Dataset: Restoration of efferocytosis is highly dependent on macrophage polarization states; M1 and M2 phenotypes can both contribute to resolution if metabolic cues are corrected. - PathMap Experiment #000108

Engineering notes

Fetal sex significantly shapes maternal monocyte metabolic programming, with pEVs inducing sex-dependent shifts in efferocytic activity.

Chinese explanation / 中文解读

中文解读待补充：本站会优先为端到端自动驾驶、BEV感知、3D目标检测、轨迹预测、路径规划、LiDAR感知等高价值论文补充中文说明。

Original abstract

Interactive Data Viewer: Read, View, and Print from Day 1 Use our fully interactive viewer to view, read, and print this research data right from Day 1: https://pathmap.org/viewer.php?id=108 Artificial General Intelligence LLC Claim Evaluated: Restoration of efferocytosis is highly dependent on macrophage polarization states; M1 and M2 phenotypes can both contribute to resolution if metabolic cues are corrected. This dataset contains the raw JSON execution trace, verified verbatim quotes, and MeSH-aligned logic gates generated by PathMap Studio's Veridical Enforcement engine. 🔍 Novel & Overlooked Insights Efferocytosis acts as a primary resolution driver that can be pharmacologically bolstered, even in chronic inflammatory states, through the activation of specific ion channels like Piezo1. Metabolic sensors like A2AR link microenvironmental triggers to the cellular machinery required for myelin and apoptotic cell clearance. The expression of CD3 on macrophages, traditionally a T-cell marker, suggests a previously uncharacterized layer of complexity in how myeloid cells integrate signaling pathways during stress. Natural polysaccharides show potential in metabolic regulation of macrophages, influencing polarization and inflammatory output through the modulation of pathways like NF-κB and MAPK. Circulating cochlin LCCL domain serves as an exogenous efferocytosis-promoting factor, highlighting the role of systemic serum proteins in local tissue repair. Fetal sex significantly shapes maternal monocyte metabolic programming, with pEVs inducing sex-dependent shifts in efferocytic activity. Non-functional isoforms of P2X7 in cancer cells reveal how malignant cells bypass the regulated scavenger receptor pathways typically used by macrophages. Piezo1 acts as a metabolic integrator rather than just a mechanical gate, linking ion flux to downstream transcriptional pathways like the ATF4/SLC7A11 axis. Myocardial infarction creates an environment where Piezo1 is upregulated; paradoxically, this can be maladaptive in certain contexts, as "Piezo1 activation aggravated OGD-induced macrophage ferroptosis via Ca2+ influx followed by SLC15A3 upregulation." Actin remodeling for phagocytosis is not only dependent on Piezo1 but also involves specific molecular motor proteins and adaptors like MYO1F, which coordinate the phagocytic cup formation. Macrophages face "phagocytic appetite exhaustion" when endomembrane pools are depleted, indicating that mechanical activation (like Piezo1) cannot substitute for fundamental cellular resource availability. The transition between pro-inflammatory (M1) and pro-resolving (M2) phenotypes is heavily influenced by metabolic reprogramming (e.g., glycolysis vs. OXPHOS) and epigenetic modifiers, which Piezo1 signaling helps regulate. 🧪 Extracted Custom Datapoints 📊 Suggested Experiments Assess the effect of targeted metabolic reprogramming of M1 macrophages on efferocytosis efficiency using human patient-derived primary cells. Examine if A2AR agonistic micelles can be used to synchronize efferocytosis in diverse inflammatory environments. Assess efferocytic rates in macrophages under Piezo1 activation during pharmacologic glycolytic blockade. Perform live-cell super-resolution microscopy to compare F-actin ring formation kinetics in Piezo1-deficient vs. sufficient macrophages under high metabolic stress. 📊 Suggested Studies Longitudinal study on the effect of metabolic disease status on macrophage efferocytic functionality in patients undergoing elective surgery. Comparative omics analysis to identify shared metabolic drivers of efferocytosis between different macrophage states in autoimmune conditions. Longitudinal study on the role of Piezo1-HIF1a signaling in macrophage-mediated tissue repair across various metabolic disease models. 📊 Swansons Literature Based Discovery Candidates Activation of the GPR146-mediated metabolic axis in macrophages can be used to mitigate the inflammatory phenotype observed in MASH (metabolic dysfunction-associated steatohepatitis) through restored efferocytosis. GPR146 deficiency enhances microglial phagocytosis and alters cerebral metabolism (ID: 42554945). MASH pharmacotherapy and the need for macrophage-targeted metabolic interventions (ID: 42564069). Cholesterol metabolism and ERK/PKA/Akt signaling pathways. Since GPR146 regulates systemic cholesterol and phagocytic receptor expression, it may function as a metabolic switch that allows macrophages in MASH-affected livers to regain efferocytic capacity, thereby resolving the pro-inflammatory milieu that drives the disease. Piezo1-mediated mechanical stimulation can rescue efferocytic function in nutrient-deprived tumor-associated macrophages by coupling to non-glycolytic energy pathways. Macrophages in tumors face metabolic suppression (ID: 42564178) Piezo1 activation enhances efferocytosis in hepatic fibrosis (ID: 38838160) HIF1-alpha metabolic reprogramming (ID: 42550891) Since Piezo1 activation engages HIF1a to drive glycolysis for efferocytosis, and tumors create metabolically suppressive environments, stimulating Piezo1 might bypass specific suppression mechanisms. 📊 Contradictions Between Evidences None identified in the current literature set. Conflicting evidence exists regarding the net effect of Piezo1 activation; in myocardial infarction, it is maladaptive by driving ferroptosis (ID: 41214880), whereas in liver fibrosis, it is adaptive by enhancing efferocytosis (ID: 38838160). 📊 Repurposed Solutions The use of A2AR agonistic micelles, initially investigated for stroke-related white matter repair, could be repurposed to treat other chronic inflammatory conditions where macrophage efferocytosis is impaired. Pharmacological activation of Piezo1 (e.g., Yoda1) is identified as a potential tool to restore efferocytosis in pro-fibrotic or suppressed macrophage states. 📊 Piezo1 Actin Dynamics Piezo1 activation influences Ca2+ influx which regulates F-actin remodeling and cytoskeleton thinning, essential for phagocytic cup progression and sealing (ID: 38873703, ID: 41346705). 📊 Metabolic Bypass Mechanism There is no evidence that Piezo1-mediated efferocytosis operates independent of metabolic pathways. In fact, evidence suggests it relies on metabolic reprogramming (glycolysis) to generate the energy required for the process (ID: 42550891). Tags Attractor Table Extracted Keywords & Entities Metabolic Signaling, _gates_from_metabolic_signaling, Efferocytic Capacity, _gates_to_efferocytic_capacity, PIEZO1 Protein, _gates_from_piezo1_protein, Calcium Influx, _gates_to_calcium_influx, _gates_from_calcium_influx, Metabolic/Efferocytic Pathways, _gates_to_metabolic/efferocytic_pathways Run Your Own Analysis PathMap is a patent-pending universal AI workbench designed to eliminate LLM hallucinations in medical research. Generate your own autonomous discovery reports at PathMap.org.

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