B Cell Lymphoma

A special issue of Cancers (ISSN 2072-6694). This special issue belongs to the section "Cancer Pathophysiology".

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 18630

Special Issue Editor


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Guest Editor
Institute of Physiological Chemistry, University of Ulm, 89081 Ulm, Germany
Interests: B-cell lymphoma and leukemia; addiction to the B cell proliferation and survival program; targeting of non-oncogenic addictions; Goldilocks therapy of B-cell neoplasia

Special Issue Information

Dear Colleagues,

The B-cell lymphomas are the clonal malignancies derived from mature B cells at different stages of differentiation. Although some of the B-cell lymphoma subtypes are sensitive to conventional chemotherapy and are among the most curable tumors, most of them represent a therapeutic challenge. Importantly, B-cell lymphoma survivors still suffer from acute and delayed treatment complications of aggressive chemotherapy. The introduction of the therapeutic antibodies targeting B-cell markers, followed by the appearance of immune checkpoint inhibitors, and finally CAR-T cell immunotherapy, have further improved treatment results. Unfortunately, these new modalities are not able to cure all patients, and are not free of serious side effects.

Fortunately, growing knowledge on molecular mechanisms that are instrumental in oncogenic programs of B-cell lymphoma might open new opportunities for the therapy of B cell lymphoma. B-cell lymphomas, except for classical Hodgkin lymphoma, maintain the phenotype as well as the proliferation and survival program of their normal counterparts. In the process of maturation, B cells pass through sequential differentiation stages which rely on distinct, sometimes mutually exclusive, survival programs. The specific oncogenic program of B-cell lymphoma entities arises from the corresponding physiological program by the oncogenic activation of the physiological differentiation-stage-specific pro-survival pathways and by blocking the transition to the next differentiation stage. The identification of the role of particular pathways in specific sub-types of B-cell lymphoma has permitted the rational implementation of specific inhibitors, many of which have reached or already passed clinical trials.

These include inhibitors of proliferation and survival signaling such as LYN and SYK kinases, as well as PY3K, PI3K, AKT, and mTOR inhibitors; inhibitors of anti-apoptotic proteins BCL2 and BCL2L1; drugs targeting neoplasia-related proteotoxic stress like proteasome inhibitors; and epigenetic modifiers targeting tumor-specific transcriptional programs, including demethylating agents, HDAC, and BRD inhibitors.

This Special Issue is dedicated to broad molecular aspects of B-cell lymphoma pathogenesis and treatment with a focus on the distinctive features of the oncogenic programs of B cell lymphoma subtypes including regulation of transcription, translation, cellular metabolism. We believe that discovering new lineage-specific vulnerabilities and synthetic lethalities will help improve the therapy of B-cell lymphoma.

Dr. Alexey Ushmorov
Guest Editor

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Keywords

  • oncogenic program of B cell lymphoma
  • targeted therapy
  • epigenetic therapy
  • oncogenic dependency

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Published Papers (5 papers)

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Research

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15 pages, 4372 KiB  
Article
High-Grade B-Cell Lymphoma (HGBL) with MYC and BCL2 and/or BCL6 Rearrangements Is Predominantly BCL6-Rearranged and BCL6-Expressing in Taiwan
by Cheng-Chih Tsai, Yung-Cheng Su, Oluwaseun Adebayo Bamodu, Bo-Jung Chen, Wen-Chiuan Tsai, Wei-Hong Cheng, Chii-Hong Lee, Shu-Min Hsieh, Mei-Ling Liu, Chia-Lang Fang, Huan-Tze Lin, Chi-Long Chen, Chi-Tai Yeh, Wei-Hwa Lee, Ching-Liang Ho, Shiue-Wei Lai, Huey-En Tzeng, Yao-Yu Hsieh, Chia-Lun Chang, Yu-Mei Zheng, Hui-Wen Liu, Yun Yen, Jacqueline Whang-Peng and Tsu-Yi Chaoadd Show full author list remove Hide full author list
Cancers 2021, 13(7), 1620; https://doi.org/10.3390/cancers13071620 - 31 Mar 2021
Cited by 6 | Viewed by 3076
Abstract
This study investigated the epidemiological and clinical peculiarities of BCL2 and BCL6 rearrangement in patients with high grade B-cell lymphoma (HGBL) from Taiwan, compared with data from Western countries. Two hundred and eighty-two DLBCL cases from Taipei Medical University-affiliated hospitals (n = [...] Read more.
This study investigated the epidemiological and clinical peculiarities of BCL2 and BCL6 rearrangement in patients with high grade B-cell lymphoma (HGBL) from Taiwan, compared with data from Western countries. Two hundred and eighty-two DLBCL cases from Taipei Medical University-affiliated hospitals (n = 179) and Tri-Service General Hospital (n = 103) were enrolled for this study. From the 282, 47 (16.7%) had MYC translocation; 24 of these harbored concurrent BCL2 and/or BCL6 translocation (double-hit, DH or triple-hit, TH). Twelve DH-HGBL cases had simultaneous MYC and BCL6 translocations, 8 harbored MYC and BCL2 rearrangement, while the remaining 4 patients exhibited TH. Together, 66.7% of DH/TH-HGBL patients were BCL6 rearrangement positive. Among these BCL6-rearranged DH/TH-HGBL patients, only 6 (37.5%) overexpressed MYC and BCL6 proteins simultaneously, indicating that MYC-BCL6 co-overexpression may not be plausible surrogate biomarker for screening BCL6-rearranged DH-HGBL. By the end of year 5, all patients with TH-HGBL, BCL2 DH-HGBL and all but one BCL6 DH-HGBL cases had expired or were lost to follow-up. Progression-free survival (PFS) was longer for the non-DH/TH-HGBL group compared with the DH/TH-HGBL group. While the patients with BCL2 DH-HGBL were lost to follow-up by day 800, their remaining TH-HGBL and BCL6 DH-HGBL peers exhibited very poor PFS, regardless of age strata. More so, patients with BCL6 rearrangement were 5.5-fold more likely associated with extranodal involvement compared with their BCL2-rearranged peers. Moreover, ~60.0% of the BCL6-rearranged DH-HGBL cases were non-GCB, suggesting that including screening for BCL6 rearrangement in patients with the non-GCB phenotype may aid medical decision-making and therapeutic strategy. Contrary to contemporary data from western countries, 2 in every 3 patients with DH/TH-HGBL in Taiwan harbor BCL6 rearrangement. Consistent with present findings, we recommend mandatory screening for BCL6 rearrangement in patients with aggressive HGBL in Taiwan. Full article
(This article belongs to the Special Issue B Cell Lymphoma)
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22 pages, 5952 KiB  
Article
Apoptotic Blocks in Primary Non-Hodgkin B Cell Lymphomas Identified by BH3 Profiling
by Ryan N. Rys, Claudia M. Wever, Dominique Geoffrion, Christophe Goncalves, Artin Ghassemian, Eugene Brailovski, Jeremy Ryan, Liliana Stoica, Josée Hébert, Tina Petrogiannis-Haliotis, Svetlana Dmitrienko, Saul Frenkiel, Annette Staiger, German Ott, Christian Steidl, David W. Scott, Pierre Sesques, Sonia del Rincon, Koren K. Mann, Anthony Letai and Nathalie A. Johnsonadd Show full author list remove Hide full author list
Cancers 2021, 13(5), 1002; https://doi.org/10.3390/cancers13051002 - 28 Feb 2021
Cited by 9 | Viewed by 3414
Abstract
To determine causes of apoptotic resistance, we analyzed 124 primary B cell NHL samples using BH3 profiling, a technique that measures the mitochondrial permeabilization upon exposure to synthetic BH3 peptides. Our cohort included samples from chronic lymphocytic leukemia (CLL), follicular lymphoma (FL), diffuse [...] Read more.
To determine causes of apoptotic resistance, we analyzed 124 primary B cell NHL samples using BH3 profiling, a technique that measures the mitochondrial permeabilization upon exposure to synthetic BH3 peptides. Our cohort included samples from chronic lymphocytic leukemia (CLL), follicular lymphoma (FL), diffuse large B-cell lymphoma (DLBCL), high-grade B cell lymphoma with translocations in MYC and BCL2 (HGBL-DH), mantle cell lymphoma (MCL) and marginal zone lymphoma (MZL). While a large number of our samples displayed appropriate responses to apoptosis-inducing peptides, pro-apoptotic functional defects, implicating BAX, BAK, BIM or BID, were seen in 32.4% of high-grade NHLs (12/37) and in 3.4% of low-grade NHLs (3/87, p < 0.0001). The inhibition of single anti-apoptotic proteins induced apoptosis in only a few samples, however, the dual inhibition of BCL2 and MCL1 was effective in 83% of samples, indicating MCL1 was the most common cause of lack of response to the BCL2 inhibitor, venetoclax. We then profiled Toledo and OCI-Ly8 high-grade lymphoma cell lines to determine which drugs could reduce MCL1 expression and potentiate venetoclax responses. Doxorubicin and vincristine decreased levels of MCL1 and increased venetoclax-induced apoptosis (all p < 0.05). Overall, in primary NHLs expressing BCL2 that have no defects in pro-apoptotic signaling, a poor response to venetoclax is primarily due to the presence of MCL1, which may be overcome by combining venetoclax with doxorubicin and vincristine-based chemotherapy or with other anti-microtubule inhibitors. Full article
(This article belongs to the Special Issue B Cell Lymphoma)
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14 pages, 1985 KiB  
Communication
Dichotomous Impact of Myc on rRNA Gene Activation and Silencing in B Cell Lymphomagenesis
by Gaurav Joshi, Alexander Otto Eberhardt, Lisa Lange, René Winkler, Steve Hoffmann, Christian Kosan and Holger Bierhoff
Cancers 2020, 12(10), 3009; https://doi.org/10.3390/cancers12103009 - 16 Oct 2020
Cited by 2 | Viewed by 2794
Abstract
A major transcriptional output of cells is ribosomal RNA (rRNA), synthesized by RNA polymerase I (Pol I) from multicopy rRNA genes (rDNA). Constitutive silencing of an rDNA fraction by promoter CpG methylation contributes to the stabilization of these otherwise highly active loci. In [...] Read more.
A major transcriptional output of cells is ribosomal RNA (rRNA), synthesized by RNA polymerase I (Pol I) from multicopy rRNA genes (rDNA). Constitutive silencing of an rDNA fraction by promoter CpG methylation contributes to the stabilization of these otherwise highly active loci. In cancers driven by the oncoprotein Myc, excessive Myc directly stimulates rDNA transcription. However, it is not clear when during carcinogenesis this mechanism emerges, and how Myc-driven rDNA activation affects epigenetic silencing. Here, we have used the Eµ-Myc mouse model to investigate rDNA transcription and epigenetic regulation in Myc-driven B cell lymphomagenesis. We have developed a refined cytometric strategy to isolate B cells from the tumor initiation, promotion, and progression phases, and found a substantial increase of both Myc and rRNA gene expression only in established lymphoma. Surprisingly, promoter CpG methylation and the machinery for rDNA silencing were also strongly up-regulated in the tumor progression state. The data indicate a dichotomous role of oncogenic Myc in rDNA regulation, boosting transcription as well as reinforcing repression of silent repeats, which may provide a novel angle on perturbing Myc function in cancer cells. Full article
(This article belongs to the Special Issue B Cell Lymphoma)
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11 pages, 1111 KiB  
Article
Orbital and Eyelid B-Cell Lymphoma: A Multicenter Retrospective Study
by Gustavo Savino, Giulia Midena, Maria Antonietta Blasi, Remo Battendieri, Gabriela Grimaldi, Martina Maceroni, Fausto Tranfa, Pasquale Napolitano, Vittoria Lanni and Adriana Iuliano
Cancers 2020, 12(9), 2538; https://doi.org/10.3390/cancers12092538 - 7 Sep 2020
Cited by 11 | Viewed by 3430
Abstract
Background: The aim of this study was to analyze patients diagnosed, staged and treated for orbital and eyelid B-cell lymphoma (OEL). Methods: One hundred and forty-one cases of OEL were included in this study. Primary endpoints were to analyze the histopathologic findings, the [...] Read more.
Background: The aim of this study was to analyze patients diagnosed, staged and treated for orbital and eyelid B-cell lymphoma (OEL). Methods: One hundred and forty-one cases of OEL were included in this study. Primary endpoints were to analyze the histopathologic findings, the main risk factors and the type of treatment and to correlate them with recurrence of OEL. The secondary endpoint was to determine the progression-free survival (PFS) time. Results: Extranodal marginal zone B-cell lymphoma was the most frequent subtype (66%), followed by small lymphocytic lymphoma (12.7%), diffuse large B-cell lymphoma (DLBCL) (9.2%), follicular lymphoma (6.6%), mantle cell lymphoma (4.3%) and Burkitt lymphoma (1.2%). The probability of relapse was influenced by the histopathologic subtype DLBCL (OR = 7.7, 95% CI 1.8–32.3) and treatment with chemotherapy (OR = 14.9, 95% CI 2.6–83.7). Multivariate analysis showed that the histopathologic subtype DLBCL and chemotherapy treatment retained statistical significance for a poorer PFS, with hazard ratios of 8.581 (p = 0.0112) and 9.239 (p = 0.0094), respectively. Conclusions: Five lymphoma subtypes were found in patients with OEL. The histopathologic subtype and the type of treatment were found to be the main factors influencing treatment outcome. Full article
(This article belongs to the Special Issue B Cell Lymphoma)
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Review

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16 pages, 303 KiB  
Review
Therapeutic Updates for Relapsed and Refractory Classical Hodgkin Lymphoma
by Timothy J Voorhees and Anne W Beaven
Cancers 2020, 12(10), 2887; https://doi.org/10.3390/cancers12102887 - 8 Oct 2020
Cited by 24 | Viewed by 5240
Abstract
Hodgkin lymphoma (HL) is a B-cell malignancy representing approximately one in ten lymphomas diagnosed in the United States annually. The majority of patients with HL can be cured with chemotherapy; however, 5–10% will have refractory disease to front-line therapy and 10–30% will relapse. [...] Read more.
Hodgkin lymphoma (HL) is a B-cell malignancy representing approximately one in ten lymphomas diagnosed in the United States annually. The majority of patients with HL can be cured with chemotherapy; however, 5–10% will have refractory disease to front-line therapy and 10–30% will relapse. For those with relapsed or refractory (r/r) HL, salvage chemotherapy followed by autologous stem cell transplant (ASCT) is standard of care, but half of patients will subsequently have disease progression. Relapse following ASCT has been associated with exceedingly poor prognosis with a median survival of only 26 months. However, in recent years, novel agents including brentuximab vedotin (BV) and programmed cell death protein 1 monoclonal antibodies (anti-PD-1, nivolumab and pembrolizumab) have been shown to extend overall survival in r/r HL. With the success of novel agents in relapsed disease after ASCT, these therapies are beginning to show clinically meaningful response rates prior to ASCT. Finally, a new investigation in r/r HL continues to produce promising treatment options even after ASCT including CD30 directed chimeric antigen receptor T-cell therapy. In this review, we will discuss the recent advances of BV and anti-PD-1 therapy prior to ASCT, novel approaches in r/r HL after ASCT, and review active clinical trials. Full article
(This article belongs to the Special Issue B Cell Lymphoma)
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