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secretory immunoglobulin a

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https://www.readbyqxmd.com/read/28341876/consumption-of-green-tea-epigallocatechin-3-gallate-enhances-systemic-immune-response-antioxidative-capacity-and-hpa-axis-functions-in-aged-male-swiss-albino-mice
#1
Rohit Sharma, Anamika Sharma, Amita Kumari, Pankaj Markand Kulurkar, Rajneesh Raj, Ashu Gulati, Yogendra S Padwad
The present investigation assessed the potential of green tea phytochemical epigallocatechin-3-gallate (EGCG) in alleviating age-associated aberrations in immunity, hypothalamus-pituitary-adrenal (HPA) axis and redox homeostasis using 16 months old male Swiss albino mice. Four groups of animals (n = 6 per group) were supplemented with either aqueous EGCG at 25, 50 and 100 mg/kg/animal or vehicle control for 6 weeks. A concurrent analysis of CD4(+) and CD8(+) lymphocytes in splenocytes, differential leucocyte population, T cell differentiation markers in peripheral blood mononuclear cells (PBMCs), neutrophil functions, immunoglobulins profile in intestine, circulatory HPA axis hormonal levels as well as inflammatory and oxidative stress in the liver was performed...
March 24, 2017: Biogerontology
https://www.readbyqxmd.com/read/28337878/salivary-cortisol-alpha-amylase-and-immunoglobulin-a-responses-to-a-morning-session-of-basketball-or-volleyball-training-in-boys-aged-14-18-years
#2
A Bruzda-Zwiech, M Konieczka, A Hilt, M Daszkowska, J Grzegorczyk, J Szczepańska
This study investigates whether a single session of routine morning basketball or volleyball training affects saliva levels of cortisol, alpha-amylase (sAA) and secretory immunoglobulin A (sIgA) in boys aged 14–18 years. Twenty-nine boys who participate in basketball or volleyball training, recruited from the Marcin Gortat’s Athletic Championship School in Lodz, were enrolled in the study. The 90-minute routine exercise program included 15 minutes of warm-up followed by basketball or volleyball practice. Unstimulated saliva samples were collected prior to and immediately after the exercise, and were analysed using ELISA...
January 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28337225/bufei-huoxue-capsule-attenuates-pm2-5-induced-pulmonary-inflammation-in-mice
#3
Yue Jing, Hongchun Zhang, Zhe Cai, Yukun Zhao, Ye Wu, Xuan Zheng, Ying Liu, Yuying Qin, Mingjie Gu, Jin Jin
Atmospheric fine particulate matter 2.5 (PM 2.5) may carry many toxic substances on its surface and this may pose a public health threat. Epidemiological research indicates that cumulative ambient PM2.5 is correlated to morbidity and mortality due to pulmonary and cardiovascular diseases and cancer. Mitigating the toxic effects of PM2.5 is therefore highly desired. Bufei Huoxue (BFHX) capsules have been used in China to treat pulmonary heart disease (cor pulmonale). Thus, we assessed the effects of BFHX capsules on PM2...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28336271/helminth-secretomes-reflect-different-lifestyles-and-parasitized-hosts
#4
Yesid Cuesta-Astroz, Francislon Silva de Oliveira, Laila Alves Nahum, Guilherme Oliveira
Helminths cause a number of medical and agricultural problems and are a major cause of parasitic infections in humans, animals and plants. Comparative analysis of helminth genes and genomes are important to understand the genomic biodiversity and evolution of parasites and their hosts in terms of different selective pressures in their habitats. The interactions between the infective organisms and their hosts are mediated in large part by secreted proteins, known collectively as the "secretome". Proteins secreted by parasites are able to modify a host's environment and modulate their immune system...
March 20, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28325675/placental-and-colostral-transfer-of-antibodies-reactive-with-enteropathogenic-escherichia-coli-intimins-%C3%AE-%C3%AE-or-%C3%AE
#5
Silvia P N Altman, Milene Tino-De-Franco, Cristiane B Carbonare, Patricia Palmeira, Solange B Carbonare
OBJECTIVE: Intimins are protein adhesins of enteropathogenic Escherichia coli (EPEC) and enterohemorrhagic E. coli (EHEC) capable of inducing attachment and effacement lesions in enterocytes. Anti-intimin antibodies are important for the protection from EPEC and EHEC infections because these antibodies inhibit bacterial adhesion and impair the initial step of the pathogenesis. We studied the transfer of maternal anti-intimin antibodies from healthy Brazilian mothers to their newborns through the placenta and colostrum...
March 19, 2017: Jornal de Pediatria
https://www.readbyqxmd.com/read/28317217/effects-of-a-protected-inclusion-of-organic-acids-and-essential-oils-as-antibiotic-growth-promoter-alternative-on-growth-performance-intestinal-morphology-and-gut-microflora-in-broilers
#6
Yanli Liu, Xin Yang, Hongliang Xin, Si Chen, Chengbo Yang, Yulan Duan, Xiaojun Yang
This experiment was conducted to investigate the effects of protected essential oils and organic acids mixture on poultry feeding. A total of 450 1-day-old Cobb 500 chicks were randomly allotted into three treatments with six replicates. Birds were offered a basal diet (C), basal diet with 0.15 g/kg enramycin premix (A) and basal diet with 0.30 g/kg protected essential oils and organic acids mixture product (P). The results showed that protected essential oils and organic acids mixture supplementation reduced average daily feed intake and ratio of feed to gain (F/G) at 22-42 days of age, and F/G during 1-42 days of age also declined (P < 0...
March 20, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28298536/pasteurization-procedures-for-donor-human-milk-affect-body-growth-intestinal-structure-and-resistance-against-bacterial-infections-in-preterm-pigs
#7
Yanqi Li, Duc Ninh Nguyen, Marita de Waard, Lars Christensen, Ping Zhou, Pingping Jiang, Jing Sun, Anders Miki Bojesen, Charlotte Lauridsen, Jens Lykkesfeldt, Trine Kastrup Dalsgaard, Stine Brandt Bering, Per Torp Sangild
Background: Holder pasteurization (HP) destroys multiple bioactive factors in donor human milk (DM), and UV-C irradiation (UVC) is potentially a gentler method for pasteurizing DM for preterm infants.Objective: We investigated whether UVC-treated DM improves gut maturation and resistance toward bacterial infections relative to HP-treated DM.Methods: Bacteria, selected bioactive components, and markers of antioxidant capacity were measured in unpasteurized donor milk (UP), HP-treated milk, and UVC-treated milk (all from the same DM pool)...
March 15, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28263433/salivary-secretory-iga-concentration-and-dental-caries-in-children-with-down-syndrome
#8
Lina N Hashizume, Carolina Schwertner, Maurício José Santos Moreira, Adriana Simon Coitinho, Lavinia Schuler Faccini
PURPOSE: To evaluate the relationship between salivary secretory immunoglobulin A (sIgA) concentration and dental caries in children with Down syndrome (DS) and compare it with findings in non-DS children. METHODS: The sample comprised 61 DS children and 52 non-DS children, aged 6 to 14 years. Caries experience, plaque index (PI), and gingival bleeding index (GBI) were recorded. Saliva samples were collected from all children. Total salivary sIgA concentrations were determined using an enzymatic assay method...
March 6, 2017: Special Care in Dentistry
https://www.readbyqxmd.com/read/28245626/bifidobacterium-bifidum-olb6378-simultaneously-enhances-systemic-and-mucosal-humoral-immunity-in-low-birth-weight-infants-a-non-randomized-study
#9
Katsunori Tanaka, Takamitsu Tsukahara, Takahide Yanagi, Sayuri Nakahara, Ouki Furukawa, Hidemi Tsutsui, Shigeki Koshida
Probiotic supplementation has been part of the discussion on methods to enhance humoral immunity. Administration of Bifidobacterium bifidum OLB6378 (OLB6378) reduced the incidence of late-onset sepsis in infants. In this non-randomized study, we aimed to determine the effect of administration of live OLB6378 on infants' humoral immunity. Secondly, we tried to elucidate whether similar effects would be observed with administration of non-live OLB6378. Low birth weight (LBW) infants weighing 1500-2500 g were divided into three groups: Group N (no intervention), Group L (administered live OLB6378 concentrate), and Group H (administered non-live OLB6378 concentrate)...
February 26, 2017: Nutrients
https://www.readbyqxmd.com/read/28199170/antibody-repertoire-development-in-swine
#10
J E Butler, Nancy Wertz, Marek Sinkora
We describe the domestication of the species, explore its value to agriculture and bioscience, and compare its immunoglobulin (Ig) genes to those of other vertebrates. For encyclopedic information, we cite earlier reviews and chapters. We provide current gene maps for the heavy and light chain loci and describe their polygeny and polymorphy. B-cell and antibody repertoire development is a major focus, and we present findings that challenge several mouse-centric paradigms. We focus special attention on the role of ileal Peyer's patches, the largest secondary lymphoid tissues in newborn piglets and a feature of all artiodactyls...
February 8, 2017: Annual Review of Animal Biosciences
https://www.readbyqxmd.com/read/28193209/secretion-of-biologically-active-pancreatitis-associated-protein-i-pap-by-genetically-modified-dairy-lactococcus-lactis-nz9000-in-the-prevention-of-intestinal-mucositis
#11
Rodrigo D Carvalho, Natalia Breyner, Zelia Menezes-Garcia, Nubia M Rodrigues, Luisa Lemos, Tatiane U Maioli, Danielle da Gloria Souza, Denise Carmona, Ana M C de Faria, Philippe Langella, Jean-Marc Chatel, Luis G Bermúdez-Humarán, Henrique C P Figueiredo, Vasco Azevedo, Marcela S de Azevedo
BACKGROUND: Mucositis is one of the most relevant gastrointestinal inflammatory conditions in humans, generated by the use of chemotherapy drugs, such as 5-fluoracil (5-FU). 5-FU-induced mucositis affects 80% of patients undergoing oncological treatment causing mucosal gut dysfunctions and great discomfort. As current therapy drugs presents limitations in alleviating mucositis symptoms, alternative strategies are being pursued. Recent studies have shown that the antimicrobial pancreatitis-associated protein (PAP) has a protective role in intestinal inflammatory processes...
February 13, 2017: Microbial Cell Factories
https://www.readbyqxmd.com/read/28183153/effects-of-armillariella-tabescens-mycelia-on-the-growth-performance-and-intestinal-immune-response-and-microflora-of-early-weaned-pigs
#12
Wen-Bin Chen, Mao-Ji Cheng, Yun-Bo Tian, Qin-Hua Wang, Bing Wang, Mei-Jun Li, Re-Jun Fang
This study was performed to evaluate effects of Armillariella tabescens (A. tabescens) on the growth performance and intestinal immune response and microflora in early-weaned pigs when used as feed additive. A. tabescens mycelia were added to basal diets at concentrations of 0%, 0.1%, 0.3% or 0.9% (w/w). A total of 144 commercial cross-bred piglets were randomly allocated to one of these four diets and fed for 30 days. The growth performance of early-weaned piglets displayed improvement with diets containing 0...
February 9, 2017: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/28162181/-effect-of-serum-interleukin-21-on-b-cell-secretory-capacity-and-apoptosis-in-patients-with-systemic-lupus-erythematosus
#13
L T Zheng, L D Zhao, C Zhao, Y Zhao, X Zhang, F C Zhang, X F Zeng, F L Tang, X You
Objective: To investigate the secretory capacity and apoptosis of interleukin (IL)-21 induced normal B cells by co-culture with serum from patients with systemic lupus erythematosus (SLE). Methods: Serum from twenty new-onset SLE patients and 20 healthy donors were collected. CD(19)(+) B cells from the normal controls were co-cultured with serum from SLE patients in the presence or absence of IL-21-R-FC(4 μg/ml). Supernatant IgG and IgM concentration were measured by immunoturbidimetric assay on day 5. Supernatant anti-dsDNA level was determined by ELISA...
February 1, 2017: Zhonghua Nei Ke za Zhi [Chinese Journal of Internal Medicine]
https://www.readbyqxmd.com/read/28151031/modulation-by-bovine-lactoferrin-of-parameters-associated-with-the-iga-response-in-the-proximal-and-distal-small-intestine-of-balb-c-mice
#14
Marycarmen Godínez-Victoria, Teresita Rocío Cruz-Hernández, Humberto Reyna-Garfias, Reyna Elizabeth Barbosa-Cabrera, Maria Elisa Drago-Serrano, María Cristina Sánchez-Gómez, Rafael Campos-Rodríguez
BACKGROUND: Secretory IgA (SIgA) and the polymeric immunoglobulin receptor (pIgR) have a pivotal role in gut homeostasis. Bovine lactoferrin (bLf) has been shown to modulate intestinal immunity and endogenous corticosterone. Considering the regionalization of the intestinal immune response, the aim of this work was to compare the impact of bLf on the IgA response in the proximal versus distal small intestine under physiological conditions. METHODS: Groups of healthy male BALB/c mice were orally treated with one daily dose of bLf (50, 500, or 5000 μg) or untreated (control) for 7 d, and then sacrificed...
April 2017: Immunopharmacology and Immunotoxicology
https://www.readbyqxmd.com/read/28150752/rainbow-trout-oncorhynchus-mykiss-secretory-component-binds-to-commensal-bacteria-and-pathogens
#15
Cecelia Kelly, Fumio Takizawa, J Oriol Sunyer, Irene Salinas
Commensal bacteria co-exist on the mucosal surfaces of all vertebrates. The host's mucosal immune system must tolerate commensals while fighting pathogens. One of the mechanisms used by the mucosal immune system to maintain homeostasis is the secretion of immunoglobulins (Igs) across epithelial barriers, which is achieved via the polymeric immunoglobulin receptor (pIgR). Rainbow trout pIgR is known to transport IgT and IgM across epithelia. However, other biological functions for trout pIgR or trout secretory component (tSC) remain unknown...
February 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28118501/immunoglobulin-a-and-nutrients-in-milk-from-great-apes-throughout-lactation
#16
Miriam Garcia, Michael L Power, Kasey M Moyes
Differences in macronutrients between human and ape milks appear relatively small, but variation in other components such as immunoglobulins (Ig) may be greater. This study characterized the macronutrient and secretory (sIgA) profiles in milk from gorillas and orangutans throughout lactation. Fifty-three milk samples from four gorillas and three orangutans were collected throughout 48 and 22 months postpartum (MPP), respectively. Samples were grouped in five stages of lactation (0 to 6 months, more than 6 months to 12 months, more than 12 months to 18 months, more than 18 months to 36 months, and more than 36 months to 48 months)...
March 2017: American Journal of Primatology
https://www.readbyqxmd.com/read/28115360/saccharomyces-boulardii-administration-can-inhibit-the-formation-of-gastric-lymphoid-follicles-induced-by-helicobacter-suis-infection
#17
Lin Yang, Zi-Bin Tian, Ya-Nan Yu, Cui-Ping Zhang, Xiao-Yu Li, Tao Mao, Xue Jing, Wen-Jun Zhao, Xue-Li Ding, Ruo-Ming Yang, Shuai-Qing Zhang
Helicobacter suis has a greater tendency to induce gastric mucosa-associated lymphoid tissue (MALT) lymphoma compared with other Helicobacter species in humans and animals. Saccharomyces (S.) boulardii has been established as an adjunct to Helicobacter pylori eradication treatment, but the effect of S. boulardii administration alone on Helicobacter infection remains unclear. Here, we found that S. boulardii administration effectively decreased the bacterial load of Helicobacter suis and inhibited the formation of lymphoid follicles in the stomach post-infection...
January 22, 2017: Pathogens and Disease
https://www.readbyqxmd.com/read/28066935/effects-of-corn-distillers-dried-grains-with-solubles-on-performance-oxidative-status-intestinal-immunity-and-meat-quality-of-chinese-yellow-broilers
#18
D Ruan, S Q Jiang, Y J Hu, F Y Ding, Q L Fan, F Chen, X J Lin, L Li, Y Wang
The study assessed the effects of different dietary levels of corn distillers dried grains with solubles (DDGS) on performance, oxidation status, intestinal immunity and meat quality in Chinese Yellow broilers aged from 1 to 63 days. Lingnan male hatchings (1440) were randomly assigned to six treatments, each consisting of six replicates of 40 birds. The basal diet (I) was a typical corn-soya bean ration while the experimental diets (II to VI) partially substituted corn DDGS for soya bean meal. The level of substitution in starter, grower and finisher diets was as follows: II, 2%, 4% then 6%; III, 4%, 8% then 12%; IV, 6%, 12% then 18%; V, 8%, 16% then 24%; VI, 10%, 20% then 30%...
January 8, 2017: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/28062226/molecular-characterization-and-expression-analysis-of-three-subclasses-of-igt-in-rainbow-trout-oncorhynchus-mykiss
#19
Nu Zhang, Xu-Jie Zhang, Dan-Dan Chen, J Oriol Sunyer, Yong-An Zhang
As the teleost specific immunoglobulin, IgT plays important roles in systemic and mucosal immunity. In the current study, in rainbow trout, we have cloned the heavy chain (Igτ) genes of a secretory form of IgT2 as well as the membrane and secretory forms of a third IgT subclass, termed IgT3. Conserved cysteine and tryptophan residues that are crucial for the folding of the immunoglobulin domain as well as hydrophobic and hydrophilic residues within CART motif were identified in all IgT subclasses. Through analysis of the rainbow trout genome assembly, Igτ3 gene was found localized upstream of Igτ1 gene, while Igτ2 gene situated on another scaffold...
January 3, 2017: Developmental and Comparative Immunology
https://www.readbyqxmd.com/read/28017697/anti-inflammatory-and-antioxidant-effect-of-modified-bazhengsan-in-a-rat-model-of-chronic-bacterial-prostatitis
#20
Youyi Xiong, Xingtao Qiu, Weijing Shi, Hao Yu, Xiaolin Zhang
ETHNOPHARMACOLOGICAL RELEVANCE: Bazhengsan is a commonly used traditional Chinese prescription for the treatment of the urogenital system diseases for thousands of years, which decoction was first described in Prescriptions of the Bureau of Taiping People's Welfare Pharmacy in Song Dynasty. AIM OF THE STUDY: In this study, the potential of modified Bazhengsan (mBazhengsan) as a chronic bacterial prostate inflammation inhibitor was investigated in a rat model. MATERIALS AND METHODS: Rat prostates were injected with Escherichia coli to induce inflammation by the sterile operation...
December 22, 2016: Journal of Ethnopharmacology
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