The Immunoglobulin G (IgG) antibody response to different protein antigens of the mammary ductal carcinoma by adult women affected by Breast Cancer (BC) distinguishes at least 103 proteins that differ in their molecular weights (MW). The IgG producing cell clones (nodes) coexist with each other in each individual organism and share energy resources among themselves, as well as factors that control the level of expression and Specificity of their IgG antibodies. So, it can be proposed that among them there is a Network of interconnections (links) unveiled by the antigens, which specifically react with the IgG antibodies produced by the clones. This Network possibly regulates IgG antibodies' activity and effectiveness. We describe the Network of nodes and links that exists between the different antigens and their respective IgG producing cell clones against the extracted protein antigens from the cells of the T47D Cell-Line, in 50 women with BC, 50 women with Benign Breast Pathology (BBP) and 50 women without breast pathology (H). We have found that women with BBP have the highest number of Links, followed by the H group and, lastly, the women with BC, a finding which suggests that cancer interferes with the Connectivity between the IgG producing cell clones and blocks the expression of 322 links in women with BBP and 32 links in women with H. It is also plausible that the largest number of links in the women with BBP indicates the Network’s state of arousal that provides protection against BC. On the other hand, there were many missing links in the BC group of women; the clone which lost more links in the BC group was the hub 24, which point to some of the antigens of T47D as potentially useful as vaccines, as the immune system of women with BBP is well aware of them.

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Background The emergency derived from coronavirus disease 2019 (COVID-19) has taught us important lessons in public and environmental health, particularly in the alarming numbers of existing noncommunicable diseases. However, one aspect to which little attention has been paid during the pandemic is mental health and its relationship with the gender perspective, in spite of gender being a determinant associated with health. In contrast, regarding health, few schemes and theories consider health from a positive and comprehensive perspective. Methods This study was designed to examine the symptoms of stress and positive coping from a gender perspective. For this, the Stress Symptomatology Inventory, the Positive Coping to Life Scale and a general data questionnaire were applied to 665 individuals underwent the severe acute respiratory syndrome coronavirus 2 test at the Center for Health Studies and Services of the Universidad Veracruzana from July 2020 to November 2021. Findings We found that women presented more stress symptoms and less positive coping in the factor of positive self-regulation of adverse situations and the factors of self-determination and positive self-regulation of important situations. Moreover, significant differences in the associations of these variables were observed between men and women. Conclusions Therefore, the needs of women must be considered in the approach to the emergency department due to COVID-19 and in general in the health–disease process; therefore, not considering a gender approach will continue to deepen inequalities between sexes.