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https://www.readbyqxmd.com/read/27914126/effects-of-platelet-rich-plasma-on-kidney-regeneration-in-gentamicin-induced-nephrotoxicity
#1
Abbas Moghadam, Tahereh Talaei Khozani, Afsaneh Mafi, Mohammad Reza Namavar, Farzaneh Dehghani
Platelet-rich plasma (PRP) as a source of growth factors may induce tissue repairing and improve fibrosis. This study aimed to assess the effects of PRP on kidney regeneration and fibrosis in gentamicin (GM)-induced nephrotoxicity rat model by stereological study. Thirty-two male rats were selected. Nephrotoxicity was induced in animals by administration of GM (80 mg/kg/daily, intraperitoneally [IP], 8 day) and animals were treated by PRP (100 μL, intra-cortical injection using surgical microscopy, single dose)...
January 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/27908451/allogeneic-platelet-rich-plasma-at-the-dawn-of-an-off-the-shelf-therapy
#2
Eduardo Anitua, Roberto Prado, Gorka Orive
A new therapeutic tool is emerging based on a biomimetic strategy: platelet-rich plasma (PRP) technology. Allogeneic off-the-shelf PRP represents a safe and cost-effective treatment for osteoarthritis and related diseases. This breakthrough opens the door not only to improved treatments and opportunities but also to new challenges with multiple uncertainties.
November 28, 2016: Trends in Biotechnology
https://www.readbyqxmd.com/read/27906940/a-new-technique-for-the-treatment-of-lumbar-facet-joint-syndrome-using-intra-articular-injection-with-autologous-platelet-rich-plasma
#3
Jiuping Wu, Zhenwu Du, Yang Lv, Jun Zhang, Wei Xiong, Ruiqiang Wang, Rui Liu, Guizhen Zhang, Qinyi Liu
BACKGROUND AND OBJECTIVES: Lumbar facet joint syndrome is currently suggested to be a main source of axial low back pain, and a large portion of axial low back pain is caused by disorders in lumbar facet joints. Intra-articular injection is one of the most common treatment methods in the early clinical application. Therefore, we attempt to seek a new injectable material, autologous platelet rich plasma (PRP), to treat lumbar facet syndrome, as well as to assess its therapeutic effectiveness and safety...
November 2016: Pain Physician
https://www.readbyqxmd.com/read/27904584/effectiveness-and-relevant-factors-of-platelet-rich-plasma-treatment-in-managing-plantar-fasciitis-a-systematic-review
#4
REVIEW
Seet Khing Chiew, Thamil Selvee Ramasamy, Farahnaz Amini
BACKGROUND: Plantar fasciitis (PF) is a common foot complaint, affects both active sportsmen and physically inactive middle age group. It is believed that PF results from degenerative changes rather than inflammation. Platelet-rich plasma (PRP) therapy has been introduced as an alternative therapy for PF. This study is aimed to systematically review to the effectiveness and relevant factors of PRP treatment in managing PF. MATERIALS AND METHODS: A search was conducted in electronic databases, including PubMed, Scopus, and Google Scholar using different keywords...
2016: Journal of Research in Medical Sciences: the Official Journal of Isfahan University of Medical Sciences
https://www.readbyqxmd.com/read/27904271/histologic-evidence-of-new-collagen-formulation-using-platelet-rich-plasma-in-skin-rejuvenation-a-prospective-controlled-clinical-study
#5
Ozlem Karabudak Abuaf, Hamza Yildiz, Hüseyin Baloglu, Memet Ersan Bilgili, Hasan Aktug Simsek, Bilal Dogan
BACKGROUND: Platelet-rich plasma (PRP) is an autologous concentration of human platelets contained in a small volume of plasma and has recently been shown to accelerate rejuvenate aging skin by various growth factors and cell adhesion molecules. OBJECTIVE: This study was conducted to evaluate the efficacy and safety of intradermal injection of PRP in the human facial rejuvenation. METHODS: This study was a prospective, single-center, single-dose, open-label, non-randomized controlled clinical study...
December 2016: Annals of Dermatology
https://www.readbyqxmd.com/read/27900700/platelet-rich-plasma-supplementation-in-arthroscopic-repair-of-full-thickness-rotator-cuff-tears-a-randomized-clinical-trial
#6
R D'Ambrosi, F Palumbo, A Paronzini, V Ragone, R M Facchini
BACKGROUND: Results on the effectiveness of PRP supplementation in arthroscopic rotator cuff repair are conflicting, making it difficult to draw definitive conclusions. METHODS: This was a prospective, randomized, and double-blind study with two groups of 20 patients each (PRP group and control group). Degenerative supraspinatus full-thickness tears grade C2-C3 were subjected to arthroscopic repair; PRP supplementation was given to patients in the PRP group. The outcomes were assessed by DASH, Constant scales, and ultrasound before and 6 months after surgery...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900294/efficacy-of-autologous-leukocyte-reduced-platelet-rich-plasma-therapy-for-patellar-tendinopathy-in-a-rat-treadmill-model
#7
Mamoru Yoshida, Hiroki Funasaki, Keishi Marumo
BACKGROUND: An autologous platelet-rich plasma (PRP) therapy has currently been applied for the tendinopathy; however, its efficacy and an optimal platelets concentration in PRP were uncertain. We analyzed them in an animal model prepared using a repetitive running exercise. METHODS: We made the tendinopathy rat model of patellar tendon using a rodent treadmill machine. Rats with tendinopathy were injected with leukocyte-reduced PRP at the platelets concentration of 1...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27900293/combined-use-of-platelet-rich-plasma-micro-fat-in-sport-and-race-horses-with-degenerative-joint-disease-preliminary-clinical-study-in-eight-horses
#8
Fabrizio Bembo, Julia Eraud, Cecile Philandrianos, Baptiste Bertrand, Alain Silvestre, Julie Veran, Florence Sabatier, Guy Magalon, Jeremy Magalon
BACKGROUND: To assess the safety and potential efficacy of a standardized technique consisting of intra-articular injection of 10 cc of a homogeneous mixed product using autologous micro-fat and platelet rich plasma (PRP) (ratio 1:1) in the carpus or the fetlock joint of sport horses presenting degenerative joint disease (DJD). METHODS: Eight sport horses with DJD confirmed by radiography and ultrasonography and causing lameness and the impossibility to compete were treated...
April 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27900099/effect-of-cytostatic-proline-rich-polypeptide-1-on-tumor-suppressors-of-inflammation-pathway-signaling-in-chondrosarcoma
#9
Karina Galoian, Shihua Luo, Amir Qureshi, Parthik Patel, Rachel Price, Ashlyn S Morse, Gor Chailyan, Silva Abrahamyan, H T Temple
Cytokines produced in the tumour microenvironment exert an important role in cancer pathogenesis and in the inhibition of disease progression. Cancer of the cartilage is termed metastatic chondrosarcoma; however, the signaling events resulting in mesenchymal cell transformation to sarcoma have yet to be fully elucidated. The present study aimed to characterize the cytokine expression profile in the human JJ012 chondrosarcoma cell line, as well as the effect of cytostatic proline-rich polypeptide-1 (PRP-1). Western blot experiments demonstrated that the levels of suppressor of cytokine signaling 3 (SOCS3) were upregulated in chondrocytes compared with chondrosarcoma cells...
November 2016: Molecular and Clinical Oncology
https://www.readbyqxmd.com/read/27896708/asymmetric-interference-in-concurrent-time-to-contact-estimation-cousin-or-twin-of-the-psychological-refractory-period-effect
#10
Robin Baurès, Patricia R DeLucia, Megan Olson, Daniel Oberfeld
In a reaction time (RT) task requiring fast responses to two stimuli presented close in time, human observers show a delayed RT to the second stimulus. This phenomenon has been attributed to a psychological refractory period (PRP). A similar asymmetric interference is found when performing multiple concurrent visual time-to-contact (TTC) estimations for moving objects, despite important differences between the tasks. In the present study, we studied the properties of the asymmetric interference found in the TTC task and compared them to the classical PRP effect...
November 28, 2016: Attention, Perception & Psychophysics
https://www.readbyqxmd.com/read/27893553/healing-effects-of-platelet-rich-plasma-on-peripheral-nerve-injuries
#11
Farshid Bastami, Peyman Vares, Arash Khojasteh
Regeneration of peripheral nerve injuries (PNIs) has been a major challenging issue in regenerative medicine and tissue engineering. Inferior alveolar nerve and lingual nerve injuries are the major difficulties and complications of oral surgeries following dental implant placement, etc. The aim of this study was to systematically review the effects of platelet-rich plasma (PRP) on the regeneration of PNIs. Medline NCBI databases were searched for related articles up to and including May 2016. Being published in English papers, use of PRP in peripheral nerve regeneration, in vivo studies, and having histological evaluations was the inclusion criteria...
November 23, 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27891436/platelet-rich-plasma-efficacy-in-treating-trophic-ulcers-in-leprosy
#12
V Anandan, W Afthab Jameela, P Saraswathy, S Sarankumar
INTRODUCTION: Trophic ulcers secondary to leprosy pose a great stigma to the patients and remain a challenge to the treating dermatologists. The discovery of Platelet Rich Plasma (PRP) with its favourable role in wound healing is a boon for the patients. PRP introduces the growth factors directly into the wound and aids in rapid healing. AIM: To study the efficacy and safety of PRP in the healing of trophic ulcers secondary to Hansen's disease in a tertiary care centre in Southern India...
October 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/27887732/expressions-of-pathologic-markers-in-prp-based-chondrogenic-differentiation-of-human-adipose-derived-stem-cells
#13
Arezou Pakfar, Shiva Irani, Hana Hanaee-Ahvaz
BACKGROUND: Optimization of the differentiation medium through using autologous factors such as PRP is of great consideration, but due to the complex, variable and undefined composition of PRP on one hand and lack of control over the absolute regulatory mechanisms in in vitro conditions or disrupted and different mechanisms in diseased tissue microenvironments in in vivo conditions on the other hand, it is complicated and rather unpredictable to get the desired effects of PRP making it inevitable to monitor the possible pathologic or undesired differentiation pathways and therapeutic effects of PRP...
November 12, 2016: Tissue & Cell
https://www.readbyqxmd.com/read/27868077/platelet-rich-plasma-injections-with-needle-tenotomy-for-gluteus-medius-tendinopathy-a-registry-study-with-prospective-follow-up
#14
James J Lee, Julian R Harrison, Kwadwo Boachie-Adjei, Elizabeth Vargas, Peter J Moley
BACKGROUND: Gluteal tendinopathy is a prevalent condition that can be associated with significant pain and disability. To date, no studies have prospectively assessed the efficacy of intratendinous platelet-rich plasma (PRP) injections as a minimally invasive treatment for gluteus medius tendinopathy. PURPOSE: To prospectively assess the efficacy of intratendinous PRP injections as treatment for chronic recalcitrant gluteus medius tendinopathy. STUDY DESIGN: Case series; Level of evidence, 4...
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27863082/allogeneic-platelet-rich-plasma-affects-monocyte-differentiation-to-dendritic-cells-causing-an-anti-inflammatory-microenvironment-putatively-fostering-the-wound-healing
#15
Andrea Papait, Ranieri Cancedda, Maddalena Mastrogiacomo, Alessandro Poggi
Autologous platelet rich plasma (PRP) is clinically used to induce repair of different tissues through the release of bioactive molecules. In some patients, the production of an efficient autologous PRP is unfeasible due to their compromised health. We developed an allogeneic PRP mismatched for AB0 and Rh antigens. To broadcast its clinical applications avoiding side effects the outcome of allogeneic PRP on immune response should be defined. Thus, we investigated whether PRP affected the differentiation of peripheral blood monocytes to dendritic cells upon stimulation with granulocyte monocyte colony stimulating factor and interleukin-4...
November 15, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27863057/platelet-rich-plasma-based-bioactive-membrane-as-a-new-advanced-wound-care-tool
#16
Raffaele Spanò, Anita Muraglia, Maria R Todeschi, Marta Nardini, Paolo Strada, Ranieri Cancedda, Maddalena Mastrogiacomo
Chronic skin ulcers, consequence of diabetes and other pathological conditions, heavily compromise the patients' life quality and represent a high and constantly growing cost for National Health Services. Autologous Platelet Rich Plasma (PRP), has been proposed to treat these lesions. The absence of guidelines for the PRP production and the need of a fresh preparation for each treatment lead us to develop a protocol for the production of an allogenic PRP based bioactive membrane (BAM), standardized for platelet concentration and growth factor release...
November 13, 2016: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/27859333/reduced-mhc-alloimmunization-and-partial-tolerance-protection-with-pathogen-reduction-of-whole-blood
#17
Rachael P Jackman, Marcus O Muench, Heather Inglis, John W Heitman, Susanne Marschner, Raymond P Goodrich, Philip J Norris
BACKGROUND: Allogeneic blood transfusion can result in an immune response against major histocompatibility complex (MHC) antigens, potentially complicating future transfusions or transplants. We previously demonstrated that pathogen reduction of platelet-rich plasma (PRP) with riboflavin and ultraviolet light (UV+R) can prevent alloimmunization in mice. A similar pathogen-reduction treatment is currently under development for the treatment of whole blood using riboflavin and a higher dose of UV light...
November 18, 2016: Transfusion
https://www.readbyqxmd.com/read/27853331/effects-of-platelet-rich-plasma-platelet-rich-fibrin-with-and-without-stromal-cell-derived-factor-1-on-repairing-full-thickness-cartilage-defects-in-knees-of-rabbits
#18
Soghra Bahmanpour, Maryam Ghasemi, Mohsen Sadeghi-Naini, Iraj Ragerdi Kashani
BACKGROUND: The purpose of this study was to create biomaterial scaffolds like platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) containing stromal cell-derived factor-1 (SDF1) as a chemokine to induce hyaline cartilage regeneration of rabbit knee in a full thickness defect. METHODS: We created a full thickness defect in the trochlear groove of thirty-six bilateral knees of eighteen mature male rabbits. The knees were randomly divided into six groups (group I: untreated control, group II: PRP, group III: PRF, group IV: Gelatin+SDF1, group V: PRP+SDF1, and group VI: PRF+SDF1)...
November 2016: Iranian Journal of Medical Sciences
https://www.readbyqxmd.com/read/27847828/a-computational-model-of-peripheral-photocoagulation-for-the-prevention-of-progressive-diabetic-capillary-occlusion
#19
Thomas J Gast, Xiao Fu, John Scott Gens, James A Glazier
We developed a computational model of the propagation of retinal ischemia in diabetic retinopathy and analyzed the consequences of various patterns and sizes of burns in peripheral retinal photocoagulation. The model addresses retinal ischemia as a phenomenon of adverse local feedback in which once a capillary is occluded there is an elevated probability of occlusion of adjacent capillaries resulting in enlarging areas of retinal ischemia as is commonly seen clinically. Retinal burns of different sizes and patterns, treated as local oxygen sources, are predicted to have different effects on the propagation of retinal ischemia...
2016: Journal of Diabetes Research
https://www.readbyqxmd.com/read/27836910/insights-from-therapeutic-studies-for-prp-prion-disease
#20
Kenta Teruya, Katsumi Doh-Ura
Although an effective therapy for prion disease has not yet been established, many advances have been made toward understanding its pathogenesis, which has facilitated research into therapeutics for the disease. Several compounds, including flupirtine, quinacrine, pentosan polysulfate, and doxycycline, have recently been used on a trial basis for patients with prion disease. Concomitantly, several lead antiprion compounds, including compound B (compB), IND series, and anle138b, have been discovered. However, clinical trials are still far from yielding significantly beneficial results, and the findings of lead compound studies in animals have highlighted new challenges...
November 11, 2016: Cold Spring Harbor Perspectives in Medicine
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