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Folate metabolism in myelofibrosis: a missing key?
Ann Hematol
January 2025
Department of Medicine and Surgery, Anatomy Unit, University of Parma, Via Gramsci 14, Parma, 43126, Italy.
Folates serve as key enzyme cofactors in several biological processes. Folic acid supplementation is a cornerstone practice but may have a "dark side". Indeed, the accumulation of circulating unmetabolized folic acid (UMFA) has been associated with various chronic inflammatory conditions, including cancer.
View Article and Find Full Text PDFActive targeting of type 1 diabetes therapies to pancreatic beta cells using nanocarriers.
Diabetologia
January 2025
Department of Chemical and Biological Engineering, Colorado School of Mines, Golden, CO, USA.
Type 1 diabetes is an autoimmune disease characterised by the destruction of pancreatic beta cells, resulting in lifelong insulin dependence. Although exogenous insulin can maintain glycaemic control, this approach does not protect residual or replacement pancreatic beta cells from immune-mediated death. Current therapeutics designed to protect functional beta cell mass or promote beta cell proliferation and regeneration can have off-target effects, resulting in higher dose requirements and adverse side effects.
View Article and Find Full Text PDFIdentification of a Biosynthetic Gene Cluster for the Production of the Blue-Green Pigment Xylindein by the Fungus .
J Nat Prod
January 2025
Fungal Natural Products Group, Westerdijk Fungal Biodiversity Institute, 3584 CT Utrecht, Netherlands.
Xylindein is a blue-green pigment produced by the fungi and Its stunning color and optoelectronic properties make xylindein valuable for textiles and as a natural semiconductor material. However, producing xylindein from culture broths remains challenging because of the slow growth of the species and the poor solubility of xylindein in organic solvents. An alternative production route for obtaining pure xylindein is heterologous expression of the xylindein biosynthetic genes.
View Article and Find Full Text PDFCognitive mechanisms of aversive prediction error-induced memory enhancements.
J Exp Psychol Gen
January 2025
Department of Cognitive Psychology, Institute of Psychology, Universitat Hamburg.
While prediction errors (PEs) have long been recognized as critical in associative learning, emerging evidence indicates their significant role in episodic memory formation. This series of four experiments sought to elucidate the cognitive mechanisms underlying the enhancing effects of PEs related to aversive events on memory for surrounding neutral events. Specifically, we aimed to determine whether these PE effects are specific to predictive stimuli preceding the PE or if PEs create a transient window of enhanced, unselective memory formation.
View Article and Find Full Text PDFA proteogenomic analysis of the adiposity colorectal cancer relationship identifies GREM1 as a probable mediator.
Int J Epidemiol
December 2024
International Agency for Research on Cancer (IARC/WHO), Nutrition and Metabolism Branch, Lyon, France.
Background: Adiposity is an established risk factor for colorectal cancer (CRC). The pathways underlying this relationship, and specifically the role of circulating proteins, are unclear.
Methods: Utilizing two-sample univariable Mendelian randomization (UVMR), multivariable Mendelian randomization (MVMR), and colocalization, based on summary data from large sex-combined and sex-specific genetic studies, we estimated the univariable associations between: (i) body mass index (BMI) and waist-hip ratio (WHR) and overall and site-specific (colon, proximal colon, distal colon, and rectal) CRC risk, (ii) BMI and WHR and circulating proteins, and (iii) adiposity-associated circulating proteins and CRC risk.
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