The paper reports findings from a research study that explored children's experience of divorce. It shows that children experience parental divorce as a crisis in their lives but that they are able to mobilise internal and external resources to regain a new point of balance. In doing so, children demonstrate the degree to which they are active and competent participants in the process of family dissolution. The implications of the data are then considered in relation to engaging with children involved in divorce and in relation to some of the cultural presumptions that might militate against hearing what they have to say about their experiences.
Bisexuality is consistently associated with poor mental health outcomes. In population-based data, this is partially explained by income differences between bisexual people and lesbian, gay, and/or heterosexual individuals. However, the interrelationships between bisexuality, poverty, and mental health are poorly understood. In this paper, we examine the relationships between these variables using a mixed methods study of 302 adult bisexuals from Ontario, Canada. Participants were recruited using respondent-driven sampling to complete an internet-based survey including measures of psychological distress and minority stress. A subset of participants completed a semi-structured qualitative interview to contextualize their mental health experiences. Using information regarding household income, number of individuals supported by the income and geographic location, participants were categorized as living below or above the Canadian Low Income Cut Off (LICO). Accounting for the networked nature of the sample, participants living below the LICO had significantly higher mean scores for depression and posttraumatic stress disorder symptoms and reported significantly more perceived discrimination compared to individuals living above the LICO. Grounded theory analysis of the qualitative interviews suggested four pathways through which bisexuality and poverty may intersect to impact mental health: through early life experiences linked to bisexuality or poverty that impacted future financial stability; through effects of bisexual identity on employment and earning potential; through the impact of class and sexual orientation discrimination on access to communities of support; and through lack of access to mental health services that could provide culturally competent care. These mixed methods data help us understand the income disparities associated with bisexual identity in population-based data, and suggest points of intervention to address their impact on bisexual mental health.
In long-term culture of mouse bone marrow, the growth and differentiation of B-lineage lymphocytes depends on interaction with adherent cells or their products. The objectives of these studies were to characterize the types of cells present in the supporting adherent layer as well as the physical relationships of these cells with lymphocytes. With an extensive panel of antibodies against hemopoietic and lymphocyte antigens, two discrete nonlymphoid populations were identified: macrophages and undefined, large cells which we termed "stromal cells". Lymphocyte clusters grew in actual contact with the latter cells only. Stromal cells lacked expression of most hemopoietic antigens, including the common leukocyte antigen, J11d, heat stable antigen (M1/69), Thy-1 and BP 1. Antigens expressed by stromal cells were detected by AA4.1, our 94.2 antibody, and antibody to the Forsmann antigen, but the most distinguishing characteristics of the lymphocyte-binding stromal cells were production of basement membrane components, laminin and collagen IV, and the extremely low uptake of acetylated low density lipoprotein (LDL). Using acetylated LDL uptake as a sorting criterion, the lymphocyte-binding stromal cells were separated from the macrophages, recultured and shown to support lymphocyte proliferation. We found the binding between stromal cells and lymphocytes to be highly selective and dependent on divalent cations; hence, specialized adhesion mechanisms may have a role in B cell development. Moreover, our studies suggest that phosphatidylinositol-anchored cell surface molecules may be involved in this adhesion. Our findings demonstrate the possibility that a single cell type provides physical support and proliferation stimuli for early B-lineage cells. This accessory cell is not a macrophage; rather, it has features of an endothelial or epithelial cell.
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