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Stress Exposure in Significant Relationships Is Associated with Lymph Node Status in Breast Cancer.


ABSTRACT:

Objective

Life stress exposure may impact on health and disease. Previous literature showed that stressful life events are associated with cancer incidence, survival and mortality. In animal models, patterns of maternal care have been shown to critically affect stress sensitivity and immunity trajectories later in life, by modifying DNA methylation during critical periods early in life. However, the role of parental care in breast cancer progression and survival has only limitedly been explored. Here, we investigated whether these factors may be linked to biological prognostic variables.

Methods

One hundred twenty-three women hospitalized for surgery of primary breast cancer completed a questionnaire assessing parental bonding. Stressful events throughout the life span were also assessed.

Results

We found that the absence of optimal parental relationships is significantly associated with an increased risk of lymph node involvement, adjusting for confounders, while cumulative stress in the area of sentimental relationships is borderline significantly associated with the same prognostic factor.

Conclusions

Our results suggest that parental bonding and sentimental relations may have a role in breast cancer progression. These variables represent an important evolutionary aspect which may modulate cancer progression through psycho-physiological stress pathways and influence the immune system.

SUBMITTER: Renzi C 

PROVIDER: S-EPMC4766188 | biostudies-literature | 2016

REPOSITORIES: biostudies-literature

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Publications

Stress Exposure in Significant Relationships Is Associated with Lymph Node Status in Breast Cancer.

Renzi Chiara C   Vadilonga Valeria V   Gandini Sara S   Perinel Giada G   Rotmensz Nicole N   Didier Florence F   Rescigno Maria M   Pravettoni Gabriella G  

PloS one 20160224 2


<h4>Objective</h4>Life stress exposure may impact on health and disease. Previous literature showed that stressful life events are associated with cancer incidence, survival and mortality. In animal models, patterns of maternal care have been shown to critically affect stress sensitivity and immunity trajectories later in life, by modifying DNA methylation during critical periods early in life. However, the role of parental care in breast cancer progression and survival has only limitedly been e  ...[more]

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