Abstract:
:CD44 is a polymorphic family of immunologically related integral membrane glycoproteins associated with cell matrix adhesion, lymphocyte activation and targeting, and tumor growth and metastasis. We studied CD44 expression in 114 formalin-fixed paraffin-embedded thyroid tumors using the A3D8 anti-human CD44 monoclonal antibody. Sixty-five of 67 papillary carcinomas (97%) strongly expressed CD44 with an intense plasma membrane pattern. Thirty-seven of these cases originated from Albany, New York, and 30 cases from Russia. Immunoreactivity was also observed in 9 of 16 follicular adenomas (56%); 4 of 8 Hurthle cell neoplasms (50%); 5 of 15 medullary carcinomas (33%); and 3 of 8 follicular carcinomas (38%). These results show that among thyroid neoplasms, papillary carcinomas preferentially display the CD44 antigen (P < or = 0.001). Nonneoplastic follicular epithelium exhibited a low to moderate level of staining. To further characterize the CD44 isoform, we tested a subset of cases with the 2F10 anti-human CD44 variant 6 monoclonal antibody, which recognizes a CD44 variant exon (CD44v6) implicated in tumor metastasis. Eleven of 11 papillary carcinomas tested were 2F10 positive, and 1 of the follicular carcinomas was positive. These results suggest the hypothesis that deregulated CD44v6 expression on the plasma membrane of papillary carcinoma cells contributes to the ability of those cells to metastasize to regional lymph nodes and then to remain dormant for years. Our results suggest that human papillary thyroid cancer will be an interesting model in which to further study the role of CD44 isoforms, particularly those containing CD44v6, in tumor metastasis and lymphatic invasion.
journal_name
Exp Mol Patholjournal_title
Experimental and molecular pathologyauthors
Figge J,del Rosario AD,Gerasimov G,Dedov I,Bronstein M,Troshina K,Alexandrova G,Kallakury BV,Bui HX,Bratslavsky Gdoi
10.1006/exmp.1994.1037subject
Has Abstract,Author List Incompletepub_date
1994-12-01 00:00:00pages
203-11issue
3eissn
0014-4800issn
1096-0945pii
S0014480084710379journal_volume
61pub_type
杂志文章abstract::Selected estimates of lipid peroxidation were analyzed in mouse quadriceps femoris muscle immediately after submaximal prolonged (9 hr) and exhaustive maximal running (2-3 hr), and at intervals 1-10 days afterward during the exercise-induced myopathy. Immediately after the two types of exertion no significant changes ...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(83)90077-1
更新日期:1983-06-01 00:00:00
abstract::Ketamine is widely used both as anesthetic and abuse drug. In this study, we investigated the effects of a wide range of ketamine concentrations (100-500-1000 μM) on calcium mobilization and the induction of cell death in undifferentiated PC12 cells, 24 h after treatment. Calcium mobilization was measured as the perce...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2019.104318
更新日期:2019-12-01 00:00:00
abstract::Sulfur mustard (SM) is a bifunctional alkylating agent causing skin inflammation, edema and blistering. A hallmark of SM-induced toxicity is follicular and interfollicular epithelial damage. In the present studies we determined if SM-induced structural alterations in hair follicles and sebaceous glands were correlated...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2014.03.002
更新日期:2014-06-01 00:00:00
abstract::Tumor associated macrophages (TAMs) play an important role in the growth, progression, and metastasis of tumors. The distribution of TAMs in Kazakh esophageal squamous cell carcinoma (ESCC) is not determined. We aimed to investigate the role of TAMs in the occurrence and progression of Kazakh ESCC. CD163 was used as t...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2016.12.001
更新日期:2017-02-01 00:00:00
abstract::The purpose of this study was to better establish the morphologic basis of the early mucosal lesions of experimental inflammatory bowel disease because understanding the development of these lesions has important pathogenetic implications. Sprague-Dawley rats were given 1.5% hydrolyzed lambda-carrageenan orally for 30...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1006/exmp.1994.1011
更新日期:1994-04-01 00:00:00
abstract::Intrahepatic cholangiocarcinoma (ICC) is the second most common primary liver cancer next to hepatocellular carcinoma (HCC). Despite the significant difference of the therapeutic strategy for both diseases, their histological appearance may be very similar. Thus the correct diagnosis is crucial for treatment choice bu...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2014.04.002
更新日期:2014-06-01 00:00:00
abstract::We have previously shown that RGC-32 is involved in cell cycle regulation in vitro. To define the in vivo role of RGC-32, we generated RGC-32 knockout mice. These mice developed normally and did not spontaneously develop overt tumors. To assess the effect of RGC-32 deficiency on cell cycle activation in T cells, we de...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2015.03.011
更新日期:2015-06-01 00:00:00
abstract::We previously hypothesized that cytogenetic abnormalities precede morphological abnormalities in developing malignant conditions. In this context we evaluated additional cases to further confirm that hypothesis. We report on 2 additional cases in which clonal cytogenetic abnormalities were observed in otherwise morpho...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2012.10.003
更新日期:2013-02-01 00:00:00
abstract::In our previous study, we demonstrated that a peptide derived from the novel centrosome residing protein Cep55/c10orf3 can be targeted by the cytotoxic T lymphocytes (CTLs) in peripheral blood mononuclear cells (PBMCs) of breast carcinoma patients. In this report, we evaluated the feasibility of cancer immunotherapy u...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2010.10.001
更新日期:2011-02-01 00:00:00
abstract::The influence of Kupffer cells (KC) from normal, D-galactosamine- and thioacetamide-injured liver on the growth of rat liver fat-storing cells (FSC) in culture was studied. The supplementation of FSC incubation medium with normal and galactosamine-KC-conditioned media for 4 days caused 1.5- and 1.9-fold increase (P le...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(88)90023-8
更新日期:1988-08-01 00:00:00
abstract::Cell death caused by the accumulation of extracellular adenosine is believed to contribute to the profound loss of T lymphocytes in patients with severe combined immunodeficiency disease due to adenosine deaminase deficiency. Although adenosine is known to trigger apoptosis in thymocytes and peripheral T cells, the mo...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2005.08.001
更新日期:2005-12-01 00:00:00
abstract::One of the main mechanisms for multidrug resistance (MDR) involves multidrug resistance gene 1 (MDR1) which encodes P-glycoprotein (Pgp). Pgp acts as a drug efflux pump and exports chemotherapeutic agents from cancer cells. Specific inhibition of Pgp expression by gene therapy is considered a well-respective strategy ...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2013.03.004
更新日期:2013-06-01 00:00:00
abstract::5-Azacytidine (AZC) was studied in a lung cancer model in outbred and syngeneic (F1D) hamsters wherein benzol[a]pyrene (BP) from sustained release implants (SRI) induces preneoplastic mucosal changes which progress to bronchogenic cancer. In pilot studies to evaluate AZC toxicity, a dose schedule of 5 mg/kg biweekly w...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(90)90022-6
更新日期:1990-08-01 00:00:00
abstract::Antigen-specific CD8 suppressor T cells (CD8(+) Ts) are adaptive regulatory T cells that are induced in vivo and in vitro by chronic antigenic stimulation of human T cells. CD8(+) Ts induce the upregulation of the inhibitory receptors ILT3 and ILT4 on monocytes and dendritic cells rendering these antigen presenting ce...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2012.09.011
更新日期:2012-12-01 00:00:00
abstract::As the fifth most common cancer and the second leading cause of cancer related deaths worldwide, hepatocellular carcinoma (HCC) causes up to one million deaths annually. Alcoholic steatohepatitis (ASH) and non-alcoholic steatohepatitis (NASH) are becoming the two major risk factors because both may develop liver fibro...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2019.04.002
更新日期:2019-06-01 00:00:00
abstract::Ischemia has elicited a great deal of interest among the scientific community due to its role in life-threatening pathologies such as cancer, stroke, acute renal failure, and myocardial infarction. Oxygen deprivation (hypoxia) associated with ischemia has recently become a subject of intense scrutiny. New investigator...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章,评审
doi:10.1016/j.yexmp.2007.03.002
更新日期:2007-10-01 00:00:00
abstract:OBJECTIVE:The aim of the study is to determine the frequency and functionality of blood conventional dendritic cells (cDCs) in relation to disease activity in systemic lupus erythematosus. METHODS:Blood cDCs were enumerated for 34 SLE patients, defined as "active" (SLEDAI ≥ 4) or "inactive" (SLEDAI < 4), 26 RA subject...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2013.06.003
更新日期:2013-10-01 00:00:00
abstract::In the present study, BALB/c mice were used to develop a model for the hepatic injury associated to dengue infection. Histological analysis after subcutaneous inoculation with a low viral dose of dengue-2 virus showed Kupffer cell hyperplasia and an increased inflammatory cellular infiltrate next to the bile ducts on ...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2010.07.007
更新日期:2010-12-01 00:00:00
abstract::Myocardial ischemia-reperfusion (I/R) injury severely impacts the postoperative survival rate of coronary atherosclerotic heart disease. Radioprotective 105 kDa protein (RP105) is a regulator of Toll-like receptor 4 (TLR4), an inflammatory factor whose functions have been reported in myocardial I/R injury. To investig...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2015.12.016
更新日期:2016-04-01 00:00:00
abstract::To investigate whether aberrant hypermethylation in plasma DNA could be used as diagnosis makers for hepatocellular carcinoma (HCC), we performed methylation-specific PCR (MSP) to check the methylation status of five tumor associated genes in 36 cases of tissue and 42 cases of plasma samples from HCC and liver cirrhos...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2008.07.001
更新日期:2008-10-01 00:00:00
abstract::The effects of chronic treatment with isoproterenol, reserpine, prenalterol, and terbutaline on rat parotid gland were investigated by electron microscopy and X-ray microanalysis. Chronic isoproterenol treatment induced lower potassium and calcium concentrations in the acinar cells. The cells were enlarged and contain...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(84)90024-8
更新日期:1984-12-01 00:00:00
abstract::Myelofibrosis is characterized by reticulin and/or collagen fibrosis in the bone marrow stroma resulting in secondary cytopenia. In addition to clonal hematologic neoplasms, myelofibrosis may also develop in association with other clinical conditions, including hematological disorders, solid malignancies, Down syndrom...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2014.07.004
更新日期:2014-10-01 00:00:00
abstract::The intracellular distribution of lipid shifts from cytoplasmic to lysosomal localization during the progression of atherosclerosis. It has been suggested that this shift may relate to regressability of lesions. The effects of reducing plasma cholesterol on the regression of early cholesterol-induced atherosclerosis w...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(90)90046-g
更新日期:1990-12-01 00:00:00
abstract::Dendritic cells (DCs) are a subset of antigen-presenting cells (APCs) that are involved in the initiation and control of the immune response to antigens present at the interface with the environment. A limited number of groups have studied DCs in human and animal conjunctiva but no data is available concerning the dif...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2007.04.007
更新日期:2007-10-01 00:00:00
abstract::Several laboratories have recently reported on the structural and functional characteristics of an LDL fraction isolated from atherosclerotic lesions, designated A-LDL. Given the wide variety of tissue sources and isolation conditions that have been employed, we have addressed whether several procedures currently used...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(91)90045-y
更新日期:1991-02-01 00:00:00
abstract::Male rats fed a 3 g/kg copper diet were killed sequentially up to 14 weeks. Copper in liver and kidney cortex was identified histochemically and assayed in homogenates and gradient fractions following analytical subcellular fractionation on reorientating sucrose density gradients. Copper accumulated fastest in the liv...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(85)90041-3
更新日期:1985-10-01 00:00:00
abstract::Using intact anesthetized rabbits and isolated perfused hearts, the hemodynamic and electrophysiological effects of mercury (Hg) were examined in order to assess the role of cardiovascular dysfunction in Hg intoxication. The most consistent and prominent cardiovascular effect was a significant reduction in blood press...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/0014-4800(89)90038-5
更新日期:1989-06-01 00:00:00
abstract::Previous studies demonstrated that more electronegative low density lipoprotein (LDL) isolated from human blood by ion exchange chromatography has a chemical composition and physical properties similar to desialylated LDL obtained by lectin chromatography (Avogaro et al., 1988; Orekhov et al., 1989). In this study, si...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1006/exmp.1995.1018
更新日期:1995-06-01 00:00:00
abstract::The N-methyl-D-aspartate receptor (NMDAR), which is one of the glutamate receptors, is considered to have a close relationship to synaptic plasticity in the developing brain. In addition, it is known that the excessive stimulation of NMDARs can trigger neuronal apoptosis. In this study, we examined the distribution of...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/s0014-4800(03)00030-3
更新日期:2003-08-01 00:00:00
abstract::We investigated the protein carbonylation of red blood cell (RBC) membrane in type 2 diabetic patients and the potential implication of carbonyl/oxidative stress in reflecting disease severity. Sixty-four diabetic patients with or without retinopathy of variable clinical severity (Groups DR and DM, respectively) and 2...
journal_title:Experimental and molecular pathology
pub_type: 杂志文章
doi:10.1016/j.yexmp.2009.04.001
更新日期:2009-08-01 00:00:00