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https://www.readbyqxmd.com/read/28318970/transcricothyroid-endoscopic-subglottic-surgery-for-posterior-glottic-stenosis-a-case-report
#1
Koji Matsushima, Kentaro Matsuura, Teppei Takeda, Yuko Sasaki, Akira Fukuo, Kota Wada, Yusuke Watanabe
Posterior glottic stenosis (PGS) is a rare but life-threatening condition mostly caused by damage to the interarytenoid mucosa by an endotracheal tube. In surgical treatment of PGS, airway patency is prioritized, and the laryngeal functions involved in swallowing and phonation are considerably sacrificed. In the majority of cases, lateralization of a vocal fold or partial excision of a vocal fold and arytenoid cartilage results in glottal closure insufficiency and deterioration of phonatory function. We present the first report of transcricothyroid endoscopic subglottic surgery to treat a 46-year-old man with PGS who was intubated for 10 days...
March 16, 2017: Journal of Voice: Official Journal of the Voice Foundation
https://www.readbyqxmd.com/read/28303918/effects-of-matrix-stiffness-on-epithelial-to-mesenchymal-transition-like-processes-of-endometrial-epithelial-cells-implications-for-the-pathogenesis-of-endometriosis
#2
Sachiko Matsuzaki, Claude Darcha, Jean-Luc Pouly, Michel Canis
Endometriosis is defined as the presence of endometrial glands and stroma within extrauterine sites. Our previous study revealed an epithelial to mesenchymal transition (EMT)-like process in red peritoneal endometriosis, whereas membrane localization of E-cadherin was well maintained in epithelial cells of deep infiltrating endometriosis (DIE). Here we show that endometrial epithelial cells (EEE) grown on polyacrylamide gel substrates (PGS) of 2 kilopascal (kPa), a soft matrix, initiate a partial EMT-like process with transforming growth factor-β1 (TGF-β1) stimulation...
March 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28299574/physiological-and-pathological-roles-of-15-deoxy-%C3%AE-12-14-prostaglandin-j2-in-the-central-nervous-system-and-neurological-diseases
#3
REVIEW
Tatsurou Yagami, Yasuhiro Yamamoto, Hiromi Koma
Prostaglandins (PGs) are divided into conventional PGs, e.g., PGD2, and cyclopentenone-type PGs, e.g., 15-deoxy-Δ(12,14) prostaglandin J2 (15d-PGJ2). PGD2 is non-enzymatically metabolized to PGJ2, Δ(12)-PGJ2, and 15d-PGJ2. In the central nervous system, 15d-PGJ2 differentiates embryonic midbrain cells into dopaminergic neuronal cells via its nuclear peroxysome proliferator-activated receptor-γ (PPARγ). 15d-PGJ2 exerts conflict actions: proinflammatory and anti-inflammatory activities. In the brain, 15d-PGJ2 possesses opposite functions as a neuroprotectant at low concentrations and a neurotoxicant at high concentrations in the brain...
March 16, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28283079/molecular-investigation-of-the-direct-anti-tumour-effects-of-nonsteroidal-anti-inflammatory-drugs-in-a-panel-of-canine-cancer-cell-lines
#4
R Yoshitake, K Saeki, M Watanabe, N Nakaoka, S M Ong, M Hanafusa, N Choisunirachon, N Fujita, R Nishimura, T Nakagawa
Nonsteroidal anti-inflammatory drugs (NSAIDs) have been suggested as effective adjunctive anti-tumour agents in human and veterinary medicine. However, the molecular mechanisms associated with their anti-tumour effects and correlations with the expression of cyclooxygenase (COX) and related molecules in tumours remain controversial. The objective of this study was to compare the expression profiles of COX and related molecules with NSAID sensitivity and to explore the molecular mechanisms of anti-tumour effects...
March 2017: Veterinary Journal
https://www.readbyqxmd.com/read/28279216/understanding-optimal-approaches-to-patient-and-caregiver-engagement-in-the-development-of-cancer-practice-guidelines-a-mixed-methods-study
#5
Melissa C Brouwers, Marija Vukmirovic, Karen Spithoff, Julie Makarski
BACKGROUND: Practice guidelines (PGs) can assist health care practitioners and patients to make decisions about health care options. A key component of high quality PGs is the consideration of patient values and preferences. A mixed methods study was conducted to understand optimal approaches to patient engagement in the development of cancer PGs. METHODS: Cancer patients, survivors, family members and caregivers were recruited from cancer clinics, follow-up clinics, community support programs, a provincial patient and family advisory committee, and a provincial cancer PG development program...
March 9, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28271000/core-shell-nanofiber-characterization-by-raman-scanning-microscopy
#6
Lauren Sfakis, Anna Sharikova, David Tuschel, Felipe Xavier Costa, Melinda Larsen, Alexander Khmaladze, James Castracane
Core/shell nanofibers are becoming increasingly popular for applications in tissue engineering. Nanofibers alone provide surface topography and increased surface area that promote cellular attachment; however, core/shell nanofibers provide the versatility of incorporating two materials with different properties into one. Such synthetic materials can provide the mechanical and degradation properties required to make a construct that mimics in vivo tissue. Many variations of these fibers can be produced. The challenge lies in the ability to characterize and quantify these nanofibers post fabrication...
February 1, 2017: Biomedical Optics Express
https://www.readbyqxmd.com/read/28258586/pre-implantation-genetic-screening-among-women-experiencing-recurrent-failure-of-in-vitro-fertilization
#7
Safak Hatirnaz, Alev Ozer, Ebru Hatirnaz, Melahat Atasever, Serdar Başaranoglu, Mine Kanat-Pektas, Murat Api
OBJECTIVE: To determine the efficiency of pre-implantation genetic screening (PGS) among women scheduled to undergo intracytoplasmic sperm injection who had experienced recurrent in vitro fertilization (IVF) failure. METHODS: The present retrospective cohort study reviewed the medical records of consecutive women who had experienced recurrent IVF failure and had presented at a private IVF facility in Trabzon Province, Turkey, to undergo intracytoplasmic sperm injection between May 1, 2012, and December 31, 2014...
March 3, 2017: International Journal of Gynaecology and Obstetrics
https://www.readbyqxmd.com/read/28255940/pathological-gambling-and-motor-impulsivity-a-systematic-review-with-meta-analysis
#8
REVIEW
Nahian S Chowdhury, Evan J Livesey, Alex Blaszczynski, Justin A Harris
Motor impulsivity, which is an impairment in withholding and cancelling inappropriate responses, may account for the inability for pathological gamblers (PGs) to inhibit their urges to gamble. The aim of this systematic review was to perform a quantitative and qualitative synthesis of existing studies in order to assess whether PGs without comorbid substance use disorder have elevated motor impulsivity, relative to healthy controls. An exhaustive literature search led to the identification of 20 studies which met inclusion criteria...
March 2, 2017: Journal of Gambling Studies
https://www.readbyqxmd.com/read/28244645/obesity-and-metabolic-dysfunction-severely-influence-prostate-cell-function-role-of-insulin-and-igf1
#9
Fernando L-López, André Sarmento-Cabral, Vicente Herrero-Aguayo, Manuel D Gahete, Justo P Castaño, Raúl M Luque
Obesity is a major health problem that courses with severe comorbidities and a drastic impairment of homeostasis and function of several organs, including the prostate gland (PG). The endocrine-metabolic regulatory axis comprising growth hormone (GH), insulin and IGF1, which is drastically altered under extreme metabolic conditions such as obesity, also plays relevant roles in the development, modulation and homeostasis of the PG. However, its implication in the pathophysiological interplay between obesity and prostate function is still to be elucidated...
February 28, 2017: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/28230003/risk-stratification-for-disease-progression-in-pt3-prostate-cancer-after-robot-assisted-radical-prostatectomy
#10
Jeong Hee Hong, Young Suk Kwon, Isaac Yi Kim
The aim of this study is to identify optimal patients for adjuvant radiation therapy (ART) in pT3 prostate cancer. The role of ART for patients with adverse pathologic features after radical prostatectomy (RP) has been demonstrated, but over- or under-treatment remains a significant concern. Two-hundred and five patients with pT3N0M0 who underwent robot-assisted RP without ART were analyzed. Multivariate Cox proportional regression analyses were used to identify predictors of biochemical recurrence (BCR) and clinical progression (CP)...
February 21, 2017: Asian Journal of Andrology
https://www.readbyqxmd.com/read/28228088/aryl-heteroaryl-substituted-celecoxib-derivatives-as-cox-2-inhibitors-synthesis-anti-inflammatory-activity-and-molecular-docking-studies
#11
Golla Madhava, Katla Venkata Ramana, Saddala Madhu Sudhana, Devineni Subba Rao, Kuntrapakam Hema Kumar, Valluru Lokanatha, Asupatri Usha Rani, Chamarthi Naga Raju
BACKGROUND: Cyclooxygenase (COX-2) inhibitors have been developed to provide better anti-inflammatory and analgesic efficacy than those of traditional NSAIDs. Several compounds having selective COX-2 inhibitors such as SC-558, Celecoxib, Rofecoxib, Valdecoxib and Etoricoxib are marketed as new generation NSAIDs and block the production of prostaglandins (PGs) in inflammatory cells. New anti-inflammatory dynamic agents with improved potency and safety profile are still needed. OBJECTIVE: As a part of our continuation research work towards the synthesis of anti-inflammatory agents, the synthesis of N-substituted aryl/heteroaryl-pyrazole-1yl benzene sulfonamide (Celecoxib) derivatives, and evaluated their anti-inflammatory activity in both methods in vitro and in vivo, and molecular docking study on COX-2 enzyme will be discussed in this study...
February 20, 2017: Medicinal Chemistry
https://www.readbyqxmd.com/read/28228071/a-rat-model-of-ischemic-enteritis-pathogenic-importance-of-enterobacteria-inos-no-and-cox-2-pge2
#12
Koji Takeuchi, Yoshino Komatsu, Yuka Nakamori, Tohru Kotani
BACKGROUND: We introduced a rat model of ischemic enteritis and investigated the roles of enterobacteria, nitric oxide (NO), and prostaglandins (PGs) in its pathogenesis. METHODS: Male rats were used after 18 h of fasting. Ischemic enteritis was induced by partial ligation of the superior mesenteric artery (SMA). Under ether anesthesia, SMA was isolated, and a stenosis was made by placing a needle (23 guage) on the vessel and ligating both the vessel and needle, and then a needle was removed from the ligature...
February 20, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28224919/characteristics-and-regulatory-pathway-of-the-prupesep1-sepallata-gene-during-ripening-and-softening-in-peach-fruits
#13
Jinjin Li, Fang Li, Ming Qian, Mingyu Han, Hangkong Liu, Dong Zhang, Juanjuan Ma, Caiping Zhao
SEPALLATA genes are members of a subfamily of MADS-box transcription factors, and have essential roles in floral organ development and fruit ripening. In this study, the PrupeSEP1 gene was cloned from peach flesh. Its deduced amino acid sequence was very similar to that of MdMADS8 and MdMADS9 in apple and MADS-RIN-like in strawberry. During storage of melting flesh (MF) peach, the pattern of SEP1 expression was similar to that of ethylene biosynthesis and ethylene signal transduction-related gene expression (EIN2 and ETR2)...
April 2017: Plant Science: An International Journal of Experimental Plant Biology
https://www.readbyqxmd.com/read/28221037/computational-investigation-of-ligand-binding-to-the-peripheral-site-in-cyp3a4-conformational-dynamics-and-inhibitor-discovery
#14
Hanwen Du, Junhao Li, Yingchun Cai, Hongxiao Zhang, Guixia Liu, Yun Tang, Weihua Li
Human cytochrome P450 3A4 (CYP3A4) is a major drug-metabolizing enzyme responsible for the metabolism of ∼50% of clinically used drugs and is often involved in drug-drug interactions. It exhibits atypical binding and kinetic behavior toward many ligands. Binding of ligands to CYP3A4 is a complex process. Recent studies from both crystallography and biochemistry suggested the existence of a peripheral ligand-binding site at the enzyme surface. However, the stability of the ligand bound at this peripheral site and the possibility of discovering new CYP3A4 ligands based on this site remain unclear...
March 2, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28219214/-analysis-of-risk-factors-for-postsurgical-gastroparesis-syndrome-pgs-after-operation-for-gastric-cancer
#15
D L Liu, X W Zhang, F Q Lyu
Objective: To investigate the risk factors for postsurgical gastroparesis syndrome (PGS) after surgery for stomach cancer. Methods: A total of 684 patients with gastric cancer who underwent surgery for stomach cancer from Jan. 1, 2010 to Dec. 31, 2014 in Tai'an Tumor Prevention and Treatment Hospital, including 475 males and 209 females, with an average age of 59.9 years were identified and included in this study. There were 206 cases of gastric cardia and gastric fundus cancers and 478 cases of gastric antrum cancer...
February 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28218307/effects-of-u0126-and-mk2206-on-cell-growth-and-re-growth-of-endometriotic-stromal-cells-grown-on-substrates-of-varying-stiffness
#16
Sachiko Matsuzaki, Jean-Luc Pouly, Michel Canis
Endometriosis is a common gynecological disorder responsible for infertility and pelvic pain. A complete cure for patients with endometriosis awaits new targets and strategies. Here we show that U0126 (a MEK inhibitor) and MK2206 (an AKT inhibitor) synergistically inhibit cell growth of deep endometriotic stromal cells (DES) grown on polyacrylamide gel substrates (PGS) of varying stiffness (2 or 30 kilopascal [kPa]) or plastic in vitro. No significant differences in cell proliferation were observed among DES, endometrial stromal cells of patients with endometriosis (EES) from the proliferative phase (P), EES-S (secretory phase) and EES-M (menstrual phase) compared to cells grown on a substrate of the same stiffness at both higher (U0126 [30 μM] and MK2206 [9 μM]) and lower (U0126 [15 μM] and MK2206 [4...
February 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28217551/cost-effectiveness-of-glaucoma-management-with-monotherapy-medications-in-egypt
#17
Amal Abd-Elaal El-Khamery, Amir Ibrahim Mohamed, Hassan Eisa Hassan Swify, Alaa Ibrahim Mohamed
Glaucoma is a serious chronic ophthalmic disease since it causes irreversible visual disability if untreated can lead to blindness. Treatment options include medications (classified into five major classes of drugs which are muscarinic cholinergic agonists, alpha-2 adrenergic agonists, beta-1 adrenergic antagonists, prostaglandins [PGs], and carbonic anhydrase inhibitors); use of laser therapy or conventional surgery. Pharmacoeconomic analysis helps in choosing among this variety of treatments. There is a great need for such analysis in Egypt since undergoing of it in different countries or societies may produce different results...
January 2017: Journal of Advanced Pharmaceutical Technology & Research
https://www.readbyqxmd.com/read/28216909/aneuploidy-screening-by-array-comparative-genomic-hybridization-improves-success-rates-of-in-vitro-fertilization-a-multicenter-indian-study
#18
Aditi Kotdawala, Deven Patel, Javier Herrero, Rajni Khajuria, Nalini Mahajan, Manish Banker
OBJECTIVE: To evaluate the usefulness of preimplantation genetic screening (PGS) using array comparative genomic hybridization (aCGH) in the Indian population. MATERIALS AND METHODS: This is a retrospective, multicenter study including 235 PGS cycles following intracytoplasmic sperm injection performed at six different infertility centers from September 2013 to June 2015. Patients were divided as per maternal age in several groups (<35, 35-36, 37-38, 39-40, and >40 years) and as per indication for undergoing PGS...
October 2016: Journal of Human Reproductive Sciences
https://www.readbyqxmd.com/read/28212299/exogenous-and-endogenous-hydrogen-sulfide-protects-gastric-mucosa-against-the-formation-and-time-dependent-development-of-ischemia-reperfusion-induced-acute-lesions-progressing-into-deeper-ulcerations
#19
Marcin Magierowski, Katarzyna Magierowska, Magdalena Hubalewska-Mazgaj, Zbigniew Sliwowski, Robert Pajdo, Grzegorz Ginter, Slawomir Kwiecien, Tomasz Brzozowski
Hydrogen sulfide (H₂S) is an endogenous mediator, synthesized from l-cysteine by cystathionine γ-lyase (CSE), cystathionine β-synthase (CBS) or 3-mercaptopyruvate sulfurtransferase (3-MST). The mechanism(s) involved in H₂S-gastroprotection against ischemia/reperfusion (I/R) lesions and their time-dependent progression into deeper gastric ulcerations have been little studied. We determined the effect of l-cysteine, H₂S-releasing NaHS or slow H₂S releasing compound GYY4137 on gastric blood flow (GBF) and gastric lesions induced by 30 min of I followed by 3, 6, 24 and 48 h of R...
February 15, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28211964/relationship-between-pathological-gambling-alexithymia-and-gambling-type
#20
Céline Bonnaire, Servane Barrault, Ania Aïte, Mathieu Cassotti, Sylvain Moutier, Isabelle Varescon
BACKGROUND AND OBJECTIVES: The aim of this study is to see if: (i) alexithymia is associated with PG and with the severity of gambling behavior; (ii) alexithymia is associated with strategic and non-strategic gambling. METHODS: Two hundred and twenty-six gamblers were recruited in different gambling locations. First, pathological gamblers (PGs) (n = 106) were compared to non-pathological gamblers (NPGs) (n = 120). Second, strategic gamblers (n = 92) were compared to non-strategic gamblers (n = 96)...
February 17, 2017: American Journal on Addictions
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