Jiangsu Provincial Blood Center

Nanjing, China

Jiangsu Provincial Blood Center

Nanjing, China
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Wang B.,Nanjing Medical University | Shi L.,Jiangsu Provincial Blood Center | Wang L.,Nanjing Medical University | Liu Y.,Jiangsu Provincial Blood Center | And 2 more authors.
Chinese Journal of Medical Genetics | Year: 2017

Objective To analyze a sample with ABO subgroup using serological and molecular methods. Methods The ABO phenotype of the sample was determined with a tube method, and the activity of glycosyltransferases was determined with an uridine diphosphate galactose transferring method. The ABO gene of the propositus was identified by PCR with sequence-specific primers (PCR-SSP). In addition, exons 6 and 7 of the ABO gene were cloned and sequenced. Results Neither A nor B antigen was identified in the propositus, despite that its anti-B antibody was found to be attenuated. No activity of a-1 > 3-D-galactosyltransferase was detected in the serum. The presence of B and O alleles were confirmed by PCR-SSP, and a novel mutation (562C>T) of the exon 7 was confirmed by sequencing, which has led to an amino acid substitution (Arg to Cys) at position 188. The genotype of the propositus was determined as Bnew/O. Conclusion A novel B allele has been identified, which was named as Bw39 by the Blood Group Antigen Gene Mutation Database (BGMUT).


Mao Y.,Jiangsu Province Official Hospital | Zhang D.-W.,Nanjing Medical University | Lin H.,Jiangsu Provincial Blood Center | Xiong L.,Nanjing Medical University | And 8 more authors.
Journal of Experimental and Clinical Cancer Research | Year: 2012

Background: Alpha B-crystallin (αB-crystallin) has been suggested to play an important role in the development of solid tumors. However, the association between αB-crystallin expression and clinicopathological characteristics of human laryngeal carcinoma is not well defined. This study aimed to examine the expression of αB-crystallin in human laryngeal squamous cell carcinoma (LSCC) and investigate the relationship between its expression and the prognosis of LSCC. Methods. Real-time polymerase chain reaction (six LSCC samples, six tumor-adjacent normal samples) and immunohistochemistry by tissue microarrays (109 LSCC samples and 28 tumor-adjacent normal samples) were performed to characterize expression of the αB-crystallin gene in LSCC. Kaplan-Meier survival and Cox regression analyses were carried out to evaluate the prognosis of LSCC. Results: Real-time polymerase chain reaction and immunohistochemistry analysis showed that the expression of αB-crystallin in LSCC was significantly higher than that in tumor-adjacent normal tissues. Moreover, the expression level of αB-crystallin protein in LSCC was significantly related to alcohol consumption (P = 0.022), tumor differentiation (P = 0.007), pTNM stage (P = 0.041) and 5 years' survival (P =0.030). COX multi-factor analysis showed that αB-crystallin (P = 0.013), as well as pTNM stage (P =0.027) and lymphatic metastasis (P = 0.015) were independent prognosis factors for LSCC. Conclusions: The data suggest that αB-crystallin expression is correlated with malignant phenotypes of LSCC and it may serve as a novel prognostic factor for LSCC. © 2012 Mao et al.


Lin H.,Huadong Medical Institute of Biotechniques | Lin H.,Nanjing Medical University | Lin H.,Jiangsu Provincial Hospital | Lin H.,Jiangsu Provincial Blood Center | And 14 more authors.
International Journal of Cancer | Year: 2014

Human trophoblastic cell surface antigen 2 (Trop2) has been suggested as an oncogene, which is associated with the different types of tumors. In this study, a human Fab antibody against Trop2 extracellular domain was isolated from phage library by phage display technology, and characterized by ELISA, FACS, fluorescence staining and Western blotting analysis. MTT, apoptosis assay and wound healing assay were employed to evaluate the inhibitory effects of Trop2 Fab on breast cancer cell growth in vitro, while tumor-xenograft model was employed to evaluate the inhibitory effects on breast cancer growth in vivo. The results showed that Trop2 Fab inhibited the proliferation, induced the apoptosis and suspended the migration of MDA-MB-231 cells in a dose dependent manner. The expression caspase-3 was activated, and the expression of Bcl-2 was reduced while that of Bax was elevated in MDA-MB-231 cells by treating with Trop2 Fab. In addition, Trop2 Fab inhibited the growth of breast cancer xenografts and the expression of Bcl-2 was reduced while that of Bax was elevated in xenografts. Trop2 Fab, which was isolated successfully in this research, is a promising therapeutic agent for the treatment of Trop2 expressing breast cancer. © 2013 UICC.


Xue M.,Jiangsu Provincial Blood Center
Zhongguo shi yan xue ye xue za zhi / Zhongguo bing li sheng li xue hui = Journal of experimental hematology / Chinese Association of Pathophysiology | Year: 2012

The purpose of this study was to investigate the allele frequencies of the human platelet alloantigens 1-18 system (HPA-1-18) in Chinese Nanjing unrelated and healthy Han population, so as to provide the credible basis to screen compatible platelets for transfusing patients. The genotypes of 18 HPA systems were determined by polymerase chain reaction using sequence-specific primer (PCR-SSP) for 300 samples. The results showed that the gene frequencies obtained from 300 Nanjing unrelated population were 0.9183 and 0.0817 for HPA-2a and -2b, 0.6100 and 0.3900 for HPA-3a and -3b, 0.9733 and 0.0267 for HPA-5a and -5b, 0.9883 and 0.0117 for HPA-6a and -6b, 0.5250 and 0.4750 for HPA-15a and -15b. All the tested individuals were homozygotes for HPA-1a, -4a, -7a-14a and HPA -16a-18a. There was a good fit to Hardy-Weinberg equilibrium in each group. It is concluded that this study has confirmed the ethnic and regional difference of HPA, and HPA in Nanjing Han population has its own characteristics. The highest heterozygotes are HPA-3 and HPA-15, thus more attention to HPA effects on clinical platelet matched transfusion should be paid.


Lin H.,Jiangsu Provincial Blood Center | Mao Y.,Jiangsu Province Official Hospital | Zhang D.-W.,Nanjing Medical University | Li H.,Nanjing Medical University | And 4 more authors.
Anti-Cancer Agents in Medicinal Chemistry | Year: 2013

Melanoma-associated antigen (MAGE) is expressed on the surface of multiple tumor cell types and is a promising target of biotherapeutic drug delivery via the anti-MAGE-A1 antibody. In this study, a human single-chain variable fragment (scFv) antibody phage library was generated and applied to recombinant MAGE-A1-coated immunotubes by phage display technology. The soluble antiMAGE-A1 scFv was expressed and purified by immobilized metal-chelated affinity chromatography (IMAC). The anti-MAGE-A1 scFv could bind native MAGE-A1 confirmed by enzyme-linked immunosorbent assay (ELISA), dot blot, and immunoprecipitation (IP) analysis. The immunotoxin was expressed and purified by IMAC successfully. The results indicated that the human anti-MAGE-A1 immunotoxin could provide a valuable drug for clinic cancer therapy. © 2013 Bentham Science Publishers.


Mao Y.,Jiangsu Province Official Hospital | Mao Y.,Huadong Medical Institute of Biotechnology | Lu M.P.,Nanjing Medical University | Lin H.,Jiangsu Provincial Blood Center | And 8 more authors.
PLoS ONE | Year: 2013

Background: Epstein-Barr virus (EBV) infection has been associated with lymphoma development. EBV latent membrane protein 1 (LMP1) is essential for EBV-mediated transformation and progression of different human cells, including lymphocytes. This meta-analysis investigated LMP1 expression with prognosis of patients with lymphoma. Methods: The electronic databases of PubMed, Embase, and Chinese Biomedicine Databases were searched. There were 15 published studies available for a random effects model analysis. Quality assessment was performed using the Newcastle-Ottawa Quality Assessment Scale for cohort studies. A funnel plot was used to investigate publication bias, and sources of heterogeneity were identified by meta-regression analysis. The combined hazard ratios (HR) and their corresponding 95% confidence intervals of LMP1 expression were calculated by comparison to the overall survival. Results: Overall, there was no statistical significance found between LMP1 expression and survival of lymphoma patients (HR 1.25 [95% CI, 0.92-1.68]). In subgroup analyses, LMP1 expression was associated with survival in patients with non-Hodgkin lymphoma (NHL) (HR = 1.84, 95% CI: 1.02-3.34), but not with survival of patients with Hodgkin disease (HD) (HR = 1.03, 95% CI: 0.74-1.44). In addition, significant heterogeneity was present and the meta-regression revealed that the outcome of analysis was mainly influenced by the cutoff value. Conclusions: This meta-analysis demonstrated that LMP1 expression appears to be an unfavorable prognostic factor for overall survival of NHL patients. The data suggested that EBV infection and LMP1 expression may be an important factor for NHL development or progression. © 2013 Mao et al.


Chen R.,Nanjing Medical University | Lu M.,Nanjing Medical University | Wang J.,Jiangsu Provincial Hospital | Zhang D.,Nanjing Medical University | And 9 more authors.
Virchows Archiv | Year: 2013

Human trophoblastic cell surface antigen 2 (Trop2) has been suggested to play an important role in the development of solid tumors. However, the expression of Trop2 in extranodal NK/T cell lymphoma, nasal type (ENKTL) and the relationship with the clinical characteristics of this disease remain poorly understood. In this study, one-step quantitative PCR reverse transcription-polymerase chain reaction and immunohistochemical staining with tissue sections were employed to evaluate the expression of Trop2 in ENKTL. Furthermore, the relationship between Trop2 expression and prognosis of ENKTL was investigated. Expression of Trop2 mRNA and protein was significantly higher in ENKTL tissue than in corresponding non-lymphomatous tissue (p = 0.04 and p < 0.001, respectively). Expression of Trop2 protein in ENKTL was associated with lymph node involvement and poor overall survival (p = 0.045 and p = 0.018, respectively). Kaplan-Meier analysis and the logrank test indicated that lymph node involvement (p = 0.0481), single therapy strategy (p = 0.0037), and high expression of Trop2 (p = 0.0042) are significantly correlated with poor prognosis of ENKTL patients. The data suggest that Trop2 expression reflects a more malignant phenotype and may serve as an unfavorable prognostic factor for ENKTL. © 2013 Springer-Verlag Berlin Heidelberg.


Mao Y.,Jiangsu Provincial Hospital | Zhang D.-W.,Nanjing Medical University | Zhu H.,Nantong University | Lin H.,Jiangsu Provincial Blood Center | And 7 more authors.
Diagnostic Pathology | Year: 2012

Background: Latent membrane protein (LMP) 1 and LMP2A encoded by Epstein-Barr virus (EBV) are associated with the development of malignancies, but their expression in extranodal NK/T-cell lymphoma, nasal type (ENKTL) and the relationship with clinical characteristics of this disease remain poorly understood. In the present study, we examined the expression of LMP1 and LMP2A in ENKTL, and investigated the correlations between LMP1 and LMP2A expression with clinicopathological characteristics of ENKTL patients.Methods: Paraffin sections of surgically removed samples from 16 ENKTL patients were analyzed by immunohistochemistry and the related clinicopathological data were collected and analyzed.Results: Elevated expression (immunohistochemistry score ≥ 4) of LMP1 and LMP2A was detected in the tumor cells of ENKTL. High LMP1 expression was associated with positive B symptoms (p = 0.012), while high LMP2A expression was related to gender (p = 0.029). The expression of both LMP1 and LMP2A showed significant correlations with patients' overall survival (p = 0.049, p = 0.036).Conclusion: LMP1 and LMP2A may be prognostic indicators of survival in patients with ENKTL.Virtual slides: http://www.diagnosticpathology.diagnomx.eu/vs/2443352538545899. © 2012 Mao et al.; licensee BioMed Central Ltd.


PubMed | Jiangsu Provincial Blood Center
Type: Journal Article | Journal: Anti-cancer agents in medicinal chemistry | Year: 2013

Melanoma-associated antigen (MAGE) is expressed on the surface of multiple tumor cell types and is a promising target of biotherapeutic drug delivery via the anti-MAGE-A1 antibody. In this study, a human single-chain variable fragment (scFv) antibody phage library was generated and applied to recombinant MAGE-A1-coated immunotubes by phage display technology. The soluble anti- MAGE-A1 scFv was expressed and purified by immobilized metal-chelated affinity chromatography (IMAC). The anti-MAGE-A1 scFv could bind native MAGE-A1 confirmed by enzyme-linked immunosorbent assay (ELISA), dot blot, and immunoprecipitation (IP) analysis. The immunotoxin was expressed and purified by IMAC successfully. The results indicated that the human anti-MAGE-A1 immunotoxin could provide a valuable drug for clinic cancer therapy.


PubMed | Jiangsu Provincial Blood Center
Type: Journal Article | Journal: Zhongguo shi yan xue ye xue za zhi | Year: 2012

The purpose of this study was to investigate the allele frequencies of the human platelet alloantigens 1-18 system (HPA-1-18) in Chinese Nanjing unrelated and healthy Han population, so as to provide the credible basis to screen compatible platelets for transfusing patients. The genotypes of 18 HPA systems were determined by polymerase chain reaction using sequence-specific primer (PCR-SSP) for 300 samples. The results showed that the gene frequencies obtained from 300 Nanjing unrelated population were 0.9183 and 0.0817 for HPA-2a and -2b, 0.6100 and 0.3900 for HPA-3a and -3b, 0.9733 and 0.0267 for HPA-5a and -5b, 0.9883 and 0.0117 for HPA-6a and -6b, 0.5250 and 0.4750 for HPA-15a and -15b. All the tested individuals were homozygotes for HPA-1a, -4a, -7a-14a and HPA -16a-18a. There was a good fit to Hardy-Weinberg equilibrium in each group. It is concluded that this study has confirmed the ethnic and regional difference of HPA, and HPA in Nanjing Han population has its own characteristics. The highest heterozygotes are HPA-3 and HPA-15, thus more attention to HPA effects on clinical platelet matched transfusion should be paid.

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