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Wen S, Liu T, Zhang H, Zhou X, Jin H, Sun M, Yun Z, Luo H, Ni Z, Zhao R, Fan B. Whole-Exome Sequencing Reveals New Potential Mutations Genes for Primary Mucosa-Associated Lymphoid Tissue Lymphoma Arising From the Kidney. Front Oncol 2021; 10:609839. [PMID: 33585230 PMCID: PMC7873889 DOI: 10.3389/fonc.2020.609839] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2020] [Accepted: 11/25/2020] [Indexed: 12/31/2022] Open
Abstract
Low-grade B cell lymphomas of mucosa-associated lymphoid tissue (MALT) lymphomas involving the kidney were extremely rare, genetic alteration or molecular features was not yet explored, which may lead to limited choices for postoperative adjuvant or targeted. Whole-exome sequencing based tumor mutation profiling was performed on the tumor sample from a 77-year-old female presenting with discomfort at the waist was pathologically diagnosed as MALT lymphomas in the right kidney. We identified 101 somatic SNVs, and the majority of the identified SNVs were located in CDS and intronic regions. A total of 190 gain counts of CNVs with a total size of 488,744,073 was also investigated. After filtering with the CGC database, seven predisposing genes (ARID4A, COL2A1, FANCL, ABL2, HSP90AB1, FANCA, and DIS3) were found in renal MALT specimen. Furthermore, we compared somatic variation with known driver genes and validated three mutational driver genes including ACSL3, PHOX2B, and ADCY1. Sanger sequencing of germline DNA revealed the presence of a mutant base T of PHOX2B and a mutant base C of ADCY1 in the sequence, which were discovered for the first time in MALT lymphomas involving the kidney. Moreover, immunohistochemical analysis revealed that tumor cells were positive for CD20, CD79a, PAX5, CD21, and CD23, and expression of CD3, CD5, and CD8 were observed in reactive T lymphocytes surrounding tumor cells. These findings illustrated that concurrent aberrant PHOX2B and ADCY1 signaling may be a catastrophic event resulting in disease progression and inhibition of the putative driver mutations may be alternative adjuvant therapy for MALT lymphoma in the kidney which warrants further clinical investigation.
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Affiliation(s)
- Shuang Wen
- Department of Pathology, Dalian Friendship Hospital, Dalian, China
| | - Tianqing Liu
- Department of Pathology, Dalian Friendship Hospital, Dalian, China
| | - Hongshuo Zhang
- Department of Biochemistry, Institute of Glycobiology, Dalian Medical University, Dalian, China
| | - Xu Zhou
- Section of Experimental Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Huidan Jin
- Department of Anaesthesiology, Fifth Affiliated Hospital of Sun Yat-Sen University, Zhuhai, China
| | - Man Sun
- Department of Clinical Medicine, Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Zhifei Yun
- Department of Clinical Medicine, Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Hong Luo
- Department of Clinical Medicine, Second Affiliated Hospital of Dalian Medical University, Dalian, China
| | - Ze Ni
- Department of Pharmacy, Zhongshan College of Dalian Medical University, Dalian, China
| | - Rui Zhao
- Department of Pharmacy, Zhongshan College of Dalian Medical University, Dalian, China
| | - Bo Fan
- Department of Urology, Second Affiliated Hospital of Dalian Medical University, Dalian, China
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Kiesewetter B, Raderer M. Immunomodulatory treatment for mucosa-associated lymphoid tissue lymphoma (MALT lymphoma). Hematol Oncol 2020; 38:417-424. [PMID: 32469432 DOI: 10.1002/hon.2754] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 05/09/2020] [Accepted: 05/25/2020] [Indexed: 12/12/2022]
Abstract
The pathogenesis of mucosa-associated lymphoid tissue (MALT) lymphoma has been characterized as a dynamic process driven by lymphoma cell dependency on T-cell signaling, chronic antigenic stimulation of marginal zone B-cells and activation of the nuclear factor-kappa B signaling pathway. This concept is underlined by the strong causal connection of chronic Helicobacter pylori associated gastritis and MALT lymphoma development based on perpetual auto-antigenic stimulation of Helicobacter pylori-specific T-cells, but also its association with further potential infectious triggers and autoimmune disorders for extragastric lymphoma sites. Thus, given the dependency of MALT lymphoma cells on the tumor microenvironment, this specific entity appears highly suitable for immunomodulatory treatment strategies. Several approaches have been assessed in the last years including promising data on immunomodulatory agents "IMiDs" thalidomide and lenalidomide, macrolide antibiotics and antibodies. The aim of the present review is to discuss rationales for immunomodulatory therapies in MALT lymphoma and to present the statu quo on immunomodulatory and therefore chemotherapy-free treatment strategies for these patients.
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Affiliation(s)
- Barbara Kiesewetter
- Department of Medicine I, Division of Oncology, Medical University of Vienna, Vienna, Austria
| | - Markus Raderer
- Department of Medicine I, Division of Oncology, Medical University of Vienna, Vienna, Austria
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Tanenbaum RE, Galor A, Dubovy SR, Karp CL. Classification, diagnosis, and management of conjunctival lymphoma. EYE AND VISION 2019; 6:22. [PMID: 31372366 PMCID: PMC6660942 DOI: 10.1186/s40662-019-0146-1] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 06/15/2019] [Indexed: 02/06/2023]
Abstract
Lymphoma is a malignant lymphoproliferative tumor that can involve the conjunctiva. Approximately 5-15% of all extranodal lymphomas are found in the ocular adnexal region, with approximately 25% of those involving the conjunctiva. Ninety-eight percent of conjunctival lymphomas arise from B-lymphocytes. The most common subtype of conjunctival lymphoma is extranodal marginal zone lymphoma (80%), followed by follicular lymphoma (8%), diffuse large B-cell lymphoma (3%) and mantle cell lymphoma (3%). Natural killer and T cells (NK/T) are rare causes of lymphoma. While most conjunctival lymphomas are localized to the ocular adnexa at the time of presentation, systemic examination and management are of key importance in the long-term care of the patient. This review outlines the classification, etiology, presentation, diagnosis, and management of conjunctival lymphoma. The novel use of high resolution optical coherence tomography, both as a diagnostic tool and as a means for ongoing evaluation during treatment, is illustrated. Treatment options discussed include external beam radiation, chemotherapy, immunotherapy, antibiotic therapy, and combination regimens. Future investigation of the etiology and pathogenesis of conjunctival lymphoma is expected to reveal opportunities for innovative and individualized therapeutic agents. Collaboration between multiple disciplines is key in the advancement of the field.
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Affiliation(s)
- Rebecca E Tanenbaum
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th St., Miami, Miami, FL 33136 USA
| | - Anat Galor
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th St., Miami, Miami, FL 33136 USA
| | - Sander R Dubovy
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th St., Miami, Miami, FL 33136 USA
| | - Carol L Karp
- Department of Ophthalmology, Bascom Palmer Eye Institute, University of Miami Miller School of Medicine, 900 NW 17th St., Miami, Miami, FL 33136 USA
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First-line antibiotic therapy in Helicobacter pylori-negative low-grade gastric mucosa-associated lymphoid tissue lymphoma. Sci Rep 2017; 7:14333. [PMID: 29084984 PMCID: PMC5662601 DOI: 10.1038/s41598-017-14102-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2017] [Accepted: 10/02/2017] [Indexed: 12/13/2022] Open
Abstract
First-line antibiotic treatment for eradicating Helicobacter pylori (HP) infection is effective in HP-positive low-grade gastric mucosa-associated lymphoid tissue lymphoma (MALToma), but its role in HP-negative cases is uncertain. In this exploratory retrospective study, we assessed the outcome and potential predictive biomarkers for 25 patients with HP-negative localized gastric MALToma who received first-line HP eradication (HPE) therapy. An HP-negative status was defined as negative results on histology, rapid urease test, 13C urea breath test, and serology. We observed an antibiotic response (complete remission [CR], number = 8; partial remission, number = 1) in 9 (36.0%) out of 25 patients. A t(11;18)(q21;q21) translocation was detected in 7 (43.8%) of 16 antibiotic-unresponsive cases, but in none of the 9 antibiotic-responsive cases (P = 0.027). Nuclear BCL10 expression was significantly higher in antibiotic-unresponsive tumors than in antibiotic-responsive tumors (14/16 [87.5%] vs. 1/9 [11.1%]; P = 0.001). Nuclear NF-κB expression was also significantly higher in antibiotic-unresponsive tumors than in antibiotic-responsive tumors (12/16 [75.0%] vs. 1/9 [11.1%]; P = 0.004). A substantial portion of patients with HP-negative gastric MALToma responded to first-line HPE. In addition to t(11;18)(q21;q21), BCL10 and NF-κB are useful immunohistochemical biomarkers to predict antibiotic-unresponsive status in this group of tumors.
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Richards H, Ramsden C, Naidoo R, Yvon C, Jacob E, Mohamedbhai S. Ocular adnexal lymphomas: a review. EXPERT REVIEW OF OPHTHALMOLOGY 2017. [DOI: 10.1080/17469899.2017.1280394] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Huw Richards
- North Middlesex University Hospital NHS Trust, London, UK
| | - Conor Ramsden
- Institute of Ophthalmology, University College London, London, UK
- Moorfields Eye Hospital NHS Foundation Trust and UCL Institute of Ophthalmology, London, UK
| | | | - Camille Yvon
- Institute of Ophthalmology, University College London, London, UK
- Frimley Park Hospital, Portsmouth Road, Frimley, Surrey, UK
| | | | - Sajir Mohamedbhai
- North Middlesex University Hospital NHS Trust, London, UK
- University College Hospital NHS Foundation Trust, London, UK
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Review article: Mucosa-associated lymphoid tissue (MALT)-type lymphoma of ocular adnexa. Biology and treatment. Crit Rev Oncol Hematol 2016; 100:37-45. [DOI: 10.1016/j.critrevonc.2016.01.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 12/08/2015] [Accepted: 01/14/2016] [Indexed: 12/27/2022] Open
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Rituximab as Single Agent in Primary MALT Lymphoma of the Ocular Adnexa. BIOMED RESEARCH INTERNATIONAL 2015; 2015:895105. [PMID: 26425558 PMCID: PMC4575717 DOI: 10.1155/2015/895105] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 07/06/2015] [Accepted: 07/14/2015] [Indexed: 12/22/2022]
Abstract
Ocular Adnexal Lymphomas are the first cause of primary ocular malignancies, and among them the most common are MALT Ocular Adnexal Lymphomas. Recently systemic immunotherapy with anti-CD20 monoclonal antibody has been investigated as first-line treatment; however, the optimal management for MALT Ocular Adnexal Lymphomas is still unknown. The present study evaluated retrospectively the outcome of seven consecutive patients with primary MALT Ocular Adnexal Lymphomas, of whom six were treated with single agent Rituximab. All patients received 6 cycles of Rituximab 375 mg/mq every 3 weeks intravenously. The overall response rate was 100%; four patients (67%) achieved a Complete Remission, and two (33%) achieved a partial response. In four patients an additional Rituximab maintenance every 2-3 months was given for two years. After a median follow-up of 29 months (range 8-34), no recurrences were observed, without of therapy- or disease-related severe adverse events. None of the patients needed additional radiotherapy or other treatments. Rituximab as a single agent is highly effective and tolerable in first-line treatment of primary MALT Ocular adnexal Lymphomas. Furthermore, durable responses are achievable with the same-agent maintenance. Rituximab can be considered the agent of choice in the management of an indolent disease in whom the "quality of life" matter is of primary importance.
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