OCR Text |
Show 4-4-4-4-4-4-4-4-4-4- 444-4-4-- j 4- -- sapwf 4- HEART TISSUE KEPT ALIVE 4- ' Iwkl 4- OUTSIDE OF THE BODY. 4 $ 1 rom New York, May 2. An ac- 4- ;AP-j 4- count of some remarkable ex- 4- fwll 4- perlments made at the Rocke- 4-. rj f 4- feller Institute for modical re- 4- ' 267J 4- search with tissues from the 4 jk t 4- heart Is given by Dr. Alexis 4- j j 4- carrel, director of the Institute, 4? )r I -t- in a report just published here. 4-, J - Dr. Carrel announces that he 4 Yffi 1 4- was able to keep pieces of the 4-, vt j 4- heart tissue pulsating rhyth- 4 r f'ii 4- matlcally outside tho organism 4 ' jo?- 1 4- from which they were taken 4i f' w II 4- for more than two months. 4- ) L ' i 4- The fragments wero preserved 4-! (af a 4- in glass jars, in suitable me- -r- .car tt 4- dia. 4-: Ma .4- Tho experiments are part of 4- - ' Jj 4- a series to doteimine whether 4- fill' 4- or not the life of tlsBue can be , I M 4- prolonged indefinitely outside -4; f ' 1 . 4- tho body. In this connection 4" cn 4- Dr. Carrel expresses this opin- 4-' f- 4- ion: 4- ' I 4- "It Is conceivable that the 4- 111 4- length of the life of a tlssuo 4- I J 4- outside of the organism could 4- , jiied v. 4- exceed greatly its normal dura- 4- "tone 5j 4- tion in tho, body, because ole- 4- & 'Jj 4 mental .death mfght be post- 4- 1 $ 4- poned indeflnlto'Iy by a proper 4 jn fa 4- artificial .nutrition." ;enjffl -- Then follows this state- 12tjfl 4- statcmont. 4- . l 4- "Subsequently I developed -f- 1 u 4- other techniques by which it 4- v 1 0 ! 4- may bo possible to obtain per- -4- , j 3 4- raanent life of tlssuos." 4- r 4- In ono of tlie experiments- 4- , I 4- cited, a fragment of heart tls- 4- J -j," -f sue, cultivated In hyptonic 4- lt?'fl 4- plasma, pulsated regularly for 4- , ! I - several days and grow oxten- -t- jS3(ia fc alveh. After two months tho 4- -fH 4- tissue was dissected and a 4- r wTne 111 4- small central fragment remov- n'wi 4- ed and put In a new medium. 4- ri-Hii 4- It was found to bo pulsating at , JSjSj 4- a rate that varied between 00 4- ( (rSlwfl 4- and 104 beats a minute. Of 4- KrlSi 4- this and other specimens Dr. 4- r" mm 4- Carrel says: 4- r'-ISp 4- "Generally the tissues seem- 4- iSlf & ed, after a time, to adapt them- 4- (""JaR 4- selves to their new conditions 4- vi'fflK 4- and very few cultures died 4- fi jgS 4- spontaneously. In handling, 4- L-fj"l 4- the cultures were exposed to 4- ' -CT'tfife 4- many accidents" and microb- 4- W ftip 4- Ian "infections. '4- fifE 4 "In case of a local infection, 4- . r nl 4- the part not Infectod as re- 4- , (IP 4- nectcd with a cntaract knife 4- "T"i5r 4- and placed in a-now modlum. 4- 'Pjlw 4- Often tho culture rocoverod 4- fck jjfi 4- and produced several genera- 4- 1 If 4- tlons of cells that were free 4- J jJKg 4- from mlcroblan Infection, But 4- I IE 4- when Infection was gonera- 4- bg; ijMt -f Ized, tho tissues always died 4 at,; ID 4- rapidly. Many cultures died of 4- . fH sepsis." 4- wk U 4- 4- 4- 4- 4- 4: 4- 4- 4- 4- 4- 4- .4-. 4-. .4; ' ; H J J |