Publications by authors named "Tracy Delaney"

Introduction: We describe the California Healthy Places Index (HPI) and its performance relative to other indexes for measuring community well-being at the census-tract level. The HPI arose from a need identified by health departments and community organizations for an index rooted in the social determinants of health for place-based policy making and program targeting. The index was geographically granular, validated against life expectancy at birth, and linked to policy actions.

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Preventing food waste can divert food from landfills to feed people, combat climate change, preserve natural resources, and save money. In February 2017, the Nutrition Policy Institute and the Public Health Alliance of Southern California initiated a multisector collaboration among California state agencies to raise awareness about food waste. After development and distribution of a Communications Guide, Food Waste Prevention Week was launched successfully in March 2018, with official support from California's Governor, Secretary of Agriculture, Superintendent of Public Instruction, and other leaders.

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Systemic sclerosis (SSc) is a debilitating inflammatory and fibrotic disease that affects the skin and internal organs. Although the pathophysiology of SSc remains poorly characterized, mononuclear cells, mainly macrophages and T cells, have been implicated in inflammation and fibrosis. Inducible costimulator (ICOS), which is expressed on a subset of memory T helper (T) and T follicular helper (T) cells, has been shown to be increased in SSc and associated with disease pathology.

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Type I IFNs play a critical role in the immune response to viral infection and may also drive autoimmunity through modulation of monocyte maturation and promotion of autoreactive lymphocyte survival. Recent demonstrations of type I IFN gene signatures in autoimmune diseases, including scleroderma, led us to investigate the pathological role of IFNs in a preclinical model of sclerodermatous graft-versus-host disease. Using a neutralizing Ab against the type I IFN receptor IFNAR1, we observed a marked reduction in dermal inflammation, vasculopathy, and fibrosis compared with that seen in the presence of intact IFNAR1 signaling.

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Objective: Systemic sclerosis (SSc) is a fibrotic disease characterized by an obliterative vasculopathy with thrombosis and impairment of the coagulation-fibrinolysis balance. Plasminogen activator inhibitor 1 (PAI-1) is the major inhibitor of profibrinolytic plasminogen activators (PAs). This study was undertaken to evaluate the contribution of PAI-1 to SSc pathology in the skin.

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Introduction: Farmers market programs may increase access to more healthful foods and reduce the high prevalence of obesity in low-income communities. The objective of this study was to examine outcomes of the Fresh Fund farmers market program serving low-income neighborhoods in San Diego, California.

Methods: Through its Farmers Market Fresh Fund Incentive Program, the County of San Diego Health and Human Services Agency offered monetary incentives to government nutrition assistance recipients to purchase fresh produce at 5 farmers markets.

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Although respiratory syncytial virus (RSV) infection is the most important cause of bronchiolitis in infants, the pathogenesis of RSV disease is poorly described. We studied histopathologic changes in a panel of lung tissue specimens obtained from infants with fatal cases of primary RSV infection. In these tissues, airway occlusion with accumulations of infected, apoptotic cellular debris and serum protein was consistently observed.

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Several autoimmune disease models depend on an imbalance in the activation of aggressor T(h)1 and CD4(+)CD25(+) regulatory T (T(reg)) cells. Here we compare the requirement for signals through the co-stimulatory molecules CD28 and inducible co-stimulator (ICOS) in chronic murine colitis, a model for inflammatory bowel disease. We used a colitis model in which disease-causing CD45RB(hi) T cells alone or in combination with CD4(+)CD25(+) T cells from either CD28-deficient or wild-type donors were transferred into T cell-deficient animals, half of which were treated with ICOS-blocking reagents.

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Benefit mandates require that some service be provided. Mental health and substance abuse treatment mandates are two of the many types of benefit mandates in state law. The debate over mandated benefit legislation typically centers around consumer protection versus cost.

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Parity benefits for mental health continue to be on the agenda of many state legislatures. A broad spectrum of opinions surround what mental health parity could and should be. There are strong proponents that advocate for nothing less than full parity for mental health and substance abuse treatment; equally strong are the groups that oppose parity because they believe it will lead to a health care cost increase and, therefore, an increase in the number of uninsured.

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A characteristic feature of rheumatoid arthritis is the abundance of inflammatory cells in the diseased joint. Two major components of this infiltrate are neutrophils in the synovial fluid and macrophages in the synovial tissue. These cells produce cytokines including tumor necrosis factor alpha and other proinflammatory mediators that likely drive the disease through its effector phases.

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