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Yu Wang,Pei-Sheng Lee,Yi-Fen Chen,Chi-Tang Ho,Min-Hsiung Pan 한국식품영양과학회 2016 Journal of medicinal food Vol.19 No.9
We reported previously that hydroxylated polymethoxyflavones (HPMFs) effectively suppressed obesity in high-fat-induced mouse. In this study, we further investigated the molecular mechanism of action of 5-hydroxy-3,6,7,8,3′,4′-hexamethoxyflavone (5-OH-HxMF), one of major HPMFs in orange peel. Treatment of 5-OH-HxMF effectively inhibited lipid accumulation by 55–60% in a dose-dependent manner. The 5-OH-HxMF attenuated adipogenesis through downregulating adipogenesis-related transcription factors such as peroxisome proliferator-activated receptor gamma (PPARγ) and CCAAT/enhancer-binding proteins (C/EBPs), as well as downstream target fatty acid synthase and acetyl-CoA carboxylase (ACC). 5-OH-HxMF activated adenosine monophosphate-activated protein kinase signaling and silent mating type information regulation 1 (SIRTUIN 1 or SIRT1) in 3T3-L1 adipocytes to decrease lipid accumulation. In addition, the inhibition rate of lipid accumulation was compared between 5-OH-HxMF and 3,5,6,7,8,3′,4′-heptamethoxyflavone (HpMF). 5-OH-HxMF inhibited lipid accumulation 15–20% more than HpMF did, indicating that hydroxyl group at position 5 can be a key factor in the suppression of adipogenesis.
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Min-Hsiung Pan,Katarzyna Maresz,Pei-Sheng Lee,Jia-Ching Wu,Chi-Tang Ho,Janusz Popko,Dilip S. Mehta,Sidney J. Stohs,Vladimir Badmaev 한국식품영양과학회 2016 Journal of medicinal food Vol.19 No.7
Circulatory markers of low-grade inflammation such as tumor necrosis factor-alpha (TNF-α), interleukin-1 alpha (IL-1α), and interleukin-1 beta (IL-1β) positively correlate with endothelial damage, atheroma formation, cardiovascular disease, and aging. The natural vitamin K2-menaquinone-7 (MK-7) added to the cell culture of human monocyte-derived macrophages (hMDMs) at the same time as toll-like receptor (TLR) agonists did not influence the production of TNF-α. When the cells were pretreated up to 6 h with MK-7 before treatment with TLR agonists, MK-7 did not inhibit significantly the production of TNF-α after the TLR activation. However, 30 h pretreatment of hMDMs with at least 10 μM of MK-7 effectively and dose dependently inhibited the proinflammatory function of hMDMs. Pretreatment of hMDMs with 10 μM of MK-7 for 30 h resulted in 20% inhibition of TNF-α production after lipopolysaccharide (LPS) activation (P < .05) and 43% inhibition after macrophage-activating lipopeptide (MALP) activation (P < .001). Pathogen-associated molecular pattern (PMPP) activation was inhibited by 20% with MK-7 pretreatment; however, this inhibition was not statistically significant. The 30 h pretreatment of a THP-1-differentiated monocyte cell line with MK-7 resulted in a dose-dependent downregulation of TNFα, IL-1α, and IL-1β gene expression as evaluated by RNA semiquantitative reverse transcription polymerase chain reaction (RT-PCR). MK-7 is able to modulate immune and inflammatory reactions in the dose–response inhibition of TNF-α, IL-1α, and IL-1β gene expression and protein production by the healthy hMDMs in vitro.
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Jia-Ming Chen,Wan-Li Chiang,Bin-Chuan Ji,Ruei-Jhe Jhang,Pei-Hsin Chen,Ya-Lun Li,Che-Ju Chang,Sung-Yen Huang,Tsung-Chieh Lee,Chia-Yun Chen,Ching-Hsiung Lin,Sheng-Hao Lin 한국한의학연구원 2023 Integrative Medicine Research Vol.12 No.4
Background: In intensive care units, mechanical ventilation is an important therapy to help patients with dysp- nea. However, long-term ventilator dependence would consume huge medical resources and increase the risk of morbidity and mortality. The aim of the study was to examine the efficacy of the acupuncture combined with western medical care on ventilator parameters in ventilator-dependent patients. Methods: In this clinical trial, 80 ventilator-dependent patients aged 20 to 80 years old were randomly assigned to acupuncture group and control group in the respiratory care center (RCC) of Changhua Christian Hospital. Besides regular medical care and therapy, participants in the acupuncture group received acupuncture therapy at the same 17 acu-points for 20 minutes once a day, a total of 12 sessions. The ventilator parameters were recorded to evaluate the respiratory efficiency for all participants. The primary outcome was rapid shallow breathing index (RSBI), and secondary outcomes were respiratory rate (RR), tidal volume (TV) and ventilation per minute (MV). Results: Though there was no significant difference in the parameter between the acupuncture group and the control group, we found the trend of decreasing RSBI in the acupuncture group. In subgroup analyses, the mean of RSBI significantly decreased 16.02 (with the SD in 60.84) in acupuncture group, while it increased 17.84 (with the SD in 39.38) in control group (p = 0.036) after 12 sessions. Conclusion: Acupuncture treatment can improve breathing ability of patients with respirator dependence in respiratory care center.
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The Presence of Borrelia valaisiana-Related Genospecies in Ticks and a Rodent in Taiwan
Chun-Man Huang,Hsi-Chieh Wang,Ying-Chun Lin,Shih-Hui Chiu,Ying-Shun Kao,Pei-Lung Lee,Hsiu-I Wang,Ruei-Chen Hung,Huang-I Chan,Ho-Sheng Wu,Chuen-Sheue Chiang,Jung-Jung Mu 한국미생물학회 2010 The journal of microbiology Vol.48 No.6
A field survey was conducted to investigate the presence of Borrelia burgdorferi sensu lato (s.l.) in six counties of Taiwan. Spirochetes were successfully isolated from one rodent ear sample out of 485 rodent ears and 53live, fed tick (Ixodes granulatus) samples. The spirochetes were confirmed to be B. burgdorferi s.l. by real-time PCR. In addition, 23 of 113 tick samples were tested positive for Borrelia DNA according to real-time PCR. The Borrelia isolate from the rodent and the 23 Borrelia DNA samples from the ticks were identified as B. valaisiana-related genospecies by phylogenetic analysis based on flagellin gene sequences. These findings suggest that the Borrelia valaisiana-related strains are maintained in a zoonotic cycle between tick vectors and reservoir hosts in Taiwan.
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