The main purpose of newborn screening is to diagnose genetic, metabolic, and other inherited disorders, at their earliest to start treatment before the clinical manifestations become evident. Understanding and tracing the biochemical data obtained from tandem mass spectrometry is vital for early diagnosis of metabolic diseases associated with such disorders. Accordingly, it is important to focus on the entire diagnostic process, including differential and confirmatory diagnostic options, and the major factors that influence the results of biochemical analysis. Compared to regular biochemical testing, this is a complex process carried out by a medical physician specialist. It is comprised of an integrated program requiring multidisciplinary approach such as, pediatric specialist, expert scientist, clinical laboratory technician, and nutritionist. Tandem mass spectrometry is a powerful tool to improve screening of newborns for diverse metabolic diseases. It is likely to be used to analyze other treatable disorders or significantly improve existing newborn tests to allow broad scale and precise testing. This new era of various screening programs, new treatments, and the availability of detection technology will prove to be beneficial for the future generations.
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http://dx.doi.org/10.6065/apem.2015.20.3.119 | DOI Listing |
Kidney360
November 2024
The Departments of Medicine, Veterans Affairs Palo Alto Healthcare System and Stanford University, Palo Alto, CA, USA 94304.
Background: Hemodialysis may excessively remove valuable solutes. Untargeted metabolomics data from a prior study suggested that ergothioneine was depleted in the plasma of hemodialysis subjects. Ergothioneine is a dietary-derived solute with antioxidant properties.
View Article and Find Full Text PDFJ Proteome Res
January 2025
Key Laboratory of Carcinogenesis and Translational Research, Department of Head and Neck Surgery, Peking University Cancer Hospital & Institute, Beijing 100142, China.
The carboxyl-terminus of Hsp70-interacting protein (CHIP) plays crucial roles in tumorigenesis and immunity, with previous studies suggesting a double-edged sword in thyroid cancer. However, its precise functions and underlying molecular mechanisms in thyroid cancer remained unclear. Here, we demonstrate through immunohistochemistry (IHC) that CHIP expression progressively increases from normal thyroid tissue to primary papillary thyroid carcinoma (PTC) and lymph node metastases, with CHIP levels positively correlating with lymph node metastasis ( = 0.
View Article and Find Full Text PDFKidney360
January 2025
Departments of Medicine, Stanford University and VA Palo Alto HCS, Palo Alto CA USA.
Background: If the GFR falls far enough, uremic symptoms such as anorexia and nausea prompt the initiation of dialysis. Thrice weekly hemodialysis can prevent recurrence of these symptoms even when patients become anuric. To accomplish this it must maintain the plasma levels of the uremic solutes which cause these symptoms lower than they were when dialysis was initiated.
View Article and Find Full Text PDFJ Proteome Res
January 2025
Discovery Research, AbbVie, Inc., 1 North Waukegan Rd., North Chicago, Illinois 60064, United States.
Affinity capture (AC) combined with mass spectrometry (MS)-based proteomics is highly utilized throughout the drug discovery pipeline to determine small-molecule target selectivity and engagement. However, the tedious sample preparation steps and time-consuming MS acquisition process have limited its use in a high-throughput format. Here, we report an automated workflow employing biotinylated probes and streptavidin magnetic beads for small-molecule target enrichment in the 96-well plate format, ending with direct sampling from EvoSep Solid Phase Extraction tips for liquid chromatography (LC)-tandem mass spectrometry (MS/MS) analysis.
View Article and Find Full Text PDFThyroid
January 2025
Department of Nuclear Medicine, All India Institute of Medical Sciences, New Delhi, India.
The study aimed to analyze the long-term outcomes of [Lu]Lu-DOTAGA.FAPi dimer therapy in individuals diagnosed with radioiodine-resistant (RAI-R) follicular cell-derived thyroid cancer. In this retrospective study, 73 patients with RAI-R follicular thyroid carcinoma who had undergone multiple lines of previous treatments were included.
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