Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
Uhl, B; Prochazka, KT; Fechter, K; Pansy, K; Greinix, HT; Neumeister, P; Deutsch, AJ.
Impact of the microenvironment on the pathogenesis of mucosa-associated lymphoid tissue lymphomas.
World J Gastrointest Oncol. 2022; 14(1): 153-162.
Doi: 10.4251/wjgo.v14.i1.153
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- Führende Autor*innen der Med Uni Graz
- Deutsch Alexander
- Uhl Barbara
- Co-Autor*innen der Med Uni Graz
- Fechter Karoline
- Greinix Hildegard
- Neumeister Peter
- Pansy Katrin
- Prochazka Katharina
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- Abstract:
- Approximately 8% of all non-Hodgkin lymphomas are extranodal marginal zone B cell lymphomas of mucosa-associated lymphoid tissue (MALT), also known as MALT lymphomas. These arise at a wide range of different extranodal sites, with most cases affecting the stomach, the lung, the ocular adnexa and the thyroid. The small intestine is involved in a lower percentage of cases. Lymphoma growth in the early stages is associated with long-lasting chronic inflammation provoked by bacterial infections (e.g., Helicobacter pylori or Chlamydia psittaci infections) or autoimmune conditions (e.g., Sjögren's syndrome or Hashimoto thyroiditis). While these inflammatory processes trigger lymphoma cell proliferation and/or survival, they also shape the microenvironment. Thus, activated immune cells are actively recruited to the lymphoma, resulting in either direct lymphoma cell stimulation via surface receptor interactions and/or indirect lymphoma cell stimulation via secretion of soluble factors like cytokines. In addition, chronic inflammatory conditions cause the acquisition of genetic alterations resulting in autonomous lymphoma cell growth. Recently, novel agents targeting the microenvironment have been developed and clinically tested in MALT lymphomas as well as other lymphoid malignancies. In this review, we aim to describe the composition of the microenvironment of MALT lymphoma, the interaction of activated immune cells with lymphoma cells and novel therapeutic approaches in MALT lymphomas using immunomodulatory and/or microenvironment-targeting agents.
- Find related publications in this database (Keywords)
- Mucosa-associated lymphoid tissue lymphoma
- Tumor microenvironment
- Microenvironment
- Helicobacter pylori
- Activated immune cells