• Keesha L Roach, Patricia E Hershberger, Julienne N Rutherford, Robert E Molokie, Zaijie Jim Wang, and Diana J Wilkie.
• Department of Biobehavioral Health Sciences, College of Nursing, University of Illinois at Chicago, Chicago, Illinois. Electronic address: kpowel23@uic.edu.
• Pain Manag Nurs. 2018 Aug 1; 19 (4): 430-444.

BackgroundPain is the quintessential symptom for individuals suffering from sickle cell disease (SCD). Although the degree of suffering and the cost of treatment are staggering, SCD continues to be grossly understudied, including a lack of data for pain-related genes and prevalence of polymorphisms in this population. This lack of data adds to the inadequacy of pain therapy in this population. Pain genetics investigators have recently examined allele frequencies of single-nucleotide polymorphisms from candidate genes in people who have SCD. One of the genes identified was the arginine vasopressin receptor 1A gene (AVPR1A) and its associated single-nucleotide polymorphism (SNP) rs10877969. Progress in explaining pain-related polymorphisms associated with SCD can be facilitated by understanding the literature. Aim/Design: The purpose of this literature review was to describe mechanisms of the polymorphic gene AVPR1A and the phenotypic variations associated with its SNPs relative to health conditions and pain.MethodsPublished studies were included if the research addressed AVPR1A and was a full article in a peer-reviewed journal, in the English language, a human or animal study, and published 2009 to present. Abstracts were included if they were in English and provided information not found in a full article.ResultsThe results of this review revealed that AVPR1A is associated with behavioral phenotypes, which include pair bonding, autism spectrum disorder, musical aptitude, infidelity, altruism, monogamy, mating, substance abuse, and alcohol preference. In addition, there were associations with pain, stress pain by sex, and sickle cell pain.ConclusionSummary of this literature could provide insights into future pain research of this SNP in people with SCD.Copyright © 2018 American Society for Pain Management Nursing. Published by Elsevier Inc. All rights reserved.

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