User profiles for K. Takeyama

Kiyoshi Takeyama

Tokyo Women's Medical University
Verified email at twmu.ac.jp
Cited by 5361

25-Hydroxyvitamin D3 1α-Hydroxylase and Vitamin D Synthesis

K Takeyama, S Kitanaka, T Sato, M Kobori… - Science, 1997 - science.org
Renal 25–hydroxyvitamin D 3 1α-hydroxylase [1α(OH)ase] catalyzes metabolic activation of
25–hydroxyvitamin D 3 into 1α,25–dihydroxyvitamin D 3 [1α,25(OH) 2 D 3 ], an active form of …

Integrative analysis reveals selective 9p24. 1 amplification, increased PD-1 ligand expression, and further induction via JAK2 in nodular sclerosing Hodgkin …

…, E O'Donnell, B Chapuy, K Takeyama… - Blood, The Journal …, 2010 - ashpublications.org
Classical Hodgkin lymphoma (cHL) and mediastinal large B-cell lymphoma (MLBCL) are
lymphoid malignancies with certain shared clinical, histologic, and molecular features. Primary …

Modulation of oestrogen receptor signalling by association with the activated dioxin receptor

F Ohtake, K Takeyama, T Matsumoto, H Kitagawa… - Nature, 2003 - nature.com
Environmental contaminants affect a wide variety of biological events in many species. Dioxins
are typical environmental contaminants that exert adverse oestrogen-related effects 1 . …

Epidermal growth factor system regulates mucin production in airways

K Takeyama, K Dabbagh, HM Lee… - Proceedings of the …, 1999 - National Acad Sciences
Goblet-cell hyperplasia is a critical pathological feature in hypersecretory diseases of airways.
However, the underlying mechanisms are unknown, and no effective therapy exists. Here …

[HTML][HTML] Tumor neovascularization and developments in therapeutics

…, N Tamiya, Y Kaneko, T Yamada, K Takayama - Cancers, 2019 - mdpi.com
Tumors undergo fast neovascularization to support the rapid proliferation of cancer cells.
Vasculature in tumors, unlike that in wound healing, is immature and affects the tumor …

IL-4 induces mucin gene expression and goblet cell metaplasia in vitro and in vivo

K Dabbagh, K Takeyama, HM Lee, IF Ueki… - The Journal of …, 1999 - journals.aai.org
Goblet cell metaplasia and mucus hypersecretion are important features in the pathogenesis
of asthma. The cytokine IL-4 has been shown to play a role in animal models of asthma, …

DEAD-box RNA helicase subunits of the Drosha complex are required for processing of rRNA and a subset of microRNAs

…, C Foulds, S Takezawa, H Kitagawa, K Takeyama… - Nature cell …, 2007 - nature.com
MicroRNAs (miRNAs) control cell proliferation, differentiation and fate through modulation of
gene expression by partially base-pairing with target mRNA sequences 1 , 2 , 3 , 4 , 5 , 6 . …

A histone lysine methyltransferase activated by non-canonical Wnt signalling suppresses PPAR-γ transactivation

…, S Kobayashi, M Igarashi, MY Youn, K Takeyama… - Nature cell …, 2007 - nature.com
Histone modifications induced by activated signalling cascades are crucial to cell-lineage
decisions. Osteoblast and adipocyte differentiation from common mesenchymal stem cells is …

[PDF][PDF] BH3 profiling identifies three distinct classes of apoptotic blocks to predict response to ABT-737 and conventional chemotherapeutic agents

J Deng, N Carlson, K Takeyama, P Dal Cin, M Shipp… - Cancer cell, 2007 - cell.com
Cancer cells exhibit many abnormal phenotypes that induce apoptotic signaling via the intrinsic,
or mitochondrial, pathway. That cancer cells nonetheless survive implies that they select …

Oxidative stress causes mucin synthesis via transactivation of epidermal growth factor receptor: role of neutrophils

K Takeyama, K Dabbagh, J Jeong Shim… - The Journal of …, 2000 - journals.aai.org
Oxidative stress has been implicated in the pathogenesis of inflammatory diseases of airways.
Here we show that oxidative stress causes ligand-independent activation of epidermal …