Publications by authors named "Tian Ming Xu"

Objective: To investigate the prevalence of autoimmune hepatitis (AIH), primary biliary cholangitis (PBC), and primary sclerosing cholangitis (PSC), and the impact of comorbidity of AIH, PBC, and PSC on hospitalization burden in patients with inflammatory bowel disease (IBD).

Methods: Inpatients admitted to Peking Union Medical College Hospital from January 1, 1998 to December 31, 2021 were included. Odds ratio (OR) and the corresponding 95% confidence interval (CI) were calculated to compare the risk of AIH, PBC, and PSC between IBD and non-IBD patients.

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Background: Eosinophilic gastroenteritis (EGE) is a chronic recurrent disease with abnormal eosinophilic infiltration in the gastrointestinal tract. Glucocorticoids remain the most common treatment method. However, disease relapse and glucocorticoid dependence remain notable problems.

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Temporomandibular disorder (TMD) and fibromyalgia syndrome (FMS) may present as comorbid conditions, but treatment options are ineffective. The purpose of this study was to investigate whether valproate (VPA) attenuates somatic hyperalgesia induced by orofacial inflammation combined with stress, which represents a model of pain associated with TMD and FMS comorbidity, and to explore the potential mechanisms. The results showed that VPA inhibited somatic hyperalgesia induced by orofacial inflammation combined with stress, and down-regulated the interleukin-6 (IL-6) expression in the L4-L5 spinal dorsal horn of female rats.

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Article Synopsis
  • New insecticides with unique mechanisms are needed to combat rising pesticide resistance.
  • Researchers designed and tested novel aryl isoxazoline derivatives, confirming their structures and finding excellent insecticidal activity against certain pests.
  • One specific compound showed promising results comparable to an existing insecticide, with potential for further development based on structure-activity relationships and molecular analysis.
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Objectives: Autoimmune pancreatitis (AIP) is a rare and enigmatic immune-mediated inflammatory disease. We aimed to investigate the prevalence, characteristics, and associated factors of AIP-inflammatory bowel disease (IBD) in China.

Methods: A retrospective bidirectional case-control study was performed.

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We provided the palliative care of a multiple disciplinary team care mode to a patient diagnosed with advanced head and neck cancer and her caregivers.People-centered integrated health services were provided according to the specific needs and preferences of individuals.The team-based palliative care relieved the suffering and improved the quality of life of the patient and that of her family who were facing challenges associated with life-threatening illness.

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It is important to discover new pesticides with new modes of action because of the increasing evolution of pesticide resistance. In this study, a series of novel pyrimidin-4-amine derivatives containing a 5-(trifluoromethyl)-1,2,4-oxadiazole moiety were designed and synthesized. Their structures were confirmed by H NMR, C NMR, and HRMS.

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As a non-invasive method, low-intensity pulsed ultrasound (LIPUS) can accelerate fracture healing. The mechanisms responsible for the enhanced fracture healing need to be studied further. Activation of YAP/TAZ, key mediators of the Hippo signaling pathway, could promote angiogenesis and vascular remodeling.

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Background: Quinoline derivatives possess excellent fungicidal activity against rice blast, but quinoline derivatives have not been thoroughly explored as fungicides. In the process of designing new fungicides, the 1,1,1,2,3,3,3-heptafluoropropan-2-yl group was introduced in order to find new structure quinoline derivatives.

Results: Seventeen new quinoline derivatives containing 1,1,1,2,3,3,3-heptafluoropropan-2-yl moiety were designed and synthesised.

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A series of novel difluoromethylpyrazole carboxamides derivatives were synthesized by introduction of flexible alkyl chain. Nematicidal bioassay results showed that some of them exhibited good control efficacy against M. incognita, which indicated that these difluoromethylpyrazole carboxamides derivatives might be potential novel lead compounds for discovery new nematicides.

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A series of novel chiral fluorinated pyrazole carboxamides derivatives were designed and synthesized. All these title compounds were confirmed by NMR and MS. The primarily nematocidal activity results indicated that some of them exhibited good control efficacy against the tomato root-knot nematode disease caused by Meloidogyne incognita.

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Objective: To assess the clinical characteristics, diagnosis and therapeutic modalities for gastric neuroendocrine neoplasms (GNENs) among the Chinese population in a single institution.

Methods: A total of 57 patients with histologically confirmed GNENs, who were diagnosed between 1995 and 2015 at the Peking Union Medical College Hospital were retrospectively reviewed. The clinical, imaging and histopathologic characteristics as well as the treatments of GNENs were collected and analyzed.

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Background: Hemipelvectomy is a major operation with significant risks including infection, prosthesis failure and fracture. This systematic review was designed to review the functional outcomes, oncologic outcomes and complications in patients who received internal hemipelvectomy and pelvic reconstruction for primary pelvic tumour.

Methods: Searches on MEDLINE, the Cochrane Library, Embase and Google Scholar were performed to locate studies involving patients receiving internal hemipelvectomy and pelvic reconstruction using a prosthesis, implant or bone graft.

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Clenbuterol is a long-lasting β-adrenoceptor (β-AR) agonist and was once medicated as a bronchial dilatator, and is also used by body-building enthusiasts and athletes and in livestock breeding because of its anabolic effect on skeletal muscles and ability to promote lipolysis. Though prohibited from pharmacological uses, clenbuterol intoxication cases are frequently reported, and most of the cardiac symptoms are tachyarrhythmia. Here, we reported a different cardiovascular toxic response to clenbuterol.

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