Human stem cells converted to functional lung cells

(Columbia University Medical Center) For the first time, scientists have succeeded in transforming human stem cells into functional lung and airway cells. The advance, reported by Columbia University Medical Center researchers, has significant potential for modeling lung disease, screening drugs, studying human lung development, and, ultimately, generating lung tissue for transplantation. The study was published today in the journal Nature Biotechnology.
Source: EurekAlert! - Medicine and Health - Category: Global & Universal Source Type: news

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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 OBJECTIVE: The aim of this study was to identify risk factors for the development of severe dry eye syndrome (DES) in patients with ocular graft-versus-host disease (oGVHD). DESIGN: Retrospective Chart Review. PARTICIPANTS: Patients undergoing allogeneic hematopoietic stem cell transplantation at the British Columbia Cancer Agency between 2011 and 2013. METHODS: A retrospective chart review of post-transplant patients with oGVHD DES followed at the British Columbia Cancer Agency Bone Marrow Transplant Unit was performed. Patient and donor data were collected. Descriptive and inferential sta...
Source: Canadian Journal of Ophthalmology - Category: Opthalmology Authors: Tags: Can J Ophthalmol 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
Abstract INTRODUCTION: A pandemic coronavirus, SARS-CoV-2, causes COVID-19, a potentially life-threatening respiratory disease. Patients with cancer may have compromised immunity due to their malignancy and/or treatment, and may be at elevated risk of severe COVID-19. Community transmission of COVID-19 could overwhelm health care services, compromising delivery of cancer care. This interim consensus guidance provides advice for clinicians managing patients with cancer during the pandemic. MAIN RECOMMENDATIONS: During the COVID-19 pandemic: In patients with cancer with fever and/or respiratory symptoms, consid...
Source: Med J Aust - Category: General Medicine Authors: Tags: Med J Aust Source Type: research
CONCLUSION: Poor sleep quality was found to be common among patients on the lung transplantation waitlist in Japan. The two most significant factors responsible for impaired sleep quality were anxiety and respiratory symptoms. Additional care should be taken to ensuring a better quality of sleep for such patients. PMID: 32399697 [PubMed - as supplied by publisher]
Source: Sleep and Breathing - Category: Sleep Medicine Authors: Tags: Sleep Breath Source Type: research
ConclusionPoor sleep quality was found to be common among patients on the lung transplantation waitlist in Japan. The two most significant factors responsible for impaired sleep quality were anxiety and respiratory symptoms. Additional care should be taken to ensuring a better quality of sleep for such patients.
Source: Sleep and Breathing - Category: Respiratory Medicine Source Type: research
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
Opportunistic infections are a major cause of morbidity and mortality in severely immunocompromised patients, such as those given chemotherapy or biological therapies, and those with haematological malignancy, aplastic anaemia or HIV infection, or recipients of solid organ or stem cell transplants. The type and degree of immune defect dictates the profile of potential opportunistic pathogens; T-cell-mediated defects increase the risk of viral (cytomegalovirus, respiratory viruses) and Pneumocystis jirovecii infections, whereas neutrophil defects are associated with bacterial pneumonia and invasive aspergillosis.
Source: Medicine - Category: Internal Medicine Authors: Tags: Infection Source Type: research
AbstractLung transplantation is currently the only curative treatment for patients with end-stage lung disease; however, donor organ shortage and the need for intense immunosuppression limit its broad clinical application. Bioartificial lungs created by combining native matrix scaffolds with patient-derived cells might overcome these problems. Decellularization involves stripping away cells while leaving behind the extracellular matrix scaffold. Cadaveric lungs are decellularized by detergent perfusion, and histologic examination confirms the absence of cellular components but the preservation of matrix proteins. The resul...
Source: Surgery Today - Category: Surgery 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
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