Autophagy and hepatic lipid metabolism: mechanistic insight and therapeutic potential for MASLD

S Raza, S Rajak, PM Yen, RA Sinha - npj Metabolic Health and Disease, 2024 - nature.com
Metabolic dysfunction-associated steatotic liver disease (MASLD) originates from a
homeostatic imbalance in hepatic lipid metabolism. Increased fat deposition in the liver of …

Regulation of autophagy by perilysosomal calcium: a new player in β-cell lipotoxicity

HT Nguyen, A Wiederkehr, CB Wollheim… - … & molecular medicine, 2024 - nature.com
Autophagy is an essential quality control mechanism for maintaining organellar functions in
eukaryotic cells. Defective autophagy in pancreatic beta cells has been shown to be …

Hyperglucagonaemia in diabetes: altered amino acid metabolism triggers mTORC1 activation, which drives glucagon production

Y Riahi, A Kogot-Levin, L Kadosh, B Agranovich… - Diabetologia, 2023 - Springer
Aim/hypothesis Hyperglycaemia is associated with alpha cell dysfunction, leading to
dysregulated glucagon secretion in type 1 and type 2 diabetes; however, the mechanisms …

Autophagy and metabolic aging: Current understanding and future applications

S Raza - Biochimica et Biophysica Acta (BBA)-Molecular Cell …, 2024 - Elsevier
Abstract “Metabolic aging” refers to the gradual decline in cellular metabolic function across
various tissues due to defective hormonal signaling, impaired nutrient sensing …

CK2 activity is crucial for proper glucagon expression

E Ampofo, M Pack, S Wrublewsky, AS Boewe… - Diabetologia, 2024 - Springer
Aims/hypothesis Protein kinase CK2 acts as a negative regulator of insulin expression in
pancreatic beta cells. This action is mainly mediated by phosphorylation of the transcription …

Mechano-sensor Piezo1 inhibits glucagon production in pancreatic α-cells

W Guo, L Gao, H Mo, H Deng, Y Zhao, G Xu - Biochimica et Biophysica …, 2024 - Elsevier
Objective Glucagon is a critical hormone regulating glucose metabolism. It stimulates the
liver to release glucose under low blood sugar conditions, thereby maintaining blood …

[HTML][HTML] Epigenetic regulation of autophagy in coronavirus disease 2019 (COVID-19)

H Behrouj, O Vakili, A Sadeghdoust… - … and Biophysics Reports, 2022 - Elsevier
Abstract The coronavirus disease 2019 (COVID-19) pandemic has become the most serious
global public health issue in the past two years, requiring effective therapeutic strategies …

Development of an autophagy activator from Class III PI3K complexes, Tat-BECN1 peptide: Mechanisms and applications

Y He, H Lu, Y Zhao - Frontiers in Cell and Developmental Biology, 2022 - frontiersin.org
Impairment or dysregulation of autophagy has been implicated in many human pathologies
ranging from neurodegenerative diseases, infectious diseases, cardiovascular diseases …

MTORC1-dependent crinophagy regulates glucagon content in pancreatic α-cells

S Rajak, PM Yen, RA Sinha - Autophagy, 2021 - Taylor & Francis
Hormone synthesis and secretion is a highly regulated process governed by metabolic cues.
Although peptide hormone action is largely governed by the rate of its synthesis and …

Advances in Islet Metabolomics using Hydrophilic Interaction Chromatography-Mass Spectrometry

K Zegalia - 2022 - deepblue.lib.umich.edu
Metabolomics refers to the measurement of small molecules in a biological system with the
goal of identifying biochemical mechanisms and markers of cell functions. In many instances …