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Metabolites, Volume 15, Issue 7

July 2025 - 73 articles

Cover Story: This study investigated seminal vesicle (SV-S9) metabolism of doping agents (stanozolol, LGD-4033, GW1516, trimetazidine, anastrozole) compared to liver S9 fractions. LC-HRAM MS analysis revealed minimal SV-S9 activity: LGD-4033, GW1516 and trimetazidine showed minor metabolites, while stanozolol and anastrozole remained unchanged. Digital PCR detected CYP2D6, CYP2E1 and CYP2C9 transcripts in SV-S9, but no enzymatic activity. Key hepatic enzymes (CYP3A4, CYP1A2) were absent. Findings suggest that seminal vesicles play a negligible role in xenobiotic metabolism, with implications for doping control interpretations. View this paper
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Articles (73)

  • Article
  • Open Access
838 Views
12 Pages

Background: Riboflavin transporter deficiency type 2 is an ultra-rare, yet treatable, inborn error of metabolism. This autosomal recessive disorder is caused by pathogenic mutations in the SLC52A2 gene leading to progressive ataxia, polyneuropathy, a...

  • Article
  • Open Access
1 Citations
707 Views
18 Pages

Decoding Fish Origins: How Metals and Metabolites Differentiate Wild, Cultured, and Escaped Specimens

  • Warda Badaoui,
  • Kilian Toledo-Guedes,
  • Juan Manuel Valero-Rodriguez,
  • Adrian Villar-Montalt and
  • Frutos C. Marhuenda-Egea

Background: Fish escape events from aquaculture facilities are increasing and pose significant ecological, economic, and traceability concerns. Accurate methods to differentiate between wild, cultured, and escaped fish are essential for fishery manag...

  • Article
  • Open Access
1,353 Views
28 Pages

Human Metabolism of Sirolimus Revisited

  • Baharak Davari,
  • Touraj Shokati,
  • Alexandra M. Ward,
  • Vu Nguyen,
  • Jost Klawitter,
  • Jelena Klawitter and
  • Uwe Christians

Background: Sirolimus (SRL, rapamycin) is a clinically important mTOR inhibitor used in immunosuppression, oncology, and cardiovascular drug-eluting devices. Despite its long-standing FDA approval, the human metabolic profile of SRL remains incomplet...

  • Article
  • Open Access
1,180 Views
26 Pages

Exploratory Metabolomic and Lipidomic Profiling in a Manganese-Exposed Parkinsonism-Affected Population in Northern Italy

  • Freeman Lewis,
  • Daniel Shoieb,
  • Somaiyeh Azmoun,
  • Elena Colicino,
  • Yan Jin,
  • Jinhua Chi,
  • Hari Krishnamurthy,
  • Donatella Placidi,
  • Alessandro Padovani and
  • Andrea Pilotto
  • + 6 authors

Background/Objectives: Chronic manganese (Mn) exposure is a recognized environmental contributor to Parkinsonian syndromes, including Mn-induced Parkinsonism (MnIP). This study aimed to evaluate whole-blood Mn levels and investigate disease/exposure-...

  • Article
  • Open Access
748 Views
20 Pages

Background/Objectives: Within their host trees, mountain pine beetles (MPBs, Dendroctonus ponderosae) interact with many fungal species, each releasing a unique profile of volatile organic compounds (VOCs). The FVOCs released by the two primary symbi...

  • Correction
  • Open Access
460 Views
1 Page

Correction: Sadler et al. Lipid Metabolism Is Dysregulated in the Motor Cortex White Matter in Amyotrophic Lateral Sclerosis. Metabolites 2022, 12, 554

  • Gemma L. Sadler,
  • Katherine N. Lewis,
  • Vinod K. Narayana,
  • David P. De Souza,
  • Joel Mason,
  • Catriona McLean,
  • David G. Gonsalvez,
  • Bradley J. Turner and
  • Samantha K. Barton

In the original publication [...]

  • Article
  • Open Access
770 Views
17 Pages

Reduction of Dietary Fat Rescues High-Fat Diet-Induced Depressive Phenotypes and the Associated Hippocampal Astrocytic Deficits in Mice

  • Kai-Pi Cheng,
  • Hsin-Hao Chao,
  • Chin-Ju Hsu,
  • Sheng-Feng Tsai,
  • Yen-Ju Chiu,
  • Yu-Min Kuo and
  • Yun-Wen Chen

Background/Objectives: Depression is frequently comorbid with obesity. We previously showed that astrocyte-mediated hyperactive ventral hippocampal glutamatergic afferents to the nucleus accumbens determined the exhibition of depression-like behavior...

  • Article
  • Open Access
1,054 Views
14 Pages

LC-MS-Based Untargeted Metabolic Profiling in Plasma Following Dapagliflozin Administration in Healthy Volunteers

  • Hyeon Ji Kim,
  • Jae Hwa Lee,
  • Ji Seo Park,
  • Jin Ju Park,
  • Hae Won Lee,
  • Heeyoun Bunch,
  • Sook Jin Seong,
  • Mi-Ri Gwon and
  • Young-Ran Yoon

Dapagliflozin, a sodium-glucose cotransporter 2 inhibitor, treats type 2 diabetes by blocking renal glucose reabsorption and promoting urinary glucose excretion. This mechanism lowers blood glucose concentrations independently of insulin. The resulti...

  • Article
  • Open Access
705 Views
9 Pages

Clay Attenuates Diarrhea Induced by Fat in a Mouse Model

  • Shalom Emmanuel,
  • Nyma Siddiqui,
  • Ting Du,
  • Eric Asare,
  • Yuan Chen,
  • Huan Xie,
  • Dong Liang and
  • Song Gao

Background: Diarrhea induced by an excessive amount of fat is a prevalent gastrointestinal disorder. Currently, there are limited animal models and treatment options for diarrhea associated with fat. This study aims to develop a mouse model of high-f...

  • Article
  • Open Access
1 Citations
638 Views
13 Pages

Assessment of Fatty Acid Concentrations Among Blood Matrices

  • Ysphaneendra Mallimoggala,
  • Monalisa Biswas,
  • Leslie Edward S. Lewis,
  • Vijetha Shenoy Belle,
  • Arjun Asok and
  • Varashree Bolar Suryakanth

Background/Objectives: Fatty acids, the building blocks of lipids, contribute to numerous crucial life processes and are implicated in numerous disease pathologies. Circulating fatty acids can be extracted/trans-esterified to their respective methyl...

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Metabolites - ISSN 2218-1989Creative Common CC BY license