The studies of urinary polyamine excretion in heart transplant patients reported in this article indicate that (1) total urinary polyamine excretion is increased one to three days before a biopsy-proved rejection in conventionally treated patients, (2) the acetylputrescine to N1-acetylspermidine ratio becomes elevated before rejection in cyclosporine-treated patients, and (3) the response to elevated ATG therapy during rejection can be evaluated by monitoring urinary polyamine concentrations. We conclude that daily monitoring of urinary polyamine levels may provide a noninvasive biochemical marker that precedes rejection and which parallels the extent of T lymphocyte suppression during the course of immunosuppressive drug therapy.
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J Environ Sci (China)
July 2025
State Key Laboratory of Environmental and Biological Analysis, Department of Chemistry, Hong Kong Baptist University, Hong Kong, China. Electronic address:
N-(1,3-dimethylbutyl)-N'-phenyl-p-phenylenediamine quinone (6PPDQ) and its parent 6PPD are ubiquitous in the environment and may induce multi-endpoint toxicity. Electronic waste (e-waste) dismantling is an under-recognized source of 6PPD and 6PPDQ emissions, and there is a lack of epidemiological investigations into their presence and health effects in local populations. This study aimed to determine the urinary concentrations of 6PPD and 6PPDQ in children aged 2-7 years from e-waste dismantling areas and evaluate their potential risk to physical growth.
View Article and Find Full Text PDFOrphanet J Rare Dis
January 2025
Internal Medicine IV, Department of Gastroenterology, University Hospital Heidelberg, INF 410, Heidelberg, 69120, Germany.
Background & Aim: Twenty-four-hour urinary copper excretion (24 h-UCE) is the standard diagnostic tool for dose adjustments in maintenance therapy in Wilson disease (WD) patients. Guidelines lack data if both variants of 24 h-UCE measurement (with or without 48 h of treatment interruption) are equally interpretable.
Methods: Eighty-four patients with a confirmed diagnosis of WD treated with chelators (50% of patients with D-Penicillamine and 50% with trientine) and with pairwise 24-h-UCE values on-therapy and off-therapy were included in the analysis.
BMC Nephrol
January 2025
Department of Urology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8522, Japan.
Background: The existing criteria for living kidney donors (LKDs)in Japan are controversial. We evaluated the roles of computed tomography volumetry (CTV) and 99 m Tc-diethylenetriamine penta-acetic acid (DTPA) scintigraphy in assessing preoperative and postoperative renal function and predicting early recovery of residual renal function.
Methods: We retrospectively reviewed the medical charts of 175 consecutive LKDs who underwent donor nephrectomy (DN) at our institution between 2006 and 2022.
Cell Mol Biol (Noisy-le-grand)
November 2024
Department of Nutrition & Dietetics, National University of Medical Sciences, Rawalpindi, Pakistan.
Iron fortification compounds are of special interest to treat iron deficiency anemia, however, the dose-response effects of these fortificants on liver and renal functions have not been extensively reported in human subjects. The present study determines the effects of prebiotics and iron fortificants on liver function tests (LFTs) and renal function tests (RFTs) among women of reproductive age (WRA). A double-blind randomized controlled trial was performed for the duration of 90 days.
View Article and Find Full Text PDFInt J Legal Med
November 2024
Department of Forensic Medicine, The Jikei University School of Medicine, Nishishinbashi 3-25-8, Minato-Ku, Tokyo, 105-8461, Japan.
Acrolein, a polyamine produced from spermine during brain infarction, has recently been used in clinical settings for brain infarction risk assessment. However, few studies have investigated the diagnostic usefulness of acrolein measurement in postmortem specimens. In this study, we measured the acrolein concentration in postmortem specimens to assess its potential as a marker for stroke diagnosis.
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