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Enhancement of motor functional recovery in thoracic spinal cord injury: voluntary wheel running versus forced treadmill exercise

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Neural Regeneration Research 2025年第3期20卷 836-844页

作者： Do-Hun Lee Dan Cao Younghye moon Chen Chen Nai-Kui Liu Xiao-Ming Xu Wei Wu Spinal Cord and Brain Injury Research Group Stark Neurosciences Research InstituteIndiana University School of MedicineIndianapolisINUSA Department of Neurological Surgery Indiana University School of MedicineIndianapolisINUSA Department of Neuroscience Baylor College of MedicineHoustonTXUSA

Spinal cord injury necessitates effective rehabilitation strategies, with exercise therapies showing promise in promoting recovery. This study investigated the impact of rehabilitation exercise on functional recovery and morphological changes following thoracic contusive spinal cord injury. After a 7-day recovery period after spinal cord injury, mice were assigned to either a trained group(10 weeks of voluntary running wheel or forced treadmill exercise) or an untrained group. Bi-weekly assessments revealed that the exercise-trained group, particularly the voluntary wheel exercise subgroup, displayed significantly improved locomotor recovery, more plasticity of dopaminergic and serotonin modulation compared with the untrained group. Additionally, exercise interventions led to gait pattern restoration and enhanced transcranial magnetic motor-evoked potentials. Despite consistent injury areas across groups, exercise training promoted terminal innervation of descending axons. In summary, voluntary wheel exercise shows promise for enhancing outcomes after thoracic contusive spinal cord injury, emphasizing the role of exercise modality in promoting recovery and morphological changes in spinal cord injuries. Our findings will influence future strategies for rehabilitation exercises, restoring functional movement after spinal cord injury.

关键词： behavioral assessment motor function neural plasticity running wheel exercise spinal cord injury treadmill exercise voluntary exercise

Fish bone migration to the urinary bladder after rectosigmoid colon perforation

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World Journal of Gastroenterology 2014年第22期20卷 7075-7078页

作者： Min-Kyung Cho moon-Soo Lee hyun-Young Han seung Hyo Woo Department of Surgery Eulji University HospitalDaejeon 302-799South Korea Department of Radiology Eulji University HospitalDaejeon 302-799South Korea Department of Urology Eulji University HospitalDaejeon 302-799South Korea

Fish bones are the most common foreign objects leading to bowel *** cases are confined to the extraluminal space without penetration of an adjacent ***,abscess formation due to the perforation of the rectosigmoid colon by a fish bone can lead to the penetration of the urinary bladder and may subsequently cause the fish bone to migrate into the urinary *** the presented case,a 42-yearold female was admitted for lower abdominal *** computed tomography(CT)demonstrated a 5cm pelvic abscess containing a thin and curvilinear foreign *** conservative management,the patient was *** 1 mo,the subject developed a mechanical *** had to be delayed due to her *** of the foreign body to the urinary bladder was shown on additional CT.A Yellowish fish bone 3.5 cm in size was removed through intraoperative *** patient was discharged 8 d after the operation without any unexpected event.

关键词： Fish bone Rectosigmoid colon perforation Urinary bladder Foreign body ingestion Foreign body induced bowel perforation

Formation of unidirectional nanoporous structures in thickly anodized aluminum oxide layer

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中国有色金属学会会刊：英文版 2009年第4期19卷 1013-1017页

作者： hyun-Chae NA Taek-Jin SUNG Seok-Heon YOON seung-Kyoun hyun Mok-Soon KIM Young-Gi LEE Sang-hyun SHIN Seok-moon CHOI Sung YI Division of Materials Science and Engineering Inha University Samsung Electro-Mechanics Co. Ltd.

A series of anodic aluminum oxide(AAO) was grown on the commercially pure 1050 aluminum sheet by controlling electrolyte temperature(2-15 ℃) and anodizing time(0.5-6 h),using a fixed applied current density of 3 A/dm2 in diluted sulfuric acid electrolyte.A crack-free thick AAO with the thickness of 105-120 μm and containing unidirectional nano sized pores(average pore diameter of 5-7 nm) is successfully achieved in the specimens anodized for 2 h,irrespective of electrolyte *** anodizing time reaches 6 h,very thick AAO with the thickness of 230-284 μm is grown,and average diameter of unidirectional pores is in the range of 6-24 *** higher values in both the AAO thickness and pore diameter are attained for the specimens anodized at higher temperatures of 10-15 ℃.A crack is observed to exist in the AAO after anodizing up to 4 h and more.A higher fraction(more than 9%) of the crack is shown in the specimens anodized at higher temperatures of 10-15 ℃ for 6 h and a considerable amount of giant cracks are contained.

关键词：阳极氧化铝纳米孔单向结构层电解液温度平均直径氧化时间硫酸电解液

Efficient Remote Identification for Drone Swarms

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Computers, Materials & Continua 2023年第9期76卷 2937-2958页

作者： Kang-moon Seo Jane Kim Soojin Lee Jun-WooKwon seung-hyun Seo The Department of Electronic&Electrical Engineering Graduate SchoolHanyang UniversityAnsanKorea School of Electrical Engineering Hanyang University ERICAAnsanKorea

With the advancement of unmanned aerial vehicle(UAV)technology,the market for drones and the cooperation of many drones are *** swarms move together in multiple regions to perform their tasks.A Ground Control Server(GCS)located in each region identifies drone swarmmembers to prevent unauthorized drones from *** on drone identification have been actively conducted,but existing studies did not consider multiple drone identification ***,developing a secure and effective identification mechanism for drone swarms is *** suggested a novel approach for the remote identification of drone *** an efficient identification process between the drone swarm and the GCS,each Reader drone in the region collects the identification information of the drone swarmand submits it to the GCS for *** proposed identification protocol reduces the verification time for a drone swarm by utilizing batch verification to verify numerous drones in a drone *** prove the security and correctness of the proposed protocol,we conducted a formal security verification using ProVerif,an automatic cryptographic protocol *** also implemented a non-flying drone swarmprototype usingmultiple Raspberry Pis to evaluate the proposed protocol’s computational overhead and *** showed simulation results regarding various drone simulation scenarios.

关键词： Drone remote identification drone swarms multi-drone authentication

Gastrointestinal stromal tumor of appendix incidentally diagnosed by appendiceal hemorrhage

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World Journal of Gastroenterology 2007年第23期13卷 3265-3267页

作者： Kyu-Jong Kim Won moon Moo In Park Seun Ja Park seung hyun Lee Bong Kwon Chun Department of Internal Medicine Kosin University College of Medicine Busan South Korea Department of General Surgery Kosin University College of Medicine Busan South Korea Department of Pathology Kosin University College of Medicine Busan South Korea

Gastrointestinal stromal tumor is rare, which arises from the mesenchymal tissues in the gastrointestinal tract, and it is extremely rare in the appendix. Only a few cases have been found in this location to date. Although the annual incidence of lower gastrointestinal bleeding has been increasing, bleeding related to the appendix is quite rare. We herein present a very rare case of gastrointestinal stromal tumor incidentally found by appendiceal hemorrhage.

关键词： Gastrointestinal stromal tumor Gastrointestinal tract Appendix Lower gastrointestinal bleeding Appendiceal hemorrhage

KML001, an arsenic compound, as salvage chemotherapy in refractory biliary tract cancers: A prospective study

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Hepatobiliary & Pancreatic Diseases International 2019年第1期18卷 62-66页

作者： Jung hyun Jo Huapyong Kang Hee seung Lee moon Jae Chung Jeong Youp Park seungmin Bang seung Woo Park Si Young Song Division of Gastroenterology Department of Internal Medicine Severance Hospital Yonsei University College of Medicine

Background: Sodium meta-arsenite(NaAsO_2, KML001) is a potential oral anticancer agent acting on telomerase and telomere length. This prospective study evaluated its safety, tolerability, and effectiveness as salvage chemotherapy in patients with advanced biliary tract cancer(BTC) resistant to gemcitabinebased chemotherapy. Methods: Forty-four patients(21 women and 23 men) with advanced BTC and failure history of gemcitabine-based chemotherapy, performance status(PS) 0–2, normal cardiac, hepatic, and renal function were enrolled. Daily dose of KML001(7.5 mg. p.o.) was administered to eligible subjects for 24 weeks divided into six treatment cycles. Response was evaluated bimonthly using CT. Results: After an average of 1.5 months of treatment(range: 0.5–10.0), 3 patients(6.8%) obtained progression-free status, 23 patients(52.3%) had disease progression, and 18 patients(40.9%) dropped out before evaluation. One patient(2.3%) completed six treatment cycles without progression. During the treatment, morphine dosage kept the same or decreased in 20 patients(47.6%). Nine patients(20.5%) experienced grade-3 adverse events(AEs), while no patient experienced grade-4 AEs. The most common AEs were liver enzyme elevation(11/44, 25%) and anemia(10/44, 22.7%). KML001 was discontinued in six patients(13.6%) due to AEs, including liver toxicity( n = 3), QTc prolongation( n = 2), and abdominal pain( n = 1). Conclusions: KML001 did not have enough anticancer effect on patients with advanced BTC resistant to gemcitabine. However, KML001 was safe and well-tolerable in terms of AEs and pain control when used as salvage therapy. Further studies are needed to establish arsenic agents as a reliable treatment option in patients with BTC.

关键词： Biliary tract neoplasms Cholangiocarcinoma Gallbladder neoplasms KML001 Sodium meta-arsenite

Sarcopenia in pancreatic cancer:Effect on patient outcomes

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World Journal of Gastrointestinal Oncology 2022年第12期14卷 2302-2312页

作者： moon hyung Choi seung Bae Yoon Department of Radiology Eunpyeong St.Mary’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 03312South Korea Division of Gastroenterology Department of Internal MedicineCollege of MedicineThe Catholic University of KoreaSeoul 03312South Korea

Pancreatic cancer is a challenging disease with an increasing incidence and extremely poor *** clinical outcomes of pancreatic cancer depend on tumor biology,responses to treatments,and malnutrition or *** represents a severe catabolic condition defined by the age-related loss of muscle mass and strength and affects as much as 70%of malnourished pancreatic cancer *** lumbar skeletal muscle index,defined as the total abdominal muscle area at the L3 vertebral level adjusted by the square of the height,is widely used for assessing sarcopenia in patients with pancreatic *** studies have suggested that sarcopenia may be a risk factor for perioperative complications and decreased recurrence-free or overall survival in patients with pancreatic cancer undergoing *** could also intensify chemotherapyinduced toxicities and worsen the quality of life and survival in the neoadjuvant or palliative chemotherapy ***,not only at the time of diagnosis but also during treatment,decreases survival in patients with pancreatic ***,multimodal interventions may improve sarcopenia and clinical outcomes;however,no study has reported positive *** prospective studies are needed to confirm the prognostic role of sarcopenia and the effects of multimodal interventions in patients with pancreatic cancer.

关键词： Sarcopenia Pancreatic cancer Skeletal muscle Computed tomography Outcomes Survival

Comparison of efficacy and safety between standard-dose and modified-dose FOLFIRINOX as a first-line treatment of pancreatic cancer

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World Journal of Gastrointestinal Oncology 2018年第11期10卷 421-430页

作者： Huapyong Kang Jung hyun Jo Hee seung Lee moon Jae Chung seungmin Bang seung Woo Park Si Young Song Jeong Youp Park Division of Gastroenterology Department of Internal Medicine Yonsei University College of Medicine

AIM To directly compare the efficacy and toxicity of standarddose FOLFIRINOX(sFOLFIRINOX) and modified-dose FOLFIRINOX(mFOLFIRINOX, 75% of standard-dose) for pancreatic *** One hundred and thirty pancreatic cancer patients who received sFOLFIRINOX(n = 88) or mFOLFIRINOX(n = 42) as their first-line chemotherapy from January 2013 to July 2017 were retrospectively reviewed. For efficacy analysis, the objective response rate(ORR),disease control rate(DCR), progression-free survival(PFS), and overall survival(OS) were evaluated and compared using Pearson's chi-square test, Kaplan-Meier plot and log-rank test. The adverse events(AEs) were evaluated, and severe(≥ grade 3) AEs rates of the two groups were compared for toxicity *** The mFOLFIRINOX group included more female patients(30.7% vs 57.1%; P = 0.004) and older patients [age(median), 57 vs 63.5; P = 0.018] than the sFOLFIRINOX group. In the efficacy analysis, the ORR and DCR were not significantly different between the two groups(ORR: 39.8% vs 35.7%; P = 0.656; DCR: 80.7% vs 83.3%; P = 0.716). The median PFS and OS were also not different between the groups(PFS: 8.7 mo vs 8.1 mo, P = 0.272; OS: 13.9 mo vs 13.7 mo, P = 0.476). In the safety analysis with severe AEs, the rates of neutropenia(83.0% vs 66.7%; P = 0.044), anorexia(48.9% vs 28.6%; P = 0.029) and diarrhea(13.6% vs 0.0%; P = 0.009) were markedly lower in the mFOLFIRINOX *** m FOLFIRINOX showed comparable efficacy but better safety compared to sFOLFIRINOX. If clinically necessary, initiating FOLFIRINOX with 75% of the standard-dose can alleviate toxicity concerns without compromising efficacy.

关键词： Dose modification Adverse event Pancreatic cancer Adenocarcinoma FOLFIRINOX Chemotherapy

Benefit of neoadjuvant concurrent chemoradiotherapy for locally advanced perihilar cholangiocarcinoma

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World Journal of Gastroenterology 2017年第18期23卷 3301-3308页

作者： Jang Han Jung hyun Jik Lee Hee seung Lee Jung hyun Jo In Rae Cho moon Jae Chung Jeong Youp Park seung Woo Park Si Young Song seungmin Bang Division of Gastroenterology Department of Internal Medicine Hallym University Dongtan Sacred Heart Hospital Division of Gastroenterology Department of Internal Medicine and Yonsei Institute of Gastroenterology Yonsei University College of Medicine

To clarify the role of neoadjuvant concurrent chemoradiotherapy (NACCRT) followed by surgical resection for localized or locally advanced perihilar cholangiocarcinoma (CCA).METHODSWe retrospectively reviewed 57 patients who underwent surgical resection with or without NACCRT for perihilar CCA; 12 patients received NACCRT and 45 patients did not received NACCRT. Patients with locally advanced perihilar CCA requiring NACCRT were defined as follows: (1) a mass involving unilateral branches of the portal vein or hepatic artery with insufficient volume of the anticipated remnant lobe; or (2) an infiltrating mass in the main portal vein that was too long for reconstruction, identified at preoperative *** median disease-free survival (DFS) durations of the neoadjuvant and non-neoadjuvant CCRT groups were 26.0 and 15.1 mo, respectively (P = 0.91). The median overall survival (OS) durations of the neoadjuvant and non-neoadjuvant CCRT groups were 32.9 and 27.1 mo, respectively (P = 0.26). The NACCRT group showed a downstaging tendency compared to the non-NACCRT group as compared with the tumor stage confirmed by histological examination after surgery and the tumor stage confirmed by imaging test at the time of diagnosis (P = 0.01).CONCLUSIONNACCRT does not prolong DFS and OS in localized or locally advanced perihilar CCA. However, NACCRT may allow tumor downstaging and improve tumor resectability.

关键词： Klatskin tumor Locally advanced Survival rate Neoadjuvant therapy Chemoradiotherapy