A woman named Henrietta lived long ago.
Doctors took some of her cells. These cells can grow and grow. They help us learn about health. They help make medicine for you.
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A woman named Henrietta Lacks lived long ago.
She lived in Virginia and Maryland. She worked on a farm. She also had a family with many children.
Doctors took some of her cells while she was sick. These cells were very special. They could grow and grow in a lab.
Because these cells live so long, they help scientists. They helped make a medicine for polio. They also help us study many other things.
Scientists still use these cells today. They help us learn about health.
Henrietta Lacks was an African-American woman born in 1920.
She grew up in Virginia and worked on a tobacco farm. Later, she moved to Maryland with her husband and children. In 1951, she became very sick with cancer. During her treatment, doctors took samples of her cells. They did not ask her or her family for permission. This was common at that time.
One scientist named George Gey studied these cells. He found they were very special. Most human cells die quickly in a lab. But Henrietta's cells could grow and divide forever. This made them "immortal," which means they do not die.
He named the cells "HeLa" using her first and last initials. These cells changed science. They helped Jonas Salk make the polio vaccine. Scientists also use them to study many diseases. They even help test things like glue and makeup.
Her family did not know about the cells for many years. They only found out in 1975. Today, people still talk about her story. They discuss the rights of patients and their privacy.
Henrietta Lacks was an African-American woman whose cells changed the world of medicine.
She was born Loretta Pleasant on August 1, 1920, in Roanoke, Virginia. Her family lived in Clover, Virginia, where she worked as a tobacco farmer. She helped her family by tending gardens and feeding animals. Later, she moved to Maryland with her husband, David "Day" Lacks. They lived in Turner Station, which was a large African-American community. Henrietta had several children and lived a busy life before she became ill.
In 1951, Henrietta went to Johns Hopkins Hospital in Baltimore, Maryland. She felt a knot in her womb and was diagnosed with cervical cancer. During her treatment, doctors took samples of her healthy and cancerous tissue. They did not ask for her permission or tell her about it. This was the common way doctors worked at that time. These samples were given to a researcher named George Otto Gey. He wanted to see if he could grow the cells in a lab.
George Gey discovered something amazing about these specific cells. Most human cells die very quickly when grown in a laboratory. However, Henrietta's cells could divide and reproduce over and over again. Because they could live and grow indefinitely, scientists called them "immortal." Gey named them "HeLa" using the first two letters of her names. He used a method called the roller-tube technique to grow them. This allowed scientists to use the same cells for many different tests.
These HeLa cells became a huge tool for medical breakthroughs. In 1954, Jonas Salk used them to help develop the polio vaccine. They were also used to study many things like AIDS and radiation. Scientists even used them to test if products like glue or cosmetics were safe for humans. HeLa cells were even the first human cells to be successfully cloned in 1955. There are now almost 11,000 patents that involve these cells. They have helped doctors understand many different parts of how the body works.
Even though the cells helped many people, the Lacks family did not know for a long time. They only learned about the cells in 1975 through a conversation at a dinner party. For many years, the family had not even discussed Henrietta's illness together. The use of her cells has raised big questions about privacy and patient rights. Today, people discuss how to protect a person's genetic information. Henrietta Lacks is remembered both for her scientific impact and her family's story.
Henrietta Lacks was an African-American woman whose biological material changed the course of modern medicine.
Her cells became the source of the HeLa cell line. This was the first immortalized human cell line ever created. An immortalized cell line is a group of cells that can reproduce indefinitely under specific conditions. Today, HeLa cells remain one of the most important tools in medical research. They provide a constant source of data for scientists studying human biology and disease.
In 1951, Lacks sought treatment at the Johns Hopkins Hospital in Baltimore, Maryland. She had been feeling a "knot" in her womb. Doctors performed a biopsy, which is a procedure to take a sample of tissue, on a mass found on her cervix. She was diagnosed with a malignant epidermoid carcinoma of the cervix. In 1970, physicians discovered she actually had an adenocarcinoma, though the treatment would not have differed. During her treatment, researchers took two samples from her cervix without her knowledge or permission. One sample contained healthy tissue, and the other contained cancerous cells. These samples were provided to George Otto Gey, a cancer researcher.
George Gey observed that these specific cells behaved very differently from others. Usually, human cells cultured in a laboratory survive for only a few days. However, Lacks's cells reproduced at an extremely high rate. They could be kept alive in a laboratory setting for a very long time. Because they could divide repeatedly without dying, they were called "immortal." Gey used the roller-tube technique to culture the cells. He isolated one specific cell and repeatedly divided it. He named the line "HeLa" by using the first two letters of her first and last names.
The ability to mass-produce these cells led to many scientific breakthroughs. In 1954, Jonas Salk used HeLa cells to help develop the polio vaccine. To test this vaccine, scientists used the first-ever cell production factory. In 1955, HeLa cells became the first human cells to be successfully cloned. Scientists have also used them to study AIDS, radiation, and toxic substances. They have even been used to test how humans react to products like glue, tape, and cosmetics. There are now nearly 11,000 patents that involve HeLa cells.
Lacks's life began on August 1, 1920, in Roanoke, Virginia. She was born Loretta Pleasant to Eliza and John Pleasant. Her early life involved working as a tobacco farmer in Clover, Virginia. She had to leave school in the sixth grade to help support her family. Later, she married David "Day" Lacks in 1941. The couple moved to Turner Station, Maryland, to work near Baltimore. They had several children together, including David Jr., Deborah, and Joseph. Henrietta died on October 4, 1951, at the age of 31. An autopsy showed the cancer had metastasized, or spread, throughout her entire body.
The history of HeLa also involves significant ethical questions. At the time the cells were taken, doctors did not ask for consent. This was common practice in 1951, but it caused later problems. The Lacks family did not learn about the cell line until 1975. This happened through a conversation at a dinner party. Before this, the family had not even discussed Henrietta's illness with one another. In the 1980s, medical records of the family were published without their permission. In 2013, researchers published the DNA sequence of a HeLa strain. This caused concern for the family regarding their genetic privacy.
Today, the story of Henrietta Lacks connects biology to the study of patient rights. The use of her cells for commercial purposes continues to raise questions. In 1990, a court case called Moore v. Regents of the University of California ruled that discarded cells are not the property of the patient. This means cells can be used for profit by others. The Lacks family continues to navigate the impact of her genetic information being public. Henrietta Lacks is now remembered through historical markers and even a dedicated park.
Her legacy lives on in every laboratory that uses HeLa cells.
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