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Ankle stem cell

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https://www.readbyqxmd.com/read/27871421/mesenchymal-stem-cell-bearing-sutures-for-tendon-repair-and-healing-in-the-foot-and-ankle
#1
REVIEW
Eric W Tan, Lew C Schon
Improving the quality and strength of soft tissue repairs remains an important area of orthopedic research and innovation. The need for immobilization and early motion is an important balance essential for the successful treatment of tendon repair and reconstruction. Mesenchymal stem cell (MSC)-bearing sutures represent an emerging biological augmentation to traditional suture repair. Two previous large studies using stem cell sutures in rat Achilles tendon models have demonstrated early increased biomechanical strength and significantly increased ultimate failure strength...
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27830541/achievement-of-disease-control-with-donor-derived-eb-virus-specific-cytotoxic-t-cells-after-allogeneic-peripheral-blood-stem-cell-transplantation-for-aggressive-nk-cell-leukemia
#2
Shojiro Haji, Motoaki Shiratsuchi, Takamitsu Matsushima, Akiko Takamatsu, Mariko Tsuda, Yasuhiro Tsukamoto, Emi Tanaka, Hirofumi Ohno, Eriko Fujioka, Yuriko Ishikawa, Ken-Ichi Imadome, Yoshihiro Ogawa
Aggressive NK-cell leukemia (ANKL) is characterized by systemic infiltration of Epstein-Barr virus (EBV)-associated natural killer cells and poor prognosis. We report a case of ANKL in which EBV-specific cytotoxic T lymphocytes (CTLs) were induced. A 41-year-old male suffered from fever, pancytopenia, and hepatosplenomegaly. The number of abnormal large granular lymphocytes in the bone marrow was increased and the cells were positive for CD56 and EBV-encoded small nuclear RNAs. The patient was diagnosed with ANKL and achieved a complete response following intensive chemotherapy...
November 9, 2016: International Journal of Hematology
https://www.readbyqxmd.com/read/27736950/episomal-induced-pluripotent-stem-cells-promote-functional-recovery-of-transected-murine-peripheral-nerve
#3
Charles Yuen Yung Loh, Aline Yen Ling Wang, Huang-Kai Kao, Esteban Cardona, Sheng-Hao Chuang, Fu-Chan Wei
Traumatic peripheral nerve neurotmesis occurs frequently and functional recovery is often slow and impaired. Induced pluripotent stem cells (iPSCs) have shown much promise in recent years due to its regenerative properties similar to that of embryonic stem cells. However, the potential of iPSCs in promoting the functional recovery of a transected peripheral nerve is largely unknown. This study is the first to investigate in vivo effects of episomal iPSCs (EiPSCs) on peripheral nerve regeneration in a murine sciatic nerve transection model...
2016: PloS One
https://www.readbyqxmd.com/read/27651981/improved-cartilage-regeneration-by-implantation-of-acellular-biomaterials-after-bone-marrow-stimulation-a-systematic-review-and-meta-analysis-of-animal-studies
#4
Michiel W Pot, Veronica K Gonzales, Pieter Buma, Joanna IntHout, Toin H van Kuppevelt, Rob B M de Vries, Willeke F Daamen
Microfracture surgery may be applied to treat cartilage defects. During the procedure the subchondral bone is penetrated, allowing bone marrow-derived mesenchymal stem cells to migrate towards the defect site and form new cartilage tissue. Microfracture surgery generally results in the formation of mechanically inferior fibrocartilage. As a result, this technique offers only temporary clinical improvement. Tissue engineering and regenerative medicine may improve the outcome of microfracture surgery. Filling the subchondral defect with a biomaterial may provide a template for the formation of new hyaline cartilage tissue...
2016: PeerJ
https://www.readbyqxmd.com/read/27651800/umbilical-cord-derived-mesenchymal-stem-cells-relieve-hindlimb-ischemia-through-enhancing-angiogenesis-in-tree-shrews
#5
Cunping Yin, Yuan Liang, Jian Zhang, Guangping Ruan, Zian Li, Rongqing Pang, Xinghua Pan
Hindlimb ischemia is still a clinical problem with high morbidity and mortality. Patients suffer from consequent rest pain, ulcers, cool limbs, and even amputation. Angiogenesis is a promising target for the treatment of ischemic limbs, providing extra blood for the ischemic region. In the present study, we investigated the role of umbilical cord-derived mesenchymal stem cells (UC-MSCs) in regulating angiogenesis and relieving hindlimb ischemia. UC-MSCs were isolated from the umbilical cord of tree shrews. Angiography results showed that UC-MSCs injection significantly promoted angiogenesis in tree shrews...
2016: Stem Cells International
https://www.readbyqxmd.com/read/27649406/comparing-the-efficacy-of-viable-cryopreserved-placental-membrane-for-the-treatment-of-wounds-of-diverse-etiologies
#6
Derek S Anselmo, Marc Karpo, Ebony Love, Tracey Vlahovic
INTRODUCTION AND OBJECTIVES: The benefits of using amniotic tissue in skin regeneration are well documented. Today, cryopreservation technology allows for better availability and maintenance of mesenchymal stem cells. This is of particular interest in treating the diabetic foot ulcer as this population has fewer mesenchymal stem cells. The objective of this case series investigation was to compare the efficacy of cryopreserved human amniotic stem cells in treating foot wounds of different etiologies...
September 2016: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/27219884/clinical-evaluation-of-human-umbilical-cord-mesenchymal-stem-cell-transplantation-after-angioplasty-for-diabetic-foot
#7
H L Qin, X H Zhu, B Zhang, L Zhou, W Y Wang
Aims: The multilineage differentiation potential of human umbilical cord mesenchymal stem cells (HUCMSCs) holds therapeutic promise for non-healing ulcers and tissue regeneration. The present study evaluated the effects of HUCMSC transplantation after angioplasty for treatment of diabetic foot. Methods: Included in the study were 53 patients (72 limbs) with severe symptoms of Fontaine II-IV diabetic foot accompanied by varying degrees of lower extremity arterial disease. The patients were randomly apportioned to a control group (25 patients; 38 limbs) or an experimental group (28 patients; 34 limbs)...
May 24, 2016: Experimental and Clinical Endocrinology & Diabetes
https://www.readbyqxmd.com/read/27206975/additional-mesenchymal-stem-cell-injection-improves-the-outcomes-of-marrow-stimulation-combined-with-supramalleolar-osteotomy-in-varus-ankle-osteoarthritis-short-term-clinical-results-with-second-look-arthroscopic-evaluation
#8
Yong Sang Kim, Moses Lee, Yong Gon Koh
BACKGROUND: Supramalleolar osteotomy (SMO) is reported to be an effective treatment for varus ankle osteoarthritis by redistributing the load line within the ankle joint. Mesenchymal stem cells (MSCs) have been proposed as a new treatment option for osteoarthritis on the basis of their cartilage regeneration ability. The purpose of this study was to compare the clinical, radiological, and second-look arthroscopic outcomes between MSC injection with marrow stimulation and marrow stimulation alone in patients with varus ankle osteoarthritis who have undergone SMO...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/27151452/editorial-commentary-precise-nomenclature-is-critical-for-evaluating-progress-in-the-field-of-lipoaspirate-derived-stem-cell-therapy
#9
EDITORIAL
Lisa A Fortier
In a Level III study, the addition of adipose-based cell therapy significantly improved the clinical outcome and arthroscopic appearance of articular cartilage in patients with osteoarthritic varus ankles that were treated with the combinational operative techniques of lateral sliding calcaneal osteotomy and microfracture. Use of adipose-based therapies from lipoaspirate is increasing, with many different types of processing available, resulting in very different biological products. The mesenchymal stem cell therapy terminology used in the article could be more precise, and the contribution of adipose cells to the outcome is confounded by the surgical procedures performed...
May 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27026621/a-multi-center-analysis-of-adverse-events-among-two-thousand-three-hundred-and-seventy-two-adult-patients-undergoing-adult-autologous-stem-cell-therapy-for-orthopaedic-conditions
#10
Christopher J Centeno, Hasan Al-Sayegh, Michael D Freeman, Jay Smith, William D Murrell, Rostyslav Bubnov
INTRODUCTION: The purpose of the present investigation is to report on detailed complications among a much larger group of 2372 orthopaedic patients treated with stem cell injections who were followed in a treatment registry for up to nine years. METHODS: All patients underwent an MSC-based, percutaneous injection treatment of an orthopaedic condition between December 2005 and September 2014 at one of 18 clinical facilities. Treated areas of the body included the knee, hip, ankle/foot, hand/wrist, elbow, shoulder, and spine...
August 2016: International Orthopaedics
https://www.readbyqxmd.com/read/26993668/injection-of-mesenchymal-stem-cells-as-a-supplementary-strategy-of-marrow-stimulation-improves-cartilage-regeneration-after-lateral-sliding-calcaneal-osteotomy-for-varus-ankle-osteoarthritis-clinical-and-second-look-arthroscopic-results
#11
Yong Sang Kim, Yong Gon Koh
PURPOSE: To compare the clinical and second-look arthroscopic outcomes in patients undergoing arthroscopic marrow stimulation combined with lateral sliding calcaneal osteotomy for varus ankle osteoarthritis, with or without adipose-derived mesenchymal stem cell (MSC) injection. METHODS: In this retrospective comparative study, 49 patients with varus ankle osteoarthritis underwent second-look arthroscopy after arthroscopic marrow stimulation combined with lateral sliding calcaneal osteotomy between January 2010 and November 2012; 23 ankles underwent marrow stimulation alone (group 1), and 26 underwent marrow stimulation with MSC injection (group 2)...
May 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/26915003/joint-sparing-treatments-in-early-ankle-osteoarthritis-current-procedures-and-future-perspectives
#12
Francesco Castagnini, Camilla Pellegrini, Luca Perazzo, Francesca Vannini, Roberto Buda
Ankle osteoarthritis (AOA) is a severe pathology, mostly affecting a post-traumatic young population. Arthroscopic debridement, arthrodiastasis, osteotomy are the current joint sparing procedures, but, in the available studies, controversial results were achieved, with better outcomes in case of limited degeneration. Only osteotomy in case of malalignment is universally accepted as a joint sparing procedure in case of partial AOA. Recently, the biological mechanism of osteoarthritis has been intensively studied: it is a whole joint pathology, affecting cartilage, bone and synovial membrane...
December 2016: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/26914127/autologous-peripheral-blood-stem-cell-transplantation-to-treat-thromboangiitis-obliterans-preliminary-results
#13
J Wan, Y Yang, Z-H Ma, Y Sun, Y-Q Liu, G-J Li, G-M Zhang
OBJECTIVE: To investigate the efficiency of autologous peripheral blood stem cell transplantation (APBSCT) to treat severe the lower limbs ischemia caused by thromboangiitis obliterans (TAO). PATIENTS AND METHODS: From April 2007 to December 2014, a total of 64 patients with TAO (80 affected limbs) received APBSCT at our hospital. The treatment effect was evaluated by subjective indicators including pains and cold sensation of the affected limbs, combined with objective indicators including claudication distance, ankle brachial index (ABI), transcutaneous oxygen pressure (TcPO2) and skin temperature...
2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/26904526/osteochondral-repair-in-hemophilic-ankle-arthropathy-from-current-options-to-future-perspectives
#14
Roberto Buda, Marco Cavallo, Francesco Castagnini, Enrico Ferranti, Simone Natali, Sandro Giannini
Young hemophilic patients are frequently affected by ankle arthropathy. At the end stage of the disease, the current treatments are arthrodesis and arthroplasty, which have significant drawbacks. Validated procedures capable of slowing down or even arresting the progression towards the end stage are currently lacking. This review aims to discuss the rationale for and feasibility of applying, in mild hemophilic ankle arthropathy, the main techniques currently used to treat osteochondral defects, focusing in particular on ankle distraction, chondrocyte implantation, mesenchymal stem cell transplantation, allograft transplantation and the use of growth factors...
October 2015: Joints
https://www.readbyqxmd.com/read/26889255/clinical-observation-of-the-application-of-autologous-peripheral-blood-stem-cell-transplantation-for-the-treatment-of-diabetic-foot-gangrene
#15
Shi-Min Xu, Ting Liang
The aim of the present study was to investigate the optimal mobilization plan in autologous peripheral blood stem cell transplantation for the treatment of diabetic foot and to observe its clinical curative effect. A total of 127 patients with diabetic foot were treated with different doses of granulocyte colony stimulating factor (G-CSF) to mobilize their hematopoietic stem cells. Subsequently, the extracted stem cell suspension was injected into the ischemic lower extremities along the blood vessels in the areas presenting with pathological changes...
January 2016: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/26810230/-arthroscopic-treatment-of-chondral-lesions-of-the-ankle-joint-evidence-based-therapy
#16
M Thomas, M Jordan, E Hamborg-Petersen
Ankle sprains are the most relevant injuries of the lower extremities and can lead to damage to ligaments and osteochondral lesions. Up to 50 % of patients with a sprained ankle later develop a lesion of the cartilage in the ankle joint or an osteochondral lesion of the talus. This can lead to osteoarthritis of the injured ankle joint. Spontaneous healing is possible in all age groups in cases of a bone bruise in the subchondral bone but in isolated chondral injuries is only useful in pediatric patients. In many cases chondral and osteochondral injuries lead to increasing demarcation of the affected area and can result in progressive degeneration of the joint if not recognized in time...
February 2016: Der Unfallchirurg
https://www.readbyqxmd.com/read/26791280/early-results-of-clinical-application-of-autologous-whole-bone-marrow-stem-cell-transplantation-for-critical-limb-ischemia-with-buerger-s-disease
#17
Seon-Hee Heo, Yoong-Seok Park, Eun-Suk Kang, Kwang-Bo Park, Young-Soo Do, Kyung-Sun Kang, Dong-Ik Kim
Our goal was to evaluate early results of the clinical application of autologous whole bone marrow stem cell transplantation (AWBMSCT) for critical limb ischemia (CLI) in patients with Buerger's disease. We retrospectively analyzed the data of 58 limbs of 37 patients (mean age, 43.0 years; range, 28-63 years; male, 91.9%) with Buerger's disease with CLI who were treated with AWBMSCT from March 2013 to December 2014. We analyzed Rutherford category, pain score, pain-free walking time (PFWT), total walking time (TWT), ankle brachial pressure index (ABPI), and toe brachial pressure index (TBPI), and investigated wound healing and occurrence of unplanned amputations...
2016: Scientific Reports
https://www.readbyqxmd.com/read/26471987/-one-step-bone-marrow-derived-cells-transplantation-and-joint-debridement-for-osteochondral-lesions-of-the-talus-in-ankle-osteoarthritis-clinical-and-radiological-outcomes-at-36-months
#18
Roberto Buda, Francesco Castagnini, Marco Cavallo, Laura Ramponi, Francesca Vannini, Sandro Giannini
INTRODUCTION: Ankle osteoarthritis (OA) is a challenging pathology, often requiring surgical treatments. In young patients, joint sparing, biologic procedures would be desirable. Recently, a few reports have described the efficacy of bone marrow stem cells in OA. Considering the good outcomes of one-step bone marrow derived cells transplantation (BMDCT) for osteochondral lesions of the talus (OLT), we applied this procedure for OLT in concomitant ankle OA. MATERIALS AND METHODS: 56 patients, with a mean age of 35...
January 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/26460286/bone-marrow-derived-cell-therapy-in-critical-limb-ischemia-a-meta-analysis-of-randomized-placebo-controlled-trials
#19
REVIEW
S M O Peeters Weem, M Teraa, G J de Borst, M C Verhaar, F L Moll
OBJECTIVE/BACKGROUND: Critical limb ischemia (CLI) is the most advanced stage of peripheral artery disease (PAD), and many patients with CLI are not eligible for conventional revascularization. In the last decade, cell based therapies have been explored as an alternative treatment option for CLI. A meta-analysis was conducted of randomized placebo controlled trials investigating bone marrow (BM) derived cell therapy in patients with CLI. METHODS: The MEDLINE, Embase, and the Cochrane Controlled Trials Register databases were systematically searched, and all included studies were critically appraised by two independent reviewers...
December 2015: European Journal of Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/26324152/ischemia-related-changes-in-circulating-stem-and-progenitor-cells-and-associated-clinical-characteristics-in-peripheral-artery-disease
#20
Rana Saber, Kiang Liu, Luigi Ferrucci, Michael H Criqui, Lihui Zhao, Lu Tian, Jack M Guralnik, Yihua Liao, Kathryn Domanchuk, Melina R Kibbe, David Green, Harris Perlman, Mary M McDermott
The extent and clinical significance of stem and progenitor cell (SPC) increases in response to lower-extremity ischemia in people with peripheral artery disease (PAD) are unclear. We compared changes in SPC levels immediately following a treadmill exercise test between individuals with and without PAD. Among participants with PAD, we determined whether more severe PAD was associated with greater increases in SPCs following treadmill exercise-induced lower-extremity ischemia. We measured SPC levels in 25 participants with PAD and 20 without PAD before and immediately after a treadmill exercise test...
December 2015: Vascular Medicine
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