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- Mishra, A, et al.
(author)
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Diminishing benefits of urban living for children and adolescents' growth and development
- 2023
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In: Nature. - : Springer Science and Business Media LLC. - 1476-4687 .- 0028-0836. ; 615:7954, s. 874-883
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Journal article (peer-reviewed)abstract
- Optimal growth and development in childhood and adolescence is crucial for lifelong health and well-being1–6. Here we used data from 2,325 population-based studies, with measurements of height and weight from 71 million participants, to report the height and body-mass index (BMI) of children and adolescents aged 5–19 years on the basis of rural and urban place of residence in 200 countries and territories from 1990 to 2020. In 1990, children and adolescents residing in cities were taller than their rural counterparts in all but a few high-income countries. By 2020, the urban height advantage became smaller in most countries, and in many high-income western countries it reversed into a small urban-based disadvantage. The exception was for boys in most countries in sub-Saharan Africa and in some countries in Oceania, south Asia and the region of central Asia, Middle East and north Africa. In these countries, successive cohorts of boys from rural places either did not gain height or possibly became shorter, and hence fell further behind their urban peers. The difference between the age-standardized mean BMI of children in urban and rural areas was <1.1 kg m–2 in the vast majority of countries. Within this small range, BMI increased slightly more in cities than in rural areas, except in south Asia, sub-Saharan Africa and some countries in central and eastern Europe. Our results show that in much of the world, the growth and developmental advantages of living in cities have diminished in the twenty-first century, whereas in much of sub-Saharan Africa they have amplified.
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- Aad, G, et al.
(author)
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- 2015
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- Jiang, J T, et al.
(author)
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Treatment of advanced gastric cancer by chemotherapy combined with autologous cytokine-induced killer cells
- 2006
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In: Anticancer research. - 1791-7530. ; 26:3B, s. 2237-2242
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Journal article (peer-reviewed)abstract
- The effects of autologous cytokine-induced killer (CIK) (CD3(+)CD56(+)) cells together with chemotherapy were investigated in patients who suffered from advanced gastric cancers (stage IV). Fifty-seven patients were divided into two groups: chemotherapy plus CIK biotherapy and chemotherapy alone. CIK cells were induced from autologous peripheral blood mononuclear cells in vitro and separated by flow cytometry and then transfused into the patients. The T-lymphocyte subgroups (CD3(+), CD4(+) or CD8(+)), CIK cells and NK cells (CD3(-)CD56(+)) were separated and determined by flow cytometry and the serum levels of MG7-Ag, CA72-4, CA19-9 and CEA were determined by ELISA or ECLIA. It was demonstrated that the cytotoxic activity of CIK cells reached a maximum between days 14 to 21 (68.7 +/- 10.9% and 65.3 +/- 10.4%, respectively). The amounts of CIK cells were gradually increased from day 0 to day 21 and slightly decreased in the further incubations. Thereafter, the CIK cells on days 14 to 21 (with the highest population of CIK cells) transfused back to the patients. The serum levels of the tumor markers were significantly decreased, the host immune function was increased and the short-term curative effect as well as the quality of life (QOL) were improved in the patients treated by chemotherapy plus CIK cells compared to the patients treated by chemotherapy alone. Moreover, the 2-year life-span was prolonged in the group treated by chemotherapy plus CIK cells compared to the group treated with chemotherapy alone. It is concluded that chemotherapy plus CIK cells has obvious benefits for patients who suffer from advanced gastric cancers.
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| 19. |
- Kilpelainen, TO, et al.
(author)
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Multi-ancestry study of blood lipid levels identifies four loci interacting with physical activity
- 2019
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In: Nature communications. - London : Springer Science and Business Media LLC. - 2041-1723. ; 10:1, s. 376-
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Journal article (peer-reviewed)abstract
- Many genetic loci affect circulating lipid levels, but it remains unknown whether lifestyle factors, such as physical activity, modify these genetic effects. To identify lipid loci interacting with physical activity, we performed genome-wide analyses of circulating HDL cholesterol, LDL cholesterol, and triglyceride levels in up to 120,979 individuals of European, African, Asian, Hispanic, and Brazilian ancestry, with follow-up of suggestive associations in an additional 131,012 individuals. We find four loci, in/near CLASP1, LHX1, SNTA1, and CNTNAP2, that are associated with circulating lipid levels through interaction with physical activity; higher levels of physical activity enhance the HDL cholesterol-increasing effects of the CLASP1, LHX1, and SNTA1 loci and attenuate the LDL cholesterol-increasing effect of the CNTNAP2 locus. The CLASP1, LHX1, and SNTA1 regions harbor genes linked to muscle function and lipid metabolism. Our results elucidate the role of physical activity interactions in the genetic contribution to blood lipid levels.
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- Kanai, M, et al.
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- 2023
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- Blust, Kelly, et al.
(author)
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Integration of stem cell-derived pancreatic aggregates into FN-silk network for in vitro cultivation and in vivo transplantation
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Other publication (other academic/artistic)abstract
- Type 1 diabetes is a life-threatening disease characterized by lifelong insulin dependency and a reduced quality of life. Pancreatic islet transplantation is a promising treatment but is limited by donor shortages and significant islet loss during the procedures. The usage of pancreatic islet-like aggregates derived from pluripotent stem cells (SC-islets) could solve the problem of shortage of islets. Incorporating these SC-islets into a supporting scaffold could protect them during handling.FN-silk, a recombinantly produced spider silk protein functionalized with a cell adhesion motif from fibronectin, can generate 3D networks that mimic the extracellular matrix (ECM). We herein demonstrate a reproducible method for integrating SC-islets well-distributed within stable 3D networks of FN-silk. These SC-islets showed high viability and maintained functionality, with increased glucagon expression and improved beta cell maturation as compared to free SC-islets. Additionally, the support of FN-silk networks enables cultivation of SC-islets under conditions needed for scale-up. Moreover, the integration of the SC-islets into sheets of FN-silk networks facilitates handling during transplantation into the anterior chamber of the eye (ACE) of rabbits. Such transplanted FN-silk incorporated SC-islets were found vascularized six weeks post-transplantation, with sustained insulin and glucagon expression.
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- Chen, H, et al.
(author)
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Folic Acid Supplementation Mitigates Alzheimer's Disease by Reducing Inflammation: A Randomized Controlled Trial
- 2016
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In: Mediators of inflammation. - : Hindawi Limited. - 1466-1861 .- 0962-9351. ; 2016, s. 5912146-
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Journal article (peer-reviewed)abstract
- Background/Aims. Low serum folate levels can alter inflammatory reactions. Both phenomena have been linked to Alzheimer’s disease (AD), but the effect of folic acid on AD itself is unclear. We quantified folate supplementation’s effect on inflammation and cognitive function in patients with AD over the course of 6 months.Methods. Patients newly diagnosed with AD (age > 60 years;n=121; mild to severe; international criteria) and being treated with donepezil were randomly assigned into two groups with (intervention group) or without (control group) supplemental treatment with folic acid (1.25 mg/d) for 6 months. The Mini-Mental State Examination (MMSE) was administered to all patients at baseline and follow-up, and blood samples were taken before and after treatment. We quantified serum folate, amyloid beta (Aβ), interleukin-6 (IL-6), tumor necrosis factorα(TNFα), plasma homocysteine (Hcy), S-adenosylmethionine (SAM), S-adenosylhomocysteine (SAH), and the mRNA levels of presenilin (PS), IL-6, and TNFαin leukocytes. Data were analyzed using a repeated-measures mixed model.Results. The mean MMSE was slightly increased in the intervention group compared to that in the control group (P<0.05). Posttreatment, plasma SAM and SAM/SAH levels were significantly higher (P<0.05), while Aβ40, PS1-mRNA, and TNFα-mRNA levels were lower in the intervention group than in the control group (P<0.05). The Aβ42/Aβ40ratio was also higher in the intervention group (P<0.05).Conclusions. Folic acid is beneficial in patients with AD. Inflammation may play an important role in the interaction between folic acid and AD. This trial is registered with clinical trial registration numberChiCTR-TRC-13003246.
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| 34. |
- Chen, XD, et al.
(author)
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Ruminal Microbiota Determines the High-Fiber Utilization of Ruminants: Evidence from the Ruminal Microbiota Transplant
- 2022
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In: Microbiology spectrum. - : American Society for Microbiology. - 2165-0497. ; 10:4, s. e0044622-
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Journal article (peer-reviewed)abstract
- Ruminants have a powerful progastric digestive system that converts structural carbohydrates into nutrients useful to humans. It is well known that this phenomenon is due to the fact that the rumen of ruminants is a natural microbial fermenter, which can ferment structural carbohydrates such as cellulose and hemicellulose and transform them into volatile fatty acids to supply energy for host.
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- Du, CW, et al.
(author)
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Arsenic trioxide reduces the invasive and metastatic properties of nasopharyngeal carcinoma cells in vitro
- 2006
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In: Brazilian journal of medical and biological research. - 0100-879X .- 1414-431X. ; 39:5, s. 677-685
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Journal article (peer-reviewed)abstract
- Nasopharyngeal carcinoma (NPC) is notorious for the metastases, which are in close association with Epstein-Barr virus-encoded latent membrane protein 1 (LMP1). Arsenic trioxide (As2O3) has been shown to induce apoptosis and differentiation in NPC xenografts. Then, can it repress the cancer cells' metastasis potential? To elucidate this issue, the present study was performed. LMP1-negative cell line HNE1 and LMP1-positive cell line HNE1-LMP1 were used as in vitro model. Cells (1 × 105/mL) were cultured with or without 3 μM As2O3 for 48 h. Then the survival cells were collected to investigate their potential of colony formation, attachment, invasion, and migration. Both confocal immunofluorescence staining and Western blot were used to detect the changes of LMP1 expression. The changes of MMP-9 were examined by RT-PCR assay and Western blot. The results were as follow: i) the colony formation inhibition rate (75.41 ± 3.9% in HNE1-LMP1 cells vs 37.89 ± 4.9% in HNE1 cells), the rate of attachment (HNE1-LMP1 vs HNE1: 56.40 ± 3.5 vs 65.87 ± 5.9%), the invasion inhibitory rate (HNE1-LMP1 vs HNE1: 56.50 ± 3.7 and 27.91 ± 2.1%), and the migration inhibitory rate (HNE1-LMP1 vs HNE1: 48.70 ± 3.9 vs 29.19 ± 6.27%) were all significantly different between the two cell lines (P < 0.01). ii) LMP1 was down-regulated in As2O3-treated HNE1-LMP1 cells. iii) The reduction of MMP-9 was found in As2O3-treated groups, more evident in HNE1-LMP1 cells. Thus, we conclude that As2O3 can reduce metastasis potential of NPC cells, involving inhibition of MMP-9 expression. LMP1 were also reduced in this process and seemed to enhance anti-metastasis activity of As2O3. © 2006 Brazilian Journal of Medical and Biological Research.
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| 41. |
- Fang, MY, et al.
(author)
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T Cell Repertoire Abnormality in Immunodeficiency Patients with DNA Repair and Methylation Defects
- 2022
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In: Journal of clinical immunology. - : Springer Science and Business Media LLC. - 1573-2592 .- 0271-9142. ; 42:2, s. 375-393
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Journal article (peer-reviewed)abstract
- Both DNA damage response and methylation play a crucial role in antigen receptor recombination by creating a diverse repertoire in developing lymphocytes, but how their defects relate to T cell repertoire and phenotypic heterogeneity of immunodeficiency remains obscure. We studied the TCR repertoire in patients with the mutation in different genes (ATM, DNMT3B,ZBTB24,RAG1,DCLRE1C, andJAK3) and uncovered distinct characteristics of repertoire diversity. We propose that early aberrancies in thymus T cell development predispose to the heterogeneous phenotypes of the immunodeficiency spectrum. Shorter CDR3 lengths in ATM-deficient patients, resulting from a decreased number of nucleotide insertions during VDJ recombination in the pre-selected TCR repertoire, as well as the increment of CDR3 tyrosine residues, lead to the enrichment of pathology-associated TCRs, which may contribute to the phenotypes of ATM deficiency. Furthermore, patients withDNMT3BandZBTB24mutations who exhibit discrepant phenotypes present longer CDR3 lengths and reduced number of known pathology-associated TCRs.
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