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Molecular pathology of the functional differentiation of the pituitary adenoma

Research Project

Project/Area Number 16390110
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Human pathology
Research InstitutionTokai University

Principal Investigator

OSAMURA Yoshiyuki  Tokai University, School of Medicine, Professor, 医学部, 教授 (10100992)

Co-Investigator(Kenkyū-buntansha) UMEMURA Shinobu  Tokai University, School of Medicine, Associate Professor, 医学部, 助教授 (20276794)
TAKEKOSHI Susumu  Tokai University, School of Medicine, Associate Professor, 医学部, 助教授 (70216878)
KAJIWARA Hiroshi  Tokai University, School of Medicine, Assistant Professor, 医学部, 講師 (20317754)
KIMURA Minoru  Tokai University, School of Medicine, Professor, 医学部, 教授 (10146706)
TERAMOTO Akira  Nippon Medical School, School of Medicine, Professor, 医学部, 教授 (60231445)
井上 金治  埼玉大学, 理学部, 教授 (50091963)
Project Period (FY) 2004 – 2006
Project Status Completed (Fiscal Year 2006)
Budget Amount *help
¥13,300,000 (Direct Cost: ¥13,300,000)
Fiscal Year 2006: ¥3,200,000 (Direct Cost: ¥3,200,000)
Fiscal Year 2005: ¥4,100,000 (Direct Cost: ¥4,100,000)
Fiscal Year 2004: ¥6,000,000 (Direct Cost: ¥6,000,000)
KeywordsPituitary / αSU / FOXL2 / Adenoma / 下垂体腺腫 / 下垂体前葉ホルモン / 転写因子 / Pit1 / PTTG / CDKインヒビター / サンドスタチンレセプター / αサブユニット
Research Abstract

[AIM] Many transcription factors play important roles in function and differentiation of the human pituitary adenomas. Forkhead box transcription factor L2, Fox12, is expressed during mouse pituitary development and co-localizes with expression of the glycoprotein hormone a subunit (aGSU). In addition, FOXL2 regulates expression of the aGSU gene in cell culture. To elucidate the functional role of FOXL2 in human pituitary, we detected the localization and expression of FOXL2 in normal human pituitaries and various types of its adenomas.
[MATERIALS AND METHODS] The human pituitary adenomas were obtained by trans-sphenoidal surgery from 66 patients. Two normal adult pituitaries were obtained from the autopsies of non-endocrine cases. The localization of FOXL2 and pituitary hormones in these pituitary patients was studied by immunohistochemical staining. The quantitative analysis of FOXL2 protein was detected by using immunoblotting.
[RESULTS AND DISCUSSION] FOXL2 was localized immunohistochemically in many of gonadotropin producing adenomas (Gn-omas), and in about 20% of normal pituitaries that also co-expressed aGSU.
These results are consistent with the idea that FOXL2 plays a role in αGSU expression in human pituitary adenomas. Future studies with gain and loss of function animal models will be important to assess the function of FOXL2 in establishing and maintaining differentiated αGSU expressing cells.

Report

(4 results)
  • 2006 Annual Research Report   Final Research Report Summary
  • 2005 Annual Research Report
  • 2004 Annual Research Report
  • Research Products

    (37 results)

All 2006 2005 2004

All Journal Article (37 results)

  • [Journal Article] FOXL2 in the pituitary : molecular genetic, and developmental analysis.2006

    • Author(s)
      Ellsworth BS et al.
    • Journal Title

      Molecular Endocrinology 20・11

      Pages: 2796-2805

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Immunonegative "null cell" adenomas and gonadotropin (Gn) subunit (SUs) immunopositive adenomas share frequent expression of multiple transcription factors.2006

    • Author(s)
      Ishii Y. et al.
    • Journal Title

      Endocrine Pathology 17・1

      Pages: 35-43

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Effect of mitotane on pituitary corticotrophs in clinically normal dogs.2006

    • Author(s)
      Taoda T. et al.
    • Journal Title

      American Journal of veterinary research 67・8

      Pages: 1385-1394

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] PTTG overexpression is correlated with angiogenesis in human pituitary adenomas.2006

    • Author(s)
      Minematsu T. et al.
    • Journal Title

      Endocrine Pathology 17・2

      Pages: 143-153

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Annual Research Report 2006 Final Research Report Summary
  • [Journal Article] Phosphorylation of cAMP response element binding protein (CREB) as a marker of hypoxia in pituitary adenoma.2006

    • Author(s)
      Morimoto D. et al.
    • Journal Title

      Journal of neuro-oncology 79・2

      Pages: 143-150

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Impaired regulation of gonadotropins leads to the atrophy of the female reproductive system in klotho-deficient mice.2006

    • Author(s)
      Toyama R. et al.
    • Journal Title

      Endocrinology 147・1

      Pages: 120-129

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] FOXL2 in the pituitary : molecular genetic, and developmental analysis.2006

    • Author(s)
      Ellswor th BS
    • Journal Title

      Molecular Endocrinology 20-11

      Pages: 2796-2805

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Immunonegative "null cell" adenomas and gonadotropin (Gn) subunit (SUs) immunopositive adenomas share frequent expression of multiple transcription factors.2006

    • Author(s)
      Ishii Y
    • Journal Title

      Endocrine Pathology 17-1

      Pages: 35-43

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Effect of mitotane on pituitary corticotrophs in clinically normal dogs.2006

    • Author(s)
      Taoda T
    • Journal Title

      American Journal of veterinary research 67-8

      Pages: 1385-1394

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] PTTG overexpress ion is correlated with angiogenesis in human pituitary adenomas.2006

    • Author(s)
      Minematsu T
    • Journal Title

      Endocrine Pathology 17-2

      Pages: 143-153

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Phosphorylation of cAMP response element binding protein (CREB) as a marker of hypoxia in pituitary adenoma.2006

    • Author(s)
      Morimoto D
    • Journal Title

      Journal of neuro-oncology 79-2

      Pages: 143-150

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] Impaired regulation of gonadotropins leads to the atrophy of the female reproductive system in klotho-deficient mice.2006

    • Author(s)
      Toyama R
    • Journal Title

      Endocrinology 147-1

      Pages: 120-129

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      2006 Final Research Report Summary
  • [Journal Article] FOXL2 in the pituitary : molecular genetic,and developmental analysis.2006

    • Author(s)
      Ellsworth BS et al.
    • Journal Title

      Molecular Endocrinology 20・11

      Pages: 2796-2805

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Immunonegative "null cell"adenomas and gonadotropin(Gn)subunit(SUs) immunopositive adenomas share frequent expression of multiple transcription factors.2006

    • Author(s)
      Ishii Y. et al.
    • Journal Title

      Endocrine Pathology 17・1

      Pages: 35-43

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Phosphorylation of cAMP response element binding protein(CREB)as a marker of hypoxia in pituitary adenoma.2006

    • Author(s)
      Morimoto D. et al.
    • Journal Title

      Journal of neuro-oncology 79・2

      Pages: 143-150

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Impaired regulation of gonadotropins leads of the atrophy of the female reproductive system in klotho-deficient mice.2006

    • Author(s)
      Toyama R. et al.
    • Journal Title

      Endocrinology 147・1

      Pages: 120-129

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Malignant Gastric Carcinoid Causing Ectopic ACTH Syndrome : Discrepancy of Plasma ACTH Levels Measured by Different Immunoradiometric Assays.2005

    • Author(s)
      Tsuchiya K et al.
    • Journal Title

      Endocrine Journal 52(6)

      Pages: 743-750

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Olfactory Neuroblastoma Causing Ectopic ACTH Syndrome.2005

    • Author(s)
      Kanno K et al.
    • Journal Title

      Endocrine Journal 52(6)

      Pages: 675-681

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Induction of GH, PRL, and TSH beta mRNA by transfection of Pit-1 in a human pituitary adenoma-derived cell line.2005

    • Author(s)
      Miyai S et al.
    • Journal Title

      Cell and Tissue Research 322(2)

      Pages: 269-277

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Recent progress in studies of pituitary tumor pathogenesis.2005

    • Author(s)
      Minematsu T et al.
    • Journal Title

      Endocrine 28(1)

      Pages: 37-41

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Establishment of stable GH3 cell line expressing enhanced yellow fluorescein protein-growth hormone fusion protein.2005

    • Author(s)
      Matsuno A et al.
    • Journal Title

      The Journal of Histochemistry and Cytochemistry 53(9)

      Pages: 1177-1180

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Three-dimensional imaging of the intracellular localization of growth hormone and prolactin and their mRNA using nanocrystal (Quantum dot) and confocal laser scanning microscopy techniques.2005

    • Author(s)
      Matsuno A et al.
    • Journal Title

      The Journal of Histochemistry and Cytochemistry 53(7)

      Pages: 833-838

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Dietary Soybean Enhances Pit-1 Dependent Pituitary Hormone Production in Iodine Deficient Rats.2005

    • Author(s)
      Kajiya H et al.
    • Journal Title

      Journal of Molecular Histology 36(4)

      Pages: 265-274

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Molecular and histological studies of pituitary tumorigenesis using experimental animal models.2005

    • Author(s)
      Minematsu T et al.
    • Journal Title

      Acta Histochemica et Cytochemica 38

      Pages: 87-92

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Histochemical technologies for genomics and proteomics : Laser capture microdissection (LCM) and tissue microarray (TMA)2005

    • Author(s)
      Osamura Y et al.
    • Journal Title

      Acta Histochemica et Cytochemica 38

      Pages: 185-188

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Two-or Three-Dimensional Imagings of Simultaneous Visualization of Rat Pituitary Hormone and Its mRNA : Comparison between Electron Microscopy and Confocal Laser Scanning Microscopy with Semiconductor Nanocrystals (Quantum dots).2005

    • Author(s)
      Matsuno A et al.
    • Journal Title

      Acta Histochemica et Cytochemica 38

      Pages: 253-256

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 病理医のための組織学の基礎 第16回 下垂体2005

    • Author(s)
      江頭登ら
    • Journal Title

      病理と臨床 23(1)

      Pages: 59-65

    • Related Report
      2005 Annual Research Report
  • [Journal Article] EYFP-GH fusion proteinの遺伝子を導入したGH3 stable cell lineの樹立2005

    • Author(s)
      松野彰ら
    • Journal Title

      日本内分泌学会雑誌 81 (Suppl)

      Pages: 62-63

    • Related Report
      2005 Annual Research Report
  • [Journal Article] ナノクリスタルQdotと共焦点レーザー顕微鏡を用いた、成長ホルモンとプロラクチンのmRNAと蛋白の細胞内動態に関する3次元解析2005

    • Author(s)
      松野彰ら
    • Journal Title

      日本内分泌学会雑誌 81 (Suppl)

      Pages: 60-61

    • Related Report
      2005 Annual Research Report
  • [Journal Article] 下垂体前葉細胞および腫瘍細胞の機能分化における転写因子Pit-1の関与2005

    • Author(s)
      峰松健夫ら
    • Journal Title

      医学のあゆみ 213(5)

      Pages: 306-310

    • Related Report
      2005 Annual Research Report
  • [Journal Article] ザクロジュースのエストロゲン作用に関する検討2005

    • Author(s)
      梶谷華子ら
    • Journal Title

      日本臨床生理学会誌 35

      Pages: 89-99

    • Related Report
      2005 Annual Research Report
  • [Journal Article] Pit-1 gene inhibition using small interfering RNAs in rat pituitary GH secreting cell line ; MtT/S2005

    • Author(s)
      Shunsuke M. et al.
    • Journal Title

      Acta Histochemca et Cytochemica 38(2)

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Production of pituitary hormone by human pituitary adenoma is under autocrine and paracrine regulationof hypothalamic hormones secreted from adenoma cells.2004

    • Author(s)
      Matsuno A. et al.
    • Journal Title

      Acta Histochemca et Cytochemica 36

      Pages: 415-420

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Cocaine- and amphetamine-regulated transcript peptide in the rat anterior pituitary gland is localized in gonadotrophs and suppressed prolactin secretion.2004

    • Author(s)
      Kuriyama G. et al.
    • Journal Title

      Endocrinology 145

      Pages: 2542-2550

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Molecular pathology of the pituitary.2004

    • Author(s)
      Osamura RY. et al.
    • Journal Title

      Frontier of Hormone Research 32

      Pages: 20-33

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Pathological study of thyrotropin-secreting pituitary adenoma : plurihormonality and medical treatment.2004

    • Author(s)
      Teramoto A. et al.
    • Journal Title

      Acta Neuropathology 108

      Pages: 147-153

    • Related Report
      2004 Annual Research Report
  • [Journal Article] Recent developments in molecular embryogenesis and molecular biology of the pituitary.2004

    • Author(s)
      Osamura RY., Egashira N.
    • Journal Title

      Endocrine Pathology. Differential diagnosis and molecular advances. (ED : RV.Lloyd)

      Pages: 75-86

    • Related Report
      2004 Annual Research Report

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Published: 2004-04-01   Modified: 2016-04-21  

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