Molecular Hydrogen Reverses Sepsis-induced Immunoparalysis: Insights from Longitudinal Deep Immunophenotyping.
Chang-Lung Wu, Jeng-Wei Lu, Yi-Jung Ho, Shan-Wen Lui, Ting-Yu Hsieh, Kuang-Yih Wang, Feng-Cheng Liu · In vivo (Athens, Greece) · 2026
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Independent study record
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How Molecular Hydrogen Was Used
However, longitudinal evidence on the effects of molecular hydrogen on deep human immunophenotyping remains scarce. At a therapeutic impasse marked by high levels of N-terminal pro-B-type natriuretic peptide (NT-proBNP) (>35,000 pg/ml) and profound immune depletion, adjuvant hydrogen inhalation was initiated, which led to a 64% reduction in myocardial stress and temporary clinical stabilization. In the T-cell compartment, hydrogen induced a biphasic resolution of exhaustion in T-helper cells marked by an immediate decline in expression of FAS cell surface death receptor (FAS; also known as CD95) and asynchronous normalization of expression of programmed cell death protein 1 (PD1) and T-cell immunoglobulin and mucin domain 3 (TIM3), alongside bidirectional restoration of physiological immune checkpoints in cytotoxic T-cells.
What the Researchers Found
At a therapeutic impasse marked by high levels of N-terminal pro-B-type natriuretic peptide (NT-proBNP) (>35,000 pg/ml) and profound immune depletion, adjuvant hydrogen inhalation was initiated, which led to a 64% reduction in myocardial stress and temporary clinical stabilization.
H₂ Mechanisms / Biological Findings
In the T-cell compartment, hydrogen induced a biphasic resolution of exhaustion in T-helper cells marked by an immediate decline in expression of FAS cell surface death receptor (FAS; also known as CD95) and asynchronous normalization of expression of programmed cell death protein 1 (PD1) and T-cell immunoglobulin and mucin domain 3 (TIM3), alongside bidirectional restoration of physiological immune checkpoints in cytotoxic T-cells.
Authors’ Conclusion
By disrupting the cycle of immune exhaustion and exerting anti-apoptotic effects, molecular hydrogen may represent a promising immunomodulatory adjunct in severe sepsis.
H2HUBB TAKEAWAY
In this case report, adjunctive hydrogen inhalation was followed by temporary clinical stabilization and longitudinal immune changes in a 49-year-old man with refractory septic shock. The report described the patient's death from irreversible chronic comorbidities. This single case suggests possible immunomodulatory potential, while controlled clinical studies are needed to determine safety and effectiveness.
What the Researchers Studied
The study examined in the T-cell compartment, hydrogen induced a biphasic resolution of exhaustion in T-helper cells marked by an immediate decline in expression of FAS cell surface death receptor (FAS.
Case-Report Evidence Boundary
The report described the patient's death from irreversible chronic comorbidities. This single case suggests possible immunomodulatory potential, while controlled clinical studies are needed to determine safety and effectiveness.