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Knockdown of long noncoding RNAs in breast cancer
1 Jennii Luu, 2 Jesper Maag, 1 Yanny Handoko, 3 Richard Redvers, 3,4 Robin L. Anderson, 5 Maren M. Gross , 2 Marcel E. Dinger, and 1,3 Kaylene J. Simpson 1 Victorian Centre for Functional Genomics, Peter MacCallum Cancer Centre; 2 Genome Informatics, The Kinghorn Cancer Centre, The Garvan Institute of Medical Research; 3 Metastasis Research Laboratory, Peter MacCallum Cancer Centre, 4 Sir Peter MacCallum Department of Oncology, University of Melbourne;

RNAi global collaboration study using Lincode siRNA in a primary screen of tumor and nontumor breast cell lines. Hundreds of lncRNAs are found to affect viability and cell morphology of breast cancer. Presented at Keystone Symposia on Long Noncoding RNAs: From Evolution to Function, Mar 15 - Mar 20, 2015.

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Development of a novel xeno-free medium for feeder-free culture of human stem cells
Annand R; Okuda Y; Inamura M

A new xeno-free medium (ReproXFTM) has been developed for feeder-free culture of stem cells.

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Novel culture medium using a small-molecule agonist of thrombopoetin receptor
Hondo M1; Nishino T2; Inamura M1

ReproHSC medium for the culture of hematopoietic stem cells. facilitates the culture and expansion of CD34+/CD38- cells that retain their HSC properties

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A novel multi-organ microfluidic chip: on the way to the complexity of a living organism
Timur R Samatov, Svetlana A Tonevitskaya, Natalya Pulkova, Evgeny A Tonevitsky

A novel physiologically relevant multi-organ chip is developed capable of culturing up to six different organotypic models integrated into a single microfluidic circuit.

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Continuous Collection of Stem Cells from a Human Placenta Perfusion Co-Culture
John J.S. Cadwell & James C. Hardy

The potential for human placenta-derived cells to produce stem cells in a hollow fiber bioreactor co-culture system was investigated.

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Specificity of highly potent miRNA inhibitors
Barbara Robertson, Andrew Dalby, Yuriy Fedorov, Jon Karpilow, Anastasia Khvorova1, Devin Leake, Annaleen Vermeulen

miRNA inhibitors are invaluable tools for elucidating the roles of miRNAs. However, potent inhibitors may also affect other miRNAs. To understand the potential cross-reactivity of miRNA inhibitors, various miRNA inhibitor designs were systematically tested. We demonstrate that mismatches both within and outside the seed region of the miRNA interfere with inhibition. Our findings indicate that features important for natural miRNA target recognition are also important for inhibitor specificity.

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Alternative miRNA design for therapeutic RNAi applications
Anja van Brabant Smith, Barb Robertson, Annaleen Vermeulen, Christina Yamada, Angela Reynolds, Anastasia Khvorova, Devin Leake

For in vivo applications, the design of miRNA inhibitors and miRNA mimics must be optimized for stability and potency. However, stabilized miRNA mimic molecules can lose functionality compared to standard miRNA mimic molecules due, in part, to the activity of the stabilized passenger strand acting as a miRNA inhibitor. We discuss how mismatches affect the activity of the stabilized miRNA mimics, perhaps by generating a passenger strand that is less functional as an inhibitor molecule.

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Cas9 driven by an optimal promoter improves gene editing in eukaryotic cell lines when paired with synthetic crRNA and tracrRNA
Amanda Haupt, Emily Anderson, Žaklina Strezoska, Hidevaldo Machado, Shawn McClelland, Maren Mayer, Adam Rocker, Annaleen Vermeulen, Amanda Birmingham, Melissa Kelley, Anja Smith

Presented here are results on the efficiency of using synthetic crRNA and tracrRNA to introduce gene editing events when co-transfected with a plasmid expressing Cas9. We explored the use of antibiotic and fluorescence activated cell sorting (FACS) methods for enrichment of cells that have undergone gene editing, and the use of multiple promoters to increase efficiency of gene editing with Cas9 and synthetic tracrRNA and crRNAs.

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Specificity and functionality of microRNA inhibitors
Barbara Robertson, Andrew Dalby, Jon Karpilow, Anastasia Khvorova, Devin Leake and Annaleen Vermeulen

Our findings indicate that features important for natural miRNA target recognition also appear to be important for inhibitor specificity. Understanding the specificity of inhibitors allows for better interpretation of inhibitor activity in endogenous systems.

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Scientific News
The Mending Tissue - Cellular Instructions for Tissue Repair
NUS-led collaborative study identifies universal mechanism that explains how tissue shape regulates physiological processes such as wound healing and embryo development.
Most Complete Human Brain Model to Date is a ‘Brain Changer’
Once licensed, model likely to accelerate study of Alzheimer’s, autism, more.
Capturing Cell Growth in 3-D
Spinout’s microfluidics device better models how cancer and other cells interact in the body.
Protein That Turns Moles Into Melanoma Cancer Identified
Moles can turn into cancer, if the genetic factors recently identified by a team of researchers at the University of Pennsylvania were not present in humans.
Scientists Grow Human Serotonin Neurons in Petri Dish
The advance could facilitate the discovery of new antidepressants and drugs for illnesses involving serotonin.
Study Details Powerful Molecular Promoter of Colon Cancers
Findings show how suppression of microRNA family of molecules leads to intestinal tumors.
From Pluripotency to Totipotency
Studies results provide new elements for the understanding of pluripotency and could increase the efficiency of reprogramming somatic cells to be used for applications in regenerative medicine.
Cancer Treatment Models get Real
Researchers at Rice Univ. and Univ. of Texas MD Anderson Cancer Center have developed a way to mimic the conditions under which cancer tumors grow in bones.
Potential Treatment for Muscular Dystrophy
A new method for producing muscle cells could offer a better model for studying muscle diseases, such as muscular dystrophy, and for testing potential treatment options.
Protein Related to Long Term Traumatic Brain Injury Complications Discovered
NIH-study shows protein found at higher levels in military members who have suffered multiple TBIs.
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