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Molecular analysis is gold standard for diagnosis of synovial sarcoma (SS) but use of these ancillary techniques is limited by many practical issues like cost and limited resources. Several studies analyzed TLE1 as a diagnostic immunohistochemical marker for synovial sarcoma and few studies disagreed. The objective of the study was to evaluate immunohistochemical expression of TLE1 in synovial sarcoma and its histological mimics.
The study included a total of 63 cases; of which 28 were synovial sarcomas (SS) and 35 its histologic mimics. A tissue microarray was constructed from these cases and subjected to TLE immunostaining. Nuclear immunoreactivity of TLE1 was graded as 0, 1+, 2+ and 3+ based on intensity and percentage of cells.
All SS except one (27/28; 96.4%) were positive for TLE 1. These included 18 of monophasic spindle cell type (94.7%), 5 biphasic type (100%), followed by two each (100%) of poorly differentiated and calcifying type of SS. Of the other tumours 2 GISTs (50%), 2 haemangiopericytoma (66.7%), 2 schwannomas (50%) and one mesenchymal chondrosarcoma (33.3%) were positive for TLE1.
TLE 1 is a highly sensitive marker with reasonable specificity for synovial sarcoma. Awareness of TLE1 expression in other tumours, is important to avoid misdiagnosis.
TLE 1 is a highly sensitive marker with reasonable specificity for synovial sarcoma. Awareness of TLE1 expression in other tumours, is important to avoid misdiagnosis.
Multicentric Castleman's disease (MCD) is a rare lymphoproliferative disorder manifesting as multiple lymphadenopathy, multiorgan involvement, and inflammatory symptoms. This study aims at highlighting some unique features of MCD in Indian patients.
These 17 patients from review of 78 cases of Castleman's disease (CD) diagnosed. Besides routine tissue sections were stained for Human Herpes Virus 8 latency associated nuclear antigen (HHV8-LANA) by immunohistochemistry (IHC) and Epstein Barr virus latent membrane protein (EBV-LMP) or Epstein Barr Virus by in situ hybridization (EBER-ISH).
The cases included Plasma cell variant (11 cases), mixed MCD (4 cases) and two concurrent MCD with large B cell lymphoma in HIV positive patients. Median age of disease onset was 47 years and female predominance was seen. CK1-IN-2 Out of 15 MCD uncomplicated by lymphoma, 5 had POEMS (Polyneuropathy, organomegaly, endocrinopathy, myeloma protein, skin changes) and one also had TAFRO (Thrombocytopenia, anasarca, fever, marrow reticulin fibrosis, organomegaly, normal or slightly elevated immunoglobulin) syndrome. Out of 10 MCD without lymphoma, 2 cases showed few EBV positive large cells, both have features of POEMS. All 17 MCD cases were negative for HHV8-LANA IHC. Two HIV patients with MCD had large cell lymphoma, intrasinusoidal pattern, of which one was EBV positive. Though four relapses were seen, none died from disease. One of the two patients complicated by lymphoma died from disease.
Indian patients with MCD show female preponderance and are negative for HHV8 but show EBV positive cells. This makes a case for role of EBV in etiopathogenesis of MCD in India.
Indian patients with MCD show female preponderance and are negative for HHV8 but show EBV positive cells. This makes a case for role of EBV in etiopathogenesis of MCD in India.
Xanthoceraside is a component obtained in the husks of Xanthoceras sorbifolia Bunge. Series of researches proved that xanthoceraside had functions of anti-inflammation and anti-tumor effects. However, the mechanisms of xanthoceraside against bladder cancer are unclear. Accordingly, we proposed to investigate xanthoceraside's impacts and potential mechanisms in cells of bladder cancer.
By using the CCK-8 assay, we measured the viability of cells. With the use of 4,6-diamidino-2-phenylindole (DAPI) staining, we examined nuclear fragmentation and chromatin condensation in the nuclei of apoptotic cells. By using flow cytometry, we measured cell apoptosis. By using Western blotting, we tested the expressions of Caspase-9, Caspase-8, Caspase-3, Bcl-xL, P53, and PI3K/Akt/Bcl-2/Bax.
The proliferation of cell lines of human bladder cancer T24 and 5637 was suppressed by xanthoceraside significantly in a time- and concentration-dependent way. When cell lines 5637 and T24 were incubated as the xanthoceraside dose increased, the rates of cell apoptosis were upregulated, which was dependent on dose. According to further analysis, xanthoceraside induced apoptosis by upregulating Bax and downregulating the expression of Bcl-xL and Bcl-2. However, xanthoceraside did not change the expression of Caspase-9, Caspase-8, and Caspase-3. Interestingly, xanthoceraside also downregulated the expression of p-PI3K and p-Akt, and upregulated P53.
Xanthoceraside induces cell apoptosis through downregulation of the PI3K/Akt/Bcl-2/Bax signaling pathway in cell lines of human bladder cancer.
Xanthoceraside induces cell apoptosis through downregulation of the PI3K/Akt/Bcl-2/Bax signaling pathway in cell lines of human bladder cancer.
To explore the effects of maternal and fetal outcomes after different diagnostic timings of placenta accreta and its types.
We retrospectively collected the clinical information of 1178 pregnant women with placenta accreta in Fujian Maternity and Children Health Hospital from January 2012 to January 2017. According to the different diagnostic timings of placenta accreta, they were divided into groups of prenatal diagnosis and postpartum diagnosis; and according to the types of placenta accreta, they were divided into groups of accreta group, increta group, and percreta group.
1. Women with antenatal diagnosis more often had placenta previa and history of previous cesarean section. 2. Women with antenatal diagnosis had a higher rate in blood loss and blood transfusion. 3. The rate of blood loss, blood transfusion, infection,disseminated intravascular coagulation (DIC), secondary laparotomy, hysterectomy had statistically significant differences (P < 0.05) in different types of placenta accreta. The deeper of placenta accreta, the higher the incidence of complications.
It is important to pay attention for risk factors of the placenta accreta, then improve prenatal diagnostic rate of the placenta accreta and its types, which can forecast the severity of illness to improve maternal and fetal outcomes.
It is important to pay attention for risk factors of the placenta accreta, then improve prenatal diagnostic rate of the placenta accreta and its types, which can forecast the severity of illness to improve maternal and fetal outcomes.
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