Breaking News
July 19, 2018 - Scientists study adverse effects of carbon, silicon nanotubes and carbon nanofibers
July 19, 2018 - Keck Hospital of USC receives Magnet recognition for excellence in nursing
July 19, 2018 - Scientists identify hidden signals in RNAs that control protein synthesis
July 19, 2018 - Quadrivalent HPV Vaccine Not Tied to Spontaneous Abortion
July 19, 2018 - FDA OKs first drug made to reduce excessive sweating
July 19, 2018 - New findings do no support caffeine as effective appetite suppressant or weight-loss aid
July 19, 2018 - Prolonged preoperative opioid use linked to adverse outcomes after total knee and hip arthroplasty
July 19, 2018 - Biophysicists use infrared sensor as new method for drug discovery
July 19, 2018 - Rat study shows negative effects of perinatal exposure to phthalates
July 19, 2018 - Children with disabilities endure long waits for life-changing medical equipment
July 19, 2018 - Ways to stay safe while camping and hiking
July 19, 2018 - People with HIV twice as likely to suffer from heart disease
July 19, 2018 - On-the-Job Stress Relief – Drugs.com MedNews
July 19, 2018 - Compounds found in green tea and wine may block formation of toxic metabolites
July 19, 2018 - Gene regulator associated with protein pileup in exfoliation glaucoma
July 19, 2018 - Trump administration summons immigrant infants
July 19, 2018 - FDA grants approval for first breast cancer drug through ‘Real-Time Oncology Review’
July 19, 2018 - Five tips for men seeking plastic surgery
July 19, 2018 - Researchers discover the reasons why some people get dizzy when hearing certain sounds
July 19, 2018 - Research project investigates snake venom treatment as antibiotic alternative for eye infections
July 19, 2018 - Melanoma could soon be detected using a blood test
July 19, 2018 - Exposure to bright light may have big impact on sleep-related behavior in children
July 19, 2018 - Deleting single gene in gut bacteria affects metabolism, reduces weight gain in mice
July 19, 2018 - New proteomics studies help gain more insights into Alzheimer’s, cancer and listeriosis
July 19, 2018 - Study finds major discrepancies in prescription drug labeling pregnancy information across four countries
July 19, 2018 - Cellectar’s CLR 131 Receives FDA Orphan Drug Designation for Treatment of Ewing’s Sarcoma
July 19, 2018 - Watching the immune system in action reveals what happens when things goes wrong
July 19, 2018 - Increasing blood sugar levels improves memory and performance in older adults
July 19, 2018 - Connection between self-regulation and obesity appears to be different for girls and boys
July 19, 2018 - Researchers develop new, less destructive method for whitening teeth
July 19, 2018 - Revving up innate control of viral infection requires a three-cell ignition
July 19, 2018 - Inaccurate direct-to-consumer raw genetic data can harm patients, new research suggests
July 19, 2018 - Weight loss surgery is effective under the right situations
July 19, 2018 - BioTek awarded patent for autofocus feature on microplate reader
July 19, 2018 - Low-carb diets reduce stiffness of arteries in women and promote weight loss in men
July 19, 2018 - New review examines cannabinoids’ potential for direct treatment of cancer
July 19, 2018 - Allergic responses may help protect the skin against cancer, research suggests
July 19, 2018 - Inappropriate Prescribing of Abx High in Urgent Care Centers
July 19, 2018 - Many at risk for HIV despite lifesaving pill
July 19, 2018 - Tips for doctors and parents on the harms of marijuana use for teens
July 18, 2018 - Researchers detect presence of IgE antibodies after kidney transplantation
July 18, 2018 - New technique allows researchers to create large scale, personalized bone grafts
July 18, 2018 - Smoking May Boost Atrial Fibrillation Risk
July 18, 2018 - Genome editing method targets AIDS virus
July 18, 2018 - These things matter: Medical complications are not inevitable, a physician writes
July 18, 2018 - Cognitive functions often wilt as water departs the body, shows study
July 18, 2018 - Origins of bread found 14,400 years ago in Jordan
July 18, 2018 - Low-dose ketamine found to be as effective as opioids for treating acute pain
July 18, 2018 - Novel bioengineering technique could help repair bone defects
July 18, 2018 - Researchers identify new potential target protein for colon cancer
July 18, 2018 - Air pollution contributes significantly to diabetes globally
July 18, 2018 - Cell membrane’s importance offers new strategy to fight infections
July 18, 2018 - Researchers identify key protein involved in irregular brain cell activity
July 18, 2018 - 3D modeling of drug resistance could lead to more effective cancer treatment
July 18, 2018 - Hunger hormones could be key to new treatments for drug, alcohol addiction
July 18, 2018 - Nitrate-cured meats may contribute to mania, study finds
July 18, 2018 - Why men may recover more quickly from influenza infections than women
July 18, 2018 - Study finds discharge against medical advice as predictor of readmissions in heart attack patients
July 18, 2018 - KemPharm Announces Top Line Results from KP415.E01 Efficacy and Safety Trial in Children With ADHD
July 18, 2018 - Self-control and obesity: Gender matters in children
July 18, 2018 - Bioengineers, diabetes researchers convene to discuss future concepts for precision medicine
July 18, 2018 - New findings support more conservative use of ED neuroimaging for non-index seizures
July 18, 2018 - Practicing yoga benefits pregnant women, study suggests
July 18, 2018 - New strategy may lead to more accurate breast cancer diagnoses
July 18, 2018 - FDA Approves Symtuza (D/C/F/TAF), the First and Only Complete Darunavir-Based Single-Tablet Regimen for the Treatment of HIV-1 Infection
July 18, 2018 - New guide helps hospitals pick right partner to handle hospitalist services
July 18, 2018 - Deep data dive helps predict cerebral palsy
July 18, 2018 - Stricter firearm legislation associated with reduced murder and suicide rates
July 18, 2018 - Physical and sexual abuse in childhood associated with endometriosis risk
July 18, 2018 - Omega 3 supplements do not reduce risk of heart disease, stroke or death
July 18, 2018 - GSA’s new publication provides support for safe use of OTC analgesics by older adults
July 18, 2018 - Researchers receive grant from U.S. Department of Education to study children with HFASD
July 18, 2018 - Early childhood adversity increases sensitivity of the body’s immune response to cocaine
July 18, 2018 - Parental incarceration affects health behaviors of children in adulthood
July 18, 2018 - Researchers find that yellow fever and Asian tiger mosquitoes can carry new virus
July 18, 2018 - Two Regimens Fail to Stop Declines in β-Cell Function
July 18, 2018 - Researchers apply computing power to track the spread of cancer
July 18, 2018 - Olfactory receptors play pathophysiological role in all organs than merely smell perception
July 18, 2018 - Fish consumption associated with lower risk of early death
July 18, 2018 - MR Solutions’ 7T MRI imaging system installed at University of Hawaii
Scientists discover the genetic cause of immune disorders

Scientists discover the genetic cause of immune disorders

image_pdfDownload PDFimage_print

Scientists from Cincinnati Children’s have successfully identified a gene mutation that affects T cell function and promotes immune disorders.

Credit: sciencepics/Shutterstock.com

The study, which was published in Nature Communications, showed how a mutation in the gene Gimap5, which encodes the GTPase of immunity associated protein 5 (Gimap5), is responsible for the formation and the healthy functioning of CD4+ T helper cells.

CD4+ T cells are the major cell type involved in fighting infection and removing foreign bodies. Gimap5 is a protein responsible for regulating and inhibiting the activity of GSK3, which can cause genetic damage to T cells if unregulated. Damaged T cells cannot function and subsequently undergo cell death (apoptosis).

Immune disorders can be split into autoimmunity and immunodeficiency. Autoimmune disorders are characterized by body’s immune system attacking the cells of the body itself. Immunodeficiency disorders are the opposite.

These are conditions where the immune system is lacking, and therefore cannot protect the body from infection. Abnormal T cells are the reason behind the pathology in most immune disorders.

There are several approved GSK3 inhibitor drugs already available for treating diseases such as Alzheimer’s disease, disorders of the mood and diabetes mellitus.

The team at Cincinnati Children’s used these drugs to inhibit the GSK3 enzyme and improve the function of damaged T cells.

They tested the drugs first on laboratory mice and then on human cells. The human cells were donated by a 16 year old boy who was suffering from lymphoma (a cancer where the individual has an abnormal low white blood cell count).

Our data suggest GSK3 inhibitors will improve T cell survival and function and may prevent or correct immune-related disorders in people with Gimap5 loss-of-function mutations. Therapeutically targeting this pathway may be relevant for treating people with Gimap5 mutations linked to autoimmunity in Type 1 diabetes, systemic lupus erythematosus or asthma.”

Dr Kasper Hoebe, Lead Author from the Hoebe from the Division of Immunobiology, Cincinnati Children’s.

This study was led by Hoebe alongside whom worked his PhD student, Andrew Patterson. They explain that more studies and human clinical trials are necessary before the treatment could be considered safe and effective for immune disorders.

They are now testing the GSK3 inhibitors on laboratory mice with immune diseases such as lupus and allergic lung disease. If the results are encouraging, they will eventually move to clinical trials in humans.

Source:

https://www.eurekalert.org/multimedia/pub/161491.php

Tagged with:

About author

Related Articles