Tag #Genetics

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theguardian.com

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Apr 21, 22:12

Jamaican Sickle Cell Research Pioneer Graham Serjeant Dies at 86

British doctor Graham Serjeant, who died aged 86, conducted groundbreaking research on sickle cell disease in Jamaica for over 50 years, impacting treatment and challenging previous medical understandings.

Jamaican Sickle Cell Research Pioneer Graham Serjeant Dies at 86

British doctor Graham Serjeant, who died aged 86, conducted groundbreaking research on sickle cell disease in Jamaica for over 50 years, impacting treatment and challenging previous medical understandings.

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What specific advancements in understanding and treatment of sickle cell disease resulted from Serjeant's research in Jamaica?

Graham Serjeant, a British doctor, dedicated over 50 years to researching sickle cell disease in Jamaica. His extensive research, including a 40-year cohort study of 550 children, significantly advanced the understanding and treatment of this genetic condition, leading to a 90% reduction in deaths from acute splenic sequestration. His work challenged prevailing medical beliefs, demonstrating the possibility of surviving sickle cell disease into adulthood.

africa.chinadaily.com.cn

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Apr 20, 04:10

Rice Pangenome Map Unveiled: Boosting Food Security and Sustainable Agriculture

Chinese scientists published a comprehensive map of rice genes in Nature, revealing 69,000 genes, 20% unique to wild rice and crucial for disease resistance and environmental adaptability, aiding in developing superior rice varieties to address global food security.

Rice Pangenome Map Unveiled: Boosting Food Security and Sustainable Agriculture

Chinese scientists published a comprehensive map of rice genes in Nature, revealing 69,000 genes, 20% unique to wild rice and crucial for disease resistance and environmental adaptability, aiding in developing superior rice varieties to address global food security.

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Zero Hunger

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What is the primary significance of the detailed rice gene map for global food security?

Chinese scientists created a comprehensive gene map of 145 rice samples, mostly wild, revealing 69,000 genes, including 20% unique to wild rice and linked to disease resistance and environmental adaptability. This resource allows for the development of superior rice varieties to address food shortages and environmental challenges.

elpais.com

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Apr 12, 07:14

Galton's Legacy: Fingerprints, Eugenics, and the Heritability of Intelligence

Francis Galton, Darwin's cousin, rejected religious dogma and made significant contributions to fingerprint analysis and the controversial concept of eugenics, proposing selective breeding to improve human intellect, impacting both scientific and ethical discourse.

Galton's Legacy: Fingerprints, Eugenics, and the Heritability of Intelligence

Francis Galton, Darwin's cousin, rejected religious dogma and made significant contributions to fingerprint analysis and the controversial concept of eugenics, proposing selective breeding to improve human intellect, impacting both scientific and ethical discourse.

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Reduced Inequality

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What factors influenced Galton's development of eugenics, and what were the initial reactions and later implications of this theory?

Galton's work on eugenics, stemming from Darwin's theory of evolution, challenged prevailing theological views and proposed selective breeding to enhance human intellect. This concept, although controversial, influenced later scientific thought and sparked debate about the heritability of intelligence.

bbc.com

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Mar 24, 10:10

23andMe Files for Bankruptcy, CEO Resigns

DNA testing company 23andMe filed for bankruptcy, resulting in CEO Anne Wojcicki's resignation and the company's planned sale. The California Attorney General advised customers to delete their data due to financial concerns, following a 2023 data breach and failed attempts to diversify revenue strea...

23andMe Files for Bankruptcy, CEO Resigns

DNA testing company 23andMe filed for bankruptcy, resulting in CEO Anne Wojcicki's resignation and the company's planned sale. The California Attorney General advised customers to delete their data due to financial concerns, following a 2023 data breach and failed attempts to diversify revenue strea...

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How did 23andMe's business model and data breach contribute to its financial struggles?

23andMe's bankruptcy highlights the challenges faced by companies relying on one-time purchases and struggling to diversify revenue streams. Despite initial success and high valuations, 23andMe's failure to establish a sustainable business model, coupled with a data breach and subsequent lawsuit, led to its downfall. The company's efforts to transition into drug development and subscription services proved unsuccessful.

npr.org

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Mar 20, 01:13

Darwin's Cats Project Seeks 100,000 Feline Participants

The Darwin's Cats project, a collaboration between the Broad Institute, MIT, Harvard, and UMass Chan Medical School, aims to collect DNA samples and behavioral surveys from 100,000 cats by June 2026 to create a comprehensive database of feline genetics and behavior, building upon a similar dog-focus...

Darwin's Cats Project Seeks 100,000 Feline Participants

The Darwin's Cats project, a collaboration between the Broad Institute, MIT, Harvard, and UMass Chan Medical School, aims to collect DNA samples and behavioral surveys from 100,000 cats by June 2026 to create a comprehensive database of feline genetics and behavior, building upon a similar dog-focus...

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How does the Darwin's Cats project differ from previous initiatives, and what are the methods used for data collection and analysis?

This project connects cat behavior to genetics by analyzing DNA alongside behavioral data from a large-scale sample population. This approach aims to uncover genetic influences on cat traits, behaviors, and health issues, addressing unanswered questions about feline biology and evolution. The project's success depends on the participation of 100,000 cat owners.

nos.nl

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Mar 19, 22:16

Single Genetic Variation Holds Key to Type 1 Diabetes Prevention and Treatment

Dutch researchers discovered a single genetic letter variation protecting against type 1 diabetes, affecting 100,000 people, enabling more precise diagnosis, prediction, and potential new treatments using CRISPR-Cas technology; the research is published in Cell.

Single Genetic Variation Holds Key to Type 1 Diabetes Prevention and Treatment

Dutch researchers discovered a single genetic letter variation protecting against type 1 diabetes, affecting 100,000 people, enabling more precise diagnosis, prediction, and potential new treatments using CRISPR-Cas technology; the research is published in Cell.

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What is the significance of the discovery of a single genetic variation in understanding and treating type 1 diabetes in the Netherlands?

Dutch researchers have discovered a single genetic variation responsible for protecting against type 1 diabetes, affecting 100,000 people in the Netherlands. This discovery allows for more precise diagnosis and prediction of disease progression, paving the way for potential new treatments. The research, published in Cell, focuses on a variation in the insulin gene, present in 40% of the Dutch population, that prevents the immune system from attacking insulin-producing cells.

dailymail.co.uk

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Apr 21, 22:12

Genetic Link Found Between Myotonic Dystrophy Type 1 and Autism

A new study published in Nature Neuroscience found that children with myotonic dystrophy type 1 (DM1) are 14 times more likely to develop autism spectrum disorder, potentially due to a shared genetic mechanism involving the DMPK gene.

Genetic Link Found Between Myotonic Dystrophy Type 1 and Autism

A new study published in Nature Neuroscience found that children with myotonic dystrophy type 1 (DM1) are 14 times more likely to develop autism spectrum disorder, potentially due to a shared genetic mechanism involving the DMPK gene.

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What is the significance of the 14-fold increased risk of autism in children with myotonic dystrophy type 1 (DM1)?

A new study reveals a 14-fold increased risk of autism spectrum disorder (ASD) in children with myotonic dystrophy type 1 (DM1), a genetic condition causing muscle weakness and cognitive issues. This suggests a shared genetic mechanism, potentially involving the DMPK gene, and opens avenues for targeted treatments. The study, published in Nature Neuroscience, analyzed RNA in individuals with and without autism, identifying a 'toxic RNA' linked to the DMPK gene repetition.

bbc.com

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Apr 16, 10:08

Northern Scotland's High Huntington's Disease Rate Prompts Call for Action

A new study shows Northern Scotland has a Huntington's disease rate of 14.5 per 100,000 people—over five times the global average—with over 160 adults in the region genetically predisposed but untested, prompting calls for improved care planning.

Northern Scotland's High Huntington's Disease Rate Prompts Call for Action

A new study shows Northern Scotland has a Huntington's disease rate of 14.5 per 100,000 people—over five times the global average—with over 160 adults in the region genetically predisposed but untested, prompting calls for improved care planning.

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How does this study's methodology differ from previous research, and what additional insights does it provide regarding the scope of the problem?

The study's use of family tree records, unlike previous statistical models, provides a more precise count of those at risk. This precise data is crucial for planning healthcare services and future treatments. The high rate necessitates immediate action for resource allocation and care planning.

dailymail.co.uk

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Apr 10, 01:18

Paternal Alzheimer's Linked to Increased Risk in Children

Research from McGill University reveals a link between fathers with Alzheimer's and increased tau protein spread in their children's brains, potentially increasing their risk of developing the disease, challenging previous assumptions about gender's role and highlighting the substantial economic bur...

Paternal Alzheimer's Linked to Increased Risk in Children

Research from McGill University reveals a link between fathers with Alzheimer's and increased tau protein spread in their children's brains, potentially increasing their risk of developing the disease, challenging previous assumptions about gender's role and highlighting the substantial economic bur...

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What is the key finding of the McGill University study regarding the link between a father's Alzheimer's and their children's risk?

A new study suggests a link between a father's Alzheimer's diagnosis and increased tau protein spread in the brains of their children, potentially raising their risk of developing the disease. This challenges the previous belief that women are more prone due to longer lifespans. The research involved brain scans and cognitive tests of 243 individuals with a family history of Alzheimer's but no cognitive symptoms.

dailymail.co.uk

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Mar 20, 04:12

Gantenerumab Halves Alzheimer's Risk in Genetically Predisposed Individuals

A study of 73 adults with a faulty gene (PSEN2) causing nearly certain Alzheimer's found that gantenerumab, an anti-amyloid drug, halved their risk of developing the disease, suggesting that targeting amyloid could prevent Alzheimer's in millions.

Gantenerumab Halves Alzheimer's Risk in Genetically Predisposed Individuals

A study of 73 adults with a faulty gene (PSEN2) causing nearly certain Alzheimer's found that gantenerumab, an anti-amyloid drug, halved their risk of developing the disease, suggesting that targeting amyloid could prevent Alzheimer's in millions.

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What is the main finding of the study regarding the effectiveness of gantenerumab in preventing early-onset Alzheimer's?

A new study suggests that the drug gantenerumab may prevent early-onset Alzheimer's in individuals with the PSEN2 gene mutation. The drug, which targets amyloid proteins in the brain, reduced the risk of developing Alzheimer's by 50% in a group of genetically predisposed individuals. This finding offers hope for preventing the disease in those at high risk.

nos.nl

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Mar 19, 22:16

Single Genetic Variation Found to Protect Against Type 1 Diabetes

Dutch researchers discovered a single-letter genetic variation protecting against type 1 diabetes, affecting 100,000 people in the Netherlands; this discovery, published in Cell, enables more precise diagnoses, improved disease prediction, and potential new treatments.

Single Genetic Variation Found to Protect Against Type 1 Diabetes

Dutch researchers discovered a single-letter genetic variation protecting against type 1 diabetes, affecting 100,000 people in the Netherlands; this discovery, published in Cell, enables more precise diagnoses, improved disease prediction, and potential new treatments.

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What are the potential long-term impacts of this discovery on personalized medicine approaches to type 1 diabetes treatment, particularly concerning the use of CRISPR-Cas gene editing?

This research, spearheaded by diabetologist Bart Roep, represents a significant shift from treating symptoms to addressing the root cause of type 1 diabetes. Further research will investigate how this genetic variant influences the effectiveness of existing treatments, paving the way for personalized medicine approaches using CRISPR-Cas gene editing technology.

nos.nl

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Mar 16, 04:09

Unique Genes and Microbiome Contributed to 117-Year-Old's Exceptional Longevity

Maria Branyas Morera, the world's oldest person until her death at 117 in August 2023, possessed unique genes and a baby-like microbiome, factors contributing to her exceptional health and longevity, according to researchers at the University of Barcelona.

Unique Genes and Microbiome Contributed to 117-Year-Old's Exceptional Longevity

Maria Branyas Morera, the world's oldest person until her death at 117 in August 2023, possessed unique genes and a baby-like microbiome, factors contributing to her exceptional health and longevity, according to researchers at the University of Barcelona.

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How did Branyas's microbiome and diet contribute to her overall health and longevity?

Branyas's exceptional lifespan resulted from a combination of her unique genetic makeup, a healthy lifestyle including a Mediterranean diet and daily exercise, and a positive mental attitude. These factors synergistically contributed to her exceptional health.

Showing 49 to 60 of 104 results