A SUMMARY OF ONGOING RESEARCII 1967 Universit-y Of Kentucky Tobacco, and Health Research -P:ro(jram Lexin n, Kept'Li 0, 302058529 BATCo document for Province of British Columbia 19 April 1999 TABLE OF CONTENTS Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 k Plant Science rir. Rogger Anderson. . ... . . . . . . . . . . . . . . . . 3 Dr. Lowell Bush . . . . . . . . . . . . . . . . . . . . . . . . 4-5 r Dr. Amber Cheng . . . . . . . . . . . . . . . . . . . . . 6 Dr. Daniel Layten Davis . . . . . . . . . . . . . . . . . . . . . 7 Dr, Claus Grunwald . . . . . . . . . . . . . . . . . . . . . . . . 8 Dr. Carol Keller. ... . . . . . . . . 9 Dr. Paul D. Legg . . . . . . . . . . . . . . . . . ... . . . ... . 10 Dr. S. J. Sheen . . . . . . . . . . . . . . . . . . . . . . . . . Dr~. -John Sims, Dr.'"Barry 816omfield, -.12 6- Dr.'.Charles Yang, Dr. Malcolm'Siegral. 13-14 :.e.~'icai Sci'ence- 1'#_ 4 MLI A, D_ r. ~Iohn V, )aenner-, Dr. Dona lk'Rurdic)C, Dt, -Harold biztc~n 15-16 Dr. -~Ilis V., Brown - Dr. John rr"rt Dr Jobn 14. Fattersori, Dr. Valter,T. Smith. Dr.',Al6xiv Zane ~21 medical Scielic"-- -22 302058530 BATCo document for Province of British Columbia 19 April 1999 (Table of Cuntents continued) vr. James W. Flesher . . . . . . . . . . . . . . . . . . ... . . . 24 Dr. Loren J. Hum-,roy . . . . . . . . . . . . . . . 25-26 F- Dr. Frnes-1 Lalonde . . . . . . . . . . . . . . . . . . . . . . . . 27 D.,:. E. Doaqlas Rees, Dr. Paul Mandelstam . . . . . . . . . . . . . 28 Dr. Irene Roeckel .. . . . . . . . . . . . . . . . . . . . . . . . 29 Dr. Katherine Sydnor . . . . ... . . . . . . . . .. . . . . . . . . 30 302058531 BATCo document for Province of British Columbia 19 April 1999 INTkODUCTION The University of Kentucky Tobacco and Health Research Program The Ur..~.versity of Kentucky Tobacco and Health Research Progra- i 5 cooperative with the U. S. Department of Agriculture, Agricultural Research Sezvice. The program was developed to elucidate the interre- lationsbip -Zetween tobacco and human health. Three major research areas, plant sciences, chemical, and medical-- ~jciences, each coordinated- with the other, make the program at Kentucky unique. The plant sciences research emphasis is focused upon the synthesis of health-related con- stituants amd biological methods for their control- The cheia~al sciences are emphasizing the interrelationship between leaf constituents and -smoke composition. The medical sciencem. are developing techniques to.more precisely iclenti.fy biological activity oftobacco smoXe fractions as they relate to human health. Although the'major objective-at pre'sient, is dire-qted toward those COM- ni r on i's being . Pounds It re~late to c;a;x5clnog6nid activityi do' ide'ikti -.given to other _S~is~pect'rompounds. report-ad, au healthy ejated. r The program, Yftfs~vion- Is-'to *7ftan1UF`t1ir tde,~hkc Y a more usef-al ptoduct. en'i~s pre upon Plant Siziendez Coiiutipu seht-in the tob CF6 -a o; Jea:~ -T,77 Lol.yzi-Lb givie~ j~j-aiiw uo rne amo.Ke traction _.identifiect i's - rran _J~ t..to elucidate'the pathwa of"A' tfie6fS -a:rAthe factors, Y;; Yn that Inf-luelace those, pathways-., Among loaf Jo-ogstituorits- report e4- a~s 302058532 BATCo document for Province of British Columbia 19 April 1999 2 compo,--inds. Research is now under wdy on tho metabolic path,,,,ays, genetic cont-_!~O, minoral auticition, and the influonce of field and storage microorganisms on leaf composition. Chemical "cicnce: The health-I-ralated compounds in tobacco prroku 6 o not necessarily exist in fresh or cured tobacco leaf, but may arise as by-products of pyrolysis. Leaf constituents may be transmitted intac in the smoke or break into numerous chemical fragments or recombinz to Wield heal-th-related compounds. The chemical sciences are undertaking two majot-#fforta.. (1) The study of the interrelationship of leaf con- stituents to smoke composition and the fate of smoke-fractions 'in the hott-cell as measuedd by analysis and (2) the influence of pyrolysis environment upon health-related compondhts in.the smoke, medical 9cie-tidest- -Compounds in...,Eobacco smoke are identified as biologically active (~ieaklth:-relatad) when tbeii presence in the cell of" !~th.lp jhqat diatur);>s the normal function- -of that cell. once identified as echni~ves to measure its import"Ce to V. Numan health 'must -be -developed.~. Present teglMicLues f4or th6 bioassAy qf- tobacco smo" 'constituents- leave much to be -dpasired,. Medical sciefit~ltts are researching- Aumr6vA I*vi" *ystei~i both- intact and cultured, to -the. re olvin4. er Of- the 41384 'POW ~y SYStQM. 302058533 BATCO docUrnent for Province of British Columbia 19 April 1999 3 Dr. Roger Andcrson, Asst. Prof. (Adjunct) of Agronomy Spacialty: biochemical rebudrch Interest- Studying phenolic compounds in tobacco. Specific objectives: 1. To develop methods for rapid and accurate determinations of microquantities of the principal polyphenols in tobacco. Methods receiving particular attention are spectrophotometric measurement and gas chromatography. 2.. To employ ang_~_ytical techniq,4es to determine effects of tobaccogenotype, growth, curing environment and the compo- gition of plant potlyphenols. Previous studies indicate that curing conditions greatly affect the concentration of pbenols.-In. the leaf. Goals:.,- -To -reduce or-eliminate p~enols,*knowncarcinoge'As,-from thd 'm 86~k -xwthod -at.. Rzodu'ding-a-safer o 302058534 BATCo document for Province of British Columbia 19 April 1999 4 Dr. Lowell Bush, Asst. Prof. of Agronomy Specialty: -plant physiology (seed physiology) Interest: Study the biosynthetic and metabolic pathways cf secondciry amines and other nitrogen compounds, ubz;erving their translo- cation and redistribution in tobacco plants. Specific objectives: 1. To study ho w enzymes influencu ti-te assimilation of nitrogen in tobacco. 2. To study the movement and accumulation of nitrogen com- pounds, particularly secondary am:Lne alkaloids. ThIs is done-by treating tobacco plants with various chemicals which retard water loss by the plant but.not plant growth. Leaves, stems androots are then separated, and the various alkaloids'in iaadh plant -part' are determ;Lned and acorrelated with the amount of wai,-er whidb has move.d through the plant -parts. 3. To investi amounts of onzymic,act ivity necess ary f -gate the or -synthesis of compchinds ult .imaItIi;lY- amine. alkalclida! --within the plant..,.Enzypicabbivities arb measured in tobacco plants at,various stages 0 deve op- -irom. ental ment ~ and in ttosa7 produced under diftex4anv env. conditions, xA7 302058535 13 ATCO document for Province of British Columbia 19 April 1999 5 plants. The concentration of nitrosamines, kr.,-',-iI c:arc-.-,OCjCIISI in tobacco smoke may be depondent on levels of nitrate and secondary amines in the tobacco leaf. 0 302058536 BATCO document for Province of British Columbia 19 April 1999 Dr. An,,-'er Chonc;, Asst. Prof. (AdjuncL) of Agronoi-,iy Specialty; lipid metabolisms interest: investigate sterols and residual compounds in tobacco related to the use of sucker control cheirticalS and other treatmentc. spccific Onjectives: 1. To slitVCy how Lhe sterol content of tobacco is aftected by pre- and post-harvest envixonmental conditions. 2. To study the enzymes involved in the formation and trans- formation of sterols during growth and curing.. 3. To 'study the effects of suckering chemicals on the chemical composition of-field-grown tobacco. Focus Is.placed-on-the- amount of sucker control residue present in green and 6, cured tobacco leaf, activity of the chemicals, and thdir effects on-plant constituents. Goals: 1. To regulate-the metabolic pat cionteni in tobacco., sterols-pay be._- 2. -To determine if res idues from supker control chemicals'arii 302058537 BATCo document for ProVince of British Columbia 19 April 1999 Dr. Daniel Layten Davis, Asst. Prof. of Agronomy Specialty: physiological genetics Inter-estt To study the genetic control of synthetic pathways involvinq sterols and certain nitrogenous constit"ents in to'bacco. apecific objectives: 1. To analyze varied tobacco tissue samples to determine genetic control of sterols and nitrogenous constituents. Special emphasis is placed on the secondary amines such a s anabasina, diethylamine, myosamine, nornicotine, piperidine--- and the related compounds nitrosamine and diazoalkanes. 2- To produce seed -of aeveral generationt. from tobacoa_,srai~letieq which are low and high in the stat ed compounds. 3. To meabilrd the effect of environmental and-idevelopmental factoia gn'these c unds~ OMPO 4. Attwpj_l to develop pure lines which po"ess very.low and ittem Goals i ."To ftudy- the '9enetId'6on'tr;oI of. hea1th-x4blatiA c6nstit;uents in tobaccd. This goal.will'be att~6pted by invqst igtt ifig, -the 'hesis,' --well *&-mo" fac -in- biocl)er~ical -synt as of inharlitance,. of these 'compouride. 302058538 BATCo document for Province of British Columbia 19 April 1999 Dr. CI-aus Grunwald, A--.-,t. Prof. of Agronomy Specialty: steroid metabolism, plant growth regulators, ion uptake interest; i*nvPf4ViUmt,& the rrctabAJ--; piucesses and possible regulation of, sterols and indoles in plants. Specified Objectivos: 1. To develop a method which wi.11 yield quantitative and qualitative analysis of sterols. The analytical method will be based on liquid/liquid and gas chromatography in conjunction with ultraviolet and infrared spectroscopy. 2. To isolate and identify sterols found in fresh and cured tobacco. To follow sterols synthesis at different physio- logical ages of.the tobacco plant. nes by measuring- 3.. To-study the effect of steeols on call membra the diffusion of radioactive compouiids~through the membrane. Also 0-hanger. in membrane structure Ifill .1m,.,irivestigated., Goa I,S - To ascertain if tobacco Osqr-910- -are, bLe" th_r~ la'te4. f~om.tobacco-may ii4giuenao o~~ 1.,d4vizion -,jand cell permeability il~~ much the pame. way as.-certain oteroidhormqne .-,'If*.~ite~rols have a, physiological, gunction in i6biacco, the lowbst functional t4 air, aaav_it~ -may --alob sterol level. must Ip determiRod A~4.qe affect tfil~. whole, zi4abolic bioi~rnther-is- of tha plant. 302058539 BATCo document for Province of British Columbia 19 April 1999 A'; Ye Dr. Carol Keller, Asst. Prof. of Agronony Specialty: plant pY,..siology and bicchemistry Interest: To inve6tigate the biosynthesis and metabolism of rutin and certain sterols. specific Objectives: 1. To study the olienolic c6ni.LiLuents of fresh tobacco leaves and determine how environmental factors modify these physiological processes. Emphasis is on the study of chlorogenic acid and rutin, the principal poly- ph-anola of tobacco.. 2. To isolate and characterize enzymes necessary for the synthesis of p1henols in"tobacco. BATCo document for ProVince of British Columbia 19 April 1999 Dr. Paul D. :,I~tgg, Asst. Prof. (Adjunct) Of_A9I:UI-IUI-WY Spociaity: quLr~titative genetics and biomctrics Intere-St: 1. The s-_-,idy of characters in tobacco that are inherited in a ;uantitative manner.. 7, Ouantitative genetics tbeory, Specific objectives: 1, To o7->tain information on the inheritance of ag=nomic and chemical characteristics in tobacco.' 2. r2o.utilize genetic information to develop effective breeding methods for Improving burley tobacco vari~_-Ues.. Goals: 1. To determine. the poteAtialities- and limitatto" of imprbving tobacco -through cp.netics. 12. 'To outline and utilize the-beat piocedu;es-fo; developing burley varieties most ~assful to' tobacco -groweri; and. 302058541 BATCO document for Province of British Columbia 19 April 1999 Dr. S. J. Shuun, Asst. Pro-k. of Agronomy Spccialty: physiological genetics 1"LU.A. U~- L : Investigate the generic control of cheaMical con5tituents in tobacco in order to incorporate desirable-charactori5tics into commercial tobacco varieties. Srecific ObjcctivcG~ 1. To study gene enzyme systems in relation to the metabollism of secondary metabolites in tobacco. 2. To survey the spectrum of enzymes involved in the regulation of the synthesis of pdlyphdnols and secondary--amines. 3. To study substrate specificity, activation and suppression of enzymes correlated with the quality and quantity of second.-iry metabolites. 4. -,To dis-cover regulator_y-mochanismsof gena-action during the varl us Olases -L6f tobac-~, development, % -4- To-peoduc4i'tobar-co, vakri "dties witl~ reduced qu&ntitie~-,-of c6hdary Thislit- -96~06d&&yj -tas are-p're- petaboli curs6rs 9f suspe ct:4d heailth-!~-xe,lated cqnstituints'in tobacco. j3 moke. 302058542 BATCo document for Province of British Columbia 19 April 1999 !7- M, 12 Dr. John Sima, Asst. Prof. of -Aqr0:10mN' -3 arry Dloom Dr. field, Asst. Prof. of Aqronomy Specialty: nitroqen trans fox-mation in ill nitr,,4ta, nutrition of plants Interest: investigate how varying 5oil, fertilizer, cultural practices. varieties, and curing methods affect the levels niF which are conSidered to bc pi:ecursors of nitrosamines in LoIjacco smoke. Specific objectives: 1. To alter the composition of tobacco by changing soil type, nitrogen fertility, soil moisture and other cultural con- ditions. 2. To idefttify specific factors in the growth environment that effect the aitrogen nutrition of tobacco and-to re- late these factors to tbe,syntheeis of nitrogen compounds- Goals: To develop the agronomic- practices necessary. for__pri~dictinq and controlling the r_ttZZ;g!v1oUs compounds of -tobacco plants. Cqpposition of th.e~ tobacco leaf is affect6d'. greatly by the fertility levels'of the soil, i~ whiCh tobacco Factors affecting the n n composit~on.of toba=o' is grown.. are particularly importair~t inany attempt- ammit C- jc~ Oata~aL- t Of, --Zdt ~A ines. 302058543 BATCo document for ProVince of British Columbia 19 April `1999 13. Dr. Charles Yang, Asst. Prof. of Plant Pa%';-iology Specialty: fungal physiolog-Y, soil ricrobiol-igy and electron microscopy Di% 1,,lalcolm Sic4el, Asst. Prof. oi Plant Pathnlocvv Specialty: fungal physiology Interest: Investigate the--carcinogenic and other toxic metabolites pro- duced by tobacco fungal flora. Specific objectives: I.- To study changes of the yearly occurrence, distribution and composition of fungal flora from dark air-cured and burley tobacco. 2. To estimate the frequency of occurrence and toxin produc- tion in.yearly_changes- of the Aspqrgillus flavus--oryzae group, fungi.of the-dematicae. 1. To test thei'fungal ext racts--for toxiz~s using bacteria, 'chick embryo or animal t.issue culture as a bioassay method. 4,,... To study the physical,and chemical characteristics Qf fungal toxins. Included are the effects of envir6nmetUt P~1, tem- ~"nutiienti ~Lfid of, z~gal cultures on, toxin Z r produption; Al Q hold toxifis affect respiration,,' _growth, metabolism and 1~7rpeabllit _y 6f,. organism6, 1. To idgntify-the fungi-In' tobacco heaves whicb produce to.ic, -metabolite* and Which . ories -,.;'kre cibnoistent in .to'baeco~ --- - -- ---- --- 302058544 BATCo document for Province of British Columbia 19 April 1999 Proccssin.. pl:elir,; 14 Prqscr", "'ary f'ndilqs known the carci lsOli"ted f--;- r'OV'111 Pr,,d,,,6 2- To ly funqi Production. unmental Conditions that 3- IOX.In establish activities of tc"iz Order to d0terMin, colnUntirl'. sIgnifica,ce as ii-~ cOMPOUnds. health-related 302058545 BATCo document for Province of British Columbia 19 April 1999 7 71 N.X, Dr. joh)-i F. licnn,r, A:~i_-it. Prof. of Agr,wiomy Dr. Donald 3urdick, A6st. Prof. (Adjunct) of Agronomy Dr. Harold R. Burton, Asst. Prof. of Agrzanomy Specialty: organic analysis, Lobacco and Interest: To develop and evaluate C-igarattc modifici:s which alter smoke composition. SpCciC_ic Ob*ecLives: 1. To investigate the offectb of various "Cheruical modifiers" on the burn characteristics of tobacco and the composition of its smoke. Several classes of chemicals are being in- Ve9tilatdd which imclude: oxidizing and reducing agents, flame-proofing compounda, hydrated salts, free radical initiators and scavengers, and other chemicals knowxL-to alter-tbe.combustibility of cellulose and lignin. Burn o_O temperatu Iies of the treated zigarettes, as,well,zs .the levels of total paXticulate matter, nicotine, pheno.1, benzo(a) pyrens, and-othex-smoke constituents are being determined. 2--; To inveftijftit t- he rnode of the 1 deg dation of.tbese 1 rma ra _iNv c 'hemically treated tobaccos by thermougravirrtric analysis ands d'iffer=tial tberma'l anilyses. ._1*41_._t1,__w1&i11cn, red=e~ the concentration of those constituenta in-tobacqo si~oke. which have baen imp~i_ Fated,ih the__bealj:h problem.: Upon-achieving a significant 302058546 BATCo document for Province of British Columbia 19 April 1999 aitQraLlor. in the 1,_!vels ct one or more of thc,(-_- col-,- AV- stituents, 6moke the condensate will be z;ubmitL.d for bic- assay. oals! Nil- To study in depth the chemical composition of cigarctte smoke to include the mechanisms of formation-and ive -- selec rcdu~z tion of various smoke -constituents which ar e health-related. L T. 00 4- 302058547 BATGo document for Province of British Columbia 19 April '1999 Dr. E),Jis V. Brc)wii, Prof. ana' of Department of Clioizii-f;try Specialty: organic ChEl.-MiStry-rLaCtiOn mechanisms, hcterDcyclic chemistry, carcinogcnesis Interest: To invastigate the chemical composition of the heterocyclic Ova bases in cigarette smoke. Specific objectives: To-isolate and identify nny nitrozdutines tound in tobacco and tobacco smoke. Goals. ~74 To determine if secondary amines intobacco and tobacco smoke may react with thd nitrogen oxides-fotmed during combustion to produce nitrosamines, known carcinogens. -4- 302058548 BATCo document for Province of British Columbia 19 April 1999 lu Dr. JDhn Green, Assoc. Prot. Of Agronomy 5 experimental analytical biochemistry, instrumentation 5,pecialty: I development, and sub-cellular physiology Interest: 1. To analyze tobacco and tobacco smoke condensates. 2. To conduct research and development of experimental tech- niques on -instrumentation re].Rt--,~d t-t- tobaccc and hcalth research. 3. To manufacture experimental cigarettes and prepare cigarette smoke condensate. 4. To conduct research and testing of conventional and ex- perimental bioassay procedures. 5. To conduct research on the subcellular fate of-tobacco .smoke constituents. Specific-objectives: 1. To dire t an analytical activities laboratory for service-_ tQ, tobacco -and health researchers a~; the University of Kentucky. Det.em. inatiQfis of- cohstitizehts'conITUOnly -used for xneasuring t0aqqo,charAc.~;eristics, -aLud.-qua1it~y wiM be_.. 2,, 'To dirffct a - Smoke c6ndensratq --p6itegtopp-ill, vices inclucte the-,ma-hufacture of'-akperimeritAl' cigarettRas, selection and'stor e, of. standardiZVd'_&i9,Uiat;~si chino ag ttouAtw Mmi, and.,smoke condensato std~ringi 3.. To desipt in,--the d.evdlQpment. qf -experimental,- ~procedures, Ch 302058549 BATCo document for Province of British Columbia 19 April 1999 4. To con6uct StUUiOS Of--Lhe subcullular fate ol smoke constituents. Goals: 1. To develop and evaluate now analytical proced-ures for de-termining health related organic compounds in tobacco and tobacco smoke and for determining their effect on cells and tissues. The procedures will be directed toward de- termining environmental or genetic effects on large nuziibers of experimental samples. A quick estimation of chemical changes in tobacco will therefore be availablea 2. To-define biological tolerance of tobacco smoke and its constituents in-its entirety. 302058550 BATCo document for Province of British Columbia 19 April 1999 Dr. J01,11, M. PattCr3011, .-rOf- Of C.-,0mi`;trY Specialty: organic clhemistr7--chemistry of heterocyclic ~Ompounds, A nitro czmpoundg, high temperature rcactions and photc-- chemical reactions ,7 ~_4 - jW Dr- wp~ltci: T. Smith, Jr. , Prof. of chemistry , Specialty: organic chemistry--relation of structure to biological activity, organic synthesis and bigh temperature reactions. Interestz investigate the chemical composition of the pyrolytic products of amino-acids. Specific objectives: To determine whether and how certain-vatiables (such as :9truc-_ tural alterations and temperature) influence pyrolysate composition and whether low temperAtute alterations of amino acids (amines. and substituted diketopiperazines) are inter- diates in the high temperature.process. e m Goals. To provide.informarion about the,nature of the pXocess by which argamic moleculizA. are. Arenes and substances which may be cazclnogonic, 'I is -believed- that -an-understanAiiig Qf the. basi6 pyrolyzi& proce" 'will fa' cilitate the-eventual ra461ution, of, thei"tobacb6-health, -ptoblem. *The compounos atuaied 'here occur..,,iz the Irot-i~iU- -zx -ia67U_ia.sujpply cionsiderable infoimatlpn about' th e%eneration qf'carclin a ic mgterial durizig the burnin n 302058551 BATCO document for ProVince of British Columbia 1 19 April 1999 Alexis _-'anc-, Asst. Rrof. of Ajronomy r:t~~ ty: plant polyphcnulics, isolatiuii and idcntificrt:ion Interest: To dcvelop an improved anAlyt-ica_' tor cietormining polyriuciear aromatic hydrocarbons and heterocyclic compounds in cigarette smoke. Specific objectives: To develop isolation techniques and more rcliaLl= analytical methods for determining the concentration of certain poly- nuclear hydrocarbons in cigarette smoke. The method requiring the shortest performance time using the smallest number of cigarettes and with repradutibility comparable to present. methods will be preferred. Chromatographic, ultraviolet and .,.,sRectrophotofluotometric techhiques are used. Goals- Todetermine the substances which account for the carcino- genicity in.tobacco smoke or-wbich, acting-coordinately with'! others, are inorf* carcinoge4# than". as'-indiviftil cohipouncls, -yj----6bMC,bT- L-he-se'- ompoupd!i are polynuclear Ako' _Q~xita_Lpozaiba mat ic:~byiil~c-~,rbons, 8552 30205 BATCo document for Province of British Columbia 19 April 1999 ir- Dr !~orLcrt nraunL;t c _n, Tuj~_(,c. Pro 1. 0VaLho I Qqy Suorinl-,,: hi~~.DchcmjL;Lry of liver Dr. Tatsuo Yznayama, Asst. Prof. of Pathology Specialt.,; lung disoasc. haamat-1 jy Interest: Lnvestiqate the biological as6aying of various tobaccos, smoke oT.ensates, and related substances for carcinogenic, cocarcino- c ge.-Iac. and related activities, Specific objectives: I- To evaluate research samples of known carcinogens and smoke condensates for their tumorigenic effect on mice by the nouse-back painting techniqu6. 2. To determine.tumorigenic effect of..samples of tobacco ex- tracts and cigarette smoke condensates,' including samples controlled by Aifferent agronomic, cultural, curing, genetic,- andling and marketing conditigns. -Tobacco leaf extracts are,also-tested- Smoke. condensates' from'cigarettes, pon- 7 taining various chemical modifiers aLteting smoke comp6slt.lbil Goa To dej;.Vrmine the degreel9f carcinogenicity.or cocarcinocjenickty Qf tobacco samples. 302058553 BATCo document for Province of British Columbia 19 April 1999 2.3 Dr. Grace Doniiellj,, InsLr,,cLor of Cell 13ic)lc)gy 7 R! SPLcialtY: mitotic phenomena, cell division phenoinena InteresL: iiivestigate tracheal rings as a bioassay technkque. Specific Objectives: To grow in vitro cultures of tracheal epitheliiLr, under con- trollod t.;ii:euntstances, to expose them to tobacco smoke conden- sate and to test them for possible effects. Goals: To determine the effect,of tobacco on tracheal i r ngs grown in tissue cultlite-for us in developing a new , rapid bioassay system. 302058554 BATCo document for Province of British Columbia 19 April 1999 '111., 4-7-r-, Dr. James W. Flesher, A--L;t. Prof. of Pharmacology SpQcialty: biochemistry, pharmacology Interest: 1,ive.-stigate the distribution and metabolism of benzoia)pyrene. Specific Object ve.5: 1. To determine the effects on rat tissue--marinary, Lung r benzo and (a)pyrene, 3-methyleholanthxene and =mom 7,12-dimethylb~anxanthracane. V~r 27-7 2. To determine the effect phenanthrene has on benzo(a)pyrane. M, 3. To identify metabolites in tissue as a result of the a W-, -UP prosence 6f -phonanthrene and benzo(a)pyrene. Goals: To determine -chemica.1 changgpL--in. benzo(a)pyrene when is in tissue, and the-effect of benzo(a)pyrene-and its p3Zq on ducts.. tiss ue.. 40471 302058555 BATCo document for Province of British Columbia 19 April 11999 Dr. Loren J. HuT~..-.rrey, As~,,i)c. Prof. of Surgary and Celi ijiology Specialty: _--,miunology of carcinogenesis Interest: Investigate the response of virus-cell culture systems to tobaccc, smoke condensates. Specific Ob3ectives: 1,,, ~tiieiy -tb~- a(-tion of methylebolanthrei-io -with anc. without a cell-free extract of a methyleholanthrene-induced sar- coma in-vivo and in vitro as a carcinogen or co-carcinogen. 2. To determine if the cells maintained-in tissue culture and exposed to..methyldholanthrene contain a virus-like agent and/or to develop the neo-antigen seen with transformed malignant cells in-vitro. 3. To determine if the sera from rabbits injected with the methy1cholanthiene-induc6d"sarcoma or mice. immune to, the methyleholanthrene sarcoma conta-in -a- tupiot specillic antigen. 4. To pre'pare a cell-free, extract from cigarettip smo.le con- der-S 4te- Inoue esarcmas apa inocu;La r-n s no, 'and in-mc -E~O 'determini the car- Mp t i ue cu_1tiire9_._- cinogenic or- co-carcinoejenic pctency of such an-extract,~ lmwanolp%ic atiAdies will.be performed. to determine whethor ea_ a& a.. i4~v_ transfqrmed cell$,. Goalas DOM& rar-, W_ 302058556 BATCo document for Province of British Columbia 19 April 1999 cigarette smoke condensates in order t-: dcvclc-,,-- ~ now bioassay system. 2. To determine the role of condensates in t1jo format-, oil u.Z normal cells and relationship of the colidensaZes to factors contributed by the host during the maliqzant pro- cess. Iz- 302058557 BATCo document for Province of British Columbia 19 April 1999 71 Z..' Ve.., L K-~ I)r. Ernast Lalonde, A2st. Prof- of oral Pathology Specialty: oral patbology, oral absorption Interust: Investigate the effect of tobacco smoke condensate on oral carcinogenesis in hamsters. Specific ObjcctivE..,: To measure the amount of abwrrtior and tuia-Lgeaicity ot radio- active carcinogenic, cocarcinogenic substances or cigarette smoke condensate on the cheek pouch of Syrian hamsters. Goals: Ta -develop a new bioassay metbod for deter*ininq tr-e carcin0_ genicity or cocarcinogenicity of cigarette smoke condensate. 302058558 BATCo document for Province of British Columbia 19 April 1999 "t*~ X9 'I A. Iq 5421i, ~V2 I A- T_ 28 Dr. E. Douglaz Rees, A:isoc. Prof. of Medicine Dr. Pa-..~! Mandelstam, Assoc. Prof. of Medicine S ecialty: bi-~t-~-mi Rtry, !I-'trarest: investigate absorption ot carcinugenx and Structurally related non-carcinogens from the gastrointestinal tract of rodents. specific objectives: To conduct in vivo (by intragastric adzhini st ration) and in vitro (using small.inteatinal sacs) studies on the absorption and the tissue-concentration of the carcinogens 7,12-dimethyl- benz(a)anthracene, 3-methylcholanthrene anclbeazo(a)pyrene and the non-carjaizkogens Shrysene, benzo(ghi)fluoranthene, and benzo- (e)pyrene in the gastrointestinal and other tissues of rats. 302058559 BATCO document for Province of British Columbia 19 April 1999 so c loeckel, At~,SOc- prof, of Pathology Iren .. Speclalty, pzthology investigate respiratory epithelial cell turnover. Spe-c-ific o discover during their life span Wbat is the normal ccil 21, in the "inbred high spontaneous tumor" strain "M mice (A/Lj) and the--low incidence tumor- strain mice (C57 BL/6j) at various ages. Goals: To eOtzibliSh respiratory epithelial cell turnover as a test system for determining carcinogenicity and.cocarcinogenicity of cigarette smoke constituents, 302058560 BATCo document for Province of British Columbia 19 April 1999 3 0 Dr. Natlierine Sydnor, Assoc. Prof. cf Medicine Specialty: cndocrinclogy, biochemistry Interest: Investigate the effect of aqueous extracts of cigarette smoke condensate on the formation of tumors in rats. Specific Objectives: 1. To administer tobacco smoke condensate in the drinking water of rats, noting its effects--toxicity, Pff,-cts on weight, amount of water consumed. 2. To determine the effect of-an aqueous extract of cigarette smoke cofiddilgate on the induction of cancer, Benzo(a)pyrene is administered, animals with tumors sacrificed, and patho- loclital tissues prepared for- microscopic examination. 3. To determine the effect.of the aqueous extraq~_.pn liver enzyme activities.involved in the metabolism of- poLlynuclear aromatic hydrocarbons. Goals: I--- To eva.Lua e.Lii the inductiori of cancer.:by -different, tyve-. of dotage. 'To evaiuate- tfie'- 'carcinogenic 'effect afaqueous extracts-, of of tu3dara at~ ndi~ff t__' 3. To re,~om"nd the pqssible.'applicatioh of these-resuits __k6ward ~!1.0 Y~t Qf et now b 7-= v_A 302058561 BATCO document for Province of British Columbia 19 April 1999 Dr. Daniel WeisK, PrDl:- Of Pat"01097Y Specialty: pathology Interest: -W machanism5. of carcinvgenesiS in wholc animals; roles of vircil and chemical agents independently and in combination in tne induction of pulmonary tumors; variability of strain and individual susceptibility. Specific objectives: ,-AX^W- X r 1. To obtain selected skin specimens ftum wice whob. were reVlarlq, painted with tobacco &moke condensate. Then tha cells are examined under the electron microscope for.structural changes. To investigate-Ly transplanting ihduded ttufiorss those tna~-- lignant characteristics which can be identified early in tumor development. To investigate the inter-relationship of genetically stable animal strains, nononcoge.nic'virmAos, and chemical ca~rcino-_ gens in the development of pulmonary tumors. Goa Is i -4, 1. To determine'the,,t=origenic effect of different types 0 ~2' To recommend the possible' al~pUcation of thsse~~results toward th~pF deVOopuwizit~ ol a iiew.bioaasay system.--. Y.Tlil'-, -7--i 302058562 BATCo document for Province of British Columbia 19 April 1999 J)r. r-"ji'Ll - I Assoc. Prof. It Bi0che"stly V~h -~ t C Ilectron transport, phospl,,,~ lipid netabolis-.-a nterest: stigate the electron transport Syster, 0t bacLe.L.L11- inve . us and StaPhYlOcOccrs d1irens- nelaninoqenic Sp,cific objectives: y pigments Of __~;r-e To-iCOIN". apd, chara.cterizO respiratOr multiple enzyme electror, trallsport system of BacteriO616 melaninogenicus. By adding hemin to the growth medium the . formed, Then respiratory electron transport sYstem 's ptc)teins are_ identified and assayed I I~,Y pigments and _flaLvd 'known Methc(is -factor.1 iry,lv,d in the formation If investigatd thiff 2. To em in tactetiodeg melaninoqenicuS tbe electron tranapor~t sYBt are rel4ted t-0 neoplastiC f0-m-ati0l". and how they -n.tfie electron the effdat -of the carcinOgen NO .ONO 3. To studY *.k -*he -effect -Qf "k0 deVZ109. arl El 4. enicus, that effQqt,-whidh lAigiieking iodes me'J'anin0a -19 wil_1 then be plastic cel ..Vhis System~ in no". ion (a -ihe bilitY Of the thiocYana,_ Ut_i I iz d tci teirt -a Jactron trant;po~i- a"e 04 System- W 'Goals - cf the r#.e 'th6 fo=ation. t;~rs WhIch Va 302058563 BATCo document for Province of British Columbia 19 April 1999 electron transport system in Bacteriodes a 'ase for the development of a bioassay method f-,r deter:.ining the carcinogenicity and cocarcinogenicity of tobacco smoke. 302058564 BATCo document for Province of British Columbia 19 April 1999