Results 91 to 100 of about 1,890,522 (312)

Comportamientos sexuales e incidencia de los programas de salud sexual y reproductiva en estudiantes de secundaria de sectores populares y de la universidad pública en la ciudad de Cali, Colombia

open access: yesCadernos de Saúde Pública
Con el objetivo de hacer una evaluación cualitativa de los comportamientos o prácticas sexuales, y la inci-dencia de los programas de salud sexual y reproducti-va en los usuarios adolescentes y postadolescentes es-colarizados de Cali, Colombia, se ...
Fernando Urrea-Giraldo   +4 more
doaj  

Infrared laser sampling of low volumes combined with shotgun lipidomics reveals lipid markers in palatine tonsil carcinoma

open access: yesMolecular Oncology, EarlyView.
Nanosecond infrared laser (NIRL) low‐volume sampling combined with shotgun lipidomics uncovers distinct lipidome alterations in oropharyngeal squamous cell carcinoma (OPSCC) of the palatine tonsil. Several lipid species consistently differentiate tumor from healthy tissue, highlighting their potential as diagnostic markers.
Leonard Kerkhoff   +11 more
wiley   +1 more source

Unsafe Sex, AIDS, and Development [PDF]

open access: yes
Much of Africa has been ravaged by the AIDS epidemic. There, heterosexual contact is the primary mode of transmission for the HIV virus. Even when access to condoms is good and their price low, a large fraction of young Africans continue to engage in ...
Bhattacharya, Joydeep   +2 more
core  

A behavioral two-sex marriage model [PDF]

open access: yes, 1998
This is an electronic version of an article published in Mathematical Population Studies, Vol. 9 (2), March 2001, 97-121.
John K. Dagsvik   +2 more
openaire   +3 more sources

Crucial parameters for precise copy number variation detection in formalin‐fixed paraffin‐embedded solid cancer samples

open access: yesMolecular Oncology, EarlyView.
This study shows that copy number variations (CNVs) can be reliably detected in formalin‐fixed paraffin‐embedded (FFPE) solid cancer samples using ultra‐low‐pass whole‐genome sequencing, provided that key (pre)‐analytical parameters are optimized.
Hanne Goris   +10 more
wiley   +1 more source

Prostituição juvenil feminina e a prevenção da Aids em Ribeirão Preto, SP

open access: yesRevista de Saúde Pública
OBJETIVOS: Investigar as percepções sobre a Aids para o desenvolvimento de programas de prevenção de Aids com a prostituição juvenil feminina. MÉTODOS: Foram entrevistadas 13 jovens com idades entre 18 e 21 anos, que trabalham como prostitutas na cidade ...
Cristiane Paulin Simon   +2 more
doaj  

Tumour–host interactions in Drosophila: mechanisms in the tumour micro‐ and macroenvironment

open access: yesMolecular Oncology, EarlyView.
This review examines how tumour–host crosstalk takes place at multiple levels of biological organisation, from local cell competition and immune crosstalk to organism‐wide metabolic and physiological collapse. Here, we integrate findings from Drosophila melanogaster studies that reveal conserved mechanisms through which tumours hijack host systems to ...
José Teles‐Reis, Tor Erik Rusten
wiley   +1 more source

Colorectal cancer‐derived FGF19 is a metabolically active serum biomarker that exerts enteroendocrine effects on mouse liver

open access: yesMolecular Oncology, EarlyView.
Meta‐transcriptome analysis identified FGF19 as a peptide enteroendocrine hormone associated with colorectal cancer prognosis. In vivo xenograft models showed release of FGF19 into the blood at levels that correlated with tumor volumes. Tumoral‐FGF19 altered murine liver metabolism through FGFR4, thereby reducing bile acid synthesis and increasing ...
Jordan M. Beardsley   +5 more
wiley   +1 more source

O significado de fidelidade e as estratégias para prevenção da Aids entre homens casados

open access: yesRevista de Saúde Pública
OBJETIVOS: Descrever as representações sobre fidelidade e os usos do preservativo por homens casados e sugerir estratégias de redução de risco e prevenção da Aids. MÉTODOS: Dez homens casados, moradores de Americanópolis, bairro da periferia do Município
Cristiane Gonçalves Meireles da Silva
doaj  

Sex-specific responses to cannabis exposure: Implications for behavior and beyond

open access: yesBrain Research Bulletin
Cannabis is one of the most widely used psychoactive substances worldwide, with a growing interest in its potential therapeutic applications. In recent years, there has been a significant increase in cannabis use, driven by the progressive legalization ...
Sophia Rogers   +3 more
doaj   +1 more source

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