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X Yang, W Zhang, S-Q Cheng, R-L Yang
OBJECTIVE: To clarify the role of long non-coding RNA (lncRNA) GACAT3 in invasion and metastasis of non-small cell lung cancer (NSCLC) and its effect on radiotherapy. PATIENTS AND METHODS: The expression of GACAT3 and TIMP2 in cells and tissues of NSCLC were detected by quantitative Real-time PCR (qRT-PCR). The influence of GACAT3 on cell proliferation and the capacity of colony formation were estimated by MTT test and colony forming experiment respectively. Luciferase reporting assay was used to confirm the correlation between GACAT3 and TIMP2...
March 2018: European Review for Medical and Pharmacological Sciences
Chang-Ihll Kim, Tae-Yeem Lee, Sung-Taek Park, Hong-Bae Kim, Sung-Ho Park
Ectopic pregnancy is an extrauterine pregnancy, and 98% of which occur in the fallopian tube. The incidence of twin tubal pregnancy is rare but is increasing due to assisted reproductive technology. Spontaneous unilateral twin tubal pregnancy is extremely rare, and only a small number of case reports have been made. We herein report a rare case of spontaneous unilateral twin tubal pregnancy with both fetuses presenting with heart activities and a literature review. Right salpingectomy was performed in this case...
March 2018: Obstetrics & Gynecology Science
Yan Guo, Min Tao, Min Jiang
Increasing evidence has demonstrated that microRNAs (miRNAs) have a crucial role in the initiation and progression of tumors. The present study aimed to investigate the expression and the role of miRNA-454-3p in human cervical cancer. Human cervical cancer cells were transfected with miRNA-454-3p mimics or negative control miRNA. MTT, Transwell and wound healing assays were performed to investigate the effects of miRNA-454-3p overexpression on cell proliferation, invasion and migration, respectively. The results indicated that miRNA-454-3p was down-regulated in human cervical cancer cell lines, while its ectopic overexpression significantly inhibited their proliferation, migration and invasion...
March 2018: Experimental and Therapeutic Medicine
Ke Yao, Sung-Young Lee, Cong Peng, Do Young Lim, Hiroyuki Yamamoto, Joohyun Ryu, Tae-Gyu Lim, Hanyong Chen, Guoguo Jin, Zhenjiang Zhao, Yaping Han, Wei-Ya Ma, Ann M Bode, Zigang Dong
Inflammation is a complex biological host reaction to tissue damage, infection and trauma. Extensive study of the inflammatory response has led to the identification of several protein kinases that are essential for signaling and could be potential therapeutic targets. The RSK family of kinases has multiple cellular functions. In our study, we found that RSK2 is a mediator for inflammation signaling and interacts with TRAF6. In vitro kinase assay results indicated that RSK2 strongly phosphorylates TRAF6 at serines 46, 47 and 48...
March 22, 2018: Oncogene
Nassima Chouaki-Benmansour, Kilian Ruminski, Anne-Marie Sartre, Marie-Claire Phelipot, Audrey Salles, Elise Bergot, Ambroise Wu, Gaëtan Chicanne, Mathieu Fallet, Sophie Brustlein, Cyrille Billaudeau, Anthony Formisano, Sébastien Mailfert, Bernard Payrastre, Didier Marguet, Sophie Brasselet, Yannick Hamon, Hai-Tao He
Phosphoinositides (PIs) play important roles in numerous membrane-based cellular activities. However, their involvement in the mechanism of T cell receptor (TCR) signal transduction across the plasma membrane (PM) is poorly defined. Here, we investigate their role, and in particular that of phosphatidylinositol 4,5-bisphosphate [PI(4,5)P2] in TCR PM dynamics and activity in a mouse T-cell hybridoma upon ectopic expression of a PM-localized inositol polyphosphate-5-phosphatase (Inp54p). We observed that dephosphorylation of PI(4,5)P2 by the phosphatase increased the TCR/CD3 complex PM lateral mobility prior stimulation...
March 21, 2018: Scientific Reports
Binod Aryal, Abhishek K Singh, Xinbo Zhang, Luis Varela, Noemi Rotllan, Leigh Goedeke, Balkrishna Chaube, Joao-Paulo Camporez, Daniel F Vatner, Tamas L Horvath, Gerald I Shulman, Yajaira Suárez, Carlos Fernández-Hernando
Alterations in ectopic lipid deposition and circulating lipids are major risk factors for developing cardiometabolic diseases. Angiopoietin-like protein 4 (ANGPTL4), a protein that inhibits lipoprotein lipase (LPL), controls fatty acid (FA) uptake in adipose and oxidative tissues and regulates circulating triacylglycerol-rich (TAG-rich) lipoproteins. Unfortunately, global depletion of ANGPTL4 results in severe metabolic abnormalities, inflammation, and fibrosis when mice are fed a high-fat diet (HFD), limiting our understanding of the contribution of ANGPTL4 in metabolic disorders...
March 22, 2018: JCI Insight
Gang Li, Tie Chong, Jie Yang, Hongliang Li, Haiwen Chen
KIFC1 (kinesin motor) plays a critical role in clustering of extra centrosomes in various cancer cells and thus to be considered as a promising therapeutic target. However, whether KIFC1 is involved in the procession of renal cell carcinoma (RCC) still remains unclear. In this study, we found that KIFC1 was upregulated in RCC tissues and responsible for RCC tumorigenesis (P < 0.001). The high expression of KIFC1 correlates with aggressive clinicopathologic parameters. Kaplan-Meier analysis suggested that KIFC1 was associated with poor survival prognosis in RCC...
March 21, 2018: Oncology Research
Mi-Young Lee, Sung Hoon Kim, Young Sang Oh, Seung-Ho Heo, Kang-Hyun Kim, Hee Dong Chae, Chung-Hoon Kim, Byung Moon Kang
STUDY QUESTION: Does interleukin-32 (IL-32) play a role in the pathogenesis of endometriosis? SUMMARY ANSWER: IL-32 might be involved in the pathogenesis of endometriosis through increased viability, proliferation and invasion of endometrial cells. WHAT IS KNOWN ALREADY: Endometriosis is characterized as a chronic inflammatory disease and several proinflammatory cytokines are suggested to be involved in its pathogenesis and pathophysiology...
March 19, 2018: Human Reproduction
Huai-Ju Chen, Tsu-Yu Fu, Shao-Li Yang, Hsu-Liang Hsieh
Plant development is affected by the integration of light and phytohormones, including jasmonates (JAs). To address the molecular mechanisms of possible interactions between blue light and JA signaling in Arabidopsis thaliana, we used molecular and transgenic approaches to understand the regulatory relationships between FAR-RED INSENSITIVE 219 (FIN219)/JASMONATE RESISTANT1 (JAR1) and the blue-light photoreceptor cryptochrome1 (CRY1). FIN219 overexpression in the wild type resulted in a short-hypocotyl phenotype under blue light...
March 21, 2018: PLoS Genetics
Zhuoyue Chen, Zhen Zhang, Juantao Feng, Yayuan Guo, Yuan Yu, Jihong Cui, Hongmin Li, Lijun Shang
One of the key challenges in bone healing and regeneration is the implant with osteoinductive activity. Therapeutic application of recombinant human bone morphogenetic protein-2 (rhBMP-2) is a promising approach to enhance osteogenesis. However, high dose and uncontrolled burst in the release kinetics of BMP-2 may introduce oedema, bone overgrowth, cyst-like bone formation and significant inflammation. In this study, low dose BMP-2 of 1µg was used to design PLA-PD-BMP for functionalization of polylactic acid (PLA) implants via mussel-inspired polydopamine (PD) assist...
March 21, 2018: ACS Applied Materials & Interfaces
Mathieu Struyve, Geert Robaeys
Ectopic varices are dilated portosystemic venous collaterals located outside of the gastro-esophageal region. Whereas they are common endoscopic findings in patients with portal hypertension, ectopic variceal bleeding is rather rare and accounts for only 1 to 5 % of all variceal bleedings. The rectum and the duodenum are the most common sites for ectopic varices, but they can be present along the whole intestinal tract and neighborhood. At present, there is no consensus well established on diagnostic workup for ectopic variceal bleeding and their therapeutic strategies...
July 2017: Acta Gastro-enterologica Belgica
Janaki Rami Reddy Manne
We present a case of atrial repolarization waves from an ectopic atrial rhythm mimicking inferior ST segment elevation myocardial infarction in a 78-year-old male patient who presented with left sided chest wall and shoulder pain. His ischemic workup was negative, and the ST elevations completely resolved upon the resumption of sinus rhythm before discharge.
2018: Case Reports in Medicine
Yinuo Liu, Elke Albrecht, Lisa Schering, Christa Kuehn, Runjun Yang, Zhihui Zhao, Steffen Maak
Transcriptome analyses of bovine muscle tissue differing in intramuscular fat (IMF) content identified agouti signaling protein (ASIP) as a promising candidate gene for fat deposition. The protein is secreted from adipocytes and may serve as a signaling molecule in cross-talk between adipocytes and muscle fibers or other cells. Known receptors for ASIP are the melanocortin receptors (e.g., MC4R) and attractin (ATRN). The present study was conducted to determine relationships between the expression of ASIP and its receptors in different bovine tissues with fat deposition...
2018: Frontiers in Physiology
Jian Zang, Lian Hui, Ning Yang, Bo Yang, Xuejun Jiang
Background: Keratinocytes are the predominant cell type in a cholesteatoma, and microRNA (miR)-203a has been shown to be essential for the growth and differentiation of keratinocytes. The regulatory mechanisms of miR-203a and Bmi1-the predicted target of miR-203a that is associated with cholesteatoma-have not been clarified. Methods: Real-time PCR and western blot were carried out for the detection of miRNAs, mRNAs, and proteins, including miR-203a, Bmi1, and phosphorylated (p-)Akt. Immunohistochemical staining was applied to observe the expression and distribution of Bmi1 and of p-Akt in cholesteatoma and in control retroauricular skin...
2018: International Journal of Medical Sciences
Alla M Zaydman, Elena L Strokova, Elena V Kiseleva, Lubov A Suldina, Anton A Strunov, Alexander I Shevchenko, Pavel P Laktionov, Vladimir M Subbotin
Idiopathic scoliosis is one of the most common disabling pathologies of children and adolescents. Etiology and pathogenesis of idiopathic scoliosis remain unknown. To study the etiology of this disease we identified the cells' phenotypes in the vertebral body growth plates in patients with idiopathic scoliosis. Materials and methods: The cells were isolated from vertebral body growth plates of the convex and concave sides of the deformity harvested intraoperatively in 50 patients with scoliosis. Cells were cultured and identified by methods of common morphology, neuromorphology, electron microscopy, immunohistochemistry and PCR analysis...
2018: International Journal of Medical Sciences
Biao Zeng, Min Zhou, Huan Wu, Zhengai Xiong
Objectives: Ovarian cancer is one of the most lethal malignant tumors in women. Secreted phosphoprotein 1 (SPP1) plays an important role in some cancer types. Therefore, the role of SPP1 in ovarian cancer was determined and the potential mechanism was elucidated. Materials and methods: The expression of SPP1 in ovarian cancer was determined by immunohistochemistry in ovarian cancer tissues and normal ovarian tissues. Cellular proliferation, migration, and invasion were determined by cell counting kit-8 assay, wound healing assay, and Matrigel invasion assay in SKOV3 and A2780 cells...
2018: OncoTargets and Therapy
Mohamed Rahmani, Jewel Nkwocha, Elisa Hawkins, Xinyan Pei, Rebecca E Parker, Maciej Kmieciak, Joel D Leverson, Deepak Sampath, Andrea Ferreira-Gonzalez, Steven Grant
Inhibitors targeting BCL-2 apoptotic proteins have significant potential for the treatment of acute myeloid leukemia (AML); however, complete responses are observed in only 20% of patients suggesting targeting BCL-2 alone is insufficient to yield durable responses. Here we assessed the efficacy of co-administration of the PI3K/mTOR inhibitor GDC-0980 or the p110β-sparing PI3K inhibitor taselisib with the selective BCL-2 antagonist venetoclax in AML cells. Tetracycline-inducible downregulation of BCL-2 significantly sensitized MV4-11 and MOLM-13 AML cells to PI3K inhibition...
March 20, 2018: Cancer Research
Ying Chen, Zetian Shen, Yingru Zhi, Hao Zhou, Kai Zhang, Ting Wang, Bing Feng, Yitian Chen, Haizhu Song, Rui Wang, Xiaoyuan Chu
Radiotherapy plays a limited role in the treatment of hepatocellular carcinoma (HCC) due to the development of resistance. Therefore, further investigation of underlying mechanisms involved in HCC radioresistance is warranted. Increasing evidence shows that long non-coding RNAs (linc-RNAs) are involved in the pathology of various tumors, including HCC. Previously, we have shown that long noncoding RNA regulator of reprogramming (linc-ROR) promotes HCC metastasis via induction of epithelial-mesenchymal transition (EMT)...
March 17, 2018: Archives of Biochemistry and Biophysics
Mohd Faizal Ahmad, Muhammad Azrai Abu, Kah Teik Chew, Kun Leng Sheng, Mohd Asyraf Zakaria
A positive urine pregnancy test (UPT) with adnexal mass in ectopic pregnancy is not the ultimate diagnosis. The incidence of ectopic pregnancy is about 27 per 1000 pregnancies [1]. On average, about 6-16% will present to an emergency department with first-trimester bleeding and abdominal pain [2]. On presenting with these symptoms with the simultaneous presence of an adnexal mass and an empty uterus, a UPT is of paramount importance to determine whether the symptoms are pregnancy related or not. When the UPT is positive, an ectopic pregnancy is not the only diagnosis as the rare entity of non-gestational ovarian choriocarcinoma (NGOC) should be considered...
March 20, 2018: Hormone Molecular Biology and Clinical Investigation
Pedro Teixeira Castro, Ana Paula Pinho Matos, Osvaldo Luiz Aranda, Edson Marchiori, Haimon Diniz Lopes Alves, Alessandra Silveira Machado, Ricardo Tadeu Lopes, Heron Werner, Edward Araujo Júnior
OBJECTIVE: The aim of this study was to provide a three-dimensional (3D) microscopic reconstruction of morphological modifications of the fallopian tube (FT) following surgical sterilization (including tuboperitoneal fistula) and ectopic pregnancy (EP) using confocal microtomography (micro-CT). METHODS: Six specimens of FT from elective and emergency surgeries were selected: three remnants of the FT (RFT) from surgical sterilization, including one presenting tuboperitoneal fistula, and three FTs with EP...
March 20, 2018: Journal of Maternal-fetal & Neonatal Medicine
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