1.Identification of banana ADA1 gene family members and their expression profiles under biotic and abiotic stresses.
Qiqi ZHAO ; Wenhui REN ; Huifei ZHU ; Qiuzhen WU ; Chunyu ZHANG ; Xiaoqiong XU ; Binbin LUO ; Yuji HUANG ; Yukun CHEN ; Yuling LIN ; Zhongxiong LAI
Chinese Journal of Biotechnology 2024;40(1):190-210
The Spt-Ada-Gcn5-acetyltransferase (SAGA) is an ancillary transcription initiation complex which is highly conserved. The ADA1 (alteration/deficiency in activation 1, also called histone H2A functional interactor 1, HFI1) is a subunit in the core module of the SAGA protein complex. ADA1 plays an important role in plant growth and development as well as stress resistance. In this paper, we performed genome-wide identification of banana ADA1 gene family members based on banana genomic data, and analyzed the basic physicochemical properties, evolutionary relationships, selection pressure, promoter cis-acting elements, and its expression profiles under biotic and abiotic stresses. The results showed that there were 10, 6, and 7 family members in Musa acuminata, Musa balbisiana and Musa itinerans. The members were all unstable and hydrophilic proteins, and only contained the conservative SAGA-Tad1 domain. Both MaADA1 and MbADA1 have interactive relationship with Sgf11 (SAGA-associated factor 11) of core module in SAGA. Phylogenetic analysis revealed that banana ADA1 gene family members could be divided into 3 classes. The evolution of ADA1 gene family members was mostly influenced by purifying selection. There were large differences among the gene structure of banana ADA1 gene family members. ADA1 gene family members contained plenty of hormonal elements. MaADA1-1 may play a prominent role in the resistance of banana to cold stress, while MaADA1 may respond to the Panama disease of banana. In conclusion, this study suggested ADA1 gene family members are highly conserved in banana, and may respond to biotic and abiotic stress.
Musa/genetics*
;
Phylogeny
;
Fungal Proteins
;
Cell Nucleus
;
Histones
;
Stress, Physiological/genetics*
2.Comparison of early efficacy of manual technique and navigation positioning system-assisted reconstruction of anterior cruciate ligament in children and adolescents
Qiuzhen LIANG ; Jiang ZHENG ; Zandong ZHAO ; Xin KANG ; Peidong LIU ; Mi ZHANG ; Chaofan LIAO ; Yue WANG ; Liang ZHANG
Chinese Journal of Orthopaedics 2024;44(7):485-491
Objective:To investigate the initial effectiveness of manual techniques versus navigation positioning system-assisted reconstruction for anterior cruciate ligament (ACL) injuries in children and adolescent populations.Methods:A retrospective analysis was conducted on 28 patients with ACL rupture who underwent primary total epiphyseal ACL reconstruction in the Sports Medicine Treatment Center of Honghui Hospital Affiliated to Xi'an Jiaotong University from January 2019 to October 2022. Patients were categorized into two groups based on the method of guide needle insertion: the manual group (guide needle insertion relying on the operator's expertise) and the robot-assisted group (guide needle insertion assisted by the Tianji robot navigation and positioning system). The manual group comprised 14 cases (9 males, 5 females) with an average age of 13.59±1.59 years, while the robot-assisted group included 14 patients (10 males, 4 females) with an average age of 13.27±1.66 years. The operation time, intraoperative fluoroscopy times, guide needle placement times, the distance between the central point of the internal articular opening of the tibial and femoral bone tunnel and the ideal point, the rate of epiphyseal inflammation, and the International Knee Documentation Committee (IKDC) subjective score, Lysholm score, KT-2000 ligament relaxation, lower limb force line were compared between the two groups.Results:The follow-up duration was 19.9±6.3 months for the manual group and 18.8±4.9 months for the robot group ( t=0.546, P=0.589). The manual group's operation duration was 123.0±12.6 min, significantly longer than the robot group's 96.4±12.9 min ( t=5.502, P<0.001). Intraoperative fluoroscopy was performed 11.8±3.1 times in the manual group, markedly more than the robot group's 3.7±0.8 times ( t=9.434, P<0.001). The robot group required only one guide needle placement for both femur and tibia, while the manual group had 5.7±1.2 placements on the femur side and 4.6±1.8 on the tibia side. The distance between the femoral joint's central point and the ideal point was 0.87±0.20 mm in the robot group, superior to the manual group's 1.92±0.64 mm ( t=5.816, P<0.001). Similarly, the distance between the central point and the ideal point was 1.15±0.34 mm for the robot group, better than the manual group's 1.94±0.55 mm ( t=4.582, P<0.001). No cases of epiphyseal irritation were observed in the robot group, while 21% (3/14) of the manual group experienced tibial or femoral epiphyseal plate involvement. At 3 months post-surgery, the robot group exhibited higher IKDC subjective scores (90.57±8.46) and Lysholm scores (86.29±5.09) compared to the manual group (83.50±6.19 and 80.93±5.93), respectively ( P<0.05). However, at the final follow-up, there were no significant differences in IKDC subjective scores, Lysholm scores, or KT-2000 ligament relaxation between the two groups ( P>0.05). Both groups showed normal lower limb force alignment and no abnormal growth or development. Conclusion:Tianji robot navigation and positioning system-assisted ACL reconstruction in children and adolescents offer advantages such as precise positioning, shorter operation times, reduced intraoperative fluoroscopy, faster recovery, and enhanced epiphyseal protection compared to manual methods.
3.Genome-wide identification of the banana GLR gene family and its expression analysis in response to low temperature and abscisic acid/methyl jasmonate.
Binbin LUO ; Hui ZHANG ; Dan LI ; Qiuzhen WU ; Wanjun GE ; Tianyuan ZHU ; Yukun CHEN ; Yuji HUANG ; Yuling LIN ; Zhongxiong LAI
Chinese Journal of Biotechnology 2023;39(7):2874-2896
Glutamate receptor-like (GLR) is an important class of Ca2+ channel proteins, playing important roles in plant growth and development as well as in response to biotic and abiotic stresses. In this paper, we performed genome-wide identification of banana GLR gene family based on banana genomic data. Moreover, we analyzed the basic physicochemical properties, gene structure, conserved motifs, promoter cis-acting elements, evolutionary relationships, and used real-time fluorescence quantitative polymerase chain reaction (RT-qPCR) to verify the expression patterns of some GLR family members under low temperature of 4 ℃ and different hormone treatments. The results showed that there were 19 MaGLR family members in Musa acuminata, 16 MbGLR family members in Musa balbisiana and 14 MiGLR family members in Musa itinerans. Most of the members were stable proteins and had signal peptides, all of them had 3-6 transmembrane structures. Prediction of subcellular localization indicated that all of them were localized on the plasma membrane and irregularly distributed on the chromosome. Phylogenetic analysis revealed that banana GLRs could be divided into 3 subclades. The results of promoter cis-acting elements and transcription factor binding site prediction showed that there were multiple hormone- and stress-related response elements and 18 TFBS in banana GLR. RT-qPCR analysis showed that MaGLR1.1 and MaGLR3.5 responded positively to low temperature stress and were significantly expressed in abscisic acid/methyl jasmonate treatments. In conclusion, the results of this study suggest that GLR, a highly conserved family of ion channels, may play an important role in the growth and development process and stress resistance of banana.
Musa/metabolism*
;
Phylogeny
;
Abscisic Acid/metabolism*
;
Temperature
;
Stress, Physiological/genetics*
;
Hormones/metabolism*
;
Gene Expression Regulation, Plant
;
Plant Proteins/metabolism*
;
Gene Expression Profiling
4.Efficacy of robot-assisted arthroscopic anterior cruciate ligament reconstruction
Li ZHANG ; Qiuzhen LIANG ; Zandong ZHAO ; Xin KANG ; Bin TIAN ; Bo REN ; Xian ZHANG ; Buhuai DONG ; Jiang ZHENG ; Liang ZHANG
Chinese Journal of Trauma 2022;38(2):142-148
Objective:To compare the clinical efficacy of robot-assisted and simple arthroscopic reconstruction of anterior cruciate ligament (ACL).Methods:A retrospective cohort study was conducted to analyze the clinical data of 37 patients with ACL tear admitted to Honghui Hospital of Xi′an Jiaotong University from January 2020 to September 2020. There were 24 males and 13 females, aged 16-45 years[(30.7±9.8)years]. A total of 17 patients were treated by robot-assisted ACL reconstruction (robot-assisted group), and 20 patients by simple arthroscopic ACL reconstruction (simple arthroscopy group). The operation time, number of guide wire drilling, positional accuracy of bone tunnel (distance between the central point of bone tunnel and ideal anatomical point) and perioperative complications were compared between the two groups. Knee stability was evaluated by Lachman test and KT-2000 measurement, and knee function by Lysholm score, International Knee Documentation Committee (IKDC) score and range of motion of joint flexion and extension before operation, at 4 months after operation and at the last follow-up.Results:All patients were followed up for 12-18 months[(13.1±4.1)months]. The operation time in robot-assisted group was (83.8±11.3)minutes, significantly longer than (50.4±9.1)minutes in simple arthroscopy group ( P<0.01). The number of guide wire drilling in robot-assisted group was (2.2±0.5)times, less than (2.5±0.4)times in simple arthroscopy group ( P<0.05). The distance between the central point of bone tunnel and ideal anatomical point was (1.3±0.3)mm in robot-assisted group, not significantly different from (1.4±0.3)mm in simple arthroscopy group ( P>0.05). There were no perioperative complications in both groups. The two groups showed no significant differences in Lachman test, KT-2000 measurement, Lysholm score, IKDC score and range of motion of joint flexion and extension before operation, at 4 months after operation and at the last follow-up (all P>0.05). The above indices in both groups were significantly improved at 4 months after operation and at the last follow-up as compared with those before operation (all P<0.01), and both groups showed no significant difference in the above indexes at 4 months after operation and at the last follow-up as compared with those before operation (all P>0.05). Conclusion:Compared with simple arthroscopic ACL reconstruction, robot-assisted ACL reconstruction can prepare a bone tunnel once with good location and direction in one time and achieve similar results in stability and functional recovery of the joint except for slightly longer operation time.
5.Lipid production by oleaginous microorganisms using food wastes: a review.
Yong ZHANG ; Yangbin HE ; Wen YANG ; Faqi TAN ; Weiwei LI ; Qiuzhen WANG
Chinese Journal of Biotechnology 2022;38(2):565-577
Food wastes are rich in nutrients and can be used for producing useful chemicals through biotransformation. Some oleaginous microorganisms can use food wastes to produce lipids and high value-added metabolites such as polyunsaturated fatty acids, squalene, and carotenoids. This not only reduces the production cost, but also improves the economic value of the products, thus has large potential for commercial production. This review summarized the advances in food waste treatment, with a focus on the lipid production by oleaginous microorganisms using food wastes. Moreover, challenges and future directions were prospected with the aim to provide a useful reference for related researchers.
Biofuels
;
Biotransformation
;
Food
;
Lipids
;
Refuse Disposal
6.Efficacy of arthroscopic anchor fixation of medial collateral ligament combined with anterior and posterior cruciate ligament reconstruction in the treatment of type KD-IIIM dislocation of knee joint
Liang ZHANG ; Qiuzhen LIANG ; Zandong ZHAO ; Xin KANG ; Bo REN ; Xian ZHANG ; Li ZHANG ; Yue WANG ; Jiang ZHENG
Chinese Journal of Trauma 2021;37(10):881-887
Objective:To compare the clinical effect of anchor fixation of medial collateral ligament(MCL)and non-repaired treatment combined with arthroscopic anterior and posterior cruciate ligament reconstruction in the treatment of type KD-IIIM(Schenck classification)dislocation of knee joint.Methods:A retrospective case-control study was conducted to analyze the clinical data of 41 patients with type KD-IIIM dislocation of the knee joint admitted to Xi'an Honghui Hospital of Xi'an Jiaotong University from September 2015 to September 2017. There were 26 males and 15 females,with the age range of 15-62 years[(37.7±13.9)years]. A total of 21 patients were treated by arthroscopic anterior and posterior cruciate ligament reconstruction and anchor fixation of MCL(repaired group)and 20 patients by arthroscopic anterior and posterior cruciate ligament reconstruction without MCL repair(non-repaired group). The perioperative complications were observed. Comparisons between the two groups were made before operation,4 months after operation and at the last follow-up in terms of Lysholm score,International Knee Documentation Committee(IKDC)score,Visual Analogue Scale(VAS)and range of motion of joint flextion and extension. The medial opening distance of stress X-ray of lower limbs was also observed at the last follow-up.Results:All patients were followed up for 48-66 months[(54.4±5.1)months]. No perioperative complications were noted. The Lysholm score,IKDC score,VAS and range of motion of joint flextion and extension showed no statistical differences between the two groups before operation( P>0.05),and all were improved from the preoperative level at 4 months after operation and at the last follow-up( P<0.05). The Lysholm score in repaired group were(69.7±5.1)points and(83.8±4.9)points at 4 months after operation and at the last follow-up,significantly higher than those in non-repaired group[(61.0±5.5)points and(74.6±6.0)points]( P<0.05). The IKDC score in repaired group was(71.8±4.0)points at 4 months after operation,significantly higher than that in non-repaired group[(71.1±3.9)points]( P<0.05). The IKDC score in repaired group was(82.3±5.1)points at the last follow-up,similar with that in non-repaired group[(83.2±4.0)points]( P>0.05). The VAS in repaired group was(2.5±0.6)points at 4 months after operation,significantly decreased in comparison with(3.2±1.2)points in non-repaired group( P<0.05). The VAS in repaired group was(2.0±1.4)points when compared to(2.2±1.3)points in non-repaired group at the last follow-up( P>0.05). The range of motion of joint flextion and extension in repaired group was(107.6±6.9)° and(125.9±7.8)° at 4 months after operation and at the last follow-up,significantly increased in comparison with(89.6±4.0)° and(120.9±5.2)° in non-repaired group( P<0.05). The medial opening distance in repaired group was(2.3±0.2)mm at the last follow-up,significantly decreased when compared to(3.1±0.2)mm in non-repaired group( P<0.05). Conclusion:For type KD-IIIM knee dislocation,arthroscopic anchor fixation of MCL or without MCL repair combined with anterior and posterior cruciate ligament reconstruction are both effective in satisfactory functional recovery,but MCL repair contributes to earlier function recovery,faster pain relief and more reliable joint stability.
7.The effects of stromal cel1-derived factor 1 on the migration of neural stem cells and the recovery of lower limb function after spinal cord injury
Zhe LI ; Ganghua GUO ; Guosheng WANG ; Qiuzhen ZHANG ; Chenxia GUAN ; Lin YUE
Chinese Journal of Physical Medicine and Rehabilitation 2015;37(6):411-415
Objective To assess the effect of stromal cell-derived factor 1 (SDF-1) on the migration of neural stem cells and recovery of lower limb function after spinal cord injury (SCI).Methods A modified version of Allen's method was used to establish a SCI model in each of 96 adult male Sprague-Dawley rats.They were then randomly divided into group A which received an injection of phosphate buffer solution,group B which received an injection of neural stem cells,group C which received a combination of SDF-1 and neural stem cells,and group D which received AMD3100 and neural stem cells 7 days after the modeling.The functioning of the hind limbs of all of the rats was assessed on the 7th,14th,21st and 28th day after the modeling.The rats were then sacrificed and frozen sections of their spinal cords were stained with hematoxylin-eosin (HE) and marked with CM-Dil under fluorescent light.Results An accumulation of fluorescing cells were observed in spine cords from both group B and C,with the counts of group B [(23.6 ±3.7),(18.9 ±5.6)and(15.2 ±4.3) respectively] at the day 14,21 and 28 after modeling significantly smaller than those of group C [(27.4 ± 4.7),(20.4 ± 5.2) and (18.3 ± 3.9) respectively].During the same period of time,the average BBB scores of groups B and C were significantly better than those of groups A and D.Moreover,the average score of group C was significantly higher than group B's at all time points.Conclusions Transplanted neural stem cells can migrate to the injured site,surviving and differentiating to promote the recovery of limb function in rats with spinal cord injury.SDF-1 can promote that migration and proliferation.Moreover,CXCR4 receptor's antagonist AMD3100 can significantly hinder neural stem cells' migration to the injured site on the spinal cord.
8.The effect of botulinum toxin type A combined with rehabilitation on spasmodic torticollis
Ganghua GUO ; Qiuzhen ZHANG ; Zhe LI
Chinese Journal of Physical Medicine and Rehabilitation 2014;36(2):111-114
Objective To observe the impact of an injection of botulinum toxin type A combined with rehabilitation on the quality of life (QOL) of patients with spasmodic torticollis.Methods Thirty-eight patients with spasmodic torticollis were randomly divided into a combined treatment group and control group.Both groups were given a local muscular injection of botulinum toxin type A.One week later the combined group was given rehabilitation training.Both groups were assessed using the Toronto torticollis rating scale (TWSTRS),Tsui's scale and a health survey (SF-36) one week and eight weeks after the injection.Results Eight weeks after the injection,severity,disability,pain,physical functioning,vitality,mental health and Tsui scores had all increased significantly in the combined treatment group compared with before treatment.Physical functioning,pain,vitality,mental health and Tsui scores had also improved significantly compared with the control group.In the control group,only severity and Tsui scores were significantly improved compared with before treatment.Throughout the course of treatment there were no significant adverse reactions.Conclusions Combining botulinum toxin type A with rehabilitation has synergistic effects on spasmodic torticollis.It can significantly reduce disability scores,relieve pain and improve quality of life.
9.Observation of postoperative recovery time with different surgical procedures for treatment of vocal polyps.
Chunping YANG ; Qiuzhen SUN ; Lina CHEN ; Ying LUO ; Shaorang ZHANG ; Hongbing LIU ; Yuehui LIU
Journal of Clinical Otorhinolaryngology Head and Neck Surgery 2014;28(8):564-565
OBJECTIVE:
To compare postoperative voice recovery time of vocal polyps treated with different power levels of CO2 laser and conventional laryngeal microsurgery on vocal polyps.
METHOD:
Two hundred patients with vocal polyps were randomly divided into four groups, which were respectively treated with conventional laryngeal microsurgery and different power levels of CO2 laser (2 W, 4 W and 6 W) under laryngoscope. The postoperative voice recovery time were analyzed.
RESULT:
All vocal polyps were resected at one time without any serious complications like dyspnea or bleeding. The postoperative voice recovery time were 7.2 days for the group of patients received conventional laryngeal microsurgery and 7.6 days for the group of patients treated with 2 W CO2 laser, which were hoch significantly different from that in the group of patients treated with 6 W CO2 laser (P < 0.05).
CONCLUSION
The postoperative recovery time of patients treated with conventional laryngeal microsurgery and small power of CO2 laser is shorter than those operated with the other larger power of CO2 laser.
Adult
;
Aged
;
Female
;
Follow-Up Studies
;
Humans
;
Laryngoscopy
;
Laser Therapy
;
Male
;
Microsurgery
;
Middle Aged
;
Polyps
;
surgery
;
Postoperative Period
;
Recovery of Function
;
Vocal Cords
;
Young Adult
10.Establishment of lung metastasis model of human primary malignant melanoma in the small intestine in nude mice
Ning ZHANG ; Shuai TUO ; Bo YANG ; Qiuzhen LIU
Chinese Journal of Digestive Surgery 2009;8(1):63-65
Objective To provide an ideal animal model for exploring the pathogenesis and experimental treatment of malignant melanoma in the small intestine.Methods Fresh tissue of lung metastatic lesions from patients with malignant melanoma of the smallintestine were transplanted into mucosa of the small intestine in nude mice.After 4 times of screening.the tissue of the lung metastatic lesions from the nude mice were transplanted into the small intestine of additionat nude mice.Tumorgenecity and metastasis of transplanted tumors were observed,and were analyzed by morphology,karyotype and flow cytometry.Results A lung metastatic model of human primary malignant melanoma of the small intestine in nude mice was successfully constructed and named HSIM-0601.Massive melanin granules and melanin complex were seen in cytoplasm of tumor cells.Immunohistochemical straining of S-100 and HMB-45 were positive.The number of chromosome was between 57 and 59.DNA index was 1.49.HSIM-0601 was passed for 26 generations.A total of 173 nude mice were used for tumor transplantation.The growth rate of the transplanted tumors and resuscitation rate of liquid nitrogen cryopreservation were both 100%.In HSIM-0601.lung metastasis rate was 100%(173/173)and lymph node metastasis rate was 61.3%(106/173).Conclusions The HSIM-0601 successfully mimics the natural clinicopathologic course of patients with primary small intestinal melanoma,and provides an ideal animal model for research on pathogenesis,metastasis and experimentM therapy of malignant lymphoma in the small intestine.

Result Analysis
Print
Save
E-mail