Obtaining Greatly Improved Dielectric Constant in BaTiO-Epoxy Composites with Low Ceramic Volume Fraction by Enhancing the Connectivity of Ceramic Phase.

Ceramic-polymer dielectric composites show promising potential as embedded capacitors, whereas it is a great challenge to obtain a high dielectric constant (ε) at a low ceramic volume fraction (). This work demonstrates a strategy for overcoming this challange. By employing a high sintering temperature () and introducing porogen, BaTiO ceramics with both great connectivity and high porosity are obtained, and the composites with improved ε at a low are prepared after curing the epoxy monomer, which is infiltrated into the porous ceramic bodies.

Management of pelvic organ prolapse of ruptured and extruded bladder from a rare complication of vaginal hysterectomy: a case presentation.

Background: The prolapse of a ruptured and extruded bladder after vaginal hysterectomy is rare in clinical practice. We report the case of a significant mass that prolapsed from the vagina after a vaginal hysterectomy in a multiparous postmenopausal woman.

Case Presentation: A 67-year old multiparous postmenopausal Chinese woman was found to have a significant mass extruding from the vagina after a vaginal hysterectomy.

Erastin Reverses ABCB1-Mediated Docetaxel Resistance in Ovarian Cancer.

Overexpression of drug efflux transport ABCB1 is correlated with multidrug resistance (MDR) among cancer cells. Upregulation of ABCB1 accounts for the recurrence of resistance to docetaxel therapy in ovarian cancer with poor survival. Erastin is a novel and specific small molecule that targets SLC7A11 to induce ferroptosis.

Survivin Promotes Piperlongumine Resistance in Ovarian Cancer.

Ovarian cancer is one of the most fatal female malignancies while targeting apoptosis is critical for improving ovarian cancer patients' lives. Survivin is regarded as the most robust anti-apoptosis protein, and its overexpression in ovarian cancer is related to poor survival and apoptosis resistance. Piperlongumine (PL) extracted from peppers is defined as an active alkaloid/amide and exhibits a broad spectrum of antitumor effects.

Celastrol Inhibits the Growth of Ovarian Cancer Cells and .

Celastrol is a natural triterpene isolated from the Chinese plant Thunder God Vine with potent antitumor activity. However, the effect of celastrol on the growth of ovarian cancer cells and is still unclear. In this study, we found that celastrol induced cell growth inhibition, cell cycle arrest in G2/M phase and apoptosis with the increased intracellular reactive oxygen species (ROS) accumulation in ovarian cancer cells.

YM155 enhances docetaxel efficacy in ovarian cancer.

YM155 (Sepantronium bromide) is a potent small molecule inhibitor of survivin by suppression of survivin expression and shows the promising anticancer activity in many types of cancers. Docetaxel (Taxotere) is a member of the taxane drugs used in the treatment of a number of cancers in clinic. Despite the therapeutic efficacy of docetaxel is encouraging, the emergent resistance is an urgent issue.

Crizotinib synergizes with cisplatin in preclinical models of ovarian cancer.

Crizotinib, a small molecule inhibitor of anaplastic lymphoma kinase (ALK), c-ros oncogene 1 (ROS1) and c-MET (also called MET or hepatocyte growth factor receptor), has been approved by the Food and Drug Administration for the treatment of patients with advanced non-small cell lung cancer whose tumors have rearrangements in the ALK or ROS1 gene. However, the anticancer effect of crizotinib on ovarian cancer is still unclear. In this study, our data show that crizotinib can actively induce cell growth inhibition, cell cycle arrest at G2/M phase and apoptosis with the decreasing phosphorylation of the downstream signaling effectors AKT and ERK in human ovarian cancer cells.

Volasertib suppresses tumor growth and potentiates the activity of cisplatin in cervical cancer.

Volasertib (BI 6727), a highly selective and potent inhibitor of PLK1, has shown broad antitumor activities in the preclinical and clinical studies for the treatment of several types of cancers. However, the anticancer effect of volasertib on cervical cancer cells is still unknown. In the present study, we show that volasertib can markedly induce cell growth inhibition, cell cycle arrest at G2/M phase and apoptosis with the decreased protein expressions of PLK1 substrates survivin and wee1 in human cervical cancer cells.

Piperlongumine induces apoptosis and synergizes with cisplatin or paclitaxel in human ovarian cancer cells.

Piperlongumine (PL), a natural alkaloid from Piper longum L., possesses the highly selective and effective anticancer property. However, the effect of PL on ovarian cancer cells is still unknown.

Triterpenoids as reversal agents for anticancer drug resistance treatment.

Overexpression of ATP-binding cassette (ABC) transporters in cancer cells results in multidrug resistance (MDR), which is one of the major obstacles in the treatment of cancer patients. None of the strategies to overcome MDR has been successfully applied in the clinic until now. Plenty of evidence shows that some triterpenoids function as reversal agents of MDR for anticancer drug resistance treatment.

Recombinant bactericidal/permeability-increasing protein inhibits endotoxin-induced high-mobility group box 1 protein gene expression in sepsis.

We investigated in vivo the effect of recombinant bactericidal/permeability-increasing protein (rBPI21) on high-mobility group box 1 protein (HMGB1) expression in sepsis and its potential mechanism. Using a sepsis model induced by cecal ligation and puncture (CLP), rats were randomly divided into four groups as follows: normal control group, sham-operated group, CLP group, and BPI treatment group. Animals were killed at designated time points, and blood and tissue samples from liver, lungs, kidneys, and small intestine were harvested to determine related variables.

Sentinel lymph node detection using methylene blue in patients with early stage cervical cancer.

Objective: To evaluate the feasibility of sentinel lymph node (SLN) detection in patients with cervical cancer using the low-cost methylene blue dye and to optimize the application procedure.

Patients And Methods: Patients with stage Ib(1)-IIa cervical cancer and subjected to abdominal radical abdominal hysterectomy and pelvic lymphadenectomy were enrolled. Methylene blue, 2-4 ml, was injected into the cervical peritumoral area in 77 cases (4 ml patent blue in the other four cases) 10-360 min before the incision, and surgically removed lymph nodes were examined for the blue lymph nodes that were considered as SLNs.

[Effect of survivin shRNA on chemosensitivity of human ovarian cancer cell line OVCAR3 to paclitaxel].

Background & Objective: Drug resistance is a major obstacle to the successful chemotherapy of ovarian cancer. Recent studies have shown overexpression of Survivin in ovarian cancer tissues and cell lines, which may play an important role in the drug resistance of ovarian cancer. This study was to explore the effects of Survivin short hairpin RNA (shRNA) on Survivin expression, apoptosis, and chemosensitivity of human ovarian cancer cell line OVCAR3.

[Influence of short hairpin RNA on survivin mRNA expression and chemosensitivity to paclitaxel in ovarian cancer cells].

Objective: To investigate the influence of short hairpin RNA (shRNA) expression plasmid against gene survivin (mU(6)/survivin) on survivin mRNA expression and chemosensitivity to paclitaxel in ovarian cancer cells OVCAR3.

Methods: OVCAR3 cells were transfected with plasmid pEGFPC(2) formulated with lipofectamine 2000 at different concentrations. The transfection efficiency was examined by flow cytometry.

[Recurrence risk factors of platinum-sensitive epithelial ovarian cancer].

Background & Objective: The prognosis of platinum-sensitive ovarian cancer patients was better than that of chemoresistant ones. However, platinum-sensitive ovarian cancer patients still have a high recurrence rate, which affects their prognosis. This study was designed to analyze clinical features and recurrence risk factors of platinum-sensitive epithelial ovarian cancer.

[Sentinel lymph node identification with methylene blue in cervical cancer].

Background & Objective: Study of sentinel lymph node(SLN) in cervical cancer has been initiated since recent years, and there are still a lot of unknown factors about SLN identification in cervical cancer. This study was to investigate influential factors of identifying SLN with methylene blue in cervical cancer.

Methods: For 41 patients with cervical cancer enrolled from Jun.

[Clinical analysis of 8 cases of vulvar Paget's disease].

Background & Objective: Vulvar Paget's disease is a rare disease. It has a relatively high misdiagnosis rate and there are still controversies regarding its treatment. The objective of this study was to investigate its clinical features and summarize the experience of the management of this disease in order to gain a better acknowledge of this rare disease and improve its cure rate.

[Expression of p21(WAF1) and its relationship with p53 and PCNA protein in epithelial ovarian cancer].

Background & Objective: Recent researches manifested that down-regulation of p21(WAF1) had relationship with carcinogenesis and development in various tumors, but its association with epithelial ovarian cancer (EOC) was not clear. This study was designed to investigate the role of p21(WAF1) in the tumorigenesis and development of EOC and its relationship with p53 and proliferating cell nuclear antigen (PCNA) protein.

Methods: Fifty-five EOC tissues, 32 benign ovarian tumor tissues, and 30 normal ovarian tissues were collected.

[Changes in Toll-like receptor 2 and 4 gene expression in vital organs in septic rats and their regulation mechanisms].

Objective: To investigate the changes in Toll-like receptor (TLR) 2 and 4 gene expression in vital organs in septic rats and their potential regulation mechanism.

Methods: One hundred Wistar rats were randomly divided into normal controls (n=10), sham-operated group (n=10), septic group (n=60), and recombinant bactericidal/permeability increasing protein (BPI)-treated group (n=20). Severe sepsis was replicated by cecal ligation and puncture (CLP).

[The potential role of high mobility group-1 protein in the pathogenesis of sepsis-induced multiple organ dysfunction syndrome in rats].

Objective: To investigate the potential role of high mobility group-1 protein (HMG-1) in the pathogenesis of sepsis-induced multiple organ dysfunction syndrome in rats.

Methods: Using a sepsis model by cecal ligation and puncture (CLP), 80 male Wistar rats were randomly divided into four groups: normal control (n = 10), sham operation (n = 10), CLP (subdivided into 2, 6, 12, 24, 48, 72 h post-CLP, n = 60), and sodium butyrate treatment (subdivided into 12, 24 h post-CLP, n = 20). At serial time points in each group, animals were sacrificed, and blood as well as tissue samples from the liver, lung, kidney and small intestine were harvested to measure organ function parameters and HMG-1 mRNA expression by the reverse transcription polymerase chain reaction (RT-PCR) taking GAPDH as an internal standard.