New study uses siRNA and 35S promoter to regulate multiple genes including ESK1 to improve drought tolerance in Arabidopsis... Read more »
Xu F, Liu Z, Xie H, Zhu J, Zhang J, Kraus J, Blaschnig T, Nehls R, & Wang H. (2014) Increased Drought Tolerance through the Suppression of ESKMO1 Gene and Overexpression of CBF-Related Genes in Arabidopsis. PloS one, 9(9). PMID: 25184213
For those of us who were following stem cell news, recently the field had a huge setback when a paper, that offered a cheap and novel way to create stem cells, was retracted from publication. Regenerative medicine aims to replace lost or damaged cells, tissues or organs through cellular transplantation, but the promise to a better life has been hampered. Because stem cells derived from human embryos can trigger ethical concerns, a good solution is reprogramming adult cells back to an embryo-like........ Read more »
Buganim Y, Markoulaki S, van Wietmarschen N, Hoke H, Wu T, Ganz K, Akhtar-Zaidi B, He Y, Abraham BJ, Porubsky D.... (2014) The Developmental Potential of iPSCs Is Greatly Influenced by Reprogramming Factor Selection. Cell stem cell, 15(3), 295-309. PMID: 25192464
Some individuals appear vulnerable to paranoia induced by exposure to tetrahydrocannabinol (THC) in cannabis.The mechanism for this effect is poorly understood.Daniel Freeman from University of Oxford along with colleagues in England and Switzerland recently conducted an interventional research study on this issue.In this study, 121 subjects were recruited to receive injections of THC in a laboratory setting.These subjects were required to have taken cannabis at least once before participation i........ Read more »
Freeman D, Dunn G, Murray RM, Evans N, Lister R, Antley A, Slater M, Godlewska B, Cornish R, Williams J.... (2014) How Cannabis Causes Paranoia: Using the Intravenous Administration of ∆9-Tetrahydrocannabinol (THC) to Identify Key Cognitive Mechanisms Leading to Paranoia. Schizophrenia bulletin. PMID: 25031222
"Individual risk attitudes are correlated with the grey matter volume in the posterior parietal cortex suggesting existence of an anatomical biomarker for financial risk-attitude," said Dr Tymula.This means tolerance of risk "could potentially be measured in billions of existing medical brain scans." 1 -Gray matter matters when measuring risk toleranceLet's pretend that scientists have discovered a neural biomarker that could accurately predict a person's propensity to take financial risks in ........ Read more »
Gilaie-Dotan, S., Tymula, A., Cooper, N., Kable, J., Glimcher, P., & Levy, I. (2014) Neuroanatomy Predicts Individual Risk Attitudes. Journal of Neuroscience, 34(37), 12394-12401. DOI: 10.1523/JNEUROSCI.1600-14.2014
Levy, I., Rosenberg Belmaker, L., Manson, K., Tymula, A., & Glimcher, P. (2012) Measuring the Subjective Value of Risky and Ambiguous Options using Experimental Economics and Functional MRI Methods. Journal of Visualized Experiments. DOI: 10.3791/3724
A micropost if you will, to draw your attention to the paper by Javier Arnedo and colleagues  mentioning the concept of 'the schizophrenias' (plural). Some media coverage of this paper can be found here and here. The crux of the paper is that although currently unified by a diagnostic label, schizophrenia seems to be comprised of various conditions: "caused by a moderate number of separate genotypic networks associated with several distinct clinical syndromes"."... dogs and cats living t........ Read more »
Javier Arnedo, Dragan M. Svrakic, Coral del Val, Rocío Romero-Zaliz, Helena Hernández-Cuervo, Molecular Genetics of Schizophrenia Consortium, Ayman H. Fanous, Michele T. Pato, Carlos N. Pato, Gabriel A. de Erausquin.... (2014) Uncovering the Hidden Risk Architecture of the Schizophrenias: Confirmation in Three Independent Genome-Wide Association Studies. The American Journal of Psychiatry. info:/doi:10.1176/appi.ajp.2014.14040435
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