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https://www.readbyqxmd.com/read/28216148/epigenetic-modification-of-the-ccl5-ccr1-erk-axis-enhances-glioma-targeting-in-dedifferentiation-reprogrammed-bmscs
#1
Rui Chen, Wayne Yuk-Wai Lee, Xiao Hu Zhang, Jie Ting Zhang, Sien Lin, Liang Liang Xu, Biao Huang, Fu Yuan Yang, Hai Long Liu, Bin Wang, Lai Ling Tsang, Sandrine Willaime-Morawek, Gang Li, Hsiao Chang Chan, Xiaohua Jiang
The success of stem cell-mediated gene therapy in cancer treatment largely depends on the specific homing ability of stem cells. We have previously demonstrated that after in vitro induction of neuronal differentiation and dedifferentiation, bone marrow stromal cells (BMSCs) revert to a primitive stem cell population (De-neu-BMSCs) distinct from naive BMSCs. We report here that De-neu-BMSCs express significantly higher levels of chemokines, and display enhanced homing abilities to glioma, the effect of which is mediated by the activated CCL5/CCR1/ERK axis...
February 9, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28216129/social-media-use-and-its-association-with-sexual-risk-and-parental-monitoring-among-a-primarily-hispanic-adolescent-population
#2
Dina L Romo, Chelsea Garnett, Alayna P Younger, Melissa S Stockwell, Karen Soren, Marina Catallozzi, Natalie Neu
STUDY OBJECTIVE: This study assesses the association between social media (SM) use with sexual risk, and with parental monitoring among Hispanic adolescents. DESIGN: Self-administered anonymous survey SETTING: Urban primary care clinics PARTICIPANTS: 13-21 year olds primarily Hispanic adolescents MAIN OUTCOME MEASURES: Chi-square and regression analyses controlling for age and gender assessed associations between SM use or sexting and sexual behaviors (kissing, touching genitals, vaginal oral, and anal sex), sexual risk (>4 lifetime partners, >1 recent partner, inconsistent condom use and history of STI diagnosis) and contraceptive use...
February 16, 2017: Journal of Pediatric and Adolescent Gynecology
https://www.readbyqxmd.com/read/28213807/in-liver-metastases-from-small-intestinal-neuroendocrine-tumors-sstr2a-expression-is-heterogeneous
#3
Mongkon Charoenpitakchai, Eric Liu, Zhiguo Zhao, Tatsuki Koyama, Won Jae Huh, Jordan Berlin, Kenneth Hande, Ronald Walker, Chanjuan Shi
We examined somatostatin receptor type 2A (SSTR2A) expression in primary and metastatic small intestinal neuroendocrine tumors (SI-NETs). We retrieved 156 liver metastases from 26 patients (10 males, 16 females) who had two or more liver lesions resected. A representative formalin-fixed paraffin-embedded section of tumor tissue from each liver metastasis and from the primary tumor, when available, were immunohistochemically stained for SSTR2A. SSTR2A expression was evaluated by the Her2/neu-scoring system and the scoring system proposed by Volante et al...
February 17, 2017: Virchows Archiv: An International Journal of Pathology
https://www.readbyqxmd.com/read/28209555/detection-of-soluble-erbb2-in-breast-cancer-cell-lysates-using-a-combined-label-free-fluorescence-platform-based-on-bloch-surface-waves
#4
Alberto Sinibaldi, Camilla Sampaoli, Norbert Danz, Peter Munzert, Leonardo Sibilio, Frank Sonntag, Agostino Occhicone, Elisabetta Falvo, Elisa Tremante, Patrizio Giacomini, Francesco Michelotti
We report on the use of one-dimensional photonic crystals to detect clinically relevant concentrations of ERBB2/neu/Her2 in cell lysates. ERBB2 is a pivotal breast cancer biomarker and targetable oncogenic driver associated with aggressive breast cancer subtypes. To quantitate soluble ERBB2, we developed an optical platform that combines label-free and fluorescence detection modes. Such platform makes use of a sandwich assay in which the one-dimensional photonic crystals sustaining Bloch surface waves are tailored with a monoclonal antibody for highly specific biological recognition (BSW biochip)...
February 9, 2017: Biosensors & Bioelectronics
https://www.readbyqxmd.com/read/28208987/bcl6-mrna-expression-level-in-invasive-duct-carcinoma-not-otherwise-specified
#5
Eman Badr, Eman Masoud, Asmaa Gaber Abdou, Marwa Serag Eldien
INTRODUCTION: B-Cell Lymphoma 6 (BCL6) has an oncogenic role in tumourigenesis of various malignancies. It represses genes involved in terminal differentiation and plays complementary role with Signal Transducer and Activator of Transcription 3 (STAT3) in triple-negative breast cancer cellular function. AIM: To evaluate the expression of BCL6 in cancer breast and determine its correlation with the clinico-pathological features including the molecular subtype of breast carcinoma...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208623/fluorescence-lectin-bar-coding-of-glycoconjugates-in-the-extracellular-matrix-of-biofilm-and-bioaggregate-forming-microorganisms
#6
Thomas R Neu, Ute Kuhlicke
Microbial biofilm systems are defined as interface-associated microorganisms embedded into a self-produced matrix. The extracellular matrix represents a continuous challenge in terms of characterization and analysis. The tools applied in more detailed studies comprise extraction/chemical analysis, molecular characterization, and visualisation using various techniques. Imaging by laser microscopy became a standard tool for biofilm analysis, and, in combination with fluorescently labelled lectins, the glycoconjugates of the matrix can be assessed...
February 10, 2017: Microorganisms
https://www.readbyqxmd.com/read/28203454/mir-328-may-be-considered-as-an-oncogene-in-human-invasive-breast-carcinoma
#7
Alihossein Saberi, Amir Danyaei, Niloofar Neisi, Maryam Dastoorpoor, Mohammad Javad Tahmasbi Birgani
BACKGROUND: The recent investigations have rendered microRNAs (miRs) as a novel biomarker in cancer research. In fact, alteration in miR expression may be associated with tumor suppression, tumorigenesis, metastasis, and poor prognosis in human breast cancer (BC). OBJECTIVES: The aim of this clinical experimental study was to measure the miR-328 expression level in breast cancer tissues, at first. Then, we tried to find out any possible correlation between miR-328 and prognostic and predictive biomarkers in BC...
November 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28196852/inpp4b-and-pten-loss-leads-to-pi-3-4-p2-accumulation-and-inhibition-of-pi3k-in-tnbc
#8
Darien E Reed, Kevan M Shokat
: Triple-negative breast cancer [TNBC, lacks expression of estrogen receptor (ER), progesterone receptor (PR) and amplification of HER2/Neu] remains one of the most aggressive subtypes, affects the youngest patients and still lacks an effective targeted therapy(1,2). Both phosphatidylinositol-3-kinase (PI3K)-α and -β contribute to oncogenesis of solid tumors, including the development of breast cancer(3). Inositol polyphosphate-4-phosphatase type II (INPP4B) catalyzes the removal of the 4'-phosphate of phosphatidylinositol-(3,4-bisphosphate (PI-3,4-P2) creating phosphatidylinositol-3-phosphate(4)...
February 14, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28187122/overt-and-covert-anxiety-as-a-toxic-factor-in-ischemic-heart-disease-in-women-the-link-between-psychological-factors-and-heart-disease
#9
Alicja Nasiłowska-Barud, Tomasz Zapolski, Małgorzata Barud, Andrzej Wysokiński
BACKGROUND Long-term clinical observations have shown that anxiety disorders influence the etiopathogenesis of ischemic heart disease (IHD) in women. The aim of this study was to determine the characteristics of the structure of overt and covert anxiety, and to examine the impact of the severity of anxiety on five personality traits as described Costa and McCrae. MATERIAL AND METHODS The study involved 50 women aged 37 to 74 years, who were treated because of IHD that was confirmed by angiographic examination of the coronary vessels...
February 10, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28184962/magnetic-resonance-imaging-4-d-flow-based-analysis-of-aortic-hemodynamics-in-turner-syndrome
#10
Raoul Arnold, Marie Neu, Daniel Hirtler, Charlotte Gimpel, Michael Markl, Julia Geiger
BACKGROUND: Cardiovascular surveillance is important in Turner syndrome because of the increased risk of aortic dilation and dissection with consecutively increased mortality. OBJECTIVE: To compare 4-D flow MRI for the characterization of aortic 3-D flow patterns, dimensions and vessel wall parameters in pediatric patients with Turner syndrome and age-matched controls. MATERIALS AND METHODS: We performed 4-D flow MRI measuring in vivo 3-D blood flow with coverage of the thoracic aorta in 25 patients with Turner syndrome and in 16 female healthy controls (age mean ± standard deviation were 16 ± 5 years and 17 ± 4 years, respectively)...
February 9, 2017: Pediatric Radiology
https://www.readbyqxmd.com/read/28183282/enhanced-and-long-term-immunogenicity-of-a-her-2-neu-multi-epitope-vaccine-conjugated-to-the-carrier-crm197-in-conjunction-with-the-adjuvant-montanide
#11
Joshua Tobias, Joanna Jasinska, Karin Baier, Michael Kundi, Nicholas Ede, Christoph Zielinski, Ursula Wiedermann
BACKGROUND: We previously identified three short single peptides (P4, P6 and P7) representing different B-cell epitopes on the extracellular domain of Her-2/neu for a vaccine that was tested in a phase-I clinical trial. Here we describe the improvement of the multi peptide vaccine by fusing the single peptides to a hybrid peptide P467. METHODS: After coupling to either virosomes or to diphtheria toxoid CRM197 (CRM), the hybrid peptide was tested in different concentrations in combination with either Montanide or Aluminium hydroxide (Alum) in preclinical studies...
February 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28182347/the-diagnostic-value-of-procalcitonin-versus-other-biomarkers-in-prediction-of-bloodstream-infection
#12
Ya-Ping Pan, Ya-Ping Fang, Yuan-Hong Xu, Zhong-Xin Wang, Ji-Lu Shen
BACKGROUND: We compared the diagnostic utility of procalcitonin (PCT), C-reactive protein (CRP), and hematological markers, including white blood cell count (WBC), neutrophils (NEU), percentage of neutrophils (NEU%), lymphocytes (LYM), neutrophil-lymphocyte count ratio (NLCR), and platelet count (PLT) for predicting bloodstream infection (BSI), which was confirmed by blood culture (BC). METHODS: A retrospective analysis was conducted for 1807 inpatients. The level of PCT, CRP, blood cells, and blood culture results were compared between the positive blood culture group and negative blood culture group; each indicator was analyzed in the performance of bacterial BSI diagnosis by drawing ROC curves...
February 1, 2017: Clinical Laboratory
https://www.readbyqxmd.com/read/28178722/differential-gene-expression-in-ductal-carcinoma-in-situ-of-the-breast-based-on-erbb2-status
#13
Emmanuel Agosto-Arroyo, Tatyana Isayeva, Shi Wei, Jonas S Almeida, Shuko Harada
BACKGROUND: The molecular signature of ductal carcinoma in situ (DCIS) in the breast is not well understood. Erb-b2 receptor tyrosine kinase 2 (ERBB2 [formerly known as HER2/neu]) positivity in DCIS is predictive of coexistent early invasive breast carcinoma. The aim of this study is to identify the gene-expression signature profiles of estrogen receptor (ER)/progesterone receptor (PR)-positive, ERBB2, and triple-negative subtypes of DCIS. METHODS: Based on ER, PR, and ERBB2 status, a total of 18 high nuclear grade DCIS cases with no evidence of invasive breast carcinoma were selected along with 6 non-neoplastic controls...
January 2017: Cancer Control: Journal of the Moffitt Cancer Center
https://www.readbyqxmd.com/read/28178631/establishment-of-a-spontaneous-metastasis-tumor-model-for-human-erbb-2-vaccine
#14
Xin Dai, Yu He, Wenbing Yao, Xiangdong Gao
Human ErbB-2 (Her-2) is a critical target for cancer immunotherapy, and its over-expression can promote cancer migration and invasion. Compared with passive antibody therapy, vaccination treatment is more effective in the prevention of cancer recurrence. BALB-neuT mouse is a spontaneous metastasis tumor model used for testing the anti-tumor metastatic effect of rat ErbB-2 (neu) vaccine. However, no spontaneous metastasis tumor model used for evaluating Her-2 vaccine has been developed. In the current study, we attempted to use murine melanoma cell lines to establish a stable spontaneous metastasis tumor model for Her-2 vaccines...
February 5, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28172415/basic-bcr-assembly-from-single-cells
#15
Stefan Canzar, Karlynn E Neu, Qingming Tang, Patrick C Wilson, Aly A Khan
No abstract text is available yet for this article.
February 1, 2017: Bioinformatics
https://www.readbyqxmd.com/read/28169460/alterations-of-the-hematologic-cells-in-synthetic-cannabinoid-users
#16
Derya Guzel, Ahmet Bulent Yazici, Esra Yazici, Atila Erol
BACKGROUND: Functions, morphology, distributions, and index of the circulating cells are the most useful parameters that indicate various inflammatory and toxic conditions. The aim of this study was to investigate the clinical significance of these parameters in patients diagnosed with (synthetic) cannabis use disorder. METHODS: This study included a total of 40 patients in the study group (SG) with synthetic cannabis use; and 40 healthy individuals as the control group (CG)...
February 7, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28159209/necrotizing-enterocolitis-and-human-milk-feeding-a-systematic-review
#17
REVIEW
Nicole Theresa Cacho, Leslie A Parker, Josef Neu
This article summarizes evidence regarding whether a donor human milk (DHM) and/or an exclusively human milk (EHM) diet decreases the incidence of necrotizing enterocolitis (NEC) and the dose of human milk (HM) necessary to reduce the risk of NEC in premature infants. Additional research regarding protection afforded by DHM and EHM is necessary as well as research elucidating the exact dose of HM necessary for NEC risk reduction. Research is also needed to determine whether there is a dose-dependent effect of DHM, a combination of mother's own milk and DHM, and an EHM diet on NEC incidence...
March 2017: Clinics in Perinatology
https://www.readbyqxmd.com/read/28157404/whole-slide-imaging-for-analytical-anatomic-pathology-and-telepathology-practical-applications-today-promises-and-perils
#18
Alton Brad Farris, Cynthia Cohen, Thomas E Rogers, Geoffrey H Smith
Whole slide imaging (WSI) offers a convenient, tractable platform for measuring features of routine and special-stain histology or in immunohistochemistry staining by using digital image analysis (IA). We now routinely use IA for quantitative and qualitative analysis of theranostic markers such as human epidermal growth factor 2 (HER2/neu), estrogen and progesterone receptors, and Ki-67. Quantitative IA requires extensive validation, however, and may not always be the best approach, with pancreatic neuroendocrine tumors being one example in which a semiautomated approach may be preferable for patient care...
February 3, 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/28152688/a-new-digital-classification-schema-to-detect-treatment-variances-and-enable-value-based-payment-reforms
#19
Eric V Schultz, Kelly Choi, William Kea, Augie Smith, Cindy Kim, Matthew Axelrod, Teresa Fletcher, Matthew Love, Ruth Pe Benito, Samira Daswani, Sukhi Kaur, Kathyrn Tanenbaum, James Schaffer, Ali Hasan, Dilip Raj, Kumar Bharath Prabhu, Kiran Suryadevara, Ryan Callahan, Stuart L Goldberg
: 28 Background: Value based payment reforms which improve the outcome to cost ratio (paying for outcomes not for services) require detailed information on both elements. Although the digitalization of medicine via the EHR may facilitate data collection, the imprecise ICD9 and ICD10 schemas hinder analysis (eg: all breast cancers are ICD9 174.9). A more precise classification schema that accounts for biologic variances to allow analysis (and reduction) of treatment variances is needed...
March 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28150932/biomimetic-human-serum-albumin-nanoparticle-for-efficiently-targeting-therapy-to-metastatic-breast-cancers
#20
Lisha Liu, Yunke Bi, Muru Zhou, Xinli Chen, Xi He, Yujie Zhang, Tao Sun, Chunhui Ruan, Qinjun Chen, Hao Wang, Chen Jiang
Triple negative breast cancers (TNBCs), devoid of hormone receptors and human epidermal growth factor receptor-2/Neu expression, bring about poor prognosis and induce a high rate of systematic metastases. The ineffectiveness of current therapies on TNBCs could be attributed to the lack of efficient targeted therapy. Paclitaxel (PTX) is considered as one of first-line chemotherapeutics for TNBC treatment, while due to the low aqueous solubility and non-specific accumulation, resulting in poor antitumor efficacy...
February 2, 2017: ACS Applied Materials & Interfaces
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