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Jeffrey R Watkins, Michael S Truitt, Houssam Osman, Rohan D Jeyarajah
Background and Objectives: Laparoscopic paraesophageal hernia repair (LPEHR) is the new standard, but the use of mesh is still debated. Biologic mesh has shown great promise, but only the U-shaped onlay has been extensively studied. Postoperative dysphagia has historically been a concern with the use of synthetic keyhole mesh and subsequently slowed its adoption. The purpose of our study was to identify the incidence of postoperative dysphagia in a series of patients who underwent laparoscopic paraesophageal hernia repair with novel placement of keyhole biologic mesh...
January 2018: JSLS: Journal of the Society of Laparoendoscopic Surgeons
Laura Aragoneses-Fenoll, Gloria Ojeda, María Montes-Casado, Yeny Acosta-Ampudia, Umberto Dianzani, Pilar Portolés, José M Rojo
Class IA phosphatidylinositol 3-kinase (PI3K) catalytic subunits p110α and p110δ are targets in cancer therapy expressed at high levels in T lymphocytes. The role of p110δ PI3K in normal or pathological immune responses is well established, yet the importance of p110α subunits in T cell-dependent immune responses is not clear. To address this problem, mice with p110α conditionally deleted in CD4+ and CD8+ T lymphocytes (p110α-/- ΔT) were used. p110α-/- ΔT mice show normal development of T cell subsets, but slightly reduced numbers of CD4+ T cells in the spleen...
2018: Frontiers in Immunology
Hongze Wang, Motoki Nakanishi, Yosuke Kawahito
An experimental system to observe the inner phenomenon of keyhole and molten pool through glass plate by high speed camera and spectrometer in high power density laser welding was set up. Two circular flows in the molten pool were observed by high speed camera, which transferred the mass from the front to the rear of the keyhole to keep the mass balance. Temperature distribution in the molten pool was firstly detected by spectrometer, which indicated that the circular flows acted as the cooling system to take heat away from the keyhole...
March 5, 2018: Optics Express
Miriam Palacios, Ricardo Tampe, Miguel Del Campo, Ta-Ying Zhong, Mercedes N López, Flavio Salazar-Onfray, María Inés Becker
Conjugation to carrier proteins is a way to improve the immunogenicity of peptides. Such is the case for peptides mimicking carbohydrate tumor-associated antigens in cancer vaccine development. The most used protein for this purpose is the keyhole limpet hemocyanin (KLH) from Megathura crenulata. Its limited bioavailability has prompted interest in finding new candidates; nevertheless, it is not known whether other hemocyanins might be equally efficient as carrier of carbohydrate peptide mimotopes to promotes anti-tumor responses...
February 27, 2018: European Journal of Medicinal Chemistry
Jorge Galindo-Villegas, Alicia García-Alcazar, José Meseguer, Victoriano Mulero
A key goal of a successful vaccine formulation is the strong induction of persistent protective immune responses without producing side-effects. Adjuvants have been proved to be successful in several species at inducing increased immune responses against poorly immunogenic antigens. Fish are not the exception and promising results of adjuvanted vaccine formulations in many species are needed. In this study, over a period of 300 days, we characterized the apparent damage and immune response in gilthead seabream immunized by intraperitoneal injection with the model antigen keyhole limpet hemocyanin (KLH) alone or formulated with Montanide ISA water-in-oil (761 or 763), or Imject™ aluminum hydroxide (aluminium), as adjuvants...
March 3, 2018: Fish & Shellfish Immunology
Michael J Fitzgerald, Sarah Ullrich, Kumar Singh, Oren Misholy, Peter Kingham, Mary S Brady
Parastomal hernia repair remains a significant surgical challenge. Recurrence after standard "keyhole" or primary suture repair is common. We adopted and modified a new technique using a construct shaped like an inverted top hat. We review our experience over the last six years in the first 30 patients (31 consecutive procedures). Of these 31 procedures, six (19%) resulted in a parastomal hernia recurrence with a median follow-up of 31 months (range 0.5-80). Four of the recurrences occurred in our initial experience, when we constructed the top hat of xenograft alone...
February 22, 2018: American Journal of Surgery
Jaechan Park, Wonsoo Son, Youngseok Kwak, Boram Ohk
OBJECTIVE The objective of this study was to evaluate and compare the level of patient satisfaction and approach-related patient complaints between a superciliary keyhole approach and a pterional approach. METHODS Patients who underwent an ipsilateral superciliary keyhole approach and a contralateral pterional approach for bilateral intracranial aneurysms during an 11-year period were contacted and asked to complete a patient satisfaction questionnaire. The questionnaire covered 5 complaint areas related to the surgical approaches: craniotomy-related pain, sensory symptoms in the head, cosmetic complaints, palpable cranial irregularities, and limited mouth opening...
March 2, 2018: Journal of Neurosurgery
Jianxin Tu, Xiaobing Wang, Guannan Geng, Xiangyang Xue, Xiangyang Lin, Xiaochun Zhu, Li Sun
This study was aimed to evaluate the role of B-cell epitopes of Epstein-Barr virus (EBV) Early antigen protein D (EA), envelope glycoprotein GP340/membrane antigen (MA), latent membrane protein (LMP)-1, and LMP-2A in systemic lupus erythematosus (SLE). B-cell epitopes were predicted by analyzing secondary structure, transmembrane domains, surface properties, and homological comparison. 60 female mice were randomized equally into 12 groups: 1-10 groups were immunized by epitope peptides (EPs) 1-10, respectively, while 11 and 12 groups were PBS and Keyhole limpet hemocyanin (KLH) control groups...
2018: Frontiers in Immunology
Reid Hoshide, Harrison Faulkner, Mario Teo, Charles Teo
OBJECTIVE There are numerous treatment strategies in the management for large vestibular schwannomas, including resection only, staged resections, resections followed by radiosurgery, and radiosurgery only. Recent evidence has pointed toward maximal resection as being the optimum strategy to prevent tumor recurrence; however, durable tumor control through aggressive resection has been shown to occur at the expense of facial nerve function and to risk other approach-related complications. Through a retrospective analysis of their single-institution series of keyhole neurosurgical approaches for large vestibular schwannomas, the authors aim to report and justify key techniques to maximize tumor resection and reduce surgical morbidity...
March 2018: Neurosurgical Focus
E Alonso-Rodriguez, E Gómez, M Martín, J-M Muñoz, J Hernández-Godoy, M Burgueño
BACKGROUND: Macroglossia causes functional deficits such as airway obstruction, drooling, phonation difficulties, and leads to protrusion of dentoalveolar structures resulting in an anterior open bite and a prognathic mandibular appearance. Macroglossia is present in the majority of patients with Beckwith-Wiedemann syndrome (BWS) and surgical treatment may be indicated. MATERIAL AND METHODS: A retrospective review was conducted including BWS patients who underwent surgical tongue reduction between 2000 and 2015 at the Hospital Universitario La Paz, Madrid...
February 24, 2018: Medicina Oral, Patología Oral y Cirugía Bucal
Clare Healy, Ian Baldwin, Judy Currey, Andrea Driscoll
OBJECTIVE: To reduce radial arterial catheter failure in patients admitted to an adult intensive care unit (ICU). DESIGN: A randomised controlled trial. SETTING: A single site, large metropolitan tertiary referral public hospital. PARTICIPANTS: Three hundred participants admitted to an adult ICU were enrolled between 25 May and 13 September 2015. INTERVENTIONS: Participants were randomly assigned to one of two treatment groups (a polyurethane adhesive keyhole dressing or a polyurethane adhesive keyhole dressing together with a polyurethane semipermeable transparent dressing)...
March 2018: Critical Care and Resuscitation: Journal of the Australasian Academy of Critical Care Medicine
Jonathan Rychen, Davide Croci, Michel Roethlisberger, Erez Nossek, Matthew Potts, Ivan Radovanovic, Howard Riina, Luigi Mariani, Raphael Guzman, Daniel W Zumofen
OBJECTIVE: Minimally invasive alternatives to the pterional craniotomy include the minipterional and the supraorbital craniotomy (SOC). The latter is performed via either an eyebrow or an eyelid skin incision. The purpose of this systematic review was to analyze the type and the incidence of approach-related complications of these keyhole craniotomies. METHODS: We review pertinent publications retrieved by search in the PubMed/Medline database. Inclusion criteria were all full-text publications, abstracts, and posters in English, up to 2016, reporting clinical results...
February 13, 2018: World Neurosurgery
Yuanxin Liang, Stephen P Naber, Abhishek Chatterjee
Oncoplastic surgery provides breast cancer patients with greater aesthetic satisfaction without compromising disease-free survival or overall survival rate. Large volume displacement oncoplastic surgical techniques have become increasingly popular as a strategy for improving aesthetic outcomes and extending the option of breast conservation therapy. They often involve breast reduction or mastopexy reconstructive techniques to facilitate resection of large breast volumes on the side of the breast cancer and accompanied with symmetry contralateral breast reductions or mastopexies...
February 15, 2018: Modern Pathology: An Official Journal of the United States and Canadian Academy of Pathology, Inc
Yudai Takatani, Kenji Ono, Hiromi Suzuki, Masato Inaba, Makoto Sawada, Naoyuki Matsuda
Hypothermia is a significant sign of sepsis, which is associated with poor prognosis, but few mechanisms underlying the regulation of hypothermia are known. Inducible nitric oxide synthase (iNOS) is a key inflammatory mediator of sepsis. However, the therapeutic benefit of iNOS inhibition in sepsis is still controversial, and requires elucidation in an accurate model system. In this study, wild-type (WT) mice showed temperature drops in a biphasic manner at the early and late phase of sepsis, and all mice died within 48 h of sepsis...
February 14, 2018: Laboratory Investigation; a Journal of Technical Methods and Pathology
Ryo Kawakami, Yoichi Nozato, Hironori Nakagami, Yuka Ikeda, Munehisa Shimamura, Shota Yoshida, Jiao Sun, Tomohiro Kawano, Yoichi Takami, Takahisa Noma, Hiromi Rakugi, Tetsuo Minamino, Ryuichi Morishita
Proprotein convertase subtilisin/kexin type 9 (PCSK9) regulates expression of low-density lipoprotein (LDL) receptors via receptor internalization and subsequent lysosomal degradation. Thus, an anti-PCSK9 antibody is well known as an anti-hyperlipidemia drug. Here, we aimed to develop vaccine for a long-term treatment of dyslipidemia targeted to PCSK9. In This study, we designed a peptide vaccine for mouse PCSK-9, which consisted of short peptides conjugated to keyhole limpet hemocyanin (KLH) as a carrier protein...
2018: PloS One
Clare Dyer
No abstract text is available yet for this article.
February 5, 2018: BMJ: British Medical Journal
Jessica Delhaye, Tania Jenkins, Olivier Glaizot, Philippe Christe
BACKGROUND: Plasmodium parasites are known to impose fitness costs on their vertebrate hosts. Some of these costs are due to the activation of the immune response, which may divert resources away from self-maintenance. Plasmodium parasites may also immuno-deplete their hosts. Thus, infected individuals may be less able to mount an immune response to a new pathogen than uninfected ones. However, this has been poorly investigated. METHODS: The effect of Plasmodium infection on bird humoral immune response when encountering a novel antigen was tested...
February 9, 2018: Malaria Journal
Sivashanmugam Dhandapani, Sushant Kumar Sahoo
BACKGROUND: Minimally invasive approach to distal anterior cerebral artery (DACA) aneurysms could not gain much acceptance due to the difficulties associated with conventional frontal paramedian approach. The more proximal basal interhemispheric approach however necessitated extensive dissection of soft tissues. We describe a minimally invasive median supraorbital keyhole craniotomy with basal interhemispheric approach for clipping a ruptured DACA aneurysm. METHODS: A 62-year-old patient presented with subarachnoid hemorrhage...
February 1, 2018: World Neurosurgery
T V L Berghof, J A J Arts, H Bovenhuis, A Lammers, J J van der Poel, H K Parmentier
NAb are defined as antigen binding antibodies present without a known previous exposure to this antigen. NAb are suggested to enhance specific antibody (SpAb) responses, but consequences of different NAb levels on immunization are largely unknown. Layer chickens were divergently selected and bred for keyhole limpet hemocyanin (KLH)-binding NAb titers, resulting in a High line and a Low line. In this study, we investigated: (1) the relation of NAb levels with SpAb titers; and (2) the effect of immunization on NAb titers...
February 3, 2018: Vaccine
Loren Merrill, Madeleine F Naylor, Merria Dalimonte, Sean McLaughlin, Tara E Stewart, Jennifer L Grindstaff
Early-life adversity can have long-lasting effects on physiological, behavioural, cognitive, and somatic processes. Consequently, these effects may alter an organism's life-history strategy and reproductive tactics.In response to early-life immune activation, we quantified levels of the acute phase protein haptoglobin (Hp) during development in male zebra finches (Taeniopygia guttata). Then, we examined the long-term impacts of early-life immune activation on an important static sexual signal, song complexity, as well as effects of early-life immune activation on the relationship between song complexity and a dynamic sexual signal, beak colouration...
December 2017: Functional Ecology
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