Effects of human urine-derived stem cells on the cementogenic differentiation of indirectly-cocultured periodontal ligament stem cells.

In conclusion, the present results demonstrate that USCs promote the proliferation and osteogenic and cementogenic differentiation of PDLSCs in a ratio-dependent manner through noncontact coculture and further accelerate the regeneration of new structures by osteogenic matrix PDLSC sheets in vivo. These results suggest their use as a new strategy for application in clinical periodontal tissue repair. PMID: 32194889 [PubMed]
Source: American Journal of Translational Research - Category: Research Tags: Am J Transl Res Source Type: research

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CONCLUSION: The future of organ bioengineering relies on furthering understanding of organogenesis, in vivo regeneration, regenerative immunology and long-term monitoring of implanted bioengineered organs. PMID: 32463143 [PubMed - in process]
Source: The British Journal of Surgery - Category: Surgery Authors: Tags: Br J Surg Source Type: research
Abstract The lacrimal glands produce the aqueous component of the pre-ocular tear film, which is essential for ocular health and optimal vision. This review explores its history, current understanding and recent advances, and scope for future research. It traces the evolution of human knowledge about the source of tears across several millennia, with specific emphasis on the individuals who made seminal contributions to this field. It provides a detailed update on the morphology, microscopic structure, innervation, vascular supply, and imaging modalities of both the main and accessory lacrimal glands. The review a...
Source: Current Eye Research - Category: Opthalmology Authors: Tags: Curr Eye Res Source Type: research
Abstract Multiple disease-modifying medications with regulatory approval to treat multiple sclerosis (MS) are unable to prevent inflammatory tissue damage in the central nervous system (CNS), and none directly promote repair. Thus, there is an unmet clinical need for therapies that can arrest and reverse the persistent accumulation of disabilities associated with progressive forms of MS (P-MS). Preclinical research has revealed an unexpected ability of neural stem cell (NSC) therapies to provide neurotrophic support and inhibit detrimental host immune responses in vivo following transplantation into the chronicall...
Source: Trends in Molecular Medicine - Category: Molecular Biology Authors: Tags: Trends Mol Med Source Type: research
This study provides direct evidence for the contribution of gut microbiota to the cognitive decline during normal aging and suggests that restoring microbiota homeostasis in the elderly may improve cognitive function. On Nutraceutical Senolytics https://www.fightaging.org/archives/2020/05/on-nutraceutical-senolytics/ Nutraceuticals are compounds derived from foods, usually plants. In principle one can find useful therapies in the natural world, taking the approach of identifying interesting molecules and refining them to a greater potency than naturally occurs in order to produce a usefully large therape...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
In this study, we found that older nematodes have higher ROS levels. Interestingly, after hydrogen treatment, the ROS levels were significantly decreased, and hydrogen could significantly extend the lifespans of the N2, sod-3 and sod-5 mutant strains, by approximately 22.7%, 9.5%, and 8.7%, respectively. In addition, aging is regulated by a variety of pathways, such as the insulin signaling pathway, the rapamycin target signaling pathway, and the caloric restriction pathway. However, our results showed that the lifespans of the daf-2 and daf-16 strains, in which these pathways are upregulated, were not affected afte...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Authors: Wang XY Abstract At present, SARS-Cov-2 is spread all over the world, becoming a serious threat to people's health. SARS-Cov-2 has a strong infection, and the mortality rate of severe patients after infection is high, but there is no effective treatment. Mesenchymal stem cells (MSCs) have anti-inflammatory and immunomodulatory functions, which can reduce the occurrence of cytokine storm syndrome and acute respiratory distress syndrome. At the same time, MSCs can reduce the level of pulmonary fibrosis and enhance tissue injury repair. In this short report, combined with the progress of preclinical and clini...
Source: European Review for Medical and Pharmacological Sciences - Category: Drugs & Pharmacology Tags: Eur Rev Med Pharmacol Sci Source Type: research
In this study, we investigated whethe r a clonal, conditionally immortalized neural stem cell line (CTX0E03), which has already shown safety and signals of efficacy in chronic ischemic stroke patients, could rescue deficits seen in an animal model of HD. After CTX0E03 transplantation into the quinolinic acid‐lesioned rat model of HD, behavioral changes were measured using the rotarod, stepping, and staircase tests. In vivo differentiation and neuronal connections of the transplanted CTX0E03 cells were evaluated with immunohistochemical staining and retrograde tracing with Fluoro‐Gold. We found that transplantation of C...
Source: Stem Cells - Category: Stem Cells Authors: Tags: REGENERATIVE MEDICINE Source Type: research
The objective is to start treating chronic diseases from the root and not the symptoms of the disease. As we are starting to enroll patients in "senolytics-clinical trials," it will be imperative to assess if senolysis efficiently targets the primary cause of disease or if it works best in combination with other drugs. Additional basic science research is required to address the fundamental role of senescent cells, especially in the established contexts of disease. Notes on Self-Experimentation with Sex Steroid Ablation for Regrowth of the Thymus https://www.fightaging.org/archives/2020/04/notes-on-se...
Source: Fight Aging! - Category: Research Authors: Tags: Newsletters Source Type: blogs
Severe mental illnesses (SMI) such as schizophrenia and bipolar disorder affect 2-4% of the world population. Current medications and diagnostic methods for mental illnesses are not satisfying. In animal studies, stem cell therapy is promising for some neuropsychiatric disorders and cognitive/social deficits, not only treating during development (targeting modulation and balancing) but also following neurodegeneration (cell replacement and regenerating support). We believe that novel interventions such as modulation of particular cell populations to develop cell-based treatment can improve cognitive and social functions in...
Source: Frontiers in Psychiatry - Category: Psychiatry Source Type: research
I periodically publish thoughts on self-experiments that seem interesting and relevant to aging. Despite the influence of the quantified self movement, the broader self-experimentation community is largely terrible on matters of research, rigor, reporting, and safety. My motivation is to something to raise the bar on all of these items. For every discussion I've published on a particular self-experiment, there are half a dozen others sitting at some stage of research and interest. Over the past year or so, I've been on and off looking into sex steroid ablation as a mechanism for thymus regrowth. Since my company, Re...
Source: Fight Aging! - Category: Research Authors: Tags: Self-Experimentation Source Type: blogs
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