Objective To investigate the relationship of insulin resistance and secretion during late pregnancy in women with glucose intolerance.Methods Immunoenzymetric assay was used to measure the fasting serum insulin levels in 122 pregnant women which including of 36 pregnant women with gestational diabetes mellitus(GDM),34 pregnant women with gestational impaired glucose tolerance(GIGT),and 52 pregnant women with normal glucose tolerance(NGT).The fasting plasma glucose levels were measured by glucose oxidase method.The insulin sensitivity index(ISI) and islet secretive function index(IFI) were compared between the three groups.Results ISI had an increasing trend from NGT group,GIGT group to GDM group(P

Objective To study the inhibition effects on hepatoma cells growth by the anti-sense RNA targeting C-MYC binding site on regulation region of hTERT promoter.Methods The rAd virus which express anti-sense RNA complementary to the C-MYC binding site on regulation region of hTERT were constructed using the method of homologous recombination in bacteria cells.The apoptosis of HepG2.2.15 cells infected by rAd-asmycb was detected by the method of Annexin V-FITC/PI labeling,and the morphological changes were observed by electronic microscopy.TRAP-PCR-ELISA and RT-PCR were used to detecte the relative telomerase activity(RTA) and gene transcription at mRNA level of hTERT.Results Cell growth of HepG2.2.15 was retarded and about 40.7% tumor cells were lead to apoptosis.RTA of anti-sense RNA treated cells(1.175) was much lower than the control cells(4.200,P

Objective To explore the development trend of military-civilian metering of medical equipment.Methods The foundation and conditions were analyzed for military-civilian metering of medical equipment,and the feasibility and necessity were discussed to execute military-civilian medical equipment metering after military innovation.Results The military-civilian metering of medical equipment was expounded from the aspects of organization,mechanism,personnel and etc.Conclution Military-civilian medical equipment metering contributes to rational allocation of national resources and enhancement of military metering.

Objective To investigate the efficacy of perioperative management in elderly hemorrhoids patients undergoing procedure for prolapse and hemorrhoids(PPH).Methods A total of 128 elderly patients treated with PPH in the Second Affiliated Hospital of Jiaxing University from February 2018 to January 2019 were enrolled and randomly divided into the routine group(n=64)and the intervention group(n=64).The routine group underwent routine postoperative management,and the intervention group received intervention postoperative management as add-on to routine postoperative management.Clinical efficacy was compared between the two groups.Results The frequency of constipation and hematoehezia was less and the hospitalization days were shorter in the intervention group than in the routine group(0.8 ± 0.6 times/d vs.1.2 ± 0.4 times/d,1.3 ± 0.8 times/d vs.2.0± 1.0 times/d,4.9± 1.1 days vs.7.4± 1.3 days,t =4.438,4.372 and 11.744 respectively,all P =0.000).The scores of visual analog scale(VAS) and geriatric depression scale (GDS) had no significant difference between the intervention and routine groups (5.0 ± 1.6 scores vs.5.2 ± 1.3 scores for VAS;22.2± 2.9 scores vs.22.5 ± 2.6 scores for GDS,t =0.776 and 0.616,P =0.220 and 0.269)before intervention,and had significant difference between the intervention and routine groups[2.7 ± 0.7 scores vs.3.2 ± 1.1 scores for VAS;17.2 ± 1.8 scores vs.19.0 ± 2.2 scores for GDS(t =3.068 and 5.066,P=0.001 and 0.000)]after intervention.The scores of quality of life,including physiological function,emotional function,social function,mental health and health status,were higher in the intervention group than in the routine group (all P ＜ 0.05).Conclusions Intervention perioperative management is effective in elderly hemorrhoids patients undergoing procedure for prolapse and hemorrhoids,It can not only effectively improve clinical symptoms and shorten treatment time,but also alleviate pain and improve prognosis and quality of life.

Objective:To explore the effects of microRNA-126 (miR-126) on the proliferation of human myeloid leukemia mononuclear cells (THP-1)-derived macrophages in high glucose environment and the regulatory role of miR-126 in periodontitis with diabetes.Methods:THP-1 cells were cultured in vitro and 5 μg/L phorbol-12-myristate-13-acetate was applied to induce THP-1 cells differentiating into macrophages for 48 h in low glucose culture medium (5.5 mmol/L). THP-1-derived macrophages were then cultured with low glucose, medium glucose (15 mmol/L) or high glucose (25 mmol/L) media respectively. The proliferation of THP-1-derived macrophages was detected by cell counting kit-8 (CCK-8) method and the expressions of miR-126 and proliferation-associated factors were detected by quantitative real time PCR (qRT-PCR). The miR-126 mimic or inhibitor was transfected into THP-1-derived macrophages for 72 h. The proliferation of cells was detected by CCK-8 method and the expressions of miR-126 or proliferation-associated factors were detected by qRT-PCR. Results:Increasing glucose concentration decreased the proliferation of THP-1-derived macrophages (day 7, A values in low, medium and high glucose groups were 0.369±0.014, 0.214±0.009 and 0.200±0.010, respectively, P<0.01) as well as the survival rate ( P<0.05), promoted the expression of miR-126, B-cell lymphoma-2 (Bcl-2)-associated X protein (BAX) and caspase-3 ( P<0.05), and suppressed Bcl-2, phosphoinositol-3 kinase regulatory subunit 2 (PIK3R2) expression ( P<0.05). After the miR-126 mimic was transfected in cells in low glucose medium for 72 h, compared with negative control (1.005±0.118), the expression of miR-126 significantly increased (2 980.227±170.431, P<0.05), and the proliferation of THP-1 derived macrophages decreased (negative control: 1.816±0.013, mimic group: 1.310±0.048, P<0.01), the level of BAX and caspase-3 significantly increased ( P<0.01, P<0.05), PIK3R2 and Bcl-2 significantly decreased ( P<0.05, P<0.01). After the miR-126 inhibitor was transfected in cells cultured in high glucose medium for 72 h, compared with negative control (0.723±0.133), the proliferation of inhibitor group increased (0.984±0.049, P<0.05), the level of BAX and caspase-3 significantly decreased ( P<0.01, P<0.05), PIK3R2 and Bcl-2 significantly increased ( P<0.01, P<0.05). Conclusions:High glucose condition can inhibit the proliferation of THP-1-derived macrophages and increase the expression of miR-126. MiR-126 can inhibit the proliferation of THP-1-derived macrophages in high glucose environment through up-regulating the expression of BAX and caspase-3 and down-regulating the expression of PIK3R2 and Bcl-2.

Objective:To preliminarily analyze the relationship between peripheral blood CD19 +CD27 +B cells, CD4 -CD8 -double-negative T cells, related cytokines and recurrence in patients with neuromyelitis optica spectrum disorders (NMOSD). Methods:A retrospective analysis was performed on the clinical data of 72 patients with NMOSD admitted to Henan Provincial People′s Hospital between January 2019 and January 2021. According to presence or absence of recurrence within 1 year after treatment, they were divided into non-recurrence group ( n=30) and recurrence group ( n=42). The data such as gender, age and score of Extended Disability Status Scale (EDSS) at admission were collected. The levels of serum triglyceride (TG), total cholesterol (CHO), high-density lipoprotein cholesterol (HDL-C), low-density lipoprotein cholesterol (LDL-C), apolipoprotein A (ApoA) 1 and apolipoprotein B (ApoB) were detected by full-automatic biochemical analyzer. The level of total protein in cerebrospinal fluid was detected by full-automatic programmed protein analyzer. The levels of immunoglobulin (Ig) G and IgM in cerebrospinal fluid were detected by immunoturbidimetry. The counts of peripheral blood CD19 +CD27 +B cells and CD4 -CD8 -double-negative T cells were detected by flow cytometry. The levels of serum interleukin (IL)-6, IL-10 and IL-2 were detected by enzyme-linked immunosorbent assay. Results:EDSS score, neutrophils, proportions of cases with positive aquaporin 4 (AQP4) antibody and autoimmune antibody in the recurrence group were significantly higher than those in the non-recurrence group (all P<0.05). There was no statistically significant difference in serum TG, HDL-C, LDH-C, ApoB, ApoA1, total protein in cerebrospinal fluid, IgG or IgM between the non-recurrence group and the recurrence group (all P>0.05). The proportions of CD19 +B cells, CD19 +CD27 +B cells and CD4 -CD8 -double-negative T cells in the recurrence group were (1.21±0.12)%, (1.61±0.17)% and (1.39±0.25)%, significantly higher than those in the non-recurrence group [(0.85±0.07)%, (1.25±0.12)%, (0.89±0.22)%, t=15.51, 3.89, 12.06, all P<0.05]. The counts of CD19 +B cells, CD19 +CD27 +B cells and CD4 -CD8 -double-negative T cells in the recurrence group were (289.50±17.64) ×10 6/L, (4.67±0.03) ×10 6/L and (64.78±6.53) ×10 6/L, significantly higher than those in the non-recurrence group [(254.56±15.34) ×10 6/L, (3.18±0.03) ×10 6/L, (47.82±4.83) ×10 6/L, t=14.27, 4.26, 12.06, all P<0.05]. The level of serum IL-10 in the recurrence group was lower than that in the non-recurrence group [(18.56±1.97) ng/ml vs (24.72±2.52) ng/ml, t=11.64, P<0.05], while levels of IL-6 and IL-2 were significantly higher than those in the non-recurrence group [(15.12±1.54) pg/ml vs (11.47±1.23) pg/ml, (28.34±2.94) pg/ml vs (22.57±2.36) pg/ml, t=10.75, 8.89, both P<0.05]. Conclusion:The levels of peripheral blood CD19 +CD27 +B cells, CD4 -CD8 -double-negative T cells and related cytokines are abnormal in NMOSD patients, which may be related to the recurrence of NMOSD.

Objective:To investigate the effect of Stigma Maydis Palysaccharide(SMPS)on ATP synthesis in kidney mitochondria of D-galactose-induced aging mice, and to clarify its possible mechanism.Methods:The aging mouse model was established by subcutaneous injection of D-galactose solution in the back of the neck.The 48 SPF male mice were randomly divided into normal control group(control group), D-galactose model group(D-Gal group), SMPS low-dose group and SMPS high-dose group(n=12 for each). The control group was subcutaneously injected with 150 mg/kg normal saline on the back of the neck every day, while the other three groups were subcutaneously injected with 150 mg/kg of D-gal solution on the back of the neck every day.SMPS-L and-H dose groups were given 30 mg/kg and 60 mg/kg of SMPS solution by gavage at the same day of D-Gal injection.The control group and D-GAL group were given the same volume of normal saline daily by gavage for 42 days.Blood samples were collected from the eyeball under general anesthesia after 42 days of intervention for the detection of serum levels of superoxide dismutase(SOD), glutathione peroxidase(GSH-Px)and MDA.After harvesting the kidney tissue, various tests were used to detect ATP content, the mRNA expression levels and protein expression levels in kidney.Luciferase assay was used to detect ATP content in renal tissue.Real-time fluorescent quantitative PCR was used to detect the mRNA expression levels of succinate dehydrogenase(SDH)of complex Ⅱ, cytochrome C reductase(Cycs)of complex Ⅲ, complex Ⅳ(COXⅣ)and ATP5b in ATP synthase in mitochondrial oxidative respiratory chain.Western blot was used to detect the expression levels of mitochondrial fusion protein 2(MFN2), dynamin-related protein1(DRP1)and mitochondrial autophagy related protein P62 in renal tissues of each group.Results:Compared with control group, the activities of serum of SOD(116.53±10.01)U/mg and GSH-Px(127.58±8.74)μmol/L were significantly decreased in D-GAL group(both P< 0.01), and serum MDA content(15.42±0.91)μmol/L increased significantly in D-GAL group( P<0.01). Compared with D-GAL group, the activities of SOD(152.80±9.29)U/mg and GSH-Px(274.07±10.73)μmol/L were significantly increased in SMPS intervention group( P< 0.01), while the MDA content(8.10±0.66)μmol/L decreased significantly in SMPS intervention group( P< 0.01). Compared with control group, the content of ATP(178±4)10 -4 μmol in D-gal group was significantly decreased( P<0.01), the mRNA expression levels of SDH, Cycs and COXⅣ were not significantly changed in D-gal group, and the mRNA expression level of ATP5b(0.67±0.01)was down-regulated in D-gal group( P<0.01), the expression of MFN2 protein(0.29±0.02)was significantly decreased in D-gal group( P<0.01), and the expression of DRP1 and P62 protein(0.31±0.02 and 0.21±0.01)was significantly increased in D-gal group(both P<0.01). Compared with the D-gal group, the ATP content(193±1)10 -4 μmol in the kidney tissue of the mice was significantly increased in SMPS intervention group( P< 0.01), and the ATP5b mRNA expression and MFN2 protein expression(0.87±0.05 and 0.71±0.08)were significantly increased in SMPS intervention group(both P< 0.01), DRP1 and P62 protein expressions(0.20±0.01 and 0.10±0.01)were significantly down-regulated in in SMPS intervention group(both P< 0.01). Conclusions:SMPS can improve the mitochondrial dynamic homeostasis disorder in aging mice by increasing the activity of antioxidant enzymes, up-regulating the expression of ATP5b mRNA and MFN2 protein, down-regulating the expression of DRP1 and P62 protein, and promoting the generation of mitochondrial ATP in D-gal-induced aging mice kidney tissue.

PURPOSE: Papillary renal cell carcinoma (PRCC) gene, which located in 1q23.1, is recurrently amplified in non-small cell lung cancer (NSCLC). However, it is unknown whether PRCC is overexpressed in primary NSCLCs and whether PRCC overexpression contributes to lung tumorigenesis. In this study, we aimed to identify the profiles of PRCC expression in Korean NSCLC patients and to elucidate the role of PRCC overexpression on lung tumorigenesis. MATERIALS AND METHODS: We performed immunohistochemistry analysis with a tissue array containing 161 primary NSCLCs. Small interfering RNA targeting PRCC (siPRCC) was transfected into two lung cancer cell lines (NCI-H358 and A549), after which tumor growth, migration, and invasion were observed. Expressions of cell proliferation-, cell cycle-, and metastasis-related molecules were examined by Western blot analysis. We also explored the in vivo effect of PRCC silencing. RESULTS: PRCC overexpression was recurrently observed in NSCLCs (95/161, 59%). After siPRCC treatment, tumor cell proliferation, colony formation, and anchorage independent growth were significantly reduced (p < 0.001 for all three effects). Migration and invasiveness were also significantly repressed (p < 0.001 for both effects). Reflecting cell proliferation, cell cycle, and metastasis, the expressions of Ki67, cyclin D1, AKT-1, pAKT, NF-kB p65, vimentin and CXCL-12 were found to be downregulated. Through mouse xenograft analysis, we confirmed that PRCC silencing significantly repressed a xenograft tumor mass in vivo (p < 0.001). CONCLUSION: The present data provide evidence that PRCC overexpression is involved in the tumorigenesis and progression of lung cancer.
Animals ; Blotting, Western ; Carcinogenesis ; Carcinoma, Non-Small-Cell Lung ; Carcinoma, Renal Cell ; Cell Cycle ; Cell Line ; Cell Proliferation ; Cyclin D1 ; Heterografts ; Humans ; Immunohistochemistry ; Lung Neoplasms ; Lung ; Mice ; Neoplasm Metastasis ; NF-kappa B ; RNA, Small Interfering ; Vimentin

Objective:To investigate the effect and mechanism of non-selective histone deacetylase (HDAC) inhibitor sodium butyrate (NaB) on neuropathic pain and pain-induced memory impairment in mice.Methods:Forty clean grade male C57BL/6J mice were were divided into 4 groups by random number table method ( n=10 in each group): sham + saline, sham + NaB, chronic constriction injury (CCI)+ saline and CCI + NaB.The mouse CCI model was established by sciatic nerve ligation. Non-selective HDAC inhibitors NaB(300 mg/kg) was intraperitoneally injected into the mice in Sham+ NaB group and CCI+ NaB group once a day 15-28 days after modeling, while the mice in Sham+ saline group and CCI+ saline group were intraperitoneally injected with the same volume of saline. On the 14th and 28th day after operation, the athletic ability was measured by open field test (OFT), the pain behavior was measured by paw withdrawal threshold (PWT) and paw withdrawal latency (PWL), and the memory function was measured by Y-maze. After the behavioral experiment, hippocampus and spinal dorsal horn tissues were taken for the activity of HDAC measurement, and hippocampus tissues were taken for the expression levels of BDNF and PSD95 measurement. SPSS 25.0 software was used for statistical analysis. The data were compared by repeated measurement ANOVA and one-way ANOVA. Results:After treatment with NaB, the interaction effects of the accuracy of spontaneous alternation of PWT, PWL and Y maze in mice were significant( F=21.07, 6.98, 7.79, all P<0.05). Compared with the Sham + saline group, the PWT((0.83±0.30)g, (0.25±0.22)g, (0.24±0.11)g; both P<0.05), the PWL((14.97±4.02)s, (5.99±1.51)s, (6.87±0.90)s; both P<0.05) and the spontaneous alternation in Y maze(71.57±2.80)%, (56.96±0.60)%, (62.86±4.94)%; both P<0.05) in CCI+ Saline group and CCI+ NaB group were lower. After treatment with NaB, compared with CCI + saline group, PWT((0.22±0.13)g, (0.62±0.23)g; P<0.05), PWL((5.62±2.00)s, (8.82±2.13)s; P<0.05)and the accuracy of spontaneous alternation of Y maze were significantly higher ((56.54±7.50)%, (66.35±8.20)%; P<0.05), the HDAC activity in hippocampus((173.40±7.38)%, (122.70±8.40)%; P<0.05)and in spinal cord ((153.40±10.58)%, (111.40±11.40)%; P<0.05)were significantly lower, and the expression of BDNF((0.65±0.06), (0.87±0.43); P<0.05)and PSD95((0.70±0.40), (0.87±0.04); P<0.05)were significantly higher in CCI + NaB group. Conclusion:NaB can improve neuropathic pain and pain-induced memory impairment.The mechanism may be related to the inhibition of HDAC activity and the up-regulation of BDNF and PSD95 expression in hippocampus.

Breast cancer has now become the most common malignancy in women globally. Chemotherapy-induced peripheral neuropathy (CIPN) is one of the common adverse reactions in chemotherapy for breast cancer, and when severe, it can significantly impact the treatment outcomes and quality of life of patients. This article provides an overview of the incidence, influencing factors, assessment tools, and intervention strategies for CIPN in breast cancer patients, with the aim of offering a reference for healthcare professionals to enhance symptom management in breast cancer patients.