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Beta 2 microglobulin

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https://www.readbyqxmd.com/read/27919998/high-risk-of-tumor-lysis-syndrome-in-symptomatic-patients-with-multiple-myeloma-with-renal-dysfunction-treated-with-bortezomib
#1
Kana Oiwa, Mihoko Morita, Shinji Kishi, Miyuki Okura, Toshiki Tasaki, Yasufumi Matsuda, Katsunori Tai, Naoko Hosono, Takanori Ueda, Takahiro Yamauchi
BACKGROUND/AIM: Tumor lysis syndrome (TLS) is a life-threatening complication associated with cancer chemotherapy. We retrospectively evaluated the risk of developing TLS in patients with symptomatic multiple myeloma undergoing chemotherapy. PATIENTS AND METHODS: Sixty-four patients (median age=71 years, range=48-87 years, 35 males/29 females) who were treated at our Institution between April 2006 and December 2015 were evaluated. RESULTS: A total of 124 chemotherapy courses were administered, of which 63 courses were bortezomib-based regimens and 34 courses were immunomodulatory drug (IMiD)-based regimens...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27893836/prognostic-value-of-serum-free-light-chains-measurements-in-multiple-myeloma-patients
#2
José Luis García de Veas Silva, Carmen Bermudo Guitarte, Paloma Menéndez Valladares, Johanna Carolina Rojas Noboa, Krysta Kestler, Rafael Duro Millán
BACKGROUND: The outcome for patients with Multiple Myeloma (MM) is highly variable, therefore, the existence of robust and easy to determine prognostic markers is extremely important for an efficient management of these patients. Presently, there is a debate about the role of the serum free light chains (sFLC) in the prognosis of MM patients both at diagnosis and after treatment. The aim of this study is to evaluate in a cohort of newly diagnosed MM patients from the Southern area of Spain, the prognostic value of sFLC both at baseline and after treatment...
2016: PloS One
https://www.readbyqxmd.com/read/27881050/pharmaceutical-rejuvenation-of-age-associated-decline-in-spatial-memory
#3
Andrew R Mendelsohn, James Larrick
Spatial memory and cognition decline during aging. Montelukast, an FDA approved drug for the treatment of asthma can restore spatial memory in old rats to levels similar to those of young animals. Treatment improves three hallmarks of aging in the brain: reducing microglial- mediated neuroinflammation, brain blood barrier permeability and increasing neurogenesis in the hippocampus although not completely to youthful levels.  Other aging-associated parameters, such as reduced synaptic density, are not affected, suggesting that anti-aging therapeutics may be further optimized...
November 23, 2016: Rejuvenation Research
https://www.readbyqxmd.com/read/27863727/salivary-%C3%AE-2-microglobulin-positively-correlates-with-esspri-in-patients-with-primary-sj%C3%A3-gren-s-syndrome
#4
Felipe Garza-García, Guillermo Delgado-García, Mario Garza-Elizondo, Janett Riega-Torres, Luis Ángel Ceceñas-Falcón, Dionicio Galarza-Delgado
OBJECTIVES: To determine whether salivary beta-2 microglobulin (sB2M) is correlated with the ESSPRI, a patient-centred measure of symptoms, in patients with primary Sjögren's syndrome (pSS). METHODS: All patients completed the ESSPRI. sB2M was measured by ELISA in whole saliva. The association was explored using the Kendall's tau. A ROC curve was generated to determine the cutoff value in the sB2M with the highest level of accuracy in identifying patients with unsatisfactory symptom state (ESSPRI ≥ 5)...
November 1, 2016: Revista Brasileira de Reumatologia
https://www.readbyqxmd.com/read/27855706/human-class-i-major-histocompatibility-complex-alleles-determine-central-nervous-system-injury-versus-repair
#5
Bharath Wootla, Aleksandar Denic, Jens O Watzlawik, Arthur E Warrington, Laurie J Zoecklein, Louisa M Papke-Norton, Chella David, Moses Rodriguez
BACKGROUND: We investigated the role of human HLA class I molecules in persistent central nervous system (CNS) injury versus repair following virus infection of the CNS. METHODS: Human class I A11(+) and B27(+) transgenic human beta-2 microglobulin positive (Hβ2m(+)) mice of the H-2 (b) background were generated on a combined class I-deficient (mouse beta-2 microglobulin deficient, β2m(0)) and class II-deficient (mouse Aβ(0)) phenotype. Intracranial infection with Theiler's murine encephalomyelitis virus (TMEV) in susceptible SJL mice results in acute encephalitis with prominent injury in the hippocampus, striatum, and cortex...
November 17, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27815355/multiplex-genome-editing-to-generate-universal-car-t-cells-resistant-to-pd1-inhibition
#6
Jiangtao Ren, Xiaojun Liu, Chongyun Fang, Shuguang Jiang, Carl H June, Yangbing Zhao
PURPOSE: Using gene-disrupted allogeneic T cells as universal effector cells provides an alternative to and potentially improves current chimeric antigen receptor (CAR) T cell therapy against cancers and infectious diseases. EXPERIMENTAL DESIGN: The CRISPR/Cas9 system has recently emerged as a simple and efficient way for multiplex genome engineering. By combining the lentiviral delivery of CAR and CRISPR RNA electroporation to co-introduce RNA encoding the Cas9 and gRNAs targeting endogenous TCR, beta-2 microglobulin (B2M) and PD1 simultaneously, to generate gene-disrupted allogeneic CAR T cells deficient of TCR, HLA class I molecule and PD1...
November 4, 2016: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/27801524/detection-of-pct-and-urinary-%C3%AE-2-mg-enhances-the-accuracy-for-localization-diagnosing-pediatric-urinary-tract-infection
#7
Jian Fang, Jiangwei Luan, Gaohong Zhu, Chang Qi, Dandan Wang
OBJECTIVE: The purpose of this article was to investigate whether the combination of urinary beta 2 microglobulin (urinary β2 -MG) and procalcitonin (PCT) diagnosis could enhance the localization diagnostic precision of pediatric urinary tract infection comparing with single diagnosis. METHODS: A study was conducted in the Nephrology Department of Wuhan women and children's health care centre. This study incorporated 85 participants, including 35 children who were diagnosed as upper urinary tract infection (UUTI) with the symptom of fever and 50 children who conducted lower urinary tract infection (LUTI)...
November 1, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27791259/are-all-dialyzers-compatible-with-the-convective-volumes-suggested-for-postdilution-online-hemodiafiltration
#8
Jacky Potier, Guillaume Queffeulou, Julien Bouet
INTRODUCTION: The recent analysis of 4 randomized controlled trials has confirmed the lower mortality risk for postdilution online hemodiafiltration (OL-HDF) compared to hemodialysis, and above all for patients with the highest delivered body surface area standardized convective volume (CV/BSA >23 L/1.73 m²/session). Since the impact of the dialyzers used in these trials has never been studied, we retrospectively analyzed clinical tests carried out with 19 commonly used dialyzers...
November 11, 2016: International Journal of Artificial Organs
https://www.readbyqxmd.com/read/27780262/the-specific-%C3%AE-1-adrenergic-receptor-antagonist-prazosin-influences-the-urine-proteome
#9
Mindi Zhao, Jianqiang Wu, Youhe Gao
Urine, reflecting many changes in the body, is a better source than blood for biomarker discovery. However, even under physiological conditions, the urine proteome often varies. Understanding how various regulating factors affect urine proteome helps link changes to urine proteome with urinary biomarkers of physiological conditions as well as corresponding diseases. To evaluate the possible impact of α1-adrenergic receptor on urine proteome, this study investigated effects of the specific inhibitor prazosin on the urine proteome in a rat model by using tandem mass tagging and two-dimensional liquid chromatography-tandem mass spectrometry...
2016: PloS One
https://www.readbyqxmd.com/read/27764777/prognostic-significance-of-serum-beta-2-microglobulin-in-patients-with-diffuse-large-b-cell-lymphoma-in-the-rituximab-era
#10
Seyoung Seo, Jung Yong Hong, Shinkyo Yoon, Changhoon Yoo, Ji Hyun Park, Jung Bok Lee, Chan-Sik Park, Jooryung Huh, Yoonse Lee, Kyung Won Kim, Jin-Sook Ryu, Seok Jin Kim, Won Seog Kim, Dok Hyun Yoon, Cheolwon Suh
The prognostic value of serum beta-2 microglobulin for diffuse large B-cell lymphoma (DLBCL) is not well known in the rituximab era. A retrospective registry data analysis of 833 patients with de novo DLBCL treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) was conducted to establish the prognostic significance of serum beta-2 microglobulin at a ≥2.5 mg/L cutoff. Five-year progression-free survival (PFS, 76.1% vs. 41.0%; p < 0.001) and overall survival (OS, 83.8% vs...
October 18, 2016: Oncotarget
https://www.readbyqxmd.com/read/27750215/prognostic-value-of-pretreatment-serum-beta-2-microglobulin-level-in-advanced-classical-hodgkin-lymphoma-treated-in-the-modern-era
#11
Qin Wang, Yan Qin, Shengyu Zhou, Xiaohui He, Jianliang Yang, Suyi Kang, Peng Liu, Sheng Yang, Changgong Zhang, Lin Gui, Yan Sun, Yuankai Shi
The prognostic value of pretreatment serum beta-2 microglobulin (B2MG) level in advanced Hodgkin lymphoma (HL) patients treated in the modern era has not been well established. We conducted a retrospective study involving 202 advanced classical HL (cHL) patients treated from 1998.5 to 2015.7 to evaluate the impact of serum B2MG level on prognosis. Multivariate analysis showed that serum B2MG level ≥ 2.5 mg/L was an independent predictor for freedom from progression (FFP) (P = 0.001), lymphoma-specific survival (P = 0...
October 14, 2016: Oncotarget
https://www.readbyqxmd.com/read/27743995/withdrawn-selection-of-reference-genes-in-five-types-of-human-tissues-for-normalization-of-gene-expression-studies-in-infectious-diseases
#12
Cristina Silva Meira-Strejevitch, Vera Lucia Pereira-Chioccola, Marta Marques Maia, Daise Damaris Carnietto de Hipólito, Hui-Tzu Lin Wang, Gabriela Motoie, Aparecida Helena de Souza Gomes, Cristina Takami Kanamura, Roosecelis Brasil Martines, Cinara Cássia Brandão de Mattos, Fábio Batista Frederico, Luiz Carlos de Mattos, Cinara Cássia Brandão de Mattos, Fábio Batista Frederico, Rubens Camargo Siqueira, Mariana Previato, Amanda Pires Barbosa, Fernando Henrique Antunes Murata
This article has been withdrawn at the request of the author(s) and/or editor. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at http://www.elsevier.com/locate/withdrawalpolicy.
October 12, 2016: Gene
https://www.readbyqxmd.com/read/27720816/cytomegalovirus-serostatus-inflammation-and-antibody-response-to-influenza-vaccination-in-older-adults-the-moderating-effect-of-beta-blockade
#13
Rebecca G Reed, Richard N Greenberg, Suzanne C Segerstrom
Cytomegalovirus (CMV) has been implicated as a factor in immunosenescence, including poor antibody response to vaccination and higher immune activation and inflammation. Some people may be more or less vulnerable to the negative effects of CMV. The present investigation tested the effects of beta-blocker use and chronological age on the associations between CMV and immunity in adults aged 60-91 (N=98; 69% CMV seropositive) who were administered the trivalent influenza vaccine for up to 5years. Peak antibody response, corrected for baseline, and spring (persistent) antibody response, corrected for peak, were assessed, as well as beta-2 microglobulin (β2μ) and interleukin-6 (IL-6)...
October 5, 2016: Brain, Behavior, and Immunity
https://www.readbyqxmd.com/read/27705027/lessons-to-be-learned-from-serum-biomarkers-in-psoriasis-and-ibd-the-potential-role-in-spa
#14
Maureen C Turina, Robert Landewé, Dominique Baeten
Early diagnosis, monitoring of disease activity, prediction of treatment response, and structural outcome remain major challenges in spondyloarthritis (SpA). Biomarkers could play a role in addressing these challenges, but in SpA there is a lack of suitable biomarkers. Areas covered: As SpA is clinically and pathophysiologically closely related to psoriasis and inflammatory bowel disease (IBD), we reviewed in literature, the value of serum biomarkers in these conditions with the aim to find potential candidates for assessing SpA...
October 5, 2016: Expert Review of Clinical Immunology
https://www.readbyqxmd.com/read/27703646/adenosine-deaminase-activity-in-chronic-lymphocytic-leukemia-and-healthy-subjects
#15
Bayazid Ghaderi, Sabrieh Amini, Farzad Maroofi, Chiya Jalali, Mitra Javanmardi, Daem Roshani, Mohammad Abdi
BACKGROUND: B cell chronic lymphocytic leukemia is one of the most frequent hematologic malignancies in the world. Cellular surface CD markers and serum Beta-2-microglobulin may be used as a prognostic tool in CLL patients. OBJECTIVES: In the present study we introduce serum adenosine deaminase as a diagnostic marker in CLL. MATERIALS AND METHODS: Blood samples were collected from B-CLL and healthy subjects. White blood cell, red blood cell and platelet count and blood Erythrocyte sedimentation rate was recorded and serum Beta-2-microglobulin, Lactate dehydrogenase and total ADA enzyme activity were determined...
June 2016: Iranian Journal of Cancer Prevention
https://www.readbyqxmd.com/read/27699182/study-of-soluble-hla-g-in-congenital-human-cytomegalovirus-infection
#16
Roberta Rizzo, Liliana Gabrielli, Daria Bortolotti, Valentina Gentili, Giulia Piccirilli, Angela Chiereghin, Claudia Pavia, Silvia Bolzani, Brunella Guerra, Giuliana Simonazzi, Francesca Cervi, Maria Grazia Capretti, Enrico Fainardi, Dario Di Luca, Maria Paola Landini, Tiziana Lazzarotto
Human leukocyte antigen-G (HLA-G) is a nonclassical HLA class I antigen that is expressed during pregnancy contributing to maternal-fetal tolerance. HLA-G can be expressed as membrane-bound and soluble forms. HLA-G expression increases strongly during viral infections such as congenital human cytomegalovirus (HCMV) infections, with functional consequences in immunoregulation. In this work we investigated the expression of soluble (s)HLA-G and beta-2 microglobulin (component of HLA) molecules in correlation with the risk of transmission and severity of congenital HCMV infection...
2016: Journal of Immunology Research
https://www.readbyqxmd.com/read/27678095/investigating-the-role-of-fetal-gene-expression-in-preterm-birth
#17
Neeta L Vora, Lisa Smeester, Kim Boggess, Rebecca C Fry
Second-trimester amniotic fluid supernatant (AFS) contains cell-free fetal RNA (cffRNA) transcripts that can provide information about fetal gene expression. In a retrospective case-control study, we measured second-trimester fetal gene expression using cffRNA extracted from AFS in women who had spontaneous preterm birth (sPTB) <34 weeks and in women who delivered >37 weeks. We extracted cffRNA from AFS of women with singletons who had second-trimester genetic amniocenteses. Twenty-one gravidas who had sPTB and 21 term controls were matched 1:1 for maternal age, fetal sex, race, gestational age (GA) at the time of amniocentesis, and medication exposure...
September 27, 2016: Reproductive Sciences
https://www.readbyqxmd.com/read/27647182/can-the-new-ckd-epi-btp-b2m-formula-be-applied-in-children
#18
EDITORIAL
Guido Filler, Ana Catalina Alvarez-Elías, Katherine D Westreich, Shih-Han S Huang, Robert M Lindsay
Although measuring creatinine to determine kidney function is currently the clinical standard, new markers such as beta-trace protein (BTP) and beta-2-microglobulin (B2M) are being investigated in an effort to measure glomerular filtration rate more accurately. In their recent publication, Inker et al. (Am J Kidney Dis 2015; 67:40-48) explored the use of these two relatively new markers in combination with some commonly available clinical characteristics in a large cohort of adults with chronic kidney disease...
December 2016: Pediatric Nephrology: Journal of the International Pediatric Nephrology Association
https://www.readbyqxmd.com/read/27645611/associations-among-serum-beta-2-microglobulin-malnutrition-inflammation-and-advanced-cardiovascular-event-in-patients-with-chronic-kidney-disease
#19
Hung-Chieh Wu, Lin-Chien Lee, Wei-Jie Wang
OBJECTIVES: This study examines the associations among serum β2 microglobulin (B2M), malnutrition, inflammation, and atherosclerosis (MIA) in those with chronic kidney disease (CKD). METHODS: CKD patients who were followed in Taoyuan General Hospital from 2009 to 2015 were enrolled. Demographic and biochemical data, including B2M and C-reactive protein (CRP) were reviewed. The participants were stratified according to B2M tertiles. Adjusted hazard ratios (AHRs) and cumulative survival curves for death and MIA syndrome were evaluated by Cox hazard model and Kaplan-Meier method...
September 20, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27606708/protective-and-pathogenic-roles-of-cd8-t-lymphocytes-in-murine-orientia-tsutsugamushi-infection
#20
Matthias Hauptmann, Julia Kolbaum, Stefanie Lilla, David Wozniak, Mohammad Gharaibeh, Bernhard Fleischer, Christian A Keller
T cells are known to contribute to immune protection against scrub typhus, a potentially fatal infection caused by the obligate intracellular bacterium Orientia (O.) tsutsugamushi. However, the contribution of CD8+ T cells to protection and pathogenesis during O. tsutsugamushi infection is still unknown. Using our recently developed BALB/c mouse model that is based on footpad inoculation of the human-pathogenic Karp strain, we show that activated CD8+ T cells infiltrate spleen and lung during the third week of infection...
September 2016: PLoS Neglected Tropical Diseases
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