There were vaginal microecological imbalances in all developing stages of RVVC. As for vaginal flora, diverse sorts changed to normal Lactobacillus dominantly with the development of RVVC. In the first occurrence of RVVC, after antifungal treatment, Lactobacillus is suggested to be timely supplemented to restore vaginal microecological balance.
ABSTRACT. We reported a rare case of recurrent vulvovaginal candidiasis (RVVC) in this study. Through dynamic evaluation of the vaginal micro-ecosystem, we found that only depuratory degree, spores, blastospores, and hyphae were specific indicators and the "barometer" of RVVC development. Therefore, an understanding of vaginal microecological changes can help clinicians to improve the treatment of patients with RVVC.
N-acetyl-L-cysteine-modified CdTe QDs (Cadmium Telluride Quantum Dots) were obtained by hydrothermal method, and DA (amino deoxyglucose), PEG (polyethylene glycol), and 9-p-D (9 polyamine acid) were obtained by ligand substitution, which were used for remodifying CdTe
QDs. Successively, a novel CdTe QDs nanoma-terial, CdTe-NALC, was obtained. This composite nanometer material was characterized by ultraviolet, fluorescence spectrum, nuclear magnetic resonance hydrogen-spectrum, and other methods to study further its biocompatibility and toxic effect on the
primary cultured mouse hippocampus neurons. PC12 cells were vitro-cultured and dissolved in the CdTe-NALC solution with different concentrations. After 24 h, the expression levels of proteins related to the cAMP (cyclic adenosine monophosphate)-CREB (cAMP response element-binding proteins)-BDNF
(brain-derived neurotrophic factor) signaling pathway in the cells were detected by ELISA (enzyme-linked immunosorbent assay) kit. In the experiment, the DA/9-p-D/PEG-modified CdTe QDs composite nanometer material was successfully manufactured by ligand replacement. The nanoparticles
had good dis-persibility with an average particle size of about 9.2 nm. DA/9-p-D/PEG modification improved the biocompatibil-ity of the QDs. CdTe composite nanomaterials could significantly reduce the cell activity of mouse hippocampal neurons and promote their apoptosis, with an evident
dose-apoptosis relationship. With the increase of CDTE-NALC solution concentration, cAMP, pCREB (phosphorylated CREB), and BDNF protein content decreased (P < 0.05).
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