Publications by authors named "Kamal Baral"

Article Synopsis
  • The study focuses on how autophagy impacts the hepatic proteome, especially regarding the degradation and regulation of liver proteins.
  • Researchers found that when autophagy is impaired, certain proteins like Cps1, Ahcy, and Ca3 decrease, while Gstm1 increases due to changes in mRNA levels rather than just degradation.
  • The results highlight that autophagy affects liver proteins not only through degradation but also by influencing gene expression via the Nrf2 transcription factor.
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Injury or stress can induce intracellular translocation and release of nuclear HMGB1, a DAMP molecule known to participate in inflammation and other pathological processes. Active release of HMGB1 from stimulated macrophages can be mediated by inflammasomes, which cleave Gasdermin D to form pores on cytoplasmic membranes. We previously had shown that active release of HMGB1 from autophagy deficient hepatocytes also depended on the inflammasome but how the inflammasome was activated was not known.

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Outflow tract (OFT) develops from cardiac progenitor cells in the second heart field (SHF) domain. APJ, a G-Protein Coupled Receptor, is expressed by cardiac progenitors in the SHF. By lineage tracing APJ+SHF cells, we show that these cardiac progenitors contribute to the cells of OFT, which eventually give rise to aorta and pulmonary trunk/artery upon its morphogenesis.

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Hepatotoxins activate the hepatic survival pathway, but it is unclear whether impaired survival pathways contribute to liver injury caused by hepatotoxins. We investigated the role of hepatic autophagy, a cellular survival pathway, in cholestatic liver injury driven by a hepatotoxin. Here we demonstrate that hepatotoxin contained DDC diet impaired autophagic flux, resulting in the accumulation of p62-Ub-intrahyaline bodies (IHBs) but not the Mallory Denk-Bodies (MDBs).

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