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Objective: To explore the effect and mechanism of small GTP-binding protein GDP dissociation stimulator (SmgGDS) on the development of obesity. Methods: (1) 8-week-old C57BL/6J mice were randomly assigned to normal diet and high fat diet group, with 6 mice in each group. They were fed regular feed and a high fat diet containing 60% fat for 4 months, respectively. The expression of SmgGDS in epididymal adipose tissue (eWAT), liver, and skeletal muscle were measured using Western-blot. (2) 6-week-old wild-type (WT) and SmgGDS knockdown (KD) mice were divided into four groups, each receiving high fat diet for 4 months (7 in each group) and 7 months (9 in each group). Glucose tolerance test (GTT) and insulin tolerance test (ITT) were conducted; The weight, adipose tissue, and liver weight of mice were recorded; HE staining examined adipose tissue structural changes; Western-blot determined extracellular signal-regulated kinase (ERK) 1/2 phosphorylation levels in eWAT; Real time fluorescence quantitative polymerase chain reaction (RT-qPCR) was used to detect mRNA levels of CCAAT/enhancer binding protein α (C/EBPα), C/EBPβ and peroxisome proliferator activated receptor γ (PPARγ) in eWAT. (3) Mouse embryonic fibroblasts (MEFs) extracted from WT and KD mice were induced for differentiation. Oil red O staining and Western-blot were used to detect lipid droplet and expression of SmgGDS and phospho-ERK; C/EBPα, C/EBPβ and PPARγ mRNA levels were measured using RT-qPCR. (4) 10-week-old C57BL/6J mice were randomly assigned into two groups, with 7 mice in each group. Mice were infected with SmgGDS overexpressing adeno-associated virus (AAV-SmgGDS) or empty vector intraperitoneally, then fed with high fat diet. After 4 weeks, performed GTT and ITT; Recorded the weight and adipose tissue weight of mice; HE staining was used to analyze structural changes of eWAT; Western-blot was used to detect the phosphorylation level of ERK in eWAT. Results: (1) The expression of SmgGDS was significantly upregulated in eWAT of high fat diet fed mice (normal diet group: 0.218±0.037, high fat diet group:0.439±0.072, t=2.74, P=0.034). (2) At 4 months of high fat diet intervention, the glucose tolerance (60 minutes after glucose injection, WT group: 528 mg/dl±21 mg/dl, KD group: 435 mg/dl±17 mg/dl, t=3.47, P=0.030; 90 minutes, WT group: 463 mg/dl±24 mg/dl, KD group: 366 mg/dl±18 mg/dl, t=3.23, P=0.047;120 minutes, WT group: 416 mg/dl±21 mg/dl, KD group: 297 mg/dl±16 mg/dl, t=4.49, P=0.005) and insulin sensitivity (15 minutes after insulin injection, WT group: 77.79%±3.45%, KD group: 54.30%±2.92%, t=3.49, P=0.005; 30 minutes, WT group: 62.27%±5.31%, KD group: 42.25%±1.85%, t=2.978, P=0.024; 90 minutes, WT group: 85.69%±6.63%, KD group: 64.71%±5.41%, t=3.120, P=0.016) of KD mice were significantly improved compared to the WT group, with an increase in eWAT weight ratio (WT: 4.19%±0.18%, KD: 5.12%±0.37%, t=2.28, P=0.042), but a decrease in average adipocyte area (WT group: 5221 μm²±241 μm², KD group: 4410 μm²±196 μm², t=2.61, P=0.026). After 7 months of high fat diet, the eWAT weight ratio of KD mice decreased (WT: 5.02%±0.20%, KD: 3.88%±0.21%, t=3.92, P=0.001) and adipocyte size decreased (WT group: 6 783 μm²±390 μm², KD group: 4785 μm²±303 μm², t=4.05, P=0.002). The phospho-ERK1 in eWAT increased (WT group: 0.174±0.056, KD group: 0.588±0.147, t=2.64, P=0.025), and mRNA level of PPARγ significantly decreased (WT group: 1.018±0.128, KD group: 0.029±0.015, t=7.70, P=0.015). (3) The expression of SmgGDS was significantly increased in differentiated MEF (undifferentiated: 6.789±0.511, differentiated: 10.170±0.523, t=4.63, P=0.010); SmgGDS knock-down inhibited lipid droplet formation in MEF (WT group: 1.00±0.02, KD group: 0.88±0.02, t=5.05, P=0.007) and increased ERK1 (WT group: 0.600±0.179, KD group: 1.325±0.102, t=3.52, P=0.025) and ERK2 (WT group: 2.179±0.687, KD group: 5.200±0.814, t=2.84, P=0.047) activity, which can be reversed by ERK1/2 inhibitor. (4) SmgGDS over expression resulted in weight gain, increased eWAT weight (control group: 3.29%±0.36%, AAV-SmgGDS group: 4.27%±0.26%, t=2.20, P=0.048) and adipocyte size (control group: 3525 μm²±454 μm², AAV-SmgGDS group: 5326 μm²±655 μm², t=2.26, P=0.047), impaired insulin sensitivity(30 minutes after insulin injection, control group: 44.03%±4.29%, AAV-SmgGDS group: 62.70%±2.81%, t=3.06, P=0.019), and decreased ERK1 (control group: 0.829±0.077, AAV-SmgGDS group: 0.326±0.036, t=5.96, P=0.001)and ERK2 (control group: 5.748±0.287, AAV-SmgGDS group: 2.999±0.845, t=3.08, P=0.022) activity in eWAT. Conclusion: SmgGDS knockdown improves obesity related glucose metabolism disorder by inhibiting adipogenesis and adipose tissue hypertrophy, which is associated with ERK activation.
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ObjectiveTo explore the influence of Xiaoai Jiedu prescription （XJP）-containing serum on natural killer （NK） cells′ lethal effect on colon cancer cells and the molecular mechanism. MethodXJP-containing serum （0.1%， 0.5%， 1%， 5%， 10%） was used to treat HCT-116 cells and NK-92MI cells respectively for 24 h， and methyl thiazolyl tetrazolium （MTT） assay was employed to detect cell proliferation. Then， low-concentration （0.1%， 0.5%， 1%） XJP-containing serum was selected to treat co-cultured HCT-116 cells and NK-92MI cells for 24 h and calcein acetoxymethyl ester/propidium iodide （Calcein-AM/PI） was applied to detect the killing effect of NK cells on colon cancer cells. Flow cytometry was used to detect apoptosis of colon cancer cells， Western blot the expression of apoptosis-related proteins and signal transducer and activator of transcription 4 （STAT4） pathway-related proteins， and enzyme-linked immunosorbent assay （ELISA） the secretion of interferon （IFN）-γ. ResultHigh-concentration （5%， 10%） XJP-containing serum inhibited the proliferation of HCT-116 and NK-92MI cells （P<0.01）， while low-concentration （0.1%， 0.5%， 1%） XJP-containing serum had no obvious influence on cell proliferation compared with the blank group. As compared with the blank group， low-concentration XJP-containing serum enhanced the killing activity of NK cells against colon cancer cells in a concentration-dependent manner （P<0.01）， and induced apoptosis of colon cancer cells （P<0.01）. Moreover， XJP-containing serum （0.1%， 0.5%， 1%） down-regulated the expression of B-cell lymphoma 2 （Bcl-2） and B-cell lymphoma-extra large （Bcl-xl）， and up-regulated the expression of Bcl-2-associated X （Bax） compared with the blank group （P<0.05， P<0.01）. Compared with the co-culture group， XJP-containing serum （0.1%， 0.5%， 1%） increased the expression of p-STAT4 and IFN-γ （P<0.05）. ELISA result showed that XJP-containing serum （0.1%， 0.5%， 1%） raised IFN-γ secretion （P<0.01）. ConclusionXJP-containing serum can enhance the activity of NK cells to kill colon cancer cells. The mechanism is the likelihood that it activates STAT4 pathway， increases IFN-γ secretion by NK cells， down-regulates the expression of Bcl-xl and Bcl-2， and up-regulates the expression of Bax， thereby promoting the apoptosis of colon cancer cells.
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ObjectiveTo explore the mechanism of Fuzi Lizhongwan alleviating the damage of chemotherapy-induced peripheral neuropathy （CIPN） mice caused by cisplatin based on mitogen-activated protein kinase （MAPK） signaling pathway. MethodA total of 40 female KM mice were randomized into blank group （distilled water， ig）， model group （distilled water， ig）， Fuzi Lizhongwan group （3.5 g·kg-1， ig）， and aspirin group （0.026 g·kg-1， ig）. Cisplatin （3 mg·kg-1， ip， 5 days） was used to induce CIPN in mice. Administration began while modeling and lasted 12 days. The general conditions and behaviors of mice were observed. After the last administration， samples were collected. Pathological changes of the soles were observed based on hematoxylin-eosin （HE） staining. Biochemical assay was employed to determine the levels of serum superoxide dismutase （SOD）， hydrogen peroxide （H2O2）， malondialdehyde （MDA）， and nitric oxide （NO）， enzyme-linked immunosorbent assay （ELISA） the content of interleukin-6 （IL-6）， interleukin-1β （IL-1β）， tumor necrosis factor-α （TNF-α）， and glutathione peroxidase-3 （GPX-3） in kidney tissue， and Western blotting the expression of extracellular signal-regulated kinase1/2 （ERK1/2）， phosphorylated-ERK1/2 （p-ERK1/2）， p38 MAPK， and phosphorylated-p38 MAPK （p-p38 MAPK） in kidney tissue. ResultCompared with the blank group， model group demonstrated obvious pathological damage on the soles， hyperkeratosis of the epidermis with a basketweave pattern， atrophy of stratum spinosum， reduction of cells， and intracellular edema. Compared with the model group， Fuzi Lizhongwan significantly alleviated the pathological damage of the skin tissue of the soles. The model group showed lower body weight， mechanical pain threshold， thermal pain threshold （P<0.01）， and SOD activity （P<0.05）， higher content of H2O2， MDA， and NO （P<0.01）， and higher expression of IL-6， IL-1β， and TNF-α （P<0.01） than the blank group. Fuzi Lizhongwan group demonstrated higher body weight， mechanical pain threshold， thermal pain threshold （P<0.01）， and SOD activity （P<0.05）， lower content of H2O2， MDA， and NO （P<0.05）， and lower expression of IL-6， IL-1β， and TNF-α （P<0.01） than the model group. The expression of ERK1/2， p-ERK1/2， p38 MAPK， and p-p38 MAPK increased significantly （P<0.01） in the model group compared with that in the blank group， while the expression decreased significantly （P<0.01） in the Fuzi Lizhongwan group compared with that in the model group. ConclusionFuzi Lizhongwan can relieve the neurological injury of cisplatin-induced CIPN mice and increase the pain threshold of mice， possibly by regulating the MAPK signaling pathway and inhibiting inflammatory response and oxidative stress.
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<b>Objective::To detect the expression levels of leptin (LEP), acety-coenzyme A carboxylase(ACC) and malonyl-CoA (MCA)-related proteins and their genes in rat tissues, in order to explore the mechanism and dose-effect relationship of modified Wendantang in alleviating lipid metabolism disorder in female nutritional obese rats. <b>Method::Totally 50 SD female rats were randomly divided into 5 groups according to body weight, namely the normal control group, the model control group, and high, medium and low-dose modified Wendantang groups (18.2, 9.1, 4.55 g·kg<sup>-1</sup>). Except the normal control group, the remaining rats were fed with " common feed + high fat emulsion + carbonated beverage" to establish the model of nutritional obesity, and then continuously given drugs by gavage for 5 weeks. After the last drug administration to animals in each group, the rats were anaesthetized to collect materials. The serum LEP, and liver and gastrocnemius ACC levels in each group were detected by enzyme-linked immunosorbent assay (ELISA). Quantitative real-time fluorescence polymerase chain reaction (Real-time PCR) was used to detect the expressions of LEP, MCA and ACC2 mRNA in the hypothalamus and liver tissues of each group. <b>Result::Compared with the normal control group, the body weight and fat index of the model control group increased significantly (<italic>P</italic><0.05). Compared with the model control group, the medium-dose modified Wendantang group could significantly down-regulate the expressions of LEP, MCA mRNA in rat hypothalamus (<italic>P</italic><0.01). The low-dose group can significantly down-regulate the expression levels of serum LEP, hypothalamus tissue LEP, MCA mRNA and liver tissue ACC2 mRNA (<italic>P</italic><0.05, <italic>P</italic><0.01). Compared with the high-dose modified Wendantang group and the middle-dose modified Wendantang group had the best effect in down-regulating the expressions of LEP and MCA mRNA in the hypothalamus of rats, which were followed by the low-dose group (<italic>P</italic><0.05, <italic>P</italic><0.01). <b>Conclusion::The mechanism of modified Wendantang against nutritional obesity in female rats is related to the intervention of LEP resistance and the decrease of the expression level of ACC2 mRNA in liver tissue and MCA mRNA in hypothalamus tissue. The middle and low-dose groups have a better effect.
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Objective@#To investigate the high-risk factors for parotid lymph node (PLN) metastasis from nasopharyngeal carcinoma (NPC) and evaluate the feasibility of local intensity-modulated radiotherapy (IMRT) in patients with high-risk NPC.@*Methods@#Clinical data of 440 NPC patients admitted to Department of Radiotherapy of Jiangsu Cancer Hospital from May, 2011 to March, 2017 were collected. The imaging features, treatment strategies and clinical prognosis of PLN metastasis were retrospectively analyzed. The whole group adopts the technique of intensity modulated radiotherapy. Total parotid or partial parotid irradiation, selective PLN irradiation, X-Ray and/or electronic line supplementation, dose 45-60 Gy. The χ2 test or Fisher′s accurate probability method test and single factor analysis, Logistic regression model multi-factor analysis. Kaplan-Meier survival analysis, log-rank test differences.@*Results@#PLN was observed in the parotid of 230 cases. At the end of follow-up, 11 patients (2.5%, 11/440) were diagnosed with PLN metastases. Among 11 cases, 9 patients (81.8%) had PLN size ≥5 mm. Multivariate analysis demonstrated that extracapsular spread of level Ⅱ was an independent risk factor for PLN metastasis. The patients with PLN size ≥5 mm or extracapsular spread of level Ⅱ were assigned into the high-risk PLN metastasis group. The patients in the high-risk group were further divided into the radiotherapy and non-radiotherapy subgroups. Survival analysis demonstrated that for 230 patients with PLN metastasis, the local recurrence-free survival (LRFS) significantly differed, whereas the overall survival (OS), disease metastasis-free survival (DMFS) and progression-free survival (PFS) did not considerably differ between the radiotherapy and non-radiotherapy subgroups in the high-risk PLN metastasis patients.@*Conclusions@#The PLN metastasis rate of NPC is low. Extracapsular spread of level Ⅱ is an independent risk factor. Radiotherapy of the parotid region is considered for patients with PLN size≥5 mm or those with PLN size<5 mm complicated with extracapsular spread of level Ⅱ.
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Objective To investigate the high-risk factors for parotid lymph node (PLN) metastasis from nasopharyngeal carcinoma (NPC) and evaluate the feasibility of local intensity-modulated radiotherapy (IMRT) in patients with high-risk NPC.Methods Clinical data of 440 NPC patients admitted to Department of Radiotherapy of Jiangsu Cancer Hospital from May,2011 to March,2017 were collected.The imaging features,treatment strategies and clinical prognosis of PLN metastasis were retrospectively analyzed.The whole group adopts the technique of intensity modulated radiotherapy.Total parotid or partial parotid irradiation,selective PLN irradiation,X-Ray and/or electronic line supplementation,dose 45-60 Gy.The x2 test or Fisher's accurate probability method test and single factor analysis,Logistic regression model multifactor analysis.Kaplan-Meier survival analysis,log-rank test differences.Results PLN was observed in the parotid of 230 cases.At the end of follow-up,11 patients (2.5％,11/440) were diagnosed with PLN metastases.Among 11 cases,9 patients (81.8％) had PLN size ≥5 mm.Multivariate analysis demonstrated that extracapsular spread of level Ⅱ was an independent risk factor for PLN metastasis.The patients with PLN size ≥ 5 mm or extracapsular spread of level Ⅱ were assigned into the high-risk PLN metastasis group.The patients in the high-risk group were further divided into the radiotherapy and non-radiotherapy subgroups.Survival analysis demonstrated that for 230 patients with PLN metastasis,the local recurrence-free survival (LRFS) significantly differed,whereas the overall survival (OS),disease metastasis-free survival (DMFS) and progression-free survival (PFS) did not considerably differ between the radiotherapy and nonradiotherapy subgroups in the high-risk PLN metastasis patients.Conclusions The PLN metastasis rate of NPC is low.Extracapsular spread of level Ⅱ is an independent risk factor.Radiotherapy of the parotid region is considered for patients with PLN size≥5 mm or those with PLN size＜5 mm complicated with extracapsular spread of level Ⅱ.
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Objective To explore the relationship between the rs18004197 polymorphism in the 3'-untranslated region of adenomatous polyposis coli (APC) gene and colorectal cancer susceptibility.Methods Firstly,we collected the peripheral venous blood of 573 colorectal cancer cases and 588 controls,and then extracted DNA from blood samples,genotyped rs1804197 polymorphism using real-time PCR and assessed its association with the susceptibility of colorectal cancer.Results There were 387 CC (67.5％),153 AC (26.7％) and 33 AA (5.8％) genotypes in the colorectal cancer cases.In the control group,there were 427 CC (72.6％),144 AC (24.5％) and 17 AA (2.9％) genotypes.The AA genotype odds ratio (OR =2.14,95％ CI:1.17-3.91,P =0.011) and the A allele frequency (P =0.011) were significant difference in case and control groups.Further subgroup analysis showed that the differences of the frequency distribution in the male (P =0.048) and non-drinking (P =0.020) groups were statistically significant.In the male group,the risk of colorectal cancer was increased by 0.41 (OR =1.41,95％ CI:1.01-1.98) for individuals bearing the A allele.In the non-drinking group,the risk of colorectal cancer was increased by 0.22 (OR =1.22,95％ CI:0.91-1.64) for individuals bearing the A allele,but the result was not statistically significant.Conclusion The rs18004197 polymorphism in the 3'-untranslated region of APC gene is related to the susceptibility of colorectal cancer.The AA genotype may increase the susceptibility of colorectal cancer.
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Objective To observe the efficacy and adverse reaction of raltitrexed combined with irino-tecan as first-line chemotherapy for recurrent or metastatic gastric cancer.Methods From January 201 4 to March 201 5,39 patients of recurrent or metastatic gastric cancer who received treatment in the First People′s Hospital of Zhangjiagang of Jiangsu Province were collected.All patients received raltitrexed (3.0 mg/m2 , 1 5 min intravenous drip)on the first day and irinotecan (1 80.0 mg/m2 ,90 min intravenous drip)on the first day.One cycle lasted 21 days.The efficacies were evaluated every 2-cycle.Adverse reactions were evaluated every cycle.Results The efficacies and adverse reactions could be evaluated in 39 patients.The study received 0 complete remission,1 6 partial remission,1 1 stable disease,1 2 progression disease.The objective response rate was 41 .03% (1 6 /39).The disease control rate was 69.23% (27 /39).The median overall sur-vival time was 9.3 months (95%CI:8.8-1 1 .1 months).The median progression-free survival time was 6.0 months (95%CI:5.1 -6.8 months).The adverse reactions were mainly neutropenia,anemia,liver dysfunc-tion,the incidence of them were 35.90%,33.33% and 28.21 % respectively.Conlusion Raltitrexed com-bined with irinotecan as first-line chemotherapy for recurrent or metastatic gastric cancer acquires an definite efficacy,and the adverse reactions can be tolerated,which is worthy of further clinical research.
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<p><b>OBJECTIVE</b>To establish a rapid quantitative analysis method for the content of chlorogenic acid and solid content in the extraction liquid concentration process during the production of Reduning injection by using the near-infrared (NIR) spectroscopy, in order to reflect the concentration state in a real-time manner and really realize the quality control of concentrating process of the extraction and concentration process.</p><p><b>METHOD</b>The samples during the Jinqing extraction liquid concentration process were collected. After the removal of abnormal samples, the spectra pretreatment and the wave band selection, the quantitative calibration model between NIR spectra and chlorogenic acid HPLC analytical value and solid content was established by using PLS algorithm, and unknown samples were predicted.</p><p><b>RESULT</b>The correlation coefficients between the chlorogenic acid content and the solid content were respectively 0.992 1 and 0.994 0, and the correlation coefficients of the verification model were respectively 0.994 4 and 0.998 4, with the root mean square error of calibration (RMSEC) of 0.814 6 and 2.656 1 and the root mean square error of prediction (RMSEP) of 0.704 6 and 1.876 7 respectively, and the relative standard errors of predictions (RSEP) were 6.01% and 2.93% respectively.</p><p><b>CONCLUSION</b>The method is simple, rapid, nondestructive, accurate and reliable, thus could be adopted for the fast monitoring of the chlorogenic acid content and the solid content during the concentration process of Reduning injection extraction liquid.</p>
Subject(s)
Drugs, Chinese Herbal , Chemistry , Quality Control , Spectroscopy, Near-Infrared , MethodsABSTRACT
Objective: To study the effect of PTCH1 methylation on gastric carcinogenesis and the therapeutic effect of methylation inhibitor, 5-aza-2′-deoxyeytidine (5-aza-dC), for treatment of gastric cancer. Methods: The total RNAs were extracted from 10 gastric cancer tissues, their corresponding adjacent normal tissues, and gastric cancer cell line AGS. The PTCH1 mRNA expression was detected by Quantitative real-time PCR (QRT-PCR) and the methylation of the promoter was examined by methylation specific PCR (MSP). AGS cells were treated by 5-Aza-dC; the cell cycle and apoptosis were examined by flow cytometry, and the methylation level was also observed. Results: PTCH1 expression was negatively correlated with promoter methylation in gastric cancer tissues, their corresponding adjacent normal tissues, and gastric cancer cell line AGS (r = -0.591, P = 0.006). 5-Aza-dC treatment caused apoptosis and G 0/G1 phase arrest of AGS cells, and also induced demethylation of PTCH1 and increased its expression. Conclusion: Hypermethylation of PTCH1 gene promoter region is one of the main causes of low PTCH1 expression in AGS cells. Demethylation agent 5-Aza-dC can reverse this methylation status of PTCH1 and regulate the expression of PTCH1, suggesting a role for it in gastric cancer treatment.
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Objective To investigate the expression and aberrant methylation of Ptchl gene in hedgehog signal pathway in carcinogenesis of human gastric cancer.Methods The total RNA and genomic DNA were extracted from 10 human gastric carcinoma tissues,adjacent tissues(＞3 cm from cancerous tissue)and gastric cancer eell line AGS.Ptchl mRNA expression was detected by real-time quantitative reverse transcription PCR.The pattern of CpG island in Ptchl gene 5'regulation sequence was analyzed by software and its methylation extent was tested by bisulfite sequencing PCR.Results The analysis of CpG island(starting-3950 bases upstream of the Ptchl mRNAla transcription start site and ending 2050 bases downstream)revealed that there were two CpG islands in Ptchl gene 5' regulation sequence(first CpG:-1139 bp～+860 bp;second CpG:+875 bp～+1692 bp).Bisulfite sequencing PCR analysis of 19 CpG sites included in the first CpG island(-870 bp～+229 bp)showed that there was methylation present in all cell lines and the average extent of the methylation of these CpG sites was significantly higher in cancerous tissues(64%±32%,ranged 16%～100%)than that in adjacent tissues(13%±14%,ranged 0%～42%,P＜0.05).There was a negative correlation of the Ptchl methylation with its expression.Conclusion The high methylation of Ptchl gene that involves in the carcinogenesis of human gastric carcer will be a new biomarker for gastric carcer.
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<p><b>OBJECTIVE</b>To compare therapeutic effects of needle warming therapy and electroacupuncture on simple obesity with spleen deficiency.</p><p><b>METHODS</b>Sixty-eight cases of simple obesity with spleen deficiency, including water-dampness retention due to spleen deficiency, qi-deficiency of the lung and spleen, yang-deficiency of the spleen and kidney, were randomly divided into a needle warming therapy group (n = 36) and an electroacupuncture group (n = 32). Zhongwan(CV 12), Shuifen (CV 9), Qihai (CV 6), Zhongji (CV 3), Tianshu (ST 25), Shuidao (ST 28), and so on were selected as main acupoints in the both groups. Their therapeutic effects and body mass indexes were observed.</p><p><b>RESULTS</b>The total effective rate was 88.9% in the needle warming therapy group and 71.9% in the electroacupuncture group with a significant difference between the two groups (P < 0.05); and there was a significant difference between the two groups in decrease of body mass index (P < 0.05).</p><p><b>CONCLUSION</b>Needle warming therapy has definite and long-term therapeutic effect on simple obesity with spleen deficiency.</p>
Subject(s)
Humans , Acupuncture Points , Electroacupuncture , Needles , Obesity , Therapeutics , SpleenABSTRACT
<p><b>OBJECTIVE</b>To evaluate the efficacy of postoperative intraperitoneal hyperthermic chemoperfusion (IHCP) combined with intravenous chemotherapy for advanced gastric cancer.</p><p><b>METHODS</b>Eighty-two patients with stage II - IV gastric cancer were postoperatively randomized into two groups; 46 patients in treatment group who received IHCP combined with intravenous chemotherapy for three times and 36 patients in control group who received intravenous chemotherapy only for six times. All patients in the two groups received the same chemo-regimen LFAP (CF + 5-Fu + THP or MIT + PDD) 21 - 28 days after operation.</p><p><b>RESULTS</b>The 1-year survival rate was 98% (45/46) in the treatment group and 94% (34/36) in the control group without any significant difference (P > 0.05). The 3-year survival rate was 83% (38/46) in the treatment group and 61% (22/36) in the control group with significant difference (P < 0.05). Gastrointestinal reaction in the treatment group was significantly decreased compared with in the control group (37% vs 80%, P < 0.01), whereas no statistically significant difference was noted in bone marrow suppression (P > 0.05).</p><p><b>CONCLUSION</b>Intraperitoneal hyperthermic chemoperfusion combined with intravenous chemotherapy can prolong survival and reduce gastrointestinal side-effect which provides an effective treatment option for advanced gastric cancer.</p>