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Fat derived stem cell

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https://www.readbyqxmd.com/read/28338809/resveratrol-derivative-btm-0512-mitigates-obesity-by-promoting-beige-remodeling-of-subcutaneous-preadipocytes
#1
Qingqing Li, Kuansong Wang, Yipeng Ma, Chunxiang Qin, Changsheng Dong, Ping Jin, Yan Wu, Xiaoming Xiong, Niansheng Li, Changping Hu, Jun Peng, Zhichun Yang
Recent studies revealed that sirtuin 1 (SIRT1) is involved in the regulation of energy metabolism and its agonist resveratrol showed anti-obesity effect. This study aims to determine whether BTM-0512, a novel derivative of resveratrol, acts as an antagonist of obesity and to explore its possible mechanisms. High-fat diet (HFD)-induced obese mice were intragastrically administered with BTM-0512 (5, 10, and 20 mg/kg/day) or resveratrol (10 mg/kg/day). It was found that the body weight, Lee's index, ratio of visceral adipose tissue (VAT) to body weight, and blood glucose were significantly reduced in BTM-0512-treated mice when compared with those in mice treated with resveratrol...
February 24, 2017: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/28293494/survival-and-inflammatory-response-in-adipose-derived-mesenchymal-stem-cell-enriched-mouse-fat-grafts
#2
Anadi Begic, Björn L Isfoss, Linn K Lønnerød, Alexander Vigen, Jan Ø Moskaug
BACKGROUND: Adipose tissue-derived mesenchymal stem cells (ATMSCs) are currently used in grafting procedures in a number of clinical trials. The reconstructive role of such cells in fat graft enrichment is largely unclear. This study was undertaken to assess survival and inflammatory response in fat grafts enriched with ATMSCs in mice. METHODS: ATMSC-enriched adipose tissue was grafted subcutaneously in a clinically relevant manner in mice, and survival and inflammatory response were determined by bioluminescence imaging of transgenic tissue constitutively expressing luciferase or driven by inflammation in wild-type animals...
December 2016: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28292562/a-quantitative-analysis-of-multilineage-differentiating-stress-enduring-muse-cells-in-human-adipose-tissue-and-efficacy-of-melanocytes-induction
#3
Takeshi Yamauchi, Kenshi Yamasaki, Kenichiro Tsuchiyama, Saaya Koike, Setsuya Aiba
We have shown previously that multilineage-differentiating stress-enduring (Muse) cells in neonatal fibroblasts can differentiate into functional melanocytes. In this study, we quantitate Muse cells in adipose-mesenchymal stem cells (adipose-MSCs) of human subcutaneous tissue obtained from 11 subjects of various ages, and measured efficacy of melanocytes induction from Adipose-MSC-derived Muse cells (hASC-Muse cells). There was a statistically significant negative correlation between the age of donors and the numbers of adipose-MSCs recovered per g fat as well as the percentage of SSEA3+ cells in the adipose-MSC populations, but isolated hASC-Muse cells showed pluripotency and growth curves equally regardless the age of donors...
March 6, 2017: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28269759/effects-of-different-concentrations-of-platelet-rich-plasma-and-platelet-poor-plasma-on-vitality-and-differentiation-of-autologous-adipose-tissue-derived-stem-cells
#4
Oliver Felthaus, Lukas Prantl, Mona Skaff-Schwarze, Silvan Klein, Alexandra Anker, Marco Ranieri, Britta Kühlmann
BACKGROUND: Autologous fat grafts and adipose-derived stem cells (ASCs) can be used to treat soft tissue defects. However, the results are inconsistent and sometimes comprise tissue resorption and necrosis. This might be due to insufficient vascularization. Platelet-rich plasma (PRP) is a source of concentrated autologous platelets. The growth factors and cytokines released by platelets can facilitate angiogenesis. The simultaneous use of PRP might improve the regeneration potential of fat grafts...
February 28, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28244687/vegf165-induces-differentiation-of-hair-follicle-stem-cells-into-endothelial-cells-and-plays-a-role-in-in-vivo-angiogenesis
#5
Renfu Quan, Weibin Du, Xuan Zheng, Shichao Xu, Qiang Li, Xing Ji, Ximei Wu, Rongxue Shao, Disheng Yang
Within the vascular endothelial growth factor (VEGF) family of five subtypes, VEGF165 secreted by endothelial cells has been identified to be the most active and widely distributed factor that plays a vital role in courses of angiogenesis, vascularization and mesenchymal cell differentiation. Hair follicle stem cells (HFSCs) can be harvested from the bulge region of the outer root sheath of the hair follicle and are adult stem cells that have multi-directional differentiation potential. Although the research on differentiation of stem cells (such as fat stem cells and bone marrow mesenchymal stem cells) to the endothelial cells has been extensive, but the various mechanisms and functional forms are unclear...
February 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28244037/flow-cytometry-assisted-isolation-of-adipose-tissue-derived-stem-cells
#6
Umesh D Wankhade, Sushil G Rane
Adipose tissue dysfunction is typically seen in metabolic diseases, particularly obesity and diabetes. White adipocytes store fat while brown adipocyte dissipates it via thermogenesis. In addition, beige adipocytes develop in white fat depots in response to stimulation of β-adrenergic pathways. It appears that the three types of adipocytes-white, brown, and beige-can be formed de novo from stem/precursor cells or via transdifferentiation. Identifying the presumptive progenitors that harbor capacity to differentiate to these distinct adipocyte cell types will enable their functional characterization...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28241882/systematic-review-of-patient-factors-affecting-adipose-stem-cell-viability-and-function-implications-for-regenerative-therapy
#7
REVIEW
Jajini Varghese, Michelle Griffin, Afshin Mosahebi, Peter Butler
BACKGROUND: The applications for fat grafting have increased recently, within both regenerative and reconstructive surgery. Although fat harvesting, processing and injection techniques have been extensively studied and standardised, this has not had a big impact on the variability of outcome following fat grafting. This suggests a possible larger role of patient characteristics on adipocyte and adipose-derived stem cell (ADSC) viability and function. This systematic review aims to collate current evidence on the effect of patient factors on adipocyte and ADSC behaviour...
February 28, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28217409/muscle-derived-stem-cells-stimulate-muscle-myofiber-repair-and-counteract-fat-infiltration-in-a-diabetic-mouse-model-of-critical-limb-ischemia
#8
J Tsao, I Kovanecz, N Awadalla, R Gelfand, I Sinha-Hikim, R A White, N F Gonzalez-Cadavid
BACKGROUND: Critical Limb Ischemia (CLI) affects patients with Type 2 Diabetes (T2D) and obesity, with high risk of amputation and post-surgical mortality, and no effective medical treatment. Stem cell therapy, mainly with bone marrow mesenchymal, adipose derived, endothelial, hematopoietic, and umbilical cord stem cells, is promising in CLI mouse and rat models and is in clinical trials. Their general focus is on angiogenic repair, with no reports on the alleviation of necrosis, lipofibrosis, and myofiber regeneration in the ischemic muscle, or the use of Muscle Derived Stem Cells (MDSC) alone or in combination with pharmacological adjuvants, in the context of CLI in T2D...
December 2016: Journal of Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28212548/branched-chain-amino-acids-prevent-hepatic-fibrosis-and-development-of-hepatocellular-carcinoma-in-a-non-alcoholic-steatohepatitis-mouse-model
#9
Kai Takegoshi, Masao Honda, Hikari Okada, Riuta Takabatake, Naoto Matsuzawa-Nagata, Jean S Campbell, Masashi Nishikawa, Tetsuro Shimakami, Takayoshi Shirasaki, Yoshio Sakai, Taro Yamashita, Toshinari Takamura, Takuji Tanaka, Shuichi Kaneko
Oral supplementation with branched-chain amino acids (BCAA; leucine, isoleucine, and valine) in patients with liver cirrhosis potentially suppresses the incidence of hepatocellular carcinoma (HCC) and improves event-free survival. However, the detailed mechanisms of BCAA action have not been fully elucidated. BCAA were administered to atherogenic and high-fat (Ath+HF) diet-induced nonalcoholic steatohepatitis (NASH) model mice. Liver histology, tumor incidence, and gene expression profiles were evaluated. Ath+HF diet mice developed hepatic tumors at a high frequency at 68 weeks...
February 13, 2017: Oncotarget
https://www.readbyqxmd.com/read/28210976/regenerative-medicine-for-parkinson-s-disease-using-differentiated-nerve-cells-derived-from-human-buccal-fat-pad-stem-cells
#10
Haruka Takahashi, Hiroshi Ishikawa, Akira Tanaka
The purpose of this study was to evaluate the utility of human adipose stem cells derived from the buccal fat pad (hBFP-ASCs) for nerve regeneration. Parkinson's disease (PD) is a neurodegenerative disorder characterized by progressive death of dopaminergic neurons. PD is a candidate disease for cell replacement therapy because it has no fundamental therapeutic methods. We examined the properties of neural-related cells induced from hBFP-ASCs as a cell source for PD treatment. hBFP-ASCs were cultured in neurogenic differentiation medium for about 2 weeks...
February 16, 2017: Human Cell
https://www.readbyqxmd.com/read/28198109/progenitors-in-peripheral-nerves-launch-heterotopic-ossification
#11
Elizabeth A Olmsted-Davis, Elizabeth A Salisbury, Diana Hoang, Eleanor L Davis, ZaWaunyka Lazard, Corinne Sonnet, Thomas A Davis, Jonathan A Forsberg, Alan R Davis
Studies presented here, using a murine model of bone morphogenetic protein type 2 (BMP2)-induced heterotopic ossification (HO) show that the protein initiates HO by signaling through progenitors in the endoneurium of peripheral nerves. In the mouse, these cells were identified in the endoneurium one day after BMP2 induction using antibody against phosphoSMAD (PS) 1, 5, and 8. Studies conducted in a tracking mouse that contains a tamoxifen-regulated Wnt1-Cre recombinase crossed with a td Tomato red (TR) reporter (Wnt1(CreErt) :Ai9Tm) confirmed their neural origin...
February 15, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28186685/concise-review-fat-and-furious-harnessing-the-full-potential-of-adipose-derived-stromal-vascular-fraction
#12
Jordan A Dykstra, Tiffany Facile, Ryan J Patrick, Kevin R Francis, Samuel Milanovich, Jill M Weimer, Daniel J Kota
Due to their capacity to self-renew, proliferate and generate multi-lineage cells, adult-derived stem cells offer great potential for use in regenerative therapies to stop and/or reverse degenerative diseases such as diabetes, heart failure, Alzheimer's disease and others. However, these subsets of cells can be isolated from different niches, each with differing potential for therapeutic applications. The stromal vascular fraction (SVF), a stem cell enriched and adipose-derived cell population, has garnered interest as a therapeutic in regenerative medicine due to its ability to secrete paracrine factors that accelerate endogenous repair, ease of accessibility and lack of identified major adverse effects...
January 6, 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28175497/216%C3%A2-human-fat-derived-mesenchymal-stem-cells-bioengineered-to-secrete-bmp4-are-nononcogenic-suppress-glioma-and-prolong-survival
#13
Sara Ganaha, Rawan Al-Kharboosh, Alejandro Ruiz-Valls, Hugo Guerrero-Cazares, Alfredo Quinones-Hinojosa
No abstract text is available yet for this article.
August 1, 2016: Neurosurgery
https://www.readbyqxmd.com/read/28173811/marrow-adipocytes-inhibit-the-differentiation-of-mesenchymal-stem-cells-into-osteoblasts-via-suppressing-bmp-signaling
#14
Basem M Abdallah
BACKGROUND: Reduced bone formation is associated with increased bone marrow fat in many bone-loss related diseases including aging, post-menopause, and anorexia nervosa. Several lines of evidence suggested the regulation of osteogenesis and adipogenesis of the bone marrow-derived mesenchymal (skeletal) stem cells (BMSCs) by paracrine mediators. This study aimed to investigate the impact of adipocytes-secreted factors on the cell proliferation and osteoblast differentiation of BMSCs. METHODS: Serum free conditioned medium (CM-Adipo) was collected from stromal ST2 cells-derived adipocytes...
February 7, 2017: Journal of Biomedical Science
https://www.readbyqxmd.com/read/28170170/the-infrapatellar-fat-pad-as-a-source-of-perivascular-stem-cells-with-increased-chondrogenic-potential-for-regenerative-medicine
#15
Paul Hindle, Nusrat Khan, Leela Biant, Bruno Péault
Perivascular stem cells (PSCs) are the natural ancestors of mesenchymal stem cells (MSCs) and are the stem cells responsible for homeostasis and repair in vivo. Prospectively identified and isolated PSCs have demonstrated increased plasticity and osteogenic potential. Cells from the infrapatellar fat pad (IFP) have demonstrated increased chondrogenic potential compared with those from subcutaneous fat. This research assessed the chondrogenic potential of IFP PSCs compared with MSCs from the IFP and bone marrow...
January 2017: Stem Cells Translational Medicine
https://www.readbyqxmd.com/read/28159868/using-murine-derived-primary-intestinal-enteroids-for-studies-of-dietary-triglyceride-absorption-and-lipoprotein-synthesis-and-to-determine-the-role-of-intestine-specific-apoc-iii
#16
Javeed J Jattan, Cayla N Rodia, Diana Li, Adama C Diakhate, Hongli Dong, Amy M Bataille, Noah F Shroyer, Alison B Kohan
Since its initial report in 2009, the intestinal enteroid culture system has been a powerful tool used to study stem cell biology and development in the gastrointestinal tract. However, a major question is whether enteroids retain intestinal function and physiology. There have been significant contributions describing ion transport physiology of human intestinal organoid cultures, as well as physiology of gastric organoids, but critical studies on dietary fat absorption and chylomicron synthesis in primary intestinal enteroids have not been undertaken...
February 3, 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/28156060/the-power-of-fat-and-its-adipose-derived-stromal-cells-emerging-concepts-for-fibrotic-scar-treatment
#17
REVIEW
Maroesjka Spiekman, Joris A van Dongen, Joep C Willemsen, Delia L Hoppe, Berend van der Lei, Martin C Harmsen
Lipofilling or lipografting is a novel and promising treatment method for reduction or prevention of dermal scars after injury. Ample anecdotal evidence from case reports supports the scar-reducing properties of adipose tissue grafts. However, only a few properly controlled and designed clinical trials have been conducted thus far on this topic. Also, the underlying mechanism by which lipofilling improves scar aspect and reduces neuropathic scar pain remains largely undiscovered. Adipose-derived stromal or stem cells (ADSC) are often described to be responsible for this therapeutic effect of lipofilling...
February 3, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28155209/do-mesenchymal-stem-cells-derived-from-atypical-lipomatous-tumors-have-greater-differentiation-potency-than-cells-from-normal-adipose-tissues
#18
Hiroyuki Inatani, Norio Yamamoto, Katsuhiro Hayashi, Hiroaki Kimura, Akihiko Takeuchi, Shinji Miwa, Takashi Higuchi, Kensaku Abe, Yuta Taniguchi, Satoshi Yamada, Kiyofumi Asai, Takanobu Otsuka, Hiroyuki Tsuchiya
BACKGROUND: The p53 protein in mesenchymal stem cells (MSCs) regulates differentiation to osteogenic or adipogenic lineage. Because p53 function is depressed in most malignancies, if MSCs in malignancy also have p53 hypofunction, differentiation therapy to osteogenic or adipogenic lineage may be an effective treatment. We therefore wished to begin to explore this idea by evaluating atypical lipomatous tumor/well-differentiated liposarcoma (ALT/WDL) cells, because murine double minute 2 (MDM2) gene amplification, which leads to p53 hypofunction, is found in almost all ALT/WDLs...
February 2, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28128224/pyrintegrin-induces-soft-tissue-formation-by-transplanted-or-endogenous-cells
#19
Bhranti S Shah, Mo Chen, Takahiro Suzuki, Mildred Embree, Kimi Kong, Chang H Lee, Ling He, Lusai Xiang, Jeffrey A Ahn, Sheng Ding, Jeremy J Mao
Focal adipose deficiency, such as lipoatrophy, lumpectomy or facial trauma, is a formidable challenge in reconstructive medicine, and yet scarcely investigated in experimental studies. Here, we report that Pyrintegrin (Ptn), a 2,4-disubstituted pyrimidine known to promote embryonic stem cells survival, is robustly adipogenic and induces postnatal adipose tissue formation in vivo of transplanted adipose stem/progenitor cells (ASCs) and recruited endogenous cells. In vitro, Ptn stimulated human adipose tissue derived ASCs to differentiate into lipid-laden adipocytes by upregulating peroxisome proliferator-activated receptor (PPARγ) and CCAAT/enhancer-binding protein-α (C/EBPα), with differentiated cells increasingly secreting adiponectin, leptin, glycerol and total triglycerides...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28115038/identification-of-mfge8-in-mesenchymal-stem-cell-secretome-as-an-anti-fibrotic-factor-in-liver-fibrosis
#20
Yu Jin Jang, Su Yeon An, Jong-Hoon Kim
The beneficial paracrine roles of mesenchymal stem cells (MSCs) in tissue repair have potential in therapeutic strategies against various diseases. However, the key therapeutic factors secreted from MSCs and their exact molecular mechanisms of action remain unclear. In this study, the cell-free secretome of umbilical cord-derived MSCs showed significant anti-fibrotic activity in the mouse models of liver fibrosis. The involved action mechanism was the regulation of hepatic stellate cell activation by direct inhibition of the TGFβ/Smad-signaling...
February 2017: BMB Reports
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