1.Characterization of transcription factor genes related to cold tolerance in Brassica napus
Mayur Mukut Murlidhar SHARMA ; Rahul Vasudeo RAMEKAR ; Nam-Il PARK ; Ik-Young CHOI ; Seon-Kang CHOI ; Kyong-Cheul PARK
Genomics & Informatics 2021;19(4):e45-
Brassica napus is the third most important oilseed crop in the world; however, in Korea, it is greatly affected by cold stress, limiting seed growth and production. Plants have developed specific stress responses that are generally divided into three categories: cold-stress signaling, transcriptional/post-transcriptional regulation, and stress-response mechanisms. Large numbers of functional and regulatory proteins are involved in these processes when triggered by cold stress. Here, our objective was to investigate the different genetic factors involved in the cold-stress responses of B. napus. Consequently, we treated the Korean B. napus cultivar Naehan at the 4-week stage in cold chambers under different conditions, and RNA and cDNA were obtained. An in silico analysis included 80 cold-responsive genes downloaded from the National Center for Biotechnology Information (NCBI) database. Expression levels were assessed by reverse transcription polymerase chain reaction, and 14 cold-triggered genes were identified under cold-stress conditions. The most significant genes encoded zinc-finger proteins (33.7%), followed by MYB transcription factors (7.5%). In the future, we will select genes appropriate for improving the cold tolerance of B. napus.
2.A comparison of femoral tunnel placement in ACL reconstruction using a 70° arthroscope through the anterolateral portal versus a 30° arthroscope through the anteromedial portal: a pilot 3D-CT study
Jonathan D KOSY ; Katie WALMSLEY ; Akash D. SHARMA ; Elizabeth A. GORDON ; Sadie V. HEDDON ; Rahul ANASPURE ; Peter J. SCHRANZ ; Vipul I. MANDALIA
The Journal of Korean Knee Society 2020;32(2):e17-
Background:
Graft malposition is a risk factor for failure of anterior cruciate ligament reconstruction. A 70° arthroscope improves visualisation of the medial wall of the lateral femoral condyle without switching portals. We investigated whether the use of this arthroscope affected the accuracy and precision of femoral tunnel placement.
Methods:
Fifty consecutive adult patients were recruited. Following one withdrawal and two exclusions, 47 patients (30 in group 1 (70° arthroscope), 17 in group 2 (30° arthroscope)) underwent three-dimensional computed tomography imaging using a grid-based system to measure tunnel position.
Results:
No difference was found in the accuracy or precision of tunnels (mean position: group 1 = 33.3 ± 6.0% deep–shallow, 27.2 ± 5.2% high–low; group 2 = 31.7 ± 6.9% deep–shallow, 29.0 ± 6.2% high–low; not significant). A post-hoc power analysis suggests a study of 106 patients would be required.
Conclusions
This pilot study suggests that tunnel position is not affected by the arthroscope used. An appropriately powered study could investigate this finding alongside other potential benefits of using a 70° arthroscope for this procedure.Trial registration: ClinicalTrials.gov, NCT02816606. Registered on 28 June 2016.
3.Comparison of Endoscopic and Histological Findings between Typical and Atypical Celiac Disease in Children.
Pooja SEMWAL ; Raj Kumar GUPTA ; Rahul SHARMA ; Kapil GARG
Pediatric Gastroenterology, Hepatology & Nutrition 2018;21(2):86-92
PURPOSE: Celiac disease is a common non-communicable disease with varied presentations. Purpose of this study was to find the duodeno-endoscopic features in celiac disease and to compare duodeno-endoscopic and histological findings between typical and atypical celiac disease in children. METHODS: Hospital based observational study was conducted at Sir Padampat Mother and Child Health Institute, Jaipur from June 2015 to May 2016. Patients were selected and divided in two groups- typical and atypical celiac disease based upon the presenting symptoms. Upper gastrointestinal endoscopy and duodenal biopsy was performed for serology positive patients. Results were analysed using appropriate statistical test of significance. RESULTS: Out of 101 enrolled patients, 47.5% were male. Age ranged from 1 to 18 years. Study showed that 54.5% were typical and 45.5% were atypical. Patients presenting with atypical symptoms were predominantly of older age group. On endoscopy, scalloping, mosaic pattern, reduced fold height and absent fold height; and in histology, advanced Marsh stage were significantly higher in the typical group. CONCLUSION: Awareness of atypical presentations as well as duodeno-endoscopic features may have considerable practical importance for the diagnosis of celiac disease in children. Scalloping, mosaic pattern, reduced fold height and nodularity are main endoscopic markers of celiac disease in children. Endoscopic markers of duodenal mucosa may be important in early diagnosis of celiac disease, in children subjected to endoscopy for atypical presentations or indication other than suspected celiac disease.
Biopsy
;
Celiac Disease*
;
Child Health
;
Child*
;
Diagnosis
;
Early Diagnosis
;
Endoscopy
;
Endoscopy, Gastrointestinal
;
Humans
;
Male
;
Mothers
;
Mucous Membrane
;
Observational Study
;
Pectinidae
;
Wetlands
4.Unusually large erupted complex odontoma: A rare case report.
Shivanand B BAGEWADI ; Rahul KUKREJA ; Gundareddy N SUMA ; Bhawna YADAV ; Havi SHARMA
Imaging Science in Dentistry 2015;45(1):49-54
Odontomas are nonaggressive, hamartomatous developmental malformations composed of mature tooth substances and may be compound or complex depending on the extent of morphodifferentiation or on their resemblance to normal teeth. Among them, complex odontomas are relatively rare tumors. They are usually asymptomatic in nature. Occasionally, these tumors become large, causing bone expansion followed by facial asymmetry. Odontoma eruptions are uncommon, and thus far, very few cases of erupted complex odontomas have been reported in the literature. Here, we report the case of an unusually large, painless, complex odontoma located in the right posterior mandible.
Facial Asymmetry
;
Mandible
;
Odontogenic Tumors
;
Odontoma*
;
Tooth
5.Aberrant myeloid antigen co-expression is correlated with high percentages of CD34-positive cells among blasts of acute lymphoblastic leukemia patients: an Indian tertiary care center perspective.
Rahul Kumar SHARMA ; Abhishek PUROHIT ; Venkatesan SOMASUNDARAM ; Pravas Chandra MISHRA ; Mrinalini KOTRU ; Ravi RANJAN ; Sunil KUMAR ; Sudha SAZAWAL ; Hara Prasad PATI ; Seema TYAGI ; Renu SAXENA
Blood Research 2014;49(4):241-245
BACKGROUND: Aberrant myeloid antigen (MA) co-expression and high expression of CD34 antigen on the blasts of acute lymphoblastic leukemia (ALL) patients are independently reported to have a role in pathogenesis and prognosis. This study was conducted to determine whether these two parameters are related. METHODS: A total of 204 cases of ALL were included in an analysis of blast immunophenotypic data. CD34 expression was categorized as low when less than 50% of blasts were CD34-positive (CD34low) and as high when 50% or more were CD34-positive (CD34high). RESULTS: Of 204 cases of ALL, 163 and 41 were of B-cell origin (B-ALL) and T-cell origin (T-ALL), respectively. Of all cases, 132 (64.7%) showed co-expression of MA and among these, 101 (76.51%) were CD34high, while the remaining 31 (23.48%) were CD34low. Of 72 cases without MA co-expression, 25 (34.72%) were CD34high and 47 (67.25%) were CD34low. Furthermore, of 163 cases of B-ALL, 111 showed co-expression of MA and 84 of these were CD34high. Of 52 cases of B-ALL without MA expression, 22 were CD34high. Among 41 cases of T-ALL, 21 co-expressed MA, 17 of which were CD34high. Moreover, all 20 cases of T-ALL without co-expression of MA were CD34low. These differences were statistically significant. CONCLUSION: We observed a strong correlation between aberrant MA expression and CD34high expression on the blasts of ALL. We hypothesize that these different patient subsets may represent unique prognostic characteristics.
Antigens, CD34
;
B-Lymphocytes
;
Flow Cytometry
;
Humans
;
Immunophenotyping
;
Precursor Cell Lymphoblastic Leukemia-Lymphoma*
;
Precursor T-Cell Lymphoblastic Leukemia-Lymphoma
;
Prognosis
;
T-Lymphocytes
;
Tertiary Care Centers*
6.Arteriovenous Fistula of the Filum Terminale Misdiagnosed and Previously Operated as Lower Lumbar Degenerative Disease.
Pankaj SHARMA ; Alok RANJAN ; Rahul LATH
Asian Spine Journal 2014;8(3):365-370
Filum terminale arteriovenous fistula (FTAVF) presenting as a cause of failed back surgery syndrome is a rare entity. We report a 48-year-old male patient who presented with clinical features of a conus medullaris/cauda equina lesion. He had upper and lower motor neuron signs in both the lower limbs with autonomic dysfunction. The patient was misdiagnosed and was operated twice earlier for lumbar canal stenosis and disc prolapse. After reviewing his clinical and radiological findings a diagnosis of FTAVF was made. He underwent surgery and there was a significant improvement in his neurological functions. We discuss the case and review the literature on FTAVF's.
Arteriovenous Fistula*
;
Cauda Equina*
;
Constriction, Pathologic
;
Conus Snail
;
Diagnosis
;
Failed Back Surgery Syndrome
;
Humans
;
Lower Extremity
;
Male
;
Middle Aged
;
Motor Neurons
;
Prolapse
7.Transient Elevation of Cerebrospinal Fluid Protein in a Patient of Mild Encephalitis with Reversible Lesion in the Splenium: A Case Report
Bhawna Sharma ; Rahul Handa ; Kadam Nagpal ; Swayam Prakash ; Ashok Panagariya
Malaysian Journal of Medical Sciences 2014;21(3):94-97
Mild encephalitis with reversible lesion in the splenium (MERS) is a clinicoradiological syndrome presenting as a solitary lesion in the central portion of the splenium of the corpus callosum (SCC) with a radiological finding of restricted diffusion and low apparent diffusion coefficient (ADC) values. Complete resolution of the lesion on follow-up imaging and full clinical recovery are the hallmarks of this syndrome, even with only supportive therapy. MERS is usually associated with normal Cerebrospinal fluid (CSF) findings and an excellent prognosis, even without corticosteroid therapy. Magnetic resonance imaging (MRI) is the ideal modality for initial diagnosis and follow-up. Not many cases of this uncommon clinicoradiological syndrome with transient elevation of CSF proteins have been reported. In the subsequent sections, we present a case report of this unusual clinicoradiological entity with raised CSF protein. We also elaborate on possible differential diagnoses and the syndrome’s proposed pathophysiology.
8.Ruptured Conus Medullaris Dermoid Cyst with Fat Droplets in the Central.
Mayur SHARMA ; Rahul MALLY ; Vernon VELHO
Asian Spine Journal 2013;7(1):50-54
Spinal dermoid tumors are rare, benign, slow growing tumors. These tumors may become acutely symptomatic after rupture or infection. Excision of the lesion with long term close follow-up studies is required for the management of these lesions. We present a very rare case of ruptured conus medullaris dermoid cyst in a 22-year-old male presented with urinary retention and low back pain. Magnetic resonance imaging scan with contrast reveals a lesion in the cauda equina inseparable from conus medullaris with fat droplets within the central spinal canal extending up to the medulla. Patient was operated with laminectomy and near complete excision of the lesion was done. Patient's low back pain was relieved following surgery. However patient had persistent urinary incontinence and on clean intermittent self-catheterization. Histopathology was suggestive of dermoid cyst.
Cauda Equina
;
Conus Snail
;
Dermoid Cyst
;
Humans
;
Laminectomy
;
Low Back Pain
;
Magnetic Resonance Imaging
;
Male
;
Rupture
;
Spinal Canal
;
Spinal Cord
;
Urinary Incontinence
;
Urinary Retention
9.Erratum: Correction of Title. Ruptured Conus Medullaris Dermoid Cyst with Fat Droplets in the Central Canal.
Mayur SHARMA ; Rahul MALLY ; Vernon VELHO
Asian Spine Journal 2013;7(2):158-158
This article on Asian Spine Journal was initially published without the word 'Canal' in the title.
10.Primary Lumbo-sacral Spinal Epidural Non-Hodgkin's Lymphoma: A Case Report and Review of Literature.
Rahul MALLY ; Mayur SHARMA ; Shadma KHAN ; Vernon VELHO
Asian Spine Journal 2011;5(3):192-195
We present a case of 24-year-old male presented with low back pain radiating to the left lower limb, tingling numbness and weakness of 6 months duration. Magnetic resonance imaging scan with contrast reveals an extradural mass at lumbosacral region. Patient was operated with laminectomy and complete excision of the lesion was done. Patient's radicular pain relieved following the surgery and weakness also improved. Histopathology was suggestive of non-Hodgkin's lymphoma. Patient received chemotherapy which was followed by radiotherapy. Primary Non-Hodgkin's lymphoma of the lumbosacral spinal epidural tissue is an uncommon lesion. Lymphoma involves the central nervous system in 5-11% of cases either at presentation of the disease or during its course. The spinal epidural tissue is involved primarily in 0.1-3.3% of cases with spinal cord compression being the commonest presentation. Excision of the lesion followed by chemotherapy and radiotherapy is required to achieve cure.
Central Nervous System
;
Humans
;
Hypesthesia
;
Laminectomy
;
Low Back Pain
;
Lower Extremity
;
Lumbosacral Region
;
Lymphoma
;
Lymphoma, Non-Hodgkin
;
Magnetic Resonance Imaging
;
Male
;
Spinal Cord Compression
;
Young Adult

Result Analysis
Print
Save
E-mail