Association between the level of CD4^+T lymphocyte microRNA-155 and coronary artery disease in patients with unstable angina pectoris

Objective To study the association between the expression of microRNA-155(miRNA-155)in peripheral blood CD4^+T lymphocytes and the level of semrn interferon-7(IFN-7)concentration and the severity of coronary artery disease (CAD).Methods After coronary angiography,252patients with suspected unstable angina pectoris (UAP)were divided into the UAP group (128patients with CAD confirmed by angiography)and the control group (124patients without CAD confirmed by angiography).Fresh peripheral blood was extracted 16-24h before coronary angiography,CD4^+T lymphocytes was tested using immunomagnetic beads,the expression ofmiRNA-155was tested using quantitative PCR and the expression of IFN-7was tested using enzyme-linked immunosorbent assay (ELISA).According to the results of angiography,Gensini score of coronary artery lesions was analyzed.Furthermore,we also analysis the association between the level of miRNA-155in peripheral blood CD4^+T lymphocytes,the level of serum IFN-γand Gensini score of coronary lesion.Results The levels ofmiRNA-155(0.49±0.08vs.0.23±0.09)and IFN-7(227.58±26.01vs.141.23±17.89)in the UAP group were significantly higher than that of the control group,the difference was statistically significant.The level of miRNA-155and IFN-γwere positively correlated with Gensini score of CAD (r =0.534,r =0.713,respectively,all P <0.05).The level of miRNA-155was positively correlated with the level of IFN-γ,(r =0.686,P <0.05).Conclusions The level of miRNA-155in peripheral blood CD4^+T lymphocytes and the level of IFN-γ are closely correlated with the severity of CAD.

Detection of microbial antigenic components of circulating immune complexes in HIV patients:Involvement in CD4^+ T lymphocyte count depletion

Objective:To investigate the prevalence of microbial antigenic components of circulating immune complexes amongst grades of CD4 T lymphocyte counts in HIV sero positive and seronegative participants.Methods:Polyethelene glycol(PEG-600) and buffering methods of precipitation and dissociation of immune complexes was used to generate immune solution from sera of 100 HIV sero-positive and 100 HIV sero-negative participants.These were categorized into 3 grades based on CD4 count:】 500 cell/mm,200-499 cell/mm3 and 【200 cell/mm3.The immune solutions were assayed using membrane based immunoassay and antibody titration, along side its unprocessed serum for detection of various microbial antigens and or antibodies. CD4 T cell counts were estimated using Patec Cyflow SL-3 Germany.Results:Antigenic component of immune complexes of various infectious agents was detected in 99 and 70 HIV seropositive and HIV sero-negative participants,respectively.In group A,there were 10 HIV positive participants,including 4(40.0%) had circulating immune complexes(CICs) due to Salmonella species only:1(10.0%) due to Salmonella-Plasmodium falciparum(P.falciparum),SalmonellaP. falciparum-HCV and P.falciparum antigens,respectively.In group B,45(45.4%) HIV seropositive participants with CICs had CD4 T lymphocyte count between 200-499 cells/mm^3.Out of these,20(44.4%) had CICs due to Salmonella species only:9(20%) due to Salmonella-P. falciparum.In group C,there were 44(44.4%) HIV sero-positive participants,including 3(6.8%) due to Salmonella species only:24(54.4%) due to Salmonella-P.falciparum:2(4.5%) due to P. falciparum only.Conclusions:In HIV sero-positive participants,presence of heterogeneity of Salmonella species-P.falciparum antigens was highly incriminated in CD4 count depletion but not homogeneity of malaria parasites antigens.Malaria parasites antigens only were incriminated in CD4^+ count depletion amongst HIV sero-negative participants.Before taking any decision on the management of HIV-1-positive individuals,their malaria and Salmonella paratyphi status should be assessed,but not malaria status alone.

Changes of CD4^+CD25^+ Regulatory T Cells in Patients with Acute Coronary Syndrome and the Effects of Atorvastatin

The function of CD4＋CD25＋ regulatory T lymphocytes （Treg） in patients with acute coronary syndrome （ACS） and the effects of atorvastatin were investigated. Forty-eight patients with ACS were randomly divided into two groups： group C receiving conventional therapy （n=24）, and group C＋A receiving conventional therapy＋atorvastatin （10 mg/day, n=24）. T lymphocytes from ACS patients （before and 2 weeks after the treatment） or 18 healthy subjects were separated and the flow cytometry was used to measure the percentage of Treg. The inhibitory ability of Treg on effector T cells was determined by mixed lymphocyte reaction （MLR）. ELISA was used to measure the serum levels of cytokines （IL-10, TGF-β1 and IFN-γ） before and after treatment. The results showed that as compared with normal control group, Treg percentage was decreased significantly （P〈0.01）, the inhibitory ability of Treg on the T lymphocytes proliferation was reduced （P〈0.01）, IFN-γ levels were increased and IL-10 and TGF-β1 levels were lowered in ACS patients. After treatment with atorvastatin, Treg percentage and the inhibitory ability of Treg on T lymphocytes proliferation were significantly increased in ACS patients. Serum IFN-γ was decreased significantly, while IL-10 and TGF-β1 were elevated significantly as compared with the non-atorvastatin group. The number of Treg was positively correlated with serum TGF-β1, but negatively with serum IFN-γ and CRP. It was concluded that ACS was associated with decreased number and defected function of Treg, which may play an important role in initiating immune-inflammatory response in ACS. The inhibitory effects of atorvastatin on inflammation in ACS may be due to its beneficial effects on Treg and restoration of immune homeostasis.

Increase of CD4^+CD25^+ T cells in Smad3^(-/-) mice

AIM： To investigate the changes of lymphocyte subpopulations, especially CD4^＋CD25^ T regulatory cells in Smad3^-/- mice. METHODS： Hematological changes and changes of lymphocyte subpopulations were detected in Smad3＂/- mice using cell counter and flow cytometry, respectively, and compared to their littermate controls. RESULTS： The numbers of neutrophils and lymphocytes in peripheral blood were significantly increased in Smad3^-/- mice compared to littermate controls. CD19^＋ expressing cells in blood and spleen, and CD8^＋ T cells in thymus were all markedly decreased in Smad3^-/- mice. More important, Smad3^-/- mice had an increased population of CD4^＋CD25^＋ T cells in peripheral lymphoid tissues, including thymus, spleen, and lymph nodes. CONCLUSION： These observations suggest that the changes of lymphocyte subpopulations might play a role in susceptibility to inflammation of Smad3^-/- mice.

Effects of pituitary adenylate cyclase activating polypeptide on CD4^+/CD8^+T cell levels after traumatic brain injury in a rat model

BACKGROUND： The effect of pituitary adenylate cyclase activating polypeptide （PACAP） during traumatic brain injury （TBI） and whether it can modulate secondary injury has not been reported previously. The present study evaluated the potential protective effects of ventricular infusion of PACAP in a rat model of TBI.METHODS： Male Sprague Dawley rats were randomly divided into 3 treatment groups （n=6, each）： sham-operated, vehicle （normal saline）＋TBI, and PACAP＋TBI. Normal saline or PACAP （1 μg/5 μL） was administered intracerebroventricularly 20 minutes before TBI. Right parietal cortical contusion was produced via a weight-dropping method. Brains were extracted 24 hours after trauma. Histological changes in brains were examined by HE staining. The numbers of CD4＋ and CD8＋ T cells in blood and the spleen were detected via flow cytometry.RESULTS： In injured brain regions, edema, hemorrhage, inflammatory cell infiltration, and swollen and degenerated neurons were observed under a light microscope, and the neurons were disorderly arrayed in the hippocampi. Compared to the sham group, average CD4＋ CD8＋ lymphocyte counts in blood and the spleen were significantly decreased in rats that received TBl＋vehicle, and CD4- CD8＋ were increased. In rats administered PACAP prior to TBI, damage was attenuated as evidenced by significantly increased CD4＋, and decreased CD8＋, T lymphocytes in blood and the spleen.CONCLUSION： Pretreatment with PACAP may protect against TBI by influencing periphery T cellular immune function.

Correlation between CD4^＋CD25^＋Treg Cells and CCR4 in Nasopharyngeal Carcinoma

OBJECTIVE CD4^＋CD25^＋ T regulatory （Treg） cells are a population of T cells which suppress an overactive immune system. CCR4 is a chemokine receptor involved in the recruitment of lymphocytes. Nasopharyngeal carcinoma （NPC） is resistant to immunosurveillance, owing to the increased number of tumor-infiltrating Treg cells which are recruited to the tumor bv CCR4.

CD4^+CD25^(high) Regulatory Cells in Peripheral Blood of NSCLC Patients

The proportion and changes of CD4^＋CD25^high regulatory T cells （Trs） in peripheral blood of non-small cell lung cancer （NSCLC） patients were analyzed and their clinical significance explored. The peripheral blood was collected from 61 patients with NSCLC and 15 healthy controls. By using monoclonal antibodies, the blood samples were evaluated with the flow cytometry for lymphocyte subsets （CD3^＋, CD4^＋ and CD8^＋） and CD4^＋CD25^high Tr cells. The results showed that the proportion of CD4^＋CD25^high Tr cells in NSCLC group was significantly higher than in control group [（4.36 ±2.07） % vs （2.04±1.03） %, P〈0.01]. The proportion of CD4^＋CD25^ high Tr cells in late stage was higher than that in early stage [stages Ⅰ ＋Ⅱ （2.264±0.6） %; stage Ⅲ（3.284± 1.38） %; stage IV （6.06 4±4.08） %] （P〈0.05）. Kaplan-Meier survival analysis revealed that the prognosis of the patients who had higher proportion of CD4^＋CD25^high Tr cells in peripheral blood was worse （P=0.0026）. In conclusion, the relative increase in CD4^＋CD25^high Tr cells in peripheral blood may be related to im- munosuppression and tumor progression in patients with NSCLC. This finding suggests that CD4^＋CD25^high Tr cells in peripheral blood of NSCLC may be positive for prognosis analysis. The use of depletion of the CD4^＋CD25^high Tr cell therapy to treat NSCLC patients may be an effective strategy.

Peripheral and Tissue Lymphocytes as Predictors of Pathological Response in Locally Advanced Rectal Cancer Post Neoadjuvant Chemoradiotherapy

Background: Tailoring therapy is the target in the management of any cancer;if factors which can predict response to treatment are identified, we can individualize treatment. Locally advanced rectal cancer studies reported that tumor microenvironment and host immune response played roles in sensitivity to chemoradiotherapy (CRT) by proving that both peripheral circulating lymphocytes and tumor infiltrating lymphocytes (TILs) strongly correlated with the response rate to CRT and it impacted disease outcome. Aim of the work: We aimed to assess the predictive value of peripheral blood lymphocytes and tumor infiltrating lymphocytes by correlation with regression rate post chemo-radiotherapy in patients with rectal cancer, and to find correlation between peripheral and tissue lymphocytes. Method: Before neoadjuvant, CRT venous blood samples were obtained from 40 patients with rectal cancer, and prior to surgery. Blood cell counts in the samples were analyzed using an automated hematology analyzer and flowcytometry used to analyze lymphocyte subsets. Colonscopic biopsies were obtained before the CRT;the numbers and distributions of T cells (CD4 & CD8) were evaluated by immunostaining. Results: Pre CRT peripheral total lymphocytes, T lymphocytes, T helper, T cytotoxic lymphocytes significantly correlated with tumor regression rate (p = 0.04, 0.05, 0.06, 0.04 respectively). The density of tissue CD4(+) and CD8(+) T cells was highly correlated with tumor regression post CRT (p = 0.01 for both). The high expressions of tissue CD4 & CD 8 were significantly correlated with high number of pretreatment peripheral total lymphocytes, T lymphocytes, T helper, and T cytotoxic lymphocytes with significant p value for all. Conclusion: We concluded that peripheral lymphocytic count and its subsets have significant correlation to tissue CD4, CD8 and both can predict pathological response to CRT;enhancement of lymphocytes mediated immune response can help for outcome improvement.

CD70 defines a subset of proinflammatory and CNSpathogenic TH1/TH17 lymphocytes and is overexpressed in multiple sclerosis

activation.Therefore,engagement of the costimulatory CD27/CD70 pathway is solely dependent on upregulation of CD70.However,the T cell-intrinsic effect and function of human CD70 remain underexplored.Herein,we describe that CD70 expression distinguishes proinflammatory CD4^(+)T lymphocytes that display an increased potential to migrate into the central nervous system(CNS).Upregulation of CD70 on CD4^(+)T lymphocytes is induced by TGF-β1 and TGF-β3,which promote a pathogenic phenotype.In addition,CD70 is associated with a TH1 and TH17 profile of lymphocytes and is important for T-bet and IFN-γexpression by both T helper subtypes.Moreover,adoptive transfer of CD70−/−CD4^(+)T lymphocytes induced less severe experimental autoimmune encephalomyelitis(EAE)disease than transfer of WT CD4^(+)T lymphocytes.CD70+CD4^(+)T lymphocytes are found in the CNS during acute autoimmune inflammation in humans and mice,highlighting CD70 as both an immune marker and an important costimulator of highly pathogenic proinflammatory TH1/TH17 lymphocytes infiltrating the CNS.

复发性流产患者外周血T淋巴细胞亚群及CD_4^+辅助性T淋巴细胞亚型的变化

目的 探讨不明原因的复发性流产 (URSA)与T淋巴细胞免疫功能的关系。方法 采用酶联免疫斑点 (ELISPOT)法对 30例URSA患者和 2 4例正常妇女 (对照 )的外周血T淋巴细胞亚群及CD+4 辅助性T淋巴细胞 (Th细胞 )亚型进行检测。结果 与对照相比 ,URSA患者外周血中CD+4 辅助性T淋巴细胞百分率增多 (分别为 45 %、6 0 % ,P <0 0 5 ) ,Th1细胞的百分率升高 (14%与 2 6 % ,P<0 0 1) ,Th2细胞的百分率降低 (2 0 %与 7% ,P <0 0 5 ) ,Th1/Th2细胞比值增大 (0 73与 3 80 ,P<0 0 1)。结论 URSA的发生可能与CD+4 辅助性T淋巴细胞的增多及Th1细胞介导的细胞免疫功能的增强有关。

Stat5^(−/−)CD4^(+)T cells elicit anti-melanoma effect by CD4^(+)T cell remolding and Notch1 activation

Signal transducers and activators of transcription 5(Stat5)is known to engage in regulating the differentiation and effector function of various subsets of T helper cells.However,how Stat5 regulates the antitumor activity of tumor-infiltrating CD4^(+)T cells is largely unknown.Here,we showed that mice with specific deletion of Stat5 in CD4^(+)T cells were less susceptible to developing subcutaneous and lung metastatic B16 melanoma with CD4^(+)tumor-infiltrating lymphocytes(TILs)remolding.Especially,we confirmed that Stat5-deficient CD4^(+)naïve T cells were prone to polarization of two subtypes of Th17 cells:IFN-γ^(+)and IFN-γ^(-)Th17 cells,which exhibited increased anti-melanoma activity through enhanced activation of Notch1 pathway compared with wild type Th17 cells.Our study therefore revealed a novel function of Stat5 in regulating tumor-specific Th17 cell differentiation and function in melanoma.This study also provided a new possibility for targeting Stat5 and other Th17-associated pathways to develop novel immunotherapies for melanoma patients.

乙型肝炎的T淋巴细胞亚群的演变规律

目的:了解不同类型乙型肝炎患者T淋巴细胞亚群的演变规律及意义。方法:我院2002年7月～2004年6月收治的16例急性肝炎、40例慢性肝炎及46例重型肝炎病例的抗凝血,通过流式细胞仪检测其T淋巴细胞亚群,对不同类型肝炎进行统计学分析。结果:慢性肝炎组与急性肝炎组比较CD3+,CD8+细胞计数降低且差异有显著性(P<0.05)。重型肝炎组与非重型肝炎组(急性肝炎组与慢性肝炎组)比较CD3+,CD4+,CD8+细胞计数明显降低(P<0.05),幼稚的CD4+,CD8+细胞计数明显升高(P<0.05)。结论:不同类型乙型肝炎的T淋巴细胞亚群有明显差异,乙型肝炎随着病情严重及病程延长,CD3+,CD4+,CD8+淋巴细胞逐渐减少,重型肝炎出现大量幼稚的CD4+CD8+淋巴细胞,T淋巴细胞亚群的变化可以反映病情严重程度及免疫状态,对免疫调节治疗有指导意义。

基于T淋巴细胞亚群探析中医药治疗老年肺炎研究现状

T淋巴细胞亚群是一群在相同时期、处于不同发育阶段的异质性细胞的总称,具有抵抗病毒和调节免疫系统功能的作用。老年肺炎病情重,并发症多,病死率高,多与老年人免疫功能相对低下有关,与中医的正气不足有关,T淋巴细胞亚群与老年肺炎存在相关性,且与中医正气有共通之处,因此可基于T淋巴细胞亚群探析老年人正气不足的原因并指导临床,进一步对中医药治疗老年肺炎进行探究,以期提高临床诊疗水平,减轻患者负担。

肺癌患者外周血T淋巴细胞亚群检测的临床研究

通过流式细胞仪对确诊原发性支气管肺癌患者外周血T淋巴细胞亚群检测研究 ,并与健康人作对比。结果显示 ,肺癌患者CD3 + ( 68 88± 11 80 )和CD4+ ( 3 8 83± 10 3 0 )以及CD4+ /CD8+ ( 1 5 3± 0 74)比例均比正常人 ( 74 2 1±5 5 1,43 92± 7 0 2 ,1 89± 0 5 4)下降 ,CD8+ ( 2 9 2 6± 10 5 8)高于正常人 ( 2 4 5 7± 6 3 5 ) ,两组之间差异有统计学意义 ,P均 <0 0 5。肿瘤临床分期之间检测结果差异无统计学意义 ,而病理类型中未分化癌与鳞癌之间CD4+ 和CD4+ /CD8+下降具有统计学意义。初步研究结果提示 ,原发性支气管肺癌患者存在细胞免疫功能低下 ,并与细胞分化类型有关。

CTL Response Suppression in Chronic Phase of Infection:A mathematical study

Human immunodeficiency virus(HIV)has had an insightful impact about the state of healthiness of human immune system.Due to great improvement in drug therapy,HIV infections have been reduced by 17%over the past eight years.It has been proved that most effective treatment HAART(Highly Active Anti Retroviral Therapy)mainly controls the diseases progression but it does not eradicate the diseases completely.Reverse Transcriptase Inhibitor drugs specially associated with virus specific Cytotoxic T-Lymphocyte(CTL)that declines with disease progression. CTL responses against AIDS pathogenesis could be potential in the dynamics of virus replication, recognition and clearance of infected cells.In this research article a mathematical model has been proposed on the basis of CTL response suppression in the chronic phase of infection due to presence of virus.We also consider the growth of the virus population from the infected CD4^+T cells budding process and from the other infected cells like macrophages and thymocytes.Our analytical and numerical studies are consistent with existing observations from allied areas.

INVESTIGATION OF REGULATORY T CELLS IN PATIENTS WITH NON-SMALL CELL LUNG CANCER

Objective To evaluate the prevalence of CD4 ^＋ CD25^high regulatory T cells （ Treg cells） in the peripheral blood mononuclear cells （PBMC） and tumor-infiltrating lymphocytes （TIL） of patients with non-small cell lung cancer （NSCLC） and to investigate immunosuppression to the progression of cancer. Methods Peripheral blood and tumor tissues were collected from 20 patients with NSCLC at the time of surgery. None of the patients received surgery, radiotherapy, chemotherapy, or other medical interventions before this study. Cancer stages of the patients were Ⅰ-Ⅲ A. Venous blood samples were obtained from 20 health donors. PBMC were isolated from blood samples by differential centrifugation over Ficoll-Hypaque. TILs were isolated from tumors by differential centrifugation over Ficoll-Hypaque and Percoll. Percentage of CD4^＋ CD25^highTr/CD4＋T in PBMC and TIL was assessed by the flow cytometry. Results The percentage of CD4^ ＋ CD25high Tr/ CD4 ^＋T in PBMC [ （4. 87 ± 1.22 ） % ] of NSCLC patients was significantly higher than that in healthy donors [ （ 2.36 ± 0. 72 ） % ] （ P 〈 0.01 ）. The percentage of CD4^＋ CD25^highTr/ CD4^＋ T in PBMC [ （5.40 ± 1.20） % ] of NSCLC patients in stage Ⅱ-Ⅲ A was significantly higher than that in stage Ⅰ [ （3. 87 ± 0. 22 ） % ] （ P 〈 0. 01 ）. The percentage of CD4 ＋ CD25hiShTr/ CD4 ＋ T in TIL[ （ 8. 66 ±0. 76） % ] of NSCLC patients in stage Ⅱ-Ⅲ A was significantly higher than that in stage Ⅰ [ （ 7. 04 ± 0. 80） % ] （ P 〈 0. 01 ）. Conclusion The prevalence of CD4 ^＋ CD25^highTreg cells in PBMC and TIL of NSCLC patients was significantly higher than that in healthy donors. These Treg cells may be preventing appropriate antitumor immune responses. The population of CD4^ ＋ CD25^highTreg cells in PBMC and TILs of NSCLC patients with Ⅱ-Ⅲ A stage was significantly higher than that of NSCLC patients with Ⅰ stage. These Treg cells may facilitate development of tumors.

二至丸不同时相对肝部分切除术后肝细胞再生障碍大鼠外周血T淋巴细胞亚群的影响

目的:探讨二至丸不同时相对肝部分切除术后肝细胞再生障碍大鼠外周血中T淋巴细胞亚群的影响。方法:将140只Wistar大鼠随机为5组,即正常组、模型组、二至丸预防组、二至丸治疗组、雷帕霉素组。除正常组建立肝部分切除术(PHx)模型外,其余各组给予2-乙酰氨基芴(2AAF)灌胃7d,同时二至丸预防组预防性给药7d,第8天行PHx建立损伤后肝细胞再生抑制复合模型(PHx+2AAF),术后6、12、24、72h处死,二至丸预防组和二至丸治疗组分别于术后24h继续进行预防性给药及治疗性给药3d。采用流式细胞术检测大鼠外周血中CD4+、CD8+、CD4+CD25+T细胞表达水平。结果:与模型组比较,二至丸预防组大鼠术后各时间点,二至丸治疗组大鼠术后72h其外周血CD4+T细胞水平明显降低,CD8+T细胞水平明显升高,且CD4/CD8的比值明显下降,而CD4+CD25+T细胞水平则明显升高(P<0.05,P<0.01)。结论:二至丸不同时相预防性给药和治疗性给药均可有效改善PHx术后肝细胞再生障碍大鼠外周血T淋巴细胞亚群平衡及升高CD4+CD25+T细胞水平以恢复其免疫耐受,维持免疫状态的稳定。

共刺激分子在混合性结缔组织病患者外周血淋巴细胞异常表达及意义

目的 探讨治疗前后混合性结缔组织病外周T细胞亚群改变及共刺激分子的表达.方法 流式细胞仪检测初诊混合结缔组织患者及治疗后患者外周血T细胞表面标志CD3/CD4/CD8及CD28/CD152在外周血T淋巴细胞上的表达水平.结果 与初治组相比,共刺激分子CD28在CD4+T和CD8+T淋巴细胞上的表达均有明显降低(P＜0.05),CD152在CD4+T淋巴细胞上的表达有明显降低(P＜0.05),而CD152在CD8+T淋巴细胞上的表达增加(P＜0.05).结论 混合性结缔组织病患者T淋巴细胞亚群及共刺激分子异常表达可能与免疫功能紊乱及疾病发生发展有关.

Changes in peripheral blood inflammatory factors(TNF-α and IL-6) and intestinal flora in AIDS and HIV-positive individuals

Objective:In this study,we investigated the changes in peripheral blood inflammatory factors and intestinal flora in acquired immune deficiency syndrome(AIDS)and human immunodeficiency virus(HIV)-positive individuals(AIDS/HIV patients),and explored the relationships among intestinal flora,peripheral blood inflammatory factors,and CD4^+T lymphocytes.Methods:Thirty blood and stool samples from an AIDS group and a control group were collected.The levels of tumor necrosis factor-α(TNF-α)and interleukin-6(IL-6)were determined by enzyme-linked immunosorbent assay(ELISA),and the number of CD4^+T lymphocytes by a FACSCount automated instrument.Quantitative real-time polymerase chain reaction(qRT-PCR)was used to determine the messenger RNA(mRNA)levels of Bifidobacterium,Lactobacillus,Escherichia coli,Enterococcus faecalis,and Enterococcus faecium.Correlations among intestinal flora,inflammatory factor levels,and CD4^+T lymphocyte values were evaluated using the Spearman correlation coefficient.Results:The levels of TNF-αand IL-6 in the AIDS group were higher than those in the control group,while the number of CD4^+T lymphocytes was lower.The amounts of Bifidobacterium and Lactobacillus in the AIDS group were significantly lower than those in control group,while the amounts of E.coli,E.faecalis,and E.faecium were much higher.The amounts of Bifidobacterium and Lactobacillus were negatively correlated with the content of TNF-αand IL-6 and the CD4^+T lymphocyte count,while those correlations were reversed for E.coli,E.faecalis,and E.faecium.Conclusions:The intestinal microbiota of AIDS/HIV patients were disordered,and there was a correlation between the amount of intestinal flora and the number of CD4^+T lymphocytes and the levels of TNF-αand IL-6.

Clinical laboratory features of Meigs’syndrome:a retrospective study from 2009 to 2018

Meigs’syndrome(MS),a rare complication of benign ovarian tumors,is easily misdiagnosed as ovarian cancer(OC).We retrospectively reviewed the clinical laboratory data of patients diagnosed with MS from 2009 to 2018.Serum carbohydrate antigen 125 and HE4 levels were higher in the MS group than in the ovarian thecoma-fibroma(OTF)and healthy control groups(all P<0.05).However,the serum HE4 levels were lower in the MS group than in the OC group(P<0.001).A routine blood test showed that the absolute counts and percentages of lymphocytes were significantly lower in the MS group than in the OTF and control groups(all P<0.05).However,these variables were higher in the MS group than in the OC group(both P<0.05).The neutrophil-to-lymphocyte ratio(NLR)was also significantly lower,whereas the lymphocyte-to-monocyte ratio was higher in the MS group than in the OC group(both P<0.05).The NLR,platelet-to-lymphocyte ratio,and systemic immune index were significantly higher in the MS group than in the OTF and control groups(all P<0.05).The hypoxia-inducible factor-1 mRNA levels were also significantly higher,whereas the glucose transporter 1,lactate dehydrogenase,and enolase 1 mRNA levels were lower in peripheral CD4+T cells obtained preoperatively in a patient with MS than those in patients with OTF,patients with OC,and controls(all P<0.05).The expression of these four glucose metabolism genes was preferentially restored to normal levels after the tumor resection of MS(P<0.001).These clinical laboratory features can be useful in improving the preoperative diagnostic accuracy of MS.