PubMed Journals Articles About "Recognition Discoveries Repair" RSS

02:48 EDT 16th September 2019 | BioPortfolio

Recognition Discoveries Repair PubMed articles on BioPortfolio. Our PubMed references draw on over 21 million records from the medical literature. Here you can see the latest Recognition Discoveries Repair articles that have been published worldwide.

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Showing "Recognition Discoveries Repair" PubMed Articles 1–25 of 5,000+

Recognition for Discoveries in DNA Repair.

Crystal structure of the yeast Rad7-Elc1 complex and assembly of the Rad7-Rad16-Elc1-Cul3 complex.

Nucleotide excision repair (NER) is a versatile system that deals with various bulky and helix-distorting DNA lesions caused by UV and environmental mutagens. Based on how lesion recognition occurs, NER has been separated into global genome repair (GGR) and transcription-coupled repair (TCR). The yeast Rad7-Rad16 complex is indispensable for the GGR sub-pathway. Rad7-Rad16 binds to UV-damaged DNA in a synergistic fashion with Rad4, the main lesion recognizer, to achieve efficient recognition of lesions. In ...

Unitization improves item recognition through less overall neural processing.

It is widely accepted that unitization can promote familiarity-based associative recognition, but the role of unitization in recognition of individual component elements remains unclear. Our goals of this study were to elaborate how unitization influenced item recognition and to further examine the effect of unitization on the extent to which familiarity and recollection contributed to item recognition. The results showed that unitization could facilitate item recognition through reducing the contribution o...

Open versus Endovascular Repair of Abdominal Aortic Aneurysm.

Elective endovascular repair of an abdominal aortic aneurysm results in lower perioperative mortality than traditional open repair, but after 4 years this survival advantage is not seen; in addition, results of two European trials have shown worse long-term outcomes with endovascular repair than with open repair. Long-term results of a study we conducted more than a decade ago to compare endovascular repair with open repair are unknown.

Same, same, but different? A systematic review of protocols for restoration repair.

While repairs are increasingly recommended to manage partially defective restorations, performing the repair (including bonding to different substrates) can be challenging, and dentists should adhere to established repair protocols. We aimed to systematically assess the consistency and quality of repair protocols.

Quantitative Insights into Age-Associated DNA-Repair Inefficiency in Single Cells.

Although double-strand break (DSB) repair is essential for a cell's survival, little is known about how DSB repair mechanisms are affected by age. Here we characterize the impact of cellular aging on the efficiency of single-strand annealing (SSA), a DSB repair mechanism. We measure SSA repair efficiency in young and old yeast cells and report a 23.4% decline in repair efficiency. This decline is not due to increased use of non-homologous end joining. Instead, we identify increased G1 phase duration in old ...

DNA Damage Repair and DNA Methylation in the Kidney.

The DNA repair system is essential for the maintenance of genome integrity and is mainly investigated in the areas of aging and cancer. The DNA repair system is strikingly cell-type specific, depending on the expression of DNA repair factors; therefore, different DNA repair systems may exist in each type of kidney cell. Importance of DNA repair in the kidney is suggested by renal phenotypes caused by both genetic mutations in the DNA repair pathway and increased stimuli of DNA damage. Recently, we reported ...

Primary Posterior Cruciate Ligament Repair With The Novel Suture Tape Augmentation Technique.

A posterior cruciate ligament (PCL) rupture is less common than an anterior cruciate ligament (ACL) rupture. PCL reconstruction remains controversial with variable outcomes and problems. The encouraging results of the novel ACL repair techniques led to renewed interest in PCL repair. Primary arthroscopic PCL repair has been rarely discussed and literature is scarce. To the best of our knowledge, no PCL repair patient outcome has been reported with one of the novel PCL repair techniques. We present the first...

Choosing the "Best" surgical techniques for mitral valve repair: Lessons from the literature.

Mitral valve (MV) repair is the procedure of choice to correct mitral regurgitation caused by degenerative MV disease, due to its well-documented superiority over MV replacement. Repair of the MV is feasible in more than 95% of such patients and restores valve function and preserve ventricular function. Surgeons choose from a wide variety of mitral repair techniques, with the ultimate procedure based upon the pathology and the particular surgeon's personal preference. As a result, there is considerable cont...

Structural basis of ubiquitin recognition by the winged-helix domain of Cockayne syndrome group B protein.

Cockayne syndrome group B (CSB, also known as ERCC6) protein is involved in many DNA repair processes and essential for transcription-coupled repair (TCR). The central region of CSB has the helicase motif, whereas the C-terminal region contains important regulatory elements for repair of UV- and oxidative stress-induced damages and double-strand breaks (DSBs). A previous study suggested that a small part (∼30 residues) within this region was responsible for binding to ubiquitin (Ub). Here, we show that th...

Primary repair of extensive rectal injury during urethroplasty in children without bowel preparation: report of two cases.

Today, there are several methods to repair colon and rectal injury such as primary repair, stoma, resection with anastomosis and damage control only. To our best knowledge, there is no definite method published in literature about iatrogenic rectal injury during perineal urethroplasty in children.  Here we explain two 10 and 12-year old boys with iatrogenic rectal injury during perineal urethroplasty that underwent primary repair. Due to our experience, primary repair of rectum in such condition is feasibl...

Insights into telomeric G-quadruplex DNA recognition by HMGB1 protein.

HMGB1 is a ubiquitous non-histone protein, which biological effects depend on its expression and subcellular location. Inside the nucleus, HMGB1 is engaged in many DNA events such as DNA repair, transcription and telomere maintenance. HMGB1 has been reported to bind preferentially to bent DNA as well as to noncanonical DNA structures like 4-way junctions and, more recently, to G-quadruplexes. These are four-stranded conformations of nucleic acids involved in important cellular processes, including telomere ...

Comparison between mitral valve repair and replacement in active infective endocarditis.

Mitral valve repair has been proved to provide better outcomes when compared with replacement in degenerative disease. However, it is still unclear that benefits of repair still remain in active endocarditis. Patient clinical conditions and severity of tissue destruction might limit successful durable repair.

A 25 year experience of perineal hernia repair.

Though perineal hernias remain rare, the incidence is reportedly rising. Secondary to the historical rarity, optimal method of repair and outcomes after repair remain poorly understood. Therefore, we reviewed the past 25 years of our institutional experience with perineal hernia repair.

Additional Dorsal Fibrocartilage Repair in a Combined Radial Collateral Ligament and Dorsal Fibrocartilage Injury of the Thumb Metacarpophalangeal Joint.

The purpose of this study was to evaluate the necessity of an additional dorsal fibrocartilage (DFC) repair in combined radial collateral ligament (RCL) and DFC injuries of the thumb metacarpophalangeal joint (MPJ). Eight cadaveric thumbs were used. Ulnar/radial deviation, prosupination, and volar/dorsal laxity were measured. Serial sectioning was performed of the RCL and the DFC. The RCL followed by the DFC were then reattached sequentially. Measurements were performed for intact, RCL cut, RCL+DFC cut, RCL...

Intraoperative assessment of mitral valve repair: Validation of the saline test with nonresectional repair techniques.

Intraoperative assessment of the repaired mitral valve (MV) by saline testing is a standard maneuver in MV repair. Despite a growing interest in application of nonresectional techniques, the utility of the saline test following repair with neochordae has not been systematically assessed. We sought to determine the accuracy of the saline test following MV repair using nonresectional techniques.

Short-term Outcomes After Pectus Excavatum Repair in Adults and Children.

Pectus excavatum is a common congenital chest wall deformity often repaired during adolescence, although a subset of patients undergo repair as adults. The goal of our study was to determine the effects of age at repair and repair technique on short-term surgical outcomes.

Petri net-based model of the human DNA base excision repair pathway.

Cellular DNA is daily exposed to several damaging agents causing a plethora of DNA lesions. As a first aid to restore DNA integrity, several enzymes got specialized in damage recognition and lesion removal during the process called base excision repair (BER). A large number of DNA damage types and several different readers of nucleic acids lesions during BER pathway as well as two sub-pathways were considered in the definition of a model using the Petri net framework. The intuitive graphical representation ...

Beyond core object recognition: Recurrent processes account for object recognition under occlusion.

Core object recognition, the ability to rapidly recognize objects despite variations in their appearance, is largely solved through the feedforward processing of visual information. Deep neural networks are shown to achieve human-level performance in these tasks, and explain the primate brain representation. On the other hand, object recognition under more challenging conditions (i.e. beyond the core recognition problem) is less characterized. One such example is object recognition under occlusion. It is un...

SIRT6 Is Responsible for More Efficient DNA Double-Strand Break Repair in Long-Lived Species.

DNA repair has been hypothesized to be a longevity determinant, but the evidence for it is based largely on accelerated aging phenotypes of DNA repair mutants. Here, using a panel of 18 rodent species with diverse lifespans, we show that more robust DNA double-strand break (DSB) repair, but not nucleotide excision repair (NER), coevolves with longevity. Evolution of NER, unlike DSB, is shaped primarily by sunlight exposure. We further show that the capacity of the SIRT6 protein to promote DSB repair account...

Evaluation and Disposition of Fetal Myelomeningocele Repair Candidates: A Large Referral Center Experience.

Fetal myelomeningocele (fMMC) repair yields superior outcomes to postnatal repair and is increasingly offered at select fetal centers.

Non-anatomic arthroscopic repair of massive rotator cuff tears versus anatomic complete arthroscopic repair: a case-control study.

To investigate whether a non-anatomic arthroscopic repair of massive rotator cuff tear (RCT) produces satisfactory clinical outcomes comparable to those of an anatomic complete arthroscopic repair.

TSE-CNN: A Two-Stage End-To-End CNN for Human Activity Recognition.

Human activity recognition has been widely used in healthcare applications such as elderly monitoring, exercise supervision and rehabilitation monitoring. Compared with other approaches, sensor-based wearable human activity recognition is less affected by environmental noise and therefore is promising in providing higher recognition accuracy. However, one of the major issues of existing wearable human activity recognition methods is that although the average recognition accuracy is acceptable, the recogniti...

Polarity during tissue repair, a multiscale problem.

Tissue repair is essential for all organisms, as it protects the integrity and function of tissues and prevents infections and diseases. It takes place at multiple scales, from macroscopic to microscopic levels. Most mechanisms driving tissue repair rely on the correct polarisation of collective cell behaviours, such as migration and proliferation, and polarisation of cytoskeletal and junctional components. Furthermore, re-establishment and maintenance of cell polarity are fundamental for a tissue to be ful...

Temporary Inactivation of the Medial Prefrontal Cortex Impairs the Formation, but not the Retrieval of Social Odor Recognition Memory in Rats.

The hippocampus, medial dorsal thalamus and the perirhinal and entorhinal cortices are essential for visual recognition memory whereas the neural substrates underlying olfactory recognition memories are less well characterized. In the present study we combined chemogenetic inactivation with a social odor recognition memory (SORM) task to test the hypothesis that the medial prefrontal cortex (mPFC) is involved in recognition memory. We demonstrate that temporary chemogenetic inactivation of the mPFC prior to...

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