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Fat derived stem cell

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https://www.readbyqxmd.com/read/29327704/emerging-nonmetabolic-functions-of-skin-fat
#1
REVIEW
Christian F Guerrero-Juarez, Maksim V Plikus
Although the major white adipose depots evolved primarily to store energy, secrete hormones and thermo-insulate the body, multiple secondary depots developed additional specialized and unconventional functions. Unlike any other fat tissue, dermal white adipose tissue (dWAT) evolved a large repertoire of novel features that are central to skin physiology, which we discuss in this Review. dWAT exists in close proximity to hair follicles, the principal appendages of the skin that periodically grow new hairs. Responding to multiple hair-derived signals, dWAT becomes closely connected to cycling hair follicles and periodically cycles itself...
January 12, 2018: Nature Reviews. Endocrinology
https://www.readbyqxmd.com/read/29324934/stem-cells-therapy-the-future-in-the-management-of-systemic-sclerosis-a-case-report
#2
Jung In Song, Silvanie Volz, Maria Eirini Liodaki, Peter Mailänder, Konstantinos Kalousis
OBJECTIVE: Systemic sclerosis (SSc) is a connective tissue disorder of unknown etiology, with heterogeneous clinical manifestations and chronic and often progressive course. The diffuse cutaneous form of SSc (dcSSc) is characterized by thickening of the skin (scleroderma) and distinctive involvement of multiple internal organs. Patients with limited cutaneous SSc (lcSSc) generally have long-standing Raynaud's phenomenon before other manifestations of SSc appear. Over the last decade the Interest of adipose-derived cell therapy in regenerative medicine has increased continuously...
September 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/29321063/first-clinical-case-report-of-local-microinjection-of-autologous-fat-and-adipose-derived-stromal-vascular-fraction-for-perianal-fistula-in-crohn-s-disease
#3
Cécile Philandrianos, Mélanie Serrero, Fanny Grimaud, Jérémy Magalon, Carine Visée, Mélanie Velier, Pauline Francois, Pierre Orsoni, Guy Magalon, Jean-Charles Grimaud, Ariadne Desjeux, Julie Véran, Florence Sabatier
Mesenchymal stem cell therapy is a promising treatment for perianal Crohn's fistulas refractory to conventional therapy, which are an extremely morbid complication and a true therapeutic challenge. Autologous adipose-derived stromal vascular fraction (ADSVF) is an easily accessible source of cells with angiogenic, anti-inflammatory, immunomodulatory, and regenerative properties. Here, we describe a case involving a patient with severe perianal Crohn's fistulas refractory to the best medical and surgical practices who received local treatment with ADSVF and microfat...
January 10, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29312561/therapeutic-effects-of-adipose-derived-mesenchymal-stem-cells-against-brain-death-induced-remote-organ-damage-and-post-heart-transplant-acute-rejection
#4
Hon-Kan Yip, Mel S Lee, Cheuk-Kwan Sun, Kuan-Hung Chen, Han-Tan Chai, Pei-Hsun Sung, Kun-Chen Lin, Sheung-Fat Ko, Chun-Man Yuen, Chu-Feng Liu, Pei-Lin Shao, Fan-Yen Lee
We tested the hypothesis that allogenic adipose-derived mesenchymal stem cells (ADMSCs) alleviated brain death (BD)-induced remote organ damage and events of post heart-transplant acute rejection. To determine the impact of BD on remote organ damage, adult-male F344 rats (n=24) were categorized sham-control (SC), BD and BDMSC (allogenic ADMSC/1.2 × 106 cells/derived from F344 by intravenous transfusion 3 h after BD procedure). To determine the protective effect of allogenic ADMSCs, animals (n=8/each group in F344/Lewis) were categorized into groups BD-T(F344 heart transplanted into Lewis by 6h after BD), BD-TMSC(D1/3) (BD induction for 6h then heart transplantation, and allogenic ADMSCs transfusion at days 1 and 5 after heart transplantation), BD-TMSC(3h) (BD + ADMSC/1...
December 12, 2017: Oncotarget
https://www.readbyqxmd.com/read/29309331/adipose-derived-tissue-in-the-treatment-of-dermal-fibrosis-antifibrotic-effects-of-adipose-derived-stem-cells
#5
Anna A Borovikova, Mary E Ziegler, Derek A Banyard, Garrett A Wirth, Keyianoosh Z Paydar, Gregory R D Evans, Alan David Widgerow
Treatment of hypertrophic scars and other fibrotic skin conditions with autologous fat injections shows promising clinical results; however, the underlying mechanisms of its antifibrotic action have not been comprehensively studied. Adipose-derived stem cells, or stromal cell-derived factors, inherent components of the transplanted fat tissue, seem to be responsible for its therapeutic effects on difficult scars. The mechanisms by which this therapeutic effect takes place are diverse and are mostly mediated by paracrine signaling, which switches on various antifibrotic molecular pathways, modulates the activity of the central profibrotic transforming growth factor β/Smad pathway, and normalizes functioning of fibroblasts and keratinocytes in the recipient site...
January 5, 2018: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/29302732/the-effects-of-platelet-rich-plasma-and-adipose-derived-stem-cells-on-neovascularization-and-fat-graft-survival
#6
Bing-Jun Xiong, Qiu-Wen Tan, Yu-Juan Chen, Yi Zhang, Di Zhang, Shen-Li Tang, Shu Zhang, Qing Lv
BACKGROUND: Adipose-derived stem cell (ADSCs)-assisted and platelet-rich plasma (PRP)-assisted lipofilling aim to enhance angiogenesis and cell proliferation and are promising techniques for lipofilling. This study aimed to compare the outcomes of ADSCs-assisted and PRP-assisted lipofilling. METHODS: Adipose tissue and human venous blood were obtained from women with early breast cancer. Human ADSCs were isolated and amplified in vitro. PRP was extracted through double centrifugation...
January 4, 2018: Aesthetic Plastic Surgery
https://www.readbyqxmd.com/read/29301300/the-impact-of-lipid-types-and-liposomal-formulations-on-osteoblast-adiposity-and-mineralization
#7
Shun-Fu Chang, Chih-Chang Yeh, Pin-Jyun Chen, Hsin-I Chang
Recent studies have demonstrated that fat accumulation in bone cells is detrimental to bone mass. Both adipocytes and osteoblasts are derived from common multipotent mesenchymal stem cells (MSCs) and hence the presence of fat may increase adipocyte proliferation, differentiation and fat accumulation while inhibiting osteoblast differentiation and bone formation. Lipids are common constituents in supramolecular vesicles (e.g., micelles or liposomes) that serve as drug delivery systems. Liposomal formulations such as Meriva® were proven to decrease joint pain and improve joint function in osteoarthritis (OA) patients...
January 2, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29286155/mesenchymal-stem-cells-reverse-high%C3%A2-fat-diet%C3%A2-induced-non%C3%A2-alcoholic-fatty-liver-disease-through-suppression-of-cd4-t-lymphocytes-in-mice
#8
Huafeng Wang, Huan Zhang, Biao Huang, Guolin Miao, Xiaoyan Yan, Gang Gao, Yongping Luo, Huize Chen, Wei Chen, Luhong Yang
Although the multipotency of mesenchymal stem cells (MSCs) makes them an attractive choice for clinical applications, immune modulation is an important factor affecting MSC transplantation. At present, the effect of treatment with MSCs on non‑alcoholic fatty liver disease (NAFLD) has received little attention. In the present study, a compact bone‑derived method was used to isolate mouse MSCs (mMSCs) and a high‑fat diet was used to establish a mouse model of NAFLD. Immunophenotypic features of mMSCs were analyzed using flow cytometry...
December 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29277329/human-embryonic-stem-cell-derived-cardiomyocytes-as-an-in-vitro-model-to-study-cardiac-insulin-resistance
#9
Ilvy M E Geraets, Dipanjan Chanda, Florence H J van Tienen, Arthur van den Wijngaard, Rick Kamps, Dietbert Neumann, Yilin Liu, Jan F C Glatz, Joost J F P Luiken, Miranda Nabben
Patients with type 2 diabetes (T2D) and/or insulin resistance (IR) have an increased risk for the development of heart failure (HF). Evidence indicates that this increased risk is linked to an altered cardiac substrate preference of the insulin resistant heart, which shifts from a balanced utilization of glucose and long-chain fatty acids (FAs) towards an almost complete reliance on FAs as main fuel source. This shift leads to a loss of endosomal proton pump activity and increased cardiac fat accumulation, which eventually triggers cardiac dysfunction...
December 20, 2017: Biochimica et Biophysica Acta
https://www.readbyqxmd.com/read/29273781/altered-gene-expression-and-metabolism-in-fetal-umbilical-cord-mesenchymal-stem-cells-correspond-with-differences-in-5-month-old-infant-adiposity-gain
#10
Peter R Baker, Zachary W Patinkin, Allison L B Shapiro, Becky A de la Houssaye, Rachel C Janssen, Lauren A Vanderlinden, Dana Dabelea, Jacob E Friedman
The intrauterine period is a critical time wherein developmental exposure can influence risk for chronic disease including childhood obesity. Using umbilical cord-derived mesenchymal stem cells (uMSC) from offspring born to normal-weight and obese mothers, we tested the hypothesis that changes in infant body composition over the first 5 months of life correspond with differences in cellular metabolism and transcriptomic profiles at birth. Higher long-chain acylcarnitine concentrations, lipid transport gene expression, and indicators of oxidative stress in uMSC-adipocytes were related to higher adiposity at 5 months of age...
December 22, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29258603/adipose-tissue-derived-stem-cells-ameliorate-hyperglycemia-insulin-resistance-and-liver-fibrosis-in-the-type-2-diabetic-rats
#11
Naishun Liao, Youshi Zheng, Haihua Xie, Bixing Zhao, Yongyi Zeng, Xiaolong Liu, Jingfeng Liu
BACKGROUND: Type 2 diabetes (T2D) is closely associated with liver fibrosis, but no effective treatments are currently available. This study was designed to investigate the therapeutic effects of ADSCs on insulin resistance, hyperglycemia, and liver fibrosis on T2D rats. METHODS: We first established a T2D rat model with liver fibrosis by using the combination of a high-fat diet (HFD), low-dose streptozotocin (STZ), and carbon tetrachloride (CCl4). Subsequently, the model rats were administrated by tail vein injection of PBS or ADSCs, respectively...
December 19, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29238978/use-of-autologous-adipose-derived-mesenchymal-stem-cells-for-creation-of-laryngeal-cartilage
#12
Hongji Zhang, Sherry Voytik-Harbin, Sarah Brookes, Lujuan Zhang, Joseph Wallace, Noah Parker, Stacey Halum
OBJECTIVES/HYPOTHESIS: Adipose-derived mesenchymal stem cells (ASCs) are an exciting potential cell source for tissue engineering because cells can be derived from the simple excision of autologous fat. This study introduces a novel approach for tissue-engineering cartilage from ASCs and a customized collagen oligomer solution, and demonstrates that the resultant cartilage can be used for laryngeal cartilage reconstruction in an animal model. STUDY DESIGN: Basic science experimental design...
December 14, 2017: Laryngoscope
https://www.readbyqxmd.com/read/29234944/investigating-the-mincing-method-for-isolation-of-adipose-derived-stem-cells-from-pregnant-women-fat
#13
Yuan-Sheng Li, Pao-Jen Chen, Li-Wei Wu, Pei-Wen Chou, Li-Yi Sun, Tzyy-Wen Chiou
The success of stem cell application in regenerative medicine, usually require a stable source of stem or progenitor cells. Fat tissue represents a good source of stem cells because it is rich in stem cells and there are fewer ethical issues related to the use of such stem cells, unlike embryonic stem cells. Therefore, there has been increased interest in adipose-derived stem cells (ADSCs) for tissue engineering applications. Here, we aim to provide an easy processing method for isolating adult stem cells from human adipose tissue harvested from the subcutaneous fat of the abdominal wall during gynecologic surgery...
December 12, 2017: Cytotechnology
https://www.readbyqxmd.com/read/29233982/cacul1-reciprocally-regulates-sirt1-and-lsd1-to-repress-ppar%C3%AE-and-inhibit-adipogenesis
#14
Min Jun Jang, Ui-Hyun Park, Jeong Woo Kim, Hanbyeul Choi, Soo-Jong Um, Eun-Joo Kim
Peroxisome proliferator-activated receptor γ (PPARγ) is the master regulator of adipocyte differentiation and is closely linked to the development of obesity. Despite great progress in elucidating the transcriptional network of PPARγ, epigenetic regulation of this pathway by histone modification remains elusive. Here, we found that CDK2-associated cullin 1 (CACUL1), identified as a novel SIRT1 interacting protein, directly bound to PPARγ through the co-repressor nuclear receptor (CoRNR) box 2 and repressed the transcriptional activity and adipogenic potential of PPARγ...
December 11, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29228666/granulocyte-colony-stimulating-factor-treatment-in-non-alcoholic-fatty-liver-disease-beyond-marrow-cell-mobilization
#15
Ho Hyun Nam, Dae Won Jun, Kiseok Jang, Waqar Khalid Saeed, Jai Sun Lee, Hyeon Tae Kang, Yeon Ji Chae
Protective effects of granulocyte colony stimulating factor (G-CSF) in acute liver injury via marrow cell mobilization have been reported in several studies. But exact mode of action and optimal protocol of G-CSF has been still doubt in chronic disease. Here we investigated mode of action and optimization of G-CSF as a treatment for non-alcoholic fatty liver disease (NAFLD). Various doses of conventional G-CSF (30 μg/kg once weekly, once daily for 5 days, twice weekly) and long acting G-CSF (30 μg/kg once a month) were evaluated in two kinds of NAFLD animal models to optimize the G-CSF protocol...
November 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29216630/rapamycin-promotes-the-survival-and-adipogenesis-of-ischemia-challenged-adipose-derived-stem-cells-by-improving-autophagy
#16
Chichi Li, Lechi Ye, Li Yang, Xiaofang Yu, Yucang He, Zhuojie Chen, Liqun Li, Dan Zhang
BACKGROUND/AIMS: Ischemia is one of the main causes of the high rate of absorption of transplanted autologous fat. Autophagy allows cells to survive by providing energy under starvation. Rapamycin has been found to play a role in promoting autophagy. In this study, we investigated whether rapamycin participates in the survival and adipogenesis of ischemia-challenged adipose-derived stem cells (ADSCs) by regulating autophagy. METHODS: Before the cells were exposed to oxygen-glucose deprivation (OGD), a simulated ischemic microenvironment, the level of autophagy was reduced or increased by lentiviral transfection with short hairpin RNA targeting microtubule-associated protein 1-light chain 3 gene (shRNA-LC3) or treatment with rapamycin, respectively...
December 6, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29215185/potential-of-autologous-adipose-derived-stem-cells-to-regenerate-atrophied-muscle-in-a-rat-model
#17
Ji Ung Park, Sung Tack Kwon
Muscle atrophy results in severe functional impairment and is a significant clinical problem. We examined and characterized the therapeutic effects of autologous adipose-derived stem cells (ADCSs) using an in vivo muscle atrophy rat model. To identify the effect of injected ADSCs into muscle, we developed the following two models of muscle atrophy in rats: induction of denervation by sciatic nerve defects; and nerve repair after severing the sciatic nerve. The inguinal fat pads were harvested from each rat and autologous ADSCs were cultured and ADSCs were injected in the right hind limbs as the experimental group, while normal saline was injected in the left hind limbs, which served as the control group...
December 7, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/29214313/rna-sequencing-gene-expression-profiling-of-orbital-adipose-derived-stem-cell-population-implicate-hox-genes-and-wnt-signaling-dysregulation-in-the-pathogenesis-of-thyroid-associated-orbitopathy
#18
Wensi Tao, Juan A Ayala-Haedo, Matthew G Field, Daniel Pelaez, Sara T Wester
Purpose: The purpose of this study was to characterize the intrinsic cellular properties of orbital adipose-derived stem cells (OASC) from patients with thyroid-associated orbitopathy (TAO) and healthy controls. Methods: Orbital adipose tissue was collected from a total of nine patients: four controls and five patients with TAO. Isolated OASC were characterized with mesenchymal stem cell-specific markers. Orbital adipose-derived stem cells were differentiated into three lineages: chondrocytes, osteocytes, and adipocytes...
December 1, 2017: Investigative Ophthalmology & Visual Science
https://www.readbyqxmd.com/read/29212384/articular-and-subcutaneous-adipose-tissues-of-rheumatoid-arthritis-patients-represent-equal-sources-of-immunoregulatory-mesenchymal-stem-cells
#19
Urszula Skalska, Ewa Kuca-Warnawin, Anna Kornatka, Iwona Janicka, Urszula Musiałowicz, Tomasz Burakowski, Ewa Kontny
Adipose-derived mesenchymal stem cells (ASCs) have immunoregulatory properties, but their activity is dependent on signals provided by the local microenvironment. It is likely that highly inflammatory milieu of rheumatoid joint affects ASCs activity. To test this hypothesis, the function of rheumatoid ASCs derived from articular adipose tissue (AT-ASCs) and ASCs derived from subcutaneous adipose tissue (Sc-ASCs) has been analysed. Articular adipose tissue (infrapatellar fat pad) and subcutaneous adipose tissue (from the site of skin closure with sutures) were obtained from rheumatoid arthritis (RA) patients undergoing total knee joint replacement surgery...
December 6, 2017: Autoimmunity
https://www.readbyqxmd.com/read/29207475/function-of-micrornas-in-the-osteogenic-differentiation-and-therapeutic-application-of-adipose-derived-stem-cells-ascs
#20
REVIEW
Walter M Hodges, Frederick O'Brien, Sadanand Fulzele, Mark W Hamrick
Traumatic wounds with segmental bone defects represent substantial reconstructive challenges. Autologous bone grafting is considered the gold standard for surgical treatment in many cases, but donor site morbidity and associated post-operative complications remain a concern. Advances in regenerative techniques utilizing mesenchymal stem cell populations from bone and adipose tissue have opened the door to improving bone repair in the limbs, spine, and craniofacial skeleton. The widespread availability, ease of extraction, and lack of immunogenicity have made adipose-derived stem cells (ASCs) particularly attractive as a stem cell source for regenerative strategies...
December 2, 2017: International Journal of Molecular Sciences
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