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RGS4 promotes the progression of gastric cancer through the focal adhesion kinase/phosphatidyl-inositol-3-kinase/protein kinase B pathway and epithelial-mesenchymal transition

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World Journal of Gastroenterology 2025年第2期31卷 113-127页

作者： Peng-Yu Chen Pei-Yao Wang Bang Liu Yang-Pu Jia Zhao-Xiong Zhang Xin Liu Dao-Han Wang Yong-Jia Yan Wei-Hua Fu Feng Zhu department of General surgery Tianjin Medical University General HospitalTianjin Medical UniversityTianjin 300052China department of General surgery Jincheng People’s HospitalJincheng 048000Shanxi ProvinceChina

BACKGROUND Regulator of G protein signaling(RGS)proteins participate in tumor formation and metastasis by acting on theα-subunit of heterotrimeric G *** speci-fic effect of RGS,particularly RGS4,on the progression of gastric cancer(GC)is not yet *** To explore the role and underlying mechanisms of action of RGS4 in GC *** The prognostic significance of RGS4 in GC was analyzed using bioinformatics based public databases and verified by immunohistochemistry and quantitative polymerase chain reaction in 90 patients with *** assays were employed to assess the carcinogenic impact of RGS4,and the mechanism of its possible influence was detected by western blot analysis.A nude mouse xenograft model was established to study the effects of RGS4 on GC growth in *** RGS4 was highly expressed in GC tissues compared with matched adjacent normal *** RGS4 expression was correlated with increased tumor-node-metastasis stage,increased tumor grade as well as poorer overall survival in patients with *** experiments demonstrated that RGS4 knockdown suppressed GC cell proliferation,migration and ***,xenograft experiments confirmed that RGS4 silencing significantly inhibited tumor ***,RGS4 knockdown resulted in reduced phosphorylation levels of focal adhesion kinase,phosphatidyl-inositol-3-kinase,and protein kinase B,decreased vimentin and N-cadherin,and elevated *** High RGS4 expression in GC indicates a worse prognosis and RGS4 is a prognostic ***4 influences tumor progression via the focal adhesion kinase/phosphatidyl-inositol-3-kinase/protein kinase B pathway and epithelial-mesenchymal transition.

关键词： gastric cancer Prognosis Regulator of G protein signaling 4 Focal adhesion kinase Epithelial-mesenchymal transition

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Digestive tract reconstruction using isoperistaltic jejunumlater-cut overlap method after totally laparoscopic total gastrectomy for gastric cancer: Short-term outcomes and impact on quality of life

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World Journal of Gastroenterology 2017年第39期23卷 7129-7138页

作者： Ze-Ning Huang Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Qi-Yue Chen Long-Long Cao Mi Lin Ru-Hong Tu Ju-Li Lin department of gastric surgery Fujian Medical University Union Hospital

AIM To evaluate the short-term outcomes and quality of life(Qo L) in gastric cancer patients undergoing digestive tract construction using the isoperistaltic jejunum-latercut overlap method(IJOM) after totally laparoscopic total gastrectomy(TLTG).METHODS A total of 507 patients who underwent laparoscopic gastrectomy(D2) from January 2014 to March 2016 were originally included in the study. The patients were divided into two groups to undergo digestive tract construction using either IJOM after TLTG(group T, n = 51) or Roux-en-Y anastomosis after laparoscopic-assisted total gastrectomy(LATG)(group A, n = 456). The short-term outcomes and Qo L were compared between the two groups after 1:2 propensity-score matching(PSM). We used a questionnaire to assess Qo *** Before matching, age, sex, tumor size, tumor location, preoperative albumin and blood loss were significantly different between the two groups(P < 0.05). After PSM, the patients were well balanced in terms of their clinicopathological characteristics, although both blood loss and in-hospital postoperative days in group T were significantly lower than those in group A(P < 0.05). After matching, group T reported better Qo L in the domains of pain and dysphagia. Among the items evaluating pain and dysphagia, group T tended to report better Qo L("Have you felt pain" and "Have you had difficulty eating solid food")(P < 0.05).CONCLUSION The IJOM for digestive tract reconstruction after TLTG is associated with reduced blood loss and less pain and dysphagia, thus improving Qo L after laparoscopic gastrectomy.

关键词： Esophagojejunostomy Overlap Later-cut Totally laparoscopic total gastrectomy Quality of life

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Laparoscopic spleen-preserving splenic hilar lymphadenectomy in 108 consecutive patients with upper gastric cancer

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World Journal of Gastroenterology 2014年第32期20卷 11376-11383页

作者： Ping Li Chang-Ming Huang Chao-Hui Zheng Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Jun Lu Yi Wang Qi-Yue Chen department of gastric surgery Fujian Medical University Union Hospital

AIM: To evaluate the feasibility and short-term efficacy of laparoscopic spleen-preserving splenic hilar (No. 10) lymphadenectomy to treat advanced upper gastric cancer (AUGC).

关键词： Stomach neoplasms Spleen-preservation laparoscopy Gastrectomy Lymphadenectomy

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Comparision of modified and conventional delta-shaped gastroduodenostomy in totally laparoscopic surgery

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World Journal of Gastroenterology 2014年第30期20卷 10478-10485页

作者： Chang-Ming Huang Mi Lin Jian-Xian Lin Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jun Lu department of gastric surgery Fujian Medical University Union Hospital

AIM: To evaluate the safety and feasibility of a modified delta-shaped gastroduodenostomy (DSG) in totally laparoscopic distal gastrectomy (TLDG).

关键词： Stomach neoplasms Totally laparoscopic surgery Digestive tract reconstruction Modified anastomosis Treatment outcome

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Role of 3DCT in laparoscopic total gastrectomy with spleen-preserving splenic lymph node dissection

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World Journal of Gastroenterology 2014年第16期20卷 4797-4805页

作者： Jia-Bin Wang Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jian-Xian Lin Jun Lu department of gastric surgery Fujian Medical University Union Hospital

AIM: To investigate whether computed tomography with 3D imaging (3DCT) can reduce the risks associated with laparoscopic surgery.

关键词： Stomach neoplasms Spleen preservation Laparoscopy Lymph node dissection Computed tomography angiography with three-dimensional imaging

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Laparoscopic total mesorectal excision with natural orifice specimen extraction

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World Journal of Gastroenterology 2013年第5期19卷 750-754页

作者： Quan Wang Chao Wang Dong-Hui Sun Punyaram Kharbuja Xue-Yuan Cao department of gastric and Colorectal surgery Jilin University First Hospital

AIM:To introduce transvaginal or transanal specimen extraction in laparoscopic total mesorectal excision surgery to avoid an abdominal incision. METHODS:Between January 2009 and December 2011,21 patients with rectal cancer underwent laparoscopic radical resection and the specimen was retrieved by two different ways:transvaginal or transanal rectal *** specimen extraction approach was strictly limited to elderly post-menopausal women who need *** aged between 30 and 80 years,with a body mass index of less than 30 kg/m2, underwent elective *** surgical technique and the outcomes related to the specimen extraction,such as duration of surgery,length of hospital stay,and the complications were retrospectively reviewed. RESULTS:Laparoscopic resection using a natural orifice removal approach was successful in all of the 21 *** operating time was 185 min(range,122-260 min)and the estimated blood loss was 48 mL. The mean length of hospital stay was 7.5 d(range,2-11 d).One patient developed postoperative ileus and had an extended hospital *** patient complained of minimal *** were no postoperative complications or surgery-associated *** mean size of the lesion was 2.8 cm(range,1.8-6.0 cm),and the mean number of lymph nodes harvested was 18.7(range, 8-27).At a mean follow-up of 20.6 mo(range,10-37 mo),there were no functional disorders associated with the transvaginal and transanal specimen extraction. CONCLUSION:Transvaginal or transanal extraction in L-TME is a safe and effective *** orifice specimen extraction can avoid the abdominal wall incision and its potential complications.

关键词： Laparoscopic total mesorectal excision Natural orifice specimen extraction Rectum cancer Transvaginal Transanal

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Comparison of totally laparoscopic total gastrectomy using an endoscopic linear stapler with laparoscopic-assisted total gastrectomy using a circular stapler in patients with gastric cancer: a single-center experience

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World Journal of Gastroenterology 2017年第48期23卷 8553-8561页

作者： Chung Sik Gong Byung Sik Kim Hee Sung Kim department of gastric surgery asan medical centeruniversity of ulsan college of medicine

AIM To evaluate the safety and efficacy of totally laparoscopic total gastrectomy(TLTG) with esophagojejunostomy using a linear stapler compared with laparoscopic-assisted total gastrectomy(LATG) using a circular stapler in gastric cancer *** We retrospectively reviewed 687 patients who underwent laparoscopic total gastrectomy for gastric cancer at a single institution from August 2008 to August 2014. The patients were divided into two groups according to the type of operation: 421 patients underwent TLTG and 266 underwent LATG. Clinicopathologic characteristics and surgical outcomes in the two groups were compared and *** The TLTG group had higher mean ages at the time of operation(57.78 ± 11.20 years and 55.69 ± 11.96 years,P = 0.020) and more histories of abdominal surgery(20.2% and 12.4%,P = 0.008) compared with the LATG group. Surgical outcomes such as intraoperative and postoperative transfusions,combined operations,pain scores and administration of analgesics,and complications were similar between the two groups. However,compared with the LATG group,the TLTG group required a shorter operation time(149 min vs 170 min,P gastric cancer.

关键词： Totally laparoscopic total gastrectomy Laparoscopic-assisted total gastrectomy gastric cancer

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Small-volume chylous ascites after laparoscopic radical gastrectomy for gastric cancer:Results from a large population-based sample

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World Journal of Gastroenterology 2015年第8期21卷 2425-2432页

作者： Jun Lu Zhen-Quan Wei Chang-Ming Huang Chao-Hui Zheng Ping Li Jian-Wei Xie Jia-Bin Wang Jian-Xian Lin Qi-Yue Chen Long-Long Cao Mi Lin department of gastric surgery Fujian Medical University Union Hospital department of General surgery Sanming No. 2 Hospital

AIM:To report the incidence and potential risk factors of small-volume chylous ascites(SVCA)following laparoscopic radical gastrectomy(LAG).METHODS:A total of 1366 consecutive gastric cancer patients who underwent LAG from January 2008 to June 2011 were enrolled in this *** analyzed the patients based on the presence or absence of ***:SVCA was detected in 57(4.17%)patients,as determined by the small-volume drainage(range,30-100 m L/24 h)of triglyceride-rich *** univariate and multivariate analyses revealed that the total number of resected lymph nodes(LNs),No.8 or No.9 LN metastasis and N stage were independent risk factors for SVCA following LAG(P0.05).CONCLUSION:SVCA following LAG developed significantly more frequently in the patients with≥32harvested LNs,≥3 metastatic LNs,or No.8 or No.9LN ***,which was successfully treated with conservative management,was associated with a prolonged hospital stay but was not associated with the prognosis.

关键词： gastric cancer Laparoscopic gastrectomy Small volu

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Feasibility of laparoscopic total gastrectomy in overweight patients: Implications of less impact of overweight on laparoscopic versus open approach

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World Journal of Clinical Cases 2018年第16期6卷 1094-1100页

作者： Masatoshi Nakagawa Kazuyuki Kojima Mikito Inokuchi Kenta Kobayashi Toshiro Tanioka Keisuke Okuno Kentaro Gokita department of gastric surgery Tokyo Medical and Dental University Center for Minimally Invasive surgery Tokyo Medical and Dental University

AIM To investigate safety and oncological feasibility of laparoscopic total gastrectomy(LTG) in overweight(OW) *** Patients who underwent total gastrectomy(110 laparoscopic, 211 open) for gastric cancer between January 1999 and July 2016 were included. Propensity score matching selected 152 patients(76 laparoscopic, 76 open), which were subsequently divided into the OW(≥ 25) or non-OW(< 25) group by body mass index. Postoperative outcomes of laparoscopic versus open approaches were compared between OW and non-OW groups. RESULTS In the propensity-matched population, baseline characteristics were comparable between the OW and nonOW groups for the laparoscopy and open groups. In the laparoscopy group, operative time was longer(P = 0.01) in the OW group, however, other perioperative results including complication rates were comparable between the non-OW and OW groups. In the open group, number of retrieved lymph nodes were less(P = 0.03) and local complication rate was more frequent(P = 0.03) in the OW group. CONCLUSION LTG in OW patients remains technically challenging but can be performed safely. Our findings imply that OW has a lesser effect on the laparoscopic versus open approach to total gastrectomy.

关键词： gastric cancer Laparoscopy Overweight Total gastrectomy

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A comparative study of totally laparoscopic distal gastrectomy versus laparoscopic-assisted distal gastrectomy in gastric cancer patients: Short-term operative outcomes at a high-volume center

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Chinese Journal of Cancer Research 2018年第5期30卷 537-545页

作者： Won Ho Han Amir Ben Yehuda Deok-Hee Kim Seung Geun Yang Bang Wool Eom Hong Man Yoon Young-Woo Kim Keun Won Ryu Center for gastric Cancer National Cancer Center department of surgery Assaf Harofeh Medical Center

Objective： Laparoscopic gastrectomy has been established as a standard treatment for early gastric cancer, and its use is increasing recently. Compared with the conventional laparoscopy-assisted distal gastrectomy （LADG）, totally laparoscopic distal gastrectomy （TLDG） involves intracorporeal reconstruction, which can avoid the additional incision, resulting in pain reduction and early recovery. This study aimed to compare the short-term postoperative outcomes of TLDG vs. LADG in gastric cancer in a high-volume ***： A retrospective cohort study was conducted on 1,322 patients who underwent laparoscopic distal gastrectomy from June 2012 to June 2017 at the National Cancer Center, Korea. LAD G was performed in the early period before July 2015, and TLDG was applied in the later period. Postoperative short-term outcomes were compared in terms of complication and clinical course between the two groups. Pain score was measured by rating the pain intensity from 0 to 10 points on postoperative day （POD） 1 and 3. Results： A total of 667 patients underwent LADG and 655 patients underwent TLDG. Clinieopathologic characteristics were not different in both groups. Intraoperative estimated blood loss （EBL） was significantly lower in the TLDG group （P〈0.001）. Postoperative pain scores were significantly lower in the TLDG group than in the LADG group on POD 1 （5.1±1.5 vs. 4.8±1.4, P=0.015）. First flatus passage after operation was significantly earlier in the TLDG group （3.4±0.8 d vs. 3.2±0.6 d, P〈0.001）. There were no differences in postoperative complications and hospital stay between the two groups. Conclusions： Based on the reported short-term postoperative outcomes, TLDG is safe and feasible as well as LADG. Moreover, compared with LADG, TLDG can reduce intraoperative EBL and postoperative pain and enhance the bowel motility in gastric cancer surgery.

关键词： Distal gastrectomy gastric cancer intracorporeal anastomosis laparoscopic surgery

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