Yellapragada Subbarow

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Yellapragada Subbarao (12 January 1895 - 8 August 1948) was an Indian biochemist who discovered the function of adenosine triphosphate as an energy source in the cell, developed methotrexate for the treatment of cancer and discovered a broad spectrum antibiotic Auromycin and Tetracycline. His elder brother and younger brother both died due to tropical spure in span of 8 days, so he discovered folic acid as a cure for tropical spure. He discovered METHOTREXATE, a chemotherapy drug still used today and also used for rh-arthritis, and diethyl carbamazine (DEC), the only effective drug for treating filariasis. Most of his career was spent in the United States. Despite his isolation of ATP, Subbarao did not gain tenure at Harvard though he would lead some of America's most important medical research during World War II. He is also credited with the first synthesis of the chemical compounds folic acid and methotrexate. Subbarao died in the United States due to cardiac arrest.

Subbarao's colleague, George Hitchings said, "Some of the nucleotides isolated by Subbarao had to be rediscovered years later by other workers because Fiske, apparently out of jealousy, did not let Subbarao's contributions see the light of the day." A fungus genus has been named Subbaromyces in his honor. Writing in the April 1950 issue of Argosy, Doron K. Antrim observed, "You've probably never heard of Dr. Yellapragada Subbarao. Yet because he lived, you may be alive and are well today. Because he lived, you may live longer."

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Early life

He was born in Bhimavaram, Madras Presidency, now in West Godavari District, Andhra Pradesh in India. He passed through a traumatic period in his schooling at Rajahmundry (due to the premature death of close relatives by disease) and eventually matriculated in his third attempt from the Hindu High School, Madras. He passed the Intermediate Examination from the Presidency College and entered the Madras Medical College where his education was supported by friends and Kasturi Suryanarayana Murthy, whose daughter he later married.

Following Gandhi's call to boycott British goods he started wearing khadi surgical dress; this incurred the displeasure of M. C. Bradfield, his surgery professor. Consequently, though he did well in his written papers, he was awarded the lesser LMS certificate and not a full MBBS degree. Subbarow tried to enter the Madras Medical Service without success. He then took up a job as Lecturer in Anatomy at Dr. Lakshmipathi's Ayurvedic College at Madras. He was fascinated by the healing powers of Ayurvedic medicines and began to engage in research to put Ayurveda on a modern footing. The promise of support from Malladi Satyalingam Naicker Charities in Kakinada, and financial assistance raised by his father-in-law, enabled Subbarao to proceed to the U.S. He arrived in Boston on 26 October 1922.

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Career in United States

After earning a diploma from the Harvard Medical School he joined Harvard as a junior faculty member. With Cyrus Fiske, he developed a method for the estimation of phosphorus in body fluids and tissues. He discovered the role of phosphocreatine and adenosine triphosphate (ATP) in muscular activity, which earned him an entry into biochemistry textbooks in the 1930s. He obtained his Ph.D. degree the same year. He joined Lederle Laboratories, a division of American Cyanamid (now a division of Wyeth which is owned by Pfizer), after he failed to gain a regular faculty position at Harvard. At Lederle, he developed a method to synthesize folic acid, Vitamin B₉, based on work by Lucy Wills to isolate folic acid as a protective agent against anemia. After his work on folic acid and with considerable input from Dr. Sidney Farber, he developed the important anti-cancer drug methotrexate - one of the very first cancer chemotherapy agents and still in widespread clinical use. Subbarao also discovered the basis for hetrazan which was used by the World health Organization against filariasis. Under Subbarao, Benjamin Duggar made his discovery of the world's first tetracycline antibiotic, aureomycin, in 1945. This discovery was made as a result of the largest distributed scientific experiment ever performed to that date, when American soldiers who had fought all over the world were instructed at the end of WWII to collect soil samples from wherever they were, and bring the samples back for screening at Lederle Laboratories for possible anti-bacterial agents produced by natural soil fungi.

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Publications

• Angia, R.B.; Boothe, J.H.; Hutchings, B.L.; Mowat, J.H.; Semb, J.; Stokstad, E.L.R.; Subbarow, Y.; Waller, C.W.; Cosulich, D.B.; Fabrenbach, M.J.; Hultquist, M.E.; Erwin, K.U.H.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M. (1946). "The structure and synthesis of the liver L. casei factor". Science. 103 (2683): 667-669. doi:10.1126/science.103.2683.667. 
• Angier, R.B.; Boothe, J.H.; Hutchings, B.L.; Mowat, J.H.; Semb, J.; Stokstad, E.L.R.; SubbaRow, Y.; Waller, C.W.; Cosulich, D.B.; Fahrenbach, M.J.; Hultquist, M.E.; Kuh, E.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M. (1945). "Synthesis of a compound identical with the L. casei factor isolated from liver". Science. 102 (2644): 227-228. doi:10.1126/science.102.2644.227. PMID 17778509. 
• Angier, R.B.; Mowat, J.H.; Boothe, J.H.; Waller, C.W.; Semb, J.; Hutchings, B.L.; Stokstad, E.L.R.; Subbarow, Y. (1948). "The preparation of 2-amino-4-hydroxy-6-keto-5,5-dichlorodihydropyrimidine". Journal of the American Chemical Society. 70 (3): 1274-1275. doi:10.1021/ja01183a502. 
• Angier, R.B.; Stokstad, E.L.R.; Mowat, J.H.; Hutchings, B.L.; Boothe, J.H.; Waller, C.W.; Semb, J.; SubbaRow, Y.; Cosulich, D.B.; Fahrenbach, M.J.; Hultquist, M.E.; Kuh, E.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M. (1948). "Synthesis of pteroylglutamic acid. III". Journal of the American Chemical Society. 70 (1): 25-26. doi:10.1021/ja01181a008. 
• Angier, R.B.; Waller, C.W.; Boothe, J.H.; Mowat, J.H.; Semb, J.; Hutchings, B.L.; Stokstad, E.L.R.; Subbarow, Y. (1948). "Pteridine chemistry. I". Journal of the American Chemical Society. 70 (9): 3029-3031. doi:10.1021/ja01189a058. 
• Angier, R.B.; Waller, C.W.; Hutchings, B.L.; Boothe, J.H.; Mowat, J.H.; Semb, J.; SubbaRow, Y. (1950). "Pteroic acid derivatives. VI. Unequivocal syntheses of some isomeric glutamic acid peptides". Journal of the American Chemical Society. 72 (1): 74-77. doi:10.1021/ja01157a021. 
• Baker, B.R.; Querry, M.V.; Bernstein, S.; Safir, S.R.; Subbarow, Y. (1947). "Biotin. IV. A second synthesis of 2-(OE¥-carboxybutyl)-thiophane-3,4-dicarboxylic acid". Journal of Organic Chemistry. 12 (1): 167-173. doi:10.1021/jo01165a021. 
• Baker, B.R.; Querry, M.V.; McEwen, W.L.; Bernstein, S.; Safir, S.R.; Dorfman, L.; Subbarow, Y. (1947). "Biotin. VI. Synthesis of biotin and epiallobiotin". Journal of Organic Chemistry. 12 (1): 186-198. doi:10.1021/jo01165a023. 
• Bernstein, S.; Binovi, L.J.; Dorfman, L.; Sax, K.J.; Subbarow, Y. (1949). "7-Dehydrocholesterol". Journal of Organic Chemistry. 14 (3): 433-446. doi:10.1021/jo01155a015. 
• Bernstein, S.; Sax, K.J.; Subbarow, Y. (1948). "7-Dehydrocholesteryl chloride and bromide". Journal of Organic Chemistry. 13 (6): 837-842. doi:10.1021/jo01164a009. 
• Boothe, J.H.; Mowat, J.H.; Hutchings, B.L.; Angier, R.B.; Waller, C.W.; Stokstad, E.L.R.; Semb, J.; Gazzola, A.L.; Subbarow, Y. (1948). "Pteroic acid derivatives. II. Pteroyl-?-glutamylglutamic acid and pteroyl-?-glutamyl-?-glutamylglutamic acid". Journal of the American Chemical Society. 70 (3): 1099-1102. doi:10.1021/ja01183a068. 
• Boothe, J.H.; Semb, J.; Waller, C.W.; Angier, R.B.; Mowat, J.H.; Hutchings, B.L.; Stokstad, E.L.R.; Subbarow, Y. (1949). "Pteroic acid derivatives. III. Pteroyl-?-glutamylglutamic acid and pteroyl-?-glutamyl-?-glutamylglutamic acid". Journal of the American Chemical Society. 71 (7): 2304-2308. doi:10.1021/ja01175a010. 
• Boothe, J.H.; Waller, C.W.; Stokstad, E.L.R.; Hutchings, B.L.; Mowat, J.H.; Angier, R.B.; Semb, J.; SubbaRow, Y.; Cosulich, D.B.; Fahrenbach, M.J.; Hultquist, M.E.; Kuh, E.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M. (1948). "Synthesis of pteroylglutamic acid. IV". Journal of the American Chemical Society. 70 (1): 27-28. doi:10.1021/ja01181a009. 
• Fiske, C.H.; Subbarow, Y. (1927). "The nature of the "inorganic phosphate" in voluntary muscle". Science. 65 (1686): 399. doi:10.1126/science.65.1686.401. PMID 17807679. 
• Fiske, C.H.; Subbarow, Y. (1929). "Phosphorus compounds of muscle and liver". Science. 70 (1816): 381-382. doi:10.1126/science.70.1816.381-a. 
• Harned, B.K.; Cunningham, R.W.; Halliday, S.; Vessey, R.E.; Yuda, N.N.; Clark, M.C.; Hine, C.H.; Cosgrove, R.; Subbarow, Y. (1948). "Studies on the chemotherapy of filariasis. VI. Some pharmacopynamic properties of 1-diethylcarbamyl-4-methylpiperazine hydrochloride, Hetrazan". The Journal of Laboratory and Clinical Medicine. 33 (2): 216-235. 
• Hewitt, R.I.; Kushner, S.; Stewart, H.W.; White, E.; Wallace, W.S.; SubbaRow, Y. (1947). "Experimental chemotherapy of filariasis. III. Effect of 1-diethylcarbamyl-4-methylpiperazine hydrochloride against naturally acquired filarial infections in cotton rats and dogs". The Journal of Laboratory and Clinical Medicine. 32 (11): 1314-1329. 
• Hewitt, R.I.; Wallace, W.S.; White, E.; SubbaRow, Y. (1947). "Experimental chemotherapy of filariasis. I. Experimental methods for testing drugs against naturally acquired filarial infections in cotton rats and dogs". The Journal of Laboratory and Clinical Medicine. 32 (11): 1293-1303. 
• Hewitt, R.I.; White, E.; Wallace, W.S.; Stewart, H.W.; Kushner, S.; SubbaRow, Y. (1947). "Experimental chemotherapy of filariasis. II. Effect of piperazine derivatives against naturally acquired filarial infections in cotton rats and dogs". The Journal of Laboratory and Clinical Medicine. 32 (11): 1304-1313. 
• Hultquist, M.E.; Germann, R.P.; Webb, J.S.; Wright Jr, W.B.; Roth, B.; Smith Jr, J.M.; Subbarow, Y. (1951). "N-heterocyclic benzenesulfonamides". Journal of the American Chemical Society. 73 (6): 2558-2566. doi:10.1021/ja01150a042. 
• Hultquist, M.E.; Kuh, E.; Cosulich, D.B.; Fahrenbach, M.J.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M.; Angier, R.B.; Boothe, J.H.; Hutchings, B.L.; Mowat, J.H.; Semb, J.; Stokstad, E.L.R.; SubbaRow, Y.; Waller, C.W. (1948). "Synthesis of pteroylglutamic acid (liver L. casei factor) and pteroic acid. II". Journal of the American Chemical Society. 70 (1): 23-24. doi:10.1021/ja01181a007. 
• Hutchings, B.L.; Stokstad, E.L.R.; Bohonos, N.; Sloane, N.H.; SubbaRow, Y. (1948). "The isolation of the fermentation Lactobacillus casei factor". Journal of the American Chemical Society. 70 (1): 1-3. doi:10.1021/ja01181a001. 
• Hutchings, B.L.; Stokstad, E.L.R.; Mowat, J.H.; Boothe, J.H.; Waller, C.W.; Angier, R.B.; Semb, J.; SubbaRow, Y. (1948). "Degradation of the fermentation L. casei factor. II". Journal of the American Chemical Society. 70 (1): 10-13. doi:10.1021/ja01181a004. 
• Kushner, S.; Dalalian, H.; Cassell, R.T.; Sanjurjo, J.L.; McKenzie, D.; Subbarow, Y. (1948). "Experimental chemotherapy of tuberculosis. I. Substituted nicotinamides". Journal of Organic Chemistry. 13 (6): 834-836. doi:10.1021/jo01164a008. 
• Little, P.A.; Oleson, J.J.; SubbaRow, Y. (1948). "The effect of nutrition on the tumor response in Rous chicken sarcoma". The Journal of Laboratory and Clinical Medicine. 33 (9): 1139-1143. 
• Little, P.A.; Sampath, A.; SubbaRow, Y. (1948). "The use of antagonists of pteroylglutamic acid in controlling Rous chicken sarcoma". The Journal of Laboratory and Clinical Medicine. 33 (9): 1144-1149. 
• McKenzie, D.; Malone, L.; Kushner, S.; Oleson, J.J.; SubbaRow, Y. (1948). "The effect of nicotinic acid amide on experimental tuberculosis of white mice". The Journal of Laboratory and Clinical Medicine. 33 (10): 1249-1253. 
• Mowat, J.H.; Boothe, J.H.; Hutchings, B.L.; Stokstad, E.L.R.; Waller, C.W.; Angier, R.B.; Semb, J.; Cosulich, D.B.; SubbaRow, Y. (1948). "Erratum: The structure of the liver L. casei factor (Journal of the American Chemical Society (1948) 70, (14))". Journal of the American Chemical Society. 70 (12): 4275. doi:10.1021/ja01192a622. 
• Mowat, J.H.; Boothe, J.H.; Hutchings, B.L.; Stokstad, E.L.R.; Waller, C.W.; Angier, R.B.; Semb, J.; Cosulich, D.B.; SubbaRow, Y. (1948). "The structure of the liver L. casei factor". Journal of the American Chemical Society. 70 (1): 14-18. doi:10.1021/ja01181a005. 
• Mowat, J.H.; Gazzola, A.L.; Hutchings, B.L.; Boothe, J.H.; Waller, C.W.; Angier, R.B.; Semb, J.; Subbarow, Y. (1949). "Pteroic acid derivatives. IV. Pteroyl-?,?-glutamyldiglutamic acid". Journal of the American Chemical Society. 71 (7): 2308-2310. doi:10.1021/ja01175a011. 
• Mowat, J.H.; Hutchings, B.L.; Angier, R.B.; Stokstad, E.L.R.; Boothe, J.H.; Waller, C.W.; Semb, J.; Subbarow, Y. (1948). "Pteroic acid derivatives. I. Pteroyl-OE±-glutamylglutamic acid and pteroyl-?,?-glutamyldiglutamic acid". Journal of the American Chemical Society. 70 (3): 1096-1098. doi:10.1021/ja01183a067. 
• Safir, S.R.; Bernstein, S.; Baker, B.R.; McEwen, W.L.; Subbarow, Y. (1947). "Biotin. IX. A synthesis of dl-dehydrobiotin". Journal of Organic Chemistry. 12 (3): 475-482. doi:10.1021/jo01167a017. 
• Safir, S.R.; Kushner, S.; Brancone, L.M.; Subbarow, Y. (1948). "Experimental chemotherapy of trypanosomiasis. II. The preparation of compounds related to p-phenylenediguanidine". Journal of Organic Chemistry. 13 (6): 924-932. doi:10.1021/jo01164a024. 
• Sanders, M.; Subbarow, Y.; Alexander, R.C. (1948). "An effective antiviral synthetic". Texas reports on biology and medicine. 6 (3): 385-395. 
• Semb, J.; Boothe, J.H.; Angier, R.B.; Waller, C.W.; Mowat, J.H.; Hutchings, B.L.; Subbarow, Y. (1949). "Pteroic acid derivatives. V. Pteroyl-?-glutamyl-?-glutamylglutamic acid, pteroyl-?-glutamyl-?-glutamylglutamic acid, pteroyl-?-glutamyl-?-glutamylglutamic acid". Journal of the American Chemical Society. 71 (7): 2310-2315. doi:10.1021/ja01175a012. 
• Stewart, H.W.; Turner, R.J.; Denton, J.J.; Kushner, S.; Brancone, L.M.; McEwen, W.L.; Hewitt, R.I.; Subbarow, Y. (1948). "Experimental chemotherapy of filariasis. IV. The preparation of derivatives of piperazine". Journal of Organic Chemistry. 13 (1): 134-143. doi:10.1021/jo01159a018. 
• Stokstad, E.L.R.; Hutchings, B.L.; Mowat, J.H.; Boothe, J.H.; Waller, C.W.; Angier, R.B.; Semb, J.; SubbaRow, Y. (1948). "The degradation of the fermentation Lactobacillus casei factor. I". Journal of the American Chemical Society. 70 (1): 5-9. doi:10.1021/ja01181a003. 
• Stokstad, E.L.R.; Hutchings, B.L.; SubbaRow, Y. (1948). "The isolation of the Lactobacillus casei factor from liver". Journal of the American Chemical Society. 70 (1): 3-5. doi:10.1021/ja01181a002. 
• Subbarow, Y.; Dann, W.J. (1938). "The inactivity of ?-aminopyridine in blacktongue". Journal of the American Chemical Society. 60 (10): 2565. doi:10.1021/ja01277a506. 
• Subbarow, Y.; Dann, W.J.; Meilman, E. (1938). "The effect of ?-aminopyridine in experimental blacktongue". Journal of the American Chemical Society. 60 (6): 1510-1511. doi:10.1021/ja01273a505. 
• Subbarow, Y.; Hastings, A.B.; Elkin, M. (1945). "Chemistry of Anti-Pernicious Anemia Substances of Liver". Vitamins and Hormones. 3 (C): 237-296. doi:10.1016/s0083-6729(08)61114-0. 
• Subbarow, Y.; Hitchings, G.H. (1939). "Pantothenic acid as a factor in rat nutrition [9]". Journal of the American Chemical Society. 61 (6): 1615-1616. doi:10.1021/ja01875a522. 
• Subbarow, Y.; Jacobson, B.M.; Prochownick, V. (1936). "Studies of the pernicious anemia principle in liver. III. The isolation and properties of a substance with primary therapeutic activity". Journal of the American Chemical Society. 58 (11): 2234-2236. doi:10.1021/ja01302a044. 
• Subbarow, Y.; Rane, L. (1939). "Pantothenic acid as a growth factor for the Dochez NY5 strain of hemolytic Streptococcus [10]". Journal of the American Chemical Society. 61 (6): 1616. doi:10.1021/ja01875a523. 
• Waller, C.W.; Hutchings, B.L.; Mowat, J.H.; Stokstad, E.L.R.; Boothe, J.H.; Angier, R.B.; Semb, J.; SubbaRow, Y.; Cosulich, D.B.; Fahrenbach, M.J.; Hultquist, M.E.; Kuh, E.; Northey, E.H.; Seeger, D.R.; Sickels, J.P.; Smith Jr, J.M. (1948). "Synthesis of pteroylglutamic acid (liver L. casei factor) and pteroic acid. I". Journal of the American Chemical Society. 70 (1): 19-22. doi:10.1021/ja01181a006. 

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References

Source of article : Wikipedia