Making a Mouse that Exhibits Human Telomere Dynamics
Telomerase acts to extend telomeres, the repeated DNA sequences at the ends of chromosomes. With every cell division, some of the telomere repeats are lost. Cells with critically short telomeres become senescent or undergo programmed cell death, having reached the Hayflick limit on replication. Some cells employ telomerase to adjust the countdown of telomere length. In humans, only stem cells use telomerase. In other species, such as mice, telomerase is much more widely expressed. There has been some interest in the research community in upregulation of telomerase as a way to improve stem cell and tissue function in old ag...
Source: Fight Aging! - February 2, 2024 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Funny How Your Past Can Come Back All In A Rush! A Good Reminder Of Times Past.
I noticed this a day or so ago.
Colorful Mystery Solved: Scientists Discover Enzyme That Makes Urine
Yellow
Finding
Could Illuminate Future Studies of Gut Health and Inflammatory Bowel Disease
Researchers
at the University of Maryland and National Institutes of Health have identified
the enzyme responsible for giving urine a yellow hue, and it ’s more than a
matter of idle curiosity or (Source: Australian Health Information Technology)
Source: Australian Health Information Technology - January 10, 2024 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs
Fight Aging! Newsletter, October 16th 2023
In conclusion, a number of studies have shown that CD4+ Treg cells are crucial in the maintenance of peripheral tolerance and have an important role in the control of atherosclerosis-related inflammation. Therefore, Treg cells are a promising target of major research efforts focused on immune-modulating therapies against atherosclerosis. Developing anti-atherosclerotic Treg-based therapies faces challenges. However, rapid progress in genetic, epigenetic, and molecular aspects of cellular immunology gives hope for a fast-track solution.
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Delivering Senolytic Nanoparticles to Atheroscle...
Source: Fight Aging! - October 15, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Towards More Selective Ways to Block Unwanted Inflammation
Control of chronic inflammation may turn out to be one of the more important themes in the treatment of aging as a medical condition. Senescent cells generate inflammatory signaling, but removing that contribution is likely the easiest aspect of the problem. Many forms of age-related cellular damage and dysfunction generate constant, unwanted, excess inflammation through interactions and signals that are used during a normal, desirable inflammatory reaction, such as to injury or infection. Thus interfering in these mechanisms must be very selective; simply blockading a given signal has undesirable side-effects, such as a w...
Source: Fight Aging! - October 13, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Fight Aging! Newsletter, September 25th 2023
In conclusion, this individual patient data meta-analysis of longitudinal cohort studies found that antihypertensive use was associated with decreased dementia risk compared with individuals with untreated hypertension through all ages in late life. Individuals with treated hypertension had no increased risk of dementia compared with healthy controls.
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Results from Human Clinical Trials Do Not Support Metformin as a Longevity Drug
https://www.fightaging.org/archives/2023/09/results-from-human-clinical-trials-do-not-support-metformin-as-a-longevity-drug/
The SENS Research Fou...
Source: Fight Aging! - September 24, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Different Invasive Bacterial Species are Found in Alzheimer's Brains versus Normal Brains
Research into the effects of the human microbiome on health and aging has progressed quite rapidly in recent years. It now costs little to sequence a sample to determine the which bacterial species are present and in what proportions. With age, the intestinal barrier, blood vessels, and blood-brain barrier begin to leak, allowing greater passage of microbes into the body. Additionally, the immune system declines in function, reducing the ability to clear these microbes from tissues.
In the case of patients with Alzheimer's disease, researchers are finding that the gut microbiome exhibits characteristic differences w...
Source: Fight Aging! - September 20, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
The Times They Are A-Changing … .Fast
By KIM BELLARD
If you have been following my Twitter – oops, I mean “X” – feed lately, you may have noticed that I’ve been emphasizing The Coming Wave, the new book from Mustafa Suleyman (with Michael Bhaskar). If you have not yet read it, or at least ordered it, I urge you to do so, because, frankly, our lives are not going to be the same, at all. And we’re woefully unprepared.
One thing I especially appreciated is that, although he made his reputation in artificial intelligence, Mr. Suleyman doesn’t only focus on AI. He also discusses synthetic biology, quantum computing, robotics, and new energ...
Source: The Health Care Blog - September 14, 2023 Category: Consumer Health News Authors: matthew holt Tags: Health Tech AI Kim Bellard quantum computing Smart Pills synthetic biology The Coming Wave Source Type: blogs
Fight Aging! Newsletter, September 11th 2023
This article reviews the current regulatory role of miR-7 in inflammation and related diseases, including viral infection, autoimmune hepatitis, inflammatory bowel disease, and encephalitis. It expounds on the molecular mechanism by which miR-7 regulates the occurrence of inflammatory diseases. Finally, the existing problems and future development directions of miR-7-based intervention on inflammation and related diseases are discussed to provide new references and help strengthen the understanding of the pathogenesis of inflammation and related diseases, as well as the development of new strategies for clinical interventi...
Source: Fight Aging! - September 10, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Towards an Improved Suppression of Maladaptive Inflammation
This article reviews the current regulatory role of miR-7 in inflammation and related diseases, including viral infection, autoimmune hepatitis, inflammatory bowel disease, and encephalitis. It expounds on the molecular mechanism by which miR-7 regulates the occurrence of inflammatory diseases. Finally, the existing problems and future development directions of miR-7-based intervention on inflammation and related diseases are discussed to provide new references and help strengthen the understanding of the pathogenesis of inflammation and related diseases, as well as the development of new strategies for clinical interventi...
Source: Fight Aging! - September 7, 2023 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs
Trial By Error: Just the Latest Gibberish from Professor Chalder
By David Tuller, DrPH I’ve said it before and will undoubtedly say it again. Trudie Chalder, King’s College London’s mathematically and factually challenged professor of cognitive behavior therapy (CBT), is a one-trick pony. She writes what is essentially the same bad paper based on the same unfounded assumptions over and over again. Her apparent professional … Trial By Error: Just the Latest Gibberish from Professor Chalder Read More » (Source: virology blog)
Source: virology blog - September 4, 2023 Category: Virology Authors: David Tuller Tags: Uncategorized CBT chalder inflammatory bowel disease Source Type: blogs
Career Conversations: Q & A With Physiologist Elimelda Moige Ongeri
Credit: Courtesy of Dr. Elimelda Moige Ongeri.
A career path in science is rarely clear cut and linear, which Elimelda Moige Ongeri, Ph.D., can attest adds to its excitement. She went from working in animal reproductive biology to studying proteins involved in inflammation and tissue injury. Dr. Ongeri is also currently dean of the Hairston College of Health and Human Sciences and professor of physiology at North Carolina Agricultural and Technical State University (NC A&T) in Greensboro. In this interview, she shares details of her career, including a change in research focus to human physiology; her goals for the f...
Source: Biomedical Beat Blog - National Institute of General Medical Sciences - June 14, 2023 Category: Research Authors: Chrissa Chverchko Tags: Being a Scientist Profiles Proteins Source Type: blogs
Fight Aging! Newsletter, June 12th 2023
In this study, we investigated the effect of NXP032 on neurovascular stabilization through the changes of PECAM-1, PDGFR-β, ZO-1, laminin, and glial cells involved in maintaining the integrity of the blood-brain barrier (BBB) in aged mice. NXP032 was orally administered daily for 8 weeks. Compared to young mice and NXP032-treated mice, 20-month-old mice displayed cognitive impairments in Y-maze and passive avoidance tests. NXP032 treatment contributed to reducing the BBB damage by attenuating the fragmentation of microvessels and reducing PDGFR-β, ZO-1, and laminin expression, thereby mitigating astrocytes and microglia ...
Source: Fight Aging! - June 11, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs
Reviewing a Role for the Gut Microbiome in Degenerative Aging
There is a growing interest in the manipulation of the gut microbiome. Changes in the balance of microbial populations occur with age, leading to an increase in harmful, inflammatory species at the expense of species that produce beneficial metabolites. Animal studies have demonstrated that even radical changes in the microbiome from a one-time procedure, such as that produced by fecal microbiota transplant from a young individual, can be sustained over time, rejuvenating the balance of microbial populations and improving health as a result. As yet there seems to be little enthusiasm or funding to run clinical trials in ol...
Source: Fight Aging! - June 6, 2023 Category: Research Authors: Reason Tags: Daily News Source Type: blogs
Humira Biosimilar Gross-to-Net Pricing Bubble Was Preceded by the Same Pricing Bubble Burst for Insulin Just Months Ago
Today ' s post is not about diabetes per se, although there IS a diabetes connection. But this morning, the big news was that a biosimilar of Abbvie ' s blockbuster anti-inflammatory biologic Humira will be sold byMark Cuban Cost Plus Drug Company (see the press release athttps://www.globenewswire.com/news-release/2023/06/01/2680351/33333/en/Mark-Cuban-Cost-Plus-Drug-Company-joins-forces-with-Coherus-to-make-YUSIMRY-a-HUMIRA-biosimilar-available-to-patients.html for more) at what amounts to an 85% discount to the innovator drug. Mark Cuban Cost Plus Drug Company announced the Humira biosimilar on social media today. See th...
Source: Scott's Web Log - June 1, 2023 Category: Endocrinology Tags: 2023 Abbvie Biosimilar drug discounts gross-to-net bubble Humira insulin Source Type: blogs
Smart Sutures Sense Inflammation, Deliver Drugs, Cells
Researchers at MIT have developed smart sutures with a hydrogel coating that contains sensing and drug delivery components, and could even be used to implant therapeutic cells. The sutures are made using pig tissues that have been decellularized with detergents to reduce the possibility that they could provoke an immune reaction. The surrounding hydrogel layer contains microparticles that can release peptides when enzymes involved in inflammation are present, and other microparticles that allow for controlled release of drugs. Another potential cargo is therapeutic stem cells that can assist with tissue repair. So far, the...
Source: Medgadget - May 30, 2023 Category: Medical Devices Authors: Conn Hastings Tags: GI Materials Medicine Surgery mit sutures Source Type: blogs
