共查询到10条相似文献,搜索用时 187 毫秒
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Lee KW Kim JH Han S Sung CO Do IG Ko YH Um SH Kim SH 《Annals of surgical oncology》2012,19(1):326-335
Background
Twist1 is known to be involved in epithelial–mesenchymal transition (EMT) and tumor progression. However, its specific role is different depending on the type of cancer. The functional role and clinical significance of Twist1 in esophageal squamous cell carcinoma (ESCC) have been rarely studied. 相似文献2.
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Mayumi Funagayama Kazuhiro Kondo Kazuo Chijiiwa Hiroaki Kataoka 《World journal of surgery》2010,34(7):1563-1571
Background
Hepatocyte growth factor activator inhibitor type 1 (HAI-1), one of the Kunitz-type serine protease inhibitors, has an important role in cancer progression through regulation of the activity of hepatocyte growth factor. HAI-1 is expressed in hepatocellular carcinoma (HCC) to various degrees. Investigation of the relationship between HAI-1 expression and clinicopathological features of HCC may contribute to improved treatment outcomes for HCC through understanding the mechanism of tumor progression or improvement in the prediction of tumor malignancy. 相似文献4.
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Antonio Gangemi Paolo Bernante Matteo Rottoli Federica Pasquali Gilberto Poggioli 《The international journal of medical robotics + computer assisted surgery : MRCAS》2023,19(4):e2544
Introduction
As robotic surgery increases its reach, novel platforms are being released. We present the first 17 consecutive cases of alimentary tract surgery performed with the HugoTM RAS (Medtronic).Methods
patients were selected to undergo surgery from February through April 2023. Exclusion criteria were age <16 years, BMI>60, ASA IV.Results
17 patients underwent ileocaecal resection for Chrons disease (2 M and 1 F) and pseudo-obstruction of the terminal ileum (1 M), cholecystectomy (3 M and 5 F), subtotal gastrectomy with D2 lymphadenectomy (1 F), sleeve gastrectomy (1 F), hiatal hernia repair with Nissen fundoplication (1 M), right hemicolectomy (1 M) and sigmoidectomy (1 M). No conversion to an open approach or any arm collisions requiring corrective actions were reported.Conclusions
Our preliminary experience with the HugoTM RAS point to safety and feasibility for a rather wide spectrum of surgical procedures of the alimentary tract. 相似文献7.
Astrocyte elevated gene‐1 promotes invasion and epithelial–mesenchymal transition in bladder cancer cells through activation of signal transducer and activator of transcription 3 下载免费PDF全文
Xiaoming Yang Lei Shi Chengzhi Yi Yang Yang Liansheng Chang Dongkui Song 《International journal of urology》2018,25(2):157-163
8.
Ni Liu Lian-hai Zhang Hong Du Ying Hu Gui-guo Zhang Xiao-hong Wang Ji-you Li Jia-fu Ji 《Annals of surgical oncology》2010,17(10):2628-2639
Background
The endothelial cell-specific molecule-1 (ESM-1) gene is involved in various biological events. This study was designed to clarify its clinical significance and explore its biological behavior in gastric cancer (GC). 相似文献9.
Swathi Balaji PhD Maria LeSaint Sukanta S. Bhattacharya Chad Moles Mykia KiddLouis D. Le MD Alice King Aimen Shaaban Timothy M. Crombleholme Paul Bollyky Sundeep G. Keswani 《The Journal of surgical research》2014
Background
Chronic wounds are characterized by a wound healing and neovascularization deficit. Strategies to increase neovascularization can significantly improve chronic wound healing. Insulin-like growth factor (IGF)-1 is reported to be a keratinocyte mitogen and is believed to induce angiogenesis via a vascular endothelial growth factor (VEGF)-dependent pathway. Using a novel ex vivo human dermal wound model and a diabetic-impaired wound healing murine model, we hypothesized that adenoviral overexpression of IGF-1 (Ad-IGF-1) will enhance wound healing and induce angiogenesis through a VEGF-dependent pathway.Methods
Ex vivo: 6-mm full-thickness punch biopsies were obtained from normal human skin, and 3-mm full-thickness wounds were created at the center. Skin explants were maintained at air liquid interface. Db/db murine model: 8-mm full-thickness dorsal wounds in diabetic (db/db) mice were created. Treatment groups in both human ex vivo and in vivo db/db wound models include 1 × 108 particle forming units of Ad-IGF-1 or Ad-LacZ, and phosphate buffered saline (n = 4–5/group). Cytotoxicity (lactate dehydrogenase) was quantified at days 3, 5, and 7 for the human ex vivo wound model. Epithelial gap closure (hematoxylin and eosin; Trichrome), VEGF expression (enzyme-linked immunosorbent assay), and capillary density (CD 31 + CAPS/HPF) were analyzed at day 7.Results
In the human ex vivo organ culture, the adenoviral vectors did not demonstrate any significant difference in cytotoxicity compared with phosphate buffered saline. Ad-IGF-1 overexpression significantly increases basal keratinocyte migration, with no significant effect on epithelial gap closure. There was a significant increase in capillary density in the Ad-IGF-1 wounds. However, there was no effect on VEGF levels in Ad-IGF-1 samples compared with controls. In db/db wounds, Ad-IGF-1 overexpression significantly improves epithelial gap closure and granulation tissue with a dense cellular infiltrate compared with controls. Ad-IGF-1 also increases capillary density, again with no significant difference in VEGF levels in the wounds compared with control treatments.Conclusions
In two different models, our data demonstrate that adenoviral-mediated gene transfer of IGF-1 results in enhanced wound healing and induces angiogenesis via a VEGF-independent pathway. Understanding the underlying mechanisms of IGF-1 effects on angiogenesis may help produce novel therapeutics for chronic wounds or diseases characterized by a deficit in neovascularization. 相似文献10.