Aged ; Back ; pathology ; CD57 Antigens ; metabolism ; Chondrosarcoma ; metabolism ; pathology ; Diagnosis, Differential ; Fibroma, Ossifying ; metabolism ; pathology ; Humans ; Male ; Phosphopyruvate Hydratase ; metabolism ; S100 Proteins ; metabolism ; Soft Tissue Neoplasms ; metabolism ; pathology

CD57 (synonyms: Leu-7, HNK-1) is a well-known marker of nerve elements including the conductive system of the heart, as well as natural killer cells. In lung specimens from 12 human fetuses at 10–34 weeks of gestation, we have found incidentally that segmental, subsegmental, and more peripheral arteries strongly expressed CD57. Capillaries near developing alveoli were often or sometimes positive. The CD57-positive tissue elements within intrapulmonary arteries seemed to be the endothelium, internal elastic lamina, and smooth muscle layer, which corresponded to tissue positive for a DAKO antibody reactive with smooth muscle actin we used. However, the lobar artery and pulmonary arterial trunk as well as bronchial arteries were negative. Likewise, arteries in and along any abdominal viscera, as well as the heart, thymus, and thyroid, did not express CD57. Thus, the lung-specific CD57 reactivity was not connected with either of an endodermal- or a branchial arch-origin. CD57 antigen is a sugar chain characterized by a sulfated glucuronic acid residue that is likely to exist in some glycosphingolipids. Therefore, a chemical affinity or an interaction might exist between CD57-positive arterioles and glycosphingolipids originating from alveoli, resulting in acceleration of capillary budding to make contact with the alveolar wall. CD57 might therefore be a functional marker of the developing air-blood interface that characterizes the fetal lung at the canalicular stage.
Acceleration ; Actins ; Antigens, CD57 ; Arteries* ; Arterioles ; Bronchial Arteries ; Capillaries ; Endothelium ; Fetus ; Glucuronic Acid ; Glycosphingolipids ; Heart ; Humans* ; Killer Cells, Natural ; Lung* ; Muscle, Smooth ; Pregnancy ; Thymus Gland ; Thyroid Gland ; Viscera

OBJECTIVETo investigate the local cellular immune response after injection of superantigen, the highly agglutinative staphylococin (HAS), into the tumor bed after ultrasound-guided percutaneous microwave coagulation therapy (PMCT) in the liver cancer patients.

METHODSNinety-two patients with pathologically proven primary liver cancer were divided into two groups: 45 in group A were treated by PMCT alone and 47 in the group B by combined with ultrasound-guided percutaneous injection of highly agglutinative staphylococin (HAS). Before and after PMCT and HAS treatment, the patients underwent ultrasound-guided percutaneous biopsy from the tumor bed and the samples were examined by pathology and immunohistochemistry. The infiltration of CD3+, CD4+, CD57+ and CD68+ lymphocytes in treatment zone was compared between the two groups. Moreover, the infiltrating immunocytes were observed by transmission electron microscopy.

RESULTSOne week after HAS injection, the densities of CD3+, CD4+, CD57+ and CD68+ cells in the group B were 54.50 +/- 18.44, 38.14 +/- 12.44, 33.38 +/- 10.79 and 45.56 +/- 16.53, respectively. All the above mentioned parameters increased significantly in varying degrees compared with that before PMCT or HAS injection (P < 0.05). Four weeks after HAS injection, the density of CD3+, CD4+, CD57+ and CD68+ cells in the group B were 32.67 +/- 10.42, 23.43 +/- 6.99, 18.63 +/- 7.89 and 30.01 +/- 11.05, respectively, still significantly higher than those before PMCT (P < 0.05). Five weeks after PMCT and HAS injection, the densities of CD3+, CD4+, CD57+ and CD68+ cells in the group B were 54.50 +/- 18.44, 38.14 +/- 12.44, 33.38 +/- 10.79 and 45.56 +/- 16.53, versus 32.03 +/- 8.11, 15.67 +/- 8.32, 15.23 +/- 8.26 and 29.67 +/- 11.98 in the group A, respectively, still with a significant difference between the two groups (P < 0.05). A lot of lysosomes, endoplasmic reticulum and mitochondria in the immune cells after injection of HAS were observed by transmission electron microscopy.

CONCLUSIONThe local cellular immunity in liver cancer treatment area can be significantly improved by ultrasound-guided injection of highly agglutinative staphylococin after percutaneous microwave coagulation therapy.

Adult ; Aged ; Antigens, CD ; immunology ; Antigens, Differentiation, Myelomonocytic ; immunology ; CD3 Complex ; immunology ; CD4 Antigens ; immunology ; CD57 Antigens ; immunology ; Electrocoagulation ; methods ; Female ; Humans ; Liver Neoplasms ; pathology ; therapy ; Male ; Microwaves ; therapeutic use ; Middle Aged ; Superantigens ; therapeutic use ; T-Lymphocytes ; immunology

Aged ; Antigens, CD20 ; metabolism ; CD57 Antigens ; metabolism ; Diagnosis, Differential ; Follow-Up Studies ; Hodgkin Disease ; immunology ; pathology ; surgery ; Humans ; Leukocyte Common Antigens ; metabolism ; Lymphocytes ; pathology ; Lymphoma, B-Cell ; pathology ; Male

12E7 Antigen ; Antigens, CD ; metabolism ; CD57 Antigens ; metabolism ; Cell Adhesion Molecules ; metabolism ; Female ; Humans ; Immunohistochemistry ; Neuroectodermal Tumors, Primitive, Peripheral ; metabolism ; pathology ; therapy ; Pancreas ; chemistry ; pathology ; surgery ; Pancreatectomy ; methods ; Pancreatic Neoplasms ; metabolism ; pathology ; surgery ; Phosphopyruvate Hydratase ; metabolism ; Young Adult

Adolescent ; Adult ; CD57 Antigens ; metabolism ; Diagnosis, Differential ; Female ; Glial Fibrillary Acidic Protein ; metabolism ; Humans ; Male ; Middle Aged ; Neurilemmoma ; metabolism ; pathology ; Pelvic Neoplasms ; metabolism ; pathology ; Peripheral Nervous System Neoplasms ; metabolism ; pathology ; Retroperitoneal Neoplasms ; metabolism ; pathology ; S100 Proteins ; metabolism

OBJECTIVETo investigate the clinicopathological features and prognosis of 22 cases of central neurocytoma (CNC), representing 0.48% of a series of 4 528 patients undergoing biopsy for central nervous system tumors.

METHODSThe histopathological, ultrastructral, immunohistochemical and clinical features of CNC were studied by electron microscopic examination and immunohistochemical stain for Synaptophysin (Syn), neuron special enolase (NSE), Leu-7, glial fibrillary acid protein (GFAP), MBP and proliferating cell nuclear antigen (PCNA).

RESULTSThe age of the cases ranged from 4 to 44 (average 27.9 years) with all tumors localized in the ventricles. In the 18 patients followed up, 14 were alive for 8 months to 14 years and 11 months after the operation, and 4 died. The average survival period was 70.7 months. Histologically, the tumor in all 22 cases had the oligodendroglioma-like pattern with honeycomb appearance and cell-free islands of eosinophilic matrix. Cellular anaplasia, mitosis and necrotic areas were rarely seen in the tumors. Immunohistochemical study demonstrated strong positivity for Syn, NSE and Leu-7, and negative for GFAP and MBP. Ultrastructural features showed presence of round tumor cells with abundant cell processes containing microtubules, neurosecretory granules, clear vesicles and lysosome-like structures.

CONCLUSIONSThe differential diagnosis between CNC and oligodendroglioma could not be established by routine light microscopy. The importance of immunohistochemical and electron microscopic studies for making a correct diagnosis is emphasized. The prognosis of patients is usually favorable, even if the tumor was resected subtotally. The relationship between the presence of anaplastic histological features in CNC and patient outcome remains unclear.

Adolescent ; Adult ; Biomarkers, Tumor ; Brain Neoplasms ; metabolism ; pathology ; physiopathology ; CD57 Antigens ; metabolism ; Child ; Child, Preschool ; Female ; Glial Fibrillary Acidic Protein ; metabolism ; Humans ; Male ; Microscopy, Electron ; methods ; Neurocytoma ; metabolism ; pathology ; physiopathology ; Phosphopyruvate Hydratase ; metabolism ; Prognosis ; Proliferating Cell Nuclear Antigen ; Synaptophysin ; metabolism

OBJECTIVETo investigate the effect of ginkgo biloba extract (ginaton) preconditioning on discordant cardiac xenografts from guinea pig to rat, and explore its mechanism.

METHODSCervical cardiac transplantation model was established in the rats,which were divided into 4 groups Group 1 (cobra venom factor ( CVF) pretreatment, n = 10]; Group 2 (CVF + ginaton, n = 5) ; Group 3 Ccyclosporine (CsA); Group 4 (CVF + CsA + ginaton, n = 8]. The survival time and histopathology after xenograft were observed and expressions of intercellular adhesion molecule-1 (ICAM-1) heme oxygenase-1 (HO-1) CD68 and CD57 were detected.

RESULTSPathologic manifestion of grafts showed changes of acute vascular rejection (AVR) in all groups. The mean survival time after car diac xenograft was 41 hrs in Group 1, 68 hrs in Group 2, 55 hrs in Group 3 and 74 hrs in Group 4. Expression of intercellular adhesion molecule-1 (ICAM-1 ) decreased after ginaton preconditioning (P < 0. 05). CD68 and CD57 expressions were down-regulated, HO-1 expression was up-regulated, as well as the apoptotic index (Al) reduced significantly after ginaton with cyclosporine A preconditioning.

CONCLUSIONGinaton preconditioning can prolong the survival time after discordant xenograft, and significantly alleviate pathological lesion from acute xenograft vascular rejection combined with cyclosporine A.

Animals ; Antigens, CD ; metabolism ; Antigens, Differentiation, Myelomonocytic ; metabolism ; CD57 Antigens ; metabolism ; Drugs, Chinese Herbal ; pharmacology ; Ginkgo biloba ; Guinea Pigs ; Heart ; drug effects ; Heart Transplantation ; Heme Oxygenase-1 ; metabolism ; Intercellular Adhesion Molecule-1 ; metabolism ; Myocardium ; immunology ; metabolism ; Rats ; Transplantation Conditioning ; Transplantation, Heterologous

OBJECTIVETo explore the hematopathologic features of T-cell large granular lymphocytic leukemia (T-LGLL).

METHODSA retrospective analysis of the clinical presentation, bone marrow morphology, immunophenotyping and T-cell receptor gene rearrangement status were performed in 19 patients with T-LGLL.

RESULTSOf 19 patients, the most frequent hematological abnormalities were anemia and neutropenia (16/19 and 17/19 patients, respectively). Large granular lymphocytes (LGLs) were observed in 17 of 19 peripheral blood smears and 15 of 19 bone marrow aspirate specimens. Lymphocytosis (> 0.2) was present in 17 of 19 patients in their bone marrow aspirate specimens. Bone marrow biopsy specimens revealed lymphocytosis in 16 cases, with a mild to moderate increase of lymphocytes observed in 12 cases (12/16). The pattern of lymphoid distribution was interstitial in bone marrow sections. Intravascular distribution was seen in 8 cases. Lymphoid nodules were present in 4 cases. Flow cytometery showed an immunophenotype of CD3(+) CD4(-) CD8(+) CD56(-) CD57(+) of the tumor cells in 13 cases. Of the other 6 cases, the immunophenotypes included CD8(-) (1 case), CD56(+) (2 cases) and CD57(-) (3 cases). Immunohistochemistry showed CD3+ (10/10), CD57+ (3/3), CD8+ (6/7), TIA-1+ (6/7), granzyme B+ (4/7), perforin + (1/7), CD4- (4/4) and CD56- (9/9). Clonal T-cell receptor γ gene rearrangement by PCR was detected in 12 cases (12/17).

CONCLUSIONSHematopathologic features of most T-LGLL are distinct. Morphologic, immunophenotypic and molecular analysis of both peripheral blood and bone marrow specimens are essential and complementary in the diagnosis and differential diagnosis of T-LGLL.

Adult ; Aged ; Anemia ; metabolism ; pathology ; Bone Marrow ; pathology ; CD3 Complex ; metabolism ; CD57 Antigens ; metabolism ; CD8 Antigens ; metabolism ; Diagnosis, Differential ; Female ; Gene Rearrangement, gamma-Chain T-Cell Antigen Receptor ; Granzymes ; metabolism ; Humans ; Immunophenotyping ; Leukemia, Large Granular Lymphocytic ; metabolism ; pathology ; Lymphocytosis ; metabolism ; pathology ; Male ; Middle Aged ; Neutropenia ; metabolism ; pathology ; Poly(A)-Binding Proteins ; metabolism ; Retrospective Studies ; T-Cell Intracellular Antigen-1

OBJECTIVETo study the differential diagnosis between nodular lymphocyte-predominant Hodgkin lymphoma (NLPHL) and T-cell/histiocyte-rich B-cell lymphoma (TCRBCL).

METHODS15 cases of NLPHL and 16 cases of TCRBCL were studied on both morphology and immunophenotype according to the WHO classification of lymphoid neoplasms. SP-immunohistochemical staining were performed on paraffin sections. In situ hybridization for EBER1/2 and gene rearrangement of immunoglobulin heavy chain (IgH) were carried out in 3 cases of NLPHL and 4 cases of TCRBCL, respectively.

RESULTSHistologically, a few atypical large cells scattered in a background of small lymphocytes with or without histiocytes were a common finding in both NLPHL and TCRBCL. Of NLPHL, nodular pathern predominated in 11 cases, diffuse patterns without nodules in 3 cases and one case showed nodular and diffuse pattern intermixed with a increased number of large cells. 14 cases of TCRBCL showed diffuse pattern. One case with micronodular pattern involving the splenic white pulp. One case showed a combination of nodules of NLPHL, diffuse areas of TCRBCL and a sheet of large cells of diffuse large B-cell lymphoma (DLBCL) within the same lymph node biopsy specimen. Immunophenotypically, the large cells showed and CD20, CD79a, bcl-6 and EMA positive, and CD15, CD30, CD3, CD45RO and LMP-1 negative. In NLPHL, small B cells and CD57 positive cells were common, whereas in TCRBCL, TIA-1 positive cytotoxic cells and histiocytes dominated, small B cells were scarce or absent. EBER1/2 were negative and gene rearrangement of IgH was found in all tested 3 cases of NLPHL and 4 cases of TCRBCL, respectively.

CONCLUSIONThere are some morphologic and immunophenotypic resemblance between NLPHL and TCRBCL. A combination of the morphological characteristics and the reactivity of the background cells for CD57 and TIA-1 seem to reliably discriminate between the entities and should therefore help to increase the interobserver reproducibility of diagnosis in the gray zone around Hodgkin lymphomas.

Adolescent ; Adult ; Aged ; Antigens, CD20 ; metabolism ; CD57 Antigens ; metabolism ; Child ; Diagnosis, Differential ; Female ; Gene Rearrangement, B-Lymphocyte, Heavy Chain ; Hodgkin Disease ; genetics ; immunology ; pathology ; Humans ; Immunophenotyping ; Lymph Nodes ; pathology ; Lymphoma, Large B-Cell, Diffuse ; genetics ; immunology ; pathology ; Male ; Middle Aged ; Poly(A)-Binding Proteins ; metabolism ; Retrospective Studies ; T-Cell Intracellular Antigen-1 ; T-Lymphocytes ; immunology ; metabolism ; pathology