Tadashi Wada

Retrospective Study on Home Care for Patients with Hematologic Malignancies (2009)

Kodama, Yuko, Takita, Morihito, Kawagoe, Shohei, Hirahara, Satoshi, Kimura, Yukihiro, Onozawa, Shigeru, ...

Objective There is a lack of sufficient information on the employment of home care for the treatment of hematologic malignancies. Methods We provided home care to 580 patients from 1 January through...

Drosophila blimp-1 is a transient transcriptional repressor that controls timing of the ecdysone-induced developmental pathway (2008)

Agawa, Yasuo, Sarhan, Moustafa, Kageyama, Yuji, Akagi, Kazutaka, Takai, Masayoshi, Hashiyama, Kazuya, ...

Regulatory mechanisms controlling the timing of developmental events are crucial for proper development to occur. ftz-fl is expressed in a temporally regulated manner following pulses of ecdysteroid...

A new APE1/Ref-1-dependent pathway leading to reduction of NF-{kappa}B and AP-1, and activation of their DNA-binding activity (2008)

Ando, Kozue, Hirao, Satoshi, Kabe, Yasuaki, Ogura, Yuji, Sato, Iwao, Yamaguchi, Yuki, ...

APE1/Ref-1 is thought to be a multifunctional protein involved in reduction–oxidation (redox) regulation and base excision DNA repair, and is required for early embryonic development in mice....

Human HRD1 Promoter Carries a Functional Unfolded Protein Response Element to Which XBP1 but not ATF6 Directly Binds (2008)

Yamamoto, Keisuke, Suzuki, Natsumi, Wada, Tadashi, Okada, Tetsuya, Yoshida, Hiderou, Kaufman, Randal J., ...

Quality control of proteins in the endoplasmic reticulum (ER) is achieved by two mechanisms, the productive folding mechanism, which is assisted by a number of ER-localized molecular chaperones and...

Plasma Membrane-associated Sialidase as a Crucial Regulator of Transmembrane Signalling (2008)

Miyagi, Taeko, Wada, Tadashi, Yamaguchi, Kazunori, Hata, Keiko, Shiozaki, Kazuhiro

Mammalian sialidases, glycosidases responsible for the removal of sialic acids from glycoproteins and glycolipids, has been implicated to participate in many biological processes as well as in...

DSIF contributes to transcriptional activation by DNA-binding activators by preventing pausing during transcription elongation (2007)

Zhu, Wenyan, Wada, Tadashi, Okabe, Sachiko, Taneda, Takuya, Yamaguchi, Yuki, Handa, Hiroshi

The transcription elongation factor 5,6-dichloro-1-β-d-ribofuranosylbenzimidazole (DRB) sensitivity-inducing factor (DSIF) regulates RNA polymerase II (RNAPII) processivity by promoting, in concert...

Mutational Analysis of the Carboxyl-terminal Region of the SV40 Major Capsid Protein VP1 (2007)

Yokoyama, Naoki, Kawano, Masa-aki, Tsukamoto, Hiroko, Enomoto, Teruya, Inoue, Takamasa, Takahashi, Ryou-u, ...

Virus-like particles (VLPs), a promising next-generation drug delivery vehicle, can be formed in vitro using a recombinant viral capsid protein VP1 from SV40. Seventy-two VP1 pentamers interconnect...

Mutational analysis of the carboxyl-terminal region of the SV40 major capsid protein VP1 (2007)

Yokoyama, Naoki, Kawano, Masa-aki, Tsukamoto, Hiroko, Enomoto, Teruya, Inoue, Takamasa, Takahashi, Ryou-u, ...

Virus-like particles (VLPs), a promising next-generation drug delivery vehicle, can be formed in vitro using a recombinant viral capsid proteinVP1 from SV40. Seventy-two VP1 pentamers interconnect to...

Mutational analysis of the carboxyl-terminal region of the SV40 major capsid protein VP1 (2007)

Yokoyama, Naoki, Kawano, Masa-aki, Tsukamoto, Hiroko, Enomoto, Teruya, Inoue, Takamasa, Takahashi, Ryou-u, ...

Virus-like particles (VLPs), a promising next-generation drug delivery vehicle, can be formed in vitro using a recombinant viral capsid proteinVP1 from SV40. Seventy-two VP1 pentamers interconnect to...

Knock-down of 25 kDa subunit of cleavage factor Im in Hela cells alters alternative polyadenylation within 3'-UTRs (2006)

Kubo, Tomohiro, Wada, Tadashi, Yamaguchi, Yuki, Shimizu, Akira, Handa, Hiroshi

Alternative polyadenylation leads to mRNAs with variable 3′ ends. Since a 3′-untranslated region (3′-UTR) often contains cis elements that impact stability or localization of mRNA or...

A Rapid Purification Method for Human RNA Polymerase II by Two-Step Affinity Chromatography (2003)

Hasegawa, Jun, Endou, Masaki, Narita, Takashi, Yamada, Tomoko, Yamaguchi, Yuki, Wada, Tadashi, ...

The molecular dissection of transcription mechanisms is greatly facilitated by constructing and manipulating defined transcription systems in vitro. This approach requires highly purified...

SPT Genes: Key Players in the Regulation of Transcription, Chromatin Structure and Other Cellular Processes (2001)

Yamaguchi, Yuki, Narita, Takashi, Inukai, Naoto, Wada, Tadashi, Handa, Hiroshi

Suppressor of Ty (SPT) genes were originally identified through a genetic screen for mutations in the yeast Saccharomyces cerevisiae that restore gene expression disrupted by the insertion of the...

Purification and Characterization of a Membrane-Associated Ganglioside Sialidase from Bovine Brain (1998)

Hata, Keiko, Wada, Tadashi, Hasegawa, Akira, Kiso, Makoto, Miyagi, Taeko

A membrane-associated ganglioside-hydrolyzing sialidase was purified to apparent homogeneity from bovine brain. The enzyme was solubilized with Triton X-100 plus sodium cholate from the particulate...

A Transcription Factor with a Leucine-Zipper Motif Involved in Light-Dependent Inhibition of Expression of the puf Operon in the Photosynthetic Bacterium Rhodobacter sphaeroides (1996)

Shimada, Hiroshi, Wada, Tadashi, Handa, Hiroshi, Ohta, Hiroyuki, Mizoguchi, Hiroshi, Nishimura, Kohji, ...

In the purple nonsulfur photosynthetic bacterium Rhodobacter sphaeroides the synthesis of components of the photosystem is regulated in response to oxygen tension and light intensity. We have...

Cooperative Transcription Activation between Ad1, a CRE-Like Element, and Other Elements in the CYP11B Gene Promoter (1992)

Hashimoto, Toshihide, Morohashi, Ken-ichirou, Takayama, Koichi, Honda, Shin-Ichiro, Wada, Tadashi, Handa, Hiroshi, ...

We previously reported the presence of six different cis.-acting elements (Ad1 to Ad6) in the promoter region of the bovine CYP11B gene. Although the Ad1 site (TGACGTGA) was similar to a palindromic...

Purification of DNA-binding transcription factors by their selective adsorption on the affinity latex particles (1989)

Kawaguchi, Haruma, Asai, Akira, Ohtsuka, Yasuji, Watanabe, Hajime, Wada, Tadashi, Handa, Hiroshi

A Simple method with the use of affinity latex particles has been developed for the fast and efficient purification of sequence-specific DNA-binding proteins on the basis of their ability to...

Tat-SF1 Protein Associates with RAP30 and Human SPT5 Proteins

Kim, Jae B., Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi, Sharp, Phillip A.

The potent transactivator Tat recognizes the transactivation response RNA element (TAR) of human immunodeficiency virus type 1 and stimulates the processivity of elongation of RNA polymerase (Pol) II...

Up-regulation of plasma membrane-associated ganglioside sialidase (Neu3) in human colon cancer and its involvement in apoptosis suppression

Kakugawa, Yoichiro, Wada, Tadashi, Yamaguchi, Kazunori, Yamanami, Hideaki, Ouchi, Kiyoaki, Sato, Ikuro, ...

Human plasma membrane-associated sialidase (Neu3) is unique in specifically hydrolyzing gangliosides, thought to participate in cell differentiation and transmembrane signaling, thereby playing...

Evidence that Negative Elongation Factor Represses Transcription Elongation through Binding to a DRB Sensitivity-Inducing Factor/RNA Polymerase II Complex and RNA

Yamaguchi, Yuki, Inukai, Naoto, Narita, Takashi, Wada, Tadashi, Handa, Hiroshi

Negative elongation factor (NELF) is a human transcription factor complex that cooperates with DRB sensitivity-inducing factor (DSIF)/hSpt4-hSpt5 to repress elongation by RNA polymerase II (RNAPII)....

Human Transcription Elongation Factor NELF: Identification of Novel Subunits and Reconstitution of the Functionally Active Complex

Narita, Takashi, Yamaguchi, Yuki, Yano, Keiichi, Sugimoto, Seiji, Chanarat, Sittinan, Wada, Tadashi, ...

The multisubunit transcription elongation factor NELF (for negative elongation factor) acts together with DRB (5,6-dichloro-1-β-d-ribofuranosylbenzimidazole) sensitivity-inducing factor (DSIF)/human...

DSIF, a novel transcription elongation factor that regulates RNA polymerase II processivity, is composed of human Spt4 and Spt5 homologs

Wada, Tadashi, Takagi, Toshiyuki, Yamaguchi, Yuki, Ferdous, Anwarul, Imai, Takeshi, Hirose, Susumu, ...

We report the identification of a transcription elongation factor from HeLa cell nuclear extracts that causes pausing of RNA polymerase II (Pol II) in conjunction with the transcription inhibitor...

Evidence that Spt4, Spt5, and Spt6 control transcription elongation by RNA polymerase II in Saccharomyces cerevisiae

Hartzog, Grant A., Wada, Tadashi, Handa, Hiroshi, Winston, Fred

Previous characterization of the Saccharomyces cerevisiae Spt4, Spt5, and Spt6 proteins suggested that these proteins act as transcription factors that modify chromatin structure. In this work, we...

Human Spt6 Stimulates Transcription Elongation by RNA Polymerase II In Vitro

Endoh, Masaki, Zhu, Wenyan, Hasegawa, Jun, Watanabe, Hajime, Kim, Dong-Ki, Aida, Masatoshi, ...

Recent studies have suggested that Spt6 participates in the regulation of transcription by RNA polymerase II (RNAPII). However, its underlying mechanism remains largely unknown. One possibility,...

Bromodomain Factor 1 (Bdf1) Is Phosphorylated by Protein Kinase CK2

Sawa, Chika, Nedea, Eduard, Krogan, Nevan, Wada, Tadashi, Handa, Hiroshi, Greenblatt, Jack, ...

Bromodomain factor 1 (Bdf1) associates with Saccharomyces cerevisiae TFIID and corresponds to the C-terminal half of higher eukaryotic TAF1. It also associates with the SWR-C complex, which is...

Functional interactions of RNA-capping enzyme with factors that positively and negatively regulate promoter escape by RNA polymerase II

Mandal, Subhrangsu S., Chu, Chun, Wada, Tadashi, Handa, Hiroshi, Shatkin, Aaron J., Reinberg, Danny

Capping of the 5′ ends of nascent RNA polymerase II transcripts is the first pre-mRNA processing event in all eukaryotic cells. Capping enzyme (CE) is recruited to transcription complexes soon...

NF-Y Is Essential for the Recruitment of RNA Polymerase II and Inducible Transcription of Several CCAAT Box-Containing Genes

Kabe, Yasuaki, Yamada, Joe, Uga, Hitoshi, Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi

Osteoclast differentiation factor (ODF)/receptor activator of NF-κB ligand is essential for inducing the differentiation of mature osteoclasts. We find that nuclear factor Y (NF-Y) binds to the...

Evidence for mitochondrial localization of a novel human sialidase (NEU4)

Yamaguchi, Kazunori, Hata, Keiko, Koseki, Koichi, Shiozaki, Kazuhiro, Akita, Hirotoshi, Wada, Tadashi, ...

Based on the human cDNA sequence predicted to represent the NEU4 sialidase gene in public databases, a cDNA covering the entire coding sequence was isolated from human brain and expressed in...

Infertility with Defective Spermiogenesis in Mice Lacking AF5q31, the Target of Chromosomal Translocation in Human Infant Leukemia

Urano, Atsushi, Endoh, Masaki, Wada, Tadashi, Morikawa, Yoshihiro, Itoh, Miyuki, Kataoka, Yuki, ...

AF5q31 (also called MCEF) was identified by its involvement in chromosomal translocation with the gene MLL (mixed lineage leukemia), which is associated with infant acute lymphoblastic leukemia....

Transcriptional Pausing Caused by NELF Plays a Dual Role in Regulating Immediate-Early Expression of the junB Gene

Aida, Masatoshi, Chen, Yexi, Nakajima, Koichi, Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi

Human 5,6-dichloro-1-β-d-ribofuranosylbenzimidazole sensitivity-inducing factor (DSIF) and negative elongation factor (NELF) negatively regulate transcription elongation by RNA polymerase II...

Tat-SF1 Protein Associates with RAP30 and Human SPT5 Proteins

Kim, Jae B., Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi, Sharp, Phillip A.

The potent transactivator Tat recognizes the transactivation response RNA element (TAR) of human immunodeficiency virus type 1 and stimulates the processivity of elongation of RNA polymerase (Pol) II...

Up-regulation of plasma membrane-associated ganglioside sialidase (Neu3) in human colon cancer and its involvement in apoptosis suppression

Kakugawa, Yoichiro, Wada, Tadashi, Yamaguchi, Kazunori, Yamanami, Hideaki, Ouchi, Kiyoaki, Sato, Ikuro, ...

Human plasma membrane-associated sialidase (Neu3) is unique in specifically hydrolyzing gangliosides, thought to participate in cell differentiation and transmembrane signaling, thereby playing...

Evidence that Negative Elongation Factor Represses Transcription Elongation through Binding to a DRB Sensitivity-Inducing Factor/RNA Polymerase II Complex and RNA

Yamaguchi, Yuki, Inukai, Naoto, Narita, Takashi, Wada, Tadashi, Handa, Hiroshi

Negative elongation factor (NELF) is a human transcription factor complex that cooperates with DRB sensitivity-inducing factor (DSIF)/hSpt4-hSpt5 to repress elongation by RNA polymerase II (RNAPII)....

Human Transcription Elongation Factor NELF: Identification of Novel Subunits and Reconstitution of the Functionally Active Complex

Narita, Takashi, Yamaguchi, Yuki, Yano, Keiichi, Sugimoto, Seiji, Chanarat, Sittinan, Wada, Tadashi, ...

The multisubunit transcription elongation factor NELF (for negative elongation factor) acts together with DRB (5,6-dichloro-1-β-d-ribofuranosylbenzimidazole) sensitivity-inducing factor (DSIF)/human...

DSIF, a novel transcription elongation factor that regulates RNA polymerase II processivity, is composed of human Spt4 and Spt5 homologs

Wada, Tadashi, Takagi, Toshiyuki, Yamaguchi, Yuki, Ferdous, Anwarul, Imai, Takeshi, Hirose, Susumu, ...

We report the identification of a transcription elongation factor from HeLa cell nuclear extracts that causes pausing of RNA polymerase II (Pol II) in conjunction with the transcription inhibitor...

Evidence that Spt4, Spt5, and Spt6 control transcription elongation by RNA polymerase II in Saccharomyces cerevisiae

Hartzog, Grant A., Wada, Tadashi, Handa, Hiroshi, Winston, Fred

Previous characterization of the Saccharomyces cerevisiae Spt4, Spt5, and Spt6 proteins suggested that these proteins act as transcription factors that modify chromatin structure. In this work, we...

Human Spt6 Stimulates Transcription Elongation by RNA Polymerase II In Vitro

Endoh, Masaki, Zhu, Wenyan, Hasegawa, Jun, Watanabe, Hajime, Kim, Dong-Ki, Aida, Masatoshi, ...

Recent studies have suggested that Spt6 participates in the regulation of transcription by RNA polymerase II (RNAPII). However, its underlying mechanism remains largely unknown. One possibility,...

Bromodomain Factor 1 (Bdf1) Is Phosphorylated by Protein Kinase CK2

Sawa, Chika, Nedea, Eduard, Krogan, Nevan, Wada, Tadashi, Handa, Hiroshi, Greenblatt, Jack, ...

Bromodomain factor 1 (Bdf1) associates with Saccharomyces cerevisiae TFIID and corresponds to the C-terminal half of higher eukaryotic TAF1. It also associates with the SWR-C complex, which is...

Functional interactions of RNA-capping enzyme with factors that positively and negatively regulate promoter escape by RNA polymerase II

Mandal, Subhrangsu S., Chu, Chun, Wada, Tadashi, Handa, Hiroshi, Shatkin, Aaron J., Reinberg, Danny

Capping of the 5′ ends of nascent RNA polymerase II transcripts is the first pre-mRNA processing event in all eukaryotic cells. Capping enzyme (CE) is recruited to transcription complexes soon...

NF-Y Is Essential for the Recruitment of RNA Polymerase II and Inducible Transcription of Several CCAAT Box-Containing Genes

Kabe, Yasuaki, Yamada, Joe, Uga, Hitoshi, Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi

Osteoclast differentiation factor (ODF)/receptor activator of NF-κB ligand is essential for inducing the differentiation of mature osteoclasts. We find that nuclear factor Y (NF-Y) binds to the...

Evidence for mitochondrial localization of a novel human sialidase (NEU4)

Yamaguchi, Kazunori, Hata, Keiko, Koseki, Koichi, Shiozaki, Kazuhiro, Akita, Hirotoshi, Wada, Tadashi, ...

Based on the human cDNA sequence predicted to represent the NEU4 sialidase gene in public databases, a cDNA covering the entire coding sequence was isolated from human brain and expressed in...

Infertility with Defective Spermiogenesis in Mice Lacking AF5q31, the Target of Chromosomal Translocation in Human Infant Leukemia

Urano, Atsushi, Endoh, Masaki, Wada, Tadashi, Morikawa, Yoshihiro, Itoh, Miyuki, Kataoka, Yuki, ...

AF5q31 (also called MCEF) was identified by its involvement in chromosomal translocation with the gene MLL (mixed lineage leukemia), which is associated with infant acute lymphoblastic leukemia....

Transcriptional Pausing Caused by NELF Plays a Dual Role in Regulating Immediate-Early Expression of the junB Gene

Aida, Masatoshi, Chen, Yexi, Nakajima, Koichi, Yamaguchi, Yuki, Wada, Tadashi, Handa, Hiroshi

Human 5,6-dichloro-1-β-d-ribofuranosylbenzimidazole sensitivity-inducing factor (DSIF) and negative elongation factor (NELF) negatively regulate transcription elongation by RNA polymerase II...

Knock-down of 25 kDa subunit of cleavage factor Im in Hela cells alters alternative polyadenylation within 3′-UTRs

Kubo, Tomohiro, Wada, Tadashi, Yamaguchi, Yuki, Shimizu, Akira, Handa, Hiroshi

Alternative polyadenylation leads to mRNAs with variable 3′ ends. Since a 3′-untranslated region (3′-UTR) often contains cis elements that impact stability or localization of mRNA or...

Adeno-Associated Virus Site-Specific Integration Is Regulated by TRP-185▿

Yamamoto, Noriaki, Suzuki, Masato, Kawano, Masa-aki, Inoue, Takamasa, Takahashi, Ryou-u, Tsukamoto, Hiroko, ...

Adeno-associated virus (AAV) integrates site specifically into the AAVS1 locus on human chromosome 19. Although recruitment of the AAV nonstructural protein Rep78/68 to the Rep binding site (RBS) on...

DSIF contributes to transcriptional activation by DNA-binding activators by preventing pausing during transcription elongation

Zhu, Wenyan, Wada, Tadashi, Okabe, Sachiko, Taneda, Takuya, Yamaguchi, Yuki, Handa, Hiroshi

The transcription elongation factor 5,6-dichloro-1-β-d-ribofuranosylbenzimidazole (DRB) sensitivity-inducing factor (DSIF) regulates RNA polymerase II (RNAPII) processivity by promoting, in concert...

Drosophila Blimp-1 Is a Transient Transcriptional Repressor That Controls Timing of the Ecdysone-Induced Developmental Pathway▿

Agawa, Yasuo, Sarhan, Moustafa, Kageyama, Yuji, Akagi, Kazutaka, Takai, Masayoshi, Hashiyama, Kazuya, ...

Regulatory mechanisms controlling the timing of developmental events are crucial for proper development to occur. ftz-f1 is expressed in a temporally regulated manner following pulses of ecdysteroid...

A new APE1/Ref-1-dependent pathway leading to reduction of NF-κB and AP-1, and activation of their DNA-binding activity

Ando, Kozue, Hirao, Satoshi, Kabe, Yasuaki, Ogura, Yuji, Sato, Iwao, Yamaguchi, Yuki, ...

APE1/Ref-1 is thought to be a multifunctional protein involved in reduction–oxidation (redox) regulation and base excision DNA repair, and is required for early embryonic development in mice....