Archive for stem cell transplant
Could we make blood anywhere in the body?
Our bodies make blood in a specialized niche — a “nursery” within our bone marrow that nurtures blood stem cells so they can replicate and make different kinds of blood cells. The lab of Leonard Zon, MD, has even shown how blood stem cells, once they settle in the niche, are “cuddled” by nearby cells. ... Read More
How a leukemia hijacks the genes needed by blood stem cells
As a child, Lynn Aureli didn’t know that a particular genetic change contributed to her acute myeloid leukemia (AML) — an alteration that eventually would help explain the cancer’s lack of response to chemotherapy. Nor was she aware that her cancer had hijacked the genetic mechanism for maintaining the stem cells that form blood, like ... Read More
New work transforms our knowledge of how blood is formed
The origins of our blood may not be quite what we thought. In groundbreaking research, scientists in the Stem Cell Program at Boston Children’s Hospital used cellular “barcoding” techniques in mice to track the development of blood in real time — and found that blood cells originate not from one type of mother cell, but ... Read More
From our labs and clinics: 10 research advances in 2021
Pediatric medicine at Boston Children’s Hospital rests on a strong base of discovery science. But it can take decades for bench discoveries to be validated and replicated in humans and for treatments to be proven safe. When lab discoveries advance on the road to clinical application, it’s cause to celebrate. Here are 10 research success ... Read More
Surviving stem cell transplant: New hope when the donor isn’t a full match
To see Tara Daniels today, with a corporate job in marketing and about to close on a house, you’d never know what she’s been through, how thrilled she is to be alive. This month marks five years since she received a high-risk bone marrow transplant for a life-threatening blood cancer. Tara woke up feeling sick ... Read More
Arthritis drug reduces rates of acute graft-vs-host disease after bone marrow transplant
The immune-suppressing drug abatacept, currently used for rheumatoid arthritis, could make bone marrow transplant safer, report researchers at the Dana-Farber/Boston Children’s Cancer and Blood Disorders Center. The phase 2 randomized, multi-center clinical trial, the largest to date, appears in the Journal of Clinical Oncology. Abatacept (brand name ORENCIA) reduced rates of severe, acute graft-versus-host disease ... Read More
Poverty predicts worse cancer outcomes, even in children receiving top-tier care
A pair of recent studies suggests that even among patients receiving advanced cancer care, poverty is a predictor of worse outcomes. The disturbing findings raise many questions that follow-up studies are now exploring. Key takeaways Poverty was associated with 3.7-fold higher mortality among children receiving targeted immunotherapy for high-risk neuroblastoma. Household poverty was associated with ... Read More
Gene therapy’s future may be all about the bases
Gene therapy offers the possibility of a cure for many genetic disorders, especially those involving a single gene. The first kind of gene therapy used a virus to carry a corrected copy of the gene into people’s cells. When the early viral vectors used in the 1990s were found to have off-target effects, sometimes even ... Read More
Following blood stem cells in the body could yield better, safer treatments
Blood stem cells make all the different kinds of blood and immune cells in our body. Scientists have long been trying to make these cells in the lab and use them to make different blood cell types on demand. Mastering these feats could help make bone marrow transplants more efficient and less toxic, and could ... Read More
Stem cell transplant leads Ali to remission, and a new home
The journey that led Ali Mercy to Dana-Farber/Boston Children’s began in 2010, when Ali was diagnosed with acute lymphocytic leukemia (ALL). At that time, he was treated in the United Arab Emirates (UAE), where his family lived. Chemotherapy initially put Ali’s ALL into remission, but three years later, it returned — this time having metastasized to ... Read More