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[求助]
求助,一段摘要翻譯
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Respiratory anthrax, in the absence of early antibiotic treatment, is a fatal disease. This study aimed to test the efficiency of antibiotic therapy in curing infected animals and those sick with anthrax. Postexposure prophylaxis (24 h postinfection [p.i.]) of guinea pigs infected intranasally with Bacillus anthracis Vollum spores with doxycycline, ofloxacin, imipenem, and gentamicin conferred protection. However, upon termination of treatment, the animals died from respiratory anthrax. Combined treatment with antibiotics and active vaccination with a protective antigen-based vaccine leads to full protection even after cessation of treatment. Delaying the initiation of antibiotic administration to over 24 h p.i. resulted in treatment of animals with anthrax exhibiting various degrees of bacteremia and toxemia. Treatment with doxycycline or ciprofloxacin cured sick guinea pigs and rabbits exhibiting bacteremia levels up to 105 CFU/ml. Addition of anti-protective antigen (PA) antibodies augmented the efficiency of protection, allowing the cure of guinea pigs and rabbits with 10- to 20-fold-higher bacteremia levels, up to 7 105 CFU/ml and 2 106 CFU/ml, respectively. Treatment with ciprofloxacin and a monoclonal anti-PA antibody rescued rabbits with bacteremia levels up to 4 106 CFU/ml. During antibiotic administration, all surviving animals developed a protective immune response against development of a fatal disease and subcutaneous challenge with Vollum spores. In conclusion, these results demonstrate that antibiotic treatment can prevent the development of fatal disease in respiratoryanthrax- infected animals and can cure animals after disease establishment. A therapeutic time window of 40 h to 48 h from infection to initiation of efficient antibiotic-mediated cure was observed. |

銀蟲 (正式寫手)
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呼吸炭疽,在沒有早期抗生素治療,是一種致命的疾病。本研究旨在檢驗 抗生素治療在治療感染的動物和那些生病了炭疽的效率。暴露后 有炭疽桿菌芽孢Vollum鼻內(nèi)感染豚鼠的預防(24小時后感染的π) 用多西環(huán)素,氧氟沙星,亞胺培南,慶大霉素和賦予的保護。然而,終止于 治療后,動物呼吸炭疽死亡。用抗生素和積極接種疫苗聯(lián)合治療 帶有保護性抗原的疫苗,甚至停止治療后導致充分的保護。 延緩抗生素給藥開始到超過24小時PI導致治療的動物與 炭疽展出不同程度的菌血癥和毒血癥。治療強力霉素或環(huán)丙沙星 治好病豚鼠和兔參展菌血癥水平達到105 CFU /毫升。加入反保護 性抗原(PA)的抗體增強保護的效率,從而允許豚鼠和兔子的固化 用10至20倍,更高菌血癥水平,達7105 CFU / ml和2106 CFU /毫升。 治療用環(huán)丙沙星和單克隆抗PA抗體獲救兔菌血癥水平達 4106 CFU /毫升。在抗生素,所有存活的動物制定了保護性免疫 響應對發(fā)展一種致命的疾病和皮下挑戰(zhàn),Vollum孢子。結論, 這些結果表明,抗生素治療能夠防止respiratoryanthrax-致命疾病的發(fā)展 感染的動物和疾病成立后可以治愈的動物。的40小時的治療時間窗 從感染48小時到有效的抗菌素介導的固化引發(fā)了觀察。 |

鐵桿木蟲 (著名寫手)
小丑

| 呼吸系統(tǒng)炭疽,在早期如果沒有抗生素治療的情況下,將變成一種致命的疾病。本研究旨在測試抗生素治療對感染炭疽病毒的動物和炭疽病發(fā)的動物的療效。預先暴露在用炭疽桿菌芽孢(感染前24小時)鼻內(nèi)感染的豚鼠注射多西環(huán)素、氧氟沙星、亞胺培南和慶大霉素進行保護。然而,終止治療后,動物呼吸炭疽病發(fā)生亡。用治療結合抗生素和具有保護性的基于抗原的疫苗接種甚至在停止治療后仍然能實現(xiàn)(免疫)完全保護。推后抗生素的注射超過二十四小時后會導致受治療的炭疽病動物呈現(xiàn)出不同程度的菌血癥和毒血癥。用強力霉素或環(huán)丙沙星治愈的病豚鼠和兔顯示出菌血癥級別可達到105 CFU/毫升。加入抗保護性抗原(PA)的抗體增強了保護的效率,使得治愈的豚鼠和兔菌血癥水平高達前者10至20倍,分別為 7105 CFU/ml and 2106 CFU/ml。用環(huán)丙沙星和單克隆抗PA抗體治療獲救兔菌血癥水平高達4106 CFU/毫升。在抗生素的作用下,所有存活的動物對由炭疽芽孢引發(fā),進而發(fā)展成一種致命的疾病和皮下病變產(chǎn)生了一種保護性免疫?傊,這些結果表明,抗生素治療可預防呼吸道炭疽感染的動物朝著致命性炭疽疾病的發(fā)展,以及疾病病發(fā)后仍然可以使其治愈。觀察的時間窗從感染到有效的抗菌素介入治愈長達40小時至48小時。(貌似有些地方還不對,你自己看下吧,意思應該大都差不多吧,要是感覺意思不對,再私密我下哪里有問題,我?guī)椭魄孟,畢竟不是本專業(yè)。。。) |

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