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Background/Aim: Hydrogen therapy has demonstrated potential as an antioxidant and anti-inflammatory intervention, particularly in the management of chronic diseases such as chronic kidney disease (CKD) and autoimmune conditions. This case report presents the possible therapeutic benefits of molecular hydrogen capsule treatment in enhancing renal function and alleviating chronic fatigue in an elderly female with coronary artery disease (CAD), type 2 diabetes mellitus (DM) complicated by nephropathy, and systemic lupus erythematosus (SLE). The aim of this study was to investigate the efficacy of adjunctive hydrogen therapy in an elderly patient with multiple chronic comorbidities. Case Report: An 89-yearold female with a history of CAD s/p who had undergone coronary artery bypass grafting (CABG) over 40 years ago, type 2 DM complicated by nephropathy, and SLE was admitted with recurrent cellulitis at the saphenous vein donor site from her previous CABG. Despite antibiotic treatment, wound healing remained limited. In January 2023, the patient initiated adjuvant treatment with molecular hydrogen capsules. Following the introduction of hydrogen therapy, her renal function improved, evidenced by a reduction in serum creatinine levels. Chronic fatigue, assessed using the Taiwan Brief Fatigue Inventory (BFI-T), showed significant improvement. Immunological evaluation revealed a series of changes, suggesting that immune modulation may be the mechanism underlying the observed clinical benefits. Conclusion: Hydrogen therapy was associated with improved renal function and a reduced chronic fatigue in this elderly patient with multiple comorbidities, including CAD, DM, and SLE. The case underscores the potential therapeutic role of hydrogen therapy in immune modulation and the management of chronic conditions, suggesting the need for further investigation in clinical settings. [ABSTRACT FROM AUTHOR]

Background/Aim: Anti-N-methyl-D-aspartate receptor (NMDAR) encephalitis, though rare, is the most common form of autoimmune encephalitis, predominantly affecting young individuals, particularly females. Standard treatments include corticosteroids, intravenous immunoglobulins (IVIG), and plasmapheresis, with rituximab recommended for those unresponsive to first-line therapies. However, reliable biomarkers for clinical assessment remain elusive. This study investigated the efficacy of adjunctive hydrogen therapy in a patient with anti-NMDAR encephalitis. Case Report: This case report describes a 14-year-old boy with anti-NMDAR encephalitis who exhibited poor response to initial treatment, but showed significant improvement with rituximab and adjunctive hydrogen therapy. Immunophenotyping revealed correlations between treatment outcomes and shifts in B cell subsets, PD-1+ cytotoxic T cells, and regulatory T cell subtypes. Conclusion: This case underscores the importance of integration traditional clinical assessments with advanced diagnostics such as flow cytometry-based immunophenotyping, and suggests a potential role for hydrogen therapy in modulating immune response in this complex autoimmune condition. [ABSTRACT FROM AUTHOR]

Background/Aim: Most nontraumatic subarachnoid hemorrhages (SAHs) are caused by ruptured saccular aneurysms, often resulting in a devastating clinical event characterized by high mortality and significant morbidity among survivors. Numerous studies have confirmed the neuroprotective effects of the molecular hydrogen due to its unique biological properties. Case Report: We present the case of a 44-year-old female with aneurysmal SAH with rheumatoid arthritis (RA) and newly diagnosed systemic lupus erythematosus (SLE), complicated by acute ischemic infarction. Despite surgical, pharmacological and non-pharmacological interventions, including embolization of the aneurysm, immunosuppressant, non-vitamin K antagonist oral anticoagulant (NOAC), and plasmapheresis, loss of consciousness continued. The patient began daily treatment with hydrogen capsules, resulting in increased in Treg cells, Breg cells, increased TIM3+ expression on Tc cells, and the conversion of anti-dsDNA from positive to negative. Her clinical symptoms stabilized without adverse effects. Conclusion: This case highlights the potential benefits of molecular hydrogen therapy in managing aneurysmal SAH with underlying autoimmune disease, warranting further research. [ABSTRACT FROM AUTHOR]

Background/Aim: Connective tissue disease-associated pulmonary arterial hypertension (CTD-PAH) is a severe complication characterized by elevated pulmonary artery pressure, which can lead to right heart failure and death, if untreated. Standard treatments often fail to adequately manage symptoms, highlighting the need for novel therapeutic approaches. This study investigated the efficacy of molecular hydrogen (H2) therapy in a patient with CTD-PAH. Case Report: We present the case of a 56-year-old female with CTD-PAH, diagnosed in 2013 with Sjogren's syndrome complicated by interstitial lung disease (ILD) and PAH. Despite treatment with sildenafil, bosentan, macitentan, iloprost, and corticosteroids, her condition deteriorated, resulting in severe dyspnea and cardiogenic shock in 2020. In May 2023, molecular hydrogen therapy was initiated as an adjuvant treatment. The patient received daily hydrogen capsules, which led to increased CD127+ Treg cells, reduced anti-Ro antibodies, and decreased B cell subsets. Her clinical symptoms stabilized without adverse effects. Conclusion: This case highlights the potential benefits of molecular hydrogen therapy in CTD-PAH. H2 therapy exhibiting anti-inflammatory and immunomodulatory effects, leading to improved immune cell profiles and stabilizing clinical symptoms in a patient unresponsive to conventional treatments. Further research is needed to elucidate the mechanisms of H2 therapy and validate its efficacy in larger cohorts. Molecular hydrogen therapy shows promise as a safe adjunctive treatment for CTD-PAH, offering a new approach for managing this challenging condition. [ABSTRACT FROM AUTHOR]

Background/Aim: Progressive fibrosing interstitial lung disease (PF-ILD) refers to a group of chronic lung conditions commonly associated with immunoglobulin G4- related disorders. It is characterized by progressive scarring (fibrosis) within the pulmonary interstitium, resulting in respiratory failure and early mortality. Some patients do not respond to standard therapeutic interventions. Numerous studies have confirmed the anti-inflammatory and antioxidant properties of molecular hydrogen in various disease models. Case Report: In this report, we present a case study of an 85-year-old female diagnosed with suspected IgG4-related PF-ILD complicated by hospital-acquired pneumonia. On the fourth day of hydrogen-assisted therapy, a noticeable improvement in lung infiltrations was observed in chest X-rays as the patient gradually progressed towards weaning off mechanical ventilation. To assess treatment responses, we compared immune phenotypes before and after hydrogen treatment. A marked increase was observed in resting regulatory T cell levels after treatment, accompanied by a notable decrease in Fas+ helper T cell and cytotoxic T cell subtypes. Conclusion: This case study highlights the effectiveness of hydrogen-assisted therapy in managing PF-ILD complicated by pneumonia, warranting further research in the future. [ABSTRACT FROM AUTHOR]

Background/Aim: Rheumatoid arthritis (RA) is a chronic autoimmune disease associated with the functional impairment of multiple joints and the destruction of bone and cartilage. Methotrexate (MTX) is a first-line drug commonly used to treat RA; however, even low doses of MTX can potentially cause rare but severe adverse reactions, such as neutropenic enterocolitis (NE), a life-threatening disease characterized by intestinal mucosal damage and immunodeficiency. Case Report: Here, we report on an 82- year-old RA patient who developed life-threatening NE after ten years of low-dose MTX treatment. The condition of the patient rapidly worsened, requiring emergency electrical cardioversion and intravenous treatment with immunoglobulin (IVIG). Immunophenotypic responses were analyzed before and after treatment to evaluate therapeutic efficacy. Conclusion: This case highlights the importance of monitoring elderly patients with RA receiving low-dose MTX treatment for the potential accumulation of MTX toxicity. Our findings also illustrate the importance of providing timely IVIG therapy for MTX-induced NE. [ABSTRACT FROM AUTHOR]

Background/Aim: Regulatory T cells (Treg) play a crucial role in maintaining immune tolerance and preventing autoimmune diseases. Recent data also indicate that type 1 regulatory T (Tr1) and regulatory B (Breg) cells play an inhibitory (i.e., protective) role in autoimmune diseases. Conventional synthetic disease-modifying antirheumatic drugs (csDMARD) are a first-line therapy for rheumatoid arthritis (RA), and our aim was to predict clinical responses of this treatment using immunophenotyping. Materials and Methods: We first detected the presence of immune cells in fresh blood from 16 healthy controls (HC) and 26 patients with RA (14 drug-naive and 12 csDMARD-experienced). Then, we recorded immunophenotypic changes in 14 drug-naive RA (naive RA) patients prior to csDMARD treatment (i.e., day 0) and after receiving treatment for 6 months. The observed changes were also compared with other clinical indicators, including the presence of anti-citrullinated peptide antibodies (anti-CCP), rheumatoid factor (RF) levels, erythrocyte sedimentation rate (ESR), and C-reactive protein (CRP) levels. Results: Naive RA patients had significantly lower Tregs than HC and csDMARD-experienced patients (both p<0.0001) and the number of Tregs correlated with the diagnosis of RA and therapeutic efficacy of csDMARD treatment. Furthermore, lower baseline levels of Treg, memory Treg, Tr1, and higher PD-1+ Marginal B, Breg cells were significantly associated with decreased development of the 28-joint Disease Activity Score (DAS28) (all p<0.05), revealing better medical response. Multiple regression and principal component analysis identified Treg, Tr1, and Breg as potential predictors of csDMARD responses (Area under curve: 0.9; Accuracy: 92.86%). Furthermore, elevated Treg, Tr1, and Breg cells were associated with decreased DAS28, ESR, and CRP (all p<0.05); changes in Treg and Breg cell expression were also more pronounced among double negative anti-CCP and RF in RA patients with better outcomes (p<0.05). Conclusion: Immunophenotyping can be an adjunct clinical tool to identify patients who are poor candidates for csDMARD therapy. Alternative therapeutic interventions in the early stages of disease should be formulated for these patients. [ABSTRACT FROM AUTHOR]

Background/Aim: Hepatocellular carcinoma (HCC) is a particularly malignant form of cancer prevalent throughout the world; however, there is a pressing need for HCC biomarkers to facilitate prognosis and risk assessment. Patients and Methods: This paper reports on the potential prognostic value of WNK lysine deficient protein kinase 1 (WNK1) in cases of HCC. We analyzed the expression of WNK1 at the mRNA level using omics data from the UALCAN database. We then verified our findings through the immunohistochemical (IHC) staining of various human cancer tissue as well as 59 HCC samples paired with corresponding normal tissues. The prognostic value of mRNA or protein expression by WNK1 was evaluated using the Kaplan-Meier method. Results: Initial screening results revealed significantly higher WNK1 expression levels in HCC tissue compared to normal tissue. Verification using the paired HCC samples confirmed that the expression of WNK1 was indeed significantly higher in HCC tissue samples than in adjacent normal tissues. High WNK1 expression levels were significantly correlated with clinicopathological variables, including gender and histologic grade. Kaplan-Meier survival analysis revealed that high WNK1 expression levels were associated with poor HCC prognosis. Finally, univariate and multivariate analysis identified WNK1 as a prognostic factor for TNM stage in cases of HCC. Conclusion: In summary, WNK1 is overexpressed at the mRNA and protein levels, and correlated with poor prognosis. Thus, WNK1 expression could potentially be used as a biomarker in HCC prognosis. [ABSTRACT FROM AUTHOR]