ReviewFrontiers in public health2026
Nutritional status and cancer survival among rural Chinese women: biological mechanisms, health disparities, and translational opportunities.
Review in Frontiers in public health, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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4 authors.
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Abstract
Cancer remains a major cause of premature mortality among women worldwide, and its burden is particularly pronounced in rural China, where delayed diagnosis, uneven access to oncology services, and nutritional vulnerability may jointly affect survival. This narrative review synthesizes mechanistic, clinical, and population-level evidence on the relationship between nutritional status and cancer survival among rural Chinese women, with a focus on breast, cervical, gastric, and colorectal cancers. It first outlines the epidemiological profile of major female cancers in rural China and summarizes persistent rural-urban disparities in cancer incidence, stage at diagnosis, treatment access, and survival. It then examines nutrition-related challenges in rural settings, including dietary transition, micronutrient insufficiency, metabolic vulnerability, food insecurity, limited dietary diversity, and the increasing availability of energy-dense ultra-processed foods. The biological pathways linking nutritional status to cancer progression, treatment tolerance, and survivorship are discussed across four interconnected domains: insulin-IGF-1 and AMPK-mTOR signaling, adiposity-related inflammation and tumor microenvironment remodeling, gut microbiome-diet-metabolite interactions affecting estrogen metabolism, and micronutrient-dependent epigenetic regulation. Available clinical and epidemiological evidence on dietary patterns, nutritional biomarkers, and cancer prognosis in Chinese women is reviewed, with attention to methodological limitations and the shortage of rural-specific longitudinal data. The review further considers how food insecurity, low nutrition literacy, weak integration of oncology and nutrition services, and structural inequities in rural health systems may amplify survival disparities. Finally, translational opportunities are discussed, including community-based nutritional screening, integration of nutrition assessment into county-level oncology care, digital health tools, and scalable dietary counseling models adapted to rural contexts. Overall, this review highlights the need for prospective cohort studies with repeated nutritional biomarker assessments, mechanistic validation in rural populations, and equity-oriented policy strategies to improve cancer survivorship among rural Chinese women.
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