Optimizing the delivery of early palliative care for hematology patients receiving a stem cell transplant: A role for a Nurse Practitioner.

A hematopoietic stem cell transplant (HSCT) is an intense treatment approach for patients with a hematologic malignancy and brings a significant risk for morbidity and mortality. HSCT brings hope of cure for patients; however, treatments are lengthy and burdensome from both a physical and psychosocial perspective. As the culture of HSCT has traditionally been cure-oriented, it leaves little room for a potential partnership with palliative care services, and when palliative care services are introduced, it is often too late for significant benefit.

Natural killer cells regulate T-cell proliferation during human parainfluenza virus type 3 infection.

Human parainfluenza virus type 3 (HPIV3) is a major respiratory pathogen in humans. Failure to induce immunological memory associated with HPIV3 infection has been attributed to inhibition of lymphocyte proliferation. We demonstrate that the inability of mixed lymphocytes to respond to virally infected antigen-presenting cells is due to an interleukin-2-dependent, nonapoptotic mechanism involving natural killer (NK) cells and their influence is exerted in a contact-dependent manner.