Publications by authors named "A D de Jager"

Background: In actinic keratosis (AK), field cancerization describes areas of skin where multiple visible AK lesions are surrounded by healthy looking skin containing non-visible (subclinical) lesions. As all AK lesions have a risk of progression to cutaneous squamous cell carcinoma, experts advise field-directed treatment. Photodynamic therapy (PDT) is an effective field-directed treatment option for AK; however, long-term efficacy data are still scarce.

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Purpose: Autophagy is an important adaptive process for mechanotransduction, in which Damage-Regulated Autophagy Modulator 1 (DRAM1) has a key function in cell fate determination. This study aimed to analyze the influence of biomechanical loading on DRAM1 expression in periodontal cells and tissues.

Methods: Human periodontal ligament (PDL) fibroblasts were stimulated with different pressure protocols, physiological load and overload, in the presence and absence of autophagy inhibitor 3-methyladenine (3-MA) and compared with untreated cells.

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Article Synopsis
  • CDK4/6 inhibitors combined with endocrine therapy improve outcomes for patients with hormone-receptor positive, HER2-negative advanced breast cancer, but evidence comparing first-line and second-line use is limited.
  • The phase 3 SONIA trial involved 1,050 patients and showed no significant overall benefit for using CDK4/6 inhibitors first-line compared to second-line (31.0 vs. 26.8 months median progression-free survival).
  • Although first-line treatment led to longer duration of CDK4/6 therapy and more severe side effects, the quality of life was similar for both treatment timing, questioning the necessity for first-line CDK4/6 inhibitor usage in all cases.
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Introduction: Tamoxifen may adversely affect cognitive function by interfering with estrogen action in the brain. Despite growing evidence for a relationship between tamoxifen and cognitive problems, findings remain inconclusive. While some tamoxifen-related side effects seem exposure-dependent with concentrations of tamoxifen or its main metabolite, endoxifen, this has never been investigated for cognitive function.

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Background: Brain-derived neurotrophic factor (BDNF) is a protein important for synaptic plasticity and formation of memory. It is suggested to play an important role in the development of psychiatric disorders like post-traumatic stress disorder (PTSD). Individuals with PTSD usually show decreased BDNF levels in serum.

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