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Son GM, Yun MS, Lee IY, Im SB, Kim KH, Park SB, Kim TU, Shin DH, Nazir AM, Ha GW. Clinical Effectiveness of Fluorescence Lymph Node Mapping Using ICG for Laparoscopic Right Hemicolectomy: A Prospective Case-Control Study. Cancers (Basel) 2023; 15:4927. [PMID: 37894294 PMCID: PMC10605135 DOI: 10.3390/cancers15204927] [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: 08/14/2023] [Revised: 10/04/2023] [Accepted: 10/05/2023] [Indexed: 10/29/2023] Open
Abstract
BACKGROUND The distinction between D3 lymph nodes and actual lymphatic pathways in primary tumors can be difficult during surgery, making it challenging to confirm the completeness of D3 lymph node dissection. Fluorescence lymph node mapping (FLNM) is a promising method for lymph node visualization. PURPOSE This study aimed to assess whether FLNM enhances the effectiveness of D3 lymph node dissection in patients with right-sided colon cancer. METHODS Endoscopic submucosal indocyanine green injection were performed on the distal margin of the colon cancer. In an FLNM group, the lymphatic drainage pathway and distribution of D3 lymph nodes were explored. Pathological evaluations were conducted for the fluorescent D3 and non-fluorescent D3 lymph nodes. RESULTS The FLNM group showed a significantly higher number of harvested lymph nodes in the D3 area. In stage III patients, the proportion of D3 lymph node metastasis was significantly higher in the FLNM group. The harvested D3 lymph node count showed a proportional correlation with a metastatic lymph node count of up to 15. CONCLUSION FLNM could be considered a promising new strategy to potentially increase harvested D3 lymph node counts in colon cancer surgery.
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Affiliation(s)
- Gyung Mo Son
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Mi Sook Yun
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - In Young Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Sun Bin Im
- Department of Medicine, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Kyung Hee Kim
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Su Bum Park
- Department of Internal Medicine, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Tae Un Kim
- Department of Radiology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Dong-Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Armaan M. Nazir
- School of Medicine, Royal College of Surgeons in Ireland, University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland;
| | - Gi Won Ha
- Research Institute of Clinical Medicine of Jeonbuk National University-Biomedical Research Institute, Jeonbuk National University Hospital, Jeonju 54907, Republic of Korea;
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Son GM, Nazir AM, Yun MS, Lee IY, Im SB, Kwak JY, Park SH, Baek KR, Gockel I. The Safe Values of Quantitative Perfusion Parameters of ICG Angiography Based on Tissue Oxygenation of Hyperspectral Imaging for Laparoscopic Colorectal Surgery: A Prospective Observational Study. Biomedicines 2023; 11:2029. [PMID: 37509667 PMCID: PMC10377371 DOI: 10.3390/biomedicines11072029] [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: 06/20/2023] [Revised: 07/13/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
BACKGROUND Safe values for quantitative perfusion parameters of indocyanine green (ICG) angiography have not been fully defined, and interpretation remains at the surgeon's discretion. This prospective observational study aimed to establish the safe values for the quantitative perfusion parameters by comparing tissue oxygenation levels from HSI images in laparoscopic colorectal surgery. METHODS ICG angiography was performed using a laparoscopic near-infrared (NIR) camera system with ICG diluted in 10 mL of distilled water. For quantitative perfusion parameters, the changes in fluorescence intensity with perfusion times were analyzed to plot a time-fluorescence intensity graph. To assess real-time tissue oxygen saturation (StO2) in the colon, the TIVITA® Tissue System was utilized for hyperspectral imaging (HSI) acquisition. The StO2 levels were compared with the quantitative perfusion parameters derived from ICG angiography at corresponding points to define the safe range of ICG parameters reflecting good tissue oxygenation. RESULTS In the regression analysis, T1/2MAX, TMAX, slope, and NIR perfusion index were correlated with tissue oxygen saturation. Using this regression model, the cutoff values of quantitative perfusion parameters were calculated as T1/2MAX ≤ 10 s, TMAX ≤ 30 s, slope ≥ 5, and NIR perfusion index ≥50, which best reflected colon StO2 higher than 60%. Diagnostic values were analyzed to predict colon StO2 of 60% or more, and the ICG perfusion parameters T1/2MAX, TMAX, and perfusion TR showed high sensitivity values of 97% or more, indicating their ability to correctly identify cases with acceptable StO2. CONCLUSION The safe values for quantitative perfusion parameters derived from ICG angiography were T1/2MAX ≤ 10 s and TMAX ≤ 30 s, which were associated with colon tissue oxygenation levels higher than 60% in the laparoscopic colorectal surgery.
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Affiliation(s)
- Gyung Mo Son
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Armaan M. Nazir
- School of Medicine, Royal College of Surgeons in Ireland, University of Medicine and Health Sciences, D02 YN77 Dublin, Ireland;
| | - Mi Sook Yun
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - In Young Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan 50612, Republic of Korea; (M.S.Y.); (I.Y.L.)
| | - Sun Bin Im
- Department of Medicine, Pusan National University School of Medicine, Yangsan 50612, Republic of Korea;
| | - Jae Yeong Kwak
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Sang-Ho Park
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Kwang-Ryul Baek
- Department of Electronics Engineering, Pusan National University, Busan 46241, Republic of Korea; (J.Y.K.); (S.-H.P.); (K.-R.B.)
| | - Ines Gockel
- Department of Visceral, Transplantation, Thoracic and Vascular Surgery, University Hospital Leipzig, 04103 Leipzig, Germany;
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Im SB, Cho JM, Kim HB, Shin DH, Kwon MS, Lee IY, Son GM. FSP-1 expression in cancer cells is relevant to long-term oncological outcomes in nonmetastatic colorectal cancer. Korean J Clin Oncol 2022; 18:66-77. [PMID: 36945241 PMCID: PMC9942758 DOI: 10.14216/kjco.22009] [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] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 11/11/2022] [Accepted: 12/16/2022] [Indexed: 12/31/2022]
Abstract
Purpose Recent studies have revealed that the expression of cancer-associated fibroblast (CAF) activation biomarkers in cancer cells is associated with clinical outcomes in patients with certain types of malignant tumors. However, whether the expression of CAF activation biomarkers affects the prognosis of colorectal cancer (CRC) has not been fully elucidated. This study aimed to evaluate the association between the expression of CAF activation biomarkers in cancer cells with cancer invasion and long-term oncological outcomes in patients with CRC. Methods Cancer specimens obtained from 135 patients with stage I-III CRC were examined using immunohistochemical staining to evaluate the expression of fibroblast specific protein-1 (FSP-1), fibroblast activation protein α (FAPα), α-smooth muscle actin (α-SMA), and vimentin in cancer cells. Results FSP-1 expression in cancer cells was significantly associated with lymphatic invasion, perineural invasion, tumor (T) status, and lymph node (N) status. FAPα expression in cancer cells was significantly associated with lymphatic invasion. On univariate and multivariate analyses, FSP-1 and α-SMA expression in cancer cells were associated with a short 10-year overall survival (OS) and high 10-year systemic recurrence (SR), respectively. Tumor budding was associated with a short 10-year OS. However, FAPα and vimentin did not contribute to the prognosis in this study. Conclusion In this study, we found that FSP-1 expression in cancer cells was related to cancer invasion. Additionally, FSP-1 and α-SMA expression in cancer cells was associated with 10-year OS and SR, respectively. Therefore, these markers may be used as predictors of long-term oncological outcomes in patients with CRC.
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Affiliation(s)
- Sun Bin Im
- Department of Medicine, Pusan National University School of Medicine, Yangsan,
Korea
| | - Jae Min Cho
- Department of Medicine, Pusan National University School of Medicine, Yangsan,
Korea
| | - Han Byul Kim
- Department of Medicine, Pusan National University School of Medicine, Yangsan,
Korea
| | - Dong-Hoon Shin
- Department of Pathology, Pusan National University Yangsan Hospital, Yangsan,
Korea
| | - Myeong Sook Kwon
- Department of Food and Nutrition, College of Medical and Life Science, Silla University, Busan,
Korea
| | - In Young Lee
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan,
Korea
- Medical Research Center, Pusan National University School of Medicine, Yangsan,
Korea
| | - Gyung Mo Son
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan,
Korea
- Medical Research Center, Pusan National University School of Medicine, Yangsan,
Korea
- Department of Surgery, Pusan National University Yangsan Hospital, Pusan National University School of Medicine, Yangsan,
Korea
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Im SB, Kwon SJ, Ryu J, Jeong SW, Kim JB, Ahn JW, Kim SH, Jo YD, Choi HI, Kang SY. Development of a transposon-based marker system for mutation breeding in sorghum (Sorghum bicolor L.). Genet Mol Res 2016; 15:gmr8713. [PMID: 27706735 DOI: 10.4238/gmr.15038713] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Under certain circumstances, transposable elements (TE) can create or reverse mutations and alter the genome size of a cell. Sorghum (Sorghum bicolor L.) is promising for plant transposon tagging due to its small genome size and its low content of repetitive DNA. We developed a marker system based on targeted region amplification polymorphisms (TE-TRAP) that uses the terminal inverted repeats (TIRs) of transposons. A total of 3816 class 2 transposons belonging to the PIF/Harbinger family were identified from the whole sorghum genome that produced five primers, including eight types of TIRs. To define the applicability and utilization of TE-TRAP, we used 21 individuals that had been bred after ɤ-ray irradiation. In total, 31 TE-TRAP, 16 TD, and 21 AFLP primer combinations generated 1133, 223, and 555 amplicons, respectively. The percent polymorphic marker was 62.8, 51.1, and 59.3% for the TE-TRAP, TD, and AFLP markers, respectively. Phylogenetic and principal component analyses revealed that TE-TRAP divided the 21 individuals into three groups. Analysis of molecular variance suggested that TE-TRAP had a higher level of genetic diversity than the other two marker systems. After verifying the efficiency of TE-TRAP, 189 sorghum individuals were used to investigate the associations between the markers and the ɤ-ray doses. Two significant associations were found among the polymorphic markers. This TE-based method provides a useful marker resource for mutation breeding research.
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Affiliation(s)
- S B Im
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - S-J Kwon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea .,Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology, Daejeon, Korea
| | - J Ryu
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - S W Jeong
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - J B Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - J-W Ahn
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea.,Radiation Biotechnology and Applied Radioisotope Science, University of Science and Technology, Daejeon, Korea
| | - S H Kim
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - Y D Jo
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - H-I Choi
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
| | - S-Y Kang
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongeup, Korea
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Ryu J, Im SB, Kwon SJ, Ahn JW, Jeong SW, Kang SY. Chemical and genetic diversity of high-seed-yield sorghum (Sorghum bicolor M.) germplasms. Genet Mol Res 2016; 15:gmr8677. [PMID: 27706704 DOI: 10.4238/gmr.15038677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
This study evaluated the chemical and genetic diversity of high-seed-yield sorghum germplasms from Korea, the United States, and South Africa. We identified significant differences in the chemical contents of whole plants at the heading stage in all cultivars, including differences in crude protein, fat, fiber, ash, neutral detergent fiber, acid detergent fiber, mineral, and fatty acid contents. Our results suggest that Banwoldang is the most appropriate cultivar for roughage because of its high protein yield. We identified significant differences in the tannin, flavonoid, amylose, mineral, crude fat, fatty acid, and 3-deoxyanthocyanin contents in the whole grain from all cultivars, but not in the mineral or crude fat contents. Tannin levels were generally low. IS645 contained the highest levels of flavonoids and linolenic acid compounds, and Moktak had the highest amylose and deoxyanthocyanidin content in the grain. To assess genetic diversity, we used 10 simple sequence repeat (SSR) primer sets to identify 38 alleles with 3-8 alleles per locus. Based on phylogenetic analysis of the SSR markers, the sorghum cultivars were divided into three major groups. Comparison of clusters based on chemical compositions with those based on SSRs showed that the groups formed by the three native Korean cultivars clustered similarly in molecular dendrograms. Association analysis was conducted for the 10 SSR marker; 48 chemical and growth traits were present for two marker traits (seed color and whole plant fatty acid content) with significant marker-trait associations. These markers could be used to select sorghum cultivars for breeding programs.
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Affiliation(s)
- J Ryu
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea
| | - S B Im
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea
| | - S J Kwon
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea.,Unversity of Science and Technology, Radiation Biotechnology and Applied Radioisotope Science, Daejeon, Korea
| | - J W Ahn
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea.,Unversity of Science and Technology, Radiation Biotechnology and Applied Radioisotope Science, Daejeon, Korea
| | - S W Jeong
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea
| | - S Y Kang
- Advanced Radiation Technology Institute, Korea Atomic Energy Research Institute, Jeongup, Korea
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Abstract
Hypertrichosis universalis congenita is an extremely rare disorder characterized by generalized hypertrichosis. It is generally accepted as being inherited as an autosomal dominant trait with varying expression. Many aspects of this disease are still unknown. Several reports associating hypertrichosis and gingival fibromatosis raise the question of whether they are separate entities or the same disease with different expressions of the underlying process. Hypertrichosis universalis congenita occurred in a 6-year-old girl without known family history. Her facial features were simian-like and her gingiva was moderately hyperplastic. We pose the question of whether or not these phenomena are related.
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Affiliation(s)
- I J Lee
- Department of Dermatology, Yonsei University College of Medicine, Seoul, Korea
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