A technique is described for enriching, from human blood, cells bearing HLA-DR antigens. The method depends on the use of monoclonal mouse antibody which reacts with HLA-DR structures. Cells to which this antibody has bound can be separated after rosetting with bovine erythrocytes coated with anti-mouse immunoglobulin. The cells thus enriched may be used for HLA-DR typing by standard cytotoxicity methods with allogeneic sera.
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http://dx.doi.org/10.1111/j.1399-0039.1979.tb00786.x | DOI Listing |
J Nucl Med
January 2025
Department of Nuclear Medicine, West China Hospital, Sichuan University, Chengdu, China
Fibroblast activation protein (FAP) has been considered a promising target for tumor imaging and therapy. This study designed a novel peptide, FAP-HXN, specifically targeting FAP and exhibiting significant potential as a radionuclide-labeled theranostic agent. Preclinical studies were conducted to evaluate the potency, selectivity, and efficacy of FAP-HXN.
View Article and Find Full Text PDFEur J Pharmacol
January 2025
State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing, Jiangsu 211198, PR China. Electronic address:
Fc receptor γ subunit (FcRγ) activation plays a crucial role in cancer carcinogenesis. Here, we aimed to uncover the impact of FcRγ on circulating tumor cells (CTC) colonization and the underlying mechanism. FcRγ deficient (FcRγ) mice were used to investigate the functional effects of FcRγ in cancer metastasis, and the results demonstrated that FcRγ deficiency significantly promotes metastasis.
View Article and Find Full Text PDFInt J Biol Macromol
January 2025
College of Chemistry & Pharmacy, Northwest A&F University, Yangling, Shaanxi 712100, PR China. Electronic address:
Multidrug resistance (MDR) has become a major challenge in tumor chemotherapy, primarily associated with the overexpression of P-glycoprotein (P-gp). Inhibiting P-gp expression and function through redox dyshomeostasis has shown great potential for reversing MDR. Here, a nanometer system of copper-based metal-organic framework (HA-CuMOF@DOX) modified with hyaluronic acid (HA) was constructed to overcome MDR via two-way regulation of redox homeostasis under hypoxia.
View Article and Find Full Text PDFBiochem Biophys Res Commun
January 2025
Department of Pharmacology, Life Science and Biopharmaceutical Institution, Shenyang Pharmaceutical University, Shenyang, 110016, Liaoning Province, China. Electronic address:
Agonistic monoclonal antibodies targeting 4-1BB have shown much preclinical promise, but their clinical development has been limited by obvious toxicity or unremarkable efficacy. Here, we generated two humanized anti-B7H3 × 4-1BB bsAbs (HK056-001/002) by fusing an anti-4-1BB scFv to the C-terminus of an anti-B7H3 with an intact Fc fragment from human IgG1 or IgG4. The two bsAbs were able to stimulate the 4-1BB signaling pathway, which was strictly dependent on B7H3 expression.
View Article and Find Full Text PDFJ Med Chem
January 2025
Guangdong Provincial Key Laboratory of New Drug Screening, NMPA Key Laboratory for Research and Evaluation of Drug Metabolism, School of Pharmaceutical Sciences, Southern Medical University, Guangzhou 510515, China.
Based on our previous work, a series of imidazole-based small molecules were designed and synthesized as HDAC3 inhibitors. Among them, compound showed selective HDAC3 inhibition activity with an IC of 53 nM (SI = 75 for HDAC3 over HDAC1). Further studies revealed that could dose-dependently induce the expression of PD-L1 in MC38 cells by activating the PD-L1 transcription.
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