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Diabetes regeneration

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https://www.readbyqxmd.com/read/28645526/injury-induced-gp130-cytokine-signaling-in-peripheral-ganglia-is-reduced-in-diabetes-mellitus
#1
Jon P Niemi, Angela R Filous, Alicia DeFrancesco, Jane A Lindborg, Nisha A Malhotra, Gina N Wilson, Bowen Zhou, Samuel D Crish, Richard E Zigmond
Neuropathy is a major diabetic complication. While the mechanism of this neuropathy is not well-understood, it is believed to result in part from deficient nerve regeneration. Work from our laboratory established that gp130 family of cytokines are induced in animals after axonal injury and are involved in the induction of regeneration-associated genes (RAGs) and in the conditioning lesion response. Here, we examine whether a reduction of cytokine signaling occurs in diabetes. Streptozotocin (STZ) was used to destroy pancreatic β cells, leading to chronic hyperglycemia...
June 20, 2017: Experimental Neurology
https://www.readbyqxmd.com/read/28644234/efficacy-of-sodium-hyaluronate-in-murine-diabetic-ocular-surface-diseases
#2
Guohu Di, Xia Qi, Xiaowen Zhao, Songmei Zhang, Qingjun Zhou
PURPOSE: To evaluate the efficacy of sodium hyaluronate (HA) eye drops for the treatment of diabetic ocular surface diseases in mice. METHODS: Male 6- to 8-week-old C57BL/6 mice underwent induction of type 1 diabetes with intraperitoneal injections of streptozotocin, with normal mice as the control. Topical 0.3% HA, 0.1% HA, 0.4% polyethylene glycol eye drops, and normal saline were administered to diabetic mice with an intact or debrided corneal epithelium. Normal saline was applied in the controls...
June 21, 2017: Cornea
https://www.readbyqxmd.com/read/28643424/mdm2-is-implicated-in-high-glucose-induced-podocyte-mitotic-catastrophe-via-notch1-signalling
#3
Hui Tang, Chun-Tao Lei, Chen Ye, Pan Gao, Cheng Wan, Shan Chen, Fang-Fang He, Yu-Mei Wang, Hua Su, Chun Zhang
Podocyte injury and depletion are essential events involved in the pathogenesis of diabetic nephropathy (DN). As a terminally differentiated cell, podocyte is restricted in 'post-mitosis' state and unable to regenerate. Re-entering mitotic phase will cause podocyte disastrous death which is defined as mitotic catastrophe (MC). Murine double minute 2 (MDM2), a cell cycle regulator, is widely expressed in renal resident cells including podocytes. Here, we explore whether MDM2 is involved in podocyte MC during hyperglycaemia...
June 23, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28643176/a-promising-tool-in-retina-regeneration-current-perspectives-and-challenges-when-using-mesenchymal-progenitor-stem-cells-in-veterinary-and-human-ophthalmological-applications
#4
REVIEW
Anna Cislo-Pakuluk, Krzysztof Marycz
Visual impairment is a common ailment of the current world population, with more exposure to CCD screens and fluorescent lighting, approximately 285 billion people suffer from this deficiency and 13% of those are considered clinically blind. More common causes for visual impairment include age-related macular degeneration (AMD), glaucoma and diabetic retinopathy (Zhu et al. Molecular Medicine Reports, 2015; Kolb et al. 2007; Machalińska et al. Current Eye Research, 34(9),748-760, 2009) among a few. As cases of retinal and optic nerve diseases rise, it is vital to find a treatment, which has led to investigation of the therapeutic potential of various stem cells types (Bull et al...
June 22, 2017: Stem Cell Reviews
https://www.readbyqxmd.com/read/28639375/challenges-in-regenerating-the-diabetic-heart-a-comprehensive-review
#5
REVIEW
Venkata R Satthenapalli, Regis R Lamberts, Rajesh Katare
Stem cell therapy is one of the promising regenerative strategies developed to improve cardiac function in patients with ischemic heart diseases (IHD). However, this approach is limited in IHD patients with diabetes due to a progressive decline in the regenerative capacity of stem cells. This decline is mainly attributed to the metabolic memory incurred by diabetes on stem cell niche and their systemic cues. Understanding the molecular pathways involved in the diabetes-induced deterioration of stem cell function will be critical for developing new cardiac regeneration therapies...
June 22, 2017: Stem Cells
https://www.readbyqxmd.com/read/28633150/hexapod-frame-stacked-transport-for-tibial-infected-nonunions-with-bone-loss-analysis-of-use-of-adjunctive-stability
#6
Joshua K Napora, Douglas S Weinberg, Blake A Eagle, Bram R Kaufman, John K Sontich
OBJECTIVES: The stacked hexapod bone transport technique is an effective treatment for infected tibial nonunions with bone loss. The purpose of this study was to evaluate the patients' risk factors and timing for requiring adjunctive stabilization. DESIGN: Retrospective cohort study. SETTING: Level 1 trauma center. PATIENTS/PARTICIPANTS: Seventy-five patients with infected posttraumatic nonunions of the tibia. INTERVENTION: Resection of nonunion with application of stacked hexapod frame for bone transport...
July 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28624657/adiponectin-improves-the-osteointegration-of-titanium-implant-under-diabetic-conditions-by-reversing-mitochondrial-dysfunction-via-the-ampk-pathway-in-vivo-and-in-vitro
#7
Xiao-Fan Hu, Lin Wang, Yi-Zhao Lu, Geng Xiang, Zi-Xiang Wu, Ya-Bo Yan, Yang Zhang, Xiong Zhao, Yuan Zang, Lei Shi, Wei Lei, Ya-Fei Feng
Diabetes-induced reactive oxygen species (ROS) overproduction would result in compromised osteointegration of titanium implant (TI) and high rate of implant failure, yet the underlying mechanisms remain elusive. Adiponectin (APN) is a fat-derived adipocytokine with strong antioxidant, mitochondrial-protective and anti-diabetic efficacies. We hypothesized that mitochondrial dysfunction under diabetes may account for the oxidative stress in osteoblasts and titanium-bone interface (TBI) instability, which could be ameliorated by APN...
June 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28618324/stem-cells-an-emerging-novel-therapeutic-for-type-1-diabetes-mellitus
#8
Umang G Thakkar, Aruna V Vanikar, Hargovind L Trivedi
Stem cell based strategies are therapeutically potent for treating type-1 diabetes mellitus owing to their intrinsic regenerative capacity and immunomodulatory properties to arrest autoimmune β-cell destruction, preserve residual β-cell mass, facilitate endogenous regeneration, ameliorate innate/ alloimmune graft rejection, restore β-cell-specific unresponsiveness in absence of chronic immunosuppression and to reverse hyperglycemia.
April 19, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28616360/current-advancements-and-strategies-in-tissue-engineering-for-wound-healing-a-comprehensive-review
#9
REVIEW
Jasmine Ho, Claire Walsh, Dominic Yue, Alan Dardik, Umber Cheema
Significance: With an aging population leading to an increase in diabetes and associated cutaneous wounds, there is a pressing clinical need to improve wound-healing therapies. Recent Advances: Tissue engineering approaches for wound healing and skin regeneration have been developed over the past few decades. A review of current literature has identified common themes and strategies that are proving successful within the field: The delivery of cells, mainly mesenchymal stem cells, within scaffolds of the native matrix is one such strategy...
June 1, 2017: Advances in Wound Care
https://www.readbyqxmd.com/read/28597935/failure-rates-of-artificial-dermis-products-in-treatment-of-diabetic-foot-ulcer-a-systematic-review-and-network-meta-analysis
#10
Huidi Tchero, Christian Herlin, Farid Bekara, Pauline Kangambega, Fluieraru Sergiu, Luc Teot
Diabetic foot ulcer (DFU) is a frequent complication in diabetic patients, occurring in up to 25% of those affected. Among the treatments available to clinicians, the use of bioengineered skin substitutes is an attractive alternative. Artificial dermis functions as a matrix, covering the wound and supporting healing and reconstruction of the lost tissue. This study was aimed at reviewing the use of five regeneration matrices (namely, Integra, Nevelia, Matriderm, Pelnac, and Renoskin) as reported by clinical trials...
June 8, 2017: Wound Repair and Regeneration
https://www.readbyqxmd.com/read/28597418/influence-of-led-light-spectra-on-in-vitro-somatic-embryogenesis-and-lc-ms-analysis-of-chlorogenic-acid-and-rutin-in-peucedanum-japonicum-thunb-a-medicinal-herb
#11
Chia-Chen Chen, Dinesh Chandra Agrawal, Maw-Rong Lee, Ren-Jye Lee, Chao-Lin Kuo, Chi-Rei Wu, Hsin-Sheng Tsay, Hung-Chi Chang
BACKGROUND: Peucedanum japonicum Thunb, an important medicinal herb is reported to possess pharmacological properties such as anti-obesity, anti-oxidant, anti-inflammatory, anti-bacterial, anti-diabetic and anti-platelet aggregation. The present study aimed to develop an in vitro plant regeneration system of P. japonicum via somatic embryogenesis and to analyse chlorogenic acid and rutin contents in a few commercially available plant products of P. japonicum in Japan and Taiwan markets, and tissue culture plants derived from somatic embryos...
December 2016: Botanical Studies (Taipei, Taiwan)
https://www.readbyqxmd.com/read/28595815/adipose-derived-stem-cells-seeded-in-pluronic-f-127-hydrogel-promotes-diabetic-wound-healing
#12
Lin Kaisang, Wang Siyu, Fan Lijun, Pan Daoyan, Cory J Xian, Shen Jie
BACKGROUND: Chronic nonhealing wound is a multifactorial complication of diabetes that results specifically as a consequence of impaired angiogenesis and currently lacks in effective treatments. Although a stem cell-based therapy may provide a novel treatment to augment diabetic wound healing, inferior cell survival at the diabetic skin wound is one of the key causes that are responsible for the low efficacy of the stem cell therapy. MATERIALS AND METHODS: In this work, we used an injectable, biocompatible, and thermosensitive hydrogel Pluronic F-127 to encapsulate allogeneic nondiabetic adipose-derived stem cells (ADSCs) and topically applied the cells to a full-thickness cutaneous wound in the streptozotocin-induced diabetic model in rats...
May 5, 2017: Journal of Surgical Research
https://www.readbyqxmd.com/read/28595528/type-1-diabetes-treatments-based-on-stem-cells
#13
Miriam Araña, Anujith Kumar, Ashwini Ashwathnarayan, Maher Atari, Miguel Barajas
More than a decade ago, a new research field named Stem Cell Therapy emerged in Health Science. Initially, it was considered that cells owned a differentiation capability; however, this dogma has changed when new results have been published regarding the ability of the cells to differentiate into different cell tissue mainly due to the novel reprogramming strategies. Accordingly, cells from an adult tissue source may be potentially capable of originating cells of a very different cell type. The possibility of transplanting these cells into damaged organs has triggered many studies to understand the plasticity of stem cells...
June 9, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28594903/the-role-of-bone-marrow-mesenchymal-stromal-cell-derivatives-in-skin-wound-healing-in-diabetic-mice
#14
Tomas de Mayo, Paulette Conget, Silvia Becerra-Bayona, Claudia L Sossa, Virgilio Galvis, Martha L Arango-Rodríguez
Mesenchymal stromal cells (MSCs) have shown to be a promising tool in cell therapies to treat different conditions. Several pre-clinical and clinical studies have proved that the transplantation of MSCs improves wound healing. Here, we compare the beneficial effects of mouse bone marrow-derived allogeneic MSCs (allo-mBM-MSCs) and their acelullar derivatives (allo-acd-mMSCs) on skin wound healing in Non-Obese Diabetic (NOD) mice. One dose of allo-mBM-MSCs (1×106 cells) or one dose of allo-acd-mMSCs (1X) were intradermally injected around wounds in 8-10 week old female NOD mice...
2017: PloS One
https://www.readbyqxmd.com/read/28592408/recovery-of-corneal-sensitivity-and-increase-in-nerve-density-and-wound-healing-in-diabetic-mice-after-pedf-plus-dha-treatment
#15
Jiucheng He, Thang Luong Pham, Azucena Kakazu, Haydee E P Bazan
Diabetic keratopathy decreases corneal sensation and tear secretion, and delays wound healing after injury. In the current study, we tested the effect of treatment with pigment epithelium-derived factor (PEDF) in combination with docosahexaenoic acid (DHA) on corneal nerve regeneration in a mouse model of diabetes with or without corneal injury. The study was performed in streptozotocin (STZ)-induced diabetic mice (C57BL/6). Ten weeks after STZ injection, diabetic mice showed significant decreases of corneal sensitivity, tear production and epithelial subbasal nerve density when compared with age-matched normal mice...
June 7, 2017: Diabetes
https://www.readbyqxmd.com/read/28592135/low-pressure-low-flow-voiding-dysfunction-in-an-elderly-male-treated-through-ayurveda-a-case-report
#16
Sanjeev Rastogi
INTRODUCTION: Neurogenic bladder is a common urological condition among elderly. It results in incontinence or retention of the urine depending on the synergy of bladder smooth muscles and urethral sphincter. There can also be a condition where retention causes overflow incontinence. Retention of urine in this condition is caused by relative lack of contractility of bladder smooth muscles in response to the stretch reflex. As a result, there is no urge and therefore the bladder remains over-distended causing retention of urine...
January 1, 2017: Journal of Evidence-based Complementary & Alternative Medicine
https://www.readbyqxmd.com/read/28589841/targeted-ablation-of-pancreatic-%C3%AE-cells-in-medaka
#17
Takayoshi Otsuka, Hiroyuki Takeda
The pancreas plays important roles in the regulation of blood glucose, and is a well-studied organ in mammals because its dysfunction causes serious disorders, such as diabetes mellitus. However, mammals have the limited capacity for tissue regeneration in their organs, including pancreas. Fish may be an attractive model for regeneration studies, as fish exhibit a greater capacity for regeneration than do mammals. To elucidate the regenerative capacity of pancreatic β cells in medaka, we generated transgenic lines, in which β cells can be specifically ablated using the nitroreductase (NTR)/metronidazole (Mtz) system...
June 2017: Zoological Science
https://www.readbyqxmd.com/read/28580283/foxa2-and-pdx1-cooperatively-regulate-postnatal-maturation-of-pancreatic-%C3%AE-cells
#18
Aimée Bastidas-Ponce, Sara S Roscioni, Ingo Burtscher, Erik Bader, Michael Sterr, Mostafa Bakhti, Heiko Lickert
OBJECTIVE: The transcription factors (TF) Foxa2 and Pdx1 are key regulators of beta-cell (β-cell) development and function. Mutations of these TFs or their respective cis-regulatory consensus binding sites have been linked to maturity diabetes of the young (MODY), pancreas agenesis, or diabetes susceptibility in human. Although Foxa2 has been shown to directly regulate Pdx1 expression during mouse embryonic development, the impact of this gene regulatory interaction on postnatal β-cell maturation remains obscure...
June 2017: Molecular Metabolism
https://www.readbyqxmd.com/read/28577185/light-emitting-diode-modulates-carbohydrate-metabolism-by-pancreatic-duct-regeneration
#19
José Carlos Tatmatsu-Rocha, Cynthia Aparecida de Castro, Marcela Sene-Fiorese, Nivaldo Antonio Parizotto
Pancreatic lesions can produce metabolic disorders. Light-emitting diode (LED) has been used as a safe and effective phototherapy for cell proliferation and regeneration. We investigate the effects of phototherapy using LED irradiation on the pancreas after the injection of streptozotocin (STZ) to induce experimental diabetes and evaluate that the β cells can regenerate in the pancreas in an in vivo model and observe its implications on the control of carbohydrate metabolism. Twenty Wistar rats were randomized into three groups: non-diabetic control, diabetic control, and diabetic treated with LED...
June 3, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28577176/complement-c5a-induces-mesenchymal-stem-cell-apoptosis-during-the-progression-of-chronic-diabetic-complications
#20
Ming Zhu, Xiao He, Xiao-Hui Wang, Wei Qiu, Wei Xing, Wei Guo, Tian-Chen An, Luo-Quan Ao, Xue-Ting Hu, Zhan Li, Xiao-Ping Liu, Nan Xiao, Jian Yu, Hong Huang, Xiang Xu
AIMS/HYPOTHESIS: Regeneration and repair mediated by mesenchymal stem cells (MSCs) are key self-protection mechanisms against diabetic complications, a reflection of diabetes-related cell/tissue damage and dysfunction. MSC abnormalities have been reported during the progression of diabetic complications, but little is known about whether a deficiency in these cells plays a role in the pathogenesis of this disease. In addition to MSC resident sites, peripheral circulation is a major source of MSCs that participate in the regeneration and repair of damaged tissue...
June 3, 2017: Diabetologia
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