• 제목/요약/키워드: T-lymphoma

검색결과 237건 처리시간 0.02초

Proliferation Effect of Conditioned Medium Produced by Lymph Node Stromal Cells

  • Lee, Sang-Han;Moon, Sung-Hoon;Ha, Sang-Chul;Ma, Jin-Yeul;Kim, Min-Sook;Lee, Jin-Man;Kwon, O-Yu
    • Journal of Life Science
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    • 제12권1호
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    • pp.22-26
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    • 2002
  • CS21 lymphoma cells that preferentially metastasize to lymph nodes after s.c. inoculation into BALB/c mice were grown in vitro in the presence of CA12 stromal cells isolated from lymph nodes. To obtain fundamental data on identification and characterization of the soluble factor(s) produced by CA12 stromal cells, we investigated the biological profile of the conditioned medium produced by CAl2 stromal cells. CAl2 conditioned medium has no affinity with Con A. CAl2 conditioned medium is associated with the proliferation of splenic T- and thymic T-cells with-out adding mitogen, although the conditioned medium cannot induce the differentiation of thymocytes. Additionally, we showed that H-7, not HA-1004 inhibits CS21 cell proliferation. These results suggest that CAl2 conditioned medium has a specific soluble factor(s) produced by lymph node stromal cells.

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Meta Analysis of Treatment for Stage IE~IIE Extranodal Natural Killer /T Cell Lymphomas in China

  • Li, Hui;Wang, Chun-Sen;Wang, Xiao-Dong
    • Asian Pacific Journal of Cancer Prevention
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    • 제15권5호
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    • pp.2297-2302
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    • 2014
  • Objective: To evaluate early treatment for extranodal natural killer/T cell lymphoma (ENK/TCL) in China and provide reference for clinical treatment of these patients. Methods: Computer-based retrieval was performed in PubMed, CNKI, CBM, VIP and WanFang Data to search for randomized controlled trials (RCTs) of treatment for early ENK/TCL, and a meta-analysis was conducted with RevMan 5.0 software. Results: A total of 11 RCTs, including 871 patients, were selected, of which the first radiotherapy had a higher complete response (CR) than the first chemotherapy [OR=14.16, 95%CI (8.68, 23.10), P<0.00001] and CR was not different between combined treatment group and radiotherapy group [OR=1.86, 95%CI (0.47, 3.58), P=0.61], but long-term survival rate was higher with combined treatment[OR=1.88, 95%CI (1.09, 3.19), P=0.02]. No difference in survival rate was observed between radio-chemotherapy and chemo-radiotherapy groups [OR=1.11, 95%CI (0.73, 1.69), P=0.63]. Conclusions: Radiotherapy is of great significance in the treatment of early ENK/TCL, but combined therapy could further enhance long-term survival rate of patients. This conclusion still requires further confirmation using RCTs with high quality and large sample size.

$TCR{\gamma}$ 유전자 재배열로 진단된 T세포 원발성 폐림프종 1예 (A Case of T-cell Primary Pulmonary Lymphoma Diagnosed by $TCR{\gamma}$ gene rearrangement)

  • 최영미;김승준;권순석;김영균;김관형;문화식;박성학;송정섭
    • Tuberculosis and Respiratory Diseases
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    • 제43권6호
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    • pp.1001-1007
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    • 1996
  • 반복되는 흉막염 및 폐렴을 주소로 내원한 30세 남자환자에서 경기관지 폐생검과 흉수내 림프구에 대한 유세포 분석 및 T세포 수용체 유전자 재배열 분석을 실시하였다. 경기관지 폐생검 조직의 연역조직화학 염색상 대부분의 림프구가 T세포 표식자인 UCHLl 에 대해 강하게 염색되었고, B세포 표식자인 L26에 대해서는 거의 염색되지 않았다. 흉수에서 추출한 림프구의 유세포 분석상 CD3양성 CD2양성인 T림프구가 대부분이었고, 이들 림프구에 대해 중합효소연쇄반응을 이용한 T세포 수용체 유전자 재배열 분석을 하였더니 $TCR{\gamma}$ 유전자 재배열과 클론성을 관찰할 수 있었다. T세포 원발성 폐림프종으로 진단하였고, 문헌고찰과 함께 보고하는 바이다.

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당뇨 환자에서 경막외 농양과의 감별을 요한 원발성 척추 경막외 임파종 - 증례보고 - (Primary Spinal Epidural Lymphoma Mimicking Epidural Abscess in a Diabetic - A Case Report -)

  • 김세훈;임동준;조태형;정용구;이훈갑;이기찬;서중근
    • Journal of Korean Neurosurgical Society
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    • 제30권3호
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    • pp.395-399
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    • 2001
  • 척추 경막외 임파종은 전체 임파종의 7%정도를 차지하며, 가장 흔한 증상으로 척수 압박 증세를 유발하는 것으로 알려져 있다. 그 중에서도 원발성 척추 경막외 임파종, 즉 다른 장기의 침범 소견 없이 척추에만 국한되어 나타난 임파종은, 당뇨병 환자에서 급성 척수 압박 증상으로 나타났을 때, 척추 경막외 농양과의 감별을 요한다. 저자들은 48세의 여자 당뇨 환자에서 흉추부의 통증으로 내원 1개월 전까지 여러 차례 침술치료를 받고 난 후 통증이 악화되고 급성 하반신 부전마비와 배뇨 장애 및 감염 징후가 있어 본원에 내원하여, 병력과 제반 검사상 수술전에 척추 경막외 농양으로 진단되었던 원발성 척추 경막외 임파종 1례를 수술 치험하고 보고하는 바이다.

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Exploration of Molecular Mechanisms of Diffuse Large B-cell Lymphoma Development Using a Microarray

  • Zhang, Zong-Xin;Shen, Cui-Fen;Zou, Wei-Hua;Shou, Li-Hong;Zhang, Hui-Ying;Jin, Wen-Jun
    • Asian Pacific Journal of Cancer Prevention
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    • 제14권3호
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    • pp.1731-1735
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    • 2013
  • Objective: We aimed to identify key genes, pathways and function modules in the development of diffuse large B-cell lymphoma (DLBCL) with microarray data and interaction network analysis. Methods: Microarray data sets for 7 DLBCL samples and 7 normal controls was downloaded from the Gene Expression Omnibus (GEO) database and differentially expressed genes (DEGs) were identified with Student's t-test. KEGG functional enrichment analysis was performed to uncover their biological functions. Three global networks were established for immune system, signaling molecules and interactions and cancer genes. The DEGs were compared with the networks to observe their distributions and determine important key genes, pathways and modules. Results: A total of 945 DEGs were obtained, 272 up-regulated and 673 down-regulated. KEGG analysis revealed that two groups of pathways were significantly enriched: immune function and signaling molecules and interactions. Following interaction network analysis further confirmed the association of DEGs in immune system, signaling molecules and interactions and cancer genes. Conclusions: Our study could systemically characterize gene expression changes in DLBCL with microarray technology. A range of key genes, pathways and function modules were revealed. Utility in diagnosis and treatment may be expected with further focused research.

Immunomodulatory effect of Tinospora cordifolia in tumor-bearing host

  • Singh, Nisha;Singh, Sukh Mahendra;Shrivastava, Pratima
    • Advances in Traditional Medicine
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    • 제3권2호
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    • pp.72-79
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    • 2003
  • The present investigation was undertaken to study whether tumor-associated macrophages of Daltons lymphoma (DL), a spontaneous transplantable T cell lymphoma can be activated to tumoricidal state by alcoholic extract of Tinospora cordifolia (ALTC). In vivo administration of ALTC (200 mg/kg body weight) in DL-bearing mice resulted in an enhanced RNI production and an augmented cytotoxic response of tumor-associated macrophages. Earlier we had reported that DL-bearing mice show a regression of thymus and an enlargement of spleen. In vivo administration of ALTC to DL-bearing hosts resulted in a decrease in the weight of spleen and counts of splenocytes along with an increase in the weight of thymus as compared to control DL-bearing mice. In vivo administration of ALTC in DL-bearing mice also resulted in an increase in the proliferation of splenocytes/thymocytes and BMC. The results of this study indicate that the ALTC upon in vivo administration in DL-bearing shows immuno-modulatory effects and thus may have clinical significance.

정상아에서 Lymphoma로 혼동된 Cryptococcal Lymphadenitis 1례 (A Case of Cryptococcal Lymphadenitis Mimicking Lymphoma)

  • 김보미;민기식;김종완;김광남;유기양
    • Pediatric Infection and Vaccine
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    • 제3권2호
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    • pp.194-199
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    • 1996
  • Cryptococcosis is a rare in normal child and the majority of cases usually occur in patients with defective cell-mediated immunity. Infection is acquired by inhalation of organisms from the environment and disseminated via the blood stream to any organ of the body. We experienced a 7 year old girl who presented with fever, both cervical lymphadenopathy, hepatomegaly under the impression of lymphoma. However lymph node biopsy revealed cryptococcal budding and culture of lymph nodes yielded cryptococcus neoformans. The radiologic finding showed huge, multiple cervical lymph node enlargement spreading to mediastinum and abdomen. The immune fuction in term of T cell, B cell, serum immunoglobulin, complement and neutrophil function tests was normal. The patient was treated with amphotericin B and flucytosine for 6 weeks and responded to the treatment well. We report this case with brief review of the related literatures.

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두경부에 발생한 Progressive Transformation of Germinal Centers(PTGC) 환자 2예 (Two Cases of Progressive Transformation of Germinal Centers(PTGC) in Head and Neck Area)

  • 한원규;김태민;윤희철;염건휘;오경호;권순영
    • 대한두경부종양학회지
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    • 제31권1호
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    • pp.34-38
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    • 2015
  • Progressive transformation of germinal centers(PTGC) is a rare benign lymph node enlargement characterized by chronic lymphadenopathy and the presence of germinal centers with fused and expanded mantles within a lymph node that are 3-5 times the size of a typical reactive follicle. Although PTGC is reported in 3.5-10% of chronic lymphadenopathy, head and neck surgeons do not often experience this condition and its clinical implications. Althoug PTGC is benign disease, it could not be excluded the association with other malignant lymphoid diseases. Therefore, periodic follow up of PTGC patient could be required. We report two cases at this study ; a 16 years old man who visited out-patient clinic due to palpable mass of right cervical area, several months ago, and a 35 years old man who visited out-patient clinic for evaluating right cervical mass. Both of two patients were diagnosed with PTGC. In this study, we focus on the clinic-pathologic features of this uncommon disease along with other literature reviews.

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Isolation and Structure Elucidation, Molecular Docking Studies of Screlotiumol from Soil Borne Fungi Screlotium rolfsii and their Reversal of Multidrug Resistance in Mouse Lymphoma Cells

  • Ahmad, Bashir;Rizwan, Muhammad;Rauf, Abdur;Raza, Muslim;Azam, Sadiq;Bashir, Shumaila;Molnar, Joseph;Csonka, Akos;Szabo, Diana
    • Asian Pacific Journal of Cancer Prevention
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    • 제17권4호
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    • pp.2083-2087
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    • 2016
  • A new compound namely (13-(3,3-dihydroxypropyl)-1,6-dihydroxy-3,4-dihydro-1H-isochromen-8(5H)-one (1) was isolated from an ethyl acetate extract of the borne fungi Screlotium rolfsii. Its chemical structure was elucidated by spectroscopic analysis. Screlotiumol 1 were evaluated for their effects on the reversion of multidrug resistant (MDR) mediated by P-glycoprotein (P-gp) of the soil borne fungi. The multidrug resistant P-glycoprotein is a target for chemotherapeutic drugs in cancer cells. In the present study rhodamine-123 exclusion screening test on human mdr1 gene transfected mouse gene transfected L5178 and L5178Y mouse T-cell lymphoma which showed excellent MDR reversing effect in a dose dependent manner against mouse T-lymphoma cell line. Moreover, molecular docking studies of compound-1 also showed better results as compared with the standard. Therefore the preliminary results obtained from this study suggest that screlotiumol 1 could be used as a potential agent for the treatment of cancer.

Expression of Granulysin and FOXP3 in Cutaneous T Cell Lymphoma and Sézary Syndrome

  • Shareef, Mohamed Moustafa;Elgarhy, Lamia Hamouda;Wasfy, Rania El-Said
    • Asian Pacific Journal of Cancer Prevention
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    • 제16권13호
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    • pp.5359-5364
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    • 2015
  • Background: Multiple complex pathways are operable in the evolution of cutaneous T cell lymphomas (CTCLs). These pathways involve interaction between neoplastic T cells and cells of the immune system (especially dendritic cells and the non-malignant T cells). Granulysin is a proinflammatory antimicrobial peptide which has an immune alarmin function, activating dendritic cells, as well as an active role in tumor immunology and prognosis. FOXP3+ regulatory T cells Tregs are an important player in the immune system. Much controversy is found in the literature about the role of Tregs in CTCL. Aim: The present study aimed to investigate the expression of granulysin and FOXP3 in mycosis fungoides (MF), its precursor lesion large plaque parapsoriasis and its leukemic form ;$s\acute{e}ezary$ syndrome (SS). Materials and Methods: Immunohistochemical expression of granulysin and FOXP3 were assessed in lesional skin biopsies taken from 58 patients (4 large plaque parapsoriasis, 48 MF and 6 SS). Results: Granulysin positivity was cytoplasmic and higher in MF than in parapsoriasis en plaque and higher in the more advanced stages of MF (p<0.001). All groups showed significant differences between each other except between MF tumor stage and SS. FOXP3 positivity was nuclear and higher in early stage MF (plaque and patch stages) than in tumor stages and SS (p<0.001). However the FOXP3 count was lower in parapsoriasis en plaque than in other stages of MF. All the groups showed significant differences between each other except between parapsoriasis and SS and between patch and plaque stages of MF. Conclusions: The present study supports a role for granulysin in MF progression and proposes a novel hypothesis about the effect of FOXP3 +veTregs in the suppression of the activity of the neoplastic cells in MF.