601 results match your criteria: "Medical School of Xi'an Jiaotong University.[Affiliation]"

MEIS2C and MEIS2D promote tumor progression via Wnt/β-catenin and hippo/YAP signaling in hepatocellular carcinoma.

J Exp Clin Cancer Res

October 2019

The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, 28, Xianning West Road, Xi'an, 710049, Shaanxi, People's Republic of China.

Background: MEIS2 has been identified as one of the key transcription factors in the gene regulatory network in the development and pathogenesis of human cancers. Our study aims to identify the regulatory mechanisms of MEIS2 in hepatocellular carcinoma (HCC), which could be targeted to develop new therapeutic strategies.

Methods: The variation of MEIS2 levels were assayed in a cohort of HCC patients.

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Objective: To investigate the transcriptional regulation of transcription factor MZF-1 on acute monocytic leukemia-related gene MLAA-34.

Methods: The effect of MZF-1 on the transcriptional activity of MLAA-34 gene promoter was analyzed by luciferase reporter gene detection system and site-directed mutation technique. The EMSA and ChIP assay were used to verify whether MZF-1 directly and specifically binds to the core region of MLAA-34 promoter.

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A growing body of evidence implies a pivotal role of sirtuin-1 (Sirt1) in chondrocyte function and homeostasis; however, its underlying mechanisms mediating chondrogenesis, which is an essential process for physiological skeletal growth, are still poorly understood. In the current study, we generated TamCartSirt1-/- [Sirt1 conditional knockout (cKO)] mice to explore the role of Sirt1 during postnatal endochondral ossification. Compared with control mice, cKO mice exhibited growth retardation associated with inhibited chondrocyte proliferation and hypertrophy, as well as activated apoptosis.

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Purpose: We previously reported that modest running exercise protects photoreceptors in mice undergoing light-induced retinal degeneration and in the rd10 mouse model of autosomal recessive retinitis pigmentosa (arRP). We hypothesized that exercise would protect against other types of retinal degeneration, specifically, in autosomal dominant inherited disease. We tested whether voluntary running wheel exercise is protective in a retinal degeneration mouse model of class B1 autosomal dominant RP (adRP).

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Radiosensitivity-related postirradiation hypothyroidism in Graves' disease patients.

Hormones (Athens)

September 2019

Department of Nuclear Medicine, First Affiliated Hospital, Medical School of Xi'an Jiaotong University, 277 West Yanta Road, Xi'an, 710061, Shaanxi, China.

Purpose: The cumulative incidence of hypothyroidism, in I-treated patients with hyperthyroidism caused by Graves' disease, has been gradually increasing each year. Meanwhile, the role of the genes that control radiation sensitivity (GCRS) involved in I therapy is yet to be defined. The main purpose of the present study is to find GCRS that could indicate hypothyroidism in Graves' disease patients treated with I.

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The use of thrombolysis with tissue-plasminogen activator (t-PA) in patients with acute ischemic stroke (AIS) is limited by increased levels of matrix metalloproteinase-9 (MMP-9) and by the increased risk of hemorrhagic transformation (HT). In this study, we investigated the effects of simvastatin pretreatment on t-PA-induced MMP-9/tissue inhibitor of metalloproteinase-1 (TIMP-1) imbalance and HT aggravation in a rat AIS model. The rat AIS model was established by autologous blood emboli.

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Speckle-type POZ protein (SPOP) plays an important role in maintaining genome stability. Disability or mutation of the SPOP gene has been reported to contribute to prostate cancer incidence and prognosis. However, the functions of SPOP in lung cancer remain poorly understood, especially in lung adenocarcinoma (LUAD).

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Objective: To investigate the involvement of microRNAs (miRNAs) in the pathogenesis of obstructive sleep apnea-hypopnea syndrome (OSAHS).

Methods: In this study, we investigated miRNA profiles in the upper airway (UA) skeletal muscles of four patients with OSAHS and four matched controls using the miRCURY miRNA array. In another cohort of 12 OSAHS cases and 7 controls, the mRNA expression levels of interleukin (IL)-6 and Lin-28 homolog A (Lin28A), targets of the downregulated let-7 family members, were measured by real-time quantitative-PCR.

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Objective: To clone the promoter sequence of acute monocytic leukemia new antigen gene.MLAA-34 and identify its promoter core region.

Methods: The full-length fragment of MLAA-34 gene promoter region was amplified by PCR, then was ligated into pGL3-Basic vector, and the recombinant plasmid was cloned.

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Objective: To investigate the effectiveness of posterior short-segmental fixation with bone cement augmentation in treatment of stage Ⅲ Kümmell's disease with spinal canal stenosis.

Methods: Between June 2012 and January 2017, 36 patients with stage Ⅲ Kümmell's disease and spinal canal stenosis were treated by posterior short-segmental fixation and bone cement augmentation. There were 12 males and 24 females, aged 55-83 years (mean, 73.

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Deletion of clock gene Bmal1 impaired the chondrocyte function due to disruption of the HIF1α-VEGF signaling pathway.

Cell Cycle

July 2019

a Key Laboratory of Environment and Genes Related to Diseases, Ministry of Education , Medical School of Xi'an Jiaotong University, Xi'an , Shaanxi Province , People's Republic of China.

Several studies have demonstrated the core circadian rhythm gene Bmal1 could regulate the clock control genes (CCGs) expression and maintain the integrity in cartilage tissue. In addition, its abnormal expression is connected with the occurrence and development of several diseases including osteoarthritis (OA). However, the relationship between Bmal1 and cartilage development still needs to be fully elucidated.

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Blood-brain barrier (BBB) damage and astrocyte activation are important cause of recurrent epilepsy. There is experimental evidence for increased angiotensin receptor type 1 (AT1) expression during BBB breakdown and brain injury, and that blocking the AT1 receptor (e.g.

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Variability of serum novel serum peptide biomarkers correlates with the disease states of multiple myeloma.

Clin Proteomics

April 2019

1Department of Hematology, Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, 157 Xiwu Road, Xincheng District, Xi'an, 710004 Shaanxi Province China.

Background: The bone marrow microenvironment provides an optimal substrate for multiple myeloma (MM) initiation and progression. The soluble component of MM niche is dynamic with the disease states of MM. We formerly employed proteomic profiling to construct a MM model.

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Purpose: Renal cell carcinoma (RCC) is known to be highly radioresistant but the mechanisms associated with radioresistance have remained elusive. We found DOC-2/DAB2 interactive protein (DAB2IP) frequently downregulated in RCC, is associated with radioresistance. In this study, we investigated the underlying mechanism regulating radioresistance by DAB2IP and developed appropriate treatment.

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Downregulation of APE1 potentiates breast cancer cells to olaparib by inhibiting PARP-1 expression.

Breast Cancer Res Treat

July 2019

Department of Oncology, The Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, Xi'an, 710004, Shanxi, China.

Purpose: Targeting DNA repair mechanisms to induce apoptosis may be a promising strategy for breast cancer treatment. Olaparib is proved to have anticancer effect by inhibiting DNA repairing protein poly (ADP-ribose) polymerase (PARP). However, the cytotoxicity of olaparib is very limited to homologous recombination-proficient cells.

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Dynamic Effects of Ioversol on the Permeability of the Blood-Brain Barrier and the Expression of ZO-1/Occludin in Rats.

J Mol Neurosci

June 2019

Department of Neurology, the Second Affiliated Hospital, Medical School of Xi'an Jiaotong University, No.157 XiWuLu Street, Xi'an, 710004, Shaanxi, China.

Blood-brain barrier (BBB) dysfunction is involved in the pathogenesis of contrast-induced encephalopathy (CIE), which is a rare adverse event following angiography. In this study, we observed the dynamic effect and potential mechanism of ioversol on the BBB in rats. Eighty-one healthy rats were randomly divided into a normal control group (n = 9), ioversol group (n = 36), and 0.

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Sperm-associated antigen 5 (SPAG5) has currently emerged as a novel oncogene in various cancers. High expression of SPAG5 has been frequently detected in breast cancer. However, the biological function and regulatory mechanism of SPAG5 in breast cancer remain unclear.

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Aortic dissection is one of the most clinical-challenging and life-threatening cardiovascular diseases associated with high morbidity and mortality. Aortic dissection requires fast diagnosis and timely therapy. Any delay or misdiagnosis can cause severe consequence to aortic dissection patients with even higher mortality.

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: Hypertension (HTN), dyslipidemia and hyperhomocysteinemia (HHcy) are risk factors for cardiovascular disease (CVD).: Hypertensive Chinese subjects (n = 228) were enrolled. MTHFR C667T, MTHFR A1298C, MTR A2756G, and MTRR A66G genotypes were determined.

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Accumulating evidence has suggested that microRNA-449b-5p (miR-449b-5p) plays an important role in the development and progression of multiple cancers. However, little is known about the role of miR-449b-5p in breast cancer. In this study, we aimed to investigate the expression level, biological function and underlying mechanism of miR-449b-5p in breast cancer.

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HTiP: High-Throughput Immunomodulator Phenotypic Screening Platform to Reveal IAP Antagonists as Anti-cancer Immune Enhancers.

Cell Chem Biol

March 2019

Department of Pharmacology and Emory Chemical Biology Discovery Center, Emory University School of Medicine, Atlanta, GA 30322, USA; Department of Hematology and Medical Oncology and Winship Cancer Institute, Emory University, Atlanta, GA 30322, USA. Electronic address:

Protein- and cell-based immunotherapeutic agents have revolutionized cancer treatment. However, small-molecule immunomodulators with favorable pharmacological properties for reaching intracellular targets remain to be developed. To explore the vast chemical space, a robust method that recapitulates the complex cancer-immune microenvironment in a high-throughput format is essential.

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Objectives: Citron kinase (CIT-K), as a key Rho effector, functions to maintain proper structure of the midbody during cell mitosis. This study assessed CIT-K expression and its role in breast cancer cells.

Methods: Paraffin-embedded breast cancer and para-tumor tissues from 43 invasive breast cancer patients and 33 normal mammary glands were collected for immunohistochemistry.

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IFNγ, a potent cytokine known to modulate tumor immunity and tumoricidal effects, is highly elevated in patients with prostate cancer after radiation. In this study, we demonstrate that IFNγ can induce epithelial-to-mesenchymal transition (EMT) in prostate cancer cells via the JAK-STAT signaling pathway, leading to the transcription of IFN-stimulated genes (ISG) such as IFN-induced tetratricopeptide repeat 5 (IFIT5). We unveil a new function of IFIT5 complex in degrading precursor miRNAs (pre-miRNA) that includes pre-miR-363 from the miR-106a-363 cluster as well as pre-miR-101 and pre-miR-128, who share a similar 5'-end structure with pre-miR-363.

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The management of ductal carcinoma in situ (DCIS) with endocrine therapy remains controversial. A meta-analysis was conducted to evaluate the role of endocrine therapy for DCIS with breast conserving surgery (BCS) and radiotherapy (RT). A total of 7 articles with randomized controlled trials were included.

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Apoptosis signal-regulating kinase 1 (ASK1) is an important mediator of the cell stress response pathways. Because of its central role in regulating cell death, the activity of ASK1 is tightly regulated by protein-protein interactions and post-translational modifications. Deregulation of ASK1 activity has been linked to human diseases, such as neurological disorders and cancer.

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