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In JoVE (1)
Other Publications (2)
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Articles by Asal Askarinam in JoVE
Использование прав Периваскулярная стволовых клеток для регенерации костной
Aaron W. James*1, Janette N. Zara*2, Mirko Corselli2, Michael Chiang1, Wei Yuan2, Virginia Nguyen1, Asal Askarinam1, Raghav Goyal1, Ronald K. Siu3, Victoria Scott1, Min Lee3, Kang Ting1, Bruno Péault2,4, Chia Soo2
1Dental and Craniofacial Research Institute and Section of Orthodontics, School of Dentistry, UCLA, 2UCLA and Orthopaedic Hospital, Department of Orthopaedic Surgery and the Orthopaedic Hospital Research Center, UCLA, 3Department of Bioengineering, UCLA, 4Center for Cardiovascular Science, University of Edinburgh
Периваскулярных человека стволовые клетки (ЭСК) представляют собой клетки роман стволовых класс для регенерации тканей скелета похожа на мезенхимальные стволовые клетки (МСК). ЭСК могут быть выделены путем FACS (флуоресценция активированный сортировки клеток) из жировой ткани, закупаемых в стандартной процедуры липосакции, то в сочетании с остеоиндуктивных лесов для достижения формирования костей
Other articles by Asal Askarinam on PubMed
Cyto- and Chemoarchitecture of the Hypothalamic Paraventricular Nucleus in the C57BL/6J Male Mouse: a Study of Immunostaining and Multiple Fluorescent Tract Tracing
The Journal of Comparative Neurology. Jan, 2012 | Pubmed ID: 21674499
The paraventricular nucleus of the hypothalamus (PVH) plays a critical role in the regulation of autonomic, neuroendocrine, and behavioral activities. This understanding has come from extensive characterization of the PVH in rats, and for this mammalian species we now have a robust model of basic PVH neuroanatomy and function. However, in mice, whose use as a model research animal has burgeoned with the increasing sophistication of tools for genetic manipulation, a comparable level of PVH characterization has not been achieved. To address this, we employed a variety of fluorescent tract tracing and immunostaining techniques in several different combinations to determine the neuronal connections and cyto- and chemoarchitecture of the PVH in the commonly used C57BL/6J male mouse. Our findings reveal a distinct organization in the mouse PVH that is substantially different from the PVH of male rats. The differences are particularly evident with respect to the spatial relations of two principal neuroendocrine divisions (magnocellular and parvicellular) and three descending preautonomic populations in the PVH. We discuss these data in relation to what is known about PVH function and provide the work as a resource for further studies of the neuronal architecture and function of the mouse PVH.
Additive Effects of Sonic Hedgehog and Nell-1 Signaling in Osteogenic Versus Adipogenic Differentiation of Human Adipose-Derived Stromal Cells
Stem Cells and Development. Feb, 2012 | Pubmed ID: 22264144
A theoretical inverse relationship exists between osteogenic (bone forming) and adipogenic (fat forming) mesenchymal stem cell (MSC) differentiation. This inverse relationship in theory partially underlies the clinical entity of osteoporosis, in which marrow MSCs have a preference for adipose differentiation that increases with age. Two pro-osteogenic cytokines have been recently studied that each also possesses antiadipogenic properties: Sonic Hedgehog (SHH) and NELL-1 proteins. In the present study, we assayed the potential additive effects of the biologically active N-terminus of SHH (SHH-N) and NELL-1 protein on osteogenic and adipogenic differentiation of human primary adipose-derived stromal cell (hASCs). We observed that both recombinant SHH-N and NELL-1 protein significantly enhanced osteogenic differentiation and reduced adipose differentiation across all markers examined (alkaline phosphatase, Alizarin red and Oil red O staining, and osteogenic gene expression). Moreover, SHH-N and NELL-1 directed signaling produced additive effects on the pro-osteogenic and antiadipogenic differentiation of hASCs. NELL-1 treatment increased Hedgehog signaling pathway expression; coapplication of the Smoothened antagonist Cyclopamine reversed the pro-osteogenic effect of NELL-1. In summary, Hedgehog and Nell-1 signaling exert additive effects on the pro-osteogenic and antiadipogenic differentiation of ASCs. These studies suggest that the combination cytokines SHH-N+NELL-1 may represent a viable future technique for inducing the osteogenic differentiation of MSCs.