Currently, chromatography (GC but more commonly HPLC) is the analytical method of choice for several hormones, either because the immunoassays suffer from extensive crossreactivity or because chromatography permits simultaneous measurements of hormones. However, sometimes the conventional detection systems with HPLC methods do not meet desired specificity. With the increase of robust and affordable LC-MS/MS systems, the next step forward in specificity was taken. LC-MS/MS is rapidly being incorporated in the endocrine laboratories. To be useful in the clinical diagnostic practice, it is of utmost importance that methods are both analytically and clinically vaidated, as until now, the majority of applications of LC-MS/MS in the clinical laboratories are 'home-made' methods, therefore special case must be taken. This review aims to focus on Clinical and Laboratory Standards Institute or comparable validated LC-MS/MS methods for targeted hormone analysis used for diagnostic purposes in human samples, published in the last 5 years.
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http://dx.doi.org/10.4155/bio.13.300 | DOI Listing |
Biofactors
January 2025
Natural Products and Analytical Chemistry Laboratory, MIGAL - Galilee Research Institute, Kiryat Shemona, Israel.
Atherosclerosis is a major cause of morbidity and mortality worldwide; in Israel, ischemic heart disease is the second leading cause of death for both genders aged 45 and above. Atherosclerosis involves stiffening of the arteries due to the accumulation of lipids and oxidized lipids on the blood vessel walls, triggering the development of artery plaque. Coronary artery disease (CAD) is the most common manifestation of atherosclerosis.
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January 2025
Medicinal Chemistry Department, Theodor Bilharz Research Institute Kornaish El Nile, Warrak El-Hadar, Imbaba (P.O. 30), Giza 12411, Egypt.
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Methods: This study was carried out to evaluate the chemical profile and antioxidant activities using DPPH, ABTS, Phenanthroline, Cupric, Phosphomolybdenum, FRAP, Hydroxyl, Iron chelation in vitro assays, and anticancer properties by MTT method of Cistus creticus extracts.
Food Addit Contam Part B Surveill
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Department of Chemical Sciences, Ariel University, Ariel, Israel.
This study employed QuEChERS extraction method combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS) to analyse honey samples from Albania for nitroimidazole residues. This approach allowed for the detection of trace-level residues, achieving sensitivity in the parts per billion range. Out of the 45 honey samples analysed, 6 exceeded the European Union's safety limit of 1 µg/kg, with metronidazole (MNZ) and dimetridazole (DMZ) being the predominant contaminants.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
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Endocrinology and Diabetes Center, Yokohama Rosai Hospital, Yokohama, Japan.
Several decades have passed since the description of the first patient with primary aldosteronism (PA). PA was initially classified in two main forms: aldosterone-producing adenoma (APA) and idiopathic hyperaldosteronism (IHA). However, the pathogenesis of PA has now been shown to be far more complex.
View Article and Find Full Text PDFRSC Adv
January 2025
Department of Pharmaceutical Chemistry, Faculty of Pharmacy, King Abdulaziz University P.O. Box 80260 Jeddah 21589 Saudi Arabia +966 553399718.
A mutual prodrug of sertraline-methylpropyphenazone (SER-MP) was prepared and characterized using a spectral method. The yield of the prepared SER-MP was 90%, and its purity reached 98.8%.
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