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https://www.readbyqxmd.com/read/29785153/prevalence-of-deleterious-mutations-among-patients-with-breast-cancer-referred-for-multigene-panel-testing-in-a-romanian-population
#1
Iulian Gabriel Goidescu, Gabriela Caracostea, Dan Tudor Eniu, Florin Vasile Stamatian
Aim: Multigene panel testing for Hereditary Breast and Ovarian Cancer (HBOC) using next generation sequencing is becoming more common in medical care.We report our experience regarding deleterious mutations of high and moderate-risk breast cancer genes (BRCA1/2, TP53, STK11, CDH1, PTEN, PALB2, CHEK2, ATM), as well as more recently identified cancer genes, many of which have increased risk but less well-defined penetrance. Methods: Genetic testing was performed in 130 consecutive cases with breast cancer referred to our clinic for surgical evaluation and who met the 2016 National Comprehensive Cancer Network (NCCN) criteria for genetic testing...
2018: Clujul Medical (1957)
https://www.readbyqxmd.com/read/29759045/neuropathological-developments-in-sudden-infant-death-syndrome
#2
Fiona M Bright, Robert Vink, Roger W Byard
A wide variety of neuropathological abnormalities have been investigated in infants who have died of sudden infant death syndrome (SIDS). Issues which detracted from early studies included failure to use uniform definitions of SIDS and lack of appropriately matched control populations. Development of the triple risk model focused attention on the concept of an inherent susceptibility to unexpected death in certain infants, with research demonstrating a role for the neurotransmitter serotonin within the brainstem...
January 1, 2018: Pediatric and Developmental Pathology
https://www.readbyqxmd.com/read/29753129/applications-of-rna-indexes-for-precision-oncology-in-breast-cancer
#3
REVIEW
Liming Ma, Zirui Liang, Hui Zhou, Lianghu Qu
Precision oncology aims to offer the most appropriate treatments to cancer patients mainly based on their individual genetic information. Genomics has provided numerous valuable data on driver mutations and risk loci; however, it remains a formidable challenge to transform these data into therapeutic agents. Transcriptomics describes the multifarious expression patterns of both mRNAs and non-coding RNAs (ncRNAs), which facilitates the deciphering of genomic codes. In this review, we take breast cancer as an example to demonstrate the applications of these rich RNA resources in precision medicine exploration...
May 9, 2018: Genomics, Proteomics & Bioinformatics
https://www.readbyqxmd.com/read/29752639/prevalence-of-hiv-viral-load-suppression-among-psychiatric-inpatients-with-comorbid-substance-use-disorders
#4
D M Coviello, R Lovato, K Apostol, M M Eisenberg, D S Metzger, R Szucs-Reed, N Kiryankova-Dalseth, D Kelly, A Jackson, M Plano, M B Blank
A consistently suppressed viral load enables HIV (+) patients to live longer, healthier lives and reduces the probability of transmitting the virus. Since the prevalence of HIV is four times higher among those with psychiatric disorders than in the general population, it is likely that this group would also have greater difficulty remaining in care and achieving viral suppression. A secondary data analysis utilizing screening data from the Preventing AIDS Through Health (PATH) for Triples (PFT) Study were examined to assess HIV load suppression among 254 psychiatric inpatients with comorbid substance use disorders in Philadelphia...
May 11, 2018: Community Mental Health Journal
https://www.readbyqxmd.com/read/29752580/loss-of-hox5-function-results-in-myofibroblast-mislocalization-and-distal-lung-matrix-defects-during-postnatal-development
#5
Steven M Hrycaj, Leilani Marty-Santos, Andrew J Rasky, Nicholas W Lukacs, Deneen M Wellik
Alveologenesis is the final stage of lung development and is responsible for the formation of the principle gas exchange units called alveoli. The lung mesenchyme, in particular the alveolar myofibroblasts, are drivers of alveolar development, however, few key regulators that govern the proper distribution and behavior of these cells in the distal lung during alveologenesis have been identified. While Hox5 triple mutants (Hox5 aabbcc) exhibit neonatal lethality, four-allele, compound mutant mice (Hox5 AabbCc) are born in Mendelian ratios and are phenotypically normal at birth...
April 27, 2018: Science China. Life Sciences
https://www.readbyqxmd.com/read/29743726/dramatic-dysbalancing-of-the-wnt-pathway-in-breast-cancers
#6
Alexey Koval, Vladimir L Katanaev
Wnt signaling is important for breast development and remodeling during pregnancy and lactation. Epigenetic modifications change expression levels of components of the Wnt pathway, underlying oncogenic transformation. However, no clear Wnt component increasing expression universally across breast cancer (BC) or its most Wnt-dependent triple-negative BC (TNBC) subgroup has been identified, delaying development of targeted therapies. Here we perform network correlation analysis of expression of >100 Wnt pathway components in hundreds of healthy and cancerous breast tissues...
May 9, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29741811/basal-like-breast-cancer-engages-tumor-supportive-macrophages-via-secreted-factors-induced-by-extracellular-s100a4
#7
Lina Prasmickaite, Ellen M Tenstad, Solveig Pettersen, Shakila Jabeen, Eivind Valen Egeland, Silje Nord, Abhilash Pandya, Mads Haugland Haugen, Vessela N Kristensen, Anne-Lise Børresen-Dale, Olav Engebråten, Gunhild M Maelandsmo
The tumor microenvironment (TME) may influence both cancer progression and therapeutic response. In breast cancer (BC), particularly in the aggressive triple-negative/basal-like subgroup, patient outcome is strongly associated with the tumor's inflammatory profile. Tumor-associated macrophages (TAMs) are among the most abundant immune cells in the TME, shown to be linked to poor prognosis and therapeutic resistance. In this study we investigated the effect of the metastasis- and inflammation-associated microenvironmental factor S100A4 on breast cancer cells (BCCs) of different subtypes, and explored their further interactions with myeloid cells...
May 9, 2018: Molecular Oncology
https://www.readbyqxmd.com/read/29722916/a-robust-self-healable-and-shape-memory-supramolecular-hydrogel-by-multiple-hydrogen-bonding-interactions
#8
Zhanbin Feng, Hongli Zuo, Weisheng Gao, Nanying Ning, Ming Tian, Liqun Zhang
A versatile double-network (DN) hydrogel with two noncovalent crosslinked networks is synthesized by multiple hydrogen bonding (H-bonding) interactions. The DN hydrogels are synthesized via a heating-cooling photopolymerization process by adding all reactants of agar, N-acryloyl glycinamide (NAGA) and N-benzylacrylamide (NBAA) monomers, UV initiators to a single water pot. Poly(N-acryloyl glycinamide-co-N-benzyl acrylamide) (P(NAGA-co-NBAA)) with a triple amide in one side group is synthesized via UV-light polymerization between NAGA and NBAA, forming a strong intermolecular H-bonding network...
May 3, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29719590/2-hydroxyflavanone-effectively-targets-rlip76-mediated-drug-transport-and-regulates-critical-signaling-networks-in-breast-cancer
#9
Lokesh Dalasanur Nagaprashantha, Jyotsana Singhal, Hongzhi Li, Charles Warden, Xueli Liu, David Horne, Sanjay Awasthi, Ravi Salgia, Sharad S Singhal
Breast cancer (BC) is the most common cancer in women. Estrogen, epidermal growth factor receptor 2 (ERBB2, HER2), and oxidative stress represent critical mechanistic nodes associated with BC. RLIP76 is a major mercapturic acid pathway transporter whose expression is increased in BC. In the quest of a novel molecule with chemopreventive and chemotherapeutic potential, we evaluated the effects of 2'-Hydroxyflavanone (2HF) in BC. 2HF enhanced the inhibitory effects of RLIP76 depletion and also inhibited RLIP76-mediated doxorubicin transport in BC cells...
April 6, 2018: Oncotarget
https://www.readbyqxmd.com/read/29702341/a-network-based-frequency-analysis-of-inclusive-wealth-to-track-sustainable-development-in-world-countries
#10
Nasir Ahmad, Sybil Derrible, Shunsuke Managi
Using human (HC), natural (NC), and produced (PC) capital from Inclusive Wealth as representatives of the triple bottom line of sustainability and utilizing elements of network science, we introduce a Network-based Frequency Analysis (NFA) method to track sustainable development in world countries from 1990 to 2014. The method compares every country with every other and links them when values are close. The country with the most links becomes the main trend, and the performance of every other country is assessed based on its 'orbital' distance from the main trend...
April 24, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29696924/-the-theoretical-basis-experimental-verification-and-significance-of-revealing-meridians
#11
Huicheng Wang, Ergang Wang, Baorong Zhang
In this paper, scientific theory was used to prove that the meridian was the resonant channel of information energy of life, and experiment and demonstration was performed to reveal meridians to explore the significance of revealing meridian. Based on the theory of physics, biochemistry, molecular biology and information theory, the essence of meridian was demonstrated in theory. According to TCM meridian theory, acupuncture was applied at selected acupoints; the infrared thermograms of stomach meridian of foot yangming , large intestine meridian of hand yangming , small intestine meridian of hand taiyang , pericardium meridian of hand jueyin , heart meridian of hand shaoyin , triple energizer meridian of hand shaoyang , liver meridian of foot jueyin , bladder meridian of foot taiyang were recorded before and after acupuncture...
April 12, 2018: Zhongguo Zhen Jiu, Chinese Acupuncture & Moxibustion
https://www.readbyqxmd.com/read/29693231/lnc-rna-h19-is-associated-with-poor-prognosis-in-breast-cancer-patients-and-promotes-cancer-stemness
#12
Hidetaka Shima, Kumiko Kida, Shoko Adachi, Akimitsu Yamada, Sadatoshi Sugae, Kazutaka Narui, Yohei Miyagi, Mayuko Nishi, Akihide Ryo, Soichiro Murata, Hideki Taniguchi, Yasushi Ichikawa, Takashi Ishikawa, Itaru Endo
PURPOSE: Aldehyde dehydrogenase1 (ALDH1) is widely accepted as a stem cell marker for normal breast as well as in breast cancer. Although the clinical impact of ALDH1 was observed in our previous study, we do not know how ALDH1 affects stem cell features resulting in worsening of prognosis in breast cancer. The purpose of this study is to explore ALDH1-related gene and its function on cancer stem cell (CSC). METHODS: In five cases of ALDH1-positive triple-negative breast cancer, mRNA expression profile was compared between ALDH1-positive and ALDH1-negative cells by Affymetrix microarray analysis after microdissection...
April 24, 2018: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/29675918/reconfigurable-and-reprocessable-thermoset-shape-memory-polymer-with-synergetic-triple-dynamic-covalent-bonds
#13
Yongwei Wang, Yi Pan, Zhaohui Zheng, Xiaobin Ding
Degradable shape memory polymers (SMPs), especially for polyurethane-based SMPs, have shown great potential for biomedical applications. How to reasonably fabricate SMPs with the ideal combination of degradability, shape reconfigurability, and reprocessability is a critical issue and remains a challenge for medical disposable materials. Herein, a shape memory poly(urethane-urea) with synergetic triple dynamic covalent bonds is reported via embedding polycaprolactone unit into poly(urethane-urea) with the hindered urea dynamic bond...
April 20, 2018: Macromolecular Rapid Communications
https://www.readbyqxmd.com/read/29674565/systematic-analysis-of-complex-genetic-interactions
#14
Elena Kuzmin, Benjamin VanderSluis, Wen Wang, Guihong Tan, Raamesh Deshpande, Yiqun Chen, Matej Usaj, Attila Balint, Mojca Mattiazzi Usaj, Jolanda van Leeuwen, Elizabeth N Koch, Carles Pons, Andrius J Dagilis, Michael Pryszlak, Jason Zi Yang Wang, Julia Hanchard, Margot Riggi, Kaicong Xu, Hamed Heydari, Bryan-Joseph San Luis, Ermira Shuteriqi, Hongwei Zhu, Nydia Van Dyk, Sara Sharifpoor, Michael Costanzo, Robbie Loewith, Amy Caudy, Daniel Bolnick, Grant W Brown, Brenda J Andrews, Charles Boone, Chad L Myers
To systematically explore complex genetic interactions, we constructed ~200,000 yeast triple mutants and scored negative trigenic interactions. We selected double-mutant query genes across a broad spectrum of biological processes, spanning a range of quantitative features of the global digenic interaction network and tested for a genetic interaction with a third mutation. Trigenic interactions often occurred among functionally related genes, and essential genes were hubs on the trigenic network. Despite their functional enrichment, trigenic interactions tended to link genes in distant bioprocesses and displayed a weaker magnitude than digenic interactions...
April 20, 2018: Science
https://www.readbyqxmd.com/read/29673960/systematic-metabolic-engineering-of-methylomicrobium-alcaliphilum-20z-for-2-3-butanediol-production-from-methane
#15
Anh Duc Nguyen, In Yeub Hwang, Ok Kyung Lee, Donghyuk Kim, Marina G Kalyuzhnaya, Rina Mariyana, Susila Hadiyati, Min Sik Kim, Eun Yeol Lee
Methane is considered a next-generation feedstock, and methanotrophic cell-based biorefinery is attractive for production of a variety of high-value compounds from methane. In this work, we have metabolically engineered Methylomicrobium alcaliphilum 20Z for 2,3-butanediol (2,3-BDO) production from methane. The engineered strain 20Z/pBudK.p, harboring the 2,3-BDO synthesis gene cluster (budABC) from Klebsiella pneumoniae, accumulated 2,3-BDO in methane-fed shake flask cultures with a titer of 35.66mg/L. Expression of the most efficient gene cluster was optimized using selection of promoters, translation initiation rates (TIR), and the combination of 2,3-BDO synthesis genes from different sources...
April 16, 2018: Metabolic Engineering
https://www.readbyqxmd.com/read/29666469/a-p53-mir-30a-zeb2-axis-controls-triple-negative-breast-cancer-aggressiveness
#16
Alessandra di Gennaro, Valentina Damiano, Giulia Brisotto, Michela Armellin, Tiziana Perin, Antonella Zucchetto, Michela Guardascione, Herman P Spaink, Claudio Doglioni, B Ewa Snaar-Jagalska, Manuela Santarosa, Roberta Maestro
Inactivation of p53 contributes significantly to the dismal prognosis of breast tumors, most notably triple-negative breast cancers (TNBCs). How the relief from p53 tumor suppressive functions results in tumor cell aggressive behavior is only partially elucidated. In an attempt to shed light on the implication of microRNAs in this context, we discovered a new signaling axis involving p53, miR-30a and ZEB2. By an in silico approach we identified miR-30a as a putative p53 target and observed that in breast tumors reduced miR-30a expression correlated with p53 inactivation, lymph node positivity and poor prognosis...
April 17, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29644001/bag3-promotes-tumour-cell-proliferation-by-regulating-egfr-signal-transduction-pathways-in-triple-negative-breast-cancer
#17
Sarah Shields, Emer Conroy, Tony O'Grady, Alo McGoldrick, Kate Connor, Mark P Ward, Zivile Useckaite, Eugene Dempsey, Rebecca Reilly, Yue Fan, Anthony Chubb, David Gomez Matallanas, Elaine W Kay, Darran O'Connor, Amanda McCann, William M Gallagher, Judith A Coppinger
Triple-negative breast cancer (TNBC), is a heterogeneous disease characterised by absence of expression of the estrogen receptor (ER), progesterone receptor (PR) and lack of amplification of human epidermal growth factor receptor 2 (HER2). TNBC patients can exhibit poor prognosis and high recurrence stages despite early response to chemotherapy treatment. In this study, we identified a pro-survival signalling protein BCL2- associated athanogene 3 (BAG3) to be highly expressed in a subset of TNBC cell lines and tumour tissues...
March 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29622384/chemotherapy-dose-intensity-and-overall-survival-among-patients-with-advanced-breast-or-ovarian-cancer
#18
Neelima Denduluri, Gary H Lyman, Yunfei Wang, Phuong Khanh Morrow, Richard Barron, Debra Patt, Debajyoti Bhowmik, Xiaoyan Li, Menaka Bhor, Patricia Fox, Rahul Dhanda, Shanmugapriya Saravanan, Xiaolong Jiao, Jacob Garcia, Jeffrey Crawford
BACKGROUND: The effects of chemotherapy dose intensity on patient outcomes in advanced cancer are not well understood. We studied the association between chemotherapy relative dose intensity (RDI) and overall survival (OS) among patients with advanced breast or ovarian cancer. PATIENTS AND METHODS: This retrospective cohort study included adults with advanced breast or ovarian cancer who received first-line myelosuppressive chemotherapy (January 2007 to December 2010) in US Oncology Network community practices...
February 16, 2018: Clinical Breast Cancer
https://www.readbyqxmd.com/read/29616054/wrky2-34-vq20-modules-in-arabidopsis-thaliana-negatively-regulate-expression-of-a-trio-of-related-myb-transcription-factors-during-pollen-development
#19
Rihua Lei, Zhenbing Ma, Diqiu Yu
Male gametogenesis in plants is tightly controlled and involves the complex and precise regulation of transcriptional reprogramming. Interactions between WRKY proteins and VQ motif-containing proteins are required to control these complicated transcriptional networks. However, our understanding of the mechanisms by which these complexes affect downstream gene expression is quite limited. In this study, we found that WRKY2 and WKRY34 repress MYB97 , MYB101 , and MYB120 expression during male gametogenesis. MYB expression was up-regulated in the wrky2-1 wrky34-1 vq20-1 triple mutant during male gametogenesis...
2018: Frontiers in Plant Science
https://www.readbyqxmd.com/read/29615482/defining-essential-elements-and-genetic-interactions-of-the-yeast-lsm2-8-ring-and-demonstration-that-essentiality-of-lsm2-8-is-bypassed-via-overexpression-of-u6-snrna-or-the-u6-snrnp-subunit-prp24
#20
Allen J Roth, Stewart Shuman, Beate Schwer
A seven-subunit Lsm2-8 protein ring assembles on the U-rich 3' end of the U6 snRNA. A structure-guided mutational analysis of the Saccharomyces cerevisiae Lsm2-8 ring affords new insights to structure-function relations and genetic interactions of the Lsm subunits. Alanine scanning of 39 amino acids comprising the RNA-binding sites or inter-subunit interfaces of Lsm2, Lsm3, Lsm4, Lsm5, and Lsm8 identified only one instance of lethality (Lsm3-R69A) and one severe growth defect (Lsm2-R63A), both involving amino acids that bind the 3'-terminal UUU trinucleotide...
April 3, 2018: RNA
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