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https://www.readbyqxmd.com/read/28821556/dasatinib-reversibly-disrupts-endothelial-vascular-integrity-by-increasing-non-muscle-myosin-ii-contractility-in-a-rock-dependent-manner
#1
Anna Kreutzman, Beatriz Colom-Fernández, Ana Marcos Jiménez, Mette Ilander, Carlos Cuesta-Mateos, Yaiza Perez-García, Cristina Delgado Arévalo, Oscar Brück, Henna Hakanen, Jani Saarela, Alvaro Ortega-Carrión, Ana de Rosendo, Alba Juanes-García, Juan Luis Steegmann, Satu Mustjoki, Miguel Vicente-Manzanares, Cecilia Muñoz-Calleja
Purpose: Dasatinib is a short-acting dual ABL/SRC family tyrosine kinase inhibitor (TKI), which is frequently used to treat chronic myeloid leukemia. Although very effective, dasatinib often displays severe adverse effects, including pleural effusions and increased risk of bleeding primarily in the gastrointestinal tract. The actual causes of these side effects are currently undetermined. We hypothesize that endothelial cells (ECs) that line the inner walls of blood vessels and control the traffic to the underlying tissues, might be involved...
August 18, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28821032/using-oxidized-amylose-as-carrier-of-linalool-for-the-development-of-antibacterial-wound-dressing
#2
Yongbo Lyu, He Ren, Mengchao Yu, Xinying Li, Defu Li, Changdao Mu
This study aimed to prepare antibacterial wound dressings based on collagen and linalool/oxidized amylose inclusion complex. Encapsulation with oxidized amylose was used as an effective way to introduce linalool into collagen matrix. Our results showed that the content of linalool in the composite dressings was efficiently increased thanks to the solubilization effect of oxidized amyloses. The developed composite dressings possessed porous structure. They had abilities to keep the wound in moist environment and meanwhile prevent the excess exudates accumulation...
October 15, 2017: Carbohydrate Polymers
https://www.readbyqxmd.com/read/28820426/burn-eschar-stimulates-fibroblast-and-adipose-mesenchymal-stromal-cell-proliferation-and-migration-but-inhibits-endothelial-cell-sprouting
#3
Hanneke N Monsuur, Lenie J van den Broek, Renushka L Jhingoerie, Adrianus F P M Vloemans, Susan Gibbs
The majority of full-thickness burn wounds heal with hypertrophic scar formation. Burn eschar most probably influences early burn wound healing, since granulation tissue only forms after escharotomy. In order to investigate the effect of burn eschar on delayed granulation tissue formation, burn wound extract (BWE) was isolated from the interface between non-viable eschar and viable tissue. The influence of BWE on the activity of endothelial cells derived from dermis and adipose tissue, dermal fibroblasts and adipose tissue-derived mesenchymal stromal cells (ASC) was determined...
August 18, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28820322/platelet-rich-fibrin-prf-in-regeneration-of-intrabony-defects-a-randomized-controlled-trial
#4
Gauresh Kumar Patel, Sheela Kumar Gujjari, Veerendra Kumar S C
BACKGROUND AND OBJECTIVE: Platelet-rich fibrin (PRF) is a autologous non transfusional hemo-component with a high concentration of platelets. It incorporates leukocytes, platelets and growth factors within the dense fibrin matrix and can be used as healing biomaterial. This study assessed the adjunctive use of PRF in regenerative management of intrabony defects in comparison with open flap debridement. METHODOLOGY: 26 bilateral defects (13 per group) in 13 patients were randomized as either PRF (Test group) or Open flap debridement alone (control group) sites...
August 18, 2017: Journal of Periodontology
https://www.readbyqxmd.com/read/28819834/recurrence-of-endovascularly-and-microsurgically-treated-intracranial-aneurysms-review-of-the-putative-role-of-aneurysm-wall-biology
#5
REVIEW
Serge Marbacher, Mika Niemelä, Juha Hernesniemi, Juhana Frösén
Although endovascular therapy has been proven safe and has become in many centers the primary method of treatment for intracranial aneurysms, the long-term durability of endovascular embolization remains a concern; at least for some aneurysms despite initial good result. While healing after clipping relies on mechanical occlusion, restoration after endovascular occlusion mainly requires the induction of a biological response. Healing after embolization depends on the growth of new tissue over the thrombus formed by the embolization material, or alternatively, on the organization of thrombus into fibrous tissue...
August 17, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28819185/deletion-of-ep4-in-s100a4-lineage-cells-reduces-scar-tissue-formation-during-early-but-not-later-stages-of-tendon-healing
#6
Jessica E Ackerman, Katherine T Best, Regis J O'Keefe, Alayna E Loiselle
Tendon injuries heal via scar tissue rather than regeneration. This healing response forms adhesions between the flexor tendons in the hand and surrounding tissues, resulting in impaired range of motion and hand function. Mechanistically, inflammation has been strongly linked to adhesion formation, and Prostaglandin E2 (PGE2) is associated with both adhesion formation and tendinopathy. In the present study we tested the hypothesis that deletion of the PGE2 receptor EP4 in S100a4-lineage cells would decrease adhesion formation...
August 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28818616/molecular-insights-of-two-stat1-variants-from-rock-bream-oplegnathus-fasciatus-and-their-transcriptional-regulation-in-response-to-pathogenic-stress-interleukin-10-and-tissue-injury
#7
S D N K Bathige, Navaneethaiyer Umasuthan, G I Godahewa, William Shanthakumar Thulasitha, J D H E Jayasinghe, Qiang Wan, Jehee Lee
Signal transducers and activators of transcription 1 (STAT1) is critically involved in mediating cytokine-driven signaling, and triggers the transcription of target genes to activate cellular functions. Although the structural and functional aspects of STAT members have been well described in mammals, only limited information is available for the STAT genes in teleost fishes. In the present study, two variants of STAT1 genes (RbSTAT1 and RbSTAT1L) were identified from rock bream and characterized at the cDNA and genomic sequence levels...
August 14, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28818334/the-use-of-acupuncture-in-first-aid-of-burns-clinical-report
#8
A Loskotova, J Loskotova
Burns are a very painful skin injury, or injury of soft tissues. The development of post-traumatic stress disorder can develop, even in those with minor injuries (Ia-IIb degree). Development of problems is very rapid and intense since, according to developmental embryology, the skin and central nervous system (CNS) descend from the same germ layer-ectoderm. This clinical report presents the results acquired from the data of 1008 patients suffering from burns treated by the acupuncture (ACU)-from 1983-2015 in the surgery ward of the hospital in Vysoke Myto in the Czech Republic...
August 14, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28818169/tuberculosis-of-open-cholecystectomy-wound
#9
Nauman Ahmed, Hammad Naeem Hammad Naeem Rana
Tuberculosis of the wound is a rare entity. A50-year lady presented with an "on and off discharging wound" from the postoperative wound site of open cholecystectomy, which was done 7 years ago. Patient did not respond to standard antibiotic treatment regimens; and also the culture remained equivocal during this period. We explored the wound and found a mass in subcutaneous tissue. Resection of mass was done and wound left open for closure by secondary intention. Histopathology of the resected mass revealed tuberculosis...
July 2017: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/28817739/three-dimensional-volumetric-changes-in-severely-resorbed-alveolar-sockets-after-ridge-augmentation-with-bovine-derived-xenograft-and-resorbable-barrier-a-preliminary-study-on-cbct-imaging
#10
Valeria Manavella, Federica Romano, Lisa Corano, Cristina Bignardi, Mario Aimetti
PURPOSE: The primary aim of the study was to describe a novel technique to evaluate volumetric hard tissue dimensional changes after ridge augmentation procedures. The secondary aim was to apply this newly developed measuring method to compromised alveolar sockets grafted with a slowly resorbing biomaterial covered with a collagen membrane. MATERIALS AND METHODS: Eleven patients (6 men and 5 women, mean age 52.7 ± 8.3 years) requiring extraction of one hopeless tooth for severe periodontitis in the maxillary anterior area were consecutively treated with a ridge augmentation procedure...
August 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28817677/abnormal-expression-of-nrf2-may-play-an-important-role-in-the-pathogenesis-and-development-of-adenomyosis
#11
Ning Chen, Baoying Du, Hao Zhou, Fengxian Shen, Juan Li, Zhenwei Xie
OBJECTIVE: To explore the expression level of Nrf2 in adenomyosis and study the mechanism of abnormal expression of Nrf2 in the pathogenesis of adenomyosis. METHODS: Western blot, immunohistochemistry(IHC) and real time PCR were used to measure Nrf2 expression levels in tissue and cell samples. Knockdown and overexpression of Nrf2 were used to investigate the variation of migration ability of endometrial glandular cells as well as the regulatory mechanism. RESULTS: Nrf2 protein levels were significantly higher in the eutopic and ectopic endometrial glands when compared with control cases using IHC and western blot methods...
2017: PloS One
https://www.readbyqxmd.com/read/28817534/radius-regeneration-after-open-fracture-and-extrusion-a-case-report
#12
Kristopher B McCall, David Y Chong
A pediatric patient presenting with an open forearm fracture with segmental defect is rare, and the pediatric orthopedic literature to guide treatment is sparse. There are several described methods to treat the defect, including bone grafting and bone transport techniques. In addition, there are reports of fibular regeneration after resection if the periosteum is left intact. We present a case report of complete regeneration of over half of a pediatric radial shaft with an intact periosteum, after traumatic extrusion from an open fracture...
August 16, 2017: Journal of Pediatric Orthopedics. Part B
https://www.readbyqxmd.com/read/28817128/epithelial-inclusions-following-a-bilaminar-root-coverage-procedure-with-a-subepithelial-connective-tissue-graft-a-histologic-and-clinical-study
#13
Federica Romano, Stefano Perotto, Luca Cricenti, Stefano Gotti, Mario Aimetti
The aim of this study was to histologically examine any epithelial cell inclusions in submerged subepithelial connective tissue graft (SCTG) after clinical healing was achieved. A total of 16 patients with Miller Class I or II gingival recessions were consecutively treated with a bilaminar procedure. At 2 months after surgery, a gingival tissue specimen was harvested from all SCTG-treated sites and stained with hematoxylin-eosin. The histologic evaluation revealed connective tissue in active reorganization without epithelial inclusions in 14 of the 16 tissue specimens...
September 2017: International Journal of Periodontics & Restorative Dentistry
https://www.readbyqxmd.com/read/28816898/timing-of-postoperative-mechanical-loading-affects-healing-following-anterior-cruciate-ligament-reconstruction-analysis-in-a-murine-model
#14
Christopher L Camp, Amir Lebaschi, Guang-Ting Cong, Zoe Album, Camila Carballo, Xiang-Hua Deng, Scott A Rodeo
BACKGROUND: Following anterior cruciate ligament (ACL) reconstruction, the mechanical loading of the tissues has a significant impact on tendon-to-bone healing. The purpose of this study was to determine the effect of the timing of the initiation of mechanical loading on healing of a tendon graft in a bone tunnel. METHODS: ACL reconstruction using a flexor tendon autograft was performed in 56 mice randomized to 4 groups with differing times to initiation of postoperative mechanical loading: (1) immediate, (2) 5 days, (3) 10 days, or (4) 21 days following surgery...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28816718/double-composite-tissue-z-plasty-technique-for-anatomical-restoration-of-severe-nasal-deformity-in-secondary-unilateral-cleft-lip
#15
Jiao Wei, Tanja Herrler, Hua Xu, Qingfeng Li, Chuanchang Dai
BACKGROUND: Patients with secondary unilateral cleft lip are regularly affected by serious nasal deformities especially of the alar and nasal floor. A large number of techniques for correction have been published, but symmetrical restoration of severe nasal deformation is difficult to achieve. We propose an innovative approach for anatomical restoration for this entity of nasal deformities to achieve long-term symmetrical appearance and muscular function. METHODS: A total of 68 patients with severe nasal deformity due to secondary unilateral cleft lip underwent reconstructive surgery using a double composite tissue Z-plasty technique for anatomical restoration of cartilage, muscle, and soft tissue layers...
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28816717/comparison-of-negative-pressure-wound-therapy-and-conventional-therapy-for-cranial-bone-exposed-wounds-in-rabbits
#16
Lin Chen, Guorui Li, Sha Liu, Xianjie Ma, Xueyong Li, Yingjun Su, Shuzhong Guo
BACKGROUND: Bone-exposed wounds with intact or defected periosteum are difficult to heal. To provide relevant experimental evidence for guidance of clinical therapy, we established a rabbit model to compare the efficacies of negative pressure wound therapy (NPWT) and conventional guaze dressing therapy on the healing of cranial bone-exposed wounds. METHODS: Full-thickness excisional circular wounds of 2.0 cm in diameter with exposed bones covered with or without periosteum were created at the parietal regions in 88 rabbits that were further randomly divided into the following treatment groups: periosteum-intact wounds treated with conventional vaseline gauze dressings (P + Control group), periosteum-intact wounds treated with NPWT (P + NPWT group), periosteum-lacking wounds treated with conventional vaseline gauze dressings (P-Control group), and periosteum-lacking wounds treated with NPWT (P-NPWT group)...
August 14, 2017: Annals of Plastic Surgery
https://www.readbyqxmd.com/read/28815678/cutaneous-iridophoroma-in-a-green-iguana-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-iguana-iguana-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2-%C3%A2
#17
Estelle Rousselet, Carlos H De Mello Souza, James F X Wellehan, Ember D Epperson, Michael J Dark, Heather L Wamsley
An 11-year-old intact male Green iguana (Iguana iguana) was referred for treatment of a probable iridophoroma based on previous cytopathology. A periocular mass was present near the right medial canthus. Computed tomography did not show any sign of metastasis. Clinicopathologic abnormalities included lymphopenia and hyperproteinemia. Cytologic and histologic evaluations of the mass were consistent with iridophoroma. Complete surgical excision of the mass was not possible without removal of the orbit due to local tissue involvement...
August 16, 2017: Veterinary Clinical Pathology
https://www.readbyqxmd.com/read/28815664/simultaneous-lateral-bone-augmentation-and-implant-placement-using-a-particulated-synthetic-bone-substitute-around-chronic-peri-implant-dehiscence-defects-in-dogs
#18
Ui-Won Jung, Jae-Kook Cha, Fabio Vignoletti, Javier Nuñez, Javier Sanz, Mariano Sanz
AIM: To determine the histological outcomes when using a highly porous synthetic bone substitute and a cross-linked collagen membrane for lateral bone augmentation of peri-implant dehiscence defects. METHODS: In 8 dogs, three treatment groups were randomly allocated at each peri-implant dehiscence defect (mean height x depth = 3 x 1 mm): (i) synthetic bone substitute covered by a cross-linked collagen membrane (test group), (ii) deproteinized bovine bone mineral covered by a natural collagen membrane (positive control), and (iii) no treatment (negative control)...
August 16, 2017: Journal of Clinical Periodontology
https://www.readbyqxmd.com/read/28815183/pinx1-is-a-potential-prognostic-factor-for-non-small-cell-lung-cancer-and-inhibits-cell-proliferation-and-migration
#19
Shengguang Wang, Hua Zhang, Jianquan Zhu, Chenguang Li, Jinfang Zhu, Bowen Shi, Bin Zhang, Changli Wang
PinX1 has been identified as a suppressor of telomerase enzymatic activity. However, the tumour-suppressive roles of PinX1 in different types of human cancers are unclear. PinX1 expression status and its correlation with clinicopathological features in non-small-cell lung cancer (NSCLC) have not been investigated. Accordingly, in this study, we aimed to evaluate the roles of PinX1 in NSCLC. PinX1 expression status was examined by immunohistochemistry using tissue microarray from a total of 158 patients. Correlations among PinX1 expression, clinicopathological variables, and patient survival were analysed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28814609/tail-regeneration-and-other-phenomena-of-wound-healing-and-tissue-restoration-in-lizards
#20
REVIEW
Kathy Jacyniak, Rebecca P McDonald, Matthew K Vickaryous
Wound healing is a fundamental evolutionary adaptation with two possible outcomes: scar formation or reparative regeneration. Scars participate in re-forming the barrier with the external environment and restoring homeostasis to injured tissues, but are well understood to represent dysfunctional replacements. In contrast, reparative regeneration is a tissue-specific program that near-perfectly replicates that which was lost or damaged. Although regeneration is best known from salamanders (including newts and axolotls) and zebrafish, it is unexpectedly widespread among vertebrates...
August 15, 2017: Journal of Experimental Biology
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