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Lucknow, India

Shrivastava A.,Canadian Department of National Defence | Waqar Beg M.,Dr.Begs Child Care | Gujrati C.,Krishna Medical Center | Gopalan N.,Canadian Department of National Defence | Rao P.V.L.,Canadian Department of National Defence
Indian Journal of Pediatrics | Year: 2011

Chikungunya is an arthropod-borne acute viral disease caused by Chikungunya virus (CHIKV).In this report the vertical transmission of CHIKV is reported in a neonate. Molecular diagnostic technique plays an important role in patient management and disease control. Thrombocytopenia was found to be a major hematological parameter which should be treated at early stage to prevent hemorrhagic manifestations. © 2011 Dr. K C Chaudhuri Foundation. Source


Pandey S.,Krishna Medical Center | Pandey S.,University of Texas Medical Branch | Pandey S.,Creighton University | Chandravati,Krishna Medical Center
Molecular Biology Reports | Year: 2013

Wnts are secreted glycoproteins implicated in biological processes ranging from embryonic cardiac development to uncontrolled cell proliferation in diseased conditions. Cardiovascular disease is a major cause of morbidity and mortality worldwide. Phenotypic modulation of vascular smooth muscle cells, migration and proliferation in intimal layer and increased extracellular matrix production are some of the known hallmarks of cardiovascular pathologies. Heterogeneity associated with the binding of Wnts to their transmembrane receptors, Frizzled, and coreceptors low density lipoprotein-receptorrelated protein is indeed intriguing. Nuclear-cytoplasmic shuttling of beta-catenin and activation of transcriptional factors, lymphoid enhancer factor and T cell activation factor leading to target gene activation has remained elusive. Our review highlights the emerging role of Wnt- Frizzled signaling in cardiovascular diseases. Overall, the pathway appears to be an attractive therapeutic target in identifying susceptible individuals at risk of developing restenosis/other vascular pathologies in the near future.© Springer Science+Business Media Dordrecht 2013. Source


Pandey S.,Krishna Medical Center | Pandey S.,University of Texas Medical Branch | Pandey S.,Creighton University | Chandravati,Krishna Medical Center
Molecular Biology Reports | Year: 2014

Cardiovascular disease is a leading cause of morbidity and mortality in United States, including Nebraska. Neointimal hyperplasia leading to restenosis is a major public health problem. Identification of key signaling molecules in biochemical pathways is an attractive strategy for development of predictive biomarkers in occlusive vascular diseases (OVD). Our pilot study aimed to identify the role of Wnt-frizzled signaling in restenosis in a North American cohort. North American patients (n = 9) undergoing coronary artery bypass graft surgery at Nebraska Heart Institute, Lincoln, were enrolled. Human saphenous veins (SV) (n = 9) and left internal mammary arteries (LIMA) (n = 9) received post-surgery at Creighton University, Omaha, were harvested using Collagenase-IV digestion method. Isolated primary VSMCs were cultured for 3-4 weeks, and passages P3-P7, were used for molecular biology experiments. The study was approved by the Institutional Review Board. RNA was extracted using trizol method and mRNA transcripts were identified using reverse transcriptase- polymerase chain reaction followed by 2 % agarose gel electrophoresis. Mean age of surgery patients (n = 9) was 60.3 years (SD ± 6.5 years). Wnt2 and Wnt5a mRNA transcripts were expressed in human VSMCs; however, Wnt1, Wnt4 and Wnt11 mRNA were not expressed; beta-actin was used as an internal control. Receptor studies demonstrated the expression of Fzd1, Fzd2 and Fzd5 mRNA in hVSMCs. Our preliminary data implicates the public health significance of Wnt signaling in bypass graft patients in Nebraska. Future molecular biology approach-based community health studies targeting Wnt pathway may aid in the development of cost-effective predictive biomarkers for OVD susceptible populations. © 2014 Springer Science+Business Media. Source


Pandey S.,Krishna Medical Center | Chandravati,Krishna Medical Center
Asian Pacific Journal of Cancer Prevention | Year: 2013

Objectives: Breast cancer is a leading cause of morbidity and mortality in women worldwide. Breast screening in normal and/or asymptomatic women is essential to reduce the burden of breast malignancies. Our study aimed to identify possible risk- and/or co-factors associated with breast screening in North Indian women. Methods: A public health research survey was conducted among 100 women of North Indian ethnicity during clinic visits in a 6-month timeline (April-October 2012). Demographic and clinical data, including mammography screening, were recorded in the questionnaire-based proforma after conducting a 10 minute interview. Written informed consent was taken from all the participants. Results: The mean age of the participants was 32.2±9.9 years. Out of 100 women, 6% had family history of breast disease. Breast-related complaints/malignancy, including galactorrhoea, mastitis, axillary lump, fibrocystic disease, fibroadenosis and adenocarcinoma were observed in 41% participants; age stratification revealed that 82.9% of this group (n=41) were <30 years, while 9.7% and 7.3% were >30 years and 30 years of age, respectively. 32% participants underwent mammography screening and 8% had breast ultrasound imaging. Age stratification in the mammography screening group demonstrated that 24 women were <40 years, while 7 women were >40 years. Conclusions: Our pilot study identified possible co-factors affecting breast screening in North Indian women. These findings may be beneficial in early detection of breast abnormalities, including malignancies in women susceptible to breast cancer, and thus aid in future design of cost-effective screening strategies to reduce the increasing burden of breast carcinoma in women worldwide. Source

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