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Park JH, Kim JW, Ryu DS, Lee H, Na HK, Noh JH, Kim DH, Lee S, Na K, Jung HY. Repeated photodynamic therapy using a chlorin e6-embedded device to prolong the therapeutic effects on obesity. Obesity (Silver Spring) 2024; 32:911-922. [PMID: 38558513 DOI: 10.1002/oby.23958] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 09/26/2023] [Accepted: 10/18/2023] [Indexed: 04/04/2024]
Abstract
OBJECTIVE This study aimed to investigate the efficacy and safety of repeated photodynamic therapy (PDT) with a chlorin e6 (Ce6)-embedded intragastric satiety-inducing device (ISD) to maintain therapeutic effects of obesity in a juvenile pig. METHODS The Ce6-embedded ISD was fabricated with a dipping method. Twelve pigs were divided into four groups of three and were administered control, single, biweekly, or weekly PDT, respectively. The therapeutic effects were assessed by comparing the results of phototoxicity, endoscopy, fluoroscopy, hormone and weight changes, and histological examination. RESULTS The percentage of total body weight gain was significantly suppressed in PDT-treated pigs compared with control pigs (all p < 0.001). This suppression persisted in the repeated PDT groups, but percentage of total body weight gain gradually increased when PDT was stopped. Ghrelin levels in the PDT-treated groups were significantly lower and leptin levels were significantly higher than those in the control group (all p < 0.05). Inflammatory cell infiltration, collagen, TUNEL, and anti-ghrelin-positive deposition in the weekly group were significantly higher than those in the control, single, and biweekly groups (all p < 0.01). CONCLUSIONS Repeated and periodic PDT was technically feasible and safe and successfully maintained the therapeutic effects against obesity while eliminating the indwelling time and reducing ISD-related complications in pigs.
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Affiliation(s)
- Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyeonseung Lee
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, Bucheon-si, Republic of Korea
| | - Hee Kyong Na
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jin Hee Noh
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Do Hoon Kim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Sanghee Lee
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, Bucheon-si, Republic of Korea
| | - Kun Na
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, Bucheon-si, Republic of Korea
| | - Hwoon-Yong Jung
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Park JK, Jeon Y, Bang S, Kim JW, Kwak IP, Lee WS. Time-lapse imaging of morula compaction for selecting high-quality blastocysts: a retrospective cohort study. Arch Gynecol Obstet 2024:10.1007/s00404-024-07461-x. [PMID: 38649499 DOI: 10.1007/s00404-024-07461-x] [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: 11/01/2023] [Accepted: 03/04/2024] [Indexed: 04/25/2024]
Abstract
PURPOSE Before blastocyst development, embryos undergo morphological and metabolic changes crucial for their subsequent growth. This study aimed to investigate the relationship between morula compaction and blastocyst formation and the subsequent chromosomal status of the embryos. METHODS This retrospective cohort study evaluated embryo development (n = 371) using time-lapse imaging; 94 blastocysts underwent preimplantation genetic testing for aneuploidy (PGT-A). RESULTS The embryos were classified as fully (Group 1, n = 194) or partially (Group 2, n = 177) compacted. Group 1 had significantly higher proportions of good- and average-quality blastocysts than Group 2 (21.6% vs. 3.4%, p = 0.001; 47.9% vs. 26.6%, p = 0.001, respectively). The time from the morula stage to the beginning and completion of compaction and blastocyst formation was significantly shorter in Group 1 than in Group 2 (78.6 vs. 82.4 h, p = 0.001; 87.0 vs. 92.2 h, p = 0.001; 100.2 vs. 103.7 h, p = 0.017, respectively). Group 1 embryos had larger surface areas than Group 2 embryos at various time points following blastocyst formation. Group 1 blastocysts had significantly higher average expansion rates than Group 2 blastocysts (653.6 vs. 499.2 μm2/h, p = 0.001). PGT-A revealed a higher proportion of euploid embryos in Group 1 than in Group 2 (47.2% vs. 36.6%, p = 0.303). CONCLUSION Time-lapse microscopy uncovered a positive relationship between compaction and blastocyst quality and its association with embryo ploidy. Hence, compaction evaluation should be prioritized before blastocyst selection for transfer or cryopreservation.
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Affiliation(s)
- Jae Kyun Park
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea
| | - Yunmi Jeon
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea
| | - Soyoung Bang
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea
| | - Ji Won Kim
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea.
| | - In Pyung Kwak
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea
| | - Woo Sik Lee
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, 566 Nonhyeon-ro, Gangnam-gu, Seoul, 06135, Korea.
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Kang JM, Kim SH, Ryu DS, Park Y, Won DS, Kim JW, Park JK, Park HJ, Park JH. Sirolimus-coated Eustachian tube balloon dilatation for treating Eustachian tube dysfunction in a rat model. Sci Rep 2024; 14:8784. [PMID: 38627500 PMCID: PMC11021459 DOI: 10.1038/s41598-024-58869-z] [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: 12/11/2023] [Accepted: 04/03/2024] [Indexed: 04/19/2024] Open
Abstract
Eustachian tube balloon dilatation (ETBD) has shown promising results in the treatment of ET dysfunction (ETD); however, recurrent symptoms after ETBD frequently occur in patients with refractory ETD. The excessive pressure of balloon catheter during ETBD may induce the tissue hyperplasia and fibrotic changes around the injured mucosa. Sirolimus (SRL), an antiproliferative agent, inhibits tissue proliferation. An SRL-coated balloon catheter was fabricated using an ultrasonic spray coating technique with a coating solution composed of SRL, purified shellac, and vitamin E. This study aimed to investigate effectiveness of ETBD with a SRL-coated balloon catheter to prevent tissue proliferation in the rat ET after ETBD. In 21 Sprague-Dawley rats, the left ET was randomly divided into the control (drug-free ETBD; n = 9) and the SRL (n = 9) groups. All rats were sacrificed for histological examination immediately after and at 1 and 4 weeks after ETBD. Three rats were used to represent the normal ET. The SRL-coated ETBD significantly suppressed tissue proliferation caused by mechanical injuries compared with the control group. ETBD with SRL-coated balloon catheter was effective and safe to maintain ET luminal patency without tissue proliferation at the site of mechanical injuries for 4 weeks in a rat ET model.
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Affiliation(s)
- Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Jun-Kyu Park
- Department of Research and Development, JLinker Inc., 43-22, Nanosandan 5-Ro, Nam-Myeon, Jangseong, 57248, Republic of Korea.
| | - Hong Ju Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea.
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea.
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88, Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea.
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Park Y, Won DS, An JS, Kim SH, Ryu DS, Zeng CH, Kang JM, Kim JW, Kim HS, Park JH, Lee SS. Novel self-expandable stent-based endobiliary radiofrequency ablation for unresectable malignant biliary obstruction. Gastrointest Endosc 2024:S0016-5107(24)00218-9. [PMID: 38583543 DOI: 10.1016/j.gie.2024.04.003] [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: 09/12/2023] [Revised: 01/25/2024] [Accepted: 04/01/2024] [Indexed: 04/09/2024]
Abstract
BACKGROUND AND AIMS Endobiliary radiofrequency ablation (RFA) is an emerging endoscopic palliative adjunctive therapy used for the local treatment of unresectable malignant biliary obstruction (MBO). However, irregular ablation ranges caused by insufficient electrode-to-bile duct contact pose a significant obstacle. The aim was to investigate the feasibility of a self-expandable stent (SES)-based electrode with a customized RFA generator in the porcine liver and common bile duct (CBD). METHODS A SES-RFA system with polarity-switching was developed to perform endobiliary RFA. The ablation ranges of 20 ablation protocols were evaluated to validate the feasibility of the newly developed RFA system in the porcine liver. Nine of the 20 ablation protocols were selected for evaluation in the porcine CBD with cholangiography, endoscopy, and histological and immunohistochemical analysis. RESULTS The SES-RFA system with polarity-switching was successfully constructed and demonstrated high accuracy and reproducibility. The ablation area was clearly identified between the two SESs. The ablation ranges and degree of mucosal damage including TUNEL- and HSP70-positive depositions increased proportionally with ablation protocols in the porcine liver and CBD (all P < .05). Ablation length and depth linearly increased with ablation protocols from 8.74 ± 0.25 to 31.25 ± 0.67 mm and 1.61 ± 0.09 to 11.94 ± 0.44 mm, respectively. CONCLUSIONS The SES-RFA system with polarity-switching between electrodes provided an even circumferential area of ablation and enhanced ablation depth between the electrodes. This novel endobiliary RFA system is a promising modality for local ablation in patients with unresectable MBO.
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Affiliation(s)
- Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Jin Su An
- Department of Biomedical Engineering, School of ICT Convergence Engineering, College of Science & Technology, Konkuk University, 268 Chungwon-daero, Chungju-si, Chungcheongbuk-do 27478, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Hyung Sik Kim
- Department of Mechatronics Engineering, School of ICT Convergence Engineering, College of Science & Technology, Konkuk University, 268 Chungwon-daero, Chungju-si, Chungcheongbuk-do 27478, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea; Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea.
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea.
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Jeon HJ, Lee WS, Park JE, Hwang JY, Kim JW. COVID-19 (SARS-CoV-2) mRNA vaccination does not affect basal sex hormone levels (follicle-stimulating hormone, luteinizing hormone, estradiol) in reproductive-age women. Clin Exp Reprod Med 2024:cerm.2023.06107. [PMID: 38525522 DOI: 10.5653/cerm.2023.06107] [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: 04/28/2023] [Accepted: 11/18/2023] [Indexed: 03/26/2024] Open
Abstract
Objective People vaccinated with the coronavirus disease 2019 (COVID-19) (severe acute respiratory syndrome coronavirus-2 [SARS-CoV-2]) mRNA vaccine have reported experiencing various adverse effects. For instance, reproductive-age women have presented with complaints of abnormal uterine bleeding or menstrual cycle changes. We speculated that differences in basal sex hormone levels before and after vaccination may be present in women who experienced irregular bleeding or menstrual cycle changes; thus, this study aimed to investigate the differences in basal sex hormone levels of women before and after two doses of SARS-CoV-2 mRNA vaccination. Methods This retrospective study included patients who received SARS-CoV-2 mRNA vaccines between January 2021 and February 2022 at a single center. In an outpatient setting, patients were queried regarding their menstrual cycle, the date of SARS-CoV-2 mRNA vaccination, vaccination type, and vaccination side effects. Differences in basal hormone levels (menstrual cycle days 2-3, follicle-stimulating hormone [FSH], luteinizing hormone [LH], and estradiol) before and after vaccination were compared. Results Among the 326 patients, patients with no laboratory records of the hormones were excluded. The median time interval between SARS-CoV-2 mRNA vaccination and the laboratory test day was 79 days (interquartile range, 44 to 127). A comparative analysis of these hormones before and after vaccination revealed no significant differences. Subgroup analyses based on age and reported adverse events also found no statistically significant differences. Conclusion This study showed no significant differences in basal hormone levels (FSH, LH, and estradiol) before and after SARS-CoV-2 mRNA vaccination.
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Affiliation(s)
- Haeng Jun Jeon
- CHA Fertility Center Gangnam, CHA University School of Medicine, Seoul, Republic of Korea
| | - Woo Sik Lee
- CHA Fertility Center Gangnam, CHA University School of Medicine, Seoul, Republic of Korea
| | - Ji Eun Park
- CHA Fertility Center Gangnam, CHA University School of Medicine, Seoul, Republic of Korea
| | - Ji Young Hwang
- CHA Fertility Center Gangnam, CHA University School of Medicine, Seoul, Republic of Korea
| | - Ji Won Kim
- CHA Fertility Center Gangnam, CHA University School of Medicine, Seoul, Republic of Korea
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Ryu DS, Kim JW, Lee H, Eo SJ, Kim SH, Noh JH, Kim Y, Kang S, Na K, Park JH, Kim DH. Localized Photodynamic Therapy Using a Chlorin e6-Embedded Silicone-Covered Self-Expandable Metallic Stent as a Palliative Treatment for Malignant Esophageal Strictures. ACS Biomater Sci Eng 2024; 10:1869-1879. [PMID: 38291563 DOI: 10.1021/acsbiomaterials.3c01211] [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] [Indexed: 02/01/2024]
Abstract
Localized photodynamic therapy (PDT) uses a polymeric-photosensitizer (PS)-embedded, covered self-expandable metallic stent (SEMS). PDT is minimally invasive and a noteworthy potential alternative for treating esophageal strictures, where surgery is not a viable option. However, preclinical evidence is insufficient, and optimized irradiation energy dose ranges for localized PDT are unclear. Herein, we validated the irradiation energy doses of the SEMS (embedded in a PS using chlorin e6 [Ce6] and covered in silicone) and PDT-induced tissue changes in a rat esophagus. Cytotoxicity and phototoxicity in the Ce6-embedded SEMS piece with laser irradiation were significantly higher than that of the silicone-covered SEMS with or without laser and the Ce6-embedded silicone-covered SEMS without laser groups (all p < 0.001). Moreover, surface morphology, atomic changes, and homogeneous coverage of the Ce6-embedded silicone-covered membrane were confirmed. The ablation range of the porcine liver was proportionally increased with the irradiation dose (all p < 0.001). The ablation region was identified at different irradiation energy doses of 50, 100, 200, and 400 J/cm2. The in vivo study in the rat esophagus comprised a control group and 100, 200, and 400 J/cm2 energy-dose groups. Finally, histology and immunohistochemistry (TUNEL and Ki67) confirmed that the optimized Ce6-embedded silicone-covered SEMS with selected irradiation energy doses (200 and 400 J/cm2) effectively damaged the esophageal tissue without ductal perforation. The polymeric PS-embedded silicone-covered SEMS can be easily placed via a minimally invasive approach and represents a promising new approach for the palliative treatment of malignant esophageal strictures.
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Affiliation(s)
- Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Hyeonseung Lee
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Seong Jin Eo
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Jin Hee Noh
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Yuri Kim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Seokin Kang
- Department of Internal Medicine, Ilsan Paik Hospital, Inje University College of Medicine, 170, Juhwa-ro, Ilsanseo-gu, Goyang, Gyeonggi-do 10380, Republic of Korea
| | - Kun Na
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do 14662, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
- Department of Convergence Medicine, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
| | - Do Hoon Kim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
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Nam DW, Park MH, Jeong SJ, Lee KL, Kim JW, Jeong JB. Sex differences in associated factors for age-related hearing loss. PLoS One 2024; 19:e0298048. [PMID: 38446784 PMCID: PMC10917258 DOI: 10.1371/journal.pone.0298048] [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: 08/08/2023] [Accepted: 01/17/2024] [Indexed: 03/08/2024] Open
Abstract
The prevalence and age of onset of hearing loss differ according to sex. This study aimed to identify associated factors for age-related hearing loss (ARHL) and determine whether there are differences between males and females regarding associated factors for ARHL. This cross-sectional study used data from adults who underwent medical examinations including hearing tests from 2011 to 2021. A total of 2,349 individuals were included. The study conducted sex-specific analyses using both univariate and multiple regression. Univariate analysis employed logistic regression, while multiple regression involved variable selection through the augmented backward elimination method. Separate multiple logistic regression analyses were conducted for each sex. In the univariate analysis, among males, age, underweight, alcohol consumption, weight, and height exhibited statistical significance. Among females, age, hypertension, diabetes, dyslipidemia, obesity, sarcopenia, weight, height, age at menarche, and duration of hormone exposure were found to be significant factors. However, in the multiple logistic regression model for males, underweight, and smoking emerged as significant, while in females, age, weight, obesity, and age at menarche retained their significance. We found that there are different associated factors for ARHL in each sex. Assessment and counseling for smoking, obstetric history, underweight, and obesity may be beneficial in managing patients with ARHL.
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Affiliation(s)
- Dong Woo Nam
- Department of Otorhinolaryngology, Chungbuk National University Hospital, Cheongju, Republic of Korea
| | - Min-Hyun Park
- Department of Otorhinolaryngology, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Otorhinolaryngology, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul, Republic of Korea
| | - Su Ji Jeong
- Department of Otorhinolaryngology, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul, Republic of Korea
| | - Kook Lae Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul, Republic of Korea
| | - Ji Won Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul, Republic of Korea
| | - Ji Bong Jeong
- Department of Internal Medicine, Boramae Medical Center, Seoul Metropolitan Government-Seoul National University, Seoul, Republic of Korea
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Yang HY, Kang JK, Kim JW, Yoon TW, Seon JK. Preoperative Hindfoot Alignment and Outcomes After High Tibial Osteotomy for Varus Knee Osteoarthritis: We Walk on Our Heel, Not Our Ankle. J Bone Joint Surg Am 2024:00004623-990000000-01031. [PMID: 38386715 DOI: 10.2106/jbjs.23.00720] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/24/2024]
Abstract
BACKGROUND The hip-to-calcaneus axis, previously known as the ground mechanical axis (GA), ideally passes through the center of the knee joint in the native knee. The aim of this study was to elucidate, with use of hip-to-calcaneus radiographs, changes in knee and hindfoot alignment and changes in outcomes following high tibial osteotomy (HTO). METHODS We reviewed the records for 128 patients who underwent HTO between 2018 and 2020. Patients were stratified into 2 groups, a hindfoot valgus group (n = 94) and a hindfoot varus group (n = 34), on the basis of their preoperative hindfoot alignment. The hindfoot alignment was evaluated with use of the hindfoot alignment angle (HAA). To evaluate lower-limb alignment, full-length standing posteroanterior hip-to-calcaneus radiographs were utilized to measure 4 radiographic parameters preoperatively and 2 years postoperatively: the hip-knee-ankle (HKA) angle, hip-knee-calcaneus (HKC) angle, and the weight-bearing line (WBL) ratios of the mechanical axis (MA) and GA. RESULTS The mean HAA improved significantly from 5.1° valgus preoperatively to 1.9° valgus postoperatively in the hindfoot valgus group (p < 0.001). In contrast, in the hindfoot varus group, the HAA showed no meaningful improvement in the coronal alignment of the hindfoot following HTO (p = 0.236). The postoperative mean HKC angle in the hindfoot varus group was 2° more varus than that in the hindfoot valgus group (1.0° versus 3.0°; p = 0.001), and the GA in the hindfoot varus group passed across the knee 8.0% more medially than that in the hindfoot valgus group (55% versus 63% from the most medial to the most lateral part of the tibial plateau). The hindfoot varus group had worse postoperative clinical outcomes than the hindfoot valgus group in terms of the mean Knee injury and Osteoarthritis Outcome Score for pain and American Orthopaedic Foot & Ankle Society Ankle-Hindfoot Score. CONCLUSIONS Although our findings did not provide sufficient evidence to establish clinically relevant differences between the groups, they indicated that the group with a preoperative fixed hindfoot varus deformity had a higher rate of undercorrection and worse clinical outcomes, especially pain, following HTO. Therefore, modification of the procedure to shift the GA more laterally may be required for these patients. LEVEL OF EVIDENCE Prognostic Level III. See Instructions for Authors for a complete description of levels of evidence.
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Affiliation(s)
- Hong Yeol Yang
- Department of Orthopaedic Surgery, Chonnam National University Hwasun Hospital, College of Medicine, Chonnam National University, Seoyang, Republic of Korea
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Choi YJ, Choi M, Park J, Park M, Kim MJ, Lee JS, Oh SJ, Lee YJ, Shim WS, Kim JW, Kim MJ, Kim YC, Kang KW. Therapeutic strategy using novel RET/YES1 dual-target inhibitor in lung cancer. Biomed Pharmacother 2024; 171:116124. [PMID: 38198957 DOI: 10.1016/j.biopha.2024.116124] [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: 08/04/2023] [Revised: 12/20/2023] [Accepted: 01/02/2024] [Indexed: 01/12/2024] Open
Abstract
Lung cancer represents a significant global health concern and stands as the leading cause of cancer-related mortality worldwide. The identification of specific genomic alterations such as EGFR and KRAS in lung cancer has paved the way for the development of targeted therapies. While targeted therapies for lung cancer exhibiting EGFR, MET and ALK mutations have been well-established, the options for RET mutations remain limited. Importantly, RET mutations have been found to be mutually exclusive from other genomic mutations and to be related with high incidences of brain metastasis. Given these facts, it is imperative to explore the development of RET-targeting therapies and to elucidate the mechanisms underlying metastasis in RET-expressing lung cancer cells. In this study, we investigated PLM-101, a novel dual-target inhibitor of RET/YES1, which exhibits notable anti-cancer activities against CCDC6-RET-positive cancer cells and anti-metastatic effects against YES1-positive cancer cells. Our findings shed light on the significance of the YES1-Cortactin-actin remodeling pathway in the metastasis of lung cancer cells, establishing YES1 as a promising target for suppression of metastasis. This paper unveils a novel inhibitor that effectively targets both RET and YES1, thereby demonstrating its potential to impede the growth and metastasis of RET rearrangement lung cancer.
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Affiliation(s)
- Yong June Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Munkyung Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaewoo Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Miso Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea; Department of Pharmacy, Kangwon National University, Chuncheon 24341, Republic of Korea
| | - Myung Jun Kim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jae-Sun Lee
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea
| | - Su-Jin Oh
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea
| | - Young Joo Lee
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Wan Seob Shim
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Won Kim
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Myung Jin Kim
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea
| | - Yong-Chul Kim
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea; School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Keon Wook Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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Han EJ, Park JK, Eum JH, Bang S, Kim JW, Lee WS. Spontaneously hatching human blastocyst is associated with high development potential and live birth rate in vitrified-warmed single blastocyst transfer: A retrospective cohort study. Int J Gynaecol Obstet 2024; 164:315-323. [PMID: 37728025 DOI: 10.1002/ijgo.15084] [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: 06/01/2023] [Revised: 08/10/2023] [Accepted: 08/17/2023] [Indexed: 09/21/2023]
Abstract
OBJECTIVE To investigate the effect of hatching status on predicting pregnancy outcomes in single vitrified-warmed blastocyst transfer (SVBT) by objectively subdividing pre-implantation blastocysts according to hatching status. METHODS This retrospective study included 817 SVBT cycles performed between January 2016 and December 2017. Transferred embryos were categorized according to their hatching status as follows: group I (n = 147), non-hatching blastocysts; group II (n = 484), hatching blastocysts; and group III (n = 186), completely hatched blastocysts. Hatching blastocysts (group II) were then classified based on the ratio of the blastocystic diameter outside and inside the zona pellucida into early (n = 185), mid- (n = 103), and late (n = 196) hatching stages. Implantation rate (IR), clinical pregnancy rate (CPR), live birth rate (LBR), multiple pregnancy rate (MPR), miscarriage rate, and neonatal outcomes were evaluated. RESULTS For groups I, II, and III, respectively, the results were as follows: IR (28.6%, 43.6%, and 53.8%; P < 0.001), CPR (27.9%, 42.8%, and 53.2%; P < 0.001), and LBR (23.1%, 32.0%, and 42.5%; P < 0.001). Group III had better IR, CPR, and LBR. Among hatching blastocysts, late-hatching blastocysts had the highest IR (33.5%, 46.6%, and 51.5% for early, mid-, and late hatching, respectively; P = 0.002) and CPR (33.0%, 45.6%, and 50.5%; P = 0.002), with a tendency for a higher rate of LBR. Neonatal outcomes were not influenced by the hatching status. CONCLUSION Advanced hatching status is positively associated with a higher rate of clinical pregnancy and live birth with no negative effects on neonatal outcomes. Additionally, the quantitative classification of hatching status was found to be predictive of pregnancy outcomes.
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Affiliation(s)
- E Jung Han
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Jae Kyun Park
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Jin Hee Eum
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Soyoung Bang
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Ji Won Kim
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
| | - Woo Sik Lee
- Department of Obstetrics and Gynecology, Fertility Center of CHA Gangnam Medical Center, CHA University School of Medicine, Seoul, South Korea
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Lee DS, Byeon JS, Kim SG, Kim JW, Lee KL, Jeong JB, Jung YJ, Kang HW. Efficacy of an assistive guide tube for improved endoscopic access to gastrointestinal lesions: an in vivo study in a porcine model. Clin Endosc 2024; 57:82-88. [PMID: 38302248 PMCID: PMC10834288 DOI: 10.5946/ce.2022.161] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 01/02/2023] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND/AIMS Guide tube-assisted endoscopy for procedures that require repeated endoscopic access is safer and more effective than conventional endoscopy. However, its effectiveness has not been confirmed in animal studies. We assessed the usefulness of guide tube-assisted endoscopic procedures in an in vivo porcine model. METHODS Five different guide tube-assisted endoscopic procedures were performed by experienced endoscopists on a pig weighing 32 kg. To evaluate the efficacy of these procedures, we compared the endoscopic approach time when a guide tube was used to that when it was not. Additional endoscopic procedures using a guide tube were performed, including multiple foreign body extractions, multiple polypectomies, and multiple submucosal dissections. To evaluate safety, we compared the insertion force into the proximal esophagus between the guide tube and conventional overtube methods. RESULTS Using the endoscopic approach with a guide tube required a shorter average approach time to reach the three target lesions than when using the endoscopic approach without a guide tube (p<0.001). Compared to the conventional overtube method, the guide tube method produced a lower average resistance during insertion into the upper esophagus (p<0.001). CONCLUSION Guide tube-assisted endoscopic procedures are effective and safe for repeated endoscopic access in an in vivo porcine model.
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Affiliation(s)
- Dong Seok Lee
- Department of Gastroenterology, Incheon St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Jeong-Sik Byeon
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Gyun Kim
- Department of Gastroenterology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Won Kim
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Kook Lae Lee
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Bong Jeong
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Yong Jin Jung
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Hyoun Woo Kang
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
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Kim S, Kim JM, Jeon EJ, Kim JW, Choi ME, Park JM, Choi JS. Supernatant of activated platelet-rich plasma rejuvenated aging-induced hyposalivation in mouse. Sci Rep 2023; 13:21242. [PMID: 38040732 PMCID: PMC10692196 DOI: 10.1038/s41598-023-46878-3] [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: 07/31/2023] [Accepted: 11/06/2023] [Indexed: 12/03/2023] Open
Abstract
Hyposalivation is a common complaint among the elderly, but no established treatment prevents age-induced hyposalivation. Platelet derivatives such as platelet-rich plasma (PRP), platelet-rich fibrin (PRF), and plasma rich in growth factor (PRGF), are used widely in different areas of regenerative medicine to enhance the wound healing processes. This study examined whether the local injection of the supernatant of activated PRP (saPRP) into the salivary gland (SG) could help prevent aging-induced SG dysfunction and explored the mechanisms responsible for the protective effects on the SG hypofunction. The platelets were separated from the blood of male SD rats (220 ± 20 g). saPRP was manufactured by removing the fibrin clot after activating platelet with calcium ionophore 10 μM (A23187). The total protein and TGF-β1 levels were significantly higher in saPRP than in PRP. Human salivary gland epithelial cell(hSGEC) was treated with saPRP or PRP after senescence through irradiation. The significant proliferation of hSGEC was observed in saPRP treated group compared to irradiation only group and irradiation + PRP group. Cellular senescence, apoptosis, and inflammation significantly reduced in saPRP group. The SG function and structural tissue remodeling by the saPRP were investigated with naturally aged mice. The mice were divided into three groups: 3 months old (3 M), 22 months old (22 M), and 22 months old treated with saPRP (22 M + saPRP). Salivary flow rate and lag time were significantly improved in 22 M + saPRP group compared to 22 M group. The histologic examinations showed the significant proliferation of acinar cell in 22 M + saPRP group. The decrease of senescence, apoptosis, and inflammation observed by western blot in 22 M + saPRP group. The saPRP induced the proliferation of hSGECs, leading to a significant decrease in cellular senescence via decrease inflammation and apoptosis, in vitro. Moreover, the acini cells of the salivary gland were regenerated, and the salivary function increased in aged mice. These results showed that saPRP could be a treatment agent against aging-induced SG dysfunction.
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Affiliation(s)
- Sungryeal Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
| | - Jeong Mi Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
- Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, 100 Inharo, Michuholgu, Incheon, 22212, Republic of Korea
| | - Eun Jeong Jeon
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
- Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, 100 Inharo, Michuholgu, Incheon, 22212, Republic of Korea
| | - Ji Won Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
| | - Mi Eun Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
| | - Jin-Mi Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea
| | - Jeong-Seok Choi
- Department of Otorhinolaryngology-Head and Neck Surgery, Inha University College of Medicine, 27 Inhang-ro, Jung-gu, Incheon, 22332, Republic of Korea.
- Department of Biomedical Science, Program in Biomedical Science and Engineering, Inha University, 100 Inharo, Michuholgu, Incheon, 22212, Republic of Korea.
- Research Center for Controlling Intercellular Communication (RCIC), College of Medicine, Inha University, 100 Inharo, Michuholgu, Incheon, 22212, Republic of Korea.
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Park JK, Park JE, Bang S, Jeon HJ, Kim JW, Lee WS. Development and validation of a nomogram for predicting ongoing pregnancy in single vitrified-warmed blastocyst embryo transfer cycles. Front Endocrinol (Lausanne) 2023; 14:1257764. [PMID: 38075065 PMCID: PMC10702135 DOI: 10.3389/fendo.2023.1257764] [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] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Accepted: 10/10/2023] [Indexed: 12/18/2023] Open
Abstract
Introduction The global adoption of the "freeze-all strategy" has led to a continuous increase in utilization of single vitrified-warmed blastocyst embryo transfer (SVBT) owing to its clinical effectiveness. Accurate prediction of clinical pregnancy is crucial from a patient-centered perspective. However, this remains challenging, with inherent limitations due to the absence of precise and user-friendly prediction tools. Thus, this study primarily aimed to develop and assess a nomogram based on quantitative clinical data to optimize the efficacy of personalized prognosis assessment. Materials and methods We conducted a retrospective cohort analysis of ongoing pregnancy data from 658 patients with infertility who underwent SVBT at our center between October 17, 2017, and December 18, 2021. Patients were randomly assigned to the training (n=461) or validation (n=197) cohort for nomogram development and testing, respectively. A nomogram was constructed using the results of the multivariable logistic regression (MLR), which included clinical covariates that were assessed for their association with ongoing pregnancy. Results The MLR identified eight significant variables that independently predicted ongoing pregnancy outcomes in the study population. These predictors encompassed maternal physiology, including maternal age at oocyte retrieval and serum anti-Müllerian hormone levels; uterine factors, such as adenomyosis; and various embryo assessment parameters, including the number of fertilized embryos, blastocyst morphology, blastulation day, blastocyst re-expansion speed, and presence of embryo string. The area under the receiver operating characteristic curve in our prediction model was 0.675 (95% confidence interval [CI], 0.622-0.729) and 0.656 (95% CI, 0.573-0.739) in the training and validation cohorts, respectively, indicating good discrimination performance in both cohorts. Conclusions Our individualized nomogram is a practical and user-friendly tool that can provide accurate and useful SVBT information for patients and clinicians. By offering this model to patients, clinical stakeholders can alleviate uncertainty and confusion about fertility treatment options and enhance patients' confidence in making informed decisions.
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Affiliation(s)
| | | | | | | | - Ji Won Kim
- *Correspondence: Ji Won Kim, ; Woo Sik Lee,
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Oh HS, Kim TH, Kim JW, Yang J, Lee HS, Lee JH, Park CH. Feasibility and limitations of deep learning-based coronary calcium scoring in PET-CT: a comparison with coronary calcium score CT. Eur Radiol 2023:10.1007/s00330-023-10390-z. [PMID: 37962596 DOI: 10.1007/s00330-023-10390-z] [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: 04/14/2023] [Revised: 09/20/2023] [Accepted: 10/02/2023] [Indexed: 11/15/2023]
Abstract
OBJECTIVE This study aimed to determine the feasibility and limitations of deep learning-based coronary calcium scoring using positron emission tomography-computed tomography (PET-CT) in comparison with coronary calcium scoring using ECG-gated non-contrast-enhanced cardiac computed tomography (CaCT). MATERIALS AND METHODS A total of 215 individuals who underwent both CaCT and PET-CT were enrolled in this retrospective study. The Agatston method was used to calculate the coronary artery calcium scores (CACS) from CaCT, PET-CT(reader), and PET-CT(AI) to analyse the effect of using different modalities and AI-based software on CACS measurement. The total CACS and CACS classified according to the CAC-DRS guidelines were compared between the three sets of CACS. The differences, correlation coefficients, intraclass coefficients (ICC), and concordance rates were analysed. Statistical significance was set at p < 0.05. RESULTS The correlation coefficient of the total CACS from CaCT and PET-CT(reader) was 0.837, PET-CT(reader) and PET-CT(AI) was 0.894, and CaCT and PET-CT(AI) was 0.768. The ICC of CACS from CaCT and PET-CT(reader) was 0.911, PET-CT(reader) and PET-CT(AI) was 0.958, and CaCT and PET-CT(AI) was 0.842. The concordance rate between CaCT and PET-CT(AI) was 73.8%, with a false-negative rate of 37.3% and a false-positive rate of 4.4%. Age and male sex were associated with an increased misclassification rate. CONCLUSIONS Artificial intelligence-assisted CACS measurements in PET-CT showed comparable results to CACS in coronary calcium CT. However, the relatively high false-negative results and tendency to underestimate should be of concern. CLINICAL RELEVANCE STATEMENT Application of automated calcium scoring to PET-CT studies could potentially select patients at high risk of coronary artery disease from among cancer patients known to be susceptible to coronary artery disease and undergoing routine PET-CT scans. KEY POINTS • Cancer patients are susceptible to coronary disease, and PET-CT could be potentially used to calculate coronary artery calcium score (CACS). • Calcium scoring using artificial intelligence in PET-CT automatically provides CACS with high ICC to CACS in coronary calcium CT. • However, underestimation and false negatives of CACS calculation in PET-CT should be considered.
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Affiliation(s)
- Hee Sang Oh
- Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-Gu, Seoul, 06273, Republic of Korea
| | - Tae Hoon Kim
- Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-Gu, Seoul, 06273, Republic of Korea
| | - Ji Won Kim
- Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-Gu, Seoul, 06273, Republic of Korea
| | - Juyeon Yang
- Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Hye Sun Lee
- Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul, Republic of Korea
| | - Jae-Hoon Lee
- Department of Nuclear Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-Gu, Seoul, 06273, Republic of Korea.
| | - Chul Hwan Park
- Department of Radiology and the Research Institute of Radiological Science, Gangnam Severance Hospital, Yonsei University College of Medicine, 211 Eonjuro, Gangnam-Gu, Seoul, 06273, Republic of Korea.
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Yang HY, Shin HH, Kim JW, Seon JK. The fate of fungal periprosthetic joint infection after total knee arthroplasty. Int Orthop 2023; 47:2727-2735. [PMID: 37542541 DOI: 10.1007/s00264-023-05895-7] [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] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 07/09/2023] [Indexed: 08/07/2023]
Abstract
PURPOSE To demonstrate the clinical outcomes of patients with fungal periprosthetic joint infections (PJIs) after two-stage exchange arthroplasty combined with antifungal therapy. METHODS We retrospectively reviewed the outcomes of 41 patients with fungal PJIs after primary total knee arthroplasty (TKA) in a single centre from January 1999 to October 2017. During the first stage of resection arthroplasty, antifungal-impregnated cement spacers (AICSs) were implanted in all patients. After systemic antifungal treatment during the interval between the two surgeries, delayed reimplantation as part of a two-stage exchange protocol was performed when patients were clinically stable. We defined treatment success as a well-functioning arthroplasty without any signs of PJI after a minimum follow-up of two years without antimicrobial suppression. Successful treatment was confirmed by repeat negative cultures as well as a return of inflammatory markers to normal levels. RESULTS The treatment success rate was 63.4% at the final follow-up. Thirty-six of 41 patients (87.8%) met the criteria for second-stage revision after confirmation of complete infection control. The mean prosthesis-free interval was 6.6 months (range, 2.0-30.0 months). During follow-up after two-stage exchange arthroplasty, ten patients (27.7% of 36 patients) unfortunately experienced recurrence or relapse of infection after an average of 31.3 months (range, 2.7-135.6 months). The rate of survivorship free from reinfection was 94.4% at six months, 84.8% at one year, and 73.6% at two years. Cox proportional hazard regression analysis demonstrated that the prosthesis-free interval (HR = 1.016, p = 0.037) and mean length of antifungal treatment (HR = 0.226, p = 0.046) were potential risk factors for failure. CONCLUSION Fungal PJIs led to devastating clinical outcomes despite even two-stage revision arthroplasty with the use of AICSs and antifungal medications.
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Affiliation(s)
- Hong Yeol Yang
- Department of Orthopaedic Surgery, Chonnam National University Medical School and Hospital, 322, Seoyang-ro, 58128, Hwasun, Republic of Korea
| | - Hyun Ho Shin
- Department of Orthopaedic Surgery, Chonnam National University Medical School and Hospital, 322, Seoyang-ro, 58128, Hwasun, Republic of Korea
| | - Ji Won Kim
- Department of Orthopaedic Surgery, Chonnam National University Medical School and Hospital, 322, Seoyang-ro, 58128, Hwasun, Republic of Korea
| | - Jong Keun Seon
- Department of Orthopaedic Surgery, Chonnam National University Medical School and Hospital, 322, Seoyang-ro, 58128, Hwasun, Republic of Korea.
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Pyo JH, Lee SY, Lee IJ, Kim SM, Kim JW. Beneficial Role of Multi-Disciplinary Treatment for Anaplastic Thyroid Cancer with Initial Distant Metastasis. Int J Radiat Oncol Biol Phys 2023; 117:e616-e617. [PMID: 37785850 DOI: 10.1016/j.ijrobp.2023.06.1996] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Anaplastic thyroid cancer (ATC) is a rare, highly aggressive tumor, with median survival around 5 months. Approximately half of the ATC patients presents with distant metastases at diagnosis, showing even more devastating prognosis, yet no outcome analysis had been reported. In this study, we aim to evaluate the clinical outcome of M1 ATC patients, and to define the group of patients who would benefit from local treatment based on multi-disciplinary approach. MATERIALS/METHODS A total of 133 histology-confirmed ATC patients underwent protocol-based multidisciplinary treatment including surgery and chemoradiotherapy (CRT) between May 2016 and January 2022. Patients received intensity-modulated radiotherapy of 30 fractions concurrently with paclitaxel on days 1, 8 and 15 every 4 weeks, and lenvatinib was added upon progression. After 18 fractions of CRT, interim response analysis using modified RECIST was conducted for adaptive treatment planning. We reviewed 58 patients with distant metastasis at diagnosis (stage IVC). Overall survival (OS) and progression-free survival (PFS) were measured from the day of diagnosis. RESULTS Most common metastatic site was lung (91.4%), followed by bone (31.0%) and brain (5.2%). Lenvatinib was added for 35 patients after any sign of progression. Fourteen patients received upfront surgery (16 debulking and 5 total) followed by adjuvant CRT in 16 patients. Thirty-one patients received upfront CRT with 2 patients receiving total resection after sufficient down-staging. Six (10%) patients could not complete radiotherapy but continued receiving systemic treatment. The median follow-up was 5.9 months. The median and 1-year OS were 6.2 months and 20.5%, and PFS were 3.7 months and 3.5%. Total RT dose over 60 Gy significantly improved median OS (7.5 vs 4.1 months, p = 0.012) and median PFS (4.4 vs 3.0, p = 0.010). Patients with less than 10 initial metastatic tumors showed better median OS (9.1 vs 4.6 months, p = 0.002) but not PFS (5.1 vs 3.6, p = 0.485). At interim analysis, early response (CR, PR and SD) of primary tumor was not associated with survival, while progression of distant metastases showed significantly worse median OS (9.8 vs 4.6 months, p = 0.001). More than 10 metastatic tumors (HR 2.73, 95% CI 1.32-5.66) and stable metastasis at interim analysis (HR 2.39, 95% CI 1.04-5.48) remained as significant factor in the multivariable cox regression analysis. Median OS and PFS of patients with less than 10 metastases showing no progression at interim analysis were 9.1 months, and 5.1 months. CONCLUSION Local treatment combined with chemotherapy for M1 ATC patients showed outcome comparable to those of non-metastatic ATC results. Active local treatment should be considered especially for patients with less than 10 metastases, and patients without distant progression in early response evaluation.
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Affiliation(s)
- J H Pyo
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - S Y Lee
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - I J Lee
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - S M Kim
- Department of Surgery, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - J W Kim
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
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Kim J, Sung J, Yang D, Cho KS, Chung BH, Kim J, Kim JW. Optimal Planning Target Margin for Prostate Radiotherapy Based on Interfractional and Intrafractional Variability Assessment during 1.5T MR-Guided Radiotherapy. Int J Radiat Oncol Biol Phys 2023; 117:e401. [PMID: 37785341 DOI: 10.1016/j.ijrobp.2023.06.1534] [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: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) MR-guided radiotherapy (MRgRT) provides superior soft-tissue contrast over CT-based image guidance. We collected and analyzed daily pre-treatment (PRE) and real-time motion-monitoring (MM) MR images of patients receiving prostate radiotherapy to assess interfractional and intrafractional variability of prostate using two localization methods: pelvic bony anatomy (bone) and prostate during online adaptive radiotherapy (ART). MATERIALS/METHODS PRE and MM MRIs for the first five fractions of twenty prostate cancer patients who received definitive MRgRT with 1.5T MRI were collected. Using MIM software, rigid registration between PRE MRI and planning CT images based on pelvic bony anatomy and prostate reproduced bone localization and online ART, respectively. To determine interfractional setup margin (SM), prostate was delineated on all PRE MRIs registered after bone and prostate localizations by a radiation oncologist, and centroid values of prostate contours between planning CT and PRE MRIs were compared. To determine interobserver variability, another radiation oncologist, a medical physicist, and a radiotherapist contoured prostate for both localization methods. For internal margin (IM) assessment, we used MM MRIs of the five patients who had all three sets of coronal, sagittal, and axial cine images and determined the maximum contour displacement using in-house MATLAB-based software converting binary image files to 2D cine images with a superimposed grid of 1 mm spacing. RESULTS A total of 100 PRE and 25 MM MRIs were analyzed. Four hundred prostate contours were delineated on MR images registered with planning CT based on both bony anatomy and prostate. After bone localization, SM was 0.57±0.42 mm in left-right (LR), 2.45±1.98 mm in anterior-posterior (AP), and 2.28±2.08 mm in superior-inferior (SI) directions, and IO was 1.06±0.58 mm in LR, 2.32±1.08 mm in AP, and 3.30±1.85 mm in SI directions. After prostate localization, SM was 0.76±0.57 mm in LR, 1.89±1.60 mm in AP, and 2.2±1.79 mm in SI directions, and IO was 1.11±0.55 mm in LR, 2.13±1.07 mm in AP, and 3.53±1.65 mm in SI directions. Average IM was 2.12±0.86 mm, 2.24±1.07 mm, and 2.84±0.88 mm in LR, AP, and SI directions, respectively. CONCLUSION Using daily MRIs from MRgRT, we showed that movements in the SI direction were the largest source of variability in prostate definitive RT. In addition, interobserver variability was a non-negligible source of margin. Optimal PTV margin should also consider internal margin, especially in the SI direction.
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Affiliation(s)
- J Kim
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - J Sung
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - D Yang
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - K S Cho
- Department of Urology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - B H Chung
- Department of Urology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - J Kim
- Department of Radiation Oncology, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
| | - J W Kim
- Department of Radiation Oncology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea, Republic of (South) Korea
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18
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Lee SS, Park JG, Jang E, Choi SH, Kim S, Kim JW, Jin MS. W546 stacking disruption traps the human porphyrin transporter ABCB6 in an outward-facing transient state. Commun Biol 2023; 6:960. [PMID: 37735522 PMCID: PMC10514269 DOI: 10.1038/s42003-023-05339-3] [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: 03/16/2023] [Accepted: 09/11/2023] [Indexed: 09/23/2023] Open
Abstract
Human ATP-binding cassette transporter subfamily B6 (ABCB6) is a mitochondrial ATP-driven pump that translocates porphyrins from the cytoplasm into mitochondria for heme biosynthesis. Within the transport pathway, a conserved aromatic residue W546 located in each monomer plays a pivotal role in stabilizing the occluded conformation via π-stacking interactions. Herein, we employed cryo-electron microscopy to investigate the structural consequences of a single W546A mutation in ABCB6, both in detergent micelles and nanodiscs. The results demonstrate that the W546A mutation alters the conformational dynamics of detergent-purified ABCB6, leading to entrapment of the transporter in an outward-facing transient state. However, in the nanodisc system, we observed a direct interaction between the transporter and a phospholipid molecule that compensates for the absence of the W546 residue, thereby facilitating the normal conformational transition of the transporter toward the occluded state following ATP hydrolysis. The findings also reveal that adoption of the outward-facing conformation causes charge repulsion between ABCB6 and the bound substrate, and rearrangement of key interacting residues at the substrate-binding site. Consequently, the affinity for the substrate is significantly reduced, facilitating its release from the transporter.
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Affiliation(s)
- Sang Soo Lee
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Jun Gyou Park
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Eunhong Jang
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Seung Hun Choi
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Subin Kim
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Ji Won Kim
- Department of Life Sciences, POSTECH, 77 Cheongam-Ro, Nam-gu, Pohang, 37673, Republic of Korea
| | - Mi Sun Jin
- School of Life Sciences, GIST, 123 Cheomdan-gwagiro, Buk-gu, Gwangju, 61005, Republic of Korea.
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19
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Kim JH, Lee KM, Kim JW, Kweon SH, Moon HS, Yim T, Kwak SK, Lee SY. Regulating electrostatic phenomena by cationic polymer binder for scalable high-areal-capacity Li battery electrodes. Nat Commun 2023; 14:5721. [PMID: 37714895 PMCID: PMC10504278 DOI: 10.1038/s41467-023-41513-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 11/23/2022] [Accepted: 09/05/2023] [Indexed: 09/17/2023] Open
Abstract
Despite the enormous interest in high-areal-capacity Li battery electrodes, their structural instability and nonuniform charge transfer have plagued practical application. Herein, we present a cationic semi-interpenetrating polymer network (c-IPN) binder strategy, with a focus on the regulation of electrostatic phenomena in electrodes. Compared to conventional neutral linear binders, the c-IPN suppresses solvent-drying-induced crack evolution of electrodes and improves the dispersion state of electrode components owing to its surface charge-driven electrostatic repulsion and mechanical toughness. The c-IPN immobilizes anions of liquid electrolytes inside the electrodes via electrostatic attraction, thereby facilitating Li+ conduction and forming stable cathode-electrolyte interphases. Consequently, the c-IPN enables high-areal-capacity (up to 20 mAh cm-2) cathodes with decent cyclability (capacity retention after 100 cycles = 82%) using commercial slurry-cast electrode fabrication, while fully utilizing the theoretical specific capacity of LiNi0.8Co0.1Mn0.1O2. Further, coupling of the c-IPN cathodes with Li-metal anodes yields double-stacked pouch-type cells with high energy content at 25 °C (376 Wh kgcell-1/1043 Wh Lcell-1, estimated including packaging substances), demonstrating practical viability of the c-IPN binder for scalable high-areal-capacity electrodes.
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Affiliation(s)
- Jung-Hui Kim
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea
| | - Kyung Min Lee
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Ji Won Kim
- Department of Chemistry, Incheon National University, Incheon, Republic of Korea
| | - Seong Hyeon Kweon
- Department of Energy Engineering, School of Energy and Chemical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, Republic of Korea
| | - Hyun-Seok Moon
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea
| | - Taeeun Yim
- Department of Chemistry, Incheon National University, Incheon, Republic of Korea.
| | - Sang Kyu Kwak
- Department of Chemical and Biological Engineering, Korea University, Seoul, Republic of Korea.
| | - Sang-Young Lee
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea.
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Won DS, Park Y, Zeng CH, Ryu DS, Kim JW, Kang JM, Kim SH, Kim HS, Lee SS, Park JH. Radiofrequency ablation via an implanted self-expandable metallic stent to treat in-stent restenosis in a rat gastric outlet obstruction model. Front Bioeng Biotechnol 2023; 11:1244569. [PMID: 37744261 PMCID: PMC10516293 DOI: 10.3389/fbioe.2023.1244569] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Accepted: 08/22/2023] [Indexed: 09/26/2023] Open
Abstract
Background: In-stent restenosis caused by tissue hyperplasia and tumor growth through the wire meshes of an implanted self-expandable metallic stent (SEMS) remains an unresolved obstacle. This study aimed to investigate the safety and efficacy of SEMS-mediated radiofrequency ablation (RFA) for treating stent-induced tissue hyperplasia in a rat gastric outlet obstruction model. Methods: The ablation zone was investigated using extracted porcine liver according to the ablation time. The optimal RFA parameters were evaluated in the dissected rat gastric outlet. We allocated 40 male rats to four groups of 10 rats as follows: group A, SEMS placement only; group B, SEMS-mediated RFA at 4 weeks; group C, SEMS-mediated RFA at 4 weeks and housed until 8 weeks; and group D, SEMS-mediated RFA at 4 and 8 weeks. Endoscopy and fluoroscopy for in vivo imaging and histological and immunohistochemical analysis were performed to compare experimental groups. Results: Stent placement and SEMS-mediated RFA with an optimized RFA parameter were technically successful in all groups. Granulation tissue formation-related variables were significantly higher in group A than in groups B-D (all p < 0.05). Endoscopic and histological findings confirmed that the degrees of stent-induced tissue hyperplasia in group D were significantly lower than in groups B and C (all p < 0.05). Hsp70 and TUNEL expressions were significantly higher in groups B-D than in group A (all p < 0.001). Conclusion: The implanted SEMS-mediated RFA successfully managed stent-induced tissue hyperplasia, and repeated or periodic RFA seems to be more effective in treating in-stent restenosis in a rat gastric outlet obstruction model.
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Affiliation(s)
- Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Hyung-Sik Kim
- Department of Mechatronics Engineering, School of ICT Convergence Engineering, College of Science and Technology, Konkuk University, Chungju, Republic of Korea
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
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Choi YJ, Park J, Choi H, Oh SJ, Park JH, Park M, Kim JW, Kim YG, Kim YC, Kim MJ, Kang KW. PLM-101 is a novel and potent FLT3/RET inhibitor with less adverse effects in the treatment of acute myeloid leukemia. Biomed Pharmacother 2023; 165:115066. [PMID: 37392657 DOI: 10.1016/j.biopha.2023.115066] [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: 04/24/2023] [Revised: 06/12/2023] [Accepted: 06/23/2023] [Indexed: 07/03/2023] Open
Abstract
Acute myeloid leukemia (AML) is a prevalent form of leukemia in adults. As its survival rate is low, there is an urgent need for new therapeutic options. In AML, FMS-like tyrosine kinase 3 (FLT3) mutations are common and have negative outcomes. However, current FLT3-targeting agents, Midostaurin and Gilteritinib, face two significant issues, specifically the emergence of acquired resistance and drug-related adverse events leading to treatment failure. Rearranged during transfection (RET), meanwhile, is a proto-oncogene linked to various types of cancer, but its role in AML has been limited. A previous study showed that activation of RET kinase enhances FLT3 protein stability, leading to the promotion of AML cell proliferation. However, no drugs are currently available that target both FLT3 and RET. This study introduces PLM-101, a new therapeutic option derived from the traditional Chinese medicine indigo naturalis with potent in vitro and in vivo anti-leukemic activities. PLM-101 potently inhibits FLT3 kinase and induces its autophagic degradation via RET inhibition, providing a superior mechanism to that of FLT3 single-targeting agents. Single- and repeated-dose toxicity tests conducted in the present study showed no significant drug-related adverse effects. This study is the first to present a new FLT3/RET dual-targeting inhibitor, PLM-101, that shows potent anti-leukemic activity and fewer adverse effects. PLM-101, therefore, should be considered for use as a potential therapeutic agent for AML.
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Affiliation(s)
- Yong June Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Jaewoo Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Hyoyi Choi
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Su-Jin Oh
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea
| | - Jin-Hee Park
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea
| | - Miso Park
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea
| | - Ji Won Kim
- Jeju Research Institute of Pharmaceutical Sciences, College of Pharmacy, Jeju National University, Jeju 63243, Republic of Korea
| | - Yoon-Gyoon Kim
- College of Pharmacy, Dankook University, Cheonan 31116, Republic of Korea
| | - Yong-Chul Kim
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea; School of Life Sciences, Gwangju Institute of Science and Technology, Gwangju 61005, Republic of Korea
| | - Myung Jin Kim
- R&D Center, PeLeMed, Co. Ltd., Seoul 06100, Republic of Korea.
| | - Keon Wook Kang
- College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, Seoul 08826, Republic of Korea.
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Lee DS, Lee GH, Kim SG, Lee KL, Kim JW, Jeong JB, Jung YJ, Kang HW. Usefulness of a new polyvinyl alcohol hydrogel (PVA-H)-based simulator for endoscopic submucosal dissection training: a pilot study. Clin Endosc 2023; 56:604-612. [PMID: 37524564 PMCID: PMC10565446 DOI: 10.5946/ce.2022.163] [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: 06/05/2022] [Revised: 12/27/2022] [Accepted: 01/03/2023] [Indexed: 08/02/2023] Open
Abstract
BACKGROUND/AIMS We developed a new endoscopic submucosal dissection (ESD) simulator and evaluated its efficacy and realism for use training endoscopists. METHODS An ESD simulator was constructed using polyvinyl alcohol hydrogel sheets and compared to a previous ESD simulator. Between March 1, 2020, and December 30, 2021, eight expert endoscopists from three different centers analyzed the procedure-related factors of the simulator. Five trainees performed gastric ESD exercises under the guidance of these experts. RESULTS Although the two ESD simulators provided overall favorable outcomes in terms of ESD-related factors, the new simulator had several benefits, including better marking of the target lesion's limits (p<0.001) and overall handling (p<0.001). Trainees tested the usefulness of the new ESD simulator. The complete resection rate improved after 3 ESD training sessions (9 procedures), and the perforation rate decreased after 4 sessions (12 procedures). CONCLUSION We have developed a new ESD simulator that can help beginners achieve a high level of technical experience before performing real-time ESD procedures in patients.
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Affiliation(s)
- Dong Seok Lee
- Department of Gastroenterology, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Gin Hyug Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sang Gyun Kim
- Department of Gastroenterology, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Kook Lae Lee
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Won Kim
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Ji Bong Jeong
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Yong Jin Jung
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
| | - Hyoun Woo Kang
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine, Seoul, Korea
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Kwon KW, Jang WY, Kim JW, Noh JK, Yi DK, Cho JY. Anti-Inflammatory Effect of Meriania hexamera Sprague by Targeting Syk Kinase in NF-κB Signaling. Plants (Basel) 2023; 12:3044. [PMID: 37687291 PMCID: PMC10490091 DOI: 10.3390/plants12173044] [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] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/04/2023] [Accepted: 08/23/2023] [Indexed: 09/10/2023]
Abstract
Inflammation is a protective mechanism against harmful stimuli. There are two types of inflammation, acute and chronic, and severe diseases such as cardiovascular disease and cancer can be caused by chronic inflammation. Therefore, this research was conducted to discover new anti-inflammatory drugs. Meriania hexamera Sprague is a common herb in the Amazon region in South America. It is used as a traditional medical herb by natives, but no studies to date have investigated its anti-inflammatory activity. Using lipopolysaccharide (LPS), pam3CSK4 (Pam3), and poly(I:C), we studied the M. hexamera Sprague-Methanol Extract's (Mh-ME) in vitro anti-inflammatory functions. Using RAW264.7 cells, we detected the released nitric oxide (NO) and mRNA expression extent of inducible nitric oxide synthase (iNOS) with pro-inflammatory proteins like tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), and iterleukin-1 beta (IL-1β). It was found that Mh-ME suppressed the inflammatory activities in a dose-dependent manner. In the luciferase assay, the nuclear factor kappa light chain enhancer of the activated B cells (NF-κB) pathway was inhibited by Mh-ME. Mh-ME especially acted as an inhibitor of Syk kinase according to the results from CETSA. We also confirmed that Mh-ME mitigates acute gastritis derived from HCl/EtOH in ICR mice, ameliorating the expression of IL-1β and tumor necrosis factor-alpha (TNF-α). In conclusion, Mh-ME is an herb with anti-inflammatory effects that targets Syk in the NF-κB pathway, suggesting that Mh-ME could be used as an anti-inflammatory herbal medicine.
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Affiliation(s)
- Ki Woong Kwon
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea; (K.W.K.); (W.Y.J.); (J.W.K.)
| | - Won Young Jang
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea; (K.W.K.); (W.Y.J.); (J.W.K.)
| | - Ji Won Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea; (K.W.K.); (W.Y.J.); (J.W.K.)
| | - Jin Kyoung Noh
- Instituto de BioEconomia, El Batan, Quito 170135, Ecuador
| | - Dong-Keun Yi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea;
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea; (K.W.K.); (W.Y.J.); (J.W.K.)
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Kim JW, Lee S, Ryu DS, Park J, Lee H, Na HK, Noh JH, Kim DH, Park JH, Jung HY, Na K. Photoactive intragastric satiety-inducing device using polymeric photosensitizers for minimally invasive weight loss treatment. Biomaterials 2023; 299:122159. [PMID: 37209542 DOI: 10.1016/j.biomaterials.2023.122159] [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: 02/03/2023] [Revised: 05/08/2023] [Accepted: 05/09/2023] [Indexed: 05/22/2023]
Abstract
An intragastric satiety-inducing device (ISD) located in the stomach induce satiety and fullness in the absence of food by continuously pressing on the distal esophagus and cardia of the stomach. To improve the therapeutic function of ISD, Chlorin e6 (Ce6) was embedded in a disk portion of ISD, generating reactive oxygen species and stimulating endocrine cells under the laser irradiation. Since Ce6 has remarkable light efficiency but poor solubility in various solvents, it is essential to use a polymeric photosensitizer and optimize a suitable coating solution composition. Methoxy polyethylene glycol-Ce6 was uniformly coated and the spontaneous release amount of the Ce6 from the device could be reduced, which induced photo-responsive cell death and reduced ghrelin levels in vitro. In mini pigs operated single therapy (PDT or ISD) or combination therapy (Photoreactive ISD), there were differences in body weight (control: 28% vs. Photoreactive ISD: 4%, P < 0.001), ghrelin (control: 4% vs. Photoreactive ISD: 35%, P < 0.001), and leptin levels (control: 8% vs. Photoreactive PDT: 35%, P < 0.001) at 4 weeks.
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Affiliation(s)
- Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Sanghee Lee
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea; Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jinhwan Park
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, Republic of Korea
| | - Hyeonseung Lee
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, Republic of Korea
| | - Hee Kyong Na
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jin Hee Noh
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Do Hoon Kim
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
| | - Hwoon-Yong Jung
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
| | - Kun Na
- Department of Biotechnology, Department of Biomedical-Chemical Engineering, The Catholic University of Korea, 43 Jibong-ro, Wonmi-gu, Bucheon-si, Gyeonggi-do, 14662, Republic of Korea.
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Kwon KW, Kim JW, Moon S, Yoon JH, Youn SH, Hyun SH, Kim HG, Kweon DH, Cho JY. Korean Red Ginseng Relieves Inflammation and Modulates Immune Response Induced by Pseudo-Type SARS-CoV-2. Am J Chin Med 2023; 51:1361-1384. [PMID: 37489113 DOI: 10.1142/s0192415x23500623] [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] [Subscribe] [Scholar Register] [Indexed: 07/26/2023]
Abstract
Few studies have reported the therapeutic effects of Korean red ginseng (KRG) against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). However, the positive effects of KRG on other viruses have been reported and the effects of KRG on pulmonary inflammatory diseases have also been studied. Therefore, this study investigated the therapeutic effects of KRG-water extract (KRG-WE) in a pseudo-type SARS-CoV-2 (PSV)-induced lung injury model. Constructing the pseudovirus, human angiotensin-converting enzyme 2 (hACE2) transgenic mice were infected via intranasal injection that had been orally administered with KRG-WE for six weeks. After 7-days post infection (dpi), the antiviral effects of KRG-WE were confirmed, followed by real-time polymerase chain reaction (PCR), western blot analysis, flow cytometric analysis, and an enzyme-linked immunoassay (ELISA). KRG-WE significantly inhibited an increase in immunoglobulin caused by PSV. Furthermore, KRG-WE effectively suppressed alveolar macrophages (AMs) inside the lungs and helped normalize the population of other immune cells. In addition, virus-induced gene expression and inflammatory signals such as nuclear factor-kappa B and other upstream molecules were downregulated. Moreover, KRG-WE also normalized gene expression and protein activity in the spleen. In conclusion, KRG-WE reduced AMs, normalized the immune response, and decreased the expression of inflammatory genes and activation of signaling pathway phosphorylation, thereby exhibiting anti-inflammatory effects and attenuating lung damage.
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Affiliation(s)
- Ki Woong Kwon
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Ji Won Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Seokoh Moon
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Jeong Hyeon Yoon
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Soo-Hyun Youn
- Laboratory of Natural Products Efficacy Research, Korea Ginseng Corporation, 30 Gajeong-ro, Shinseong-dong, Yuseong-gu, Daejeon 34128, Republic of Korea
| | - Sun Hee Hyun
- Laboratory of Natural Products Efficacy Research, Korea Ginseng Corporation, 30 Gajeong-ro, Shinseong-dong, Yuseong-gu, Daejeon 34128, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Dae-Hyuk Kweon
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, 2066 Seobu-ro, Suwon 16419, Republic of Korea
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Kim KW, Koh SJ, Kang HW, Park H, Ha H, Park J, Kim K, Jun Y, Han YM, Lee HJ, Yoon H, Im JP, Park YS, Kim JW, Kim JS. Atopic dermatitis is associated with the clinical course of inflammatory bowel disease. Scand J Gastroenterol 2023; 58:1115-1121. [PMID: 37165647 DOI: 10.1080/00365521.2023.2209688] [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: 03/16/2023] [Accepted: 04/23/2023] [Indexed: 05/12/2023]
Abstract
OBJECTIVES There are a few studies about the relationship between inflammatory bowel disease (IBD) and atopic dermatitis (AD). It is implied that both diseases have common pathophysiologic mechanisms and can affect each other. However, little information is available on the effect of AD on the clinical course of patients with IBD. METHODS This is a multi-center, retrospective, observational study. We define AD as a chronic eczematoid dermatosis diagnosed by dermatologists. Patients with concurrent IBD and AD were defined as a case group. Age, gender, and IBD subtype-matched patients without AD were included as a reference group. RESULTS The numbers of patients in the case and reference groups were 61 and 122 respectively. There was a significantly shorter biologics-free survival in the case group than that in the reference group according to the multivariable-adjusted Cox regression analysis with the onset age, disease duration, smoking status, use of steroid, use of immunomodulator, initial C-reactive protein, initial erythrocyte sedimentation rate, presence of other allergic diseases and initial disease severity [hazard ratio (HR) 1.828, 95% confidence interval (CI) 1.022-3.271, p = .042]. The trend was consistent in the subgroup analysis with ulcerative colitis (HR 3.498, 95% CI 1.066-11.481, p = .039), but not with Crohn's disease (HR 1.542, 95% CI 0.720-3.301, p = .265). CONCLUSIONS AD showed a significant effect on the biologics-free survival of patients with IBD and especially the UC subtype. Further mechanistic research is required to elucidate the pathogenesis of AD on the clinical course of IBD.
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Affiliation(s)
- Kwang Woo Kim
- Division of Gastroenterology, Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Seong-Joon Koh
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyoun Woo Kang
- Division of Gastroenterology, Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyunsun Park
- Department of Dermatology, Boramae Medical Center, Seoul Metropolitan Government Seoul National University, Seoul, Republic of Korea
| | - Hyeonjin Ha
- Department of Education and Training, Seoul National University Hospital, Seoul, Republic of Korea
| | - Jin Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Kyunghoon Kim
- Division of Gastroenterology, Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yukyung Jun
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Yoo Min Han
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine and Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Korea
| | - Hyun Jung Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyuk Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Jong Pil Im
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Young Soo Park
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Ji Won Kim
- Division of Gastroenterology, Department of Internal Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Joo Sung Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
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Kim ES, Kim SK, Park DI, Kim HJ, Lee YJ, Koo JS, Kim ES, Yoon H, Lee JH, Kim JW, Shin SJ, Kim HW, Kim HS, Park YS, Kim YS, Kim TO, Lee J, Choi CH, Han DS, Chun J, Kim HS. Comparison of the Pharmacokinetics of CT-P13 Between Crohn's Disease and Ulcerative Colitis. J Clin Gastroenterol 2023; 57:601-609. [PMID: 35470308 DOI: 10.1097/mcg.0000000000001715] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Accepted: 03/20/2022] [Indexed: 12/10/2022]
Abstract
BACKGROUND We aimed to compare trough infliximab levels and the development of antidrug antibody (ADA) for 1 year between Crohn's disease (CD) and ulcerative colitis (UC) patients who were biologic-naive, and to evaluate their impact on clinical outcomes. METHODS This was a prospective, multicenter, observational study. Biologic-naive patients with moderate to severe CD or UC who started CT-P13, an infliximab biosimilar, therapy were enrolled. Trough drug and ADA levels were measured periodically for 1 year after CT-P13 initiation. RESULTS A total of 267 patients who received CT-P13 treatment were included (CD 168, UC 99). The rates of clinical remission (72% vs. 32.3%, P <0.001) at week 54 were significantly higher in CD than in UC. The median trough drug level (μg/mL) was significantly higher in CD than in UC up to week 14 (week 2, 18.7 vs. 14.7, P <0.001; week 6, 12.5 vs. 8.6, P <0.001; week 14, 3.4 vs. 2.5, P =0.001). The median ADA level (AU/mL) was significantly lower in CD than in UC at week 2 (6.3 vs. 6.5, P =0.046), week 30 (7.9 vs. 11.8, P =0.007), and week 54 (9.3 vs. 12.3, P =0.032). Development of ADA at week 2 [adjusted odds ratio (aOR)=0.15, P =0.026], initial C-reactive protein level (aOR=0.87, P =0.032), and CD over UC (aOR=1.92, P <0.001) were independent predictors of clinical remission at week 54. CONCLUSION Infliximab shows more favorable pharmacokinetics, including high drug trough and low ADA levels, in CD than in UC, which might result in better clinical outcomes for 1-year infliximab treatment in CD patients.
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Affiliation(s)
- Eun Soo Kim
- Department of Internal Medicine, Kyungpook National University, School of Medicine
| | - Sung Kook Kim
- Department of Internal Medicine, Kyungpook National University, School of Medicine
| | - Dong Il Park
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine
| | - Hyo Jong Kim
- Center for Crohn's and Colitis, Kyung Hee University Hospital
| | - Yoo Jin Lee
- Department of Internal Medicine, Keimyung University School of Medicine, Daegu
| | - Ja Seol Koo
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, Ansan Hospital, Korea University College of Medicine, Ansan
| | - Eun Sun Kim
- Department of Internal Medicine, Korea University College of Medicine
| | - Hyuk Yoon
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam
| | - Ji Hyun Lee
- Digestive Endoscopic Center, Seoul Song Do Colorectal Hospital
| | - Ji Won Kim
- Department of Internal Medicine, SMG-SNU Boramae Medical Center, Seoul National University College of Medicine
| | - Sung Jae Shin
- Department of Internal Medicine, Ajou University School of Medicine, Suwon
| | - Hyung Wook Kim
- Department of Internal Medicine, Pusan National University School of Medicine And Medical Research Institute
| | - Hyun-Soo Kim
- Department of Internal Medicine, Yonsei University Wonju College of Medicine, Wonju
| | - Young Sook Park
- Department of Internal Medicine, Eulji University School of Medicine, Eulji Hospital
| | - You Sun Kim
- Department of Internal Medicine, Seoul Paik Hospital, Inje University College of Medicine
| | - Tae Oh Kim
- Department of Internal Medicine, Haeundae Paik Hospital, Inje University College of Medicine, Busan
| | - Jun Lee
- Department of Internal Medicine, Chosun University, School of Medicine
| | - Chang Hwan Choi
- Department of Internal Medicine, College of Medicine, Chung-Ang University
| | - Dong Soo Han
- Department of Internal Medicine, Hanyang University College of Medicine, Guri, Korea
| | - Jaeyoung Chun
- Department of Internal Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul
| | - Hyun Soo Kim
- Department of Internal Medicine, Chonnam University Medical School, Gwangju
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Yang S, Park JW, Min K, Lee YS, Song YJ, Choi SH, Kim DY, Lee SH, Yang HS, Cha W, Kim JW, Oh BM, Seo HG, Kim MW, Woo HS, Park SJ, Jee S, Oh JS, Park KD, Jin YJ, Han S, Yoo D, Kim BH, Lee HH, Kim YH, Kang MG, Chung EJ, Kim BR, Kim TW, Ko EJ, Park YM, Park H, Kim MS, Seok J, Im S, Ko SH, Lim SH, Jung KW, Lee TH, Hong BY, Kim W, Shin WS, Lee YC, Park SJ, Lim J, Kim Y, Lee JH, Ahn KM, Paeng JY, Park J, Song YA, Seo KC, Ryu CH, Cho JK, Lee JH, Choi KH. Clinical Practice Guidelines for Oropharyngeal Dysphagia. Ann Rehabil Med 2023; 47:S1-S26. [PMID: 37501570 PMCID: PMC10405672 DOI: 10.5535/arm.23069] [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: 06/08/2023] [Accepted: 06/09/2023] [Indexed: 07/29/2023] Open
Abstract
OBJECTIVE Dysphagia is a common clinical condition characterized by difficulty in swallowing. It is sub-classified into oropharyngeal dysphagia, which refers to problems in the mouth and pharynx, and esophageal dysphagia, which refers to problems in the esophageal body and esophagogastric junction. Dysphagia can have a significant negative impact one's physical health and quality of life as its severity increases. Therefore, proper assessment and management of dysphagia are critical for improving swallowing function and preventing complications. Thus a guideline was developed to provide evidence-based recommendations for assessment and management in patients with dysphagia. METHODS Nineteen key questions on dysphagia were developed. These questions dealt with various aspects of problems related to dysphagia, including assessment, management, and complications. A literature search for relevant articles was conducted using Pubmed, Embase, the Cochrane Library, and one domestic database of KoreaMed, until April 2021. The level of evidence and recommendation grade were established according to the Grading of Recommendation Assessment, Development and Evaluation methodology. RESULTS Early screening and assessment of videofluoroscopic swallowing were recommended for assessing the presence of dysphagia. Therapeutic methods, such as tongue and pharyngeal muscle strengthening exercises and neuromuscular electrical stimulation with swallowing therapy, were effective in improving swallowing function and quality of life in patients with dysphagia. Nutritional intervention and an oral care program were also recommended. CONCLUSION This guideline presents recommendations for the assessment and management of patients with oropharyngeal dysphagia, including rehabilitative strategies.
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Affiliation(s)
- Seoyon Yang
- Department of Rehabilitation Medicine, Ewha Womans University Seoul Hospital, Ewha Womans University College of Medicine, Seoul, Korea
| | - Jin-Woo Park
- Department of Physical Medicine and Rehabilitation, Dongguk University Ilsan Hospital, Goyang, Korea
| | - Kyunghoon Min
- Department of Rehabilitation Medicine, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Yoon Se Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young-Jin Song
- Department of Occupational Therapy, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Seong Hee Choi
- Department Audiology and Speech-Language Pathology, Daegu Catholic University, Gyoungsan, Korea
| | - Doo Young Kim
- Department of Rehabilitation Medicine, International St. Mary’s Hospital, Catholic Kwandong University College of Medicine, Incheon, Korea
| | - Seung Hak Lee
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Hee Seung Yang
- Department of Physical Medicine and Rehabilitation, Veterans Health Service Medical Center, Seoul, Korea
| | - Wonjae Cha
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Bundang Hospital, Seoul National University College of Medicine, Seongnam, Korea
| | - Ji Won Kim
- Department of Otolaryngology, Inha University College of Medicine, Incheon, Korea
| | - Byung-Mo Oh
- Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Han Gil Seo
- Department of Rehabilitation Medicine, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Min-Wook Kim
- Department of Rehabilitation Medicine, Incheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Incheon, Korea
| | - Hee-Soon Woo
- Department of Occupational Therapy, School of Medicine, Wonkwang University, Iksan, Korea
| | - Sung-Jong Park
- Department of Speech Therapy, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Sungju Jee
- Department of Rehabilitation Medicine, Chungnam National University Hospital, College of Medicine, Chungnam National University, Daejeon, Korea
| | - Ju Sun Oh
- Department of Rehabilitation Medicine, Seoul Medical Center, Seoul, Korea
| | - Ki Deok Park
- Department of Rehabilitation Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, Korea
| | - Young Ju Jin
- Department of Otorhinolaryngology-Head and Neck Surgery, Kangwon National University Hospital, Kangwon National University College of Medicine, Chuncheon, Korea
| | - Sungjun Han
- Department of Otolaryngology-Head and Neck Surgery, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - DooHan Yoo
- Department of Occupational Therapy, Konyang University, Daejeon, Korea
| | - Bo Hae Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, Dongguk University Ilsan Hospital, Goyang, Korea
| | - Hyun Haeng Lee
- Deptartment of Rehabilitation Medicine, Konkuk University Medical Center, Seoul, Korea
| | - Yeo Hyung Kim
- Department of Rehabilitation Medicine, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Min-Gu Kang
- Department of Physical Medicine and Rehabilitation, Dong-A University College of Medicine, Busan, Korea
| | - Eun-Jae Chung
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, Seoul National University College of Medicine, Seoul, Korea
| | - Bo Ryun Kim
- Department of Physical Medicine and Rehabilitation, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Tae-Woo Kim
- Department of Rehabilitation Medicine, National Traffic Injury Rehabilitation Hospital, Yangpyeong, Korea
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul, Korea
| | - Eun Jae Ko
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Young Min Park
- Department of Otorhinolaryngology, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul, Korea
| | - Hanaro Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Samsung Changwon Hospital, Sungkyunkwan University School of Medicine, Changwon, Korea
| | - Min-Su Kim
- Department of Otorhinolaryngology-Head and Neck Surgery, CHA Bundang Medical Center, CHA University School of Medicine, Seongnam, Korea
| | - Jungirl Seok
- Department of Otorhinolaryngology-Head and Neck Surgery, Seoul National University Hospital, Seoul, Korea
| | - Sun Im
- Department of Rehabilitation Medicine, Bucheon St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Bucheon, Korea
| | - Sung-Hwa Ko
- Department of Rehabilitation Medicine, Pusan National University & Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Seong Hoon Lim
- Department of Rehabilitation Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Kee Wook Jung
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Tae Hee Lee
- Department of Gastroenterology, Konyang University College of Medicine, Daejeon, Korea
| | - Bo Young Hong
- Department of Rehabilitation Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Woojeong Kim
- Deptartment of Nutrition & Food Control, Gangnam Severance Hospital, Seoul, Korea
| | - Weon-Sun Shin
- Deptartment of Food & Nutrition, College of Human Ecology, Hanyang University, Seoul, Korea
| | - Young Chan Lee
- Department of Otorhinolaryngology-Head and Neck Surgery, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Sung Joon Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Chung-Ang University Gwangmyeong Hospital, Chung-Ang University College of Medicine, Gwangmyeong, Korea
| | - Jeonghyun Lim
- Department of Food Service & Nutrition Care, Seoul National University Hospital, Seoul, Korea
| | - Youngkook Kim
- Department of Rehabilitation Medicine, Yeouido St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | | | - Kang-Min Ahn
- Department of Oral and Maxillofacial Surgery, University of Ulsan College of Medicine, Seoul, Korea
| | - Jun-Young Paeng
- Department of Oral and Maxillofacial Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - JeongYun Park
- Department of Clinical Nursing, University of Ulsan, Seoul, Korea
| | - Young Ae Song
- Department of Nursing, Seoul National University Bundang Hospital, Seongnam, Korea
| | - Kyung Cheon Seo
- Department of Physical Medicine and Rehabilitation, Korea University Anam Hospital, Seoul, Korea
| | - Chang Hwan Ryu
- Department of Otolaryngology-Head and Neck Surgery, Center for Thyroid Cancer, Research Institute and Hospital, National Cancer Center, Goyang, Korea
| | - Jae-Keun Cho
- Department of Otorhinolaryngology-Head and Neck Surgery, Inje University Ilsan Paik Hospital, Inje University College of Medicine, Goyang, Korea
| | - Jee-Ho Lee
- Department of Oral and Maxillofacial Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
| | - Kyoung Hyo Choi
- Department of Rehabilitation Medicine, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Korea
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Ryu DS, Won DS, Kim JW, Park Y, Kim SH, Kang JM, Zeng CH, Lim D, Choi H, Park JH. Efficacy of closed cell self expandable metallic stent for peripheral arterial disease in the porcine iliac artery. Sci Rep 2023; 13:8601. [PMID: 37237009 DOI: 10.1038/s41598-023-35878-y] [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: 01/25/2023] [Accepted: 05/25/2023] [Indexed: 05/28/2023] Open
Abstract
This study aimed to investigate the efficacy of a closed-cell self-expandable metallic stent (SEMS) with or without expanded-polytetrafluoroethylene (e-PTFE)-covering membrane in a porcine iliac artery model. Twelve Yorkshire domestic pigs were divided into a bare closed-cell SEMS (B-SEMS) group (n = 6) and covered closed-cell SEMS (C-SEMS) group (n = 6). Both closed-cell SEMSs were placed in the right or left iliac artery. Thrombogenicity score in the C-SEMS group was significantly higher than that in the B-SEMS group (p = 0.004) after 4 weeks. Angiographic findings of mean luminal diameters at 4 weeks follow-up did not differ significantly between B-SEMS and C-SEMS groups. Neointimal hyperplasia thickness as well as degree of inflammatory cell infiltration and collagen deposition in the C-SEMS group was significantly greater than that in the B-SEMS group (p < 0.001). Closed-cell SEMSs successfully maintained patency for 4 weeks without stent-related complications in the porcine iliac artery. Although mild thrombus with neointimal hyperplasia was observed in the C-SEMS group, subsequent occlusion, and in-stent stenosis did not occur in any of the pigs until the end of the study. Closed-cell SEMS with or without the e-PTFE covering membrane is effective and safe for the porcine iliac artery.
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Affiliation(s)
- Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dohyung Lim
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Hyun Choi
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea.
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
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Kim SY, Shin SY, Park SJ, Im JP, Kim HJ, Lee KM, Kim JW, Jung SA, Lee J, Kang SB, Shin SJ, Kim ES, Kim YS, Kim TO, Kim HS, Park DI, Kim HK, Kim ES, Kim YH, Teng D, Kim JH, Kim W, Saeed M, Moon JM, Kim K, Choi CH, Choi HK. Changes in fecal metabolic and lipidomic features by anti-TNF treatment and prediction of clinical remission in patients with ulcerative colitis. Therap Adv Gastroenterol 2023; 16:17562848231168199. [PMID: 37153496 PMCID: PMC10161336 DOI: 10.1177/17562848231168199] [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] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 03/21/2023] [Indexed: 05/09/2023] Open
Abstract
Background Therapeutic targets for ulcerative colitis (UC) and prediction models of antitumor necrosis factor (TNF) therapy outcomes have not been fully reported. Objective Investigate the characteristic metabolite and lipid profiles of fecal samples of UC patients before and after adalimumab treatment and develop a prediction model of clinical remission following adalimumab treatment. Design Prospective, observational, multicenter study was conducted on moderate-to-severe UC patients (n = 116). Methods Fecal samples were collected from UC patients at 8 and 56 weeks of adalimumab treatment and from healthy controls (HC, n = 37). Clinical remission was assessed using the Mayo score. Metabolomic and lipidomic analyses were performed using gas chromatography mass spectrometry and nano electrospray ionization mass spectrometry, respectively. Orthogonal partial least squares discriminant analysis was performed to establish a remission prediction model. Results Fecal metabolites in UC patients markedly differed from those in HC at baseline and were changed similarly to those in HC during treatment; however, lipid profiles did not show these patterns. After treatment, the fecal characteristics of remitters (RM) were closer to those of HC than to those of non-remitters (NRM). At 8 and 56 weeks, amino acid levels in RM were lower than those in NRM and similar to those in HC. After 56 weeks, levels of 3-hydroxybutyrate, lysine, and phenethylamine decreased, and dodecanoate level increased in RM similarly to those in HC. The prediction model of long-term remission in male patients based on lipid biomarkers showed a higher performance than clinical markers. Conclusion Fecal metabolites in UC patients markedly differ from those in HC, and the levels in RM are changed similarly to those in HC after anti-TNF therapy. Moreover, 3-hydroxybutyrate, lysine, phenethylamine, and dodecanoate are suggested as potential therapeutic targets for UC. A prediction model of long-term remission based on lipid biomarkers may help implement personalized treatment.
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Affiliation(s)
- Seok-Young Kim
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Seung Yong Shin
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Soo Jung Park
- Department of Internal Medicine and Institute of Gastroenterology, Yonsei University College of Medicine, Seoul, South Korea
| | - Jong Pil Im
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, South Korea
| | - Hyo Jong Kim
- Department of Gastroenterology, Kyung Hee University Hospital, Seoul, South Korea
| | - Kang-Moon Lee
- Department of Gastroenterology, The Catholic University of Korea St. Vincent’s Hospital, Suwon, South Korea
| | - Ji Won Kim
- Department of Gastroenterology, SMG-SNU Boramae Medical Center, Seoul, South Korea
| | - Sung-Ae Jung
- Department of Gastroenterology, Ewha Woman’s University College of Medicine, Seoul, South Korea
| | - Jun Lee
- Department of Internal Medicine, College of Medicine, Chosun University, Gwangju, South Korea
| | - Sang-Bum Kang
- Department of Gastroenterology, The Catholic University of Korea Daejeon St. Mary’s Hospital, Daejeon, South Korea
| | - Sung Jae Shin
- Department of Gastroenterology, Ajou University School of Medicine, Suwon, South Korea
| | - Eun Sun Kim
- Department of Gastroenterology, Korea University Anam Hospital, Seoul, South Korea
| | - You Sun Kim
- Department of Gastroenterology, Inje University Seoul Paik Hospital, Seoul, South Korea
| | - Tae Oh Kim
- Department of Gastroenterology, Inje University Haeundae Paik Hospital, Busan, South Korea
| | - Hyun-Soo Kim
- Department of Gastroenterology, Chonnam National University Hospital, Gwangju, South Korea
| | - Dong Il Park
- Department of Internal Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University, Seoul, South Korea
| | - Hyung Kil Kim
- Department of Gastroenterology, Inha University Hospital, Incheon, South Korea
| | - Eun Soo Kim
- Department of Internal Medicine, Kyungpook National University, School of Medicine, Daegu, South Korea
| | - Young-Ho Kim
- Department of Internal Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | | | - Jong-Hwa Kim
- Department of Microbiology, Chung-Ang University, College of Medicine, Seoul, South Korea
| | - Wonyong Kim
- Department of Microbiology, Chung-Ang University, College of Medicine, Seoul, South Korea
| | - Maham Saeed
- College of Pharmacy, Chung-Ang University, Seoul, Republic of Korea
| | - Jung Min Moon
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Kisung Kim
- Department of Internal Medicine, Chung-Ang University College of Medicine, Seoul, Republic of Korea
| | - Chang Hwan Choi
- Professor of Medicine, Internal Medicine, Chung-Ang University College of Medicine, 102 Heukseok-ro, Dongjak-gu, Seoul 06973, Republic of Korea
| | - Hyung-Kyoon Choi
- Professor of College of Pharmacy, Chung-Ang University, 84 Heukseok-ro, Dongjak-gu, Seoul 06974, Republic of Korea
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Zeng CH, Kim SH, Kang JM, Park Y, Won DS, Kim JW, Ryu DS, Shim S, Kim DK, Shin JH, Park JH. Different routes of administering EW-7197 versus EW-7197⋅HBr for preventing peritoneal adhesion in a rat model. Surgery 2023; 173:1008-1014. [PMID: 36577598 DOI: 10.1016/j.surg.2022.11.016] [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: 08/30/2022] [Accepted: 11/16/2022] [Indexed: 12/27/2022]
Abstract
BACKGROUND The relatively low aqueous solubility of EW-7197 that was administered orally may have affected the desired concentration in the systemic circulation for treating peritoneal adhesion. This experimental study aimed to compare the efficacy of different routes of administering EW-7197 (2-fluoro-N-[(5-[6-methylpyridin-2-yl]-4-[(1,2,4)triazolo(1,5-a)pyridin-6-yl]-1H-imidazol-2-yl)methyl]aniline) and EW-7197·hydrobromide (HBr), with improved aqueous solubility, for inhibiting peritoneal adhesion in a rat model. METHODS After peritoneal adhesion induction, 30 male Sprague-Dawley rats were randomly divided into 5 groups with 6 rats in each: group A, sham control; group B, orally administered 25 mg/kg of EW-7197·HBr for 7 days; group C, locally administered 25 mg/kg of EW-7197·HBr; group D, orally administered 20 mg/kg of EW-7197 for 7 days; and group E, locally administered 20 mg/kg of EW-7197. Gross examination, histologic staining (hematoxylin and eosin and Masson's trichrome), and immunohistochemical analyses (Ki-67 and α-smooth muscle actin marker [α-SMA]) were performed to evaluate the efficacy of both drugs. RESULTS All procedures were technically successful. All treatment groups, except for group C, showed significantly reduced incidence, quality, tenacity, fibrosis, and collagen deposition scores and lowered expressions of Ki-67- and α-SMA-positive cells compared with group A. When comparing between groups, all scores were significantly lower in group B than in group C (all P < .001), whereas no significant difference was noted in any of the scores between groups D and E and groups B and E (all P > .05). CONCLUSION Orally administering EW-7197·HBr and both orally and locally administering EW-7197 significantly prevented peritoneal adhesion formation, and orally administering EW-7197·HBr was the most effective overall.
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Affiliation(s)
- Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea; Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Soyeon Shim
- EWHA DrugDesignHouse, Seoul, Republic of Korea
| | - Dae-Kee Kim
- EWHA DrugDesignHouse, Seoul, Republic of Korea
| | - Ji Hoon Shin
- Department of Radiology and Research Institute of Radiology, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea.
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea.
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Kim JW, Kim JM, Choi ME, Jeon EJ, Park JM, Kim YM, Choi JS. Adiponectin is associated with inflammaging and age-related salivary gland lipid accumulation. Aging (Albany NY) 2023; 15:1840-1858. [PMID: 36988495 PMCID: PMC10085617 DOI: 10.18632/aging.204618] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 03/17/2023] [Indexed: 03/29/2023]
Abstract
Dry mouth is frequently observed in the elderly, and enhanced lipid accumulation plays a critical role in cellular senescence in the salivary gland (SG). We investigated the mechanisms that mediate lipogenesis-associated SG senescence. Adult (28.6 ± 6.6 y.o. and 43.3 ± 1.5 y.o.) and aged (82.0 ± 4.3 y.o. and 88.0 ± 4.3 y.o.) human parotid and submandibular glands were compared with respect to histologic findings, 8-OHdG (8-hydroxy 2 deoxyguanosine) expression patterns, TUNEL (Terminal deoxynucleotidyl transferase dUTP nick end labeling) and SA-β-gal (senescence-associated β-galactosidase) assay results. Also, microarray analysis was performed on RNA extracted from adult and aged SG to identify DEGs (differentially expressed genes). The effects of silencing ADIPOQ (Adiponectin) were evaluated by quantifying cell proliferation, immunohistochemical staining for cellular senescence and inflammation-associated proteins, SA-β-gal assays, RT-PCR, and western blot. Histological findings demonstrated the presence of more lipocytes, chronic inflammation, fibrosis, and lymphocytic infiltration in old SG. In addition, old tissues demonstrated higher expressions of SA-β-gal, more apoptotic cells in TUNEL assays, and higher oxidative stress by 8-OHdG immunostaining. Microarray analysis showed lipogenesis was significantly upregulated in old tissues. Silencing of ADIPOQ (a lipogenesis-related gene) reduced inflammation and SA-β-gal levels and increased cell proliferation and the expressions of amylase and aquaporin 5 in human SG epithelial cells. The study shows ADIPOQ is a potential target molecule for the modulation of lipogenesis associated with SG senescence.
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Chung GE, Oh S, Ahn DW, Kim SH, Jung YJ, Kim JW, Kim BG, Lee KL, Jeong JB. Effects of additive interactions among obesity, visceral adiposity, and sarcopenia on nonalcoholic fatty liver disease. Sci Rep 2023; 13:3628. [PMID: 36869158 PMCID: PMC9984466 DOI: 10.1038/s41598-023-30833-3] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Accepted: 03/02/2023] [Indexed: 03/05/2023] Open
Abstract
Although the association of nonalcoholic fatty liver disease (NAFLD) with obesity or sarcopenia is known, few studies have investigated the combined effect of various body composition parameters on the risk of NAFLD. Thus, the aim of this study was to evaluate effects of interactions between various body composition parameters, including obesity, visceral adiposity, and sarcopenia, on NAFLD. Data of subjects who underwent health checkups between 2010 and December 2020 were retrospectively analyzed. Body composition parameters including appendicular skeletal muscle mass (ASM) and visceral adiposity were assessed using bioelectrical impedance analysis. Sarcopenia was defined as ASM/weight beyond two standard deviations below the gender-specific mean for healthy young adults. NAFLD was diagnosed using hepatic ultrasonography. Interaction analyses, including relative excess risk due to interaction (RERI), synergy index (SI), and attributable proportion due to interaction (AP), were performed. Among a total of 17,540 subjects (mean age: 46.7 years, 49.4% males), the prevalence of NAFLD was 35.9%. The odds ratio (OR) of interaction between obesity and visceral adiposity affecting NAFLD was 9.14 (95% CI: 8.29-10.07). The RERI was 2.63 (95% CI: 1.71-3.55), SI was 1.48 (95% CI: 1.29-1.69) and AP was 29%. The OR of interaction between obesity and sarcopenia affecting NAFLD was 8.46 (95% CI: 7.01-10.21). The RERI was 2.21 (95% CI: 0.51-3.90). SI was 1.42(95% CI: 1.11-1.82) and AP was 26%. The OR of interaction between sarcopenia and visceral adiposity affecting NAFLD was 7.25 (95% CI: 6.04-8.71), however, there was no significant additive interaction with RERI = 0.87 (95% CI: -0.76 to 2.51). Obesity, visceral adiposity, and sarcopenia were found to be positively associated with NAFLD. Obesity, visceral adiposity, and sarcopenia were found to have additive interaction effects on NAFLD.
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Affiliation(s)
- Goh Eun Chung
- Department of Internal Medicine and Healthcare Research Institute, Seoul National University Hospital Healthcare System Gangnam Center, Seoul, Republic of Korea
| | - Sohee Oh
- Medical Research Collaborating Center, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Republic of Korea
| | - Dong-Won Ahn
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
| | - Su Hwan Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
- Health Care Center, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Seoul, Republic of Korea
| | - Yong Jin Jung
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
| | - Ji Won Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
| | - Byeong Gwan Kim
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
| | - Kook Lae Lee
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea
| | - Ji Bong Jeong
- Department of Internal Medicine, Seoul National University College of Medicine, Seoul Metropolitan Government Seoul National University Boramae Medical Center, 20 Boramae-ro 5-gil, Dongjak-gu, Seoul, 07061, Republic of Korea.
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Yu J, Kim JW, Chandra G, Saito-Tarashima N, Nogi Y, Ota M, Minakawa N, Jeong LS. Synthesis of oligonucleotides containing 5'-homo-4'-selenouridine derivative and its increased resistance against nuclease. Bioorg Med Chem Lett 2023; 83:129172. [PMID: 36746352 DOI: 10.1016/j.bmcl.2023.129172] [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: 12/05/2022] [Revised: 01/31/2023] [Accepted: 02/03/2023] [Indexed: 02/08/2023]
Abstract
As technologies using RNA or DNA have been developed, various chemical modifications of nucleosides have been attempted to increase the stability of oligonucleotides. Since it is known that 2'-OMe-modification greatly contributes to increasing the stability of oligonucleotides, we added 2'-OMe to our previously developed 4'-selenonucleoside and 5'-homo-4'-selenonucleoside as the modified monomers for oligonucleotide: 2'-methoxy-4'-selenouridine (2'-OMe-4'-Se-U) and 5'-homo-2'-methoxy-4'-selenouridine (5'-homo-2'-OMe-4'-Se-U). We synthesized oligonucleotides containing the chemically modified 4'-selenouridine and evaluated their thermal stability and nuclease resistance. In conclusion, the nuclease stability of the oligonucleotide containing 5'-homo-2'-OMe-4'-selenouridine increased while its thermal stability decreased.
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Affiliation(s)
- Jinha Yu
- College of Pharmacy, Seoul National University, Seoul 08826, Korea; College of Pharmacy and Graduate School of Pharmaceutical Sciences, Ewha Womans University, Seoul 03760, Korea
| | - Ji Won Kim
- College of Pharmacy, Seoul National University, Seoul 08826, Korea
| | - Girish Chandra
- College of Pharmacy, Seoul National University, Seoul 08826, Korea; Central University of South Bihar, Panchanpur, Gaya, Bihar 824236, India
| | - Noriko Saito-Tarashima
- Graduate School of Pharmaceutical Science, Tokushima University, Shomachi 1-78-1, Tokushima 770-8505, Japan
| | - Yuhei Nogi
- Graduate School of Pharmaceutical Science, Tokushima University, Shomachi 1-78-1, Tokushima 770-8505, Japan
| | - Masashi Ota
- Graduate School of Pharmaceutical Science, Tokushima University, Shomachi 1-78-1, Tokushima 770-8505, Japan
| | - Noriaki Minakawa
- Graduate School of Pharmaceutical Science, Tokushima University, Shomachi 1-78-1, Tokushima 770-8505, Japan
| | - Lak Shin Jeong
- College of Pharmacy, Seoul National University, Seoul 08826, Korea.
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Ryu JH, Park J, Kim JW, Shin YI, Lee SD, Oh Y, Kang SW. Exploring the Effects of 630 nm Wavelength of Light-Emitting Diode Irradiation on the Proliferation and Migration Ability of Human Biceps Tendon Fibroblast Cells. Clin Orthop Surg 2023; 15:166-174. [PMID: 36779000 PMCID: PMC9880516 DOI: 10.4055/cios22132] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Revised: 05/24/2022] [Accepted: 05/24/2022] [Indexed: 11/06/2022] Open
Abstract
Background Light-emitting diode (LED)-based photobiomodulation is used as an inducer of cell regeneration. Although numerous in vitro and in vivo orthopedic studies have been conducted, the ideal LED wavelength range for tendon healing has not yet been determined. This study, thus, focused on the effects of LED of a 630 nm wavelength on the cell viability, proliferation, and migration of human biceps tendon fibroblast cells. Methods Human tendon fibroblast cell culture was performed using the biceps tendon of patients who had undergone biceps tenodesis. Human biceps tendon fibroblasts from two patients (male, aged 42 and 69 years) were isolated and cultured. The cell type was confirmed by a morphological analysis and using tendon and fibroblast specific markers. They were then split into three groups, with each receiving a different irradiation treatment: no LED treatment (control), 630 nm LED, and 630 nm + 880 nm LED for 20 minutes each. After the LED treatment, cell viability, proliferation, and migration assays were performed, and the results were compared between the groups. Results Twenty-four hours after LED treatment, cell viability and proliferation were significantly increased in the 630 nm LED and 630 nm + 880 nm LED treatment groups compared to that in the control group (p < 0.05). Under the same conditions, compared with the control group, the 630 nm LED alone treatment group showed a 3.06 ± 0.21 times higher cell migration rate (p < 0.05), and the 630 nm + 880 nm LED combination treatment group showed a 2.88 ± 0.20 times higher cell migration rate (p < 0.05) in three-dimensional migration assay. Conclusions In human tendon fibroblast cells, 20 minutes of LED treatment at 630 nm and 630 nm + 880 nm exhibited significant effects on cell proliferation and migration. Our findings suggest the potential of LED therapy as an adjuvant treatment for tendon healing, and hence, further research is warranted to standardize the various parameters to further develop and establish this as a reliable treatment regimen.
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Affiliation(s)
- Ji Hyeon Ryu
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Jisu Park
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Ji Won Kim
- Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Yong-Il Shin
- Department of Rehabilitation Medicine, Pusan National University School of Medicine, Yangsan, Korea
| | - Sang Don Lee
- Department of Urology, Pusan National University School of Medicine, Yangsan, Korea
| | - Youngkwang Oh
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
| | - Suk-Woong Kang
- Department of Orthopedic Surgery, Research Institute for Convergence of Biomedical Science and Technology, Pusan National University Yangsan Hospital, Yangsan, Korea
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Amaneesh C, Anna Balan S, Silpa PS, Kim JW, Greeshma K, Aswathi Mohan A, Robert Antony A, Grossart HP, Kim HS, Ramanan R. Gross Negligence: Impacts of Microplastics and Plastic Leachates on Phytoplankton Community and Ecosystem Dynamics. Environ Sci Technol 2023; 57:5-24. [PMID: 36534053 DOI: 10.1021/acs.est.2c05817] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Plastic debris is an established environmental menace affecting aquatic systems globally. Recently, microplastics (MP) and plastic leachates (PL) have been detected in vital human organs, the vascular system, and in vitro animal studies positing severe health hazards. MP and PL have been found in every conceivable aquatic ecosystem─from open oceans and deep sea floors to supposedly pristine glacier lakes and snow covered mountain catchment sites. Many studies have documented the MP and PL impacts on a variety of aquatic organisms, whereby some exclusively focus on aquatic microorganisms. Yet, the specific MP and PL impacts on primary producers have not been systematically analyzed. Therefore, this review focuses on the threats posed by MP, PL, and associated chemicals on phytoplankton, their comprehensive impacts at organismal, community, and ecosystem scales, and their endogenous amelioration. Studies on MP- and PL-impacted individual phytoplankton species reveal the production of reactive oxygen species, lipid peroxidation, physical damage of thylakoids, and other physiological and metabolic changes, followed by homo- and heteroaggregations, ultimately eventuating in decreased photosynthesis and primary productivity. Likewise, analyses of the microbial community in the plastisphere show a radically different profile compared to the surrounding planktonic diversity. The plastisphere also enriches multidrug-resistant bacteria, cyanotoxins, and pollutants, accelerating microbial succession, changing the microbiome, and thus, affecting phytoplankton diversity and evolution. These impacts on cellular and community scales manifest in changed ecosystem dynamics with widespread bottom-up and top-down effects on aquatic biodiversity and food web interactions. These adverse effects─through altered nutrient cycling─have "knock-on" impacts on biogeochemical cycles and greenhouse gases. Consequently, these impacts affect provisioning and regulating ecosystem services. Our citation network analyses (CNA) further demonstrate dire effects of MP and PL on all trophic levels, thereby unsettling ecosystem stability and services. CNA points to several emerging nodes indicating combined toxicity of MP, PL, and their associated hazards on phytoplankton. Taken together, our study shows that ecotoxicity of plastic particles and their leachates have placed primary producers and some aquatic ecosystems in peril.
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Affiliation(s)
- C Amaneesh
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Shankari Anna Balan
- Centre for Ecology and Hydrology, Maclean Building, Benson Lane, Wallingford, Oxfordshire OX10 8BB, United Kingdom
- Wageningen University & Research, P.O. Box 8000, 6700 EA, Wageningen, Netherlands
| | - P S Silpa
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Ji Won Kim
- Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Environmental Biotechnology, KRIBB School of Biotechnology, Korea University of Science and Technology (UST), 34113, Daejeon, Republic of Korea
| | - Kozhumal Greeshma
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - A Aswathi Mohan
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Aiswarya Robert Antony
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
| | - Hans-Peter Grossart
- Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Department of Plankton and Microbial Ecology, 12587 Berlin, Germany
- Potsdam University, Institute of Biochemistry and Biology, 14469 Potsdam, Germany
| | - Hee-Sik Kim
- Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Department of Environmental Biotechnology, KRIBB School of Biotechnology, Korea University of Science and Technology (UST), 34113, Daejeon, Republic of Korea
| | - Rishiram Ramanan
- Sustainable Resources Laboratory, Department of Environmental Science, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
- Cell Factory Research Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), Daejeon 34141, Republic of Korea
- Centre for Policy Research & Governance, Central University of Kerala, Tejaswini Hills, Periya, Kasaragod, Kerala 671316, India
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Kang JM, Kim SH, Ryu DS, Park Y, Won DS, Kim JW, Zeng CH, Park JH, Park HJ. Preliminary results of absorbable magnesium stent for treating eustachian tube dysfunction in a porcine model. PLoS One 2023; 18:e0284584. [PMID: 37098019 PMCID: PMC10128956 DOI: 10.1371/journal.pone.0284584] [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: 02/15/2023] [Accepted: 04/03/2023] [Indexed: 04/26/2023] Open
Abstract
Absorbable magnesium (Mg) stents have an attractive biocompatibility and rapid degradation rate, but their degradable behavior and efficacy in the Eustachian tube (ET) have not yet been investigated. In this study, the degradable behavior of the Mg stent in artificial nasal mucus was evaluated. The Mg stents in the porcine ET model were also investigated to evaluate their safety and efficacy. Four Mg stents were placed into the four ETs of two pigs. The mass loss rate of the Mg stents gradually decreased over time. The decrease rates were 30.96% at one week, 49.00% at two weeks, and 71.80% at four weeks. On the basis of histological findings, the thickness of submucosal tissue hyperplasia and the degree of inflammatory cell infiltration significantly decreased at four weeks compared with two weeks. Biodegradation of the Mg stent occurred before tissue proliferative reactions, and the ET patency was successfully maintained without stent-induced tissue hyperplasia at four weeks. The Mg stent that biodegrades rapidly seems to be effective and safe in porcine ET. Further investigation is required to verify the optimal stent shape and indwell period in the ET.
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Affiliation(s)
- Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
- Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, Seoul, Republic of Korea
| | - Hong Ju Park
- Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, Seoul, Republic of Korea
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Kim KW, Kang HW, Yoo H, Jun Y, Lee HJ, Im JP, Kim JW, Kim JS, Koh SJ, Jung YJ. Association between severe hepatic steatosis examined by Fibroscan and the risk of high-risk colorectal neoplasia. PLoS One 2022; 17:e0279242. [PMID: 36548355 PMCID: PMC9778623 DOI: 10.1371/journal.pone.0279242] [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] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Accepted: 12/03/2022] [Indexed: 12/24/2022] Open
Abstract
The prevalence of colorectal neoplasm in patients with non-alcoholic fatty liver disease has increased twice as high as that in the general population. FibroScan is a new modality for evaluating hepatic steatosis. This study aimed to investigate the relationship between the risk of high-risk colorectal neoplasia and hepatic steatosis examined using FibroScan. This was a cross sectional study of prospectively enrolled subjects who were scheduled to undergo index colonoscopy as a health screening between March 2018 and February 2019. The severity of steatosis was graded as normal, mild, moderate, or severe using FibroScan. A total of 140 consecutive subjects were enrolled and sequentially examined using FibroScan and colonoscopy. Subjects with hepatic steatosis had more high-risk colorectal neoplasia than those without hepatic steatosis. In addition, tumor size was larger in subjects with hepatic steatosis. In multivariable analysis, severe hepatic steatosis was an independent risk factor for high-risk colorectal neoplasia (adjusted odds ratio: 3.309, confidence interval: 1.043-10.498, p = 0.042). Alcohol consumption was also identified as a risk factor for high-risk colorectal neoplasia. In conclusion, severe hepatic steatosis on FibroScan is associated with the development of high-risk colorectal neoplasia. Thus, physicians should be aware of the association between colorectal neoplasia and hepatic steatosis assessed by FibroScan and its clinical implications.
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Affiliation(s)
- Kwang Woo Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
- Laboratory of Intestinal Mucosa and Skin Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hyoun Woo Kang
- Division of Gastroenterology, Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Hosun Yoo
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
- Laboratory of Intestinal Mucosa and Skin Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Yukyung Jun
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
- Laboratory of Intestinal Mucosa and Skin Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
- Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam-si, Republic of Korea
| | - Hyun Jung Lee
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Jong Pil Im
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Ji Won Kim
- Laboratory of Intestinal Mucosa and Skin Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
- Division of Gastroenterology, Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Joo Sung Kim
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Seong-Joon Koh
- Department of Internal Medicine and Liver Research Institute, Seoul National University College of Medicine, Seoul, Republic of Korea
- Laboratory of Intestinal Mucosa and Skin Immunology, Seoul National University College of Medicine, Seoul, Republic of Korea
- * E-mail: (YJJ); (S-JK)
| | - Yong Jin Jung
- Division of Gastroenterology, Department of Internal Medicine, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, Seoul, Republic of Korea
- * E-mail: (YJJ); (S-JK)
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Lee D, Kim JW, Lee CY, Oh J, Hwang SH, Jo M, Kim SA, Choi W, Noh JK, Yi DK, Song M, Kim HG, Cho JY. Guettarda crispiflora Vahl Methanol Extract Ameliorates Acute Lung Injury and Gastritis by Suppressing Src Phosphorylation. Plants (Basel) 2022; 11:3560. [PMID: 36559672 PMCID: PMC9784507 DOI: 10.3390/plants11243560] [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] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 12/07/2022] [Accepted: 12/14/2022] [Indexed: 06/17/2023]
Abstract
Many species in the genus Guettarda are known to exert anti-inflammatory effects and are used as traditional medicinal plants to treat various inflammatory symptoms. However, no studies on the inflammatory activities of Guettarda crispiflora Vahl have been reported. The aim of the study was to investigate in vitro and in vivo the anti-inflammatory effects of a methanol extract of Guettarda crispiflora Vahl (Gc-ME). To determine the anti-inflammatory activity of Gc-ME, lipopolysaccharide (LPS)-, poly(I:C)-, or Pam3CSK4-treated RAW264.7 cells, HCl/EtOH- and LPS-treated mice were employed for in vitro and in vivo tests. LPS-induced nitric oxide production in RAW264.7 cells was determined by Griess assays and cytokine gene expression in LPS-activated RAW264.7 cells, confirmed by RT- and real-time PCR. Transcriptional activation was evaluated by luciferase reporter gene assay. Target protein validation was assessed by Western blot analysis and cellular thermal shift assays (CETSA) with LPS-treated RAW264.7 and gene-transfected HEK293 cells. Using both a HCl/EtOH-induced gastritis model and an LPS-induced lung injury model, inflammatory states were checked by scoring or evaluating gastric lesions, lung edema, and lung histology. Phytochemical fingerprinting of Gc-ME was observed by using liquid chromatography-mass spectrometry. Nitric oxide production induced by LPS and Pam3CSK4 in RAW264.7 cells was revealed to be reduced by Gc-ME. The LPS-induced upregulation of iNOS, COX-2, IL-6, and IL-1β was also suppressed by Gc-ME treatment. Gc-ME downregulated the promotor activities of AP-1 and NF-κB triggered by MyD88- and TRIF induction. Upstream signaling proteins for NF-κB activation, namely, p-p50, p-p65, p-IκBα, and p-Src were all downregulated by Ch-EE. Moreover, Src was revealed to be directly targeted by Gc-ME. This extract, orally treated strongly, attenuated the inflammatory symptoms in HCl/EtOH-treated stomachs and LPS-treated lungs. Therefore, these results strongly imply that Guettarda crispiflora can be developed as a promising anti-inflammatory remedy with Src-suppressive properties.
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Affiliation(s)
- Dahae Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Ji Won Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Chae Young Lee
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jieun Oh
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - So Hyun Hwang
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Minkyeong Jo
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Seung A Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Wooram Choi
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | | | - Dong-Keun Yi
- International Biological Material Research Center, Korea Research Institute of Bioscience and Biotechnology, Daejeon 34141, Republic of Korea
| | - Minkyung Song
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Han Gyung Kim
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Biomedical Institute for Convergence at SKKU, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Jae Youl Cho
- Department of Integrative Biotechnology, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Research Institute of Biomolecule Control, Sungkyunkwan University, Suwon 16419, Republic of Korea
- Biomedical Institute for Convergence at SKKU, Sungkyunkwan University, Suwon 16419, Republic of Korea
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Park JK, Ahn SY, Seok SH, Park SY, Bang S, Eum JH, Kwak IP, Kim JW, Lee WS. Clinical Usability of Embryo Development Using a Combined Qualitative and Quantitative Approach in a Single Vitrified-Warmed Blastocyst Transfer: Assessment of Pre-Vitrified Blastocyst Diameter and Post-Warmed Blastocyst Re-Expansion Speed. J Clin Med 2022; 11:jcm11237085. [PMID: 36498659 PMCID: PMC9736480 DOI: 10.3390/jcm11237085] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 11/08/2022] [Accepted: 11/25/2022] [Indexed: 12/04/2022] Open
Abstract
Improving the safety and efficacy of assisted reproductive technology programs has been a continuous challenge. Traditionally, morphological grading has been used for embryo selection. However, only a few studies have assessed the morphokinetic variables and morphological dynamics of blastocysts. In the present study, we aimed to perform a quantitative analysis of blastocyst diameter and re-expansion speed. This in-depth morphokinetic evaluation can correlate with currently observed pregnancy outcomes. In total, 658 single vitrified-warmed blastocyst transfer cycles were performed between October 2017 and December 2021, which were divided into four groups according to the pre-vitrified blastocyst diameter. After warming, the groups were subdivided according to the blastocyst re-expansion speed. These quantitative measurements were performed using a time-lapse system. Both diameter and speed are essential in determining the blastocyst quality, while age, day of freezing, and blastocyst quality are crucial from a clinical perspective. The application of both quantitative (diameter and speed) and qualitative (blastocyst quality scores) parameters can help evaluate the clinical usability of blastocysts. This method can prove useful for embryologists in counseling their patients and determining pregnancy patient-oriented strategies.
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Kang JM, Kim SH, Ryu DS, Park Y, Won DS, Kim JW, Zeng CH, Kang WS, Park JH, Park HJ. Tapered self-expandable metallic stent optimized for Eustachian tube morphology in a porcine ET model. Sci Rep 2022; 12:20290. [PMID: 36434004 PMCID: PMC9700756 DOI: 10.1038/s41598-022-24615-6] [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: 07/06/2022] [Accepted: 11/17/2022] [Indexed: 11/27/2022] Open
Abstract
Several investigations on the feasibility of stent placement into the Eustachian tube (ET) are being conducted. However, stents optimized for the anatomical structure of the ET have not yet been developed. In this study, the efficacy and safety of a self-expandable metallic stent (SEMS) optimized for porcine ET morphology was investigated. Silicone was injected into a cadaveric porcine ET to analyze the ET morphology. The three-dimensional-reconstructed porcine ET phantom images obtained after a computed tomography scan were measured to determine the dimensions of the porcine ET. The SEMS was designed as a tapered structure on the basis of the morphological findings of the porcine ET. The tapered SEMS (T-SEMS) and conventional SEMS (C-SEMS) were placed into the porcine ET to compare the safety and efficacy of the two types of SEMSs. Stent-induced tissue hyperplasia in the T-SEMS group was significantly lower than that in the C-SEMS group (p < 0.001). The T-SEMS optimized for the porcine ET was effective in maintaining stent patency. T-SEMS seems to be better than C-SEMS in suppressing stent-induced tissue hyperplasia, owing to the reduced stent-mediated mechanical injuries and maintaining ET patency.
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Affiliation(s)
- Jeon Min Kang
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea ,grid.267370.70000 0004 0533 4667Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Song Hee Kim
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Dae Sung Ryu
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Yubeen Park
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Dong-Sung Won
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Ji Won Kim
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Chu Hui Zeng
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Woo Seok Kang
- grid.267370.70000 0004 0533 4667Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Jung-Hoon Park
- grid.413967.e0000 0001 0842 2126Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
| | - Hong Ju Park
- grid.267370.70000 0004 0533 4667Department of Otorhinolaryngology-Head and Neck Surgery, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505 Republic of Korea
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Kim SH, Jeong S, Kang JM, Park Y, Ryu DS, Won DS, Kim JW, Zeng CH, Kim HS, Kim HB, Lee SS, Park JH. Image-guided stent-directed irreversible electroporation for circumferential ablation in the rat esophagus. Front Bioeng Biotechnol 2022; 10:934858. [DOI: 10.3389/fbioe.2022.934858] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 10/31/2022] [Indexed: 11/18/2022] Open
Abstract
Background: Irreversible electroporation (IRE) has been investigated in the alimentary tract; however, the lack of dedicated electrodes and insufficient tissue responses made its application limited. The aim of this study was to investigate the efficacy and safety of image-guided stent-directed IRE in the rat esophagus.Methods: The bipolar self-expandable electrode (SE) was developed using the braiding technique. A finite element analysis was performed to validate optimal electrical field strength for the rat esophagus. A total of 40 out of 50 rats received stent-directed IRE and were sacrificed at 10 h, 3 days, 7 days, and 28 days of 10 each. The remaining ten rats underwent a sham procedure. The outcomes of stent-directed IRE were assessed by esophagography and histological responses.Results: Stent-directed IRE was technically successful in all rats with mild muscle contraction. The heart rate dropped immediately and gradually recovered at 180 s. TUNEL and caspase-3 with submucosal thickness significantly increased at 10 h and Day 3 compared with those of the sham control (all p < 0.001). The thickness of epithelial layers with collagen deposition significantly decreased at 10 h and Day 3 (all p < 0.001), however, increased at Day 7 compared with that of the sham control (all p < 0.05). The Ki67-positive deposition significantly increased at Day 3 and 7 compared with that of the sham control (all p < 0.001). All variables were similar to those of the sham control at Day 28.Conclusion: Image-guided stent-directed IRE was effective and safe in the rat esophagus. It seems to have effectively and evenly induced cell death and gradually recovered with cellular regeneration.
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Gupta N, Song H, Wu W, Ponce RK, Lin YK, Kim JW, Small EJ, Feng FY, Huang FW, Okimoto RA. The CIC-ERF co-deletion underlies fusion-independent activation of ETS family member, ETV1, to drive prostate cancer progression. eLife 2022; 11:77072. [PMID: 36383412 PMCID: PMC9668335 DOI: 10.7554/elife.77072] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [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: 01/14/2022] [Accepted: 10/16/2022] [Indexed: 11/13/2022] Open
Abstract
Human prostate cancer can result from chromosomal rearrangements that lead to aberrant ETS gene expression. The mechanisms that lead to fusion-independent ETS factor upregulation and prostate oncogenesis remain relatively unknown. Here, we show that two neighboring transcription factors, Capicua (CIC) and ETS2 repressor factor (ERF), which are co-deleted in human prostate tumors can drive prostate oncogenesis. Concurrent CIC and ERF loss commonly occur through focal genomic deletions at chromosome 19q13.2. Mechanistically, CIC and ERF co-bind the proximal regulatory element and mutually repress the ETS transcription factor, ETV1. Targeting ETV1 in CIC and ERF-deficient prostate cancer limits tumor growth. Thus, we have uncovered a fusion-independent mode of ETS transcriptional activation defined by concurrent loss of CIC and ERF.
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Affiliation(s)
- Nehal Gupta
- Department of Medicine, University of California, San Francisco, United States
| | - Hanbing Song
- Department of Medicine, University of California, San Francisco, United States
| | - Wei Wu
- Department of Medicine, University of California, San Francisco, United States
| | - Rovingaile K Ponce
- Department of Medicine, University of California, San Francisco, United States
| | - Yone K Lin
- Department of Medicine, University of California, San Francisco, United States
| | - Ji Won Kim
- Department of Medicine, University of California, San Francisco, United States
| | - Eric J Small
- Department of Medicine, University of California, San Francisco, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, United States
| | - Felix Y Feng
- Department of Medicine, University of California, San Francisco, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, United States.,Department of Radiation Oncology, University of California, San Francisco, United States
| | - Franklin W Huang
- Department of Medicine, University of California, San Francisco, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, United States
| | - Ross A Okimoto
- Department of Medicine, University of California, San Francisco, United States.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, United States
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Lim CS, Jang YH, Lee GY, Han GM, Jeong HJ, Kim JW, Lee JO. TLR3 forms a highly organized cluster when bound to a poly(I:C) RNA ligand. Nat Commun 2022; 13:6876. [PMID: 36371424 PMCID: PMC9653405 DOI: 10.1038/s41467-022-34602-0] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Accepted: 10/25/2022] [Indexed: 11/15/2022] Open
Abstract
Toll-like Receptor 3 (TLR3) initiates a potent anti-viral immune response by binding to double-stranded RNA ligands. Previous crystallographic studies showed that TLR3 forms a homodimer when bound to a 46-base pair RNA ligand. However, this short RNA fails to initiate a robust immune response. To obtain structural insights into the length dependency of TLR3 ligands, we determine the cryo-electron microscopy structure of full-length TLR3 in a complex with a synthetic RNA ligand with an average length of ~400 base pairs. In the structure, the dimeric TLR3 units are clustered along the double-stranded RNA helix in a highly organized and cooperative fashion with a uniform inter-dimer spacing of 103 angstroms. The intracellular and transmembrane domains are dispensable for the clustering because their deletion does not interfere with the cluster formation. Our structural observation suggests that ligand-induced clustering of TLR3 dimers triggers the ordered assembly of intracellular signaling adaptors and initiates a robust innate immune response.
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Affiliation(s)
- Chan Seok Lim
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea
| | - Yoon Ha Jang
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea
| | - Ga Young Lee
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea
| | - Gu Min Han
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea
| | - Hye Jin Jeong
- grid.49100.3c0000 0001 0742 4007Institute of Membrane Proteins, POSTECH, Pohang, 37673 Korea
| | - Ji Won Kim
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea ,grid.49100.3c0000 0001 0742 4007Institute of Membrane Proteins, POSTECH, Pohang, 37673 Korea
| | - Jie-Oh Lee
- Department of Life Sciences and POSTECH, Pohang, 37673 Korea ,grid.49100.3c0000 0001 0742 4007Institute of Membrane Proteins, POSTECH, Pohang, 37673 Korea
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Won DS, Park Y, An J, Ryu DS, Kang JM, Kim JW, Kim SH, Zeng CH, Kim H, Kim HS, Park JH, Lee SS. Stent-based electrode for radiofrequency ablation in the rat esophagus: a preliminary study. Sci Rep 2022; 12:19135. [PMID: 36352051 PMCID: PMC9646798 DOI: 10.1038/s41598-022-23472-7] [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] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2022] [Accepted: 11/01/2022] [Indexed: 11/10/2022] Open
Abstract
Endoluminal radiofrequency (RF) ablation has been widely used as a safe and effective treatment for Barrett's esophagus. However, inadequate RF ablation may occur due to insufficient contact between the electrode and target tissues. Herein, a stent-based monopolar RF electrode (SE) was developed to evenly deliver RF energy to the inner wall of the rat esophagus. The optimal RF parameters were evaluated in the exposed rat esophagus. The temperature in the rat esophagus reached 70 ℃ in 89 s at 30 W, 59 s at 40 W, and 34 s at 50 W. The technical feasibility and efficacy of RF ablation using SE were evaluated based on changes in histological transformation and immunohistochemical parameters of tissues compared at immediately, 1 and 2 weeks after the procedure. The degrees of inflammatory cell infiltration, fibrotic changes, TUNEL, and HSP70 in the RF-ablated rat esophagus were significantly higher than compared with sham control (all p < 0.05). TUNEL-positive deposition gradually decreased, but HSP 70-positive deposition maintained a similar level for 2 weeks. The stent-based RF ablation was technically feasible and effective in evenly inducing thermal damages to the rat esophagus. The RF ablation system using the SE may represent a promising treatment for endoluminal malignancies.
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Affiliation(s)
- Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Jinsu An
- Department of Biomedical Engineering, School of ICT Convergence Engineering, College of Science & Technology, Konkuk University, Chungju, Republic of Korea
| | - Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea
| | - Hongbae Kim
- Department of Biosystems & Biomaterials Science and Engineering, Seoul National University, Seoul, 08826, Republic of Korea
| | - Hyung-Sik Kim
- Department of Mechatronics Engineering, School of ICT Convergence Engineering, College of Science & Technology, Konkuk University, Chungju, Republic of Korea
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea.
| | - Sang Soo Lee
- Department of Gastroenterology, Asan Medical Center, University of Ulsan College of Medicine, 88 Olympic-Ro 43-Gil, Songpa-Gu, Seoul, 05505, Republic of Korea.
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Kim JW, Grounds BE, Van Bokkem KC, Raiciulescu S, Spitzer TL. Impact of Oral Ovulatory Induction Medications Among Female Military Members and Military Beneficiaries. Mil Med 2022; 188:usac307. [PMID: 36260066 DOI: 10.1093/milmed/usac307] [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: 06/08/2022] [Revised: 07/22/2022] [Accepted: 10/01/2022] [Indexed: 11/13/2022] Open
Abstract
INTRODUCTION Twelve percent of reproductive aged females in the United States have utilized fertility services, and it is estimated that 25% of infertility patients have ovulatory dysfunction. Clomiphene and letrozole are currently first-line treatment options for ovulatory dysfunction. These are both disqualifying medications in the U.S. Navy and Air Force for duties that involve flying. These medication restrictions could reduce the likelihood of female aviators seeking infertility treatment. This pilot study seeks to evaluate the severity of common side effects in order to provide recommendations to the current aeromedical guidelines. MATERIALS AND METHODS An anonymous survey was provided to all active duty and dependent patients who presented to the infertility clinic at a single military medical center for a mid-cycle scan from February 2021 to February 2022. The survey included demographic, treatment cycle, medication type, medication dose, and the presence and severity of common adverse reactions. The provider additionally recorded the number of dominant follicles that were noted at the time of ultrasound. The Kruskal-Wallis test was used to analyze the severity of adverse effects, and chi-square analysis was used to compare the difference in symptoms from previous cycles. RESULTS A total of 569 surveys were collected. Of the participants, 45.4% were military members and 3.5% worked in the field of aviation. Letrozole was prescribed to 88.7% of the patients. Less than 3% reported severe or debilitating side effects. There was no difference in presence or severity when comparing the cycle number. CONCLUSIONS The majority of side effects for oral ovulation induction medications were described as slight or mild. Therefore, this study provides evidence-based data of severity side effects that could be used to guide the waiver process and improve readiness for female aviators in the military.
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Affiliation(s)
- Ji Won Kim
- School of Medicine, Uniformed Services University of the Health Sciences, Bethesda, MD 20814, USA
- Department of Gynecologic Surgery and Obstetrics, Brooke Army Medical Center, Fort Sam Houston, TX 78234,USA
| | - Benjamin E Grounds
- Department of Gynecologic Surgery and Obstetrics, Naval Medical Center Portsmouth, Portsmouth, VA 23708, USA
| | - Kelsey C Van Bokkem
- Department of Gynecologic Surgery and Obstetrics, Naval Medical Center Portsmouth, Portsmouth, VA 23708, USA
| | - Sorana Raiciulescu
- Department of Preventative Medicine and Biostatistics, Brooke Army Medical Center, Fort Sam Houston, TX 78234, USA
| | - Trimble L Spitzer
- Department of Gynecologic Surgery and Obstetrics, Naval Medical Center Portsmouth, Portsmouth, VA 23708, USA
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Ryu DS, Won DS, Kim JW, Park Y, Kim SH, Kang JM, Zeng CH, Lim D, Choi H, Park JH. Efficacy of thermoplastic polyurethane and gelatin blended nanofibers covered stent graft in the porcine iliac artery. Sci Rep 2022; 12:16524. [PMID: 36192510 PMCID: PMC9529973 DOI: 10.1038/s41598-022-20950-w] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Accepted: 09/21/2022] [Indexed: 11/09/2022] Open
Abstract
Stent-grafts composed of expanded polytetrafluoroethylene (e-PTFE), polyethylene terephthalate (PET) and polyurethane (PU) are characterized by poor endothelialization, high modulus, and low compliance, leading to thrombosis and intimal hyperplasia. A composite synthetic/natural matrix is considered a promising alternative to conventional synthetic stent-grafts. This study aimed to investigate the efficacy of thermoplastic polyurethane (TPU) and gelatin (GL) blended nanofibers (NFs) covered stent-graft in the porcine iliac artery. Twelve pigs were randomly sacrificed 7 days (n = 6) and 28 days (n = 6) after stent-graft placement. The thrombogenicity score at 28 days was significantly increased compared at 7 days (p < 0.001). The thickness of neointimal hyperplasia, degree of inflammatory cell infiltration, and degree of collagen deposition were significantly higher at 28 days than at 7 days (all p < 0.001). The TPU and GL blended NFs-covered stent-grafts successfully maintained the patency for 28 days in the porcine iliac artery. Although thrombosis with neointimal tissue were observed, no subsequent occlusion of the stent-graft was noted until the end of the study. Composite synthetic/natural matrix-covered stent-grafts may be promising for prolonging stent-graft patency.
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Affiliation(s)
- Dae Sung Ryu
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dong-Sung Won
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Ji Won Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Yubeen Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Song Hee Kim
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Jeon Min Kang
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Chu Hui Zeng
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea
| | - Dohyung Lim
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea
| | - Hyun Choi
- Department of Mechanical Engineering, Sejong University, 209, Neungdong-ro, Gwangjin-gu, Seoul, 05006, Republic of Korea.
| | - Jung-Hoon Park
- Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, 88 Olympic-ro 43-gil, Songpa-gu, Seoul, 05505, Republic of Korea.
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48
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Eum JH, Yoon SY, Park M, Yoon J, Jeon H, Kim JW, Lee WS. THE LEVEL OF EXPRESSION OF MESSENGER PLCZ IN SPERM MIGHT BE CORRELATED TO EMBRYONIC DEVELOPMENTAL COMPETENCE IN ART. Fertil Steril 2022. [DOI: 10.1016/j.fertnstert.2022.08.415] [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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49
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Hong SH, Lee DS, Kim JW, Lee KL, Kang HW, Kim SH. [Hyponatremic Seizure after Ingestion of an Oral Sulfate Tablet for Bowel Preparation for Colonoscopy]. Korean J Gastroenterol 2022; 80:154-157. [PMID: 36156039 DOI: 10.4166/kjg.2022.054] [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] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 04/29/2022] [Accepted: 05/09/2022] [Indexed: 06/16/2023]
Abstract
The oral sulfate tablet (OST), commercially available as Orafang® (Pharmbio Korea Co., Seoul, Korea) in Korea, is being used increasingly because of its bowel-cleansing efficacy, safety, and tolerability in adults undergoing colonoscopy. Other bowel cleansing agents, such as polyethylene glycol and sodium picosulfate/magnesium citrate, can cause plasma volume depletion and electrolyte disturbances, such as hyponatremia. On the other hand, the OST has never been reported to cause hyponatremia in Korea. To our knowledge, the authors experienced the first case of hyponatremic seizure in an 81-year-old woman to whom an OST was administered for bowel preparation before a colonoscopy. After ingesting the OST, she presented with seizure, confusion, and dyspnea. Upon arrival, her serum sodium level was 120 mEq/L, and the urine osmolality and sodium levels were 449 mOsm/kg and 253 mOsm/kg, respectively; chest imaging suggested pulmonary edema. The associated symptoms disappeared following treatment with an intravenous injection of normal saline and 3% NaCl to normalize the sodium level. This case shows that the OST can cause hyponatremia and other severe complications related to hyponatremia.
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Affiliation(s)
- Sung Hyun Hong
- Department of Gastroenterology, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Dong Seok Lee
- Division of Gastroenterology, Department of Internal Medicine, Incheon St. Mary's Hospital, The Catholic University of Korea, Incheon, Korea
| | - Ji Won Kim
- Department of Gastroenterology, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Kook Lae Lee
- Department of Gastroenterology, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Hyoun Woo Kang
- Department of Gastroenterology, Seoul National University Boramae Medical Center, Seoul, Korea
| | - Su Hwan Kim
- Department of Gastroenterology, Seoul National University Boramae Medical Center, Seoul, Korea
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50
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Jang EJ, Kim H, Baek SE, Jeon EY, Kim JW, Kim JY, Kim CD. HMGB1 increases RAGE expression in vascular smooth muscle cells via ERK and p-38 MAPK-dependent pathways. Korean J Physiol Pharmacol 2022; 26:389-396. [PMID: 36039739 PMCID: PMC9437367 DOI: 10.4196/kjpp.2022.26.5.389] [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] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 08/08/2022] [Accepted: 08/11/2022] [Indexed: 11/15/2022]
Abstract
The increased expression of receptors for advanced glycation end-product (RAGE) is known as a key player in the progression of vascular remodeling. However, the precise signal pathways regulating RAGE expression in vascular smooth muscle cells (VSMCs) in the injured vasculatures are unclear. Given the importance of mitogen-activated protein kinase (MAPK) signaling in cell proliferation, we investigated the importance of MAPK signaling in high-mobility group box 1 (HMGB1)-induced RAGE expression in VSMCs. In HMGB1 (100 ng/ml)-stimulated human VSMCs, the expression of RAGE mRNA and protein was increased in association with an increase in AGE-induced VSMC proliferation. The HMGB1-induced RAGE expression was attenuated in cells pretreated with inhibitors for ERK (PD98059, 10 μM) and p38 MAPK (SB203580, 10 μM) as well as in cells deficient in ERK and p38 MAPK using siRNAs, but not in cells deficient of JNK signaling. In cells stimulated with HMGB1, the phosphorylation of ERK, JNK, and p38 MAPK was increased. This increase in ERK and p38 MAPK phosphorylation was inhibited by p38 MAPK and ERK inhibitors, respectively, but not by JNK inhibitor. Moreover, AGE-induced VSMC proliferation in HMGB1-stimulated cells was attenuated in cells treated with ERK and p38 MAPK inhibitors. Taken together, our results indicate that ERK and p38 MAPK signaling are involved in RAGE expression in HMGB1-stimulated VSMCs. Thus, the ERK/p38 MAPK-RAGE signaling axis in VSMCs was suggested as a potential therapeutic target for vascular remodeling in the injured vasculatures.
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Affiliation(s)
- Eun Jeong Jang
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Heejeong Kim
- Department of Laboratory Medicine, Pusan National University Hospital, Busan 49241, Korea
| | - Seung Eun Baek
- Department of Anatomy, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Eun Yeong Jeon
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Ji Won Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Ju Yeon Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
| | - Chi Dae Kim
- Department of Pharmacology, School of Medicine, Pusan National University, Yangsan 50612, Korea
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