Prostate cancer (PCa) is the most common cancer among men in the United States and the leading cause of cancer-related death. The Solute Carrier Family 14 Member 1 (SLC14A1) is a member of urea transporters which are important for the regulation of urine concentration. However, the physiological significance of SLC14A1 in PCa still remains unclear.
View Article and Find Full Text PDFBackground: Metabolic alteration drives renal cell carcinoma (RCC) development, while the impact of melatonin (MLT), a neurohormone secreted during darkness, on RCC cell growth and underlying mechanisms remains unclear.
Methods: We detected concentration of metabolites through metabolomic analyses using UPLC-MS/MS, and the oxygen consumption rate was determined using the Seahorse Extracellular Flux analyzer.
Results: We observed that MLT effectively inhibited RCC cell growth both in vitro and in vivo.
Objective: The aim of this study was to identify and characterize all European Medicines Agency (EMA) approvals derived from adaptive designs in clinical trials and to provide an update of the current status of these drugs.
Materials And Methods: Relevant files were identified in the EMA database for annual reports for the period between 2008 and 2020 using a list of suitable keywords related to adaptive designs. We recorded trial characteristics from drug approvals and used Fisher exact test to compare the characteristics.
Background: Photodynamic therapy (PDT) has become an ideal and promising therapeutic method for fighting cancer, but its common application in clinical practice is prevented by the limitations of expensive devices in light sources and phototoxicity in photosensitizers. The aim of this study was to explore the antitumor efficiency of the novel 450-nm blue laser (BL) combined with sinoporphyrin sodium (DVDMS)-mediated PDT against human gastric cancer (GC) in vitro and in vivo, focusing on autophagy pathway.
Methods: Cell viability was detected by Cell Counting Kit-8 and colony formation assays in HGC27, MGC803, AGS, and GES-1 cells.
RBPs in the development and progression of BC remains unclear. Here, we elucidated the role of RBPs in predicting the survival of patients with BC. Clinical information and RNA sequencing data of the training and validation cohorts were downloaded from the Cancer Genome Atlas and Gene Expression Omnibus databases, respectively.
View Article and Find Full Text PDFTraditional Tibetan medicines elaborately document the health benefits of . However, there have been limited reports on its chemical make-up, presumably because of the complicated separation and purification process. In this work, a methanolic extract of was utilized for targeted separation of 4 key 1,1-diphenyl-2-picrylhydrazyl inhibitors employing the medium-pressure liquid chromatography, reversed-phase liquid chromatography in combination with on-line reversed-phase liquid chromatography-1,1-diphenyl-2-picrylhydrazyl detection.
View Article and Find Full Text PDFComp Biochem Physiol Part D Genomics Proteomics
March 2022
The plateau pika, a typical hypoxia-tolerant mammal lives 3000-5000 m above sea level on the Qinghai-Tibet Plateau, has acquired many physiological and morphological characteristics and strategies in its adaptation to sustained, high-altitude hypoxia. Blunted hypoxic pulmonary vasoconstriction is one such strategy, but the genes involved in this strategy have not been elucidated. Here, we investigated the genes involved and their expression profiles in the lung transcriptome of plateau pikas subjected to different hypoxic conditions (using low-pressure oxygen cabins).
View Article and Find Full Text PDFJ Chromatogr B Analyt Technol Biomed Life Sci
April 2021
In this study, polyamide and MCI GEL® CHP20P were employed as stationary phases in medium pressure chromatography (MPC) for the efficient preparative separation of bergenin from Saxifraga atrata. Ethanol-water, methanol-water, and acetonitrile-water mobile phases all showed good enrichment capacity for bergenin fraction when polyamide was used as a stationary phase. After 5 cycles of polyamide MPC using acetonitrile/water, 1.
View Article and Find Full Text PDFThe existing approaches for healing mandibular condylar osteochondral defects, which are prevalent in temporomandibular joint disorders (TMD), are sparse and not reparative. To address this, regenerative medicine in situ has transpired as a potential therapeutic solution as it can effectively regenerate composite tissues. Herein, injectable self-crosslinking thiolated hyaluronic acid (HA-SH)/type I collagen (Col I) blend hydrogel and BCP ceramics combined with rabbit bone mesenchymal stem cells (rBMSCs)/chondrocytes were used to fabricate a new bi-layer scaffold to simulate specific structure of rabbit condylar osteochondral defects.
View Article and Find Full Text PDFTraditional Tibetan medicine (TTM) is a valuable source of novel therapeutic lead molecules inspired by natural products (NPs). The health benefits of Saxifraga atrata are well documented in TTM, but reports on its chemical composition are limited, most likely due to the complicated purification process. Herein, target separation and identification of 4 main radical scavenging compounds from the methanolic extract of S.
View Article and Find Full Text PDFTumor angiogenesis is a major characteristic of renal cell carcinoma (RCC). Herein, we report a novel mechanism of how lncRNA and androgen receptor (AR) drive the Hedgehog pathway to promote tumor angiogenesis in RCC. We found that the high expression of lncRNA HOTAIR in RCC is associated with poor prognosis.
View Article and Find Full Text PDFBackground: Recent studies indicate that androgen deprivation therapy (ADT), the main therapeutic approach for metastatic prostate cancer (PCa), accelerates PCa invasion and metastasis. Annexin A1 (ANXA1) is a Ca-regulated phospholipid-binding protein that can promote PCa migration and invasion.
Aim Of The Study: The aim of this study is to determine whether ANXA1 is regulated by ADT and participates in PCa progression after ADT, and to explore the possible mechanism of ANXA1-mediated PCa migration.
Biochem Biophys Res Commun
August 2020
Prostate cancer (PCa) is the second leading cause of cancer-associated mortality in men. Speckle-type pox virus and zinc finger protein (SPOP), the most frequently mutated gene in PCa, functions as a tumor suppressor via degradation of cancer-promoting substrates. However, its upstream regulation in PCa metastasis remains poorly determined.
View Article and Find Full Text PDFThis study presents an efficient strategy based on liquid-liquid extraction and pH-zone-refining counter-current chromatography for selective enrichment, separation, and purification of alkaloids and organic acids from natural products. First, an acid or base modified two-phase solvent system with maximum or minimum partition coefficient was developed for the liquid-liquid extraction of the crude extract. As a result, alkaloids or organic acids could be selectively enriched in the upper or lower phase.
View Article and Find Full Text PDFGenet Test Mol Biomarkers
July 2020
To determine the association between collagen type IV alpha 6 () expression levels and prostate cancer invasion and metastasis. We analyzed three Gene Expression Omnibus (GEO) datasets through the GEO2R online tool to obtain the set of differentially expressed genes (DEGs) between malignant and nonmalignant prostate tissues, and further analyzed the gene's expression in databases. Western blot assays, real-time quantitative polymerase chain reaction analysis, and immunofluorescence staining were used to detect gene expression.
View Article and Find Full Text PDFKLF5 is frequently deleted and downregulated in prostate cancer, and recently it has been reported that KLF5 loss is enriched in the aggressive branches of prostate cancer evolution. However, why KLF5 loss is associated with prostate cancer aggressiveness is still not clear. Herein, we analyzed KLF5 expression in TCGA and GEO database, as well as prostate cancer tissue microarray, and found that KLF5 expression significantly decreased in prostate cancer accompanying with tumor progression; moreover, KLF5 downregulation was associated with shorter survival of patients.
View Article and Find Full Text PDFReversed-phase liquid chromatography coupled with middle chromatogram isolated gel column was employed for the efficient preparative separation of the arylbutanoid-type phenol [(-)-rhododendrin] from Saxifraga tangutica. Universal C18 (XTerra C18) and XCharge C18 columns were compared for (-)-rhododendrin fraction analysis and preparation. Although tailing and overloading occurred on the XTerra C18 column, the positively charged reversed-phase C18 column (XCharge C18) overcame these drawbacks, allowing for favorable separation resolution, even when loading at a on a preparative scale (3.
View Article and Find Full Text PDFSilibinin is a flavonoid extract isolated from milk thistle and has been proved to be a promising chemotherapeutic drug for cancer. However, most of those studies were performed on the human cancer cells, where the effects of silibinin could only be observed on an animal model with a deficient immune system. RenCa cells were isolated from a murine spontaneous renal cell carcinoma, which resembles many features of human renal cell carcinoma, and have been used to establish animal models with a sound immune response.
View Article and Find Full Text PDFJ Chromatogr B Analyt Technol Biomed Life Sci
April 2020
Wild edible macro fungi Floccularia luteovirens proved to be a valuable source for the identification of novel lead molecules with therapeutic potential. Nevertheless, the chemical constituents of Floccularia luteovirens are rarely reported due to absence of efficient purification methods. In this study, a hydrophilic interaction chromatography directed by on-line HPLC-DPPH assay has been developed and successfully applied for the isolation of free radical inhibitor from the methanolic extract of Floccularia luteovirens.
View Article and Find Full Text PDFEpithelial mesenchymal transformation plays a crucial role in the metastasis of bladder cancer, which makes bladder cancer difficult to cure. Bladder cancer is the most common malignancy of the urinary system, and distant metastasis is the leading cause of death. Therefore, finding a bioactive drug that can specifically inhibit epithelial mesenchymal transformation may be a new direction for bladder cancer treatment in the future.
View Article and Find Full Text PDFAm J Orthod Dentofacial Orthop
February 2020
Introduction: A protocol was introduced to achieve accurate bracket placement in vivo, which consisted of operative procedures for precise control, and a computer-aided design and computer-aided manufacturing-guided bonding device. To evaluate the accuracy of this protocol, a 3-dimensional assessment was performed.
Methods: Ten consecutive patients were enrolled.
Ying Yong Sheng Tai Xue Bao
December 2019
Ecosystem service value (ESV) in 1997, 2005, 2013 and 2015 of Quanzhou Bay estuary wetland was evaluated dynamicly by market value, alternative value and opportunity cost methods, combined with classification of service indicators and deduplicate computing. The main driving forces for the changes of ESV and the pathway and intensity of their actions were identified using stepwise regression and path analysis methods. The results showed that the main ecosystem services of Quanzhou Bay estuary wetland were flood regulation, climate regulation, and food supply, which were directly driven by water supply, mariculture carrying capacity, and gross value of the regional production.
View Article and Find Full Text PDFMedicine (Baltimore)
November 2019
Background: Numerous treatment modalities have been attempted for masticatory muscle pain in patients with temporomandibular disorders (TMD). To compare the treatment efficacy of more than 2 competing treatments, a network meta-analysis (NMA) was conducted.
Methods: This study was reported with reference to the extended Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) statement for reporting of systematic reviews incorporating network meta-analyses.