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RISS 인기검색어
- 검색키워드
- 저자 : Gayatri Rath (검색결과 3 건)
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Richa Tripathi,Gayatri Rath,Ranju Ralhan,Sunita Saxena,Sudha Salhan 연세대학교의과대학 2009 Yonsei medical journal Vol.50 No.5
Purpose: There is a paucity of information on the serum soluble vascular endothelial growth factor receptor-2 (sVEGFR-2) concentrations, membranous VEGFR-2 expression and the mechanism involved in their modulations during the clinical onset of pre-eclampsia. This cross-sectional study was conducted to evaluate the concentration of sVEGFR-2 in serum and to investigate the expression of membranous VEGFR-2 in placentae of pre-eclampsia group. Materials and Methods: The serum levels of sVEGFR-2 (n = 120) and the expression of membranous VEGFR-2 in placentae (n = 100) were analysed at third trimester of pregnancy by enzyme linked immunosorbent assay (ELISA) and immunohistochemistry respectively. The diagnostic parameters of sensitivity, specificity and association of soluble and membranous VEGFR-2 in these patients were evaluated. Results: The serum levels of sVEGFR-2 in pre-eclampsia patients were found to be significantly reduced (p = 0.01, p = 0.001) in early and late pre-eclamptic sub-groups as compared to their respective third trimester control sub-groups. Also, the receiver operating characteristic (ROC) curve analysis showed a cut-off value of 7350.4 pg/mL, higher sensitivity (76%) and specificity (76%) for sVEGFR-2 in late onset (> 34 weeks) pre-eclamptic group. Significant down-regulation of membranous VEGFR-2 immunoreactivity was observed in all the placental cells (p = 0.0001) at > 34 weeks preeclamptic group. Conclusion: The reduced serum levels of soluble VEGFR-2 and the down-regulated expression of membranous VEGFR-2 in the study group denoted abnormality in VEGF mediated placental function in all placental cells and thus VEGFR-2 may be a key factor, intimately associated with pre-eclampsia. This study shows the clinical utility of soluble and membranous VEGFR-2 in pre-eclampsia patients. Purpose: There is a paucity of information on the serum soluble vascular endothelial growth factor receptor-2 (sVEGFR-2) concentrations, membranous VEGFR-2 expression and the mechanism involved in their modulations during the clinical onset of pre-eclampsia. This cross-sectional study was conducted to evaluate the concentration of sVEGFR-2 in serum and to investigate the expression of membranous VEGFR-2 in placentae of pre-eclampsia group. Materials and Methods: The serum levels of sVEGFR-2 (n = 120) and the expression of membranous VEGFR-2 in placentae (n = 100) were analysed at third trimester of pregnancy by enzyme linked immunosorbent assay (ELISA) and immunohistochemistry respectively. The diagnostic parameters of sensitivity, specificity and association of soluble and membranous VEGFR-2 in these patients were evaluated. Results: The serum levels of sVEGFR-2 in pre-eclampsia patients were found to be significantly reduced (p = 0.01, p = 0.001) in early and late pre-eclamptic sub-groups as compared to their respective third trimester control sub-groups. Also, the receiver operating characteristic (ROC) curve analysis showed a cut-off value of 7350.4 pg/mL, higher sensitivity (76%) and specificity (76%) for sVEGFR-2 in late onset (> 34 weeks) pre-eclamptic group. Significant down-regulation of membranous VEGFR-2 immunoreactivity was observed in all the placental cells (p = 0.0001) at > 34 weeks preeclamptic group. Conclusion: The reduced serum levels of soluble VEGFR-2 and the down-regulated expression of membranous VEGFR-2 in the study group denoted abnormality in VEGF mediated placental function in all placental cells and thus VEGFR-2 may be a key factor, intimately associated with pre-eclampsia. This study shows the clinical utility of soluble and membranous VEGFR-2 in pre-eclampsia patients.
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Bipartite clavicular attachment of the sternocleidomastoid muscle: a case report
Vandana Mehta,Jyoti Arora,Ashwani Kumar,Ashish Kumar Nayar,Hitendra Kumar Ioh,Vanita Gupta,Rajesh Kuamr Suri,Gayatri Rath 대한해부학회 2012 Anatomy & Cell Biology Vol.45 No.1
Morphological variations of the sternocleidomastoid (SCM) muscle assume relevance during attempted surgical interventions in the cervical region. The present study reports bipartite clavicular attachment of the SCM in the neck of an adult male cadaver during performance of a routine anatomy demonstration. The anomaly was unilaterally observed on the left side of the neck. The clavicular head of the muscle exhibited two bellies, one medial and one lateral. While the medial belly was fused with the sternal head, the lateral belly appeared to blend with the medial. Cranially, the SCM attached to the mastoid process and superior nuchal line. We have attempted to elucidate the embryological basis of the above muscular variant. Additionally, we discuss its clinical relevance, highlighting the utility of the SCM in various reconstructive procedures. We assert that detailed anatomical knowledge of such SCM variants is of utility not only to the gross anatomist, but also for neck and orthopaedic surgeons and anaesthetists. Moreover, radiologists require familiarity with such aberrations to decipher magnetic resonance imaging scans of the cervical region.
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Unduly extensive uncinate process of pancreas in conjunction with pancreatico-duodenal fold
Swati Gandhi,Mona Sharma,Rohini Pakhiddey,Avinash Thakur,Vandana Mehta,Rajesh K. Suri,Gayatri Rath 대한해부학회 2015 Anatomy & Cell Biology Vol.48 No.1
Anatomical variations of pancreatic head and uncinate process are rarely encountered in clinical practice. These variations are primarily attributed to the complex development of the pancreas. An unduly enlarged uncinate process of the pancreas overlapping the third part of duodenum was discovered during dissection. This malformation of the pancreatic uncinate process was considered to be due to excessive fusion between the ventral and dorsal buds during embryonic development. On further dissection, an avascular pancreatico-duodenal fold guarding the pancreatico-duodenal recess was observed. The enlarged uncinate process can cause compression of neurovascular structures and also cause compression of adjoining viscera. The pancreatico-duodenal recess becomes a potential site for internal herniation. This case is of particular interest to the gastroenterologists and surgeons performing surgical resections. Precise knowledge of embryogenesis of such pancreatic anomalies is necessary for understanding and thus treating many diseases of the pancreas.
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