Interleukin-7 (IL-7) is required, and limiting, for T-cell development and survival. IL-7 production by stromal cells in lymphoid tissues is constitutive. The amount of available IL-7 is proposed to ...

Every Christmas my husband suggests getting a fake tree that doesn’t drop needles or drip sap on him when he’s stringing lights. I listen respectfully to his wishes—because marriage is a two-way ...