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Kurshumliu F, Sadiku-Zehri F, Qerimi A, Vela Z, Jashari F, Bytyci S, Rashiti V, Sadiku S. Divergent immunohistochemical expression of CD21 and CD23 by follicular dendritic cells with increasing grade of follicular lymphoma. World J Surg Oncol 2019; 17:115. [PMID: 31269981 PMCID: PMC6610797 DOI: 10.1186/s12957-019-1659-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 06/26/2019] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND Ultrastructural and immunohistochemical differences have been described in FDCs of primary and secondary follicles, illustrating the highly compartmentalized structure of lymph follicles. Differences in FDC immunophenotype in different grades of FL may reflect some parallelism between reactive and neoplastic conditions in terms of FDC-B cell interaction and may be used as a valuable additional tool for grading FL. METHODS A total of 60 paraffin blocks from patients with follicular lymphoma, 30 cases each of grade 1 and 3, were retrieved from our archive. Immunohistochemical analysis was carried out for CD21, CD23, cyclin A, and Ki-67. RESULTS Our study demonstrates that during evaluation, six patterns of FDC distribution were distinguished. The intensity of stain for CD21 was not statistically significant in grade 1 and grade 3 FL (p = 0.340). In contrast, grade 3 FLs exhibited a significant decrease of CD23 expression by the FDCs (p < 0.001). By CD21 stain, there was no significant difference in the distribution of pattern 1 in grades 1 and 3 (p = 0.098). In contrast, in grade 3, this pattern was significantly less observed by CD23 stain (p = 0.016). The same was observed for pattern 2 for CD21 (p = 0.940) and CD23 (p = 0.010) and pattern 4 for CD21 (p = 0.305) and CD23 (p = 0.005), respectively. Distribution of pattern 5 was significantly different between grades 1 and 3 both for CD21 (p = 0.005) and CD23 (p < 0.001). Distribution of patterns 2 and 6 was not significantly different between grades 1 and 3 for CD21 and CD23. The values of cyclin A and Mib-1 were also significantly different between grades 1 and 3 (p < 0.001). CONCLUSIONS The observed patterns of FDCs lead us to believe that similar to reactive lymph node follicles, neoplastic follicles in FL, at least in early stages, have an organized structure. Hypothetically, with CD21, CD23, and cyclin A immunohistochemistry, the sequence of events in FL progression may be traced.
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Affiliation(s)
- Fisnik Kurshumliu
- Institute of Anatomic Pathology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Fatlinda Sadiku-Zehri
- Institute of Anatomic Pathology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Ardita Qerimi
- Institute of Histology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Zana Vela
- Institute of Histology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Fisnik Jashari
- Institute of Histology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Samir Bytyci
- Institute of Histology, University Clinical Center/Faculty of Medicine, University of Pristina, Pristina, Kosovo
| | - Vlore Rashiti
- Institute of Anatomic Pathology, University Clinical Center of Pristina, Pristina, Kosovo
| | - Shemsedin Sadiku
- Hematology Clinic, University Clinical Center/Faculty of Medicine, University of Pristina, Rr.Bulevardi i Dëshmorëve, 10000, Pristina, PN, Kosovo.
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Silva JS, Andrade AC, Santana CC, Santos LQ, de Oliveira CI, Veras PST, Vassallo J, dos-Santos WLC. Low CXCL13 expression, splenic lymphoid tissue atrophy and germinal center disruption in severe canine visceral leishmaniasis. PLoS One 2012; 7:e29103. [PMID: 22242159 PMCID: PMC3252310 DOI: 10.1371/journal.pone.0029103] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2011] [Accepted: 11/21/2011] [Indexed: 11/29/2022] Open
Abstract
Visceral leishmaniasis is associated with atrophy and histological disorganization of splenic compartments. In this paper, we compared organized and disorganized splenic lymphoid tissue from dogs naturally infected with Leishmania infantum assessing the size of the white pulp compartments, the distribution of T, B and S100+ dendritic cells, using immunohistochemistry and morphometry and the expression of CCR7 and the cytokines, CXCL13, lymphotoxin (LT)-α, LT-β, CCL19, CCL21, TNF-α, IL-10, IFN-γ and TGF-β, using by real time RT-PCR. The lymphoid follicles and marginal zones were smaller (3.2 and 1.9 times, respectively; Mann-Whitney, P<0.02) in animals with disorganized splenic tissue in comparison to those with organized splenic lymphoid tissue. In spleens with disorganized lymphoid tissue, the numbers of T cells and S100+ dendritic cells were decreased in the follicles, and the numbers of B cells were reduced in both the follicles and marginal zones. CXCL13 mRNA expression was lower in animals with disorganized lymphoid tissue (0.5±0.4) compared to those with organized lymphoid tissue (2.7±2.9, both relative to 18S expression, P = 0.01). These changes in the spleen were associated with higher frequency of severe disease (7/12) in the animals with disorganized than in animals with organized (2/13, Chi-square, P = 0.01) splenic lymphoid tissue. The data presented herein suggest that natural infection with Leishmania infantum is associated with the impairment of follicular dendritic cells, CXCL13 expression, B cell migration and germinal center formation and associates these changes with severe clinical forms of visceral leishmaniasis. Furthermore the fact that this work uses dogs naturally infected with Leishmania infantum emphasizes the relevance of the data presented herein for the knowledge on the canine and human visceral leishmaniasis.
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Affiliation(s)
- Joselli S. Silva
- Fundação Oswaldo Cruz - Centro de Pesquisas Gonçalo Moniz, Salvador, Bahia, Brazil
| | - Alan C. Andrade
- Fundação Oswaldo Cruz - Centro de Pesquisas Gonçalo Moniz, Salvador, Bahia, Brazil
| | - Claudia C. Santana
- Escola Bahiana de Medicina e Saúde Pública - Biomedicina, Salvador, Bahia, Brazil
| | - Leina Q. Santos
- Fundação Oswaldo Cruz - Centro de Pesquisas Gonçalo Moniz, Salvador, Bahia, Brazil
| | | | - Patrícia S. T. Veras
- Fundação Oswaldo Cruz - Centro de Pesquisas Gonçalo Moniz, Salvador, Bahia, Brazil
| | - José Vassallo
- Faculdade de Ciências Médicas – UNICAMP, Campinas, São Paulo, Brazil
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Maeda K, Matsuda M, Suzuki H, Saitoh HA. Immunohistochemical recognition of human follicular dendritic cells (FDCs) in routinely processed paraffin sections. J Histochem Cytochem 2002; 50:1475-86. [PMID: 12417613 DOI: 10.1177/002215540205001107] [Citation(s) in RCA: 41] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A number of monoclonal antibodies (MAbs) that recognize human follicular dendritic cells (FDCs) have been identified. Although some of them have already been applied individually in routine immunolabeling using formalin-fixed paraffin sections for diagnostic and experimental purposes, many antibodies are still employed only for immunolabeling using cryostat sections or particularly processed sections because they have been thought unsuitable for routine sections. A comprehensive examination re-evaluating their suitability in paraffin sections has not been reported. Accordingly, there is limited ability to examine the immunopathological contribution or diagnostic value of FDCs using routinely processed specimens or archived materials. In this study a broad panel of antibodies was systematically applied to the immunolabeling of paraffin sections of reactive tonsils or lymph nodes, in combination with advanced antigen retrieval (AR) techniques. Several antibodies, including Ki-M4p, X-11, 12B1, CNA.42, 1F8/BU32 (anti-CD21), BU38/1B12 (anti-CD23), Ber-MAC-DRC/To5 (anti-CD35), 1.4C3 (anti-CD106), NGFR5 (anti-nerve growth factor receptor p75), IIH6 (anti-CD55), 55K-2 (anti-fascin), and anti-S100 protein alpha-chain, were found to label FDCs in routine sections when combined with suitable AR techniques. Our results are easily adaptable for routine practice and provided useful suggestions concerning the immunopathological behavior and diversity of the particular cells.
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Affiliation(s)
- Kunihiko Maeda
- Department of Pathology, Yamagata University School of Medicine, Yamagata, Japan
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Lin O, Frizzera G. Angiomyoid and follicular dendritic cell proliferative lesions in Castleman's disease of hyaline-vascular type: a study of 10 cases. Am J Surg Pathol 1997; 21:1295-306. [PMID: 9351567 DOI: 10.1097/00000478-199711000-00004] [Citation(s) in RCA: 76] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Castleman's disease of hyaline-vascular type (HV CD) may rarely be associated with a confusing variety of stromal cell overgrowths and neoplasms. We report here on the pathologic and clinical findings of 10 such cases. In addition to the usual complex histoimmunophenotype of the stroma of HV CD and some unusual features that mimicked neoplasms, we observed focal proliferations of angiomyoid (five cases) and follicular dendritic cell type (five cases). The former were nonneoplastic growths featuring compact tangles of spindle cells, exhibiting immunoreactivity for smooth muscle actin and interpreted as vessel-related pericytes and myoid cells. The latter were neoplastic growths of oval to spindle cells intermixed with lymphocytes; the tumor cells grew in long, intersecting bundles, featured various degree of atypia, and expressed the markers of follicular dendritic cells (CD21, CD35, KiM4p). The two types were clinically distinct. Four of five patients with angiomyoid proliferations were young women, who presented with an abdominal mass and were cured by surgery; that is, they had a clinical profile similar to that of patients with the stroma-rich variant of HV CD. The follicular dendritic cell proliferations were in older patients of either gender presenting with masses at various sites, recapitulating the profile of follicular dendritic cell tumors arising independently from HV CD; in three patients with long-term follow-up, recurrences or metastases developed at various intervals from the initial diagnosis (1 1/6, 3 1/2, and 11 years), and one patient died as a result. This study confirms the potential for, and the variety of, stromal cell proliferations in HV CD. Because their biologic behavior differs, correct identification of these various proliferative lesions is clinically important.
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Affiliation(s)
- O Lin
- Department of Pathology, New York University Medical Center, New York 10016, USA
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Affiliation(s)
- S Petrasch
- Medizinische Klinik, Ruhr-Universität Bochum, Knappschaftskrankenhaus, Germany
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Maeda K, Matsuda M, Imai Y. Follicular dendritic cells: structure as related to function. Curr Top Microbiol Immunol 1995; 201:119-39. [PMID: 7587347 DOI: 10.1007/978-3-642-79603-6_8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- K Maeda
- Department of Pathology, Yamagata University School of Medicine, Japan
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Mori M, Santucci M, Pimpinelli N. Architectural and antigenic features of follicular dendritic cells as a clue to the histogenesis of primary cutaneous B-cell lymphoma. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 1995; 378:277-9. [PMID: 8526072 DOI: 10.1007/978-1-4615-1971-3_61] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Affiliation(s)
- M Mori
- Dermatology Clinic II, University of Florence, Italy
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9
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Petrasch S, Brittinger G, Wacker HH, Schmitz J, Kosco-Vilbois M. Follicular dendritic cells in non-Hodgkin's lymphomas. Leuk Lymphoma 1994; 15:33-43. [PMID: 7858501 DOI: 10.3109/10428199409051675] [Citation(s) in RCA: 28] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Follicular dendritic cells (FDC) are restricted to the B-cell regions of secondary lymphoid tissue and to non-Hodgkin's lymphomas derived from the follicular center or the mantle zone. With their cytoplasmic ramifications they form a dense network which contains the B-lymphocytes. In situ, FDC are only detectable at the ultrastructural level or when stained with anti FDC-reagents. On the surface of their dendritic extensions they express transferrin receptors (CD71), the B-cell epitope CD20, class II antigens, the myelomonocytic molecule CD14, the glycoprotein gp50 (CD40), and several receptors for components of the complement system (CD11b, CD21, CD35). Subsequent to an antigen challenge, FDC trap and retain immune-complexes for a long period of time. In vitro FDC and neoplastic lymphocytes spontaneously form small cellular aggregates. This adhesion is mediated by the LFA-1-alpha/beta = ICAM-1, the VLA-4 = VCAM-1, and the ICAM-1 = C3bi- receptor ligand pathways on B-cells and on FDC, respectively. The loss of LFA-1- alpha/beta and ICAM-1 molecules may enable neoplastic lymphocytes to detach from FDC. The monoclonal B-cells now invade new compartments. In vitro, FDC have the capacity to activate resting B-cells and to save them from dying by apoptosis. Signals involved in this activation include cell-surface immunoglobulin and CD40. Immunocytochemistry and autoradiography with single cell suspensions of neoplastic B cells suggest that FDC also provide signals leading to the continued stimulation of lymphoma lymphocytes. During the early stage of HIV infection lymph nodes show an immense follicular hyperplasia, with a massive increase of the dendritic network of FDC. In the later stage of the disease, the continuous involution of the germinal centers is associated with a progressive destruction of FDC.
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Affiliation(s)
- S Petrasch
- Division of Internal Medicine, Ruhr-University of Bochum, Germany
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Nguyen DT, Diamond LW, Hansmann ML, Alavaikko MJ, Schröder H, Fellbaum C, Fischer R. Castleman's disease. Differences in follicular dendritic network in the hyaline vascular and plasma cell variants. Histopathology 1994; 24:437-43. [PMID: 8088715 DOI: 10.1111/j.1365-2559.1994.tb00552.x] [Citation(s) in RCA: 49] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Twenty-seven cases of the hyaline vascular variant and 10 cases of the plasma cell variant of Castleman's disease were studied with the paraffin resistant monoclonal antibodies Ki-FDC1p and/or Ki-M4p against follicular dendritic cells. Studies with the monoclonal antibody Ki-M9, for the detection of sinus lining cells, were also performed on the available frozen tissue in four cases of the hyaline vascular variant. In nine of the 10 plasma cell variant cases, the predominant type of follicular dendritic cell network was similar to that seen in normal or reactive germinal centres. In contrast, the hyaline vascular variant demonstrated either an expanded, disrupted, follicular dendritic cell network (10 cases) or multiple tight collections of follicular dendritic cells (16 cases). Sinus lining cells were not detected in the four cases studied. The difference in the predominant type of dendritic meshwork is an additional distinguishing feature to separate the plasma cell and hyaline vascular variants of Castleman's disease. The patterns of dendritic network seen in the hyaline vascular type, together with the absence of sinus lining cells, appear to favour the hamartoma theory proposed for this variant.
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Affiliation(s)
- D T Nguyen
- Department of Pathology, University of Cologne, Germany
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11
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Pimpinelli N, Santucci M, Romagnoli P, Giannotti B. Dendritic Cells in T- and B-Cell Proliferation in the Skin. Dermatol Clin 1994. [DOI: 10.1016/s0733-8635(18)30173-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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12
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Gloghini A, Carbone A. The nonlymphoid microenvironment of reactive follicles and lymphomas of follicular origin as defined by immunohistology on paraffin-embedded tissues. Hum Pathol 1993; 24:67-76. [PMID: 8418015 DOI: 10.1016/0046-8177(93)90065-o] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
Twenty-five reactive lymph nodes, 10 palatine tonsils, and 72 B-cell non-Hodgkin's lymphomas (NHLs) of supposed follicular origin were investigated in an immunohistologic study of fixed, paraffin-embedded tissues using a panel of monoclonal antibodies reactive with antigens resistant against fixation and paraffin-embedding techniques together with polyclonal antibodies. The results concerning the microenvironmental organization of reactive lymphoid follicles confirmed that the distribution of CD21+ and CD23+ dendritic reticulum cells, vimentin+ fibroblastic reticulum cells, and CD68+ tingible-body macrophages is heterogeneous with reference to their immunostaining patterns and topographic localization within the germinal center and mantle zone. Moreover, a close microenvironmental similarity between the follicular lymphomas of supposed germinal center or mantle zone origin and their normal counterparts was noted. The study of the microenvironment of the B-zone small lymphocytic lymphoma cases, showing the same distribution patterns for the nonlymphoid cells as seen in mantle zone lymphomas, corroborated the supposed follicular origin of this unusual variant of small lymphocytic lymphoma. In conclusion, this study shows that monoclonal antibodies recognizing CD21, CD23, and CD68 antigens may be valuable additions to vimentin, S-100 protein, laminin, and type IV collagen antibodies for investigating the microenvironmental organization of lymphoid tissues in both normal and neoplastic conditions.
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Affiliation(s)
- A Gloghini
- Division of Pathology, Istituto Nazionale di Ricovero e Cura a Carattere Scientifico, Aviano, Italy
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Santucci M, Mori M, Pimpinelli N, Pezzati P. Nerve growth factor receptor expression on dendritic reticulum cells in cutaneous B-cell lymphoma. Hum Pathol 1992; 23:1088-9. [PMID: 1325411 DOI: 10.1016/0046-8177(92)90277-a] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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Affiliation(s)
- F Schriever
- Department of Medicine, Brigham and Women's Hospital, Boston, Massachusetts 02115
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Petrasch S, Stein H, Kosco MH, Brittinger G. Follicular dendritic cells in non-Hodgkin lymphomas: localisation, characterisation and pathophysiological aspects. Eur J Cancer 1991; 27:1052-6. [PMID: 1832893 DOI: 10.1016/0277-5379(91)90280-q] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- S Petrasch
- Department of Medicine, University of Essen (GHS), Germany
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Santucci M, Pimpinelli N, Arganini L. Primary cutaneous B-cell lymphoma: a unique type of low-grade lymphoma. Clinicopathologic and immunologic study of 83 cases. Cancer 1991; 67:2311-26. [PMID: 2013039 DOI: 10.1002/1097-0142(19910501)67:9<2311::aid-cncr2820670918>3.0.co;2-0] [Citation(s) in RCA: 208] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The clinical presentation and course, and the morphoimmunologic features of primary cutaneous B-cell lymphoma (CBCL) were investigated in a series of 83 patients. Fifty-one patients were male and 32 were female (male-to-female ratio of 1.6:1); CBCL primarily involved the elderly (median age, 58 years). A locoregional extension of the disease was quite frequent (86.7%). The neoplastic cells showed a range of appearances reminiscent of the whole spectrum of follicular/parafollicular cells. The antigenic phenotype of tumor cells (CD19+, CD20+, CD22+, CD28+, CD10-, CD5-, MB2+, CD74+/-, CDw75+/-, MT2+/-, surface immunoglobulin + monoclonal/-) plus the presence of admixed CD14- dendritic reticulum cells suggest a mantle-zone nature for CBCL. The nonaggressive clinical behavior with a substantial tendency to remain localized to a limited area of the skin, the quite good response to nonaggressive treatment, and the dichotomy existing between the enhancement of morphoimmunologic atypism--which parallels the increasing age and growth rate of lesions--and the constant benign overall prognosis on long-term follow-up make CBCL a unique type of lymphoma of low-grade malignancy. Proper recognition of CBCL is mandatory to avoid possible undertreatment or overtreatment of the patients affected.
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Affiliation(s)
- M Santucci
- Istituto di Anatomia e Istologia Patologica, Università degli Studi di Firenze, Italia
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Strobach RS, Nakamine H, Masih AS, Linder J, Weisenburger DD. Nerve growth factor receptor expression on dendritic reticulum cells in follicular lymphoid proliferations. Hum Pathol 1991; 22:481-5. [PMID: 1851719 DOI: 10.1016/0046-8177(91)90135-c] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma. A dendritic staining pattern within germinal centers was present in 25 of 26 routinely processed lymph nodes with reactive follicular hyperplasia. In contrast, dendritic staining with anti-NGFR was present within neoplastic follicles in only three of 28 follicular lymphomas. Staining of benign, residual germinal centers with anti-NGFR was present in mantle zone lymphoma and Hodgkin's disease. These findings suggest a possible role for the NGFR in the maturation and/or activation of normal DRCs. The loss of NGFR expression in most follicular lymphomas indicates that DRCs are altered as part of the neoplastic process. The possibility that DRCs may play a role in the pathogenesis of follicular lymphoma is suggested.
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Affiliation(s)
- R S Strobach
- Department of Pathology and Microbiology, University of Nebraska Medical Center, Omaha 68198
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Rademakers LH. Follicular dendritic cells in germinal centre development. RESEARCH IN IMMUNOLOGY 1991; 142:257-60. [PMID: 1896617 DOI: 10.1016/0923-2494(91)90071-p] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- L H Rademakers
- University of Utrecht, Department of Pathology, Academic Hospital Utrecht, The Netherlands
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Affiliation(s)
- J G Tew
- Department of Microbiology/Immunology, Medical College of Virginia, Virginia Commonwealth University, Richmond 23298
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Gloghini A, Volpe R, Carbone A. Vimentin immunostaining in fibroblastic reticulum cells within human reactive and neoplastic lymphoid follicles. Hum Pathol 1990; 21:792-8. [PMID: 2387572 DOI: 10.1016/0046-8177(90)90047-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
We analyzed the distribution of fibroblastic reticulum cells (FRCs), stationary cells of lymphoid tissues, as visualized by the anti-vimentin (V9) monoclonal antibody in human reactive and neoplastic lymphoid follicles, by using immunoenzymatic and immunofluorescence methods on fixed and paraffin-embedded tissue sections from 37 lymphoid specimens with reactive disorders and 10 specimens with nodular/follicular non-Hodgkin's lymphomas (NHLs). The pattern of distribution of the vimentin-positive (VIM+) FRCs was compared with that of follicular dendritic reticulum cells (DRCs) as visualized by anti-S-100 protein antibody. Elongate VIM+ FRCs intimately attached to reticulum fibers were randomly distributed in the paracortical and interfollicular areas of lymph nodes, whereas they were recognized specifically in the mantle zones of the secondary follicles, mostly in the outer margins. Germinal centers were consistently devoid of VIM+ FRCs. Comparative analysis on serial sections as well as paired immunoperoxidase and double immunofluorescence studies demonstrated that there was a sharp difference between the patterns of intrafollicular distribution of VIM+ FRCs and S-100 protein-positive (S-100+) DRCs without juxtaposition, the FRCs being confined to the mantle zones. In the 10 nodular/follicular NHLs VIM+ FRCs could be observed in the thinned mantles of neoplastic nodules displaying a corona-like pattern that accentuated the boundaries of the nodules. The results of this study support the view that the intrafollicular distribution of VIM+ FRCs is specific for the mantle zone. The different microenvironmental organization within the follicles of VIM+ FRCs and S-100+ DRCs suggests that FRCs or at least VIM+ FRCs are stationary cells strictly related to the mantle zone microenvironment, where they may play a role in supposed sustentacular and immunologic functions similar to that of DRCs in the germinal center microenvironment.
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Affiliation(s)
- A Gloghini
- Division of Pathology, Centro di Riferimento Oncologico, Aviano, Italy
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Petrasch S, Perez-Alvarez C, Schmitz J, Kosco M, Brittinger G. Antigenic phenotyping of human follicular dendritic cells isolated from nonmalignant and malignant lymphatic tissue. Eur J Immunol 1990; 20:1013-8. [PMID: 2358015 DOI: 10.1002/eji.1830200510] [Citation(s) in RCA: 54] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Follicular dendritic cells (FDC) are located within follicles of secondary lymphoid tissue and in lymph nodes of patients with germinal center cell-derived non-Hodgkin lymphomas. Reliable antigenic phenotyping of FDC within tissue sections has been difficult due to simultaneous labeling of the surrounding germinal center cells. Using an enzyme cocktail to digest human tonsils and cervical lymph nodes with subsequent fractionation by albumin gradient centrifugation, cell isolates containing up to 20% FDC were obtained. This preparation allowed the determination of antigenic phenotype on individual FDC. Molecules expressed by FDC were detected by an isotype-specific immunocytochemical double-labeling procedure, i.e. a monoclonal antibody (mAb) specific for FDC (KiM4 or DRC1) in conjunction with a mAb reactive against an additional antigenic determinant. Nonspecific binding of mAb to immunoglobulin Fc receptors located on FDC membranes was avoided by incubation of cells with human IgG aggregates prior to immunostaining. The results revealed that isolated FDC from these lymphoid tissues express transferrin receptors, the intercellular adhesion molecule 1, class II antigens, the B cell antigens CD20 and CD21, and the myelomonocytic properties CD11b and CD14. Immunoglobulin mu or gamma heavy chains and the B cell antigens CD23 and CD24 are detected on 50% of an isolated FDC population. These FDC are negative for the T helper cell antigen CD4, the B cell cell antigens CD19 and CD22, the immunolobulin alpha and delta chains and the S-100 protein. FDC isolated from lymph nodes of patients with low-grade malignant non-Hodgkin lymphoma, identified by DRC1 or KiM4 mAb, presented the same antigenic profile as seen on FDC from nonmalignant tissue. This suggests that FDC from lymphoma tissue isolated in this manner have the same properties as those found in normal tissue.
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Affiliation(s)
- S Petrasch
- Department of Hematology, University of Essen, FRG
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22
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Gloghini A, Carbone A. Dendritic reticulum cell-related immunostaining for laminin in follicular and diffuse B-cell lymphomas. VIRCHOWS ARCHIV. A, PATHOLOGICAL ANATOMY AND HISTOPATHOLOGY 1990; 416:197-204. [PMID: 1689086 DOI: 10.1007/bf01678978] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
We performed a comparative immunohistocytochemical study of the distribution patterns of laminin and follicular dendritic reticulum cells (DRCs) within their follicular microenvironment in both nodular or diffuse B-cell non Hodgkin's lymphomas (NHLs). Twenty nine cases of immunophenotypically diagnosed B-cell NHLs (19 of follicular center cell origin-FCCL- and 10 of the diffuse well differentiated lymphocytic type-WDLL-) and five reactive lymph nodes with follicular hyperplasia were analyzed by immunoperoxidase and immunofluorescence techniques. Serial frozen sections and cytospin preparations were tested either with single antibodies anti laminin and DRC-1, or paired reagents in double labeling immunofluorescence. Our results indicated consistently that within both the reactive germinal centers and the neoplastic nodules of FCCL laminin immunostaining visualized a punctate-granular pattern apart from the linear vascular basement membrane positivity. Double immunofluorescence assay demonstrated that there was a close parallelism between this laminin staining pattern and DRC-1 distribution showing a well developed DRCs meshwork; in the diffuse tumour areas of both FCCL and WDLL, laminin immunoreactivity was found only in those cases in which nests of DRCs were observed. Double immunofluorescence studies performed on cytospin preparations demonstrated that the groups of cells containing DRC-1 positive cells, contained a positivity for laminin, although within the cell the staining for DRC-1 was intense and diffuse, while that for laminin was granular and more sparse. Our results suggested that these laminin and DRC-1 positive reactive sites may be present on the same cells. Since the reduction in number or loss of both DRCs and their related immunostaining for laminin within the microenvironment was consistently associated with a loss of nodularity by lymphoma cells, whereas nodularity in reactive and neoplastic conditions was associated with a rich DRCs meshwork and the related laminin immunostaining, a trapping function of DRCs exercised in the presence of laminin should be considered.
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Affiliation(s)
- A Gloghini
- Division of Pathology, Centro di Riferimento Oncologico, Aviano, Italy
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Gloghini A, Colombatti A, Bressan G, Carbone A. Basement membrane components in lymphoid follicles: immunohistochemical demonstration and relationship to the follicular dendritic cell network. Hum Pathol 1989; 20:1001-7. [PMID: 2676838 DOI: 10.1016/0046-8177(89)90272-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
We analyzed the distribution of two basement membrane components, laminin and type IV collagen, in human reactive and neoplastic lymphoid follicles by using immunoenzymatic and immunofluorescence methods on serial frozen sections from 11 reactive lymph nodes, three palatine tonsils, and 11 immunophenotypically defined B cell non-Hodgkin's lymphomas. The patterns of distribution of these two antigens were compared with that of follicular dendritic reticulum cells (DRCs) as visualized by anti-DRC-1 and anti-desmoplakin 1 and 2 antibodies. Immunostaining for laminin and type IV collagen produced overlapping results. Germinal centers contained some vascular and fiber-like linear staining, but the most striking feature was the presence of a large amount of punctate-granular staining. This staining was present throughout the entire area of most of the germinal centers, although often more densely in the central areas. The stronger punctate-granular staining for laminin, type IV collagen, and desmoplakin 1 and 2 corresponded to the more densely stained areas for DRC-1. Double immunofluorescence assay demonstrated that there was a close similarity between the punctate-granular staining pattern of laminin and the dendritic network of DRC-1-positive cells. In the nine B cell lymphomas of follicular center origin in which DRCs were present, although distributed in different patterns, immunostaining for laminin and type IV collagen could be observed only in those areas showing immunoreactivity for DRC-1. The results of this study suggest that the punctate-granular staining pattern for laminin and type IV collagen is specific for the follicle. This finding may be strictly related to the follicular microenvironment because the pattern of distribution displayed by laminin and type IV collagen seems to be spatially related to the staining pattern of DRCs, as visualized by the anti-DRC-1 and desmoplakins antibodies, both in reactive and neoplastic conditions.
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Affiliation(s)
- A Gloghini
- Division of Pathology, Centro di Riferimento Oncologico, Aviano, Italy
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Affiliation(s)
- W van Ewijk
- Department of Cell Biology II and Immunology, Erasmus University, Rotterdam, The Netherlands
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