1.Clinical effect of above-knee medial free-style perforator propeller flap in repairing deep wounds in and around the knee joint
Yuming LUO ; Mengdong LIU ; Qiying YANG ; Xiaowen GAO ; Liang ZHU ; Jun LI
Chinese Journal of Burns 2025;41(4):378-385
Objective:To explore the clinical effect of applying above-knee medial free-style perforator propeller flap in repairing deep wounds in and around the knee joint.Methods:This study was a retrospective observational study. From December 2020 to October 2023, the Department of Burns and Cutaneous Surgery of the First Affiliated Hospital of Air Force Medical University admitted 13 patients who met the inclusion criteria and had deep burn wounds in and around the knee joints, including 9 males and 4 females, aged 16-70 years. After debridement, the sizes of skin and soft tissue defects ranged from 5.0 cm×4.0 cm to 9.0 cm×7.0 cm. A free-style perforator propeller flap was designed and harvested from the medial supragenicular region, using a perforator vessel as the pedicle. The size of the flap ranged from 6.0 cm×4.0 cm to 15.0 cm×7.0 cm. The larger paddle of the flap was used to repair the wound in and around the knee joint, while the smaller paddle assisted in closing the donor site wound. After surgery, the survival status of the flap, wound healing at the donor and recipient sites, and complications such as infection, effusion, and necrosis were observed. During the follow-up, the appearance, color, and texture of the flap as well as the wound healing, scar contracture, and knee joint mobility at the recipient site were observed, and the scar condition, sensory recovery, and complications at the donor site were recorded.Results:Postoperatively, all 13 patients achieved successful flap survival. In one case, infection occurred at the edge of the flap but healed after appropriate treatment including drainage and dressing changes, and the donor site wound healed well; the remaining 12 patients showed uneventful healing at both donor and recipient sites without complications. During follow-up of 5 to 24 months, all 13 patients exhibited natural appearance, normal skin color, soft texture, and good elasticity. The recipient site wounds healed well without scar contracture or deformity, with full range of motion in the knee joint. A mild linear scar remained at the donor site on the inner thigh, with normal sensory function and no numbness.Conclusions:The above-knee medial free-style perforator propeller flap demonstrates simple harvest with minimal trauma for repairing deep wounds in and around the knee joint, providing satisfactory aesthetic and functional outcomes at both donor and recipient sites.
2.Epidemiological characteristics analysis of monkey injury cases caused in Qianlingshan Park, Guiyang City, Guizhou Province
Cai YANG ; Yun CHEN ; Yu CHANG ; Li LI ; Qiying PAN ; Tingting LU ; Dan CHEN ; Chengxian HE ; Mei HUANG ; Liusong YANG ; Tingqin RAO ; Su GUO ; Chong LUO ; Lihong ZHOU ; Xin MU ; Li LIU ; Yayu YANG ; Yuandong HU
Chinese Journal of Preventive Medicine 2025;59(10):1685-1690
Objective:To analyze the epidemiological characteristics of cases involving monkey injuries at medical institutions surrounding Qianlingshan Park in Guiyang City, and to provide a reference basis for preventive measures to reduce monkey injuries and standardized post-exposure treatment.Methods:A retrospective cross-sectional study was conducted, collecting 1 900 cases of monkey-induced injuries in Qianlingshan Park treated at the outpatient clinic of Guizhou Provincial Center for Disease Control and Prevention and the Department of Surgery at Qianling Hospital, Guiyang City, from 2021 to 2024. Statistical analysis was performed using Pearson′s chi-square test.Results:Total of 1 900 cases of monkey-related injuries in Qianlingshan Park were collected from 2021 to 2024. The exposure time distribution exhibited significant seasonality, with 48.58% of cases occurring during July and August, totaling 923 cases, indicating a peak in the summer. There were 774 male patients and 1 126 female patients, with a ratio of 1∶1.45.and significant differences were observed between different age groups and genders (χ2=195.00, P<0.001), with the highest number of cases occurring in the 0-9 and 20-29 age groups, accounting for 22.05%(419 cases) and 21.79%(414 cases), respectively. The upper limbs were the most common injury site, accounting for 50.84% of the total cases(966 cases in total), with significant differences between gender and injury location (χ2=22.00, P<0.001), Among females, the proportion of injuries to the upper and lower limbs (30.11% and 16.47%, respectively) was higher than that among males (20.74% and 8.63%, respectively). The majority of injuries were classified as Grade Ⅲ, making up 57.38% of cases(1 069 cases in total). Self-treatment after exposure was the most common approach(60.44%), with significant differences observed between wound severity and treatment method (χ2=6.90, P=0.032), Patients with Grade Ⅱ and Grade Ⅲ wounds were more likely to choose self-management (26.84% and 33.23%, respectively) than outpatient management (15.14% and 24.15%). Approximately 98.05% (1 863 cases) of monkey-injured patients had received rabies vaccinations. Conclusions:This study analyzes monkey-related injuries in Qianlingshan Park from 2021 to 2024, clarifying the temporal distribution of injuries, demographic characteristics, injury sites, and treatment methods. The findings provide references for optimizing human-monkey conflict management and the prevention and control of zoonotic diseases in urban ecological parks.
3.Regulatory role of ITCH-TXNIP-NLRP3 signaling pathway in Alzheimer disease-like lesions in vivo and in vitro
Qiuyu XIE ; Jianfeng MA ; Qiying SHEN ; Yongxiang HE ; Xiaobing LI ; Shuo YANG ; Yuke XIANG ; Yuan QIN ; Wei WEI ; Yinghua LIU
Chinese Journal of Pathophysiology 2025;41(6):1109-1117
AIM:To investigate the modulatory role of E3 ubiquitin-protein ligase ITCH in Alzheimer disease(AD)-like pathology through the thioredoxin-interacting protein(TXNIP)-nucleotide-binding oligomerization domain-like receptor protein 3(NLRP3)signaling pathway using both in vivo and in vitro experimental models.METHODS:(1)Ten 5×FAD(AD model)mice and 10 wild-type(WT)mice at 2-,4-and 6-month-old were randomly allocated into AD and WT groups.Amyloid β-protein(Aβ)plaque burden in the brain was detected by thioflavin-S and immunofluorescence staining,with the latter method additionally applied to assess TXNIP protein expression.The protein levels of ITCH and TXNIP were determined by Western blot,while their interaction was verified by co-immunoprecipitation.(2)Mouse mi-croglia BV2 cells stimulated by lipopolysaccharide(LPS)were used to construct neuroinflammation model,and were di-vided into control(CON)group and LPS+ATP treatment group.The BV2 cells stimulated by Aβ were used to construct AD inflammation model.According to the different treatment time,they were divided into CON,and 12,24 and 48 h treatment groups.Western blot was used to evaluate the expression of ITCH,TXNIP,and NLRP3 inflammasome compo-nents(NLRP3 and caspase-1)as well as the downstream IL-1β.Adenovirus-mediated ITCH overexpression(OE-ITCH)in Aβ-stimulated BV2 cells comprised three experimental groups:negative control group,Aβ oligomer stimulation group,and OE-ITCH group,with subsequent immunoblotting of inflammatory mediators.RESULTS:The deposition of Aβ plaques in the cortex and hippocampus of 5×FAD transgenic mice exhibited an age-dependent progression(P<0.01).Compared with WT mice,the levels of TXNIP protein increased synchronously,and the levels of ubiquitin ligase ITCH was significantly down-regulated(P<0.05).Co-immunoprecipitation confirmed the interaction between ITCH and TXNIP proteins in the brain of 2-and 4-month-old 5×FAD mice,which exhibited marked attenuation by 4 months of age.In BV2 microglial models,Aβ/LPS stimulation provoked significant ITCH suppression,concurrently up-regulating TXNIP,core NLRP3 inflammasome components(NLRP3 and caspase-1),and downstream IL-1β(P<0.05).Overexpression of ITCH significantly inhibited Aβ-induced activation of TXNIP and NLRP3 and therelated inflammatory factors in BV2 cells.CONCLUSION:The results of in vitro and in vivo experiments showed that ITCH protein exerts effects against AD-like pathology by inhibiting the expression of TXNIP-NLRP3 signaling pathway.
4.Preparation and antitumor activity characterization of oncolytic nanoparticles encapsulating CVA21.
Yinping WANG ; Qiying CAI ; Jingjing ZHOU ; Xiaodi ZHENG ; Linkang CAI ; Yang WANG ; Binlei LIU
Chinese Journal of Biotechnology 2025;41(4):1395-1414
This study aims to investigate the potential of oncolytic nanoparticles encapsulating Coxsackievirus A21 (CVA21) full-genome mRNA (CVA21@ONP) to resurrect CVA21 and induce apoptosis in host cells, as well as the antitumor immune effects of CVA21@ONP in immunocompetent tumor-bearing BALB/c mice. We used lipid nanoparticles (LNPs) to encapsulate CVA21 full-genome mRNA, thus preparing CVA21@ONP. The killing efficacy of CVA21@ONP was determined by the plaque assay and cell counting kit-8 (CCK-8), and the apoptosis in HT29 and CT26-iRFP cells was evaluated by flow cytometry. Mice were administrated with CVA21@ONP at high and low doses intratumorally, and the growth of tumors expressing infra-red fluorescent protein (iRFP) was monitored. Additionally, the types and changes of immune cells in the spleen were analyzed by flow cytometry. The results demonstrated that CVA21@ONP successfully resurrected CVA21 in both HT29 and U87MG cells. The plaque assay revealed robust killing effects of CVA21@ONP against both human and murine cell lines, and flow cytometry results showed increased early and late apoptotic cells. Notably, intratumoral detection revealed significantly down-regulated expression of iRFP in both high- and low-dose CVA21@ONP groups. Flow cytometry results further indicated that CVA21@ONP treatment effectively reduced the levels of immunosuppressive cells, including myeloid-derived suppressor cells (MDSCs) and regulatory T cells (Tregs), in the spleen, while enhancing T cell-dependent antitumor immune responses. These findings suggest that CVA21@ONP can replicate and survive extensively both in vitro and in vivo, activating the immune system of mice administrated with CVA21@ONP to target cells at the tumor site, thereby remodeling the tumor immune microenvironment and accelerating the suppression or even complete regression of tumors. The oncolytic performance of CVA21@ONP has been verified through intratumoral injection administration in this study, aimed at further exploring its therapeutic potential and promoting the development of the field of tumor treatment.
Animals
;
Nanoparticles/chemistry*
;
Mice
;
Mice, Inbred BALB C
;
Humans
;
Apoptosis
;
Oncolytic Viruses/genetics*
;
Oncolytic Virotherapy/methods*
;
Cell Line, Tumor
;
RNA, Messenger/genetics*
;
HT29 Cells
5.Epidemiological characteristics analysis of monkey injury cases caused in Qianlingshan Park, Guiyang City, Guizhou Province
Cai YANG ; Yun CHEN ; Yu CHANG ; Li LI ; Qiying PAN ; Tingting LU ; Dan CHEN ; Chengxian HE ; Mei HUANG ; Liusong YANG ; Tingqin RAO ; Su GUO ; Chong LUO ; Lihong ZHOU ; Xin MU ; Li LIU ; Yayu YANG ; Yuandong HU
Chinese Journal of Preventive Medicine 2025;59(10):1685-1690
Objective:To analyze the epidemiological characteristics of cases involving monkey injuries at medical institutions surrounding Qianlingshan Park in Guiyang City, and to provide a reference basis for preventive measures to reduce monkey injuries and standardized post-exposure treatment.Methods:A retrospective cross-sectional study was conducted, collecting 1 900 cases of monkey-induced injuries in Qianlingshan Park treated at the outpatient clinic of Guizhou Provincial Center for Disease Control and Prevention and the Department of Surgery at Qianling Hospital, Guiyang City, from 2021 to 2024. Statistical analysis was performed using Pearson′s chi-square test.Results:Total of 1 900 cases of monkey-related injuries in Qianlingshan Park were collected from 2021 to 2024. The exposure time distribution exhibited significant seasonality, with 48.58% of cases occurring during July and August, totaling 923 cases, indicating a peak in the summer. There were 774 male patients and 1 126 female patients, with a ratio of 1∶1.45.and significant differences were observed between different age groups and genders (χ2=195.00, P<0.001), with the highest number of cases occurring in the 0-9 and 20-29 age groups, accounting for 22.05%(419 cases) and 21.79%(414 cases), respectively. The upper limbs were the most common injury site, accounting for 50.84% of the total cases(966 cases in total), with significant differences between gender and injury location (χ2=22.00, P<0.001), Among females, the proportion of injuries to the upper and lower limbs (30.11% and 16.47%, respectively) was higher than that among males (20.74% and 8.63%, respectively). The majority of injuries were classified as Grade Ⅲ, making up 57.38% of cases(1 069 cases in total). Self-treatment after exposure was the most common approach(60.44%), with significant differences observed between wound severity and treatment method (χ2=6.90, P=0.032), Patients with Grade Ⅱ and Grade Ⅲ wounds were more likely to choose self-management (26.84% and 33.23%, respectively) than outpatient management (15.14% and 24.15%). Approximately 98.05% (1 863 cases) of monkey-injured patients had received rabies vaccinations. Conclusions:This study analyzes monkey-related injuries in Qianlingshan Park from 2021 to 2024, clarifying the temporal distribution of injuries, demographic characteristics, injury sites, and treatment methods. The findings provide references for optimizing human-monkey conflict management and the prevention and control of zoonotic diseases in urban ecological parks.
6.Regulatory role of ITCH-TXNIP-NLRP3 signaling pathway in Alzheimer disease-like lesions in vivo and in vitro
Qiuyu XIE ; Jianfeng MA ; Qiying SHEN ; Yongxiang HE ; Xiaobing LI ; Shuo YANG ; Yuke XIANG ; Yuan QIN ; Wei WEI ; Yinghua LIU
Chinese Journal of Pathophysiology 2025;41(6):1109-1117
AIM:To investigate the modulatory role of E3 ubiquitin-protein ligase ITCH in Alzheimer disease(AD)-like pathology through the thioredoxin-interacting protein(TXNIP)-nucleotide-binding oligomerization domain-like receptor protein 3(NLRP3)signaling pathway using both in vivo and in vitro experimental models.METHODS:(1)Ten 5×FAD(AD model)mice and 10 wild-type(WT)mice at 2-,4-and 6-month-old were randomly allocated into AD and WT groups.Amyloid β-protein(Aβ)plaque burden in the brain was detected by thioflavin-S and immunofluorescence staining,with the latter method additionally applied to assess TXNIP protein expression.The protein levels of ITCH and TXNIP were determined by Western blot,while their interaction was verified by co-immunoprecipitation.(2)Mouse mi-croglia BV2 cells stimulated by lipopolysaccharide(LPS)were used to construct neuroinflammation model,and were di-vided into control(CON)group and LPS+ATP treatment group.The BV2 cells stimulated by Aβ were used to construct AD inflammation model.According to the different treatment time,they were divided into CON,and 12,24 and 48 h treatment groups.Western blot was used to evaluate the expression of ITCH,TXNIP,and NLRP3 inflammasome compo-nents(NLRP3 and caspase-1)as well as the downstream IL-1β.Adenovirus-mediated ITCH overexpression(OE-ITCH)in Aβ-stimulated BV2 cells comprised three experimental groups:negative control group,Aβ oligomer stimulation group,and OE-ITCH group,with subsequent immunoblotting of inflammatory mediators.RESULTS:The deposition of Aβ plaques in the cortex and hippocampus of 5×FAD transgenic mice exhibited an age-dependent progression(P<0.01).Compared with WT mice,the levels of TXNIP protein increased synchronously,and the levels of ubiquitin ligase ITCH was significantly down-regulated(P<0.05).Co-immunoprecipitation confirmed the interaction between ITCH and TXNIP proteins in the brain of 2-and 4-month-old 5×FAD mice,which exhibited marked attenuation by 4 months of age.In BV2 microglial models,Aβ/LPS stimulation provoked significant ITCH suppression,concurrently up-regulating TXNIP,core NLRP3 inflammasome components(NLRP3 and caspase-1),and downstream IL-1β(P<0.05).Overexpression of ITCH significantly inhibited Aβ-induced activation of TXNIP and NLRP3 and therelated inflammatory factors in BV2 cells.CONCLUSION:The results of in vitro and in vivo experiments showed that ITCH protein exerts effects against AD-like pathology by inhibiting the expression of TXNIP-NLRP3 signaling pathway.
7.Clinical effect of above-knee medial free-style perforator propeller flap in repairing deep wounds in and around the knee joint
Yuming LUO ; Mengdong LIU ; Qiying YANG ; Xiaowen GAO ; Liang ZHU ; Jun LI
Chinese Journal of Burns 2025;41(4):378-385
Objective:To explore the clinical effect of applying above-knee medial free-style perforator propeller flap in repairing deep wounds in and around the knee joint.Methods:This study was a retrospective observational study. From December 2020 to October 2023, the Department of Burns and Cutaneous Surgery of the First Affiliated Hospital of Air Force Medical University admitted 13 patients who met the inclusion criteria and had deep burn wounds in and around the knee joints, including 9 males and 4 females, aged 16-70 years. After debridement, the sizes of skin and soft tissue defects ranged from 5.0 cm×4.0 cm to 9.0 cm×7.0 cm. A free-style perforator propeller flap was designed and harvested from the medial supragenicular region, using a perforator vessel as the pedicle. The size of the flap ranged from 6.0 cm×4.0 cm to 15.0 cm×7.0 cm. The larger paddle of the flap was used to repair the wound in and around the knee joint, while the smaller paddle assisted in closing the donor site wound. After surgery, the survival status of the flap, wound healing at the donor and recipient sites, and complications such as infection, effusion, and necrosis were observed. During the follow-up, the appearance, color, and texture of the flap as well as the wound healing, scar contracture, and knee joint mobility at the recipient site were observed, and the scar condition, sensory recovery, and complications at the donor site were recorded.Results:Postoperatively, all 13 patients achieved successful flap survival. In one case, infection occurred at the edge of the flap but healed after appropriate treatment including drainage and dressing changes, and the donor site wound healed well; the remaining 12 patients showed uneventful healing at both donor and recipient sites without complications. During follow-up of 5 to 24 months, all 13 patients exhibited natural appearance, normal skin color, soft texture, and good elasticity. The recipient site wounds healed well without scar contracture or deformity, with full range of motion in the knee joint. A mild linear scar remained at the donor site on the inner thigh, with normal sensory function and no numbness.Conclusions:The above-knee medial free-style perforator propeller flap demonstrates simple harvest with minimal trauma for repairing deep wounds in and around the knee joint, providing satisfactory aesthetic and functional outcomes at both donor and recipient sites.
8.Effect and mechanism of long-term indwelling needle at Baihui acupoint on improving neurological function in ischemic stroke mice
Jie WANG ; Ting GAO ; Tingting ZHU ; Qiying HE ; Jun YANG
Chinese Journal of Geriatric Heart Brain and Vessel Diseases 2024;26(1):81-86
Objective To investigate the effect and mechanism of long-term indwelling needle of Baihui acupoint during acupuncture on improving neurological function in ischemic stroke mice through brain-derived neurotrophic factor(BDNF)/tyrosine receptor kinase B(TrkB)pathway.Methods A total of 48 male C57BL/6J mice were randomly divided into sham group 1,model group 1,long-term indwelling needle group 1 and conventional indwelling needle group,with 12 mice in each group.A mouse model of ischemic stroke was established by thread occlusion in the latter 3 groups.From the first day after modeling,long-term and conventional indwelling needle at Baihui acupoint was given to the mice in the corresponding groups for 14 consecutive days.Anoth-er 40 male C57BL/6J mice were also subjected and randomly divided into sham group 2,model group 2,and long-term indwelling needle groups 2 and 3,with 10 mice in each group.After model-ing in the latter 3 groups,100 pl adeno-associated virus was injected by caudal vein before acu-puncture treatment.Modified neurological severity score(mNSS)and escape latency,residence time in the target quadrant,and times of crossing the original platform in water maze test were used to evaluate neural function.Results Decreased mNSS score,shorter residence time in the target quadrant,less times of crossing the original platform,and reduced expression levels of BDNF and TrkB in the ischemic brain tissue,and higher apoptotic rate and elevated level of cleaved Caspase-3 in the ischemic brain tissue were observed in the model group 1 when compared with the sham group 1(P<0.05).While long-term and conventional indwelling needle could reverse above indicators,with long-term indwelling needle more significant than the conventional method(P<0.05).The long-term indwelling needle group 3 obtained lower mNSS score,reduced residence time in the target quadrant,lower times of crossing the original platform and decreased levels of BDNF and TrkB in the ischemic brain tissue(P<0.05),and higher apoptotic rate and elevated level of cleaved Caspase-3 in the ischemic brain tissue than the long-term indwelling nee-dle group 2[(16.41±2.25)%vs(7.59±1.09)%,1.46±0.16 vs 0.94±0.12,P<0.05].Conclusion Long-term indwelling needle at Baihui acupoint more significantly improves the neurological func-tion in ischemic stroke mice than ordinary indwelling needle treatment.Its molecular mechanism is due to activating the BDNF/TrkB pathway.
9.Clinical effect of unilateral superior gluteal artery perforator propeller flap combined with contralateral centripetal advancement flap in repairing huge pressure ulcers in the sacrococcygeal region
Jun LI ; Mengdong LIU ; Liang ZHU ; Yuming LUO ; Qiying YANG ; Xiaowen GAO ; Juntao HAN
Chinese Journal of Burns 2024;40(6):551-556
Objective:To explore the feasibility and clinical effects of unilateral superior gluteal artery perforator propeller flap combined with contralateral centripetal advancement flap in repairing huge pressure ulcers in the sacrococcygeal region.Methods:The study was a retrospective observational study. From June 2020 to April 2023, 15 patients with stage Ⅳ pressure ulcers with sacrococcygeal defect area greater than 10.0 cm×10.0 cm who met the inclusion criteria were admitted to the First Affiliated Hospital of Air Force Medical University, including 8 males and 7 females, aged from 30 to 86 years. The pressure ulcers before debridement were all accompanied by different degree of infection and necrosis. Debridement and negative pressure sealing and irrigation treatment were performed in stage Ⅰ. After debridement, the skin and soft tissue defect area was 12.0 cm×10.5 cm to 20.0 cm×17.0 cm. After the wound bed infection was controlled, unilateral superior gluteal artery perforator propeller flap combined with contralateral centripetal advancement flap was used to repair the pressure ulcer wounds in stage Ⅱ. The perforator flap area was 12.0 cm×7.0 cm to 16.0 cm×10.5 cm. The donor area wound was sutured directly. After operation, the survival, complications, and wound healing of flap donor area were observed. During regular follow-up, the recurrence of pressure ulcers, the appearance and texture of the flap, and the scars in the donor site were observed.Results:After operation, 1 patient had fluid accumulation under the flap and survived after drainage and dressing change. The flaps of the other patients survived well without infection, local necrosis, and sinus formation under the flap. The wounds in the donor area healed well. All patients were followed up for more than 6 months, and there was no recurrence of pressure ulcers. The appearance of the flap was not bloated, the texture was soft, and the compression resistance and elasticity were good. The donor site wound healed well without obvious scar.Conclusions:The surgical method of repairing giant sacrococcygeal pressure ulcers with unilateral superior gluteal artery perforator propeller flap combined with contralateral centripetal advancement flap is simple and easy to operate. It can repair large defect area with the donor area being sutured directly, which is worthy of clinical promotion.
10.A case of mitochondrial myopathy and chronic progressive external ophthalmoplegia
Haokun LIU ; Ming GAO ; Qiying SUN ; Si CHEN ; Yuebei LUO ; Huan YANG ; Qiuxiang LI ; Jing LI ; Guang YANG
Journal of Central South University(Medical Sciences) 2023;48(11):1760-1768
Mitochondrial myopathy is a group of multi-system diseases in which mitochondrial DNA(mtDNA)or nuclear DNA(nDNA)defects lead to structural and functional dysfunction of mitochondria.The clinical manifestations of mitochondrial myopathy are complex and varied,and the testing for mtDNA and nDNA is not widely available,so misdiagnosis or missed diagnosis is common.Chronic progressive external ophthalmoplegia(CPEO)is a common type of mitochondrial myopathy,which is characterized by blepharoptosis.Here we report a 38-year-old female with mitochondrial myopathy presented with chronic numbness and weakness of the limbs,accompanied by blepharoptosis that was recently noticed.Laboratory and head magnetic resonance imaging(MRI)examinations showed no obvious abnormalities.Muscle and nerve biopsies showed characteristic ragged red fibers(RRFs)and large aggregates of denatured mitochondria.Testing for mtDNA and nDNA showed a known mutation c.2857C>T(p.R953C)and a novel variant c.2391G>C(p.M797I)in the polymerase gamma(POLG)gene,so the patient was diagnosed as mitochondrial myopathy.Clinicians should pay more attention to long-term unexplained skeletal muscle diseases with recent onset blepharoptosis.Histopathologic examination and genetic testing are of great value in the early diagnosis and therapeutic intervention.

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