Name: August 2015 - This Month in JoVE: Isolating Stem Cells, Bioengineering the Kidney, and Getting Kids to eat Carrots (Video) | JoVE Journal
Uploaded: 2015-08-02T13:00:00.000+00:00
Duration: 3 min 26 s
Description: Discover protocols for humanized stem cell culture, minimally invasive iPSC generation, kidney bioengineering, and behavioral interventions for pediatric feeding disorders. These methods advance regenerative medicine and therapeutic applications.

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<h2 class="jove_title"><a href="https://www.jove.com/video/53174">Generation of Integration-free Human Induced Pluripotent Stem Cells Using Hair-derived Keratinocytes</a></h2>Sandy S.C. Hung, Alice P&#233;bay, Raymond C.B. WongCentre for Eye Research Australia &amp; Department of Ophthalmology, University of MelbourneThis manuscript provides a step-by-step procedure for the derivation and maintenance of human keratinocytes from plucked hair and subsequent generation of integration-free human induced pluripotent stem cells (hiPSCs) by episomal vectors. <h2 class="jove_title"><a href="https://www.jove.com/video/53271">Epithelial Cell Repopulation and Preparation of Rodent Extracellular Matrix Scaffolds for Renal Tissue Development</a></h2>Joseph S. Uzarski1,2, Jimmy Su1,2,3,4, Yan Xie1,2, Zheng Jenny Zhang1,2, Heather H. Ward5, Angela Wandinger-Ness6, William M. Miller7,8, Jason A. Wertheim1,2,3,4,8,91Comprehensive Transplant Center, Feinberg School of Medicine, Northwestern University, 2Department of Surgery, Feinberg School of Medicine, Northwestern University, 3Department of Biomedical Engineering, Northwestern University, 4Simpson Querrey Institute for BioNanotechnology in Medicine, Northwestern University, 5Department of Internal Medicine, University of New Mexico HSC, 6Department of Pathology, University of New Mexico HSC, 7Department of Chemical and Biological Engineering, Northwestern University, 8Chemistry of Life Processes Institute, Northwestern University, 9Department of Surgery, Jesse Brown VA Medical CenterThis protocol describes decellularization of Sprague Dawley rat kidneys by antegrade perfusion of detergents through the vasculature, producing acellular renal extracellular matrices that serve as templates for repopulation with human renal epithelial cells. Recellularization and use of the resazurin perfusion assay to monitor growth is performed within specially-designed perfusion bioreactors.<h2 class="jove_title"><a href="https://www.jove.com/video/52898">A Treatment Package without Escape Extinction To Address Food Selectivity</a></h2>Jessica Weber1, Anibal Gutierrez, Jr.21Florida International University, 2Department of Psychology and the Center for Children and Families, Florida International UniversityFeeding difficulties are a common problem for children with developmental disorders, including autism, and behavioral interventions often include escape extinction. Recent research has begun to evaluate treatments that do not include escape extinction. This manuscript describes a multicomponent treatment package that does not use escape extinction to treat feeding difficulties.<h2 class="jove_title"><a href="https://www.jove.com/video/53204">A Novel Culture Model for Human Pluripotent Stem Cell Propagation on Gelatin in Placenta-conditioned Media</a></h2>Ji-Hye Jung, Byung Soo KimDepartment of Biomedical Science, Graduate School of Medicine, Korea UniversityThis protocol provides a simple and efficient way to propagate human pluripotent stem cells (hPSCs) using only conditioned media derived from the human placenta in a gelatin-coated dish without additional exogenous supplementation or hPSC-specific synthetic substrata.

august 2015 - this month in jove: isolating stem cells, bioengineering the kidney, and getting kids to eat carrots

August 2015 - This Month in JoVE: Isolating Stem Cells, Bioengineering the Kidney, and Getting Kids to eat Carrots

Here's a look at what's coming up in the <a href="http://www.jove.com/archive/102">August 2015 issue</a> of <a href="http://www.jove.com/">JoVE: The Journal of Visualized Experiments</a>.
In <a href="http://www.jove.com/devbio">JoVE Developmental Biology</a>, a major goal in stem cell research is to grow human pluripotent stem cells (hPSCs) in fully humanized conditions without using feeder cells, exogenous supplements, or synthetic substrates. This will eliminate the risk of contamination by animal cells and facilitate economical mass production for therapeutic applications. <a href="http://www.jove.com/video/53204">Jung and Kim</a> previously showed that chorionic cells from the human placenta could support the propagation of hPSCs. So this month, they isolate and culture placental chorionic cells and use the placenta-conditioned media to culture the hPSCs. The result is an almost completely humanized culture system that can advance stem cell research and regenerative medicine.
Also in <a href="http://www.jove.com/devbio">JoVE Developmental Biology</a>, the ability to genetically reprogram differentiated cells into stem-like states has revolutionized the field of regenerative medicine. Induced pluripotent stem cells (iPSCs) can be derived from many different cell types, including lymphocytes from whole blood and keratinocytes from skin samples. But these require pretty invasive extraction methods, so <a href="http://www.jove.com/video/53174">Hung et al.</a> focus on the keratinocytes from hair follicles, which can be harvested simply by plucking a few hairs. Our authors culture the follicles to isolate keratinocytes, and transfect them with non-viral episomal vectors to produce iPSCs. These could be used for disease modeling and for deriving patient-specific stem cells.
<a href="http://www.jove.com/bioengineering">JoVE Bioengineering</a> also applies to regenerative medicine with a protocol by <a href="http://www.jove.com/video/53271">Uzarski et al.</a> for bioengineering kidney tissues. This involves carefully removing the cells from kidneys by perfusion. The decellularized tissue retains much of the kidney's intricate structure, so it serves a biological scaffold for new renal cells. The kidney scaffolds are recellularized with human renal cells, which repopulate the matrix, proliferate, and survive in perfusion culture for over a week. With a shortage of donor kidneys available for transplantation, patients with renal failure may benefit from kidney grafts made from their own cells.
In <a href="http://www.jove.com/behavior">JoVE Behavior</a>, feeding disorders are common in young children, especially those with developmental delays. So <a href="http://www.jove.com/video/52898">Weber and Gutierrez</a> demonstrate a treatment protocol that includes three different procedures for presenting foods: One procedure involves several successive steps that approximate eating. In another, preferred foods are always placed on the left side. This is designed to foster compliance with foods served on the left. In the third procedure, the non-preferred food is placed on top of the preferred one, and always served from the left. Parents, teachers, and clinicians can try this simple protocol before seeking more specialized treatment.
You've just had a sneak peek of the <a href="http://www.jove.com/archive/102">August 2015 issue</a> of <a href="http://www.jove.com/">JoVE</a>. Visit the website to see the full-length articles, plus many more, in <a href="http://www.jove.com/">JoVE: The Journal of Visualized Experiments</a>.

Here's a look at what's coming up in the August 2015 issue of JoVE: The Journal of Visualized Experiments.
In JoVE Developmental Biology, a major goal in ...

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Discover protocols for humanized stem cell culture, minimally invasive iPSC generation, kidney bioengineering, and behavioral interventions for pediatric feeding disorders. These methods advance regenerative medicine and therapeutic applications.

August 2015 - This Month in JoVE: Isolating Stem Cells, Bioengineering the Kidney, and Getting Kids to eat Carrots (Video) | JoVE Journal

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August 2015 - This Month in JoVE: Isolating Stem Cells, Bioengineering the Kidney, and Getting Kids to eat Carrots

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