The results of this study suggest that VEGF expression is correlated with p53 expression and that it may have prognostic value in salivary gland carcinomas.
In this study, we clarified some of the ambiguities in the rewards–creativity relationship by focusing on creative performance in organizations that is contingent on intrinsic and extrinsic rewards. Participants were 241 employee–peer pairs working in various industries.
The results indicated that, regardless of the degree of importance of the reward as perceived by the employee, intrinsic rewards exerted a significant direct positive effect on creativity. In contrast, extrinsic rewards exerted only a significant indirect effect on employee creativity via
commitment to creativity. Moreover, the effect of extrinsic rewards on creative performance was moderated by the degree of importance of that reward as perceived by the employee. The reward promoted creativity only when the employee regarded that reward as important. Our findings demonstrate
distinct underlying mechanisms and boundary conditions of intrinsic and extrinsic rewards in shaping individual employee creativity.
This study has attempted to establish an analysis method through validation against heavy metals in the body (Pb, Cd and Hg) using ICP-MS and Gold amalgamation and find out the relevance between heavy metal and Alzheimer’s disease after analyzing the distribution of heavy metal concentration (Pb, Cd and Hg) and correlations between a control group and Alzheimer’s disease group. In this study, Pb and Cd levels in the blood and serum were validation using ICP-MS. For analysis of Hg levels in the blood and serum, the gold amalgamation-based ‘Direct Mercury Analyzer’ has been used. According to an analysis on the heavy metal concentration (Pb, Cd and Hg concentration) in the blood, Cd concentration was high in the Alzheimer’s disease group. In the serum, on the contrary, Pb and Hg were high in the Alzheimer’s disease group. For analysis of correlations between heavy metal levels in the blood and serum and Alzheimer’s disease, t-test has been performed. Even though correlations were observed between the blood lead levels and Alzheimer’s disease, they were statistically insignificant because the concentration was higher in a control group. No significance was found in Cd and Hg. In the serum, on the other hand, no statistical significance was found between the heavy metal (Pb, Cd and Hg) and Alzheimer’s disease. In this study, no statistical significance was observed between heavy metal and decrease in cognitive intelligence. However, it appears that a further study needs to be performed because the results of the conventional studies were inconsistent.
Mucosal CD30-positive T-cell lymphoproliferative disorder (CD30+ T-cell LPD) is a novel entity with unique clinicopathological features and an indolent behavior. Here we report the first case of mucosal CD30+ T-cell LPD arising in the oral cavity following dental implant. A 70-year-old woman presented with swelling and redness of the oral mucosa of right maxilla and left mandible surrounding dental implants that had been placed 8 years previously. Radiological examination revealed enhancing oral lesions and multiple cervical lymph nodes. Microscopic examination showed diffuse infiltration of large anaplastic cells with characteristic morphology of hallmark cells described in anaplastic large cell lymphoma. These cells were diffusely positive for CD30, CD3, CD4, CD2, CD5, CD7, TIA-1, and TCRβF1, but negative for CD20, CD8, CD45, EMA, ALK, and Epstein-Barr virus. T-cell monoclonality was detected in a TCRγ gene rearrangement study. This a unique case of mucosal CD30+ T-cell LPD with unusual presentation following dental implant.
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