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Podcast: Authentic Biochemistry
Episode: How Oxysterol LDL associates with macrophage and T lymphocyte infiltration during aging to generate the hyperinflammatory atherosclerotic plaque. DJGPhD. 19.10.21. Authentic Biochemistry.
Description: That there are senescence-associated  decreases in the JAK-STAT signaling transduction cascade has been observed in human lymphocyte lineages. This phenomena, as  associated with a decreased JAK- tyrosine phosphorylation of STAT5, is linked to plasma membrane cholesterol content. Therefore, plasma membrane cholesterol content is involved in T cells modulation and proliferation.
Acid sphingomyelinase- mediated ceramide lipid raft mobilization and aggregation of membrane receptors plays a crucial role in this pathobiochemical dynamic leading to multiple disease and comorbidity states in the elderly.
Classical Papers Examined:
Mech Ageing Dev. 2001 Sep 15;122(13):1413-30
Cytometry A. 2006 Mar;69(3):189-9...