Background/Objectives: Why are some children more likely than others to develop resilience in the face of similar levels of trauma exposure as compared to others who do not. It is increasingly clear that there are critical roles for predisposing genetic and environmental influences in differentially mediating psychological risk. Resilience differs from traditional concepts of risk and protection in its focus on individual variations in response to comparable experiences. Here, we tested the hypothesis that anxiety and depression as well as neural repair and plasticity related polymorphisms may partly account for the difference in resilience observed during treatment for acute lymphoblastic leukemia (ALL). Design/Methods: Forty-five patients (1-18 yrs old) diagnosed with ALL were enrolled in two centers (protocol AIEOP-BFM-2009) and genotyped for 5HTT and BDNF (val66met). Patients and their family were subjected to a short screening battery, psychosocial testing (PAT2.1) and a specific assessment of their resiliency during treatment. The resiliency scale was composed of three subscales: Sense of Mastery (MAS), Sense of Relatedness (REL), and Emotional Reactivity (REA). Results: Patients with the SL allele of 5HTTLPR had a more compromised score in some areas of resiliency than patients with the LL allele; the presence of the S allele most affected emotional reactivity REA and sense of mastery MAS. Furthermore, age was an important factor, as younger children displayed a reduced trust and tolerance versus their surroundings. This then contributed importantly to an overall reduction in their overall resiliency. Also, resiliency was reduced one year into therapy while vulnerability was significantly enhanced. Conclusion: Genes regulating susceptibility to stress, such as 5HTTLPR and BDNF, may help to predict susceptibility towards the development of resiliency in children and adolescents treated for cancer, and may play a critical role as a predisposing factor in differentially dealing efficiently with the emotional risks related to cancer and its treatment.
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|Data di pubblicazione:||2015|
|Titolo:||RESILIENCY OF CHILDREN AND ADOLESCENTS DURING TREATMENT OF ACUTE LYMPHOBLASTIC LEUKEMIA: THE USE OF 5-HTT AND BDNF POLYMORPHISMS AS BIOMARKERS|
|Autori:||Blom, J; Pomicino, L; Migliozzi, C; Montanari, L; Rigillo, G; Zanazzo, G; Cellini, M; Benatti, C; Tascedda, F.|
|Appare nelle tipologie:||Abstract in Rivista|
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