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  • Article
  • Open Access

Region-Specific Lipid Alterations Around the 28-Year Transition as Early Indicators of Skin Aging

  • Meiting Yi,
  • Qian Jiao,
  • Jianbiao He,
  • Huiliang Li,
  • Yangyang Fang,
  • Youjie He,
  • Huaming He and
  • Yan Jia

13 January 2026

Background: Early molecular changes on the facial skin surface during early adulthood remain insufficiently characterized. We integrated biophysical readouts with untargeted skin surface lipid (SSL) profiling to identify region-dependent, age-associa...

  • Article
  • Open Access

13 January 2026

Background/Objectives: Replacing fish oil with vegetable oil is an important measure for aquaculture to relieve the pressure of fish oil, but it is also easy to cause the growth decline and metabolic disorder of farmed animals, mainly due to the chan...

  • Article
  • Open Access

Cystatin C Mirrors Fibrosis Burden in Metabolic Syndrome: Insights from the Metabolic Dysfunction-Associated Fibrosis-5 Score

  • Musa Salmanoğlu,
  • Sinan Kazan,
  • Elif Yıldırım Ayaz,
  • Süleyman Kılıç,
  • Elif Kazan and
  • Sena Ulu

13 January 2026

Background: Metabolic syndrome (MetS) comprises interrelated metabolic abnormalities that collectively confer increased risk of cardiovascular disease and hepatic morbidity. The MAF-5 score is a non-invasive prognostic marker of liver fibrosis and mo...

  • Article
  • Open Access

Synovial Joint Fluid Metabolomic Profiles and Pathways Differentiate Osteoarthritis, Rheumatoid Arthritis, and Psoriatic Arthritis

  • Ozan Kaplan,
  • Rositsa Karalilova,
  • Zguro Batalov,
  • Konstantin Batalov,
  • Maria Kazakova,
  • Victoria Sarafian,
  • Emine Koç,
  • Mustafa Çelebier and
  • Feza Korkusuz

12 January 2026

Background: Distinguishing between osteoarthritis (OA), rheumatoid arthritis (RA), and psoriatic arthritis (PsA) remains challenging despite different underlying mechanisms. Synovial fluid reflects metabolic changes within affected joints, yet compre...

  • Article
  • Open Access

Discrimination of Bipolar Disorder and Schizophrenia Patients Based on LC-HRMS Lipidomics

  • Milan R. Janković,
  • Nataša Avramović,
  • Zoran Miladinović,
  • Milka B. Jadranin,
  • Marija Takić,
  • Gordana Krstić,
  • Aleksandra Gavrilović,
  • Čedo Miljević,
  • Maja Pantović and
  • Zorana Andrić
  • + 5 authors

12 January 2026

Background/Objectives: Schizophrenia (SCH) and bipolar disorder (BD) share overlapping symptoms and genetic factors, making differential diagnosis challenging and often leading to misdiagnosis. This study aimed to identify potential lipid biomarkers...

  • Article
  • Open Access

12 January 2026

Background: Proteasomes are protein complexes that mediate proteolysis to degrade unneeded or damaged proteins, and they play an indispensable role in plant growth and development. However, their regulatory effects on tomato fruit quality and the und...

  • Article
  • Open Access

Metabolomic Subtyping and Machine Learning-Based Diagnosis Reveal Clinical Heterogeneity in Silicosis

  • Jia Si,
  • Hangju Zhu,
  • Xinyu Ji,
  • An-Dong Li,
  • Ye Li,
  • Shidan Wang,
  • Yizhou Yang,
  • Jianye Guo,
  • Xinyu Li and
  • Xiaocheng Peng
  • + 4 authors

12 January 2026

Background/Objectives: Silicosis remains a major occupational health concern worldwide and is characterized by notable clinical heterogeneity in terms of disease progression and complications. However, the underlying metabolic mechanisms contributing...

  • Article
  • Open Access

Itaconate Promotes Cold Adaptation and Myocardial Protection by Enhancing Brown Adipose Tissue Metabolism

  • Zilong Geng,
  • Xing Liu,
  • Xiao Cheng,
  • Shizhan Xu,
  • Jin Zhang,
  • Ao Tan,
  • Shun Song and
  • Shasha Zhang

12 January 2026

Background/Objectives: Itaconic acid (ITA) is an immunometabolite with anti-inflammatory and metabolic regulatory functions, but its cellular source and role in brown adipose tissue (BAT) remain unclear. This study aims to reveal the expression patte...

  • Article
  • Open Access
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17 Pages

Optical and Microdialysis Monitoring of Succinate Prodrug Treatment in a Rotenone-Induced Model of Mitochondrial Dysfunction in Swine

  • Alistair Lewis,
  • Rodrigo M. Forti,
  • Tiffany S. Ko,
  • Eskil Elmér,
  • Meagan J. McManus,
  • Arjun G. Yodh,
  • Todd J. Kilbaugh and
  • Wesley B. Baker

11 January 2026

Background/Objectives: Mitochondrial dysfunction is a major cause of brain injury in patients with primary mitochondrial disease. New mitochondrial therapeutics and non-invasive tools for efficacy monitoring are urgently needed. To these ends, succin...

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Metabolites - ISSN 2218-1989