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The spleen is an important secondary lymph organ. Splenomegaly induced by anemia could affect the function of spleen in immune responses. We observe that anemia induced in mice with reduced peripheral T cell trafficking to the spleen T cell zones as well as CCL21 and CCL19 expression. In accordance with previous research, we found that the production of EPO in the mice kidney was sharply increased post anemia. In addition, mice were injected with different doses of EPO. Our results show that with the increased dosage of EPO, the chemokine expression in the spleen is lowered with a decrease in peripheral T cell homing to the spleen T cell zones. At last, our results show that the anemia mice model administrated with anti-EPO antibody had a higher expression of spleen CCL19 and CCL21 and an increased count of periphery T cells trafficking to spleen T cell zones at day 3 post induction. These data indicate that anemia could disturb T cell movement in the spleen, which might further affect T cell immune response, with partial involvement of EPO.
This article was published in the following journal.
Name: Molecular immunology
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Enlargement of the spleen.
A neoplasm of prolymphocytes affecting the blood, bone marrow, and spleen. It is characterized by prolymphocytes exceeding 55% of the lymphoid cells in the blood and profound splenomegaly.
The movement of CYTOPLASM within a CELL. It serves as an internal transport system for moving essential substances throughout the cell, and in single-celled organisms, such as the AMOEBA, it is responsible for the movement (CELL MOVEMENT) of the entire cell.
Strains of MURINE LEUKEMIA VIRUS that are replication-defective and rapidly transforming. The envelope gene plays an essential role in initiating erythroleukemia (LEUKEMIA, ERYTHROBLASTIC, ACUTE), manifested by splenic foci, SPLENOMEGALY, and POLYCYTHEMIA. Spleen focus-forming viruses are generated by recombination with endogenous retroviral sequences.
A myeloproliferative disorder of unknown etiology, characterized by abnormal proliferation of all hematopoietic bone marrow elements and an absolute increase in red cell mass and total blood volume, associated frequently with splenomegaly, leukocytosis, and thrombocythemia. Hematopoiesis is also reactive in extramedullary sites (liver and spleen). In time myelofibrosis occurs.
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