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1.
Chinese Journal of Clinical Pharmacology and Therapeutics ; (12): 15-24, 2022.
Article in Chinese | WPRIM | ID: wpr-1014906

ABSTRACT

AIM: To study the effects of trigliptin succinate on gut microbiota of type 2 diabetic mice. METHODS: 16S rRNA high-throughput sequencing method was used to sequence the intestinal flora of mice in the healthy group, the T2DM group, the trigliptin succinate group and the sitagliptin phosphate group. QIME was used to filter the data, classify and annotate the species. Alpha diversity index and Beta diversity index of the samples were analyzed.The richness and diversity of bacteria in the four groups were compared. RESULTS: The gut microbiota structure of mice in the healthy group, the T2DM group, the trigliptin succinate group and the setagliptin phosphate group were significantly different. The results showed that the ratio of Firmicutes to Bacteroidetes was decreased compared with that in the healthy group. Cyanobacteria, Verrucomicrobia and Tenericutes had significant differences (P< 0.05). Potential biomarkers for T2DM group were Bacilli, Lactobacillales, Lactococcus and Streptococcaceae. Candidate biomarkers of trigliptin succinate group may be Bacteroidia, Bacteroidetes, Bacteroidales, Prevotella, Paraprevotellaceae, Parabacteroides, Porphyromonadaceae; The candidate biomarkers of sitagliptin phosphate group may be Lactobacillus, Lactobacillaceae and Helicobacter. CONCLUSION: The intestinal flora of mice in the trigliptin succinate group was significantly different from that in the healthy group and the T2DM group. Using trigliptin succinate to improve the intestinal flora of mice might achieve the hypoglycemic effect by improving the intestinal flora.

2.
Chinese Journal of Medical Aesthetics and Cosmetology ; (6): 331-333, 2012.
Article in Chinese | WPRIM | ID: wpr-430516

ABSTRACT

Objective To explore the methodology of suturing the upper margin of the orbicularis muscle in pretarsal orbicularis myocutaneous flap to the levator aponeurosis,simulating the mechanism of fibers from the levator aponeurosis to the dermis in natural double-eyelid in blepharoplasty.Methods Pretarsal orbicularis myocutaneous flap was harvested.Dissection between the orbital septum and the levator aponeurosis was performed originating from the upper margin of the tarsi until to the levator muscle.The upper margin of the orbicularis muscle in pretarsal orbicularis myocutaneous flap was sutured to the levator aponeurosis.The lower skin margin to the orbital septum to the upper skin margin was sutured interruptedly.Patients with medial epicanthus were performed epicanthoplasty at the same time.Results 136 eyes in 68 patients were performed with double-eyelid blepharoplasty using this method.62 patients were followed-up for 1 month and 53 patients were followed-up for 3 months.They all reported satisfactory aesthetic results.Conclusions Double-eyelid blepharoplasty using this method accords with the physiological mechanism in natural double-eyelid.Postoperative double-eyelid is natural with little tumefaction.This method can avoid double-eyelid fold retraction and multi-fold occurrence.

3.
Chinese Journal of Laboratory Medicine ; (12): 451-454, 2009.
Article in Chinese | WPRIM | ID: wpr-381049

ABSTRACT

Objective To study the mutations of outer-membrane porin gerte (oprD) in imipenem-resistant Pseudomonas aeruginosa.Methods The PCR was applied to detect the oprD gene from the 34 clinical imipenem-resistant Pseudomonas aeruginosa.DNA sequence was proceeded to analysis the nuclentide sequence of the oprD gene and the deduced amino acid sequence.To analysis the mutation and the function of the oprD domain,those mutations were compaired with the standard Pseudomonas aeruginosa ATCC27853 and 2 clinical imipenem-susceptibility isolates.Results oprD gene mutation was wide and diverse.The rate of the mutation was 92.3% (12/13),mutations were concluded dot mutation,deletion mutation and insert mutation,those result in the amino sequence change and frame shift in L2 and L3 loops of outer membrane protein D,hampering the combine of oprD and imipenem.Some new mutations were found.They were 1 079,1 114,1 196,1 206,1 288,1 300,1 301 bases and 115,127,154,158,185,189 aminos.All above mutations were not deteced in ATCC 27853 and 2 clinical imipenem-susoeptibility isolates.Conclusions The wide and diverse mutations in oprD gene result in amino acid change and/or frame shift L2 and L3 loops,hampering the binding of IMP and oprD.Those may result in resistance to imipenem in Pseudomonas aeruginosa.

4.
Chinese Journal of Microbiology and Immunology ; (12): 196-199, 2001.
Article in Chinese | WPRIM | ID: wpr-384126

ABSTRACT

Objective To investigate the potentiality of adhesion of S. pn to type Ⅱ pneumocyte (A549) in inducing tyrosine phosphorylation of A549 cell proteins and the function subcomponents involved in. Methods Labelled S. pn with FITC for the observation of kinetic characters of adhesion in vitro; The tyrosine phosphorylation of A549 cell proteins induced by S. pn was examined by immunohistochemistry and ELISA. Results The adhesion of S. pn to A549 cells was in a time-and dose-dependent fashion suggesting the specific interaction; Tyrosine phosphorylation induced by adhesion was dose-and time-dependent and was mediated by the surface proteins of S. pn. Conclusion S. pn adheres to A549 cells and triggers the signal cascade in which the surface proteins of S. pn play a vital role.

5.
Chinese Journal of Obstetrics and Gynecology ; (12)2001.
Article in Chinese | WPRIM | ID: wpr-575558

ABSTRACT

Objective To evaluate the method of vulvar reconstruction after extended vulvectomy. Methods Retrospectively, fourteen cases of vulva carcinoma were treated by radical wide local excision, and the defects were repaired with anterolateral thigh flap and inferior pedicle rectus abdominal myocutaneous flap. After the flap was harvested, it was put on the defect through the tunnel between the donor and the recipient site and the vulvae was reconstructed. Results All the flaps were survived except 1 anterolateral thigh flap with partial necrosis. One patient was infected at the groin incision but the flap and the grafted skin were survived. The patients were treated with change of the dressing and recovered after skin grafting. All other incisions were healed with first intention. The partial necrosis area was about 4 cm?6 cm, it healed at 36 postoperative days after free skin grafting. The reconstructed vulvae were plump and elastic. It appeared like the normal vulvae and there was no contraction of the vagina. Conclusions Vulvar reconstruction with the anterolateral thigh flap and rectus abdominal flaps after the radical vulvectomy could make the patients recover easily. It produces almost normal appearance and function of the vulvae, reduces the time of would healing. The patient could have the next therapy more quickly and the quality of life improves. It has wide application value in clinics.

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