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Review
. 2013 Nov;38(11):2383-93.
doi: 10.1016/j.psyneuen.2013.06.016. Epub 2013 Jul 8.

Psychosocial factors and hematopoietic stem cell transplantation: potential biobehavioral pathways

Jennifer M Knight  1 , Jeffrey M Lyness, Olle Jane Z Sahler, Jane L Liesveld, Jan A Moynihan
Affiliations
Review

Psychosocial factors and hematopoietic stem cell transplantation: potential biobehavioral pathways

Jennifer M Knight et al. Psychoneuroendocrinology. 2013 Nov.

Abstract

While psychosocial factors are known to affect cancer progression via biobehavioral pathways in many patient populations, these relationships remain largely unexplored in hematopoietic stem cell transplant (HCT) patients. The purpose of this paper is to critically review the literature regarding psychosocial and endocrine/immune aspects of HCT, with an emphasis on exploring pathways that may mediate the associations between psychosocial factors and disease outcomes. These include the roles of catecholamines, glucocorticoids, inflammation, vascular endothelial growth factor (VEGF), immune reconstitution and infectious susceptibility, as well as the new opportunities available in genomics research. We also discuss the implications for potential immunomodulating psychosocial interventions. Elucidating the biological pathways that account for the associations between psychosocial factors and clinical course could ultimately lead to improved outcomes for this psychologically and immunologically vulnerable population.

Keywords: C-reactive protein; CMV; CRP; GVHD; HCT; HPA; HSV; Hematopoietic stem cell transplantation; NK; PNE; PNI; Psychoneuroendocrinology; Psychoneuroimmunology; Psychooncology; Psychosocial factors; SIRS; VEGF; cytomegalovirus; graft-versus-host-disease; hematopoietic stem cell transplantation; herpes simplex virus; hypothalamic–pituitary–adrenal; natural killer; psychoneuroendocrinology; psychoneuroimmunology; systemic inflammatory response syndrome; vascular endothelial growth factor.

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Conflict of interest statement

None of the authors have any conflicts of interest to disclose.

Figures

Figure 1
Figure 1
This biobehavioral model highlights physiological factors linking psychosocial factors and mediating clinical events with adverse outcomes in hematopoietic stem cell transplant patients. Psychosocial factors, both positive and negative, impact hormonal and messenger systems as well as immune function; this directly affects intermediary clinical events relevant to the overall success of HCT. Mortality, relapse or progression, and survival are commonly assessed final endpoints among the HCT population and may be influenced by these biobehavioral pathways. GVHD, graft-versus-host-disease; VOD, veno-occlusive disease; SIRS, systemic inflammatory response syndrome; VEGF, vascular endothelial growth factor
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