Publications by authors named "Zan A"

Background And Objective: Not everyone gets sick after an exposure to influenza A viruses (IAV). Although KLRD1 has been identified as a potential biomarker for influenza susceptibility, it remains unclear whether forecasting symptomatic flu infection based on pre-exposure host gene expression might be possible.

Method: To examine this hypothesis, we developed DeepFlu using the state-of-the-art deep learning approach on the human gene expression data infected with IAV subtype H1N1 or H3N2 viruses to forecast who would catch the flu prior to an exposure to IAV.

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Most of the colonic submucosal mesenchymal polyps are benign tumors. They are formed by more than one type of mesenchymal tissue. The diagnosis of angiolipofibroma depends on the histological findings with the proliferation of vascular, fatty, and fibrous connective tissues.

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Adipogenesis is the process of cell differentiation by which mesenchymal stem cells become adipocytes. Extensive research is ongoing to identify genes, their protein products, and microRNAs that correlate with fat cell development. The existing databases have focused on certain types of regulatory factors and interactions.

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The traditional products used to treat some pains can cause serious complications of which surgical abdomen. We listed in two years five cases of surgical abdomen complicating a traditional treatment in the service of digestive and general surgery of the hospital complex Yalgado Ouédraogo. There were two men and three women with an average age of 34,4 years.

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Mucormycosis is a rare but emerging fungal infection complicating solid organ transplantation (SOT), with a cumulative incidence of around 2% during the first year after SOT. The associated mortality rate is high, and surgical debridement is frequently required as part of the treatment along with antifungal therapy based mostly on amphotericin B formulations, We describe here an unusual case of hepatic mucormycosis in a liver transplant recipient that was successfully treated with clinical therapy based on liposomal amphotericin B followed by posaconazole, without surgical resection.

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The analysis of time-dependent fluorescence shifts of the bilayer probe 6-hexadecanoyl-2-(((2-(trimethylammonium)ethyl)methyl)amino)naphthalene chloride (Patman) offers valuable information on the hydration and dynamics of phospholipid headgroups. Quenching studies on vesicles composed of four phosphatidylcholines with different hydrocarbon chains (18:1c9/18:1c9, DOPC; 16:0/18:1c9, POPC; 18:1c9/16:0, OPPC; 18:1c6/18:1c6, PCDelta6) show that the chromophore of Patman is defined located at the level of the sn-1 ester-group in the phospholipid, which is invariant to the hydrocarbon chain. The so-called solvent relaxation (SR) approach as well as solid-state 2H NMR reveals that DOPC and PCDelta6 are more hydrated than POPC and OPPC.

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The lateral diffusion coefficients of a BODIPY tail-labeled lipid in two model systems, namely, free-standing giant unilamellar vesicles (GUVs) and supported phospholipid bilayers (SPBs), were determined by fluorescence correlation spectroscopy (FCS) using the Z-scan approach. For the first time, the performed measurements on 1,2-dioleoyl-sn-glycero-3-phosphocholine (DOPC) bilayers maintain exactly the same experimental conditions for both systems, which allows for a quantitative comparison of lipid diffusion in these two commonly used model membranes. The results obtained revealed that the lipid mobility in free-standing bilayers (D=7.

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This paper summarizes the 20 years of liver transplantation in Brazil, in the context of the Western world scenario. More than 5000 liver transplantations have been performed in the country since September 1, 1985. The living-donor liver transplantation, one of the landmarks in liver transplantation, was first described by our team in 1989.

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Objective: We present a case of clear cell sarcoma of the kidney (CCSK) in 53-year-old white man who was treated with surgery. This case represents the oldest patient with CCSK published in the English literature.

Methods: Right radical nephrectomy with lymphadenectomy and thrombectomy was performed.

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Short term follow up studies on transurethral electrovaporization (TUEVP) have shown a relative low morbidity over TURP. The use of high power current has been claimed as a source of possible damage on the neuronal structures surrounding the prostate. The aims of our study were to assess longer follow up results as well as the safety of this technique.

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Opsoclonus is a rare but distinctive disorder of ocular motility, characterized by irregular, continual and conjugated chaotic saccades of the eyes. It is increased with eye closure and fixation, and it persists during sleep. Opsoclonus appears more commonly in children and in half of such cases in association with neuroblastoma.

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The clinical and pathological findings in 94 patients with surgically confirmed renal neoplasm from 1990 to 1998 have been retrospectively reviewed and a literature review is made. The heterogeneous group of rare renal tumours has been particularly considered: renal oncocytoma and oncocytomatosis, renal angiomyolipoma and renal medullary fibroma; chromophobe renal cell carcinoma (RCC), papillary RCC, multiple primary malignant RCC, hereditary RCC, renal sarcoma and sarcomatoid RCC, renal malignant fibrous histiocytoma, renal hemangiopericytoma and renal lymphoma.

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A case of multiple adrenal metastases due to renal cells carcinoma, associated with a multifocal simultaneous renal cells carcinoma has been observed in a female patient previously submitted to radical contralateral nephrectomy for the same disease. In particular, stress is laid on computerized tomography scan diagnosis and surgical procedure.

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The principles of electrosurgery are based upon well defined physical grounds, explaining the type and extent of the lesions induced by the electric current. Technological evolution has led to the creation of dedicated equipment, allowing efficient use of electrosurgical cutting and coagulation of tissues, both in open and endoscopic surgery. Electrovaporization is the thermal effect obtained when an alternating high power-high frequency current (300 W, 400-500 kHz) is applied to the tissue using an electrode with particular geometric aspects.

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The authors present a case of renal agenesis and seminal vesicle cyst in a young man, diagnosed because of several micturion disorders partially cleared up with antibiotic therapy. We discuss about the diagnosis technique which includes Ultrasound Scanner, Computed Tomography, Magnetic Resonance and pelvic arteriography. Then we describe the surgical approach and finally we discuss about embryogenesis.

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A 57 year old man was admitted with left abdominal pain; radiological investigation showed a rupture of the left ureter. The authors discuss the diagnosis and the pathogenesis of ureteral rupture.

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The authors present the use of "Hemorrhage Occluder Pins" in pelvic urologic radical surgery, as a means of hemostasis for the retropubic venous plexus. The application technique and the bio-technological characteristics of the occluder pin are discussed.

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A young man presented with a little perineal mass that was found to be secondary to partial priapism of the proximal corpora cavernosa. This is a very rare condition with only 3 previously recorded cases in the urology literature. The patient made a good recovery and was able to resume sexual activity.

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The Authors present a case of retroperitoneal leiomyosarcoma, diagnosed because of the early symptomatic hydronephrosis due to the compression of the tumour on the lumbar ureter. Some general clinical aspects of retroperitoneal sarcomas are discussed too. In the case presented adjuvant therapy was not advised, because of the small volume of the tumour and the possibility of its complete excision.

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