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Research progress on human microecology and infectious diseases

stable genetic characteristics. For example, the flora structure colonized in the intestinal canal changes with the human diet, and this change manifests in the offspring and becomes difficult to reverse. Sonnenburg et al . [ 8 ] used a mouse model and found that a high-fiber diet available to microorganisms can affect the intestinal flora of several generations of mice during which the intestinal flora diversity in mice with a low-fiber diet is reduced, and the decrease in the diversity of pseudo-bacteria is the most obvious. This change in the intestinal flora

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Determination of steroid esters in hair of slaughter animals by liquid chromatography with tandem mass spectrometry

water and dried for 12 h at ambient temperature. Subsequently, the hair fibres were cut into smaller pieces of about 0.5 cm with scissors and ground in a mortar in liquid nitrogen to obtain a powder. The hair samples were stored in a frozen state until laboratory analysis, directly before which they were brought to room temperature. The sample preparation process before instrumental analysis was carried out according to the protocol described below. A total of 200 mg (± 2 mg) of shredded hair was weighed and placed in a 10 mL glass centrifuge tube. Internal

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Immunohistochemical Localization of Elastic System Fibres in the Canine Prostate

REFERENCES 1. Augsburger, H. R., 1997: Elastic fibres system of the female canine urethra. Histochemical identification of elastic, elaunin and oxytalan fibres. Anat. Histol. Embryol. , 26, 297—302. 2. Dass, N., McMurray, G., Brading, A. F., 1999: Elastic fibres in the vesicourethral junction and urethra of the guinea pig. J. Anat. , 195, 447—453. 3. Delella, F. K., Felisbino, S. L., 2010: Doxazosin treatment alters stromal cell behaviour and increases elastic system fibres deposition in rat prostate. Micr. Res. Tech. , 73, 1036

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Endoparasites of the European beaver (Castor fiber L. 1758) in north-eastern Poland

Eurasia. Acta Parasitol Pol 1969, 17, 55-64. 17. Tkach V.V., Świderski Z., Dróżdż J., Demiaszkiewicz A.W.: Molecular identification of Echinococcus granulosus from wild European beaver, Castor fiber (L.) from North-Eastern Poland. Acta Parasitol, 2002, 47, 173-176.

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Immunohistochemical Study of the Goat Ductus deferens

-histochemical studies on the epididymal duct in the donkey ( Equus asinus ). J. Vet. Anat. , 2, 1—23. 4. Alkafafy, M., Attia, H., Rashed, R., Kandiel, M., 2010: Some comparative immunohistochemical studies on the ductus deferens in the Donkey ( Equus asinus ) and Water Buffalo Bull ( Bubalus bubalis ). J. Vet. Anat. , 3, 55—69. 5. Augsburger, H. R, 1997: Elastic fibres system of the female canine urethra. Histochemical identification of elastic, elaunin and oxytalan fibres. Anat. Histol. Embryol. , 26, 297—302. 6. Flickinger, C. J., 1975: Fine structure of

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Potential role of beavers (Castor fiber) in contamination of water in the Masurian Lake District (north-eastern Poland) with protozoan parasites Cryptosporidium spp. and Giardia duodenalis

.M., Bełżecki G., Miltko R., Kowalik B., Gogola W., Giżejewski Z.: Endoparasites of the European beaver (Castor fiber L. 1758) in north-eastern Poland. Bull Vet Inst Pulawy 2014, 58, 223-227. 7. Dillingham R.A., Lima A.A., Guerrant R.L.: Cryptosporidiosis: epidemiology and impact. Microbes Infect 2002, 4, 1059-1066. 8. Dunlap B.G., Thies M.L.: Giardia in beaver (Castor canadensis) and nutria (Myocastor coypus) from east Texas. J Parasitol 2002, 88, 1254-1258. 9. Erlandsen S.L., Sherlock L.A., Bemrick W.J., Ghobrial H

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Galanin - Immunoreactive Nerve Fibers in the Mucosal Layer of the Canine Gastrointestinal Tract During Inflammatory Bowel Disease

References 1. Allenspach K, Wieland B., Gröne A., Gaschen F.: Chronic enteropathies in dogs: Evaluation of risk factors for negative outcome. J Vet Intern Med 2007, 21, 700-708. 2. Anselmi L, Cervio E., Guerrini S, Vicini R, Agazzi A., Dellabianca A., Reeve J.R. Jr, Tonini M., Sternini C: Identification of galanin receptor 1 on excitatory motor neurons in the guinea pig ileum. Neurogastroenterol Motil 2005, 17, 273-280. 3. Arciszewski M.B, Barabasz S, Calka J.: Expression of substance P, vasoactive intestinal peptide and galanin in cultured myenteric

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Comparison of localisation of α- and β-oestrogen receptors in posterior part of the piriform cortex in rabbit males

., Lehmann H., Ebert U.: Differences in the distribution of GABA and GAD immunoreactive neurons in the anterior and posterior piriform cortex of rats. Brain Res 1998, 800 , 21-31. 17. Luskin M.B., Price J.L.: The topographic organization of associational fibers of the olfactory system in the rat, including centrifugal fibers to the olfactory bulb. J Comp Neurol 1983, 216 , 264-291. 18. Majak K., Rönkkö S., Kemppainen S., Pitkänen A.: Projections from the amygdaloid complex to the piriform cortex: A PHA-L study in the rat. J Comp Neurol

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Occurrence of Adenovirus Field Strains in Birds Infected with Marek’S Disease Virus

., Hiromichi M., Toshikazu I., Tado I.: Identification of group I-III avian adenowirus by PCR coupled with direct sequencing of the hexon gene. J Vet Med Sci 2009, 71 , 1239-1242. 17. McFerran J.B., McConnel A.B.: Adenovirus Infections. Diseases of Poultry, Swayne, Iowa State University Press. 2003, pp 213-217. 18. Meulemans G., Couvreur B., Decaesstecker M., P van den Berg B., P van den Berg T.: Phylogenetic analysis of fowl adenoviruses. Avian Pathol 2004, 33 , 164-170. 19. Niczyporuk J.S., Samorek-Salamonowicz E., Czekaj H

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Polymorphisms of Growth Hormone Gene in a Native Chicken Population: Association with Egg Production

., Yang G., Zhang X.: Polymorphism of growth-correlated genes associated with fatness and muscle fiber traits in chickens. Poult Sci 2007, 86 , 835-842. 15. Liu H.C., Kung H.J., Fulton J.E., Morgan R.W., Cheng H.H.: Growth hormone interacts with the Marek’s disease virus SORF2 protein and is associated with disease resistance in chicken. Proc Natl Acad Sci USA 2001, 98 , 9203-9208. 16. Moore D.D., Marks A.R., Buckley D.I., Kapler G., Payvar F., Goodman H.M.: The first intron of the human growth hormone gene contains a binding site for

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