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PRP platelet rich plasma

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https://www.readbyqxmd.com/read/29775888/therapeutic-impact-of-rhuepo-on-abnormal-platelet-app-bace-1-presenilin-1-adam-10-and-a%C3%AE-expressions-in-chronic-kidney-disease-patients-with-cognitive-dysfunction-like-alzheimer-s-disease-a-pilot-study
#1
Vinothkumar G, Krishnakumar S, Sureshkumar, Shivashekar G, Sreedhar S, Preethikrishnan, Dinesh S, Sundaram A, Balakrishnan D, Riya, Venkataraman P
BACKGROUND: Cognitive dysfunction is reported to be a major cause of morbidity in chronic kidney disease (CKD). The senile plaques (SPs) in the brain are one of the most pathophysiological characteristics of cognitive dysfunction and its major constituent amyloid β (Aβ) released from amyloid precursor protein (APP) by β (BACE1) and γ (presenilin 1) secretases . Platelets contain more than 95% of the circulating APP and implicate as a candidate biomarker for cognitive decline. Recombinant human erythropoietin (rHuEPO) is a standard therapy for anemia in CKD and also acts as a neuroprotective agent...
May 14, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29772339/wound-healing-effects-of-a-curcuma-zedoaria-polysaccharide-with-platelet-rich-plasma-exosomes-assembled-on-chitosan-silk-hydrogel-sponge-in-a-diabetic-rat-model
#2
Ning Xu, Lili Wang, Junjie Guan, Chao Tang, Ning He, Wei Zhang, Shiping Fu
One homogeneous polysaccharide (ZWP) was successfully isolated and purified from the rhizomes of Curcuma zedoaria and the aim of present study was to determine the potential of chitosan/silk hydrogel sponge loaded with platelet-rich plasma exosomes (PRP-Exos), ZWP or PRP-Exos/ZWP on wound-healing in diabetic rats. An in vivo diabetic wound healing study showed that separate or combined treatments all resulted in a wound contraction in diabetic rats, as evidenced by a decrease of ulcer and an increase of epidermal thickness, but PRP-Exos/ZWP combination therapy was more successful in wound closing than either PRP-Exos or ZWP single administration...
May 14, 2018: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/29772187/platelet-rich-plasma-releasate-promotes-regeneration-and-decreases-inflammation-and-apoptosis-of-injured-skeletal-muscle
#3
Wen-Chung Tsai, Tung-Yang Yu, Gwo-Jyh Chang, Li-Ping Lin, Miao-Sui Lin, Jong-Hwei S Pang
BACKGROUND: Platelet-rich plasma (PRP) contains various cytokines and growth factors that may be beneficial to the healing process of injured muscle. Based on the authors' previous study, PRP releasate can promote proliferation and migration of skeletal muscle cells in vitro, so animal studies are performed to support the use of PRP to treat muscle injury in vivo. PURPOSE: To investigate the effect of PRP releasate on regeneration of injured muscle, as well as its effect on inflammatory reaction and cell apoptosis, in the early stages of the muscle-healing process...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29770602/full-title-cultures-of-a-human-synovial-cell-line-to-evaluate-platelet-rich-plasma-and-hyaluronic-acid-effects
#4
E Olivotto, G Merli, E Assirelli, C Cavallo, E Belluzzi, R Ramonda, M Favero, G Filardo, A Roffi, E Kon, B Grigolo
Synovial inflammation plays an important role in osteoarthritis (OA) pathogenesis. Different biological compounds have been tested mainly on chondrocytes, to treat early stages of OA. However, since OA has been recently defined as "an organ" pathology, investigation on synoviocytes is also needed. Therefore the aim of the present study was to validate a human fibroblast-like synoviocytes cell line (K4IM) to test the effects of platelet-rich plasma (PRP) and hyaluronan (HA) on anabolic and catabolic gene expression and on HA secretion from cell cultures...
May 16, 2018: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/29768536/comparison-of-platelet-rich-plasma-versus-fibrin-glue-on-colonic-anastomoses-in-rats
#5
Yusuf Kenan Daglioglu, Ozgul Duzgun, Inanc Samil Sarici, Kemal Turker Ulutas
PURPOSE: To compare platelet rich plasma (PRP) and fibrin glue about the effect of anastomotic healing. METHODS: Thirty six Wistar-Albino male rats diveded into 3 groups according to control(Group1), PRP (Group 2) and fibrin glue(Tisseel VH) (Group 3). The colon was transected with scissor and subsequently an end to end anastomosis was performed using continuous one layer 6/0 vicryl sutures. Postoperative 7th day effect of anastomotic healing measuring with tissue hydroxyproline(TH) level and anastomotic bursting pressure(ABP); moreover comparison of cytokine (IL-6 and IL-10) and procalcitonin levels on 1st,3rd and 7th days...
April 2018: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29766749/enhanced-sternal-healing-via-platelet-rich-plasma-and-biodegradable-gelatin-hydrogel
#6
Masafumi Shibata, Gen Takagi, Mitsuhiro Kudo, Jiro Kurita, Yoko Kawamoto, Yasuo Miyagi, Mikimoto Kanazashi, Takashi Sakatani, Zenya Naito, Yasuhiko Tabata, Masaaki Miyamoto, Takashi Nitta
Platelet-rich plasma (PRP) contains numerous growth factors and promotes bone fracture healing. The aim of this study was to evaluate the effectiveness of the controlled release of PRP from biodegradable gelatin hydrogel for promoting healing in a rabbit ischemic sternal model. PRP was prepared from the whole blood of a Japanese white rabbit. Sixteen rabbits were randomized into four groups (each n = 4) and all underwent median sternotomy and bilateral internal thoracic artery removal. Before the sternum was closed, the following solutions were applied between the sternum incisions in three of the groups: 30 mg of gelatin hydrogel incorporating 300 μL of phosphate-buffered saline, 300 μL of a solution form of PRP, or 30 mg of gelatin hydrogel incorporating 300 μL of PRP (PRP+Gel)...
May 16, 2018: Tissue Engineering. Part A
https://www.readbyqxmd.com/read/29760725/the-effects-of-hyperacute-serum-on-the-elements-of-the-human-subchondral-bone-marrow-niche
#7
Melinda Simon, Bálint Major, Gabriella Vácz, Olga Kuten, István Hornyák, Adél Hinsenkamp, Dorottya Kardos, Marcell Bagó, Domonkos Cseh, Adrienn Sárközi, Denes Horvathy, Stefan Nehrer, Zsombor Lacza
Mesenchymal stem cells (MSCs) are widely used in laboratory experiments as well as in human cell therapy. Their culture requires animal sera like fetal calf serum (FCS) as essential supplementation; however, animal sera pose a risk for clinical applications. Human blood derivatives, for example, platelet-rich plasma (PRP) releasates, are potential replacements of FCS; however, it is unclear which serum variant has the best effect on the given cell or tissue type. Additionally, blood derivatives are commonly used in musculoskeletal diseases like osteoarthritis (OA) or osteonecrosis as "proliferative agents" for the topical MSC pool...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29755531/adjunctive-platelet-rich-plasma-prp-in-infrabony-regenerative-treatment-a-systematic-review-and-rct-s-meta-analysis
#8
REVIEW
Mubashir Saleem, Flavio Pisani, Faisal Maqbool Zahid, Ioannis Georgakopoulos, Teuta Pustina-Krasniqi, Edit Xhajanka, Maher Almasri
Background and Objective: The purpose of this study was to highlight the clinical performance of platelet-rich plasma (PRP) used as an adjunctive tool for regeneration in infrabony periodontal defects using different biomaterials or performing different surgical flap approaches. Comparative evaluation of main clinical outcomes as probing pocket depth reduction, clinical attachment gain, and recession reduction with and without the use of PRP has been analysed. Materials and Methods: According to the focused question, an electronic and hand searching has been performed up to December 2016...
2018: Stem Cells International
https://www.readbyqxmd.com/read/29745047/systematic-review-of-the-efficacy-of-fat-grafting-and-platelet-rich-plasma-for-wound-healing
#9
Oliver J Smith, Muholan Kanapathy, Ankur Khajuria, Max Prokopenko, Nadine Hachach-Haram, Haroon Mann, Ash Mosahebi
Adipose-derived stem cells found in fat grafts may have significant healing properties. When fat is combined with autologous platelet-rich plasma (PRP), there may be enhanced healing effects due to the pro-angiogenic and anti-inflammatory effects of PRP. This study aimed to evaluate the current evidence on fat grafting in combination with PRP for wound healing to establish the efficacy of this technique. A comprehensive search in the MEDLINE, EMBASE, CENTRAL, Science Citation Index, and Google Scholar databases (to March 2017) was conducted to identify studies on fat grafting and PRP for wound healing...
May 9, 2018: International Wound Journal
https://www.readbyqxmd.com/read/29744432/bone-grafts-and-biomaterials-substitutes-for-bone-defect-repair-a-review
#10
REVIEW
Wenhao Wang, Kelvin W K Yeung
Bone grafts have been predominated used to treat bone defects, delayed union or non-union, and spinal fusion in orthopaedic clinically for a period of time, despite the emergency of synthetic bone graft substitutes. Nevertheless, the integration of allogeneic grafts and synthetic substitutes with host bone was found jeopardized in long-term follow-up studies. Hence, the enhancement of osteointegration of these grafts and substitutes with host bone is considerably important. To address this problem, addition of various growth factors, such as bone morphogenetic proteins (BMPs), parathyroid hormone (PTH) and platelet rich plasma (PRP), into structural allografts and synthetic substitutes have been considered...
December 2017: Bioactive Materials
https://www.readbyqxmd.com/read/29741923/effect-of-intraoperative-platelet-rich-plasma-treatment-on-postoperative-donor-site-knee-pain-in-patellar-tendon-autograft-anterior-cruciate-ligament-reconstruction-a-double-blind-randomized-controlled-trial
#11
Brian L Walters, David A Porter, Sarah J Hobart, Benjamin B Bedford, Daniel E Hogan, Malachy M McHugh, Devon A Klein, Kendall Harousseau, Stephen J Nicholas
BACKGROUND: Donor site morbidity in the form of anterior knee pain is a frequent complication after bone-patellar tendon-bone (BPTB) autograft anterior cruciate ligament (ACL) reconstruction. Hypothesis/Purpose: The purpose was to examine the effect of the intraoperative administration of platelet-rich plasma (PRP) on postoperative kneeling pain. It was hypothesized that PRP treatment would reduce knee pain. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29740270/therapeutic-effect-of-platelet-rich-plasma-in-rat-spinal-cord-injuries
#12
Nan-Fu Chen, Chun-Sung Sung, Zhi-Hong Wen, Chun-Hong Chen, Chien-Wei Feng, Han-Chun Hung, San-Nan Yang, Kuan-Hao Tsui, Wu-Fu Chen
Platelet-rich plasma (PRP) is prepared by centrifuging fresh blood in an anticoagulant state, and harvesting the platelet-rich portion or condensing platelets. Studies have consistently demonstrated that PRP concentrates are an abundant source of growth factors, such as platelet-derived growth factor (PDGF), transforming growth factor β (TGF-β), insulin-like growth factor 1 (IGF-1), and epithelial growth factor (EGF). The complex mechanisms underlying spinal cord injury (SCI) diminish intrinsic repair and neuronal regeneration...
2018: Frontiers in Neuroscience
https://www.readbyqxmd.com/read/29738415/efficacy-of-injecting-platelet-concentrate-combined-with-hyaluronic-acid-for-the-treatment-of-vulvovaginal-atrophy-in-postmenopausal-women-with-history-of-breast-cancer-a-phase-2-pilot-study
#13
Barbara Hersant, Mounia SidAhmed-Mezi, Yazid Belkacemi, Franklin Darmon, Sylvie Bastuji-Garin, Gabrielle Werkoff, Romain Bosc, Jeremy Niddam, Oana Hermeziu, Simone La Padula, Jean Paul Meningaud
OBJECTIVE: Approximately 50% to 70% of breast cancer survivors are affected by one or more symptoms of vulvovaginal atrophy (VVA). For those who cannot take hormone therapy, autologous platelet-rich plasma combined with hyaluronic acid (A-PRP-HA) may provide a new alternative therapy for the treatment of VVA in postmenopausal women with history of breast cancer. METHODS: We enrolled 20 postmenopausal breast cancers survivors with VVA and a score of <15 on the Gloria Bachman Vaginal Health Index (VHI) comprised of five items including: vaginal pH, elasticity, fluid volume (secretions), epithelial integrity, and moisture...
May 7, 2018: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/29737237/blood-plasma-derivatives-for-tissue-engineering-and-regenerative-medicine-therapies
#14
Sara Santos, Olafur E Sigurjonsson, Catarina Custodio, João Filipe Colardelle da Luz Mano
Platelet-rich plasma (PRP) and its derivatives have been investigated and applied in regenerative medicine. The use of PRP as a supplement of cell culture media has consistently shown to potentiate stem cell proliferation, migration, and differentiation. In addition, the clinical utility of PRP is supported by evidence that PRP contains high concentrations of growth factors and proteins which contribute to the regenerative process. PRP based therapies are cost effective and also benefit from the accessibility and safety of using the patient's own growth factors...
May 8, 2018: Tissue Engineering. Part B, Reviews
https://www.readbyqxmd.com/read/29737075/-adjusting-platelet-counts-for-platelet-aggregation-tests
#15
Li-Qin Ling, Xin-Chun Yang, Hao Chen, Chao-Nan Liu, Si Chen, Hong Jiang, Ya-Xiong Jin, Jing Zhou
OBJECTIVE: To explore a better method to adjust platelet counts for light transmission aggregometry (LTA). METHODS: Blood samples from 36 healthy participants aged from 18 to 50 yr. were collected.Platelet-rich plasma (PRP) was diluted using platelet-poor plasma (PPP) and physiological saline (PS),respectively,in a ratio of 1.5,2,2.5 and 3 times. Platelet aggregation was induced by adenosine diphosphate (ADP),arachidonic acid (ARA),collagen (COL), epinephrine (EPI),or ristocetin (RIS)...
March 2018: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/29736577/prp-therapy
#16
Ibrahim Fatih Cengiz, J Miguel Oliveira, Rui L Reis
Osteochondral lesions remain as a clinical challenge despite the advances in orthopedic regenerative strategies. Biologics, in particular, platelet-rich plasma, has been applied for the reparative and regenerative effect in many tissues, and osteochondral tissue is not an exception. Platelet-rich plasma is an autologous concentrate prepared from the collected blood; thus, this safe application is free of immune response or risk of transmission of disease. It has a high potential to promote regeneration, thanks to its content, and can be applied alone or can reinforce a tissue engineering strategy...
2018: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29732431/platelet-rich-plasma-injections-an-emerging-therapy-for-chronic-discogenic-low-back-pain
#17
REVIEW
Suja Mohammed, James Yu
Autologous platelet-rich plasma (PRP) injections have been investigated in recent years as an emerging therapy for various musculoskeletal conditions, including lumbar degenerative disc disease. Although PRP has received increasing attention from medical science experts, comprehensive clinical reports of its efficacy are limited to those treating knee osteoarthritis and epicondylitis. Use of PRP is gaining popularity in the area of degenerative disc disease, but there is a clear need for reliable clinical evidence of its applications and effectiveness...
March 2018: Journal of Spine Surgery (Hong Kong)
https://www.readbyqxmd.com/read/29729760/editorial-commentary-platelet-rich-plasma-fountain-of-youth-cart-before-the-horse-or-both
#18
EDITORIAL
Matthew J Salzler
Platelet-rich plasma (PRP) injections have gained widespread popularity for the treatment of many orthopaedic conditions including osteoarthritis of the knee. Despite its increasing usage, there is comparatively little evidence regarding the mechanisms of action and relative roles of the multiple growth factors contained within PRP. That said, although future research will clarify the issue, current evidence suggests that PRP is safe and, for the treatment of knee osteoarthritis, effective.
May 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29724987/platelet-rich-plasma-prp-rinses-for-the-treatment-of-non-responding-oral-lichen-planus-a-case-report
#19
Elisabetta Merigo, Aldo Oppici, Anna Parlatore, Luigi Cella, Fabio Clini, Matteo Fontana, Carlo Fornaini
Platelet-rich plasma (PRP) has been proposed for different applications in the medical field and in maxillofacial surgery thanks to its many growth factors, such as epidermal growth factor (EGF), fibroblast growth factor (FGF), and keratinocyte growth factor (KGF). Oral lichen planus (OLP) is a disease that affects the oral mucosa in a chronic way. This disease frequently worsens the quality of life of patients, particularly when clinical manifestations are of the erythematous or erosive/ulcerative type. The properties of PRP that are supported by scientific literature in both oral medicine and other medical fields have suggested the introduction of PRP in clinical practice for the medical treatment of different soft tissues diseases, such as when OLP patients do not respond to conventional therapies, or when conventional treatments have some contraindications or side effects...
February 6, 2018: Biomedicines
https://www.readbyqxmd.com/read/29722764/platelet-rich-plasma-and-mesenchymal-stem-cells-exciting-but-%C3%A2-are-we-there-yet
#20
Isabel Andia, Jose I Martin, Nicola Maffulli
Joint conditions incapacitate free movement driving to a sedentary lifestyle, a major risk factor for chronic diseases. Regenerative procedures, involving the use of mesenchymal stem/stromal cells along with platelet-rich plasma (PRP), can help patients with these conditions. We describe the main characteristics of cellular products (bone marrow concentrate, stromal vascular fraction of adipose tissue, and mesenchymal stem/stromal cells derived from these tissues), and the potential benefits of combination with PRP in 3 scenarios: PRP lysates used during laboratory cell expansion; PRP to prime cellular products or the host tissue before cell implantation; PRP used as a vehicle for cell transplantation and to provide trophic signals...
June 2018: Sports Medicine and Arthroscopy Review
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