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find Keyword "细胞免疫" 28 results
  • CLINICAL OBSERVATION OF TRAUMATICALLYDAMAGED JOINT AFTER ITS REPAIR WITH TRANSPLANTATION OF ALLOGENIC JOINT

    Objective To evaluate the long-term function of the traumaticallydamaged joint after its repair with transplantation of a fresh or a frozen allogenic joint. Methods From March 1977 to September 1993, 13 patients (9 males, 4females; age, 17-55 years) with traumatically-damaged joints underwent transplantation of the fresh or the frozen allogenic joints. Five patients had 5 damagedmetacarpophalangeal joints, 6 patients had 9 damaged interphalangeal joints, and 2 patients had 2 damaged elbow joints. So, the traumatic damage involved 13 patients and 16 joints. All the metacarpophalangeal joints and the interphalangeal joints were injured by machines and the 2 elbow joints were injured by road accidents. The patients were randomly divided into 2 groups: Group A (n=7) andGroup B (n=6). The 7patients with 8 joints in Group A underwent transplantation of fresh allogenic joints; the 6 patients with 8 joints in Group B underwent transplantation of frozen allogenic joints. The allogenic joint transplants were performed in the period from immediately after the injuries to 6 months after the injuries. The motion ranges of the transplanted joints and the X-ray films were examined after operation, and the immunological examination was performed at 8 weeksafter operation. Results The time for synostosis was 5-8 months in Group A, but4-6 months in Group B. In Group A, at 2 years after operation the metacarpophalangeal flexion was 30-40° and the interphalangeal flexion was 20-30°; however,at 6 or 7 years after operation the interphalangeal flexion was only 10-20°. The patients undergoing the transplantation with fresh elbow joints had the elbowflexion of 60° and the elbow extension of 0°, and had the forearm pronation of 30°and the forearm supination of 30°. But in Group B, at 2 years after operation the metacarpophalangeal flexion was 6070° and the interphalangeal flexionwas 40-50°; at 6 or 7 years after operation the interphalangeal flexion was still 40-50°. However, the patients undergoing the transplantation with frozen elbow joints had the elbow flexion of 90° and the elbow extension of 0°, and hadthe forearm pronation of 45° and a forearm supination of 45°. The joint motion ranges, the Xray findings, and the immunological results in the patients undergoing the transplantation of the frozen allogenic joints were significantly better than those in the patients undergoing the transplantation of fresh allogenicjoints. There was a significant difference in the immunological examination between Group A and Group B (IL2, 21.64±3.99;CD4/CD8,3.88±0.82 vs.IL-2,16.63±3.11;CD4/CD8, 2.53±0.23, P<0.01). Conclusion Repairing the traumatically-damaged joints with frozen allogenic joints is a better method of regaining the contour, movement, and complex motion of the hands. 

    Release date:2016-09-01 09:23 Export PDF Favorites Scan
  • EFFECT OF L ARGININE SUPPLEMENTATION ON PARTIAL THICKNESS BURNED PATIENTS

    OBJECTIVE L-arginine is a semiessential dibasic amino acid for humans and animals. This paper aims to investigate the therapeutic effect of L-arginine supplementation on partial-thickness burned patients. METHODS A randomized controlled clinical trial was designed to evaluate the cellular immune function (T cell count, ratio of CD4/CD8, natural killer cell activity and IL-2 level) and protein metabolism (transferrin, prealbium and nitrogen balance) of patients in the experimental group which daily given 15 g arginine and the control group which daily given 25 g glycine. RESULTS The natural killer cell activity and IL-2 production in the experimental group were higher than that of the control group. The suppression of transferrin and prealbium was alleviated and the nitrogen balance was improved in the experimental group. CONCLUSION It suggests that exogenous arginine supplementation is beneficial for recovery of cellular immunity function and protein anabolism in partial-thickness burned patients.

    Release date:2016-09-01 11:05 Export PDF Favorites Scan
  • 非小细胞肺癌患者围术期细胞免疫功能的变化及免疫治疗

    目的 观察围术期非小细胞肺癌患者细胞免疫功能的变化及应用胸腺肽α1后对机体免疫功能的影响,为临床应用免疫增强剂联合手术治疗非小细胞肺癌患者提供依据。 方法 将97例行肺叶或右全肺切除术的非小细胞肺癌患者分为两组,组1:围术期给予胸腺肽α1治疗;组2:围术期未给予胸腺肽α1治疗;对照组:另选择19例同期非肺癌而采取手术治疗的肺部疾病患者作为对照。 采用间接免疫荧光法(IFCA)测定3组围术期T细胞亚群的百分率变化。 结果 术后第1 d组1 CD4+T、CD4+T/CD8+T高于组2(CD4+T 36.92%±2.10% vs. 31.18%±7.64%; CD4+T/CD8+T 1.31±0.36 vs. 1.09±0.32;Plt;0.05),术后第3 d组1 CD4+T和CD4+T/CD8+T高于组2(CD4+T 45.66%±3.77% vs. 34.70%±8.42%; CD4+T/CD8+T 1.42±0.11 vs. 1.14±0.20; Plt;0.05);术后第9 d CD4+T、CD4+T/CD8+T高于组2(CD4+T 47.28%±1.96% vs. 39.12%±3.10%; CD4+T/CD8+T 1.46±0.14 vs. 1.22±0.36;Plt;0.05);术后第16 d组1 CD4+T、CD4+T/CD8+T与组2和对照组比较差异无统计学意义(Pgt;0.05)。 结论 非小细胞肺癌患者的免疫功能低下,应用胸腺肽α1后细胞免疫功能较快恢复至正常状态,对非小细胞肺癌患者早期采用手术、化疗/放疗的综合治疗有助于提高治疗效果。

    Release date:2016-08-30 06:06 Export PDF Favorites Scan
  • IMMUNOMODULATING EFFECTS OF CIMETIDINE ON THE RED CELL IMMUNE FUNCTION AND INTERLEUKIN-2 IN RATS WITH OBSTRUCTIVE JAUNDICE

    Objective To investigate the effects of cimetidine on the red cell immune function and interleukin-2(IL-2) in rats with obstructive jaundice. Methods Sixty SD rats were divided into bile duct ligation(BDL) group, cimetidine therapy (BDLC) group and sham operation(SO) group respectively. The red cell immue function and serum IL-2 level were determined with the red cell yeast-rosttes test and radioimmunoassay respectively. Results The red blood cell C3b receptor rosette rate(RBC-C3bRR), the red blood cell immune complex rosette rate(RICR), the red blood cell C3b receptor rosette-forming excited rate(RFER) and serum IL-2 level were significantly lower in BDL group as compared with SO group, the red blood cell C3b receptor rosette-forming inhibitory rate(RFIR) in BDL group was higher than that of SO group. After 7 days’ cimetidine therapy RBCC3bRR, RICR, RFER and IL-2 became higher than those of BDL group, but RFIR was lower than that of BDL group. Conclusion Supplemental cimetidine can significantly enhance the impaired red cell immune function and IL-2 production in rats with obstructive jaundice.

    Release date:2016-08-28 05:29 Export PDF Favorites Scan
  • DYNAMIC STUDY ON PERIOPERATIVE CHANGES OF PROSTAGLADIN E2 AND CELLULAR IMMUNE FUNCTION IN PATIENTS WITH GASTRIC CANCER

    In order to investigate pre-and postoperative changes of prostagladin E2 (PGE2) and cellular immune function in patients with gastric cancer (GC), we measured T cell subsets, natural killer cell activity (NKCA) and PGE2 in peripheral blood (PB) of 31 GC patients and 30 controls with APAAP method, LDH release method and radioimmunoassay respectively. The results showed:① a significantly higher levels of PGE2, and a markedly lower levels of CD+4/CD+8 ratio in GC patients before surgery as compared with the controls. The PGE2 had a significant negtive coorelation with CD+4/CD+8 ratio and NKCA respectively.②PGE2 in PB of GC patients gradully declined to normal levels after surgery, moreover PGE2 in tumor tissue was markedly higher than that in normal tissue, implying that the tumor may be the major source of PGE2 in PB. Dynamic determination of PGE2 in PB would be great valuable in evaluation of cellular immune state, to evaluate the effect of surgery and prognosis of patients with gastric cancer.

    Release date:2016-08-29 03:20 Export PDF Favorites Scan
  • Effect of Bile Reinfusion on Immunologic Function of Erythrocyte in Patients with Obstructive Jaundice after External Drainage of Biliary Tract

    【Abstract】ObjectiveTo study the effect of bile reinfusion on immunologic function of erythrocyte in patients with obstructive jaundice after external drainage of biliary tract.MethodsPatients with obstructive jaundice who had received biliary tract external drainage were randomly divided into bile reinfusion group (n=24) and simple external drainage group (n=27). Patients without jaundice,who received cholecystectomy in the same period with the above ones,were selected randomly as control group(n=25). In external drainage groups patients’ bile was collected daily, and was filtered through gauze, and then, pumped back into the patients’ duodenum or jejunum after being heated to 38 ℃-40 ℃. The bile reinfusion could be started after the intestinal function recovered postoperatively. The changes of C3bRRT, ICRT, RFER and RFIR were observed before and after operation. The data were analysed through SPSS8.0.ResultsPreoperative C3bRRT and RFER levels in patients with obstructive jaundice were lower than those without jaundice significantly, and Preoperative ICRT and RFIR levels in patients with obstructive jaundice were higher than those without jaundice significantly. C3bRRT levels in bile reifusion group was higher obviously than those in simple drainage group (P<0.05) on the 14th postoperative day. ConclusionImmunologic function of erythrocyte in patients with obstructive jaundice is inhibited, and bile reinfusion after biliary tract external drainage can be helpful to the recovery of immunologic function of erythrocyte.

    Release date:2016-09-08 11:53 Export PDF Favorites Scan
  • Influence of Cardiopulmonary Bypass to the Cellular Immune Function o f T Lymphocyte

    Abstract: Objective To investigate the influence of cardiopul monary bypass(CPB) to the cellular immune function of T lymphocyte. Me th ods Among 500 patients operated from March 2006 to September 2006,30 patients with rheumatic heart disease were selected randomly as the CPB group, which would replace mitral valve; 30 patients with congenital patent ductus arte reriosus as the nonCPB group, which would ligate ductus arteriosus without CPB . The blood was sampled before operation, at the end of CPB or operation, and 24 hours after operation. After T lymphocyte was seperated, the quantum o f T lymphocyte, apoptosis of T lymphocyte, ability of T lymphocyte to kill tumou r cell were measured. Results The quantum of T lymphocyte i n CPB group at the end of CPB was decreased than that before operation (50.9% ±6.8% vs. 58.5%± 9.1%,Plt;0.05); apoptosis of T lymphocyte at the end of CPB and 24 hou rs after operation were increased than that before operation (6.5%±2.2% vs. 0. 9%±1.1%, 5.6%±1.8% vs. 0.9%±1.1%;Plt;0.01); ability to kill tumour cell b reakdown in CPB group at the end of CPB and 24 hours after operation was decrea sed than that before operation (30.4%±6.0% vs. 37.3%±8.6%, 29.0%±4.9% vs . 37 .3%±8.6%;Plt;0.05). Ability to kill tumour cell breakdown in CPB group was lower than that in nonCPB group at the end of CPB (30.4%±6.0% vs. 33.6%±5. 3%, Plt;0.05). Conclusion CPB can depress the cellular im mune function,which causes temporary immune depression to the body.

    Release date:2016-08-30 06:08 Export PDF Favorites Scan
  • Clinical Implications of Blood CD4 + CD25 + Regulatory T cells in Patients with Sepsis

    Objective To investigate the relationship between blood CD4 + CD25 + regulatory T cells ( Treg cells) and cell immunity in patients with sepsis and its prognostic value.Methods 27 patients with sepsis admitted during August 2007 and August 2008 in ICU were enrolled, while 40 healthy volunteers served as control. According to the clinical outcome after 28 days’ treatment, the sepsis patients were assigned to a death group( n=8) and a survival group ( n =19) . Blood Treg% and CD4 /CD8 were detected by flow cytometry and total AgNOR area/nucleus area per cell ( IS%) was measured by silver nitrate staining and image processing. Results The Treg% in the patients with sepsis was significant higher than that in the normal control [ ( 5. 61 ±1. 60) % vs. ( 0. 78 ±0. 23) % , P lt; 0. 01 ] , while the level of CD4 /CD8 and IS% were significant lower[ CD4 /CD8: ( 1. 09 ±0. 30) vs. ( 1. 71 ±0. 36) , IS% : ( 5. 19 ±1. 07) % vs. ( 6. 76 ±0. 92) % , both P lt; 0. 01] . Significant correlations were found between Treg% and CD4 /CD8( r= - 0. 484, P lt;0. 01) , and between Treg% and IS% ( r = - 0. 588, P lt;0. 01) . Compared with the survival group, Treg% was significant higher [ ( 7. 09 ±1. 17) % vs. ( 5. 00 ±1. 33) % , P lt; 0. 01] , and CD4 /CD8 and IS% were significant lower[ CD4 /CD8: ( 0. 87 ±0. 22) vs. ( 1. 18 ±0. 29) , IS% : ( 3. 97 ±0. 42) % vs. ( 5. 71 ±0. 81) % , both P lt; 0. 01] in the death group. Conlusion Blood Treg% level can reflect the cell immune state of patients with sepsis and is of clinical value to assess the prognosis.

    Release date:2016-08-30 11:53 Export PDF Favorites Scan
  • Effects of Laparoscopic and Minilaparotomy Approaches to Rectal Cancer on Cellular Immune Functions

    目的 探讨腹腔镜与小切口直肠癌根治术对患者机体细胞免疫功能的影响。方法 选取2010年1月至2011年6月期间我院行腹腔镜及小切口直肠癌根治患者102例,其中腹腔镜组53例,小切口组49例。 采用流式细胞仪测定患者术前1d及术后第1及第5天外周血中CD3、CD4+、CD8+、CD19及NK细胞比例的变化,研究不同手术方式对患者细胞免疫功能的影响。结果 术后第1及第5天,腹腔镜组和小切口组患者的CD3、CD4+、CD8+、CD19及NK细胞比例(数)均较术前明显降低(P<0.05)。同腹腔镜组比较,小切口组术前及术后CD3、CD4+、CD8+、CD19及NK细胞比例(数)的差异均无统计学意义(P>0.05)。结论 腹腔镜与小切口直肠癌根治对患者机体细胞免疫功能的无明显影响。

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  • Advances in immunotherapy for advanced gastric cancer

    ObjectiveTo recognize the latest research progress of immunotherapy for advanced gastric cancer (AGC). MethodThe domestic and international literature on immunotherapy for AGC in recent years were retrieved and reviewed. ResultsThe immunotherapy for AGC mainly focused on immune checkpoint inhibitors (ICIs), cellular immunity, and antitumor vaccines. The most immunotherapy researched was ICIs, especially for programmed death protein-1 / programmed death protein ligand 1, cytotoxic T lymphocyte associated antigen 4, and lymphocyte activating gene 3. The cellular immunotherapy and tumor vaccine therapy were less relatively. Although immunotherapy alone did not have a particularly good effect, its therapeutic effect was not inferior to that of chemotherapy alone and the incidence of adverse reactions was lower. Moreover, most studies had concluded that the use of immunotherapy in combination with other therapy had shown a good clinical efficacy, especially in combination with anti-human epidermal growth factor receptor 2 antibody, and chimeric antigen receptor T cells targeting Claudin 18.2 site had promising results in the AGC. ConclusionsWith the development of immunotherapy research, the strategies of immunotherapy for AGC are also constantly improving. Precision medicine is important in the process of immunotherapy. Targeted screening suitable patients and adopting precise treatment can further benefit the survival of patients with AGC.

    Release date:2024-02-28 02:42 Export PDF Favorites Scan
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