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Recombinant VP9-based enzyme-linked immunosorbent assay for detection of immunoglobulin G antibodies to Banna virus (genus Seadornavirus) 总被引:1,自引:0,他引:1
Mohd Jaafar F Attoui H Gallian P Isahak I Wong KT Cheong SK Nadarajah VS Cantaloube JF Biagini P De Micco P De Lamballerie X 《Journal of virological methods》2004,116(1):55-61
Banna virus (BAV, genus Seadornavirus, family Reoviridae) is an arbovirus suspected to be responsible for encephalitis in humans. Two genotypes of this virus are distinguishable: A (Chinese isolate, BAV-Ch) and B (Indonesian isolate, BAV-In6969) which exhibit only 41% amino-acid identity in the sequence of their VP9.The VP7 to VP12 of BAV-Ch and VP9 of BAV-In6969 were expressed in bacteria using pGEX-4T-2 vector. VP9 was chosen to establish an ELISA for BAV, based mainly on two observations: (i). VP9 is a major protein in virus-infected cells and is a capsid protein (ii). among all the proteins expressed, VP9 was obtained in high amount and showed the highest immuno-reactivity to anti-BAV ascitic fluid.The VP9s ELISA was evaluated in three populations: French blood donors and two populations (blood donors and patients with a neurological syndrome) from Malaysia, representing the region where the virus was isolated in the past.The specificity of this ELISA was >98%. In mice injected with live BAV, the assay detected IgG-antibody to BAV infection 21 days post-injection, which was confirmed by Western blot using BAV-infected cells.The VP9 ELISA permits to determine the sero-status of a population without special safety precautions and without any requirements to propagate the BAV. This test should be a useful tool for epidemiological survey of BAV. 相似文献
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Paolo Gattuso Henry J. Carson Houssam Attal Melanie J. Castelli 《Diagnostic cytopathology》1995,13(3):257-259
Systemic spread of primary intracranial neoplasms is rare and may be due to ventriculoperitoneal shunt (VPS). The most common tumors to metastasize via VPS are germinoma of the pineal gland and medulloblastoma. We report a case of 16-yr-old girl with central nervous system malignant melanosis who developed subsequent peritoneal implants via VPS. To the best of our knowledge, this patient represents the third reported case of meningeal melanosis or melanoma which metastasized to the peritoneal cavity via VPS. The VPS should be considered as possible mode of systemic spread in patients with primary cranial malignancy. © 1995 Wiley-Liss, Inc. 相似文献
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Tarek Debs Niccolo Petrucciani Sebastian Frey Carine Korkmaz Katharina Hufschmidt Eric Sejor Houssam Eddine Bitar Imed Ben Amor Antonio Iannelli Jean Gugenheim 《Surgery for obesity and related diseases》2021,17(5):901-908
BackgroundBariatric surgery has become widely performed for treating patients with morbid obesity, and the age limits are being pushed further and further as the procedure proves safe. After massive weight loss, many of those patients seek body-contouring surgery for excess skin and fat.ObjectivesTo analyze the feasibility and the safety of abdominoplasty in patients older than 55 years old after bariatric surgery.SettingUniversity hospital medical center.MethodsWe performed a retrospective review of prospectively collected data from patients aged older than 55 years who had undergone abdominoplasty following massive weight loss due to a bariatric surgery at a single institution from 2004 to 2017. The data analyzed included age, gender, preoperative body mass index, associated interventions, co-morbidities, and postoperative complications.ResultsWe retrieved records for 104 patients; 85.6% percent of them were female, and the mean age was 60.1 ± 3.9 years old. Of the 104 patients, 21 (20.2%) underwent a sleeve gastrectomy and 77 (74%) underwent a Roux-en-Y gastric bypass. The mean interval between the bariatric surgery and the abdominoplasty was 33.6 ± 26.9 months. The mean preoperative weight and body mass index were 76.1 ± 14.5 kg and 28.9 ± 4.5 kg/m2, respectively. A total complication rate of 20% was observed. The only factor significantly associated with postoperative morbidity was the associated procedure (P = .03), when we performed another procedure at the same time as the abdominoplasty. Complications included postoperative bleeding in 5 patients (4.8%), seromas in 5 patients (4.8%), surgical site infections in 12 patients (11.5%), and wound dehiscence or ischemia in 2 patients (1.9%). No mortality occurred.ConclusionAbdominoplasty can be safely performed in carefully selected patients older than 55 years old after weight loss surgery, and does not present increased morbidity or mortality. We recommend that surgeons avoid adding concomitant procedures when possible, to decrease the risk of complications. It is also important to look at the patient’s previous maximum BMI levels, as a higher maximum BMI can predict higher postoperative risks and longer hospital stays. 相似文献
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Since the discovery of acid-sensing ion channels in 1997, their importance in the health of neurons and other non-neuronal cells has gained significant importance. Acid-sensing ion channels play important roles in mediating pain sensation during diseases such as stroke, inflammation, arthritis, cancer, and recently migraine. More interestingly, acid-sensing ion channels may explain the sex differences in pain between males and females. Also, the ability of acid-sensing ion channel blockers to exert neuroprotective effects in a number of neurodegenerative diseases has added a new dimension to their therapeutic value. The current failure rate of ~45% of new drugs(due to toxicity issues) and saving of up to 7 years in the life span of drug approval makes drug repurposing a high priority. If acid-sensing ion channels' blockers undergo what is known as "drug repurposing", there is a great potential to bring them as medications with known safety profiles to new patient populations. However, the route of administration remains a big challenge due to their poor penetration of the blood brain and retinal barriers. In this review, the promise of using acid-sensing ion channel blockers as neuroprotective drugs is discussed. 相似文献
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Raya Saab MD Anas Obeid MD Fatiha Gachi MD Houda Boudiaf MD Lilit Sargsyan MD Khulood Al-Saad MD Tamar Javakhadze MD Azim Mehrvar MD Sawsan Sati Abbas MD Yasir Saadoon Abed Al-Agele MD Salma Al-Haddad MD Mouroge Hashim Al Ani MD Suleiman Al-Sweedan MD Amani Al Kofide MD Wasil Jastaniah MD Nisreen Khalifa MD Elie Bechara MD Malek Baassiri MD Peter Noun MD Jamila El-Houdzi MD Mohammed Khattab MD Krishna Sagar Sharma MD Yasser Wali MD Naureen Mushtaq MD Aliya Batool MD Mahwish Faizan MD Muhammad Rafie Raza MD Mohammad Najajreh MD Mohammed Awad Mohammed Abdallah MD Ghada Sousan MD Khaled M. Ghanem MD Ulker Kocak MD Tezer Kutluk MD Hacı Ahmet Demir MD Hamoud Hodeish MD Samar Muwakkit MD Asim Belgaumi MD Abdul-Hakim Al-Rawas MD Sima Jeha MD 《Cancer》2020,126(18):4235-4245
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