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Agrawal A, Kohat AK, Sahu C, Kansal C, Fatima A. Headache and cerebral venous sinus thrombosis as a first presentation of mixed connective tissue disease: a rare case and literature review. Acta Neurol Belg 2024:10.1007/s13760-024-02548-3. [PMID: 38584238 DOI: 10.1007/s13760-024-02548-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Accepted: 03/23/2024] [Indexed: 04/09/2024]
Affiliation(s)
- Arpit Agrawal
- Department of Neurology, DKSPGI (Dau Kalyan Singh Postgraduate Institute), OPD Room No 05, Ground Floor, Raipur, Chhattisgarh, 492001, India.
| | - Abhijeet Kumar Kohat
- Department of Neurology, DKSPGI (Dau Kalyan Singh Postgraduate Institute), OPD Room No 05, Ground Floor, Raipur, Chhattisgarh, 492001, India
| | - Chandradev Sahu
- Department of Radiology, PTJNMMC (Pandit Jawahar Lal Nehru Memorial Medical College), Raipur, Chhattisgarh, India
| | - Chitrakshi Kansal
- Department of Pathology, All India Institute of Medical Sciences (AIIMS, Raipur), Raipur, Chhattisgarh, India
| | - Anam Fatima
- PTJNMMC (Pandit Jawahar Lal Nehru Memorial Medical College), Raipur, Chhattisgarh, India
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Rabah J, Nasrallah H, Wright K, Gérard I, Fensterbank H, Bui TTV, Marrot J, Tran TT, Fatima A, Ha-Thi MH, Méallet R, Burdzinski G, Clavier G, Boujday S, Cachet H, Debiemme-Chouvy C, Maisonhaute E, Vallée A, Allard E. Clicked BODIPY-Fullerene-Peptide Assemblies: Studies of Electron Transfer Processes in Self-Assembled Monolayers on Gold Surfaces. Chempluschem 2024:e202300717. [PMID: 38406894 DOI: 10.1002/cplu.202300717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/30/2024] [Accepted: 02/23/2024] [Indexed: 02/27/2024]
Abstract
Two BODIPY-C60 -peptide assemblies were synthesized by CuAAC reactions of BODIPY-C60 dyads and a helical peptide functionalized with a terminal alkyne group and an azide group, respectively. The helical peptide within these assemblies was functionalized at its other end by a disulfide group, allowing formation of self-assembled monolayers (SAMs) on gold surfaces. Characterizations of these SAMs, as well as those of reference molecules (BODIPY-C60 -alkyl, C60 -peptide and BODIPY-peptide), were carried out by PM-IRRAS and cyclic voltammetry. BODIPY-C60 -peptide SAMs are more densely packed than BODIPY-C60 -alkyl and BODIPY-peptide based SAMs. These findings were attributed to the rigid peptide helical conformation along with peptide-peptide and C60 -C60 interactions within the monolayers. However, less dense monolayers were obtained with the target assemblies compared to the C60 -peptide, as the BODIPY entity likely disrupts organization within the monolayers. Finally, electron transfer kinetics measurements by ultra-fast electrochemistry experiments demonstrated that the helical peptide is a better electron mediator in comparison to alkyl chains. This property was exploited along with those of the BODIPY-C60 dyads in a photo-current generation experiment by converting the resulting excited and/or charge separated states from photo-illumination of the dyad into electrical energy.
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Affiliation(s)
- Jad Rabah
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Houssein Nasrallah
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Karen Wright
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Isabelle Gérard
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Hélène Fensterbank
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Thi-Tuyet-Van Bui
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Jérôme Marrot
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Thu-Trang Tran
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Anam Fatima
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Minh-Huong Ha-Thi
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Rachel Méallet
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Gotard Burdzinski
- Adam Mickiewicz University, Poznan, Faculty of Physics Poznań, PL-61614, Poznan, Poland
| | - Gilles Clavier
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, PPSM, 91190, Gif-sur-Yvette, France
| | - Souhir Boujday
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005, Paris, France
| | - Hubert Cachet
- Laboratoire Interfaces et Systèmes Electrochimiques, Sorbonne Université, CNRS, 4 place Jussieu, 75005, Paris, France
| | - Catherine Debiemme-Chouvy
- Laboratoire Interfaces et Systèmes Electrochimiques, Sorbonne Université, CNRS, 4 place Jussieu, 75005, Paris, France
| | - Emmanuel Maisonhaute
- Laboratoire Interfaces et Systèmes Electrochimiques, Sorbonne Université, CNRS, 4 place Jussieu, 75005, Paris, France
| | - Anne Vallée
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
- Sorbonne Université, CNRS, Laboratoire de Réactivité de Surface (LRS), 4 place Jussieu, F-75005, Paris, France
| | - Emmanuel Allard
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
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Singh A, Subramanian A, Toh WH, Bhaskaran P, Fatima A, Sajid MS. Comprehensive systematic review on the self-gripping mesh vs sutured mesh in inguinal hernia repair. Surg Open Sci 2024; 17:58-64. [PMID: 38293004 PMCID: PMC10826810 DOI: 10.1016/j.sopen.2023.12.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 10/13/2023] [Revised: 12/17/2023] [Accepted: 12/27/2023] [Indexed: 02/01/2024] Open
Abstract
Objective The objective of this systematic review is to analyse the randomised control trials (RCTs) comparing the self-gripping mesh (SGM) with sutured mesh fixation (SMF) in open inguinal hernia repair. Materials and methods RCTs comparing SGM with SMF in open inguinal hernia repair were selected from medical electronic databases and analysis was performed using the principles of meta-analysis with RevMan version 5 statistical software. Results Seventeen RCTs involving 3863 patients were used for the final analysis. In the random effect model analysis, the operative time [mean difference - 7.72, 95 %, CI (-9.08, -6.35), Z = 11.07, P = 0.00001] was shorter for open inguinal hernia repair with SGM. However, there was noteworthy heterogeneity (Tau2 = 4.24; Chi2 = 1795.04, df = 12; (P = 0.00001; I2 = 99 %) among the included studies. The incidence of chronic groin pain [odds ratio 1.17, 95 %, CI (0.88, 1.54), Z = 1.09, P = 0.28], postoperative complications [odds ratio 0.92, 95 %, CI (0.73, 1.16), Z = 0.71, P = 0.48] and recurrence [odds ratio 1.31, 95 %, CI (0.80, 2.12), Z = 1.08, P = 0.28] were statistically similar between both groups, without heterogeneity. Conclusion SGM failed to demonstrate a clinical advantage over SMF in terms of perioperative outcomes although the duration of surgery was shorter in SGM.
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Affiliation(s)
- Anurag Singh
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
| | - Atreya Subramanian
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
| | - Wei H. Toh
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
| | - Premjithlal Bhaskaran
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
| | - Anam Fatima
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
| | - Muhammad S. Sajid
- Department of Gastrointestinal Surgery, Royal Sussex County Hospital Brighton, BN2 5BE, United Kingdom
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Bull TJ, Munshi T, Lopez-Perez PM, Tran AC, Cosgrove C, Bartolf A, Menichini M, Rindi L, Parigger L, Malanovic N, Lohner K, Wang CJH, Fatima A, Martin LL, Esin S, Batoni G, Hilpert K. Specific Cationic Antimicrobial Peptides Enhance the Recovery of Low-Load Quiescent Mycobacterium tuberculosis in Routine Diagnostics. Int J Mol Sci 2023; 24:17555. [PMID: 38139385 PMCID: PMC10743970 DOI: 10.3390/ijms242417555] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 11/20/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
The culture confirmation of Mycobacterium tuberculosis (MTB) remains the gold standard for the diagnosis of Tuberculosis (TB) with culture conversion representing proof of cure. However, over 40% of TB samples fail to isolate MTB even though many patients remain infectious due to the presence of viable non-culturable forms. Previously, we have shown that two short cationic peptides, T14D and TB08L, induce a hormetic response at low concentrations, leading to a stimulation of growth in MTB and the related animal pathogen Mycobacterium bovis (bTB). Here, we examine these peptides showing they can influence the mycobacterial membrane integrity and function through membrane potential reduction. We also show this disruption is associated with an abnormal reduction in transcriptomic signalling from specific mycobacterial membrane sensors that normally monitor the immediate cellular environment and maintain the non-growing phenotype. We observe that exposing MTB or bTB to these peptides at optimal concentrations rapidly represses signalling mechanisms maintaining dormancy phenotypes, which leads to the promotion of aerobic metabolism and conversion into a replicative phenotype. We further show a practical application of these peptides as reagents able to enhance conventional routine culture methods by stimulating mycobacterial growth. We evaluated the ability of a peptide-supplemented sample preparation and culture protocol to isolate the MTB against a gold standard routine method tested in parallel on 255 samples from 155 patients with suspected TB. The peptide enhancement increased the sample positivity rate by 46% and decreased the average time to sample positivity of respiratory/faecal sampling by seven days. The most significant improvements in isolation rates were from sputum smear-negative low-load samples and faeces. The peptide enhancement increased sampling test sensitivity by 19%, recovery in samples from patients with a previously culture-confirmed TB by 20%, and those empirically treated for TB by 21%. We conclude that sample decontamination and culture enhancement with D-enantiomer peptides offer good potential for the much-needed improvement of the culture confirmation of TB.
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Affiliation(s)
- Tim J. Bull
- Institute of Infection and Immunity, St. George’s, University of London, Cranmer Terrace, London SW17 0RE, UK (K.H.)
| | - Tulika Munshi
- Institute of Infection and Immunity, St. George’s, University of London, Cranmer Terrace, London SW17 0RE, UK (K.H.)
| | | | - Andy C. Tran
- Institute of Infection and Immunity, St. George’s, University of London, Cranmer Terrace, London SW17 0RE, UK (K.H.)
| | - Catherine Cosgrove
- St. George’s Hospital NHS Trust, Cranmer Terrace, London SW17 0RE, UK; (C.C.)
| | - Angela Bartolf
- St. George’s Hospital NHS Trust, Cranmer Terrace, London SW17 0RE, UK; (C.C.)
| | - Melissa Menichini
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy (L.R.); (S.E.); (G.B.)
| | - Laura Rindi
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy (L.R.); (S.E.); (G.B.)
| | - Lena Parigger
- Institute of Molecular Biosciences, Biophysics Division, University of Graz, Humboldstrasse 50/III, 800 Graz, Austria; (L.P.); (K.L.)
| | - Nermina Malanovic
- Institute of Molecular Biosciences, Biophysics Division, University of Graz, Humboldstrasse 50/III, 800 Graz, Austria; (L.P.); (K.L.)
| | - Karl Lohner
- Institute of Molecular Biosciences, Biophysics Division, University of Graz, Humboldstrasse 50/III, 800 Graz, Austria; (L.P.); (K.L.)
| | - Carl J. H. Wang
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia (A.F.); (L.L.M.)
| | - Anam Fatima
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia (A.F.); (L.L.M.)
| | - Lisandra L. Martin
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia (A.F.); (L.L.M.)
| | - Semih Esin
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy (L.R.); (S.E.); (G.B.)
| | - Giovanna Batoni
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy (L.R.); (S.E.); (G.B.)
| | - Kai Hilpert
- Institute of Infection and Immunity, St. George’s, University of London, Cranmer Terrace, London SW17 0RE, UK (K.H.)
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Naz S, Aroosh A, Raza N, Islam A, Fatima A, Ozbel Y, Toz S, Hayat O, Waseem S. Comparative analysis of the severity and progression of cutaneous leishmaniasis caused by Leishmania tropica in untreated and glucantime-treated patients. Acta Trop 2023; 248:107023. [PMID: 37717686 DOI: 10.1016/j.actatropica.2023.107023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 09/06/2023] [Accepted: 09/13/2023] [Indexed: 09/19/2023]
Abstract
Millions of people worldwide are affected by cutaneous leishmaniasis (CL), a disease that has a significant impact on morbidity and mortality. Understanding the immune responses responsible for tissue damage or the process of lesion healing plays a pivotal role in shaping optimal treatment strategies. In this study, we investigated immunological phenotypes for three groups: glucantime treated (n = 30) and untreated (n = 30) CL patients infected with Leishmania tropica (L. tropica), and healthy controls (n = 20). T-lymphocytes (CD4+ and CD8+), and B lymphocytes (CD14+ and CD19+) were isolated using antibody-conjugated microbeads and magnetic field isolation to achieve high purity. A higher significant difference was observed between T-lymphocytes (CD4+ and CD8+), and B-lymphocytes (CD14+ and CD19+) cells in CL-infected groups before and after treatment (p < 0.0001). When compared, there was also a significant difference among T-lymphocytes (CD4+ and CD8+), B lymphocytes (CD14+ and CD19+) p < 0.0001, p < 0.0005, and p < 0.0007, respectively between CL-infected individuals (before and after treatment) to controls. Our findings suggest that an increased proportion of these cells seen in treated patients may mediate healing, while it is also possible that they may contribute to tissue injury. Understanding the immune system and lesion size of CL can help develop immunotherapies and comprehend the evolution of this parasitic disease.
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Affiliation(s)
- Shumaila Naz
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan.
| | - Aiman Aroosh
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan
| | - Naeem Raza
- Department of Dermatology, Pak Emirates Military Hospital (MH), Rawalpindi, Pakistan
| | - Arshad Islam
- Department of Pathology, Government Lady Reading Hospital Medical Teaching Institution, Peshawar, Pakistan
| | - Anam Fatima
- Department of Medicine, Polyclinic Hospital, Islamabad, Pakistan
| | - Yusuf Ozbel
- Department of Parasitology, Faculty of Medicine, Ege University, Bornova, Izmir, Turkey
| | - Seray Toz
- Department of Parasitology, Faculty of Medicine, Ege University, Bornova, Izmir, Turkey
| | - Obaid Hayat
- Department of Biotechnology, Faculty of Chemical and Life Sciences, Abdul Wali Khan University, Mardan 23200, Pakistan
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Purwar S, Fatima A, Bhattacharyya H, Simhachalam Kutikuppala LV, Cozma MA, Srichawla BS, Komer L, Nurani KM, Găman MA. Toxicity of targeted anticancer treatments on the liver in myeloproliferative neoplasms. World J Hepatol 2023; 15:1021-1032. [PMID: 37900211 PMCID: PMC10600697 DOI: 10.4254/wjh.v15.i9.1021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/28/2023] [Revised: 08/06/2023] [Accepted: 08/18/2023] [Indexed: 09/22/2023] Open
Abstract
The liver has a central role in metabolism, therefore, it is susceptible to harmful effects of ingested medications (drugs, herbs, and nutritional supplements). Drug-induced liver injury (DILI) comprises a range of unexpected reactions that occur after exposure to various classes of medication. Even though most cases consist of mild, temporary elevations in liver enzyme markers, DILI can also manifest as acute liver failure in some patients and can be associated with mortality. Herein, we briefly review available data on DILI induced by targeted anticancer agents in managing classical myeloproliferative neoplasms: Chronic myeloid leukemia, polycythemia vera, essential thrombocythemia, and myelofibrosis.
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Affiliation(s)
- Shubhrat Purwar
- Department of Internal Medicine, Grant Government Medical College, Mumbai 400008, Maharashtra, India
| | - Anam Fatima
- Department of Internal Medicine, Pandit Jawaharlal Nehru Memorial Medical College, Raipur 492001, Chhattisgarh, India
| | | | | | - Matei-Alexandru Cozma
- Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest 050474, Romania
- Department of Gastroenterology, Colentina Clinical Hospital, Bucharest 020125, Romania
| | - Bahadar Singh Srichawla
- Department of Neurology, University of Massachusetts Chan Medical School, Worcester, MA 01655, United States
| | - Leah Komer
- Department of Psychiatry, University of Toronto, Toronto M5G 1V7, Ontario, Canada
| | | | - Mihnea-Alexandru Găman
- Faculty of Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest 050474, Romania
- Department of Hematology, Center of Hematology and Bone Marrow Transplantation, Fundeni Clinical Institute, Bucharest 022328, Romania.
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Fatima A, Smortsova Y, Falaise C, Leclerc N, Haouas M, Cadot E, Cordier S, Molard Y, Pino T, Dablemont C, Méallet R, Steenkeste K, Ha-Thi MH. Photoinduced electron transfer between a noble-metal-free [Mo 6I 8Cl 6] 2- cluster and polyoxometalates. Chem Commun (Camb) 2023; 59:10988-10991. [PMID: 37615655 DOI: 10.1039/d3cc03334a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Evidence for photoinduced intermolecular electron transfer from the excited state of the [Mo6I8Cl6]2- electron-rich cluster to polyoxometalates (POMs) is reported. We demonstrate that the global charge density of POMs affects the efficiency of electron transfer. This work paves the way for the rational design of photocatalytic systems using cluster-based complexes as robust noble-metal-free photosensitizers.
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Affiliation(s)
- Anam Fatima
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Yevheniia Smortsova
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45 Avenue des Etats Unis, Versailles 78035, Cedex, France.
| | - Clément Falaise
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45 Avenue des Etats Unis, Versailles 78035, Cedex, France.
| | - Nathalie Leclerc
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45 Avenue des Etats Unis, Versailles 78035, Cedex, France.
| | - Mohamed Haouas
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45 Avenue des Etats Unis, Versailles 78035, Cedex, France.
| | - Emmanuel Cadot
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45 Avenue des Etats Unis, Versailles 78035, Cedex, France.
| | - Stéphane Cordier
- Univ Rennes, CNRS, ISCR - UMR 6226, ScanMAT - UAR 2025, F-35000 Rennes, France
| | - Yann Molard
- Univ Rennes, CNRS, ISCR - UMR 6226, ScanMAT - UAR 2025, F-35000 Rennes, France
| | - Thomas Pino
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Céline Dablemont
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Rachel Méallet
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Karine Steenkeste
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Minh-Huong Ha-Thi
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
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Agrawal A, Kohat AK, Sahu C, Agrawal S, Fatima A. Syringobulbia with Syringomyelia Presenting as Unilateral Multiple Cranial Nerve Palsies with Ipsilateral Hemiparesis in an Adult: A Rare Case and Literature Review. Ann Indian Acad Neurol 2023; 26:601-603. [PMID: 37970290 PMCID: PMC10645265 DOI: 10.4103/aian.aian_33_23] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 02/24/2023] [Accepted: 02/25/2023] [Indexed: 11/17/2023] Open
Affiliation(s)
- Arpit Agrawal
- Department of Neurology, DKSPGI (Dau Kalyan Singh Postgraduate Institute), Raipur, Chhattisgarh, India
| | - Abhijeet K. Kohat
- Department of Neurology, DKSPGI (Dau Kalyan Singh Postgraduate Institute), Raipur, Chhattisgarh, India
| | - Chandradev Sahu
- Department of Radiology, PTJNMC (Pandit Jawahar Lal Nehru Medical College), Raipur, Chhattisgarh, India
| | - Shalabh Agrawal
- Department of General Medicine, PTJNMC (Pandit Jawahar Lal Nehru Medical College), Raipur, Chhattisgarh, India
| | - Anam Fatima
- Department of MBBS Student, PTJNMC (Pandit Jawahar Lal Nehru Medical College), Raipur, Chhattisgarh, India
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Naz S, Ali Z, Minhas A, Fatima A, Waseem S. Generation of dysbiotic microbiota in cutaneous Leishmaniasis and enhancement of skin inflammation. Microb Pathog 2023; 181:106202. [PMID: 37327948 DOI: 10.1016/j.micpath.2023.106202] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/18/2023]
Abstract
Cutaneous Leishmaniasis (CL) affects millions of people globally and has a significant impact on morbidity and mortality. Innate immune mediators are likely to influence the clinical phenotype of CL through primary responses that restrict or facilitate parasite spread. The aim of the study was to bring to attention the significance of microbiota in the development of CL and emphasized the necessity of including the role of microbiota in CL while promoting a One Health approach for managing diseases. To achieve this, we used 16S amplicon metagenome sequencing and QIIME2 pipeline to analyze the microbiome composition of CL-infected patients compared to non-infected, healthy subjects. 16S sequencing analysis showed serum microbiome was dominated by Firmicutes, Proteobacteria, Bacteroidota, and Actinobacteria. CL-infected individuals, Proteobacteria were the most prevalent (27.63 ± 9.79), with the relative abundance (10.73 ± 5.33) of Proteobacteria in control. Bacilli class was found to be the most prevalent in healthy controls (30.71 ± 8.44) while (20.57 ± 9.51) in CL-infected individuals. The class Alphaproteobacteria was found to be more in CL-infected individuals (5.47 ± 2.07) as compared to healthy controls (1.85 ± 0.39). The CL-infected individuals had a significantly lower relative abundance of the Clostridia class (p < 0.0001). An altered serum microbiome of CL infection and higher microbial abundance in the serum of healthy individuals was observed.
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Affiliation(s)
- Shumaila Naz
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Rawalpindi, 46000, Pakistan.
| | - Zain Ali
- ABO SCIENTIFIC, Chakri Road, Rawalpindi, Pakistan
| | - Azhar Minhas
- Department of Dermatology, Combined Military Hospital (CMH), Quetta, 87300, Pakistan
| | - Anam Fatima
- Department of Medicine, Polyclinic Hospital, Islamabad, Pakistan
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Zaidi S, Ahamad A, Fatima A, Ahmad I, Malhotra D, Al Muslem WH, Abdulaziz S, Nuhmani S. Immediate and Long-Term Effectiveness of Proprioceptive Neuromuscular Facilitation and Static Stretching on Joint Range of Motion, Flexibility, and Electromyographic Activity of Knee Muscles in Older Adults. J Clin Med 2023; 12:jcm12072610. [PMID: 37048693 PMCID: PMC10095393 DOI: 10.3390/jcm12072610] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/14/2023] [Accepted: 03/27/2023] [Indexed: 04/03/2023] Open
Abstract
Introduction and Objective: Previously, various stretching techniques were compared to study their effects on the different physiological parameters of hamstring muscles in the elderly population. There is no research that compares the immediate and long-term effects of proprioceptive neuromuscular facilitation-contract–relax (PNF-CR) and static stretching (SS) techniques on knee range of motion (ROM), hamstring flexibility, and knee flexor muscle EMG activity in the elderly. This study intends to compare the same. Methods: A total of 30 males aged 55–75 years were randomly assigned into the PNF-CR group (n = 10), SS group (n = 10), and control group (n = 10). The PNF-CR group received four trials of the contract–relax technique, the SS group received passive stretching of an 80 s duration by the therapist, and the control group received no intervention. A total of 12 sessions were given during the four-week period. Knee range of motion, electromyographic activity of the biceps femoris, and the sit-and-reach test were taken for the dominant side thrice: pre-intervention, immediately after stretching, and after the training period. Results: A statistically significant difference was observed in the maximum voluntary isometric contraction (MVIC) of biceps femoris between the PNF and the control groups (p = 0.01) after four weeks of intervention. The knee ROM and hamstring flexibility for the PNF group showed significant improvement immediately post-test (p = 0.01) and after four weeks of training (p = 0.07 and p = 0.001). SS showed significant results for both ROM and flexibility after four weeks of intervention (p = 0.001), and significant immediate post-test improvements were seen for ROM only (p = 0.007). Conclusions: PNF stretching has an immediate, as well as long-term, effect on knee ROM and hamstring flexibility, whereas it has only a long-term effect on muscle electromyographic activity. SS has an immediate, as well as long-term, effect on knee ROM and only a long-term effect on hamstring flexibility, without any immediate or long-term effects on muscle electromyographic activity.
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Affiliation(s)
- Sahar Zaidi
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi 110025, India
- Department of Physiotherapy, Jamia Hamdard, New Delhi 110062, India
| | - Asfak Ahamad
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Anam Fatima
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Irshad Ahmad
- Centre for Physiotherapy and Rehabilitation Sciences, Jamia Millia Islamia, New Delhi 110025, India
- Department of Physiotherapy, Faculty of Allied Health Sciences, Manav Rachna International Institute for Research and Studies, Faridabad 121004, India
| | - Deepak Malhotra
- Department of Physiotherapy, Jamia Hamdard, New Delhi 110062, India
- Correspondence: ; Tel.: +98-71666669
| | - Wafa Hashem Al Muslem
- Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Sahar Abdulaziz
- Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
| | - Shibili Nuhmani
- Department of Physical Therapy, College of Applied Medical Sciences, Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia
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Jamshaid H, Ud Din F, Nousheen K, Khan SU, Fatima A, Khan S, Choi HG, Khan GM. Corrigendum to 'Mannosylated imiquimod-terbinafine co-loaded transethosomes for cutaneous leishmaniasis; assessment of its anti-leishmanial potential, in vivo safety and immune response modulation' [Biomater. Adv. 145 (2023) 213266]. Biomater Adv 2023; 148:213350. [PMID: 36863258 DOI: 10.1016/j.bioadv.2023.213350] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
Affiliation(s)
- Humzah Jamshaid
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Fakhar Ud Din
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Kainat Nousheen
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Saif Ullah Khan
- Institute of Biotechnology and Microbiology, Bacha Khan University, Charsada, KPK, Pakistan
| | - Anam Fatima
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Lahore School of Clinical Pharmacy, Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Salman Khan
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Han Gon Choi
- College of Pharmacy, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 15588, South Korea.
| | - Gul Majid Khan
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan; Islamia College University, Peshawar, Khyber Pakhtunkhwa, Pakistan.
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Jamshaid H, Din FU, Nousheen K, Khan SU, Fatima A, Khan S, Choi HG, Khan GM. Mannosylated imiquimod-terbinafine co-loaded transethosomes for cutaneous leishmaniasis; assessment of its anti-leishmanial potential, in vivo safety and immune response modulation. Biomater Adv 2023; 145:213266. [PMID: 36577194 DOI: 10.1016/j.bioadv.2022.213266] [Citation(s) in RCA: 1] [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] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 12/04/2022] [Accepted: 12/17/2022] [Indexed: 12/24/2022]
Abstract
Current treatment options for cutaneous leishmaniasis are associated with myriad limiting factors including low penetration, poor efficacy, and drug toxicities. Herein, we reported imiquimod and terbinafine co-loaded mannosylated transethosomes (IMQ-TER-MTES) with enhanced cutaneous retention, macrophage targeting, anti-leishmanial potential, and dermal immunomodulation. IMQ-TER-MTES were optimized using Design Expert® followed by their loading into chitosan gel. Moreover, the antileishmanial response against amastigotes-infected macrophages and Leishmania-infected BALB/c mice was evaluated. Finally, the safety and immunomodulation activity of IMQ-TER-MTES gel was performed using BALB/c mice. Optimized IMQ-TER-MTES showed nano-sized particles with low poly-dispersibility index (PDI) and high drug entrapment. Mannosylation has augmented macrophage targeting and the internalization capability of TES. IMQ-TER-MTES showed significantly reduced IC50 value (19.56 ± 3.62 μg/ml), higher selectivity index (29.24), and synergism against Leishmania major (L. major) amastigotes. In L. major infected BALB/c mice, the cutaneous lesion healing potential of IMQ-TER-MTES was also elevated with reduced lesion size (1.52 ± 0.43 mm). Superior safety of IMQ-TER-MTES was observed in BALB/c mice along with adequate stimulation of dermal immune cells, in contrast to the ALDARA®. Moreover, incremented Nuclear factor Kappa-β (NF-κβ) and nitric oxide (NO) biosynthesis were observed with IMQ-TER-MTES.
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Affiliation(s)
- Humzah Jamshaid
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Fakhar Ud Din
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan.
| | - Kainat Nousheen
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Saif Ullah Khan
- Institute of Biotechnology and Microbiology, Bacha Khan University, Charsada, KPK, Pakistan
| | - Anam Fatima
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Lahore School of Clinical Pharmacy, Faculty of Pharmacy, University of Lahore, Lahore, Pakistan
| | - Salman Khan
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan
| | - Han Gon Choi
- College of Pharmacy, Hanyang University, 55 Hanyangdaehak-ro, Sangnok-gu, Ansan 15588, South Korea.
| | - Gul Majid Khan
- Nanomedicine Research Group, Department of Pharmacy Quaid-i-Azam University, 45320 Islamabad, Pakistan; Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, 45320 Islamabad, Pakistan; Islamia College University, Peshawar, Khyber Pakhtunkhwa, Pakistan.
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13
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Agrawal P, Saxena AK, Verma P, Yadav A, Sahni R, Parkar ZL, Jain N, Fatima A. Effectiveness of Foam Sclerotherapy in Treatment of Symptomatic Haemorrhoidal Diseases at a Tertiary Care Hospital, Agra, Uttar Pradesh, India: A Prospective Interventional Study. IJARS 2023. [DOI: 10.7860/ijars/2023/59502.2869] [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] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: Haemorrhoids is a very common condition in patients presenting to surgery Outpatient Department (OPD) with complaints of bleeding per rectum. Injection Foam Sclerotherapy has been established as a safe, simple and effective non surgical modality in treatment of symptomatic grade 1 and 2 haemorrhoids. Aim: To evaluate the effectiveness of foam sclerotherapy as a treatment modality in patients suffering with symptomatic Grade I and II Haemorrhoidal diseases. Materials and Methods: This prospective interventional study was conducted in General Surgery department of FH Medical College and Hospital, Agra, Uttar Pradesh, India between April 2021 to September 2021. A total of 42 patients with complaints of bleeding per rectum, and who were diagnosed as a case of Grade I or II internal haemorrhoids were included. 3% Polidocanol was used as the sclerosing agent for sclerotherapy. Effectiveness of sclerotherapy was evaluated, parameters assessed were bleeding per rectum, pain and pruritis with regular follow-ups of the patients at specific intervals. Results: Among 42 patients 29 (69.05%) patients had grade I haemorrhoids while 13 (30.95%) presented as a case of grade II haemorrhoidal disease. Among the patients with grade I haemorrhoids, 82.76% (24/29) were treated successfully after a single session of foam sclerotherapy while 53.85% (7/13) of the patients with grade II haemorrhoids were symptomatically relieved after a single session. The success rate after 2nd session of sclerotherapy was 100% (29/29) in patients diagnosed as a case of grade I haemorrhoids comparing it to 69.23% (9/13) in those with grade II haemorrhoids. The overall cure rate for either grade of haemorrhoid after three sessions of therapy was 95.24% (40/42). Conclusion: This study reflects that 3% polidocanol when used as a sclerosant agent was found to be cheap, safe and effective, and first line treatment modality in grade I and II haemorrhoids that can be done on outpatient basis with minimal complication.
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Fatima A, Kanth SS, Sireesha B. Computational, Equilibrium, Structural, and Biological Study of the Novel 1-Formyl-4-phenyl-3-semicarbazide and Its Complexes. RUSS J GEN CHEM+ 2022. [DOI: 10.1134/s1070363222120210] [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: 02/11/2023]
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15
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Rehan S, Asad A, Usman L, Fatima A, Hussain H, Nashwan A. Association of socioeconomic status and education with cerebral stroke – Are the poor nations at higher risk of cerebrovascular accidents? Ethics, Medicine and Public Health 2022; 25:100855. [DOI: 10.1016/j.jemep.2022.100855] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
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16
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Fatima A. Factors affecting Quality of Life among breast cancer survivors. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01373-9] [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: 11/19/2022]
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17
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Fatima A. Finding patient-reported deterrents to adjunct Breast Cancer screening among patients with dense breast tissues. A cross sectional study in Pakistan. Eur J Cancer 2022. [DOI: 10.1016/s0959-8049(22)01464-2] [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: 11/19/2022]
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18
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Imran B, Din FU, Ali Z, Fatima A, Khan MW, Kim DW, Malik M, Sohail S, Batool S, Jawad M, Shabbir K, Zeb A, Khan BA. Statistically designed dexibuprofen loaded solid lipid nanoparticles for enhanced oral bioavailability. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103904] [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: 10/31/2022]
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19
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Zafar A, Zafar M, Ahmad M, Khan AM, Mahmood T, Kilic O, Fatima A, Habib D, Sultana S, Majeed S, Attique R, Nabila. Microscopic (LM and SEM) visualization of pollen ultrastructure among honeybee flora from lower Margalla Hills and allied areas. Microsc Res Tech 2022; 85:3325-3338. [PMID: 35751607 DOI: 10.1002/jemt.24187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Revised: 05/05/2022] [Accepted: 06/10/2022] [Indexed: 11/08/2022]
Abstract
Microscopic visualization of micro-morphological characters were analyzed using a scanning electron microscopic (SEM) tool, which has proven to be very successful to analyze the pollen surface peculiarities. The significant goal of this research was to perform microscopic examination of pollen of some of the most frequently visited honeybee floral species around apiaries. Micro-morphological characterization of frequented honeybees foraged plants were discussed. A total of 15 species, belonging to 11 different families were identified for the foraging activities of honeybees, namely, Lantana camara, Jatropha integerrima, Helianthus annuus, Tecoma stans, Lagerstroemia indica, Duranta erecta, Cosmos sulphureus, Hymenocollis littoralis, Moringa oleifera, Cestrum nocturnum, Parthenium hysterophorus, Volkameria inermis, Catharanthus roseus, Malvastrum coromandelianum, and Citharexylum spinosum. The microscopic slides were prepared using the acetolysis method, and the qualitative and quantitative features were measured and described using microscopic tools. The pollen type sculpture varies from psilate scabrate to echinate and colpi from tricolpate to tetracolpate. Quantitative parameters such as polar diameter, mesocolpium distance, equatorial dimensions, aperture size, spine diameter, and exine thickness were calculated using IBM SPSS Statistics 20. The exine thickness was measured at its maximum in C. roseus (3.85 μm), whereas it was at its minimum of 0.90 μm in L. indica and D. erecta. Pollen fertility was estimated to be highest in H. annus (88%). The current research validates scanning microscopic features of pollen of the honeybee floral species, which is helpful for the accurate identification and commercializing of honey production to generate revenue for beekeepers through the exploration of bee floral diversity.
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Affiliation(s)
- Aqeela Zafar
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Zafar
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Mushtaq Ahmad
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan.,Pakistan Academy of Sciences, Islamabad, Pakistan
| | - Amir Muhammad Khan
- Department of Botany, University of Mianwali, Mianwali, Pakistan.,Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Tariq Mahmood
- Islamabad Wildlife Management Board, Islamabad, Pakistan
| | - Omer Kilic
- Department of Basic Science of Pharmacy, Pharmacy Faculty, Adıyaman University, Adıyaman, Turkey
| | - Anam Fatima
- Department of Botany, University of Mianwali, Mianwali, Pakistan
| | - Darima Habib
- Department of Botany, Rawalpindi Women University, Rawalpindi, Pakistan
| | - Shazia Sultana
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Salman Majeed
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Rafia Attique
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Nabila
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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Fatima A, Arif Khan M, Aslam S, Ashraf K, Khalid Mahmood A, Asif M, Shah S, Hussain N. Comparative evaluation of different techniques for herniorrhaphy in calves. Pol J Vet Sci 2022; 25:207-212. [PMID: 35861963 DOI: 10.24425/pjvs.2022.141804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Umbilical hernia is one of the most common problems in young calves. This problem occurs in dairy sector as well as in the local farmers. Present study was conducted to compare outcomes of four different techniques of herniorrhaphy. Twenty four young calves (n=24) were divided in 4 groups (A, B, C, and D) which underwent four different surgical techniques. Group A underwent vicryl plus suture material and pants-over-west technique, Group B underwent mesh application with Dexon suture material by using simple interrupted suture pattern, Group C underwent closed method with Nylon No. 3 suture material by using vertical mattress suture pattern and Group D underwent clamp application method with Silk No. 2 suture material by using simple interrupted suture pattern. The result showed that mesh application method was comparatively better with respect to feed intake, body weight gain and healing time. There was no reoccurrence with non-significant hematological changes (p≤0.05). It is concluded that mesh application method is safer than other three techniques and there are no systemic effects of this surgical intervention on calves' health.
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Affiliation(s)
- A Fatima
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - M Arif Khan
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - S Aslam
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - K Ashraf
- Department of Parasitology, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - A Khalid Mahmood
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - M Asif
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - S Shah
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
| | - N Hussain
- Department of Veterinary Surgery and Pet Sciences, University of Veterinary and Animal Sciences, Out fall road 54000, Lahore-Pakistan
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Fatima A, Rabah J, Allard E, Fensterbank H, Wright K, Burdzinski G, Clavier G, Sliwa M, Pino T, Méallet-Renault R, Steenkeste K, Ha-Thi MH. Selective population of triplet excited states in heavy-atom-free BODIPY-C 60 based molecular assemblies. Photochem Photobiol Sci 2022; 21:1573-1584. [PMID: 35612713 DOI: 10.1007/s43630-022-00241-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Accepted: 05/02/2022] [Indexed: 12/14/2022]
Abstract
Photophysical studies on a BODIPY-fullerene-distyryl BODIPY triad (BDP-C60-DSBDP) and its reference dyads (BODIPY-fullerene; BDP-C60 and distyryl BODIPY-fullerene; DSBDP-C60) are presented herein. In the triad, the association of the two chromophore units linked by a fullerene moiety leads to strong near UV-Visible light absorption from 300 to 700 nm. The triplet-excited state was observed upon visible excitation in all these assemblies, and shown to be localized on the C60 or BODIPY moieties. Using quantitative nanosecond transient absorption, we provide a complete investigation on the lifetime and formation quantum yield of the triplet-excited state. In the BDP-C60 dyad, the triplet excited state of C60 (τ = 7 ± 1 μs) was obtained with a quantum yield of 40 ± 8%. For the DSBDP-C60 dyad and BDP-C60-DSBDP triad, a longer-lived triplet excited state with a lifetime of around 250 ± 20 μs centered on the DSBDP moiety was formed, with respective quantum yields of 37 ± 8 and 20 ± 4%. Triplet-triplet annihilation up-conversion is characterized in the BDP-C60 dyad and the bichromophoric triad in the presence of perylene and DSBDP-monomer as respective annihilators. The photo-induced formation of a long-lived 3DSBDP* in the triad coupled with panchromatic light absorption offers potential applications as a heavy-atom-free organic triplet photosensitizer.
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Affiliation(s)
- Anam Fatima
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Jad Rabah
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Emmanuel Allard
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France.
| | - Hélène Fensterbank
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Karen Wright
- Université Paris-Saclay, UVSQ, CNRS, Institut Lavoisier de Versailles, 78000, Versailles, France
| | - Gotard Burdzinski
- Adam Mickiewicz Univ in Poznan, Fac Phys, Quantum Elect Lab, 61614, Poznan, Poland
| | - Gilles Clavier
- Université Paris-Saclay, ENS Paris-Saclay, CNRS, PPSM, 91190, Gif-sur-Yvette, France
| | - Michel Sliwa
- Univ. Lille, CNRS, UMR 8516, LASIRE, Laboratoire de Spectroscopie pour les Interactions, la Réactivité et l'Environnement, 59 000, Lille, France
| | - Thomas Pino
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France
| | - Rachel Méallet-Renault
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Karine Steenkeste
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
| | - Minh-Huong Ha-Thi
- Université Paris-Saclay, CNRS, Institut des Sciences Moléculaires d'Orsay, 91405, Orsay, France.
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22
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Fatima A, Madni TM, Anwar F, Janjua UI, Sultana N. Automated 2D Slice-Based Skull Stripping Multi-View Ensemble Model on NFBS and IBSR Datasets. J Digit Imaging 2022; 35:374-384. [PMID: 35083619 PMCID: PMC8921359 DOI: 10.1007/s10278-021-00560-0] [Citation(s) in RCA: 2] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 01/18/2023] Open
Abstract
This study proposed and evaluated a two-dimensional (2D) slice-based multi-view U-Net (MVU-Net) architecture for skull stripping. The proposed model fused all three TI-weighted brain magnetic resonance imaging (MRI) views, i.e., axial, coronal, and sagittal. This 2D method performed equally well as a three-dimensional (3D) model of skull stripping. while using fewer computational resources. The predictions of all three views were fused linearly, producing a final brain mask with better accuracy and efficiency. Meanwhile, two publicly available datasets-the Internet Brain Segmentation Repository (IBSR) and Neurofeedback Skull-stripped (NFBS) repository-were trained and tested. The MVU-Net, U-Net, and skip connection U-Net (SCU-Net) architectures were then compared. For the IBSR dataset, compared to U-Net and SC-UNet, the MVU-Net architecture attained better mean dice score coefficient (DSC), sensitivity, and specificity, at 0.9184, 0.9397, and 0.9908, respectively. Similarly, the MVU-Net architecture achieved better mean DSC, sensitivity, and specificity, at 0.9681, 0.9763, and 0.9954, respectively, than the U-Net and SC-UNet for the NFBS dataset.
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Affiliation(s)
- Anam Fatima
- Medical Imaging and Diagnostic Lab, National Centre of Artificial Intelligence, Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan.,Department of Computer Science, COMSATS University Islamabad (CUI), Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan
| | - Tahir Mustafa Madni
- Medical Imaging and Diagnostic Lab, National Centre of Artificial Intelligence, Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan. .,Department of Computer Science, COMSATS University Islamabad (CUI), Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan.
| | - Fozia Anwar
- Department of Health Informatics, COMSATS University Islamabad (CUI), Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan
| | - Uzair Iqbal Janjua
- Department of Computer Science, COMSATS University Islamabad (CUI), Park Road, Tarlai Kalan, Islamabad, 45550, Pakistan
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Fatima A, Veqar Z, Zaidi S, Tanwar T. Effects of scapular stabilization and upper limb proprioception as an adjunct to cervical stabilization in chronic neck pain patients: A randomized controlled trial. J Bodyw Mov Ther 2022; 29:291-301. [DOI: 10.1016/j.jbmt.2021.10.016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2021] [Revised: 08/30/2021] [Accepted: 10/30/2021] [Indexed: 11/24/2022]
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Yousaf HS, Abbas M, Ghani N, Chaudhary H, Fatima A, Ahmad Z, Yasin SA. A comparative assessment of air pollutants of smog in wagah border and other sites in Lahore, Pakistan. BRAZ J BIOL 2021; 84:e252471. [PMID: 34932634 DOI: 10.1590/1519-6984.252471] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Accepted: 09/02/2021] [Indexed: 11/21/2022] Open
Abstract
Smog has become the fifth season of Pakistan especially in Lahore city. Increased level of air pollutants (primary and secondary) are thought to be responsible for the formation of smog in Lahore. Therefore, the current study was carried out for the evaluation of air pollutants (primary and secondary) of smog in Wagah border particularly and other sites (Jail road, Gulburg) Lahore. For this purpose, baseline data on winter smog from March to December on primary and secondary air pollutants and meteorological parameters was collected from Environmental Protection Department and Pakistan Meteorological Department respectively. Devices being used in both departments for analysis of parameters were also studied. Collected data was further statistically analyzed to determine the correlation of parameters with meteorological conditions and was subjected to air quality index. According to results, PM 10 and PM 2.5 were found very high above the NEQS. NOx concentrations were also high above the permissible limits whereas SO2 and O3 were found below the NEQS thus have no roles in smog formation. Air Quality Index (AQI) of pollutants was PM 2.5(86-227), PM 10 (46-332), NOx (26-110), O3 (19-84) and SO2 (10-95). AQI of PM 2.5 remained between moderate to very unhealthy levels. AQI of PM 10 remained between good to hazardous levels. AQI of NOx remained between good to unhealthy for sensitive groups' levels. AQI of O3 and SO2 remained between good to moderate levels. Pearson correlation showed that every pollutant has a different relation with different or same parameters in different areas. It is concluded from the present study that particulate matter was much more responsible for smog formation. Although NOx also played role in smog formation. So there is need to reduce sources of particulate matter and NOx specifically in order to reduce smog formation in Lahore.
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Affiliation(s)
- H S Yousaf
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - M Abbas
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - N Ghani
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - H Chaudhary
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - A Fatima
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - Z Ahmad
- Lahore College of Women University, Department of Environmental Science, Jail Road, Lahore, Pakistan
| | - S A Yasin
- Lahore College of Women University, GDS Department, Jail Road, Lahore, Pakistan
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25
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Smortsova Y, Falaise C, Fatima A, Ha-Thi MH, Méallet-Renault R, Steenkeste K, Al-Bacha S, Chaib T, Assaud L, Lepeltier M, Haouas M, Leclerc N, Pino T, Cadot E. Time-Resolved Spectroscopy and High-Efficiency Light-Driven Hydrogen Evolution of a {Mo 3 S 4 }-Containing Polyoxometalate-Based System. Chemistry 2021; 27:17094-17103. [PMID: 34590748 DOI: 10.1002/chem.202102693] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Indexed: 11/05/2022]
Abstract
Polyoxothiometalate ions (ThioPOM) are active hydrogen-evolution reaction (HER) catalysts based on modular assembly built from electrophilic clusters {MoSx } and vacant polyoxotungstates. Herein, the dumbbell-like anion [{(PW11 O39 )Mo3 S4 (H2 O)3 (OH)}2 ]8- exhibits very high light-driven HER activity, while the active cores {Mo3 S4 } do not contain any exposed disulfido ligands, which were suspected to be the origin of the HER activity. Moreover, in the catalyst architecture, the two central {Mo3 S4 } cores are sandwiched by two {PW11 O39 }7- subunits that act as oxidant-resistant protecting groups and behave as electron-collecting units. A detailed photophysical study was carried out confirming the reductive quenching mechanism of the photosensitizer [Ir(ppy)2 (dtbbpy)]+ by the sacrificial donor triethanolamine (TEOA) and highlighting the very high rate constant of the electron transfer from the reduced photosensitizer to the ThioPOM catalyst. Such results provide new insights into the field of molecular catalytic systems able to promote high HER activity.
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Affiliation(s)
- Yevheniia Smortsova
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Clément Falaise
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Anam Fatima
- ISMO-CNRS UMR 8214, Université Paris-Saclay, Rue André Rivière, 91400, Orsay, France
| | - Minh-Huong Ha-Thi
- ISMO-CNRS UMR 8214, Université Paris-Saclay, Rue André Rivière, 91400, Orsay, France
| | | | - Karine Steenkeste
- ISMO-CNRS UMR 8214, Université Paris-Saclay, Rue André Rivière, 91400, Orsay, France
| | - Serge Al-Bacha
- ICMMO-CNRS UMR 8182, Université Paris-Saclay, Rue du Doyen Georges Poitou, 91400, Orsay, France
| | - Tesnim Chaib
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Loïc Assaud
- ICMMO-CNRS UMR 8182, Université Paris-Saclay, Rue du Doyen Georges Poitou, 91400, Orsay, France
| | - Marc Lepeltier
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Mohamed Haouas
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Nathalie Leclerc
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
| | - Thomas Pino
- ISMO-CNRS UMR 8214, Université Paris-Saclay, Rue André Rivière, 91400, Orsay, France
| | - Emmanuel Cadot
- ILV-CNRS UMR 8180, UVSQ, Université Paris-Saclay, 45, Avenue des Etats Unis, 78035, Versailles Cedex, France
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26
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Rabah J, Yonkeu L, Wright K, Vallée A, Méallet-Renault R, Ha-Thi MH, Fatima A, Clavier G, Fensterbank H, Allard E. Synthesis of a dual clickable fullerene platform and construction of a dissymmetric BODIPY-[60]Fullerene-DistyrylBODIPY triad. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132467] [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: 10/20/2022]
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27
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Kanwal K, Zafar M, Khan AM, Mahmood T, Abbas Q, Ozdemir FA, Ahmad M, Sultana S, Rozina, Fatima A, Aziz A, Niazi A. Implication of scanning electron microscopy and light microscopy for oil content determination and seed morphology of Verbenaceae. Microsc Res Tech 2021; 85:789-798. [PMID: 34582087 DOI: 10.1002/jemt.23950] [Citation(s) in RCA: 3] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 08/20/2021] [Accepted: 09/13/2021] [Indexed: 11/05/2022]
Abstract
Due to increase in energy catastrophe and accompanying environmental issues, the search for renewable and alternative energy resources is a fiercely disputed problem in the scientific world. Biodiesel has proven to be the finest sustainable alternative to gasoline. Because of their environment-friendly character and cost-effectiveness, nonedible oil-bearing seeds could be the possible resource for biodiesel production. Therefore, the present study uses scanning electron microscopy (SEM) to investigate and identify micromorphological features of six novel, nonedible oil-bearing seeds of Verbenaceae as potential biodiesel feed stocks. Selected seeds of Verbenaceae range in size from 1 to 5 mm in width and 1.8 to 6.4 mm in length, according to light microscopic studies. The oil content of seeds ranges from14 to 19%. Seed texture, color, shape, size, periclinal and anticlinal wall patterns, and cell outline are all more variable in SEM-mediated seed ultrastructure analyses. The findings of this work imply that SEM could be a useful method for revealing hidden micromorphological features in a variety of nonedible oil-producing seeds, which could aid to future investigation, proper identification, seed categorization, and authenticity. These seeds were hard to be identified by the native people due to their resemblance in seed color and shape, so there is a need to give a detailed description of seed characters for proper identification of these plants. This work will determine the new features of the seeds, which will be helpful in near future.
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Affiliation(s)
- Kainat Kanwal
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Zafar
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Amir Muhammad Khan
- Department of Botany, University of Mianwali, Mianwali, Pakistan.,Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Tariq Mahmood
- Department of Forestry, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Qamar Abbas
- Biological Sciences Department, Karakoram International University, Gilgit, Pakistan
| | - Fethi Ahmet Ozdemir
- Department of Molecular Biology and Genetics, Faculty of Science and Arts, Bingol University, Bingol, Turkey
| | - Mushtaq Ahmad
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Shazia Sultana
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Rozina
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Anam Fatima
- Department of Botany, University of Mianwali, Mianwali, Pakistan
| | - Aqsa Aziz
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Anmol Niazi
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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Akhtar A, Ahmad M, Mahmood T, Khan AM, Arfan M, Abbas Q, Zafar M, Sultana S, Batool R, Fatima A, Khan S, Aman Ullah S, Khan A. Microscopic characterization of petiole anatomy of Asteraceous taxa of Western Himalaya-Pakistan. Microsc Res Tech 2021; 85:591-606. [PMID: 34534384 DOI: 10.1002/jemt.23933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2021] [Revised: 08/21/2021] [Accepted: 08/29/2021] [Indexed: 11/10/2022]
Abstract
Petiole anatomy of 15 species of family Asteraceae was examined which aimed to investigate petiolar anatomical structures for species level identification. Shandon Microtome was used for petiole histological preparations. Both qualitative and quantitative features were studied under microscope which showed significant variation in petiole, collenchyma, parenchyma shape/size, vascular bundles arrangement/size, and vessel elements quantity. Artemisia japonica Thunb., Cirsium vulgare (Savi) Ten., Myriactis nepalensis Less., Seriphidium brevifolium Ling & Y.R.Ling, Taraxacum officinale (L.) Weber ex F.H.Wigg., and Xanthium strumarium L. showed winged petioles. Maximum length and width of upper and lower epidermis was found in Tagetes erecta L. which is 23.05 ± 0.89 μm, 24.9 ± 1.257 μm length and 21.75 ± 1.38067 μm, 22.75 ± 0.467 μm width, respectively. Petioles of Parthenium hysterophorus L. was longest one with 9.85 ± 10.45 μm while A. japonica Thunb. showed highest number of vessel elements. Maximum size of vascular bundles was found in T. erecta L. with 5.05 ± 14.25 μm. Artemisia annua L., C. vulgare (Savi) Ten, Cyanthillium cinereum (L.) H.Rob., Helianthus annus L., M. nepalensis Less., P. hysterophorus L., Senecio chrysanthemoides DC. have trichomes while Tussilago farfara L. has highest number of vascular bundles. All species have angular collenchyma type except M. nepalensis Less., P. hysterophorus L., S. brevifolium Ling & Y.R.Ling, Tagetes minuta L., T. officinale L., S. chrysanthemoides DC., and T. farfara L. Cluster analysis implemented that distinct plant species in cluster. Petiolar anatomical structures and taxonomic key will helpful for distinguishing Asteraceous taxa at genus and species level. This taxonomic significant investigation will also provide baseline to taxonomists for other Asteraceae studies and phylogenetic research.
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Affiliation(s)
- Anam Akhtar
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Mushtaq Ahmad
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan.,Pakistan Academy of Sciences, Islamabad, Pakistan
| | - Tariq Mahmood
- Department of Forestry, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Amir Muhammad Khan
- Department of Botany, University of Mianwali, Mianwali, Pakistan.,Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Arfan
- Department of Botany, University of Education Lahore Vehari Campus, Vehari, Pakistan
| | - Qamar Abbas
- Biological Sciences Department, Karakoram International University, Gilgit, Pakistan
| | - Muhammad Zafar
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Shazia Sultana
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Rabia Batool
- Government College for Women, Mianwali, Pakistan
| | - Anam Fatima
- Department of Botany, University of Mianwali, Mianwali, Pakistan
| | - Siraj Khan
- Department of Botany, Abdul Wali Khan University, Mardan, Pakistan
| | - Sher Aman Ullah
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
| | - Amjad Khan
- Department of Plant Sciences, Quaid-i-Azam University Islamabad, Islamabad, Pakistan
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29
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Abrar A, Sarwar S, Abbas M, Chaudhry H, Ghani N, Fatima A, Tahir A. Identification of locally isolated entomopathogenic Fusarium species from the soil of Changa Manga Forest, Pakistan and evaluation of their larvicidal efficacy against Aedes aegypti. BRAZ J BIOL 2021; 83:e246230. [PMID: 34495158 DOI: 10.1590/1519-6984.246230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 04/02/2021] [Indexed: 05/31/2023] Open
Abstract
Dengue fever vectored by the mosquito Aedes aegypti is one of the most rapidly spreading insect-borne diseases. Current reliance of dengue vector control is mostly on chemical insecticides. Growing insecticide resistance in the primary mosquito vector, Aedes aegypti, limits the effectiveness of vector control through chemical insecticides. These chemical insecticides also have negative environmental impacts on animals, plants and human health. Myco-biocontrol agents are naturally occurring organisms and are found to be less damaging to the environment as compared to chemical insecticides. In the present study, entomopathogenic potential of local strains of fungi isolated from soil was assessed for the control of dengue vector. Local fungal isolates presents better alternative to introducing a foreign biocontrol strain, as they may be better adapted to environmental conditions of the area to survive and may have more entomopathogenic efficacy against target organism. Larvicidal efficacy of Fusarium equiseti and Fusarium proliferatum was evaluated against Aedes aegypti. Local strains of F. equiseti (MK371718) and F. proliferatum (MK371715) were isolated from the soil of Changa Manga Forest, Pakistan by using insect bait method. Larvicidal activity of two Fusarium spp. was tested against forth instar larvae of A. aegypti in the laboratory, using concentrations 105, 106, 107 and 108 conidia /ml. LC50 values for F. equiseti after 24h, 48h, 72h and 96h of exposure were recorded as 3.8x 108, 2.9x107, 2.0x107, and 7.1x106 conidia /ml respectively while LC50 values for F. proliferatum were recorded as 1.21x108, 9.6x107, 4.2x107, 2.6x107 conidia /ml respectively after 24h, 48h, 72h and 96h of exposure. The results indicate that among two fungal strains F. equiseti was found to be more effective in terms of its larvicidal activity than F. proliferatum against larvae of A. aegypti.
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Affiliation(s)
- A Abrar
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
| | - S Sarwar
- Lahore College for Women University, Botany Department, Lahore, Pakistan
| | - M Abbas
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
| | - H Chaudhry
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
| | - N Ghani
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
| | - A Fatima
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
| | - A Tahir
- Lahore College for Women University, Environmental Science Department, Lahore, Pakistan
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30
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Potu BK, Atwa H, Nasr El-Din WA, Othman MA, Sarwani NA, Fatima A, Deifalla A, Fadel RA. Learning anatomy before and during COVID-19 pandemic: Students' perceptions and exam performance. Morphologie 2021; 106:188-194. [PMID: 34384681 PMCID: PMC9376010 DOI: 10.1016/j.morpho.2021.07.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 11/17/2022]
Abstract
The objective of our study was to explore the impact of COVID-19 pandemic on learning anatomy and to compare the students’ perceptions of “face-to-face” and “online” anatomy teaching, and to assess their impact on student's performance. We used a descriptive, cross-sectional, questionnaire-based study that focused on a single cohort of undergraduate medial students who attended anatomy demonstrations, at the College of Medicine and Medical Sciences, Arabian Gulf University (CMMS-AGU), both pre-pandemic (face-to-face) during 2019-2020 and the pandemic (online) during 2020-2021. Students who participated in this study responded in favor of face-to-face demonstrations for better understanding of the spatial orientation of body organs and systems, the visualization of the anatomical relations between structures, understanding the difficult anatomical structures, understanding the clinical correlations, and making them more confident about their practical exams. On the other hand, students were in favor of online demonstrations for retaining key information, confidence levels on discussing anatomy learning needs, effective utilization of demonstration time, and lower stress associated with the online learning. Regarding anatomy exam scores, statistically significant difference was found between mean scores of online and onsite exams in one of the two analyzed multiple choice questions tests. However, there was a statistically significant difference between the mean scores of objective structured practical examination of online and onsite exams in the two analyzed tests. Furthermore, the majority of the students who participated in the survey prefer a mixture of both face-to-face and online anatomy demonstrations during the pandemic and also in the post-COVID-19 era.
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Affiliation(s)
- B K Potu
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain
| | - H Atwa
- Medical Education Unit, College of Medicine and Medical Sciences, Arabian Gulf University, Manama, Bahrain; Medical Education Department, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - W A Nasr El-Din
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain; Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt.
| | - M A Othman
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain; Department of Histology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - N A Sarwani
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain
| | - A Fatima
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain
| | - A Deifalla
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain; Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
| | - R A Fadel
- Department of Anatomy, College of Medicine and Medical Sciences, Arabian Gulf University, 26671 Manama, Bahrain; Department of Human Anatomy and Embryology, Faculty of Medicine, Suez Canal University, Ismailia, Egypt
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Hussain A, Zafar M, Mahmood T, Khan AM, Arfan M, Ozdemir FA, Ahmad M, Yaseen G, Fatima A, Sultana S, Asif A. Anatomical characterization of 18 commercially important varieties of Phoenix dactylifera L. by using microscopy. Microsc Res Tech 2021; 84:2988-2999. [PMID: 34250676 DOI: 10.1002/jemt.23858] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/07/2021] [Accepted: 06/08/2021] [Indexed: 11/07/2022]
Abstract
Date palm (Phoenix dactylifera L.) is an important traditional crop having socioeconomic values. To best of literature review and our knowledge, there is a gap of taxonomic study on the role of morpho-anatomical features of date palm for correct identification of its varieties. With the advancement in the field of microscopy, anatomical features are considered very effective taxonomical markers. The present study was aimed to analyze the taxonomic variations using leaf epidermal anatomy and to highlight the importance of leaf epidermis to resolve identification ambiguities among the different varieties of date palms. The study includes analysis of leaf epidermal anatomy of 18 different commercial varieties of date palm collected from different areas of Pakistan. A diverse range of shape and size of epidermal cells, subsidiary cells, guard cells, stomata, stomatal pore was observed on abaxial as well as adaxial among studied date palm varieties via LM and found to be very helpful tool in discrimination of varieties. The shape of epidermal cells on both abaxial and adaxial surfaces varies including elongated, irregular, polygonal, curved, and spherical or sometime mixed of these. The values of stomatal indices on both surfaces showed wide variations.
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Affiliation(s)
- Amir Hussain
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Muhammad Zafar
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Tariq Mahmood
- Department of Forestry, College of Agriculture, University of Sargodha, Sargodha, Pakistan
| | - Amir Muhammad Khan
- Department of Botany, University of Mianwali, Mianwali, Pakistan.,Department of Botany, University of Sargodha, Sargodha, Pakistan
| | - Muhammad Arfan
- Department of Botany, University of Education Lahore Vehari Campus, Vehari, Pakistan
| | - Fethi Ahmet Ozdemir
- Faculty of Science and Art, Department of Molecular Biology and Genetics, Bingol University, Bingol, Turkey
| | - Mushtaq Ahmad
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Ghulam Yaseen
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Anam Fatima
- Department of Botany, University of Mianwali, Mianwali, Pakistan
| | - Shazia Sultana
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Amna Asif
- Department of Plant Sciences, Quaid-i-Azam University, Islamabad, Pakistan
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32
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Bondhon TA, Fatima A, Jannat K, Hasan A, Jahan R, Nissapatorn V, Wiart C, Pereira ML, Rahmatullah M. In silico screening of Allium cepa phytochemicals for their binding abilities to SARS and SARS-CoV-2 3C-like protease and COVID-19 human receptor ACE-2. Trop Biomed 2021; 38:214-221. [PMID: 34172713 DOI: 10.47665/tb.38.2.060] [Citation(s) in RCA: 4] [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] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Corona virus SARS-CoV-2-induced viral disease (COVID-19) is a zoonotic disease that was initially transmitted from animals to humans. The virus surfaced towards the end of December 2019 in Wuhan, China where earlier SARS (Severe Acute Respiratory Syndrome) had also surfaced in 2003. Unlike SARS, SARS-CoV-2 (a close relative of the SARS virus) created a pandemic, and as of February 24 2021, caused 112,778,672 infections and 2,499,252 deaths world-wide. Despite the best efforts of scientists, no drugs against COVID-19 are yet in sight; five vaccines have received emergency approval in various countries, but it would be a difficult task to vaccinate twice the world population of 8 billion. The objective of the present study was to evaluate through in silico screening a number of phytochemicals in Allium cepa (onion) regarding their ability to bind to the main protease of COVID-19 known as the 3C-like protease or 3CLpro, (PDB ID: 6LU7), 3CLpro of SARS (PDB ID: 3M3V), and human angiotensin converting enzyme-2 (ACE-2), [PDB ID: 1R42], which functions as a receptor for entry of the virus into humans. Molecular docking (blind docking, that is docking not only against any target pocket) were done with the help of AutoDockVina. It was observed that of the twenty-two phytochemicals screened, twelve showed good binding affinities to the main protease of SARS-CoV-2. Surprisingly, the compounds also demonstrated good binding affinities to ACE-2. It is therefore very likely that the binding affinities shown by these compounds against both 3CLpro and ACE-2 merit further study for their potential use as therapeutic agents.
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Affiliation(s)
- T A Bondhon
- Department of Biotechnology and Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka-1207, Bangladesh
| | - A Fatima
- Quest International University Perak, Ipoh, Malaysia
| | - K Jannat
- Department of Biotechnology and Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka-1207, Bangladesh
| | - A Hasan
- Department of Biotechnology and Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka-1207, Bangladesh
| | - R Jahan
- Department of Biotechnology and Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka-1207, Bangladesh
| | - V Nissapatorn
- chool of Allied Health Sciences, World Union for Herbal Drug Discovery (WUHeDD), and Research Excellence Center for Innovation and Health Products (RECIHP), Walailak University, Nakhon Si Thammarat, Thailand
| | - C Wiart
- School of Pharmacy, University of Nottingham Malaysia Campus, Selangor, Malaysia
| | - M L Pereira
- CICECO-Aveiro Institute of Materials and Department of Medical Sciences, University of Aveiro, Aveiro, Portugal
| | - M Rahmatullah
- Department of Biotechnology and Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka-1207, Bangladesh
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Rouai M, Fatima A, Malek B, Sassi W, Asma B, Asmahane S, Mokni M. Syndrome de POEMS : importance de l’examen dermatologique pour établir le diagnostic. Rev Med Interne 2021. [DOI: 10.1016/j.revmed.2021.03.109] [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: 11/26/2022]
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Rouai M, Sassi W, Fatima A, Asma B, Asmahane S, Mokni M. Syndrome de Wells : à propos de deux cas. Rev Med Interne 2021. [DOI: 10.1016/j.revmed.2021.03.206] [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: 10/21/2022]
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Khammouma F, Sassi W, Ben Slimane M, Asma B, Souissi A, Fatima A, Mokni M. COVID-19 révélée par un érythème noueux. Rev Med Interne 2021. [PMCID: PMC8191983 DOI: 10.1016/j.revmed.2021.03.065] [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] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
Abstract
Introduction Observation Discussion Conclusion
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Khammouma F, Sassi W, Ben Slimane M, Asma B, Souissi A, Fatima A, Mokni M. Morphée : à propos de 20 cas. Rev Med Interne 2021. [DOI: 10.1016/j.revmed.2021.03.203] [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: 11/26/2022]
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Bibi Z, Fatima A, Rani R, Maqbool A, Khan S, Naz S, Waseem S. Genetic characterization of Plasmodium vivax isolates from Pakistan using circumsporozoite protein (pvcsp) and merozoite surface protein-1 (pvmsp-1) genes as genetic markers. Malar J 2021; 20:112. [PMID: 33632220 PMCID: PMC7908770 DOI: 10.1186/s12936-021-03654-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [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: 05/25/2020] [Accepted: 02/16/2021] [Indexed: 03/06/2023] Open
Abstract
Background Plasmodium vivax contributes to over 70% malaria burden in Pakistan, but limited data exists on various aspects including genetic diversity of the parasite as compared to other parts of the world. Since the information about the genetic diversity of P. vivax assists to understand the population dynamics of the parasite, the current study was designed to understand population divergence of P. vivax in Pakistan using circumsporozoite protein (pvcsp) and merozoite surface protein-1 (pvmsp-1) genes as molecular markers. Methods The PCR for pvcsp and pvmsp-1 genes was carried out for 150 P. vivax isolates, followed by DNA sequencing of 35 and 30, respectively. Genetic diversity and polymorphism were analysed using ChromasPro, ClustalW, MEGA7, DnaSP v.5 and WebLogo programs. Results The PCR for pvcsp and pvmsp-1 genes was carried out for 150 P. vivax isolates and resulting the PCR products of 1100 bp for pvcsp and ~ 400 bp for pvmsp-1 genes, respectively. In the central-repeat region (CRR) of pvcsp gene, sequences comprised of four variable repeats of PRMs, out of which GDRADGQPA (PRM1), GDRAAGQPA (PRM2) were more extensively dispersed among the P. vivax isolates. Partial sequences (~ 400 bp) of block 2 of pvmsp-1 gene depicted high level of diversity. Conclusion The results revealed the polymorphism and genetic diversity especially at the CRR of pvcsp and block 2 of pvmsp-1 genes, respectively. The base-line data presented here warrants future studies to investigate more into the genetic diversity of P. vivax with large sample size from across the country for better understanding of population dynamics of P. vivax that will help to control malaria at individual and community level.
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Affiliation(s)
- Zainab Bibi
- Department of Molecular Biology, Virtual University of Pakistan, Lahore, Pakistan
| | - Anam Fatima
- Department of Medicine, Polyclinic Hospital, Islamabad, Pakistan
| | - Rehana Rani
- Department of Life Sciences, Abasyn University, Islamabad, Pakistan
| | - Ayesha Maqbool
- Department of Molecular Biology, Virtual University of Pakistan, Lahore, Pakistan
| | - Samea Khan
- Department of Molecular Biology, Virtual University of Pakistan, Lahore, Pakistan
| | - Shumaila Naz
- Department of Biological Sciences, National University of Medical Sciences, Rawalpindi, Pakistan.
| | - Shahid Waseem
- Alpha Genomics (Pvt) Ltd, Islamabad, Pakistan. .,ABO SCIENTIFIC, Dhamial Road, Rawalpindi, Pakistan.
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Callenberg C, Lyons A, Brok DD, Fatima A, Turpin A, Zickus V, Machesky L, Whitelaw J, Faccio D, Hullin MB. Super-resolution time-resolved imaging using computational sensor fusion. Sci Rep 2021; 11:1689. [PMID: 33462284 PMCID: PMC7813875 DOI: 10.1038/s41598-021-81159-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] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2020] [Accepted: 12/22/2020] [Indexed: 11/29/2022] Open
Abstract
Imaging across both the full transverse spatial and temporal dimensions of a scene with high precision in all three coordinates is key to applications ranging from LIDAR to fluorescence lifetime imaging. However, compromises that sacrifice, for example, spatial resolution at the expense of temporal resolution are often required, in particular when the full 3-dimensional data cube is required in short acquisition times. We introduce a sensor fusion approach that combines data having low-spatial resolution but high temporal precision gathered with a single-photon-avalanche-diode (SPAD) array with data that has high spatial but no temporal resolution, such as that acquired with a standard CMOS camera. Our method, based on blurring the image on the SPAD array and computational sensor fusion, reconstructs time-resolved images at significantly higher spatial resolution than the SPAD input, upsampling numerical data by a factor \documentclass[12pt]{minimal}
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\begin{document}$$4 \times 4$$\end{document}4×4 upsampling of experimental data. We demonstrate the technique for both LIDAR applications and FLIM of fluorescent cancer cells. This technique paves the way to high spatial resolution SPAD imaging or, equivalently, FLIM imaging with conventional microscopes at frame rates accelerated by more than an order of magnitude.
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Affiliation(s)
- C Callenberg
- Institute of Computer Science, University of Bonn, Bonn, Germany
| | - A Lyons
- School of Physics & Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom.
| | - D den Brok
- Institute of Computer Science, University of Bonn, Bonn, Germany
| | - A Fatima
- School of Physics & Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - A Turpin
- School of Computing Science, University of Glasgow, G12 8LT, Glasgow, United Kingdom
| | - V Zickus
- School of Physics & Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom
| | - L Machesky
- Cancer Research UK, Beatson Institute, Glasgow, United Kingdom
| | - J Whitelaw
- Cancer Research UK, Beatson Institute, Glasgow, United Kingdom
| | - D Faccio
- School of Physics & Astronomy, University of Glasgow, Glasgow, G12 8QQ, United Kingdom.
| | - M B Hullin
- Institute of Computer Science, University of Bonn, Bonn, Germany.
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Fatima A, Mishra S. Knowledge and Attitude of Dentists and Dental Students Towards Cone-Beam Computed Tomography. J Res Dent Maxillofac Sci 2020. [DOI: 10.29252/jrdms.5.4.26] [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: 10/31/2022] Open
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Fatima A. Cognition and gait in Parkinson's Disease. Parkinsonism Relat Disord 2020. [DOI: 10.1016/j.parkreldis.2020.06.114] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Fatima A, Malik AA, Akram MS, Tayyab MH, Afzal MF. An interesting and rare case of traumatic oesophagocutaneous fistula. J PAK MED ASSOC 2020; 70:1457-1459. [PMID: 32794508 DOI: 10.5455/jpma.39241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Oesophagocutaneous fistula is a very rare disorder. No case of oesophagocutaneous fistula after blunt trauma has been reported. In this report we present a case of 25-year-old nursing student seen at the Lahore General Hospital, Lahore, with a history of blunt trauma to the neck. She was initially diagnosed with supra-sternal abscess. A few days after the incision and drainage of this abscess, she developed discharge of water and food particles from the wound site. It was investigated and diagnosed as oesophagocutaneous fistula. Her neck exploration was done and fistulous tract was found communicating with the upper mid-esophagus. The tract was excised and sent for biopsy. Histopathology revealed non- caseating granulomas with no evidence of malignancy. A gene X-pert was done to rule out tuberculosis and it came out to be negative. Postoperatively, the patient is living a normal life. This is the first of its kind case of oesophagocutaneous fistula reported from our part of the world.
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Affiliation(s)
- Anam Fatima
- Department of Surgical Unit 1, Lahore General hospital, Lahore, Pakistan
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Ara SA, Fatima A. Acquired Immunity in Dentistry Students After Hepatitis B Vaccination. J Res Dent Maxillofac Sci 2020. [DOI: 10.29252/jrdms.5.3.33] [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: 10/31/2022] Open
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Fatima A, Shahid AR, Raza B, Madni TM, Janjua UI. State-of-the-Art Traditional to the Machine- and Deep-Learning-Based Skull Stripping Techniques, Models, and Algorithms. J Digit Imaging 2020; 33:1443-1464. [PMID: 32666364 DOI: 10.1007/s10278-020-00367-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Several neuroimaging processing applications consider skull stripping as a crucial pre-processing step. Due to complex anatomical brain structure and intensity variations in brain magnetic resonance imaging (MRI), an appropriate skull stripping is an important part. The process of skull stripping basically deals with the removal of the skull region for clinical analysis in brain segmentation tasks, and its accuracy and efficiency are quite crucial for diagnostic purposes. It requires more accurate and detailed methods for differentiating brain regions and the skull regions and is considered as a challenging task. This paper is focused on the transition of the conventional to the machine- and deep-learning-based automated skull stripping methods for brain MRI images. It is observed in this study that deep learning approaches have outperformed conventional and machine learning techniques in many ways, but they have their limitations. It also includes the comparative analysis of the current state-of-the-art skull stripping methods, a critical discussion of some challenges, model of quantifying parameters, and future work directions.
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Affiliation(s)
- Anam Fatima
- Medical Imaging and Diagnostics (MID) Lab, National Centre of Artificial Intelligence (NCAI), Department of Computer Science, COMSATS University Islamabad (CUI), Islamabad, 45550, Pakistan
| | - Ahmad Raza Shahid
- Medical Imaging and Diagnostics (MID) Lab, National Centre of Artificial Intelligence (NCAI), Department of Computer Science, COMSATS University Islamabad (CUI), Islamabad, 45550, Pakistan
| | - Basit Raza
- Medical Imaging and Diagnostics (MID) Lab, National Centre of Artificial Intelligence (NCAI), Department of Computer Science, COMSATS University Islamabad (CUI), Islamabad, 45550, Pakistan.
| | - Tahir Mustafa Madni
- Medical Imaging and Diagnostics (MID) Lab, National Centre of Artificial Intelligence (NCAI), Department of Computer Science, COMSATS University Islamabad (CUI), Islamabad, 45550, Pakistan
| | - Uzair Iqbal Janjua
- Medical Imaging and Diagnostics (MID) Lab, National Centre of Artificial Intelligence (NCAI), Department of Computer Science, COMSATS University Islamabad (CUI), Islamabad, 45550, Pakistan
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Fatima A, Holien JK, Tiwari C, Parker MW, Rodgers RJ, Martin LL. Sequence comparisons of cytochrome P450 aromatases from Australian animals predict differences in enzymatic activity and/or efficiency†. Biol Reprod 2020; 102:1261-1269. [PMID: 32179898 PMCID: PMC7253789 DOI: 10.1093/biolre/ioaa028] [Citation(s) in RCA: 0] [Impact Index Per Article: 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: 08/06/2019] [Revised: 02/01/2020] [Accepted: 02/25/2020] [Indexed: 11/14/2022] Open
Abstract
Aromatase (P450arom, CYP19A1) is the terminal enzyme in the synthesis of the steroid hormone family of estrogens. Not surprisingly, this enzyme has structural similarities between the limited number of species studied thus far. This study examined the structure of aromatases from four diverse Australian species including a marsupial (tammar wallaby; Macropus eugenii), monotreme (platypus; Ornithorhynchus anatinus), ratite (emu; Dromaius novaehollandiae) and lizard (bearded dragon; Pogona vitticeps). We successfully built homology models for each species, using the only crystallographically determined structure available, human aromatase. The amino acid sequences showed high amino acid sequence identity to the human aromatase: wallaby 81%, platypus 73%, emu 75% and bearded dragon at 74%. The overall structure was highly conserved among the five species, although there were non-secondary structures (loops and bends) that were variable and flexible that may result in some differences in catalytic activity. At the N-terminal regions, there were deletions and variations that suggest that functional distinctions may be found. We found that the active sites of all these proteins were identical, except for a slight variation in the emu. The electrostatic potential across the surfaces of these aromatases highlighted likely variations to the protein-protein interactions of these enzymes with both redox partner cytochrome P450 reductase and possibly homodimerization in the case of the platypus, which has been postulated for the human aromatase enzyme. Given the high natural selection pressures on reproductive strategies, the relatively high degree of conservation of aromatase sequence and structure across species suggests that there is biochemically very little scope for changes to have evolved without the loss of enzyme activity.
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Affiliation(s)
- Anam Fatima
- School of Chemistry, Monash University, Clayton, Victoria, Australia
| | - Jessica K Holien
- ACRF Rational Drug Discovery Centre, St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia
| | - Chandni Tiwari
- School of Chemistry, Monash University, Clayton, Victoria, Australia
| | - Michael W Parker
- ACRF Rational Drug Discovery Centre, St Vincent's Institute of Medical Research, Fitzroy, Victoria, Australia.,Department of Biochemistry and Molecular Biology, Bio21 Molecular Science and Biotechnology Institute, The University of Melbourne, Parkville, Victoria, Australia
| | - Raymond J Rodgers
- Discipline of Obstetrics and Gynaecology, School of Medicine, Robinson Research Institute, The University of Adelaide, SA, Australia
| | - Lisandra L Martin
- School of Chemistry, Monash University, Clayton, Victoria, Australia
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Malik AA, Khan RS, Khan RN, Shakeel O, Ahmed HH, Rahid U, Fatima A, Afzal MF, Khattak S, Syed AA. Lack of awareness among surgeons regarding safe use of electrosurgery. A cross sectional survey of surgeons in Pakistan. Ann Med Surg (Lond) 2020; 50:24-27. [PMID: 31938542 PMCID: PMC6953526 DOI: 10.1016/j.amsu.2019.11.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [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: 09/18/2019] [Revised: 11/20/2019] [Accepted: 11/25/2019] [Indexed: 11/16/2022] Open
Abstract
Objective To assess our surgeons perceptive regarding the safe usage of electrosurgical devices. Method ology: This cross sectional survey was carried out at two hospitals, A cancer hospital and a public sector general hospital. Consultants, fellows and senior residents (Resident year 3rd and year 4th) on the surgical floor were requested to fill up the questionnaire. Calculations were performed with Statistical Package for the Social Sciences (SPSS 20) for Windows version 20 statistical software. Data was described using median with minimum and maximum value for quantitative variables. For categorical variables, number of observations and percentages were reported. The study is complied with hospital guidelines on research involving human subjects. Results Out of 80 questionnaires 52 were filled and returned. 12 consultants, 16 fellows/Senior registrars and 24 senior residents filled their questionnaires. For the sake of anonymity no information was obtained regarding the level of training and experience. Total 12 questions were asked. An expert level was set for a score above 10/12. A moderate level was set at 8/12. A score of less than 8 was considered unsafe for using electrosurgical devices. Only 6 (11.5%) participants had an expert level of understanding. 16 (30.7%) had moderate understanding. 30 (57.7%) were considered unsafe regarding use of electrosurgical devices. 85% participants were not aware of the correct mode of current to use for coagulating vessels. 69% of surgeons would use electrocautery to control staple line bleeds. 67% participants weren't aware of the correct placement of dispersive electrode. 60% couldn't identify a safe device for use in patients with a pacemaker. 46% of surgeons would cut a dispersive electrode to fit it on a child. 69% believed that harmonic scalpel was a bipolar cautery. 61% couldn't differentiate between RFA and Microwave Ablation. 63% didn't know how to handle an operating room fire. Conclusion In these two hospitals, high level of ignorance noticed regarding the procedure and indications of basic electrosurgical equipment which needs raising awareness and further training. The first study to show the lack of understanding of electrosurgical devices among surgeons in Pakistan. Study was performed in 2 hospitals and included consultants, fellows and residents A survey was distributed and questions pertinent to the use of electrosurgical devices were asked. Surgical residents, fellows and consultants were equally unaware of how these devices work. Study highlights the need to start training courses for these devices.
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Fatima A, Sunguh KK, Abbas A, Mannan A, Hosseini S. Impact of pressure, self-efficacy, and self-competency on students' plagiarism in higher education. Account Res 2019; 27:32-48. [PMID: 31778079 DOI: 10.1080/08989621.2019.1699070] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
To explore students' plagiarism in higher level education, we designed a quantitative study and collected data from enrolled university students from Islamabad, the capital city of Pakistan. This was done by distributing a web-link for an online survey (Google form) through WhatsApp social media mobile software. We applied structural equation modeling (SEM) techniques by using IBM SPSS AMOS 24.0.0 software to analyze collected data. The research findings suggest that some human factors do in fact exist and that these factors drive students to engage in certain unethical practices of plagiarism. Apart from poor training and lack of skills on the students' part, the pressures and the self-efficacy they face as they engage in research practices can make students susceptible to plagiarize.
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Affiliation(s)
- Anam Fatima
- School of Public Affairs, University of Science and Technology of China, Hefei, People's Republic of China
| | - Kenneth Khavwandiza Sunguh
- School of Public Affairs, University of Science and Technology of China, Hefei, People's Republic of China
| | - Asad Abbas
- Writing Lab, TecLabs, Tecnologico de Monterrey, Monterrey, NL, Mexico
| | - Abdul Mannan
- Faculty of Health and Medicine, School of Biomedical Sciences and Pharmacy, University of Newcastle, Callaghan, NSW, Australia
| | - Samira Hosseini
- Writing Lab, TecLabs, Tecnologico de Monterrey, Monterrey, NL, Mexico.,School of Engineering and Sciences, Tecnologico de Monterrey, Monterrey, NL, Mexico
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Xu H, Gajda AM, Zhou YX, Panetta C, Sifnakis Z, Fatima A, Henderson GC, Storch J. Muscle metabolic reprogramming underlies the resistance of liver fatty acid-binding protein (LFABP)-null mice to high-fat feeding-induced decline in exercise capacity. J Biol Chem 2019; 294:15358-15372. [PMID: 31451493 DOI: 10.1074/jbc.ra118.006684] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2018] [Revised: 08/21/2019] [Indexed: 11/06/2022] Open
Abstract
Liver fatty acid-binding protein (LFABP) binds long-chain fatty acids with high affinity and is abundantly expressed in the liver and small intestine. Although LFABP is thought to function in intracellular lipid trafficking, studies of LFABP-null (LFABP-/-) mice have also indicated a role in regulating systemic energy homeostasis. We and others have reported that LFABP-/- mice become more obese than wildtype (WT) mice upon high-fat feeding. Here, we show that despite increased body weight and fat mass, LFABP-/- mice are protected from a high-fat feeding-induced decline in exercise capacity, displaying an approximate doubling of running distance compared with WT mice. To understand this surprising exercise phenotype, we focused on metabolic alterations in the skeletal muscle due to LFABP ablation. Compared with WT mice, resting skeletal muscle of LFABP-/- mice had higher glycogen and intramuscular triglyceride levels as well as an increased fatty acid oxidation rate and greater mitochondrial enzyme activities, suggesting higher substrate availability and substrate utilization capacity. Dynamic changes in the respiratory exchange ratio during exercise indicated that LFABP-/- mice use more carbohydrate in the beginning of an exercise period and then switch to using lipids preferentially in the later stage. Consistently, LFABP-/- mice exhibited a greater decrease in muscle glycogen stores during exercise and elevated circulating free fatty acid levels postexercise. We conclude that, because LFABP is not expressed in muscle, its ablation appears to promote interorgan signaling that alters muscle substrate levels and metabolism, thereby contributing to the prevention of high-fat feeding-induced skeletal muscle impairment.
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Affiliation(s)
- Heli Xu
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901.,Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901
| | - Angela M Gajda
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901.,Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901
| | - Yin Xiu Zhou
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901
| | - Cristina Panetta
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901
| | - Zoe Sifnakis
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901
| | - Anam Fatima
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901
| | - Gregory C Henderson
- Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901.,Department of Exercise Science, Rutgers University, New Brunswick, New Jersey 08901
| | - Judith Storch
- Department of Nutritional Sciences, Rutgers University, New Brunswick, New Jersey 08901 .,Rutgers Center for Lipid Research, Rutgers University, New Brunswick, New Jersey 08901
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Fatima A, Zaidi S. Identifying the severity of psychosocial symptoms among patients diagnosed with gastric tumors. Do we really need emotional support groups? Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.047] [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: 11/14/2022] Open
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Fatima A, Zaidi S. Finding the options of managing duodenal carcinoids in Pakistan. a retrospective study in a tertiary care setup. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.046] [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: 11/14/2022] Open
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Fatima A, Zaidi S. Identifying the nature of perforation in patients diagnosed with gastrointestinal lymphoma. Do we need early interventions? Ann Oncol 2019. [DOI: 10.1093/annonc/mdz155.048] [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: 11/12/2022] Open
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