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https://www.readbyqxmd.com/read/28926988/quality-assessment-of-platelet-rich-fibrin-like-matrix-prepared-from-whole-blood-samples-after-extended-storage
#1
Hideo Kawabata, Kazushige Isobe, Taisuke Watanabe, Toshimitsu Okudera, Masayuki Nakamura, Masashi Suzuki, Jietsu Ryu, Yutaka Kitamura, Hajime Okudera, Kazuhiro Okuda, Koh Nakata, Tomoyuki Kawase
The platelet-rich fibrin-like matrix (PRFM) is usually prepared onsite and immediately used for regenerative therapy. Nonetheless, to meet the clinical necessity of preserving the PRFM without quality deterioration, we developed a method for preparation of PRFMs from short-term-stored whole blood (WB) samples. In this study, to evaluate the practical expiration date of storage, we extended the storage time of WB samples from 2 to 7 days and assessed the quality of the resulting PRFMs. WB samples collected with acid-citrate-dextrose were stored with gentle agitation at ambient temperature...
September 18, 2017: Biomedicines
https://www.readbyqxmd.com/read/28922143/leukocyte-reduced-platelet-rich-plasma-stimulates-the-in-vitro-proliferation-of-adipose-tissue-derived-mesenchymal-stem-cells-depending-on-pdgf-signaling
#2
Siegmund Lang, Marietta Herrmann, Christian Pfeifer, Gero Brockhoff, Johannes Zellner, Michael Nerlich, Peter Angele, Lukas Prantl, Sebastian Gehmert, Markus Loibl
BACKGROUND: Platelet-rich Plasma (PRP) is suggested as xenoprotein-free cell-culture medium replacement for animal-derived supplements. OBJECTIVE: The aim of this study was to investigate PRP-triggered signaling in adipose derived mesenchymal stem cells (ASCs). METHODS: PRP was obtained from 4 male patients. We incubated ASCs in α-MEM with different Platelet derived growth factor (PDGF) subtypes or 10% or 20% pooled PRP or 20% fetal calf serum (FCS) prior to determination of the S-phase fraction (SPF)...
September 11, 2017: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/28915522/comparison-of-platelet-rich-plasma-stromal-vascular-fraction-svf-or-svf-with-an-injectable-plga-nanofiber-scaffold-for-the-treatment-of-osteochondral-injury-in-dogs
#3
Samuel P Franklin, Aaron M Stoker, Chantelle C Bozynksi, Keiichi Kuroki, Kevin M Clarke, Jed K Johnson, James L Cook
No abstract text is available yet for this article.
September 15, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28914251/clinical-and-radiographic-comparison-of-platelet-rich-fibrin-and-mineral-trioxide-aggregate-as-pulpotomy-agents-in-primary-molars
#4
Surendra Patidar, Namita Kalra, Amit Khatri, Rishi Tyagi
AIM: This study aimed to evaluate and compare the Platelet-rich fibrin (PRF) and Mineral trioxide aggregate (MTA) as a pulpotomy agent in primary molars. MATERIAL AND METHODS: In this study, 50 primary molars from 50 healthy children aged 5-9 years requiring pulpotomy were randomly allocated into two groups. In PRF group, after coronal pulp removal and hemostasis, remaining pulp tissue was covered with PRF preparation. In the MTA group, the pulp stumps were covered with MTA (Pro Root MTA-Root Canal Repair Material, Dentsply International Inc...
October 2017: Journal of the Indian Society of Pedodontics and Preventive Dentistry
https://www.readbyqxmd.com/read/28904970/responders-to-platelet-rich-plasma-in-osteoarthritis-a-technical-analysis
#5
REVIEW
Christophe Milants, Olivier Bruyère, Jean-François Kaux
PURPOSE: To evaluate the similarities and differences between the variety of platelet-rich plasma (PRP) formulations, preparation, and uses to try to determine the best responses for the treatment of knee osteoarthritis. MATERIALS AND METHODS: A comparison of the outcomes of randomized controlled trials (RCTs) included in the 3 most recent and high-quality meta-analyses to classify the different studies in 2 groups (bad responders group (BRG) and very good responders group (VGRG))...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28902937/inside-out-and-standard-vein-grafts-associated-with-platelet-rich-plasma-prp-in-sciatic-nerve-repair-a-histomorphometric-study
#6
José Sidney Roque, Karina Torres Pomini, Rogério Leone Buchaim, Daniela Vieira Buchaim, Jesus Carlos Andreo, Domingos Donizeti Roque, Antonio de Castro Rodrigues, Geraldo Marco Rosa, Luis Henrique Rapucci Moraes, Fausto Viterbo
Purpose: To evaluated the tubulization technique with standard and inside-out vein, filled or not with platelet-rich plasma (PRP), in sciatic nerve repair. Methods: Seventy male Wistar rats were randomly divided into five groups: IOVNF (Inside-Out Vein with No Filling); IOVPRP (Inside-Out Vein filled with PRP); SVNF (Standard Vein with No Filling); SVPRP (Standard Vein filled with PRP); Sham (Control). The left external jugular vein was used as graft in a 10 mm nervous gap...
August 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28900553/treatment-of-partial-rotator-cuff-tear-with-ultrasound-guided-platelet-rich-plasma
#7
Vetrivel Chezian Sengodan, Sajith Kurian, Raghupathy Ramasamy
BACKGROUND: The treatment of symptomatic partial rotator cuff tear has presented substantial challenge to orthopaedic surgeons as it can vary from conservative to surgical repair. Researches have established the influence of platelet rich plasma in healing damaged tissue. Currently very few data are available regarding the evidence of clinical and radiological outcome of partial rotator cuff tear treated with ultrasound guided platelet rich plasma injection in English literature. MATERIALS AND METHODS: 20 patients with symptomatic partial rotator cuff tears were treated with ultrasound guided platelet rich plasma injection...
2017: Journal of Clinical Imaging Science
https://www.readbyqxmd.com/read/28900383/effects-of-platelet-rich-plasma-and-chondrocyte-co-culture-on-msc-chondrogenesis-hypertrophy-and-pathological-responses
#8
Rouhallah Ramezanifard, Mahboubeh Kabiri, Hana Hanaee Ahvaz
Regarding the inadequate healing capability of cartilage tissue, cell-based therapy is making the future of cartilage repair and regeneration. Mesenchymal stem cells (MSC) have shown great promise in cartilage regeneration. However, a yet-unresolved issue is the emergence of hypertrophic and pathologic markers during in vitro MSC chondrogenesis. Articular chondrocytes (AC) can suppress the undesired hypertrophy when co-cultured with MSC. On the other hand, platelet rich plasma (PRP), is considered potentially effective for cartilage repair and in-vitro chondrogenesis...
2017: EXCLI journal
https://www.readbyqxmd.com/read/28895770/the-use-of-platelet-rich-plasma-prp-in-the-treatment-of-gastrocnemius-strains-a-retrospective-observational-study
#9
Paolo Borrione, Chiara Fossati, Maria Teresa Pereira, Silvana Giannini, Marco Davico, Carlo Minganti, Fabio Pigozzi
The aim of the present retrospective observational study was to evaluate the time of functional recovery following a specific combined therapeutic approach characterized by an active exercise therapy carried out immediately after Platelet-rich plasma (PRP) injections for the treatment of the muscular lesion of the distal musculotendinous junction of the gastrocnemius medial head.Medical records of 31 subjects treated with three PRP intra-lesional ultrasound guided injections and 30 patients treated with the standard therapeutic approach (control group) were analyzed...
September 12, 2017: Platelets
https://www.readbyqxmd.com/read/28893718/alternatives-to-connective-tissue-graft-in-the-treatment-of-localized-gingival-recessions-a-systematic-review
#10
Khadija Amine, Yasser El Amrani, Siham Chemlali, Jamila Kissa
AIM: The aim of this Systematic Review (SR) was to assess the clinical efficacy of alternatives procedures; Acellular Dermal Matrix (ADM), Xenogeneic Collagen Matrix (XCM), Enamel Matrix Derivative (EMD) and Platelet Rich Fibrin (PRF), compared to conventional procedures in the treatment of localized gingival recessions. MATERIAL AND METHODS: Electronic searches were performed to identify randomized clinical trials (RCTs) on treatment of single gingival recession with at least 6 months of follow-up...
September 8, 2017: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/28893049/comparative-evaluation-of-the-efficacy-of-bioactive-ceramic-composite-granules-alone-and-in-combination-with-platelet-rich-fibrin-in-the-treatment-of-mandibular-class-ii-furcation-defects-a-clinical-and-radiographic-study
#11
Hima S Lohi, Dilip G Nayak, Ashita S Uppoor
INTRODUCTION: Predictable closure of furcation defects with bone grafts, Guided Tissue Regeneration (GTR) and a combination of the two has remained an elusive goal so far. Hence, evaluation of biomimetic agents as candidate technologies for periodontal regeneration merit due consideration. In this study, Choukroun's Platelet Rich Fibrin (PRF), a second generation platelet concentrate, is combined with bone graft to examine if the addition enhances the therapeutic potential of bone graft in the management of Class II furcation defects...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28893033/comparative-evaluation-of-bioactive-glass-putty-and-platelet-rich-fibrin-in-the-treatment-of-human-periodontal-intrabony-defects-a-randomized-control-trial
#12
Akbar Naqvi, D Gopalakrishnan, Meenu Taneja Bhasin, Nilima Sharma, Khushtar Haider, Santosh Martande
INTRODUCTION: Platelet-Rich Fibrin (PRF) and bioactive glass putty have been shown to be effective in promoting reduction in probing depth, gain in clinical attachment, and defect fill in intrabony periodontal defects. The individual role played by bioactive glass putty in combination with PRF is yet to be elucidated. AIM: To compare the clinical effectiveness of the combination of PRF and bioactive glass putty and bioactive glass putty alone as regenerative techniques for intrabony defects in humans...
July 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28892654/single-stage-cartilage-repair-using-platelet-rich-fibrin-scaffolds-with-autologous-cartilaginous-grafts
#13
Chin-Chean Wong, Chih-Hwa Chen, Wing P Chan, Li-Hsuan Chiu, Wei-Pin Ho, Fon-Jou Hsieh, You-Tzung Chen, Tsung-Lin Yang
BACKGROUND: To avoid complicated procedures requiring in vitro chondrocyte expansion for cartilage repair, the development of a culture-free, 1-stage approach combining platelet-rich fibrin (PRF) and autologous cartilage grafts may be the solution. PURPOSE: To develop a feasible 1-step procedure to combine PRF and autologous cartilage grafts for articular chondral defects. STUDY DESIGN: Controlled laboratory study Methods: The chemotactic effects of PRF on chondrocytes harvested from the primary culture of rabbit cartilage were evaluated in vitro and ex vivo...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28887963/facile-one-pot-green-synthesis-antibacterial-antifungal-antioxidant-and-antiplatelet-activities-of-lignin-capped-silver-nanoparticles-a-promising-therapeutic-agent
#14
M B Marulasiddeshwara, S S Dakshayani, M N Sharath Kumar, R Chethana, P Raghavendra Kumar, S Devaraja
The current work portrays the green synthesis of Lignin Capped Silver Nanoparticles (LCSN) and their antibacterial, antifungal, antioxidant and antiplatelet potential. The LCSN was synthesized in water using a carbohydrate based polymer 'lignin' as the reducing and capping agents. The peak at 406nm (λmax) in the UV-Vis., spectrum and EDX analysis confirmed 1.68% (w/w) of silver was found to be loaded on lignin. The characteristic sharp peaks appeared in the PXRD spectrum showed fcc crystalline structure LCSN...
December 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28887865/plasma-rich-plasma-the-ultimate-secret-for-youthful-skin-elixir-and-hair-growth-triggering
#15
REVIEW
Ebtisam Elghblawi
The clinical application of platelet-rich plasma (PRP) is based on the increase in the concentration of growth factors that are released from alpha-granule of the concentrated platelets and in the secretion of proteins which are able to capitalize on the healing process at the cellular level. It has been invented to restore the natural beauty by starting the natural rejuvenation process of the skin and aiming to make it function as a younger one and to keep the skin youthful and maintain it. Besides that, it is also emerged to include hairs as a new injectable procedure to enable stimulating hair growth locally and topically; preventing its fall; improving hair shaft, hair stem, and its caliber; increasing its shine, vitality, and pliability; and declining hair splitting and breakage...
September 8, 2017: Journal of Cosmetic Dermatology
https://www.readbyqxmd.com/read/28886194/a-new-rabbit-model-of-impaired-wound-healing-in-an-x-ray-irradiated-field
#16
Kazutoshi Fujita, Soh Nishimoto, Toshihiro Fujiwara, Yohei Sotsuka, Maki Tonooka, Kenichiro Kawai, Masao Kakibuchi
Radiation is an important therapy for cancer with many benefits; however, its side effects, such as impaired wound healing, are a major problem. While many attempts have been made to overcome this particular disadvantage, there are few effective treatments for impaired wound healing in an X-ray-irradiated field. One reason for this deficiency is the lack of experimental models, especially animal models. We have previously reported a mouse model of impaired wound healing in which the irradiation area was restricted to the hindlimbs...
2017: PloS One
https://www.readbyqxmd.com/read/28881440/injectable-mussel-inspired-immobilization-of-platelet-rich-plasma-on-microspheres-bridging-adipose-micro-tissues-to-improve-autologous-fat-transplantation-by-controlling-release-of-pdgf-and-vegf-angiogenesis-stem-cell-migration
#17
Shaolong Zhou, Qiang Chang, Feng Lu, Malcolm Xing
Platelets-rich plasma (PRP) can produce growth factors (GFs) to improve angiogenesis. However, direct injection of PRP does not lead to highly localized GFs. The current study employs a mussel-inspired polydopamine to immobilize PRP on gelatin microspheres (GMs) with the purpose of bridging adipose micro-tissues to help implanted fat survive (GM-pDA-PRP). Enhanced PRP adhesion leads to a prolonged and localized production of GFs, which is verified by platelet counting and by ELISA of vascular endothelial growth factors (VEGFs) and of platelet derived growth factors (PDGFs)...
September 7, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28877148/treatment-of-a-chronic-cutaneous-surgical-wound-with-platelet-rich-fibrin
#18
Anthony J Chiaravalloti, Bella Zubkov, Alexander Zubkov
No abstract text is available yet for this article.
September 1, 2017: Dermatologic Surgery: Official Publication for American Society for Dermatologic Surgery [et Al.]
https://www.readbyqxmd.com/read/28875826/current-treatment-options-for-osteoarthritis
#19
Sevdalina Lambova, Walter Hermann, Ulf Müller-Ladner
BACKGROUND: Osteoarthritis (ОА) is the most common joint disease and a leading cause for impaired function and disability with significant treatment costs and socio-economic burden. Despite recent achievements in the knowledge on disease pathogenesis, the treatment is still a challenge and contrary to inflammatory joint diseases, no disease-modifying drugs are currently available for OA. OBJECTIVE: Different response in different localizations of the disease further complicates the therapeutic choice...
August 29, 2017: Current Rheumatology Reviews
https://www.readbyqxmd.com/read/28873284/platelet-rich-plasma-ultrasound-guided-injection-in-the-treatment-of-carpal-tunnel-syndrome-a-placebo-controlled-clinical-study
#20
M-A Malahias, V S Nikolaou, E O Johnson, M-K Kaseta, S-T Kazas, G C Babis
PURPOSE: To demonstrate whether and to what extent a single injection of Platelet-Rich Plasma (PRP), under ultrasound guidance, can improve the clinical symptoms of patients with a mild to moderate carpal tunnel syndrome (CTS). METHODS: We conducted a prospective, randomized, clinical study including 50 patients suffering from mild to moderate CTS for a minimum duration of 3-months. Patients were randomly divided into two groups: A (26 patients) received an ultrasound-guided PRP injection into the carpal tunnel, whereas Group B (24 patients) was injected with placebo (0...
September 5, 2017: Journal of Tissue Engineering and Regenerative Medicine
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