Regulation, BCR-ABL Positive, business, Chronic myelogenous leukemia
Abstract

There are different BCR-ABL1 fusion genes that are translated into proteins that are different from each other, yet all leukemogenic, causing chronic myeloid leukemia (CML) or acute lymphoblastic leukemia. Their frequency has never been systematically investigated. In a series of 45503 newly diagnosed CML patients reported from 45 countries, it was found that the proportion of e13a2 (also known as b2a2) and of e14a2 (also known as b3a2), including the cases co-expressing e14a2 and e13a2, was 37.9% and 62.1%, respectively. The proportion of these two transcripts was correlated with gender, e13a2 being more frequent in males (39.2%) than in females (36.2%), was correlated with age, decreasing from 39.6% in children and adolescents down to 31.6% in patients ≥ 80 years old, and was not constant worldwide. Other, rare transcripts were reported in 666/34561 patients (1.93%). The proportion of rare transcripts was associatedwith gender (2.27% in females and 1.69% in males) and with age (from 1.79% in children and adolescents up to 3.84% in patients ≥ 80 years old). These data show that the differences in proportion are not by chance. This is important, as the transcript type is a variable that is suspected to be of prognostic importance for response to treatment, outcome of treatment, and rate of treatment-free remission.

Published
2019
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22. EVI1 expression in acute myeloid leukaemia

Author

Langabeer, S. E., Rogers, J. R., Harrison, G., Wheatley, K., Walker, H., Bain, B. J., Burnett, A. K., Goldstone, A. H., Linch, D. C., and Grimwade, D.

Published
2001

38. Guidelines for the measurement of BCR-ABL1 transcripts in chronic myeloid leukaemia

Author

Foroni, L, Wilson, G, Gerrard, G, Mason, J, Grimwade, D, White, HE, de Castro, DG, Austin, S, Awan, A, Burt, E, Clench, T, Farruggia, J, Hancock, J, Irvine, AE, Kizilors, A, Langabeer, S, Milner, BJ, Nickless, G, Schuh, A, Sproul, A, Wang, L, Wickham, C, and Cross, NC

Subjects
Reverse Transcriptase Polymerase Chain Reaction, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, Practice Guidelines as Topic, Fusion Proteins, bcr-abl, Humans, RNA, Messenger, RNA, Neoplasm, Ireland, Molecular Biology, Protein Kinase Inhibitors, Societies, Medical, United Kingdom, Monitoring, Physiologic
Abstract

Molecular testing for the BCR-ABL1 fusion gene by real time quantitative polymerase chain reaction (RT-qPCR) is the most sensitive routine approach for monitoring the response to therapy of patients with chronic myeloid leukaemia. In the context of tyrosine kinase inhibitor (TKI) therapy, the technique is most appropriate for patients who have achieved complete cytogenetic remission and can be used to define specific therapeutic milestones. To achieve this effectively, standardization of the laboratory procedures and the interpretation of results are essential. We present here consensus best practice guidelines for RT-qPCR testing, data interpretation and reporting that have been drawn up and agreed by a consortium of 21 testing laboratories in the United Kingdom and Ireland in accordance with the procedures of the UK Clinical Molecular Genetics Society.

Published
2011

39. Establishment of the first World Health Organization InternationalGenetic Reference Panel for quantitation of BCR-ABL mRNA

Author

White, He, Matejtschuk, P, Rigsby, P, Gabert, J, Lin, F, Lynn Wang, Y, Branford, S, Mã¼ller, Mc, Beaufils, N, Beillard, E, Colomer, D, Dvorakova, D, Ehrencrona, H, Goh, Hg, El Housni, H, Jones, D, Kairisto, V, Kamel Reid, S, Kim, Dw, Langabeer, S, Ma, Es, Press, Rd, Romeo, G, Wang, L, Zoi, K, Hughes, T, Saglio, Giuseppe, Hochhaus, A, Goldman, Jm, Metcalfe, P, and Cross, N. C.

Published
2010

40. Identification of the t(15;17) in AML FAB types other than M3: evaluation of the role of molecular screening for the PML/RARalpha rearrangement in newly diagnosed AML. The Medical Research Council (MRC) Adult Leukaemia Working Party

Author

Allford S, Grimwade D, Langabeer S, Duprez E, Andrew Saurin, Chatters S, Walker H, Roberts P, Rogers J, Bain B, Patterson K, McKernan A, Freemont P, Solomon E, Burnett A, Goldstone A, and Linch D

Subjects
Adult, Male, Chromosomes, Human, Pair 15, Leukemia, Myeloid, Acute, Cell Transformation, Neoplastic, Adolescent, Leukemia, Promyelocytic, Acute, Humans, Female, Genetic Testing, Gene Rearrangement, alpha-Chain T-Cell Antigen Receptor, Translocation, Genetic, Chromosomes, Human, Pair 17
Abstract

Acute promyelocytic leukaemia (APL) is characterized by the t(15;17) leading to the formation of PML-RARalpha and RARalpha-PML fusion genes; this rearrangement has been considered both diagnostic for, and restricted to, this subtype of acute myeloid leukaemia (AML FAB M3). We describe two cases of AML with the t(15;17) associated with a PML/RARalpha rearrangement which lacked typical APL morphology, classified as FAB M1 and M2 respectively. In both cases morphological review revealed small populations of cells which exhibited some features associated with APL. In the case classified as M1, PML immunofluorescence studies revealed the classic microparticulate nuclear staining pattern as observed in typical cases of APL with the t(15;17). Similarly, blasts from this case were found to be sensitive to ATRA in vitro as determined by NBT reduction test and by normalization of the PML nuclear body staining pattern. To determine the frequency of PML/RARalpha rearrangements in FAB subtypes other than M3, 530 patients from the MRC AML trials were screened using nested RT-PCR. Only one individual, initially classified as M5 with a normal karyotype, was found to have a PML/RARalpha rearrangement. The diagnosis was revised to M3 variant on subsequent morphological review. In conclusion, this study demonstrates that, in rare cases, the t(15;17) is not restricted to patients with M3 morphology as defined by current FAB criteria. Therefore, although we consider cytogenetic analysis of newly diagnosed cases of AML to be mandatory, our data suggests that routine molecular screening for PML/RARalpha rearrangements is not justified and should be reserved for those cases displaying features which may be suspicious of APL even if such cells comprise only a minority of the total population.

Published
1999

46. Aquagenic pruritus and the JAK2 V617F mutation.

Author

Langabeer, S. E.

Abstract

The article discusses a 2019 retrospective audit of the intracellular signalling molecule JAK2 from which the JAK2 V617F mutation is present in patients. It states that the mutation was detected in 8 of 36 participating patients which is consistent with the investigation and management of generalized pruritus without rash which recommend mutation investigation in patients with a raised haemoglobin and/or haematocrit. Also noted is the need for care in patient screening to optimize resources.

Published
2019
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47. Characterization of cryptic rearrangements and variant translocations in acute promyelocytic leukemia

Author

Grimwade, D., Gorman, P., Duprez, E., Howe, K., Langabeer, S., Oliver, F., Walker, H., Culligan, D., Waters, J., Pomfret, M., Goldstone, A., Burnett, A., Freemont, P., Denise Sheer, and Solomon, E.

Subjects
Gene Rearrangement, Chromosomes, Human, Pair 15, Leukemia, Promyelocytic, Acute, Oncogene Proteins, Fusion, Fluorescent Antibody Technique, Humans, In Situ Hybridization, Fluorescence, Translocation, Genetic, Chromosomes, Human, Pair 17, Neoplasm Proteins
Abstract

Acute promyelocytic leukemia (APL) is typified by the reciprocal translocation, t(15; 17)(q22; q21), leading to the formation of PML-RARalpha and RARalpha-PML fusion genes. We have characterized 7 cases of morphologic APL found to lack the t(15; 17) on conventional cytogenetic assessment. In 6 of 7 cases, cryptic PML-RARalpha rearrangements were identified by reverse transcriptase-polymerase chain reaction and fluorescent in situ hybridization (FISH); whereas, in the remaining patient, APL was associated with the variant translocation, t(11; 17)(q23; q12-21), leading to the formation of PLZF-RARalpha and RARalpha-PLZF fusion genes. In each of the cases with cryptic PML-RARalpha rearrangements, PML-RARalpha transcripts were detected in the absence of RARalpha-PML, consistent with the concept that PML-RARalpha is the critical oncogenic fusion protein. In 4 of these cases with evaluable metaphase spreads, the occurrence of a nonreciprocal translocation was confirmed by FISH with sole formation of the PML-RARalpha fusion gene; in 3 cases with morphologically normal chromosomes 15 and 17, RARalpha was inserted into PML on 15q, whereas in the remaining patient the PML-RARalpha fusion arose due to insertion of 15q-derived material including PML into RARalpha on 17q. Immunofluorescence studies were performed using antibodies raised against PML and PIC 1, a ubiquitin-homology domain protein previously identified as an interaction partner of PML. In acute myeloid leukemia (AML) of subtypes other than M3, PIC 1 was localized to the nuclear membrane and colocalized with PML within discrete nuclear bodies. In APL cases with cryptic PML-RARalpha rearrangements, the characteristic microparticulate pattern of PML staining was detected with partial colocalization with PIC 1, indicative of disruption of the nuclear bodies; whereas in t(11; 17)-associated APL, PML and PIC 1 remained colocalized within discrete nuclear bodies, as observed in non-APL cases. Although deregulation of the putative growth suppressor PML and delocalization of other nuclear body constituents have been advocated to play a key role in the development of t(15; 17)-associated APL, the present study shows that disruption of PML nuclear bodies per se is not a prerequisite for the pathogenesis of APL.

48. Reported cryptic rearrangements of CBFbeta-MYH11 in acute myeloid leukaemia are not due to false priming of contaminating DNA.

Author

Langabeer, S E, Gale, R E, Walker, H, and Linch, D C

Subjects
*LETTERS to the editor, *PERIODICALS
Abstract

Presents several letters to the editor published in the May 2000 issue of the periodical 'Leukemia.' Reasons for reported cryptic rearrangements of CBFβ-MY11 in acute myeloid leukemia; Frequency of tandem duplication of fms-like tyrosine kinase 3 gene in infant acute leukemia.

Published
2000
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50. In Ph+BCR-ABL1P210+ acute lymphoblastic leukemia the e13a2 (B2A2) transcript is prevalent

Author

Daniel Coriu, Audrey Bidet, BJ Milner, Michele Baccarani, Ilaria Iacobucci, Sabina Chiaretti, Samia Menif, A Ayala, Stephen E. Langabeer, Beatrice Borsellino, Elisabeth Paietta, Emma Burt, Ana Ines Prado, Lorenzo Comba, Sabine Jeromin, Orietta Spinelli, Mario Luppi, Barbara Scappini, Monica Crugnola, Jiri Mayer, Letizia Foroni, Jacqueline Maier, Sara Galimberti, Irena Preložnik Zupan, Francesco Passamonti, Francesca Lunghi, Neelam Varma, Anna Candoni, Jeroen Janssen, Mario Annunziata, Francesco Albano, Poonkuzhali Balasubramanian, Thomas Lion, Giovanna Rege-Cambrin, Valentina Polli, Carolina Terragna, Behzad Poopak, Ombretta Annibali, Barbara Izzo, Renata Zadro, Victor Salinas-Viedma, Francesco Di Raimondo, Tulika Seth, Robin Foà, Baccarani, M., Iacobucci, I., Chiaretti, S., Foa', R., Balasubramanian, P., Paietta, E., Foroni, L., Jeromin, S., Izzo, B., Spinelli, O., Varma, N., Menif, S., Terragna, C., Seth, T., Bidet, A., Coriu, D., Lunghi, F., Mayer, J., Scappini, B., Langabeer, S., Maier, J., Burt, E., Candoni, A., Albano, F., Luppi, M., Zupan, I., Lion, T., Zadro, R., di Raimondo, F., Poopak, B., Rege-Cambrin, G., Annunziata, M., Ayala, A., Salinas-Viedma, V., Ines Prado, A., Milner, B., Galimberti, S., Janssen, J., Polli, V., Comba, L., Borsellino, B., Annibali, O., Crugnola, M., Passamonti, F., Hematology, and CCA - Cancer biology and immunology

Subjects
Adult, Male, Cancer Research, Adolescent, Lymphoblastic Leukemia, bcr-abl, Fusion Proteins, bcr-abl, Young Adult, Myelogenous, Text mining, Leukemia, Myelogenous, Chronic, BCR-ABL Positive, medicine, Humans, Age Factor, Chronic, Young adult, Child, Proto-Oncogene Proteins c-abl, Aged, B-Lymphocytes, Leukemia, business.industry, B-Lymphocyte, Age Factors, breakpoint cluster region, Fusion Proteins, Hematology, Middle Aged, Precursor Cell Lymphoblastic Leukemia-Lymphoma, medicine.disease, Fusion protein, Oncology, Multicenter study, Cancer research, Female, BCR-ABL Positive, business, Human
Published
2019
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