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The impact of school subsidies on HIV-related outcomes among adolescent female orphans.

ABSTRACT: We examine effects of school support as a structural HIV prevention intervention for adolescent female orphans in Zimbabwe after 5 years.Three hundred twenty-eight orphan adolescent girls were followed in a clustered randomized controlled trial from 2007 to 2010. The experimental group received school fees, uniforms, and school supplies and were assigned a school-based "helper." In 2011-2012, the control group received delayed partial treatment of school fees only. At the final data point in 2012, survey, HIV, and Herpes Simplex Virus Type 2 (HSV-2) biomarker data were collected from approximately 88% of the sample. Bivariate and multivariate analyses were conducted on end point outcomes, controlling for age, religious affiliation, and baseline socioeconomic status.The two groups did not differ on HIV or HSV-2 biomarkers. The comprehensive 5-year intervention continued to reduce the likelihood of marriage, improve school retention, improve socioeconomic status (food security), and marginally maintain gains in quality of life, even after providing school fees to the control group.Paying school fees and expenses resulted in significant improvements in life outcomes for orphan adolescent girls. Biological evidence of HIV infection prevention, however, was not observed. Our study adds to the growing body of research on school support as HIV prevention for girls in sub-Saharan Africa, but as yet, no clear picture of effectiveness has emerged.

SUBMITTER: Hallfors DD

PROVIDER: S-EPMC4274377 | biostudies-literature | 2015 Jan

REPOSITORIES: biostudies-literature

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The impact of school subsidies on HIV-related outcomes among adolescent female orphans.

Hallfors Denise Dion DD Cho Hyunsan H Rusakaniko Simbarashe S Mapfumo John J Iritani Bonita B Zhang Lei L Luseno Winnie W Miller Ted T

The Journal of adolescent health : official publication of the Society for Adolescent Medicine 20150101 1

<h4>Purpose</h4>We examine effects of school support as a structural HIV prevention intervention for adolescent female orphans in Zimbabwe after 5 years.<h4>Methods</h4>Three hundred twenty-eight orphan adolescent girls were followed in a clustered randomized controlled trial from 2007 to 2010. The experimental group received school fees, uniforms, and school supplies and were assigned a school-based "helper." In 2011-2012, the control group received delayed partial treatment of school fees only ...[more]

PMID: 25530603

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Project description:BackgroundEarly life environmental exposures affect breast development and breast cancer risk in adulthood. The breast is particularly vulnerable during puberty when mammary epithelial cells proliferate exponentially. In overweight/obese (OB) women, inflammation increases breast aromatase expression and estrogen synthesis and promotes estrogen-receptor (ER)-positive breast cancer. In contrast, recent epidemiological studies suggest that obesity during childhood decreases future breast cancer risk. Studies on environmental exposures and breast cancer risk have thus far been limited to animal models. Here, we present the first interrogation of the human adolescent breast at the molecular level and investigate how obesity affects the immature breast.MethodsWe performed RNA-seq in 62 breast tissue samples from adolescent girls/young women (ADOL; mean age 17.8 years) who underwent reduction mammoplasty. Thirty-one subjects were non-overweight/obese (NOB; mean BMI 23.4 kg/m2) and 31 were overweight/obese (OB; BMI 32.1 kg/m2). We also compared our data to published mammary transcriptome datasets from women (mean age 39 years) and young adult mice, rats, and macaques.ResultsThe ADOL breast transcriptome showed limited (30%) overlap with other species, but 88% overlap with adult women for the 500 most highly expressed genes in each dataset; only 43 genes were shared by all groups. In ADOL, there were 120 differentially expressed genes (DEG) in OB compared with NOB samples (padj < 0.05). Based on these DEG, Ingenuity Pathway Analysis (IPA) identified the cytokines CSF1 and IL-10 and the chemokine receptor CCR2 as among the most highly activated upstream regulators, suggesting increased inflammation in the OB breast. Classical ER targets (e.g., PR, AREG) were not differentially expressed, yet IPA identified the ER and PR and growth factors/receptors (VEGF, HGF, HER3) and kinases (AKT1) involved in hormone-independent ER activation as activated upstream regulators in OB breast tissue.ConclusionsThese studies represent the first investigation of the human breast transcriptome during late puberty/young adulthood and demonstrate that obesity is associated with a transcriptional signature of inflammation which may augment estrogen action in the immature breast microenvironment. We anticipate that these studies will prompt more comprehensive cellular and molecular investigations of obesity and its effect on the breast during this critical developmental window.

Project description:The rising incidence of infection among youth in sub-Saharan Africa makes HIV-related research among younger people a top priority. There remains, however, a lack of consistent and unambiguous ethical principles and guidance for researchers wishing to conduct HIV studies with adolescents. The overarching aim of our research was to better understand youths' experiences with HIV studies. The present study explored four questions: (1) What strategies are effective for recruiting youth for HIV studies? (2) What motivates youth to participate in these studies? (3) How do study participants perceive HIV testing within the context of a research study? (4) What do participants understand about the risks of study participation? These data are essential to inform guidelines for the responsible conduct of research with young people. We interviewed 82 adolescents (aged 15-19) in Kenya taking part in a study examining ethical issues pertaining to their involvement in HIV-related research. Pursuant to our research questions, we found that direct study recruitment combined with encouragement from female relatives was the greatest facilitator to study enrolment among young people. Most young participants expressed that they were motivated to join the study in order to (1) learn their HIV status (n = 49) and (2) receive HIV-related education (n = 26), even though both are already free and widely available. Participants largely preferred testing in a place they deemed "private," although both the health clinic and home were regarded by adolescents as locations with greater privacy. Adolescents largely did not accurately perceive risks of the study two months after baseline, although they could remember the benefits with great clarity. This work can inform researchers, policymakers, and ethics review committees on approaches to maximize efficiency in recruitment and data collection, and to enhance understanding of risks and benefits in HIV-related research among adolescents. While further research is needed, these data may be used by others conducting HIV research in this region to improve recruitment strategies and more effectively engage and appeal to young people.

Dataset Information

The impact of school subsidies on HIV-related outcomes among adolescent female orphans.

Publications

The impact of school subsidies on HIV-related outcomes among adolescent female orphans.

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