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Peng C, Yang L, Labens R, Gao Y, Zhu Y, Li J. A systematic review and meta-analysis of the efficacy of platelet-rich plasma products for treatment of equine joint disease. Equine Vet J 2024; 56:858-869. [PMID: 38185481 DOI: 10.1111/evj.14042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Accepted: 11/25/2023] [Indexed: 01/09/2024]
Abstract
BACKGROUND Equine joint disease including septic arthritis (SA) and osteoarthritis (OA) is a critical cause of equine lameness. Platelet-rich plasma (PRP) is one of the most popular regenerative therapies to treat equine OA, even SA, but the evidence in support of the treatment is conflicting. OBJECTIVES The aim of the study was to systematically review the current evidence on PRP products used for SA and OA, as well as the efficacy of PRP products as treatment for OA on the basis of a meta-analysis of the available literature. STUDY DESIGN Systematic review and meta-analysis. METHODS A systematic search of relevant databases (PubMed, Web of Science, Scopus) was performed to identify studies published from 2013 to 2023, in accordance with the PRISMA guidelines. Randomised controlled trials, non-randomised trials and controlled laboratory studies that used at least one type of PRP products were included. Dichotomous outcomes were presented using odds ratios (ORs) and 95% confidence intervals (95% CIs). RESULTS A total of 21 publications were identified in the systematic review and 5 of them in the meta-analysis. These publications involved various types of PRP products and reported different outcomes. Although most of the studies were associated with a high risk of bias, the overall estimated effect was consistent with a significant improvement in the PRP products treatment group compared with the control group (OR: 15.32; 95% CI: 3.00-78.15; p < 0.05). There was a significant improvement in clinical performance outcomes between the groups (OR: 36.64; 95% CI: 3.69-364.30; p < 0.05). CONCLUSION PRP products as intra-articular treatment are likely efficacious for treatment of equine OA and have potential for treating SA. These conclusions might be affected by the limited number of randomised controlled studies and high variability of different types of PRP products. To better evaluate the efficacy of PRP, a widely recognised classification system and the utilisation of randomised, blinded, equivalency or non-inferiority trials are required.
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Affiliation(s)
- Cong Peng
- Equine Clinical Diagnostic Center, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Luo Yang
- Equine Clinical Diagnostic Center, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Raphael Labens
- School of Agricultural, Environmental and Veterinary Sciences, Charles Sturt University, Bathurst, New South Wales, Australia
| | - Yu Gao
- University of Veterinary Medicine Hannover, Hanover, Lower Saxony, Germany
| | - Yiping Zhu
- Equine Clinical Diagnostic Center, College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Jing Li
- Equine Clinical Diagnostic Center, College of Veterinary Medicine, China Agricultural University, Beijing, China
- China Agricultural University Veterinary Teaching Hospital, Beijing, China
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2
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Eisa EFM, Ezzeldein SAM, Mohammed HA, Abdallah AA, Ghonimi WAM, Abd El Raouf M. Comparison of the therapeutic effect of platelet-rich plasma and injectable platelet-rich fibrin on testicular torsion/detorsion injury in rats. Sci Rep 2024; 14:18045. [PMID: 39103420 DOI: 10.1038/s41598-024-67704-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Accepted: 07/15/2024] [Indexed: 08/07/2024] Open
Abstract
Testicular torsion is a common disorder in males and results in blockage of testicular circulation with subsequent damage of testicular germ cells. The current work aimed to compare the therapeutic effect of platelet-rich plasma (PRP) and injectable platelet-rich fibrin (i-PRF) on torsion/detorsion (T/D) injury in rats. Forty mature male Wister rats were arranged into 4 groups; (1) Control, (2) T/D, (3) T/D + PRP, and (4) T/D+ i-PRF. The right testis was twisting 1080° clockwise for 3 h in groups 2, 3 and 4, then 10 μl of PRP or i-PRF was injected intra-testicular 3 h after detorsion in groups 3 and 4, respectively. After 30 days postoperatively, the semen quality and hormonal assay were improved in PRP and i-PRF-treated groups with superiority of i-PRF (P < 0.001). High significance of Catalase, Glutathione Peroxidase (GPx), Superoxide Dismutase, Interleukin-1β (IL-1β), Caspase-3 and Tumor necrosis factor-α (TNF-α) was reported in treated rats with PRP and i-PRF (P < 0.001) with superiority to i-PRF-treated rats (P < 0.001). Testicular histoarchitectures were improved in PRP and i-PRF-treated rats with superiority of i-PRF-treated rats. It was concluded that PRP and i-PRF have regenerative efficacy on testicular damage after induced T/D injury with a superior efficacy of i-PRF.
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Affiliation(s)
- Eslam F M Eisa
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Shimaa A M Ezzeldein
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Haiam A Mohammed
- Department of Physiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Asmaa A Abdallah
- Department of Theriogenology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Wael A M Ghonimi
- Department of Histology and Cytology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt
| | - Mustafa Abd El Raouf
- Department of Surgery, Anesthesiology and Radiology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44519, Egypt.
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3
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Serdarogullari M, Raad G, Makieva S, Liperis G, Fraire-Zamora JJ, Celik-Ozenci C. Revitalizing female fertility: platelet-rich plasma - hype or hope? Reprod Biomed Online 2024; 49:103813. [PMID: 38852205 DOI: 10.1016/j.rbmo.2024.103813] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 12/30/2023] [Accepted: 01/03/2024] [Indexed: 06/11/2024]
Abstract
Platelet-rich plasma (PRP) has gained popularity as an experimental tool in regenerative medicine, with potential applications in reproductive medicine. This review will assess the existing literature on the role of PRP in female fertility enhancement, focusing on ovarian rejuvenation and increased endometrial thickness. PRP is being explored as a treatment for recurrent implantation failure, primary ovarian insufficiency and poor ovarian response. While the influence of PRP on endometrial thickness and implantation success is postulated, its effectiveness remains the subject of debate due to protocol variability and unclear patient selection criteria. This narrative review includes 36 articles published before December 2022, and highlights the lack of comprehensive molecular studies examining the impact of PRP on reproductive capacity. This review underscores the importance of standardizing PRP preparation protocols in reproductive medicine. However, challenges persist, and there is a need for well-planned randomized controlled trials and a deeper understanding of the patient population that would gain the greatest benefit from PRP treatment. Clarifying these aspects is crucial to improve outcomes for low-prognosis patients undergoing assisted reproductive technology.
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Affiliation(s)
- Munevver Serdarogullari
- Department of Histology and Embryology, Faculty of Medicine, Cyprus International University, Northern Cyprus via Mersin 10, Turkey
| | - Georges Raad
- Faculty of Medicine and Medical Sciences, Holy Spirit University of Kaslik, Jounieh, Lebanon; Al Hadi Laboratory and Medical Centre, Beirut, Lebanon
| | - Sofia Makieva
- Kinderwunschzentrum, Klinik für Reproduktions-Endokrinologie, Universitätsspital Zürich, Zurich, Switzerland
| | - Georgios Liperis
- Westmead Fertility Centre, Institute of Reproductive Medicine, University of Sydney, Westmead, NSW, Australia
| | | | - Ciler Celik-Ozenci
- Department of Histology and Embryology, School of Medicine, Koc University, Istanbul, Turkey; Koç University Research Centre for Translational Medicine, Istanbul, Turkey.
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Al-Arman AM, Moneir W, Amer HE, Ebada HA. Platelet rich fibrin augmented tympanoplasty versus cartilage tympanoplasty: a randomized clinical trial. Eur Arch Otorhinolaryngol 2024:10.1007/s00405-024-08819-2. [PMID: 39042174 DOI: 10.1007/s00405-024-08819-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2024] [Accepted: 07/01/2024] [Indexed: 07/24/2024]
Abstract
OBJECTIVES The aim of the current study was to evaluate the efficacy of PRF-augmented fascia tympanoplasty versus cartilage tympanoplasty in repair of large TM perforations. METHODS This randomized clinical trial included 156 patients with dry large tympanic membrane perforations. Patients were randomly allocated into 2 groups, cartilage tympanoplasty group (n = 77) and platelet rich fibrin (PRF) augmented tympanoplasty group (n = 79). Graft take rates, hearing outcomes, operative time, and postoperative complications were documented and compared. RESULTS Graft take rate was 96.1% in the cartilage group and 93.7% PRF group with no statistically significant difference. Operative time was significantly longer in the cartilage group. No differences in the hearing outcomes and postoperative complications were reported. CONCLUSION Application of PRF on the fascia in tympanoplasty promotes healing of the tympanic membrane. PRF is safe, cheap, readily available, and easily prepared and applied. It increases the success rates of large tympanic membrane perforations without the need for cartilage grafts.
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Affiliation(s)
| | - Waleed Moneir
- Department of Otorhinolaryngology, Mansoura University, Mansoura, 35511, Egypt
| | - Hazem Emam Amer
- Department of Otorhinolaryngology, Mansoura University, Mansoura, 35511, Egypt
| | - Hisham Atef Ebada
- Department of Otorhinolaryngology, Mansoura University, Mansoura, 35511, Egypt.
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Everts PA, Lana JF, Alexander RW, Dallo I, Kon E, Ambach MA, van Zundert A, Podesta L. Profound Properties of Protein-Rich, Platelet-Rich Plasma Matrices as Novel, Multi-Purpose Biological Platforms in Tissue Repair, Regeneration, and Wound Healing. Int J Mol Sci 2024; 25:7914. [PMID: 39063156 PMCID: PMC11277244 DOI: 10.3390/ijms25147914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2024] [Revised: 07/07/2024] [Accepted: 07/17/2024] [Indexed: 07/28/2024] Open
Abstract
Autologous platelet-rich plasma (PRP) preparations are prepared at the point of care. Centrifugation cellular density separation sequesters a fresh unit of blood into three main fractions: a platelet-poor plasma (PPP) fraction, a stratum rich in platelets (platelet concentrate), and variable leukocyte bioformulation and erythrocyte fractions. The employment of autologous platelet concentrates facilitates the biological potential to accelerate and support numerous cellular activities that can lead to tissue repair, tissue regeneration, wound healing, and, ultimately, functional and structural repair. Normally, after PRP preparation, the PPP fraction is discarded. One of the less well-known but equally important features of PPP is that particular growth factors (GFs) are not abundantly present in PRP, as they reside outside of the platelet alpha granules. Precisely, insulin-like growth factor-1 (IGF-1) and hepatocyte growth factor (HGF) are mainly present in the PPP fraction. In addition to their roles as angiogenesis activators, these plasma-based GFs are also known to inhibit inflammation and fibrosis, and they promote keratinocyte migration and support tissue repair and wound healing. Additionally, PPP is known for the presence of exosomes and other macrovesicles, exerting cell-cell communication and cell signaling. Newly developed ultrafiltration technologies incorporate PPP processing methods by eliminating, in a fast and efficient manner, plasma water, cytokines, molecules, and plasma proteins with a molecular mass (weight) less than the pore size of the fibers. Consequently, a viable and viscous protein concentrate of functional total proteins, like fibrinogen, albumin, and alpha-2-macroglobulin is created. Consolidating a small volume of high platelet concentrate with a small volume of highly concentrated protein-rich PPP creates a protein-rich, platelet-rich plasma (PR-PRP) biological preparation. After the activation of proteins, mainly fibrinogen, the PR-PRP matrix retains and facilitates interactions between invading resident cells, like macrophages, fibroblast, and mesenchymal stem cells (MSCs), as well as the embedded concentrated PRP cells and molecules. The administered PR-PRP biologic will ultimately undergo fibrinolysis, leading to a sustained release of concentrated cells and molecules that have been retained in the PR-PRP matrix until the matrix is dissolved. We will discuss the unique biological and tissue reparative and regenerative properties of the PR-PRP matrix.
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Affiliation(s)
- Peter A. Everts
- Gulf Coast Biologics, A Non-Profit Organization, Fort Myers, FL 33916, USA
- OrthoRegen Group, Max-Planck University, Indaiatuba 13334-170, SP, Brazil;
| | - José Fábio Lana
- OrthoRegen Group, Max-Planck University, Indaiatuba 13334-170, SP, Brazil;
| | - Robert W. Alexander
- Regenevita Biocellular Aesthetic & Reconstructive Surgery, Cranio-Maxillofacial Surgery, Regenerative and Wound Healing, Hamilton, MT 59840, USA;
- Department of Surgery & Maxillofacial Surgery, School of Medicine & Dentistry, University of Washington, Seattle, WA 98195, USA
| | - Ignacio Dallo
- Unit of Biological Therapies and MSK Interventionism, Department of Orthopaedic Surgery and Sports Medicine, Sport Me Medical Center, 41013 Seville, Spain;
| | - Elizaveta Kon
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele, 20072 Milan, Italy;
- IRCCS Humanitas Research Hospital, Rozzano, 20089 Milan, Italy
| | - Mary A. Ambach
- BioEvolve, San Diego Orthobiologics and Sports Center, San Diego, CA 92024, USA
| | - André van Zundert
- Department of Anaesthesia and Perioperative Medicine, Royal Brisbane and Women’s Hospital, Brisbane and The University of Queensland, Brisbane 4072, Australia;
| | - Luga Podesta
- Bluetail Medical Group & Podesta Orthopedic Sports Medicine, Naples, FL 34109, USA;
- Physical Medicine & Rehabilitation Orlando College of Osteopathic Medicine, Orlando, FL 32806, USA
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Lunardon T, Sumner SM, Mollabashi M, Darzenta N, Davis E, Naskou MC. Growth factor and cytokine characterization of canine platelet lysate with variable leukocyte concentration, plasma content, and heat-sensitive proteins. Front Vet Sci 2024; 11:1408080. [PMID: 39071789 PMCID: PMC11272652 DOI: 10.3389/fvets.2024.1408080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/21/2024] [Indexed: 07/30/2024] Open
Abstract
Background Platelet lysate is an acellular platelet product containing factors released from secretory granules, including cytokines and growth factors. This study aimed to evaluate different centrifugation methods used to prepare canine platelet lysate with variable content of leukocytes, plasma, and heat-sensitive proteins. Methods Whole blood was collected from six dogs and two double-spin preparation methods were used to generate the platelet-rich plasma with reduced (PRP) and high (L-PRP) concentration of leukocytes. A portion of both methods underwent plasma depletion via centrifugation and platelet lysate was generated via freeze-thaw cycles. A portion of the generated platelet lysate underwent complement inactivation via heat treatment. Growth factors (TGF-β1, VEGF, TNF-α, PDGF-BB, HGF) were quantified in all different platelet lysate preparations using ELISAs. Results Both platelet-rich plasma preparations had a 6.7-fold increase in platelet concentration. White blood cell (WBC) concentration compared to whole blood increased 1.2-fold times in PRP and 1.9-fold times in L-PRP. Negligible concentrations of platelets, WBC, and hematocrit were identified in all lysate groups. Statistically significant differences were identified for PDGF, VEGF, and TNF-α, and not for TGF-β or HGF. No growth factor differences were noted between centrifugation methods. PDGF was significantly higher in platelet lysate that was plasma depleted. VEGF was significantly higher in heat-treated lysate groups. TNF-α concentrations were overall very low, though were noted to significantly increase following plasma depletion. Conclusion These results support that growth factors and cytokine release can be affected by the platelet lysate preparation and processing.
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Affiliation(s)
- Thainá Lunardon
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Scarlett M. Sumner
- Department of Clinical Sciences, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Melikasadat Mollabashi
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Nikolia Darzenta
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Emily Davis
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
| | - Maria C. Naskou
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
- Scott-Ritchey Research Center, College of Veterinary Medicine, Auburn University, Auburn, AL, United States
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Al-Rihaymee S, Mahmood MS, Abdulbaqi HR, Majeed ZN. Platelet-rich fibrin as an adjunct to scaling and root planing in treatment of shallow periodontal pockets: a randomized clinical trial. J Oral Biosci 2024:S1349-0079(24)00150-6. [PMID: 38997108 DOI: 10.1016/j.job.2024.07.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 07/05/2024] [Accepted: 07/08/2024] [Indexed: 07/14/2024]
Abstract
OBJECTIVES To evaluate the efficacy of platelet-rich fibrin (PRF) as an adjunct to scaling and root planing (ScRp) for healing shallow periodontal pockets. METHODS Twelve patients with periodontitis were enrolled in this split-mouth, randomized clinical trial. A total of 24 shallow periodontal pockets (4-6 mm) were treated by either ScRp alone (control) or PRF (test). Clinical attachment loss (CAL), probing pocket depth (PPD), bleeding on probing (BOP), and plaque index (PLI), as well as platelet-derived growth factor-BB (PDGF-BB) by enzyme-linked immunosorbent assay (ELISA) in gingival crevicular fluid (GCF) were measured at baseline and at 1- and 3-month follow-up visits. RESULTS At 1- and 3-month follow-up visits, greater CAL gains (2.6 ± 0.25 mm and 3.26 ± 0.31 mm, respectively) and PPD reductions (2.58 ± 0.38 and 3.31 ± 0.39 mm, respectively) were observed in the test group compared to those in controls (CAL gain of 1.01 ± 0.49 mm and 1.43 ± 0.48 mm; PPD reduction of 1.1 ± 0.55 and 1.37 ± 0.49 mm, respectively). In addition, the increase in PDGF-BB in GCF in the test group (724.5 ± 186.09 pg/μl and 1957.5 ± 472.9 pg/μl) was significantly greater than that in controls (109.3 ± 24.07 and 614.64 ± 209.3 pg/μl) at 1- and 3-month follow-up visits, respectively. CONCLUSIONS The noninvasive use of PRF as an adjunct to ScRp successfully improved clinical periodontal parameters and might contribute to increased PDGF-BB in GCF.
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Affiliation(s)
- Sarah Al-Rihaymee
- Department of Periodontics, College of Dentistry, University of Babylon.
| | - Maha Sh Mahmood
- Department of Periodontics, College of Dentistry, University of Baghdad
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Dinaki K, Grigoriadis N, Vizirianakis IS, Constantinidis J, Triaridis S, Karkos P. The impact of submucosal PRP injection on wound healing after endoscopic sinus surgery: a randomized clinical trial. Eur Arch Otorhinolaryngol 2024; 281:3587-3599. [PMID: 38334783 PMCID: PMC11211195 DOI: 10.1007/s00405-024-08483-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Accepted: 01/13/2024] [Indexed: 02/10/2024]
Abstract
PURPOSE Chronic rhinosinusitis (CRS) is a prevalent chronic disease observed on a global scale. The utilization of endoscopic sinus surgery (ESS) has gained significant recognition as an effective intervention for individuals with CRS and nasal polyps who have not responded to conventional treatments. The need (or not) for revision surgery frequently relies on the promotion of optimal wound healing. The impact of platelet-rich plasma (PRP) on tissue healing has been extensively examined in various surgical fields. METHODS The present prospective study involved 30 patients suffering with nasal polyposis who underwent endoscopic sinus surgery. 15 patients were assigned to the PRP group, and 15 patients to the control group. The clinical follow-up of the patients took place at specific intervals, at weeks 1, 2, 3, 4, 8, and 12 after the surgical procedure. The evaluator identified the existence of adhesions, crusting, bleeding, granulation and infection using a visual analogue scale score. The patients also completed the SNOT 22 questionnaire prior to surgery and at each postoperative visit. RESULTS The present study observed a lower incidence of adhesion, infection, hemorrhage and granulation in the PRP group. Furthermore, a statistically significant difference was detected between the groups. CONCLUSION Based on the findings of the present investigation, it seems that platelet-rich plasma (PRP) is beneficial on wound healing during the early stages following the surgical procedure. The technique is characterized by its limited invasiveness, which contributes to its low risk profile and the achievement of clinically good outcomes.
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Affiliation(s)
- Konstantina Dinaki
- 1st Academic ORL Department, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.
| | - Nikolaos Grigoriadis
- Laboratory of Pharmacology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Ioannis S Vizirianakis
- Laboratory of Pharmacology, School of Pharmacy, Aristotle University of Thessaloniki, Thessaloniki, Greece
- Department of Health Sciences, School of Life and Health Sciences, University of Nicosia, Nicosia, Cyprus
| | - Jannis Constantinidis
- 1st Academic ORL Department, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stefanos Triaridis
- 1st Academic ORL Department, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Petros Karkos
- 1st Academic ORL Department, AHEPA Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Moghadam A, Moghadam N, Doremami V, Pishghadam S, Mafi A. A New Experimental Technique for Complete Extraction of Mandibular First Molar Teeth in Rats. J Vet Dent 2024; 41:288-292. [PMID: 37259559 DOI: 10.1177/08987564231177576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Intact extraction of the mandibular first molar tooth is an interesting model for studies of alveolar bone healing. The aim of this study was to describe a new experimental technique for extraction of rat mandibular first molar teeth with crown and all 4 roots intact using controlled forces applied to the teeth. One hundred and twenty female Sprague-Dawley rats were used from a center for experimental animal research. Animals underwent general anesthesia and were then placed in a special dental unit (designed by Moghadam) for the extraction of rat teeth. After syndesmotomy, luxation of the tooth began with a tipping movement in the buccal direction with a very low range of motion for 1 s. A tipping movement in the lingual direction was then used to continue luxation. After a maximum of 10 repetitions, the tooth was left alone for 30 s. After 3-4 stages of this cycle, the tooth loosened. To complete the luxation, the same forces were applied in the buccal and lingual directions with larger amplitude for 3 s. After this step, the tooth was loose enough to be easily extracted. The alveolus was then sutured closed. The results showed no hemorrhage or fracture of crowns and mesial or distal roots, and only 8% of the buccal and lingual roots fractured. The technique designed and used in this study was shown to be an effective model for complete molar tooth extraction in the rat. This technique could also be used in the treatment of other rodents.
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Affiliation(s)
- Abbas Moghadam
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
- Neuroscience Research Center, Qom University of Medical Sciences, Qom, Iran
| | - Niloofar Moghadam
- Faulty of Dentistry, Qom University of Medical Sciences, Qom, Iran
- Student Research Committee, Qom University of Medical Sciences, Qom, Iran
| | - Vahid Doremami
- Faulty of Dentistry, Qom University of Medical Sciences, Qom, Iran
- Student Research Committee, Qom University of Medical Sciences, Qom, Iran
| | - Saeede Pishghadam
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Afsaneh Mafi
- Cellular and Molecular Research Center, Qom University of Medical Sciences, Qom, Iran
- Neuroscience Research Center, Qom University of Medical Sciences, Qom, Iran
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A.K. S, Sahoo N, Kumar D, Malhi R. Efficacy of platelet-rich fibrin in maxillary sinus augmentation and simultaneous implant placement in deficient maxillary ridges: A pilot comparative study. Med J Armed Forces India 2024; 80:420-427. [PMID: 39071757 PMCID: PMC11279723 DOI: 10.1016/j.mjafi.2022.08.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Accepted: 08/18/2022] [Indexed: 07/30/2024] Open
Abstract
Background Rehabilitation with dental implants has become the most widely accepted treatment protocol for rehabilitation of lost natural teeth. Direct sinus lift is one of the most predictable procedures for augmenting the deficient posterior maxillary ridges. Methods The study was designed in patients with insufficient bone for implants in the maxillary posterior ridges. The test group received platelet-rich fibrin alone as filler, and the control group received a bone allograft. The residual bone height (RBH), implant mobility, and soft tissue characteristics between and within the groups were compared and analyzed. Results Both the groups had considerable gain in RBH, and the intragroup analysis revealed clinical gain in bone height in both the groups, with the test group exhibiting statistically significant gain which kept on improving from 6 months with z= -3.477 and a p value of 0.001 to 9 months with z=-3.531 and a p value of 0.027. Conclusion The results suggest that the use of platelet-rich fibrin alone improves the bone regeneration, thereby achieving predictable and stable augmentation of the sinus floor required for the success of implant therapy.
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Affiliation(s)
- Shreehari A.K.
- Senior Specialist (Periodontology), ADC (R&R), New Delhi, India
| | - N.K. Sahoo
- Former DGDS, O/o DGDS, IHQ of MoD, Delhi, India
| | - Dinesh Kumar
- Associate Professor, ADC (R&R), New Delhi, India
| | - R.S. Malhi
- Professor, Department of Transfusion Medicine, Armed Forces Medical College, Pune, India
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11
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Wang F, Zhang X, Zhang J, Xu Q, Yu X, Xu A, Yi C, Bian X, Shao S. Recent advances in the adjunctive management of diabetic foot ulcer: Focus on noninvasive technologies. Med Res Rev 2024; 44:1501-1544. [PMID: 38279968 DOI: 10.1002/med.22020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2022] [Revised: 12/15/2023] [Accepted: 01/10/2024] [Indexed: 01/29/2024]
Abstract
Diabetic foot ulcer (DFU) is one of the most costly and serious complications of diabetes. Treatment of DFU is usually challenging and new approaches are required to improve the therapeutic efficiencies. This review aims to update new and upcoming adjunctive therapies with noninvasive characterization for DFU, focusing on bioactive dressings, bioengineered tissues, mesenchymal stem cell (MSC) based therapy, platelet and cytokine-based therapy, topical oxygen therapy, and some repurposed drugs such as hypoglycemic agents, blood pressure medications, phenytoin, vitamins, and magnesium. Although the mentioned therapies may contribute to the improvement of DFU to a certain extent, most of the evidence come from clinical trials with small sample size and inconsistent selections of DFU patients. Further studies with high design quality and adequate sample sizes are necessitated. In addition, no single approach would completely correct the complex pathogenesis of DFU. Reasonable selection and combination of these techniques should be considered.
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Affiliation(s)
- Fen Wang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Xiaoling Zhang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Jing Zhang
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Qinqin Xu
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Xuefeng Yu
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Anhui Xu
- Division of Radiology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chengla Yi
- Division of Trauma Surgery, Tongji Hospital, Tongji Medical College, Wuhan, China
| | - Xuna Bian
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
| | - Shiying Shao
- Division of Endocrinology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Branch of National Clinical Research Center for Metabolic Diseases, Hubei, China
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12
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Behnia P, Rohani B, Sajedi SM, Firoozi P, Fekrazad R. Efficacy of photobiomodulation following L-PRF application for recovery of mental nerve neurosensory disturbances caused by genioplasty: A randomized triple-blind clinical trial. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY. B, BIOLOGY 2024; 258:112973. [PMID: 38986264 DOI: 10.1016/j.jphotobiol.2024.112973] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/10/2024] [Accepted: 06/28/2024] [Indexed: 07/12/2024]
Abstract
The present study assessed the efficacy of photobiomodulation (PBM) following leukocyte-platelet rich fibrin (L-PRF) application for recovery of mental nerve neurosensory disturbances (NSDs) caused by genioplasty. This randomized triple-blind split-mouth clinical trial was conducted on 20 female patients (40 quadrants) requiring genioplasty. In each patient, one random side of the mandible served as the intervention (laser), and the other side as the control group. After genioplasty and L-PRF application, the intervention side underwent GaAIAs diode laser irradiation (880 nm, 500 mW, 15 J/cm2, 0.5 cm2 spot size, continuous-wave). Each point was laser irradiated for 15 s. Unilateral extraoral PBM was performed at 1, 3, 7, 14, 21, and 28 days, postoperatively. Laser in off mode (sham laser) was used for the control side. A visual analog scale (VAS) was used for general sensitivity, and 2-point discrimination, directional discrimination, pain discrimination, and thermal discrimination tests were used to assess the neurosensory recovery at 2 days, 2 weeks, 4 weeks, and 2 months, postoperatively. Statistical analyses were performed using two-way repeated measures ANOVA, Bonferroni test, and generalized estimating equation (alpha = 0.05). Time had a significant effect on improvement of all sensory variables (P < 0.05). Neurosensory recovery was significantly better in the intervention than the control group at all time points according to the two-point discrimination test (P = 0.0135) and brush test (P = 0.025) results. The interaction effect of time and intervention was not significant on any dependent variable (P > 0.05). Application of L-PRF + PBM resulted in significantly greater sensorineural recovery according to the two-point discrimination and brush test results.
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Affiliation(s)
- Parsa Behnia
- Radiation Sciences Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Bita Rohani
- Department of Oral Medicine, Faculty of Dentistry, AJA University of Medical Sciences, Tehran, Iran
| | - Seyed Masoud Sajedi
- Department of Oral and Maxillofacial Medicine, Faculty of Dentistry, Shahed University, Tehran, Iran
| | - Parsa Firoozi
- Radiation Sciences Research Center, AJA University of Medical Sciences, Tehran, Iran
| | - Reza Fekrazad
- International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), AJA University of Medical Sciences, Tehran, Iran.
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13
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Nagori SA, Gopalakrishnan V, Rangarajan H, Kulkarni V, Roychoudhury A. Does intra-articular injection of platelet-rich plasma/platelet-rich fibrin improve outcomes after temporomandibular joint arthrocentesis? A systematic review and meta-analysis. Br J Oral Maxillofac Surg 2024:S0266-4356(24)00169-4. [PMID: 39097521 DOI: 10.1016/j.bjoms.2024.06.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 06/13/2024] [Accepted: 06/24/2024] [Indexed: 08/05/2024]
Abstract
Platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) have been used as adjuncts to temporomandibular joint (TMJ) arthrocentesis but without any high-quality evidence. This systematic review collated data from published randomised controlled trials (RCTs) to provide level-1 evidence on its efficacy. Trials published on the databases of PubMed, Scopus, Embase, CENTRAL, and Web of Science up to 4 August 2023 and comparing intra-articular PRP/PRF with control after TMJ arthrocentesis were eligible. Primary outcomes were pain and maximal mouth opening (MMO). Twelve RCTs were included. Pooled analysis showed that pain scores were significantly reduced with the use of PRP/PRF as compared with control at one month (MD: -0.96 95% CI: -1.58 to -0.35 I2 = 86%), three months (MD: -1.22 95% CI: -1.86 to -0.59 I2 = 85%), and ≥six months (MD: -1.61 95% CI: -2.22 to -1.00 I2 = 88%). Similarly, MMO was significantly improved in the PRP/PRF group at one month (MD: 2.40 95% CI: 1.02 to 3.77 I2 = 88%), three months (MD: 3.17 95% CI: 1.63 to 4.72 I2 = 91%), and ≥six months (MD: 2.98 95% CI: 1.86 to 4.10 I2 = 75%) as compared with the control group. Subgroup analysis for PRP and PRF failed to show any difference in outcomes. Moderate quality evidence suggests that PRP and PRF may significantly improve pain and MMO when used as adjuncts to TMJ arthrocentesis. Due to the small effect size, the clinical significance of the results is questionable. The high heterogeneity in PRP/PRF preparation methods is a significant limitation.
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Affiliation(s)
| | - Venkatesan Gopalakrishnan
- Department of Oral & Maxillofacial Surgery, Army Dental Centre (Research & Referral), New Delhi, India
| | - H Rangarajan
- Department of Oral & Maxillofacial Surgery, Army Dental Centre (Research & Referral), New Delhi, India
| | - Vishal Kulkarni
- Department of Oral & Maxillofacial Surgery, Army Dental Centre (Research & Referral), New Delhi, India
| | - Ajoy Roychoudhury
- Department of Oral & Maxillofacial Surgery, All India Institute of Medical Sciences, New Delhi, India
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14
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Blanco J, García Alonso A, Hermida-Nogueira L, Castro AB. How to explain the beneficial effects of leukocyte- and platelet-rich fibrin. Periodontol 2000 2024. [PMID: 38923566 DOI: 10.1111/prd.12570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 03/06/2024] [Accepted: 04/15/2024] [Indexed: 06/28/2024]
Abstract
The survival of an organism relies on its ability to repair the damage caused by trauma, toxic agents, and inflammation. This process involving cell proliferation and differentiation is driven by several growth factors and is critically dependent on the organization of the extracellular matrix. Since autologous platelet concentrates (APCs) are fibrin matrices in which cells, growth factors, and cytokines are trapped and delivered over time, they are able to influence that response at different levels. The present review thoroughly describes the molecular components present in one of these APCs, leukocyte- and platelet-rich fibrin (L-PRF), and summarizes the level of evidence regarding the influence of L-PRF on anti-inflammatory reactions, analgesia, hemostasis, antimicrobial capacity, and its biological mechanisms on bone/soft tissue regeneration.
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Affiliation(s)
- Juan Blanco
- Department of Surgery (Stomatology, Unit of Periodontology), Universidade de Santiago de Compostela, Santiago de Compostela, Spain
| | - Angel García Alonso
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Santiago de Compostela University, Santiago de Compostela, Spain
| | - Lidia Hermida-Nogueira
- Platelet Proteomics Group, Center for Research in Molecular Medicine and Chronic Diseases (CIMUS), Santiago de Compostela University, Santiago de Compostela, Spain
| | - Ana B Castro
- Department of Oral Health Sciences, Section of Periodontology, KU Leuven & Dentistry, University Hospitals Leuven, Leuven, Belgium
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15
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Ye L, He Y, Ma W, Zhou F, Liu J. Effect of platelet-rich fibrin on the recovery after third molar surgery: A systematic review and meta-analysis. J Craniomaxillofac Surg 2024:S1010-5182(24)00205-1. [PMID: 39003218 DOI: 10.1016/j.jcms.2024.06.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 01/12/2024] [Accepted: 06/11/2024] [Indexed: 07/15/2024] Open
Abstract
This meta-analysis aimed to elucidate the effects of platelet-rich fibrin (PRF) on the recovery of alveolar bone after surgical removal of the mandibular third molars. PubMed, Cochrane Library, Web of Science, and Embase databases were searched from the inception to February 2023 for relevant studies on the application of PRF after the extraction of impacted mandibular third molars, with the language limited to English. Literature screening was conducted by two independent researchers. The Cochrane risk-of-bias tool was adopted for quality evaluation, and Stata 15.0 was used for statistical analysis. A total of 33 randomized controlled trials were included in the present study. Following surgical removal of the mandibular third molars, 1139 tooth sockets were filled with PRF, while 1138 sockets were sutured after conventional saline irrigation. The meta-analyses showed that PRF can relieve pain [(RR 0.454; 95% CI 0.23, 0.891); (SMD -0.74; 95% CI -0.97, 0.52)], improve swelling (SMD -1.48; 95% CI -1.90, -1.06), alleviate trismus (SMD -0.35; 95% CI -0.51, -0.19), reduce dry socket (SMD -0.18; 95% CI -030, -0.05), and promote bone tissue healing (SMD 2.34; 95% CI 0.18, 4.51). The current study confirms that PRF can reduce some postoperative complications. Local application of PRF after lower third molar extraction is a viable method for relieving pain and swelling, reducing the incidence of dry socket and trismus, and increasing bone density. However, whether it can promote soft tissue healing remains unclear. For patients undergoing complicated surgical extraction, local application of PRF into the sockets might be a good option.
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Affiliation(s)
- Lu Ye
- School of Basic Medicine, Chengdu University, Chengdu, Sichuan, China
| | - Yun He
- School of Basic Medicine, Chengdu University, Chengdu, Sichuan, China
| | - Weichao Ma
- Department of Neurosurgery, Sichuan Cancer Hospital & Institute, Sichuan Cancer Center, University of Electronic Science and Technology of China, Chengdu, Sichuan, China
| | - Fengjuan Zhou
- Medical Center Hospital of Qionglai City, Qionglai, Sichuan, China
| | - Juan Liu
- School of Basic Medicine, Chengdu University, Chengdu, Sichuan, China.
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16
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Anis M, Abdelrahman AR, Attia R, Zahran A. Tomographic assessment of bone changes in atrophic maxilla treated by split-crest technique and dental implants with platelet-rich fibrin and NanoBone ® versus platelet-rich fibrin alone: Randomized controlled trial. BMC Oral Health 2024; 24:691. [PMID: 38877464 PMCID: PMC11177399 DOI: 10.1186/s12903-024-04420-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 05/29/2024] [Indexed: 06/16/2024] Open
Abstract
BACKGROUND This study evaluated the clinical benefits of adding NanoBone® with split-crest technique and simultaneous implant placement covered with platelet-rich fibrin membrane in horizontally deficient maxillary ridges in terms of crestal and horizontal bone changes and patient morbidity. METHODS Forty patients indicated for maxillary ridge splitting and simultaneous implant placement were assigned randomly to the study groups: control group (Platelet Rich Fibrin membrane) and test group (Platelet Rich Fibrin membrane + Nanobone®). The Cone Beam Computed Tomography Fusion technique was utilized to assess crestal and horizontal bone changes after five months of the surgical procedure. Patient morbidity was recorded for one week post-surgical. RESULTS Five months post-surgical, buccal crestal bone resorption was 1.26 ± 0.58 mm for the control group and 1.14 ± 0.63 mm for the test group. Lingual crestal bone resorption was 1.40 ± 0.66 mm for the control group and 1.47 ± 0.68 mm for the test group. Horizontal bone width gain was 1.46 ± 0.44 mm for the control group and 1.29 ± 0.73 mm for the test group. There was no significant statistical difference between study groups regarding crestal and horizontal bone changes and patient morbidity. CONCLUSIONS The tomographic assessment of NanoBone® addition in this study resulted in no statistically significant difference between study groups regarding crestal and horizontal bone changes and patient morbidity. More randomized controlled clinical trials on gap fill comparing different bone grafting materials versus no grafting should be conducted. CLINICALTRIALS GOV REGISTRATION NUMBER NCT02836678, 13th January 2017.
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Affiliation(s)
- Maged Anis
- Department of Periodontology, Faculty of Dentistry, Modern Sciences and Arts University, Giza, Egypt
| | - Ahmed Reda Abdelrahman
- Department of Periodontology, Faculty of Dentistry, Modern Sciences and Arts University, Giza, Egypt.
- Department of Periodontology, Faculty of Dentistry, Cairo University, El-Manial, Cairo, 11553, Egypt.
| | - Rasha Attia
- Department of Periodontology, Faculty of Dentistry, Modern Sciences and Arts University, Giza, Egypt
| | - Amr Zahran
- Department of Periodontology, Faculty of Dentistry, Cairo University, El-Manial, Cairo, 11553, Egypt
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17
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Ospina J, Carmona JU, López C. Short-Term Effects of Two COX-2 Selective Non-Steroidal Anti-Inflammatory Drugs on the Release of Growth Factors and Cytokines from Canine Platelet-Rich Gel Supernatants. Gels 2024; 10:396. [PMID: 38920942 PMCID: PMC11202787 DOI: 10.3390/gels10060396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 06/27/2024] Open
Abstract
(1) Background: There is a lack of knowledge about how a single dose of COX-2 selective non-steroidal anti-inflammatory drugs (NSAIDs) might affect the release of growth factors (GFs) and cytokines from canine platelet-rich gels (PRGs) and other hemocomponents. (2) Methods: A crossover study was conducted in six adult mongrel dogs. Animals were randomized to receive a single dose of either carprofen or firocoxib. PRG, temperature-induced platelet lysate (TIPL), chemically induced PL (CIPL), and plasma hemocomponents were obtained from each dog before (1 h) and after (6 h) the treatments. Platelet and leukocyte counts and determination of the concentrations of platelet-derived growth factor-BB, (PDGF-BB), transforming growth factor beta-1 (TGF-β1), interleukin 1 beta (IL-1β), tumor necrosis factor-alpha (TNF-α) and IL-10 concentrations were assayed by ELISA in all hemocomponents. (3) Results: Both platelet and leukocyte counts and PDGF-BB concentrations were not affected by NSAIDs and time. Total TGF-β1 concentrations were not affected by NSAIDs; however, the release of this GF was increased in PRG supernatants (PRGS) at 6 h. IL-1β and TNF-α concentrations were significantly (p < 0.001) lower in both firocoxib PRGS and plasma at 6 h, respectively. IL-10 concentrations were significantly (p < 0.001) lower at 6 h in all hemocomponents treated with both NSAIDs. (4) Conclusions: The clinical implications of our findings could indicate that these drugs should be withdrawn from patients to allow their clearance before the clinical use of PRP/PRG. On the other hand, the prophylactic use of NSAIDs to avoid the inflammatory reactions that some patients might have after PRP/PRG treatment should be performed only in those animals with severe reactive inflammation to the treatment.
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Affiliation(s)
- Julián Ospina
- Grupo de Investigación Patología Clínica Veterinaria, Departamento de Salud Animal, Universidad de Caldas, Calle 65 No 26-10, Manizales 170004, Colombia;
| | - Jorge U. Carmona
- Grupo de Investigación Terapia Regenerativa, Departamento de Salud Animal, Universidad de Caldas, Calle 65 No 26-10, Manizales 170004, Colombia
| | - Catalina López
- Grupo de Investigación Patología Clínica Veterinaria, Departamento de Salud Animal, Universidad de Caldas, Calle 65 No 26-10, Manizales 170004, Colombia;
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18
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Zhang Z, Yao P, Fan S. Advances in regenerative rehabilitation in the rehabilitation of musculoskeletal injuries. Regen Med 2024:1-10. [PMID: 38860852 DOI: 10.1080/17460751.2024.2357956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 05/17/2024] [Indexed: 06/12/2024] Open
Abstract
In the rapidly advancing field of regenerative medicine, relying solely on cell transplantation alone may be insufficient for achieving functional recovery, and rehabilitation before and after transplantation is crucial. Regenerative rehabilitation functions by synergizing the therapeutic effects of regeneration and rehabilitation to maximize tissue regeneration and patient function. We used the keywords "regenerative rehabilitation" to search across the database for published works; this review discusses the development of regenerative rehabilitation for the treatment of musculoskeletal injuries. Rehabilitation has become a crucial component of regenerative medicine because it can enhance patients' functional activity and facilitate their early return to society. Experimental data increasingly demonstrates that rehabilitation interventions support the regeneration of transplanted tissues.
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Affiliation(s)
- Zirui Zhang
- University of Tsukuba, 1-1-1 Tennodai, Tsukuba, Ibaraki, 305-8571, Japan
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Pengfei Yao
- Department of Rehabilitation Medicine, Chinese People's Liberation Army Joint Logistics Force 940 Hospital, 818, Anning East Road, Lanzhou, Gansu, 730000, PR China
| | - Shuai Fan
- Department of Rehabilitation Medicine, The Ninth People's Hospital of Shanghai, Jiao Tong University, 639, Manufacturing Bureau Road, Huangpu District, Shanghai, 200000, PR China
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19
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Jaiswal A, Angel L S, Sennimalai K, Raghani MJ, Siddiqui HP, Galhotra V, Gandham R. Evaluating the efficacy of platelet-rich plasma on orthodontic tooth movement rate: A systematic review and meta-analysis. J World Fed Orthod 2024:S2212-4438(24)00032-8. [PMID: 38862315 DOI: 10.1016/j.ejwf.2024.04.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Revised: 04/21/2024] [Accepted: 04/22/2024] [Indexed: 06/13/2024]
Abstract
BACKGROUND The main objective of this study was to evaluate the effect of autologous platelet-rich plasma (PRP) on acceleration of the orthodontic tooth movement and assess the evidence based on the available literature. METHODS The trial was registered and reported according to Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. Electronic databases including PubMed, Cochrane, Scopus, Central Register of Controlled Trials, and Google Scholar were searched for randomized controlled studies of PRP on the rate of tooth movement. The search was restricted to articles published in English between January 2000 to 31 December 2023. The search was completed by two reviewers independently and the risk of bias was evaluated using the Cochrane Risk of Bias tool (RoB 2.0) and meta-analysis was performed. Grading of Recommendations Assessment, Development, and Evaluation (GRADE) was done to determine the certainty of evidence. RESULTS Thirteen studies were included in the systematic review and 10 were included in the quantitative analysis. A random-effects model for meta-analysis of seven studies evaluating the rate of canine retraction revealed a statistically significant increase in the rate of orthodontic tooth movement of 0.38 mm/month in 1 month (121 patients; 95% confidence interval [CI] 0.27-0.49; I2 = 35%; P < 0.001) which decreased to 0.09mm/month in the fourth month (80 patients; 95% CI 0.02-0.17; I2 = 0%; P < 0.02). Three studies that considered en masse retraction revealed a mean difference of 0.36mm over 3 months (40 patients; 95% CI -0.23 to 0.94; I2 = 74%; P < 0.23). CONCLUSIONS The study suggests that PRP application can accelerate tooth movement, but its effects decreased over 4 months. The results should be interpreted cautiously due to the study's inherent limitations.
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Affiliation(s)
- Abhijeet Jaiswal
- Ex. Senior Resident (Orthodontics), Department of Dentistry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
| | - Saraa Angel L
- Senior Resident, Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India.
| | - Karthik Sennimalai
- Assistant Professor, Department of Orthodontics, All India Institute of Medical Sciences, Vijaypur, Jammu and Kashmir, India
| | - Manish J Raghani
- Additional Professor, Department of Dentistry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
| | | | - Virat Galhotra
- Professor and Head, Department of Dentistry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
| | - Rhea Gandham
- Junior Resident, Department of Dentistry, All India Institute of Medical Sciences, Raipur, Chhattisgarh, India
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20
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Cantero MM. Not all platelet-rich plasma are created equal. Curr Opin Obstet Gynecol 2024; 36:118-123. [PMID: 38324593 DOI: 10.1097/gco.0000000000000944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2024]
Abstract
PURPOSE OF REVIEW This review aims to elucidate potential variations in clinical outcomes resulting from the use of different types of platelet-rich plasma (PRPs) in reproductive medicine. It seeks to explore the reasons behind the diverse results reported in various studies and assess the general features distinguishing different PRP formulations. RECENT FINDINGS PRPs have found applications across diverse medical fields, generating controversy due to the variability in outcomes. The field of reproductive medicine, despite its limited published studies, is encountering a similar challenge as it integrates these treatments. SUMMARY The multitude of PRP product brands in the market, coupled with 'home-made' PRPs, poses a significant barrier to establishing a common protocol for the preparation of standardized PRP products. This impediment hinders widespread adoption by clinicians, particularly in endometrial or ovarian treatments. Drawing from evidence in other medical disciplines, this review endeavors to compile essential characteristics that PRPs must possess, aiming to mitigate the impact of variables affecting results in forthcoming studies.
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Affiliation(s)
- Manuel Muñoz Cantero
- IVI Alicante, Centro de Excelencia en Rejuvenecimiento Ovárico, Avenida de Denia, Alicante, Spain
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21
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Gangrade A, Zehtabi F, Rashad A, Haghniaz R, Falcone N, Mandal K, Khosravi S, Deka S, Yamauchi A, Voskanian L, Kim HJ, Ermis M, Khademhosseini A, de Barros NR. Nanobioactive Blood-Derived Shear-Thinning Biomaterial for Tissue Engineering Applications. APPLIED MATERIALS TODAY 2024; 38:102250. [PMID: 39006868 PMCID: PMC11242922 DOI: 10.1016/j.apmt.2024.102250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/16/2024]
Abstract
The conventional technique for successful bone grafts, involving the use of a patienťs own tissue (autografts), is challenged by limited availability and donor site morbidity. While allografts and xenografts offer alternatives, they come with the risk of rejection. This underscores the pressing need for tailor-made artificial bone graft materials. In this context, injectable hydrogels are emerging as a promising solution for bone regeneration, especially in complex maxillofacial reconstruction cases. These hydrogels can seamlessly adapt to irregular shapes and conservatively fill defects. Our study introduces a shear-thinning biomaterial by blending silicate nanoplatelets (SNs) enriched with human blood-derived plasma rich in growth factors (PRGF) for personalized applications. Notably, our investigations unveil that injectable hydrogel formulations comprising 7.5% PRGF yield sustained protein and growth factor release, affording precise control over critical growth factors essential for tissue regeneration. Moreover, our hydrogel exhibits exceptional biocompatibility in vitro and in vivo and demonstrates hemostatic properties. The hydrogel also presents a robust angiogenic potential and an inherent capacity to promote bone differentiation, proven through Alizarin Red staining, gene expression, and immunostaining assessments of bone-related biomarkers. Given these impressive attributes, our hydrogel stands out as a leading candidate for maxillofacial bone regeneration application. Beyond this, our findings hold immense potential in revolutionizing the field of regenerative medicine, offering an influential platform for crafting precise and effective therapeutic strategies.
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Affiliation(s)
- Ankit Gangrade
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Fatemeh Zehtabi
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Ahmad Rashad
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Reihaneh Haghniaz
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Natashya Falcone
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Kalpana Mandal
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Safoora Khosravi
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Sangeeta Deka
- Indian Institute of Technology Guwahati, Assam, India, Pin-781039
| | - Alana Yamauchi
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Leon Voskanian
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Han-Jun Kim
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
- College of Pharmacy, Korea University, 30019, Republic of Korea
- Vellore Institute of Technology (VIT), Vellore, 632014, India
| | - Menekse Ermis
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Ali Khademhosseini
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
| | - Natan Roberto de Barros
- Terasaki Institute for Biomedical Innovation (TIBI), 1018 Westwood Blvd, Los Angeles, California, USA
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Nowak SM, Sacco R, Mitchell FL, Patel V, Gurzawska-Comis K. The effectiveness of autologous platelet concentrates in prevention and treatment of medication-related osteonecrosis of the jaws: A systematic review. J Craniomaxillofac Surg 2024; 52:671-691. [PMID: 38644092 DOI: 10.1016/j.jcms.2024.01.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 12/21/2023] [Accepted: 01/16/2024] [Indexed: 04/23/2024] Open
Abstract
The systematic review aims to answer the PICOS question: "Are the autologous platelet concentrates (APCs) an effective strategy in prevention and/or treatment of patients at risk of/affected by medication-related osteonecrosis of the jaws (MRONJ)?". A literature search was conducted via PubMed, MEDLINE, EMBASE, and CINAHL (January 2006 - September 2023). 30 articles were included, evaluating preventive (n = 8*) and treatment strategies (n = 23*). The risk of bias and quality of studies were assessed utilising ROB-2, ROBIN-1 and GRADE criteria. Meta-analysis was undertaken for eligible studies. The application of APCs demonstrated a statistically significant effectiveness in prevention of MRONJ in 86.13% (p < 0.001) but failed to achieve the same level of certainty in treatment of established MRONJ in 83.4% (p = 0.08). High levels of bias were identified; thus, the results should be interpreted with caution. More high quality prospective randomised controlled trials are needed to further evaluate the effectiveness of APCs in management of MRONJ.
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Affiliation(s)
- Sylwia Maria Nowak
- Department of Oral Surgery, Leeds Dental Institute, Leeds University Hospitals Trust, United Kingdom
| | - Roberto Sacco
- Department of Oral Surgery, Faculty of Dentistry, Oral & Craniofacial Sciences, King's College London, United Kingdom
| | | | - Vinod Patel
- Department of Oral Surgery, Guy's and St Thomas' NHS Foundation Trust, United Kingdom
| | - Katarzyna Gurzawska-Comis
- Department of Oral Surgery, Liverpool University Dental Hospital, United Kingdom; Liverpool Head and Neck Centre, University of Liverpool, United Kingdom.
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Sirous S, Aghamohseni MM, Farhad SZ, Beigi M, Ostadsharif M. Mesenchymal stem cells in PRP and PRF containing poly(3-caprolactone)/gelatin Scaffold: a comparative in-vitro study. Cell Tissue Bank 2024; 25:559-570. [PMID: 38363442 DOI: 10.1007/s10561-023-10116-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Accepted: 10/09/2023] [Indexed: 02/17/2024]
Abstract
Scaffold design is one of the three most essential parts of tissue engineering. Platelet-rich plasma (PRP) and platelet-rich fibrin (PRF) have been used in clinics and regenerative medicine for years. However, the temporal release of their growth factors limits their efficacy in tissue engineering. In the present study, we planned to synthesize nanofibrous scaffolds with the incorporation of PRP and PRF by electrospinning method to evaluate the effect of the release of PRP and PRF growth factors on osteogenic gene expression, calcification, proliferation, and cell adhesion of human bone marrow mesenchymal stem cell (h-BMSC) as they are part of scaffold structures. Therefore, we combined PRP/PRF, derived from the centrifugation of whole blood, with gelatin and Polycaprolactone (PCL) and produced nanofibrous electrospun PCL/Gel/PRP and PCL/Gel/PRF scaffolds. Three groups of scaffolds were fabricated, and h-BMSCs were seeded on them: (1) PCL/Gel; (2) PCL/Gel/PRP; (3) PCL/Gel/PRF. MTS assay was performed to assess cell proliferation and adhesion, and alizarin red staining confirmed the formation of bone minerals during the experiment. The result indicated that PCL/Gel did not have any better outcomes than the PRP and PRF group in any study variants after the first day of the experiment. PCL/gelatin/PRF was more successful regarding cell proliferation and adhesion. Although PCL/gelatin/PRP showed more promising results on the last day of the experiment in mineralization and osteogenic gene expression, except RUNX2, in which the difference with PCL/gelatin/PRF group was not significant.
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Affiliation(s)
- Samin Sirous
- Periodontics preceptor, UCLA School of Dentistry, Los Angeles, USA
- School of Dentistry, Islamic Azad University (Khorasgan branch), Isfahan, Iran
| | - Mohammad Mostafa Aghamohseni
- School of Dentistry, Islamic Azad University (Khorasgan branch), Isfahan, Iran.
- Chairman of Student Research Committee, Islamic Azad University (Khorasgan branch), Isfahan, Iran.
| | - Shirin Zahra Farhad
- Department of Periodontics, Faculty of Dentistry, Isfahan (Khorasgan) branch, Islamic Azad University, Isfahan, Iran
| | - Mohammadhossein Beigi
- Silicon Hall: Micro/Nano Manufacturing Facility, Faculty of Engineering and Applied Science, Ontario Tech University, Ontario, Canada
| | - Maryam Ostadsharif
- Department of Medical Basic Sciences, Isfahan(Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
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24
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Barzegar Amin A, Dorpmans D, Mufty H, Fourneau I. Treatment of vascular leg ulcers with leukocyte- and platelet-rich fibrin (L-PRF): A systematic review. Phlebology 2024:2683555241256543. [PMID: 38782448 DOI: 10.1177/02683555241256543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Objectives: This systematic review aimed to assess the efficacy of Leukocyte- and Platelet-Rich Fibrin (L-PRF) for the treatment of vascular leg ulcers. Method: Following PRISMA guidelines, a literature search was done for studies where L-PRF was used to treat vascular leg ulcers. Results: Among six included articles, a total of 76 venous leg ulcers were treated with L-PRF. None of the studies included ulcers of arterial or lymphatic origin. Fifty-seven (75.0%) of the venous ulcers completely healed at end of follow-up. Mean time to complete healing was 6.7 weeks (SD = 5.0). All non-healed ulcers showed an important reduction in wound area. No adverse effects related to L-PRF therapy were reported. Conclusions: The results suggest that L-PRF could be a safe, simple to use and effective therapeutic option for the treatment of venous leg ulcers, however, caution is advised as the results are based on small sample sizes.
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Affiliation(s)
| | - Dries Dorpmans
- Department of Vascular Surgery, University Hospitals Leuven, Leuven, Belgium
| | - Hozan Mufty
- Department of Vascular Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, Research Unit of Vascular Surgery, KU Leuven, Leuven, Belgium
| | - Inge Fourneau
- Department of Vascular Surgery, University Hospitals Leuven, Leuven, Belgium
- Department of Cardiovascular Sciences, Research Unit of Vascular Surgery, KU Leuven, Leuven, Belgium
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25
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Karcı B, Savas HB. Comparison of growth factor levels in injectable platelet-rich fibrin obtained from healthy individuals and patients with chronic periodontitis: a pilot study. BMC Oral Health 2024; 24:527. [PMID: 38702671 PMCID: PMC11069209 DOI: 10.1186/s12903-024-04301-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/26/2024] [Indexed: 05/06/2024] Open
Abstract
BACKGROUND This study aimed to assess and compare the concentrations of growth factors, white blood cells (WBCs), and platelets in injectable platelet-rich fibrin (i-PRF) derived from people with healthy periodontal conditions and those with chronic periodontitis. METHODS Venous blood samples were obtained from 30 patients diagnosed with chronic periodontitis (test group) and 30 participants with healthy periodontal conditions (control group). The i-PRF was then acquired from centrifuged blood. The growth factors (VEGF, IGF-1, TGF-β1, PDGF-BB and EGF) released from the i-PRF samples were compared between groups with ELISA testing. The amounts of WBCs and platelets were also compared. RESULTS No significant differences in the concentrations of growth factors were found between the groups (the mean values for the control and test groups were, respectively: IGF: 38.82, 42.46; PDGF: 414.25, 466.28; VEGF: 375.69, 412.18; TGF-β1: 21.50, 26.21; EGF: 138.62, 154.82). The test group exhibited a significantly higher WBC count than the control group (8.80 vs. 6.60, respectively). However, the platelet count did not show a statistically significant difference between the groups (control group 242.0 vs. test group 262.50). No significant correlation was observed between WBC count and growth factor level in either group. CONCLUSIONS The growth factor levels in i-PRFs did not exhibit significant difference between the two groups. This suggests that the levels of these growth factors may be unaffected by the periodontal disease.
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Affiliation(s)
- Bilge Karcı
- Faculty of Dentistry, Department of Periodontology, Alanya Alaaddin Keykubat University, Alanya, Antalya, Turkey.
| | - Hasan Basri Savas
- Faculty of Medicine, Department of Biochemistry, Mardin Artuklu University, Mardin, Turkey
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26
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Yavuz A, Güngörmek HS, Kuru L, Doğan B. Treatment of multiple adjacent gingival recessions using leucocyte- and platelet-rich fibrin with coronally advanced flap: a 12-month split-mouth controlled randomized clinical trial. Clin Oral Investig 2024; 28:291. [PMID: 38691209 PMCID: PMC11062988 DOI: 10.1007/s00784-024-05694-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2024] [Accepted: 04/24/2024] [Indexed: 05/03/2024]
Abstract
OBJECTIVE This split-mouth randomized study aimed to assess efficacy of leucocyte-platelet-rich fibrin (L-PRF) versus connective tissue graft (CTG) in achieving root coverage (RC) for multiple adjacent gingival recessions (MAGRs) throughout 12-month period. MATERIALS AND METHODS The study enrolled 59 teeth from 12 patients with Miller Class I MAGRs ≥ 2 mm on bilateral or contralateral sides. Patients were randomly assigned to receive coronally advanced flap (CAF) with either CTG (control) or L-PRF (test) treatment. Various parameters, including plaque and gingival index, clinical attachment level, recession depth, probing depth, recession width (RW), papilla width (PW), keratinized tissue width (KTW), gingival thickness (GT), percentage of RC, complete root coverage (CRC), and location of the relative gingival margin concerning the cemento-enamel junctions (GMCEJ) after CAF, were recorded at baseline, 3-, 6-, and 12-months post-surgery. On June 29, 2021 the study was registred to ClinicalTrials.gov (NCT04942821). RESULTS Except KTW and GT gain, all clinical parameters, RC, and CRC were similar between the groups at all follow-up periods (p > 0.05). The higher GT and KTW gains were detected in the control group compared to test group at 12 months (p < 0.05). Both RC and CRC were positively associated with initial PW and GMCEJ, but negatively with initial RW (p < 0.05). CONCLUSIONS The current study concludes that L-PRF were equally effective as CTG in treating MAGRs in terms of RC and CRC. Additionally, RC and CRC outcomes appeared to be influenced by GMCEJ, PW, and RW. CLINICAL RELEVANCE L-PRF could represent a feasible substitute for CTG in treating MAGRs.
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Affiliation(s)
- Atacan Yavuz
- Department of Periodontology, Institute of Health Sciences, Marmara University, Istanbul, Türkiye
| | - Hatice Selin Güngörmek
- Department of Periodontology, Faculty of Dentistry, Marmara University, Istanbul, 34854, Türkiye
| | - Leyla Kuru
- Department of Periodontology, Faculty of Dentistry, Marmara University, Istanbul, 34854, Türkiye
| | - Başak Doğan
- Department of Periodontology, Faculty of Dentistry, Marmara University, Istanbul, 34854, Türkiye.
- Department of Oral Health Science and Translational Research, College of Dental Medicine, Nova Southeastern University, Fort Lauderdale, Florida, USA.
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27
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Donnelly C, Minty I, Dsouza A, Wong YY, Mukhopadhyay I, Nagarajan V, Rupra R, Charles WN, Khajuria A. The role of platelet-rich plasma in androgenetic alopecia: A systematic review. J Cosmet Dermatol 2024; 23:1551-1559. [PMID: 38284294 DOI: 10.1111/jocd.16185] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/21/2023] [Accepted: 01/04/2024] [Indexed: 01/30/2024]
Abstract
BACKGROUND Androgenetic alopecia (AGA), also referred to as male or female pattern hair loss, is the commonest cause of chronic hair loss and affects up to 80% of men by the age of 70. Despite a high prevalence, there are few approved therapies, which show minimal efficacy. OBJECTIVES This systematic review aims to evaluate the efficacy of platelet-rich plasma (PrP) in the treatment of AGA in male patients. METHODS MEDLINE, EMBASE, Cochrane (CENTRAL), CINAHL, clinicaltrials.gov, Google Scholar and the Science Citation Index database were searched to identify eligible studies. All randomized controlled trials (RCTs) and prospective cohort studies related to PrP use in AGA were included. Primary outcomes included changes in hair density and hair count. Methodological quality was assessed using bias assessment tools. RESULTS Eight RCTs and one cohort study were included in the review with a total of 291 participants. Six studies reported a statistically significant increase in hair density in the PrP group versus the control. Five studies reported a statistically significant increase in hair count with PrP. Seven studies showed moderate risk and two showed low risk of bias. CONCLUSION In a methodologically robust review on the effectiveness of PrP on male AGA, PrP demonstrated some potential to be used therapeutically. However, the low quality of evidence, moderate risk of bias, and high heterogeneity of included studies limit inferences and call for more robust designs to investigate this further.
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Affiliation(s)
- C Donnelly
- Green Templeton College, University of Oxford, Oxford, UK
| | - I Minty
- University College Hospital, London, UK
| | - A Dsouza
- Kasturba Medical College, Manipal, Karnataka, India
| | - Y Y Wong
- University of Glasgow, Glasgow, UK
| | | | - V Nagarajan
- University Hospital Leicester, Leicester, UK
| | - R Rupra
- Norfolk & Norwich University Hospital, Norwich, UK
| | - W N Charles
- Department of Surgery and Cancer, Imperial College London, London, UK
| | - A Khajuria
- Department of Surgery and Cancer, Imperial College London, London, UK
- Kellogg College, University of Oxford, Oxford, UK
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28
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Vale D, Pereira A, Andrade JP, Castro JP. The Role of Platelet-Rich Plasma Injection for Muscle Strains in Athletes. Cureus 2024; 16:e60585. [PMID: 38894806 PMCID: PMC11184543 DOI: 10.7759/cureus.60585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Muscle tears/strains are among the most common musculoskeletal injuries, posing a serious challenge for sports medicine. Aiming to reduce the time to return to play and the rate of reinjuries, apart from the traditional conservative treatments and rehabilitation protocols, new and innovative therapeutic options have emerged, particularly platelet-rich plasma (PRP). This study aims to present the available evidence regarding PRP injection for the treatment of muscle strains in athletes. Two databases were searched for articles published between January 2012 and December 2022 in Portuguese or English. The query used for the PubMed database was ("Muscles/injuries"[Mesh]) AND ("Athletes"[Mesh] OR "Athletic Injuries"[Mesh]) AND "Platelet-Rich Plasma"[Mesh], while for the Web of Science database the search was performed for "Platelet-rich plasma" AND "Muscle injuries" AND ("Athletes" OR "Athletic injuries"). Eleven studies involving athletes diagnosed with muscle injuries who received treatment with PRP injection alone, or in combination with traditional conservative treatment, compared to a control group, were included. Four randomized controlled trials, four systematic reviews/meta-analyses, two retrospective studies, and one comparative study were included. Current evidence from the highest-quality studies does not support the hypothesis of reduction of time to return to play and the rate of reinjuries after PRP injection, even though some studies reported positive results. However, the available evidence suggests that PRP might have a beneficial effect on the pain perceived by athletes following an acute muscle strain. It is challenging to arrive at definitive conclusions and translate these findings into a clinical context for treating muscle strains in athletes. The existing trials present several inconsistencies and limitations, with a heterogeneous set of patients and injuries, as well as the use of different and inconsistent methods for preparing, administering, and measuring the effects of PRP. To achieve consistent outcomes, standardizing PRP administration procedures is essential.
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Affiliation(s)
- David Vale
- Medical School, Faculty of Medicine, University of Porto, Porto, PRT
| | - Adriana Pereira
- Physical Medicine and Rehabilitation, Centro de Medicina de Reabilitação de Alcoitão, Alcoitão, PRT
| | - José Paulo Andrade
- Unit of Anatomy, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, PRT
| | - João Paulo Castro
- Unit of Anatomy, Department of Biomedicine, Faculty of Medicine, University of Porto, Porto, PRT
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29
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De Lauretis A, Øvrebø Ø, Romandini M, Lyngstadaas SP, Rossi F, Haugen HJ. From Basic Science to Clinical Practice: A Review of Current Periodontal/Mucogingival Regenerative Biomaterials. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024; 11:e2308848. [PMID: 38380549 PMCID: PMC11077667 DOI: 10.1002/advs.202308848] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 01/23/2024] [Indexed: 02/22/2024]
Abstract
Periodontitis is a dysbiosis-driven inflammatory disease affecting the tooth-supporting tissues, characterized by their progressive resorption, which can ultimately lead to tooth loss. A step-wise therapeutic approach is employed for periodontitis. After an initial behavioral and non-surgical phase, intra-bony or furcation defects may be amenable to regenerative procedures. This review discusses the regenerative technologies employed for periodontal regeneration, highlighting the current limitations and future research areas. The search, performed on the MEDLINE database, has identified the available biomaterials, including biologicals (autologous platelet concentrates, hydrogels), bone grafts (pure or putty), and membranes. Biologicals and bone grafts have been critically analyzed in terms of composition, mechanism of action, and clinical applications. Although a certain degree of periodontal regeneration is predictable in intra-bony and class II furcation defects, complete defect closure is hardly achieved. Moreover, treating class III furcation defects remains challenging. The key properties required for functional regeneration are discussed, and none of the commercially available biomaterials possess all the ideal characteristics. Therefore, research is needed to promote the advancement of more effective and targeted regenerative therapies for periodontitis. Lastly, improving the design and reporting of clinical studies is suggested by strictly adhering to the Consolidated Standards of Reporting Trials (CONSORT) 2010 statement.
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Affiliation(s)
- Angela De Lauretis
- Department of Biomaterials, Institute of Clinical Dentistry, Faculty of DentistryUniversity of OsloOslo0455Norway
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoMilan20133Italy
| | - Øystein Øvrebø
- Department of Biomaterials, Institute of Clinical Dentistry, Faculty of DentistryUniversity of OsloOslo0455Norway
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoMilan20133Italy
| | - Mario Romandini
- Department of Periodontology, Institute of Clinical Dentistry, Faculty of DentistryUniversity of OsloOslo0455Norway
| | - Ståle Petter Lyngstadaas
- Department of Biomaterials, Institute of Clinical Dentistry, Faculty of DentistryUniversity of OsloOslo0455Norway
| | - Filippo Rossi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”Politecnico di MilanoMilan20133Italy
| | - Håvard Jostein Haugen
- Department of Biomaterials, Institute of Clinical Dentistry, Faculty of DentistryUniversity of OsloOslo0455Norway
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30
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Zhu Y, Gu H, Yang J, Li A, Hou L, Zhou M, Jiang X. An Injectable silk-based hydrogel as a novel biomineralization seedbed for critical-sized bone defect regeneration. Bioact Mater 2024; 35:274-290. [PMID: 38370865 PMCID: PMC10873665 DOI: 10.1016/j.bioactmat.2024.01.024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 01/10/2024] [Accepted: 01/25/2024] [Indexed: 02/20/2024] Open
Abstract
The healing process of critical-sized bone defects urges for a suitable biomineralization environment. However, the unsatisfying repair outcome usually results from a disturbed intricate milieu and the lack of in situ mineralization resources. In this work, we have developed a composite hydrogel that mimics the natural bone healing processes and serves as a seedbed for bone regeneration. The oxidized silk fibroin and fibrin are incorporated as rigid geogrids, and amorphous calcium phosphate (ACP) and platelet-rich plasma serve as the fertilizers and loam, respectively. Encouragingly, the seedbed hydrogel demonstrates excellent mechanical and biomineralization properties as a stable scaffold and promotes vascularized bone regeneration in vivo. Additionally, the seedbed serves a succinate-like function via the PI3K-Akt signaling pathway and subsequently orchestrates the mitochondrial calcium uptake, further converting the exogenous ACP into endogenous ACP. Additionally, the seedbed hydrogel realizes the succession of calcium resources and promotes the evolution of the biotemplate from fibrin to collagen. Therefore, our work has established a novel silk-based hydrogel that functions as an in-situ biomineralization seedbed, providing a new insight for critical-sized bone defect regeneration.
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Affiliation(s)
- Yuhui Zhu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
| | - Hao Gu
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
| | - Jiawei Yang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
| | - Anshuo Li
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
| | - Lingli Hou
- Shanghai Institute of Precision Medicine, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 115 Jinzun Road, Shanghai, 200125, China
| | - Mingliang Zhou
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
| | - Xinquan Jiang
- Department of Prosthodontics, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, No. 639 Zhizaoju Road, Shanghai, 200011, China
- College of Stomatology, Shanghai Jiao Tong University, No. 115 Jinzun Road, Shanghai, 200125, China
- National Center for Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- National Clinical Research Center for Oral Diseases, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Key Laboratory of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Research Institute of Stomatology, No. 639 Zhizaoju Road, Shanghai, 200011, China
- Shanghai Engineering Research Center of Advanced Dental Technology and Materials, No. 115 Jinzun Road, Shanghai 200125, China
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31
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Vaidakis D, Papapanou M, Siristatidis CS. Autologous platelet-rich plasma for assisted reproduction. Cochrane Database Syst Rev 2024; 4:CD013875. [PMID: 38682756 PMCID: PMC11057220 DOI: 10.1002/14651858.cd013875.pub2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 05/01/2024]
Abstract
BACKGROUND Autologous platelet-rich plasma (PRP) consists of plasma and a concentrate of platelets extracted from fresh whole blood of the person being treated. Research has suggested that intrauterine or intraovarian infusion/injection of PRP before embryo transfer may improve endometrial receptivity and response to ovarian stimulation in women undergoing assisted reproduction. We compared these interventions to standard treatment, placebo, or other interventions (mechanical or pharmacological). OBJECTIVES To assess the effectiveness and safety of intrauterine and intraovarian infusion/injection of platelet-rich plasma in infertile women undergoing assisted reproductive technology cycles. SEARCH METHODS We searched the Cochrane Gynaecology and Fertility Group's Specialised Register, CENTRAL, MEDLINE, Embase, and the Epistemonikos database in January 2023. We also searched the reference lists of relevant articles and contacted the trial authors and experts in the field for any additional trials. SELECTION CRITERIA We included randomized controlled trials (RCTs) that evaluated the application of PRP in the uterine cavity, ovaries, or both versus no intervention, placebo, or any other intervention (either mechanical or pharmacological) in women undergoing in vitro fertilization (IVF) or intracytoplasmic sperm injection (ICSI) cycles. DATA COLLECTION AND ANALYSIS We followed standard methodological procedures recommended by Cochrane, including use of the updated risk of bias tool (RoB 2). The primary outcomes were live birth (or ongoing pregnancy) and miscarriage. The secondary outcomes were clinical pregnancy, complications of the procedure, multiple pregnancy, ectopic pregnancy, fetal growth restriction, preterm delivery, and fetal abnormality. We estimated the average effect of the interventions by fitting a Der Simonian-Laird's random-effects meta-analysis model. We reported pooled odds ratios (ORs) with 95% confidence intervals (CIs). We restricted the primary analyses to trials at low risk of bias for the outcomes and performed sensitivity analyses that included all studies. MAIN RESULTS We included 12 parallel-group RCTs that recruited a total of 1069 women. We identified three different comparison groups. Using GRADE, we assessed the certainty of evidence as very low for almost all outcomes. Intrauterine injection/infusion of platelet-rich plasma versus no intervention or placebo Nine studies evaluated intrauterine PRP versus no intervention or placebo. Eight included women with at least two or three previous implantation failures. Only one was assessed at low risk of bias for each outcome. This study provided very low-certainty evidence about the effect of intrauterine PRP injection versus no intervention on live birth (OR 1.10, 95% CI 0.38 to 3.14; 94 women) and miscarriage (OR 0.96, 95% CI 0.13 to 7.09; 94 women). If the likelihood of live birth following no intervention is assumed to be 17%, then the likelihood following intrauterine PRP would be 7% to 40%; and if the risk of miscarriage following no intervention is 4%, then the risk following intrauterine PRP would be 1% to 24%. When we analyzed all studies (regardless of risk of bias), we found very low-certainty evidence about the effect of intrauterine PRP compared with placebo or no intervention on live birth or ongoing pregnancy (OR 2.38, 95% CI 1.16 to 4.86; I² = 54%; 6 studies, 564 women) and miscarriage (OR 1.54, 95% CI 0.59 to 4.01; I² = 0%; 5 studies, 504 women). The study at low risk of bias provided very low-certainty evidence about the effect of intrauterine PRP compared with no intervention on clinical pregnancy (OR 1.55, 95% CI 0.64 to 3.76; 94 women) and ectopic pregnancy (OR 2.94, 95% CI 0.12 to 73.95; 94 women). The synthesis of all studies provided very low-certainty evidence about the effect of intrauterine PRP compared with placebo or no intervention on clinical pregnancy (OR 2.22, 95% CI 1.50 to 3.27; I² = 24%; 9 studies, 824 women), multiple pregnancy (OR 2.68, 95% CI 0.81 to 8.88; I² = 0%; 2 studies, 240 women), and ectopic pregnancy (OR 2.94, 95% CI 0.12 to 73.95; 1 study, 94 women; very low-certainty evidence). Intrauterine infusion of PRP may increase the risk of preterm delivery compared with no intervention (OR 8.02, 95% CI 1.72 to 37.33; 1 study, 120 women; low-certainty evidence). No studies reported pain, infection, allergic reaction, fetal growth restriction, or fetal abnormality. Intrauterine infusion of platelet-rich plasma versus intrauterine infusion of granulocyte colony-stimulating factor Two RCTs evaluated intrauterine PRP versus intrauterine granulocyte colony-stimulating factor (G-CSF); both included women with thin endometrium, and neither was judged at low risk of bias for any outcome. We are uncertain about the effect of intrauterine PRP compared with intrauterine G-CSF on live birth (OR 0.88, 95% CI 0.43 to 1.81; 1 study, 132 women; very low-certainty evidence), miscarriage (OR 1.94, 95% CI 0.63 to 5.96; 1 study, 132 women; very low-certainty evidence), and clinical pregnancy (OR 1.24, 95% CI 0.66 to 2.35; 2 studies, 172 women; very low-certainty evidence). Neither study reported adverse outcomes other than miscarriage. Intraovarian injection of platelet-rich plasma versus no intervention One RCT evaluated PRP injection into both ovaries versus no intervention; it was judged at high risk of bias for the two outcomes it reported. We are uncertain about the effect of intraovarian PRP injection compared with no intervention on ongoing pregnancy (OR 1.09, 95% CI 0.33 to 3.63; 73 women; very low-certainty evidence) and clinical pregnancy (OR 0.90, 95% CI 0.31 to 2.60; 73 women; very low-certainty evidence). The study examined no safety outcomes. AUTHORS' CONCLUSIONS We are uncertain about the effect of intrauterine or intraovarian administration of PRP on outcomes of assisted reproduction technology in infertile women. The pooled results should be interpreted with caution. Only one of the 12 included studies was judged at low risk of bias. Other limitations of the included trials were failure to report live birth, poor reporting of methods, lack of prospective protocol registration, low precision due to the small number of enrolled participants, indirectness due to the specific subpopulations and settings studied, and insufficient or absent safety data.
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Affiliation(s)
- Dennis Vaidakis
- Department of Basic and Clinical Sciences, Medical School, University of Nicosia, Nicosia, Cyprus
| | - Michail Papapanou
- Second Department of Obstetrics and Gynecology, Aretaieion University Hospital, National and Kapodistrian University of Athens, Athens, Greece
- Obstetrics, Gynecology and Reproductive Medicine Working Group, Society of Junior Doctors, Athens, Greece
| | - Charalampos S Siristatidis
- Assisted Reproduction Unit, 2nd Department of Obstetrics and Gynaecology, Medical School, National and Kapodistrian University of Athens, Athens, Greece
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Ivanovski S, Lee RSB, Fernandez-Medina T, Pinto N, Andrade C, Quirynen M. Impact of autologous platelet concentrates on the osseointegration of dental implants. Periodontol 2000 2024. [PMID: 38647020 DOI: 10.1111/prd.12563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 02/06/2024] [Accepted: 03/04/2024] [Indexed: 04/25/2024]
Abstract
Osseointegration is defined as the direct deposition of bone onto biomaterial devices, most commonly composed from titanium, for the purpose of anchoring dental prostheses. The use of autologous platelet concentrates (APC) has the potential to enhance this process by modifying the interface between the host and the surface of the titanium implant. The rationale is to modify the implant surface and implant-bone interface via "biomimicry," a process whereby the deposition of the host's own proteins and extracellular matrix enhances the biocompatibility of the implant and hence accelerates the osteogenic healing process. This review of the available evidence reporting on the effect of APC on osseointegration explores in vitro laboratory studies of the interaction of APC with different implant surfaces, as well as the in vivo and clinical effects of APC on osseointegration in animal and human studies. The inherent variability associated with using autologous products, namely the unique composition of each individual's blood plasma, as well as the great variety in APC protocols, combination of biomaterials, and clinical/therapeutic application, makes it is difficult to make any firm conclusions about the in vivo and clinical effects of APC on osseointegration. The available evidence suggests that the clinical benefits of adding PRP and the liquid form of L-PRF (liquid fibrinogen) to any implant surface appear to be limited. The application of L-PRF membranes in the osteotomy site, however, may produce positive clinical effects at the early stage of healing (up to 6 weeks), by promoting early implant stability and reducing marginal bone loss, although no positive longer term effects were observed. Careful interpretation and cautious conclusions should be drawn from these findings as there were various limitations in methodology. Future studies should focus on better understanding of the influence of APCs on the biomaterial surface and designing controlled preclinical and clinical studies using standardized APC preparation and application protocols.
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Affiliation(s)
- Sašo Ivanovski
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Brisbane, Australia
| | - Ryan S B Lee
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Brisbane, Australia
| | - Tulio Fernandez-Medina
- School of Dentistry, Centre for Orofacial Regeneration, Reconstruction and Rehabilitation (COR3), The University of Queensland, Brisbane, Australia
- College of Medicine and Dentistry, James Cook University, Cairns, Australia
| | - Nelson Pinto
- Department of Periodontology and Implantology, Faculty of Dentistry, Universidad de Los Andes, Santiago, Chile
| | - Catherine Andrade
- Department of Periodontology and Implantology, Faculty of Dentistry, Universidad de Los Andes, Santiago, Chile
| | - Marc Quirynen
- Department of Oral Health Sciences, Katholieke Universiteit Leuven (Periodontology), University Hospitals Leuven, Leuven, Belgium
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Desouza C, Shetty V. Effectiveness of platelet-rich plasma in partial-thickness rotator cuff tears: a systematic review. J ISAKOS 2024:S2059-7754(24)00080-4. [PMID: 38641254 DOI: 10.1016/j.jisako.2024.04.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 04/09/2024] [Accepted: 04/15/2024] [Indexed: 04/21/2024]
Abstract
IMPORTANCE Partial-thickness rotator cuff tears (PTRCTs) commonly affect overhead athletes, leading to a decline in sports performance. Platelet-rich plasma (PRP) is being explored as an alternative treatment modality for individuals with PTRCTs to reduce discomfort and enhance functional recovery. We conducted a systematic review study of randomized controlled clinical trials to determine the effectiveness of PRP in treating PTRCTs. AIM To determine the effectiveness of PRP in treating PTRCTs. EVIDENCE REVIEW We conducted a comprehensive literature search for randomized controlled trials (RCTs) that compared the effectiveness of PRP with eccentric exercise and placebo injections as treatments for PTRCTs. We searched databases such as the Cochrane Library, Web of Science, PubMed, and EMBASE. The visual analog scale (VAS) score, American Shoulder and Elbow Surgeon (ASES) score, and Constant-Murley Score (CMS) was utilized as an outcome measure. Statistical analysis was performed using RevMan 5.3 software. FINDINGS Our meta-analysis included 12 studies involving 762 patients. At six weeks post-treatment, the PRP group had significantly higher VAS scores compared to the control group, indicating improvement (standard mean difference (SMD): -2.04 [95% confidence interval (CI): -4.00 to -0.08], I2 = 97%, P-value = 0.04). Patients who received PRP showed statistically significant improvements in VAS scores at 3 months and 6 months follow-up (SMD, -1.78 [95% CI: -3.03 to -0.52], I2 = 96%, P-value = 0.005) (SMD: -2.26 [95% CI: -3.77 to -0.76], I2 = 97%, P-value = 0.003). A statistically significant difference was also observed in VAS scores at the long-term 1-year follow-up (SMD: -2.27 [95% CI: -4.07 to -0.47]; I2 = 98%; P-value = 0.031). There were statistically significant differences in ASES scores and CMS scores in the short-term (SMD: 1.21 [95% CI: 0.19 to 2.24], I2 = 96%, P-value = 0.02) (SMD, 2.01 [95% CI: 0.14 to 3.88], I2 = 97%, P-value = 0.04). However, in the long-term ASES and CMS scores did not show any statistical significance (SMD: 2.06 [95% CI: -0.54 to 4.65], I2 = 99%, P-value = 0.12) (SMD: 4.36 [95% CI: -5.48 to 14.21], I2 = 99%, P-value = 0.39). CONCLUSIONS AND RELEVANCE Our findings suggest that PRP treatment is effective in reducing pain for individuals with PTRCTs, providing benefits in the short and long term. However, its impact on functional recovery appears somewhat constrained and doesn't endure over time. Additionally, significant heterogeneity exists among studies, encompassing variations in PRP composition and control group treatments. Consequently, we conclude that compelling evidence for symptom improvement in PTRCT patients following PRP treatment remains elusive. LEVEL OF EVIDENCE Level I.
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Affiliation(s)
- Clevio Desouza
- SAANVI Orthopaedics, 2003, Sorrento, High Street, Hiranandani Gardens, Powai, Mumbai 400076, India; Kokilaben Dhirubhai Ambani Hospital and Medical Research Institute, Mumbai, 400053, India.
| | - Vijay Shetty
- SAANVI Orthopaedics, 2003, Sorrento, High Street, Hiranandani Gardens, Powai, Mumbai 400076, India; Dr L H Hiranandani Hospital, Hiranandani Gardens, Powai, Mumbai, 400076, India
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Jia K, You J, Zhu Y, Li M, Chen S, Ren S, Chen S, Zhang J, Wang H, Zhou Y. Platelet-rich fibrin as an autologous biomaterial for bone regeneration: mechanisms, applications, optimization. Front Bioeng Biotechnol 2024; 12:1286035. [PMID: 38689760 PMCID: PMC11058865 DOI: 10.3389/fbioe.2024.1286035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 03/22/2024] [Indexed: 05/02/2024] Open
Abstract
Platelet-rich fibrin, a classical autologous-derived bioactive material, consists of a fibrin scaffold and its internal loading of growth factors, platelets, and leukocytes, with the gradual degradation of the fibrin scaffold and the slow release of physiological doses of growth factors. PRF promotes vascular regeneration, promotes the proliferation and migration of osteoblast-related cells such as mesenchymal cells, osteoblasts, and osteoclasts while having certain immunomodulatory and anti-bacterial effects. PRF has excellent osteogenic potential and has been widely used in the field of bone tissue engineering and dentistry. However, there are still some limitations of PRF, and the improvement of its biological properties is one of the most important issues to be solved. Therefore, it is often combined with bone tissue engineering scaffolds to enhance its mechanical properties and delay its degradation. In this paper, we present a systematic review of the development of platelet-rich derivatives, the structure and biological properties of PRF, osteogenic mechanisms, applications, and optimization to broaden their clinical applications and provide guidance for their clinical translation.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | - Yanmin Zhou
- Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, Jilin, China
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Wang X, Li J, Lu W, Gao F, Zhang S, Li J. Therapeutic roles of platelet-rich plasma to restore female reproductive and endocrine dysfunction. Front Endocrinol (Lausanne) 2024; 15:1374382. [PMID: 38654928 PMCID: PMC11035829 DOI: 10.3389/fendo.2024.1374382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2024] [Accepted: 03/27/2024] [Indexed: 04/26/2024] Open
Abstract
Millions of women worldwide are infertile due to gynecological disorders, including premature ovarian insufficiency, polycystic ovary syndrome, Asherman syndrome, endometrial atrophy, and fallopian tube obstruction. These conditions frequently lead to infertility and have a substantial impact on the quality of life of the affected couples, primarily because of their psychological implications and high financial costs. Recently, using platelets to stimulate cell proliferation and tissue differentiation has emerged as a promising approach in regenerative medicine. Platelet-rich plasma (PRP) shows considerable potential for promoting endometrial hypertrophy and follicle development, making it a promising therapeutic option for tissue repair or replacement. This review provides an overview of the recent advancements and underlying mechanisms of PRP therapy for various female reproductive diseases and presents new therapeutic options for addressing female infertility.
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Affiliation(s)
- Xiaoning Wang
- Department of Blood Transfusion, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Jin Li
- Department of Blood Transfusion, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Weiwei Lu
- Department of Blood Transfusion, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Fangbo Gao
- Department of Blood Transfusion, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Songling Zhang
- Department of Gynecologic Oncology, Gynecology and Obstetrics Centre, The First Hospital of Jilin University, Changchun, Jilin, China
| | - Jiajia Li
- Department of Gynecologic Oncology, Gynecology and Obstetrics Centre, The First Hospital of Jilin University, Changchun, Jilin, China
- The Laboratory of Cancer Precision Medicine, The First Hospital of Jilin University, Changchun, Jilin, China
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Marín Fermín T, Calcei JG, Della Vedova F, Martinez Cano JP, Arias Calderon C, Imam MA, Khoury M, Laupheimer MW, D'Hooghe P. Review of Dohan Eherenfest et al. (2009) on "Classification of platelet concentrates: From pure platelet-rich plasma (P-PRP) to leucocyte- and platelet-rich fibrin (L-PRF)". J ISAKOS 2024; 9:215-220. [PMID: 37562572 DOI: 10.1016/j.jisako.2023.07.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Revised: 06/28/2023] [Accepted: 07/27/2023] [Indexed: 08/12/2023]
Abstract
This classic discusses the original publication of Dohan Eherenfest et al. on "Classification of platelet concentrates: from pure platelet-rich plasma (P-PRP) to leucocyte- and platelet-rich fibrin (L-PRF)", in which the authors propose four categories of platelet concentrates depending on their leucocyte and fibrin content (P-PRP, leucocyte- and platelet-rich plasma (L-PRP), pure platelet-rich fibrin (P-PRF), and L-PRF) to group a "jungle" of products in which the term platelet-rich plasma (PRP) was used indistinctly. They were able to identify common factors such as: (1) the use of anticoagulants and immediate centrifugation of the blood after its collection; (2) most preparation techniques allowed platelet concentrate preparation within an hour; (3) the centrifugation aimed to separate the blood in layers that would allow the extraction of specific fractions; and (4) the product was activated with thrombin or calcium chloride. The reviewed manuscript has been listed among the most cited PRP articles in regenerative medicine, with more than 800 citations, driving current scientific research and clinical practise by categorising L-PRP and P-PRP (now, leucocyte-poor PRP). The classification has also opened the door to understanding intrinsic biological mechanisms between platelets, leukocytes, fibrin, and growth factors, which will later be considered for studying the proliferation and differentiation of cells in different tissues affected by PRP. Since the initial classification of platelet concentrates, several other classification systems have been proposed and published in the current literature such as platelet, activation, white blood cell (PAW), Mishra, platelet, leucocyte, red blood cells, and activation (PLRA), dose of platelet, efficiency, purity, and activation (DEPA), method, activation, red blood cells, spin, platelets, image guidance, leukocytes, and light activation (MARSPILL), etc. These classifications have identified important aspects of PRP that affect the biological composition and, ultimately, the indications and outcomes. To date, there is still a lack of standardisation in sample preparation, cohort heterogeneity, and incomplete reporting of sample preparation utilised, leading to a lack of clarity and challenging researchers and clinicians.
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Affiliation(s)
- Theodorakys Marín Fermín
- Centro Médico Profesional Las Mercedes, Las Mercedes 1060, Caracas, Venezuela; Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar.
| | - Jacob G Calcei
- University Hospitals Drusinsky Sports Medicine Institute, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | | | | | - Claudia Arias Calderon
- Department of Trauma and Orthopedic Surgery, Hospital Nacional Edgardo Rebagliati Martins, Jesús María 15072, Peru
| | - Mohamed A Imam
- Smart Health Centre, University of East London, London E16 2RD, UK; Rowley Bristow Orthopaedic Unit, Ashford and St Peter's Hospital, Ashford TW15 3AA, UK
| | - Miguel Khoury
- Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar
| | - Markus W Laupheimer
- Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar
| | - Pieter D'Hooghe
- Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar
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Baird HBG, Ashy CC, Kodali P, Myer GD, Murray IR, Pullen WM, Slone HS. Most Publications Regarding Platelet-Rich Plasma Use in the Knee Are From Asia, Investigate Injection for Osteoarthritis, and Show Outcome Improvement: A Scoping Review. Arthroscopy 2024:S0749-8063(24)00252-4. [PMID: 38537725 DOI: 10.1016/j.arthro.2024.03.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 03/12/2024] [Accepted: 03/17/2024] [Indexed: 04/23/2024]
Abstract
PURPOSE To evaluate and synthesize the available literature related to platelet-rich plasma (PRP) treatment of knee pathologies and to provide recommendations to inform future research in the field. METHODS PubMed, CINAHL, and Scopus databases were queried on October 6, 2023. All identified citations were collated and uploaded into Covidence for screening and data extraction. Studies were included if they were human studies published in English with adult cohorts that received PRP as a procedural injection or surgical augmentation for knee pathologies with patient-reported outcome measures (PROMs) and level of evidence Levels I-IV. RESULTS Our search yielded 2,615 studies, of which 155 studies from 2006 to 2023 met the inclusion criteria. Median follow-up was 9 months (±11.2 months). Most studies (75.5%) characterized the leukocyte content of PRP, although most studies (86%) did not use a comprehensive classification scheme. In addition, most studies were from Asia (50%) and Europe (32%) and were from a single center (96%). In terms of treatment, 74% of studies examined PRP as a procedural injection, whereas 26% examined PRP as an augmentation. Most studies (68%) examined treatment of knee osteoarthritis. Many studies (83%) documented significant improvements in PROMs, including 93% of Level III/IV evidence studies and 72% of Level I/II evidence studies, although most studies (70%) failed to include minimal clinically important difference values. The visual analog scale was the most-used PROM (58% of studies), whereas the Short Form Health Survey 36-item was the least-used PROM (5% of studies). CONCLUSIONS Most published investigations of knee PRP are performed in Asia, investigate procedural injection for osteoarthritis, and show significant outcome improvements. In addition, this review highlights the need for better classification of PRP formulations. LEVEL OF EVIDENCE Level IV, scoping Review of level I-IV studies.
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Affiliation(s)
- Henry B G Baird
- College of Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A..
| | - Cody C Ashy
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Prudhvi Kodali
- College of Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Gregory D Myer
- Emory Sports Performance and Research Center (SPARC), Flowery Branch, Georgia, U.S.A.; Emory Sports Medicine Center, Atlanta, Georgia, U.S.A.; Department of Orthopaedics, Emory University School of Medicine, Atlanta, Georgia, U.S.A.; The Micheli Center for Sports Injury Prevention, Waltham, Massachusetts, U.S.A.; Youth Physical Development Centre, Cardiff Metropolitan University, Wales, United Kingdom
| | - Iain R Murray
- The University of Edinburgh, Edinburgh, United Kingdom
| | - W Michael Pullen
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
| | - Harris S Slone
- Department of Orthopedic Surgery and Physical Medicine, Medical University of South Carolina, Charleston, South Carolina, U.S.A
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Szymczak B, Junkuszew A, Patkowski K, Szponder T, Ngoc DN, Drzewiecka B, Sobczyńska-Rak A, Wessely-Szponder J. The activity of monocyte-derived macrophages after stimulation with platelet-rich and platelet-poor concentrates. Study on an ovine model of insertion of a tibial implant coated with silicon-doped diamond-like carbon. J Vet Res 2024; 68:167-174. [PMID: 38525222 PMCID: PMC10960256 DOI: 10.2478/jvetres-2024-0003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Accepted: 01/15/2024] [Indexed: 03/26/2024] Open
Abstract
Introduction Macrophages are crucial immune cells that play a role in tissue repair and can exhibit pro- or anti-inflammatory behaviour based on environmental stimulation. Their functional phenotype can be affected by platelet-derived products as determined by those products' composition. When the inflammatory response caused by implantation is excessive, it can lead to rejection of the implant. Therefore, a thorough evaluation of implant haemocompatibility is necessary to minimise undesirable consequences. Material and Methods In an in vitro study, monocyte-derived macrophages (MDMs) were obtained from the whole blood of sheep after a silicon-doped diamond-like carbon-coated implant insertion. These MDMs were then exposed to autologous platelet-derived products for functional marker analysis. Results Platelet-poor plasma (PPP) and pure platelet-rich plasma (P-PRP) stimulation increased arginase-1 activity, while leukocyte-rich PRP stimulation produced a mixed response involving higher O2- (6.49 ± 2.43 nM vs non-stimulated 3.51 ± 1.23 nM, P-value < 0.05) and NO (3.28 ± 1.38 μM vs non-stimulated 2.55 ± 0.32μM, P-value < 0.05) generation. Conclusion Using PPP and P-PRP stimulation in post-implantation procedures may contribute to the polarisation of macrophages towards the M2-like pro-resolving phenotype, thereby accelerating wound healing. This would also prevent implant degradation due to an excessive inflammatory process.
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Affiliation(s)
- Bartłomiej Szymczak
- Sub-Department of Pathophysiology, Department of Preclinical Veterinary Sciences, University of Life Sciences, 20-950Lublin, Poland
| | - Andrzej Junkuszew
- Department of Animal Breeding and Agricultural Consulting, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences, 20-950Lublin, Poland
| | - Krzysztof Patkowski
- Department of Animal Breeding and Agricultural Consulting, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences, 20-950Lublin, Poland
| | - Tomasz Szponder
- Department and Clinic of Animal Surgery, Faculty of Veterinary Medicine, University of Life Sciences, 20-950Lublin, Poland
| | - Dominika Nguyen Ngoc
- Sub-Department of Pathophysiology, Department of Preclinical Veterinary Sciences, University of Life Sciences, 20-950Lublin, Poland
| | - Beata Drzewiecka
- Sub-Department of Pathophysiology, Department of Preclinical Veterinary Sciences, University of Life Sciences, 20-950Lublin, Poland
| | - Aleksandra Sobczyńska-Rak
- Department and Clinic of Animal Surgery, Faculty of Veterinary Medicine, University of Life Sciences, 20-950Lublin, Poland
| | - Joanna Wessely-Szponder
- Sub-Department of Pathophysiology, Department of Preclinical Veterinary Sciences, University of Life Sciences, 20-950Lublin, Poland
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Foti C, Vellucci C, Santoro A. Regenerative Medicine Solutions for Rotator Cuff Injuries in Athletes: Indications and Outcomes. Sports Med Arthrosc Rev 2024; 32:46-50. [PMID: 38695503 DOI: 10.1097/jsa.0000000000000399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2024]
Abstract
Rotator cuff (RC) injuries include a wide range of pathologic states. Athletes are perhaps the most susceptible to RC injuries ranging from tendinopathy to partial or full-thickness tears, due to functional overload and repetitive movements, causing abstention from sports for long periods. Regenerative medicine keeps giving us multiple choices to fight the disability caused by these pathologies. A literature search was performed, and findings related to the structure-function of rotator cuff units, pathophysiology of injuries, regenerative medicine treatments, and future strategies were outlined. Platelet-rich plasma (PRP) has a greater number of articles and clinical trials, accompanied by stem cells progenitor, prolotherapy, and new approaches such as microfragmented adipose tissue and exosomes. RC injuries in athletes can cause pain, functional impotence, and the risk of recurrence, and can lead them to stop playing sports. Regenerative medicine offers a range of treatments, but some of them need further studies to underline their actual validity.
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Affiliation(s)
- Calogero Foti
- Department of Physical and Rehabilitation Medicine, Clinical Sciences and Translational Medicine, Tor Vergata University, Rome, Italy, EU
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Zhou D, Liang Q, Ge X, Xu J. Allogeneic platelet-rich plasma inhibits ferroptosis in promoting wound repair of type 2 diabetic ulcers. Free Radic Biol Med 2024; 215:37-47. [PMID: 38408545 DOI: 10.1016/j.freeradbiomed.2024.02.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/01/2024] [Revised: 02/17/2024] [Accepted: 02/20/2024] [Indexed: 02/28/2024]
Abstract
Increasing evidence has revealed the emerging role of ferroptosis in the pathophysiology of type 2 diabetes mellitus (T2DM) and its complications. Platelet-rich plasma (PRP) has been demonstrated to facilitate the healing of T2DM ulcers. However, the mechanism by which PRP repairs T2DM ulcers remains unclear. Here, we sought to investigate the interaction between PRP and ferroptosis in repairing T2DM ulcers. The results showed that the cellular activity, proliferation, and migration of fibroblasts were down-regulated, and the cellular activity and normal function of vascular endothelial cells were impaired in the high glucose environment or under RSL3 conditions (a GSH peroxidase 4 inhibitor and ferroptosis inducer). Additionally, both cells experienced over-activation of multiple forms of reactive oxygen species (ROS) and lipid peroxidation. In the T2DM rat model, we observed a decreased rate of ulcer wound healing, impaired proliferative capacity, diminished vascular regeneration, and marked inflammation and hyperfibrosis. More importantly, there was typical damage to mitochondria, increased levels of iron ions, and consistent alterations in protein expression of ferroptosis-related factors. These factors include cyclooxygenase-2 (COX2), glutathione peroxidase 4 (GPX4), transferrin receptor (TFRC), and Solute Carrier Family 7 Member 11 (SLC7A11), among others. Due to the strong association between ferroptosis and T2DM ulcers, the use of allogeneic platelet-rich plasma (Al-PRP) exhibited physiological effects similar to those of the ferroptosis inhibitor Ferrostatin-1 (Fer-1). In vivo experiments, both drugs inhibited a range of impediments to wound healing caused by T2DM and ameliorated the adverse effects associated with ferroptosis. Moreover, Al-PRP attenuated the impairment of normal cellular function, activation of ROS and lipid peroxidation induced by high glucose or RSL3. These results suggested that ferroptosis was involved in the development of T2DM ulcers, which could be treated with Al-PRP by inhibiting ferroptosis, and inhibition of ferroptosis may be a suitable treatment strategy for T2DM ulcers.
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Affiliation(s)
- Danlian Zhou
- Department of Plastic and Reconstructive Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China; Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Qiu Liang
- Department of Plastic and Reconstructive Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China; Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Xiuyu Ge
- Department of Plastic and Reconstructive Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China; Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China
| | - Jing Xu
- Department of Plastic and Reconstructive Surgery, The First Affiliated Hospital of Bengbu Medical College, Bengbu, Anhui, China; Anhui Province Key Laboratory of Tissue Transplantation, Bengbu Medical College, Bengbu, Anhui, China.
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41
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Kai N, Nishida N, Aoishi K, Takagi T, Hato N. Effect of intranasal administration of concentrated growth factors on regeneration of the olfactory epithelium in an olfactory dysfunction-induced rat model. PLoS One 2024; 19:e0298640. [PMID: 38416730 PMCID: PMC10901354 DOI: 10.1371/journal.pone.0298640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 01/26/2024] [Indexed: 03/01/2024] Open
Abstract
OBJECTIVE The development of treatments that promote the regenerative capacity of the olfactory epithelium (OE) is desirable. This study aimed to evaluate the effects of intranasal administration of concentrated growth factors (CGFs) in a rat model of olfactory dysfunction. STUDY DESIGN Animal study. METHODS Nineteen male rats were used. Fourteen olfactory dysfunction models were created by intraperitoneal administration of 3-methylindole. We randomly divided the rats from the olfactory dysfunction model after 1 week into the CGF or saline group; CGFs were administered to seven animals and saline to seven animals. Behavioral assessments using the avoidance test were conducted until day 28 after CGF/saline administration. On day 28, histological evaluation was conducted to determine olfactory epithelial thickness and the olfactory marker protein (OMP)-positive cell count. Five animals were intraperitoneally injected with saline as the control group. RESULTS The avoidance rate remained decreased until 28 days after CGF/saline administration, and there was no significant difference between the two groups. Olfactory epithelial thicknesses on day 28 were 38.64 ± 3.17 μm and 32.84 ± 4.50 μm in the CGF and saline groups, respectively. OE thickness was significantly thicker in the CGF group than in the saline group (P = 0.013). The numbers of OMP-positive cells were 40.29 ± 9.77/1.0 × 104 μm2 and 31.00 ± 3.69/1.0 × 104 μm2 in the CGF and saline groups, respectively. The number of OMP+ cells in the CGF group was significantly increased compared with that in the saline group (P = 0.009). Both groups showed no improvement compared with the control group (OE thickness: 54.08 ± 3.36 μm; OMP+ cell count: 56.90 ± 9.91/1.0 × 104 μm2). CONCLUSIONS The CGF group showed improved olfactory epithelial thickness and OMP-positive cell numbers compared with that in the saline group.
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Affiliation(s)
- Naruhiko Kai
- Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Naoya Nishida
- Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
- Department of Otolaryngology, Ehime Prefectural Niihama Hospital, Niihama, Japan
| | - Kunihide Aoishi
- Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Taro Takagi
- Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
| | - Naohito Hato
- Department of Otolaryngology, Head and Neck Surgery, Ehime University Graduate School of Medicine, Shitsukawa, Toon, Ehime, Japan
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Desai KN, Thakkar RR, Patel J, Gupta E, Trivedi N, Sampat D. Comparative Evaluation of DFDBA versus PRF with DFDBA in Treatment of Grade-II Furcation Defects - A Clinical Trial. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2024; 16:S794-S796. [PMID: 38595476 PMCID: PMC11001046 DOI: 10.4103/jpbs.jpbs_1016_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 10/18/2023] [Accepted: 10/20/2023] [Indexed: 04/11/2024] Open
Abstract
Background In order to determine whether a method is more successful for treating a grade-II furcation deficiency, this randomized trial will compare demineralized freeze-dried bone allograft (DFDBA) to platelet-rich fibrin with DFDBA. Materials and Methods Twenty systematically healthy patients between the ages of 30 and 60 with a grade-II furcation were evaluated pre and postoperatively for changes in the modified plaque index, probing depth, relative vertical and horizontal clinical attachment level, gingival marginal level, and radiographic bone defect. Results The test group significantly outperformed the control group on all clinical and radiological measures. Conclusion The experimental group improved at both clinical attachment levels and had a higher decrease in probing depth than the control group did.
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Affiliation(s)
- Kinjal N. Desai
- Department of Periodontology and Implantology, Siddhpur Dental College and Hospital, Siddhpur, Gujarat, India
| | - Rohit R. Thakkar
- Department of Periodontology and Implantology, Siddhpur Dental College and Hospital, Siddhpur, Gujarat, India
| | - Jalpa Patel
- Department of Periodontology and Implantology, Narsinhbhai Patel Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat, India
| | - Ekta Gupta
- Department of Orthodontics and Dentofacial Orthopedics, Siddhpur Dental College and Hospital, Patan, Gujarat, India
| | - Namrata Trivedi
- Senior Lecturer, Department of Periodontology and Implantology, College of Dental Science and Hospital, Amargadh, Gujarat, India
| | - Dipali Sampat
- Clinical Practitioner, Department of Periodontology and Implantology, Bhavtarini Charitable Trust Gondal, Gujarat, India
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Sánchez M, Delgado D, Espregueira-Mendes J. Comment on "Review of Dohan Eherenfest et al. (2009) on classification of platelet concentrates: From pure platelet-rich plasma (p-prp) to leucocyte- and platelet-rich fibrin (l-prf)". J ISAKOS 2024; 9:91-92. [PMID: 37806658 DOI: 10.1016/j.jisako.2023.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2023] [Revised: 09/08/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Affiliation(s)
- Mikel Sánchez
- Arthroscopic Surgery Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain; Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain.
| | - Diego Delgado
- Advanced Biological Therapy Unit, Hospital Vithas Vitoria, Vitoria-Gasteiz, Spain
| | - João Espregueira-Mendes
- Clínica Espregueira - FIFA Medical Centre of Excellence, Porto, Portugal; Dom Henrique Research Centre, Porto, Portugal; School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga, Guimarães, Portugal; 3B's Research Group - Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal
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Hurley ET, Sherman SL, Stokes DJ, Rodeo SA, Shapiro SA, Mautner K, Buford DA, Dragoo JL, Mandelbaum BR, Zaslav KR, Cole BJ, Frank RM. Experts Achieve Consensus on a Majority of Statements Regarding Platelet-Rich Plasma Treatments for Treatment of Musculoskeletal Pathology. Arthroscopy 2024; 40:470-477.e1. [PMID: 37625660 DOI: 10.1016/j.arthro.2023.08.020] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Revised: 07/23/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023]
Abstract
PURPOSE To establish consensus statements on platelet-rich plasma (PRP) for the treatment of musculoskeletal pathologies. METHODS A consensus process on the treatment of PRP using a modified Delphi technique was conducted. Thirty-five orthopaedic surgeons and sports medicine physicians participated in these consensus statements on PRP. The participants were composed of representatives of the Biologic Association, representing 9 international orthopaedic and musculoskeletal professional societies invited due to their active interest in the study of orthobiologics. Consensus was defined as achieving 80% to 89% agreement, strong consensus was defined as 90% to 99% agreement, and unanimous consensus was indicated by 100% agreement with a proposed statement. RESULTS There was consensus on 62% of statements about PRP. CONCLUSIONS (1) PRP should be classified based on platelet count, leukocyte count, red blood count, activation method, and pure-plasma versus fibrin matrix; (2) PRP characteristics for reporting in research studies are platelet count, leukocyte count, neutrophil count, red blood cell count, total volume, the volume of injection, delivery method, and the number of injections; (3) the prognostic factors for those undergoing PRP injections are age, body mass index, severity/grade of pathology, chronicity of pathology, prior injections and response, primary diagnosis (primary vs postsurgery vs post-trauma vs psoriatic), comorbidities, and smoking; (4) regarding age and body mass index, there is no minimum or maximum, but clinical judgment should be used at extremes of either; (5) the ideal dose of PRP is undetermined; and (6) the minimal volume required is unclear and may depend on the pathology. LEVEL OF EVIDENCE Level V, expert opinion.
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Affiliation(s)
- Eoghan T Hurley
- Department of Orthopaedic Surgery, Duke University School of Medicine, Durham, North Carolina, U.S.A.
| | - Seth L Sherman
- Department of Orthopaedic Surgery, Stanford University, Stanford, California, U.S.A
| | - Daniel J Stokes
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, Colorado, U.S.A
| | - Scott A Rodeo
- Hospital for Special Surgery, New York, New York, U.S.A
| | - Shane A Shapiro
- Department of Orthopaedic Surgery, Mayo Clinic, Jacksonville, Florida, U.S.A
| | - Kenneth Mautner
- Department of Physical Medicine & Rehabilitation, Emory University School of Medicine, Atlanta, Georgia, U.S.A
| | | | - Jason L Dragoo
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, Colorado, U.S.A
| | - Bert R Mandelbaum
- Cedars Sinai-Kerlan Jobe Institute, Los Angeles, California, U.S.A.; Clínica Espregueira, FIFA Medical Centre of Excellence, Porto, Portugal
| | - Kenneth R Zaslav
- Lenox Hill Hospital Northwell Health Orthopedic Institute, New York, New York, U.S.A
| | - Brian J Cole
- Midwest Orthopaedics at Rush, Rush University Medical Center, Chicago, Illinois, U.S.A
| | - Rachel M Frank
- Department of Orthopaedic Surgery, University of Colorado School of Medicine, Aurora, Colorado, U.S.A
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Marín Fermín T, Calcei JG, Della Vedova F, Martinez Cano JP, Arias Calderon C, Imam MA, Khoury M, Laupheimer MW, D'hooghe P. In response to: Comment on "Review of Dohan Eherenfest et al. (2009) on "Classification of platelet concentrates: From pure platelet-rich plasma (P-PRP) to leucocyte- and platelet-rich fibrin (L-PRF)". J ISAKOS 2024; 9:89-90. [PMID: 37806660 DOI: 10.1016/j.jisako.2023.10.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Accepted: 10/01/2023] [Indexed: 10/10/2023]
Affiliation(s)
| | - Jacob G Calcei
- University Hospitals Drusinsky Sports Medicine Institute, Case Western Reserve University, 11100 Euclid Ave, Cleveland, OH, 44106, USA
| | | | | | - Claudia Arias Calderon
- Department of Trauma and Orthopedic Surgery, Hospital Nacional Edgardo Rebagliati Martins, Jesús María, Peru
| | - Mohamed A Imam
- Smart Health Centre, University of East London, London, UK; Rowley Bristow Orthopaedic Unit, Ashford and St Peter's Hospital, Ashford, UK
| | - Miguel Khoury
- Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar
| | - Markus W Laupheimer
- Swisssportscare, Alpenstrasse 25, 8803 Rüschlikon, Zurich, Switzerland; The Centre for Sports & Exercise Medicine, Queen Mary University of London, Mile End Road, London, E1 4NS, UK
| | - Pieter D'hooghe
- Aspetar Orthopaedic and Sports Medicine Hospital, Sports City Street, Inside Aspire Zone, Al Buwairda St, 29222, Doha, Qatar
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Grzelak A, Hnydka A, Higuchi J, Michalak A, Tarczynska M, Gaweda K, Klimek K. Recent Achievements in the Development of Biomaterials Improved with Platelet Concentrates for Soft and Hard Tissue Engineering Applications. Int J Mol Sci 2024; 25:1525. [PMID: 38338805 PMCID: PMC10855389 DOI: 10.3390/ijms25031525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 01/19/2024] [Accepted: 01/23/2024] [Indexed: 02/12/2024] Open
Abstract
Platelet concentrates such as platelet-rich plasma, platelet-rich fibrin or concentrated growth factors are cost-effective autologous preparations containing various growth factors, including platelet-derived growth factor, transforming growth factor β, insulin-like growth factor 1 and vascular endothelial growth factor. For this reason, they are often used in regenerative medicine to treat wounds, nerve damage as well as cartilage and bone defects. Unfortunately, after administration, these preparations release growth factors very quickly, which lose their activity rapidly. As a consequence, this results in the need to repeat the therapy, which is associated with additional pain and discomfort for the patient. Recent research shows that combining platelet concentrates with biomaterials overcomes this problem because growth factors are released in a more sustainable manner. Moreover, this concept fits into the latest trends in tissue engineering, which include biomaterials, bioactive factors and cells. Therefore, this review presents the latest literature reports on the properties of biomaterials enriched with platelet concentrates for applications in skin, nerve, cartilage and bone tissue engineering.
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Affiliation(s)
- Agnieszka Grzelak
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki Street 1, 20-093 Lublin, Poland; (A.G.); (A.H.)
| | - Aleksandra Hnydka
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki Street 1, 20-093 Lublin, Poland; (A.G.); (A.H.)
| | - Julia Higuchi
- Laboratory of Nanostructures, Institute of High Pressure Physics, Polish Academy of Sciences, Prymasa Tysiaclecia Avenue 98, 01-142 Warsaw, Poland;
| | - Agnieszka Michalak
- Independent Laboratory of Behavioral Studies, Medical University of Lublin, Chodzki 4 a Street, 20-093 Lublin, Poland;
| | - Marta Tarczynska
- Department and Clinic of Orthopaedics and Traumatology, Medical University of Lublin, Jaczewskiego 8 Street, 20-090 Lublin, Poland; (M.T.); (K.G.)
- Arthros Medical Centre, Chodzki 31 Street, 20-093 Lublin, Poland
| | - Krzysztof Gaweda
- Department and Clinic of Orthopaedics and Traumatology, Medical University of Lublin, Jaczewskiego 8 Street, 20-090 Lublin, Poland; (M.T.); (K.G.)
- Arthros Medical Centre, Chodzki 31 Street, 20-093 Lublin, Poland
| | - Katarzyna Klimek
- Chair and Department of Biochemistry and Biotechnology, Medical University of Lublin, Chodzki Street 1, 20-093 Lublin, Poland; (A.G.); (A.H.)
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Siddiqui HP, Sennimalai K, Bhatt K, Samrit VD, Duggal R. Effect of adjuvant autologous platelet concentrates on secondary repair of alveolar clefts: A systematic review and meta-analysis. SPECIAL CARE IN DENTISTRY 2024; 44:12-27. [PMID: 36721338 DOI: 10.1111/scd.12830] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 01/12/2023] [Accepted: 01/13/2023] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To review the existing evidence on the adjuvant use of autologous platelet concentrates (APCs) with iliac crest bone graft (ICBG) in the reconstruction of the secondary alveolar cleft. METHODS Electronic databases were searched systematically until November 2022. Clinical trials comparing the three-dimensional radiological outcomes of patients who underwent secondary alveolar bone grafting (SABG) with ICBG and APCs to those with ICBG alone and the radiological outcomes assessed 6 months after surgery were included. Two authors performed the study selection and the assessment of the risk of bias. Meta-analysis was performed using the random-effects model to determine the risk ratio (RR) for developing wound dehiscence and the mean difference (MD) with a 95% confidence interval (CI) for the percentage of newly formed bone. RESULTS Nine studies (seven RCT and two CCT) were included with a low to high risk of bias. At the 6-month follow-up, the study group revealed insignificant results regarding the percentage of newly formed bone (MD = 6.49; 95% CI: -0.97, 13.94; p = .09; χ2 = 0.01; I2 = 71%). In addition, the overall risk of developing wound dehiscence was lower in the study group (RR = 0.34; 95% CI: 0.15, 0.78; p = .01; χ2 = 0.67; I2 = 0%). CONCLUSION Currently, there is insufficient evidence to support the adjuvant use of APCs with ICBG on enhanced bone regeneration following secondary alveolar bone grafting. However, combining ICBG and APCs might be beneficial in reducing the risk of developing wound dehiscence.
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Affiliation(s)
- Hamza Parvez Siddiqui
- Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
- College of Medical, Veterinary & Life Sciences, University of Glasgow, Glasgow, UK
| | - Karthik Sennimalai
- Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
- Department of Orthodontics, All India Institute of Medical Sciences, Jammu, J&K, India
| | - Krushna Bhatt
- Division of Oral and Maxillofacial Surgery, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Vilas D Samrit
- Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
| | - Ritu Duggal
- Division of Orthodontics and Dentofacial Deformities, Centre for Dental Education and Research, All India Institute of Medical Sciences, New Delhi, India
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Li XH, Xiao HX, Wang ZX, Tang XR, Yu XF, Pan YP. Platelet Concentrates Preconditioning of Mesenchymal Stem Cells and Combined Therapies: Integrating Regenerative Strategies for Enhanced Clinical Applications. Cell Transplant 2024; 33:9636897241235460. [PMID: 38506426 PMCID: PMC10956156 DOI: 10.1177/09636897241235460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 02/10/2024] [Accepted: 02/10/2024] [Indexed: 03/21/2024] Open
Abstract
This article presents a comprehensive review of the factors influencing the efficacy of mesenchymal stem cells (MSCs) transplantation and its association with platelet concentrates (PCs). It focuses on investigating the impact of PCs' composition, the age and health status of platelet donors, application methods, and environmental factors on the outcomes of relevant treatments. In addition, it delves into the strategies and mechanisms for optimizing MSCs transplantation with PCs, encompassing preconditioning and combined therapies. Furthermore, it provides an in-depth exploration of the signaling pathways and proteomic characteristics associated with preconditioning and emphasizes the efficacy and specific effects of combined therapy. The article also introduces the latest advancements in the application of biomaterials for optimizing regenerative medical strategies, stimulating scholarly discourse on this subject. Through this comprehensive review, the primary goal is to facilitate a more profound comprehension of the factors influencing treatment outcomes, as well as the strategies and mechanisms for optimizing MSCs transplantation and the application of biomaterials in regenerative medicine, offering theoretical guidance and practical references for related research and clinical practice.
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Affiliation(s)
- Xu-huan Li
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Han-xi Xiao
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Zu-xiu Wang
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xin-rong Tang
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Xue-feng Yu
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
| | - Yong-ping Pan
- The 4th Affiliated Hospital, Jiangxi Medical College, Nanchang University, Nanchang, China
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Pereira VBS, Lago CAP, Almeida RDAC, Barbirato DDS, Vasconcelos BCDE. Biological and Cellular Properties of Advanced Platelet-Rich Fibrin (A-PRF) Compared to Other Platelet Concentrates: Systematic Review and Meta-Analysis. Int J Mol Sci 2023; 25:482. [PMID: 38203653 PMCID: PMC10779223 DOI: 10.3390/ijms25010482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2023] [Revised: 12/25/2023] [Accepted: 12/27/2023] [Indexed: 01/12/2024] Open
Abstract
Platelet concentrates are used for cell induction and stimulation in tissue repair processes. The aim of the present systematic review and meta-analysis was to compare the biological and cellular properties of advanced platelet-rich fibrin (A-PRF) to those of other platelet concentrates. Searches were conducted on the PubMed/Medline, Scopus, Web of Science, Embase and LILACS databases using a search strategy oriented by the guiding question. A total of 589 records were retrieved. Seven articles of in vitro experimental studies were selected for qualitative data analysis and four were selected for meta-analysis. The release of growth factors, distribution of cells in the fibrin membrane, and cell viability, the fibrin network, and fibroblast migration were investigated. In the final analysis, statistically significant differences were found for the A-PRF group with regard to platelet-derived growth factor, transforming growth factor, epidermal growth factor and vascular endothelial growth factor at all assessment times. A difference was found with regard to bone morphogenetic protein only in the later assessment, and no differences among groups were found with regard to platelet-derived growth factor or insulin-like growth factor. The results of this systematic review and meta-analysis suggest that A-PRF has superior cellular properties and better release of growth factors compared to other platelet concentrates.
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Affiliation(s)
| | | | | | | | - Belmiro Cavalcanti do Egito Vasconcelos
- Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery and Traumatology, University of Pernambuco, Recife 50100-130, Brazil; (V.B.S.P.); (C.A.P.L.); (R.d.A.C.A.); (D.d.S.B.)
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50
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Manole CG, Soare C, Ceafalan LC, Voiculescu VM. Platelet-Rich Plasma in Dermatology: New Insights on the Cellular Mechanism of Skin Repair and Regeneration. Life (Basel) 2023; 14:40. [PMID: 38255655 PMCID: PMC10817627 DOI: 10.3390/life14010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/30/2023] [Accepted: 12/19/2023] [Indexed: 01/24/2024] Open
Abstract
The skin's recognised functions may undergo physiological alterations due to ageing, manifesting as varying degrees of facial wrinkles, diminished tautness, density, and volume. Additionally, these functions can be disrupted (patho)physiologically through various physical and chemical injuries, including surgical trauma, accidents, or chronic conditions like ulcers associated with diabetes mellitus, venous insufficiency, or obesity. Advancements in therapeutic interventions that boost the skin's innate regenerative abilities could significantly enhance patient care protocols. The application of Platelet-Rich Plasma (PRP) is widely recognized for its aesthetic and functional benefits to the skin. Yet, the endorsement of PRP's advantages often borders on the dogmatic, with its efficacy commonly ascribed solely to the activation of fibroblasts by the factors contained within platelet granules. PRP therapy is a cornerstone of regenerative medicine which involves the autologous delivery of conditioned plasma enriched by platelets. This is achieved by centrifugation, removing erythrocytes while retaining platelets and their granules. Despite its widespread use, the precise sequences of cellular activation, the specific cellular players, and the molecular machinery that drive PRP-facilitated healing are still enigmatic. There is still a paucity of definitive and robust studies elucidating these mechanisms. In recent years, telocytes (TCs)-a unique dermal cell population-have shown promising potential for tissue regeneration in various organs, including the dermis. TCs' participation in neo-angiogenesis, akin to that attributed to PRP, and their role in tissue remodelling and repair processes within the interstitia of several organs (including the dermis), offer intriguing insights. Their potential to contribute to, or possibly orchestrate, the skin regeneration process following PRP treatment has elicited considerable interest. Therefore, pursuing a comprehensive understanding of the cellular and molecular mechanisms at work, particularly those involving TCs, their temporal involvement in structural recovery following injury, and the interconnected biological events in skin wound healing and regeneration represents a compelling field of study.
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Affiliation(s)
- Catalin G. Manole
- Department of Cellular and Molecular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Ultrastructural Pathology Laboratory, “Victor Babeș” National Institute of Pathology, 050096 Bucharest, Romania
| | - Cristina Soare
- Department of Oncological Dermatology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
| | - Laura Cristina Ceafalan
- Department of Cellular and Molecular Biology and Histology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
- Cell Biology, Neurosciences and Experimental Myology Laboratory, “Victor Babeș” National Institute of Pathology, 050096 Bucharest, Romania
| | - Vlad M. Voiculescu
- Department of Oncological Dermatology, “Carol Davila” University of Medicine and Pharmacy, 050474 Bucharest, Romania
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