slimvictor
Bluelight Crew
On Jan. 11, 1922, a 14-year-old boy hovered between life and death. His name was Leonard Thompson and he was suffering the end stages of diabetes mellitus.
Because the only treatment available was a starvation diet, the boy weighed a mere 65 pounds when he was admitted to the Toronto General Hospital. Worse, Leonard was drifting in and out of a diabetic coma. His father was so desperate to save the boy that he agreed to let the doctors inject Leonard with a newly discovered wonder drug that had never been tried on another human being. The doctors called it insulin.
Insulin was discovered a year earlier by Frederick Banting, a tenacious, young surgeon from London, Ontario. During the fall of 1920, Dr. Banting became fascinated by studies on the role of the pancreas in regulating the metabolism of sugar and carbohydrates.
Soon enough, he hit upon the idea of ligating, or tying off, the pancreatic duct in order to isolate the gland's "internal secretion," a yet-to-be-identified biological substance which facilitated this critical metabolic process. Soon after, Banting took his idea to a world-renowned University of Toronto physiologist named J.J.R. Macleod.
Initially skeptical of the young surgeon's idea, Macleod eventually and somewhat begrudgingly lent Banting a makeshift laboratory for his use during the summer of 1921. Macleod also provided some dogs for him to experiment upon and assigned an eager medical student named Charles Best to help Dr. Banting with the necessary chemical analyses.
The results were nothing short of remarkable. By the summer's end, Banting and Best were able to isolate an extract of pancreas from the pancreatic duct-ligated dogs and successfully use that crude extract to treat diabetic dogs, both in terms of normalizing their blood sugar levels and relieving their diabetic symptoms.
Upon return from his summer vacation in Scotland, Professor Macleod was so impressed by the results that he dedicated his entire research team, including a talented biochemist named J.B. Collip, to the purification and production of insulin, with the goal of using the life-giving substance on human patients suffering from diabetes. By the winter of 1921-1922, Banting and Best were presenting their results at prestigious medical conferences to great acclaim and excitement.
Alas, the first trial of insulin on a human was not terribly encouraging. Although the pancreatic extract lowered Leonard Thompson's blood sugar by about 25 percent, the boy developed a severe allergic reaction to insulin. Consequently, the experiments were temporarily halted until a better means of purifying insulin could be developed.
Two weeks later, on Jan. 23, 1922, Leonard underwent a second series of insulin injections and the results were stunning. His life was, literally, saved by insulin and he became the poster boy of the now commonplace medical miracle.
cont at
http://www.pbs.org/newshour/rundown/2013/01/how-a-dying-boy-became-the-first-to-beat-diabetes.html
Because the only treatment available was a starvation diet, the boy weighed a mere 65 pounds when he was admitted to the Toronto General Hospital. Worse, Leonard was drifting in and out of a diabetic coma. His father was so desperate to save the boy that he agreed to let the doctors inject Leonard with a newly discovered wonder drug that had never been tried on another human being. The doctors called it insulin.
Insulin was discovered a year earlier by Frederick Banting, a tenacious, young surgeon from London, Ontario. During the fall of 1920, Dr. Banting became fascinated by studies on the role of the pancreas in regulating the metabolism of sugar and carbohydrates.
Soon enough, he hit upon the idea of ligating, or tying off, the pancreatic duct in order to isolate the gland's "internal secretion," a yet-to-be-identified biological substance which facilitated this critical metabolic process. Soon after, Banting took his idea to a world-renowned University of Toronto physiologist named J.J.R. Macleod.
Initially skeptical of the young surgeon's idea, Macleod eventually and somewhat begrudgingly lent Banting a makeshift laboratory for his use during the summer of 1921. Macleod also provided some dogs for him to experiment upon and assigned an eager medical student named Charles Best to help Dr. Banting with the necessary chemical analyses.
The results were nothing short of remarkable. By the summer's end, Banting and Best were able to isolate an extract of pancreas from the pancreatic duct-ligated dogs and successfully use that crude extract to treat diabetic dogs, both in terms of normalizing their blood sugar levels and relieving their diabetic symptoms.
Upon return from his summer vacation in Scotland, Professor Macleod was so impressed by the results that he dedicated his entire research team, including a talented biochemist named J.B. Collip, to the purification and production of insulin, with the goal of using the life-giving substance on human patients suffering from diabetes. By the winter of 1921-1922, Banting and Best were presenting their results at prestigious medical conferences to great acclaim and excitement.
Alas, the first trial of insulin on a human was not terribly encouraging. Although the pancreatic extract lowered Leonard Thompson's blood sugar by about 25 percent, the boy developed a severe allergic reaction to insulin. Consequently, the experiments were temporarily halted until a better means of purifying insulin could be developed.
Two weeks later, on Jan. 23, 1922, Leonard underwent a second series of insulin injections and the results were stunning. His life was, literally, saved by insulin and he became the poster boy of the now commonplace medical miracle.
cont at
http://www.pbs.org/newshour/rundown/2013/01/how-a-dying-boy-became-the-first-to-beat-diabetes.html
