Kiyosumi Takaishi

ORCID: 0000-0003-2657-9738
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About
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Research Areas
  • Pancreatic function and diabetes
  • Muscle Physiology and Disorders
  • Immune Response and Inflammation
  • Cell Adhesion Molecules Research
  • Diet, Metabolism, and Disease
  • Lipid metabolism and biosynthesis
  • RNA Interference and Gene Delivery
  • Advanced biosensing and bioanalysis techniques
  • Adipose Tissue and Metabolism
  • Regulation of Appetite and Obesity
  • Neutrophil, Myeloperoxidase and Oxidative Mechanisms
  • Cholesterol and Lipid Metabolism
  • Thyroid Disorders and Treatments
  • Lung Cancer Treatments and Mutations
  • Carbohydrate Chemistry and Synthesis
  • Biochemical and Molecular Research
  • Lipid metabolism and disorders
  • Telomeres, Telomerase, and Senescence
  • Parathyroid Disorders and Treatments
  • NF-κB Signaling Pathways
  • Glycogen Storage Diseases and Myoclonus
  • RNA Research and Splicing
  • Renal and related cancers
  • Hormonal Regulation and Hypertension
  • Platelet Disorders and Treatments

Daiichi-Sankyo (Japan)
2003-2024

Daiichi Sankyo (Germany)
2010

The University of Texas Southwestern Medical Center
2003-2004

Abstract Currently, there are no treatments for Alport syndrome, which is the second most commonly inherited kidney disease. Here we report development of an exon-skipping therapy using antisense-oligonucleotide (ASO) severe male X-linked syndrome (XLAS). We targeted truncating variants in exon 21 COL4A5 gene and conducted a type IV collagen α3/α4/α5 chain triple helix formation assay, vitro vivo treatment efficacy evaluation. show that skipping enabled trimer formation, leading to...

10.1038/s41467-020-16605-x article EN cc-by Nature Communications 2020-06-02

We have examined gene expression in the fat tissue of normal mice at onset diet-induced obesity. Insulin-induced 1 (insig-1) mRNA rose progressively with a high-fat diet and declined on restricted diet. Because insig-1 binds sterol regulatory element-binding protein cleavage-activating endoplasmic reticulum, thereby blocking proteolytic processing required for activation, we tested its influence lipogenesis. In differentiating 3T3-L1 cells, -2 parallel aP 2 during differentiation. The...

10.1073/pnas.1133426100 article EN Proceedings of the National Academy of Sciences 2003-07-17

To determine whether the antilipogenic actions of insulin-induced gene 1 (insig-1) demonstrated in cultured preadipocytes also occur vivo, we infected Zucker diabetic fatty (ZDF) (fa/fa) rats, with recombinant adenovirus containing insig-1 or -2 cDNA. An increase both proteins appeared their livers. In control ZDF rats beta-galactosidase (beta-gal) cDNA, triacylglycerols liver and plasma rose steeply whereas insig-infected exhibited substantial attenuation hepatic steatosis hyperlipidemia....

10.1073/pnas.0401715101 article EN Proceedings of the National Academy of Sciences 2004-04-19

Rat cytokine-induced neutrophil chemoattractant (CINC), which is a counterpart of human gro and belongs to the interleukin-8 family, has been quantified by new sandwich enzyme-linked immunosorbent assay. Administration lipopolysaccharide (LPS) into an air pouch performed subcutaneous injection caused inflammation severe infiltration. After LPS injection, changes in concentration CINC/gro, chemotactic activity, number neutrophils exudate were determined. The activity was augmented before...

10.1128/iai.60.4.1268-1272.1992 article EN Infection and Immunity 1992-04-01

Potent chemotactic activity for neutrophils was detected in rat inflammatory exudate induced by a subcutaneous injection of lipopolysaccharide carboxymethyl-cellulose suspension. We purified and characterized chemoattractants from the following procedures: carboxymethyl-Sephadex C-25 ion-exchange chromatography; G3000SW gel-filtration preparative reverse-phase high-pressure liquid rechromatography on HPLC. Two factors were their N-terminal amino acid sequences determined. One factor protein...

10.1111/j.1432-1033.1993.tb17920.x article EN European Journal of Biochemistry 1993-05-01

Abstract Mutations in activin receptor-like kinase 2 (ALK2) can cause the pathological osteogenic signaling seen some patients with fibrodysplasia ossificans progressiva and other conditions such as diffuse intrinsic pontine glioma. Here, we report that intracellular domain of wild-type ALK2 readily dimerizes response to BMP7 binding drive signaling. This is pathologically triggered by heterotetramers type II receptor kinases mutant forms, which form dimers A binding. We develop a blocking...

10.1038/s41467-023-38746-5 article EN cc-by Nature Communications 2023-05-25

An obesity-induced diabetes model using genetically normal mouse strains would be invaluable but remains to established. One reason is that several are resistant high-fat diet-induced obesity. In the present study, we show effectiveness of gold thioglucose (GTG) in inducing hyperphagia and severe obesity mice, demonstrate development strains. GTG treated DBA/2, C57BLKs, BDF1 mice gained weight rapidly exhibited significant increases nonfasting plasma glucose levels 8-12 weeks after...

10.1038/oby.2010.171 article EN Obesity 2010-08-12

Cytokine-induced neutrophil chemoattractant (CINC)-1, a counterpart of the human growth-regulated gene product (GRO) interleukin-8 family, has been suggested to play critical roles as mediator inflammatory reactions with infiltration in rats. NF-kappaB speculated be involved production CINC-1, since NF-kappaB-binding domain is important for CINC-1 promoter activity several our reporter assays. In present study, we examined effects an overexpression IkappaBalpha, specific natural inhibitor...

10.1093/oxfordjournals.jbchem.a022634 article EN The Journal of Biochemistry 2000-03-01

Glycogen storage disease type 1a (GSD1a) is caused by a congenital deficiency of glucose-6-phosphatase-alpha (G6Pase-α, encoded G6PC), primarily associated with life-threatening hypoglycemia. Although strict dietary management substantially improves the life expectancy, patients still suffer from intermittent hypoglycemia and develop hepatic complications. Emerging therapies utilizing new modalities such as adeno-associated virus mRNA lipid nanoparticles are under development for GSD1a, but...

10.1172/jci163464 article EN cc-by Journal of Clinical Investigation 2023-10-03
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