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...cosal epithelium, survive in the bloodstream, and traverse the blood-brain barrier [21]. <i>Streptococcus pneumoniae</i> are estimated to possess over 500 sur ...pneumoniae</i> adhering to endothelial cells and crossing the blood-brain barrier and into the cerebral spinal fluid. Release of proinflammatory cytokines an

...nd brain. To infect the brain, the virus must pass through the blood brain barrier.[[#References|[11]]] Hendra virus has been shown in experiments to be able ...s to invade the central nervous system, likely by crossing the blood brain barrier.[[#References|[11]]] There it causes encephalitis, characterized by confusi

...enhance degradation and invasion of tissues and penetrate the blood-brain barrier. Studies have linked the importance of cryptococcal urease to CNS invasion. ...al meningitis is the result of an infection spreading past the blood-brain barrier, allowing access to the central nervous system. Cryptococcal meningitis is

...a virus was unusual because it had been found the virus across blood-brain barrier. However, the detection of coronaviral RNA in human brain samples clearly d ...ters nasal pathway and can path epithelial barrier, especially blood-brain barrier(BBB), reaching the blood and lymph circulation and then propagated towards

...uded that ''A. finegoldii'' is a potential driver for gut inflammation and barrier dysfunction in patients with high blood pressure. [2,12,13] ....nih.gov/29507058/ ''Imbalance of gut microbiome and intestinal epithelial barrier dysfunction in patients with high blood pressure'']

.... If viremia levels become high enough the virus can cross the blood-brain barrier and cause [http://en.wikipedia.org/wiki/Meningoencephalitis meningoencephal ...0 "Evaluation of the function of a type I peritrophic matrix as a physical barrier for midgut epithelium invasion by mosquito-borne pathogens in Aedes aegypti

...the food meal is digested.<ref name=Development/> As an initial infection barrier, it has been suggested that the PM can be used as a mechanism for controlli ...ent/> Some studies show that the ookinetes that manage to penetrate the PM barrier also develop resistance to the mosquito vector midgut enzymes; the parasite

...ost. ''N. meningitidis'' has the unusual ability to cross the blood-brain barrier and enter the cerebral spinal fluid [http://www.sciencedirect.com/science?_ ...d development of anti-biotic resistant strains which has created a serious barrier to treatment of meningitis. Strains resistant to penicillin, sulfa antibi

...a enter the body through a breach in the skin. Once a physical or chemical barrier has been broken the toxin is absorbed into the blood and circulates the bod

...cks are great places for bacteria to thrive and also breach the epithelial barrier, which leads to infection. Men are susceptible to hydrocele, swelling of th

...1%. However, when a man penetrates a woman’s vagina with no use of sexual barrier and she is infected with HIV/AIDS the transmission rate is .1%. It is much ...ave to deal with ultimate sexual submission, and when it is crucial that a barrier is used in sexual intercourse, most of the time it is not-the men do not wa

...by degrading proteins. However, the fungus rarely passes the blood-brain barrier or into the lungs and rarely cause a human death ⁶. The majority

...ent because in most of the countries it is found, simple sterilization and barrier methods are more costly than the hospital can afford. The virus does not no ...ebrospinal fluid which suggests a malfunction or defect of the blood brain barrier. Even though the virus targets the entire body, the liver is usually the or

...ed, research suggests two possible routes: passage through the blood-brain barrier and transport through neural pathways. Antiviral antibodies given intraveno

...ocesses. While these neurotransmitters cannot always cross the blood-brain barrier, they can still act on parts of the peripheral nervous system (like the ent ...of tryptophan, an amino acid. While serotonin cannot cross the blood-brain barrier, the majority of the serotonin in the body is in the gut, and the gut micro

...welling of the lymph nodes causes the fluid to eventually leak through the barrier of the skin</li>

...or leading to alterations of the gut microbiota and dysfunction of the gut barrier has been found to be caused by early-life stress events primarily examined ...s have also been found to stabilize and strengthen the intestinal membrane barrier reducing permeability, as discussed above as leaky gut syndrome, and block

...nosomes invade the central nervous system directly through the blood brain barrier (BBB) as well as through portions of the circumventricular organs. Apparen ...m, Y. Lonsdale-Eccles, J. Fukuma, T. Scharfstein, J. Grab, D. "Blood-brain barrier traversal by <br> African trypanosomes requires calcium signaling induced

...the intestines are deep within humans, the intestinal barrier is a primary barrier from the external environment. While, it is not typically viewed this way, ...and food particles. Pathogens who take advantage of a compromised defense barrier, like a permeable gut, are considered opportunistic pathogens. This ultimat

...enterocolitica </i> utilizes plasmids during pathogenesis to overcome this barrier. These plasmids include an outer membrane protein, YadA, that is used for a ...ization requires the transfer of the bacteria across the epithelial tissue barrier.