Following up on our most recent discussion paper focussing on the continued regulatory challenges for bioanalysis of biotherapeutic and biomarker proteins with LC-MS/MS, the European Bioanalysis Forum reports back on their internal discussions on and experience with method development for biotherapeutic and biomarker proteins in research and regulated Bioanalysis. Due to the broad array of topics discussed, this information is spread over two research papers, where one focusses on the fundamental principles on which the technology is built (i.e., the what) and another on the practical considerations (i.e., the how). In this paper, we discuss 'the how'. Both papers should be helpful for the bioanalytical community to better understand the challenges and provide an insight on why bioanalysis of biotherapeutic and biomarker proteins with LC-MS/MS should not be compared with the more traditional LC-MS/MS assay for small molecules or ligand binding assays for biotherapeutics.
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http://dx.doi.org/10.1080/17576180.2024.2418251 | DOI Listing |
Nat Commun
January 2025
Carisma Therapeutics Inc, Philadelphia, PA, USA.
We previously developed human CAR macrophages (CAR-M) and demonstrated redirection of macrophage anti-tumor function leading to tumor control in immunodeficient xenograft models. Here, we develop clinically relevant fully immunocompetent syngeneic models to evaluate the potential for CAR-M to remodel the tumor microenvironment (TME), induce T cell anti-tumor immunity, and sensitize solid tumors to PD1/PDL1 checkpoint inhibition. In vivo, anti-HER2 CAR-M significantly reduce tumor burden, prolong survival, remodel the TME, increase intratumoral T cell and natural killer (NK) cell infiltration, and induce antigen spreading.
View Article and Find Full Text PDFLipids Health Dis
January 2025
Department of Biochemistry, Kasturba Medical College, Manipal, Manipal Academy of Higher Education, Karnataka, 576104, Manipal, India.
Metabolic dysfunction-associated steatotic liver disease (MASLD) is an asymptomatic, multifaceted condition often associated with various risk factors, including fatigue, obesity, insulin resistance, metabolic syndrome, and sleep apnea. The increasing burden of MASLD underscores the critical need for early diagnosis and effective therapies. Owing to the lack of efficient therapies for MASLD, early diagnosis is crucial.
View Article and Find Full Text PDFPharmaceuticals (Basel)
November 2024
Department of Nuclear Medicine, Medical University of Innsbruck, 6020 Innsbruck, Austria.
: Dual-modality probes, combining positron emission tomography (PET) with fluorescence imaging (FI) capabilities in a single molecule, are of high relevance for the accurate staging and guided resection of tumours. We herein present a pair of candidates targeting the cholecystokinin-2 receptor (CCK2R), namely [Ga]Ga-CyTMG and [Ga]Ga-CyFMG. In these probes, the SulfoCy5.
View Article and Find Full Text PDFCancers (Basel)
December 2024
Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.
Lung cancer is a deadly disease with the highest rates of mortality. Over recent decades, a better understanding of the biological mechanisms implicated in its pathogenesis has led to the development of targeted therapies and immunotherapy, resulting in improvements in patient outcomes. To better understand lung cancer tumor biology and advance towards precision oncology, a comprehensive tumor profile is necessary.
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