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https://www.readbyqxmd.com/read/27913753/neutrophil-derived-microparticles-are-released-into-the-coronary-circulation-following-percutaneous-coronary-intervention-in-acute-coronary-syndromes
#1
Gonzalo J Martinez, Jennifer Y Barraclough, Shirley Nakhla, Vivian Kienzle, Stacy Robertson, Ziad Mallat, David S Celermajer, Sanjay Patel
AIMS: To evaluate (i) local coronary and systemic levels of microparticles (MP) in Acute Coronary Syndrome (ACS) and Stable Angina Pectoris (SAP) patients and (ii) their release after plaque disruption with percutaneous coronary intervention (PCI). BACKGROUND: Microparticles are small vesicles originating from plasma membranes of cells after activation or apoptosis and are implicated in the pathogenesis of atherosclerosis. Neutrophils play a role in plaque destabilisation and shed neutrophil-derived microparticles have the potential to drive significant pro-inflammatory and thrombotic downstream effects...
December 2, 2016: Bioscience Reports
https://www.readbyqxmd.com/read/27913426/depletion-of-circulating-monocytes-suppresses-il-17-and-hmgb1-expression-in-mice-with-lps-induced-acute-lung-injury
#2
Zhilong Jiang, Qianlin Zhou, Chenlin Gu, Dandan Li, Lei Zhu
Acute lung injury/Acute Respiratory distress syndrome (ALI/ARDS) is an important cause of mortality in critically ill patients. Macrophages play an important role in the pathogenesis of ALI/ARDS. To investigate the role and underlying mechanisms of circulating monocytes and resident alveolar macrophages (AMs) in ALI/ARDS, we depleted circulating monocytes and AMs by clodronate-loaded liposome (CL) in lipopolysaccharide (LPS)-induced ALI/ARDS mouse model. Our results indicated that depletion of circulating monocytes by intravenous (i...
December 2, 2016: American Journal of Physiology. Lung Cellular and Molecular Physiology
https://www.readbyqxmd.com/read/27911288/the-effect-of-base-transceiver-station-waves-on-some-immunological-and-hematological-factors-in-exposed-persons
#3
Mohammad Taheri, Ghodratollah Roshanaei, Jamileh Ghaffari, Samira Rahimnejad, Behzad Nazel Khosroshahi, Mohsen Aliabadi, Mohammad Mahdi Eftekharian
BACKGROUND: Since the number of mobile subscribers has significantly increased in recent years, the installation and deployment of Base Transceiver Station (BTS) antennas sending and receiving signals has become common and inevitable in different regions. OBJECTIVE: In this study, we have tried to evaluate the effect of the waves on some immunological and hematological parameters in exposed individuals. In this study, the exposed and non-exposed individuals were used as the test and control groups, respectively...
November 25, 2016: Human Antibodies
https://www.readbyqxmd.com/read/27910760/immunomodulation-effect-of-aqueous-extract-of-the-artist-s-conk-medicinal-mushroom-ganoderma-applanatum-agaricomycetes-on-the-rainbow-trout-oncorhynchus-mykiss
#4
Azadeh Manayi, Mahdi Vazirian, Fereshteh Hassan Zade, Akram Tehranifard
It is well known that innate immunity in fish can be activated by many synthetic and natural immunos-timulants; several natural substances induced immunity in fish in previous surveys. This study discussed data regarding the effect of Ganoderma applanatum aqueous extract on the defense mechanisms of rainbow trout in feeding trials. Fish were fed 250, 500, and 1000 mg extract/kg diet 4 times daily. Growth, humoral parameters, lysozyme activity, and serum protein concentrations were assessed after a period of 45 days...
2016: International Journal of Medicinal Mushrooms
https://www.readbyqxmd.com/read/27909225/recovery-of-the-immune-system-after-exercise
#5
Jonathan M Peake, Oliver Neubauer, Neil P Walsh, Richard J Simpson
The notion that prolonged, intense exercise causes an 'open window' of immunodepression during recovery after exercise is well accepted. Repeated exercise bouts or intensified training without sufficient recovery may increase the risk of illness. However, except for salivary IgA, clear and consistent markers of this immunodepression remain elusive. Exercise increases circulating neutrophil and monocyte counts, and reduces circulating lymphocyte count during recovery. This lymphopenia results from preferential egress of lymphocyte subtypes with potent effector functions (e...
December 1, 2016: Journal of Applied Physiology
https://www.readbyqxmd.com/read/27903452/acute-stress-induced-the-hemolytic-activity-of-the-complement-system-%C3%AE-glucan-induced-cortisol-levels-improve-the-early-immune-response-in-matrinx%C3%A3-brycon-amazonicus
#6
Luz N Franco Montoya, Talísia P Martins, Rodrigo Y Gimbo, Fábio S Zanuzzo, Elisabeth C Urbinati
This study investigated the role of endogenous cortisol on the innate immune response in matrinxã (Brycon amazonicus) fed with β-glucan, prior to and after stressor exposure and bacterial challenge. For this, we evaluated the serum cortisol and plasma glucose levels, the serum lysozyme levels, the hemolytic activity of the complement system, and the respiratory activity of leukocytes, as well as the number of circulating erythrocytes and leukocytes of fish fed during 15 days with diets containing β-glucan 0...
November 26, 2016: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/27902351/protective-role-of-cx3cr1-signaling-in-resident-cells-of-the-central-nervous-system-during-experimental-herpes-simplex-virus-encephalitis
#7
Rafik Menasria, Coraline Canivet, Jocelyne Piret, Jean Gosselin, Guy Boivin
CX3CR1 is an important chemokine receptor expressed on the surface of microglia and blood leukocytes including monocytes. Signaling through this receptor influences the immune activity of microglia and monocytes trafficking into the central nervous system (CNS) in several neurological diseases. During experimental herpes simplex virus 1 (HSV-1) encephalitis (HSE), CX3CR1 deficiency has been reported to exacerbate the outcome of the disease. However, the precise contribution of CX3CR1 expressed in resident cells of the CNS or peripheral monocytes in protection against HSE remains unclear...
November 30, 2016: Journal of General Virology
https://www.readbyqxmd.com/read/27901344/effect-of-electromagnetic-waves-from-mobile-phone-on-immune-status-of-male-rats-possible-protective-role-of-vitamin-d
#8
Ola Ahmed El-Gohary, Mona Abdel-Azeem Said
There are considerable public concerns about the relationship between mobile phone radiation and human health. The present study assesses the effect of electromagnetic field (EMF) emitted from a mobile phone on the immune system in rats and the possible protective role of vitamin D. Rats were randomly divided into six groups: Group I: control group; Group II: received vitamin D (1000 IU/kg/day) orally; Group III: exposed to EMF 1 h/day; Group IV: exposed to EMF 2 h/day; Group V: exposed to EMF 1 h/day and received vitamin D (1000 IU/kg/day); Group VI: exposed to EMF 2 h/day and received vitamin D (1000 IU/kg/day)...
September 5, 2016: Canadian Journal of Physiology and Pharmacology
https://www.readbyqxmd.com/read/27900586/role-of-prolactin-in-promotion-of-immune-cell-migration-into-the-mammary-gland
#9
Riva Dill, Ameae M Walker
Immune cells in the mammary gland play a number of important roles, including protection against infection during lactation and, after passing into milk, modulation of offspring immunity. However, little is known about the mechanism of recruitment of immune cells to the lactating gland in the absence of infection. Given the importance of prolactin to other aspects of lactation, we hypothesized it would also play a role in immune cell recruitment. Prolactin treatment of adult female mice for a period equivalent to pregnancy and the first week of lactation increased immune cell flux through the mammary gland, as reflected in the number of immune cells in mammary gland-draining, but not other lymph nodes...
November 29, 2016: Journal of Mammary Gland Biology and Neoplasia
https://www.readbyqxmd.com/read/27898462/recent-advances-in-allograft-vasculopathy
#10
Jonathan Merola, Daniel D Jane-Wit, Jordan S Pober
PURPOSE OF REVIEW: Despite considerable advances in controlling acute rejection, the longevity of cardiac and renal allografts remains significantly limited by chronic rejection in the form of allograft vasculopathy. This review discusses recently reported mechanistic insights of allograft vasculopathy pathogenesis as well as recent clinical evaluations of new therapeutic approaches. RECENT FINDINGS: Although adaptive immunity is the major driver of allograft vasculopathy, natural killer cells mediate vasculopathic changes in a transplanted mouse heart following treatment with donor-specific antibody (DSA)...
November 24, 2016: Current Opinion in Organ Transplantation
https://www.readbyqxmd.com/read/27897313/the-impact-of-fist-clenching-and-its-maintenance-during-venipuncture-on-routine-hematology-testing
#11
Gabriel Lima-Oliveira, Gian Cesare Guidi, Gian Luca Salvagno, Giuseppe Lippi
BACKGROUND: Prevention of a disturbance of the blood vessel allows phlebotomists to collect a blood specimen by venipuncture that will truly mirror the patient condition. This study was aimed to evaluate the impact of repeated fist clenching and maintenance of the fist during blood collection by venipuncture for routine hematology testing. METHODS: Blood were collected from 16 healthy volunteers with two separate sequential procedures, entailing standard venipuncture with hand opened throughout blood collection, or clenching the fist six times before venipuncture and maintaining the fist until completion of blood collection...
November 29, 2016: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/27895799/routine-blood-examinations-combined-with-morphological-analysis-for-the-diagnosis-of-myelodysplastic-myeloproliferative-neoplasms
#12
Huanling Wu, Hui Sun, Zhifen Zhang, Xiangli Li, Yuantang Li, Li Li, Rui Xu, Zie Wang, Wenjun Tian
In 2008, the World Health Organization (WHO) introduced a new hematological neoplasm category; myelodysplastic/myeloproliferative neoplasms (MDS/MPN), which included four main subcategories. This disease is often misdiagnosed, which delays effective therapy. The present study evaluated the role of routine blood examinations and morphological analysis of peripheral blood cells in the reliable diagnosis of MDS/MPN. In total, 236 adult MDS/MPN patients were analyzed. The analysis included 10 routine blood parameters measured using a Sysmex XE-2100™, 3 differential percentage parameters and 7 morphological features of peripheral blood cells which were analyzed by optical microscopy, and 3 differential absolute count numbers obtained based on the corresponding differential percentages and absolute count of blood cells...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27895095/calprotectin-in-rheumatic-diseases
#13
Francesca Ometto, Lara Friso, Davide Astorri, Costantino Botsios, Bernd Raffeiner, Leonardo Punzi, Andrea Doria
Calprotectin is a heterodimer formed by two proteins, S100A8 and S100A9, which are mainly produced by activated monocytes and neutrophils in the circulation and in inflamed tissues. The implication of calprotectin in the inflammatory process has already been demonstrated, but its role in the pathogenesis, diagnosis, and monitoring of rheumatic diseases has gained great attention in recent years. Calprotectin, being stable at room temperature, is a candidate biomarker for the follow-up of disease activity in many autoimmune disorders, where it can predict response to treatment or disease relapse...
November 28, 2016: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27894962/clinico-pathology-and-hemato-biochemistry-responses-in-buffaloes-infected-with-pasteurella-multocida-type-b-2-immunogen-outer-membrane-protein
#14
Eric Lim Teik Chung, Faez Firdaus Jesse Abdullah, Ali Dhiaa Marza, Wessam Monther Mohammed Saleh, Hayder Hamzah Ibrahim, Yusuf Abba, Mohd Zamri-Saad, Abd Wahid Haron, Abdul Aziz Saharee, Mohd Azmi Mohd Lila, Mohd Jefri Norsidin
The aim of this study was to investigate the clinico-pathology and haemato-biochemistry alterations in buffaloes inoculated with Pasteurella multocida type B:2 immunogen outer membrane protein via subcutaneous and oral routes. Nine buffalo heifers were divided equally into 3 treatment groups. Group 1 was inoculated orally with 10 mL of phosphate buffer saline (PBS); Group 2 and 3 were inoculated with 10 mL of outer membrane protein broth subcutaneously and orally respectively. Group 2 buffaloes showed typical haemorrhagic septicaemia clinical signs and were only able to survive for 72 h of the experiment...
November 25, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27893465/accelerated-resolution-of-inflammation-underlies-sex-differences-in-inflammatory-responses-in-humans
#15
Krishnaraj S Rathod, Vikas Kapil, Shanti Velmurugan, Rayomand S Khambata, Umme Siddique, Saima Khan, Sven Van Eijl, Lorna C Gee, Jascharanpreet Bansal, Kavi Pitrola, Christopher Shaw, Fulvio D'Acquisto, Romain A Colas, Federica Marelli-Berg, Jesmond Dalli, Amrita Ahluwalia
BACKGROUND: Cardiovascular disease occurs at lower incidence in premenopausal females compared with age-matched males. This variation may be linked to sex differences in inflammation. We prospectively investigated whether inflammation and components of the inflammatory response are altered in females compared with males. METHODS: We performed 2 clinical studies in healthy volunteers. In 12 men and 12 women, we assessed systemic inflammatory markers and vascular function using brachial artery flow-mediated dilation (FMD)...
November 28, 2016: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/27888711/preoperative-monocyte-to-lymphocyte-ratio-in-peripheral-blood-predicts-stages-metastasis-and-histological-grades-in-patients-with-ovarian-cancer
#16
Jiangdong Xiang, Lina Zhou, Xing Li, Wei Bao, Taizhong Chen, Xiaowei Xi, Yinyan He, Xiaoping Wan
PURPOSE: The monocyte-to-lymphocyte ratio (MLR) has been shown to be associated with the prognosis of various solid tumors. This study sought to evaluate the important value of the MLR in ovarian cancer patients. METHODS: A total of 133 ovarian cancer patients and 43 normal controls were retrospectively reviewed. The patients' demographics were analyzed along with clinical and pathologic data. The counts of peripheral neutrophils, lymphocytes, monocytes, and platelets were collected and used to calculate the MLR, neutrophil-to-lymphocyte ratio (NLR)...
November 23, 2016: Translational Oncology
https://www.readbyqxmd.com/read/27884066/training-a-model-for-estimating-leukocyte-composition-using-whole-blood-dna-methylation-and-cell-counts-as-reference
#17
Jonathan A Heiss, Lutz P Breitling, Benjamin Lehne, Jaspal S Kooner, John C Chambers, Hermann Brenner
AIM: Whole-blood DNA methylation depends on the underlying leukocyte composition and confounding hereby is a major concern in epigenome-wide association studies. Cell counts are often missing or may not be feasible. Computational approaches estimate leukocyte composition from DNA methylation based on reference datasets of purified leukocytes. We explored the possibility to train such a model on whole-blood DNA methylation and cell counts without the need for purification. MATERIALS & METHODS: Using whole-blood DNA methylation and corresponding five-part cell counts from 2445 participants from the London Life Sciences Prospective Population Study, a model was trained on a subset of 175 subjects and evaluated on the remaining...
November 25, 2016: Epigenomics
https://www.readbyqxmd.com/read/27883026/inhibition-of-lysophosphatidic-acid-receptors-1-and-3-attenuates-atherosclerosis-development-in-ldl-receptor-deficient-mice
#18
Eva Kritikou, Gijs H M van Puijvelde, Thomas van der Heijden, Peter J van Santbrink, Maarten Swart, Frank H Schaftenaar, Mara J Kröner, Johan Kuiper, Ilze Bot
Lysophosphatidic acid (LPA) is a natural lysophospholipid present at high concentrations within lipid-rich atherosclerotic plaques. Upon local accumulation in the damaged vessels, LPA can act as a potent activator for various types of immune cells through its specific membrane receptors LPA1/3. LPA elicits chemotactic, pro-inflammatory and apoptotic effects that lead to atherosclerotic plaque progression. In this study we aimed to inhibit LPA signaling by means of LPA1/3 antagonism using the small molecule Ki16425...
November 24, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27881702/roles-of-aluminum-hydroxide-and-monophosphoryl-lipid-a-adjuvants-in-overcoming-cd4-t-cell-deficiency-to-induce-isotype-switched-igg-antibody-responses-and-protection-by-t-dependent-influenza-vaccine
#19
Eun-Ju Ko, Young-Tae Lee, Ki-Hye Kim, Youri Lee, Yu-Jin Jung, Min-Chul Kim, Yu-Na Lee, Taeuk Kang, Sang-Moo Kang
Vaccine adjuvant effects in the CD4-deficient condition largely remain unknown. We investigated the roles of combined monophosphoryl lipid A (MPL) and aluminum hydroxide (Alum) adjuvant (MPL+Alum) in inducing immunity after immunization of CD4 knockout (CD4KO) and wild-type (WT) mice with T-dependent influenza vaccine. MPL+Alum adjuvant mediated IgG isotype-switched Abs, IgG-secreting cell responses, and protection in CD4KO mice, which were comparable to those in WT mice. In contrast, Alum adjuvant effects were dependent on CD4(+) T cells...
November 23, 2016: Journal of Immunology: Official Journal of the American Association of Immunologists
https://www.readbyqxmd.com/read/27881012/elevated-aspartate-aminotransferase-and-monocyte-counts-predict-unfavorable-prognosis-in-patients-with-malignant-pleural-mesothelioma
#20
A Zhang, S Cao, S Jin, J Cao, J Shen, B Pan, R Zhu, Y Yu
Limited biomarkers predicting prognosis of malignant pleural mesothelioma (MPM) have been identified. The present study aims to assess potential laboratory prognostic factors of MPM. We retrospectively reviewed the clinical data of 105 patients with MPM. The overall survival and prognostic factors were assessed by Kaplan-Meier curves and Cox regression analysis. A receiver operating characteristic (ROC) curve analysis was performed to determine the optimal cut-off values. The mean age of the 105 patients (62 men, 43 women) was 56...
November 24, 2016: Neoplasma
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