Navegação Ciências Biológicas por Título
Resultados 1365-1384 de 3016
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Habitat productivity is a poor predictor of body size in rodents
(2020) [Artigo de periódico]The “resource availability hypothesis” predicts occurrence of larger rodents in more productive habitats. This prediction was tested in a dataset of 1,301 rodent species. We used adult body mass as a measure of body size ... -
Habitat specific impacts of climate change in the Mata Atlântica biodiversity hotspot a focus on Brazilian freshwater biodiversity
(2019) [Artigo de periódico]Aim: Elucidate the potential impacts of climate changes on the distribution and conservation of the multiple habitats of the Mata Atlântica biodiversity hotspot, which are often treated as a unique entity in ecological ... -
Habitat use patterns of franciscana dolphins (Pontoporia blainvillei) off southern Brazil in relation to water depth
(2009) [Artigo de periódico]The patterns of habitat use by the franciscana dolphins (Pontoporia blainvillei) along its distribution are poorly known. This study investigates the patterns of habitat use with respect to depth for 181 individuals of ... -
HBV epidemiology and genetic diversity in an area of high prevalence of hepatitis B in southern Brazil
(2018) [Artigo de periódico]Background: Hepatitis B virus (HBV) infection is a major public health problem in Brazil. HBV endemicity is usually moderate to low according to geographic regions, and high prevalence of this virus has been reported in ... -
Health-related quality of life of children and adolescents with osteogenesis imperfecta: a cross-sectional study using PedsQL
(2018) [Artigo de periódico]Background: Osteogenesis imperfecta (OI) is a disorder of bone formation leading to low mineral density and fractures. Children and adolescents with OI require periodic medical follow up, corrective surgery, drug therapy ... -
Hearing impairment and socioeconomic factors : a population-based survey of an urban locality in southern Brazil
(2007) [Artigo de periódico]Objetivo. Presentar los primeros datos de un estudio de base poblacional sobre sordera y deficiencia auditiva en Brasil. Métodos. Se realizó una encuesta transversal de hogares en 2003 en la que participaron 2 427 personas ... -
Heat shock response in noise-induced hearing loss : effects of alanyl-glutamine dipeptide supplementation on heat shock proteins status
(2020) [Artigo de periódico]Introduction: The 72 kDa heat shock protein, HSP72, located intracellularly provides cochlear cytoprotective and anti-inflammatory roles in the inner ear during stressful noise challenges. The expression of intracellular ... -
Helminths of introduced house sparrows (Passer domesticus) in Brazil : does population age affect parasite richness?
(2010) [Artigo de periódico]A introdução de espécies tem alterado a diversidade dos parasitos e seus hospedeiros em todo o mundo. No caso dos hospedeiros introduzidos, a idade da população parece ser um bom preditor da riqueza parasitária. A alteração ... -
Hemócitos de Bradybaena similaris e Megalobulimus abbreviatus (Gastropoda, Stylommatophora)
(2014) [Artigo de periódico]Hemocytes act in the defense system against invading organisms, foreign particles aiding the recognition of what is own to the body of gastropods and what is not. Information and studies on the hemocytes in species of ... -
Hemodialysis improves endothelial venous function in end-stage renal disease
(2008) [Artigo de periódico]The objective of the present study was to determine the acute effect of hemodialysis on endothelial venous function and oxidative stress. We studied 9 patients with end-stage renal disease (ESRD), 36.8 ± 3.0 years old, ... -
Hemodynamic changes and autonomic nervous system after acute myocardial infarction in rats submitted to left coronary artery ligation
(2018) [Artigo de periódico]Heart failure is a clinical syndrome characterized by sympathetic/ renin-angiotensin system activation, besides parasympathetic activity attenuation. In the initial phase of HF, following a myocardial infarction, there is ... -
Hemorragia subaracnóide perimesencefálica não-aneurismática
(2008) [Artigo de periódico]Resumo não disponível -
Hepatic glycogen storage diseases are associated to microbial dysbiosis
(2019) [Artigo de periódico]Introduction The gut microbiome has been related to several features present in Glycogen Storage Diseases (GSD) patients including obesity, inflammatory bowel disease (IBD) and liver disease. Objectives The primary objective ... -
Herança da estatura de planta e do comprimento da panícula principal no cruzamento entre avena sativa l. e avena sterilis l.
(1999) [Artigo de periódico]A espécie selvagem Avena sterilis L. tem sido amplamente utilizada para cruzamento com aveia cultivada, pela alta afinidade existente entre ambas, o que possibilita um aumento na variabilidade genética e transferência de ... -
Hereditary non-polipomatous colorectal cancer : hereditary predisposition, diagnosis and prevention
(2005) [Artigo de periódico]Background - Colorectal cancer is the third in frequency and the second in mortality in developed countries. In Brazil, it is among the six more common malignant neoplasias. About 20% of colorectal tumors have some hereditary ... -
Herpesvírus bovinos (BoHV-1.1 e BoHV-1.2b) em forma infecciosa em encéfalos de bovinos submetidos ao diagnóstico de raiva no estado do Rio Grande do Sul
(2010) [Artigo de periódico]Verificou-se a incidência de herpesvírus bovinos (BoHVs) em encéfalos de bovinos submetidos ao diagnóstico de raiva no estado do Rio Grande do Sul. Para tanto, amostras coletadas durante dois anos (n=70) foram submetidas ... -
Heterogeneity in extracellular nucleotide hydrolysis among clinical isolates of Trichomonas vaginalis
(2005) [Artigo de periódico]Trichomonas vaginalis is a parasitic protozoan that causes trichomonosis, a sexually-transmitted disease, with serious sequelae to women and men. As the host–parasite relationship is complex, it is important to investigate ... -
Hibridização genômica comparativa baseada em microarranjos em neonatos com anomalias congênitas : detecção de desequilíbrios cromossômicos
(2015) [Artigo de periódico]Objective: To identify chromosomal imbalances by whole-genome microarray-based comparative genomic hybridization (array-CGH) in DNA samples of neonates with congenital anomalies of unknown cause from a birth defects ... -
Higher serum S100b and BDNF levels are correlated with a lower pressure-pain threshold in fibromyalgia
(2014) [Artigo de periódico]Background: Fibromyalgia (FM) is conceptualized as a central sensitization (CS) condition, that presents high serum brain-derived neurotrophic factor (BDNF) and neuroglia activation. Although the S100B protein regulates ... -
High expression of nicotinamide N-methyltransferase in patients with sporadic Alzheimer’s disease
(2021) [Artigo de periódico]We have previously shown that the expression of nicotinamide N-methyltransferase (NNMT) is significantly increased in the brains of patients who have died of Parkinson’s disease (PD). In this study, we have compared the ...