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Kaiwen Bai, Chengcheng Feng, Luyi Jiang, Ligen Zhang, Jingfei Zhang, Lili Zhang, Tian Wang
This paper aimed to study the dietary effects of Bacillus subtilis fmbj (BS fmbj) on growth performance, small intestinal histomorphology, and its antioxidant capacity of broilers at 21 d of raising. A total of 300 1-d old male Arbor Acres broilers were randomly assigned to 5 groups: broilers fed the basal diets with 0 g/kg BS fmbj (CON), 0.2 g/kg BS fmbj (BS-1), 0.3 g/kg BS fmbj (BS-2), 0.4 g/kg BS fmbj (BS-3), and 0.5 g/kg BS fmbj (BS-4). The results showed that there were no differences in the growth performance among treatments during the trail...
April 11, 2018: Poultry Science
Hongbo Yi, Guangda Yang, Yunxia Xiong, Xiaolu Wen, Zhilin Wang, Xuefen Yang, Kaiguo Gao, Li Wang, Zongyong Jiang
The objective of this study was to investigate the effects of Lactobacillus reuteri LR1, a new strain isolated from the feces of weaned pigs, on the growth performance, intestinal morphology, immune responses, and intestinal barrier function in weaned pigs. A total of 144 weaned pigs (Duroc × Landrace × Yorkshire, 21 d of age) with an initial BW of 6.49 ± 0.02 kg were randomly assigned to 3 dietary treatments with 8 replicate pens, each of per treatment and 6 pigs. Pigs were fed a basal diet (CON, controls), the basal diet supplemented with 100 mg/kg olaquindox and 75 mg/kg aureomycin (OA) or the basal diet supplemented with 5×1010 cfu/kg L...
April 12, 2018: Journal of Animal Science
Y Su, Y P Chen, Y F Cheng, C Wen, Y M Zhou
This study was conducted to investigate effects of modified palygorskite (MPal) supplementation on the laying performance, egg quality and mineral element content, immunity, oxidative status, and intestinal integrity and barrier function of laying hens. A total of 360 52-week-old Hyline Brown hens were randomly assigned into four dietary treatments for a 7-week feeding trial. The birds were fed a basal diet supplemented with 0 (control group), 0.25, 0.5, and 1 g/kg MPal, respectively. The supplementation of MPal did not alter laying performance and egg quality among groups...
April 16, 2018: Biological Trace Element Research
Christof A Leicht, Victoria L Goosey-Tolfrey, Nicolette C Bishop
INTRODUCTION: Salivary secretory immunoglobulin A (sIgA), saliva flow rate and plasma cortisol concentrations have been shown to be influenced by exercise, particularly the intensity exercise is performed at, and circadian variation. The autonomic nervous system partly regulates salivary secretion, but it is not yet known whether cortisol also explains some variation in salivary parameters. METHODS: Twelve moderately trained male individuals ([Formula: see text]peak legs : 46...
April 7, 2018: European Journal of Applied Physiology
Song-Tao Fan, Shao-Ping Nie, Xiao-Jun Huang, Sunan Wang, Jie-Lun Hu, Jun-Hua Xie, Qi-Xing Nie, Ming-Yong Xie
In vivo an ecological network of polysaccharides utilization by gut microbiota is not only an intense competition but also an impressive cooperation pattern. The present study evaluated the in vivo protective effect of combined fungal polysaccharides (CFP) from Cordyceps sinensis and Ganoderma atrum on colon immune dysfunction, induced by 150 mg/kg cyclophosphamide (CP). The results showed that C. sinensis polysaccharides (CSP) significantly promoted microbial-derived butyrate to improve histone h3 acetylation mediating regulatory T (Treg) cell specific Foxp3, as well as significantly restored CP-induced elevation of interleukin (IL)-17 and IL-21...
April 4, 2018: International Journal of Biological Macromolecules
Nikolay A Shcherbina, Lyudmila A Vygivska
OBJECTIVE: Introduction: Vaginal protective systems function independently of other systemic mechanisms and impairments of local immune mechanisms of the vaginal mucosa are the cause of infectious disorders of the reproductive system The aim: To assess characteristics of local immunity in local inflammatory reactions in pregnant, depending on the implementation of intrauterine infection. PATIENTS AND METHODS: Materials and methods: The study comprised Group 1 of pregnant women with the presence of bacterial infections with and without implementation of IUI, Group 2 with the presence of viral infections with and without implementation of IUI, Group 3 with the presence of infections of combined polyetiological structure with and without implementation of IUI and control group included pregnant women with physiological pregnancy...
2018: Wiadomości Lekarskie: Organ Polskiego Towarzystwa Lekarskiego
Danielle S Molnar, Douglas A Granger, Shannon Shisler, Rina D Eiden
AIMS: Secretory Immunoglobulin A (SIgA) plays a critical role in immune functioning by preventing pathogens from adhering to epithelial mucosa. Most infectious agents enter the body via mucosal surfaces, thus SIgA serves in the defense against respiratory, intestinal, and urinogenitary infections, as well as periodontal disease and caries. This study examined the possibility that pre- and postnatal exposure to cigarette and cannabis is associated with individual differences in Secretory Immunoglobulin A (SIgA) levels in early childhood...
March 26, 2018: Neurotoxicology and Teratology
Li Chuanhua, Wang Zhifeng, Zhu Lina, Fan Xin, Lan Jing
OBJECTIVE: This study aims to use Arginine-gingipain A gene vaccine (pVAX1-rgpA) to immunize adult Beagle dogs and to evaluate its effect during peri-implantitis progression and development. METHODS: Plasmid pVAX1-rgpA was constructed. The second and third bilateral mandible premolars of 15 adult Beagle dogs were extracted, and the implants were placed immediately. After 3 months, the animals were randomly divided into groups A, B, and C. Afterward, the animals were immunized thrice with plasmid pVAX1-rgpA, with heat-killed Porphyromonas gingivalis, or pVAX1, respectively...
February 1, 2018: Hua Xi Kou Qiang Yi Xue za Zhi, Huaxi Kouqiang Yixue Zazhi, West China Journal of Stomatology
Zhengtao Chen, Xiuzhen Wang, Ningning Zhao, Linzhen Han, Fangkun Wang, Hongmei Li, Yanshun Cui, Xiaomin Zhao
In recent years, directed evolution has emerged as an efficient tool to develop and identify novel protein variants. Eimeria tenella microneme-2 (EtMIC2) is a promising vaccine candidate for use against E. tenella infection; however, it only yields partial protection. The present study aimed to improve the immunogenicity and protective efficacy of EtMIC2 through random mutagenesis. Mutagenesis gene libraries of EtMIC2 were generated using error-prone polymerase chain reaction (epPCR), and the corresponding variant proteins were displayed on the yeast cell surface...
March 24, 2018: Vaccine
Tadaomi Kawashima, Naho Ikari, Tomoko Kouchi, Yasuyuki Kowatari, Yoshiro Kubota, Naoki Shimojo, Noriko M Tsuji
IgA secretion at mucosal sites is important for host defence against pathogens as well as maintaining the symbiosis with microorganisms present in the small intestine that affect IgA production. In the present study, we tested the ability of 5 strains of lactic acid bacteria stimulating IgA production, being Pediococcus acidilactici K15 selected as the most effective on inducing this protective immunoglobulin. We found that this response was mainly induced via IL-10, as efficiently as IL-6, secreted by K15-stimulated dendritic cells...
March 22, 2018: Scientific Reports
Mariona Camps-Bossacoma, Francisco J Pérez-Cano, Àngels Franch, Margarida Castell
Background: A 10% cocoa-enriched diet influences immune system functionality including the prevention of the antibody response and the induction of lower immunoglobulin (Ig) concentrations. However, neither cocoa polyphenols nor cocoa fiber can totally explain these immunoregulatory properties. Objectives: This study aimed to establish the influence of cocoa theobromine in systemic and intestinal Ig concentrations and to determine the effect of cocoa or theobromine feeding on lymphoid tissue lymphocyte composition...
March 1, 2018: Journal of Nutrition
Hengchang Sun, Zhipeng Lin, Lu Zhao, Tingjin Chen, Mei Shang, Hongye Jiang, Zeli Tang, Xinyi Zhou, Mengchen Shi, Lina Zhou, Pengli Ren, Honglin Qu, Jinsi Lin, Xuerong Li, Jin Xu, Yan Huang, Xinbing Yu
BACKGROUND: Clonorchiasis caused by Clonorchis sinensis has become increasingly prevalent in recent years. Effective prevention strategies are urgently needed to control this food-borne infectious disease. Previous studies indicated that paramyosin of C. sinensis (CsPmy) is a potential vaccine candidate. METHODS: We constructed a recombinant plasmid of PEB03-CotC-CsPmy, transformed it into Bacillus subtilis WB600 strain (B.s-CotC-CsPmy), and confirmed CsPmy expression on the spore surface by SDS-PAGE, Western blotting and immunofluorescence assay...
March 7, 2018: Parasites & Vectors
Shad Uddin Mahfuz, Hui Song, Zhongjun Liu, Xinyu Liu, Zipeng Diao, Guihong Ren, Zhixin Guo, Yan Cui
Objective: This experiment was conducted to evaluate the effects of golden needle mushroom (Flammulina velutipes) stem waste (FVW), on organic eggs production, calcium utilization, antibody response, serum immunoglobulin, and serum cytokine concentration at early phase of production in laying hens. Methods: A total 210, 19 weeks old aged ISA Brown layers were randomly assigned into 5 equal treatment groups, with 7 replications of 6 hens each. Dietary treatment includes a standard basal diet as control; antibiotic (0...
March 2, 2018: Asian-Australasian Journal of Animal Sciences
Gary Groesbeck, Donna Bach, Peta Stapleton, Katharina Blickheuser, Dawson Church, Rebecca Sims
This study investigated changes in psychological and physiological markers during a weekend meditation workshop (N = 34). Psychological symptoms of anxiety, depression, posttraumatic stress disorder (PTSD) and happiness were assessed. Physiological markers included cortisol, salivary immunoglobulin A (SigA), heart rate variability (HRV), blood pressure (BP), and resting heart rate (RHR). On posttest, significant reductions were found in cortisol (-29%, P < .0001), RHR (-5%, P = .0281), and pain (-43%, P = ...
January 2018: Journal of evidence-based integrative medicine
Joanna Orysiak, Konrad Witek, Jadwiga Malczewska-Lenczowska, Agnieszka Zembron-Lacny, Andrzej Pokrywka, Dariusz Sitkowski
The aim of this study was to determine the effects of 17 days of training during preparation for the Ice Hockey Under 18 World Championship of the Polish ice hockey national team on the mucosal immune function and monitor upper respiratory tract infection (URTI) incidence before, during and after the competition. Twelve male ice hockey players (age 17.7±0.5 years) were recruited for this study. The first saliva/blood collection took place at the beginning of the training camp (without training at the training camp), the second one was conducted on the 9th day of the training camp immediately after the intensification of training, and the third collection was carried out on the 13th day of training (4 days before leaving for the World Championship) in the tapering phase...
February 27, 2018: Journal of Strength and Conditioning Research
Yuxia Xiong, Li Chen, Ling Fan, Lulu Wang, Yejiang Zhou, Dalian Qin, Qin Sun, Jianming Wu, Shousong Cao
Intestinal mucosal immune barrier dysfunction plays a key role in the pathogenesis of severe acute pancreatitis (SAP). Rhubarb is a commonly used traditional Chinese medicine as a laxative in China. It markedly protects pancreatic acinar cells from trypsin-induced injury in rats. Free total rhubarb anthraquinones (FTRAs) isolated and extracted from rhubarb display the beneficial effects of antibacteria, anti-inflammation, antivirus, and anticancer. The principal aim of the present study was to investigate the effects of FTRAs on the protection of intestinal injury and modification of the intestinal barrier function through regulation of intestinal immune function in rats with SAP...
2018: Frontiers in Pharmacology
Akio Tada
Background: In recent years, there have been an increasing number of older adults who suffer from mental disorders globally. Objective: The objective of this study was to examine the effect of an intervention that consisted of an exercise program to improve the mental health of community-dwelling older adults. Participants and methods: The recruited participants of this study were community-dwelling older adults aged ≥60 years who participated in a comprehensive health promotion program in Kakogawa, Japan...
2018: Clinical Interventions in Aging
Ali Mirhoseini, Jafar Amani, Shahram Nazarian
Enterotoxigenic Escherichia coli (ETEC) is the most common cause of diarrhea in children. Colonization factors (CFs) and LT enterotoxin are the major ETEC candidate vaccines. To cause disease, ETEC must adhere to the epithelium of the small intestine by means of CFs. Watery diarrhea is produced due to the effects of the enterotoxins. Vaccine development against ETEC has been identified as an important primary prevention strategy in developing countries and for travelers to these regions. Mucosal immunization can cause secretory IgA antibody (sIgA) responses that prevents the attachment of bacteria to the intestine and are of particular importance for provide protection against ETEC infection...
February 20, 2018: Microbial Pathogenesis
Haiyan Zhu, Xiaoxiao Lu, Lijun Ling, Hong Li, Yingye Ou, Xunlong Shi, Yan Lu, Yunyi Zhang, Daofeng Chen
ETHNOPHARMACOLOGICAL RELEVANCE: Hottuynia cordata is an important traditional Chinese medicine for the treatment of respiratory diseases including bacterial and viral infections. Polysaccharides isolated from Houttuynia cordata (HCP), as its main ingredients, have been demonstrated to ameliorate the LPS-induced acute lung injury in mice. The study aimed to determine the protective effects of HCP on multiple organ injury in influenza A virus (IAV) H1N1 infected mice and its primary mechanisms in anti-inflammation and immune regulation...
February 19, 2018: Journal of Ethnopharmacology
M Boccellino, D Di Stasio, R Serpico, A Lucchese, A Guida, G Settembre, M Di Domenico, A Rizzo
Patients affected by Prader-Willi Syndrome (PWS) usually show orofacial dysfunction, poor oral hygiene, severe tooth wear, generalized caries and thick sticky saliva. The aim of this study was to evaluate molecular/ionic changings in PWS patients compared to controls, as well as unstimulated salivary flow rate (SFR); 7 patients with a mean age of 20.0±5.45 years were enrolled in the study group (PWS group) and 5 patients with a mean age of 22.6±3.05 years, in the control group. Results showed a greater Na+ (p=0...
January 2018: Journal of Biological Regulators and Homeostatic Agents
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