Publications by authors named "J Ignacio Casas"

Background: Migraine is the most common neurological disorder and the second most disabling human condition. Autotaxin (ATX) is a plasma enzyme that leads to the formation of lysophosphatidic acid (LPA), which is involved in different functions involved in migraine, such as vascular tone control, inflammation, neuronal excitation, endothelial dysfunction, and neuropathic pain, among others. Most patients with migraine are females and, interestingly, ATX is physiologically higher in the serum of females compared to males.

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Macrophages, crucial innate immune cells, defend against pathogens and resolve inflammation, maintaining tissue balance. They perform phagocytosis, present antigens to T cells, and bond innate and adaptive immunity through various activation states. Classical activation is associated with Th1 responses and interferon γ production, while alternative activation, induced by interleukin 4, is characterized by increased endocytosis, reduced secretion of pro-inflammatory cytokines, and roles in immunoregulation and tissue remodeling.

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Migraine is one of the most common neurological disorders and the second most disabling human condition. The molecular mechanisms of migraine have been linked to neuropeptide release, endothelial dysfunction, oxidative stress and inflammatory processes. Acid sphingomyelinase (aSMase) is a secreted enzyme that leads to sphingomyelin degradation to produce ceramide.

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Heart failure (HF) has limited therapeutic options. In this study, we differentiated the pathophysiological underpinnings of the HF subtypes-HF with reduced ejection fraction (HFrEF) and HF with preserved ejection fraction (HFpEF)-and uncovered subtype-specific therapeutic strategies. We investigated the causal roles of the human proteome and transcriptome using Mendelian randomization on more than 420,000 participants from the Million Veteran Program (27,799 HFrEF and 27,579 HFpEF cases).

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Background: The proliferation of sexting among adolescents around the world today has woven a complex tapestry of sexual expression and exploration. However, its implications extend beyond consensual engagement, occasionally manifesting as a form of cyberviolence. Varied prevalence rates further complicate our understanding of the extent of youth sexting worldwide.

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