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- [41] Lipid metabolism in ferroptosis: Unraveling key mechanisms and therapeutic potential in cancerBIOCHIMICA ET BIOPHYSICA ACTA-REVIEWS ON CANCER, 2025, 1880 (01):Lee, Jaewang论文数: 0 引用数: 0 h-index: 0机构: CHA Univ, CHA Bundang Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Seongnam 13496, Gyeonggi Do, South Korea CHA Univ, CHA Bundang Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Seongnam 13496, Gyeonggi Do, South KoreaRoh, Jong-Lyel论文数: 0 引用数: 0 h-index: 0机构: CHA Univ, CHA Bundang Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Seongnam 13496, Gyeonggi Do, South Korea CHA Univ, Gen Grad Sch, Dept Biomed Sci, Pochon, South Korea CHA Univ, CHA Bundang Med Ctr, Dept Otorhinolaryngol Head & Neck Surg, Seongnam 13496, Gyeonggi Do, South Korea
- [42] Circadian clock and lipid metabolism disorders: a potential therapeutic strategy for cancerFRONTIERS IN ENDOCRINOLOGY, 2023, 14Liu, Mengsi论文数: 0 引用数: 0 h-index: 0机构: Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R China Hunan Univ Chinese Med, Hunan Key Lab Tradit Chinese Med Prescript & Syndr, Changsha, Peoples R China Hunan Prov Univ Key Lab Oncol Tradit Chinese Med, Changsha, Peoples R China Hunan Univ Chinese Med, Key Lab Tradit Chinese Med Mech Tumor Prevent & Tr, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R ChinaZhang, Zhen论文数: 0 引用数: 0 h-index: 0机构: Hunan Acad Tradit Chinese Med, Dept Oncol, Affiliated Hosp, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R ChinaChen, Yating论文数: 0 引用数: 0 h-index: 0机构: Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R China Hunan Univ Chinese Med, Hunan Key Lab Tradit Chinese Med Prescript & Syndr, Changsha, Peoples R China Hunan Prov Univ Key Lab Oncol Tradit Chinese Med, Changsha, Peoples R China Hunan Univ Chinese Med, Key Lab Tradit Chinese Med Mech Tumor Prevent & Tr, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R ChinaFeng, Ting论文数: 0 引用数: 0 h-index: 0机构: Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R China Hunan Univ Chinese Med, Hunan Key Lab Tradit Chinese Med Prescript & Syndr, Changsha, Peoples R China Hunan Prov Univ Key Lab Oncol Tradit Chinese Med, Changsha, Peoples R China Hunan Univ Chinese Med, Key Lab Tradit Chinese Med Mech Tumor Prevent & Tr, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R ChinaZhou, Qing论文数: 0 引用数: 0 h-index: 0机构: Hunan Univ Chinese Med, Dept Androl, Affiliated Hosp 1, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R ChinaTian, Xuefei论文数: 0 引用数: 0 h-index: 0机构: Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R China Hunan Univ Chinese Med, Hunan Key Lab Tradit Chinese Med Prescript & Syndr, Changsha, Peoples R China Hunan Prov Univ Key Lab Oncol Tradit Chinese Med, Changsha, Peoples R China Hunan Univ Chinese Med, Key Lab Tradit Chinese Med Mech Tumor Prevent & Tr, Changsha, Peoples R China Hunan Univ Chinese Med, Sch Integrated Chinese & Western Med, Changsha, Hunan, Peoples R China
- [43] Cholesterol Metabolism as a Potential Therapeutic Target and a Prognostic Biomarker for Cancer ImmunotherapyONCOTARGETS AND THERAPY, 2021, 14 : 3803 - 3812Zhang, Huixian论文数: 0 引用数: 0 h-index: 0机构: Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R China Tongji Univ, Shanghai 200433, Peoples R China Zhengzhou Univ, Affiliated Hosp 1, Dept Med Oncol, Zhengzhou 450052, Henan, Peoples R China Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R ChinaZhao, Wencheng论文数: 0 引用数: 0 h-index: 0机构: Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R China Tongji Univ, Shanghai 200433, Peoples R China Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R ChinaLi, Xingya论文数: 0 引用数: 0 h-index: 0机构: Zhengzhou Univ, Affiliated Hosp 1, Dept Med Oncol, Zhengzhou 450052, Henan, Peoples R China Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R ChinaHe, Yayi论文数: 0 引用数: 0 h-index: 0机构: Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R China Tongji Univ, Shanghai 200433, Peoples R China Tongji Univ, Med Sch, Canc Inst, Dept Med Oncol,Shanghai Pulm Hosp, Shanghai 200433, Peoples R China
- [44] The Glutamine Metabolism as a potential Target for Increasing Radiation Sensitivity in Prostate CancerSTRAHLENTHERAPIE UND ONKOLOGIE, 2018, 194 : S28 - S29Peitzsch, C.论文数: 0 引用数: 0 h-index: 0机构: Partnerstandort Dresden, NCT, Dresden, Germany Tech Univ, Med Fak, Dresden, Germany Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany OncoRay Natl Zentrum Strahlenforsch Onkol, Med Fak, Dresden, Germany Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, DKTK, Dresden, Germany Deutsch Krebsforschungszentrum DKFZ, Heidelberg, Germany Partnerstandort Dresden, NCT, Dresden, GermanyTyutyunnykova, A.论文数: 0 引用数: 0 h-index: 0机构: OncoRay Natl Zentrum Strahlenforsch Onkol, Med Fak, Dresden, Germany Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyChen, O.论文数: 0 引用数: 0 h-index: 0机构: OncoRay Natl Zentrum Strahlenforsch Onkol, Med Fak, Dresden, Germany Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, Germany论文数: 引用数: h-index:机构:Loeck, S.论文数: 0 引用数: 0 h-index: 0机构: OncoRay Natl Zentrum Strahlenforsch Onkol, Med Fak, Dresden, Germany Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyRichter, S.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Insti Klin Chem & Lab Med IKL, Med Fak, Dresden, Germany Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyPeitzsch, M.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Insti Klin Chem & Lab Med IKL, Med Fak, Dresden, Germany Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyHein, L.论文数: 0 引用数: 0 h-index: 0机构: OncoRay Natl Zentrum Strahlenforsch Onkol, Med Fak, Dresden, Germany Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyToma, M.论文数: 0 引用数: 0 h-index: 0机构: Univ Klinikum Bonn, Inst Pathol, Bonn, Germany Partnerstandort Dresden, NCT, Dresden, GermanySommer, U.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Med Fak, Inst Pathol, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyZschaeck, S.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Med Fak, Klin & Poliklin Strahlentherapie & Radioonkol, Dresden, Germany Univ Klinikum Carl Gustav Carus Dresden, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyRehm, M.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Med Fak, Klin & Poliklin Strahlentherapie & Radioonkol, Dresden, Germany Univ Klinikum Carl Gustav Carus Dresden, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyFrosch, S.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Med Fak, Klin & Poliklin Strahlentherapie & Radioonkol, Dresden, Germany Univ Klinikum Carl Gustav Carus Dresden, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyEisenhofer, G.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Insti Klin Chem & Lab Med IKL, Med Fak, Dresden, Germany Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyGroeben, C.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Tech Univ, Klin & Poliklin Urol, Med Fak, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyWirth, M. P.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Tech Univ, Klin & Poliklin Urol, Med Fak, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyKunz-Schughart, L. A.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ Dresden, Univ Klinikum Carl Gustav Carus, Helmholtz Zentrum Dresden Rossendorf, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyBaretton, G. B.论文数: 0 引用数: 0 h-index: 0机构: Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyKrause, M.论文数: 0 引用数: 0 h-index: 0机构: Partnerstandort Dresden, NCT, Dresden, Germany Tech Univ, Med Fak, Dresden, Germany Tech Univ, Univ Klinikum Carl Gustav Carus, Dresden, Germany Partnerstandort Dresden, DKTK, Dresden, Germany Deutsch Krebsforschungszentrum DKFZ, Heidelberg, Germany Tech Univ, Med Fak, Klin & Poliklin Strahlentherapie & Radioonkol, Dresden, Germany Univ Klinikum Carl Gustav Carus Dresden, Dresden, Germany Partnerstandort Dresden, NCT, Dresden, GermanyBaumann, M.论文数: 0 引用数: 0 h-index: 0机构: Deutsch Krebsforschungszentrum DKFZ, Heidelberg, Germany Partnerstandort Dresden, NCT, Dresden, Germany论文数: 引用数: h-index:机构:
- [45] The ALDOA Metabolism Pathway as a Potential Target for Regulation of Prostate Cancer ProliferationONCOTARGETS AND THERAPY, 2021, 14 : 3353 - 3366Kuang, Qiwen论文数: 0 引用数: 0 h-index: 0机构: Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaLiang, Yuxiang论文数: 0 引用数: 0 h-index: 0机构: South China Univ Technol, Guangzhou Peoples Hosp 1, Sch Med, Dept Urol,Guangdong Key Lab Clin Mol Med & Diagno, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaZhuo, Yangjia论文数: 0 引用数: 0 h-index: 0机构: South China Univ Technol, Guangzhou Peoples Hosp 1, Sch Med, Dept Urol,Guangdong Key Lab Clin Mol Med & Diagno, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaCai, Zhiduan论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Dept Urol, Affiliated Hosp 5, Guangzhou, Guangdong, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaJiang, Funeng论文数: 0 引用数: 0 h-index: 0机构: South China Univ Technol, Guangzhou Peoples Hosp 1, Sch Med, Dept Urol,Guangdong Key Lab Clin Mol Med & Diagno, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaXie, Jianjiang论文数: 0 引用数: 0 h-index: 0机构: South China Univ Technol, Guangzhou Peoples Hosp 1, Sch Med, Dept Urol,Guangdong Key Lab Clin Mol Med & Diagno, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaZheng, Yu论文数: 0 引用数: 0 h-index: 0机构: Guangzhou Med Univ, Affiliated Hosp 2, Dept Urol, Guangzhou, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R ChinaZhong, Weide论文数: 0 引用数: 0 h-index: 0机构: Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R China South China Univ Technol, Guangzhou Peoples Hosp 1, Sch Med, Dept Urol,Guangdong Key Lab Clin Mol Med & Diagno, Guangzhou, Peoples R China Dejiang Cty Peoples Hosp Guizhou Prov, Dept Urol, Dejiang, Guizhou, Peoples R China Jinan Univ, Sch Med, Guangzhou, Guangdong, Peoples R China Southern Med Univ, Nanfang Hosp, Guangdong Prov Inst Nephrol, Dept Urol, 1838 Guangzhoudadaobei, Guangzhou, Peoples R China
- [46] Target genes associated with lipid and glucose metabolism in non-alcoholic fatty liver diseaseLIPIDS IN HEALTH AND DISEASE, 2019, 18 (01)Li, Ting论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaYan, Hua论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Shaanxi Prov Peoples Hosp, Dept Geratol, Affiliated Hosp 3, Xian 710068, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaGeng, Yan论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Paediat, Affiliated Hosp 2, Xian 710004, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaShi, Haitao论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Gastroenterol, Affiliated Hosp 2, 157 West 5th Rd, Xian 710004, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaLi, Hong论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Gastroenterol, Affiliated Hosp 2, 157 West 5th Rd, Xian 710004, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaWang, Shenhao论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Gastroenterol, Affiliated Hosp 2, 157 West 5th Rd, Xian 710004, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaWang, Yatao论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaXu, Jingyuan论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaZhao, Gang论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Gastroenterol, Affiliated Hosp 2, 157 West 5th Rd, Xian 710004, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R ChinaLu, Xiaolan论文数: 0 引用数: 0 h-index: 0机构: Xi An Jiao Tong Univ, Dept Gastroenterol, Affiliated Hosp 2, 157 West 5th Rd, Xian 710004, Peoples R China Fudan Univ, Pudong Med Ctr, Shanghai Pudong Hosp, Dept Gastroenterol, 2800 Gongwei Rd, Shanghai 201399, Peoples R China Xi An Jiao Tong Univ, Hlth Sci Ctr, 76 Yanta West Rd, Xian 710061, Peoples R China
- [47] Target genes associated with lipid and glucose metabolism in non-alcoholic fatty liver diseaseLipids in Health and Disease, 18Ting Li论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterHua Yan论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterYan Geng论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterHaitao Shi论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterHong Li论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterShenhao Wang论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterYatao Wang论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterJingyuan Xu论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterGang Zhao论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science CenterXiaolan Lu论文数: 0 引用数: 0 h-index: 0机构: Xi’an Jiaotong University,Health Science Center
- [48] LIPID METABOLISM OF LIVER - IN CONNECTION WITH CARBOHYDRATE AND ALCOHOL METABOLISMSCANDINAVIAN JOURNAL OF CLINICAL & LABORATORY INVESTIGATION, 1966, S 18 : 62 - +BLOMSTRAND, R论文数: 0 引用数: 0 h-index: 0
- [49] Physiology and pathophysiology of liver lipid metabolismEXPERT REVIEW OF GASTROENTEROLOGY & HEPATOLOGY, 2015, 9 (08) : 1055 - 1067Ponziani, Francesca Romana论文数: 0 引用数: 0 h-index: 0机构: Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, Italy Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, ItalyPecere, Silvia论文数: 0 引用数: 0 h-index: 0机构: Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, Italy Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, ItalyGasbarrini, Antonio论文数: 0 引用数: 0 h-index: 0机构: Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, Italy Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, ItalyOjetti, Veronica论文数: 0 引用数: 0 h-index: 0机构: Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, Italy Agostino Gemelli Hosp, Internal Med & Gastroenterol, Rome, Italy
- [50] LIVER CARBOXYLESTERASES AND LIPID-METABOLISMHOPPE-SEYLERS ZEITSCHRIFT FUR PHYSIOLOGISCHE CHEMIE, 1980, 361 (03): : 267 - 267HEYMANN, E论文数: 0 引用数: 0 h-index: 0机构: UNIV KIEL,FACHBEREICH MED,INST BIOCHEM,D-2300 KIEL 1,FED REP GER UNIV KIEL,FACHBEREICH MED,INST BIOCHEM,D-2300 KIEL 1,FED REP GERHEILAND, S论文数: 0 引用数: 0 h-index: 0机构: UNIV KIEL,FACHBEREICH MED,INST BIOCHEM,D-2300 KIEL 1,FED REP GER UNIV KIEL,FACHBEREICH MED,INST BIOCHEM,D-2300 KIEL 1,FED REP GER