Author Archives: Karen Weintraub

Resistance to Common Germs Poses a Hurdle to New Gene Therapies

Exposure to everyday pathogens generates an immune response that could interfere with CRISPR-based gene-editing treatment 

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Massive Skin Replacement Saves Child’s Life

European doctors use gene therapy to correct an inherited disease and replace 80 percent of Syrian refugee’s epidermis

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New Gene-Editing "Pencil" Erases Disease-Causing Errors

This tool could, in theory, fix genetic mistakes that lead to about 15,000 illnesses

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Jane Goodall, Still Traveling the World and Speaking Up for Animals at 83

The famed primatologist talks about her past work, her environmental concerns and the importance of conservation

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Powerful Childhood Cancer Treatment Holds Promise–and Poses Hazards

Researchers say harsh side effects and puzzling gaps in effectiveness can be tweaked

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Gene-Editing Success Brings Pig-to-Human Transplants Closer to Reality

CRISPR has enabled researchers to inactivate viruses in donor animals that may sicken humans

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Revenge of the Super Lice

Overexposure to insecticides has bred resistance in the parasites, making it harder than ever to treat infestation

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New Approach to Amputation Could Reduce Phantom Pain

The technique, tested in rodents, could yield better sensation and control of prosthetic limbs

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Ethical Guidelines on Lab-Grown Embryos Beg for Revamping, Scientists Say

It may be time to update the currently observed 14-day rule as a benchmark

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Politics-Wary Scientists Wade into the Trump Fray at Boston Rally

Reluctant protesters say they no longer have the luxury of staying in the lab

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Autism Starts Months before Symptoms Appear, Study Shows

Flagging children early offers the possibility of more effective treatment

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Studies Link Some Stomach Drugs to Possible Alzheimer’s Disease and Kidney Problems

Doctors and patients are grappling with the unsettling finding that chronic use of popular heartburn medicines may be riskier than was thought

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Scientists Find a Voice at Massive Rally for Immigrants

Students, doctors and researchers join a big protest in the academic hub of Boston

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Fitness Bracelets May Warn of Serious Illness

Baseline data on body rhythms can make the wrist monitors work like “check engine” lights, a new study suggests

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How to Control Aging

A new book lays out the scientific case for lengthening your telomeres—and perhaps your life 

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Could a Special Diet Replace Chemotherapy?

For patients with blood cancer or in need of a bone marrow transplant, the amino acid valine could hold answers to new treatments

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Aging Is Reversible–at Least in Human Cells and Live Mice

Changes to gene activity that occur with age can be turned back, a new study shows 

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"Three-Parent Baby" Procedure Faces New Hurdle

Mitochondrial disease can somehow creep back in, even if a mother’s mitochondria are virtually eliminated in an attempt to block inherited illnesses

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A Shot against Cancer

Enhancing the body’s own immune system is leading to promising results in the battle against malignancy

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Could Diet Change Help Treat Blood Cancer or Transplant Patients?

Scientists make a fundamental discovery about the amino acid valine’s role in blood stem cell development 

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Healthy Baby Mice Produced from Mouse Mom’s Skin Cells

Cells were matured in a lab dish, edging toward a process that may one day work in humans  

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Send in the Clones: Cloned Mammals Are Just as Healthy as Their ‘Natural’ Counterparts

The first rigorous study of aging cloned animals reveals they are perfectly normal

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Time to Change the Ink in the Bone Printer

Researchers 3D-print pliable, custom-made graft parts in minutes

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Promising Links Found between Different Causes of Parkinson’s

Glitches in cells’ mitochondria power plants underlie various types of cases

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Alzheimer’s Drug Shows Promise in Small Trial

Patients who received the antibody therapy had reduced levels of amyloid protein in their brains after one year

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Spry Dolly Siblings Could Make Clone Skeptics Sheepish

Copied animals’ long and healthy retirement may breathe life into cloning applications

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She Has His Eyes–Does Gender Matter in Cornea Transplants?

A study suggests women are more likely to reject men’s corneas, contradicting practice and previous research

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Regrown Brain Cells Give Blind Mice a New View

Mix of gene manipulation and exercise raises hopes in fight against glaucoma, spinal injury and Alzheimer’s

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20 Years after Dolly the Sheep Led the Way—Where Is Cloning Now?

Cloning has had a bigger impact on science, but a smaller one on human life, than many expected

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Taking Gene-Editing to the Next Level 

Scientists use a process developed by bacteria to manipulate RNA  

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