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排序方式: 共有115条查询结果,搜索用时 15 毫秒
1.
Terry?O?Herndon Salvador?Gonzalez TR?Gowrishankar R?Rox?Anderson James?C?WeaverEmail author 《BMC medicine》2004,2(1):12
Background
Painless, rapid, controlled, minimally invasive molecular transport across human skin for drug delivery and analyte acquisition is of widespread interest. Creation of microconduits through the stratum corneum and epidermis is achieved by stochastic scissioning events localized to typically 250 μm diameter areas of human skin in vivo. 相似文献2.
Benjamin F. Ricciardi Gowrishankar Muthukrishnan Elysia Masters Mark Ninomiya Charles C. Lee Edward M. Schwarz 《Current reviews in musculoskeletal medicine》2018,11(3):389-400
Purpose of Review
The incidence of complications from prosthetic joint infection (PJI) is increasing, and treatment failure remains high. We review the current literature with a focus on Staphylococcus aureus pathogenesis and biofilm, as well as treatment challenges, and novel therapeutic strategies.Recent Findings
S. aureus biofilm creates a favorable environment that increases antibiotic resistance, impairs host immunity, and increases tolerance to nutritional deprivation. Secreted proteins from bacterial cells within the biofilm and the quorum-sensing agr system contribute to immune evasion. Additional immunoevasive properties of S. aureus include the formation of staphylococcal abscess communities (SACs) and canalicular invasion. Novel approaches to target biofilm and increase resistance to implant colonization include novel antibiotic therapy, immunotherapy, and local implant treatments.Summary
Challenges remain given the diverse mechanisms developed by S. aureus to alter the host immune responses. Further understanding of these processes should provide novel therapeutic mechanisms to enhance eradication after PJI.3.
Usha Rani Poli P. D. Bidinger Swarnalata Gowrishankar 《Indian Journal of Community Medicine》2015,40(3):203-207
Cervical cancer continues to be a major public health problem in India in the absence of wide spread organised cervical screening programs. Visual inspection of the cervix with acetic acid (VIA) is an effective, inexpensive screening test that can be combined with simple treatment procedures for early cervical lesions, provided by trained health workers. We report 7 years experience in early detection of cervical cancer and pre-cancers using the VIA test in a community-based program in rural Andhra Pradesh, India where there are no existing organised cervical screening programs.
Materials and Methods:
Eligible women aged between 26 and 60 were opportunistically screened by trained health wor kers using the VIA test. Women who tested positive were further evaluated and those with cervical lesions were treated either by cryotherapy in the screening clinic or referred to a higher center.Results:
A total of 18,869 women were screened by a single round of VIA testing with a positive rate of 10.75%. Biopsy proven high-grade squamous intraepithelials (HSILs) were 90 (0.48%) and low-grade squamous intraepithelials (LSILs) were 43 (0.28%). The overall prevalence of cervical intraepithelial neoplasia (CIN) 2+ lesion rate is 1.05%. A total of 312 (1.65%) cryotherapies were done and 49 women underwent hysterectomy.Conclusions:
VIA by trained female health workers is a safe, acceptable, and effective test that can save lives from cervical cancer even in remote areas with few resources. These results have important implications for efficient service delivery in cervical screening programs in low-resourced settings. 相似文献4.
Gandham SriLakshmi Bhavani Hitesh Shah Ashwin B. Dalal Anju Shukla Sumita Danda Shagun Aggarwal Shubha R. Phadke Neerja Gupta Madhulika Kabra Kalpana Gowrishankar Anju Gupta Meenakshi Bhat Ratna D. Puri Sunita Bijarnia‐Mahay Sheela Nampoothiri Kavitha M. Mohanasundaram S. Rajeswari Akhil M. Kulkarni Muralidhar L. Kulkarni Prajnya Ranganath A. Radha Ramadevi Sankar V. Hariharan Katta Mohan Girisha 《American journal of medical genetics. Part A》2015,167(10):2481-2484
5.
6.
Fibrodysplasia ossificans progressiva 总被引:1,自引:0,他引:1
Subramanyam L Gowrishankar K Shivbalan S Balachandran A 《Indian journal of pediatrics》2004,71(6):563-564
A 2-year-old boy presented with low-grade fever and multiple progressive painful swellings over upper dorsal trunk and supraclavicular
region with progressive stiffening of skin for the last 2 months. Examination revealed dysmorphic face, proximally placed
thumb and bilateral hallux valgus. Hence, a diagnosis of Fibrodysplasia Ossificans Progressiva was entertained 相似文献
7.
Tacrolimus therapy in pediatric patients with treatment-resistant nephrotic syndrome 总被引:14,自引:6,他引:8
This is a retrospective analysis of 16 children started on tacrolimus with various types of treatment-resistant nephrotic syndrome. There are 13 patients with focal glomerulosclerosis, 1 minimal change disease, and 2 IgA nephropathy with nephrosis. The mean age of the children was 11.4 years (range 3.5–18.1 years) with a mean age at diagnosis of 5.6 years (range 1.6–13.3 years). All patients initially received prednisone 2 mg/kg per day. Other therapies for 15 of 16 included cyclosporine (n=15), chlorambucil (n=5), mycophenolate mofetil (n=5), levamisole (n=3), i.v. methylprednisolone (n=3), and cyclophosphamide (n=2). The major indication for the initiation of tacrolimus included treatment resistance/dependence (n=15) and intolerable side effects from other therapies (n=1). The average time from the diagnosis to initiation of tacrolimus was 5.3 years (range 0.3–13.3 years, median 6 years). The initial dosage of tacrolimus utilized was 0.1 mg/kg per day divided into two doses. The mean follow-up period was 6.5 months (range 2.5–18 months). Thirteen patients (81%) went into a complete remission within an average of 2 months (range 0.5–5.5 months), with 3 patients relapsing while on treatment. Three patients did not respond. Of these, 2 had partial remissions (13%) and 1 failed to respond. Adverse events included anemia (n=1), seizure (n=1), worsening or new-onset hypertension (n=5), and sepsis (n=1). All patients remain on tacrolimus. Tacrolimus is an effective, well-tolerated medication for treatment-resistant forms of nephrotic syndrome in children, with a complete remission rate of 81% and a partial remission rate of 13% (totaling 94%). 相似文献
8.
Esser AT Smith KC Gowrishankar TR Weaver JC 《Technology in cancer research & treatment》2007,6(4):261-274
Local and drug-free tissue treatment by irreversible electroporation (IRE) involves the creation of aqueous pores in a cell's plasma membrane (PM) and leads to non-thermal cell death by necrosis. To investigate explicit pore-based effects we use two-dimensional system models with different spatial scales. The first is a multicellular system model (spatial scale 100 mum) that has irregularly shaped cells, and quantitatively describes dynamic (creation and destruction, evolution in pore size) pore behavior at the PM. The second is a tissue model (spatial scale 200 mm) that is constructed from a unit cell and uses the asymptotic (fixed pore size) electroporation model. Both system models show that significant redistribution of fields and currents occurs through transient PM pores. Pore histograms for the multicellular model demonstrate the simultaneous presence of small and large pores during IRE pulses. The associated significant increase of PM permeability may prove to be essential to understanding how cell death by necrosis occurs. The averaged tissue conductivity in both models increases during IRE pulses because of electroporation. This leads to greater electrical dissipation (heating) and, thus, to larger temperature increases than suggested by tissue models with passive and static electrical properties. 相似文献
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10.
Anja Heinemann Carleen Cullinane Ricardo De Paoli-Iseppi James S. Wilmott Dilini Gunatilake Jason Madore Dario Strbenac Jean Y. Yang Kavitha Gowrishankar Jessamy C. Tiffen Rab K. Prinjha Nicholas Smithers Grant A. McArthur Peter Hersey Stuart J. Gallagher 《Oncotarget》2015,6(25):21507-21521
Histone acetylation marks have an important role in controlling gene expression and are removed by histone deacetylases (HDACs). These marks are read by bromodomain and extra-terminal (BET) proteins and novel inhibitiors of these proteins are currently in clinical development. Inhibitors of HDAC and BET proteins have individually been shown to cause apoptosis and reduce growth of melanoma cells. Here we show that combining the HDAC inhibitor LBH589 and BET inhibitor I-BET151 synergistically induce apoptosis of melanoma cells but not of melanocytes. Induction of apoptosis proceeded through the mitochondrial pathway, was caspase dependent and involved upregulation of the BH3 pro-apoptotic protein BIM. Analysis of signal pathways in melanoma cell lines resistant to BRAF inhibitors revealed that treatment with the combination strongly downregulated anti-apoptotic proteins and proteins in the AKT and Hippo/YAP signaling pathways. Xenograft studies showed that the combination of inhibitors was more effective than single drug treatment and confirmed upregulation of BIM and downregulation of XIAP as seen in vitro. These results support the combination of these two classes of epigenetic regulators in treatment of melanoma including those resistant to BRAF inhibitors. 相似文献