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Testicular testosterone produced during a critical perinatal period is thought to masculinize and defeminize the male brain from the inherent feminization program and induce male-typical behaviors in the adult. These actions of testosterone appear to be exerted not through its androgenic activity, but rather through its conversion by brain aromatase into(More)
For many antibodies, each antigen-binding site binds to only one antigen molecule during the antibody's lifetime in plasma. To increase the number of cycles of antigen binding and lysosomal degradation, we engineered tocilizumab (Actemra), an antibody against the IL-6 receptor (IL-6R), to rapidly dissociate from IL-6R within the acidic environment of the(More)
An androgen receptor (AR) null mutant mice line was generated by means of a Cre-lox P system. The male (AR(L-/Y)) (KO) mice exhibited typical features of testicular feminization mutant (Tfm) disease in external reproductive organs with growth retardation. The growth curve of the male AR KO mice was similar to that of the wild-type female littermates until(More)
BACKGROUND Previous Japanese studies of childhood B-cell non-Hodgkin lymphoma (B-NHL) have shown a favorable outcome, though the study size was too small to effectively assess the efficacy and safety of treatment for childhood B-NHL. PROCEDURE We performed a nation-wide prospective B-NHL03 study to assess the efficacy and safety of short-pulse intensive(More)
BACKGROUND On the basis of results of previous Japanese trials for myeloid leukemia in Down syndrome (ML-DS), the efficacy of risk-oriented therapy was evaluated in the Japanese Pediatric Leukemia/Lymphoma Study Group AML-D05 study. PROCEDURE All patients received induction chemotherapy that consisted of pirarubicin, intermediate-dose cytarabine, and(More)
As locally converted estrogen from testicular testosterone contributes to apparent androgen activity, the physiological significance of androgen receptor (AR) function in the beneficial effects of androgens on skeletal tissues has remained unclear. We show here that inactivation of AR in mice using a Cre-loxP system-mediated gene-targeting technique caused(More)
UNLABELLED Gain-of-function mutations of the extracellular calcium (Ca(2+)e)-sensing receptor (CaR) have been identified in patients with familial and sporadic hypercalciuric hypocalcaemia. We describe a patient with sporadic severe hypercalciuric hypocalcaemia with undetectable or very low levels of serum parathyroid hormone, carrying a de novo(More)
OBJECTIVES The aim of this study was to compare the risk for cancers of A-bomb survivors in the ongoing life span study (LSS) with unexposed groups consisting of the entire populations of Hiroshima prefecture and neighboring Okayama prefecture. METHODS The subjects consisted of the Hiroshima group reported in LSS report 12 (LSS-H group) and a control(More)
The purpose of this study was to examine the influences of long-term walking training and walking and jumping training on bone mineral density (BMD) and bone metabolism. Data from 28 healthy premenopausal women was assessed. The subjects were divided into the walking group (WG; 17 women mean+/-SE age 35+/-2 years), and the walking and jumping group (WJG; 11(More)