1.CSF1R-Related Adult-Onset Leukoencephalopathy With Axonal Spheroids: A Case Series of Four Asian Indian Patients
Divyani GARG ; Abhishek VAINGANKAR ; Anu GUPTA ; Roopa RAJAN ; Ajay GARG ; Ayush AGARWAL ; Farsana MUSTAFA ; Divya M RADHAKRISHNAN ; Awadh Kishor PANDIT ; Venugopalan Y VISHNU ; Mamta Bhushan SINGH ; Rohit BHATIA ; Achal Kumar SRIVASTAVA
Journal of Movement Disorders 2025;18(2):170-174
Objective:
Colony-stimulating factor 1 receptor-related leukoencephalopathy (CSF1R-L) is a rare adult-onset leukoencephalopathy. Reports of CSF1R-L patients from the Indian subcontinent remain limited. We aimed to report four patients with genetically confirmed CSF1R-L from four Asian Indian families and described their clinical, molecular, and radiological features.
Methods:
All patients underwent clinical examination, brain magnetic resonance imaging, and whole-exome sequencing to identify causative variants in the CSF1R gene. We also reviewed published reports of Indian patients with CSF1R-L.
Results:
The age at enrollment ranged from 34 to 40 years. The duration of symptoms ranged from 11 months to 2 years. The chief clinical phenotype in three patients was a rapidly evolving cognitive-behavioral syndrome combined with atypical parkinsonism, and asymmetrical spastic tetraparesis was observed in one patient. We identified four different variants (three missense variants and one in-frame deletion). Radiological findings revealed white matter involvement and diffusion restriction involving the subcortical white matter and pyramidal tracts.
Conclusion
We expand the literature on CSF1R-L patients from India by reporting four new cases.
2.CSF1R-Related Adult-Onset Leukoencephalopathy With Axonal Spheroids: A Case Series of Four Asian Indian Patients
Divyani GARG ; Abhishek VAINGANKAR ; Anu GUPTA ; Roopa RAJAN ; Ajay GARG ; Ayush AGARWAL ; Farsana MUSTAFA ; Divya M RADHAKRISHNAN ; Awadh Kishor PANDIT ; Venugopalan Y VISHNU ; Mamta Bhushan SINGH ; Rohit BHATIA ; Achal Kumar SRIVASTAVA
Journal of Movement Disorders 2025;18(2):170-174
Objective:
Colony-stimulating factor 1 receptor-related leukoencephalopathy (CSF1R-L) is a rare adult-onset leukoencephalopathy. Reports of CSF1R-L patients from the Indian subcontinent remain limited. We aimed to report four patients with genetically confirmed CSF1R-L from four Asian Indian families and described their clinical, molecular, and radiological features.
Methods:
All patients underwent clinical examination, brain magnetic resonance imaging, and whole-exome sequencing to identify causative variants in the CSF1R gene. We also reviewed published reports of Indian patients with CSF1R-L.
Results:
The age at enrollment ranged from 34 to 40 years. The duration of symptoms ranged from 11 months to 2 years. The chief clinical phenotype in three patients was a rapidly evolving cognitive-behavioral syndrome combined with atypical parkinsonism, and asymmetrical spastic tetraparesis was observed in one patient. We identified four different variants (three missense variants and one in-frame deletion). Radiological findings revealed white matter involvement and diffusion restriction involving the subcortical white matter and pyramidal tracts.
Conclusion
We expand the literature on CSF1R-L patients from India by reporting four new cases.
3.CSF1R-Related Adult-Onset Leukoencephalopathy With Axonal Spheroids: A Case Series of Four Asian Indian Patients
Divyani GARG ; Abhishek VAINGANKAR ; Anu GUPTA ; Roopa RAJAN ; Ajay GARG ; Ayush AGARWAL ; Farsana MUSTAFA ; Divya M RADHAKRISHNAN ; Awadh Kishor PANDIT ; Venugopalan Y VISHNU ; Mamta Bhushan SINGH ; Rohit BHATIA ; Achal Kumar SRIVASTAVA
Journal of Movement Disorders 2025;18(2):170-174
Objective:
Colony-stimulating factor 1 receptor-related leukoencephalopathy (CSF1R-L) is a rare adult-onset leukoencephalopathy. Reports of CSF1R-L patients from the Indian subcontinent remain limited. We aimed to report four patients with genetically confirmed CSF1R-L from four Asian Indian families and described their clinical, molecular, and radiological features.
Methods:
All patients underwent clinical examination, brain magnetic resonance imaging, and whole-exome sequencing to identify causative variants in the CSF1R gene. We also reviewed published reports of Indian patients with CSF1R-L.
Results:
The age at enrollment ranged from 34 to 40 years. The duration of symptoms ranged from 11 months to 2 years. The chief clinical phenotype in three patients was a rapidly evolving cognitive-behavioral syndrome combined with atypical parkinsonism, and asymmetrical spastic tetraparesis was observed in one patient. We identified four different variants (three missense variants and one in-frame deletion). Radiological findings revealed white matter involvement and diffusion restriction involving the subcortical white matter and pyramidal tracts.
Conclusion
We expand the literature on CSF1R-L patients from India by reporting four new cases.
4.Modulation of the LIMK Pathway by Myricetin: A Protective Strategy Against Neurological Impairments in Spinal Cord Injury
Abhishek ROY ; Santimoy SEN ; Rudradip DAS ; Amit SHARD ; Hemant KUMAR
Neurospine 2024;21(3):878-889
Objective:
Spinal cord injury (SCI), one of the major disabilities concerning central nervous system injury, results in permanent tissue loss and neurological impairment. The existing therapeutic options for SCI are limited and predominantly consist of chemical compounds. In this study, we delved into the neuroprotective effects of myricetin, a natural flavonoid compound, and the underlying mechanisms, specifically in the context of SCI, utilizing an in vivo model. Previously, our investigations revealed an elevation in the phosphorylated form of Lin-11, Isl-1, and Mec-3 kinase1 (LIMK1) at chronic time points postinjury, coinciding with neuronal loss and scar formation. Our primary objective here was to assess the potential neuroprotective properties of myricetin in SCI and to ascertain if these effects were linked to LIMK inhibition, a hitherto unexamined pathway to date.
Methods:
Computational docking and molecular dynamics simulation studies were performed to assess myricetin’s potential to bind with LIMK. Then, using a rat contusion model, SCI was induced and different molecular techniques (Western blot, Evans Blue assay, quantitative reverse transcription polymerase chain reaction and immunohistochemistry) were performed to determine the effects of myricetin.
Results:
Remarkably, computational docking models identified myricetin as having a better interaction profile with LIMK than standard. Subsequent to myricetin treatment, a significant downregulation in phosphorylated LIMK expression was observed at chronic time points. This reduction correlated with a notable decrease in glial and fibrotic scar formation, and enhanced neuroprotection indicating a positive outcome in vivo.
Conclusion
In summary, our findings underscore myricetin’s potential as a bioactive compound capable of attenuating SCI-induced injury cascades by targeting the LIMK pathway.
5.Modulation of the LIMK Pathway by Myricetin: A Protective Strategy Against Neurological Impairments in Spinal Cord Injury
Abhishek ROY ; Santimoy SEN ; Rudradip DAS ; Amit SHARD ; Hemant KUMAR
Neurospine 2024;21(3):878-889
Objective:
Spinal cord injury (SCI), one of the major disabilities concerning central nervous system injury, results in permanent tissue loss and neurological impairment. The existing therapeutic options for SCI are limited and predominantly consist of chemical compounds. In this study, we delved into the neuroprotective effects of myricetin, a natural flavonoid compound, and the underlying mechanisms, specifically in the context of SCI, utilizing an in vivo model. Previously, our investigations revealed an elevation in the phosphorylated form of Lin-11, Isl-1, and Mec-3 kinase1 (LIMK1) at chronic time points postinjury, coinciding with neuronal loss and scar formation. Our primary objective here was to assess the potential neuroprotective properties of myricetin in SCI and to ascertain if these effects were linked to LIMK inhibition, a hitherto unexamined pathway to date.
Methods:
Computational docking and molecular dynamics simulation studies were performed to assess myricetin’s potential to bind with LIMK. Then, using a rat contusion model, SCI was induced and different molecular techniques (Western blot, Evans Blue assay, quantitative reverse transcription polymerase chain reaction and immunohistochemistry) were performed to determine the effects of myricetin.
Results:
Remarkably, computational docking models identified myricetin as having a better interaction profile with LIMK than standard. Subsequent to myricetin treatment, a significant downregulation in phosphorylated LIMK expression was observed at chronic time points. This reduction correlated with a notable decrease in glial and fibrotic scar formation, and enhanced neuroprotection indicating a positive outcome in vivo.
Conclusion
In summary, our findings underscore myricetin’s potential as a bioactive compound capable of attenuating SCI-induced injury cascades by targeting the LIMK pathway.
6.Modulation of the LIMK Pathway by Myricetin: A Protective Strategy Against Neurological Impairments in Spinal Cord Injury
Abhishek ROY ; Santimoy SEN ; Rudradip DAS ; Amit SHARD ; Hemant KUMAR
Neurospine 2024;21(3):878-889
Objective:
Spinal cord injury (SCI), one of the major disabilities concerning central nervous system injury, results in permanent tissue loss and neurological impairment. The existing therapeutic options for SCI are limited and predominantly consist of chemical compounds. In this study, we delved into the neuroprotective effects of myricetin, a natural flavonoid compound, and the underlying mechanisms, specifically in the context of SCI, utilizing an in vivo model. Previously, our investigations revealed an elevation in the phosphorylated form of Lin-11, Isl-1, and Mec-3 kinase1 (LIMK1) at chronic time points postinjury, coinciding with neuronal loss and scar formation. Our primary objective here was to assess the potential neuroprotective properties of myricetin in SCI and to ascertain if these effects were linked to LIMK inhibition, a hitherto unexamined pathway to date.
Methods:
Computational docking and molecular dynamics simulation studies were performed to assess myricetin’s potential to bind with LIMK. Then, using a rat contusion model, SCI was induced and different molecular techniques (Western blot, Evans Blue assay, quantitative reverse transcription polymerase chain reaction and immunohistochemistry) were performed to determine the effects of myricetin.
Results:
Remarkably, computational docking models identified myricetin as having a better interaction profile with LIMK than standard. Subsequent to myricetin treatment, a significant downregulation in phosphorylated LIMK expression was observed at chronic time points. This reduction correlated with a notable decrease in glial and fibrotic scar formation, and enhanced neuroprotection indicating a positive outcome in vivo.
Conclusion
In summary, our findings underscore myricetin’s potential as a bioactive compound capable of attenuating SCI-induced injury cascades by targeting the LIMK pathway.
7.Modulation of the LIMK Pathway by Myricetin: A Protective Strategy Against Neurological Impairments in Spinal Cord Injury
Abhishek ROY ; Santimoy SEN ; Rudradip DAS ; Amit SHARD ; Hemant KUMAR
Neurospine 2024;21(3):878-889
Objective:
Spinal cord injury (SCI), one of the major disabilities concerning central nervous system injury, results in permanent tissue loss and neurological impairment. The existing therapeutic options for SCI are limited and predominantly consist of chemical compounds. In this study, we delved into the neuroprotective effects of myricetin, a natural flavonoid compound, and the underlying mechanisms, specifically in the context of SCI, utilizing an in vivo model. Previously, our investigations revealed an elevation in the phosphorylated form of Lin-11, Isl-1, and Mec-3 kinase1 (LIMK1) at chronic time points postinjury, coinciding with neuronal loss and scar formation. Our primary objective here was to assess the potential neuroprotective properties of myricetin in SCI and to ascertain if these effects were linked to LIMK inhibition, a hitherto unexamined pathway to date.
Methods:
Computational docking and molecular dynamics simulation studies were performed to assess myricetin’s potential to bind with LIMK. Then, using a rat contusion model, SCI was induced and different molecular techniques (Western blot, Evans Blue assay, quantitative reverse transcription polymerase chain reaction and immunohistochemistry) were performed to determine the effects of myricetin.
Results:
Remarkably, computational docking models identified myricetin as having a better interaction profile with LIMK than standard. Subsequent to myricetin treatment, a significant downregulation in phosphorylated LIMK expression was observed at chronic time points. This reduction correlated with a notable decrease in glial and fibrotic scar formation, and enhanced neuroprotection indicating a positive outcome in vivo.
Conclusion
In summary, our findings underscore myricetin’s potential as a bioactive compound capable of attenuating SCI-induced injury cascades by targeting the LIMK pathway.
8.Modulation of the LIMK Pathway by Myricetin: A Protective Strategy Against Neurological Impairments in Spinal Cord Injury
Abhishek ROY ; Santimoy SEN ; Rudradip DAS ; Amit SHARD ; Hemant KUMAR
Neurospine 2024;21(3):878-889
Objective:
Spinal cord injury (SCI), one of the major disabilities concerning central nervous system injury, results in permanent tissue loss and neurological impairment. The existing therapeutic options for SCI are limited and predominantly consist of chemical compounds. In this study, we delved into the neuroprotective effects of myricetin, a natural flavonoid compound, and the underlying mechanisms, specifically in the context of SCI, utilizing an in vivo model. Previously, our investigations revealed an elevation in the phosphorylated form of Lin-11, Isl-1, and Mec-3 kinase1 (LIMK1) at chronic time points postinjury, coinciding with neuronal loss and scar formation. Our primary objective here was to assess the potential neuroprotective properties of myricetin in SCI and to ascertain if these effects were linked to LIMK inhibition, a hitherto unexamined pathway to date.
Methods:
Computational docking and molecular dynamics simulation studies were performed to assess myricetin’s potential to bind with LIMK. Then, using a rat contusion model, SCI was induced and different molecular techniques (Western blot, Evans Blue assay, quantitative reverse transcription polymerase chain reaction and immunohistochemistry) were performed to determine the effects of myricetin.
Results:
Remarkably, computational docking models identified myricetin as having a better interaction profile with LIMK than standard. Subsequent to myricetin treatment, a significant downregulation in phosphorylated LIMK expression was observed at chronic time points. This reduction correlated with a notable decrease in glial and fibrotic scar formation, and enhanced neuroprotection indicating a positive outcome in vivo.
Conclusion
In summary, our findings underscore myricetin’s potential as a bioactive compound capable of attenuating SCI-induced injury cascades by targeting the LIMK pathway.
9.Robotic spine systems: overcoming surgeon experience in pedicle screw accuracy: a prospective study
Madhava Pai KANHANGAD ; Vidyadhara SRINIVASA ; Balamurugan THIRUGNANAM ; Abhishek SONI ; Anjana KASHYAP ; Alia VIDYADHARA ; Sharath Kumar RAO
Asian Spine Journal 2024;18(5):663-672
Methods:
In this prospective study, a total of 1,120 pedicle screws were placed in the freehand group (n=175), 1,250 in the fluoroscopyassisted group (n=172), and 1,225 in the robotic-assisted group (n=180). Surgical parameters and screw accuracy were analyzed between the three groups. The preoperative plan overlapped with the postoperative O-arm scan to determine if the screws were executed as planned.
Results:
The frequency of clinically acceptable screw placement (Gertzbein-Robbins grades A and B) in the freehand, fluoroscopy-assisted, and robotic-assisted groups were 97.7%, 98.6%, and 99.34%, respectively. With robotic assistance, an experience-neutralizing effect implied that surgeons with varying levels of experience achieved comparable pedicle screw accuracy, blood loss, O-arm time, robot time, and time per screw. No significant difference in these parameters was found between surgeries commencing before and after 2 PM. No significant differences were noted between the planned and executed screw trajectories in the robotic-assisted group irrespective of surgical experience.
Conclusions
The third-generation robotic-assisted pedicle screw placement system used in conjunction with intraoperative threedimensional O-arm imaging consistently demonstrates safe and accurate screw placement with an experience-neutralizing effect.
10.Inferior polar nephrectomy and vesicocalicostomy for complete ureteric stricture following antibody-mediated rejection in ABO-incompatible living donor kidney transplant: a report of a rare case
Bharath Nagarajan KUMAR ; Abhishek Kumar SHUKLA ; Bhaskar DATT ; Sudeep PRAKASH
Clinical Transplantation and Research 2024;38(1):57-62
Renal transplant recipients are prone to urological complications, the most common of which is stricture of the transplant ureter. We present a rare case of complete ureteric stricture in a 37-year-old man who had undergone spousal living donor kidney transplantation with ABO incompatibility. Initially, treatment involved creating an anastomosis between the native right ureter and the renal pelvis of the transplanted kidney.However, the stricture recurred. Subsequently, the patient was successfully treated with inferior polar nephrectomy and vesicocalicostomy, which entailed anastomosing the lower calyx of the transplanted kidney to the bladder. After 7 months of follow-up, the patient continued to exhibit stable renal function without stricture recurrence.

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