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Khatri R, Linn T. Pancreatic mesenchymal stem cells might protect β-cells. Nat Rev Endocrinol 2022; 18:725-726. [PMID: 36253528 DOI: 10.1038/s41574-022-00763-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Rahul Khatri
- Department of Dermatology, University Medical Center of the Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Thomas Linn
- Clinical Research Unit, Center of Internal Medicine, Faculty of Medicine, Justus Liebig University Giessen, Giessen, Germany.
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Bellinghausen I, Khatri R, Saloga J. Current Strategies to Modulate Regulatory T Cell Activity in Allergic Inflammation. Front Immunol 2022; 13:912529. [PMID: 35720406 PMCID: PMC9205643 DOI: 10.3389/fimmu.2022.912529] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Accepted: 05/02/2022] [Indexed: 12/12/2022] Open
Abstract
Over the past decades, atopic diseases, including allergic rhinitis, asthma, atopic dermatitis, and food allergy, increased strongly worldwide, reaching up to 50% in industrialized countries. These diseases are characterized by a dominating type 2 immune response and reduced numbers of allergen-specific regulatory T (Treg) cells. Conventional allergen-specific immunotherapy is able to tip the balance towards immunoregulation. However, in mouse models of allergy adaptive transfer of Treg cells did not always lead to convincing beneficial results, partially because of limited stability of their regulatory phenotype activity. Besides genetic predisposition, it has become evident that environmental factors like a westernized lifestyle linked to modern sanitized living, the early use of antibiotics, and the consumption of unhealthy foods leads to epithelial barrier defects and dysbiotic microbiota, thereby preventing immune tolerance and favoring the development of allergic diseases. Epigenetic modification of Treg cells has been described as one important mechanism in this context. In this review, we summarize how environmental factors affect the number and function of Treg cells in allergic inflammation and how this knowledge can be exploited in future allergy prevention strategies as well as novel therapeutic approaches.
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Affiliation(s)
- Iris Bellinghausen
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Rahul Khatri
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Germany
| | - Joachim Saloga
- Department of Dermatology, University Medical Center, Johannes Gutenberg-University Mainz, Mainz, Germany
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Khatri R, Mohan H, Brar B, Prasad M, Pundir CS. A Novel Amperometric Genosensor for Rapid Detection of Canine Parvovirus in Feces. J Nanosci Nanotechnol 2021; 21:3524-3530. [PMID: 34739803 DOI: 10.1166/jnn.2021.18998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
A highly sensitive novel amperometric genosensor has been developed for rapid detection of canine parvovirus (CPV) DNA in fecal swabs of naturally infected dogs. The genosensor is based on a single stranded 5°-thiolated (SH) DNA probe complementary to VP1/VP2 gene of canine parvo vaccine strain, immobilized covalently on a polycrystalline gold (Au) electrode. The genosensor has been characterized by scanning electron microscopy (SEM), Fourier Transform Infra-Red Spectroscopy (FTIR), cyclic voltammetry (CV), differential pulse voltammetry (DPV) and electrochemical impedance spectra (EIS). The ssDNA-SH/Au electrode was hybridized with single stranded target DNA (ss T-DNA) in the sample. This hybridization was detected by reduction in current, generated by interaction of methylene blue (MB) with free guanine of ssDNA. The current response of genosensor was determined by CV, DPV and EIS. The sensor detected single stranded genomic DNA (ss g-DNA) isolated from vaccine strain of CPV in the range, 1.0-12.0 ng/μl at 25 °C for 10 min. Subsequently, the genobiosensor was applied for detection of CPV viral DNA in fecal swabs of naturally infected dogs. The limit of detection (LOD) of the sensor was 1.0 ng/μl of fecal viral DNA. To the best of our knowledge, this is the first report on development and application of amperometric biosensor for rapid, sensitive, specific point of care detection of viral DNA of CPV in feces.
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Affiliation(s)
- Rahul Khatri
- Centre for Medical Biotechnology, Maharshi Dayanand University, Rohtak 124001, Haryana, India
| | - Hari Mohan
- Centre for Medical Biotechnology, Maharshi Dayanand University, Rohtak 124001, Haryana, India
| | - Basanti Brar
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar 125004, India
| | - Minakshi Prasad
- Department of Animal Biotechnology, Lala Lajpat Rai University of Veterinary and Animal Sciences, Hisar 125004, India
| | - C S Pundir
- Department of Biochemistry, Maharshi Dayanand University, Rohtak 124001, Haryana, India
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Sharma S, Chaudhary P, Sandhir R, Bharadwaj A, Gupta RK, Khatri R, Bajaj AC, Baburaj TP, Kumar S, Pal MS, Reddy PK, Kumar B. Heat-induced endoplasmic reticulum stress in soleus and gastrocnemius muscles and differential response to UPR pathway in rats. Cell Stress Chaperones 2021; 26:323-339. [PMID: 33210173 PMCID: PMC7925797 DOI: 10.1007/s12192-020-01178-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 10/29/2020] [Accepted: 11/03/2020] [Indexed: 02/06/2023] Open
Abstract
The present study aimed to investigate the differential response of oxidative (soleus) and glycolytic (gastrocnemius) muscles to heat-induced endoplasmic reticulum (ER) stress. It was hypothesized that due to compositional and functional differences, both muscles respond differently to acute heat stress. To address this, male Sprague Dawley rats (12/group) were subjected to thermoneutral (25 °C) or heat stress (42 °C) conditions for 1 h. Soleus and gastrocnemius muscles were removed for analysis post-exposure. A significant increase in body temperature and free radical generation was observed in both the muscles following heat exposure. This further caused a significant increase in protein carbonyl content, AOPP, and lipid peroxidation in heat-stressed muscles. These changes were more pronounced in heat-stressed soleus compared to the gastrocnemius muscle. Accumulation of unfolded, denatured proteins results in ER stress, causing activation of unfolded protein response (UPR) pathway. The expressions of UPR transducers were significantly higher in soleus as compared to the gastrocnemius muscle. A significant elevation in resting intracellular calcium ion was also observed in heat-stressed soleus muscle. Overloading of cells with misfolded proteins in soleus muscle activated ER-induced apoptosis as indicated by significant upregulation of C/EBP homologous protein and Caspase12. The study provides a detailed mechanistic representation of the differential response of muscles toward UPR under heat stress. Data suggests that soleus majorly being an oxidative muscle is more prone to heat stress-induced insult indicated by enhanced apoptosis. This study may aid in devising mitigation strategies to improve muscle performance under heat stress.
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Affiliation(s)
- Shivani Sharma
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
- Department of Biochemistry, Panjab University, sector 25, Chandigarh, India
| | - Pooja Chaudhary
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India.
| | - Rajat Sandhir
- Department of Biochemistry, Panjab University, sector 25, Chandigarh, India
| | - Abhishek Bharadwaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Rajinder K Gupta
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Rahul Khatri
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Amir Chand Bajaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - T P Baburaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Sachin Kumar
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - M S Pal
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Prasanna K Reddy
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
| | - Bhuvnesh Kumar
- Defence Institute of Physiology and Allied Sciences (DIPAS), DRDO, Timarpur, Delhi, 110054, India
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Abstract
Background Type 1 diabetes mellitus (T1D) is characterized by the autoimmune destruction of the pancreatic β cells. The transplantation of mesenchymal stromal/stem cells (MSC) was reported to rescue the damaged pancreatic niche. However, there is an ongoing discussion on whether direct physical contact between MSC and pancreatic islets results in a superior outcome as opposed to indirect effects of soluble factors released from the MSC entrapped in the lung microvasculature after systemic administration. Hence, MSC were studied in direct contact (DC) and indirect contact (IDC) with murine pancreatic β cell line MIN6-cells damaged by nitrosourea derivative streptozotocin (STZ) in vitro. Further, the protective and antidiabetic outcome of MSC transplantation was evaluated through the intrapancreatic route (IPR) and intravenous route (IVR) in STZ-induced diabetic NMRI nude mice. Methods MSC were investigated in culture with STZ-damaged MIN6-cells, either under direct contact (DC) or separated through a semi-permeable membrane (IDC). Moreover, multiple low doses of STZ were administered to NMRI nude mice for the induction of hyperglycemia. 0.5 × 106 adipose-derived mesenchymal stem cells (ADMSC) were transferred through direct injection into the pancreas (IPR) or the tail vein (IVR), respectively. Bromodeoxyuridine (BrdU) was injected for the detection of proliferating islet cells in vivo, and real-time polymerase chain reaction (RT-PCR) was employed for the measurement of the expression of growth factor and immunomodulatory genes in the murine pancreas and human MSC. Phosphorylation of AKT and ERK was analyzed with Western blotting. Results The administration of MSC through IPR ameliorated hyperglycemia in contrast to IVR, STZ, and non-diabetic control in a 30-day window. IPR resulted in a higher number of replicating islet cells, number of islets, islet area, growth factor (EGF), and balancing of the Th1/Th2 response in vivo. Physical contact also provided a superior protection to MIN6-cells from STZ through the AKT and ERK pathway in vitro in comparison with IDC. Conclusion Our study suggests that the physical contact between MSC and pancreatic islet cells is required to fully unfold their protective potential. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02173-4.
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Affiliation(s)
- Rahul Khatri
- Clinical Research Unit, Centre of Internal Medicine, Faculty of Medicine, Justus Liebig University Giessen, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany
| | - Sebastian Friedrich Petry
- Clinical Research Unit, Centre of Internal Medicine, Faculty of Medicine, Justus Liebig University Giessen, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany
| | - Thomas Linn
- Clinical Research Unit, Centre of Internal Medicine, Faculty of Medicine, Justus Liebig University Giessen, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany.
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Khatri R, Mazurek S, Petry SF, Linn T. Mesenchymal stem cells promote pancreatic β-cell regeneration through downregulation of FoxO1 pathway. Stem Cell Res Ther 2020; 11:497. [PMID: 33239104 PMCID: PMC7687794 DOI: 10.1186/s13287-020-02007-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 11/02/2020] [Indexed: 12/22/2022] Open
Abstract
Background Mesenchymal stem cells (MSC) are non-haematopoietic, fibroblast-like multipotent stromal cells. In the injured pancreas, these cells are assumed to secrete growth factors and immunomodulatory molecules, which facilitate the regeneration of pre-existing β-cells. However, when MSC are delivered intravenously, their majority is entrapped in the lungs and does not reach the pancreas. Therefore, the aim of this investigation was to compare the regenerative support of hTERT-MSC (human telomerase reverse transcriptase mesenchymal stem cells) via intrapancreatic (IPR) and intravenous route (IVR). Methods hTERT-MSC were administered by IPR and IVR to 50% pancreatectomized NMRI nude mice. After eight days, blood glucose level, body weight, and residual pancreatic weight were measured. Proliferating pancreatic β-cells were labelled and identified with bromodeoxyuridine (BrdU) in vivo. The number of residual islets and the frequency of proliferating β-cells were compared in different groups with sequential pancreatic sections. The pancreatic insulin content was evaluated by enzyme-linked immunosorbent assay (ELISA) and the presence of hTERT-MSC with human Alu sequence. Murine gene expression of growth factors, β-cell specific molecules and proinflammatory cytokines were inspected by real-time polymerase chain reaction (RT-PCR) and Western blot. Results This study evaluated the regenerative potential of the murine pancreas post-hTERT-MSC administration through the intrapancreatic (IPR) and intravenous route (IVR). Both routes of hTERT-MSC transplantation (IVR and IPR) increased the incorporation of BrdU by pancreatic β-cells compared to control. MSC induced epidermal growth factor (EGF) expression and inhibited proinflammatory cytokines (IFN-γ and TNF-α). FOXA2 and PDX-1 characteristics for pancreatic progenitor cells were activated via AKT/ PDX-1/ FoxO1 signalling pathway. Conclusion The infusion of hTERT-MSC after partial pancreatectomy (Px) through the IVR and IPR facilitated the proliferation of autochthonous pancreatic β-cells and provided evidence for a regenerative influence of MSC on the endocrine pancreas. Moderate benefit of IPR over IVR was observed which could be a new treatment option for preventing diabetes mellitus after pancreas surgery. Supplementary information The online version contains supplementary material available at at 10.1186/s13287-020-02007-9.
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Affiliation(s)
- Rahul Khatri
- Third Medical Department, Clinical Research Lab, Justus Liebig University Giessen, Giessen, Germany
| | - Sybille Mazurek
- Institute of Veterinary Physiology and Biochemistry, Justus Liebig University Giessen, Giessen, Germany
| | | | - Thomas Linn
- Third Medical Department, Clinical Research Lab, Justus Liebig University Giessen, Giessen, Germany. .,Clinical Research Unit, Centre of Internal Medicine, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany.
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Khatri R, Gupta RK, Vats P, Bansal V, Yadav AK, Reddy PK, Bharadwaj A, Chaudhary P, Sharma S, Bajaj AC, Deskit P, Dass D, Baburaj TP, Singh SB, Kumar B. Subclinical elevated B-type Natriuretic Peptide (BNP) indicates endothelial dysfunction contributing to hypoxia susceptibility in healthy individuals. Life Sci 2020; 260:118408. [PMID: 32926931 PMCID: PMC7486215 DOI: 10.1016/j.lfs.2020.118408] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/31/2020] [Accepted: 09/04/2020] [Indexed: 12/21/2022]
Abstract
Aims Baseline elevated B-type Natriuretic Peptide (BNP) has been found in high altitude pulmonary edema susceptible population. Exaggerated pulmonary vascular response to hypoxia may be related to endothelial dysfunction in hypoxia susceptible. We hypothesize that baseline BNP levels can predict hypoxia susceptibility in healthy individuals. Main methods The pulmonary vascular response to hypoxia was compared in 35 male healthy individuals divided into two groups based on BNP levels (Group 1 ≤ 15 and Group 2 > 15 pg/ml). Acute normobaric hypoxia was administered to both the groups, to confirm hypoxia susceptibility in Group 2. Key findings Unlike Group 1, Group 2 had elevated post hypoxia BNP levels (26 vs 33.5 pg/ml, p = 0.002) while pulmonary artery pressure was comparable. A negative correlation with tissue oxygen consumption (delta pO2) and compartmental fluid shift was seen in Group 1 only. Endothelial dysfunction in Group 2 resulted in reduced vascular compliance leading to elevation of mean blood pressure on acute hypoxia exposure. BNP showed a positive correlation with endothelial dysfunction in Group 2 and has been linked to pre-diabetic disorder (HbA1c 6 ± 0.44%) and may additionally represent a lower cross-sectional area of vascular bed related to vascular remodeling mediated by chronic hypoxia. Significance Hypoxia susceptibility in healthy individuals may be related to endothelial dysfunction that limits vascular compliance during hypoxic stress. BNP level showed positive correlation with HbA1c (r = 0.49, p = 0.04) and negative correlation with delta pO2 (r = −0.52, p = 0.04) can predict reduced microvascular compliance due to endothelial dysfunction contributing to hypoxia susceptibility in healthy individuals. BNP levels≤15 pg/ml at sea level is indicative of hypoxia resistance.
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Affiliation(s)
- Rahul Khatri
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Rajinder K Gupta
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India.
| | - Praveen Vats
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Vishal Bansal
- Vallabhbhai Patel Chest Institute (VPCI), Delhi University, New Delhi, Delhi 110007, India
| | - Anand Kumar Yadav
- Vallabhbhai Patel Chest Institute (VPCI), Delhi University, New Delhi, Delhi 110007, India
| | - Prasanna K Reddy
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Abhishek Bharadwaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Pooja Chaudhary
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Shivani Sharma
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Amir Chand Bajaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Padma Deskit
- Sonam Norboo Memorial (S.N.M.) Hospital, Leh-Ladakh, Jammu and Kashmir 194101, India
| | - Deepak Dass
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Thiruthara P Baburaj
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Shashi Bala Singh
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
| | - Bhuvnesh Kumar
- Defence Institute of Physiology and Allied Sciences (DIPAS), Timarpur, Delhi 110054, India
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Schröder C, Khatri R, Petry SF, Linn T. Class I and II Histone Deacetylase Inhibitor LBH589 Promotes Endocrine Differentiation in Bone Marrow Derived Human Mesenchymal Stem Cells and Suppresses Uncontrolled Proliferation. Exp Clin Endocrinol Diabetes 2020; 129:357-364. [PMID: 32052390 DOI: 10.1055/a-1103-1900] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Mesenchymal stem cells are useful tools employed in clinical and preclinical medicine. Their beneficial potential in especially degenerative as well as autoimmune diseases is a constant focus of research. Regarding diabetes mellitus, transplantation of stem cells is seen as a possible therapeutic approach to overcome the loss of endocrine pancreatic cells. It was reported that co-transplantation of mesenchymal stem cells with pancreatic islet cells improves function and survival of the graft. However, these multipotent progenitors may be able to form tumors, especially under immunosuppressed conditions. Histone deacetylase inhibitors might offer the potential to overcome this issue. These small molecules can induce cell differentiation and control proliferation. Their potential to control lineage development of stem cells has been distinctly demonstrated in the treatment of cancer, mainly in hematopoietic neoplasias.In this study, we demonstrate that human bone marrow-derived mesenchymal stem cells exhibit low carcinogenic potential in an immunosuppressed condition in vivo. Further, the effect of histone deacetylase inhibitors LBH589, MS-275, and MGCD0103 was examined after normalizing histone deacetylase activities in culture. Interestingly, transcripts of insulin gene enhancer protein and paired-box-gene 6, two markers of pancreatic endocrine differentiation were constitutively expressed in the cell line. The broad spectrum inhibitor of class I and class II histone deacetylases LBH589 upregulated the expression of these transcription factors in a significant way, whereas addition of selective class I histone deacetylase inhibitors MS-275 and MGCD0103 did not result in significant changes in gene expression.In conclusion, we deliver evidence that a combined class I and II histone deacetylase inhibition is able to modulate the transcripts of differentiation markers of mesenchymal stem cells. The treatment holds the capability to facilitate endocrine differentiation in future approaches to replace endocrine cells by stem cell therapy.
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Affiliation(s)
- Christoph Schröder
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University Giessen, Germany.,Medizinische Hochschule Hannover, Hannover, Germany
| | - Rahul Khatri
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University Giessen, Germany
| | | | - Thomas Linn
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University Giessen, Germany
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Khatri R, Jain B, Dabholkar D, Kumar S. Intrauterine fetal death due to true knot on umbilical cord: Report of two cases. MGM J Med Sci 2020. [DOI: 10.4103/mgmj.mgmj_43_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Doering L, Khatri R, Petry SF, Sauer H, Howaldt HP, Linn T. Regulation of somatostatin expression by vitamin D3 and valproic acid in human adipose-derived mesenchymal stem cells. Stem Cell Res Ther 2019; 10:240. [PMID: 31387633 PMCID: PMC6685151 DOI: 10.1186/s13287-019-1330-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 06/19/2019] [Accepted: 07/07/2019] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Adipose-derived mesenchymal stem cells (ADMSC) are non-haematopoietic, fibroblast-like multipotent progenitor cells. They have the potential for trilineage (adipocyte, chondrocyte and osteocyte) differentiation as well as differentiation into endocrine pancreatic progenitors. In diabetic or cancer therapy, somatostatin (SST) expression plays a vital role. Small molecules such as valproic acid (VPA) and micronutrients like vitamin D3 have differentiation potential in ADMSC. Therefore, the aim of this study was to investigate the role of vitamin D3 machinery and its metabolic enzymes in ADMSC. Furthermore, the reprogramming effect of vitamin D3 and VPA was evaluated on somatostatin expression in pancreatic lineage differentiation. METHODS ADMSC were characterised based on their cell surface marker profile using flow cytometry. Specific adipogenic and osteogenic differentiation protocols were used in this study. Gene expression of several pluripotent, endodermal, pancreatic progenitor and pancreatic endocrine lineage markers were investigated in native ADMSC and after stimulation with different concentration of vitamin D3 for five consecutive days (0, 50, 100, 150 nM) and VPA (0.5, 1, 1.5, 2 mM) by real-time PCR. Furthermore, somatostatin expression was confirmed with ELISA and immunocytochemistry. RESULTS In ADMSC, the expression of somatostatin mRNA, the vitamin D receptor (VDR) and its metabolising enzymes 1 α-Hydroxylase, 24-Hydroxylase and 25-Hydroxylase were detected. Upon stimulation with vitamin D3, nuclear translocation of vitamin D receptor (VDR) was observed. Interestingly, the presence of vitamin D3 reduced the transcription of the somatostatin gene. By contrast, VPA treatment of cultivated ADMSC showed enhancing effect on somatostatin gene expression. No other pluripotent, endodermal, pancreatic progenitor or pancreatic endocrine lineage mRNA expression was modulated under the influence of vitamin D3 and VPA. CONCLUSION Human ADMSC carry the VDR. The vitamin D metabolising enzyme 25-Hydroxylase responded to the addition of vitamin D3. Moreover, our results demonstrate that somatostatin expression in ADMSC is constitutive, partially secreted and regulated by vitamin D3 and VPA.
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Affiliation(s)
- Luise Doering
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany
| | - Rahul Khatri
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany
| | - Sebastian Friedrich Petry
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany
| | - Heinrich Sauer
- Institute of Physiology, Justus Liebig University, Giessen, Germany
| | - Hans-Peter Howaldt
- Department of Oral and Maxillofacial Surgery, University Hospital of Giessen and Marburg, Klinikstrasse. 33, 35392, Giessen, Germany
| | - Thomas Linn
- Clinical Research Unit, Centre of Internal Medicine, Justus Liebig University, Friedrichstrasse. 20/ Aulweg 123, 35392, Giessen, Germany.
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Maud A, Khatri R, Chaudhry M, Vellipuram A, Cruz-Flores S, Rodriguez G. Transradial Access Results in Faster Skin Puncture to Reperfusion Time than Transfemoral Access in Posterior Circulation Mechanical Thrombectomy. J Vasc Interv Neurol 2019; 10:53-57. [PMID: 31308872 PMCID: PMC6613485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND Successful mechanical embolectomy for acute embolic arterial occlusion in the posterior cerebral circulation can potentially result in less neurologic disability and mortality. The transradial approach can potentially offer more direct navigation into the posterior circulation than the transfemoral approach and can result in faster recanalization time. OBJECTIVE To compare procedural metrics and the technical and clinical outcomes of transradial versus transfemoral access for mechanical embolectomy in the posterior cerebral circulation. MATERIAL AND METHODS Single-center retrospective review of a prospectively maintained neurointerventional database from a large volume neurointerventional service in a tertiary academic center. Patients presenting with acute disabling symptoms due to embolic occlusion of a large intracranial artery in the posterior that underwent to endovascular treatment in our institution from January 2017 to January 2019 were included in the present study. RESULTS Between January 2018 and January 2019 a total of 10 subjects underwent a mechanical embolectomy for acute embolic occlusion on the posterior circulation via transradial access; and between January 2017 and January 2018 a total of 10 subjects underwent a mechanical embolectomy for acute embolic occlusion on the posterior circulation via transfemoral access. Subjects in the transradial access group had a shorter skin puncture to recanalization time compared to the transfemoral group (29.2 ± 17.6 in the transradial group vs. 63.9 ± 56.7 in the transfemoral group respectively). CONCLUSIONS This is the first study comparing transradial versus transfemoral access for mechanical embolectomy in patients with acute embolic occlusion in the posterior cerebral circulation. Transradial access resulted in a safe, effective, and faster endovascular route for recanalization in the acute embolic occlusion of the posterior circulation.
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Affiliation(s)
- A. Maud
- Corresponding Author: Alberto Maud MD, Department of Neurology, Texas Tech University Health Sciences Center, 4800 Alberta Avenue El Paso, TX, 79905, USA. Tel.: (915) 929-8587.
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Maud A, Khatri R, Lin LM, Diaz OM, Vellipuram AR, Cruz-Flores S, Rodriguez GJ. Internal Carotid Artery Dilatation Induced by General Anesthesia: Technical Observation. J Vasc Interv Neurol 2018; 10:52-55. [PMID: 30746011 PMCID: PMC6350873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Affiliation(s)
- A Maud
- Department of Neurology, Texas Tech University Health Science Center, El Paso, TX, USA
| | - R Khatri
- Department of Neurology, Texas Tech University Health Science Center, El Paso, TX, USA
| | - L M Lin
- Department of Neurosurgery, University of California Irvine Medical Center, Orange, CA, USA
| | - O M Diaz
- Interventional Neuroradiology, Methodist Hospital, Houston, TX, USA
| | - A R Vellipuram
- Department of Neurology, Texas Tech University Health Science Center, El Paso, TX, USA
- Department of Neurosurgery, University of California Irvine Medical Center, Orange, CA, USA
- Interventional Neuroradiology, Methodist Hospital, Houston, TX, USA
| | - S Cruz-Flores
- Department of Neurology, Texas Tech University Health Science Center, El Paso, TX, USA
| | - G J Rodriguez
- Department of Neurology, Texas Tech University Health Science Center, El Paso, TX, USA
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Abstract
Pancreatic islet transplantation to reduce hyperglycemia is highly successful in rodents with chemically-induced diabetes. The most common transplantation site in experimental islet transplantation is the kidney capsule. However, as less is known about the interaction of pancreatic islets with blood constituents, it also makes sense to utilize the portal vein approach in experimental islet transplantation. This protocol demonstrates an intraportal islet transplantation technique in NMRI nude mice. Streptozotocin (180 mg/kg) is injected intraperitoneally to induce hyperglycemia in recipient mice. They are considered as diabetic at a non-fasting blood glucose level greater than 20 mmol/L. One day prior to transplantation, mouse pancreatic islets are isolated from the donor pancreas by collagenase digestion; a minimum of 350 islets are utilized per diabetic recipient. Depending upon the islet isolation yield, two or more donor mice are utilized per recipient. After overnight culture at 37 °C, islets are administered into the recipient liver via the portal vein. After surgery, the mice are protected in red Makrolon houses and observed until are awake. This protocol maintains glycemic control for 120 days in syngeneic mice and 15 days in allogeneic mice.
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Affiliation(s)
| | | | - Divya Rawat
- Third Medical Department, Clinical Research Lab
| | - Ali Osman Gürol
- Istanbul University Department of Immunology, Institute of Experimental Medicine (DETAE)
| | - Thomas Linn
- Third Medical Department, Clinical Research Lab;
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Jhanwar P, Parasher V, Khatri R, Gupta V. Giant Vesical Calculus in a Girl Child: Rare Case Report. MAMC J Med Sci 2018. [DOI: 10.4103/mamcjms.mamcjms_52_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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15
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16
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Karki U, Karki Y, Khatri R, Tillman A, Gurung N. 097 Grazing Behavior and Distribution Patterns of Kiko Wethers in Southern-Pine Silvopastures. J Anim Sci 2016. [DOI: 10.2527/ssasas2017.097] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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17
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Khatri R, Krishnan S, Roy S, Chattopadhyay S, Kumar V, Mukhopadhyay A. Reactive Oxygen Species Limit the Ability of Bone Marrow Stromal Cells to Support Hematopoietic Reconstitution in Aging Mice. Stem Cells Dev 2016; 25:948-58. [PMID: 27140293 PMCID: PMC4928131 DOI: 10.1089/scd.2015.0391] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
Aging of organ and abnormal tissue regeneration are recurrent problems in physiological and pathophysiological conditions. This is most crucial in case of high-turnover tissues, like bone marrow (BM). Using reciprocal transplantation experiments in mouse, we have shown that self-renewal potential of hematopoietic stem and progenitor cells (HSPCs) and BM cellularity are markedly influenced with the age of the recipient mice rather than donor mice. Moreover, accumulation of excessive reactive oxygen species (ROS) in BM stromal cells compared to HSPC compartment, in time-dependent manner, suggests that oxidative stress is involved in suppression of BM cellularity by affecting microenvironment in aged mice. Treatment of these mice with a polyphenolic antioxidant curcumin is found to partially quench ROS, thereby rescues stromal cells from oxidative stress-dependent cellular injury. This rejuvenation of stromal cells significantly improves hematopoietic reconstitution in 18-month-old mice compared to age control mice. In conclusion, this study implicates the role of ROS in perturbation of stromal cell function upon aging, which in turn affects BM's reconstitution ability in aged mice. Thus, a rejuvenation therapy using curcumin, before HSPC transplantation, is found to be an efficient strategy for successful marrow reconstitution in older mice.
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Affiliation(s)
- Rahul Khatri
- Stem Cell Biology Laboratory, National Institute of Immunology , New Delhi, India
| | - Shyam Krishnan
- Stem Cell Biology Laboratory, National Institute of Immunology , New Delhi, India
| | - Sushmita Roy
- Stem Cell Biology Laboratory, National Institute of Immunology , New Delhi, India
| | | | - Vikash Kumar
- Stem Cell Biology Laboratory, National Institute of Immunology , New Delhi, India
| | - Asok Mukhopadhyay
- Stem Cell Biology Laboratory, National Institute of Immunology , New Delhi, India
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18
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Khatri R, Karki U, Karki Y, Gurung N, Min BR. 037 Composition and Quality Assessment of the Woodland Browse Species and Goats' Performance Study under Woodland. J Anim Sci 2016. [DOI: 10.2527/ssasas2015-037] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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19
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Abstract
Career selection is a crucial and a complex process which is also true for the medical profession. In the context of our country, due to the limited opportunity and proper guidance, migration of medical graduates to foreign countries is increasing. Though, clinical subjects have a huge attraction, basic science field has failed to impress our medical graduates. In current scenario, basic science field seems to be a dumping site for the incompetent as the candidates who have failed trying their luck elsewhere stumble upon basic science careers though it is not true for all. Moreover, a very few medical graduates are interested in developing their career as a basic scientist. Therefore, to motivate today's young medical graduates, there is a need of a good mentor along with a proper career guidance which can help them to understand the basic science field as an alternative career.
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Affiliation(s)
- R Khatri
- Department of Clinical Biochemsitry, College of Medical Sciences Teaching Hospital Bharatpur, Chitwan
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20
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Hada R, Poudyal B, Sharma A, Khatri R. Lambda Light Chain Myeloma with Oliguric Cast Nephropathy and Remission with Bortezomib, Doxorubicin and Dexamethasone. JNMA J Nepal Med Assoc 2012. [DOI: 10.31729/jnma.378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
Abstract
Cast nephropathy is one of the major causes of renal failure in patients with multiple myeloma resulting from precipitation of free light chains inside the tubules. Timely diagnosis and treatment confers a better prognosis though around 10% of patients with cast nephropathy remain dialysis dependent in spite of treatment.We report the clinical course and outcome of a patient presenting with acute kidney injury and oliguria, preceded by acute gastroenteritis and intake of Chinese medications and dialysis dependent state for eight weeks. Kidney biopsy revealed cast nephropathy with lambda light chain restriction and severe tubular injury. Serum protein electrophoresis was normal with no “M spike” but serum free light chain ratio was altered with very high lambda and normal kappa light chain levels. Bone marrow biopsy showed >85% atypical plasma cells. Haemodialysis was continued and chemotherapy with bortezomib, doxorubicin and dexamethasone was started. Kidney function gradually improved with discontinuation of dialysis after 1 month and complete remission of acute kidney injury and myeloma in 4 months of chemotherapy.
Keywords: acute kidney injury; bortezomib; cast nephropathy; multiple myeloma.
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Abstract
Rheumatoid Arthritis may affect the auditory function and is a subject of debate. The exact etiopathogenesis is not known. However there is evidence of rt of synovial joints of ossicles. Rheumatoid Arthritis may involve the Aoditory system by producing conductive hearing loss, abnormal otoadmittance and sensorineural hearing loss. Patients with pre-existing ear disease were not included in the study. In the present study, effcet of Rheumatoid Arthritis on auditory function is observed. The Study was carried out on 25 patients of classical or definite Rheumatoid Arthritis and 16 controls at M.Y. Hospital, Indore.
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Affiliation(s)
- V K Poorey
- Lecturer in ENT, M.G.M. Medical College & M.Y. Hospital, G-2, Medical college Campus, 452 001 Indore, India
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22
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Abstract
We describe a simple technique that utilises local skin flaps of closure of a large tracheocutaneous-fistula with a adequate support to the tracheal wall by double breasting of local flaps, thus avoiding the post-operative respiratory problems that can occur due to a single flap projecting into the tracheal lumen during inspiration.This technique avoids the complications associated with primary closure of fistulae & also the morbidity of waiting for secondary closure to occur. It also precludes the need for a more extensive operation in the form of muscle flap rotation. The fistulous tract does not need to be excised but forms a component of the repair.
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Affiliation(s)
- R Khatri
- Department of Surgical Oncology, Tata Memorial Hospital, Mumbai, India
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23
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Hada R, Poudyal B, Sharma A, Khatri R. Lambda light chain myeloma with oliguric cast nephropathy and remission with bortezomib, doxorubicin and dexamethasone. JNMA J Nepal Med Assoc 2012; 52:192-195. [PMID: 23591252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/02/2023] Open
Abstract
Cast nephropathy is one of the major causes of renal failure in patients with multiple myeloma resulting from precipitation of free light chains inside the tubules. Timely diagnosis and treatment confers a better prognosis though around 10% of patients with cast nephropathy remain dialysis dependent in spite of treatment. We report the clinical course and outcome of a patient presenting with acute kidney injury and oliguria, preceded by acute gastroenteritis and intake of Chinese medications and dialysis dependent state for eight weeks. Kidney biopsy revealed cast nephropathy with lambda light chain restriction and severe tubular injury. Serum protein electrophoresis was normal with no "M spike" but serum free light chain ratio was altered with very high lambda and normal kappa light chain levels. Bone marrow biopsy showed >85% atypical plasma cells. Haemodialysis was continued and chemotherapy with bortezomib, doxorubicin and dexamethasone was started. Kidney function gradually improved with discontinuation of dialysis after 1 month and complete remission of acute kidney injury and myeloma in 4 months of chemotherapy.
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Affiliation(s)
- R Hada
- Department of Nephrology, National Academy of Medical Sciences, Bir Hospital and Blue Cross Hospital, Kathmandu, Nepal
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Hassan AE, Chaudhry SA, Miley JT, Khatri R, Hassan SA, Suri MFK, Qureshi AI. Microcatheter to recanalization (procedure time) predicts outcomes in endovascular treatment in patients with acute ischemic stroke: when do we stop? AJNR Am J Neuroradiol 2012; 34:354-9. [PMID: 22821922 DOI: 10.3174/ajnr.a3202] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Endovascular treatment for acute ischemic stroke consists of various mechanical and pharmacologic modalities used for recanalization of arterial occlusions. We performed this study to determine the relationship among procedure time, recanalization, and clinical outcomes in patients with acute ischemic stroke undergoing endovascular treatment. MATERIALS AND METHODS We analyzed data from consecutive patients with acute ischemic stroke who underwent endovascular treatment during a 6-year period. Demographic characteristics, NIHSS score before and 24 hours after the procedure, and discharge mRS score were ascertained. Procedure time was defined by the time interval between microcatheter placement and recanalization or completion of the procedure. We estimated the procedure time after which favorable clinical outcome was unlikely, even after adjustment for age, time from symptom onset, and admission NIHSS scores. RESULTS We analyzed 209 patients undergoing endovascular treatment (mean age, 65 ± 16 years; 109 [52%] men; mean admission/preprocedural NIHSS score, 15.3 ± 6.8). Complete or partial recanalization was observed in 176 (84.2%) patients, while unfavorable outcome (mRS 3-6) was observed in 138 (66%) patients at discharge. In univariate analysis, patients with procedure time ≤30 minutes had lower rates of unfavorable outcome at discharge compared with patients with procedure time ≥30 minutes (52.3% versus 72.2%, P = .0049). In our analysis, the rates of favorable outcomes in endovascularly treated patients after 60 minutes were lower than rates observed with placebo treatment in the Prourokinase for Acute Ischemic Stroke Trial. In logistic regression analysis, unfavorable outcome was positively associated with age (P = .0012), admission NIHSS strata (P = .0017), and longer procedure times (P = .0379). CONCLUSIONS Procedure time in patients with acute ischemic stroke appears to be a critical determinant of outcomes following endovascular treatment. This highlights the need for procedure time guidelines for patients being considered for endovascular treatment in acute ischemic stroke.
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Affiliation(s)
- A E Hassan
- Zeenat Qureshi Stroke Research Center, University of Minnesota, Minneapolis, Minnesota 55455, USA.
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25
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Abstract
Introduction: Ovarian cancer is the second most common genital tract malignancy accounting for 25% gynaecological malignancy. This study was conducted to determine the incidence, epidemiological factors and clinical presentation of different types of ovarian tumours their correlation with histopathology. Methods: This is a descriptive study conducted in Birendra Military Hospital over a period of 2 years. The case records of all the patients with ovarian tumur was analyzed. Results: Of the total of 135 adnexal masses cases 100 (74.07%) were found to be histologically proven ovarian tumour out of which 35 were non neoplastic conditions. Benign tumours comprised of 68 (68%) and 32 (32%) were malignant and borderline.Mature cystic teratoma 28 (75%) was the commonest benign tumour, whereas serous cystadenocarcinoma 13 (64.3%) were commonest malignancy. Age varying from 2.5 yrs. To 70 yrs. Smallest tumour size was 2.5 cm. largest was 40 cm. Commonest symptom was abdominal discomfort and most common sign was abdominal lump. Malignancy usually presented with ascites especially epithelial ovarian tumours. Germ cell tumour was observed in younger age group in earlier stage. Conclusion: The commonest ovarian tumor was epithelial followed by germcell. Mature cystic teratoma was the most common benign tumour and malignant was serous cyst adenocarcinoma. Epithelial ovarian tumour prevalent in perimenopausal and postmenopausal age group whereas germ cell in earlier age. DOI: http://dx.doi.org/10.3126/mjsbh.v10i1.6446 Medical Journal of Shree Birendra Hospital Jan-June 2011 10(1) 26-31
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Khatri R, Roka K. Prevalence of HIV/AIDS in Nepal Army and its Dependants. Med J Shree Birendra Hosp 2012. [DOI: 10.3126/mjsbh.v10i1.6445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Introduction: The Asia Pacific Region is currently at the “tip of iceberg” phase of the HIV/AIDS epidemic after African countries causing irreparable economic damage and undermining national and regional security if left unattended. HIV/AIDS remains a serious national concern and potential for epidemic relapse is high1. Continued vigilance is important. Study of the Prevalence of HIV/AIDS in Nepal Army (NA) and its dependants is based on the data collected from various sources to highlight the importance of ongoing measures plus the need of effective programs against HIV/AIDS control. Methods: This is a descriptive study and data are derived from February 1996 to March 2011 from the different sources. National Guideline for testing of HIV in Nepal, developed in 2003 was used for the diagnosis of the cases by blood tests in Birendra Hospital, Chhauni. Results: Total of 116 cases was diagnosed HIV positive. Maximum number of HIV positive cases was diagnosed in the year 2010 as compared to other years since 1996 and for the year 2011 till the month of March. The positive cases diagnosed from army personnel in UN Mission and blood donation programs accounted for 0.02% and 0.09% respectively. And from the surgical patients in the army hospital, 0.18% cases were diagnosed positive. From the year 2006 to 2010, 0.38% cases were diagnosed as positive among the voluntary counselling and testing (VCT) volunteers. Conclusion: HIV is a threat to the army, behaviour change and prevention is the key and it needs to be adapted to the best. Intensive training, massive awareness programs and behavioural issues start at the recruit level and need to be reinforced prior and during deployment with regular monitoring of the soldiers activities. DOI: http://dx.doi.org/10.3126/mjsbh.v10i1.6445 Medical Journal of Shree Birendra Hospital Jan-June 2011 10(1) 20-25
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Abstract
BACKGROUND Vitiligo is a common pigmentary disorder of the skin, affecting individuals globally. Not only is this ailment psychologically incapacitating, it also has a high incidence of autoimmunity, signifying that its manifestations may be the portrayal of dysfunction of immune system. OBJECTIVE The aim of this study is to find out the situations of abnormal thyroid function test (TFT) in vitiligo patients. METHODS A prospective cross sectional study was conducted at the Dhulikhel Hospital, KUTH, Dhulikhel during November 2008 to January 2011 with the objective to assess the thyroid function tests in vitiligo patients. RESULTS Total 66 vitiligo patients with male 30 (45%) and female 36 (55%). Total 26 (39.39%) vitiligo patients have been found to have abnormal thyroid function test. Among them 10 had abnormal T3, seven had abnormal T4 and 12 had abnormal TSH level. Thyroid function test were normal in other vitiligo patients. Total seven vitiligo had high level of T3 than normal value, four male and three female. Two had higher level of T4 above 2.0 ng/dl and all were male, while five had abnormally low level of T4 with three male and two female. There were seven vitiligo patient with increased T3 level and three with decreased T3 level, among them six were males and four were females, the age group was ranged from seven to 68 years old. The T4 level were found abnormal in seven vitiligo patients among which five were males and two were females with the age group ranging from 7 to 51 years. CONCLUSIONS There has been significant association of thyroid disorder in the patient with vitiligo. Therefore, patient with vitiligo need to undergo thyroid function test to rule out the thyroid disorder and prevent from long-term complications.
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Affiliation(s)
- K Subba
- Department of Paediatrics, B&B Hospital, Gwarko, Lalitpur, Nepal.
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28
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Maland E, Khatri R, Connelly B, Chaudhry S, Abbott E, Algiers L, Tekle W, Khan A, Hassan A, Qureshi A. A Novel Web Based Modified Rankin Scale Program for Certification and Patient Self Assessment Scoring in the Antihypertensive Treatment in Acute Cerebral Hemorrhage (ATACH II) Trial (P07.231). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p07.231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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29
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Siddiq F, Chaudhry S, Das P, Khatri R, Rodriguez G, Qureshi A. Occurrence and Prognostic Significance of Pseudodissection Phenomenon Associated with Acute Distal Internal Carotid Artery Occlusion (P07.011). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p07.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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30
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Rostambeigi N, Hassan A, Chaudhry S, Zacharatos H, Tekle W, Khatri R, Aleu A, Qureshi A. A Comparison of Endovascular Treatment with Intravenous Thrombolysis in Acute Ischemic Stroke Patients with Mild Deficits (P06.216). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.216] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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31
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Siddiq F, Chaudhry S, Watanabe M, Khatri R, Rodriguez G, Tummala R, Suri M, Qureshi A. Rate of Post-Procedural Stroke and Death in SAMMPRIS Trial Eligible Patients Treated with Intracranial Angioplasty and/or Stent Placement in Practice (P06.208). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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32
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Rostambeigi N, Hassan A, Chaudhry S, Khatri R, Rodriguez G, Suri F, Qureshi A. Determinants and Outcomes Associated with Withdrawal of Care Following Endovascular Treatment in Acute Ischemic Stroke Patients (P06.220). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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33
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Khatri R, Chaudhry S, Watanabe M, Jadhav V, Hassan A, Rodriguez G, Suri M, Qureshi A. Do Men and Women Undergoing Carotid Endarterectomy or Carotid Stent Placement in General Practice Have Different Outcomes (P06.203). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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34
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Hussein H, Chaudhry S, Khatri R, Majidi S, Rodriguez G, Suri M, Qureshi A. A Comparison of Carotid Artery Stent Placement Performed within and outside Clinical Trials in the United States (P06.206). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p06.206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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Khatri R, Rostambeigi N, Hassan A, Carlson B, Rodriguez G, Qureshi A. Use of Vascular Closure Devices outside Catheterization Laboratory after Neuro-Endovascular Procedures Is Safe and Effective (P05.254). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p05.254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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36
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Hassan S, Hassan A, Rostambeigi N, Grigoryan M, Chaudhry S, Cordina S, Khatri R, Qureshi A. A Critical Analysis of Intra-Arterial Thrombolytic Doses in Acute Ischemic Stroke Patients (P05.257). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.p05.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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37
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Hussein H, Chaudhry S, Khatri R, Majidi S, Rodriguez G, Suri M, Qureshi A. A Comparison of Carotid Artery Stent Placement Performed within and outside Clinical Trials in the United States (IN2-1.007). Neurology 2012. [DOI: 10.1212/wnl.78.1_meetingabstracts.in2-1.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
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38
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Khatri R, Ansar M, Sultan F, Chaudhry SA, Khan AA, Rodriguez GJ, Tummala RP, Qureshi AI. Requirements for emergent neurosurgical procedures among patients undergoing neuroendovascular procedures in contemporary practice. AJNR Am J Neuroradiol 2011; 33:465-8. [PMID: 22116112 DOI: 10.3174/ajnr.a2787] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND PURPOSE Provisions for an emergent neurosurgical procedure have been a mandatory component of centers that perform neuroendovascular procedures. We sought to determine the need for emergent neurosurgical procedures following neuroendovascular interventions in 2 comprehensive stroke centers in settings with such provisions. MATERIALS AND METHODS Analysis of retrospectively collected data from procedure logs and patient charts was performed to identify patients who required immediate (before the termination of the intervention) or adjunctive (within 24 hours of the intervention) neurosurgical procedures related to a neuroendovascular intervention complication. The types of neurosurgical procedures and in-hospital outcomes of identified patients are reported as an aggregate and per endovascular procedure-type analyses. RESULTS We reviewed a total of 933 neuroendovascular procedures performed during 3.5 years (2006-2010). A total of 759 intracranial procedures were performed. There was a need for emergent neurosurgical procedures in 8 patients (0.85% cumulative incidence and 1.05% for major intracranial procedures) (mean age, 46 years; 7 were women); the procedures were categorized as 3 immediate and 5 adjunctive procedures. There were 5 in-hospital deaths (62.5%) among these 8 patients. Neurosurgical procedures performed were external ventricular drainage placement in 6 (6 of 8, 75%) patients, decompressive craniectomy in 1 (12.5%) patient, and both surgical procedures in 1 (12.5%) patient. CONCLUSIONS The need for emergent neurosurgical procedures is very low among patients undergoing intracranial neuroendovascular procedures. Survival in such patients despite emergent neurosurgical procedures is quite low.
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Affiliation(s)
- R Khatri
- Zeenat Qureshi Stroke Research Center, University of Minnesota, Minneapolis, Minnesota 55455, USA.
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Khatri R, Mukhopadhyay K, Verma K, Sethuraman G, Sharma A. Genetic predisposition to parthenium dermatitis in an Indian cohort due to lower-producing genotypes of interleukin-10 (−) 1082 G>A and (−) 819 C>T loci but no association with interferon-γ (+) 874 A>T locus. Br J Dermatol 2011; 165:115-22. [DOI: 10.1111/j.1365-2133.2011.10248.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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40
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Gupta S, Khanal TR, Gupta N, Thakur A, Khatri R, Suwal A, Seomangal K. Knowledge, behavior and attitude towards sexually transmitted infections and acquired immunodeficiency syndrome of adolescent students. J Nepal Health Res Counc 2011; 9:44-47. [PMID: 22929712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND Adolescence is a period of great physical, mental and emotional turmoil within teenagers. The objective of the study was to assess the knowledge of, attitude to and behaviour towards STI and AIDS among adolescence. METHODS Four randomly selected higher secondary school from students of class XI and XII were included after taking their verbal consent. A pre-designed and pre-tested questionnaire was given to all the participants of the school. In order to get correct answers, specific questions were explained to the students with the help of their class teachers. RESULTS The results were encouraging with the majority (94.16%) have heard about STIs and HIV/AIDS. Teachers (100%), Newspaper/magazine (90%) and Television (78.33%) were the main informational source about disease. Respondents correctly identified that unsafe sexual contact (86.66%) as major mode of transmission of AIDS and more than 90% of students regarded the use of condoms as the true preventive method for the disease. Among those respondents 6% were sexually active and their partners were either sex worker (71%) or friends (29%). CONCLUSIONS The student's attitude towards disease was positive and most of the adolescent wished inclusion of sex education in their text book from secondary level school's curriculum.
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Affiliation(s)
- S Gupta
- Department of General Practice, United Mission Hospital, Palpa, Nepal.
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41
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Shrestha S, Kafle P, Akhter J, Acharya L, Khatri R, K C T. Allergic fungal rhinosinusitis in chronic rhinosinusitis. J Nepal Health Res Counc 2011; 9:6-9. [PMID: 22929703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND Rhinosinusitis is the inflammation of nasal and paranasal sinus mucosa and is associated with mucosal alteration ranging from inflammatory thickening or gross nasal polyp formation.The main objective of this study is to determine the prevalence of allergic fungal rhino sinusitis among the patients having chronic rhino sinusitis with or without polyps who under goes functional endoscopic sinus surgery. METHODS The patient with chronic rhinosinusitis with or without polyp who FESS were studied. Surgical specimens were sent for mycology and histopathological analysis for identification of fungus. RESULTS Headache 41(82%) and nasal block 45(90%) were the commonest clinical presentation. Out of 50 patients, fungal elements were detected by KOH in 8(16%) of cases and histopathological examination in 11(22%) of cases. CONCLUSIONS Allergic Fungal Rhinosinusitisis a common disorder in patients with chronic rhinosinusitis, it need different specific tests for the diagnosis, a more specific diagnostic tests are fungus culture, and IgE to fungal antigen and skin test are needed for definite diagnosis.
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Affiliation(s)
- S Shrestha
- Department of ENT, Head and Neck Surgery, Kathmandu Medical College Teaching Hospital, Nepal.
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42
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Parajuli S, Koirala U, Khatri R, Acharya L, Suwal A. Histomorphological spetrum of breast lesions. J Nepal Health Res Counc 2011; 9:48-51. [PMID: 22929713] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
BACKGROUND Cancer of the breast is the second most common cause of cancer in women. Mass in the breast, whether benign or malignant is a cause of anxiety to the patients and the family members. All breast lumps are considered to be carcinomas until proved otherwise and are the causes of concern both for the patient and surgeon. METHODS This is a retrospective study conducted in Kathmandu Model Hospital for a total duration of three years from August 2007 to August 2010. RESULTS 114 sample of breast tissue sent for histopathology were studied. Peak incidence of benign lesion was in between 21-30 years and malignant lesions in between 31-50 years. No breast lesions were seen in the first decade of life. Cancer of the breast was seen in 12.28% of cases. Fibroadenoma and fibrocystic disease were the commonest benign lesion and infiltrating ductal carcinoma was the commonest malignant lesion. Specimens from 10 male breasts were received. Gynaecomastia was the most common lesion encountered in males. Infiltrating ductal carcinoma was seen in a 70 year old male. CONCLUSIONS Breast cancer is one of the commonest causes of breast lump particularly in women and is growing public health problem in Nepal.
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43
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Khatri R, Khatri P, Khoury J, Broderick J, Carrozzella J, Tomsick T. Microcatheter contrast injections during intra-arterial thrombolysis increase intracranial hemorrhage risk. J Neurointerv Surg 2010; 2:115-9. [DOI: 10.1136/jnis.2009.000794] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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44
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Rana A, Gurung G, Amatya A, Khatri R. A simple new technique of performing myomectomy for a predominantly subserosal myoma quickly within few minutes. Kathmandu Univ Med J (KUMJ) 2007; 5:110-111. [PMID: 18603998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Removing a degenerated myoma located around the uterine cornu by an innovative technique shelling the myoma a little away from the base by choice of a low placed incision, advantageous in terms of no requirement of blood transfusion because of the reduction in the surgical time is described in a 24 years old lady demanding a fertility conserving surgery.
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Affiliation(s)
- A Rana
- Dept of Obs /Gyn, TU Teaching Hospital, Kathmandu, Nepal.
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45
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Khatri R. Human Immune Deficiency Virus-1: Diagnosis and Treatment in Adults and Adolescents. Med J Shree Birendra Hosp 2006. [DOI: 10.3126/mjsbh.v8i0.21044] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Human Immune Deficiency Virus-1: Diagnosis and Treatment in Adults and Adolescents
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46
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Khatri R, Gupta AN. Effect of childbirth on menstrual pattern. Indian J Med Res 1978; 67:66-72. [PMID: 658998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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47
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Wig NN, Gupta AN, Khatri R, Verma SK. A prospective study of psychiatric and menstrual disturbances following tubal ligation. Indian J Med Res 1977; 66:581-90. [PMID: 608724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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48
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Khatri R, Manandhar R, Pradhan N, Manandhar B, Rawal S. Chorioangioma of Placenta. Med J Shree Birendra Hosp 1970. [DOI: 10.3126/mjsbh.v9i2.5026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
We report a case of Chrioangima of placenta resulting to hydropsfetalis. A 24 yrs old primigravida with polyhydramnios and large placental chorioangioma at 24 wks of gestation expelled a nonimmune hydropic male baby weighing 900gms. The baby expired after 5 minutes of expulsion. Keywords: Placental chorioangioma; Hydropsfetalis; Polyhydraamnios DOI: http://dx.doi.org/10.3126/mjsbh.v9i2.5026 Medical Journal of Shree Birendra Hospital Vol.9(2) 2010: 44-46
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