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The influence of in ovo injection with the prebiotic DiNovoon the development of histomorphological parameters of the duodenum, body mass and productivity in large-scale poultry production conditions

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Journal of Animal Science and Biotechnology 2017年第4期8卷 984-991页

作者： Adrianna Sobolewska Gabriela Elminowska-Wenda Joanna Bogucka Agata Dankowiakowska Anna Kulakowska Agata Szczerba katarzyna Stadnicka Michal Szpinda Marek Bednarczyk Department of Animal Biochemistry and Biotechnology University of Science and Technology in Bydgoszcz Mazowiecka 28 Street 85-084 Bydgoszcz Poland Department of Normal Anatomy the Ludwik Rydygier Collegium Medicum in Bydgoszcz the Nicolaus Copernicus University in Torun 24 Karlowicza Street Bydgoszcz 85-092 Poland

Background: Among various feed additives currently used in poultry nutrition, an important role is played by bioactive substances, including prebiotics. The beneficial effect of these bioactive substances on the gastrointestinal tract and immune system give rise to improvements in broiler health and performance nutrition, thus increasing the productivity of these birds. An innovative method for introducing bioactive substances into chickens is the in ovo injection into eggs intended for hatching. The aim of the study was to evaluate the development of histomorphological parameters of the duodenum and productivity in chickens injected in ovo with the prebiotic DiNovo~?(extract of Laminaria species of seaweed, BioA tlantis Ltd., Ireland) on d 12 of incubation, under large-scale, high density poultry production ***: There was no significant impact of the injection of DiNovo~? prebiotic on the production parameters of broiler chickens(body weight, FCR, EBI and mortality) obtained on d 42 of rearing. No significant impact of the DiNovo~? injection on the duodenum weight and length was observed, as wel as on the CSA, diameter and muscular layer thickness of the duodenum. The in ovo injection of DiNovo~? significantly increased the width of the duodenal vil i(P < 0.05) and crypt depth(P < 0.01) of chickens on d 21 of rearing. Other histomorphological parameters of duodenal vil i at d 42 of chickens rearing such as: the height, width, and cross section area of vil i were significantly greater in chickens from the control group compared to those from the DiNovo~? group(P < 0.05 and P < 0.01).Conclusions: In conclusion, this study demonstrates that injection of DiNovo~? prebiotic into the air chamber of egg significantly influences the histomorphological parameters on d 21 of rearing without negatively affecting productivity in chickens at the end of rearing.

关键词： Chicken Duodenum Histomorphological parameters In ovo Prebiotic Productivity

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Available for millions of years but discovered through the last decade:Insects as a source of nutrients and energy in animal diets

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Animal Nutrition 2022年第4期11卷 60-79页

作者： Bartosz Kieronczyk Mateusz Rawski Zuzanna Mikołajczak Natalia Homska Jan Jankowski katarzyna Ognik Agata Jozefiak Jan Mazurkiewicz Damian Jozefiak Department of Animal Nutrition Poznan University of Life SciencesPoznanPoland Laboratory of Inland Fisheries and Aquaculture Department of ZoologyPoznan University of Life SciencesPoznanPoland Department of Poultry Science University of Warmia and MazuryOlsztynPoland Department of Biochemistry and Toxicology Faculty of Animal Sciences and BioeconomyUniversity of Life Sciences in LublinLublinPoland Department of Preclinical Sciences and Infectious Diseases Poznan University of Life SciencesPoznanPoland

The aim of this review is to present and discuss the most recent literature about the processing of insect biomass and its impact on nutritive value,further implementation of meals and fats derived from invertebrates to livestock(poultry and swine),aquaculture(salmonids),and companion animal diets and their impact on growth performance,metabolic response,and gastrointestinal microbiota ***,the most important barriers to obtaining unified products in terms of their nutritive value are considered,i.e.,to define insects'nutrient requirements,including various technological groups and further biomass processing(slaughtering,drying,and storage).Due to the current limitation in the insect production process consisting of the lack of infrastructure,there is stress on the relatively small amount of insect products added to the animal diets as a functional feed ***,only in the case of pet nutrition may insects be considered a full replacement for commonly used environmentally harmful and allergenic ***,the least information has been published on this ***,more scientific data are needed,particularly when the pet food branch and insect-based diets are rapidly growing.

关键词： Insect protein Poultry Pig Fish Pet Nutritive value

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Morphofunctional characterization of hemocytes in black soldier fly larvae

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Insect Science 2023年第4期30卷 912-932页

作者： Daniele Bruno Aurora Montali Marzia Gariboldi Anna katarzyna Wronska Agata Kaczmarek Amr Mohamed Ling Tian Morena Casarteli Gianluca Tettamanti Department of Biotechnology and Life Sciences University of InsubriaVareseItaly Host Parasites Molecular Interaction Research Unit Witold Stefanski Institute of ParasitologyPolish Academy of SciencesWarsawPoland Department of Entomology Faculty of ScienceCairo UniversityGizaEgypt Guangdong Provincial Key Laboratory of Agro-animal Genomics and Molecular Breeding Guangdong Provincial Sericulture and Mulberry Engineering Research CenterCollege of Animal ScienceSouth China Agricultural UniversityGuangzhouChina Department of Biosciences University of MilanoMilanoItaly Interuniversity Centerfor Studies on Bioinspired Agro-environmental Technology(BAT Center) University of Napoli Federico llPorticiItaly

In insects,the cell-mediated immune response involves an active role of hemo-cytes in phagocytosis,nodulation,and *** these processes have been well documented in multiple species belonging to different insect orders,information con-cerning the immune response,particularly the hemocyte types and their specific function in the black soldier fly Hermetia illucens,is still *** is a serious gap in knowledge given the high economic relevance of *** larvae in waste management strategies and considering that the saprophagous feeding habits of this dipteran species have likely shaped its immune system to efficiently respond to *** present study repre-sents the first detailed characterization of black soldier fly hemocytes and provides new insights into the cell-mediated immune response of this *** particular,in addition to prohemocytes,we identified five hemocyte types that mount the immune response in the larva,and analyzed their behavior,role,and morphofunctional changes in response to bac-terial infection and injection of chromatographic *** results demonstrate that the circulating phagocytes in black soldier fly larvae are *** cells also take part in nodulation and encapsulation with granulocytes and lamellocyte-like cells,devel-oping a starting core for nodule/capsule formation to remove/encapsulate large bacterial aggregates/pathogens from the hemolymph,*** processes are supported by the release of melanin precursors from crystal cells and likely by mobilizing nutrient reserves in newly circulating adipohemocytes,which could thus trophically support other hemocytes during the immune ***,the regulation of the cell-mediated im-mune response by eicosanoids was investigated.

关键词： eicosanoids encapsulation hemocytes Hermetia illucens immunity phagocytosis

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Delineating the glioblastoma stemness by genes involved in cytoskeletal rearrangements and metabolic alterations

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World Journal of Stem Cells 2023年第5期15卷 302-322页

作者： Żaneta Kałuzińska-Kołat Damian Kołat katarzyna Kośla Elżbieta Płuciennik Andrzej K Bednarek Department of Experimental Surgery Medical University of LodzLodz 90-136LodzkiePoland Department of Molecular Carcinogenesis Medical University of LodzLodz 90-752LodzkiePoland Department of Functional Genomics Medical University of LodzLodz 90-752LodzkiePoland

Literature data on glioblastoma ongoingly underline the link between metabolism and cancer stemness,the latter is one responsible for potentiating the resistance to treatment,inter alia due to increased *** recent years,glioblastoma stemness research has bashfully introduced a key aspect of cytoskeletal rearrangements,whereas the impact of the cytoskeleton on invasiveness is well *** non-stem glioblastoma cells are less invasive than glioblastoma stem cells(GSCs),these cells also acquire stemness with greater ease if characterized as invasive cells and not tumor core *** suggests that glioblastoma stemness should be further investigated for any phenomena related to the cytoskeleton and metabolism,as they may provide new invasion-related ***,we proved that interplay between metabolism and cytoskeleton existed in *** searching for cytoskeleton-related processes in which the investigated genes might have been involved,not only did we stumble across the relation to metabolism but also reported genes that were found to be implicated in ***,dedicated research on these genes in GSCs seems justifiable and might reveal novel directions and/or biomarkers that could be utilized in the ***,we review the previously identified cytoskeleton/metabolism-related genes through the prism of glioblastoma stemness.

关键词： Glioblastoma Stemness Cytoskeleton Metabolism Biomarkers Therapy

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Sodium alendronate loaded poly(L-lactideco-glycolide)microparticles immobilized on ceramic scaffolds for local treatment of bone defects

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Regenerative Biomaterials 2020年第3期7卷 293-302页

作者： Lucja Rumian Cornelia Wolf-Brandstetter Sina Roβler katarzyna Reczynska Hanna Tiainen Havard J.Haugen Dieter Scharnweber Elzbieta Pamula Faculty of Materials Science and Ceramics Department of Biomaterials and CompositesAGH University of Science and TechnologyAl.A.Mickiewicza 30Krakow 30-059Poland Technische Universitat Dresden Institute of Materials ScienceMax Bergmann Center of BiomaterialsBudapester Str.27Dresden 01-069Germany Department of Biomaterials Institute for Clinical DentistryUniversity of OsloGeitmyrsveien 71BlindernP.O.Box 1109Oslo NO-0317Norway

Bone tissue regeneration in critical-size defects is possible after implantation of a 3D scaffold and can be additionally enhanced once the scaffold is enriched with drugs or other factors supporting bone remodelling and *** alendronate(Aln),a widely used anti-osteoporosis drug,exhibits strong inhibitory effect on bone resorption performed by ***,we propose a new approach for the treatment of bone defects in craniofacial region combining biocompatible titanium dioxide scaffolds and poly(L-lactide-co-glycolide)microparticles(MPs)loaded with *** MPs were effectively attached to the surface of the scaffolds’pore walls by human recombinant *** release from the scaffolds was characterized by initial burst(2466% of the drug released within first 24 h)followed by a sustained release phase(on average 5 mg of Aln released per day from Day 3 to Day 18).In vitro tests evidenced that Aln at concentrations of 5 and 2.5 mg/ml was not cytotoxic for MG-63 osteoblast-like cells(viability between 8166% and 9863% of control),but it prevented RANKL-induced formation of osteoclast-like cells from macrophages derived from peripheral blood mononuclear cells,as shown by reduced fusion capability and decreased tartrateresistant acid phosphatase 5b activity(5665% reduction in comparison to control after 8 days of culture).Results show that it is feasible to design the scaffolds providing required doses of Aln inhibiting osteoclastogenesis,reducing osteoclast activity,but not affecting osteoblast functions,which may be beneficial in the treatment of critical-size bone tissue defects.

关键词： ceramic scaffolds sodium alendronate osteoblasts osteoclastogenesis collagen critical-size defect poly(L-lactideco-glycolide) microparticles

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