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Archive for the ‘genetics’ category: Page 208

May 15, 2022

Gene Editing a “Factory Reset” for the Brain To Cure Anxiety and Excessive Drinking

Posted by in categories: bioengineering, biotech/medical, genetics, health, neuroscience

Gene editing reverses brain genetic reprogramming caused by adolescent binge drinking.

Gene editing may be a potential treatment for anxiety and alcohol use disorder in adults who were exposed to binge drinking in their adolescence, according to the findings of an animal study published on May 4, 2022, in the journal Science Advances.

The study was issued by researchers from the University of Illinois Chicago (UIC) who have been studying the effects of early-life binge drinking on health later in life.

May 15, 2022

Genes from over 5,000 stroke patients hint at surprising treatment

Posted by in categories: biotech/medical, genetics

Through genetic clues, scientists discovered that an old stroke therapy, which had abandoned for decades, might just work.

May 15, 2022

Dr Holly Ganz, PhD — CSO, AnimalBiome — Modulating Pet Gut Microbiomes For Longer And Happier Lives

Posted by in categories: biotech/medical, genetics, health

Modulating pet gut microbiomes for longer, healthier & happier lives — dr. holly ganz, CSO and co-founder, animalbiome.


Dr. Holly Ganz, Ph.D. is Chief Science Officer And Co-Founder of AnimalBiome (https://animalbiome.com/home), a company with a goal of helping cats and dogs lead longer, happier lives by using science to unlock the mysteries of the pet gut microbiome, providing access to genetic data on the health of the gut microbiome, better ways to log health and diet records, and offering remedies to treat chronic digestive disorders.

Continue reading “Dr Holly Ganz, PhD — CSO, AnimalBiome — Modulating Pet Gut Microbiomes For Longer And Happier Lives” »

May 14, 2022

CRISPR Technology in Gene-Editing-Based Detection and Treatment of SARS-CoV-2

Posted by in categories: biotech/medical, genetics

Outbreak and rapid spread of coronavirus disease (COVID-19) caused by coronavirus acute respiratory syndrome (SARS-CoV-2) caused severe acute respiratory syndrome (SARS-CoV-2) that started in Wuhan, and has become a global problem because of the high rate of human-to-human transmission and severe respiratory infections. Because of high prevalence of SARS-CoV-2, which threatens many people worldwide, rapid diagnosis and simple treatment are needed. Genome editing is a nucleic acid-based approach to altering the genome by artificially changes in genetic information and induce irreversible changes in the function of target gene. Clustered, regularly interspaced short palindromic repeats (CRISPR/Cas) could be a practical and straightforward approach to this disease. CRISPR/Cas system contains Cas protein, which is controlled by a small RNA molecule to create a double-stranded DNA gap. Evidence suggested that CRISPR/Cas was also usable for diagnosis and treatment of SARS-CoV-2 infection. In this review study, we discoursed on application of CRISPR technology in detection and treatment of SARS-CoV-2 infection. Another aspect of this study was to introduce potential future problems in use of CRISPR/Cas technology.

Coronavirus disease (COVID-19) was spread in December 2019 and was recognized as a zoonotic disease (Drosten et al., 2017; Andersen et al., 2020). Severe acute respiratory syndrome (SARS) virus was detected in sputum samples in 2003, and advanced stages in fecal samples may have been transmitted to humans by an intermediate host such as bats and civets (Wang and Eaton, 2007; Graham and Baric, 2010). Severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) can be transmitted from an unknown carrier to a healthy person who could infect many people. SARS-CoV-2 resulted in pneumonia in Wuhan, China, with various symptoms reported. The disease has developed into a pandemic (Wu C. et al., 2020; Wu D. et al., 2020; Guan et al., 2020). Appropriate methods could treat and control the disease. CRISPR/Cas9 was first recognized as a microbial immune system through which these organisms acquire immunity to invading viruses and plasmids (Garneau et al., 2010).

May 13, 2022

Scientists Suggest Editing Human Genetic Code to Prevent Heart Attacks

Posted by in categories: biotech/medical, business, genetics

Heart attacks are the world’s leading cause of death, yet the few treatments available are often expensive and inaccessible. Although that’s been the case for years, the World Health Organization warned back in 2020 heart disease numbers were still on the rise.

Verve Therapeutics says altering human genomes to prevent the buildup of bad cholesterol might be the answer, and is creating what CEO Sekar Kathiresan says may be a permanent solution to heart disease. The company is backed by Google Ventures, according to a report about the breakthrough published Friday in Bloomberg. Verve also counts a Harvard medical professor and an award-winning medical expert among its cofounders.

“We’re on the cusp of potentially transforming that model to a one-and-done treatment,” Kathiresan told the business publication.

May 13, 2022

Using an Endemic Virus as a Gene Therapy for Life Extension

Posted by in categories: biotech/medical, genetics, life extension

In a study printed in PNAS, researchers have shown that telomerase reverse transcriptase (TERT) can be given to cells in living mice through a viral vector, taking the idea of life-extending gene therapies from science fiction to reality.

Why a cytomegalovirus?

The human cytomegalovirus (CMV) is widely known as an endemic virus that, while usually asymptomatic, is known to cause with harmful effects in babies and older adults. However, some of its properties make this virus suitable for delivering gene therapies. As cytomegaloviruses can carry large genetic payloads and don’t overwrite the DNA of their host cells [1], replacing the genes of these viruses with beneficial DNA may be safer than approaches with more potential off-target effects; development in this area is ongoing, and a phase 1 human clinical trial has already been conducted [2].

May 12, 2022

The origin of life: A paradigm shift

Posted by in categories: biological, evolution, genetics

According to a new concept by LMU chemists led by Thomas Carell, it was a novel molecular species composed out of RNA and peptides that set in motion the evolution of life into more complex forms.

Investigating the question as to how life could emerge long ago on the early Earth is one of the most fascinating challenges for science. Which conditions must have prevailed for the basic building blocks of more complex life to form? One of the main answers is based upon the so-called RNA world idea, which molecular biology pioneer Walter Gilbert formulated in 1986. The hypothesis holds that nucleotides—the basic building blocks of the nucleic acids A, C, G, and U—emerged out of the primordial soup, and that short RNA molecules then formed out of the nucleotides. These so-called oligonucleotides were already capable of encoding small amounts of genetic information.

As such single-stranded RNA molecules could also combine into double strands, however, this gave rise to the theoretical possibility that the molecules could replicate themselves—i.e. reproduce. Only two nucleotides fit together in each case, meaning that one strand is the exact counterpart of another and thus forms the template for another strand.

May 12, 2022

Could an Atlas of the Brain’s Genome Solve Neuropsychiatric Disorders?

Posted by in categories: biotech/medical, genetics, neuroscience

Dr. Thomas Lehner was tired of his research repeatedly hitting a wall.

A scientist at the National Institute of Mental Health, Lehner studies the genetic underpinnings of neuropsychiatric disorders. Teasing out associated genes turned out to be relatively simple. Schizophrenia, for example, is linked to small variations in some 360 genes.

The problem is identifying the ones that really matter—culprit gene variants that can be turned into predictive tests, similar to the BRCA gene for breast cancer.

May 12, 2022

UCSF Gene Therapy for Deadly Mutation Fast-Tracked for FDA Review

Posted by in categories: biotech/medical, genetics

A new fast-track review for UCSF gene therapy could help more kids with deadly Artemis-SCID disease get life-saving treatment sooner.

May 11, 2022

Genomic Editing of Non-Coding RNA Genes with CRISPR/Cas9 Ushers in a Potential Novel Approach to Study and Treat Schizophrenia

Posted by in categories: bioengineering, biotech/medical, genetics, health, neuroscience

Circa 2017


Schizophrenia is a genetically related mental illness, in which the majority of genetic alterations occur in the non-coding regions of the human genome. In the past decade, a growing number of regulatory non-coding RNAs (ncRNAs) including microRNAs (miRNAs) and long non-coding RNAs (lncRNAs) have been identified to be strongly associated with schizophrenia. However, the studies of these ncRNAs in the pathophysiology of schizophrenia and the reverting of their genetic defects in restoration of the normal phenotype have been hampered by insufficient technology to manipulate these ncRNA genes effectively as well as a lack of appropriate animal models. Most recently, a revolutionary gene editing technology known as Clustered Regularly Interspaced Short Palindromic Repeats (CRISPR)/CRISPR-associated nuclease 9 (Cas9; CRISPR/Cas9) has been developed that enable researchers to overcome these challenges. In this review article, we mainly focus on the schizophrenia-related ncRNAs and the use of CRISPR/Cas9-mediated editing on the non-coding regions of the genomic DNA in proving causal relationship between the genetic defects and the pathophysiology of schizophrenia. We subsequently discuss the potential of translating this advanced technology into a clinical therapy for schizophrenia, although the CRISPR/Cas9 technology is currently still in its infancy and immature to put into use in the treatment of diseases. Furthermore, we suggest strategies to accelerate the pace from the bench to the bedside. This review describes the application of the powerful and feasible CRISPR/Cas9 technology to manipulate schizophrenia-associated ncRNA genes. This technology could help researchers tackle this complex health problem and perhaps other genetically related mental disorders due to the overlapping genetic alterations of schizophrenia with other mental illnesses.

Keywords: CRISPR/Cas9; gene editing; lncRNAs; miRNAs; non-coding RNAs; schizophrenia.