TO: MEMBERS OF THE CYSTIC FIBROSIS GENETIC ANALYSIS CONSORTIUM

Barker, U Alabama Birm, USA Kant, U Penn, USA

Beaudet, Baylor, USA Kitzis, CHU-Paris, France

Boué, Paris, France Klinger, Integ Genet, USA

Bowcock, Stanford, USA Knight, London, England

Cao, U Cagliari, Italy Lissens, Vrije U Brussels

Carbonara, Torino, Italy Loukopoulos, Athens, Greece

Cassiman, U Leuven, Belgium Lucotte, College de France

Claustres, Montpellier, France Malcolm, ICH-London, England

Collins, U Michigan, USA Malik, Basler-Basel, Switzerland

Cutting, Johs Hopkins, USA Mao, Collab Res, USA

Dallapiccola, Roma, USA McIntosh, WGH-Edinburgh, Scotland

Dean, NCI Frederick, USA Morel, Lyon, France

De Arce, Dublin, N Ireland Morgan, McGill, Canada

Edwards, Oxford, England Naylor, UT San Antonio, USA

Elles, St Mary's-Manchester, England Olek, U Bonn, West Germany

Erlich, Cetus, USA Orr, U Minnesota, USA

Estivill, Barcellona, Spain Pignatti, U Verona, Italy

Ferec, Brest, France Ramsay, SAMIR, South Africa

Ferrari, Milano, Italy Richards, GeneScreen, USA

Godet, Villeurbanna, France Romeo, Gaslini-Genoa, Italy

Goossens, Creteil, France Rozen, Montreal Children, Canada

Graham, Belfast, N Ireland Scheffer,UGottingen,TheNetherlands

Gruenert, UCSF, USA Schmidtke, IHG, Berlin

Halley, Rotterdam, The Netherlands Schwartz, U Copenhagen, Denmark

Harris, Guy's-London, England Super, Royal Manchester, England

Highsmith, NC Mem Hosp, USA Thibodeau, Rochester, USA

Horst, Münster, West Germany Tsui, Toronto, Canada

Jaume-Roig, Son Dureta, Spain Tümmler, Hannova, West Germany

Kalaydjieva, Sofia, Bulgaria Williamson,St Mary'sLondon,England

FROM: LAP-CHEE TSUI TOTAL NUMBER OF PAGES: 3

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NEWSLETTER #7, February 23, 1990

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Garry Cutting has reported a nonsense mutation in exon 20 of the CF gene. His letter is attached.