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Glycogen homeostasis and mitochondrial DNA expression require motor neuron to muscle TGF-β/Activin signaling in Drosophila.
iScience
January 2025
Department of Genetics, Cell Biology and Development, University of Minnesota, Minneapolis, MN 55455, USA.
Maintaining metabolic homeostasis requires coordinated nutrient utilization between intracellular organelles and across multiple organ systems. Many organs rely heavily on mitochondria to generate (ATP) from glucose, or stored glycogen. Proteins required for ATP generation are encoded in both nuclear and mitochondrial DNA (mtDNA).
View Article and Find Full Text PDF26S Proteasome Subunit SlPBB2 Regulates Fruit Development and Ripening in Tomato.
J Agric Food Chem
January 2025
Fruit Biology Laboratory, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, China.
Proteasomes are protein complexes responsible for degrading unneeded or damaged proteins through proteolysis and play critical roles in regulating plant development and response to environmental stresses. However, it is still unclear whether proteasomes regulate fruit development and ripening. In this study, we investigated the function of a core proteasome subunit, SlPBB2, in tomato fruit.
View Article and Find Full Text PDFEndosymbionts as hidden players in tripartite pathosystem of interactions and potential candidates for sustainable viral disease management.
Crit Rev Biotechnol
January 2025
Key Laboratory of Agricultural Microbiology, College of Agriculture, Guizhou University, Guiyang, P.R. China.
The convoluted relationships between plants, viruses, and arthropod vectors housing bacterial endosymbionts are pivotal in the spread of harmful plant viral diseases. Endosymbionts play key roles in: manipulating host responses, influencing insect resistance to pesticides, shaping insect evolution, and bolstering virus acquisition, retention, and transmission. This interplay presents an innovative approach for developing sustainable strategies to manage plant diseases.
View Article and Find Full Text PDFA carnitine transporter at the blood-brain barrier modulates sleep via glial lipid metabolism in .
Proc Natl Acad Sci U S A
January 2025
Department of Cell Biology, Emory University, Atlanta, GA 30322.
To regulate brain function, peripheral compounds must traverse the blood-brain barrier (BBB), an interface between the brain and the circulatory system. To determine whether specific transport mechanisms are relevant for sleep, we conducted a BBB-specific inducible RNAi knockdown (iKD) screen for genes affecting sleep in . We observed reduced sleep with knockdown of solute carrier , a carnitine transporter, as determined by isotope flux.
View Article and Find Full Text PDFWorsening of Heart Failure in Outpatients With Transthyretin Amyloidosis and Cardiomyopathy in the APOLLO-B Trial.
J Am Coll Cardiol
December 2024
Cardiovascular Division, Brigham and Women's Hospital, Boston, Massachusetts, USA. Electronic address:
Background: Outpatient worsening heart failure (HF), defined by initiation or intensification of diuretics, is adversely prognostic for patients with either reduced or preserved ejection fraction.
Objectives: This study sought to investigate the prognostic value of outpatient worsening HF in transthyretin amyloidosis with cardiomyopathy and the effect of patisiran treatment.
Methods: Post hoc analyses of the APOLLO-B trial (NCT03997383) evaluated the associations between outpatient worsening HF (defined by oral diuretic initiation or intensification), measures of disease progression, and a composite endpoint of all-cause mortality and cardiovascular (CV) events.
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