15 research outputs found
Agency Conflicts, Financial Distress, and Syndicate Structure: Evidence from Japanese Borrowers
We examine how borrower firm characteristics affect the size structure in the Japanese syndicated loan market for the 1999-2003 period. Consistent with the view by Lee and Mullineaux (2004), we find that syndicates are smaller when borrowers have higher credit risk, while firms with greater information asymmetry are associated with larger syndicates in Japan. These results are primarily driven by nonkeiretsu (non-business group) firms. This suggests that the role of enhanced monitoring and facilitated renegotiation is especially useful for banks participating in Japanese syndicated loan for non-keiretsu firms. On the other hand, information problems seem to be less severe for keiretsu (business group) firms which tend to have easier access to syndicated loan via the intermediation of in-house banks in the relevant syndicate. Finally, we find that keiretsu (non-keiretsu) firms have less (more) fraction of loan by their agent banks as the maturity rises. It appears that main banks of keiretsu firms with informational advantage are likely to retain less of the loan and form a more dispersed syndicate to "signal' that the loan is of high quality with increased maturity. This further confirms the view that information problems are less severe in the keiretsu firms.
Agency Conflicts, Financial Distress, and Syndicate Structure: Evidence from Japanese Borrowers
This Version: October 2006We examine how borrower firm characteristics affect the size structure in the Japanese syndicated loan market for the 1999-2003 period. Consistent with the view by Lee and Mullineaux (2004), we find that syndicates are smaller when borrowers have higher credit risk, while firms with greater information asymmetry are associated with larger syndicates in Japan. These results are primarily driven by nonkeiretsu (non-business group) firms. This suggests that the role of enhanced monitoring and facilitated renegotiation is especially useful for banks participating in Japanese syndicated loan for non-keiretsu firms. On the other hand, information problems seem to be less severe for keiretsu (business group) firms which tend to have easier access to syndicated loan via the intermediation of in-house banks in the relevant syndicate. Finally, we find that keiretsu (non-keiretsu) firms have less (more) fraction of loan by their agent banks as the maturity rises. It appears that main banks of keiretsu firms with informational advantage are likely to retain less of the loan and form a more dispersed syndicate to "signal' that the loan is of high quality with increased maturity. This further confirms the view that information problems are less severe in the keiretsu firms
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Effect of onion extract on corneal haze suppression after air assisted lamellar keratectomy
This study evaluated the effect of onion extract on corneal haze suppression after applying the air assisted lamellar keratectomy. The air assisted lamellar keratectomy was performed on 24 canine eyes. They were treated with an artificial tear (group C), prednisolone acetate (group P), onion extract (group O) and TGF-β1 (group T) three times per day from 7 to 28 days after the surgery. Corneal haze occurred on the all eyes and was observed beginning 7 days after the surgery. The haze was significantly decreased in groups P and O from day 14 compared with the group C using the clinical (group P; P=0.021, group O; P=0.037) and objective evaluation method (group P; P=0.021, group O; P=0.039). In contrast, it was significantly increased in group T from day 14 compared with group C based on the clinical (P=0.002) and objective evaluation method (P<0.001). Subsequently, these eyes were enucleated after euthanasia, and immunohistochemistry with α-SMA antibodies was done. The total green intensity for α-SMA was significantly more expressed in group T and significantly less expressed in groups P and O than in group C. Onion extract could have potential as a therapeutic in preventing corneal haze development by suppressing the differentiation of fibroblasts into myofibroblasts
Electrostatic interaction of tumor-targeting adenoviruses with aminoclay acquires enhanced infectivity to tumor cells inside the bladder and has better cytotoxic activity
In a previous report, 3-aminopropyl functionalized magnesium phyllosilicate (aminoclay) improved adenovirus transduction efficiency by shielding the negative surface charges of adenovirus particles. The present study analyzed the physicochemical characterization of the electrostatic complex of adenoviruses with aminoclay and explored whether it could be utilized for enhancing tumor suppressive activity in the bladder. As a result of aminoclay-adenovirus nanobiohybridization, its transduction was enhanced in a dose-dependent manner, increasing transgene expression in bladder cancer cells and in in vivo animal models. Physicochemical studies demonstrated that positively charged aminoclay led to the neutralization of negative surface charges of adenoviruses, protection of adenoviruses from neutralizing antibodies and lowered transepithelial electrical resistance (TEER). As expected from the physicochemical properties, the aminoclay enabled tumor-targeting adenoviruses to be more potent in killing bladder cancer cells and suppressing tumor growth in orthotopic bladder tumors, suggesting that aminoclay would be an efficient, versatile and biocompatible delivery carrier for intravesical instillation of adenoviruses
Scatterplot of individuals’ peak flow rates with and without the sound of running water.
<p>A significant increase in peak flow rates was observed for the majority of patients following the sound.</p
Patient demographic and clinical characteristics (N = 18).
<p>PSA: Prostate-specific antigen</p><p>Patient demographic and clinical characteristics (N = 18).</p
Air assisted lamellar keratectomy for the corneal haze model
To standardize the corneal haze model in the resection depth and size for efficient corneal haze development, air assisted lamellar keratectomy was performed. The ex vivo porcine corneas were categorized into four groups depending on the trephined depth: 250 µm (G1), 375 µm (G2), 500 µm (G3) and 750 µm (G4). The stroma was equally ablated at the five measurement sites in all groups. Significant differences were observed between the trephined corneal depths for resection and ablated corneal thickness in G1 (p < 0.001). No significant differences were observed between the trephined corneal depth for resection and the ablated corneal thickness in G2, G3, and G4. The resection percentage was similar in all groups after microscopic imaging of corneal sections. Air assisted lamellar keratectomy (AK) and conventional keratectomy (CK) method were applied to six beagles, after which development of corneal haze was evaluated weekly until postoperative day 28. The occurrence of corneal haze in the AK group was significantly higher than that in the CK group beginning 14 days after surgery. Alpha-smooth muscle actin expression was significantly higher in the AK group (p < 0.001) than the CK group. Air assisted lamellar keratectomy was used to achieve the desired corneal thickness after resection and produce sufficient corneal haze