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RISS 인기검색어
- 검색키워드
- 저자 : ( Swati Ghosh ) (검색결과 5 건)
- 무료
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Swati Dasgupta,Ujjal K Ray,Arpita Ghosh Mitra,Deboshree M. Bhattacharyya,Ashis Mukhopadhyay,Priyabrata Das,Sudeshna Gangopadhyay,Sudip Roy,Soma Mukhopadhyay 대한혈액학회 2017 Blood Research Vol.51 No.2
Background: Philadelphia chromosome, a hallmark of chronic myeloid leukemia (CML), plays a key role in disease pathogenesis. It reflects a balanced reciprocal translocation between long arms of chromosomes 9 and 22 involving BCR and ABL1 genes, respectively. An accurate and reliable detection of BCR-ABL fusion gene is necessary for the diagnosis and monitor-ing of CML. Previously, many technologies, most of which are laborious and time consum-ing, have been developed to detect BCR-ABL chimeric gene or chromosome. Methods: A new flow cytometric immunobead assay was used for detection of BCR-ABL fusion pro-teins and applicability, sensitivity, reliability, efficacy and rapidity of this method was evaluated. Results: From February 2009 to January 2014, a total 648 CML patients were investigated for the status of BCR-ABL1 protein. Among them, 83 patients were enrolled for comparative study of BCR-ABL1 positivity by three routinely used procedures like karyotyping, and quantita-tive real time PCR (RT-PCR) as well as immunobead flow cytometry assay. BCR-ABL protein analysis was found consistent, more sensitive (17% greater sensitivity) and reliable than the conventional cytogenetics, as flow cytometry showed 95% concordance rate to RT-PCR. Conclusion: BCR-ABL fusion protein assay using a new flow cytometric immunobead might be useful in the diagnosis and monitoring CML patients.
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Swati Dasgupta,Ujjal K Ray,Arpita Ghosh Mitra,Deboshree M. Bhattacharyya,Ashis Mukhopadhyay,Priyabrata Das,Sudeshna Gangopadhyay,Sudip Roy,Soma Mukhopadhyay 대한혈액학회 2017 Blood Research Vol.52 No.2
Background: Philadelphia chromosome, a hallmark of chronic myeloid leukemia (CML), plays a key role in disease pathogenesis. It reflects a balanced reciprocal translocation between long arms of chromosomes 9 and 22 involving BCR and ABL1 genes, respectively. An accurate and reliable detection of BCR-ABL fusion gene is necessary for the diagnosis and monitor-ing of CML. Previously, many technologies, most of which are laborious and time consum-ing, have been developed to detect BCR-ABL chimeric gene or chromosome. Methods: A new flow cytometric immunobead assay was used for detection of BCR-ABL fusion pro-teins and applicability, sensitivity, reliability, efficacy and rapidity of this method was evaluated. Results: From February 2009 to January 2014, a total 648 CML patients were investigated for the status of BCR-ABL1 protein. Among them, 83 patients were enrolled for comparative study of BCR-ABL1 positivity by three routinely used procedures like karyotyping, and quantita-tive real time PCR (RT-PCR) as well as immunobead flow cytometry assay. BCR-ABL protein analysis was found consistent, more sensitive (17% greater sensitivity) and reliable than the conventional cytogenetics, as flow cytometry showed 95% concordance rate to RT-PCR. Conclusion: BCR-ABL fusion protein assay using a new flow cytometric immunobead might be useful in the diagnosis and monitoring CML patients.
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The current approach to the diagnosis of vascular anomalies of the head and neck: A pictorial essay
Sinny Goel,Swati Gupta,Aarti Singh,Anjali Prakash,Sujoy Ghosh,Poonam Narang,Sunita Gupta 대한영상치의학회 2015 Imaging Science in Dentistry Vol.45 No.2
Throughout the years, various classifications have evolved for the diagnosis of vascular anomalies. However, it remains difficult to classify a number of such lesions. Because all hemangiomas were previously considered to involute, if a lesion with imaging and clinical characteristics of hemangioma does not involute, then there is no subclass in which to classify such a lesion, as reported in one of our cases. The recent classification proposed by the International Society for the Study of Vascular Anomalies (ISSVA, 2014) has solved this problem by including non-involuting and partially involuting hemangioma in the classification. We present here five cases of vascular anomalies and discuss their diagnosis in accordance with the ISSVA (2014) classification. A non-involuting lesion should not always be diagnosed as a vascular malformation. A non-involuting lesion can be either a hemangioma or a vascular malformation depending upon its clinicopathologic and imaging characteristics.
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The current approach to the diagnosis of vascular anomalies of the head and neck: A pictorial essay
Goel, Sinny,Gupta, Swati,Singh, Aarti,Prakash, Anjali,Ghosh, Sujoy,Narang, Poonam,Gupta, Sunita Korean Academy of Oral and Maxillofacial Radiology 2015 Imaging Science in Dentistry Vol.45 No.2
Throughout the years, various classifications have evolved for the diagnosis of vascular anomalies. However, it remains difficult to classify a number of such lesions. Because all hemangiomas were previously considered to involute, if a lesion with imaging and clinical characteristics of hemangioma does not involute, then there is no subclass in which to classify such a lesion, as reported in one of our cases. The recent classification proposed by the International Society for the Study of Vascular Anomalies (ISSVA, 2014) has solved this problem by including non-involuting and partially involuting hemangioma in the classification. We present here five cases of vascular anomalies and discuss their diagnosis in accordance with the ISSVA (2014) classification. A non-involuting lesion should not always be diagnosed as a vascular malformation. A non-involuting lesion can be either a hemangioma or a vascular malformation depending upon its clinicopathologic and imaging characteristics.
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Gluconeogenic signals regulate hepcidin gene expression via a CRBN-KLF15 axis
( Jeong-rang Jo ),( Sung-eun Lee ),( Seungwon An ),( Balachandar Nedumaran ),( Swati Ghosh ),( Keun-gyu Park ),( Yong Deuk Kim ) 생화학분자생물학회(구 한국생화학분자생물학회) 2021 BMB Reports Vol.54 No.4
Hepcidin (HAMP) is synthesized in the liver. It is a key ironregulatory hormone that controls systemic iron homeostasis. Cereblon (CRBN) and Kruppel-like factor 15 (KLF15) are known to regulate diverse physiological functions. In this study, we investigated the role of CRBN on hepatic hepcidin gene expression and production under gluconeogenic stimuli. Fasted mice as well as forskolin (FSK)- and glucagon (GLU)-treated mice had reduced serum iron levels but increased expression levels of hepatic Crbn and Klf15 and hepcidin secretion. MicroRNA (miRNA) expression analysis of fasted and Ad-Crbninfected mice revealed significant reduction of microRNA-639 (miR-639). Hepatic overexpression of Crbn elevated hepcidin expression and production along with Klf15 gene expression, whereas knockdown of Crbn and Klf15 markedly decreased FSK- and fasting-mediated induction of hepcidin gene expression and its biosynthesis in mouse livers and primary hepatocytes. Moreover, expression of KLF15 significantly increased the activity of hepcidin reporter gene. It was exclusively dependent on the KLF15-binding site identified within the hepcidin gene promoter. Overall, this study demonstrates that CRBN and KLF15 are novel mediators of gluconeogenic signal-induced hepcidin gene expression and production. Thus, CRBN and KLF15 might be novel potential therapeutic targets to intervene metabolic dysfunction. [BMB Reports 2021; 54(4): 221-226]
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