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Fig. 3 | Diagnostic Pathology

Fig. 3

From: An autopsy case of peripheral T cell lymphoma occurring in a postpartum woman: a unique case suggesting changes in the immunocharacteristics of lymphoma cells before and after delivery

Fig. 3

The immune system during pregnancy and after delivery. The T helper 1-type reaction is downregulated during pregnancy. Moreover, immunoregulatory molecules, including progesterone-induced blocking factor (PIBF), placental suppressor factor and trophoblast cell-derived factor, suppress lymphocyte proliferation during pregnancy. After pregnancy, the T helper 2 dominance disappears. In addition, some or all of these immunoregulatory molecules are reduced and lymphocytes can proliferate after delivery

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Diagnostic Pathology

ISSN: 1746-1596

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