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https://www.readbyqxmd.com/read/28820907/positive-regulatory-interactions-between-yap-and-hedgehog-signalling-in-skin-homeostasis-and-bcc-development-in-mouse-skin-in-vivo
#1
Bassem Akladios, Veronica Mendoza Reinoso, Jason E Cain, Taopeng Wang, Duncan L Lambie, D Neil Watkins, Annemiek Beverdam
Skin is a highly plastic tissue that undergoes tissue turnover throughout life, but also in response to injury. YAP and Hedgehog signalling play a central role in the control of epidermal stem/progenitor cells in the skin during embryonic development, in postnatal tissue homeostasis and in skin carcinogenesis. However, the genetic contexts in which they act to control tissue homeostasis remain mostly unresolved. We provide compelling evidence that epidermal YAP and Hedgehog/GLI2 signalling undergo positive regulatory interactions in the control of normal epidermal homeostasis and in basal cell carcinoma (BCC) development, which in the large majority of cases is caused by aberrant Hedgehog signalling activity...
2017: PloS One
https://www.readbyqxmd.com/read/28814482/lrig1-gastric-isthmal-progenitor-cells-restore-normal-gastric-lineage-cells-during-damage-recovery-in-adult-mouse-stomach
#2
Eunyoung Choi, Tyler L Lantz, Gregory Vlacich, Theresa M Keeley, Linda C Samuelson, Robert J Coffey, James R Goldenring, Anne E Powell
OBJECTIVE: Lrig1 is a marker of proliferative and quiescent stem cells in the skin and intestine. We examined whether Lrig1-expressing cells are long-lived gastric progenitors in gastric glands in the mouse stomach. We also investigated how the Lrig1-expressing progenitor cells contribute to the regeneration of normal gastric mucosa by lineage commitment to parietal cells after acute gastric injury in mice. DESIGN: We performed lineage labelling using Lrig1-CreERT2/+;R26R-YFP/+ (Lrig1/YFP) or R26R-LacZ/+ (Lrig1/LacZ) mice to examine whether the Lrig1-YFP-marked cells are gastric progenitor cells...
August 16, 2017: Gut
https://www.readbyqxmd.com/read/28810255/ponatinib-induced-graft-versus-host-disease-graft-versus-leukemia-effect-in-a-patient-with-philadelphia-positive-acute-lymphoblastic-leukemia-without-the-t315i-mutation-relapsing-after-allogeneic-transplant
#3
Annamaria Petrungaro, Massimo Gentile, Carla Mazzone, Rosa Greco, Giuseppina Uccello, Anna Grazia Recchia, Laura De Stefano, Sabrina Bossio, Angela Palummo, Rosellina Morelli, Caterina Musolino, Fortunato Morabito, Ernesto Vigna
We describe the case of a patient with Philadelphia-positive acute lymphoblastic leukemia treated with dasatinib plus steroids as first-line therapy, who achieved a major molecular response (MMR) before undergoing matched, unrelated donor allogeneic stem cell transplant. Eleven months after the transplant, she experienced molecular relapse. Mutational screening showed negativity for the T315I mutation, The patient underwent a salvage chemotherapy regimen with clofarabine + cyclophosphamide + steroids and ponatinib (clofarabine 70 mg i...
August 16, 2017: Chemotherapy
https://www.readbyqxmd.com/read/28809824/creation-and-transplantation-of-an-adipose-derived-stem-cell-asc-sheet-in-a-diabetic-wound-healing-model
#4
Yuka Kato, Takanori Iwata, Kaoru Washio, Toshiyuki Yoshida, Hozue Kuroda, Shunichi Morikawa, Mariko Hamada, Kazuki Ikura, Nobuyuki Kaibuchi, Masayuki Yamato, Teruo Okano, Yasuko Uchigata
Artificial skin has achieved considerable therapeutic results in clinical practice. However, artificial skin treatments for wounds in diabetic patients with impeded blood flow or with large wounds might be prolonged. Cell-based therapies have appeared as a new technique for the treatment of diabetic ulcers, and cell-sheet engineering has improved the efficacy of cell transplantation. A number of reports have suggested that adipose-derived stem cells (ASCs), a type of mesenchymal stromal cell (MSC), exhibit therapeutic potential due to their relative abundance in adipose tissue and their accessibility for collection when compared to MSCs from other tissues...
August 4, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28806854/generation-of-xeno-free-cgmp-compliant-patient-specific-ipscs-from-skin-biopsy
#5
Luke A Wiley, Kristin R Anfinson, Cathryn M Cranston, Emily E Kaalberg, Malia M Collins, Robert F Mullins, Edwin M Stone, Budd A Tucker
This unit describes protocols for the generation of clinical-grade patient-specific induced pluripotent stem cell (iPSC)-derived retinal cells from patients with inherited retinal degenerative blindness. Specifically, we describe how, using xeno-free reagents in an ISO class 5 environment, one can isolate and culture dermal fibroblasts, generate iPSCs, and derive autologous retinal cells via 3-D differentiation. The universal methods described herein for the isolation of dermal fibroblasts and generation of iPSCs can be employed regardless of disease, tissue, or cell type of interest...
August 14, 2017: Current Protocols in Stem Cell Biology
https://www.readbyqxmd.com/read/28805446/epigallocatechin-gallate-as-an-anti-obesity-therapeutic-compound-an-in-silico-approach-for-structure-based-drug-designing
#6
Muhammad Shahid Javaid, Noreen Latief, Bushra Ijaz, Usman Ali Ashfaq
Epigallocatechin gallate is a polyphenol of tea plants. Other than tea its trace amounts are found in apple skin, onions and plums. It has anti-adipogenic and anti-oxidant potential. It was investigated that epigallocatechin gallate stopped the adipogenic differentiation of mice mesenchymal stem cells but its underlying mechanism is not well understood. Different proteins and transcription factors responsible for differentiation of adipocytes could be its targets. This study was designed to determine the potential target of epigallocatechin gallate in human...
August 14, 2017: Natural Product Research
https://www.readbyqxmd.com/read/28804549/treatment-effect-of-low-intensity-pulsed-ultrasound-on-leukopenia-induced-by-cyclophosphamide-in-rabbits
#7
Baoru Liu, Yueping Luo, Dong Luo, Weichen Zhou, Yu Zhang, Ruixin He, Junshu Li, Yong Wang, Yan Wang, Wenzhi Chen
OBJECTIVE: This study aims to examine the effects of low intensity pulsed ultrasound (LIPUS) on leukopenia induced by cyclophosphamide in a rabbit model. METHODS: The leukopenia model in New Zealand rabbit was established by injecting cyclophosphamide into the ear vein. Forty leukopenia model rabbits were randomly allocated to control group (n = 20) and LIPUS group (n = 20). LIPUS group underwent 20 minutes of daily ultrasound treatment at femoral metaphysis for 7 days while control group received sham treatment...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28796401/combination-cisplatin-and-sulforaphane-treatment-reduces-proliferation-invasion-and-tumor-formation-in-epidermal-squamous-cell-carcinoma
#8
Candace Kerr, Gautam Adhikary, Daniel Grun, Nicholas George, Richard L Eckert
Epidermal squamous cell carcinoma is an extremely common type of cancer. Early tumors can be successfully treated by surgery, but recurrent disease is aggressive and resistant to therapy. Cisplatin is often used as a treatment, but the outcome is rarely satisfactory. For this reason new strategies are required. Sulforaphane is a diet-derived cancer prevention agent that is effective in suppressing tumor growth in animal models of skin cancer. We monitored the efficacy of sulforaphane and cisplatin as a combined therapy for squamous cell carcinoma...
August 10, 2017: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/28793867/the-effect-of-nullomer-derived-peptides-9r-9s1r-and-124r-on-the-nci-60-panel-and-normal-cell-lines
#9
Abdelkrim Alileche, Greg Hampikian
BACKGROUND: Nullomer peptides are the smallest sequences absent from databases of natural proteins. We first began compiling a list of absent 5-amino acid strings in 2006 (1). We report here the effects of Nullomer-derived peptides 9R, 9S1R and 124R on the NCI-60 panel, derived from human cancers of 9 organs (kidney, ovary, skin melanoma, lung, brain, lung, colon, prostate and the hematopoietic system), and four normal cell lines (endothelial HUVEC, skin fibroblasts BJ, colon epithelial FHC and normal prostate RWPE-1)...
August 9, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28793248/replicable-expansion-and-differentiation-of-neural-precursors-from-adult-canine-skin
#10
Thomas Duncan, Aileen Lowe, Kuldip Sidhu, Perminder Sachdev, Trevor Lewis, Ruby C Y Lin, Vladimir Sytnyk, Michael Valenzuela
Repopulation of brain circuits by neural precursors is a potential therapeutic strategy for neurodegenerative disorders; however, choice of cell is critical. Previously, we introduced a two-step culture system that generates a high yield of neural precursors from small samples of adult canine skin. Here, we probe their gene and protein expression profiles in comparison with dermal fibroblasts and brain-derived neural stem cells and characterize their neuronal potential. To date, we have produced >50 skin-derived neural precursor (SKN) lines...
August 8, 2017: Stem Cell Reports
https://www.readbyqxmd.com/read/28792664/collagen-coated-nano-electrospun-pcl-seeded-with-human-endometrial-stem-cells-for-skin-tissue-engineering-applications
#11
Shiva Sharif, Jafar Ai, Mahmoud Azami, Javad Verdi, Mohammad Ali Atlasi, Sadegh Shirian, Ali Samadikuchaksaraei
Human endometrial stem cells (hEnSCs) are known as an attractive source of stem cells for regenerative medicine. hEnSCs are easily isolated and are capable of repairing uterine through their strong ability of creating new capillaries. In this study, a three-dimensional (3D) nanofibrous polycaprolactone (PCL)/collagen scaffold was fabricated and characterized in order to be applied as a new approach for skin reconstruction. Furthermore, the behavior of hEnSCs on this scaffold was investigated. First, a PCL 3D scaffold was constructed using electrospinning technique...
August 9, 2017: Journal of Biomedical Materials Research. Part B, Applied Biomaterials
https://www.readbyqxmd.com/read/28791605/laser-and-light-treatments-for-hair-reduction-in-fitzpatrick-skin-types-iv-vi-a-comprehensive-review-of-the-literature
#12
REVIEW
Rachel A Fayne, Marina Perper, Ariel E Eber, Adam S Aldahan, Keyvan Nouri
Unwanted facial and body hair presents as a common finding in many patients, such as females with hirsutism. With advances in laser and light technology, a clinically significant reduction in hair can be achieved in patients with light skin. However, in patients with darker skin, Fitzpatrick skin types (FST) IV-VI, the higher melanin content of the skin interferes with the proposed mechanism of laser-induced selective photothermolysis, which is to target the melanin in the hair follicle to cause permanent destruction of hair bulge stem cells...
August 8, 2017: American Journal of Clinical Dermatology
https://www.readbyqxmd.com/read/28791007/prospective-study-of-a-cohort-of-russian-nijmegen-breakage-syndrome-patients-demonstrating-predictive-value-of-low-kappa-deleting-recombination-excision-circle-krec-numbers-and-beneficial-effect-of-hematopoietic-stem-cell-transplantation-hsct
#13
Elena Deripapa, Dmitry Balashov, Yulia Rodina, Alexandra Laberko, Natalya Myakova, Nataliia V Davydova, Maria A Gordukova, Dmitrii S Abramov, Galina V Pay, Larisa Shelikhova, Andrey P Prodeus, Mikhail A Maschan, Alexey A Maschan, Anna Shcherbina
BACKGROUND: Nijmegen breakage syndrome (NBS) is a combined primary immunodeficiency with DNA repair defect, microcephaly, and other phenotypical features. It predominantly occurs in Slavic populations that have a high frequency of carriers with the causative NBN gene c.657_661del5 mutation. Due to the rarity of the disease in the rest of the world, studies of NBS patients are few. Here, we report a prospective study of a cohort of Russian NBS patients. METHODS: 35 Russian NBS patients of ages 1-19 years, referred to our Center between years 2012 and 2016, were prospectively studied...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28783870/cxcr4-antagonist-delivery-on-decellularized-skin-scaffold-facilitates-impaired-wound-healing-in-diabetic-mice-by-increasing-expression-of-sdf-1-and-enhancing-migration-of-cxcr4-positive-cells
#14
Hao Liu, Hanping Liu, Xiaoyuan Deng, Maosheng Chen, Xue Han, Wenxia Yan, Ning Wang
C-X-C chemokine receptor type 4 (CXCR4) is an alpha-chemokine receptor specific for stromal cell-derived factor 1 (SDF-1 also called CXCL12). The antagonist of CXCR4 can mobilize CD34+ cells and hematopoietic stem cells from bone marrow within several hours, and it has an efficacy on diabetes ulcer through acting on the SDF-1/CXCR4 axis. In this study, we investigated for the first time whether the antagonist of CXCR4 (Plerixafor/AMD3100) delivered on acellular dermal matrix (ADM) may accelerate diabetes-impaired wound healing...
June 8, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28783732/correction-of-aberrant-growth-preserves-tissue-homeostasis
#15
Samara Brown, Cristiana M Pineda, Tianchi Xin, Jonathan Boucher, Kathleen C Suozzi, Sangbum Park, Catherine Matte-Martone, David G Gonzalez, Julie Rytlewski, Slobodan Beronja, Valentina Greco
Cells in healthy tissues acquire mutations with surprising frequency. Many of these mutations are associated with abnormal cellular behaviours such as differentiation defects and hyperproliferation, yet fail to produce macroscopically detectable phenotypes. It is currently unclear how the tissue remains phenotypically normal, despite the presence of these mutant cells. Here we use intravital imaging to track the fate of mouse skin epithelium burdened with varying numbers of activated Wnt/β-catenin stem cells...
August 2, 2017: Nature
https://www.readbyqxmd.com/read/28782844/long-term-management-with-adipose-tissue-derived-mesenchymal-stem-cells-and-conventional-treatment-in-a-dog-with-hepatocutaneous-syndrome
#16
A Nam, S-M Han, D-M Go, D-Y Kim, K-W Seo, H-Y Youn
Hepatocutaneous syndrome (HS) is an uncommon skin disorder that occurs in conjunction with liver disease and is diagnosed based on decreased plasma concentrations of amino acids and the histopathology of skin lesions. The survival period generally is <6 months. A 10-year-old castrated male Maltese dog was presented for evaluation of lethargy, polyuria, polydipsia, and skin lesions including alopecia, erythema, and crusts. Based on increased liver enzyme activity, low plasma amino acid concentrations, and findings from liver cytology and skin biopsy, the dog was diagnosed with HS...
August 7, 2017: Journal of Veterinary Internal Medicine
https://www.readbyqxmd.com/read/28782570/nanomedicine-and-advanced-technologies-for-burns-preventing-infection-and-facilitating-wound-healing
#17
Mirza Ali Mofazzal Jahromi, Parham Sahandi Zangabad, Seyed Masoud Moosavi Basri, Keyvan Sahandi Zangabad, Ameneh Ghamarypour, Amir R Aref, Mahdi Karimi, Michael R Hamblin
According to the latest report from the World Health Organization, an estimated 265,000 deaths still occur every year as a direct result of burn injuries. A widespread range of these deaths induced by burn wound happens in low- and middle-income countries, where survivors face a lifetime of morbidity. Most of the deaths occur due to infections when a high percentage of the external regions of the body area is affected. Microbial nutrient availability, skin barrier disruption, and vascular supply destruction in burn injuries as well as systemic immunosuppression are important parameters that cause burns to be susceptible to infections...
August 3, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28777946/engineered-epidermal-progenitor-cells-can-correct-diet-induced-obesity-and-diabetes
#18
Jiping Yue, Xuewen Gou, Yuanyuan Li, Barton Wicksteed, Xiaoyang Wu
Somatic gene therapy is a promising approach for treating otherwise terminal or debilitating diseases. The human skin is a promising conduit for genetic engineering, as it is the largest and most accessible organ, epidermal autografts and tissue-engineered skin equivalents have been successfully deployed in clinical applications, and skin epidermal stem/progenitor cells for generating such grafts are easy to obtain and expand in vitro. Here, we develop skin grafts from mouse and human epidermal progenitors that were engineered by CRISPR-mediated genome editing to controllably release GLP-1 (glucagon-like peptide 1), a critical incretin that regulates blood glucose homeostasis...
August 3, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28777943/mesenchymal-stem-cells-in-fibrotic-disease
#19
REVIEW
Elie El Agha, Rafael Kramann, Rebekka K Schneider, Xiaokun Li, Werner Seeger, Benjamin D Humphreys, Saverio Bellusci
Fibrosis is associated with organ failure and high mortality and is commonly characterized by aberrant myofibroblast accumulation. Investigating the cellular origin of myofibroblasts in various diseases is thus a promising strategy for developing targeted anti-fibrotic treatments. Recent studies using genetic lineage tracing technology have implicated diverse organ-resident perivascular mesenchymal stem cell (MSC)-like cells and bone marrow-MSCs in myofibroblast generation during fibrosis development. In this Review, we give an overview of the emerging role of MSCs and MSC-like cells in myofibroblast-mediated fibrotic disease in the kidney, lung, heart, liver, skin, and bone marrow...
August 3, 2017: Cell Stem Cell
https://www.readbyqxmd.com/read/28777938/engineering-skin-with-skinny-genes
#20
Anika Böttcher, Heiko Lickert, Matthias Tschöp
The increasing prevalence of obesity and diabetes is an urgent worldwide health challenge. Now in Cell Stem Cell, Yue et al. (2017) report a proof-of-concept study using genetically engineered skin transplants that produce the incretin GLP-1 to prevent diet-induced obesity, suggesting a powerful approach for treating metabolic disorders.
August 3, 2017: Cell Stem Cell
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