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https://www.readbyqxmd.com/read/29151878/elucidation-of-the-genetic-architecture-of-self-incompatibility-in-olive-evolutionary-consequences-and-perspectives-for-orchard-management
#1
Pierre Saumitou-Laprade, Philippe Vernet, Xavier Vekemans, Sylvain Billiard, Sophie Gallina, Laila Essalouh, Ali Mhaïs, Abdelmajid Moukhli, Ahmed El Bakkali, Gianni Barcaccia, Fiammetta Alagna, Roberto Mariotti, Nicolò G M Cultrera, Saverio Pandolfi, Martina Rossi, Bouchaïb Khadari, Luciana Baldoni
The olive (Olea europaea L.) is a typical important perennial crop species for which the genetic determination and even functionality of self-incompatibility (SI) are still largely unresolved. It is still not known whether SI is under gametophytic or sporophytic genetic control, yet fruit production in orchards depends critically on successful ovule fertilization. We studied the genetic determination of SI in olive in light of recent discoveries in other genera of the Oleaceae family. Using intra- and interspecific stigma tests on 89 genotypes representative of species-wide olive diversity and the compatibility/incompatibility reactions of progeny plants from controlled crosses, we confirmed that O...
October 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29151877/controlling-for-genetic-identity-of-varieties-pollen-contamination-and-stigma-receptivity-is-essential-to-characterize-the-self-incompatibility-system-of-olea-europaea-l
#2
Pierre Saumitou-Laprade, Philippe Vernet, Xavier Vekemans, Vincent Castric, Gianni Barcaccia, Bouchaïb Khadari, Luciana Baldoni
Bervillé et al. express concern about the existence of the diallelic self-incompatibility (DSI) system in Olea europaea, mainly because our model does not account for results from previous studies from their group that claimed to have documented asymmetry of the incompatibility response in reciprocal crosses. In this answer to their comment, we present original results based on reciprocal stigma tests that contradict conclusions from these studies. We show that, in our hands, not a single case of asymmetry was confirmed, endorsing that symmetry of incompatibility reactions seems to be the rule in Olive...
October 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29151876/-comment-on-saumitou-et%C3%A2-al-2017-elucidation-of-the-genetic-architecture-of-self-incompatibility-in-olive-evolutionary-consequences-and-perspectives-for-orchard-management
#3
Catherine Breton, Georgios Koubouris, Pierre Villemur, André Jean Bervillé
The new self-incompatibility system (SI) was presented by Saumitou-Laprade, Vernet, Vekemans et al. (2017). Evolutionary Applications based on 89 crosses between varieties in the olive tree. Four main points are not clear. We are examining here as follows: (i) the assertion that the self-incompatibility system is sporophytic was not sustained by pollen germination data; (ii) surprisingly, the new model does not explain that about one-third of pairwise combinations of olive varieties leads to asymmetric fruit setting; (iii) DNA preparation from one seed may contain two embryos, and thus, embryos should be separated before seed extraction; (iv) although effective self-fertility in olive varieties was reported by many studies, the DSI model fails to explain self-fertility in some olive varieties...
October 2017: Evolutionary Applications
https://www.readbyqxmd.com/read/29146160/posterolateral-corner-injuries-of-the-knee-at-the-national-football-league-combine-an-imaging-and-outcomes-analysis
#4
Jorge Chahla, Nicholas I Kennedy, Mark E Cinque, George Sanchez, Catherine Logan, Bryan G Vopat, Brendin Beaulieu-Jones, Mark Price, Jim Whalen, Robert F LaPrade, Matthew T Provencher
PURPOSE: (1) To determine the epidemiology, examination findings, imaging findings, and associated injuries of posterolateral corner (PLC) injuries in players participating in the National Football League (NFL) Combine and (2) to evaluate the impact of PLC injuries on performance compared with matched controls. METHODS: All PLC injuries identified at the NFL Combine between 2009 and 2015 were reviewed. The inclusion criteria were any player who had clinical findings or a previous surgical procedure consistent with a PLC injury and who participated in medical and performance testing at the NFL Combine...
November 13, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29112467/meniscectomy-and-resultant-articular-cartilage-lesions-of-the-knee-among-prospective-national-football-league-players-an-imaging-and-performance-analysis
#5
Jorge Chahla, Mark E Cinque, Jonathan A Godin, George Sanchez, George F Lebus, James M Whalen, Mark D Price, Nicholas I Kennedy, Gilbert Moatshe, Robert F LaPrade, Matthew T Provencher
BACKGROUND: The effect of prior meniscectomy and the resulting reduction in meniscal tissue on a potential National Football League (NFL) player's articular cartilage status and performance remain poorly elucidated. Purpose/Hypothesis: (1) To determine the epidemiology, imaging characteristics, and associated articular cartilage pathology of the knee among players with a previous meniscectomy who were participating in the NFL Combine and (2) to evaluate the effect of these injuries on performance as compared with matched controls...
November 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29102567/clinical-and-radiologic-outcomes-after-scaphoid-fracture-injury-and-treatment-patterns-in-national-football-league-combine-athletes-between-2009-and-2014
#6
Gilbert Moatshe, Jonathan A Godin, Jorge Chahla, Mark E Cinque, Nicholas I Kennedy, George Sanchez, Brendin R Beaulieu-Jones, Robert F LaPrade, Matthew T Provencher
PURPOSE: To report on the clinical and radiologic outcomes and complications after surgical treatment in National Football League (NFL) Combine athletes with a history of a scaphoid fracture. METHODS: The medical records of 2,285 athletes participating in the NFL Combine from 2009 to 2015 were evaluated for a history of scaphoid, hand, or wrist injury. Clinical outcomes, including grip strength, pinch test, range of motion, and presence of pain and stiffness, were recorded...
November 1, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29099891/paraskiing-crash-and-knee-dislocation-with-multiligament-reconstruction-and-iliotibial-band-repair
#7
Chase S Dean, Olivia Fernandes, Mark E Cinque, Jorge Chahla, Robert F LaPrade
We describe the diagnosis, treatment, rehabilitation, and complications of a 27-year-old male paraskiier who sustained a closed high-velocity knee dislocation after colliding with a tree at a speed of 45 mph and falling 40 feet to the ground. Extensive surgery to repair and reconstruct the knee included open lateral capsular repair, open anatomical posterolateral corner reconstruction with split Achilles tendon allograft, open iliotibial band reconstruction with Achilles tendon allograft, arthroscopic anterior cruciate ligament reconstruction with bone-patellar tendon-bone autograft, and double-bundle posterior cruciate ligament reconstruction with Achilles tendon allograft for the anterolateral bundle and tibialis anterior tendon allograft for the posteromedial bundle...
September 2017: American Journal of Orthopedics
https://www.readbyqxmd.com/read/29051896/outcomes-and-complication-rates-after-primary-anterior-cruciate-ligament-reconstruction-are-similar-in-younger-and-older-patients
#8
Mark E Cinque, Jorge Chahla, Gilbert Moatshe, Nicholas N DePhillipo, Nicholas I Kennedy, Jonathan A Godin, Robert F LaPrade
BACKGROUND: Until recently, anterior cruciate ligament (ACL) tears in older patients were treated conservatively; however, these patients often experienced significant pain and instability. PURPOSE/HYPOTHESIS: The purpose of this study was to compare the patient-reported outcomes, patient satisfaction, and failure rates of primary ACL reconstruction between a younger (age 20-30 years) and older (age 50-75 years) patient cohort. It was hypothesized that patients in the older cohort could achieve comparable clinical outcomes and retear rates following ACL reconstruction with a bone-tendon-bone autograft or allograft compared with the younger patients...
October 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29040132/a-call-for-standardization-in-platelet-rich-plasma-preparation-protocols-and-composition-reporting-a-systematic-review-of-the-clinical-orthopaedic-literature
#9
REVIEW
Jorge Chahla, Mark E Cinque, Nicolas S Piuzzi, Sandeep Mannava, Andrew G Geeslin, Iain R Murray, Grant J Dornan, George F Muschler, Robert F LaPrade
BACKGROUND: Platelet-rich plasma (PRP) is a blood-derived preparation whose use has grown exponentially in orthopaedic practice. However, there remains an unclear understanding of the biological properties and effects of PRP on musculoskeletal healing. Heterogeneous processing methods, unstandardized nomenclature, and ambiguous classifications make comparison among studies challenging. A comprehensive assessment of orthopaedic clinical PRP trials is key to unraveling the biological complexity of PRP, while improving standardized communication...
October 18, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/29039969/clinical-outcomes-and-failure-rates-of-osteochondral-allograft-transplantation-in-the-knee-a-systematic-review
#10
Filippo Familiari, Mark E Cinque, Jorge Chahla, Jonathan A Godin, Morten Lykke Olesen, Gilbert Moatshe, Robert F LaPrade
BACKGROUND: Cartilage lesions are a significant cause of morbidity and impaired knee function; however, cartilage repair procedures have failed to reproduce native cartilage to date. Thus, osteochondral allograft (OCA) transplantation represents a 1-step procedure to repair large chondral defects without the donor site morbidity of osteochondral autograft transplantation. PURPOSE: To perform a systematic review of clinical outcomes and failure rates after OCA transplantation in the knee at a minimum mean 2 years' follow-up...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29028358/posterior-tibial-translation-measurements-on-magnetic-resonance-imaging-improve-diagnostic-sensitivity-for-chronic-posterior-cruciate-ligament-injuries-and-graft-tears
#11
Nicholas N DePhillipo, Mark E Cinque, Jonathan A Godin, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
BACKGROUND: Magnetic resonance imaging (MRI) of the knee is a highly sensitive and specific method for diagnosing acute posterior cruciate ligament (PCL) tears, with a reported accuracy of 96% to 100%. In chronic and revision settings, these injuries may be missed on MRI because of the apparent continuity of nonfunctional PCL fibers. Posterior tibial translation (PTT) of the medial compartment has been identified as a potential secondary finding of PCL tear on routine MRI. Purpose/Hypothesis: The purpose of this study was to evaluate the sensitivity of PTT on MRI associated with PCL injuries and compare it with the sensitivity of a radiologist's MRI interpretation with preoperative posterior knee stress radiographs as the gold standard...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29016187/quantitative-and-qualitative-analysis-of-the-medial-patellar-ligaments-an-anatomic-and-radiographic-study
#12
Bradley M Kruckeberg, Jorge Chahla, Gilbert Moatshe, Mark E Cinque, Kyle J Muckenhirn, Jonathan A Godin, Taylor J Ridley, Alex W Brady, Elizabeth A Arendt, Robert F LaPrade
BACKGROUND: The qualitative and quantitative anatomy of the medial patellar stabilizers has been reported; however, a quantitative analysis of the anatomic and radiographic attachments of all 4 ligaments relative to anatomic and osseous landmarks, as well as to one another, has yet to be performed. PURPOSE: To perform a qualitative and quantitative anatomic and radiographic evaluation of the medial patellofemoral ligament (MPFL), medial patellotibial ligament (MPTL), medial patellomeniscal ligament (MPML), and medial quadriceps tendon femoral ligament (MQTFL) attachment sites, with attention to their relationship to pertinent osseous and soft tissue landmarks...
October 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28982255/high-rates-of-osteoarthritis-develop-after-anterior-cruciate-ligament-surgery-an-analysis-of-4108-patients
#13
Mark E Cinque, Grant J Dornan, Jorge Chahla, Gilbert Moatshe, Robert F LaPrade
BACKGROUND: Posttraumatic osteoarthritis (PTOA) after anterior cruciate ligament (ACL) reconstruction ultimately translates into a large economic effect on the health care system owing to the young ages of this population. Purpose/Hypothesis: The purposes were to perform a meta-analysis to determine the prevalence of osteoarthritis after an ACL reconstruction, examining the effects of length of time after surgery, preoperative time interval from injury to surgery, and patient age at the time of surgery...
September 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28975131/multiligament-knee-injuries-in-older-adolescents-a-2-year-minimum-follow-up-study
#14
Jonathan A Godin, Mark E Cinque, Jonas Pogorzelski, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
BACKGROUND: Multiligament knee injuries cause significant functional impairment. Adults undergoing anatomic reconstruction of multiligament knee injuries have excellent outcomes postoperatively. However, less is known about the outcomes in adolescent patients following multiligament reconstruction. PURPOSE/HYPOTHESIS: We aimed to assess patient outcomes and failure rates following unstaged multiligament reconstruction in an adolescent population at a minimum 2-year follow-up...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28894758/the-latarjet-procedure-at-the-national-football-league-scouting-combine-an-imaging-and-performance-analysis
#15
George F LeBus, Jorge Chahla, George Sanchez, Ramesses Akamefula, Gilbert Moatshe, Alexandra Phocas, Mark D Price, James M Whalen, Robert F LaPrade, Matthew T Provencher
BACKGROUND: The Latarjet procedure is commonly performed in the setting of glenoid bone loss for treatment of recurrent anterior shoulder instability; however, little is known regarding the outcomes of this procedure in elite American football players. PURPOSE: (1) Determine the prevalence, clinical features, and imaging findings of elite college football athletes who present to the National Football League (NFL) Combine with a previous Latarjet procedure and (2) describe these athletes' performance in the NFL in terms of draft status and initial playing time...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28884106/understanding-posterior-meniscal-roots-lesions-from-basic-science-to-treatment
#16
REVIEW
Raphael Serra Cruz, Marcio Balbinotti Ferrari, Leonardo Metsavaht, Robert F LaPrade
The variability of symptoms and the fact that they are not easily recognized in imaging studies make the diagnosis and treatment of posterior meniscal roots lesions a challenging task to the orthopedist. In recent years, a more precise understanding of the anatomy and biomechanical impair of the knee joint in these cases has enabled great advances in therapeutic approaches. Well-documented studies have shown that the repair of these lesions presents superior functional and clinical improvement when compared with meniscectomy...
June 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28866340/single-bundle-and-double-bundle-posterior-cruciate-ligament-reconstructions-a-systematic-review-and-meta-analysis-of-441-patients-at-a-minimum-2%C3%A2-years-follow-up
#17
Jorge Chahla, Gilbert Moatshe, Mark E Cinque, Grant J Dornan, Justin J Mitchell, Taylor J Ridley, Robert F LaPrade
PURPOSE: To perform a systematic review on the techniques and a meta-analysis on the functional and objective outcomes after single-bundle (SB) versus double-bundle (DB) posterior cruciate ligament (PCL) reconstructions. METHODS: A systematic review of the techniques, as well as functional and objective outcomes of clinical studies comparing SB versus DB PCL reconstruction with a mean follow-up of at least 24 months and minimum level of evidence of III were performed...
November 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28865578/proximal-tibiofibular-joint-instability-and-treatment-approaches-a-systematic-review-of-the-literature
#18
REVIEW
Bradley M Kruckeberg, Mark E Cinque, Gilbert Moatshe, Daniel Marchetti, Nicholas N DePhillipo, Jorge Chahla, Robert F LaPrade
PURPOSE: To evaluate the treatment options, outcomes, and complications associated with proximal tibiofibular joint (PTFJ) instability, which will aim to improve surgical treatment of PTFJ instability and aid surgeons in their decision making and treatment selection. METHODS: A systematic review was performed according to Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines. Inclusion criteria were as follows: PTFJ instability treatment techniques, PTFJ surgical outcomes, English language, and human studies...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28840154/do-tibial-plateau-fractures-worsen-outcomes-of-knee-ligament-injuries-a-matched-cohort-analysis
#19
Mark E Cinque, Jonathan A Godin, Gilbert Moatshe, Jorge Chahla, Bradley M Kruckeberg, Jonas Pogorzelski, Robert F LaPrade
BACKGROUND: Tibial plateau fractures account for a small portion of all fractures; however, these fractures can pose a surgical challenge when occurring concomitantly with ligament injuries. PURPOSE/HYPOTHESIS: The purpose of this study was to compare 2-year outcomes of soft tissue reconstruction with or without a concomitant tibial plateau fracture and open reduction internal fixation. We hypothesized that patients with a concomitant tibial plateau fracture at the time of soft tissue surgery would have inferior outcomes compared with patients without an associated tibial plateau fracture...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28831830/biological-treatment-of-the-knee-with-platelet-rich-plasma-or-bone-marrow-aspirate-concentrates
#20
REVIEW
Gilbert Moatshe, Elizabeth R Morris, Mark E Cinque, Cecilia Pascual-Garrido, Jorge Chahla, Lars Engebretsen, Robert F Laprade
- Knee pathologies including focal cartilage injuries, osteoarthritis (OA), and ligament injuries are common. The poor regeneration and healing potential of cartilage has led to the search for other treatment modalities with improved healing capacity. Furthermore, with an increasing elderly population that desires to remain active, the burden of knee pathologies is expected to increase. Increased sports participation and the desire to return to activities faster is also demanding more effective and minimally invasive treatment options...
December 2017: Acta Orthopaedica
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