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Effect of trapping vascular endothelial growth factor-A in a murine model of dry eye with inflammatory neovascularization

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International Journal of Ophthalmology(English edition) 2016年第11期9卷 1541-1548页

作者： Jin Woo Kwon Jin A Choi Eun Young Shin Tae Yoon La Dong Hyun Jee Yeon Woong Chung Yang Kyung Cho Department of Ophthalmology St.Vincent's HospitalCollege of Medicinethe Catholic University of Korea Research Institute of Medical Science St.Vincent's Hospitalthe Catholic University of Korea

AIM： To evaluate whether trapping vascular endothelial growth factor-A（VEGF-A） would suppress angiogenesis and inflammation in dry eye corneas in a murine corneal suture ***： We established two groups of animals, one with non-dry eyes and the other with induced dry *** both groups, a corneal suture model was used to induce inflammation and neovascularization. Each of two groups was again divided into three subgroups according to the treatment; subgroup I（aflibercept）,subgroup II（dexamethasone） and subgroup III（phosphate buffered saline, PBS）. Corneas were harvested and immunohistochemical staining was performed to compare the extents of neovascularization and CD11b＋ cell infiltration. Real-time polymerase chain reaction was performed to quantify the expression of inflammatory cytokines and VEGF-A in the ***： Trapping VEGF-A with aflibercept resulted in significantly decreased angiogenesis and inflammation compared with the dexamethasone and PBS treatments in the dry eye corneas（all P 〈0.05）, but with no such effects in non-dry eyes. The anti-inflammatory and antiangiogenic effects of VEGF-A trapping were stronger than those of dexamethasone in both dry eye and non-dry eye corneas（all P 〈0.05）. The levels of RNA expression of VEGF-A, TNF-alpha, and IL-6 in the aflibercept subgroup were significantly decreasedcompared with those in the PBS subgroup in the dry eye ***： Compared with non-dry eye corneas,dry eye corneas have greater amounts of inflammation and neovascularization and also have a more robust response to anti-inflammatory and anti-angiogenic agents after ocular surface surgery. Trapping VEGF-A is effective in decreasing both angiogenesis and inflammation in dry eye corneas after ocular surface surgery.

关键词： dry eye aflibercept neovascularization inflammation dexamethasone

Comparison of postoperative corneal changes between dry eye and non-dry eye in a murine cataract surgery model

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International Journal of Ophthalmology(English edition) 2016年第2期9卷 218-224页

作者： Jin Woo Kwon Yeon Woong Chung Jin A Choi Tae Yoon La Dong Hyun Jee Yang Kyung Cho Department of Ophthalmology St.Vincent's HospitalCollege of Medicine The Catholic University of Korea

AIM： To compare the effects of the surgical insult of cataract surgery on corneal inflammatory infiltration, neovascularization （NV） and lymphangiogenesis （LY） between the dry eye and non-dry eye in murine cataract surgery models.METHODS： We established two groups of animals, one with normal eyes （non-dry eye） and the second with induced dry eyes. In both groups, we used surgical insults to mimic human cataract surgery, which consisted of lens extraction, corneal incision and suture. After harvesting of corneas on the 9th postoperative day and immunohistochemical staining, we compared NV, LY and CD11b＋ cell infiltration in the corneas.RESULTS： Dry eye group had significantly more inflammatory infiltration （21.75%±7.17% r/s 3.65%±1.49%; P=0.049）. The dry eye group showed significantly more NV （48.21% ±4.02% ys 26.24% ±6.01% ; P =0.016） and greater levels of LY （9.27%±0.48% ys 4.84%±1.15%; P= 0.007）. In corneas on which no surgery was performed, there was no induction of NV in both the dry and non- dry group, but dry eye group demonstrated more CD11b＋ cells infiltration than the non-dry eye group （0.360%± 0.160% vs 0.023%±0.006%; P=0.068）. Dry eye group showed more NV than non-dry eye group in both topical PBS application and subconjunctival PBS injection （P= 0.020 and 0.000, respectively）.

关键词： angiogenesis cataract surgery dry eyedisease inflammation

Unusual presentation of granulomatosis with polyangiitis causing periaortitis and consequent subclavian steal syndrome:A case report

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World Journal of Clinical Cases 2021年第6期9卷 1433-1438页

作者： Uiju Cho Sung-Kyung Kim Jeong Min Ko Jinyoung Yoo Department of Pathology St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591South Korea Department of Internal Medicine St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591South Korea Department of Radiology St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591South Korea Department of Hospital Pathology St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591South Korea

BACKGROUND Granulomatosis with polyangiitis(GPA)is a rare autoimmune disease that involves small-to-medium-sized vessels and forms necrotizing vasculitis with granulomatous *** formation of a large vessel lesion in GPA patients has been scarcely reported,and it can cause confusion in the *** SUMMARY A 27-year-old man presented with mild left-sided pleuritic chest pain that started one year *** imaging study revealed up to 2.5 cm-sized two irregular nodular consolidation nodule in the left lower *** nodules showed central ***,there was a periaortic mass occluding the branching porting of the subclavian *** had positive anti-neutrophil cytoplasmic antibodies(ANCAs),but myeloperoxidase-ANCAs and proteinase 3-ANCAs were *** patient also developed symptoms of subclavian vein syndrome during the *** resection of the lung revealed necrotizing vasculitis,destructive parenchymal abscess and surrounding granuloma,and therefore diagnosed of *** patient started on methotrexate and steroid therapy with a relief of *** Here,we present an unusual manifestation of GPA with periaortitis and consequent subclavian steal syndrome,which has never been previously *** case alerts us that we should include GPA in the differential diagnosis of large vessel vasculitis as well as subclavian steal syndrome.

关键词： Granulomatosis with polyangiitides Wegener granulomatosis Systemic vasculitis Subclavian steal syndrome Periaortitis Case report

Microbiology and risk factors for gram-positive Cocci bacteremia in biliary infections

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Hepatobiliary & Pancreatic Diseases International 2020年第5期19卷 461-466页

作者： Ik Hyun Jo Yeon-Ji Kim Woo Chul Chung Jaeyoung Kim Seonhoo Kim Eun Sun Lim Honggeun Ahn Seong Yul Ryu Division of Gastroenterology Department of Internal MedicineSt.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSuwon 16247Korea

Background:The rapid antibiotics treatment targeted to a specific pathogen can improve clinical outcomes of *** aimed to evaluate the clinical characteristics and outcomes of biliary septicemia caused by cholangitis or cholecystitis according to causative ***:We performed a retrospective cohort study in 151 patients diagnosed with cholangitis or cholecystitis with bacterial septicemia from January 2013 to December *** patients showed clinical evidence of biliary tract infection and had blood isolates that demonstrated ***:Gram-negative,gram-positive,and both types of bacteria caused 84.1%(127/151),13.2%(20/151),and 2.6%(4/151)episodes of septicemia,*** most common infecting organisms were Escherichia coli among gram-negative bacteria and Enterococcus species(Enterococcus casseliflavus and Enterococcus faecalis)among gram-positive *** were no differences in mortality,re-admission rate,and need for emergency decompression procedures between the gram-positive and gram-negative septicemia *** univariate analysis,previous gastrectomy history was associated with gram-positive *** analysis also showed that previous gastrectomy history was strongly associated with gram-positive septicemia(Odds ratio=5.47,95%CI:1.19–25.23;P=0.029).Conclusions:Previous gastrectomy history was related to biliary septicemia induced by gram-positive *** information would aid the choice of empirical antibiotics.

关键词： Cholangitis Cholecystitis Septicemia Gram-positive bacterial infections

stability of neodymium:YAG laser posterior capsulotomy in eyes with capsular tension rings

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International Journal of Ophthalmology(English edition) 2023年第6期16卷 891-896页

作者： Yang Kyung Cho Min Sun Kim Department of Ophthalmology St.Vincent’s HospitalCollege of MedicineThe Catholic University of KoreaSeoul 06591Republic of Korea

·AIM: To evaluate the stability of neodymium(Nd):YAG laser posterior capsulotomy in eyes with capsular tension rings(CTRs).·METHODS: A total of 60 eyes that underwent cataract surgery and laser posterior capsulotomy postoperatively were included in this retrospective cohort study. To evaluate the safety and stability of capsulotomy, changes in the size of posterior capsulotomy and anterior chamber depth(ACD) in three groups: the group without CTR, the group with 12 mm CTRs, and the group with 13 mm CTRs, at 1wk, 3, 12, and 15mo after capsulotomy, were compared. ·RESULTS: In the group without CTR and the group with 12 mm CTR, there was no significant change in ACD at every post-laser follow-up. In the group with 13 mm CTR, the ACD change was significant until 3mo after capsulotomy. In all groups, there was a significant increase in the area of capsulotomy between 1wk and 3mo post-laser. Between 3 and 12mo post-laser, only the group with 13 mm CTR showed a significant increase in the area of capsulotomy(Psterior capsulotomy is safe in all three groups. The capsulotomy and ACD become stabilized and have not shown significant changes since 1y postlaser, even with larger CTRs. The maintenance of centrifugal capsular tension can last longer with larger CTRs, and the stability of the capsulotomy site can be reached about 12mo after capsulotomy in pseudophakic eyes with larger CTRs.

关键词： Nd:YAG laser capsulotomy capsular tension ring

Multiple Myeloma A New Look At The Treatment Options

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中国实用内科杂志 2007年第S1期27卷 10-16页

作者： Sundar Jagannath New York Medical College New York University st.vincent's Comprehensive Cancer Center

Controversies in the pathological assessment of colorectal cancer

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World Journal of Gastroenterology 2014年第29期20卷 9850-9861页

作者： Aoife Maguire Kieran Sheahan Department of Histopathology and Centre for Colorectal Disease St.Vincent’s University Hospital School of Medicine and Medical Science University College Dublin

Pathologic assessment of colorectal cancer specimens plays an essential role in patient management,informing prognosis and contributing to therapeutic decision *** tumor-node-metastasis(TNM)staging system is a key component of the colorectal cancer pathology report and provides important prognostic *** there is significant variation in outcome of patients within the same tumor *** other histological features such as tumor budding,vascular invasion,perineural invasion,tumor grade and rectal tumor regression grade that may be of prognostic value are not part of TNM *** of extramural tumor deposits and peritoneal involvement contributes to TNM staging but there are some difficulties with the definition of both of these *** in colorectal cancer pathology reporting include the subjective nature of some of the elements assessed,poor reporting rates and reproducibility and the need for standardized examination protocols and *** pathology is becoming increasingly important in prognostication and prediction of response to targeted therapies but accurate morphology still has a key role to play in colorectal cancer pathology reporting.

关键词： Colorectal cancer staging Prognosis Histopathology Tumor-node-metastasis

EFFECTS OF INTERLEUKIN-4 ON GRANULOCYTE-MACROPHAGE-COLONY FORMATION FROM MURINE BONE MARROW CELLS AND HEMATOPOIETIC RECONstITUTION FOLLOWING MURINE ALLOGENEIC BONE MARROW TRANSPLANTATION

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Chinese Medical Sciences Journal 1994年第2期9卷 125-128页

作者：朱康儿 KerryAtkinson DepartmentofHematology FirstAffiliatedHospitalZhejiangMedicalUniversityHangzhou310003 DepartmentofHematolosy St.Vincent′HospitalSydney2010Australia

We investigated the effects of mouse recombinant IL-4 on hematopoiesis in vitro and in vivo. IL-4 alone was found to be incapable of stimulating colony formation, but it inhibited both IL-3-and GM-CSF-induced colony formation by murine hematopoietic progenitor cells. In contrast, colony formation induced by G-CSF was enhanced in the presence of IL-4. We also studied the influence of IL-4 on hematopoietic reconstiution after allogeneic bone marrow transplantation in a murine medel, and found that IL-4 had significant inhibitory effects on neutrophil recovery and that neutrophil recovery accelerated by IL-3 and G-CSF was significantly suppressed by IL-4. The combination of IL-4 and GM-SF caused a significant decrease in the absolute number of neutrophils.

关键词： interleukin-4 hematopoietic progenitor bone marrow transplantation

Management of obstructive colon cancer:Current status,obstacles,and future directions

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World Journal of Gastrointestinal Oncology 2021年第12期13卷 1850-1862页

作者： Ri-Na Yoo Hyeon-Min Cho Bong-Hyeon Kye Division of Colorectal Surgery Department of SurgerySt.Vincent’s HospitalThe Catholic University of KoreaSuwon 442-723South Korea

Approximately 10%–18%of patients with colon cancer present with obstruction at the initial *** active screening efforts,the incidence of obstructive colon cancer remains ***,emergency surgery has been indicated to treat patients with obstructive colon ***,compared to patients undergoing elective surgery,the morbidity and mortality rates of patients requiring emergency surgery for obstructive colon cancer are *** the advancement of colonoscopic techniques and equipment,a self-expandable metal stent(SEMS)was introduced to relieve obstructive symptoms,allowing the patient’s general condition to be restored and for them undergo elective *** the use of SEMS placement is growing,controversies about its application in potentially curable diseases have been *** this review,the short-and longterm outcomes of different treatment strategies,particularly emergency surgery vs SEMS placement followed by elective surgery in resectable,locally advanced obstructive colon cancer,are described based on the location of the obstructive cancer *** regarding each treatment strategy are *** overcome current obstacles,a potential diagnostic method using circulating tumor DNA and further research directions incorporating neoadjuvant chemotherapy are introduced.

关键词： Colonic neoplasms Self-expandable metallic stents Intestinal obstruction Survival rate Morbidity Mortality