ABSTRACT
Cut chrysanthemum, known as a highly favored floral choice globally, experiences a significant decline in production due to continuous cropping. The adverse physiological effects on cut chrysanthemums result from the degradation of a soil's physical and chemical properties, coupled with the proliferation of pathogens. The "Guangyu" cultivar in Xinxiang, Henan Province, China, has been specifically influenced by these effects. First, the precise pathogen accountable for wilt disease was effectively identified and validated in this study. An analysis was then conducted to examine the invasion pattern of the pathogen and the physiological response of chrysanthemum. Finally, the PacBio platform was employed to investigate the dynamic alterations in the microbial community within the soil rhizosphere by comparing the effects of 7 years of monocropping with the first year. Findings indicated that Fusarium solani was the primary causative agent responsible for wilt disease, because it possesses the ability to invade and establish colonies in plant roots, leading to alterations in various physiological parameters of plants. Continuous cropping significantly disturbed the microbial community composition, potentially acting as an additional influential factor in the advancement of wilt.
ABSTRACT
Alzheimer disease (Alzheimer Disease, AD) is one of the most common type in senile dementia. Its main pathological features were that a large number of senile plaques gathered in brain extracellular and tangles fibrosis appeared in nerve cells. Currently, the pathogenesis of AD is still uncertain, and scale investigation and combined brain CT, MRI data were analyzed mainly for clinical diagnosis. Mitigation and improvement of the nervous system activity to interfere with the subsequent behavior of the patients are the main methods for treatment. In clinical no drug can really prevent and cure AD. From the view point of Tibetan medicine studies, Tibetan medicine RNSP has effect on improving memory and repairing the neurons in the brain. In this study, we combined the characteristics of AD pathology, pathogenesis, diagnosis and treatment methods to explore the feasibility of Tibetan medicine RNSP for the treatment of AD to provide new ideas for the diagnosis and treatment of AD.
ABSTRACT
OBJECTIVE: To explore the effectiveness of modified Ilizarov semi-ring external fixator combined with an ulnar osteotomy lengthening in the treatment of old dislocation of the radial head in children. METHODS: A retrospective analysis was made on the data of 14 patients with old dislocation of the radial head treated by the modified Ilizarov semi-ring external fixator combined with ulnar osteotomy lengthening between March 2012 and January 2015. The age ranged from 2 to 13 years (mean, 7.2 years), including 12 boys and 2 girls. There was 1 case of congential dislocation of the radial head and 13 cases of old Monteggia fracture. According to the Bado's classification, dislocation was rated as grade I in 12 cases and grade III in 2 cases. The elbow flexion-extension and forearm pronation and supination were compared between at pre- and post-operation; Mackay evaluation standard of elbow joint function was used to evaluate the effectiveness. RESULTS: The operation time ranged from 50 to 65 minutes (mean, 58 minutes). All patients were followed up 6-33 months (mean, 21 months). No complication of infection, myositis ossificans, or re-dislocation occurred. X-ray film showed bony healing at ulnar osteotomy site within 82-114 days (mean, 90 days). The elbow flexion-extension and forearm pronation and supination were significantly improved at postoperation when compared with preoperation (P < 0.05). The results of Mackay function assessment were excellent in 12 cases and good in 2 cases. CONCLUSION: The modified Ilizarov semi-ring external fixator combined with an ulnar osteotomy lengthening has the advantages of small incision, easy removal of fixator, satisfactory reduction, and no nonunion at ulnar osteotomy site in the treatment of old dislocation of the radial head, but the long-term effectiveness still needs to be followed up.
