Journal of Pathology and Translational Medicine

Hyun Jin Son

2 Articles

Increased Expression of Thymosin β4 Is Independently Correlated with Hypoxia Inducible Factor-1α (HIF-1α) and Worse Clinical Outcome in Human Colorectal Cancer: Seung Yun Lee, Mee Ja Park, Hye Kyung Lee, Hyun Jin Son, Chang Nam Kim, Joo Heon Kim, Dong Wook Kang; J Pathol Transl Med. 2017;51(1):9-16. Published online October 16, 2016; DOI: https://doi.org/10.4132/jptm.2016.08.23

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Background
Thymosin β₄ is a multi-functional hormone-like polypeptide, being involved in cell migration, angiogenesis, and tumor metastasis. This study was undertaken to clarify the clinicopathologic implications of thymosin β₄ expression in human colorectal cancers (CRCs).
Methods
We investigated tissue sections from 143 patients with CRC by immunohistochemistry. In addition, we evaluated the expression patterns and the clinico-pathological significance of thymosin β₄ expression in association with hypoxia inducible factor-1α (HIF-1α) expression in the CRC series.
Results
High expression of thymosin β₄ was significantly correlated with lymphovascular invasion, invasion depth, regional lymph node metastasis, distant metastasis, and TNM stage. Patients with high expression of thymosin β₄ showed poor recurrence-free survival (p = .001) and poor overall survival (p = .005) on multivariate analysis. We also found that thymosin β₄ and HIF-1α were overexpressed and that thymosin β₄ expression increased in parallel with HIF-1α expression in CRC.
Conclusions
A high expression level of thymosin β₄ indicates poor clinical outcomes and may be a useful prognostic factor in CRC. Thymosin β₄ is functionally related with HIF-1α and may be a potentially valuable biomarker and possible therapeutic target for CRC.

Citations

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Thymosin β4 Is an Endogenous Iron Chelator and Molecular Switcher of Ferroptosis
Joanna I. Lachowicz, Giusi Pichiri, Marco Piludu, Sara Fais, Germano Orrù, Terenzio Congiu, Monica Piras, Gavino Faa, Daniela Fanni, Gabriele Dalla Torre, Xabier Lopez, Kousik Chandra, Kacper Szczepski, Lukasz Jaremko, Mitra Ghosh, Abdul-Hamid Emwas, Mass
International Journal of Molecular Sciences.2022; 23(1): 551. CrossRef
Metal coordination of thymosin β4: Chemistry and possible implications
Joanna Izabela Lachowicz, Mariusz Jaremko, Lukasz Jaremko, Giuseppina Pichiri, Pierpaolo Coni, Marco Piludu
Coordination Chemistry Reviews.2019; 396: 117. CrossRef
Adipose-Derived Mesenchymal Stem Cells Enhance Ovarian Cancer Growth and Metastasis by Increasing Thymosin Beta 4X-Linked Expression
Yijing Chu, Min You, Jingjing Zhang, Guoqiang Gao, Rendong Han, Wenqiang Luo, Tingting Liu, Jianxin Zuo, Fuling Wang
Stem Cells International.2019; 2019: 1. CrossRef
An Investigation on the Therapeutic Effect of Thymosinβ4 and Its Expression Levels in Streptozotocin-Induced Diabetic Mice
Kyung Sook Cho, Dong-Jin Kim, Bomee Shim, Jung Yeon Kim, Jun Mo Kang, Seon Hwa Park, Sang-Ho Lee, Hyung-In Yang, Kyoung Soo Kim
BioMed Research International.2018; 2018: 1. CrossRef
Hypoxia-inducible factor-1α expression in colorectal carcinoma
Ahmed M. Abd ElAziz, Hanan S. Abd ElHamid, Rasha R. Mostafa, Yousra R.A. Shalaby
Egyptian Journal of Pathology.2018; 38(1): 18. CrossRef

Difference of the Nuclear Green Light Intensity between Papillary Carcinoma Cells Showing Clear Nuclei and Non-neoplastic Follicular Epithelia in Papillary Thyroid Carcinoma: Hyekyung Lee, Tae Hwa Baek, Meeja Park, Seung Yun Lee, Hyun Jin Son, Dong Wook Kang, Joo Heon Kim, Soo Young Kim; J Pathol Transl Med. 2016;50(5):355-360. Published online August 22, 2016; DOI: https://doi.org/10.4132/jptm.2016.05.19

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Abstract PDF: Background
There is subjective disagreement regarding nuclear clearing in papillary thyroid carcinoma. In this study, using digital instruments, we were able to quantify many ambiguous pathologic features and use numeric data to express our findings.
Methods
We examined 30 papillary thyroid carcinomas. For each case, we selected representative cancer cells showing clear nuclei and surrounding non-neoplastic follicular epithelial cells and evaluated objective values of green light intensity (GLI) for quantitative analysis of nuclear clearing in papillary thyroid carcinoma.
Results
From 16,274 GLI values from 600 cancer cell nuclei and 13,752 GLI values from 596 non-neoplastic follicular epithelial nuclei, we found a high correlation of 94.9% between GLI and clear nuclei. GLI between the cancer group showing clear nuclei and non-neoplastic follicular epithelia was statistically significant. The overall average level of GLI in the cancer group was over two times higher than the non-neoplastic group despite a wide range of GLI. On a polygonal line graph, there was a fluctuating unique difference between both the cancer and non-neoplastic groups in each patient, which was comparable to the microscopic findings.
Conclusions
Nuclear GLI could be a useful factor for discriminating between carcinoma cells showing clear nuclei and non-neoplastic follicular epithelia in papillary thyroid carcinoma.

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