BACE-1 and ADAM-10 as Potential Peripheral Biomarkers for Alzheimer's Disease.

Amyloid beta (Aβ) dyshomeostasis is considered the main biological aberration in Alzheimer's Disease (AD) pathology. The interplay between Aβ formation and clearance is predominantly modulated by a disintegrin and a metalloproteinase 10 (ADAM10, α-secretase) and β-site APP Cleaving Enzyme 1 (BACE1), the two pivotal enzymes in both non-amyloidogenic/amyloidogenic and amyloidolytic pathways. Emerging evidence suggests that aberrations in ADAM10 and BACE1 expression, activity, and function in the brain of AD patients also manifest in peripheral fluids, suggesting their potential as blood-based biomarkers for AD diagnosis.

Young men's everyday life experiences with contraception and unintended pregnancy in Papua New Guinea.

Unintended adolescent pregnancy is a public health priority in Papua New Guinea (PNG), where national policies specify need for easier access to reliable modern contraceptives. To reduce young people's experiences of unintended pregnancy in PNG, improved understandings of use of modern and other forms of contraception within young people's relationships is required to support the development of new sexual and reproductive health (SRH) programs and policies. The aim of this paper is to understand young men's use of modern and other contraceptives.

PON1 and PON3 in Alzheimer's Disease: Similar Functions but Different Roles.

Paraoxonase 1 (PON1) and Paraoxonase 3 (PON3) are enzymes located on the surface of high-density lipoprotein (HDL) and share similar antioxidant properties, possibly modulated by other proteins such as Myeloperoxidase (MPO), which drives the shift from functional to dysfunctional HDL. PON1 has been extensively studied in relation to Alzheimer's Disease (AD), but the role of PON3 remains unknown. To fill this knowledge gap, the study analyzed PON3 protein levels and PON1-arylesterase activity in 99 AD patients, 100 patients with mild cognitive impairment (MCI), and 79 cognitively normal controls.

Ovarian and Uterine Morphology in Minipuberty: Associations with Reproductive Hormones. A COPANA Study of 302 girls.

Background: Female minipuberty is characterized by complex dynamics of circulating reproductive hormones, while the relationship between ovarian and uterine morphology and reproductive hormones remains to be elucidated.

Aim: To investigate the association between reproductive hormones and ovarian as well as uterine morphology by transabdominal ultrasound (TAUS) at minipuberty.

Methods: Secondary analysis from The Copenhagen Analgesic Study (COPANA) (ClinicalTrials.