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https://www.readbyqxmd.com/read/28425750/modeling-alloantibody-formation-to-high-incidence-red-blood-cell-antigens-in-immune-responders-using-genotypic-data
#1
Patricia A R Brunker, Keerthana Ravindran, R S Shirey
Alloimmunization to red blood cell antigens is unpredictable and poorly understood. Patients who are negative for high-incidence antigens (HIAs) are at risk for developing the corresponding antibodies. Molecular methods can easily predict the lack of an antigen and thus, the risk of an individual to become immunized. We examined the prevalence and risk factors for HIA alloimmunization in patients at risk based on genotyping results. Genotyping using a molecular method (HEA BeadChip™, Immucor, Warren, NJ) was performed on all patient specimens referred for molecular testing over 45 months; serologic and clinical data were analyzed...
January 2017: Immunohematology
https://www.readbyqxmd.com/read/28409524/natural-course-of-untreated-cluster-headache-a-retrospective-cohort-study
#2
Mi Ji Lee, Hyun Ah Choi, Jong Hwa Shin, Hea Ree Park, Chin-Sang Chung
Objective To determine the natural course of cluster headache. Methods We screened patients with cluster headache who were diagnosed at Samsung Medical Center and lost to follow-up for ≥5 years. Eligible patients were interviewed by phone about the longitudinal changes in headache characteristics and disease course. Remission was defined as symptom-free 1) for longer than twice the longest between-bout period and 2) for ≥5 years. Results Forty-two patients lost to follow-up for mean 7.5 (range, 5.0-15.7) years were included...
January 1, 2017: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/28391923/evolutionary-processes-and-sources-of-high-nitrate-haze-episodes-over-beijing-spring
#3
Ting Yang, Yele Sun, Wei Zhang, Zifa Wang, Xingang Liu, Pingqing Fu, Xiquan Wang
Rare and consecutive high-nitrate haze pollution episodes were observed in Beijing in spring 2012. We present detailed characterization of the sources and evolutionary mechanisms of this haze pollution, and focus on an episode that occurred between 15 and 26 April. Submicron aerosol species were found to be substantially elevated during haze episodes, and nitrates showed the largest increase and occupation (average: 32.2%) in non-refractory submicron particles (NR-PM1), which did not occur in other seasons as previously reported...
April 2017: Journal of Environmental Sciences (China)
https://www.readbyqxmd.com/read/28391505/bacterial-communities-on-facial-skin-of-teenage-and-elderly-thai-females
#4
Naraporn Somboonna, Alisa Wilantho, Chutika Srisuttiyakorn, Anunchai Assawamakin, Sissades Tongsima
The Human Microbiome Project was first established to understand the roles of human-associated microbes to human health and disease. This study presents preliminary findings of Thai female facial skin microbiome using three pooled samples from groups of skin microbiome profiles, namely (1) healthy and (2) acne-prone young adults (teenage.hea and teenage.acn) and (3) healthy elderly adults (elderly.hea) based on standard dermatological criteria. These samples were sequenced using 454-pyrosequencing targeting 16S rRNA (V3-V4 regions)...
April 8, 2017: Archives of Microbiology
https://www.readbyqxmd.com/read/28389094/monoclonal-antibody-fragment-removal-mediated-by-mixed-mode-resins
#5
Ellen O'Connor, Matthew Aspelund, Frank Bartnik, Mark Berge, Kelly Coughlin, Mutsa Kambarami, David Spencer, Huiming Yan, William Wang
Efforts to increase monoclonal antibody expression in cell culture can result in the presence of fragmented species requiring removal in downstream processing. Capto adhere, HEA Hypercel, and PPA Hypercel anion exchange/hydrophobic interaction mixed mode resins were evaluated for their fragment removal capabilities and found to separate large hinge IgG1 antibody fragment (LHF) from monomer. Removal of greater than 75% of LHF population occurred at pH 8 and low conductivity. The mechanism of fragment removal was investigated in two series of experiments...
April 4, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28384425/ionoregulatory-characteristics-of-non-rio-negro-characiforms-and-cichlids
#6
R J Gonzalez, S L Jones, T V Nguyen
We examined ionoregulatory characteristics of two species of characiform fish and two species of cichlids that are not native to the Rio Negro, an extremely ion-poor, acidic tributary of the Amazon River, in order to gain insight into the origin of the specializations possessed by Rio Negro fish. The two characiform species examined, Congo tetras (Phenacogrammus interruptus) and black neon tetras (Hyphessobrycon herbertaxelrodi), had high-affinity/high-capacity transporters that produce high rates of uptake in dilute water...
May 2017: Physiological and Biochemical Zoology: PBZ
https://www.readbyqxmd.com/read/28379062/inhibition-of-microrna-21-by-an-antagomir-ameliorates-allergic-inflammation-in-a-mouse-model-of-asthma
#7
Hwa Young Lee, Hea Yon Lee, Joon Young Choi, Jung Hur, In Kyoung Kim, Young Kyoon Kim, Ji Young Kang, Sook Young Lee
AIM OF THE STUDY: MicroRNA-21 (miR-21) is up-regulated during allergic airway inflammation, reflecting a Th2 immune response. We investigated the effects of an miR-21 antagomir and its mechanism of action in a mouse model of acute bronchial asthma. MATERIALS AND METHODS: BALB/c mice were sensitized and challenged with ovalbumin (OVA). The anti-miR-21 antagomir was administered by intranasal inhalation from the day of sensitization. Changes in cell counts, Th2 cytokine levels in bronchoalveolar (BAL) fluid, and airway hyper-responsiveness (AHR) were examined...
April 5, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28371345/the-prostate-metastasis-suppressor-gene-ndrg1-differentially-regulates-cell-motility-and-invasion
#8
Anup Sharma, Janet Mendonca, James Ying, Hea-Soo Kim, James E Verdone, Jelani C Zarif, Michael Carducci, Hans Hammers, Kenneth J Pienta, Sushant Kachhap
Experimental and clinical evidence suggests that N-myc downregulated gene 1 (NDRG1) functions as a suppressor of prostate cancer metastasis. Elucidating pathways that drive survival and invasiveness of NDRG1-deficient prostate cancer cells can help in designing therapeutics to target metastatic prostate cancer cells. However, the molecular mechanism(s) that lead NDRG1-deficient prostate cancer cells to increased invasiveness remains largely unknown. In this study, we demonstrate that NDRG1-deficient prostate tumors have decreased integrin expression and reduced cell adhesion and motility...
April 2, 2017: Molecular Oncology
https://www.readbyqxmd.com/read/28353578/rocuronium-induced-neuromuscular-block-and-sugammadex-in-pediatric-patient-with-duchenne-muscular-dystrophy-a-case-report
#9
Ji Eun Kim, Hea Rim Chun
INTRODUCTION: Anesthetic management of patients with Duchenne muscular dystrophy (DMD) is complicated because these patients are more sensitive to nondepolarizing neuromuscular blocking agents (NMBAs) and are vulnerable to postoperative complications, such as postoperative residual curarization and respiratory failure. Sugammadex is a new reversal agent for aminosteroidal NMBAs, but its safety in children is controversial. CLINICAL FEATURES: An 11-year-old boy with DMD underwent general anesthesia for a percutaneous nephrolithotomy...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28346838/hiv-1-transmission-networks-across-south-korea
#10
Mi Young Ahn, Joel O Wertheim, Woo Joo Kim, Shin-Woo Kim, Jin Soo Lee, Hea Won Ann, Yongduk Jeon, Jin Young Ahn, Je Eun Song, Dong Hyun Oh, Yong Chan Kim, Eun Jin Kim, In Young Jung, Moo Hyun Kim, Wooyoung Jeong, Su Jin Jeong, Nam Su Ku, June Myung Kim, Davey M Smith, Jun Yong Choi
Molecular epidemiology can help clarify the properties and dynamics of HIV-1 transmission networks in both global and regional scales. We studied 143 HIV-1-infected individuals recruited from four medical centers of three cities in South Korea between April 2013 and May 2014. HIV-1 env V3 sequence data were generated (337-793 bp) and analyzed using a pairwise distance-based clustering approach to infer putative transmission networks. Participants whose viruses were ≤2.0% divergent according to Tamura-Nei 93 genetic distance were defined as clustering...
March 27, 2017: AIDS Research and Human Retroviruses
https://www.readbyqxmd.com/read/28335269/galactosylated-liposomes-for-targeted-co-delivery-of-doxorubicin-vimentin-sirna-to-hepatocellular-carcinoma
#11
Hea Ry Oh, Hyun-Young Jo, James S Park, Dong-Eun Kim, Je-Yoel Cho, Pyung-Hwan Kim, Keun-Sik Kim
The combination of therapeutic nucleic acids and chemotherapeutic drugs has shown great promise for cancer therapy. In this study, asialoglycoprotein receptors (ASGPR) targeting-ligand-based liposomes were tested to determine whether they can co-deliver vimentin siRNA and doxorubicin to hepatocellular carcinoma (HCC) selectively. To achieve this goal, we developed an ASGPR receptor targeted co-delivery system called gal-doxorubicin/vimentin siRNA liposome (Gal-DOX/siRNA-L). The Gal-DOX/siRNA-L was created via electrostatic interaction of galactose linked-cationic liposomal doxorubicin (Gal-DOX-L) on vimentin siRNA...
July 30, 2016: Nanomaterials
https://www.readbyqxmd.com/read/28333098/anti-obesity-and-anti-diabetic-effect-of-neoagarooligosaccharides-on-high-fat-diet-induced-obesity-in-mice
#12
Sun Joo Hong, Je-Hyeon Lee, Eun Joo Kim, Hea Jung Yang, Jae-Seon Park, Soon-Kwang Hong
Neoagarooligosaccharides (NAOs), mainly comprising neoagarotetraose and neoagarohexaose, were prepared by hydrolyzing agar with β-agarase DagA from Streptomyces coelicolor, and the anti-obesity and anti-diabetic effects of NAOs on high-fat diet (HFD)-induced obesity in mice were investigated after NAOs-supplementation for 64 days. Compared to the HFD group, the HFD-0.5 group that was fed with HFD + NAOs (0.5%, w/w) showed remarkable reduction of 36% for body weight gain and 37% for food efficiency ratios without abnormal clinical signs...
March 23, 2017: Marine Drugs
https://www.readbyqxmd.com/read/28332778/stress-and-adult-smartphone-addiction-mediation-by-self-control-neuroticism-and-extraversion
#13
Hea-Young Cho, Dai Jin Kim, Jae Woo Park
This study employed descriptive statistics and correlation analysis to examine the influence of stress on smartphone addiction as well as the mediating effects of self-control, neuroticism, and extraversion using 400 men and women in their 20s to 40s followed by structural equation analysis. Our findings indicate that stress had a significant influence on smartphone addiction, and self-control mediates the influence of stress on smartphone addiction. As stress increases, self-control decreases, which subsequently leads to increased smartphone addiction...
March 23, 2017: Stress and Health: Journal of the International Society for the Investigation of Stress
https://www.readbyqxmd.com/read/28323759/hypercapnia-caused-by-a-therapeutic-dosage-of-pregabalin-in-a-tetraplegic-patient-with-cervical-spinal-cord-injury
#14
Kyung Hee Do, Eun Jung Choi, Min Cheol Chang, Hea-Eun Yang
Pregabalin is often used for the treatment of neuropathic pain in patients with spinal cord injury (SCI). We reported a patient with C5 [S(C5/C6)] ASIA Impairment Scale C SCI due to cervical myelopathy who presented CO2 retention when taking a therapeutic dosage of pregabalin. An 88-year-old patient with cervical SCI was transferred to the department of physical medicine and rehabilitation. When he had transferred, his neuropathic pain had been treated with 150-mg pregabalin per day (75 mg twice a day); however, he still exhibited severe neuropathic pain with a Numeric Pain Rating Scale score of 7 to 8...
March 20, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28316019/population-pharmacokinetic-analysis-of-rebamipide-in-healthy-korean-subjects-with-the-characterization-of-atypical-complex-absorption-kinetics
#15
Lien Ngo, Hee-Doo Yoo, Phuong Tran, Hea-Young Cho, Yong-Bok Lee
In this study, the population pharmacokinetic (PK) analysis of rebamipide (Reba) in healthy male Korean subjects was analyzed using the nonlinear mixed effects modeling method. The possible effects of physiological covariates and the multidrug resistance (MDR1) gene 3435C>T polymorphism on PK parameters were also investigated. Data were collected from a bioequivalence study, in which 26 subjects who participated in the study were administered a single oral dose of 100 mg Reba; only data from the reference formulation were used...
March 18, 2017: Journal of Pharmacokinetics and Pharmacodynamics
https://www.readbyqxmd.com/read/28296758/the-incidence-and-clinical-characteristics-by-gender-differences-in-patients-with-kikuchi-fujimoto-disease
#16
In Young Jung, Hea Won Ann, Jung Ju Kim, Se Ju Lee, Jinnam Kim, Hye Seong, Dong Hyun Oh, Yong Chan Kim, Eun Jin Kim, Su Jin Jeong, Nam Su Ku, Jun Yong Choi, Young Goo Song, June Myung Kim
Kikuchi-Fujimoto disease (KFD) is a rare, self-limiting disorder that typically affects the cervical lymph nodes (LNs). Although initially described in young women, KFD also occurs in men. There are no reports on the clinical manifestations and characteristics of male KFD patients. Therefore, this study was conducted to assess the incidence of KFD among males, as well as the most frequent clinical characteristics of these patients. A retrospective, cross-sectional study was performed at a tertiary hospital of patients pathologically confirmed as having KFD from LN biopsy specimens...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28275826/lower-jump-power-rather-than-muscle-mass-itself-is-associated-with-vertebral-fracture-in-community-dwelling-elderly-korean-women
#17
Eun Young Lee, Su Jin Lee, Kyoung Min Kim, Da Hea Seo, Seung Won Lee, Han Sol Choi, Hyeon Chang Kim, Yoosik Youm, Chang Oh Kim, Yumie Rhee
Sarcopenia is considered to be a risk factor for osteoporotic fracture, which is a major health problem in elderly women. In this study, we aimed to investigate the association of sarcopenia, with regard to muscle mass and function, with prevalent vertebral fracture in community-dwelling elderly women. We recruited 1281 women aged 64 to 87 years from the Korean Urban Rural Elderly cohort study. Muscle mass and function were measured using bioimpedance analysis and jumping mechanography. Skeletal muscle index (SMI) and jump power were used as an indicator of muscle mass and function, respectively...
March 9, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28272250/oxycodone-versus-fentanyl-for-intravenous-patient-controlled-analgesia-after-laparoscopic-supracervical-hysterectomy-a-prospective-randomized-double-blind-study
#18
RANDOMIZED CONTROLLED TRIAL
Nan Seol Kim, Jeong Seok Lee, Su Yeon Park, Aeli Ryu, Hea Rim Chun, Ho Soon Chung, Kyou Sik Kang, Jin Hun Chung, Kyung Taek Jung, Seong Taek Mun
BACKGROUND: Oxycodone, a semisynthetic thebaine derivative opioid, is widely used for the relief of moderate to severe pain. The aim of this study was to compare the efficacy and side effects of oxycodone and fentanyl in the management of postoperative pain by intravenous patient-controlled analgesia (IV-PCA) in patients who underwent laparoscopic supracervical hysterectomy (LSH). METHODS: The 127 patients were randomized to postoperative pain treatment with either oxycodone (n = 64, group O) or fentanyl group (n = 63, group F)...
March 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28263819/cortisol-plays-a-role-in-the-high-environmental-ammonia-associated-suppression-of-the-immune-response-in-zebrafish
#19
A F Gonçalves, J V Neves, J Coimbra, P Rodrigues, M M Vijayan, J M Wilson
Exposure to high environmental ammonia (HEA) levels increases the vulnerability of fishes to parasitic, viral and bacterial diseases. We tested the hypothesis that elevated plasma cortisol levels play a role in the HEA-mediated immunosuppression in fishes. To this end, we tested the effect of exogenous cortisol treatment on the lipopolysaccharide (LPS)-induced immune response in zebrafish (Danio rerio). Also, to test whether glucocorticoid receptor (GR) signaling is involved in HEA-mediated immunosuppression, zebrafish were treated with mifepristone, a GR antagonist, and the LPS-induced immune response assessed after HEA exposure...
March 2, 2017: General and Comparative Endocrinology
https://www.readbyqxmd.com/read/28260151/the-effects-of-acute-copper-and-ammonia-challenges-on-ammonia-and-urea-excretion-by-the-blue-crab-callinectes-sapidus
#20
Alex M Zimmer, Marianna Basso Jorge, Chris M Wood, Camila M G Martins, Adalto Bianchini
Copper (Cu) is a persistent environmental contaminant that elicits several physiological disturbances in aquatic organisms, including a disruption in ammonia regulation. We hypothesized that exposure to Cu in a model crustacean (blue crab, Callinectes sapidus) acclimated to brackish water (2 ppt) would lead to hyperammonemia by stimulating an increase in ammonia production and/or by inhibiting ammonia excretion. We further hypothesized that urea production would represent an ammonia detoxification strategy in response to Cu...
April 2017: Archives of Environmental Contamination and Toxicology
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