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研究者リスト >> 藤澤正彦
 

藤澤正彦

 
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研究者氏名藤澤正彦

論文

 
Maruyama M, Fujisawa M, Yokosuka M, Saito TR, Hayama SI, Akimoto T, Hakamata Y
Experimental animals   65(4) 447-454   2016年11月   [査読有り]
Yasuaki Tsuchida, Yasuaki Tsuchida, Fumihiko Hatao, Masahiko Fujisawa, Takahisa Murata, Michio Kaminishi, Yasuyuki Seto, Masatoshi Hori, Hiroshi Ozaki
Gut   60 638-647   2011年5月
Background: The main symptom of postoperative ileus (POI) is an intestinal motility disorder in which monocytes/macrophages and neutrophils play crucial roles. Prokinetic 5-hydroxytryptamine 4 receptor (5-HT4R) agonists and dopamine receptor antag...
Masahiko Fujisawa, Takahisa Murata, Masatoshi Hori, Hiroshi Ozaki
Journal of Gastroenterology   45 179-186   2010年2月
Background: The cholinergic anti-inflammatory pathway is a novel physiological mechanism found at various locations in the body where the nicotinic regulation of inflammatory cells through the autonomic nervous system is involved. In this study, w...
Takashi Ohama, Masatoshi Hori, Masahiko Fujisawa, Masaharu Kiyosue, Masaki Hashimoto, Yuka Ikenoue, Yoshio Jinno, Hiroto Miwa, Takayuki Matsumoto, Takahisa Murata, Hiroshi Ozaki
Journal of Gastroenterology   43 858-865   2008年11月
Background: Chronic intestinal inflammation is frequently accompanied by motility disorders. We previously reported that proinflammatory cytokines, such as tumor necrosis factor α and interleukin (IL)-1β downregulate CPI-17, an endogenous inhibito...
M. S. Islam, T. Murata, M. Fujisawa, R. Nagasaka, H. Ushio, A. M. Bari, M. Hori, H. Ozaki, H. Ozaki
British Journal of Pharmacology   154 812-824   2008年6月
Background and purpose: We have recently reported that phytosteryl ferulates isolated from rice bran inhibit nuclear factor-κB (NF-κB) activity in macrophages. In the present study, we investigated the effect of γ-oryzanol (γ-ORZ), a mixture of ph...
Z. Zhao, Z. Zhao, H. Satsu, M. Fujisawa, M. Hori, Y. Ishimoto, M. Totsuka, A. Nambu, S. Kakuta, H. Ozaki, M. Shimizu
Amino Acids   35 217-224   2008年6月
The effects of dietary taurine on the experimental colitis induced by dextran sulfate sodium (DSS) in mice were evaluated. C57BL/6 female mice were given 3% DSS in drinking water for 5 d to induce acute colitis. Taurine at 2% was added to the drin...
Takuo Mizukami, Takuo Mizukami, Yoshiakira Kanai, Masahiko Fujisawa, Masami Kanai-Azuma, Masamichi Kurohmaru, Yoshihiro Hayashi
Molecular Reproduction and Development   75 1002-1010   2008年6月
In mammals, Sry, Sox9, and M33 act as regulators at a chromatin level and promote the maturation of embryonic gonads into testes. Recently, it was shown that transcriptional regulation by DNA methylation plays crucial roles in gene expression duri...
Kazuya Kinoshita, Kazuhide Horiguchi, Masahiko Fujisawa, Fuyu Kobirumaki, Shigeru Yamato, Masatoshi Hori, Hiroshi Ozaki
Histochemistry and Cell Biology   127 41-53   2007年1月
Resident macrophages are distributed in the network of interstitial cells of Cajal (ICC) and the myenteric nerve within the myenteric plexus. We evaluated changes in chemoattractant protein mRNA expression in macrophages and neutrophils, the ICC, ...
M. Kiyosue, M. Fujisawa, K. Kinoshita, M. Hori, H. Ozaki, H. Ozaki
Neurogastroenterology and Motility   18 1019-1030   2006年11月
We examined the time-dependent changes in the immunoreactivity of the smooth muscle region and the accompanying motility disorder in a hapten-induced rat model of colitis. Histological analysis and myeloperoxidase (MPO) activity indicated that inf...
Masahiko Fujisawa, Masaharu Kiyosue, Masatoshi Hori, Hiroshi Ozaki, Hiroshi Ozaki
Journal of Veterinary Medical Science   68 701-708   2006年8月
Card15/Nod2 has been suggested to be an intracellular pathogen-associated molecular pattern (PAMPs) recognition molecule, which contains a leucine-rich repeat region similar to the Toll-like receptors (TLRs). Card15/Nod2 gene variants play an impo...
K. Kinoshita, M. Hori, M. Fujisawa, K. Sato, T. Ohama, E. Momotani, H. Ozaki, H. Ozaki
Neurogastroenterology and Motility   18 578-588   2006年7月
Macroscopic and histological analysis revealed that the colonic inflammation induced by 2,4,6-trinitrobenzenesulphonic acid (TNBS) was of lower grade in tumour necrosis factor-α (TNF-α)-/- mice than in wild-type mice. Myeloperoxidase activity, an ...
Tomohide Kidokoro, Shogo Matoba, Ryuji Hiramatsu, Masahiko Fujisawa, Masami Kanai-Azuma, Choji Taya, Masamichi Kurohmaru, Hayato Kawakami, Yoshihiro Hayashi, Yoshiakira Kanai, Hiromichi Yonekawa
Developmental Biology   278 511-525   2005年2月
Testis induction is associated with gonadal Sry and Sox9 expression in mammals. This study investigated whether Sry expression directly induces male-specific Sox9 activation during early phases of testis differentiation. We have established an XX ...
Masahiko Fujisawa, Yoshiakira Kanai, Sang Yoon Nam, Seishi Maeda, Nobuaki Nakamuta, Kiyoshi Kano, Masamichi Kurohmaru, Yoshihiro Hayashi
Journal of Reproduction and Development   50 565-570   2004年12月
The Prnp (prion protein) gene, which encodes a soluble protein anchored to the cell surface by glycosylphosphatidylinositol (GPI), might be involved in cell-to-cell interaction. The expression of Prnp is strongly observed not only in the brain, bu...
Takuo Mizukami, Masahiko Fujisawa, Yoshiakira Kanai, Masamichi Kurohmaru, Yoshihiro Hayashi
Journal of Reproduction and Development   50 227-235   2004年12月
Sry, Sox9 and M33 are thought to act as architectural transcription factors or as a chromatin regulator in gonadal development. However, the direct relationship between chromatin structure and sex determination has not yet been revealed. To clarif...
Takashi Noma, Yoshiakira Kanai, Masami Kanai-Azuma, Maki Ishii, Masahiko Fujisawa, Masamichi Kurohmaru, Hayato Kawakami, Stephen A. Wood, Stephen A. Wood, Yoshihiro Hayashi
Mechanisms of Development   119    2002年12月
During the Drosophila oogenic processes, Fat facets (Faf), an ubiquitin-specific protease essential for normal development of oocyte and eye, becomes localized at the posterior pole and is incorporated into the pole cells. This is dependent on Osk...
Takashi Noma, Yoshiakira Kanai, Masami Kanai-Azuma, Maki Ishii, Masahiko Fujisawa, Masamichi Kurohmaru, Hayato Kawakami, Stephen A. Wood, Stephen A. Wood, Yoshihiro Hayashi
Gene Expression Patterns   2 87-91   2002年11月
During the Drosophila oogenic processes, Fat facets (Faf), an ubiquitin-specific protease essential for normal development of oocyte and eye, becomes localized at the posterior pole and is incorporated into the pole cells. This is dependent on Osk...
H. Endo, H. Endo, T. Morigaki, M. Fujisawa, D. Yamagiwa, M. Sasaki, M. Sasaki, J. Kimura, J. Kimura
Anatomia, Histologia, Embryologia   28 303-305   1999年12月
The intestinal tract of the white rhinoceros (Ceratotherium simum) was dissected. We observed a simple structure for the small intestine, duodenum, jejunum and ileum, and a well-developed large intestine, cecum, colon and rectus. The cecum consist...
K. Kano, A. Notani, S. Y. Nam, M. Fujisawa, M. Kurohmaru, Y. Hayashi
The Journal of veterinary medical science / the Japanese Society of Veterinary Science   61 213-219   1999年3月
Following stimulation by the transforming growth factor-beta (TGF-beta) family in the cytoplasm, the Smad family is phosphorylated and translocated to the nucleus and activates several gene transcriptions. In this study, the mouse Smad3 cDNA inclu...
H. Endo, Manglai, M. Fujisawa, M. Kurohmaru, Y. Hayashi
Anatomia, Histologia, Embryologia   27 327-330   1998年12月
The nasopharynx and eustachian tube (auditory tube) were morphologically examined in the white rhinoceros. The narrow nasopharynx cavity was enlarged dorsoventrally. The most lateral part of both sides sharply rises in a dorsal direction and the v...
Sang Yoon Nam, Seishi Maeda, Masahiko Fujisawa, Masamichi Kurohmaru, Yoshihiro Hayashi
Journal of Veterinary Medical Science   60 1175-1179   1998年11月
Mitochondnal capsule selenoprotein (MCS) has been known as a structural protein of the mitochondrial sheath in spermatozoa. In the present study, to determine the expression pattern of MCS mRNA in the hamster testis. northern blot and in situ hybr...
Sang Yoon Nam, Seishi Maeda, Masahiko Fujisawa, Masamichi Kurohmaru, Yoshihiro Hayashi
Journal of Veterinary Medical Science   60 1113-1118   1998年10月
Mitochondrial capsule selenoprotein (MCS) has been known as a structural protein of the mitochondrial sheath in spermatozoa. In the present study, a full-length cDNA encoding the MCS was first isolated from the testes of 10-week-old golden hamster...
Seishi Maeda, Sang Yoon Nam, Masahiko Fujisawa, Nobuaki Nakamuta, Kenji Ogawa, Masamichi Kurohmaru, Yoshihiro Hayashi
Cell Structure and Function   23 169-178   1998年6月
We obtained three kinds of novel cytoplasmic dynein light-intermediate chain (LIC) isoforms from rat testis and brain by reverse transcription polymerase chain reaction (RT-PCR). The primers for RT-PCR were designed according to LIC-2 (LIC 53/55) ...
Sang Yoon Nam, Masahiko Fujisawa, Jong Soo Kim, Masamichi Kurohmaru, Yoshihiro Hayashi
Biology of Reproduction   58 1272-1276   1998年5月
To determine the expression pattern of phospholipid hydroperoxide glutathione peroxidase (PHGPx) mRNA in testes, Northern (3-, 8-, 40-, and 80- wk-old mice) and in situ (8-wk-old mice) hybridization analyses using digoxigenin-labeled RNA probes fo...
Seishi Maeda, Seishi Maeda, Sang Yoon Nam, Masahiko Fujisawa, Nobuaki Nakamuta, Kenji Ogawa, Masamichi Kurohmaru, Yoshihiro Hayashi
Cell Structure and Function   23 9-15   1998年2月
Expression of cytoplasmic dynein light-intermediate chain mRNA in the rat testis was examined using in situ hybridization. The ribonucleotide probe, referred to the 5' end of open reading frame (6-515 nucleotids) of cytoplasmic dynein light-interm...
Hideki Endo, Daishiro Yamagiwa, Masahiko Fujisawa, Junpei Kimura, Masamichi Kurohmaru, Yoshihiro Hayashi
Annals of Anatomy   179 481-485   1997年1月
The muscular and skeletal systems of the long neck were morphologically examined in order to clarify their modification and their functional significance in the giraffe (Giraffa camelopardalis). The longissimus, the thoracic and cervical, spinalis...

Misc

 
長田雅宏, 松原孝子, 藤澤正彦, 青木博史, 左向敏紀, 神谷新司, 吉村格, 望月眞理子
関東畜産学会報   65(2) 45-50   2015年3月
大坂優衣, 寺谷工, 丸山基世, 藤澤正彦, 袴田陽二
日本獣医生命科学大学研究報告(CD-ROM)   (63) 133   2014年12月
藤澤正彦
日本獣医生命科学大学研究報告(CD-ROM)   (61) 179   2012年12月
丸山基世, 五十嵐遥, 藤澤正彦, 吉本真衣, 高橋香織, 野中菜々美, 平井翠, 蛭田那津子, 中垣和英, 羽山伸一, 福田孝一, 三好一郎, 田中実, 袴田陽二
日本獣医生命科学大学研究報告(CD-ROM)   (60) 239   2011年12月
丸山 基世, 藤澤 正彦, 中垣 和英, 羽山 伸一, 福田 孝一, 三好 一郎, 田中 実, 袴田 陽二
日本獣医生命科学大学研究報告   (60) 58-66   2011年12月
今回我々は,医学生物学研究の研究用ツールの開発を目指して,Green Fluorescent Protein(GFP)トランスジェニック(Tg)マウスの作製を行った。BDF+雌マウスから採取した,/*個の受精卵にCAGプロモーターの下流にGFP遺伝子を連結した導入遺伝子をマイクロインジェクションし,+匹のGFP Tgマウスの作出に成功した。発生の各時期におけるGFP発現プロファイルを蛍光顕微鏡,非侵襲的なin vivo imaging system(IVIS)およびフローサイトメトリーを用...

講演・口頭発表等

 
水上拓郎, 金井克晃, 金井正美, 石井万幾, 城所知秀, 平松竜司, 藤沢正彦, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   2002年3月1日   
石井万幾, 金井克晃, 金井正美, 田島陽一, 野馬隆志, 藤沢正彦, 九郎丸正道, 佐内豊, 林良博
日本獣医学会学術集会講演要旨集   2002年3月1日   
藤沢正彦, 城所知秀, 金井克晃, 金井正美, 水上拓郎, 石井万幾, 多屋長治, 米川博通, 林良博
日本獣医学会学術集会講演要旨集   2002年3月1日   
石井万幾, 金井克晃, 金井正美, 田島陽一, 平松竜司, 野馬隆志, 藤沢正彦, 佐内豊, 林良博
日本発生生物学会大会発表要旨集   2002年   
野馬隆志, 金井克晃, 金井正美, 水上拓郎, 藤沢正彦, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   2001年9月7日   
水上拓郎, 金井克晃, 藤沢正彦, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   2001年3月5日   
中村龍介, 水上拓郎, 藤沢正彦, 金井克晃, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   2001年3月5日   
武木田薫, 菊池裕, 山崎壮, 藤沢正彦, 品川森一, 高鳥浩介, 谷村顕雄, 沢田純一
日本薬学会年会要旨集   2000年3月5日   
藤沢正彦, 中村紳一郎, 窪崎敦隆, 小野寺節, 吉川泰弘, 金井克晃, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   1999年9月1日   
藤沢正彦, 南相允, 中牟田信明, 前田誠司, 九郎丸正道, 林良博
日本獣医学会学術集会講演要旨集   1998年8月   

所属学協会

 
日本再生医療学会 , 日本潰瘍学会 , 日本実験動物学会 , 日本獣医学会