1.The effort of various mixing methods on dynamic viscoelasticity of a temporary soft lining material; coe-comfort.
Hyun Ju RYU ; Hanna Eun Kyong BAE ; June Sung SHIM ; Seok Hyung LEE ; Hong Suk MOON ; Mun Kyu CHUNG
The Journal of Korean Academy of Prosthodontics 2004;42(6):641-646
STATEMENT OF PROBLEM: Temporary soft relining materials are used in a diverse clinical situations such as tissue conditioner, relining material, functional impression by varying its viscoelasticity. However, reproduction of consistent viscoelasticity has been not possible. MATERIALS AND METHODS: Considering setting mechanism of this material, this study has measured the effect of varying amount of void in dynamic viscoelasticity of soft relining material, with three different mixing methods. In each methods 10 specimens were made and subjected to dynamic viscoelastic test which were measured at specific times over period of 72 hours. RESULTS: The analysis of the result shown that there was no statistically significant differences between different mixing methods. CONCLUSION: Different mixing methods had no effect over control of viscoelasticity of soft lining material. Further research is recommended for under similar oral environmental condition.
Reproduction
2.Ataxia-Telangiectasia Mutated Is Involved in Autolysosome Formation
Mihwa HWANG ; Dong Wha JUN ; Bo Ram SONG ; Hanna SHIM ; Chang-Hun LEE ; Sunshin KIM
Biomolecules & Therapeutics 2023;31(5):559-565
Ataxia-telangiectasia mutated (ATM), a master kinase of the DNA damage response (DDR), phosphorylates a multitude of substrates to activate signaling pathways after DNA double-strand breaks (DSBs). ATM inhibitors have been evaluated as anticancer drugs to potentiate the cytotoxicity of DNA damage-based cancer therapy. ATM is also involved in autophagy, a conserved cellular process that maintains homeostasis by degrading unnecessary proteins and dysfunctional organelles. In this study, we report that ATM inhibitors (KU-55933 and KU-60019) provoked accumulation of autophagosomes and p62 and restrained autolysosome formation. Under autophagy-inducing conditions, the ATM inhibitors caused excessive autophagosome accumulation and cell death. This new function of ATM in autophagy was also observed in numerous cell lines. Repression of ATM expression using an siRNA inhibited autophagic flux at the autolysosome formation step and induced cell death under autophagy-inducing conditions.Taken together, our results suggest that ATM is involved in autolysosome formation and that the use of ATM inhibitors in cancer therapy may be expanded.
3.A Review of Breast Cancer Survivorship Issues from Survivors' Perspectives.
Jihyoung CHO ; So Youn JUNG ; Jung Eun LEE ; Eun Jung SHIM ; Nam Hyoung KIM ; Zisun KIM ; Guiyun SOHN ; Hyun Jo YOUN ; Ku Sang KIM ; Hanna KIM ; Jong Won LEE ; Min Hyuk LEE
Journal of Breast Cancer 2014;17(3):189-199
Despite the fact that more breast cancer survivors are currently enjoying longer lifespans, there remains limited knowledge about the factors and issues that are of greatest significance for these survivors, particularly from their perspectives. This review was based on the concept that the topics addressed should focus on the perspectives of current survivors and should be extended to future modalities, which physicians will be able to use to gain a better understanding of the hidden needs of these patients. We intended to choose and review dimensions other than the pathology and the disease process that could have been overlooked during treatment. The eight topics upon which we focused included: delay of treatment and survival outcome; sexual well-being; concerns about childbearing; tailored follow-up; presence of a family history of breast cancer; diet and physical activity for survivors and their families; qualitative approach toward understanding of breast cancer survivorship, and; mobile health care for breast cancer survivors. Through this review, we aimed to examine the present clinical basis of the central issues noted from the survivors' perspectives and suggest a direction for future survivorship-related research.
Breast Neoplasms*
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Diet
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Follow-Up Studies
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Humans
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Motor Activity
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Pathology
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Quality of Life
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Survival Rate*
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Survivors
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Telemedicine