Publications by authors named "Jeong In Hong"

Background: The da Vinci single-port system (SPS) (Intuitive Surgical, Sunnyvale, CA, USA) was designed for single-port (SP) surgery. Although we have reported our clinical outcomes using the SPS for a simple procedure in general thoracic surgery, major pulmonary resection had been performed only in cadaveric experiments to date. This study evaluated the feasibility of SP subcostal robotic major pulmonary resection using the SPS.

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We investigated the molecular and biochemical properties of two acetylcholinesterases (FoAChE1 and FoAChE2) from the Western flower thrips, Frankliniella occidentalis. Polyacrylamide gel electrophoresis and western blotting confirmed the membrane-anchored nature of both FoAChE1 and FoAChE2, which was further supported by hydrophobicity and glycophosphatidylinositol anchor predictions. High expression levels of both enzymes were observed in the head, indicating their predominant distribution in neuronal tissues.

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Background: Robotic-assisted surgery for mediastinal disease has been shown to be beneficial in facilitating easier mediastinal dissection with its three-dimensional views and multi-articulated moving instruments. Herein, we report our experience with the biportal approach of robot-assisted anterior mediastinal mass surgery, including both lateral transthoracic and subxiphoid approaches.

Methods: We retrospectively analyzed 21 patients who underwent biportal robotic-assisted anterior mediastinal mass resection, without considering the tumor size between May 2018 and September 2022.

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Background: Postoperative air leaks after pulmonary resection prolong the duration of chest drainage and the length of hospital stay. One of the many treatment options is bedside pleurodesis using various agents. This study evaluated the feasibility of an early intervention to stop postoperative air leaks with either autologous blood or a 50% glucose solution.

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Patients undergoing cardiopulmonary resuscitation (CPR) prior to extracorporeal membrane oxygenation (ECMO) can have severely altered physiology, including that of the coagulation pathway. This could complicate the extracorporeal cardiopulmonary resuscitation (ECPR) management. We aimed to show that targeting an activated clotting time (ACT) < 160 seconds does not affect the complication rates in these patients.

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Article Synopsis
  • Robot-assisted lobectomy for non-small cell lung cancer has typically involved 3 or 4 ports, but a new two-port technique using three robotic arms was developed and analyzed for feasibility.
  • A study matched 53 patients from the two-port group with 89 from the three-port group based on various health factors and analyzed perioperative outcomes and postoperative pain.
  • Results showed that the two-port method had a shorter operation time and less postoperative pain within the first three days, making it a safe and effective alternative without significantly increasing medical costs.
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Optimal anticoagulation is critical for successful extracorporeal membrane oxygenation (ECMO) to counterbalance the activation of the coagulation system initiated by the blood-biosurface reaction and mechanical stresses. Systemic anticoagulation is achieved mainly with unfractionated heparin (UFH). Activated clotting time (ACT) is a widely used laboratory parameter to monitor anticoagulation.

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The clinical significance of ground-glass nodules (GGNs) has been investigated in extensive clinical research for many years. The natural history of GGNs is known to be closely related to their size, proportion of solid components, and size progression over time. Based on these data, several guidelines for GGN management have been published worldwide.

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Lobectomy is the standard treatment for early non-small cell lung cancer. Various surgical techniques for lobectomy have been developed, and minimally invasive thoracic surgery, such as video-assisted thoracic surgery or robot-assisted thoracic surgery, has been considered as an alternative to conventional open thoracotomy. The recently robotic lobectomy technique has developed since the first case series was published in 2002.

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Pretreatment with sublethal concentrations (LC) of six insecticides (chlorantraniliprole, cypermethrin, dinotefuran, indoxacarb, ivermectin, and spinosad) significantly elevated tolerance of the common fruit fly Drosophila melanogaster to lethal concentration of the respective insecticide. Commonly responding genes to sublethal treatments of the six insecticides were identified by transcriptome analysis based on a fold change >1.5 or < -1.

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Herein, we report a case in which thoracomyoplasty was performed to manage chronic postlobectomy empyema (PLE). A 54-year-old male patient with a surgical history of right upper lobectomy and thymectomy 35 years previously who had undergone adjuvant radiotherapy presented with purulent discharge on the anterior chest wall. The patient was diagnosed with chronic PLE with ascending infection and concurrent osteonecrosis of the parasternum.

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Pretreatment with sublethal concentrations (LC) of three insecticides (chlorfenapyr, dinotefuran, and spinosad) enhanced tolerance to a lethal dose of the respective insecticide in the Western flower thrips, Frankliniella occidentalis. To identify genes responding to sublethal treatment with insecticides, transcriptome analysis was conducted for thrips treated with LC of the three insecticides. When based on a fold change >1.

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The fungal metabolism of diazinon was investigated and the microbial model ( ATCC36112) could effectively degrade the organophosphorus pesticide (diazinon) mediated by cytochrome P450, which was mainly involved in oxidation and hydrolysis of phase I metabolism. Approximately 89% of diazinon was removed within 7 days and was not observed after 13 days with concomitant accumulation of eight metabolites. Structures of the metabolites were fully or tentatively identified with GC-MS and H, C NMR.

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Objectives: We previously reported a transthoracic approach using the da Vinci Single-Site™ platform. This study describes the outcomes of robotic single-site thymectomy via a subxiphoid approach based on our previous experiences.

Methods: This study included patients, who underwent single-site robotic thymectomy via the subxiphoid approach between September 2018 and October 2019.

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Article Synopsis
  • * CO2 gas insufflation helped push the diaphragm down, which made it easier to treat the herniation without harming the organs involved.
  • * This technique did not require any additional tools or assistants, demonstrating that CO2 insufflation simplifies VATS for stable trauma patients.
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Chlorantraniliprole is an anthranilic diamide insecticide that binds to the insect ryanodine receptor (RyR) and induces an uncontrolled release of Ca , resulting in paralysis and ultimately death of the target insects. Recently, it was reported that chlorantraniliprole-resistant diamondback moths, Plutella xylostella Linnaeus, have mutations in their RyR. In this study, we developed two different chlorantraniliprole-resistant Drosophila melanogaster strain.

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The human β-site amyloid cleaving enzyme (BACE1) has been considered as an effective drug target for treatment of Alzheimer's disease (AD). In this study, , which is a Far East specialty food known as innkeeper worm, ethanol extract was studied by bioassay-directed fractionation and isolation to examine its potential β-site amyloid cleaving enzyme inhibitory and antimicrobial activity. The following compounds were characterized: hecogenin, cholest-4--3-one, cholesta-4,6--3-ol, and hurgadacin.

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When the 3rd instar larvae of the diamondback moth (DBM), Plutella xylostella, were pretreated with sublethal doses (LC) and then subsequently exposed to lethal doses (LC) of chlorantraniliprole, cypermethrin, dinotefuran, indoxacarb and spinosad via leaf dipping, their tolerance to insecticides was significantly enhanced. To identify genes that commonly respond to the treatment of different insecticides and are responsible for the tolerance enhancement, transcriptomic profiles of larvae treated with sublethal doses of the five insecticides were compared with that of untreated control. A total of 117,181 transcripts with a mean length of 662bp were generated by de novo assembly, of which 35,329 transcripts were annotated.

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In this study, the detailed metabolic pathways of fenitrothion (FNT), an organophosphorus insecticide by Cunninghamella elegans, were investigated. Approximately 81% of FNT was degraded within 5 days after treatment with concomitant accumulation of four metabolites (M1-M4). The four metabolites were separated by high-performance liquid chromatography, and their structures were identified by mass spectroscopy and/or nuclear magnetic resonance.

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Strain ZX02 was isolated from Chinese ginger cultivated soil contaminated with various pesticides, which could utilize 2,4-dichlorophenoxyacetic acid butyl ester (2,4-D butyl ester) as the sole carbon source. On the basis of the sequence analysis of 16S rRNA gene as well as the morphological, biochemical, and physiological characteristics of strain ZX02, the organism belonged to Gram-negative bacterium and was identified as Acinetobacter sp. ZX02.

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Signal transducer and activator of transcription 3 (STAT3) regulates gene transcription in response to cytokines and growth factors. In the central nervous system, STAT3 plays a role in neuroprotection and reactive gliosis after lesions. During peripheral nerve regeneration, a nerve injury-induced up-regulation of cytokines and growth factors accompanies STAT3 activation in sensory neurons and Schwann cells (SCs) even though its molecular details and functions are unknown.

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