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3D Bioprinted Breast Tumors for Immunotherapy Testing
A team of scientists at Penn State has bioprinted breast tumor mimics with significant complexity, including a form of vascularization and the ability to precisely place cells in certain locations within the construct. The scientists used a technique...
Source: Medgadget - October 27, 2022 Category: Medical Devices Authors: Conn Hastings Tags: Materials Medicine Oncology Source Type: blogs

Fight Aging! Newsletter, October 24th 2022
This study shows the uncoupling of lifespan and healthspan parameters (aerobic fitness and spontaneous activity) and provides new insights into SIRT3 function in CR adaptation, fuel utilization, and aging. HDL Level, Age, and Smoking are the Largest Determinants of Mortality Risk in Old People https://www.fightaging.org/archives/2022/10/hdl-level-age-and-smoking-are-the-largest-determinants-of-mortality-risk-in-old-people/ An interesting epidemiological study here stratifies the contributions of various metrics to mortality in later life, age 70 and older. The authors find that the largest effects arise ...
Source: Fight Aging! - October 23, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

There is Such a Thing as Too Much of a Focus on Low-Hanging Fruit in the Longevity Industry
The longevity industry includes a few companies that will genuinely revolutionize the medical industry, such as Maia Biotechnology, the first deployment of a near-universal cancer therapy based on targeting telomerase activity. For every such gem there are, unfortunately, a half dozen companies that are marketing dietary supplements and the like that will do just about nothing to change the human condition. It is a great deal easier to market a supplement than it is to revolutionize the medical industry by developing a completely new biotechnology, and this truth has a significant impact on the funding available to a compa...
Source: Fight Aging! - October 21, 2022 Category: Research Authors: Reason Tags: Healthy Life Extension Community Source Type: blogs

Notes from the Rejuvenation Startup Summit, Held in Berlin in October 2022
We presented recent results showing reversal of liver inflammation and fibrosis in NASH model mice, and noted that we're raising funds to start our clinical development program leading to human trials. Therapies to reverse atherosclerosis progression will follow shortly on the heels of this work on NASH. Robin Mansukhani of Deciduous Therapeutics discussed their approach to immune system modulation via small molecules, training invariant natural killer cells to attack senescent cells. The point was made that engaging the immune system may be a way to work around many of the present unknowns regarding senescent cell ...
Source: Fight Aging! - October 19, 2022 Category: Research Authors: Reason Tags: Healthy Life Extension Community Source Type: blogs

About That Cancer Moonshot
BY KIM BELLARD Joe Biden hates cancer.  He led the Cancer Moonshot in the Obama Administration, and, as President, he reignited it, vowing to cut death rates in half over the next 25 years.  Last month, on the 60th anniversary of President Kennedy’s historic call for an actual moonshot, he vowed “to end cancer as we know it. And even cure cancers once and for all.” But, as several recent studies show, cancer is still surprising us.   ————— Our body has its own defenses against cancer, such as T-cells, and great strides have been made in cancer therapies, including ...
Source: The Health Care Blog - October 6, 2022 Category: Consumer Health News Authors: Ryan Bose-Roy Tags: Health Policy Research Cancer Cancer Progression Fungi John F. Kennedy Moonshot Source Type: blogs

About that Cancer Moonshot
By KIM BELLARD Joe Biden hates cancer.  He led the Cancer Moonshot in the Obama Administration, and, as President, he reignited it, vowing to cut death rates in half over the next 25 years.  Last month, on the 60th anniversary of President Kennedy’s historic call for an actual moonshot, he vowed “to end cancer as we know it. And even cure cancers once and for all.” But, as several recent studies show, cancer is still surprising us.  ————— Our body has its own defenses against cancer, such as T-cells, and great strides have been made in cancer therapies, includi...
Source: The Health Care Blog - October 6, 2022 Category: Consumer Health News Authors: matthew holt Tags: Health Policy Public Health Biden Cancer Cancer Moonshot Source Type: blogs

Fight Aging! Newsletter, September 19th 2022
Conclusion Use of the Khavinson peptides and melatonin in combination in this way, at this dose, negatively impacts the thymus, producing a reduction in active tissue and increase in atrophy to fatty tissue. The degree to which this atrophy occurred is greater than one would expect to take place over nine months of aging at this stage of life. Why did this outcome occur, given the animal studies showing thymic regrowth, and the studies showing reduced later life mortality following use of thymogen? We can only speculate. Firstly, the dose makes the poison, and the dosing here may have been too high, too frequ...
Source: Fight Aging! - September 18, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

The One-Two Punch of Cancer Therapies Plus Senolytics
There is considerable enthusiasm in the cancer research community regarding the prospects for improved patient outcomes via the use of senolytics to clear senescent cells from tissues. It seems fairly clear that an increased burden of senescent cells results from the use of traditional cancer therapies, chemotherapy and radiotherapy, and that this is most likely the cause of a large fraction of the greater risk of age-related disease and shorter remaining life expectancy in cancer survivors. Undergoing those forms of cancer therapy is literally a matter of signing up for accelerated aging - and still the preferable alterna...
Source: Fight Aging! - September 15, 2022 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Fight Aging! Newsletter, September 12th 2022
Discussion of Present Drug Development to Target Senescent Cells Targeting Senescent Cells to Better Address Cancer and Consequences of Cancer Therapy Calorie Restriction Suppresses Generation of Immune Cells via Changes to the Gut Microbiome Arguing for an Expansion of the Hallmarks of Aging https://www.fightaging.org/archives/2022/09/arguing-for-an-expansion-of-the-hallmarks-of-aging/ The hallmarks of aging form a catalog of largely better studied changes in cells and tissues considered relevant, and possibly more important, in the onset and development of age-related degeneration and disease. This i...
Source: Fight Aging! - September 11, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Calorie Restriction Suppresses Generation of Immune Cells via Changes to the Gut Microbiome
An interesting set of connections are made in this paper, in which researchers show that favorable changes to the gut microbiome produced by the practice of calorie restriction lead to greater butyrate production, generally thought to be a positive change, as butyrate can improve neurogenesis, among other beneficial effects. However butyrate supplementation also suppresses the generation of new immune cells, an outcome also known to be a feature of calorie restriction and fasting. Whether this suppression is outright harmful is an open question; certainly fasting has been shown to help clear damaged immune cells following ...
Source: Fight Aging! - September 9, 2022 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Targeting Senescent Cells to Better Address Cancer and Consequences of Cancer Therapy
The goal of cancer therapies is to kill cancerous cells or force those cells into the state of senescence, to shut down their uncontrolled replication. Chemotherapy and radiotherapy do harm non-cancerous cells as well, however, and can create further senescent cells in this way. It is thought that a substantial fraction of the increased mortality and risk of age-related disease seen in cancer survivors is due to the increased burden of senescent cells produced by the treatment of cancer. That is obviously preferential to death by cancer, but it is a concern, with a significant negative impact to remaining life expectancy. ...
Source: Fight Aging! - September 9, 2022 Category: Research Authors: Reason Tags: Daily News Source Type: blogs

Fight Aging! Newsletter, July 18th 2022
In conclusion, we show that PVS morphology in mice is variable and that the structure and function of pia suggests a previously unrecognized role in regulating CSF transport and amyloid clearance in aging and disease. Reversing Ovarian Fibrosis in Mice https://www.fightaging.org/archives/2022/07/reversing-ovarian-fibrosis-in-mice/ Researchers here provide evidence for ovarian fibrosis to be an important mechanism in limiting the age at which female mammals can remain fertile. Interestingly, existing antifibrotic drugs can produce some reversal of this fibrosis, enough to restore ovulation in mice. Fibros...
Source: Fight Aging! - July 17, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Discussing the Accelerated Aging of Cancer Survivors
It is well known that cancer survivors who underwent chemotherapy or radiotherapy exhibit a shorter life expectancy, greater chance of unrelated cancer incidence, and greater risk of age-related disease. The most reasonable hypothesis at present is that these undesirable outcomes are the result of an increased burden of senescent cells. Historically, cancer treatments have been in large part designed to force cancerous cells into senescence, those that are not killed outright by the therapy. Since these cancer therapies are toxic to cells, they also tend to cause off-target cell death and senescence. It is possible that si...
Source: Fight Aging! - July 12, 2022 Category: Research Authors: Reason Tags: Medicine, Biotech, Research Source Type: blogs

Fight Aging! Newsletter, July 11th 2022
In this study we employ a transcriptome-wide and multi-tissue approach to analyze the influence of both LTDR and short-term DR (STDR) at old age on the aging phenotype. We were able to characterize a common transcriptional gene network driving inflammaging in most of the analyzed tissues. This network is characterized by chromatin opening and upregulation in the transcription of innate immune system receptors and by activation of interferon signaling through interferon regulatory factors, inflammatory cytokines, and Stat1-mediated transcription. We also found that both DR interventions ameliorate this inflammaging phenotyp...
Source: Fight Aging! - July 10, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Cancer Survivors Exhibit a Significantly Higher Risk of Cardiovascular Disease
The dominant cancer therapies of chemotherapy and radiotherapy have not yet been replaced by immunotherapies for more than a handful of cancer types. These classes of therapy produce a significantly increased burden of senescent cells in patients; one of the goals of cancer therapy is to drive cancerous cells into senescence, those that cannot be killed. These additional senescent cells in turn accelerate the progression of degenerative aging. The advent of senolytic therapies to clear senescent cells from aged tissues will make a sizable difference to these patients. More effort should be undertaken today to enable patien...
Source: Fight Aging! - July 4, 2022 Category: Research Authors: Reason Tags: Daily News Source Type: blogs