Pulmonary vascular remodeling, mainly attributable to enhanced pulmonary arterial smooth muscle cell proliferation and migration, is a major cause for elevated pulmonary vascular resistance and pulmonary arterial pressure in patients with pulmonary hypertension. The signaling cascade through Akt, comprised of three isoforms (Akt1-3) with distinct but overlapping functions, is involved in regula...

Proximal pulmonary artery (PA) stiffening is a strong predictor of mortality in pulmonary hypertension. Collagen accumulation is mainly responsible for PA stiffening in hypoxia-induced pulmonary hypertension (HPH) in mouse models. We hypothesized that collagen cross-linking and the type I isoform are the main determinants of large PA mechanical changes during HPH, which we tested by exposing mi...

Endothelial progenitor cells (EPCs) are both reduced and dysfunctional in hypertension that correlates inversely with its mortality, but the mechanisms are poorly understood. Endothelial nitric oxide synthase (eNOS) critically regulates EPC mobilization and function but is uncoupled in salt-sensitive hypertension because of the reduced cofactor tetrahydrobiopterin (BH4). We tested the hypothesi...

The green microalgae Chlorella vulgaris is a source of valuable nutrients, whose bioaccessibility limited by the structurally complex cell wall. Enzymatic degradation wall represents remarkable alternative to mechanical treatments due its mildness and specificity. This work aimed define an optimal combination enzymes increase lipid protein bioaccessibilities C. cells while preserving oxidative ...

Aspergillus nidulans strain G191 was transformed to hygromycin resistance using plasmid pDH25, which contains the bacterial hygromycin B phosphotransferase gene (hph) fused to promoter elements of the A. nidulans trpC gene. Southern hybridizations of transformants revealed multiple, integrated copies of the vector. A pleiotropic effect conferring increased hygromycin B sensitivity was found to ...

The aim of this study was to investigate whether the hominis placenta hydrolysates (HPhs) have a protective effect against radiation-induced enteropathies. HPh (1-10 mg kg⁻¹, i.p.) was treated to C57BL/6 mice, once daily for 5 days. Mice were irradiated (10 Gy) 1 h after the last injection. Cell damage was investigated at 24 and 72 h by haematoxylin-eosin staining, and the apoptotic index was d...

Organizational capacity building for health promotion (HP) is beneficial to the effective implementation of HP in organizational settings. The World Health Organization (WHO) Health Promoting Hospitals' (HPHs) initiative encourages hospitals to promote the health of their stakeholders by developing organizational capacity. This study analyzes an application case of one hospital of the HPH initi...

Enhanced proliferation of pulmonary arterial vascular smooth muscle cells (PASMCs) is a key pathological component of vascular remodeling in hypoxia-induced pulmonary hypertension (HPH). Mammalian targeting of rapamycin (mTOR) signaling has been shown to play a role in protein translation and participate in the progression of pulmonary hypertension. Eukaryotic translation initiation factor-2α (...