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1.
Foreign body in the nasolacrimal duct is extremely rare. We present a case of foreign body of nasolacrimal duct responsible for recurrent dacryocystitis which was removed with the help of an endoscope. 相似文献
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A novel topical clofazimine (CLO) gel formulation containing liposomally encapsulated CLO, was prepared and investigated in vitro followed by a clinical evaluation. CLO liposomes were prepared by the lipid film hydration technique. Comparative in vitro diffusion studies were conducted with plain and liposomal CLO in HPMC K4M gel base (2% and 5%) using human cadaver skin (HCS). A double blind clinical study was conducted on eight leprosy patients. The results of these studies show that the new liposomal topical gel formulation not only prolongs the drug release but also promotes drug retention by the skin. Studies further support formation of a reservoir of drug on the skin modifying therapeutic efficacy of the formulation. The new liposomal gel formulation of CLO considerably reduces the healing time of external lesions due to a significantly prolonged skin residence time compared to plain CLO gel and hence is expected to reduce the time needed for leprosy treatment. 相似文献
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Auffray I Marfatia S de Jong K Lee G Huang CH Paszty C Tanner MJ Mohandas N Chasis JA 《Blood》2001,97(9):2872-2878
Band 3 and glycophorin A (GPA) are the 2 most abundant integral proteins in the human erythrocyte membrane. Earlier studies suggested that the 2 proteins may associate not only in the mature erythrocyte membrane, but also during their posttranslational processing and intracellular trafficking. The purpose of this study was to directly examine the GPA-band 3 interaction in vivo and determine the nature of this association during erythroid membrane biogenesis. Transgenic mice were generated expressing the human glycophorin A gene and were used to examine how the induction of human GPA expression affected the levels of murine GPA and band 3 expression in the red cell membrane. Murine GPA expression was reduced in erythrocytes expressing human GPA, whereas the level of band 3 expression remained constant, implying a tight coupling of band 3 and GPA expression in the membrane of mature red cells. In vivo GPA dimerization was not modulated solely by the GPA transmembrane motif, but the distance between this motif and the basic residues on the cytoplasmic side of the transmembrane domain may also be important. In addition, GPA monomers with varying degrees of glycosylation dimerized, providing clear evidence that carbohydrate structures on the extracellular domain do not affect dimerization. The association between the multiple transmembrane-spanning protein, band 3, and the single transmembrane-spanning sialoglycoprotein, GPA, may serve as a model for interactions of other multi-pass and single-pass polypeptides during membrane biogenesis. 相似文献
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Renuka Kulkarni Urmila Thatte Vaishali Shinde Shalaka Dharadhar Olga Popova Hoshang Vakil 《Current therapeutic research》2004,65(1):47-56
Background: The current recommendation of the manufacturer for administering purified chick embryo cell rabies vaccine (PCECV) is to reconstitute the contents with 1.0 mL of water for injection (WFI). However, it has been debated whether a lower volume of WFI (0.5 mL) is likely to cause less pain.Objectives: The aims of this study were to compare the tolerability of PCECV administered IM at a volume of 0.5 mL versus 1.0 mL of diluent and to determine the immunogenicity of the vaccine when administered according to the World Health Organization-recommended preexposure prophylaxis regimen for rabies immunization.Methods: This comparative, intraindividual, assessor-blind study was conducted at the Department of Clinical Pharmacology, Topiwala National Medical College and Bai Yamunabai Laxman Nair Charitable Hospital Mumbai, India). Healthy volunteers aged 18 to 50 years received, by randomized sequence, 3 IM injections of PCECV, diluted in 0.5 mL or 1.0 mL of WFI, on study days 0, 7, and 28. Tolerability was assessed at 30 minutes and 24 hours after injection and included assessments for local and systemic reactions. For immunogenicity assessment, rabies virus-neutralizing antibody 0RVNA) titers were assayed at baseline and on day 49 (ie, 3 weeks after the third injection).Results: Twenty-six subjects (24 men, 2 women; mean [SD] age, 22.4 [2.4] years; mean [SD] body weight, 59.0 [11.3] kg) entered the study. Twenty-five subjects were included in the tolerability assessment; 24 in the immunogenicity assessment. No statistically significant differences were found between dilutions in the frequency of local and systemic reactions. Most reactions were mild. All subjects developed RVNA titers >0.5 IU/mL (indicative of protection) by day 49.Conclusions: In this population of healthy volunteers, a full antigenic dose of PCECV in a dilution of 0.5 mL WFI is as well tolerated locally and systemically as in a dilution of 1.0 mL. All subjects developed levels of RVNA far exceeding 0.5 IU/mL, which is indicative of protection against rabies. 相似文献
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P T Marfatia 《Eye, ear, nose & throat monthly》1967,46(8):1042-1043
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Jayawardena S Sooriabalan D Indulkar S Kim HH Matin A Maini A 《American journal of therapeutics》2006,13(5):458-459
Astrocytomas are central nervous system neoplasms, which are derived predominately from astrocytes. On the basis of the histopathologic characteristics astrocytomas are graded from I to IV. The cells that demonstrate the greatest degree of anaplasia are used to determine the histologic grade of the tumor. The mean age of survival are approximately 10 years from the time of diagnosis for pilocystic astrocytomas (World Health Organization grade I), more than 5 years for patients with low-grade diffuse astrocytomas (WHO grade II), 2 to 5 years for those with anaplastic astrocytomas (WHO grade III), and less than 1 year for patients with glioblastoma (WHO grade IV). The treatment is a combination of surgery, radiation, and chemotherapy depending of the grade of astrocytoma. We present a case of 31-year-old man with grade III astrocytoma with subsequent chronic myelogenous leukemia treated with imatinib mesylate as part of his chronic myelogenous leukemia treatment failing to show recurrence of the astrocytoma 10 years after standard treatment for astrocytoma. 相似文献