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Multiple myeloma-associated non-crystalline proximal tubulopathy and crystalline cast nephropathy: Biochemical and structural features of disease-causing monoclonal kappa light chains.
FASEB J
January 2025
Department of Hematology, Nephrology, and Rheumatology, Graduate School of Medicine, Akita University, Akita, Japan.
Various tubular diseases in patients with multiple myeloma (MM) are caused by monoclonal immunoglobulin light chains (LCs). However, the physicochemical characteristics of the disease-causing LCs contributing to the onset of MM-associated tubular diseases remain unclear. We herein report a rare case of MM-associated combined tubulopathies: non-crystalline light chain proximal tubulopathy (LCPT) and crystalline light chain cast nephropathy (LCCN).
View Article and Find Full Text PDFTaurine and betaine are important nutrients in and have many important biological properties. To investigate the characteristics of taurine and betaine contents and identify SNPs associated with traits in the , we cloned the full-length cDNA of key genes in taurine and betaine (unpublished data) metabolism, determined taurine and betaine content and gene expression in different tissues and months of specimen collection, and developed SNPs in the gene coding region. We cloned the full-length cDNA of cysteine dioxygenase ( ) and cysteine sulfite decarboxylase ( ), which are key genes involved in taurine metabolism in , and found that betaine and taurine contents and the expression of key genes were regulated by seawater salinity.
View Article and Find Full Text PDFCoronavirus disease 2019 (COVID-19), caused by infection with the enveloped RNA betacoronavirus, SARS-CoV-2, led to a global pandemic involving over 7 million deaths. Macrophage inflammatory responses impact COVID-19 severity; however, it is unclear whether macrophages are infected by SARS-CoV-2. We sought to identify mechanisms regulating macrophage expression of ACE2, the primary receptor for SARS-CoV-2, and to determine if macrophages are susceptible to productive infection.
View Article and Find Full Text PDFConstruction and verification of an infectious cDNA clone of encephalomyocarditis virus from pigs.
J Virol Methods
January 2025
Huzhou Key Laboratory of Innovation and Application of Agricultural Germplasm Resources, Huzhou Academy of Agricultural Sciences, Huzhou 313000, China. Electronic address:
In this study, a novel Encephalomyocarditis virus (EMCV) reverse genetic operating system was developed utilizing CMV promoters, enabling EMCV genome expression under the transcriptional control of the CMV immediate early promoter and BGH polyA transcriptional-termination signal. The full-length cDNA of EMCV BJC3 was ligated to the pRK5 vector, incorporating the CMV eukaryotic promoter sequence, resulting in the construction of recombinant plasmid EMCV (pEMCV). Subsequently, the recombinant plasmid was transfected into BHK-21 cells to generate the rescue virus.
View Article and Find Full Text PDFMolecular and biological characterization of infectious full-length cDNA clones of two viruses in Paris yunnanensis, including a novel potyvirus.
Sci Rep
January 2025
State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, 650201, China.
Paris yunnanensis, also named as Rhizoma Paridis in the Chinese Pharmacopeia, is a perennial Chinese medicinal herb commonly grown in Southwest China. However, several viruses have been found infecting this plant in recent years. Using high-throughput sequencing (HTS) and Sanger sequencing, this study obtained the complete genome sequences of three capillovirus isolates and one potyvirus isolate.
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