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Aging and immunity

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https://www.readbyqxmd.com/read/29353127/physical-comorbidities-increase-the-risk-of-psychiatric-comorbidity-in-immune-mediated-inflammatory-disease
#1
Ruth Ann Marrie, Randy Walld, James M Bolton, Jitender Sareen, John R Walker, Scott B Patten, Alexander Singer, Lisa M Lix, Carol A Hitchon, Renée El-Gabalawy, Alan Katz, John D Fisk, Charles N Bernstein
OBJECTIVE: We tested the association between physical comorbidity and incident depression, anxiety disorder and bipolar disorder in three immune-mediated inflammatory diseases (IMID): inflammatory bowel disease (IBD), multiple sclerosis (MS) and rheumatoid arthritis (RA) versus age-, sex- and geographically-matched controls. METHODS: Using population-based administrative data we identified 6119 persons with IBD, 3514 persons with MS, 10,206 persons with RA and 97,727 matched controls...
January 11, 2018: General Hospital Psychiatry
https://www.readbyqxmd.com/read/29353109/shortened-duration-tacrolimus-after-nonmyeloablative-hla-haploidentical-bmt
#2
Yvette L Kasamon, Ephraim J Fuchs, Marianna Zahurak, Gary L Rosner, Heather J Symons, Douglas E Gladstone, Carol Ann Huff, Lode J Swinnen, Robert A Brodsky, William H Matsui, Ivan Borrello, Satish Shanbhag, Kenneth R Cooke, Richard F Ambinder, Leo Luznik, Javier Bolaños-Meade, Richard J Jones
With posttransplantation cyclophosphamide (PTCy) as graft-versus-host disease (GVHD) prophylaxis, nonmyeloablative HLA-haploidentical (NMA haplo) and HLA-matched blood or marrow transplantation (BMT) have comparable outcomes. Early discontinuation of immunosuppression may reduce relapse, as well as improve immune reconstitution, but may increase GVHD. We conducted a prospective trial of NMA haplo BMT for patients with hematologic malignancies (median age, 61), evaluating the safety of early discontinuation of tacrolimus...
January 15, 2018: Biology of Blood and Marrow Transplantation
https://www.readbyqxmd.com/read/29353010/modulation-of-immune-responses-by-plasmodium-falciparum-infection-in-asymptomatic-children-living-in-the-endemic-region-of-mbita-western-kenya
#3
Caroline Kijogi, Daisuke Kimura, Lam Quoc Bao, Risa Nakamura, Evans Asena Chadeka, Ngetich Benard Cheruiyot, Felix Bahati, Kazuhide Yahata, Osamu Kaneko, Sammy M Njenga, Yoshio Ichinose, Shinjiro Hamano, Katsuyuki Yui
Individuals living in malaria endemic areas become clinically immune after multiple re-infections over time and remain infected without apparent symptoms. However, it is unclear why a long period is required to gain clinical immunity to malaria, and how such immunity is maintained. Although malaria infection is reported to induce inhibition of immune responses, studies on asymptomatic individuals living in endemic regions of malaria are relatively scarce. We conducted a cross-sectional study of immune responses in asymptomatic school children aged 4-16years living in an area where Plasmodium falciparum and Schistosoma mansoni infections are co-endemic in Kenya...
January 15, 2018: Parasitology International
https://www.readbyqxmd.com/read/29352493/effect-of-dietary-manipulation-and-vaccination-of-turkey-breeder-hens-on-immunoglobulin-levels-of-yolk-yolk-sac-and-neonate-poults
#4
A Bhattacharyya, S Majumdar, S K Bhanja, A B Mandal, B B Dash
Two hundred turkey breeder hens and 24 viable toms of 30-35 weeks age of small white variety were distributed into two treatment groups having four replicates of 25 hens and three toms in each treatment. First four replicates were offered a turkey breeder diet (Diet A) (Nutrient requirements of poultry, 1994, National Academic Press, Washington, DC) and the rest four replicates were maintained on a higher plane of nutrition (Diet B) for 8-week duration. After 6 weeks of experimental feeding, two replicates from each treatment groups were vaccinated with ND (R2 B) vaccine...
January 19, 2018: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/29352240/transcriptome-analysis-in-spleen-reveals-differential-regulation-of-response-to-newcastle-disease-virus-in-two-chicken-lines
#5
Jibin Zhang, Michael G Kaiser, Melissa S Deist, Rodrigo A Gallardo, David A Bunn, Terra R Kelly, Jack C M Dekkers, Huaijun Zhou, Susan J Lamont
Enhancing genetic resistance of chickens to Newcastle Disease Virus (NDV) provides a promising way to improve poultry health, and to alleviate poverty and food insecurity in developing countries. In this study, two inbred chicken lines with different responses to NDV, Fayoumi and Leghorn, were challenged with LaSota NDV strain at 21 days of age. Through transcriptome analysis, gene expression in spleen at 2 and 6 days post-inoculation was compared between NDV-infected and control groups, as well as between chicken lines...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29351985/tocilizumab-tacrolimus-and-methotrexate-for-the-prevention-of-acute-graft-versus-host-disease-low-incidence-of-lower-gastrointestinal-tract-disease
#6
William R Drobyski, Aniko Szabo, Fenlu Zhu, Carolyn Keever-Taylor, Kyle M Hebert, Renee Dunn, Sharon Yim, Bryon Johnson, Anita D'Souza, Mary Eapen, Timothy S Fenske, Parameswaran Hari, Mehdi Hamadani, Mary M Horowitz, J Douglas Rizzo, Wael Saber, Nirav Shah, Bronwen Shaw, Marcelo Pasquini
We conducted a phase 2 study in which patients undergoing allogeneic hematopoietic stem cell transplantation received Tocilizumab in addition to standard immune suppression with tacrolimus and methotrexate for graft versus host disease prophylaxis. Thirty-five patients were enrolled between January 2015 and June 2016. The median age of the cohort was 66 (range 22-76). All patients received busulfan-based conditioning, and were transplanted with HLA-matched related or matched unrelated bone marrow or peripheral stem cell grafts...
January 19, 2018: Haematologica
https://www.readbyqxmd.com/read/29351896/internet-exposure-associated-with-canadian-parents-perception-of-risk-on-childhood-immunization-cross-sectional-study
#7
Jordan Lee Tustin, Natasha Sarah Crowcroft, Dionne Gesink, Ian Johnson, Jennifer Keelan
BACKGROUND: There is a large presence of provaccination and antivaccination content on the Internet. The Internet has been identified as an important source for parents to seek and share vaccine information. There are concerns that parental fears or hesitancy on childhood immunizations are increasing due to the popularity of social media and exposure to online antivaccination sentiment. No other studies have investigated the association between seeking vaccine information online and Canadian parents' perception of risk on childhood immunization...
January 19, 2018: JMIR Public Health and Surveillance
https://www.readbyqxmd.com/read/29351649/sex-dependent-interactions-between-leptin-wasting-and-humoral-immunity-in-two-ethnic-communities-of-school-aged-children-differentially-exposed-to-schistosoma-haematobium
#8
Emmanuel Hermann, Lobna Gaayeb, Papa S Sow, Modou Seck, Andre B Sagna, Simon Senghor, Lydie Bandagny, Clement Brinkhuizen, Delphine Delcroix-Genete, Anne-Marie Schacht, Gilles Riveau
Background: Leptin is a nutritional hormone whose production is generally higher in females. We investigated how leptin is associated with sex dimorphism during urinary schistosomiasis in relation with wasting. Methods: A cross-sectional study was carried out in three villages in northern Senegal. Ninety-eight school-aged children belonging to the Fulani or Wolof villages were enrolled. We performed parasitic diagnosis and anthropometric measurement to evaluate nutritional status...
January 17, 2018: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/29351464/vitamin-d-and-regulation-of-vascular-cell-function
#9
Nasim Jamali, Christine M Sorenson, Nader Sheibani
Vitamin D deficiency is linked to pathogenesis of many diseases including cardiovascular, cancer, and various eye diseases. In recent years, important roles for vitamin D in regulation of immune function, inflammation, angiogenesis, and aging have been demonstrated. Thus, vitamin D and its analogs have been evaluated for treatment of various types of cancer and chronic diseases. We previously showed that the active form of vitamin D (1, 25(OH)2D3) is a potent inhibitor of angiogenesis. This activity is consistent with the important role proposed for vitamin D and its analogs in the mitigation of tumor growth through inhibition of angiogenesis...
December 22, 2017: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29351055/are-pre-terms-born-timely-and-right-immunized-results-of-an-italian-cohort-study
#10
Nicola Laforgia, Antonio Di Mauro, Francesco Paolo Bianchi, Federica Di Mauro, Andrea Zizzi, Manuela Capozza, Silvia Intini, Maria Serena Gallone, Silvio Tafuri
The aim of this study is to evaluate the vaccination coverage at 24 months of chronological age in a sample of preterm infants discharged by the Neonatal Intensive Care Unit (NICU) of the Bari Policlinico University General Hospital in Italy. The list of infants preterm born discharged during 2013 by the NICU was obtained by hospital database. Vaccination status of each subject at 24 months of chronological age was acquired by the Apulian Regional Vaccination Register (GIAVA). 159 preterm borns were enrolled in this study...
January 19, 2018: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/29350712/vaccination-for-human-papillomavirus-immunization-practices-in-the-u-s-military%C3%A2
#11
Jennifer J Buechel
Human papillomavirus (HPV) is the most common sexually transmitted infection and is a leading etiology for cancer. The Advisory Committee on Immunization Practices (ACIP) recommends routine vaccination of males and females aged 11-26 years. Studies suggest that U.S. military service members have higher HPV incidence rates and lower vaccination rates compared to the national average. Although the U.S. military enforces many recommended vaccines, the HPV vaccine fails to make the list. 
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February 1, 2018: Clinical Journal of Oncology Nursing
https://www.readbyqxmd.com/read/29349889/t-cell-immunoglobulin-and-itim-domain-contributes-to-cd8-t-cell-immunosenescence
#12
Yangzi Song, Beibei Wang, Rui Song, Yu Hao, Di Wang, Yuxin Li, Yu Jiang, Ling Xu, Yaluan Ma, Hong Zheng, Yaxian Kong, Hui Zeng
Aging is associated with immune dysfunction, especially T-cell defects, which result in increased susceptibility to various diseases. Previous studies showed that T cells from aged mice express multiple inhibitory receptors, providing evidence of the relationship between T-cell exhaustion and T-cell senescence. In this study, we showed that T-cell immunoglobulin and immunoreceptor tyrosine-based inhibitory motif (ITIM) domain (TIGIT), a novel co-inhibitory receptor, was upregulated in CD8+ T cells of elderly adults...
January 19, 2018: Aging Cell
https://www.readbyqxmd.com/read/29349270/breaking-down-the-monolith-understanding-flu-vaccine-uptake-among-african-americans
#13
Sandra Crouse Quinn, Amelia Jamison, Ji An, Vicki S Freimuth, Gregory R Hancock, Donald Musa
Black adults are significantly less likely to be immunized for seasonal influenza when compared to Whites. This persistent disparity contributes to increased influenza-related morbidity and mortality in the African American population. Most scholarship on vaccine disparities has compared Whites and Blacks. Employing Public Health Critical Race Praxis, this study seeks to shift the focus to explore differences within the Black population. Utilizing a nationally-representative 2015 survey of US Black adults (n = 806), we explore differences by gender, age, income, and education across vaccine-related measures (e...
April 2018: SSM—Population Health
https://www.readbyqxmd.com/read/29347991/the-benefits-and-tolerance-of-exercise-in-myasthenia-gravis-mgex-study-protocol-for-a-randomised-controlled-trial
#14
Simone Birnbaum, Jean-Yves Hogrel, Raphael Porcher, Pierre Portero, Bernard Clair, Bruno Eymard, Sophie Demeret, Guillaume Bassez, Marcela Gargiulo, Estelle Louët, Sonia Berrih-Aknin, Asmaa Jobic, Philippe Aegerter, Philippe Thoumie, Tarek Sharshar
BACKGROUND: Research exploring the effects of physical exercise in auto-immune myasthenia gravis (MG) is scarce. The few existing studies present methodological shortcomings limiting the conclusions and generalisability of results. It is hypothesised that exercise could have positive physical, psychological as well as immunomodulatory effects and may be a beneficial addition to current pharmacological management of this chronic disease. The aim of this study is to evaluate the benefits on perceived quality of life (QOL) and physical fitness of a home-based physical exercise program compared to usual care, for patients with stabilised, generalised auto-immune MG...
January 18, 2018: Trials
https://www.readbyqxmd.com/read/29346585/maternal-vaccination-with-a-mono-component-pertussis-toxoid-vaccine-is-sufficient-to-protect-infants-in-a-baboon-model-of-whooping-cough
#15
Parul Kapil, James F Papin, Roman F Wolf, Lindsey I Zimmerman, Leslie D Wagner, Tod J Merkel
Background: Bordetella pertussis is a human pathogen responsible for serious respiratory illness. The disease is most severe in infants too young to be vaccinated with most hospitalizations and deaths occurring within this age group. The Advisory Committee on Immunization Practices recommended immunization of pregnant women to protect infants from birth until their first vaccination at six to eight weeks of age. We previously demonstrated that maternal vaccination with licensed acellular pertussis vaccines protected newborn baboons from disease...
January 15, 2018: Journal of Infectious Diseases
https://www.readbyqxmd.com/read/29346407/relaxin-reverses-inflammatory-and-immune-signals-in-aged-hearts
#16
Brian Martin, Beth Ann Gabris-Weber, Rajiv Reddy, Guillermo Romero, Ansuman Chattopadhyay, Guy Salama
BACKGROUND: 'Healthy' aging drives structural and functional changes in the heart including maladaptive electrical remodeling, fibrosis and inflammation, which lower the threshold for cardiovascular diseases such as heart failure (HF) and atrial fibrillation (AF). Despite mixed results in recent clinical trials, Relaxin-therapy for 2-days could reduce mortality by 37% at 180-days post-treatment, in patients with acute decompensated HF. Relaxin's short life-span (hours) but long-lasting protective actions led us to test the hypothesis that relaxin acts at a genomic level to reverse maladaptive remodeling in aging and HF...
2018: PloS One
https://www.readbyqxmd.com/read/29346185/higher-art-adherence-is-associated-with-lower-systemic-inflammation-in-treatment-na%C3%A3-ve-ugandans-who-achieve-virologic-suppression
#17
Jose R Castillo-Mancilla, Mary Morrow, Yap Boum, Helen Byakwaga, Jessica E Haberer, Jeffrey N Martin, David Bangsberg, Samantha Mawhinney, Nicholas Musinguzi, Yong Huang, Russell P Tracy, Tricia H Burdo, Kenneth Williams, Conrad Muzoora, Peter W Hunt, Mark J Siedner
BACKGROUND: Residual systemic inflammation persists despite suppressive antiretroviral therapy (ART) and is associated with non-AIDS clinical outcomes. We aimed to evaluate the association between ART adherence and inflammation in Ugandans living with HIV who were predominantly receiving nevirapine-based ART with a thymidine analog backbone and were virologically suppressed by conventional assays. METHODS: Plasma concentrations of interleukin-6 (IL-6), D-dimer, soluble (s)CD14, sCD163, the kynurenine/tryptophan (K/T) ratio, in addition to CD8 T-cell activation, were measured at baseline and 6 months after ART initiation in treatment-naïve adults who achieved an undetectable plasma HIV RNA (<400 copies/mL) at their 6-month visit...
January 16, 2018: Journal of Acquired Immune Deficiency Syndromes: JAIDS
https://www.readbyqxmd.com/read/29345217/statistical-analysis-of-human-microarray-data-shows-that-dietary-intervention-with-n-3-fatty-acids-flavonoids-and-resveratrol-enriches-for-immune-response-and-disease-pathways
#18
Alix Warburton, Olga Vasieva, Peter Quinn, James P Stewart, John P Quinn
n-3 Fatty acids, flavonoids and resveratrol are well publicised for their beneficial effects on human health and wellbeing. Identifying common, underlying biological mechanisms targeted by these functional foods would therefore be informative for the public health sector for advising on nutritional health and disease, food and drug product development and consumer interest. The aim of this study was to explore the potential effects of gene expression changes associated with n-3 fatty acids EPA and DHA, flavonoids and resveratrol on modifying biological systems and disease pathways...
January 18, 2018: British Journal of Nutrition
https://www.readbyqxmd.com/read/29344421/anti-aging-implications-of-astragalus-membranaceus-huangqi-a-well-known-chinese-tonic
#19
REVIEW
Ping Liu, Haiping Zhao, Yumin Luo
Owing to a dramatic increase in average life expectancy and the Family Planning program of the 1970s - 1990s, China is rapidly becoming an aging society. Therefore, the investigation of healthspan-extending drugs becomes more urgent. Astragalus membranaceus (Huangqi) is a major medicinal herb that has been commonly used in many herbal formulations in the practice of traditional Chinese medicine (TCM) to treat a wide variety of diseases and body disorders, or marketed as life-prolonging extracts for human use in China, for more than 2000 years...
December 2017: Aging and Disease
https://www.readbyqxmd.com/read/29344412/ginseng-an-nonnegligible-natural-remedy-for-healthy-aging
#20
REVIEW
Yong Yang, Changhong Ren, Yuan Zhang, XiaoDan Wu
Aging is an irreversible physiological process that affects all humans. Numerous theories have been proposed to regarding the process from a Western medicine perspective; however, ancient Chinese medicine practices and theories have increasingly gained attention, particularly ginseng, a grass that has been studied for the anti-aging properties of its active constituents. This review seeks to analyze current data on ginseng and its anti-aging properties. The plant species, characteristics, and active ingredients will be introduced...
December 2017: Aging and Disease
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