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Bupi Hewei decoction ameliorates 5-fluorouracil-induced intestinal dysbiosis in rats through T helper 17/T regulatory cell signaling pathway.

To observe the effects of the Bupi Hewei (BPHW) decoction on diarrhea and intestinal flora disorder induced by 5-fluorouracil (5-FU) and investigate the possible mechanism underlying these actions.

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[Investigation of miR-155 level in the blood of patients with chronic lymphocytic leukemia and Ph-negative myeloproliferative neoplasms.]

MiR-155 is involved in various physiological processes in the cell, including hematopoiesis, immunity, inflammation and differentiation. Increased expression of miR-155 is observed in many malignant diseases, including lymphomas, acute myeloid leukemia and CLL. However, a comparative study of the miR-155 expression in the blood leukocytes in patients with chronic myeloid and lymphoproliferative diseases has not yet been carried out. To investigate the expression of miR-155 in the blood cells of patients with lympho- and ph-negative myeloproliferative neoplasms. MiR-155 expression were studied in the blood leukocytes of 28 patients with B-CLL, 52 patients with MPN and 51 donors by "real time" PCR method. The study revealed an increase in miR-155 in blood leukocytes in both patients with CLL and patients with MPN compared with the control group. In accordance with the results of the ROC analysis, the sensitivity and specificity of blood leukocytes testing on miR-155 expression level was 81.8% and 78.4%, respectively, for CLL and 55.1% and 82.4%, respectively, for MPN. At the same time, in patients with CLL who received therapy, the level of miR-155 was significantly lower compared with those who did not receive therapy. Thus, the involvement of miR-155 in the pathogenesis of chronic myeloid and lymphoproliferative diseases was demonstrated.

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Protocatechuic acid ameliorates testosterone-induced benign prostatic hyperplasia through the regulation of inflammation and oxidative stress in castrated rats.

Protocatechuic acid (PA) is a polyphenol-recognized for its efficacy as an antioxidant-possesses anticancer, anti-inflammatory, antioxidant properties. The efficacy of PA in the management of benign prostatic hyperplasia (BPH) has not been investigated. Forty-two castrated rats (n = 7) were treated as follows: control (corn oil), BPH only received testosterone propionate (TP) (TP 3 mg/kg intraperitoneally), BPH + PA (TP 3 mg/kg + PA 40 mg/kg), BPH + finasteride (Fin) (TP 3 mg/kg + Fin 10 mg/kg), PA only (40 mg/kg: by gavage), and Fin only (10 mg/kg: by gavage) for 4 weeks. In BPH rats, there were significant (P < .05) increases in prostatic (250%) and organosomatic (280%) weights compared with controls. Cotreatment decreased prostatic weights by 19% (PA) and 21% (Fin). Markers of inflammation: myeloperoxidase activities increased in serum (148%) and prostate (70%), as well as nitric oxide levels serum (92%) and prostatic (95%). Proinflammatory cytokines interleukin-1β and tumor necrosis factor-α increased by 3.6- and 2.8-fold. Furthermore, prostatic malondialdehyde, superoxide dismutase, and serum total acid phosphatase increased by 97%, 25%, and 48%, respectively. Histology revealed poor architecture and severe proliferation of the prostate in BPH rats. Inflammation and oxidative stress markers, as well as the histological alteration in BPH rats, was attenuated (P < .05) upon cotreatment with PA and comparable with Fin cotreatment. These results suggest that PA mitigates oxido-inflammatory responses and restored prostatic cytoarchitecture to levels comparable with control in rats induced with BPH.

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Tomentosin induces apoptotic pathway by blocking inflammatory mediators via modulation of cell proteins in AGS gastric cancer cell line.

In this study, we investigated the in vitro effect of tomentosin on cell proliferation by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay, reactive oxygen species by 2',7'-dichlorofluorescein diacetate staining assay, apoptosis (AO/EtBr, propidium iodide, and 4',6-diamidino-2-phenylindole staining, mitochondrial membrane potential), cell adherent, cell migration, inflammation, apoptosis, and oxidative stress from gastric cancer cells (GCCs) AGS. Upon their relative cell proliferative, inflammatory, and apoptotic molecular markers were analyzed by using the enzyme-linked immunosorbent assay and Western blot analysis method. Treatment with tomentosin (IC  = 20 µM) significantly inhibited cell proliferation and oxidative stress-induced anti-cell proliferative (proliferating cell nuclear antigen and cyclin-D1) also regulated expression, drastically diminished tumor necrosis factor-α, nuclear factor-κB, interleukin-6, and interleukin-1β expression levels, significantly upregulated Bcl-2 and Bax expression. Thus, this tomentosin can significantly reduce GCC proliferation via cytotoxicity which is stimulated apoptosis markers via morphology staining changes and inhibitory inflammatory markers. The tomentosin-induced oxidative stress may be involved to stimulate apoptotic mechanisms via mitochondria-mediated signaling by the inhibition of inflammation. Taken together, our findings suggest a possible future use of chemotherapeutic agents for pharmacological benefits and as an anti-cancer treatment option.

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