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Surgical Pathway

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https://www.readbyqxmd.com/read/28212404/the-pineal-gland-a-model-for-adrenergic-modulation-of-ubiquitin-ligases
#1
Jerry Vriend, Wenjun Liu, Russel J Reiter
INTRODUCTION: A recent study of the pineal gland of the rat found that the expression of more than 3000 genes showed significant day/night variations (The Hartley dataset). The investigators of this report made available a supplemental table in which they tabulated the expression of many genes that they did not discuss, including those coding for components of the ubiquitin proteasome system. Herein we identify the genes of the ubiquitin proteasome system whose expression were significantly influenced by environmental lighting in the Hartley dataset, those that were stimulated by DBcAMP in pineal glands in culture, and those that were stimulated by norepinephrine...
2017: PloS One
https://www.readbyqxmd.com/read/28211795/a-murine-model-of-a-novel-surgical-architecture-for-proprioceptive-muscle-feedback-and-its-potential-application-to-control-of-advanced-limb-prostheses
#2
Tyler R Clites, Matthew Carty, Shriya Srinivasan, Anthony Zorzos, Hugh Herr
<i>Objective:</i> Proprioceptive mechanisms play a critical role in both reflexive and volitional lower extremity control. Significant strides have been made in the development of bionic limbs that are capable of bi-directional communication with the peripheral nervous system, but none of these systems have been capable of providing physiologically-relevant muscle-based proprioceptive feedback through natural neural pathways. In this study, we present the Agonist-antagonist Myoplastic Interface (AMI), a surgical approach with the capacity to provide graded kinesthetic feedback from a prosthesis through mechanical activation of native mechanoreceptors within residual agonist-antagonist muscle pairs...
February 17, 2017: Journal of Neural Engineering
https://www.readbyqxmd.com/read/28202289/rolipram-potentiates-bevacizumab-induced-cell-death-in-human-glioblastoma-stem-like-cells
#3
Sara Ramezani, Nasim Vousooghi, Fatemeh Ramezani Kapourchali, Mahmoudreza Hadjighasem, Parisa Hayat, Naser Amini, Mohammad Taghi Joghataei
AIMS: Glioblastoma cancer stem-like cells (GCSCs) promote themselves proliferation by secreting the vascular endothelial growth factor A (VEGFA) in an autocrine manner, positively regulated by phosphodiesterase IV (PDE4). In the current study, we investigated the putative cytotoxic effect of bevacizumab, a VEGFA blocker, alone and in combination with a specific inhibitor of PDE4 called rolipram on GCSCs isolated from human surgical tumor specimen with a focus on PI3K/AKT pathway. MAIN METHODS: CD133+/CD15+ GCSCs were characterized by flow cytometry and expanded in a serum-free primary culture system...
February 12, 2017: Life Sciences
https://www.readbyqxmd.com/read/28202196/vulvar-postoperative-care-gestalt-or-evidence-based-medicine-a-comprehensive-systematic-review
#4
REVIEW
Alon D Altman, Christine Robinson
OBJECTIVE: This paper reviews all current literature for vulvar postoperative care, and forms a summary of evidence based practice. DATA SOURCES: Scopus, Cochrane Library, CINHAL, Web of Science Core Collection, PubMed, Embase, Google Scholar, clinicaltrials.gov and Medline databases were searched. METHODS OF STUDY SELECTION: Various combinations of key-terms were used to identify relevant articles. All identified primary research articles and review articles were then examined with their references in order to identify further relevant studies...
February 12, 2017: Gynecologic Oncology
https://www.readbyqxmd.com/read/28196015/genomic-characterization-of-low-and-high-grade-pancreatic-mucinous-cystic-neoplasms-reveals-recurrent-kras-alterations-in-high-risk-lesions
#5
James R Conner, Adrián Mariño-Enríquez, Mari Mino-Kenudson, Elizabeth Garcia, Martha B Pitman, Lynette M Sholl, Amitabh Srivastava, Leona A Doyle
OBJECTIVES: Pancreatic ductal adenocarcinoma arises from the following 3 distinct precursor lesions: pancreatic intraepithelial neoplasia, intraductal papillary mucinous neoplasm, and mucinous cystic neoplasm (MCN). Genetic abnormalities in the first 2 precursor lesions have been well characterized, but there are limited data on progression pathways in MCNs. This study aimed to characterize genomic differences between MCNs with low-grade (LG) and high-grade (HG) dysplasia or carcinoma...
February 14, 2017: Pancreas
https://www.readbyqxmd.com/read/28195818/notch1-overexpression-correlates-to-improved-survival-in-cancer-of-the-oropharynx
#6
Azeem S Kaka, Nicholas B Nowacki, Bhavna Kumar, Songzhu Zhao, Matthew O Old, Amit Agrawal, Enver Ozer, Ricardo L Carrau, David E Schuller, Pawan Kumar, Theodoros N Teknos
Objectives The Notch1 signaling pathway has recently been shown to be highly dysregulated in head and neck squamous cell carcinoma, but the value of Notch1 as a predictive biomarker is yet to be elucidated in oropharyngeal squamous cell carcinoma (OPSCC). The objective of this study is to evaluate Notch1 expression in surgical OPSCC specimens and determine clinicopathologic correlates. Study Design Case series with planned data collection. Setting Tertiary academic medical center. Subjects and Methods Surgical specimens from 181 patients with OPSCC were collected to create a tissue microarray (TMA)...
February 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28195360/what-is-the-pathway-forward-for-the-surgical-management-of-essential-tremor
#7
Elan D Louis, Amar Patel, Jason L Gerrard
No abstract text is available yet for this article.
February 13, 2017: Annals of Neurology
https://www.readbyqxmd.com/read/28194541/undermining-plastic-surgery-as-a%C3%A2-possible-option-for-treating-basal-cell-carcinoma-of-the-forehead
#8
Georgi Tchernev, Ivan Pidakev, Ilia Lozev, Torello Lotti, Jose Carlos Cardoso, James W Patterson
Basal cell carcinoma (BCC) is the most common cutaneous cancer. Although most cases can be cured with simple surgical procedures and are associated with a good prognosis, a minority of BCCs may pose significant therapeutic challenges. This occurs mostly in cases of so-called advanced BCC, which a loosely defined term that encompasses locally advanced lesions and tumors with metastatic spread. Treatment of these cases is often complex and sometimes may need combinations of therapeutic modalities, including surgery, radiotherapy and/or targeted therapy directed towards sonic hedgehog (SHH) signaling pathways, such as vismodegib...
February 13, 2017: Wiener Medizinische Wochenschrift
https://www.readbyqxmd.com/read/28194023/interleukin-33-drives-hepatic-fibrosis-through-activation-of-hepatic-stellate-cells
#9
Zhongming Tan, Qianghui Liu, Runqiu Jiang, Long Lv, Siamak S Shoto, Isabelle Maillet, Valerie Quesniaux, Junwei Tang, Wenjie Zhang, Beicheng Sun, Bernhard Ryffel
Liver fibrosis is a consequence of chronic liver disease, causing morbidity and mortality. Interleukin-33 (IL-33) is a critical mediator of inflammation, which may be involved in the development of liver fibrosis. Here, we investigated the role of IL-33 in human patients and experimental bile-duct ligation (BDL)-induced fibrosis in mice. We report increased hepatic IL-33 expression in the murine BDL model of fibrosis and in surgical samples obtained from patients with liver fibrosis. Liver injury, inflammatory cell infiltration and fibrosis were reduced in the absence of the IL-33/ST2 receptor, and the activation of hepatic stellate cells (HSCs) was decreased in ST2-deficient mice...
February 13, 2017: Cellular & Molecular Immunology
https://www.readbyqxmd.com/read/28191313/metastatic-biomarkers-in-synovial-sarcoma
#10
REVIEW
Rosalia de Necochea-Campion, Lee M Zuckerman, Hamid R Mirshahidi, Shahrzad Khosrowpour, Chien-Shing Chen, Saied Mirshahidi
Synovial sarcoma (SS) is an aggressive soft tissue sarcoma (STS) that typically occurs in the extremities near a joint. Metastatic disease is common and usually occurs in the lungs and lymph nodes. Surgical management is the mainstay of treatment with chemotherapy and radiation typically used as adjuvant treatment. Although chemotherapy has a positive impact on survival, the prognosis is poor if metastatic disease occurs. The biology of sarcoma invasion and metastasis remain poorly understood. Chromosomal translocation with fusion of the SYT and SSX genes has been described and is currently used as a diagnostic marker, although the full impact of the fusion is unknown...
2017: Biomarker Research
https://www.readbyqxmd.com/read/28185349/indirect-computed-tomographic-lymphography-for-iliosacral-lymphatic-mapping-in-a-cohort-of-dogs-with-anal-sac-gland-adenocarcinoma-technique-description
#11
Stephanie A Majeski, Michele A Steffey, Mark Fuller, Geraldine B Hunt, Philipp D Mayhew, Rachel E Pollard
Sentinel lymph node mapping can help to direct surgical oncologic staging and metastatic disease detection in patients with complex lymphatic pathways. We hypothesized that indirect computed tomographic lymphography (ICTL) with a water-soluble iodinated contrast agent would successfully map lymphatic pathways of the iliosacral lymphatic center in dogs with anal sac gland carcinoma, providing a potential preoperative method for iliosacral sentinel lymph node identification in dogs. Thirteen adult dogs diagnosed with anal sac gland carcinoma were enrolled in this prospective, pilot study, and ICTL was performed via peritumoral contrast injection with serial caudal abdominal computed tomography scans for iliosacral sentinel lymph node identification...
February 9, 2017: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/28181780/diagnosis-treatment-clinical-course-and-prognosis-of-childhood-onset-craniopharyngioma-patients
#12
Hermann L Müller
CONTEXT: For decades gross-total resection was the preferred treatment option in childhood-onset craniopharyngioma, assuming that radical strategies at the time of initial diagnosis and treatment would result in cure. Recent reports on long-term prognosis, novel treatment approaches, and molecular genetics provide new insights into more risk-adapted treatment strategies in order to prevent sequelae such as hypothalamic syndrome. EVIDENCE ACQUISITION: A search for original articles published between 2000 and 2016 was performed in PubMed, Science Citation Index Expanded, EMBASE and Scopus...
February 9, 2017: Minerva Endocrinologica
https://www.readbyqxmd.com/read/28179200/laparoscopic-management-of-abdomininal-pregnancy
#13
Francesco Cosentino, Cristiano Rossitto, Luigi Carlo Turco, Salvatore Gueli Alletti, Carmine Vascone, Lavinia Di Meglio, Giovanni Scambia, Mario Malzoni
CASE REPORT OBJECTIVE: To show the surgical management in laparoscopy of a particular localization of an extra-uterine pregnancy misunderstood until 12 week of EG complicated by hemoperitoneum and abortion. BACKGROUND: The prevalence of ectopic pregnancy among women who go to an emergency department with first trimester bleeding, pain, or both ranges from 1 to 16 percent [1]. The most common localization of ectopic pregnancy are the Fallopian tubes while abdominal pregnancy represent at least 1 percent of extra-uterine pregnancies...
February 4, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28174231/should-bariatric-surgery-be-performed-in-adolescents
#14
REVIEW
Andrew J Beamish, Thomas Reinehr
Adolescent obesity has markedly increased worldwide in both its extent and prevalence in recent decades and obesity prevention strategies are failing. As a result, effective treatment strategies are urgently needed. As behavioral and pharmacological treatment approaches have only moderate effects in severe obesity, bariatric surgery has begun to emerge as a treatment option. In this debate article, we offer arguments opposing and supporting bariatric surgery in the treatment of severe obesity in adolescents...
April 2017: European Journal of Endocrinology
https://www.readbyqxmd.com/read/28167142/molecular-landscape-of-arthrofibrosis-microarray-and-bioinformatic-analysis-of-the-temporal-expression-of-380-genes-during-contracture-genesis
#15
Mark E Morrey, Matthew P Abdel, Scott M Riester, Amel Dudakovic, Andre J van Wijnen, Bernard F Morrey, Joaquin Sanchez-Sotelo
PURPOSE: Inflammatory changes are suspected in the pathophysiology of arthrofibrosis formation and require early molecular examination.Here, we assessed the hypothesis that early inflammatory genes are related to arthrofibrosis by ascertaining gene expression during the early stages of contracture genesis in an animal model. METHODS: Joint trauma was incited surgically in a cohort of rabbits (n=36) knees followed by immobilization in a model of contracture.Six groups of 6 rabbits were sacrificed at multiple time points (0, 6, 12, 24, 72h and 2weeks)...
February 3, 2017: Gene
https://www.readbyqxmd.com/read/28165296/the-activation-of-the-kynurenine-pathway-in-a-rat-model-with-renovascular-hypertension
#16
Jacek Bartosiewicz, Tomasz Kaminski, Krystyna Pawlak, Malgorzata Karbowska, Anna Tankiewicz-Kwedlo, Dariusz Pawlak
Hypertension is a serious condition that can lead to many health problems. The mechanisms underlying this process are still not fully understood. The kynurenine pathway may be involved in the occurrence and progression of hypertension. The purpose of this study was to examine the activity of peripheral kynurenine pathway in rats with renovascular hypertension in Goldblatt 2K1C model. Hypertension was induced in the experimental groups by constricting the renal artery of the left kidney of the rats. Determination of tryptophan (Trp) and kynurenine pathway metabolites was assessed by high-performance liquid chromatography in plasma and tissues obtained at 4, 8, and 16 weeks after the surgical intervention or sham surgery...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28161015/-electrophysiological-testing-in-spinal-cord-tumors
#17
REVIEW
N André-Obadia, F Mauguière
Evoked potentials (EPs) are useful to evaluate the functional impairment of motor and somatosensory pathways in spinal cord tumors. Conduction through pyramidal tracts is evaluated by motor EPs (MEPs) elicited by transcranial stimulation, magnetic for awake patients or electric in the operating room. Somatosensory EPs (SEPs) and laser EPs (LEPs) are complementary procedures to explore conduction in dorsal columns and spinothalamic tracts, respectively. MEPs as well as SEPs show conduction abnormalities in about 60% of cases with a sensitivity that increases up to 70% when both procedures are carried out...
February 1, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28160157/a-comparison-of-serum-mirnas-influencing-metastatic-growth-of-emt6-vs-4thm-tumor-cells-in-wild-type-and-cd200r1ko-mice
#18
Reginald M Gorczynski, Fang Zhu, Zhiqi Chen, Ohla Kos, Ismat Khatri
PURPOSE: We investigated whether miRNAs in exosomes from EMT6 or 4THM tumor-bearing mice played a role in regulating inflammatory cytokine expression and/or metastasis in WT mice injected with EMT6 and/or 4THM tumor cells. METHODS: EMT6 tumors in BALB/c CD200R1KO mice resolve following surgical resection of localized tumor and immunization with irradiated EMT6 cells along with CpG as adjuvant. Wild-type (WT) animals treated in the same fashion develop pulmonary and liver metastases within 20 days of surgery...
February 3, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28159606/recent-coating-developments-for-combination-devices-in-orthopedic-and-dental-applications-a-literature-review
#19
Eric J Tobin
Orthopedic and dental implants have been used successfully for decades to replace or repair missing or damaged bones, joints, and teeth, thereby restoring patient function subsequent to disease or injury. However, although device success rates are generally high, patient outcomes are sometimes compromised due to device-related problems such as insufficient integration, local tissue inflammation, and infection. Many different types of surface coatings have been developed to address these shortcomings, including those that incorporate therapeutic agents to provide localized delivery to the surgical site...
January 31, 2017: Advanced Drug Delivery Reviews
https://www.readbyqxmd.com/read/28156521/development-and-implementation-of-a-clinical-pathway-for-radiation-of-bone-metastases-on-a-palliative-radiation-oncology-service
#20
Joseph Killoran, Tracy A Balboni, Monica Shalini Krishnan, Allison Taylor, Neil E Martin
: 170 Background: Clinical pathways increase compliance with treatment guidelines and reduce in-hospital complications. Evidence around treatment of complicated bone metastases is increasingly nuanced and although ASTRO/ACR recommend single fraction radiation therapy for uncomplicated bone metastases, implementation is variable. We sought to determine the effects of a bone metastases-focused clinical pathway on the practice patterns of our institution's palliative radiation oncology service (SPRO), which sees 600 patients yearly and on a rotating basis, involves 23 physicians, 28 residents, 2 nurse practitioners, and 1 fellow...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
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