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https://www.readbyqxmd.com/read/28945022/-progress-of-gene-editing-technologies-and-prospect-in-traditional-chinese-medicine
#1
REVIEW
Yan-Yan Ma, Jing-Zhe Li, Er-Ning Gao, Dan Qian, Ju-Ying Zhong, Chang-Zhen Liu
Gene editing is a kind of technologies that makes precise modification to the genome. It can be used to knock out/in and replace the specific DNA fragment, and make accurate gene editing on the genome level. The essence of the technique is the DNA sequence change with use of non homologous end link repair and homologous recombination repair, combined with specific DNA target recognition and endonuclease.This technology has wide range of development prospects and high application value in terms of scientific research, agriculture, medical treatment and other fields...
January 2017: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
https://www.readbyqxmd.com/read/28945013/pro-regenerative-hydrogel-restores-scarless-skin-during-cutaneous-wound-healing
#2
Guoming Sun
The transformation of fibrotic healing process to regenerative one has great potential to fully restore wounded skin. The M2 macrophage phenotype promotes constructive tissue remodeling and instructs tissue repair in a regenerative manner. It is hypothesized that hydrogels that can establish robustness of endogenous cells to regulate M2 phenotype will promote constructive dermal remodeling. Toward this end, a series of dextran-based bioabsorbable hydrogels are developed and self-crosslinkable dextran-isocyanatoethyl methacrylate-ethylamine (DexIEME) is identified as the potential scaffold...
September 25, 2017: Advanced Healthcare Materials
https://www.readbyqxmd.com/read/28944942/paramedian-forehead-flap-for-repair-of-refractory-high-flow-anterior-skull-base-csf-leak
#3
Jeremy Ciporen, Brandon Lucke-Wold, Haley Gillham, David Cua, Jason Kim, Paul Akins
AIM: The paramedian forehead flap (PMFF) has been well described for nasal reconstruction. However, it has never been reported for use in the repair of high flow anterior skull base cerebral spinal fluid (CSF) leaks. MATERIAL AND METHODS: The patient is a 55 yo African American male cocaine abuser who initially presented with a high flow anterior skull base CSF leak, extensive pneumocephalus, and intra-cerebral and intra-ventricular abscesses with an oro-nasal-cerebral fistula...
July 11, 2017: Turkish Neurosurgery
https://www.readbyqxmd.com/read/28944852/use-of-immunoproteomics-to-identify-immunogenic-proteins-in-a-rat-model-of-acute-respiratory-distress-syndrome
#4
Zongshu Ji, Haiyan Liu, Linsen Fang, Youxin Yu, Zheng Zhou
Acute respiratory distress syndrome (ARDS) is a common and life‑threatening clinical syndrome, and seeking biomarkers of ARDS has been an area of continuing research. The present study hypothesized that alterations to certain immunogenic substances occur in injured lungs and are able to specifically bind with corresponding proteins in the blood, and that these proteins may be readily detected. To investigate this hypothesis, a rat model of ARDS was established by cecal ligation and puncture surgery, and an immunoproteomics approach, using serum as the primary antibody in a western blot analysis, was used with the aim of identifying immunogenic proteins in the injured lungs...
September 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944834/nf%C3%A2-%C3%AE%C2%BAb%C3%A2-mir15a%C3%A2-bfgf-vegfa-axis-contributes-to-the-impaired-angiogenic-capacity-of-bm%C3%A2-mscs-in-high-fat-diet%C3%A2-fed-mice
#5
Zhuoli Zhu, Xueqi Gan, Haiyang Yu
Potent paracrine properties, such as secretion of angiogenic cytokines and growth factors, have been considered essential for the function of mesenchymal stem cells (MSCs) in tissue regeneration and repair. The present study determined that bone marrow‑derived mesenchymal stem cells from mice fed a high fat diet (HFD) had reduced pro‑angiogenic capacity, as evident from the reduced expression of vascular endothelial growth factor A (VEGFA) and basic fibroblast growth factor (bFGF); therefore, a reduced number of branches was induced in the angiogenesis assay...
September 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944825/mild-hypothermia-pretreatment-protects-against-liver-ischemia-reperfusion-injury-via-the-pi3k-akt-foxo3a-pathway
#6
Qi Xiao, Qifa Ye, Wei Wang, Jiansheng Xiao, Biqi Fu, Zhiping Xia, Xingjian Zhang, Zhongzhong Liu, Xianpeng Zeng
Mild hypothermia is known to protect against ischemia and reperfusion (IR) injury. The exact mechanisms of the protection are not fully understood. Forkhead box O3 (FOXO3a) has been defined as a critical mediator in cellular processes, including oxidative stress, apoptosis, inflammation, cell death and DNA repair; however, the protection function in mild hypothermia has not been reported previously. The current study was designed to investigate the function of phosphoinositide 3‑kinase (PI3K)/protein kinase B (AKT)/FOXO3a pathway in pretreatment with mild hypothermia during IR injury...
September 18, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28944782/perioperative-cerebrospinal-fluid-drainage-for-the-prevention-of-spinal-ischemia-after-endovascular-aortic-repair
#7
M Wortmann, D Böckler, P Geisbüsch
Endovascular treatment of thoracic and thoracoabdominal aortic diseases is accompanied by a risk of spinal ischemia in 1-19% of patients, depending on the entity and extent of the disease. The use of perioperative drainage of cerebrospinal fluid is one of the invasive measures to reduce the occurrence of this severe complication. This article reviews the incidence of spinal ischemia, its risk factors, the evidence for carrying out cerebrospinal fluid drainage and its modern use by means of an automated, pressure controlled system (LiquoGuard®7)...
2017: Gefässchirurgie: Zeitschrift Für Vaskuläre und Endovaskuläre Chirurgie
https://www.readbyqxmd.com/read/28944451/expression-of-mirna-26b-5p-and-its-target-trps1-is-associated-with-radiation-exposure-in-post-chernobyl-breast-cancer
#8
Christina M Wilke, Julia Hess, Sergiy V Klymenko, Vadim V Chumak, Liubov M Zakhartseva, Elena V Bakhanova, Annette Feuchtinger, Axel K Walch, Martin Selmansberger, Herbert Braselmann, Ludmila Schneider, Adriana Pitea, Julia Steinhilber, Falko Fend, Hans C Bösmüller, Horst Zitzelsberger, Kristian Unger
Ionising radiation is a well-recognised risk factor for the development of breast cancer, however, it is unknown whether radiation-specific molecular oncogenic mechanisms exist. We investigated post-Chernobyl breast cancers from radiation-exposed female clean-up workers and non-exposed controls for molecular changes. Radiation-associated alterations identified in the discovery cohort (n=38) were subsequently validated in a second cohort (n=39). Increased expression of hsa-miR-26b-5p was associated with radiation exposure in both of the cohorts...
September 25, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28944339/lumbar-petit-s-hernia-a-rare-entity
#9
Fatih Başak, Mustafa Hasbahçeci, Tolga Canbak, Aylin Acar, Abdullah Şişik, Gürhan Baş, Orhan Alimoğlu
Lumbar hernias are rare and diagnostically challenging for surgeons. We present the case of a middle-aged patient who presented with swelling in the left back. Subcutaneous lipoma was included in the differential diagnosis. Following diagnostic studies, computed tomography confirmed left lumbar hernia. Elective surgery was performed, and the results revealed Petit's hernia. The hernia was repaired with mesh.
2017: Turk J Surg
https://www.readbyqxmd.com/read/28944335/successful-management-without-protective-colostomy-in-an-adult-patient-with-anorectal-mal-formation
#10
Cengiz Tavusbay, Hüdai Genç, İrfan Karaca, Kemal Atahan, Mehmet Hacıyanlı, Erdal Türk
Anorectal malformations are rare occurrences characterized by the absence or abnormal localization of the anus. Clinical manifestations can vary from mild forms that require only minor surgery to more complicated cases that must be managed with multi-staged surgery. In this report, our aim is to present the clinical characteristics, management, and treatment outcome of an adult patient with an anorectal malformation with a vestibular fistula that was successfully repaired by posterior sagittal anorectoplasty (PSARP) and to discuss the case in the light of the relevant literature...
2017: Turk J Surg
https://www.readbyqxmd.com/read/28944317/comparison-of-regional-vs-general-anesthesia-for-surgical-repair-of-open-globe-injuries-at-a-university-referral-center
#11
Andrew J McClellan, Jacquelyn J Daubert, Nidhi Relhan, Kimberly D Tran, Harry W Flynn, Steven Gayer
PURPOSE: This study compares the clinical features and physician selection of either Regional Anesthesia (peribulbar or retrobulbar block) with Monitored Anesthesia Care (RA-MAC) or General Anesthesia (GA) for open globe injury repair. DESIGN: A non-randomized, comparative, retrospective case series at a University Referral Center. PARTICIPANTS: All adult repairable open globe injuries receiving primary repair between January 1st, 2004 and December 31st, 2014 (11 years)...
May 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28944309/particle-coatings-but-not-silver-ions-mediate-genotoxicity-of-ingested-silver-nanoparticles-in-a-mouse-model
#12
Sameera Nallanthighal, Cadia Chan, Dhruba J Bharali, Shaker A Mousa, Elizabeth Vásquez, Ramune Reliene
Incorporation of silver nanoparticles (AgNPs) in toothpaste, food containers, dietary supplements and other consumer products can result in oral exposure to AgNPs and/or silver ions (Ag(+)) released from the surface of AgNPs. To examine whether ingestion of AgNPs or Ag(+) results in genotoxic damage and whether AgNP coatings modulate the effect, we exposed mice orally to 20 nm citrate-coated AgNPs, polyvinylpyrrolidone (PVP)-coated AgNPs, silver acetate or respective vehicles at a 4 mg/kg dose (equivalent to 800x the EPA reference dose for Ag) for 7 days...
January 2017: NanoImpact
https://www.readbyqxmd.com/read/28944307/posterior-pole-retinal-detachment-due-to-a-macular-hole-in-a-patient-with-a-boston-keratoprosthesis
#13
Daniel Gologorsky, Basil K Williams, Harry W Flynn
PURPOSE: To describe the clinical course of a patient with a Boston Keratoprosthesis type I who developed a localized posterior pole retinal detachment secondary to a macular hole. OBSERVATIONS: A 73-year-old patient with a Boston Keratoprosthesis developed a localized posterior pole retinal detachment secondary to a macular hole. The retinal detachment was repaired with a 23-gauge pars plana vitrectomy, membrane peel, fluid-air exchange and 18% C3F8. Retinal reattachment was achieved but the macular hole remained open...
April 2017: American Journal of Ophthalmology Case Reports
https://www.readbyqxmd.com/read/28944249/return-to-play-following-shoulder-stabilization-a-systematic-review-and-meta-analysis
#14
REVIEW
Marc N Ialenti, Jeffrey D Mulvihill, Max Feinstein, Alan L Zhang, Brian T Feeley
BACKGROUND: Anterior shoulder instability can be a disabling condition for the young athlete; however, the best surgical treatment remains controversial. Traditionally, anterior shoulder instability was treated with open stabilization. More recently, arthroscopic repair of the Bankart injury with suture anchor fixation has become an accepted technique. HYPOTHESIS: No systematic reviews have compared the rate of return to play following arthroscopic Bankart repair with suture anchor fixation with the Bristow-Latarjet procedure and open stabilization...
September 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28944238/targeted-sequencing-of-36-known-or-putative-colorectal-cancer-susceptibility-genes
#15
Melissa S DeRycke, Shanaka Gunawardena, Jessica R Balcom, Angela M Pickart, Lindsey A Waltman, Amy J French, Shannon McDonnell, Shaun M Riska, Zachary C Fogarty, Melissa C Larson, Sumit Middha, Bruce W Eckloff, Yan W Asmann, Matthew J Ferber, Robert W Haile, Steven Gallinger, Mark Clendenning, Christophe Rosty, Aung K Win, Daniel D Buchanan, John L Hopper, Polly A Newcomb, Loic Le Marchand, Ellen L Goode, Noralane M Lindor, Stephen N Thibodeau
BACKGROUND: Mutations in several genes predispose to colorectal cancer. Genetic testing for hereditary colorectal cancer syndromes was previously limited to single gene tests; thus, only a very limited number of genes were tested, and rarely those infrequently mutated in colorectal cancer. Next-generation sequencing technologies have made it possible to sequencing panels of genes known and suspected to influence colorectal cancer susceptibility. METHODS: Targeted sequencing of 36 known or putative CRC susceptibility genes was conducted for 1231 CRC cases from five subsets: (1) Familial Colorectal Cancer Type X (n = 153); (2) CRC unselected by tumor immunohistochemical or microsatellite stability testing (n = 548); (3) young onset (age <50 years) (n = 333); (4) proficient mismatch repair (MMR) in cases diagnosed at ≥50 years (n = 68); and (5) deficient MMR CRCs with no germline mutations in MLH1, MSH2, MSH6, or PMS2 (n = 129)...
September 2017: Molecular Genetics & Genomic Medicine
https://www.readbyqxmd.com/read/28944173/hypertrophic-obstructive-cardiomyopathy-the-mayo-clinic-experience
#16
Kunal D Kotkar, Sameh M Said, Joseph A Dearani, Hartzell V Schaff
BACKGROUND: Hypertrophic cardiomyopathy (HCM) is a primary myocardial disease characterized by left ventricular hypertrophy in the absence of other etiologies. Clinical presentation may vary from asymptomatic to sudden cardiac death. Medical treatment is the first-line therapy for symptomatic patients. Extended left ventricular septal myectomy is the procedure of choice if medical treatment is unsuccessful or intolerable. MAYO CLINIC EXPERIENCE: More than 3,000 patients have had septal myectomy for HCM at the Mayo Clinic (MN, USA) from 1993 to 2016...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944171/current-state-of-the-art-and-future-of-myectomy
#17
REVIEW
Magdi H Yacoub, Ahmed Afifi, Hesham Saad, Heba Aguib, Ahmed ElGuindy
Surgical relief of left ventricular outflow tract obstruction (LVOTO) in hypertrophic cardiomyopathy (HCM) requires more than septal myectomy. The procedure is currently the gold standard for all symptomatic HCM patients except those with comorbidities. The operation requires an individualized approach to restore the sophisticated functions of the left ventricular outflow tract (LVOT) without injury to the surrounding vital structures. The procedure should be tailored to deal with all the varied components of the obstruction including fibrous trigones, accessory tissues, and papillary muscle fusion...
July 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28944006/regulation-of-gene-expression-is-associated-with-tolerance-of-the-arctic-copepod-calanus-glacialis-to-co2-acidified-sea-water
#18
Allison Bailey, Pierre De Wit, Peter Thor, Howard I Browman, Reidun Bjelland, Steven Shema, David M Fields, Jeffrey A Runge, Cameron Thompson, Haakon Hop
Ocean acidification is the increase in seawater pCO 2 due to the uptake of atmospheric anthropogenic CO 2, with the largest changes predicted to occur in the Arctic seas. For some marine organisms, this change in pCO 2, and associated decrease in pH, represents a climate change-related stressor. In this study, we investigated the gene expression patterns of nauplii of the Arctic copepod Calanus glacialis cultured at low pH levels. We have previously shown that organismal-level performance (development, growth, respiration) of C...
September 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28943968/high-excision-repair-cross-complementation-group-1-expression-is-associated-with-favorable-prognostic-factors-in-breast-cancer
#19
Dong Hyun Kim, Hyunjoo Lee, Dong-Hoon Kim, Seoung Wan Chae, Jin Hee Sohn, Kyungeun Kim, Sung-Im Do
Distortion of DNA can inhibit transcription and replication, resulting in cell death. The nucleotide excision repair (NER) pathway recognizes and repairs DNA adducts. Excision repair cross-complementation group 1 (ERCC1) is a nuclease that serves a vital role in the NER pathway. Few studies have investigated ERCC1 expression in breast cancer. The aim of the present study was to analyze the association between clinicopathological features and ERCC1 expression in breast cancer. ERCC1 expression was studied in 224 invasive ductal carcinomas by immunohistochemical staining...
October 2017: Oncology Letters
https://www.readbyqxmd.com/read/28943900/influence-of-chronic-inflammation-on-bcl-2-and-pcna-expression-in-prostate-needle-biopsy-specimens
#20
Michael Glover, Shardul Soni, Qinghu Ren, Gregory T Maclennan, Pingfu Fu, Sanjay Gupta
The association between inflammation and cancer has been established in certain forms of human malignancies; however, its role in prostate cancer remains unclear. The present study investigates a possible association between chronic inflammation and the development of epithelial neoplasia in the prostate. Needle biopsy specimens were obtained from patients with serum prostate-specific antigen levels >4 ng/ml, evaluated for morphological findings, and immunostained for Bcl-2 and proliferating cell nuclear antigen (PCNA)...
October 2017: Oncology Letters
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