ITOH Naoki 伊藤直樹

Researcher Number	60193504
Other IDs
External Links
Affiliation (based on the past Project Information) *help	2007: Sapporo Medical University, 医学部, 准教授 2000 – 2005: Sapporo Medical University School of Medicine, Associate Professor, 医学部, 助教授 1997 – 1999: Sapporo Medical University School of Medicine Assistant Professor, 医学部, 講師 1994 – 1995: Sapporo Medical University School of Medicine Assistant Professor, 医学部, 講師 1993: 札幌医科大学, 医学部, 助手 1990 – 1991: 札幌医科大学, 医学部, 助手 1988: Sapporo Medical College,Instructor, 医学部, 助手
Review Section/Research Field	Principal Investigator Urology / Urology Except Principal Investigator Urology / Urology
Keywords	Principal Investigator IL-8 / apoptosis / spermatogenesis / transferrin / estradiol / testosterone / castration / aging / neurotrophic factor / erectile dysfunction … More / nerve injury / cavernous nerve / nerve regeneration / GFRa2 / Neurturin / 勃起障害 / 海面体神経 / 除睾 / 加齢 / 神経栄養因子 / 勃起渉外 / 神経損傷 / 海綿体神経 / 神経再生 / Gatifloxacin(GFLX) / chemokine / inflammatory cell / prostate / gatifloxacin (GFLX) / ケモカイン / 炎症細胞 / 前立腺 / sperm motility / sperm / male infertility / Calmegin / PENTRAK / Acrobeads test / PENETRAK / 精子運動率 / 精子数 / 男子不妊症 / 骨粗しょう症 / 前立腺癌 / メタボリック症候群 / 男性ホルモン / 老化 / LOH / アンドロロジー / insulin / epidermal growth factor / Sertoli cell / IGF-1 / idebenone / mecobalamin / T ratio / E_2 / 精巣機能 … More Except Principal Investigator TGF-beta / Spermatogenesis / testosterone / bioavailable testosterone / AMS rating scale / VEGF / Genestein / Myofibroblast / 前立腺 / 前立腺肥大症 / Apoptosis / PCNA / 男子不妊症 / Testosterone / 腎細胞癌 / Transferrin / T ratio / E2 / Secretion capacity / Male infertility / LH / inhibin / transferrin / T比 / E_2 / spermatigenesis / E_2分泌予備能 / free testosterone / aging society / andropause / 総testosterone / Bioavailable testosterone / 遊離testosterone / 高齢化社会 / 男性更年期障害 / PPARγ / RCC / PPAPγ / ゲニステイン / 神経内分泌細胞癌アログラフト / トランスジェニックマウス / LBP-Tag / 前立腺癌 / アポトーシス / bFGF / 血管新生 / ピオグリタゾン / 15d-PG2 / PPAR γ / PPAR-γ / α1 receptor / TGF-β / Smooth muscle / Prostatic stroma / Benign prostatic hyperplasia / 筋線維芽細胞 / alpha-1 receptor / 平滑筋 / α1-receptor subtype / α1-receptor / TGF-βs / 平滑筋細胞 / 筋繊維芽細胞 / growth factor / prostatic smooth muscle / BPH / Senility / contractile response / in vitro culture / smooth muscle cell / aging prostate / pressure-flow study / FGF / EGF / 前立腺平滑筋 / 成長因子 / 老化 / Spermatogonia / Male Infertility / Apopposis / 精巣 / apoptosis / 造精機能障害 / TUNEL法 / DNA合成能 / 精祖細胞 / 精子発生能不全 / Brain dopamine / Sexual behavior / Aged rats / 脳内アセチルコリン / 脳内アミン / 脳機能改善薬 / HRT / 性中枢 / serotonin / dopamin / 脳内ドーパミン / 性行動 / 高齢ラット / cytokines / adhesion molecules / type IV collagenolysis / tetracyline / metastasis prevention / renal cell carcinoma / type IV1111111111111111111 collagenolysis / 転移 / 浸潤 / VLA-4 / VCAM-1 / in vitro浸潤能 / 血管内皮細胞 / 血管新生阻害 / 肺転移 / マウス腎腺癌 / サイトカイン / 接着分子 / type IV collagen分解能 / tetracycline / 転移予防 / decrease of dopamine level in brain / penile neurological disorder / penile vascular disorder / unidentified complaints syndrome / male "climacterium" / ド-パミン / ストレス / 性機能 / 脳内アセチ-ルコリン / 脳内ド-パミン / 腎障害性性機能低下 / 糖尿病性性機能低下 / 加齢性性機能低下 / 札幌大式性機能質問調査用紙 / 性は脳なり / 脳内ド-パミン低下 / 陰茎神経系障害 / 陰茎血管系障害 / 不定愁訴症候群 / 男子更年期 Less

Clinical study on the effect of androgen to organs other genitalisPrincipal Investigator
- Principal Investigator
  
  KOBAYASHI Ko, 伊藤直樹
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Study on autonomous nerve regeneration-Experimental approach to regeneration of cavernous nervePrincipal Investigator
- Principal Investigator
  
  ITOH Naoki
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Prevalence of symptoms of andropause in Japanese healthy men
- Principal Investigator
  
  TAKAHASHI Atsushi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
The relationship of the inflammatory infiltrating cell in prostate grand and chemokinePrincipal Investigator
- Principal Investigator
  
  ITOH Naoki
- Project Period (FY)
  2001 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Mechanism of acquiring angiogenesis apoptosis in urogenital cancer
- Principal Investigator
  
  TSUKAMOTO Taiji
- Project Period (FY)
  2000 – 2002
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Study on the regulation mechanism of proliferation and differentiation of human prostatic stromal cells: Effects of TGF-βs on human prostatic myofibroblast and α-adrenergic receptor.
- Principal Investigator
  
  TAKAHASHI Satoshi, KUNISHIMA Yasuharu, SASAMURA Hiroto
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Clinical and genetic analysis of the causes of male infertilityPrincipal Investigator
- Principal Investigator
  
  ITOH Naoki
- Project Period (FY)
  1998 – 2000
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Senile changes of human prostate-developmental mechanisms of benign prostatic hyperplasia and senile changes in smooth muscle cells in the prostate
- Principal Investigator
  
  TSUKAMOTO Taiji
- Project Period (FY)
  1996 – 1998
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University School of Medicine
Cell Kinetics of Spermatogonia in the Testis with Hypospermatogenesis
- Principal Investigator
  
  HORITA Hiroki, 三熊直人
- Project Period (FY)
  1995 – 1997
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University School of Medicine
精巣内細胞機能調節機構に関する研究-Leydig細胞性es tradiolの影響について-Principal Investigator
- Principal Investigator
  
  伊藤直樹
- Project Period (FY)
  1994
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
精巣内高estradiol:testosterone比環境中精子発生能障害Principal Investigator
- Principal Investigator
  
  伊藤直樹
- Project Period (FY)
  1993
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University
Role of central neurons system in hypothalamus on regulation of copulatory behavior in male rats.
- Principal Investigator
  
  SATO Yoshikazu
- Project Period (FY)
  1993 – 1995
- Research Category
  
  Grant-in-Aid for General Scientific Research (C)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University School of Medicine
Study on treatment for prevention of metastasis in renal cell carcinoma
- Principal Investigator
  
  TSUKAMOTO Taiji
- Project Period (FY)
  1992 – 1994
- Research Category
  
  Grant-in-Aid for General Scientific Research (B)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical University School of Medicine
Study of Sexual Function in Middle High Aged Male
- Principal Investigator
  
  KUMAMOTO Yoshiaki
- Project Period (FY)
  1990 – 1991
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical College
Studies on secretion capacity of testicular estrogen in male infertility - Standardization of treatment modalities for male infertility -
- Principal Investigator
  
  KUMAMOTO Yoshiaki
- Project Period (FY)
  1987 – 1988
- Research Category
  
  Grant-in-Aid for General Scientific Research (A)
- Research Field
  
  Urology
- Research Institution
  Sapporo Medical College

All 2008 2007 2006 2005 2004

All Journal Article

[Journal Article] The aging males' symptoms scale for Japanese men : Reliability and applicability of the Japanese version2008
- Author(s)
  Kobayashi K, Hashimoto K, Kato R, Tanaka T, Hirose T, Masumori N, Itoh N, Mori M, Tsukamoto T
- Journal Title
  
  International Journal of Impotence Research Vol.20
  
  Pages: 544-548
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19591882
[Journal Article] Inhibition of seminal emission is the main cause of anejaculation induced by a new highly selective α1A-blocker in normal volunteers2008
- Author(s)
  Kobayashi K, Masumori N, Hisasue S, Kato R, Hashimoto K, Itoh N, Tsukamoto T
- Journal Title
  
  The Journal of Sexual Medicine vol.5
  
  Pages: 2185-2190
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19591882
[Journal Article] 男性更年期の診断2007
- Author(s)
  伊藤直樹
- Journal Title
  
  臨床泌尿器科 61
  
  Pages: 35-39
- Data Source
  KAKENHI-PROJECT-19591882
[Journal Article] LOH(late-onset hypogonadism : 男性更年期障害)2006
- Author(s)
  伊藤直樹
- Journal Title
  
  日本臨床 64(増4)
  
  Pages: 499-503
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Age related alteration of neurturin receptor GFRa2 and nNOS in pelvic ganglia2006
- Author(s)
  Hisasue S, Kato R, Suetomi S, Kato K, Suzuki K, Kobayashi K, Itoh N, Kiyama H, Tsukamoto T
- Journal Title
  
  Neurobiol Aging (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591605
[Journal Article] テストステロン2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Medicina 42
  
  Pages: 349-350
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性性腺機能検査2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Medicina 42
  
  Pages: 1178-1179
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] LOH (late-onset hypogonadism)2005
- Author(s)
  Naoki Itoh
- Journal Title
  
  Nipponrinsho 64(Suppl 4)
  
  Pages: 499-503
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Testosterone2005
- Author(s)
  Naoki Itoh
- Journal Title
  
  Medicina 42(12)
  
  Pages: 349-350
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] General concept of andropause2005
- Author(s)
  Naoki Itoh
- Journal Title
  
  Pharma Media 23(5)
  
  Pages: 17-20
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害の概念と社会的問題2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Pharma Media 23
  
  Pages: 17-20
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害の概念と社会的問題2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Pharma Media 23
  
  Pages: 17-20
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] テストステロン2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Medicina 12
  
  Pages: 349-350
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性不妊症診療の基本2005
- Author(s)
  伊藤直樹
- Journal Title
  
  Urological View 3
  
  Pages: 52-57
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害で用いる質問紙:その有用性と限界2004
- Author(s)
  伊藤直樹
- Journal Title
  
  Urology View 2・1
  
  Pages: 56-62
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害で用いる質問紙 : その有用性と限界2004
- Author(s)
  伊藤直樹
- Journal Title
  
  Urology View 2
  
  Pages: 56-62
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Androgen replacement therapy2004
- Author(s)
  Naoki Itoh
- Journal Title
  
  Geriatric Medicine 42
  
  Pages: 1151-1156
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害の診断基準と治療のあり方:本邦と海外2004
- Author(s)
  伊藤直樹
- Journal Title
  
  泌尿器外科 17・9
  
  Pages: 1018-1021
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Idiopathic stuttering priapism : Recovery of detumescence mechanism with temporal use of antiandrogen2004
- Author(s)
  Yamashita N, Hisasue S, Kato R, Masumori N, Takahashi A, Itoh N, Tsukamoto T
- Journal Title
  
  Urology 63
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591605
[Journal Article] 男性更年期障害に対する男性ホルモン補充療法2004
- Author(s)
  伊藤直樹
- Journal Title
  
  Geriatric Medicine 42・9
  
  Pages: 1151-1156
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害に対する男性ホルモン補充療法2004
- Author(s)
  伊藤直樹
- Journal Title
  
  Geriatric Medicine 42
  
  Pages: 1151-1156
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Erectile function following external beam radiotherapy for clinically organ-confined or locally advanced prostate cancer2004
- Author(s)
  Hisasue S, Kato R, Takahashi A, Masumori N, Itoh N, Miyao N, Tsukamoto T
- Journal Title
  
  Jpn J Clin Oncol 34
  
  Pages: 269-273
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591605
[Journal Article] Androgen replacement therapy of the hypogonadal men in Japan and other countries2004
- Author(s)
  Naoki Itoh
- Journal Title
  
  Japanese Journal of Urological Surgery 17(9)
  
  Pages: 1018-1021
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] 男性更年期障害の診断基準と治療のあり方 : 本邦と海外2004
- Author(s)
  伊藤直樹
- Journal Title
  
  泌尿器外科 17
  
  Pages: 1018-1021
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Questionnaires for the diagnosis of andropause2004
- Author(s)
  Naoki Itoh
- Journal Title
  
  Urology View 2(1)
  
  Pages: 56-62
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] テストステロン2004
- Author(s)
  伊藤直樹
- Journal Title
  
  内科 93・6
  
  Pages: 1376-1376
- Data Source
  KAKENHI-PROJECT-16591607
[Journal Article] Erosin of an inflatable penile prosthesis due to autoinflation2004
- Author(s)
  Kobayashi K, Hisasue S, Shimizu T, Itoh N, Tsukamoto T
- Journal Title
  
  Acta Urol Jpn 50
  
  Pages: 515-517
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16591605

1. TSUKAMOTO Taiji (50112454)

# of Collaborated Projects: 7 results

# of Collaborated Products: 4 results
2. MASUMORI Naoya (20295356)

# of Collaborated Projects: 6 results

# of Collaborated Products: 2 results
3. KIKUMA Naohito (30190614)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
4. TAKAHASHI Satoshi (30332919)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. TAKAHASHI Atsushi (20274946)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
6. KOBAYASHI Ko (30404669)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
7. SATOH Yoshikazu (50235420)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
8. KUMAMOTO Yoshiaki (40045323)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. MIYAO Noriomi (40200125)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. TAKAGI Seiji (50305231)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. KUNISHIMA Yasuharu (00315508)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
12. SASAMURA Hiroto (50311890)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
13. AOKI Masaharu (10167794)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. NISHIMURA Masahiro (10208225)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. HORITA Hiroki (20260771)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. TACHIKI Hitoshi (80236538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. TAGUCHI Keisuke (70281235)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. HOTTA Hiroshi (90336404)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. UMEHARA Tsugio (90160324)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 斉藤誠一 (80215540)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 高木良雄 (50154761)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 小谷典之

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

ITOH Naoki 伊藤 直樹

Research Projects

Research Products

Co-Researchers

Clinical study on the effect of androgen to organs other genitalisPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Study on autonomous nerve regeneration-Experimental approach to regeneration of cavernous nervePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

The relationship of the inflammatory infiltrating cell in prostate grand and chemokinePrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Clinical and genetic analysis of the causes of male infertilityPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

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Research Institution

精巣内細胞機能調節機構に関する研究-Leydig細胞性es tradiolの影響について-Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

精巣内高estradiol:testosterone比環境中精子発生能障害Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

Principal Investigator

Project Period (FY)

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Research Institution

Principal Investigator

Project Period (FY)

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Research Institution

ITOH Naoki 伊藤直樹