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MORS LOCATE DIABETES CENTER Biochemists Given Data by Dr. Ranson of North western U. BY THOMAS R. HENRY. Location of a brain center for a Common disease, diabetes insipidus, was reported to the federation of American Societies for Experimental Biology, meeting here yesterday after noon. by Dr. S. W Ronson of the Northwestern University Medical School. Dr. Ranson and his co-workers have found, working with monkeys and cats with a relatively new surgical tech nique. that the disease inevitably fol lows destruction of a small area known as the supra-optic nuclei in the hypo thalamus. a part of the inner brain lying below the cerebral cortex. This section of the hypothalamus is connected by numerous nerve fibers with the posterior lobe of the pituitary gland. It is apparently the starting point of stimuli which cause this lobe to secrete one of its hormones. The diabetes insipidus follows when the supra-optic nuclei are left intact when j either the nerve tract or the posterior j lobe is destroyed. Different From Diabetes. Diabetes insipidus is a quite differ ent disease from the condition ordi narily known as diabetes, which is a disfunction of the carbohydrate meta bolism of the body resulting in an ab normal concentration of blood sugar end which is treated with insulin, a secretion from the pancreas. This *other form of diabetes is a disturb ance of water balance, symptomized by a constant abnormal thirst, accom- j panied by an abnormal excretion of body fluids. The condition may con tinue even for years without seeming seriously to affect the general health, but it is quite debilitating and Is like ly to result in various complications which may prove fatal. One of these is the other form of diabetes, diabetes meelitus. It already had been determined that the condition is markedly benefited by treatment with pitrissin, one of the anterior pituitary hormones. Dr. Ranson and his associates found that when the supraoptic nuclei or their t.erve connection with the posterior pituitary were destroyed the part of , the gland which is believed to secrete pitressin into the blood stream mark edly degenerates. Thus, it appears from the present status of their researches as described to the physiologists yesterday, this particular part of the brain sends im pulses to the posterior pituitary, which responds to them by a secretion which Testrains the water output of the organism. Anterior Lobe Removal. However, they found that this con dition does not result if the anterior j lobe of the pituitary gland also is re-: moved. Apparently one of the hor monal secretions from this lobe %cts to increase water secretion, not di- , rectly. but through its general control over metabolism and acticity of the ( body system. The primary role played by the hypothalamic nuclei was determined through a surgical technique which made it possible to place small, dis crete lesions at any desired point in this part of the brain without at the ' same time injuring the pituitary' gland itself. The gland can be left entirely intact, but the diabetes insipidus re sults just the same. The evidence seems quite conclu sive. Dr. Ranson reported, that the only hypothalamic lesions that give rise to a permanent over-excretion of body fluid arc those which either de stroy these particular nuclei directly or interrupt the nerve fibers which arise from them. Destruction of other nuclei in the hypothalamus did not have the same result. Moreover, they found, both nuceli must be destroyed. If one is left, or if only one side of the nerve tract is severed, the condi tion does not result. The psysiologists found the disease j l ,Is characterized by two distinct phases, The first is marked by a very great in crease in both water intake and secre tion. which lasts for four or five days. Then both return to normal and nearly two weeks elapses before there j is another increase, marking the start , of the second and permanent phase. ! Dr. Ranson and his associates believe the transient phase may be due to some injury to the pituitary itself, and that the permanent phase sets in only after the stored-up supplies of the anti-diuretic hormone in the posterior j lobe are exhausted. This may be pro educed according to directions from the hypothalamus, so that the production ceases when "orders" stop coming through. Action on Kidneys. The posterior pituitary hormone in volved. Dr. Ranson pointed out. prob ably acts directly on the kidneys and serves to check their unrestrained ac tivity. When it is removed, the ab normal excretion immediately follows, \ and the intense thirst, causing an ab normal water intake, results from the defensive mechanism of the system. An automatic self-regulating mech anism controls the body's intake of water, it was indicated by experiments ♦’-ported yesterday afternoon before a symposium on water balance by Dr. Magnus I. Gregersen of the Medical School of the University of Maryland. A lowering of the system’s water sup ply. Dr. Gregersen said, is reflected quickly in a lowering of the total plasma, or liquid content of the blood. This automatically causes a decrease of the secretion of saliva from the salivary glands. This, in turn, causes thirst. « He told of experiments with two normal subjects who went without wa ster for three days. The effect was shown very quickly in the decrease of plasma, with the resulting salivary decrease of thirst. The plasma vol ume rose again in a few minutes, after the subjects had drank 1,500 cubic centimeters of fluid. The rapidity with which the fluid may leave the circulation is illustrated. Dr. Gregersen reported, by experi ments on muscular exercise. During two minutes of hard running three subjects showed loss in plasma volume running up to 23 per cent. Restora tion was complete after an hour and a half at rest and two hours after the exercise the plasma volume was some what higher than at the start of the experiment. Food Transformation. By "tagging" organic molecules with atoms of heavy hydrogen, bio-chemlsts have found a way to solve one of the fundamental problems of living nature —the chemical transformation of food into animal flesh. This method already has shown that the organic molecules, the ••bricks" from which are built the cells which ] are the fundamental units of the body. 1 continually are being destroyed and resynthesized from fresh material. The cells themselves, it long has beep known, are forever breaking down and being rebuilt. Now, it ap pears. nature uses new bricks in the '■ building so that the body structure ] continuously is being renewed and ; strengthened with fresh material. This fundamental advance was re- ; ported to members of the American Society of Bio-chemists, meeting here today, by Rudolph Schoenheimer and D. Rittenberg of Columbia University. About five years ago Prof. Harold C. Urey of Columbia University and Dr. H G. Brickwedde of the United States Bureau of Standards isolated a substance chemically identical with the well-known gas hydrogen, but with an atom double the weight of the ordinary’ hydrogen atom. This heavy hydrogen, it has since been found, exists throughout nature in the pro portion of one part to every 5,000 parts of ordinary hydrogen. If com bined with oxygen it forms "heavy water." chemically indistinguishable from ordinary water and entering into every chemical reaction in the same way as ordinary water. But it weighs more and has markedly different bio logical effects. Now water is a constituent of all foods—carbohydrate, fat or protein. All of these foods can be made up in the laboratory with ordinary water molecules replaced with molecules of heavy water. Fats Essential in Diet. Now, Drs. Schoenheimer and Rit tenberg pointed out in their report, fats are essential in the diet. It has been impossible to find out. however, what happened to them because there was no way to distinguish the fat molecules taken in the form of food from those already in the body. Fat gathers under the skins of animals, where it is kept in storage. Whether this was the original fat consumed by the animal, or whether this was broken down and reformed by the chemical processes of the. body ! was not known. It also was known that if animals were fed no fat at all. but were given an excessive sup ply of proteins and carbohydrates, fat would collect under the skin just ' the same. dy ieeuuig 10 mite iaw> comauiuig heavy hyrogen, it was found that the I greater part of the ingested fat was carried directly to these fat depots and deposited there. A small part of it was found to be burned immedi ately for the ordinary needs of the animal, breaking down immediately and forming heavy water, which was eliminated with the body fluids of the animal. Just as the chemist in the labora tory is able to make substances con taining heavy hydrogen, so if an ani mal is given heavy water to drink, the susbtances which are synthesized by the body will contain the heavy hydro gen atoms. It thus can be used to label those substances which are man ufactured in the body. If mice on a fat-free diet are given heavy water to drink, the bio-chemists reported, fat containing heavy hydrogen can be re covered from the animals within a short time after the beginning of the experiment, despite the absence of fat in their food. This proves that new fats have been synthesized within the animal body. Quantity Not Increased. Since the total quantity of fat in the test animals did not increase dur ing the experiment, it was concluded that an amount of fat corresponding to that manufactured had been util ized or destroyed at the same time. This was proved by giving mice fat containing heavy hydrogen for a period and then placing them on a fat-free diet. The labeled fat was found almost completely to have dis appeared from the body of an animal within a few days after the beginning of the fat-free period—and to have been replaced by an equal quantity of newly formed fat, which contained practically no heavy hydrogen. Thus, it was clearly shown, while the amount of fat in the body depots of adult mice remains constant, there is a continu ous process of destruction and re synthesis of the body fats. Similar results were obtained with another important constituent of the body, chlosterol. Said the report: “The findings, which were made possible by the use of heavy water label, indicate that organic chemical compounds which are stable outside the animal body become un stable in the living organism. Just as in the living organism cells die and are replaced by newly formed ones, so organic molecules are continuously being destroyed and replaced by new materials of the same chemical struc ture.” -» - CITY HEADS MAY OPPOSE MOVING OF MONUMENT Representative Ellenbogen’s proposal to move the Pulaski monument from the triangle at Thirteenth street and Pennsylvania avenue to the larger va cant area at Fifteenth and the Ave nue. opposite the Commerce Building, probably will be opposed by the Dis trict Commissioners next week. The Pennsylvanian's proposal, re ferred to the Commissioners after its introduction in the House, will come up for consideration Tuesday. Although no definite decision has been reached, it was learned that the Commissioners favor keeping the Fif teenth and Pennsylvania area clear, unless it is chosen for one of the pro posed memorials to Grover Cleveland or Thomas Jefferson. W ild Life Destroyed By Stray Dogs and Cats “Gone Native” 3,800 Felines in National Forest Slay Many Birds, Officials Say. B» the Associated Press. HARRISONBURG. Va.. March 28 — Domesticated cats and dogs that have "gone native'* constitute two of the greatest dangers to wild life in the George Washington National Forest, say forestry officers on duty in the area. The officers estimate that 3.800 cats roam the National Forest daily and that every cat is accountable for 50 birds a year. Not all their feathered prey are game birds, but because quail nest on the ground, it is believed they make up a considerable part of the cats' diet. Stray dogs running loose in the for est likewise are especially destructive of nesting birds and deer, the foresters hold. Owners of cats and dogs are being asked to keep their animals penned up to save part of the cost of replacing destroyed wild life. I,Dependable WATERPROOFING O. D. WILSON CO., INC. WATERPROOFING ENGINEERS 1249 Wisconsin Ave. N.W. WEST 0089 WALNUT 7881 R 15 DAILY DEPARTURES It's (mart to chooM Greyhound for trip* to anywhere in America. In addition to saving dollars you enjoy the convenience and dependability offered by the World's Largest Bus System. Comfortable. wtU hcatad coaches. Phone for information. OTHIR ONI WAY FAJU SAROAINS San Fr’neiseo. 30.50 Denver _26.75 San Dlero 36.00 El Paso_20.05 Seattle _41.40 Dallas_10 50 GREYHOUND TERMINAL 1403 New York Avenue N.W.. Phone National 8000 Youngest Air Passenger A/me. Goeta Ljungberg of the Metropolitan Opera Co. is shown holding 8-weeks-old. Robert Glenn Geil, toho. with his mother, were fellow passengers on an air trip from Pittsburgh yesterday. Robert is said to be the youngest passenger to land, at Washington Airport. —Star Staff Photo. SCIENTIFIC UNITS SELECTUFFK Dochez of Columbia Head of Executive Group of Bi ology Federation. By the Associated Press. D. A. R. Dochez of Columbia Uni versity, New York City, yesterday was named chairman of the Executive Committee of the Federation of American Societies for Experimental Biology. He was also elected president of the American Society for Experimental Pathology, one of the four groups com prising the federation. Dr. S. Warren of Harvard University was elected sec retary-treasurer of the same society and became secretary of the federa tion. Memphis, Tenn., was chosen as the 1937 convention city. Slate of Officers. Officers elected by the societies were: American Society of Biological Chemists: President—H. B. Lewis. University of Michigan, Ann Arbor, Mich. Vice president—G. E. Cullen, Uni versity of Cincinnati, Cincinnati, Ohio. Secretary—H. A. Mattill, University of Iowa, Iowa City, Iowa. Treasurer—A. B. Hastings, Harvard . University, Boston. Mass. Councilor—W. C. Rose, University of Illinois, Urbana, 111. Experimental Pathology. American Society of Experimental Pathology: President—Dr. Dochez. Vice president—C. P. Miller, Uni versity of Chicago, Chicago, 111. Secretary-treasurer—Dr. Warren. Councilors—M. McCutcheon. Uni versity of Pennsylvania, Philadelphia, Pa.; E. W. Goodpasture, Vanderbilt University, Nashville, Tenn. American Physiological Society: President—F. C. Mann, Mayo Foun dation. University of Minnesota, Roch ester. Minn. Secretary—A. C. Ivy, Northwestern University. Chicago, 111. Treasurer—W. O. Fenn. University of Rochester, Rochester, N. Y. Councilor—P. Bard, Johns Hopkins University, Baltimore. Md. Society for Pharmacology. American Society for Pharmacology and Experimental Therapeutics: President—V. E. Henderson, Unl j versity of Toronto, Canada. Vice president—O. H. Plant. Uni i versity of Iowa, Iowa City. Iowa. Secretary—E. M. K. Geiling, Uni ' versity of Chicago, Chicago, 111. Treasurer — C. Gruber. Jefferson Medical College, Philadelphia, Pa Councilor—G. B. Wallace. New York University, New York City. -. RIVERS AND HARBORS CONFERENCE APR. 27 Congress Will Wrestle With Flood Control Problem at Annual Session. The thirty-first annual convention of the National Rivers and Harbors Congress, which will be held at the ; Mayflower Hotel, April 27 and 28, I probably will be the most important | in the history of the organization, according to Representative Short of I Missouri, vice president of the congress. The devastating floods have focused i Nation-wide attention upon the need I for immediate and vigorous control action to prevent high water toll of human life and property throughout | the United States, Representative Short said yesterday. •'This, together with the adminis tration's proposal to continue through the coming fiscal year the public I works-relief program for the assist ; ance of the unemployed, making available funds for these useful, per i manent projects, and the important j far-reaching measures affecting water ways, their control and use, now pend ! ing In Congress, probably will make this session of the National Rivers ! and Harbors Congress the most im portant in the history of the organiza I tion,” he said. The Projects Committee, which is headed by Representative Driver of Arkansas, will meet April 24 and 25 for consideration of individual projects. ART LECTURES PLANNED Weisz to Deliver Last Two Talks at Washington Club. Eugen Weisz, vice principal of the Corcoran School of Art, will deliver the final two lectures of his series on "The History of Art" on Wednes day night of this week, and Wednes day. April 8, in the Washington Club auditorium, 1010 Seventeenth street, under the auspices of the Yard School of Fine Art. The lectures will begin at 8:30 o’clock. The lecture this week will be on the subject, "Currents of Tradition in Style and Technique,” and next week, "The Art of Today.” Former Follies Girls Mrs. Helen Wood (left) and Mrs. Dorothy Mason Walton, former “Ziegfeld Follies” girls, were located here yesterday by Norman Pule of Metro-Goldwyn-Mayer in his search for ex Follies" members in connection icith the production, “The Great Ziegfeldopening April 19 at the National Theater. —Star Staff Photo. DINNER FOR PRISONERS CELEBRATES RESERVOIR Men at Occoquan Workhouse to Be Given Treat for Com pleting Concrete Job. A special dinner will be served the prisoners at Occoquan Workhouse to day in appreciation of their work in completing the pouring of concrete for the reservoir at the new filtration plant for the District's penal institu tions on the Occoquan-Lorton reser vation The reservoir, located abou ta quar ter of a mile from the workhouse, was constructed entirely by prison labor. Capt. M. M. Barnard, superintendent of prisons, said yesterday. After the forms had been put in place it was estimated that 48 hours would be re quired to pour the concrete, but by working in continuous shifts the work was completed in 23 hours. The huge tank will have a capacity of 1,018,800 gallons of water and re quired 320 cubic yards of concrete. It was mixed on the ground in four ma chines and was wheeled into the forms by the prisoners. H. R. Haar. engi neer of the penal institutions, directed I the work, and Capt. Arthur L. Petitt. I w orkhouse superintendent, supplied j necessary men for the job. I^"*WITH THIS COUPON^^a WATCH REPAIRING I | ANY MARL | The Vvstaire Jewelry Start I-.:.9 812 . stnw| All Watches Carefully Taken Apart by I Experts and Cleaned Thorouahly ^ by Hand. No Machines Used. 1 CUP THIS COUPON. | Last Week ! Dutch Baker Boy’s BREAD-NAMING CONTEST Thu l< the last week of DUTCH BAKER BOY S BREAD-NAMING CONTEST. It you had planned on submlttina a name for this new bread, do it now. Remember, you can’t win unles* you enter. Valuable prizes are riven for the best sugrested names. Order a loaf of this new bread now, then send in your surrested name. Read the easy rules below. | Rules of Contest Any one can enter except ear employes and members of their families. Suxcested names must be submitted on entry blank found in each loaf of this NEW bread. No others will be con sidered. Send as many suxxes tlons as you desire, but only one an eaeh blank. Contest ends Saturday. April 4. Get your suxcested names in now. The decision of the Judxes will be final. Mail all sucxes tions on your entry blanks to Dutch Baker Boy. 0th and Monroe Streets N.E. lit Priie 2nd Prize 3d Prize *25 *10 *5 And JO prises of Delicious Layer Cakes Name this New Bread and win a valuable cash prise or a delicious bakery product. Dutch Baker Boy s New Bread is Half White and Half Whole Wheat Bread baked as one loaf. Try a loaf tomorrow. Buy it from the Dutch Baker Boy salesman or phone North 99.94 for Delivery to Your Home ONLY JOc LOAF PHYSICIANS TO SPEAK "Should Medicine Be Socialized?’’ Is City Forum Topic. Drs. A. B. Bennett and Isidore Lattman, prominent Washington phy sicians, will speak at the Capital City Forum. 1502 Fourteenth street, at 8:15 p.m. Friday on the question. "Should Medicine Be Socialized?" Dr, Bennett is a former president of the District Medical Society. Next week's speaker will be Repre sentative Scott. Democrat, of Cali fornia. who will discuss "Co-operation in Place of Relief.” ■ D. C. Library Association to Hear Address at Annual Banquet Wednesday. Mrs. Franklin D. Roosevelt will be the guest ot honor and principal speaker at the forty-second annual dinner of the District of Columbia Library Association Wednesday at 8 p.m. at the Carlton Hotel. Her topic will be “What Libraries Mean to the Nation.” Some 300 librarians associated with public and private library agencies are scheduled to attend the dinner, according to John T. Vance, presi dent. Other speakers on the program are Senator King, member of the Senate Committee on the Library, wrho will discuss “The Library In Adult Educa tion”; Representative Keller of Illi nois, who will speak on “Our National Library,” and Miss Adelaide Hasse, Internationally known bibliographer, whose topic will be “The Libraries in Washington." Other guests of the association will be Representative Bert Lord of New York, member of the House Commit tee on the Library, and Mrs. Lord; the commissioner of education and Mrs. John D. Studebaker. Dr. Waldo G. Leland. secretary of the Ameri can Council of Learned Societies, and Mrs. Leland, and Carl H. Milan, sec retary of the American Library As sociation. Music will be furnished by the Cre mona Quartet, consisting of four li brarians, Miss Elsa L. Raner, Miss Lavada Hudgens. Miss Inez Becker and Miss Mabel H. Duncan. FREDDIE HAS BIRTHDAY HOLLYWOOD, March 28 G<P> — Freddie Bartholomew, English boy actor, celebrated his 10th birthday anniversary in American style today. He was given a jack knife, a sack of marbles, six $1 bills in a new wallet and a toy airplane. The "kids next door” came over to help him play with them. j NEW MODEL BABY GRAND ( I STEINWAY 1 ^ “The Instrument of the Immortils." It 5 FEF.T 1 INCH LONG PRICED AT ONLY 1 $885 1 • PROCURABLE ON LIBERAL TERMS • I QTEINWAY TRADITIONS—meaning the most careful and ||1 B O skilled craftsmanship and finest materials—permeate every B ||| fibre of this incomparable piano. The Tone is the glorious B .Steinway tone, rich and resonant, sympathetic and eloquent! ||| III Tfie new and exclusive Accelerated Action adds to the joy g |H This piano differs only in size from the magnificent Steinway ||| |H grand pianos used by Hofmann, Paderewski. Rachmaninoff, ||| HI Schnabel, Petri, Myra Hess and scores of other world- ||| HI renowned artists. B From every angle it is the safest piano investment. CONVINCE YOURSELF OF ITS BEAUTY BY SEEING, HEARING, PLAYING IT. Idroop^-«gJ W. (i J. Sloane 711 Twelfth Street An Exhibition Fabrics as made expressly for, and in use in, the furnishings of the new, mammoth English Liner-S. S. Queen Mary Confined for display and sale in the United States to W. & J. Sloane EXCLUSIVELY. On Exhibition in Our Fabric Salon—Second Floor 9 You will be interested because of their distinguished association and you are invited to review them. More than a score of different patterns—in varying qualities —available in any quantity you may desire for slip covers and kindred uses. Charge Accounts Courtesy Parking Gladly opened, with settlements While shopping here, park in the arranged for your convenience. Capital Garage at our expense. .r.W. & J. Sloane t The Mouse With the Green Shutters 4