Minireview: GNAS: Normal and Abnormal Functions

LS Weinstein, J Liu, A Sakamoto, T Xie… - Endocrinology, 2004 - academic.oup.com
GNAS is a complex imprinted gene that uses multiple promoters to generate several gene
products, including the G protein α-subunit (G s α) that couples seven-transmembrane …

Nuclear expression of YB-1 protein correlates with P-glycoprotein expression in human osteosarcoma.

Y Oda, A Sakamoto, N Shinohara, T Ohga… - Clinical cancer research …, 1998 - AACR
The Y-box-binding protein, YB-1, is a member of the DNA-binding protein family. It binds to
the Y-box, an inverted CCAAT box, in the promoter region of the human multidrug resistance …

Current status and perspectives regarding the treatment of osteosarcoma: chemotherapy

A Sakamoto, Y Iwamoto - Reviews on recent clinical trials, 2008 - ingentaconnect.com
Osteosarcoma is the most common primary bone tumor in childhood and adolescence. The
use of combination chemotherapy and surgery enables long-term survival in approximately …

Chondrocyte‐Specific Knockout of the G Protein Gsα Leads to Epiphyseal and Growth Plate Abnormalities and Ectopic Chondrocyte Formation

A Sakamoto, M Chen, T Kobayashi… - Journal of Bone and …, 2005 - academic.oup.com
G s α is a ubiquitously expressed G protein α‐subunit that couples receptors to adenylyl
cyclase. Mice with chondrocyte‐specific ablation of the G s α gene had severe epiphyseal and …

Deficiency of the G-protein α-subunit Gsα in osteoblasts leads to differential effects on trabecular and cortical bone

A Sakamoto, M Chen, T Nakamura, T Xie… - Journal of Biological …, 2005 - ASBMB
The G-protein α-subunit G s α is required for the intracellular cAMP responses to hormones
and other agonists. G s α is known to mediate the cAMP response to parathyroid hormone …

Prognostic value of the preserved expression of the E‐cadherin and catenin families of adhesion molecules and of β‐catenin mutations in synovial sarcoma

T Saito, Y Oda, A Sakamoto, S Tamiya… - The Journal of …, 2000 - Wiley Online Library
This study addresses the immunohistochemical expression of the E‐cadherin and catenin
families and mutations of the β‐catenin gene detected by PCR–SSCP in synovial sarcoma. …

[HTML][HTML] Immunoexpression of ultraviolet photoproducts and p53 mutation analysis in atypical fibroxanthoma and superficial malignant fibrous histiocytoma

A Sakamoto, Y Oda, E Itakura, Y Oshiro, O Nikaido… - Modern pathology, 2001 - Elsevier
p53 mutation is one of the major results of ultraviolet (UV) radiation. UV photoproducts of
cyclobutane pyrimidine dimers (CPDs) and pyrimidine-pyrimidone (6–4) photoproducts (64PPs…

Expression of hepatocyte growth factor (HGF)/scatter factor and its receptor c-MET correlates with poor prognosis in synovial sarcoma

ODA Yoshinao, A Sakamoto, T Saito, N Kinukawa… - Human pathology, 2000 - Elsevier
The hepatocyte growth factor (HGF)/c-MET signaling system plays an important role in the
carcinogenesis of various organs. We investigated the expression of HGF and its receptor c-…

Increased expression of insulin-like growth factor I and/or its receptor in gastrinomas is associated with low curability, increased growth, and development of …

M Furukawa, M Raffeld, C Mateo, A Sakamoto… - Clinical Cancer …, 2005 - AACR
Purpose: Growth factors, particularly insulin-like growth factor I (IGF-I) and IGF-I receptor (IGF-IR)
in some nonendocrine and a few endocrine tumors, are thought important in recurrence…

Long-term follow-up on the use of vascularized fibular graft for the treatment of congenital pseudarthrosis of the tibia

A Sakamoto, T Yoshida, Y Uchida, T Kojima… - Journal of Orthopaedic …, 2008 - Springer
Background Congenital pseudoarthrosis of the tibia (CPT) is one of the most difficult conditions
to treat. Methods Five girls and 3 boys with CPT were treated by vascularized fibular …