scholarly journals Human Microbiome and Its Medical Applications

2022 ◽  
Vol 8 ◽  
Author(s):  
Yangming Zhang ◽  
Linguang Zhou ◽  
Jialin Xia ◽  
Ce Dong ◽  
Xiaozhou Luo

The commensal microbiome is essential for human health and is involved in many processes in the human body, such as the metabolism process and immune system activation. Emerging evidence implies that specific changes in the microbiome participate in the development of various diseases, including diabetes, liver diseases, tumors, and pathogen infections. Thus, intervention on the microbiome is becoming a novel and effective method to treat such diseases. Synthetic biology empowers researchers to create strains with unique and complex functions, making the use of engineered microbes for clinical applications attainable. The aim of this review is to summarize recent advances about the roles of the microbiome in certain diseases and the underlying mechanisms, as well as the use of engineered microbes in the prevention, detection, and treatment of various diseases.

Author(s):  
Till S. Zimmer ◽  
Diede W.M. Broekaart ◽  
Mark Luinenburg ◽  
Caroline Mijnsbergen ◽  
Jasper J. Anink ◽  
...  

2014 ◽  
Vol 2014 ◽  
pp. 1-17 ◽  
Author(s):  
Yubo Sun ◽  
David R. Mauerhan ◽  
Nury M. Steuerwald ◽  
Jane Ingram ◽  
Jeffrey S. Kneisl ◽  
...  

Phosphocitrate (PC) inhibited calcium crystal-associated osteoarthritis (OA) in Hartley guinea pigs. However, the molecular mechanisms remain elusive. This study sought to determine PC targeted genes and the expression of select PC targeted genes in OA menisci to test hypothesis that PC exerts its disease modifying activity in part by reversing abnormal expressions of genes involved in OA. We found that PC downregulated the expression of numerous genes classified in immune response, inflammatory response, and angiogenesis, including chemokine (C-C motif) ligand 5, Fc fragment of IgG, low affinity IIIb receptor (FCGR3B), and leukocyte immunoglobulin-like receptor, subfamily B member 3 (LILRB3). In contrast, PC upregulated the expression of many genes classified in skeletal development, including collagen type II alpha1, fibroblast growth factor receptor 3 (FGFR3), and SRY- (sex determining region Y-) box 9 (SOX-9). Immunohistochemical examinations revealed higher levels of FCGR3B and LILRB3 and lower level of SOX-9 in OA menisci. These findings indicate that OA is a disease associated with immune system activation and decreased expression of SOX-9 gene in OA menisci. PC exerts its disease modifying activity on OA, at least in part, by targeting immune system activation and the production of extracellular matrix and selecting chondroprotective proteins.


2006 ◽  
Vol 55 (12) ◽  
pp. 1504-1514 ◽  
Author(s):  
Dhanalakshmi Chinnasamy ◽  
Matt Tector ◽  
Nachimuthu Chinnasamy ◽  
Kate Dennert ◽  
Karen M. Kozinski ◽  
...  

2018 ◽  
Vol 114 (3) ◽  
pp. 456-467 ◽  
Author(s):  
Marialuisa Perrotta ◽  
Andrea Lori ◽  
Lorenzo Carnevale ◽  
Stefania Fardella ◽  
Giuseppe Cifelli ◽  
...  

Hypertension ◽  
2016 ◽  
Vol 68 (suppl_1) ◽  
Author(s):  
Sterling C Kneedler ◽  
Lauren Phillips ◽  
Kayla R Hudson ◽  
Katharine M Beckman ◽  
Alan R Parrish ◽  
...  

Hypertension is associated with immune system activation and inflammation. Renal infiltration of both innate and adaptive immune cells contributes to injury, dysfunction, and increased blood pressure. Activated immune cells that exit blood vessels into the interstitium then travel through lymphatic vessels to draining lymph nodes where they signal to other immune cells to increase the immune response. It is unknown how renal lymphatic vessels change in the context of hypertension, immune system activation, inflammation, and injury. We hypothesized that renal macrophage infiltration, inflammation, and injury would significantly increase lymphangiogenesis in various strains of rats. SHR rats that exhibit hypertension and renal injury (SHR-A3 strain) had significantly increased numbers of renal lymphatic vessels at 40 weeks of age compared to WKY controls (total of 3 fields of view: 52 ± 1 vs. 28 ± 1; p<0.05). This was associated with increased renal macrophage infiltration. SHR rats that exhibit hypertension but minimal renal injury (SHR-B2 strain) had significantly less renal lymphatic vessel numbers compared to WKY controls (25 ± 2 vs. 28 ± 1; p<0.05) and normal levels of macrophages. The signals for lymphangiogenesis, VEGF-C and its receptor VEGF-R3, were both increased significantly at the protein level in the kidneys of SHR-A3 rats at 18 weeks but not different in the kidneys of SHR-B2 rats compared to WKY controls. To test whether the increased lymphangiogensis is due to hypertension and/or renal inflammation and injury, we obtained kidneys from Fischer 344 rats that exhibit normal blood pressure but develop renal inflammation and injury as they age. Compared to kidneys from control 4-month old Fischer rats, kidneys from 20-month and 24-month old Fischer rats had significantly increased numbers of lymphatic vessels (32 ± 3 vs. 74 ± 1 vs. 110 ± 6, respectively; p<0.05) and this was also associated with increased macrophage infiltration. Protein levels of VEGF-C and VEGF-R3 were increased significantly in 20-month old Fischer rats compared to 4-month old controls. These data together demonstrate that renal immune cell infiltration, inflammation, and injury increases lymphangiogenesis.


2019 ◽  
Vol 128 ◽  
pp. e966-e969
Author(s):  
Skylar Trott ◽  
Olga Vsevolozhskaya ◽  
Keith Pennypacker ◽  
Abdulnasser Alhajeri ◽  
Justin F. Fraser

2015 ◽  
pp. 71-85
Author(s):  
María Isabel Cuartero ◽  
Ignacio Lizasoain ◽  
María Ángeles Moro ◽  
Ivan Ballesteros

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