证券代码:300247 证券简称:乐金健康 公告编号:2016-067 安徽乐金健康科技股份有限公司 关于与美国麻省总医院签订《合作研究协议》的补充公告 本公司及董事会全体成员保证公告内容真实、准确、完整,不存在虚假记 载、 误导性陈述或重大遗漏。 安徽乐金健康科技股份有限公司(以下简称“公司”)于 2016 年 7 月 27 日 披露了《关于与美国麻省总医院签订<合作研究协议>的公告》(公告编号 2016- 066),应深圳证券交易所要求,现就此公告补充披露如下内容: 一、协议各方介绍: 1、甲方:安徽乐金健康科技股份有限公司 2、乙方:美国麻省总医院 美国麻省总医院,建立于 1811 年,是美国历史最悠久的三所医院之一,也 是新英格兰地区建立最早、规模最大的医院,它是与哈佛医学院建立最早、规 模最大的教学医院,里面具有世界一流的医学类博士、博士后人才,建立了多 所全世界顶级技术的医学实验室,被誉为多项医学技术的领导者。麻省总医院 在癌症、心血管、神经、脑血管、消化、风湿免疫、血液、内分泌等疾病临床 治疗方面世界领先。医院拥有闻名全球的五大学科医疗中心,分别是:癌症中 心、心脏中心、消化中心、移植中心以及血管中心,各中心汇集了众多权威专 家,可为患者提供优质、高端的综合医疗服务。 美国麻省总医院网站地址:http://www.massgeneral.org/ 二、合作团队主要成员介绍 1、王新慧博士(Wang X),1958 年出生,1982 年本科毕业于安徽医科大 学,1999 年博士毕业于纽约医科大学,2012 年受聘为哈佛医学院暨麻省总院的 外科肿瘤免疫学专家。王新慧博士(Wang X)获得专利如下表: 1 证券代码:300247 证券简称:乐金健康 公告编号:2016-067 医院内部 编号 获得日期 专利名称 专利号 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/16/2008 ASSOCIATED ANTIGEN AND USES THEREOF 61/106,055 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/19/2008 BREAST CARCINOMA 61/098,548 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/18/2009 BREAST CARCINOMA 2009293007 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/15/2009 ASSOCIATED ANTIGEN AND USES THEREOF PCT/US2009/060903 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/15/2009 ASSOCIATED ANTIGEN AND USES THEREOF 2009305715 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/18/2009 BREAST CARCINOMA PCT/US2009/057578 ANTIBODIES TO ENDOPLASMIN AND THEIR 2181 6/16/2010 USE 61/355,516 DELAYING AND PREVENTING B-RAF 2346 12/2/2010 INHIBITOR RESISTANCE 61/419,208 ANTIBODIES TO HLA-A2 ANTIGEN-MAGE- 3271-279 PEPTIDE COMPLEX AND THEIR 2343 5/27/2011 USES 61/491,118 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/15/2009 ASSOCIATED ANTIGEN AND USES THEREOF 2,737,597 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/15/2009 ASSOCIATED ANTIGEN AND USES THEREOF 9821279.8 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/18/2009 BREAST CARCINOMA 2,737,758 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/18/2009 BREAST CARCINOMA 9815308.3 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 9/18/2009 BREAST CARCINOMA 2011-528016 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL 1792 3/16/2011 BREAST CARCINOMA 13/119,428 2 证券代码:300247 证券简称:乐金健康 公告编号:2016-067 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 4/8/2011 ASSOCIATED ANTIGEN AND USES THEREOF 13/123,489 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA 1794 10/15/2009 ASSOCIATED ANTIGEN AND USES THEREOF 2011-532263 ANTIBODIES TO ENDOPLASMIN AND THEIR 2181 6/15/2011 USE PCT/US2011/040580 ANTIBODIES TO ENDOPLASMIN AND THEIR 2181 6/15/2011 USE 13/161,432 METHODS FOR TREATING A TUMOR USING AN ANTIBODY THAT SPECIFICALLY BINDS 2346 12/1/2011 HMW-MAA PCT/US2011/062943 METHODS FOR TREATING A TUMOR USING AN ANTIBODY THAT SPECIFICALLY BINDS 2348 12/1/2011 GRP94 PCT/US2011/062946 METHODS FOR TREATING A TUMOR USING AN ANTIBODY THAT SPECIFICALLY BINDS 2348 12/1/2011 GRP94 13/309,490 University of Pittsburgh Invention Disclosure and Assignment Agreement- title EAF1 and EAF2 TBN 09/06/2012 antibodies Pitt Ref: 02877 00786- Combination Treatments with Sonic 0886P01 04/04/2013 Hedgehog Inhibitors MGH 22119 TBN 12/2014 CSPG4-specific human scFv SK5 USSN 62/143,456 2、Soldano Ferrone(Ferrone S)博士,意大利人,1991 博士毕业于米兰 大学,2014 年受聘为哈佛医学院暨麻省总院外科和骨科教授。Soldano Ferrone 博士获得专利如下表: 医院内部 编号 专利日期 专利名称 专利号 DELAYING AND PREVENTING B-RAF 2346 12/2/2010 INHIBITOR RESISTANCE 61/419,208 ANTIBODIES TO HLA-A2 ANTIGEN- MAGE-3271-279 PEPTIDE COMPLEX 2343 5/27/2011 AND THEIR USES 61/491,118 MONOCLONAL ANTIBODIES FOR CSPG4 FOR THE DIAGNOSIS AND TREATMENT OF BASAL BREAST 1792 3/16/2011 CARCINOMA 13/119,428 FULLY HUMAN ANTIBODIES TO HIGH MOLECULAR WEIGHT-MELANOMA ASSOCIATED ANTIGEN AND USES 1794 10/15/2009 THEREOF 2011-532263 3 证券代码:300247 证券简称:乐金健康 公告编号:2016-067 ANTIBODIES TO ENDOPLASMIN AND 2181 6/15/2011 THEIR USE 13/161,432 METHODS FOR TREATING A TUMOR USING AN ANTIBODY THAT 2346 12/1/2011 SPECIFICALLY BINDS HMW-MAA PCT/US2011/062943 METHODS FOR TREATING A TUMOR USING AN ANTIBODY THAT 2348 12/1/2011 SPECIFICALLY BINDS GRP94 13/309,490 UNIVERSITY OF PITTSBURGH INVENTION DISCLOSURE AND ASSIGNMENT AGREEMENT- TITLE TBN 09/06/2012 EAF1 AND EAF2 ANTIBODIES Pitt Ref: 02877 3、王新慧博士和 Soldano Ferrone 博士合作工作、研究课题 20 多年。 团 队主要参考文献如下: 1. Wang X, Ferrone S, McPherson A. Crystal structure of an anti-anti-idiotype shows it to be self- complementary. J Mol Biol, 255:617-627, 1996. PMID: 8568901 2. Wang X, Ferrone S. HLA (A*0201) mimicry by anti-idiotypic monoclonal antibodies. J Immunol, 161:6705-6714, 1998. PMID: 9862700 3. Wang X, Noronha EJ, Kageshita T, Ferrone S. Characterization of human anti-high molecular weight-melanoma-associated antigen single-chain Fv fragments isolated from a phage display antibody library. Cancer Res, 58:2417-2425, 1998. PMID: 9622083 4. Noronha EJ, Wang X, Desai SA, Kageshita T, Ferrone S. Limited diversity of human scFv fragments isolated by panning a synthetic phage-display scFv library with cultured human melanoma cells. J Immunol, 161:2968-2976, 1998. PMID: 9743360 5. Ban N, Day J, Wang X, Ferrone S, McPherson A. Crystal structure of an anti-anti-idiotype shows it to be self- complementary. J Mol Biol, 255:617-627, 1996. PMID: 8568901 6. Noronha EJ, Wang X, Desai SA, Kageshita T, Ferrone S. Limited diversity of human scFv fragments isolated by panning a synthetic phage-display scFv library with cultured human melanoma cells. J Immunol, 161:2968-2976, 1998. PMID: 9743360 7. Wang X, Campoli M, Cho HS, Ogino T, Bandoh N, Shen J, Hur SY, Kageshita T, Ferrone S. A method to generate antigen-specific mAb capable of staining formalin-fixed, paraffin- embedded tissue sections. J Immunol Methods, 299:139-151, 2005. PMID: 15896802 8. Wang X, Ko EC, Peng L, Gillies SD, Ferrone S. Human high molecular weight melanoma associated antigen (HMW-MAA) mimicry by mouse anti-idiotypic (anti-id) mAb MK2-23: enhancement of immunogenicity of anti-id mAb MK2-23 by fusion with interleukin-2. Cancer Res, 65:6976-6983, 2005. PMID: 16061683 9. Anichini A, Mortarini R, Nonaka D, Molla A, Vegetti C, Montaldi E, Wang X, Ferrone S. Association of antigen processing machinery and HLA antigen phenotype of melanoma cells with survival in American Joint Committee on Cancer stage III and IV melanoma patients. Cancer Res, 66:6405-6411, 2006. PMID: 16778219 4 证券代码:300247 证券简称:乐金健康 公告编号:2016-067 10. Luo W, Ko E, Hsu JC, Wang X, Ferrone S. Targeting melanoma cells with HMW-MAA- specific antibodies elicited by a peptide mimotope: functional effects. J Immunol, 176:6046-6054, 2006. PMID: 16670313 11. Luo W, Wang X, Kageshita T, Wakasugi S, Karpf AR, Ferrone S. Regulation of human high molecular weight-melanoma associated antigen (HMW-MAA) gene expression by promoter DNA methylation in human melanoma cells. Oncogene, 25:2873-2884, 2006. PMID: 16407841 12. Peng L, Ko E, Luo W, Wang X, Shrikant PA, Ferrone S. CD4-dependent potentiation of a high molecular weight-melanoma-associated antigen-specific CTL response elicited in HLA-A2/Kb transgenic mice. J Immunol, 176:2307-2315, 2006. PMID: 16455987 13. Raffaghello L, Nozza P, Morandi F, Camoriano M, Wang X, Garre ML, Cama A, Basso G, Ferrone S, Gambini C, Pistoia V. Expression and functional analysis of human leukocyte antigen class I antigen-processing machinery in medulloblastoma. Cancer Res, 67:5471-5478, 2007. PMID: 17545629 14. Tsuda N, Chang DZ, Mine T, Efferson C, García-Sastre A, Wang X, Ferrone S, Ioannides CG. Taxol increases the amount and T cell activating ability of self-immune stimulatory multimolecular complexes found in ovarian cancer cells. Cancer Res, 67:8378-8387, 2007. PMID: 17804754 该研究团队因其在单克隆抗体和肿瘤免疫逃逸机制的研究成果获得国际肿瘤 免疫学领域的广泛认可,多次获得美国国立卫生研究院和美国国防部的科研经 费。2010 年、2011 年、2012 年连续三年获得 university of Pittsburgh 的 创新发明奖。根据团队的研究成果包括发现新的 3 阴乳腺癌靶点以及阻断放射 治疗引起的乳癌肿瘤干细胞;针对 HLA 抗原和肿瘤相关抗原,已经研制出大量 的单克隆抗体,包括抗 CSPG4 和细胞表面 GRP94 的抗体等,获得了多项与癌症 靶向单克隆抗体相关的美国发明专利。目前,其将利用他们在嵌合抗原受体 (CAR)主要成分-抗体领域的强大优势,研究团队致力于开展 CAR- T 细胞治疗 实体瘤的研究及临床运用研究。美国麻省总医院王新慧团队介绍链接: http://www.massgeneral.org/research/researchlab.aspx?id=1565&display= team 三、研究课题详细描述: 1、拟利用不与正常组织,例如心脏、大脑和肺部发生交互反应的细胞表 面特定 GRP94 靶向性 scFv 抗体,生成一个嵌合体抗原受体(CAR)转导的 T 细 5 证券代码:300247 证券简称:乐金健康 公告编号:2016-067 胞靶细胞表面 GRP94。 2、测试工程 CAR 在人体 T 细胞中的表达水平。 3、测试一组癌细胞系,以及不同的原始和正常 PBMC 以及骨髓细胞。 4、评估工程 CAR- T 细胞在目标肿瘤细胞(一组肿瘤细胞)中的体外抑杀 能力。 5、测试在存在靶细胞的情况下,CAR- T 细胞的体外 IFN-gamma 释放。 6、使用 CAR- T 细胞和正常细胞进行细胞杀伤和 IFN-gamma 释放试验。 7、测试 CAR 转导 T 细胞在老鼠原位异种移植模型系统中的体内抗瘤活 性。 8、 为了改善 CAR- T 细胞的体内疗效,将设计并实施策略,抵消肿瘤细 胞因肿瘤微环境诱导变化而产生的逃避机理。 四、风险提示: 1、本次签署的协议为合作研究协议,具体的实施进度存在不确定性。截止 到目前为止,该研究成果尚未取得专利权,仍出于动物试验阶段,临床试验时 间亦存在不确定性。 2、双方在未来的合作运营过程中可能存在一定的经营风险、合作风险、市 场风险及政策风险等不确定因素,因此公司提请广大投资者注意投资风险。 特此公告。 安徽乐金健康科技股份有限公司 董事会 2016 年 8 月 1 日 6