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Platelet-rich plasma and mesenchymal stem cell

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https://www.readbyqxmd.com/read/28815175/platelet-rich-plasma-an-elixir-for-treatment-of-alopecia-personal-experience-on-117-patients-with-review-of-literature
#1
REVIEW
Suruchi Garg, Shweta Manchanda
Platelet-rich plasma (PRP) has emerged as a new treatment modality in regenerative plastic surgery and dermatology. PRP is a simple, cost-effective and feasible treatment option with high patient satisfaction for hair loss and can be regarded as a valuable adjuvant treatment modality for androgenic alopecia and other types of non-scarring alopecias. Authors have proposed a hair model termed "Golden anchorage with 'molecular locking' of ectodermal and mesenchymal components for survival and integrity of hair follicle (HF)" in this article...
2017: Stem Cell Investigation
https://www.readbyqxmd.com/read/28734116/preparing-platelet-rich-plasma-with-whole-blood-harvested-intraoperatively-during-spinal-fusion
#2
Bin Shen, Zheng Zhang, Ning-Feng Zhou, Yu-Feng Huang, Yu-Jie Bao, De-Sheng Wu, Ya-Dong Zhang
BACKGROUND Platelet-rich plasma (PRP) has gained growing popularity in use in spinal fusion procedures in the last decade. Substantial intraoperative blood loss is frequently accompanied with spinal fusion, and it is unknown whether blood harvested intraoperatively qualifies for PRP preparation. MATERIAL AND METHODS Whole blood was harvested intraoperatively and venous blood was collected by venipuncture. Then, we investigated the platelet concentrations in whole blood and PRP, the concentration of growth factors in PRP, and the effects of PRP on the proliferation and viability of human bone marrow-derived mesenchymal stem cells (HBMSCs)...
July 22, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/28719231/biologic-injections-for-osteoarthritis-and-articular-cartilage-damage-can-we-modify-disease
#3
Weilong J Shi, Fotios P Tjoumakaris, Mayan Lendner, Kevin B Freedman
OBJECTIVE: The purpose of the present investigation is to conduct a systematic review of the literature to review the clinical results of platelet rich plasma (PRP) and mesenchymal stem cell treatments (MSC) (biologics) for articular cartilage lesions and osteoarthritis of the knee. METHODS: A search of the PubMed, EMBASE, and Cochrane databases was performed to identify studies involving biologic therapy for osteoarthritis or osteochondral defects. Only Level I-III clinical trials with at least 3-month follow-up were included...
July 28, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28697880/comparison-of-autologous-bone-marrow-and-adipose-tissue-derived-mesenchymal-stem-cells-and-platelet-rich-plasma-for-treating-surgically-induced-lesions-of-the-equine-superficial-digital-flexor-tendon
#4
A Romero, L Barrachina, B Ranera, A R Remacha, B Moreno, I de Blas, A Sanz, F J Vázquez, A Vitoria, C Junquera, P Zaragoza, C Rodellar
Several therapies have been investigated for equine tendinopathies, but satisfactory long term results have not been achieved consistently and a better understanding of the healing mechanism elicited by regenerative therapies is needed. The aim of this study was to assess the separate effects of autologous bone marrow (BM) and adipose tissue (AT) derived mesenchymal stem cells (MSCs), and platelet rich plasma (PRP), for treating lesions induced in the superficial digital flexor tendon (SDFT) of horses. Lesions were created surgically in both SDFTs of the forelimbs of 12 horses and were treated with BM-MSCs (six tendons), AT-MSCs (six tendons) or PRP (six tendons)...
June 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28602130/a-method-for-the-activation-of-platelet-rich-plasma-via-bead-mill-homogenizer-for-mesenchymal-stem-cell-culture
#5
Hyunwook Myung, Hyosun Jang, Jae Kyung Myung, Min-Jung Kim, Seung Bum Lee, Won-Suk Jang, Sun-Joo Lee, Hwi-Yool Kim, Seung-Sook Lee, Sehwan Shim, Sunhoo Park
Activated platelet-rich plasma (PRP) has been studied as a replacement for fetal bovine serum (FBS) in stem cell culture. However, current methods are time-consuming or require addition of exogenous substances to activate PRP, which have disadvantages in clinical applications. In this study, we developed a new method for PRP activation using a bead mill homogenizer and compared it with previous methods of PRP activation. PRP was prepared via a two-step centrifugation process and activated via calcium (Ca-PRP), freeze-thaw cycles (FT-PRP), or bead mill homogenizer processing (BM-PRP)...
August 2017: Tissue Engineering. Part C, Methods
https://www.readbyqxmd.com/read/28545565/the-combination-of-nano-calcium-sulfate-platelet-rich-plasma-gel-scaffold-with-bmp2-gene-modified-mesenchymal-stem-cells-promotes-bone-regeneration-in-rat-critical-sized-calvarial-defects
#6
Zunpeng Liu, Xue Yuan, Gabriela Fernandes, Rosemary Dziak, Ciprian N Ionita, Chunyi Li, Changdong Wang, Shuying Yang
BACKGROUND: Mesenchymal stem cells (MSCs) can be differentiated into an osteoblastic lineage in the presence of growth factors (GFs). Platelet-rich plasma (PRP), which can be easily isolated from whole blood, contains a large amount of GFs, and, therefore, promotes bone growth and regeneration. The main goal of this work was to develop and investigate the effect of a new sandwich-like bone scaffold which combines a nano-calcium sulfate (nCS) disc along with PRP fibrin gel (nCS/PRP) with BMP2-modified MSCs on bone repair and regeneration in rat critical-sized calvarial defects...
May 25, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28509821/minimum-information-for-studies-evaluating-biologics-in-orthopaedics-mibo-platelet-rich-plasma-and-mesenchymal-stem-cells
#7
Iain R Murray, Andrew G Geeslin, Ewan B Goudie, Frank A Petrigliano, Robert F LaPrade
BACKGROUND: A comprehensive approach to the evaluation of biologic therapies for musculoskeletal conditions is required to guide appropriate future use. Clinical studies evaluating platelet-rich plasma (PRP) and mesenchymal stem cells (MSCs) are limited by inadequate reporting of scientific details critical to outcome. We developed minimum reporting requirements for clinical studies evaluating PRP and MSCs using Delphi consensus methods. METHODS: The need for consensus on the minimum reporting requirements for studies evaluating biologics was identified at the American Academy of Orthopaedic Surgeons/Orthopaedic Research Society (AAOS/ORS) Biologic Treatments for Orthopaedic Injuries Symposium in 2015 and the American Orthopaedic Society for Sports Medicine (AOSSM) Biologic Treatments for Sports Injuries II Think Tank in 2015...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28485099/ectopic-bone-formation-by-aggregated-mesenchymal-stem-cells-from-bone-marrow-and-adipose-tissue-a-comparative-study
#8
Eelco M Fennema, Laurent A H Tchang, Huipin Yuan, Clemens A van Blitterswijk, Ivan Martin, Arnaud Scherberich, Jan de Boer
Tissue engineered constructs (TECs) based on spheroids of bone marrow mesenchymal stromal cells (BM-MSCs) combined with calcium phosphate (CaP) micro-particles and enveloped in a platelet-rich-plasma (PRP) hydrogel showed that aggregation of MSCs improves their ectopic bone formation potential. The stromal vascular fraction (SVF) and adipose-derived MSCs (ASCs) have been recognized as interesting MSC source for bone tissue engineering but their ectopic bone formation is limited. We investigated whether aggregation of ASCs could similarly improve ectopic bone formation by ASCs and SVF cells...
May 9, 2017: Journal of Tissue Engineering and Regenerative Medicine
https://www.readbyqxmd.com/read/28461922/bone-grafts-bone-graft-extenders-substitutes-and-enhancers-for-acetabular-reconstruction-in-revision-total-hip-arthroplasty
#9
REVIEW
Luca Pierannunzii, Luigi Zagra
Acetabular bone loss is a relevant concern for surgeons dealing with a failed total hip arthroplasty.Since the femoral head is no longer available, allografts represent the first choice for most reconstructive solutions, either as a structural buttress or impacted bone chips.Even though fresh-frozen bone is firmly recommended for structural grafts, freeze-dried and/or irradiated bone may be used alternatively for impaction grafting. Indeed, there are some papers on freeze-dried or irradiated bone impaction grafting, but their number is limited, as is the number of cases...
December 2016: EFORT open reviews
https://www.readbyqxmd.com/read/28400884/effectiveness-of-biologic-factors-in-shoulder-disorders
#10
REVIEW
Dimitrios Giotis, Ashkan Aryaei, Theofanis Vasilakakos, Nikolaos K Paschos
BACKGROUND: Shoulder pathology can cause significant pain, discomfort, and loss of function that all interfere with activities of daily living and may lead to poor quality of life. Primary osteoarthritis and rotator cuff diseases with its sequalae are the main culprits. Management of shoulder disorders using biological factors gained an increasing interest over the last years. This interest reveals the need of effective treatments for shoulder degenerative disorders, and highlights the importance of a comprehensive and detailed understanding of the rapidly increasing knowledge in the field...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28388908/evaluation-of-antigen-induced-synovitis-in-a-porcine-model-immunological-arthroscopic-and-kinetic-studies
#11
Francisco-Javier Vela, Francisco-Miguel Sánchez-Margallo, Rebeca Blázquez, Verónica Álvarez, Raquel Tarazona, M Teresa Mangas-Ballester, Alejandro Cristo, Javier G Casado
BACKGROUND: Synovitis is an inflammation-related disease linked to rheumatoid arthritis, osteoarthritis, infections and trauma. This inflammation is accompanied by immune cells infiltration which initiates an inflammatory response causing pain, discomfort and affecting the normal joint function. The treatment of synovitis is based on the administration of anti-inflammatory drugs or biological agents such as platelet rich plasma and mesenchymal stem cells. However, the evaluation and validation of more effective therapies of synovitis requires the establishment of clinically relevant animal models...
April 7, 2017: BMC Veterinary Research
https://www.readbyqxmd.com/read/28339434/platelet-rich-plasma-in-musculoskeletal-pathology-a-necessary-rescue-or-a-lost-cause
#12
REVIEW
Annu Navani, Gang Li, Joshua Chrystal
BACKGROUND: Platelet rich plasma (PRP) has been used for decades to facilitate surgical tissue repair; therefore, the current trend of percutaneously injecting PRP to theoretically enhance tissue regeneration and repair is a logical progression. Applications include treatment of osteoarthritis, tendinopathy, chondropathy, acute and chronic soft tissue injuries, muscle or ligament tear, as well as enhancement of healing after bone or tissue reconstruction. However, there is limited evidence to support the use of PRP in the abovementioned conditions...
March 2017: Pain Physician
https://www.readbyqxmd.com/read/28337451/in-vitro-studies-on-the-degradability-bioactivity-and-cell-differentiation-of-prp-az31b-mg-alloys-composite-scaffold
#13
Jian Zou, Zhongmin Shi, Hongwei Xu, Xiaolin Li
In recent years, more and more methods have been developed to improve the bioactivity of the biodegradable materials in bone tissue regeneration. In present study, we used rat mesenchymal stem cells (rMSCs) to evaluate the outcomes of Mg alloys (AZ31B, Magnesium, and Aluminum) and Platelet-rich plasma (PRP)/Mg alloys on rMSCs biocompatibility and osteogenic differentiation. Water absorption experiments indicated that both bare AZ31B and PRP/AZ31B were capable of absorbing large amounts of water. But the water absorption ratio for PRP/AZ31B was significantly higher than that for bare AZ31B...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28337218/effect-of-transplantation-of-bone-marrow-derived-mesenchymal-stem-cells-and-platelets-rich-plasma-on-experimental-model-of-radiation-induced-oral-mucosal-injury-in-albino-rats
#14
Basma Elsaadany, Samar El Kholy, Dalia El Rouby, Laila Rashed, Tarek Shouman
Normal tissue damage following radiotherapy is still a major problem in cancer treatment. Therefore, the current work aimed at exploring the possible role of systemically injected bone marrow derived mesenchymal stem cells (BM-MSCs) and/or locally injected platelet rich plasma (PRP) in ameliorating the side effects of ionizing radiation on the rat's tongue. Twelve rats served as control group (N) and 48 rats received a single radiation dose of 13 Gy to the head and neck region; then, they were equally divided into 4 experimental groups: irradiated only (C), irradiated + MSCs (S), irradiated + (PRP) (P), and combined group (PS)...
2017: International Journal of Dentistry
https://www.readbyqxmd.com/read/28321425/adult-cells-combined-with-platelet-rich-plasma-for-tendon-healing-cell-source-options
#15
Eva Rubio-Azpeitia, Pello Sánchez, Diego Delgado, Isabel Andia
BACKGROUND: The combination of cells with platelet-rich plasma (PRP) may fulfill tendon deficits and help overcome the limited ability of tendons to heal. PURPOSE: To examine the suitability of 3 human cell types in combination with PRP and the potential impact of the tenocyte-conditioned media (CM) to enhance tendon healing. STUDY DESIGN: Controlled laboratory study. METHODS: Tenocytes, bone marrow-derived mesenchymal stem cells, and skin fibroblasts were cultured in 3-dimensional PRP hydrogels supplemented or not with CM, and cell proliferation and migration were examined...
February 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28314112/can-mesenchymal-stem-cells-pretreated-with-platelet-rich-plasma-modulate-tissue-remodeling-in-a-rat-burn
#16
Hanan Hosni, Laila A Rashed, Soheir Mahfouz, Rania Elsayed Hussein, Marwa Alkaffas, Shaimaa Mostafa, Azza Abusree
AIM: To study the effect of PRP on BM-MSCs proliferation and to investigate their role on healing of experimental burn injury and possible mechanism of action. METHOD: Our work divided into in vitro and in vivo studies. In vitro study included,: MSCs and MSCs treated with PRP. TGF-β level and cell proliferation were assesed. In vivo study, 72 rats divided equally into 6 groups: control, burn, burn with MSCs, burn with PRP, burn with both MSCs and PRP and burn with MSCs pretreated with PRP...
March 17, 2017: Biochemistry and Cell Biology, Biochimie et Biologie Cellulaire
https://www.readbyqxmd.com/read/28276640/prospective-review-of-mesenchymal-stem-cells-differentiation-into-osteoblasts
#17
REVIEW
Priyanka Garg, Matthew M Mazur, Amy C Buck, Meghan E Wandtke, Jiayong Liu, Nabil A Ebraheim
Stem cell research has been a popular topic in the past few decades. This review aims to discuss factors that help regulate, induce, and enhance mesenchymal stem cell (MSC) differentiation into osteoblasts for bone regeneration. The factors analyzed include bone morphogenic protein (BMP), transforming growth factor β (TGF-β), stromal cell-derived factor 1 (SDF-1), insulin-like growth factor type 1 (IGF-1), histone demethylase JMJD3, cyclin dependent kinase 1 (CDK1), fucoidan, Runx2 transcription factor, and TAZ transcriptional coactivator...
February 2017: Orthopaedic Surgery
https://www.readbyqxmd.com/read/28265109/comparative-evaluation-of-leukocyte-and-platelet-rich-plasma-and-pure-platelet-rich-plasma-for-cartilage-regeneration
#18
Zhengliang Xu, Wenjing Yin, Yuelei Zhang, Xin Qi, Yixuan Chen, Xuetao Xie, Changqing Zhang
Platelet-rich plasma (PRP) has gained growing popularity in the treatment of articular cartilage lesions in the last decade. However, the potential harmful effects of leukocytes in PRP on cartilage regeneration have seldom been studied in vitro, and not at all in vivo yet. The objective of the present study is to compare the effects of leukocyte- and platelet-rich plasma (L-PRP) and pure platelet-rich plasma (P-PRP) on cartilage repair and NF-κB pathway, in order to explore the mechanism underlying the function of leukocytes in PRP in cartilage regeneration...
March 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28236164/evaluation-of-the-effects-of-the-combination-of-autologous-mesenchymal-stem-cells-and-platelet-rich-plasma-on-structural-bone-allograft-healing
#19
Chang-Goo Park, Min Wook Joo, Jinyoung Jeong, Yong-Koo Kang, Da-Reum Lee
In this study, we evaluated the efficacy of the combination of autologous mesenchymal stem cells (MSCs) and platelet-rich plasma (PRP) for enhancing structural allogenic bone graft healing in rabbits. For these experiments segmental bone defects (1.5-2 cm) were generated on femoral diaphysis of New Zealand white rabbits and reconstructed via structural allogenic bone grafting and additional intramedullary nail fixation. The structural allografts were subsequently wrapped with Gelfoam containing autologous MSCs and PRP, or PRP alone (control)...
June 2017: Cell and Tissue Banking
https://www.readbyqxmd.com/read/28203597/intra-articular-implantation-of-mesenchymal-stem-cells-part-1-a-review-of-the-literature-for-prevention-of-postmeniscectomy-osteoarthritis
#20
Matthew J Kraeutler, Justin J Mitchell, Jorge Chahla, Eric C McCarty, Cecilia Pascual-Garrido
Osteoarthritis (OA) after a partial or total meniscectomy procedure is a common pathology. Because of the high incidence of meniscectomy in the general population, as well as the significant burden of knee OA, there is increasing interest in determining methods for delaying postmeniscectomy OA. Biological therapies, including mesenchymal stem cells (MSCs), induced pluripotent stem cells (iPSCs), and platelet-rich plasma (PRP), have been proposed as possible therapies that could delay OA in this and other settings...
January 2017: Orthopaedic Journal of Sports Medicine
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