Fifteen dihydroartemisinin-isatin hybrids ( and linked with three-carbon were designed, synthesized. The antiproliferative activity against lung cancer cell lines including drug-sensitive A549, doxorubicin-resistant A549 (A549/DOX) and cisplatin-resistant A549 (A549/DDP) lung cancer cell lines was tested. The cytotocivity towards normal lung epithelial BEAS-2B cell line was also investigated.
View Article and Find Full Text PDFChemotherapy resistance after curative surgery is a major contributor to the mortality of colorectal cancer (CRC). Detailed mechanism studies of specific molecular alterations are critical to improving the available therapies for long-term disease administration. We explored the functional role of LINC01347 in chemotherapy resistance of CRC.
View Article and Find Full Text PDFFlexoelectric effect and dielectric effect in uniform lying helix (ULH) cholesteric liquid crystals under cell boundary conditions of periodic anchoring at the bottom and vertical anchoring at the top are studied. They can be quantitatively analyzed by theoretically simulation of the polar angle and the tilt angle. It is found that a good ULH texture can be formed inside under periodic boundary conditions and the bulk director is not affected by the surface anchoring strength.
View Article and Find Full Text PDFIn this study, we aimed to detect promising prognostic factors of breast cancer and interpreted the relevant mechanisms using an integrated bioinformatics analysis. RNA sequencing profile of breast cancer was downloaded from The Cancer Genome Atlas (TCGA) and the Genotype-Tissue Expression (GTEx) databases, which were combined as a group (TCGA_GTEx). GSE70947 dataset was from Gene Expression Omnibus.
View Article and Find Full Text PDFThis study aimed to investigate the role of ANXA13 in lung adenocarcinoma (LUAD) growth, migration, and the underlying mechanisms. Firstly, in the TCGA dataset for LUAD, ANXA13 is found to be highly expressed in patients with LUAD and high expression of ANXA13 predicted poor outcomes in LUAD patients. Consistently, the data of qRT-PCR showed that the expression of ANXA13 was higher in LUAD cell lines (Calu-3, LTEP-a-2, and NCI-H1395) than that in normal lung cell line BEAS2B.
View Article and Find Full Text PDFTo assess the prevalence of four common health conditions related to cardiovascular disease risk among Asians in Los Angeles County. A survey of Asians in Los Angeles County was conducted utilizing purposive sampling to recruit from the region's Service Planning Areas 3 and 4; these underserved areas contain high density of Asian populations. Descriptive and multivariable regression analyses were performed to explore and describe potential associations between self-reported diagnoses of prediabetes, diabetes, hypertension, and high cholesterol and body mass index (measured with non-Asian versus Asian cut points) by race/ethnicity (Chinese/Filipino/Korean/Taiwanese/Thai/Vietnamese).
View Article and Find Full Text PDFBackground: Despite its higher cost and potential environmental effect compared with those of tap water, bottled water consumption has been increasing over the past decade, especially in low-income communities in which children are at a higher risk of developing caries.
Methods: The authors used a systematic sequential sampling design for the Water Consumption Survey to collect information about water consumption beliefs and practices from clients attending 4 public health centers in Los Angeles County (LAC). The authors used health belief model constructs to examine why some low-income residents in LAC do not drink tap water.
The objective of this study was to assess monetary and non-monetary factors that can influence the decision to participate in a future health survey. A questionnaire was administered to eligible, low-income participants (n = 1502) of the 2012 Los Angeles County Health and Nutrition Examination Survey (LAHANES-II). Multivariable regression analyses were performed to describe factors potentially associated with future intent to participate in similar survey designs.
View Article and Find Full Text PDFThe predatory Bacteriovorax are Gram-negative bacteria ubiquitous in saltwater systems that prey upon other Gram-negative bacteria in a similar manner to the related genus Bdellovibrio. Among the phylogenetically defined clusters of Bacteriovorax, cluster V has only been isolated from estuaries suggesting that it may be a distinct estuarine phylotype. To assess this hypothesis, the spatial and temporal distribution of cluster V and other Bacteriovorax phylogenetic assemblages along the salinity gradient of Chesapeake Bay were determined.
View Article and Find Full Text PDFAlthough predator-prey interactions among higher organisms have been studied extensively, only few examples are known for microbes other than protists and viruses. Among the bacteria, the most studied obligate predators are the Bdellovibrio and like organisms (BALOs) that prey on many other bacteria. In the macroscopical world, both predator and prey influence the population size of the other's community, and may have a role in selection.
View Article and Find Full Text PDFThough seldom reported, Solobacterium moorei, which was first described in 2000, has been identified in specimens from patients with root canals, periradicular lesions, periodontal disease, dentoalveolar abscesses, bacteremia, septic thrombophlebitis, and halitosis. In the present study, we describe 9 cases of mixed wound infection, from a pool of 400 surgical wound infections that we have studied, in which S. moorei was isolated or found in a clone library.
View Article and Find Full Text PDFBdellovibrio-and-like-organisms (BALOs) are small, Gram-negative predatory bacteria with the ability to prey on a wide variety of Gram-negative bacteria, and which may have a significant ecological role. Detection and quantification of BALOs by culture-dependent methods are complicated, as their reproduction is dependent upon the use of appropriate prey. For this reason, a sensitive and specific molecular detection method was developed.
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