2.Effects of mycorrhizal colonization and medicine quality of Paris polyphylla var. yunnanensis inoculated by different foreign AM fungi species.
Zhou NONG ; Bo DING ; Yuan FENG ; Wen-hua QI ; Hua ZHANG ; Dong-qin GUO ; Jun XIANG
China Journal of Chinese Materia Medica 2015;40(16):3158-3167
After 28 foreign species of AM fungi were inoculated in sterilized soil, the effects of the AM mycorrhizal colonization and the medicine quality of Paris polyphylla var. yunnanensis were observed by combination of inoculation test in pot at room temperature and instrumental analysis. The results showed that, compared with control group (CK), the inoculation of foreign AM fungi in the soil influenced the spore density, mycorrhizal infection rate, and colonization intensity of AM fungi in root system of P. polyphylla var. yunnanensis. The inoculation of foreign AM fungi enhanced the mycorrhiza viability of P. polyphylla var. yunnanensis by increasing the activity of succinic dehydrogenase (SDH) and alkaline phosphatase (ALP) in intraradical hyphae. The content of single steroid saponin in rhizome of P. polyphylla var. yunnanensis showed variation after P. polyphylla var. yunnanensis was inoculated by different foreign species of AM fungi, which was beneficial for increasing the medicine quality; however, the kinds of steroid saponin showed no difference. In a degree, there was a selectivity of symbiosis between P. polyphylla var. yunnanensis and foreign AM fungi. And we found that the Claroideoglomus claroideum and Racocetra coralloidea were best foreign AM fungi species for cultivating P. polyphylla var. yunnanensis under field condition.
Chromatography, High Pressure Liquid
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Drugs, Chinese Herbal
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analysis
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Fungi
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classification
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growth & development
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Liliaceae
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chemistry
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growth & development
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microbiology
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Mycorrhizae
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classification
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growth & development
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Plant Roots
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chemistry
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growth & development
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microbiology
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Quality Control
3.The effects of repetitive transcranial magnetic stimulation combined with abdominal muscle electrical stimulation on the pulmonary ventilation of patients with cervical spinal cord injury
Ning LI ; Hua YUAN ; Xiang MOU ; Qi DU ; Li MAO ; Nan HUI
Chinese Journal of Physical Medicine and Rehabilitation 2013;35(11):875-878
Objective To observe the effects of repetitive transcranial magnetic stimulation (rTMS) combined with abdominal muscle electrical stimulation on the pulmonary ventilation of patients with cervical spinal cord injury.Methods Twenty-five patients with cervical spinal cord injury were randomized into an experimental group (n =13) and a control group (n =12).The control group was given comprehensive rehabilitation treatment,including upper limb movements,standing training and training of respiratory function,while the experimental group was given repetitive transcranial magnetic stimulation and abdominal muscle electrical stimulation in addition to the comprehensive rehabilitation treatment.The patients' maximum lung capacity (VC),forced expiratory volume for 1 second (FEV1),peak expiratory flow rate (PEF) and tidal volume (VT) were measured at the outset and after 3 months of treatment.Results The lung function indexes increased in both groups after treatment,but each index improved significantly more in the experimental group,on average,than in the control group.Conclusion As a supplement to routine respiratory function training,repetitive transcranial magnetic stimulation combined with abdominal intermediate frequency electrical stimulation can improve the pulmonary ventilation function of patients with middle and lower cervical spinal cord injury.
4.Versatility of reverse sural fasciocutaneous flap for reconstruction of distal lower limb soft tissue defects.
Hai-Tao, PAN ; Qi-Xin, ZHENG ; Shu-Hua, YANG ; Bin, WU ; Jian-Xiang, LIU
Journal of Huazhong University of Science and Technology (Medical Sciences) 2014;34(3):382-6
In this study we present our experiences with the reverse sural fasciocutaneous flap to reconstruct the distal lower limb soft tissue defects caused by traumatic injuries. These flap graftings were carried out from Oct. 2010 to Dec. 2012 in our department. The series consisted of 36 patients, including 21 men and 15 women with an average age of 46.2 years (14-83 years) and with a medium follow-up period of 18 months (12-24 months). Of all the cases of acute trauma, there were 10 cases of trauma of distal tibia, 9 cases of trauma of perimalleolus, and 17 cases of trauma of midfoot and forefoot. Related risk factors in the patients were diabetes (2 cases), advanced age (>65 years, 3 cases) and cigarette smoking (6 cases). The reverse flow sural island flap irrigation depended on lower perforators of the peroneal artery. The fasciocutaneous pedicle was 3-4 cm in width and the anatomical structures consisted of the superficial and deep fascia, the sural nerve, short saphenous vein, superficial sural artery together with an islet of subcutaneous cellular tissue and skin. The most proximal border of the flap was only 1.5 cm away from the popliteal skin crease and the pivot point was 5-7 cm above the tip of the lateral malleolus. All the flaps survived. No arterial crisis occurred in any case. The venous congestion occurred in 2 cases and got better after raising the limbs and bloodletting. Only in an old man, 1.5 cm necrosis of distal margin of his flap occurred and finally healed after continuous dressing change. One-stage skin grafting was performed, and all the donor sites were sutured and successfully healed. It was concluded that the reverse sural fasciocutaneous flap is safe and reliable to extend to the proximal third even near the popliteal skin crease. We also concluded this flap can be safely and efficiently used to treat patients with large and far soft-tissue defects from the distal leg to the forefoot with more versatility and it is easier to reach the recipient sites.
5.Application of atopy patch test in diagnosing egg and milk allergy among children with atopic dermatitis
Huan YANG ; Yizhu XIAO ; Xiaoyan LUO ; Ying OUYANG ; Yongmei LI ; Qi TAN ; Juan XIANG ; Hua WANG
Chinese Journal of Dermatology 2010;43(6):378-381
Objective To evaluate the capacity of atopy patch test in diagnosis of food allergy in children with atopic dermatitis (AD).Methods Egg and milk,as the most common food allergens among Chinese children,were employed in this study.Skin prick test (SPT) and atopy patch test (APT) with fresh egg and milk were carried out in 68 children with AD.Oral food challenges in an open style were performed to confirm the diagnosis of food allergy.Resuits Of these patients,58(85.3%)were sensitive to egg,40(58.8%)to milk and 34(50.0%) to both.Of 98 patients with positive challenge,47 showed late response,10 immediate reactions.and 41 mixed reactions.The sensitivity,specificity,positive predictive value (PPV),negative predictive value (NPV) and the agreement with food challenges in diagnosis of egg/milk allergy were 96.6%/67.5%.90.0%/82.1%,98.2%/84.4%,81.8%/63.9% and 95.6%/73.5%,respectively for APT alone,37.9%/30.0%,100%/89.3%,100%/80.0%,21.7%/47.2% and 47.1%/54.4%,respectively for SPT alone.APT was found to be more sensitive in diagnosis of late-phase reactions than SPT (P<0.01).No significant difference was found in the sensitivity between APT alone and the combination of APT and SPT in parallel algorithm for diagnosis of egg or milk allergy (x2=0.509,0.549,both P>0.05) or in the specificity between APT alone and that in serial algorithm( P=1.000;x2=3.514,P>0.05).Conclusions APT is superior to SPT in diagnosis of late responses to food,and the combination of SPT and APT does not facilitate the diagnosis of food or milk allergy compared with APT alone.
6.Detection and significance of fusion gene between TMPRSS2 and ETS transcription factor genes in fresh prostatic cancer tissues in Chinese patients.
Hua XIANG ; Zong-xin LING ; Ke SUN ; Guo-ping REN ; Qi-han YOU ; Xiong-zeng ZHU
Chinese Journal of Pathology 2011;40(3):187-188
Carcinoma
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genetics
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metabolism
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pathology
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surgery
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China
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Humans
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Male
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Oncogene Proteins, Fusion
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genetics
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Prostatic Hyperplasia
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genetics
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metabolism
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pathology
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surgery
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Prostatic Neoplasms
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genetics
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metabolism
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pathology
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surgery
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Proto-Oncogene Proteins c-ets
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genetics
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metabolism
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Reverse Transcriptase Polymerase Chain Reaction
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Serine Endopeptidases
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genetics
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metabolism
8.Advances in the study of peptide drugs in oral drug delivery system
Qi LI ; Hong-da CHEN ; Tian-hua ZHOU ; Xiang-rui LIU
Acta Pharmaceutica Sinica 2022;57(7):2012-2023
Peptide drugs exhibit an irreplaceable role in clinics due to their high specificity, efficiency and low toxicity. At present, more than 80 peptide drugs have been approved for marketing with global sales exceeding $50 billion in 2019. However, with large molecular weights, high hydrophilicity and instability in digestive tract, oral peptide drugs encounter substantial physiological barriers leading to low oral bioavailability. Therefore, peptide drugs are mostly administered by parenteral routes. Although parenteral delivery of peptide drugs achieves high bioavailability, this is associated with inconvenience and discomfort, even causing severe side effects compared with the oral route possessing a high degree of patient compliance. Therefore, numerous studies concentrate on novel strategies to improve the oral bioavailability of peptide drugs. Some delivery technologies such as Eligen™ and Axcess™ have been successfully applied to the oral dosage form of therapeutic peptides and have accelerated relevant oral formulations for Food and Drug Administration (FDA) approval and clinical treatment. In this review, we focus on the oral peptide delivery, mainly summarizing the progress of recent strategies used to overcome oral barriers and the commercialization applications of related patents, which could facilitate the research and development (R&D) of clinical applications of oral delivery techniques for peptide drugs.
9.Anatomical variability of the left spermatic vein and establishment of the experimental left varicocele model in adolescent rats.
Bing YAO ; Da-Yu HAN ; Chun-Hua DENG ; Bin OUYANG ; Xiang-Zhou SUN ; Sheng-Fu CHEN ; Qi-Yun YANG
National Journal of Andrology 2014;20(6):505-509
OBJECTIVETo identify the anatomical variability of the left spermatic vein (LSV) and determine its effect on the induction of experimental left varicocele (ELV) in adolescent rats.
METHODSWe equally randomized 30 adolescent male SD rats to groups A (LSV collaterals fully ligated and the left renal vein constricted), B (only the left renal vein constricted), and C (sham operation), observed the courses of the LSVs and measured their diameters. At 30 days after operation, we analyzed the changes in the left kidneys and the diameters of the LSVs.
RESULTSIrregular collaterals were observed in 90% of the LSVs and no abnormal changes were found in the left kidneys after surgery. The postoperative LSV diameter was remarkably increased in group A as compared with the baseline ([1.47 +/- 0.15 ] vs [0.16 +/- 0.08] mm, P < 0.01), but showed no significant difference in group B ([0.31 +/- 0.49] vs [0.15 +/- 0.07] mm, P > 0.05) and C ([0.17 +/- 0.07] vs [0.16 +/- 0.06] mm, P > 0.05), and it was significantly longer in A than in B (P < 0.01). The success rate of ELV induction was 100% in group A and 10% in group B, but no varicocele was observed in group C.
CONCLUSIONCorrect identification of the anatomical course of the LSV and ligation of its irregular collaterals are essential for the establishment of a stable and consistent ELV model.
Animals ; Disease Models, Animal ; Kidney ; pathology ; Ligation ; Male ; Rats ; Rats, Sprague-Dawley ; Spermatic Cord ; blood supply ; Varicocele ; Veins ; abnormalities
10.Correlations of Immunopathologic Types with Clinical Manifestations and Histological Classifications in Children with Henoch Schonlein Purpura Nephritis
jiang, CHENG ; xiao-xiang, SONG ; li-feng, WANG ; xue-ming, ZHU ; qi-hua, FENG ; xiao-zhong, LI
Journal of Applied Clinical Pediatrics 2006;0(22):-
0.05).Compared with other immunopathologic types,IgA plus IgG plus IgM deposition type had higher proportion of histological grade Ⅲb-Ⅵ(P