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Prophylactic immunization to Helicobacter pylori infection using spore vectored vaccines
CONCLUSIONS: This study demonstrates the utility of bacterial spores for mucosal vaccination to H. pylori infection. The heat stability and robustness of Bacillus spores coupled with their existing use as probiotics make them an attractive solution for either protection against H. pylori infection or potentially for therapy and control of active infection.PMID:37314018 | DOI:10.1111/hel.12997
Source: Cancer Control - June 14, 2023 Category: Cancer & Oncology Authors: Paidamoyo M Katsande Van Duy Nguyen Thi Lan Phuong Nguyen Thi Kim Cuc Nguyen Gabrielle Mills David M D Bailey Graham Christie Huynh Anh Hong Simon M Cutting Source Type: research

Cross-neutralizing protection of vaginal and oral mucosa from HPV challenge by vaccination in a mouse model
Vaccine. 2023 Jun 1:S0264-410X(23)00618-7. doi: 10.1016/j.vaccine.2023.05.057. Online ahead of print.ABSTRACTThe species and tissue specificities of HPV (human papillomavirus) for human infection and disease complicates the process of prophylactic vaccine development in animal models. HPV pseudoviruses (PsV) that carry only a reporter plasmid have been utilized in vivo to demonstrate cell internalization in mouse mucosal epithelium. The current study sought to expand the application of this HPV PsV challenge model with both oral and vaginal inoculation and to demonstrate its utility for testing vaccine-mediated dual-site i...
Source: Vaccine - June 3, 2023 Category: Allergy & Immunology Authors: Chelsea Sanders Rebecca L Matthews Sayyed Hamid Zarkesh Esfahani Nazneen Khan Nimit L Patel Joseph D Kalen Reinhard Kirnbauer Richard B Roden Simone Difilippantonio Ligia A Pinto Robert H Shoemaker Jason D Marshall Source Type: research

Promoting immunity with novel targeting antigen delivery vehicle based on bispecific nanobody
In conclusion, our results demonstrate the potential of bispecific nanobody as a novel and efficient DC-specific antigen delivery vehicle. This highlights the potential to expand targeted delivery to the field of animal epidemic diseases and provides a reference for the general application of nanotechnology in viral diseases.PMID:37116343 | DOI:10.1016/j.intimp.2023.110140
Source: International Immunopharmacology - April 28, 2023 Category: Allergy & Immunology Authors: Haiwei Cheng Li Yang Liting Hou Zizheng Cai Xiaoming Yu Luping Du Jin Chen Qisheng Zheng Source Type: research

Fight Aging! Newsletter, April 24th 2023
In this study, researchers show that mice lacking a functional ATF4 gene show little to no loss of grip strength and treadmill performance into late life; it is quite an impressive effect size. Assessments of muscle biochemistry do show age-related declines, but to a lesser degree than the controls. How ATF4 knockout functions to produce this outcome is an interesting question. The researchers point out a range of possible downstream and upstream targets that have been implicated in the regulation of muscle growth, but it will clearly require further work to identify the important mechanisms involved. Aging slowly...
Source: Fight Aging! - April 23, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, March 20th 2023
This study also provides the potential for de novo generation of complex organs in vivo. T Cells May Play a Role in the Brain Inflammation Characteristic of Neurodegenerative Conditions https://www.fightaging.org/archives/2023/03/t-cells-may-play-a-role-in-the-brain-inflammation-characteristic-of-neurodegenerative-conditions/ Alzheimer's disease, and other forms of neurodegenerative condition, are characterized by chronic inflammation in brain tissue. Unresolved inflammatory signaling is disruptive of tissue structure and function. Here, researchers provide evidence for T cells to become involved in this...
Source: Fight Aging! - March 19, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, January 2nd 2023
In conclusion, circulating monocytes in older adults exhibit increased expression of activation, adhesion, and migration markers, but decreased expression of co-inhibitory molecules. MERTK Inhibition Increases Bone Density via Increased Osteoblast Activity https://www.fightaging.org/archives/2022/12/mertk-inhibition-increases-bone-density-via-increased-osteoblast-activity/ Bone density results from the balance of constant activity on the part of osteoblasts and osteoclasts, the former building bone, the latter breaking it down. With advancing age, the balance of activity shifts to favor osteoclasts, prod...
Source: Fight Aging! - January 1, 2023 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, September 26th 2022
This study examined the dose-response association between daily step count and intensity and incidence of all-cause dementia among adults in the UK. This was a UK Biobank prospective population-based cohort study (February 2013 to December 2015) with 6.9 years of follow-up (data analysis conducted May 2022). A total of 78,430 of 103,684 eligible adults aged 40 to 79 years with valid wrist accelerometer data were included. Registry-based dementia was ascertained through October 2021. We found no minimal threshold for the beneficial association of step counts with incident dementia. Our findings suggest that approxima...
Source: Fight Aging! - September 25, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

The Macro View – Health, Economics, and Politics and the Big Picture. What I Am Watching Here And Abroad.
August 04, 2022 Edition-----The war seems to grind on sadly and Pres. Biden is having a second round with COVID as unprecedented weather happens all over the US. It all feels rather like ‘the end of days’!In the UK we see an increasing chance of a third female PM being elected as the country seems to be struggling. We do need to remember however the UK remains a significant power with nuclear weapons and home-grown nuclear submarines!In OZ we have had last week working out how to progress the First Nations ‘Voice’ as we wrap up the 1st session of Parliament for the new Government. Comments welcome on how you think ...
Source: Australian Health Information Technology - August 4, 2022 Category: Information Technology Authors: Dr David G More MB PhD Source Type: blogs

Fight Aging! Newsletter, May 23rd 2022
In conclusion, remofuscin activates the lysosome-to-nucleus pathway in C. elegans, thereby increasing the expression levels of xenobiotic detoxification genes resulted in extending their lifespan. Naked Mole-Rat Skin Shows Fewer Signs of Aging https://www.fightaging.org/archives/2022/05/naked-mole-rat-skin-shows-fewer-signs-of-aging/ Naked mole-rats exhibit a maximum life span that is many times longer than is the case for similarly sized mammals. Further, they are negligibly senescent, showing few age-related declines in function across much of that lengthy life span. That includes maintenance of stem c...
Source: Fight Aging! - May 22, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, January 3rd 2022
In this study, we showed that the iPaD (inducing Plagl2 and anti-Dyrk1a) lentivirus substantially rejuvenated the proliferative and neurogenic potential of NSCs in the aged brain. Clonal analysis by a sparse labeling approach as well as transcriptome analysis indicated that iPaD can rejuvenate aged NSCs (19-21 mo of age) to a level comparable with those at 1 or 2 months of age and successfully improved cognition of aged mice. Once rejuvenated and activated by iPaD, aged dormant NSCs can generate, on average, 4.9 neurons but very few astrocytes in 3-week tracing. Furthermore, these activated NSCs were maintained for ...
Source: Fight Aging! - January 2, 2022 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

A Look Back at 2021: Progress Towards the Treatment of Aging as a Medical Condition
Well, here we are again, at the end of another pandemic year, a year older and - hopefully - a year wiser and more knowledgeable. I said all that really needs to be said on the topic of COVID-19 as an age-related condition at the end of last year. We might hope that, given widespread vaccination, the pandemic will become a topic of diminishing importance as the year ahead progresses, even given the present round of variants, fears, and reintroduction of restrictions. Advocacy for Aging Research Have we finally made significant progress in convincing the world that aging is the cause of age-related disease, th...
Source: Fight Aging! - December 31, 2021 Category: Research Authors: Reason Tags: Of Interest Source Type: blogs

Fight Aging! Newsletter, October 4th 2021
In conclusion, premature thymic involution and chronic inflammation greatly contribute to increased morbidity and mortality in CKD patients. Mechanisms are likely to be multiple and interlinked. Even when the quest to fountain of youth is a pipe dream, there are many scientific opportunities to prevent or to, at least in part, reverse CKD-related immune senescence. Further studies should precisely define most important pathways driving premature immune ageing in CKD patients and best therapeutic options to control them. Extending Life Without Extending Health: Vast Effort Directed to the Wrong Goals https://www...
Source: Fight Aging! - October 3, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, June 14th 2021
In conclusion, a number of high-income countries, changes in health expectancies over time have not kept pace with the growth in life expectancy. That is, people are living longer but disability and poor health are occupying an increasing proportion of later life. Our findings suggest that countries still need to make significant progress to achieve the WHO's Decade of Healthy Ageing goal of healthier, longer lives for all. Progress on Understanding Why Human Growth Hormone Receptor Variants are Associated with Greater Longevity https://www.fightaging.org/archives/2021/06/progress-on-understanding-why-human-gro...
Source: Fight Aging! - June 13, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, May 10th 2021
This study suggests that some of those changes contribute to age-related hypertension, providing yet another reason to put resources into the near term development of therapies that can reverse the aging of the gut microbiome, such as flagellin vaccination or fecal microbiota transplantation. "Previous studies from our lab have shown that the composition of the gut microbiota in animal models of hypertension, such as the SHRSP (spontaneously hypertensive stroke-prone) rat model, is different from that in animals with normal blood pressure. Further, transplanting dysbiotic gut microbiota from a hypertensive animal ...
Source: Fight Aging! - May 9, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

Fight Aging! Newsletter, January 4th 2021
The objective of this study is to quantify the overall and cancer type-specific risks of subsequent primary cancers (SPCs) among adult-onset cancer survivors by first primary cancer (FPC) types and sex. Among 1,537,101 survivors (mean age, 60.4 years; 48.8% women), 156,442 SPC cases and 88,818 SPC deaths occurred during 11,197,890 person-years of follow-up (mean, 7.3 years). Among men, the overall risk of developing any SPCs was statistically significantly higher for 18 of the 30 FPC types, and risk of dying from any SPCs was statistically significantly higher for 27 of 30 FPC types as compared with risks in the general po...
Source: Fight Aging! - January 3, 2021 Category: Research Authors: Reason Tags: Newsletters Source Type: blogs

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