Lactate

Recent Findings on lactate

Recent findings portray lactate as both a modifiable driver of tumor immunosuppression and a clinically useful, though context-dependent, physiologic signal. In tumor models, lactate depletion with lactate oxidase helped maintain β-glucan-induced macrophage polarization toward an M1 phenotype, while disrupting the NAT1–ENO1–lactate axis reduced PD-L1 stability and enhanced antitumor immune responses, supporting metabolic regulation as an adjunct to immunotherapy 42615169Aug42491336Jul. The clinical studies qualify this therapeutic perspective: prehospital lactate was associated with severe injury in trauma patients but had limited discriminatory performance as a stand-alone triage measure, and missing lactate values in cardiogenic-shock registries altered risk classification when handled through structured multiple imputation 42584683Aug42486195Jul. Overall, the field is moving toward integrating lactate into multimodal assessment and combination treatment strategies rather than interpreting it as an isolated marker or target.

Across the mechanistic studies, lactate emerges as part of feedback circuits linking metabolic-pathway activity to disease phenotype, although the affected tissues and outcomes differ. In gastric cancer, inhibiting ENO1 with cryptotanshinone lowered lactate and H3K18 lactylation, weakened MGAT4A-dependent GLUT1 localization and glucose uptake, and suppressed tumor growth; in glioblastoma, lactate-driven H3K18 lactylation and BMAL1 lactylation promoted VEGFA transcription and bevacizumab resistance, effects reversed by disrupting lactate transport or BMAL1 lactylation 42235355Jun41995718Apr. The tendinopathy study extends this metabolic framework beyond cancer, identifying glycolytic MPC-G disease as a hypoxia–HIF-1α–lactate feed-forward state that differs from fatty-acid-oxidative MPC-F and metabolite-homeostasis–imbalanced MPC-I profiles 42660868Aug. These findings support increasingly phenotype-specific intervention, with lactate production, transport, ENO1 activity, HIF-1α signaling, and lactylation-related mechanisms representing distinct therapeutic entry points rather than a single universal lactate pathway.

Recent wearable-sensing work converges on flexible platforms that measure sweat lactate alongside other analytes while preserving performance during movement. A conformal electrochemiluminescence array enabled simultaneous lactate and glucose detection with submicromolar detection limits, a 1–500 μM linear range, and stable output after repeated bending and recovery, whereas an integrated electrochemical/colorimetric microfluidic system measured lactate over 0.5–12 mM while also tracking electrolytes and the sweat-skin microenvironment 42503751Jul42061345Apr. The platforms differ in sensing modality, operating range, and degree of multimodal analysis, but both emphasize continuous or real-time sweat sampling, mechanical stability, and system-level integration. The direction of development is therefore toward wearable technology that combines lactate quantification with multiplexed physiological readouts and automated interpretation for exercise and personalized health monitoring.