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Friday, July 29, 2016

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1.7 Million-Year-Old Foot Bone Offers Earliest Evidence of Malignant Cancer : sci-tech-today

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1.7 Million-Year-Old Foot Bone Offers Earliest Evidence of Malignant Cancer

1.7 Million-Year-Old Foot Bone Offers Earliest Evidence of Malignant Cancer
1.7 Million-Year-Old Foot Bone Offers Earliest Evidence of Malignant Cancer
1.7 Million-Year-Old Foot Bone Offers Earliest Evidence of Malignant CancerCancer's roots lie deep in prehistory.Swartkrans cave, a rich archaeological site, has yielded a 1.7 million-year-old foot bone with a malignant tumor -- the oldest evidence of cancer yet discovered by scientists.Researchers identified the tumor as osteosarcoma, an aggressive bone cancer found in young people among modern adults.The ancient foot, however, did not belong to a modern adult.


besides natureworldnews

Scientists Discover Evidence of Cancer and Bony Tumors in 1.7 Million Years Old Foot Bone

Scientists Discover Evidence of Cancer and Bony Tumors in 1.7 Million Years Old Foot Bone
Scientists Discover Evidence of Cancer and Bony Tumors in 1.7 Million Years Old Foot Bone
Volume rendered image of the external morphology of the foot bone shows the extent of expansion of the primary bone cancer beyond the surface of the bone.(Photo : Patrick Randolph-Quinney )An international team of researchers have discovered the most ancient evidence of cancer and bony tumors in a foot bone dated to approximately 1.7 million years ago from the site of Swartkrans.AdvertisementThe discovery, described in two separate paper published in the South African Journal of Science, suggest that cancers in humans can be dated back to deep prehistory."Modern medicine tends to assume that cancers and tumours in humans are diseases caused by modern lifestyles and environments.






in like manner newser

This Is the Oldest Evidence of Cancer in Humans

This Is the Oldest Evidence of Cancer in Humans
This Is the Oldest Evidence of Cancer in Humans
(Newser) – The oldest evidence of cancer in human relatives has long been a 120,000-year-old Neanderthal.A single foot bone changes that, by a lot.Belonging to an early hominin who lived 1.7 million years ago in South Africa, it holds the oldest example of a malignant tumor in a human ancestor and upends scientists' view of cancer throughout history.The bone, which ran from the ankle to the pinky toe of a Homo ergaster or Paranthropus robustus hominin, per the BBC, was actually discovered decades ago but recently re-examined with high-resolution X-rays.


in the same way sci-news

South African Fossils Reveal Earliest Hominin Evidence of Cancer

South African Fossils Reveal Earliest Hominin Evidence of Cancer
South African Fossils Reveal Earliest Hominin Evidence of Cancer
A team of paleontologists led by Dr. Patrick Randolph-Quinney from the University of the Witwatersrand (Wits University) in Johannesburg, South Africa, and the University of Central Lancashire, UK, announced this week the discovery of the earliest evidence for cancer and bony tumors yet described in the human fossil record.Dr. Randolph-Quinney and his colleagues found a 1.6-1.8 million-year-old foot bone with definitive evidence of malignant cancer at the cave site of Swartkrans in the Cradle of Humankind, South Africa.The bone belonged to an early hominin, either Paranthropus robustus or Homo ergaster.The cancer was identified as an osteosarcoma, an aggressive form which usually affects younger individuals in modern humans, and, if untreated typically results in early death.


in the same way vice

Scientists Just Discovered The Oldest Evidence of Cancer in Humans

Scientists Just Discovered The Oldest Evidence of Cancer in Humans
Scientists Just Discovered The Oldest Evidence of Cancer in Humans
Cancer predates the rise of Homo sapiens some 200,000 years ago.Scientists know that cancer is ancient—evidence of it is found in hadrosaurs alive during the Cretaceous period—but how it evolved alongside human genes has remained a medical mystery.Now, a study reveals a malignant tumor in the foot of a 1.7 million-year-old hominin, an extinct human species—the oldest known case of human cancer.The new findings, published today in the South African Journal of Science, mark cancer's first appearance in prehistory, and further debunk its inaccurate description as a modern illness.


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