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Kang J, Na K, Kang H, Cho U, Kwon SY, Hwang S, Lee A. Prediction of homologous recombination deficiency from Oncomine Comprehensive Assay Plus correlating with SOPHiA DDM HRD Solution. PLoS One 2024; 19:e0298128. [PMID: 38527014 PMCID: PMC10962813 DOI: 10.1371/journal.pone.0298128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Accepted: 01/19/2024] [Indexed: 03/27/2024] Open
Abstract
OBJECTIVE Poly(ADP-ribose) polymerase (PARP) inhibitors are used for targeted therapy for ovarian cancer with homologous recombination deficiency (HRD). In this study, we aimed to develop a homologous recombination deficiency prediction model to predict the genomic integrity (GI) index of the SOPHiA DDM HRD Solution from the Oncomine Comprehensive Assay (OCA) Plus. We also tried to a find cut-off value of the genomic instability metric (GIM) of the OCA Plus that correlates with the GI index of the SOPHiA DDM HRD Solution. METHODS We included 87 cases with high-grade ovarian serous carcinoma from five tertiary referral hospitals in Republic of Korea. We developed an HRD prediction model to predict the GI index of the SOPHiA DDM HRD Solution. As predictor variables in the model, we used the HRD score, which included percent loss of heterozygosity (%LOH), percent telomeric allelic imbalance (%TAI), percent large-scale state transitions (%LST), and the genomic instability metric (GIM). To build the model, we employed a penalized logistic regression technique. RESULTS The final model equation is -21.77 + 0.200 × GIM + 0.102 × %LOH + 0.037 × %TAI + 0.261 × %LST. To improve the performance of the prediction model, we added a borderline result category to the GI results. The accuracy of our HRD status prediction model was 0.958 for the test set. The accuracy of HRD status using GIM with a cut-off value of 16 was 0.911. CONCLUSION The Oncomine Comprehensive Assay Plus provides a reliable biomarker for homologous recombination deficiency.
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Affiliation(s)
- Jun Kang
- Department of Hospital Pathology, Seoul St. Mary’s Hospital, College of Medicine, Catholic University of Korea, Seoul, Korea
| | - Kiyong Na
- Department of Pathology, Kyung Hee University College of Medicine, Kyung Hee University Hospital, Seoul, Republic of Korea
| | - Haeyoun Kang
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Uiju Cho
- Department of Pathology, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Sun Young Kwon
- Department of Pathology, Dongsan Hospital, School of Medicine, Keimyung University, Daegu, South Korea
| | - Sohyun Hwang
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam, Korea
| | - Ahwon Lee
- Department of Hospital Pathology, Seoul St. Mary’s Hospital, College of Medicine, Catholic University of Korea, Seoul, Korea
- Cancer Research Institute, Catholic University of Korea, Seoul, Korea
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Kang H, Hwang S, Kang H, Jo A, Lee JM, Choi JK, An HJ, Lee H. Altered tumor signature and T-cell profile after chemotherapy reveal new therapeutic opportunities in high-grade serous ovarian carcinoma. Cancer Sci 2024; 115:989-1000. [PMID: 38226451 PMCID: PMC10921005 DOI: 10.1111/cas.16074] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 12/30/2023] [Accepted: 01/04/2024] [Indexed: 01/17/2024] Open
Abstract
Chemotherapy combined with debulking surgery is the standard treatment protocol for high-grade serous ovarian carcinoma (HGSOC). Nonetheless, a significant number of patients encounter relapse due to the development of chemotherapy resistance. To better understand and address this resistance, we conducted a comprehensive study investigating the transcriptional alterations at the single-cell resolution in tissue samples from patients with HGSOC, using single-cell RNA sequencing and T-cell receptor sequencing techniques. Our analyses unveiled notable changes in the tumor signatures after chemotherapy, including those associated with epithelial-mesenchymal transition and cell cycle arrest. Within the immune compartment, we observed alterations in the T-cell profiles, characterized by naïve or pre-exhausted populations following chemotherapy. This phenotypic change was further supported by the examination of adjoining T-cell receptor clonotypes in paired longitudinal samples. These findings underscore the profound impact of chemotherapy on reshaping the tumor landscape and the immune microenvironment. This knowledge may provide clues for the development of future therapeutic strategies to combat treatment resistance in HGSOC.
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Affiliation(s)
- Huiram Kang
- Department of Microbiology, College of MedicineThe Catholic University of KoreaSeoulKorea
- Department of Biomedicine and Health Sciences, Graduate SchoolThe Catholic University of KoreaSeoulKorea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical CenterCHA UniversitySeongnam‐siKorea
- Department of CHA Future Medicine Research InstituteCHA Bundang Medical CenterSeongnam‐siGyeonggi‐doSouth Korea
| | - Haeyoun Kang
- Department of Pathology, CHA Bundang Medical CenterCHA UniversitySeongnam‐siKorea
| | - Areum Jo
- Department of Microbiology, College of MedicineThe Catholic University of KoreaSeoulKorea
- Department of Biomedicine and Health Sciences, Graduate SchoolThe Catholic University of KoreaSeoulKorea
| | - Ji Min Lee
- Department of CHA Future Medicine Research InstituteCHA Bundang Medical CenterSeongnam‐siGyeonggi‐doSouth Korea
| | | | - Hee Jung An
- Department of Pathology, CHA Bundang Medical CenterCHA UniversitySeongnam‐siKorea
- Department of CHA Future Medicine Research InstituteCHA Bundang Medical CenterSeongnam‐siGyeonggi‐doSouth Korea
| | - Hae‐Ock Lee
- Department of Microbiology, College of MedicineThe Catholic University of KoreaSeoulKorea
- Department of Biomedicine and Health Sciences, Graduate SchoolThe Catholic University of KoreaSeoulKorea
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3
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Hwang S. Non-standard employment and COVID-19 testing in South Korean workers. Public Health 2023; 225:133-140. [PMID: 37925837 DOI: 10.1016/j.puhe.2023.09.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 08/28/2023] [Accepted: 09/26/2023] [Indexed: 11/07/2023]
Abstract
OBJECTIVES SARS-CoV-2 testing has been critical in monitoring and containing the COVID-19 pandemic, but there is a dearth of studies on how individuals' adherence to testing varies according to their working conditions. This study aimed to investigate the association between the type of employment contract and COVID-19 testing among wage workers in South Korea. STUDY DESIGN We used a nationally representative sample of employees aged 20-65 years collected from March 24 to 31, 2022. To focus on individual responses when the test was recommended, our sample consisted of 1266 participants who had experienced symptoms of COVID-19 or had been exposed to a confirmed case in the household. METHODS We used multivariate logistic regression to estimate the association between the odds of receiving a PCR test and the type of employment contract while controlling for other potential covariates. RESULTS The percentage of participants who had a SARS-CoV-2 PCR test was 77.8%. After adjusting for all potential covariates, daily workers (OR = 0.35, 95% CI 0.18 to 0.70, P = 0.003) and part-time workers (OR = 0.58, 95% CI 0.39 to 0.86, P = 0.007) had significantly lower odds of being tested relative to standard workers. Other temporary or atypical workers showed no significant differences from standard workers. CONCLUSION Our findings suggested that individuals in the most vulnerable job positions, with less job security and working hours, exhibited a decreased inclination to undergo COVID-19 testing. More effective job retention and income support policies are required to improve compliance.
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Affiliation(s)
- S Hwang
- Department of Economics, Pukyong National University, 45 Yongso-ro, Nam-gu, Busan, 48513, Republic of Korea.
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Kwon J, Kang J, Jo A, Seo K, An D, Baykan MY, Lee JH, Kim N, Eum HH, Hwang S, Lee JM, Park WY, An HJ, Lee HO, Park JE, Choi JK. Single-cell mapping of combinatorial target antigens for CAR switches using logic gates. Nat Biotechnol 2023; 41:1593-1605. [PMID: 36797491 DOI: 10.1038/s41587-023-01686-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Accepted: 01/20/2023] [Indexed: 02/18/2023]
Abstract
Identification of optimal target antigens that distinguish cancer cells from normal surrounding tissue cells remains a key challenge in chimeric antigen receptor (CAR) cell therapy for tumors with intratumoral heterogeneity. In this study, we dissected tissue complexity to the level of individual cells through the construction of a single-cell expression atlas that integrates ~1.4 million tumor, tumor-infiltrating normal and reference normal cells from 412 tumors and 12 normal organs. We used a two-step screening method using random forest and convolutional neural networks to select gene pairs that contribute most to discrimination between individual malignant and normal cells. Tumor coverage and specificity are evaluated for the AND, OR and NOT logic gates based on the combinatorial expression pattern of the pairing genes across individual single cells. Single-cell transcriptome-coupled epitope profiling validates the AND, OR and NOT switch targets identified in ovarian cancer and colorectal cancer.
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Affiliation(s)
- Joonha Kwon
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea
| | - Junho Kang
- Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea
| | - Areum Jo
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul, Republic of Korea
| | - Kayoung Seo
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea
| | - Dohyeon An
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea
| | - Mert Yakup Baykan
- Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea
| | - Jun Hyeong Lee
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea
| | - Nayoung Kim
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul, Republic of Korea
| | - Hye Hyeon Eum
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul, Republic of Korea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si, Republic of Korea
- Department of Biomedical Science, CHA University, Pocheon-si, Republic of Korea
| | - Ji Min Lee
- CHA Advanced Research Institute, CHA Bundang Medical Center, Seongnam-si, Republic of Korea
| | - Woong-Yang Park
- Samsung Genome Institute, Samsung Medical Center, Seoul, Republic of Korea
| | - Hee Jung An
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si, Republic of Korea.
| | - Hae-Ock Lee
- Department of Microbiology, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.
- Department of Biomedicine and Health Sciences, Graduate School, The Catholic University of Korea, Seoul, Republic of Korea.
| | - Jong-Eun Park
- Graduate School of Medical Science and Engineering, KAIST, Daejeon, Republic of Korea.
| | - Jung Kyoon Choi
- Department of Bio and Brain Engineering, KAIST, Daejeon, Republic of Korea.
- Penta Medix Co., Ltd., Seongnam-si, Republic of Korea.
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Lachant D, Minkin R, Swisher J, Mogri M, Zolty R, Hwang S, Seaman S, Broderick M, Sahay S. Safety and efficacy of transitioning from selexipag to oral treprostinil in pulmonary arterial hypertension: Findings from the ADAPT registry. Pulm Pharmacol Ther 2023; 82:102232. [PMID: 37451609 DOI: 10.1016/j.pupt.2023.102232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 06/26/2023] [Accepted: 07/03/2023] [Indexed: 07/18/2023]
Abstract
PURPOSE Oral treprostinil and selexipag are drugs targeting the prostacyclin pathway and are approved for treatment of pulmonary arterial hypertension (PAH). In the setting of unsatisfactory clinical response or tolerability issues while on selexipag, there is little data on clinical benefit, safety, or strategies on transitioning to oral treprostinil. Using prospective data from the ADAPT registry, we aimed to evaluate clinical outcomes, safety, and transition strategies in ten patients with PAH transitioning from selexipag to oral treprostinil. METHODS ADAPT was a prospective, real-world, multicenter, United States-based registry of patients with PAH newly started on oral treprostinil, with a cohort of patients (n = 10) transitioning from selexipag to oral treprostinil. PAH variables of interest were collected from standard-of-care clinic visits. Clinical improvement was defined by modified REPLACE criterion, and risk was assessed by REVEAL Lite 2 from baseline to last follow-up. Real world transition strategies were recorded. Healthcare utilization or worsening PAH was evaluated within 30 days of transitions. RESULTS Seven patients transitioned due to worsening PAH or lack of efficacy on selexipag, and three patients transitioned due to tolerability issues. Based on the modified REPLACE criterion, five patients demonstrated clinical improvement after transition from selexipag to oral treprostinil. Using REVEAL Lite 2 to assess risk, three patients improved and five patients maintained risk category from baseline to last follow-up. All transitions occurred in an outpatient setting either as abrupt stop/start or cross-titration, without parenteral treprostinil bridging. CONCLUSION Transition from selexipag to oral treprostinil was safe, performed without parenteral prostacyclin bridging, and resulted in clinical and categorical risk improvements in some patients.
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Affiliation(s)
- D Lachant
- University of Rochester Medical Center, 601 Elmwood Ave, Rochester, NY, 14642, USA.
| | - R Minkin
- New York-Presbyterian Brooklyn Methodist Hospital, 506 6th St, Brooklyn, NY, 11215, USA.
| | - J Swisher
- Fort Sanders Regional Medical Center, 1901 Clinch Ave, Knoxville, TN, 37916, USA.
| | - M Mogri
- Baylor Scott & White Health, 301 North Washington Avenue Dallas, TX, 75246, USA.
| | - R Zolty
- University of Nebraska Medical Center, 42nd and Emile St, Omaha, NE, 68198, USA.
| | - S Hwang
- United Therapeutics Corporation, 55 TW Alexander Dr, Durham, NC, 27709, USA.
| | - S Seaman
- United Therapeutics Corporation, 55 TW Alexander Dr, Durham, NC, 27709, USA.
| | - M Broderick
- United Therapeutics Corporation, 55 TW Alexander Dr, Durham, NC, 27709, USA.
| | - S Sahay
- Houston Methodist Lung Center, 6445 Main St Floor 22, Houston, TX, 77030, USA.
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Park JD, Jang HJ, Choi SH, Jo GH, Choi JH, Hwang S, Park W, Park KS. The ELK3-DRP1 axis determines the chemosensitivity of triple-negative breast cancer cells to CDDP by regulating mitochondrial dynamics. Cell Death Discov 2023; 9:237. [PMID: 37422450 DOI: 10.1038/s41420-023-01536-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2023] [Revised: 06/20/2023] [Accepted: 06/28/2023] [Indexed: 07/10/2023] Open
Abstract
Triple-negative breast cancer (TNBC) is the most lethal form of breast cancer. TNBC patients have higher rates of metastasis and restricted therapy options. Although chemotherapy is the conventional treatment for TNBC, the frequent occurrence of chemoresistance significantly lowers the efficacy of treatment. Here, we demonstrated that ELK3, an oncogenic transcriptional repressor that is highly expressed in TNBC, determined the chemosensitivity of two representative TNBC cell lines (MDA-MB231 and Hs578T) to cisplatin (CDDP) by regulating mitochondrial dynamics. We observed that the knockdown of ELK3 in MDA-MB231 and Hs578T rendered these cell lines more susceptible to the effects of CDDP. We further demonstrated that the chemosensitivity of TNBC cells was caused by the CDDP-mediated acceleration of mitochondrial fission, excessive mitochondrial reactive oxygen species production, and subsequent DNA damage. In addition, we identified DNM1L, a gene encoding the dynamin-related protein 1 (a major regulator of mitochondrial fission), as a direct downstream target of ELK3. Based on these results, we propose that the suppression of ELK3 expression could be used as a potential therapeutic strategy for overcoming the chemoresistance or inducing the chemosensitivity of TNBC.
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Affiliation(s)
- Joo Dong Park
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Hye Jung Jang
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Seung Hee Choi
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Gae Hoon Jo
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Jin-Ho Choi
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Sohyun Hwang
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Wooram Park
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon, Republic of Korea
| | - Kyung-Soon Park
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea.
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Sang YB, Kim G, Hwang S, Kang H, Chon HJ. Dramatic Response to Cabozantinib in a Patient with Refractory Hepatocellular Carcinoma with c- MET Amplification. J Clin Transl Hepatol 2023; 11:747-750. [PMID: 36969903 PMCID: PMC10037501 DOI: 10.14218/jcth.2022.00212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/20/2022] [Accepted: 08/09/2022] [Indexed: 12/04/2022] Open
Abstract
We report a case of a patient with c-MET amplified hepatocellular carcinoma (HCC) who had a dramatic response to cabozantinib despite being refractory to four previous lines of systemic therapy. The patient had previously received regorafenib plus nivolumab as first-line treatment, lenvatinib as second-line, sorafenib as third-line, and ipilimumab plus nivolumab as fourth-line treatment in sequence. However, all regimens showed early progression within 2 months. The patient's HCC was well-controlled, with a partial response (PR) of over 9 months after beginning cabozantinib treatment. Although there were mild adverse events such as diarrhea and elevated liver enzymes, they were tolerable. Next-generation sequencing (NGS) of the patient's previous surgical specimen indicated amplification of c-MET genes. Although it is well known that cabozantinib has excellent effectiveness for inhibiting c-MET at the preclinical level, to the best of our knowledge this is the first case of dramatic response to cabozantinib in a patient with advanced HCC with c-MET amplification.
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Affiliation(s)
- Yun Beom Sang
- Department of Medical Oncology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Korea
| | - Gwangil Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Korea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Korea
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam-si, Gyeonggi-do, Korea
| | - Haeyoun Kang
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Korea
| | - Hong Jae Chon
- Department of Medical Oncology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam-si, Gyeonggi-do, Korea
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam-si, Gyeonggi-do, Korea
- Correspondence to: Hong Jae Chon, Medical Oncology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam 13496, Korea. ORCID: https://orcid.org/0000-0002-6979-5812. Tel/Fax: +82-31-780-7590, E-mail:
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8
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Park HB, Min Y, Hwang S, Baek KH. Suppression of USP7 negatively regulates the stability of ETS proto-oncogene 2 protein. Biomed Pharmacother 2023; 162:114700. [PMID: 37062218 DOI: 10.1016/j.biopha.2023.114700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 04/08/2023] [Accepted: 04/10/2023] [Indexed: 04/18/2023] Open
Abstract
Ubiquitin-specific protease 7 (USP7) is one of the deubiquitinating enzymes (DUBs) that remove mono or polyubiquitin chains from target proteins. Depending on cancer types, USP7 has two opposing roles: oncogene or tumor suppressor. Moreover, it also known that USP7 functions in the cell cycle, apoptosis, DNA repair, chromatin remodeling, and epigenetic regulation through deubiquitination of several substrates including p53, mouse double minute 2 homolog (MDM2), Myc, and phosphatase and tensin homolog (PTEN). The [P/A/E]-X-X-S and K-X-X-X-K motifs of target proteins are necessary elements for the binding of USP7. In a previous study, we identified a novel substrate of USP7 through bioinformatics analysis using the binding motifs for USP7, and suggested that it can be an effective tool for finding new substrates for USP7. In the current study, gene ontology (GO) analysis revealed that putative target proteins having the [P/A/E]-X-X-S and K-X-X-K motifs are involved in transcriptional regulation. Moreover, through protein-protein interaction (PPI) analysis, we discovered that USP7 binds to the AVMS motif of ETS proto-oncogene 2 (ETS2) and deubiquitinates M1-, K11-, K27-, and K29-linked polyubiquitination of ETS2. Furthermore, we determined that suppression of USP7 decreases the protein stability of ETS2 and inhibits the transcriptional activity of ETS2 by disrupting the binding between the GGAA/T core motif and ETS2. Therefore, we propose that USP7 can be a novel target in cancers related to the dysregulation of ETS2.
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Affiliation(s)
- Hong-Beom Park
- Department of Biomedical Science, CHA University, Gyeonggi-Do 13488, Republic of Korea
| | - Yosuk Min
- Department of Biomedical Science, CHA University, Gyeonggi-Do 13488, Republic of Korea
| | - Sohyun Hwang
- Department of Biomedical Science, CHA University, Gyeonggi-Do 13488, Republic of Korea; Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Gyeonggi-Do 13496, Republic of Korea
| | - Kwang-Hyun Baek
- Department of Biomedical Science, CHA University, Gyeonggi-Do 13488, Republic of Korea.
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Min Y, Park HB, Baek KH, Hwang S. Cellular Functions of Deubiquitinating Enzymes in Ovarian Adenocarcinoma. Genes (Basel) 2023; 14:genes14040886. [PMID: 37107644 PMCID: PMC10137459 DOI: 10.3390/genes14040886] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 04/02/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
In ovarian cancer patients, the 5-year survival rate is 90% for stages I and II, but only 30% for stages III and IV. Unfortunately, as 75% of the patients are diagnosed at stages III and IV, many experience a recurrence. To ameliorate this, it is necessary to develop new biomarkers for early diagnosis and treatment. The ubiquitin-proteasome system is a post-translational modification that plays an important role in regulating protein stability through ubiquitination. In particular, deubiquitinating enzymes (DUBs) regulate protein stability through deubiquitinating substrate proteins. In this review, DUBs and substrates regulated by these enzymes are summarized based on their functions in ovarian cancer cells. This would be useful for the discovery of biomarkers for ovarian cancer and developing new therapeutic candidates.
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Affiliation(s)
- Yosuk Min
- Department of Biomedical Science, CHA University, Seongnam 13488, Gyeonggi-do, Republic of Korea
| | - Hong-Beom Park
- Department of Biomedical Science, CHA University, Seongnam 13488, Gyeonggi-do, Republic of Korea
| | - Kwang-Hyun Baek
- Department of Biomedical Science, CHA University, Seongnam 13488, Gyeonggi-do, Republic of Korea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam 13496, Gyeonggi-do, Republic of Korea
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam 13496, Gyeonggi-do, Republic of Korea
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Tan HS, Plichta JK, Kong A, Tan CW, Hwang S, Sultana R, Wright MC, Sia ATH, Sng BL, Habib AS. Risk factors for persistent pain after breast cancer surgery: a multicentre prospective cohort study. Anaesthesia 2023; 78:432-441. [PMID: 36639918 DOI: 10.1111/anae.15958] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/07/2022] [Indexed: 01/15/2023]
Abstract
Identifying factors associated with persistent pain after breast cancer surgery may facilitate risk stratification and individualised management. Single-population studies have limited generalisability as socio-economic and genetic factors contribute to persistent pain development. Therefore, this prospective multicentre cohort study aimed to develop a predictive model from a sample of Asian and American women. We enrolled women undergoing elective breast cancer surgery at KK Women's and Children's Hospital and Duke University Medical Center. Pre-operative patient and clinical characteristics and EQ-5D-3L health status were recorded. Pain catastrophising scale; central sensitisation inventory; coping strategies questionnaire-revised; brief symptom inventory-18; perceived stress scale; mechanical temporal summation; and pressure-pain threshold assessments were performed. Persistent pain was defined as pain score ≥ 3 or pain affecting activities of daily living 4 months after surgery. Univariate associations were generated using generalised estimating equations. Enrolment site was forced into the multivariable model, and risk factors with p < 0.2 in univariate analyses were considered for backwards selection. Of 210 patients, 135 (64.3%) developed persistent pain. The multivariable model attained AUC = 0.807, with five independent associations: age (OR 0.85 95%CI 0.74-0.98 per 5 years); diabetes (OR 4.68, 95%CI 1.03-21.22); pre-operative pain score at sites other than the breast (OR 1.48, 95%CI 1.11-1.96); previous mastitis (OR 4.90, 95%CI 1.31-18.34); and perceived stress scale (OR 1.35, 95%CI 1.01-1.80 per 5 points), after adjusting for: enrolment site; pre-operative pain score at the breast; pre-operative overall pain score at rest; postoperative non-steroidal anti-inflammatory drug use; and pain catastrophising scale. Future research should validate this model and evaluate pre-emptive interventions to reduce persistent pain risk.
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Affiliation(s)
- H S Tan
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, Duke-NUS Medical School, Singapore
| | - J K Plichta
- Division of Surgical Oncology, Department of Surgery, Duke University Medical Center, Durham, NC, USA
| | - A Kong
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, Duke-NUS Medical School, Singapore
| | - C W Tan
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, Duke-NUS Medical School, Singapore
| | - S Hwang
- Division of Surgical Oncology, Department of Surgery, Duke University Medical Center, Durham, NC, USA
| | - R Sultana
- Centre for Quantitative Medicine, Singapore
| | - M C Wright
- Division of Women's Anesthesia, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
| | - A T H Sia
- KK Women's and Children's Hospital, Duke-NUS Medical School, Singapore
| | - B L Sng
- Department of Women's Anaesthesia, KK Women's and Children's Hospital, Duke-NUS Medical School, Singapore
| | - A S Habib
- Division of Women's Anesthesia, Department of Anesthesiology, Duke University Medical Center, Durham, NC, USA
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Kim JW, Kim S, Yang SY, Joung JG, Hwang S. T-Cell Receptor Repertoire Characteristics Associated with Prognostic Significance in High-Grade Serous Ovarian Carcinoma. Genes (Basel) 2023; 14:genes14040785. [PMID: 37107543 PMCID: PMC10137910 DOI: 10.3390/genes14040785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/20/2023] [Accepted: 03/22/2023] [Indexed: 04/29/2023] Open
Abstract
High-grade serous ovarian carcinoma (HGSOC) is a fatal gynecological malignancy. Somatic recombination occurring during T-cell receptor (TCR) development results in TCR diversity, and the TCR repertoire, thus produced, is associated with immune response. This study analyzed the difference in the TCR repertoire and their prognostic significance in 51 patients with HGSOC. The patient's clinical characteristics, gene expression pattern, TCR clonotypes, and degree of tumor-infiltrating leukocytes (TILs) were analyzed, and the patients were divided into groups depending on their recurrence pattern, tumor-infiltrating leukocyte (TIL) score, and homologous recombinant repair pathway deficiency (HRD)-associated mutations. The TCR repertoire was low in patients with recurrence and showed the expansion of eight TCR segments. Interestingly, a few genes correlated with the TCRs also showed a difference in expression according to the prognosis. Among them, seven genes were related to immune responses and KIAA1199 was up-regulated in ovarian cancer. Our study shows that the differences in the TCR repertoire in patients with ovarian cancer and their associated immune pathways could affect the prognosis of HGSOC.
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Affiliation(s)
- Ju-Won Kim
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Sewha Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam 13496, Republic of Korea
- Department of Pathology, Korea Medical Institute, Seoul 03173, Republic of Korea
| | - So-Yun Yang
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
| | - Je-Gun Joung
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
- Institute for Biomedical Informatics, CHA University School of Medicine, Seongnam 13488, Republic of Korea
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam 13488, Republic of Korea
| | - Sohyun Hwang
- Department of Biomedical Science, College of Life Science, CHA University, Seongnam 13488, Republic of Korea
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam 13496, Republic of Korea
- CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam 13488, Republic of Korea
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Lee J, Lee S, Lee J, Hwang S, Jee B, Kim J, Chung J, Song W, Sung H, Jeon H, Jeong B, Seo S, Jeon S, Lee H, Park S, Kwon G, Kang M. Prognostic value of fat loss in patients with metastatic clear cell renal cell carcinoma treated with immune checkpoint inhibition. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00385-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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Hwang S, Lim J, Kang H, Jeong JY, Joung JG, Heo J, Jung D, Cho K, An HJ. Predictive biomarkers for the responsiveness of recurrent glioblastomas to activated killer cell immunotherapy. Cell Biosci 2023; 13:17. [PMID: 36694264 PMCID: PMC9875464 DOI: 10.1186/s13578-023-00961-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/11/2023] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND Recurrent glioblastoma multiforme (GBM) is a highly aggressive primary malignant brain tumor that is resistant to existing treatments. Recently, we reported that activated autologous natural killer (NK) cell therapeutics induced a marked increase in survival of some patients with recurrent GBM. METHODS To identify biomarkers that predict responsiveness to NK cell therapeutics, we examined immune profiles in tumor tissues using NanoString nCounter analysis and compared the profiles between 5 responders and 7 non-responders. Through a three-step data analysis, we identified three candidate biomarkers (TNFRSF18, TNFSF4, and IL12RB2) and performed validation with qRT-PCR. We also performed immunohistochemistry and a NK cell migration assay to assess the function of these genes. RESULTS Responders had higher expression of many immune-signaling genes compared with non-responders, which suggests an immune-active tumor microenvironment in responders. The random forest model that identified TNFRSF18, TNFSF4, and IL12RB2 showed a 100% accuracy (95% CI 73.5-100%) for predicting the response to NK cell therapeutics. The expression levels of these three genes by qRT-PCR were highly correlated with the NanoString levels, with high Pearson's correlation coefficients (0.419 (TNFRSF18), 0.700 (TNFSF4), and 0.502 (IL12RB2)); their prediction performance also showed 100% accuracy (95% CI 73.54-100%) by logistic regression modeling. We also demonstrated that these genes were related to cytotoxic T cell infiltration and NK cell migration in the tumor microenvironment. CONCLUSION We identified TNFRSF18, TNFSF4, and IL12RB2 as biomarkers that predict response to NK cell therapeutics in recurrent GBM, which might provide a new treatment strategy for this highly aggressive tumor.
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Affiliation(s)
- Sohyun Hwang
- grid.410886.30000 0004 0647 3511Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea ,grid.452398.10000 0004 0570 1076CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam, Korea
| | - Jaejoon Lim
- grid.410886.30000 0004 0647 3511Department of Neurosurgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea
| | - Haeyoun Kang
- grid.410886.30000 0004 0647 3511Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea
| | - Ju-Yeon Jeong
- grid.452398.10000 0004 0570 1076CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam, Korea
| | - Je-Gun Joung
- grid.452398.10000 0004 0570 1076CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam, Korea ,grid.410886.30000 0004 0647 3511Department of Biomedical Science, CHA University, Seongnam, Korea
| | - Jinhyung Heo
- grid.410886.30000 0004 0647 3511Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea
| | - Daun Jung
- grid.410886.30000 0004 0647 3511Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea
| | - Kyunggi Cho
- grid.410886.30000 0004 0647 3511Department of Neurosurgery, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea
| | - Hee Jung An
- grid.410886.30000 0004 0647 3511Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, 59 Yatap-ro, Bundang-gu, Seongnam, 13496 Korea ,grid.452398.10000 0004 0570 1076CHA Future Medicine Research Institute, CHA Bundang Medical Center, Seongnam, Korea
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Lee S, Hwang S, Jo G, Kwon H, Kim J, Shin SY, Yoon H, Ko J, Shim SW, Chi HJ. DEEP LEARNING-ENABLED PREDICTION OF PREGNANCY BASED ON THE CHARACTERISTICS OF PATIENTS IN IVF-ET CYCLES. Fertil Steril 2022. [DOI: 10.1016/j.fertnstert.2022.08.351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Schneider D, Hwang S, Haase J, Miersemann E, Kärger J. Quantitating Diffusion Enhancement in Pore Hierarchies. Langmuir 2022; 38:11565-11572. [PMID: 36107750 DOI: 10.1021/acs.langmuir.2c01157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A microporous continuum traversed by a set of mutually perpendicular channels is considered to be a model for a hierarchically porous system of the mesoporous zeolite type. Transient profiles of molecular uptake as determined by kinetic Monte Carlo (kMC) simulation are found to be in excellent agreement with the result attained by the application of the two-region model (the Kärger model) of molecular diffusion. In particular, it is found that, in the two limiting cases referred to as fast exchange and slow exchange, there exist two simple analytical expressions for the rate of molecular uptake and hence for the quantification of transport enhancement in comparison with the purely microporous adsorbent. In the general case, transport enhancement is simply recognized by the reciprocal addition of the expressions in the two limiting cases.
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Affiliation(s)
- D Schneider
- Innovation Center Computer Assisted Surgery (ICCAS), Institute at the Medical Faculty, Leipzig University, Semmelweisstraße 14, 04103 Leipzig, Germany
| | - S Hwang
- Faculty of Physics and Earth Sciences, Leipzig University, Linnéstrasse 5, 04103 Leipzig, Germany
| | - J Haase
- Faculty of Physics and Earth Sciences, Leipzig University, Linnéstrasse 5, 04103 Leipzig, Germany
- Saxon Academy of Sciences and Humanities in Leipzig, Structural Commission "Propagation in Nature, Technology and Society" 04107 Leipzig, Karl-Tauchnitz-Straße 1, Germany
| | - E Miersemann
- Saxon Academy of Sciences and Humanities in Leipzig, Structural Commission "Propagation in Nature, Technology and Society" 04107 Leipzig, Karl-Tauchnitz-Straße 1, Germany
- Faculty of Mathematics and Informatics, Leipzig University, Augustusplatz 10, 04109 Leipzig, Germany
| | - J Kärger
- Faculty of Physics and Earth Sciences, Leipzig University, Linnéstrasse 5, 04103 Leipzig, Germany
- Saxon Academy of Sciences and Humanities in Leipzig, Structural Commission "Propagation in Nature, Technology and Society" 04107 Leipzig, Karl-Tauchnitz-Straße 1, Germany
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Park JD, Kim KS, Choi SH, Jo GH, Choi JH, Park SW, Ko ES, Lee M, Lee DK, Jang HJ, Hwang S, Jung HY, Park KS. ELK3 modulates the antitumor efficacy of natural killer cells against triple negative breast cancer by regulating mitochondrial dynamics. J Immunother Cancer 2022; 10:jitc-2022-004825. [PMID: 35858708 PMCID: PMC9305827 DOI: 10.1136/jitc-2022-004825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/27/2022] [Indexed: 11/05/2022] Open
Abstract
Background Triple negative breast cancer (TNBC) is the most lethal subtype of breast cancer due to its aggressive behavior and frequent development of resistance to chemotherapy. Although natural killer (NK) cell-based immunotherapy is a promising strategy for overcoming barriers to cancer treatment, the therapeutic efficacy of NK cells against TNBC is below expectations. E26 transformation-specific transcription factor ELK3 (ELK3) is highly expressed in TNBCs and functions as a master regulator of the epithelial-mesenchymal transition. Methods Two representative human TNBC cell lines, MDA-MB231 and Hs578T, were exposed to ELK3-targeting shRNA or an ELK3-expressing plasmid to modulate ELK3 expression. The downstream target genes of ELK3 were identified using a combined approach comprising gene expression profiling and molecular analysis. The role of ELK3 in determining the immunosensitivity of TNBC to NK cells was investigated in terms of mitochondrial fission–fusion transition and reactive oxygen species concentration both in vitro and in vivo. Results ELK3-dependent mitochondrial fission–fusion status was linked to the mitochondrial superoxide concentration in TNBCs and was a main determinant of NK cell-mediated immune responses. We identified mitochondrial dynamics proteins of 51 (Mid51), a major mediator of mitochondrial fission, as a direct downstream target of ELK3 in TNBCs. Also, we demonstrated that expression of ELK3 correlated inversely with that of Mid51, and that the ELK3-Mid51 axis is associated directly with the status of mitochondrial dynamics. METABRIC analysis revealed that the ELK3-Mid51 axis has a direct effect on the immune score and survival of patients with TNBC. Conclusions Taken together, the data suggest that NK cell responses to TNBC are linked directly to ELK3 expression levels, shedding new light on strategies to improve the efficacy of NK cell-based immunotherapy of TNBC.
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Affiliation(s)
- Joo Dong Park
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Kwang-Soo Kim
- Department of Neurosurgery, Lou and Jean Malnati Brain Tumor Institute, Robert H Lurie Comprehensive Cancer Center, Northwestern University Feinberg School of Medicine, Chicago, Illinois, USA
| | - Seung Hee Choi
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Gae Hoon Jo
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Jin-Ho Choi
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Si-Won Park
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Eun-Su Ko
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Minwook Lee
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Dae-Keum Lee
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Hye Jung Jang
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Sohyun Hwang
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Hae-Yun Jung
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
| | - Kyung-Soon Park
- Department of Biomedical Science, CHA University, Seongnam-si, Korea (the Republic of)
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Kwan Y, Lee J, Hwang S, Choi S. Social Hypersensitivity in Bipolar Disorder: An ERP Study. Eur Psychiatry 2022. [PMCID: PMC9563215 DOI: 10.1192/j.eurpsy.2022.425] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Introduction Bipolar Disorder (BD) is a disorder in which cognitive function is relatively preserved but social functioning is markedly impaired. Interestingly, studies on BD show that the patients have a strong desire for social rewards. Hypersensitivity to social rewards in BD has not yet been sufficiently examined through experimental methods, although recent studies have pointed out that their reward hypersensitivity is the cause of symptoms and dysfunction. Objectives The purpose of this study was to investigate whether patients with BD are hypersensitive to social rewards using the social value capture task. Methods Groups of 25 BD and healthy control (HC) each completed the social value attention capture task. This task consists of a practice phase in which associative learning of social rewards with specific stimuli occurs, and a test phase in which the stimuli associated with rewards appear as distractors during the participants performing a selective attention task. We also recorded event-related potential (ERP) in the practice phase in order to investigate BDs’ cortical activity for social reward. Results showed significantly decreased accuracy rate and increased reaction time in the high social reward-associated distractor trials of the test phase in the BD compared to the HC. As a result of analysis in ERP components, P3 amplitude for social reward was significantly greater in the BD than the HC. Conclusions BD patients exhibit behavioral and physiological hypersensitivity to social rewards that might contribute to social dysfunction. Disclosure No significant relationships.
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Kwon AY, Jeong JY, Park H, Hwang S, Kim G, Kang H, Heo JH, Lee HJ, Kim TH, An HJ. miR-22-3p and miR-30e-5p Are Associated with Prognosis in Cervical Squamous Cell Carcinoma. Int J Mol Sci 2022; 23:5623. [PMID: 35628433 PMCID: PMC9144648 DOI: 10.3390/ijms23105623] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 05/11/2022] [Accepted: 05/16/2022] [Indexed: 02/01/2023] Open
Abstract
Alteration in expression of miRNAs can cause various malignant changes and the metastatic process. Our aim was to identify the miRNAs involved in cervical squamous cell carcinoma (SqCC) and metastasis, and to test their utility as indicators of metastasis and survival. Using microarray technology, we performed miRNA expression profiling on primary cervical SqCC tissue (n = 6) compared with normal control (NC) tissue and compared SqCC that had (SqC-M; n = 3) and had not (SqC-NM; n = 3) metastasized. Four miRNAs were selected for validation by qRT-PCR on 29 SqC-NM and 27 SqC-M samples, and nine metastatic lesions (ML-SqC), from a total of 56 patients. Correlation of miRNA expression and clinicopathological parameters was analyzed to evaluate the clinical impact of candidate miRNAs. We found 40 miRNAs differentially altered in cervical SqCC tissue: 21 miRNAs were upregulated and 19 were downregulated (≥2-fold, p < 0.05). Eight were differentially altered in SqC-M compared with SqC-NM samples: four were upregulated (miR-494, miR-92a-3p, miR-205-5p, and miR-221-3p), and four were downregulated (miR-574-3p, miR-4769-3p, miR-1281, and miR-1825) (≥1.5-fold, p < 0.05). MiR-22-3p might be a metastamiR, which was gradually further downregulated in SqC-NM > SqC-M > ML-SqC. Downregulation of miR-30e-5p significantly correlated with high stage, lymph node metastasis, and low survival rate, suggesting an independent poor prognostic factor.
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Affiliation(s)
- Ah-Young Kwon
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Ju-Yeon Jeong
- CHA Future Medical Research Institute, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea;
| | - Hyun Park
- Department of Gynecological Oncology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea;
| | - Sohyun Hwang
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Gwangil Kim
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Haeyoun Kang
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Jin-Hyung Heo
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Hye Jin Lee
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
| | - Tae-Heon Kim
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
| | - Hee Jung An
- Department of Pathology, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea; (A.-Y.K.); (S.H.); (G.K.); (H.K.); (J.-H.H.); (H.J.L.); (T.-H.K.)
- Institute of Clinical Research, CHA University College of Medicine, Seongnam 13496, Gyeonggi-do, Korea
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Lee T, Chung H, Chung J, Hur M, Hwang S, Song Y, Lee D. M168 Automation of harboe method for the measurement of plasma free hemoglobin. Clin Chim Acta 2022. [DOI: 10.1016/j.cca.2022.04.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Kim S, Hwang S. G-Quadruplex Matters in Tissue-Specific Tumorigenesis by BRCA1 Deficiency. Genes (Basel) 2022; 13:genes13030391. [PMID: 35327946 PMCID: PMC8948836 DOI: 10.3390/genes13030391] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/17/2022] [Accepted: 02/18/2022] [Indexed: 12/14/2022] Open
Abstract
How and why distinct genetic alterations, such as BRCA1 mutation, promote tumorigenesis in certain tissues, but not others, remain an important issue in cancer research. The underlying mechanisms may reveal tissue-specific therapeutic vulnerabilities. Although the roles of BRCA1, such as DNA damage repair and stalled fork stabilization, obviously contribute to tumor suppression, these ubiquitously important functions cannot explain tissue-specific tumorigenesis by BRCA1 mutations. Recent advances in our understanding of the cancer genome and fundamental cellular processes on DNA, such as transcription and DNA replication, have provided new insights regarding BRCA1-associated tumorigenesis, suggesting that G-quadruplex (G4) plays a critical role. In this review, we summarize the importance of G4 structures in mutagenesis of the cancer genome and cell type-specific gene regulation, and discuss a recently revealed molecular mechanism of G4/base excision repair (BER)-mediated transcriptional activation. The latter adequately explains the correlation between the accumulation of unresolved transcriptional regulatory G4s and multi-level genomic alterations observed in BRCA1-associated tumors. In summary, tissue-specific tumorigenesis by BRCA1 deficiency can be explained by cell type-specific levels of transcriptional regulatory G4s and the role of BRCA1 in resolving it. This mechanism would provide an integrated understanding of the initiation and development of BRCA1-associated tumors.
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Affiliation(s)
- Sanghyun Kim
- Department of Biomedical Science, College of Life Science, CHA University, Sungnam 13488, Korea;
| | - Sohyun Hwang
- Department of Biomedical Science, College of Life Science, CHA University, Sungnam 13488, Korea;
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Sungnam 13496, Korea
- Correspondence:
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Kim M, Hwang J, Kim KA, Hwang S, Lee HJ, Jung JY, Lee JG, Cha YJ, Shim HS. Genomic characteristics of invasive mucinous adenocarcinoma of the lung with multiple pulmonary sites of involvement. Mod Pathol 2022; 35:202-209. [PMID: 34290355 PMCID: PMC8786658 DOI: 10.1038/s41379-021-00872-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 07/01/2021] [Accepted: 07/02/2021] [Indexed: 12/13/2022]
Abstract
Invasive mucinous adenocarcinoma (IMA) of the lung frequently presents with diffuse pneumonic-type features or multifocal lesions, which are regarded as a pattern of intrapulmonary metastases. However, the genomics of multifocal IMAs have not been well studied. We performed whole exome sequencing on samples taken from 2 to 5 regions in seven patients with synchronous multifocal IMAs of the lung (24 regions total). Early initiating driver events, such as KRAS, NKX2-1, TP53, or ARID1A mutations, are clonal mutations and were present in all multifocal IMAs in each patient. The tumor mutational burden of multifocal IMAs was low (mean: 1.13/mega base), but further analyses suggested intra-tumor heterogeneity. The mutational signature analysis found that IMAs were predominantly associated with endogenous mutational process (signature 1), APOBEC activity (signatures 2 and 13), and defective DNA mismatch repair (signature 6), but not related to smoking signature. IMAs synchronously located in the bilateral lower lobes of two patients with background usual interstitial pneumonia had different mutation types, suggesting that they were double primaries. In conclusion, genomic evidence found in this study indicated the clonal intrapulmonary spread of diffuse pneumonic-type or multifocal IMAs, although they can occur in multicentric origins in the background of usual interstitial pneumonia. IMAs exhibited a heterogeneous genomic landscape despite the low somatic mutation burden. Further studies are warranted to determine the clinical significance of the genomic characteristics of IMAs in expanded cohorts.
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Affiliation(s)
- Moonsik Kim
- Department of Pathology, Kyungpook National University Chilgok Hospital, Kyungpook National University School of Medicine, Daegu, Republic of Korea
| | - Jinha Hwang
- Macrogen Inc., Seoul, Republic of Korea
- Department of Laboratory Medicine, Korea University Anam Hospital, Seoul, Republic of Korea
| | - Kyung A Kim
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Sohyun Hwang
- Department of Pathology, CHA University School of Medicine, Seongnam, Republic of Korea
| | - Hye-Jeong Lee
- Department of Radiology and Research Institute of Radiological Science, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Ji Ye Jung
- Division of Pulmonology, Department of Internal Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jin Gu Lee
- Department of Thoracic and Cardiovascular Surgery, Severance Hospital, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Yoon Jin Cha
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hyo Sup Shim
- Department of Pathology, Yonsei University College of Medicine, Seoul, Republic of Korea.
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Moreira R, Richetti R, Vidotti S, Hwang S, Mendonça A, Machado A, Mendonça R, Toledo L. Capio TM Slim Suture Device x Tissue Anchoring System has different results in treatment of advanced pelvic organ prolapse? Prospective and Randomized study: Partial Results with 12 months follow-up. Eur Urol 2022. [DOI: 10.1016/s0302-2838(22)01060-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Seo D, Hwang S, Kim B, Yang Y, Yoon S, Cho BK. Tunable asymmetric spin wave excitation and propagation in a magnetic system with two rectangular blocks. Sci Rep 2021; 11:24385. [PMID: 34934064 PMCID: PMC8692326 DOI: 10.1038/s41598-021-02967-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/24/2021] [Indexed: 11/09/2022] Open
Abstract
Asymmetric spin wave excitation and propagation are key properties to develop spin-based electronics, such as magnetic memory, spin information and logic devices. To date, such nonreciprocal effects cannot be manipulated in a system because of the geometrical magnetic configuration, while large values of asymmetry ratio are achieved. In this study, we suggest a new magnetic system with two blocks, in which the asymmetric intensity ratio can be changed between 0.276 and 1.43 by adjusting the excitation frequency between 7.8 GHz and 9.4 GHz. Because the two blocks have different widths, they have their own spin wave excitation frequency ranges. Indeed, the spin wave intensities in the two blocks, detected by the Brillouin light scattering spectrum, were observed to be frequency-dependent, yielding tuneable asymmetry ratio. Thus, this study provides a new path to enhance the application of spin waves in spin-based electronics.
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Affiliation(s)
- Dongpyo Seo
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - S Hwang
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Byungro Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Yeonhee Yang
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea
| | - Seungha Yoon
- Green Energy & Nano Technology R&D Group, Korea Institute of Industrial Technology (KITECH), Gwangju, 61012, Republic of Korea
| | - B K Cho
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju, 61005, Republic of Korea.
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Kim S, Hwang S. Preclinical Drug Response Metric Based on Cellular Response Phenotype Provides Better Pharmacogenomic Variables with Phenotype Relevance. Pharmaceuticals (Basel) 2021; 14:ph14121324. [PMID: 34959724 PMCID: PMC8707441 DOI: 10.3390/ph14121324] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Revised: 12/11/2021] [Accepted: 12/15/2021] [Indexed: 11/16/2022] Open
Abstract
High-throughput screening of drug response in cultured cell lines is essential for studying therapeutic mechanisms and identifying molecular variants associated with sensitivity to drugs. Assessment of drug response is typically performed by constructing a dose-response curve of viability and summarizing it to a representative, such as IC50. However, this is limited by its dependency on the assay duration and lack of reflections regarding actual cellular response phenotypes. To address these limitations, we consider how each response-phenotype contributes to the overall growth behavior and propose an alternative method of drug response screening that takes into account the cellular response phenotype. In conventional drug response screening methods, the ranking of sensitivity depends on either the metric used to construct the dose-response curve or the representative factor used to summarize the curve. This ambiguity in conventional assessment methods is due to the fact that assessment methods are not consistent with the underlying principles of population dynamics. Instead, the suggested phenotype metrics provide all phenotypic rates of change that shape overall growth behavior at a given dose and better response classification, including the phenotypic mechanism of overall growth inhibition. This alternative high-throughput drug-response screening would improve preclinical pharmacogenomic analysis and the understanding of a therapeutic mechanism of action.
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Affiliation(s)
- Sanghyun Kim
- Department of Biomedical Science, College of Life Science, CHA University, Sungnam 13488, Korea
- Correspondence: (S.K.); (S.H.)
| | - Sohyun Hwang
- Department of Biomedical Science, College of Life Science, CHA University, Sungnam 13488, Korea
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam 13496, Korea
- Correspondence: (S.K.); (S.H.)
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25
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Jung D, Baek YS, Lee IJ, Kim KY, Jang H, Hwang S, Jung J, Moon YW, Park KS, Choi YS, An HJ. Ex vivo expanded allogeneic natural killer cells have potent cytolytic activity against cancer cells through different receptor-ligand interactions. J Exp Clin Cancer Res 2021; 40:333. [PMID: 34686187 PMCID: PMC8539797 DOI: 10.1186/s13046-021-02089-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 08/30/2021] [Indexed: 12/28/2022]
Abstract
Background Recently, allogeneic natural killer (NK) cells have gained considerable attention as promising immunotherapeutic tools due to their unique biological functions and characteristics. Although many NK expansion strategies have been reported previously, a deeper understanding of cryopreserved allogeneic NK cells is needed for specific therapeutic approaches. Methods We isolated CD3−CD56+ primary natural killer (pNK) cells from healthy donors and expanded them ex vivo using a GMP-compliant method without any feeder to generate large volumes of therapeutic pNK cells and cryopreserved stocks. After validation for high purity and activating phenotypes, we performed RNA sequencing of the expanded and cryopreserved pNK cells. The pNK cells were used against various cancer cell lines in 7-AAD/CFSE cytotoxicity assay. For in vivo efficacy study, NSG mice bearing subcutaneous cisplatin-resistant A2780cis xenografts were treated with our pNK cells or cisplatin. Antitumor efficacy was assessed by measuring tumor volume and weight. Results Compared to the pNK cells before expansion, pNK cells after expansion showed 2855 upregulated genes, including genes related to NK cell activation, cytotoxicity, chemokines, anti-apoptosis, and proliferation. Additionally, the pNK cells showed potent cytolytic activity against various cancer cell lines. Interestingly, our activated pNK cells showed a marked increase in NKp44 (1064-fold), CD40L (12,018-fold), and CCR5 (49-fold), and did not express the programmed cell death protein 1(PD-1). We also demonstrated the in vitro and in vivo efficacies of pNK cells against cisplatin-resistant A2780cis ovarian cancer cells having a high programmed death-ligand 1(PD-L1) and low HLA-C expression. Conclusions Taken together, our study provides the first comprehensive genome wide analysis of ex vivo-expanded cryopreserved pNK cells. It also indicates the potential use of expanded and cryopreserved pNK cells as a highly promising immunotherapy for anti-cancer drug resistant patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13046-021-02089-0.
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Affiliation(s)
- Daun Jung
- Department of Pathology, CHA Bundang Medical Center, CHA University, 59 Yatapro Sungnam, Gyeonggi-do, Seongnam, Republic of Korea
| | - Young Seok Baek
- Immunotherapy Team, New Biological Entity (NBE) Research, R&D Division, CHA Biotech, Seongnam, Republic of Korea.,Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - In Jee Lee
- Immunotherapy Team, New Biological Entity (NBE) Research, R&D Division, CHA Biotech, Seongnam, Republic of Korea
| | - Ki Yeon Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, 59 Yatapro Sungnam, Gyeonggi-do, Seongnam, Republic of Korea
| | - Heejoo Jang
- Department of Pathology, CHA Bundang Medical Center, CHA University, 59 Yatapro Sungnam, Gyeonggi-do, Seongnam, Republic of Korea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University, 59 Yatapro Sungnam, Gyeonggi-do, Seongnam, Republic of Korea
| | - Jieun Jung
- Center for Research & Development, CHA Advanced Research Institute, Seongnam, Republic of Korea
| | - Yong-Wha Moon
- Department of Medical Oncology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Kyung-Soon Park
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Yong-Soo Choi
- Department of Biomedical Science, CHA University, Seongnam, Republic of Korea
| | - Hee Jung An
- Department of Pathology, CHA Bundang Medical Center, CHA University, 59 Yatapro Sungnam, Gyeonggi-do, Seongnam, Republic of Korea.
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26
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Kim SY, Lee S, Seo GH, Kim BJ, Oh DY, Han JH, Park MK, Lee SM, Kim B, Yi N, Kim NJ, Koh DH, Hwang S, Keum C, Choi BY. Powerful use of automated prioritization of candidate variants in genetic hearing loss with extreme etiologic heterogeneity. Sci Rep 2021; 11:19476. [PMID: 34593925 PMCID: PMC8484668 DOI: 10.1038/s41598-021-99007-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 08/17/2021] [Indexed: 01/02/2023] Open
Abstract
Variant prioritization of exome sequencing (ES) data for molecular diagnosis of sensorineural hearing loss (SNHL) with extreme etiologic heterogeneity poses a significant challenge. This study used an automated variant prioritization system (“EVIDENCE”) to analyze SNHL patient data and assess its diagnostic accuracy. We performed ES of 263 probands manifesting mild to moderate or higher degrees of SNHL. Candidate variants were classified according to the 2015 American College of Medical Genetics guidelines, and we compared the accuracy, call rates, and efficiency of variant prioritizations performed manually by humans or using EVIDENCE. In our in silico panel, 21 synthetic cases were successfully analyzed by EVIDENCE. In our cohort, the ES diagnostic yield for SNHL by manual analysis was 50.19% (132/263) and 50.95% (134/263) by EVIDENCE. EVIDENCE processed ES data 24-fold faster than humans, and the concordant call rate between humans and EVIDENCE was 97.72% (257/263). Additionally, EVIDENCE outperformed human accuracy, especially at discovering causative variants of rare syndromic deafness, whereas flexible interpretations that required predefined specific genotype–phenotype correlations were possible only by manual prioritization. The automated variant prioritization system remarkably facilitated the molecular diagnosis of hearing loss with high accuracy and efficiency, fostering the popularization of molecular genetic diagnosis of SNHL.
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Affiliation(s)
- So Young Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Seungmin Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.,R&D Center, ENCell Co. Ltd, Seoul, Republic of Korea
| | - Go Hun Seo
- 3billion, Inc., Seoul, Republic of Korea
| | - Bong Jik Kim
- Department of Otolaryngology-Head and Neck Surgery, Chungnam National University Sejong Hospital, College of Medicine, Chungnam National University, Daejeon, Republic of Korea
| | - Doo Yi Oh
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Jin Hee Han
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Moo Kyun Park
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - So Min Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Bonggi Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Nayoung Yi
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea
| | - Namju Justin Kim
- Department of Biological Sciences, Vanderbilt University, Nashville, USA
| | - Doo Hyun Koh
- Department of Biomedical Science, The Graduate School, CHA University, Seongnam, Republic of Korea
| | - Sohyun Hwang
- Department of Biomedical Science, The Graduate School, CHA University, Seongnam, Republic of Korea.,Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam, Republic of Korea
| | | | - Byung Yoon Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seongnam, Republic of Korea.
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Kim MJ, Kim YS, Kim YJ, Lee HR, Choi KH, Park EA, Kang KY, Yoon TK, Hwang S, Ko JJ, Kim YS, Lee JH. Upregulation of Low-Density Lipoprotein Receptor of the Steroidogenesis Pathway in the Cumulus Cells Is Associated with the Maturation of Oocytes and Achievement of Pregnancy. Cells 2021; 10:cells10092389. [PMID: 34572039 PMCID: PMC8465166 DOI: 10.3390/cells10092389] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 09/03/2021] [Accepted: 09/07/2021] [Indexed: 01/29/2023] Open
Abstract
The maturation of the oocyte is influenced by cumulus cells (CCs) and associated with pregnancy rate, whereas the influencing factors have not been completely elucidated in the CCs. In this study, we identified new regulators of CCs for high-quality oocytes and successful pregnancies during assisted reproductive techniques. CCs were collected from cumulus–oocyte complexes (COCs) in young (≤33 years old) and old (≥40 years old) women undergoing intracytoplasmic sperm injection (ICSI) procedures. We screened for factors differentially expressed between young vs. old CCs and pregnancy vs. non-pregnancy using whole mRNA-seq-next-generation sequencing (NGS). We characterized the transcriptome of the CCs to identify factors critical for achieving pregnancy in IVF cycles. Women in the young and old pregnancy groups exhibited the up- and downregulation of multiple genes compared with the non-pregnancy groups, revealing the differential regulation of several specific genes involved in ovarian steroidogenesis in CCs. It was shown that the low-density lipoprotein (LDL) receptor to the steroidogenesis pathway was upregulated in CCs with higher maturity rates of oocytes in the pregnancy group. In conclusion, a higher pregnancy rate is related to the signaling pathway of steroidogenesis by the LDL receptor in infertile women undergoing IVF procedures.
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Affiliation(s)
- Myung Joo Kim
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
- Department of Obstetrics and Gynecology, CHA University School of Medicine, Seoul 04637, Korea
| | - Young Sang Kim
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
- Department of Obstetrics and Gynecology, CHA University School of Medicine, Seoul 04637, Korea
| | - Yu Jin Kim
- Laboratory of Reproductive and Molecular Medicine, CHA Fertility Center Seoul Station, Seoul 04637, Korea;
| | - Hye Ran Lee
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
| | - Kyoung Hee Choi
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
| | - Eun A Park
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
| | - Ki Ye Kang
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
| | - Tae Ki Yoon
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
- Department of Obstetrics and Gynecology, CHA University School of Medicine, Seoul 04637, Korea
| | - Sohyun Hwang
- CHA Bundang Medical Center, CHA University, Seongnam 13496, Korea;
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon 11160, Korea
| | - Jung Jae Ko
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon 11160, Korea
- Correspondence: (J.J.K.); (Y.S.K.); (J.H.L.); Tel.: +82-31-881-7133 (J.J.K.); +82-2-2002-0300 (Y.S.K); +82-2-2002-0406 (J.H.L.)
| | - You Shin Kim
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
- Department of Obstetrics and Gynecology, CHA University School of Medicine, Seoul 04637, Korea
- Correspondence: (J.J.K.); (Y.S.K.); (J.H.L.); Tel.: +82-31-881-7133 (J.J.K.); +82-2-2002-0300 (Y.S.K); +82-2-2002-0406 (J.H.L.)
| | - Jae Ho Lee
- CHA Fertility Center Seoul Station, Seoul 04637, Korea; (M.J.K.); (Y.S.K.); (H.R.L.); (K.H.C.); (E.A.P.); (K.Y.K.); (T.K.Y.)
- Laboratory of Reproductive and Molecular Medicine, CHA Fertility Center Seoul Station, Seoul 04637, Korea;
- Department of Biomedical Science, College of Life Science, CHA University, Pocheon 11160, Korea
- Correspondence: (J.J.K.); (Y.S.K.); (J.H.L.); Tel.: +82-31-881-7133 (J.J.K.); +82-2-2002-0300 (Y.S.K); +82-2-2002-0406 (J.H.L.)
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Klemen N, Hwang S, Bradic M, Rosenbaum E, Dickson M, Gounder M, Kelly C, Keohan M, Movva S, Thornton K, Chi P, Nacev B, Chan J, Bartlett E, Richards A, Singer S, Donoghue M, Tap W, D'Angelo S. 1527MO Biomarkers of response and hyperprogression in patients with sarcoma treated with checkpoint blockade. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.857] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Kang H, Choi MC, Kim S, Jeong JY, Kwon AY, Kim TH, Kim G, Joo WD, Park H, Lee C, Song SH, Jung SG, Hwang S, An HJ. USP19 and RPL23 as Candidate Prognostic Markers for Advanced-Stage High-Grade Serous Ovarian Carcinoma. Cancers (Basel) 2021; 13:cancers13163976. [PMID: 34439131 PMCID: PMC8391231 DOI: 10.3390/cancers13163976] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/02/2021] [Accepted: 08/03/2021] [Indexed: 11/16/2022] Open
Abstract
Ovarian cancer is one of the leading causes of deaths among patients with gynecological malignancies worldwide. In order to identify prognostic markers for ovarian cancer, we performed RNA-sequencing and analyzed the transcriptome data from 51 patients who received conventional therapies for high-grade serous ovarian carcinoma (HGSC). Patients with early-stage (I or II) HGSC exhibited higher immune gene expression than patients with advanced stage (III or IV) HGSC. In order to predict the prognosis of patients with HGSC, we created machine learning-based models and identified USP19 and RPL23 as candidate prognostic markers. Specifically, patients with lower USP19 mRNA levels and those with higher RPL23 mRNA levels had worse prognoses. This model was then used to analyze the data of patients with HGSC hosted on The Cancer Genome Atlas; this analysis validated the prognostic abilities of these two genes with respect to patient survival. Taken together, the transcriptome profiles of USP19 and RPL23 determined using a machine-learning model could serve as prognostic markers for patients with HGSC receiving conventional therapy.
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Affiliation(s)
- Haeyoun Kang
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
- Center for Cancer Precision Medicine, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea;
| | - Min Chul Choi
- Center for Cancer Precision Medicine, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea;
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Sewha Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
| | - Ju-Yeon Jeong
- CHA Advanced Research Institute, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea;
| | - Ah-Young Kwon
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
| | - Tae-Hoen Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
| | - Gwangil Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
| | - Won Duk Joo
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Hyun Park
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Chan Lee
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Seung Hun Song
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Sang Geun Jung
- Comprehensive Gynecologic Cancer Center, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (W.D.J.); (H.P.); (C.L.); (S.H.S.); (S.G.J.)
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
- Center for Cancer Precision Medicine, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea;
- Department of Biomedical Science, CHA University, Pocheon-si 11160, Gyeonggi-do, Korea
- Correspondence: (S.H.); (H.J.A.); Tel.: +82-317804859 (S.H.); +82-317805045 (H.J.A.)
| | - Hee Jung An
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea; (H.K.); (S.K.); (A.-Y.K.); (T.-H.K.); (G.K.)
- Center for Cancer Precision Medicine, CHA Bundang Medical Center, CHA University, Seongnam-si 13496, Gyeonggi-do, Korea;
- Correspondence: (S.H.); (H.J.A.); Tel.: +82-317804859 (S.H.); +82-317805045 (H.J.A.)
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30
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Yamada D, Vu S, Wu X, Shi Z, Huynh M, Zheng J, Hwang S. 153 A specific mutation in TRPM4 predisposes mice to psoriasiform dermatitis (PsD). J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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31
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Cho HD, Kim KH, Yoon YI, Kang WH, Jung DH, Park GC, Hwang S, Ahn CS, Moon DB, Ha TY, Song GW, Park JI, Lee SG. Comparing purely laparoscopic versus open living donor right hepatectomy: propensity score-matched analysis. Br J Surg 2021; 108:e233-e234. [PMID: 33821995 DOI: 10.1093/bjs/znab090] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Revised: 01/20/2021] [Accepted: 02/16/2021] [Indexed: 12/14/2022]
Affiliation(s)
- H-D Cho
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - K-H Kim
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - Y-I Yoon
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - W-H Kang
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - D-H Jung
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - G-C Park
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - S Hwang
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - C-S Ahn
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - D-B Moon
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - T-Y Ha
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - G-W Song
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
| | - J-I Park
- Department of Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - S-G Lee
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Ulsan University and Asan Medical Centre, Seoul, Korea
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Chang JG, Yoon YI, Lee SG, Hwang S, Kim KH, Ahn CS, Moon DB, Ha TY, Song GW, Jung DH, Park GC, Park JI. Single-Center Experience of Living Donor Liver Transplantation for Patients With Secondary Biliary Cirrhosis. Transplant Proc 2020; 53:98-103. [PMID: 33339650 DOI: 10.1016/j.transproceed.2020.10.044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 10/09/2020] [Accepted: 10/30/2020] [Indexed: 11/29/2022]
Abstract
BACKGROUND Secondary biliary cirrhosis (SBC) represents a unique form of cirrhosis that develops in the liver secondary to persistent biliary obstruction. This study aimed to review the living donor liver transplants (LDLTs) performed at our center for patients with SBC and end-stage liver disease and to share the perioperative strategies undertaken to achieve satisfactory outcomes. METHODS The medical records of 29 patients who underwent LDLT for SBC between December 1994 and July 2018 at the Asan Medical Center (Seoul, South Korea) were retrospectively reviewed. Their clinical data were extracted and statistically analyzed. Survival curves were computed. RESULTS The perioperative and in-hospital morbidity rates were 72.4% and 10.3%, respectively. The overall mean recipient follow-up was 80.0 (SD, 66.4) months (range, 0.8-246.8 months). Patient survival rates after 1, 3, 5, and 10 years after transplant were 82.8%, 79.3%, 79.3%, and 79.3%, respectively. For liver grafts, the survival rates were 82.8%, 75.8%, 75.8%, and 75.8% at 1, 3, 5, and 10 years, respectively. CONCLUSIONS LDLT is potentially a final lifesaving resort for patients with SBC with portal hypertension. However, considering the difficulty of surgery and perioperative management, LDLT should be performed by experienced transplant surgeons in a center where a multidisciplinary approach is possible.
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Affiliation(s)
- Jin-Gi Chang
- Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Young-In Yoon
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea.
| | - Sung-Gyu Lee
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - S Hwang
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Ki-Hun Kim
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Chul-Soo Ahn
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Deok-Bog Moon
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Tae-Yong Ha
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Gi-Won Song
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Dong-Hwan Jung
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Gil-Chun Park
- Division of Hepatobiliary Surgery and Liver Transplantation, Department of Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, South Korea
| | - Jeong-Ik Park
- Department of Surgery, Haeundae Paik Hospital, Inje University College of Medicine, Busan, South Korea
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Pandey K, Park N, Park KS, Hur J, Cho YB, Kang M, An HJ, Kim S, Hwang S, Moon YW. Combined CDK2 and CDK4/6 Inhibition Overcomes Palbociclib Resistance in Breast Cancer by Enhancing Senescence. Cancers (Basel) 2020; 12:E3566. [PMID: 33260316 PMCID: PMC7768442 DOI: 10.3390/cancers12123566] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/26/2020] [Accepted: 11/27/2020] [Indexed: 12/19/2022] Open
Abstract
Breast cancer represents the number one global cancer burden in women and the hormone receptor (HR)-positive subtype comprises approximately 70% of breast cancers. Unfortunately, acquired resistance ultimately occurs in almost all cases, even though cyclin-dependent kinase 4 and 6 (CDK4/6) inhibitors are a highly effective therapy for HR-positive/human epidermal growth factor receptor 2-negative subtype. Here, we investigated mechanisms of resistance to CDK4/6 inhibitor and potential therapeutic strategies using our palbociclib-resistant preclinical model. We observed that cyclin E was significantly overexpressed in palbociclib-resistant cells, and similar association was also confirmed in pleural effusion samples collected from HR-positive breast cancer patients. After confirmation of cyclin E-CDK2 interaction by co-immunoprecipitation, we demonstrated CDK2 inhibition combined with palbociclib synergistically suppressed proliferation of palbociclib-resistant cells and growth of palbociclib-resistant xenograft in mice. We also proved that enhancing C-MYC-mediated senescence is a novel mechanism behind the synergism created by targeting both CDK2 and CDK4/6. Furthermore, the clinical relevance of cyclin E as a therapeutic target was supported by significant association between CCNE1 overexpression and poor prognosis based on large-scale public gene expression data sets in HR-positive breast cancer patients. Therefore, we propose cyclin E-CDK2 signaling as a promising therapeutic target for overcoming cyclin E-associated resistance to CDK4/6 inhibitor.
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Affiliation(s)
- Kamal Pandey
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
- Department of Biomedical Science, CHA University, Seongnam 13488, Korea; (K.-S.P.); (S.H.)
| | - Nahee Park
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
| | - Kyung-Soon Park
- Department of Biomedical Science, CHA University, Seongnam 13488, Korea; (K.-S.P.); (S.H.)
| | - Jin Hur
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
- Department of Biomedical Science, CHA University, Seongnam 13488, Korea; (K.-S.P.); (S.H.)
| | - Yong Bin Cho
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
| | - Minsil Kang
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
| | - Hee-Jung An
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (H.-J.A.); (S.K.)
| | - Sewha Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (H.-J.A.); (S.K.)
| | - Sohyun Hwang
- Department of Biomedical Science, CHA University, Seongnam 13488, Korea; (K.-S.P.); (S.H.)
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (H.-J.A.); (S.K.)
| | - Yong Wha Moon
- Hematology and Oncology, Department of Internal Medicine, CHA Bundang Medical Center, CHA University, Seongnam 13488, Korea; (K.P.); (N.P.); (J.H.); (Y.B.C.); (M.K.)
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Jung M, Lee CK, Kim H, Ock CY, Bae J, Lee J, Kang D, Hwang S, Hahm K, Kim SJ, Chung H, Rha S. 1453P Safety and efficacy of vactosertib, a TGF-βR1 kinase inhibitor, in combination with paclitaxel in patients with metastatic gastric adenocarcinoma. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.1959] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Shi Z, Wan Y, Hwang S. 318 Short-term exposure to Western diet (WD) predisposes mice to psoriasis-like skin and joint inflammation. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Wu X, Shi Z, Hsu D, Huynh M, Yamada D, Chong J, Mendoza L, Hwang S. 857 An in vitro assay of inflammatory monocyte-keratinocyte activation predicts in vivo activity of BET inhibitors in a preclinical model of psoriasis. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Toussi A, Merleev A, Yamada D, Shi Z, Le S, Marusina A, Luxardi G, Adamopoulos I, Hwang S, Gudjonsson J, Maverakis E. 284 Identification of psoriasis-protective chemokine, FAM19A5, and IL17D expression in psoriatic skin. J Invest Dermatol 2020. [DOI: 10.1016/j.jid.2020.03.290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Hwang S, Kim CY, Yang S, Kim E, Hart T, Marcotte EM, Lee I. HumanNet v2: human gene networks for disease research. Nucleic Acids Res 2020; 47:D573-D580. [PMID: 30418591 PMCID: PMC6323914 DOI: 10.1093/nar/gky1126] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Accepted: 10/25/2018] [Indexed: 12/15/2022] Open
Abstract
Human gene networks have proven useful in many aspects of disease research, with numerous network-based strategies developed for generating hypotheses about gene-disease-drug associations. The ability to predict and organize genes most relevant to a specific disease has proven especially important. We previously developed a human functional gene network, HumanNet, by integrating diverse types of omics data using Bayesian statistics framework and demonstrated its ability to retrieve disease genes. Here, we present HumanNet v2 (http://www.inetbio.org/humannet), a database of human gene networks, which was updated by incorporating new data types, extending data sources and improving network inference algorithms. HumanNet now comprises a hierarchy of human gene networks, allowing for more flexible incorporation of network information into studies. HumanNet performs well in ranking disease-linked gene sets with minimal literature-dependent biases. We observe that incorporating model organisms’ protein–protein interactions does not markedly improve disease gene predictions, suggesting that many of the disease gene associations are now captured directly in human-derived datasets. With an improved interactive user interface for disease network analysis, we expect HumanNet will be a useful resource for network medicine.
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Affiliation(s)
- Sohyun Hwang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea.,Center for Systems and Synthetic Biology, Institute for Cellular and Molecular Biology, University of Texas, Austin, TX 78712, USA.,Department of Biomedical Science, College of Life Science, CHA University, Seongnam-si 13496, Korea
| | - Chan Yeong Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | - Sunmo Yang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
| | - Eiru Kim
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Traver Hart
- Department of Bioinformatics and Computational Biology, The University of Texas MD Anderson Cancer Center, Houston, TX USA
| | - Edward M Marcotte
- Center for Systems and Synthetic Biology, Institute for Cellular and Molecular Biology, University of Texas, Austin, TX 78712, USA.,Department of Molecular Biosciences, University of Texas at Austin, TX 78712, USA
| | - Insuk Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Korea
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Lee Y, Koo H, Kim M, Lee J, Hwang S, Moon J, Park H, Sung A, Choi Y, Jun H, Nam E. Neuroregenerative evidences demonstrated by diverse MRI analysis in cerebral palsy children who showed significant clinical improvement following repeated G-CSF injection. Cytotherapy 2020. [DOI: 10.1016/j.jcyt.2020.03.363] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Hwang S, Johnson A, Fabbro S, Hastings J, Haverkos B, Chung C, Porcu P, William B. Topical imiquimod monotherapy for indolent primary cutaneous B-cell lymphomas: a single-institution experience. Br J Dermatol 2020; 183:386-387. [PMID: 32078154 DOI: 10.1111/bjd.18961] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- S Hwang
- Division of Hematology, Ohio State University, Columbus, OH, USA
| | - A Johnson
- Division of Hematology, Ohio State University, Columbus, OH, USA
| | - S Fabbro
- Division of Dermatology, Department of Medicine, Ohio State University, Columbus, OH, USA
| | - J Hastings
- Division of Dermatology, Department of Medicine, Ohio State University, Columbus, OH, USA
| | - B Haverkos
- Blood Cancer and BMT Program, University of Colorado School of Medicine, Aurora, CO, USA
| | - C Chung
- Division of Dermatology, Department of Medicine, Ohio State University, Columbus, OH, USA
| | - P Porcu
- Division of Hematologic Malignancies and Hematopoietic Stem Cell Transplantation, Department of Medical Oncology, Sidney Kimmel Cancer Center at Jefferson, Thomas Jefferson University, Philadelphia, PA, USA
| | - B William
- Division of Hematology, Ohio State University, Columbus, OH, USA
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Yon DK, Hwang S, Lee SW, Jee HM, Sheen YH, Kim JH, Lim DH, Han MY. Indoor Exposure and Sensitization to Formaldehyde among Inner-City Children with Increased Risk for Asthma and Rhinitis. Am J Respir Crit Care Med 2020; 200:388-393. [PMID: 30958969 DOI: 10.1164/rccm.201810-1980le] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Affiliation(s)
- Dong Keon Yon
- 1CHA University School of MedicineSeongnam, Republic of Korea
| | - Sohyun Hwang
- 1CHA University School of MedicineSeongnam, Republic of Korea.,2CHA University College of Life ScienceSeongnam, Republic of Korea
| | - Seung Won Lee
- 4Sejong University College of Software ConvergenceSeoul, Republic of Korea
| | - Hye Mi Jee
- 1CHA University School of MedicineSeongnam, Republic of Korea
| | - Youn Ho Sheen
- 1CHA University School of MedicineSeongnam, Republic of Korea
| | - Jeong Hee Kim
- 3Inha University School of MedicineIncheon, Republic of Koreaand
| | - Dae Hyun Lim
- 3Inha University School of MedicineIncheon, Republic of Koreaand
| | - Man Yong Han
- 1CHA University School of MedicineSeongnam, Republic of Korea
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Moon YW, Lee E, Hwang S, Pandey K, Park N, Hur J, Cho YB, Kim SK, Lee SA, An HJ, Sohn J. Abstract P1-21-06: Deregulated immune pathway associated with palbociclib resistance in breast cancer preclinical models: Integrative analysis of genomics and transcriptomics. Cancer Res 2020. [DOI: 10.1158/1538-7445.sabcs19-p1-21-06] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Recently CDK4/6 inhibitors are being widely used to treat advanced HR-positive breast cancer. Despite promising clinical outcomes, almost all patients eventually acquire resistance to CDK4/6 inhibitors. Hence, understanding the mechanisms of acquired resistance to CDK4/6 inhibitors is crucial to develop alternate treatment strategy. Therefore, we screened genes associated with palbociclib resistance through genomics and transcriptomics in breast cancer preclinical models. Methods: We generated palbociclib-resistant cell lines, MCF7-PR and T47D-PR by exposing MCF7 and T47D cells to palbociclib for over 9 months. After confirming the acquired resistance through in vitro assays, we performed whole exome sequencing (WES) and mRNA microarray to compare genomic and transcriptomic landscape between palbociclib-sensitive and resistant cells. Real-time PCR was performed to confirm differentially expressed genes. Results: Microrray analysis revealed 651 differentially expressed genes (DEGs) (fold change ≥2) by comparing MCF7 vs. MCF7-PR cells. WES also revealed 107 mutated genes by comparing T47D vs. T47D-PR cells. Further, GO annotation of both the DEGs and mutated genes found deregulation of immune pathway commonly in MCF7-PR and T47D-PR (FDR<0.25). Representatively, activated type I interferon pathway was notable in MCF7-PR cells with annotation of the DEGs. By real-time PCR, IRF9 and SP100 were commonly increased in the resistant cells (MCF7-PR, T47D-PR) compared to each sensitive counterpart. Besides, STAT1, IFI27, IFIT2, IFIT3, and XAF1 were increased in the MCF7-PR compared to MCF7, STAT2 was also increased in the T47D-PR compared to T47D. Regarding mutations found in resistant cells, MUC4 (in MCF7-PR) and MUC16 (in T47D-PR) mutations were annotated as immune pathway including immune response activating cell surface receptor signaling or O-glycan processing, et al. Besides, RB1 mutation was detected in T47D-PR cells. Conclusions: Deregulated immune pathway was found to be associated with palbociclib resistance in preclinical breast cancer models. Further studies are warranted to evaluate whether immune pathway may be a therapeutic target to overcome CDK4/6 inhibitor resistance.
Citation Format: Yong Wha Moon, Eunbyeol Lee, Sohyun Hwang, Kamal Pandey, Nahee Park, Jin Hur, Young Bin Cho, Seung Ki Kim, Seung Ah Lee, Hee-Jung An, Joohyuk Sohn. Deregulated immune pathway associated with palbociclib resistance in breast cancer preclinical models: Integrative analysis of genomics and transcriptomics [abstract]. In: Proceedings of the 2019 San Antonio Breast Cancer Symposium; 2019 Dec 10-14; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2020;80(4 Suppl):Abstract nr P1-21-06.
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Affiliation(s)
- Yong Wha Moon
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | | | - Sohyun Hwang
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | | | - Nahee Park
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | - Jin Hur
- 2CHA University, Seongnam, Korea, Republic of
| | - Young Bin Cho
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | - Seung Ki Kim
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | - Seung Ah Lee
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | - Hee-Jung An
- 1CHA Bundang Medical Center, Seongnam, Korea, Republic of
| | - Joohyuk Sohn
- 3Yonsei Cancer Center, Seoul, Korea, Republic of
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Park H, Hwang S, Jeong JY, Jung SG, Choi MC, Joo WD, Song SH, Lee C, An HJ. Integrative analysis of transcription factors and microRNAs in ovarian cancer cell spheroids. J Ovarian Res 2020; 13:16. [PMID: 32046751 PMCID: PMC7014770 DOI: 10.1186/s13048-020-00618-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Accepted: 02/04/2020] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Cancer stem cells (CSCs) can self-renew, proliferate into differentiated cells, or enter a quiescent state and are regarded to cause chemoresistance and recurrence. An integrative analysis of transcription factors (TF) and miRNAs was performed in ovarian CSC-enriched spheroid-forming cells (SFCs) to identify factors relevant to ovarian CSCs. METHODS Fresh tumor cells from three ovarian cancer patients were cultured in standard and in selective medium. The mRNAs and miRNAs that exhibited significant differential expression between SFCs and adherent cells were identified using mRNA and miRNAs microarrays. Target genes of miRNAs were further selected if predicted with TargetScan by half of the miRNAs or more. Gene enrichment analysis was performed on over- or under-expressed mRNAs and target genes of miRNAs using DAVID tools. Complex regulatory networks were combined from TF-genes and miRNA-genes interactions using the MAGIA webtool. RESULTS A total of 1245 mRNA and 55 miRNAs were differentially expressed (p-value< 0.05, paired t-test). Elevation of transcription-related processes and suppression of focal adhesion pathway were noted in SFCs, according to the enrichment analyses. Transcriptional hyperactivity is a known characteristic of the stem cell transcriptome. The integrative network suggested that cell cycle was arrested in SFCs where over-expressed EGR1 and under-expressed MYC and miR-130a-3p had multiple connections with target genes. CONCLUSIONS MYC, EGR1, and miR-130a-3p were hubs in our integrative analysis of ovarian CSC-enriched SFCs, suggesting that ovarian cancer SFCs display a stem cell identity with the quiescent phenotype where adhesion- and cell cycle-related genes were suppressed.
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Affiliation(s)
- Hyun Park
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Sohyun Hwang
- Department of Pathology, College of Medicine, CHA University, Seongnam, 351 Yatap-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 13496, South Korea
| | - Ju-Yeon Jeong
- Department of Pathology, College of Medicine, CHA University, Seongnam, 351 Yatap-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 13496, South Korea
- Institute of Clinical Research, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Sang Geun Jung
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Min Chul Choi
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Won Duk Joo
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Seung Hun Song
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Chan Lee
- Division of Gynecologic Oncology, Department of Obstetrics and Gynecology, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea
| | - Hee Jung An
- Department of Pathology, College of Medicine, CHA University, Seongnam, 351 Yatap-dong, Bundang-gu, Seongnam-si, Gyeonggi-do, 13496, South Korea.
- Institute of Clinical Research, College of Medicine, CHA University, Seongnam, Gyeonggi-do, South Korea.
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Makepeace L, Scoggins M, Mitrea B, Li Y, Edwards A, Tinkle CL, Hwang S, Gajjar A, Patay Z. MRI Patterns of Extrapontine Lesion Extension in Diffuse Intrinsic Pontine Gliomas. AJNR Am J Neuroradiol 2020; 41:323-330. [PMID: 31974084 DOI: 10.3174/ajnr.a6391] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2018] [Accepted: 12/10/2019] [Indexed: 12/19/2022]
Abstract
BACKGROUND AND PURPOSE Diffuse intrinsic pontine glioma is a devastating childhood cancer that despite being primarily diagnosed by MR imaging alone, lacks robust prognostic imaging features. This study investigated patterns and quantification of extrapontine lesion extensions as potential prognostic imaging biomarkers for survival in children with newly diagnosed diffuse intrinsic pontine glioma. MATERIALS AND METHODS Volumetric analysis of baseline MR imaging studies was completed in 131 patients with radiographically defined typical diffuse intrinsic pontine gliomas. Extrapontine tumor extension was classified according to the direction of extension: midbrain, medulla oblongata, and right and left middle cerebellar peduncles; various extrapontine lesion extension patterns were evaluated. The Kaplan-Meier method was used to estimate survival differences; linear regression was used to evaluate clinical-radiographic variables prognostic of survival. RESULTS At least 1 extrapontine lesion extension was observed in 125 patients (95.4%). Of the 11 different extrapontine lesion extension patterns encountered in our cohort, 2 were statistically significant predictors of survival. Any extension into the middle cerebellar peduncles was prognostic of shorter overall survival (P = .01), but extension into both the midbrain and medulla oblongata but without extension into either middle cerebellar peduncle was prognostic of longer overall survival compared with those having no extension (P = .04) or those having any other pattern of extension (P < .001). CONCLUSIONS Within this large cohort of patients with typical diffuse intrinsic pontine gliomas, 2 specific extrapontine lesion extension patterns were associated with a significant overall survival advantage or disadvantage. Our findings may be valuable for risk stratification and radiation therapy planning in future clinical trials.
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Affiliation(s)
- L Makepeace
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
| | - M Scoggins
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
| | - B Mitrea
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
| | | | - A Edwards
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
| | | | - S Hwang
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
| | - A Gajjar
- Oncology (A.G.), St. Jude Children's Research Hospital, Memphis, Tennessee
| | - Z Patay
- From the Departments of Diagnostic Imaging (L.M., M.S., B.M., A.E., S.H., Z.P.)
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Hwang S, Kwon AY, Jeong JY, Kim S, Kang H, Park J, Kim JH, Han OJ, Lim SM, An HJ. Immune gene signatures for predicting durable clinical benefit of anti-PD-1 immunotherapy in patients with non-small cell lung cancer. Sci Rep 2020; 10:643. [PMID: 31959763 PMCID: PMC6971301 DOI: 10.1038/s41598-019-57218-9] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Accepted: 12/21/2019] [Indexed: 12/11/2022] Open
Abstract
Immune checkpoint blockade is promising for treating non-small-cell lung cancer (NSCLC). We used multipanel markers to predict the response to immune checkpoint inhibitors (ICIs) by characterizing gene expression signatures or individual genes in patients who showed durable clinical benefit to ICIs. Twenty-one patients with NSCLC treated with single-agent anti-programmed cell death protein (PD)-1 antibody were analyzed and their clinicopathological characteristics and response to ICIs were characterized. Nine (43%) showed a durable clinical benefit (DCB), while the remaining 12 (57%) patients showed non-durable benefit (NDB). The M1 and peripheral T cell signatures showed the best performance for discriminating DCB from NDB (sensitivity, specificity, accuracy = 0.89, 1.0, 0.95, respectively). Progression-free survival (PFS) was significantly longer in patients with high M1 signature or high peripheral T cell signature scores. CD137 and PSMB9 mRNA expression was higher in the DCB group than in the NDB group. Patients with high PSMB9 expression showed longer PFS. M1 signature, peripheral T cell signature and high mRNA expression level of CD137 and PSMB9 showed better predictive performance than known biomarkers, such as PD-L1 immunohistochemistry, tumor mutation burden, or tumor-infiltrating lymphocytes.
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Affiliation(s)
- Sohyun Hwang
- Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Ah-Young Kwon
- Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Ju-Yeon Jeong
- CHA Advanced Research Institute, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Sewha Kim
- Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Haeyoun Kang
- Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Joonsuk Park
- Department of Thoracic Surgery, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Joo-Hang Kim
- Hematology- Oncology, Department of Internal Medicine, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Ok Jin Han
- CHA Advanced Research Institute, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea
| | - Sun Min Lim
- Hematology- Oncology, Department of Internal Medicine, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea.
| | - Hee Jung An
- Department of Pathology, CHA University, CHA Bundang Medical Center, Seongnam-si, Kyeonggi-do, Republic of Korea.
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Kim J, Lee S, Ahn Y, Lee E, Park M, Hwang S, Almurayshid A, Lim B, Oh S. Role of senescent fibroblasts in the development of idiopathic guttate hypomelanosis. Br J Dermatol 2020; 182:1481-1482. [DOI: 10.1111/bjd.18801] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- J.Y. Kim
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - S.‐H. Lee
- Department of Dermatology Seoul National University Hospital Seoul Korea
| | - Y. Ahn
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - E.J. Lee
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
- Brain Korea 21 PLUS Project for Medical Science Yonsei University College of Medicine Seoul Korea
| | - M.‐Y. Park
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - S. Hwang
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
| | - A. Almurayshid
- Department of Medicine College of Medicine Prince Sattam Bin Abdulaziz University Al‐Kharj Saudi Arabia
| | - B.J. Lim
- Department of Pathology Yonsei University College of Medicine Seoul Korea
| | - S.H. Oh
- Department of Dermatology and Cutaneous Biology Research Institute Severance Hospital Yonsei University College of Medicine Seoul Korea
- Brain Korea 21 PLUS Project for Medical Science Yonsei University College of Medicine Seoul Korea
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Choi MC, Hwang S, Kim S, Jung SG, Park H, Joo WD, Song SH, Lee C, Kim TH, Kang H, An HJ. Clinical Impact of Somatic Variants in Homologous Recombination Repair-Related Genes in Ovarian High-Grade Serous Carcinoma. Cancer Res Treat 2020; 52:634-644. [PMID: 32019284 PMCID: PMC7176973 DOI: 10.4143/crt.2019.207] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2019] [Accepted: 01/02/2020] [Indexed: 01/23/2023] Open
Abstract
Purpose In this study, we investigated the frequencies of mutations in DNA damage repair genes including BRCA1, BRCA2, homologous recombination genes and TP53 gene in ovarian high-grade serous carcinoma, alongside those of germline and somatic BRCA mutations, with the aim of improving the identification of patients suitable for treatment with poly(ADP-ribose) polymerase inhibitors. Materials and Methods Tissue samples from 77 Korean patients with ovarian high-grade serous carcinoma were subjected to next-generation sequencing. Pathogenic alterations of 38 DNA damage repair genes and TP53 gene and their relationships with patient survival were examined. Additionally, we analyzed BRCA germline variants in blood samples from 47 of the patients for comparison. Results BRCA1, BRCA2, and TP53 mutations were detected in 28.6%, 5.2%, and 80.5% of the 77 patients, respectively. Alterations in RAD50, ATR, MSH6, MSH2, and FANCA were also identified. At least one mutation in a DNA damage repair gene was detected in 40.3% of patients (31/77). Germline and somatic BRCA mutations were found in 20 of 47 patients (42.6%), and four patients had only somatic mutations without germline mutations (8.5%, 4/47). Patients with DNA damage repair gene alterations with or without TP53 mutation, exhibited better disease-free survival than those with TP53 mutation alone. Conclusion DNA damage repair genes were mutated in 40.3% of patients with high-grade serous carcinoma, with somatic BRCA mutations in the absence of germline mutation in 8.5%. Somatic variant examination, along with germline testing of DNA damage repair genes, has potential to detect additional candidates for PARP inhibitor treatment.
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Affiliation(s)
- Min Chul Choi
- Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA University, Seongnam, Korea.,Center for Cancer Precision Medicine, CHA University, Seongnam, Korea
| | - Sohyun Hwang
- Center for Cancer Precision Medicine, CHA University, Seongnam, Korea.,Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Sewha Kim
- Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Sang Geun Jung
- Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA University, Seongnam, Korea
| | - Hyun Park
- Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA University, Seongnam, Korea
| | - Won Duk Joo
- Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA University, Seongnam, Korea
| | - Seung Hun Song
- Department of Obstetrics and Gynecology, Comprehensive Gynecologic Cancer Center, CHA University, Seongnam, Korea
| | - Chan Lee
- Center for Cancer Precision Medicine, CHA University, Seongnam, Korea
| | - Tae-Heon Kim
- Center for Cancer Precision Medicine, CHA University, Seongnam, Korea.,Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Haeyoun Kang
- Center for Cancer Precision Medicine, CHA University, Seongnam, Korea.,Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Hee Jung An
- Center for Cancer Precision Medicine, CHA University, Seongnam, Korea.,Department of Pathology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
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Kim JH, Cho W, An J, Ha EK, Lee W, Lee SW, Lee CH, Hwang S, Shin YH, Han MY. Spectrum of Allergen Sensitization to Food and Inhalant Allergens Across All Ages. Allergy Asthma Immunol Res 2020; 12:1060-1062. [PMID: 32935495 PMCID: PMC7492507 DOI: 10.4168/aair.2020.12.6.1060] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 06/01/2020] [Accepted: 06/05/2020] [Indexed: 11/20/2022]
Affiliation(s)
- Ju Hee Kim
- Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - WonKyung Cho
- School of Medicine, CHA University, Seongnam, Korea
| | - Jaewoo An
- Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Eun Kyo Ha
- Department of Pediatrics, Kangnam Sacred Heart Hospital, Hallym University Medical Center, Seoul, Korea
| | - Wonki Lee
- School of Medicine, CHA University, Seongnam, Korea
| | - Seung Won Lee
- Department of Data Science, Sejong University College of Software Convergence, Seoul, Korea
| | - Chang Ho Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Sohyun Hwang
- Department of Pathology, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Youn Ho Shin
- Department of Pediatrics, CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, Korea
| | - Man Yong Han
- Department of Pediatrics, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea.
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Cho HJ, Oh N, Park JH, Kim KS, Kim HK, Lee E, Hwang S, Kim SJ, Park KS. ZEB1 Collaborates with ELK3 to Repress E-Cadherin Expression in Triple-Negative Breast Cancer Cells. Mol Cancer Res 2019; 17:2257-2266. [PMID: 31511359 DOI: 10.1158/1541-7786.mcr-19-0380] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 07/15/2019] [Accepted: 09/06/2019] [Indexed: 11/16/2022]
Abstract
ZEB1 has intrinsic oncogenic functions that control the epithelial-to-mesenchymal transition (EMT) of cancer cells, impacting tumorigenesis from its earliest stages. By integrating microenvironment signals and being implicated in feedback regulatory loops, ZEB1 appears to be a central switch that determines EMT and metastasis of cancer cells. Here, we found that ZEB1 collaborates with ELK3, a ternary complex factor belonging to the ETS family, to repress E-cadherin expression. ZEB1 functions as a transcriptional activator of ELK3. We first identified that ELK3 and ZEB1 have a positively correlated expression in breast cancer cells by using multiple databases for correlation analysis. Molecular analysis revealed that ZEB1 functions as a transcriptional activator of ELK3 expression. GST pull-down assay and coimmunoprecipitation analysis of wild-type or domain deletion mutants of ZEB1 and ELK3 showed that these 2 proteins directly bound each other. Furthermore, we demonstrated that ZEB1 and ELK3 collaborate to repress the expression of E-cadherin, a representative protein that initiates EMT. Our finding suggested that ELK3 is a novel factor of the ZEB1/E-cadherin axis in triple-negative breast cancer cells. IMPLICATIONS: ELK3 is a novel factor in the ZEB1/E-cadherin axis and ZEB1 has a dual role in ELK3 as a transcriptional activator and as a collaborator to repress E-cadherin expression in triple-negative breast cancer cells.
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Affiliation(s)
- Hyeon-Ju Cho
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Nuri Oh
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Ji-Hoon Park
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Kwang-Soo Kim
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Hyung-Keun Kim
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Eunbyeol Lee
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Sohyun Hwang
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea
| | - Seong-Jin Kim
- Graduate School of Convergence Science and Technology, Seoul National University, Suwon, Republic of Korea
| | - Kyung-Soon Park
- Department of Biomedical Science, College of Life Science, CHA University, Bundang-gu, Republic of Korea.
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Ahn Y, Seo J, Hwang S, Lee E, Kim J, Park M, Almurayshid A, Yu J, Oh S. 364 Adenosine triphosphate-P2X7 axis mediates melanocyte death and skin trafficking of CD8+ T cells by CXCL9 through inflammasome activation in vitiligo. J Invest Dermatol 2019. [DOI: 10.1016/j.jid.2019.07.366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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