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In Patients With Severely Blocked Arteries In The Legs, MDCT Angiography Helps Lead To Successful Treatment
MDCT angiography leads to accurate recommendations for successful treatment of patients with critical limb ischemia, sometimes allowing the patients to avoid more complicated surgery, according to a study performed at the Medical University of Vienna, Vienna, Austria.
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BioCis Pharma Reports Positive Phase IIa Clinical Results In Atopic Dermatitis
BioCis Pharma Ltd., a privately held drug development company with its headquarters in Turku, Finland, announced positive results from its Phase IIa clinical trial of ProtoCure(TM) emulsion cream, the company"s novel topical drug for dermatology. This double-blind, placebo-controlled study, conducted in Finland, included 13 patients with mild to moderate atopic dermatitis who applied the ProtoCure emulsion cream to the affected skin areas twice daily for up to four weeks. The objectives were to evaluate the tolerability, pharmacokinetics, and efficacy of the topical treatment.
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Existing Parkinson's Disease Drug May Fight Drug-Resistant TB
Existing drugs used in the treatment of Parkinson"s disease could be repositioned for use in the treatment of extreme drug-resistant tuberculosis, which kills about 2 million people each year, according to a study led by researchers at the University of California, San Diego. The rise of these strains of TB throughout the world, including industrialized countries, poses a great threat to human health.
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Bridging The Mouse-Human Gap With Engineered Pig Stem Cells

The discovery that adult skin cells can be "reprogrammed" to behave like stem cells has been a major scientific boon, providing a way to tap the potential of embryonic stem cells without the associated ethical quandaries. Now, in a study appearing online in JBC, researchers have created a line of such reprogrammed stem cells from adult pigs. As pigs are large animals with a physiology very similar to humans, this work provides a valuable model to study the therapeutic potential of this new "induced pluripotent stem cell" (iPS) technology. iPS cells have already been developed from both mice and humans. Both systems will help researchers answer many biological and genetic questions about these cells, but still leave a gap before clinical applications can begin. These iPS cells cannot be tested on humans before thorough safety and efficacy trials in animal models, but the size, physiology and short lifespan of mice makes them less than ideal for these trials. Duanqing Pei and colleagues turned to a better pre-clinical model: pigs. These large animals share a remarkably similar biology to humans, as evidenced by their already extensive contributions to medicine, such as using pig insulin to treat diabetes or pig heart valves in transplant surgery. The research group modified the current iPS protocols to successfully generate a line of stem cells from a miniature Tibetan pig (whose smaller size would make breeding and maintenance easier). A biochemical analysis revealed these cells expressed the key proteins that would classify them as "stem cells" and had the ability to differentiate into many other types of cells. Importantly, these pig iPS cells more closely resembled human stem cells than other animals, confirming their value in pre-clinical studies. The researchers believe porcine iPS technology is an emerging and exciting field that should progress quickly and lead to many applications. Notes: "Generation of Induced Pluripotent Stem Cell Lines from Tibetan Miniature Pig" by Miguel Angel Esteban, Jianyong Xu, Jiayin Yang, Meixiu Peng, Dajiang Qin, Wen Li, Zhuoxin Jiang, Jiekai Chen, Kang Deng, Mei Zhong, Jinglei Cai, Liangxue Lai and Duanqing Pei. Corresponding Author: Duanqing Pei, South China Institute for Stem Cell Biology and Regenerative Medicine, Guangzhou Institutes of Biomedicine and Health, China. Article Link: http://www.jbc.org/cgi/content/abstract/M109.008938v2 Nick Zagorski American Society for Biochemistry and Molecular Biology


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