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Ahmad MF, Ahmad FA, Hasan N, Alsayegh AA, Hakami O, Bantun F, Tasneem S, Alamier WM, Babalghith AO, Aldairi AF, Kambal N, Elbendary EY. Ganoderma lucidum: Multifaceted mechanisms to combat diabetes through polysaccharides and triterpenoids: A comprehensive review. Int J Biol Macromol 2024; 268:131644. [PMID: 38642691 DOI: 10.1016/j.ijbiomac.2024.131644] [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: 01/07/2024] [Revised: 04/13/2024] [Accepted: 04/14/2024] [Indexed: 04/22/2024]
Abstract
Diabetes is a chronic metabolic disorder. Diabetes complications can affect many organs and systems in the body. Ganoderma lucidum (G. lucidum) contains various compounds that have been studied for their potential antidiabetic effects, including polysaccharides, triterpenoids (ganoderic acids, ganoderol B), proteoglycans, and G. lucidum extracts. G. lucidum polysaccharides (GLPs) and triterpenoids have been shown to act through distinct mechanisms, such as improving glucose metabolism, modulating the mitogen-activated protein kinase (MAPK) system, inhibiting the nuclear factor-kappa B (NF-κB) pathway, and protecting the pancreatic beta cells. While GLPs exhibit a significant role in controlling diabetic nephropathy and other associated complications. This review states the G. lucidum antidiabetic mechanisms of action and potential biologically active compounds that contribute to diabetes management and associated complications. To make G. lucidum an appropriate replacement for the treatment of diabetes with fewer side effects, more study is required to completely comprehend the number of physiologically active compounds present in it as well as the underlying cellular mechanisms that influence their effects on diabetes.
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Affiliation(s)
- Md Faruque Ahmad
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia.
| | - Fakhruddin Ali Ahmad
- Department of Basic and Applied Science, School of Engineering and Science, G.D Goenka University, Gurugram 122103, Haryana, India
| | - Nazim Hasan
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P. O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia.
| | - Abdulrahman A Alsayegh
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Othman Hakami
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P. O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia
| | - Farkad Bantun
- Department of Microbiology and Parasitology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Shadma Tasneem
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P. O. Box. 114, Jazan 45142, Saudi Arabia
| | - Waleed M Alamier
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P. O. Box. 114, Jazan 45142, Saudi Arabia; Nanotechnology research unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Saudi Arabia
| | - Ahmad O Babalghith
- Department of Medical Genetics, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Abdullah F Aldairi
- Department of Clinical Laboratory Sciences, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Nahla Kambal
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
| | - Ehab Y Elbendary
- Department of Clinical Nutrition, College of Applied Medical Sciences, Jazan University, Jazan, Saudi Arabia
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2
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Yimer M, Ansari SN, Berehe BA, Gudimella KK, Gedda G, Girma WM, Hasan N, Tasneem S. Adsorptive removal of heavy metals from wastewater using Cobalt-diphenylamine (Co-DPA) complex. BMC Chem 2024; 18:23. [PMID: 38287347 PMCID: PMC10826029 DOI: 10.1186/s13065-024-01128-z] [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: 07/19/2023] [Accepted: 01/16/2024] [Indexed: 01/31/2024] Open
Abstract
Heavy metals like Cadmium, Lead, and Chromium are the pollutants emitted into the environment through industrial development. In this work, a new diphenylamine coordinated cobalt complex (Co-DPA) has been synthesized and tested for its efficiency in removing heavy metals from wastewater, and its adsorption capacity was investigated. The effectiveness of heavy metals removal by Co-DPA was evaluated by adjusting the adsorption parameters, such as adsorbent dose, pH, initial metals concentration, and adsorption period. Heavy metal concentrations in real sample were 0.267, 0.075, and 0.125 mg/L for Cd2+, Pb2+, and Cr3+ before using as-synthesized Co-DPA to treat wastewater. After being treated with synthesized Co-DPA the concentration of heavy metals was reduced to 0.0129, 0.00028, 0.00054 mg/L for Cd2+, Pb2+, and Cr3+, respectively, in 80 min. The removal efficiency was 95.6%, 99.5%, and 99.5% for the respective metals. The adsorption process fitted satisfactorily with Freundlich isotherm with R2(0.999, 0.997, 0.995) for Cd2+, Pb2+, and Cr3+, respectively. The kinetic data obeyed the pseudo-second order for Cd2+ and Cr2+ and the pseudo-first order for Pb2+. Based on the results obtained within the framework of this study, it is concluded that the as-synthesized Co-DPA is a good adsorbent to eliminate heavy metal ions like Cd2+, Pb2+, and Cr3+from wastewater solution. In general, Co-DPA is a promising new material for the removal of heavy metal ions from water.
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Affiliation(s)
- Mesfin Yimer
- Department of Chemistry, College of Natural Science, Wollo University, P.O. Box:1145, Dessie, Ethiopia
| | - Shagufi Naz Ansari
- Department of Chemistry, School of Engineering, Presidency University, Bangalore, Karnataka, 560064, India
| | - Biniyam Abdu Berehe
- Department of Chemistry, College of Natural Science, Wollo University, P.O. Box:1145, Dessie, Ethiopia
| | - Krishna Kanthi Gudimella
- Department of Chemistry, School of Science, GITAM (Deemed to Be University), Rudraram, Telangana, 502329, India
| | - Gangaraju Gedda
- Central Research Laboratory, K S Hegde Medical Academy, NITTE (Deemed to Be University), Deralakatte, Mangaluru, Karnataka, 575018, India.
- Department of Animal Science & Technology and BET Research Institute, Chung-Ang University, Anseong, Gyeonggi-do, 17546, Republic of Korea.
| | - Wubshet Mekonnen Girma
- Department of Chemistry, College of Natural Science, Wollo University, P.O. Box:1145, Dessie, Ethiopia.
| | - Nazim Hasan
- Department of Chemistry, College of Science, Jazan University, P.O. Box 114, Jazan, 45142, Kingdom of Saudi Arabia
| | - Shadma Tasneem
- Department of Chemistry, College of Science, Jazan University, P.O. Box 114, Jazan, 45142, Kingdom of Saudi Arabia
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3
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Siddiquee A, Parray Z, Anand A, Tasneem S, Hasan N, Alamier WM, Ageeli AA, Wani FA, Singh P, Patel R. Binding Study of Antibacterial Drug Ciprofloxacin with Imidazolium-Based Ionic Liquids Having Different Halide Anions: A Spectroscopic and Density Functional Theory Analysis. ACS Omega 2023; 8:42699-42710. [PMID: 38024745 PMCID: PMC10653064 DOI: 10.1021/acsomega.3c05100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 10/06/2023] [Accepted: 10/09/2023] [Indexed: 12/01/2023]
Abstract
Herein, we have shown the interaction of an antibiotic drug ciprofloxacin (CIP) with three surface-active ionic liquids (ILs), having the same cation and different anions, namely, 1-decyl-3-methylimidazoliumtetrafluoroborate [C10mim][BF4], 1-decyl-3-methylimidazolium bromide [C10mim][Br], and 1-decyl-3-methylimidazolium chloride [C10mim][Cl]. This study has been performed by exploiting various spectroscopic techniques such as steady-state fluorescence, time-resolved fluorescence, and UV-visible spectroscopy. The fluorescence emission study of CIP with ILs was performed at various concentrations of all the three ILs. The emission spectra of CIP decreased in the presence of ILs, suggesting complex formation between CIP-IL. The effect of different concentrations of ILs on the emission spectra of CIP was exploited in terms of quenching and binding parameters. Further, fluorescence emission study was validated by the time-resolved fluorescence technique by measuring the average lifetime (τavg) of CIP in the presence of all the three ILs. The τavg value of the drug changed with the addition of ILs, which suggests complex formation between the drug and ILs. This complex formation was also confirmed by UV-visible spectroscopy results of CIP with all the three ILs. Further, for evaluating the thermodynamic parameters of the CIP-IL interactions, isothermal titration calorimetry (ITC) was performed. The ITC experiment yielded the thermodynamic parameters, ΔH (change in the enthalpy of association), ΔG (Gibbs free energy change), ΔS (entropy change), and binding constant (Ka). The binding parameters driven by ITC revealed that CIP-IL interactions are spontaneous in nature and enthalpy-driven, involving hydrophobic forces. Further, the classical density functional theory (DFT) calculations were performed, which provided deep insight for CIP-IL complex formation.
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Affiliation(s)
- Abrar Siddiquee
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Zahoor Parray
- Department
of Chemistry, IIT Delhi, Hauz Khaus Campus, New Delhi 110016, India
| | - Aashima Anand
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Shadma Tasneem
- Department
of Chemistry, Faculty of Science, Jazan
University, P.O. Box 2097, Jazan 45142, Saudi Arabia
| | - Nazim Hasan
- Department
of Chemistry, Faculty of Science, Jazan
University, P.O. Box 2097, Jazan 45142, Saudi Arabia
| | - Waleed M. Alamier
- Department
of Chemistry, Faculty of Science, Jazan
University, P.O. Box 2097, Jazan 45142, Saudi Arabia
| | - Abeer A. Ageeli
- Department
of Chemistry, Faculty of Science, Jazan
University, P.O. Box 2097, Jazan 45142, Saudi Arabia
| | - Farooq Ahmad Wani
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, New Delhi 110025, India
| | - Prashant Singh
- Department
of Chemistry, ARSD College, Delhi University, New Delhi 110021, India
| | - Rajan Patel
- Biophysical
Chemistry Laboratory, Centre for Interdisciplinary Research in Basic
Sciences, Jamia Millia Islamia, New Delhi 110025, India
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Ali A, Ansari NH, Farooq U, Tasneem S, Nabi F. Study of Intermolecular Interactions of CTAB with Amino Acids at Different Temperatures: A Multi Technique Approach. Z PHYS CHEM 2018. [DOI: 10.1515/zpch-2017-1070] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The densities, ρ, viscosities, η and specific conductivities κ, of (0.0002, 0.0004, 0.0006 and 0.0008 m) CTAB in 0.1 m aqueous valine, leucine and isoleucine were measured at different temperatures. The measured data were used to calculate various useful thermodynamic parameters. A complete characterization of any mixture can be performed by means of these thermodynamic properties. The apparent molar volume, ϕv
, partial molar volume,
ϕ
v
0
$\phi _v^0$
and partial molar isobaric expansibilities,
ϕ
E
0
,
$\phi _E^0,$
were calculated using density data. The viscosity data were analyzed using Jones–Dole equation to obtain viscosity coefficients, A- and B-, free energy of activation per mole of solvent, Δμ
1°∗, and solute, Δμ
2°∗, enthalpy, ΔH
∗ and entropy, ΔS
∗ of activation of viscous flow. Measuring the changes in these properties has been found to be an excellent qualitative and quantitative way to obtain information regarding the molecular structure and intermolecular interactions occurring in these mixtures. Various structure-making/breaking ability of solute (cetyltrimethylammonium bromide) in presence of aqueous amino acid solutions were discussed. In addition, fluorescence study using pyrene as a photophysical probe has been carried out, the results of which support the conclusions obtained from other techniques.
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Affiliation(s)
- Anwar Ali
- Department of Chemistry , Jamia Millia Islamia (Central University) , New Delhi 110025 , India
| | - Nizamul Haque Ansari
- Department of Chemistry , Arni School of Basic Sciences , Arni University , Kathgarh, Himachal Pradesh , India
| | - Ummer Farooq
- Department of Chemistry , Jamia Millia Islamia (Central University) , New Delhi 110025 , India
| | - Shadma Tasneem
- Department of Chemistry , Faculty of Applied Medical Science , Jazan University , Jazan P.O. Box 114 , Kingdom of Saudi Arabia
| | - Firdosa Nabi
- Department of Chemistry , Faculty of Science , University of Malaya , 50603 Kuala Lumpur , Malaysia
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Nabi A, Tasneem S, Jesudason CG, Lee VS, Zain SBM. Study of interaction between cationic surfactant (CTAB) and paracetamol by electrical conductivity, tensiometric and spectroscopic methods. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.01.185] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Hayward CPM, Tasneem S, Rivard GE. Thrombopoietin levels in Quebec platelet disorder-Implications for the mechanism of thrombocytopenia. Int J Lab Hematol 2018; 40:e33-e34. [PMID: 29388746 PMCID: PMC5873450 DOI: 10.1111/ijlh.12781] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2017] [Accepted: 01/09/2018] [Indexed: 10/28/2022]
Affiliation(s)
- C P M Hayward
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada.,Department of Medicine, McMaster University, Hamilton, ON, Canada.,Hamilton Regional Laboratory Medicine Program, Hamilton, ON, Canada
| | - S Tasneem
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - G E Rivard
- Division of Hematology/Oncology, Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
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Tasneem S. Hydration and Solvation Effect of Glycine and Glycylglycine Molecules with β-Cyclodextrin in Aqueous Media. A Thermodynamic Characteristic of Interaction. Z PHYS CHEM 2017. [DOI: 10.1515/zpch-2016-0895] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Abstract
The densities, ρ and viscosities, η have been measured for DL- glycine (Gly) and glycylglycine (Gly-Gly) in aqueous β cyclodextrin, (β-CD) at temperature 298.15, 303.15, 308.15, 313.15 and 318.15 K. Interaction between macrocyclic β-CD and amino acids was studied by two independent technique: density and viscosity. The two different intensive properties are used to obtain various thermodynamic characteristics of the material behavior. Using the measured density data the apparent molar volumes, Vϕ
, partial molar volume at infinite dilution,
V
ϕ
ο
,
$V_\phi ^o,$
experimental slope, SV
, isobaric expansibility,
ϕ
E
0
,
$\phi _E^0,$
and the partial molar volume of transfer at infinite dilution,
Δ
V
ϕ
(
t
r
)
ο
$\Delta V_{\phi (tr)}^o$
have been obtained. Moreover, the Falkenhagen’s theoretical coefficient, A, Jones-Dole coefficient, B, free energies of activation of viscous flow per mole of solvent,
Δ
μ
1
ο
#
$\Delta \mu _1^{o\# }$
and per mole of solute,
Δ
μ
2
ο
#
,
$\Delta \mu _2^{o\# },$
enthalpy, ΔHo
# and entropy, ΔSo
# of activation of viscous flow have been evaluated by using viscosity data. The negative value of transfer volume for Gly and Gly-Gly in aqueous β-CD suggests that the hydrophobic-hydrophilic and hydrophobic-hydrophobic interactions are predominating over ionic-hydrophilic and hydrophilic-hydrophilic interactions. The results indicate the formation of a stable complexation between the β-CD cavity and structural hydration effect of amino acids on the thermodynamic of their interactions in solutions.
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Affiliation(s)
- Shadma Tasneem
- Department of Chemistry, Faculty of Medicine , Jazan University , Jazan , P.O. Box 114, Saudi Arabia , KSA
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Nabi F, Tasneem S, Bidhuri P, Malik NA, Itoo FA, Ali A. Physico-Chemical Properties of Binary Liquid Mixtures of n-Hexane + Acrylic Esters (C 4, C 5, C 6, C 7) at Different Temperatures. CHEM ENG COMMUN 2016. [DOI: 10.1080/00986445.2015.1095739] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Akhter SN, Khondker NS, Tasneem S. Atypical post operative discharging sinus - a case report. Mymensingh Med J 2015; 24:424-426. [PMID: 26007279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Surgical site infections (SSIs) are the second most common health care associated infection reported to the National Health Safety Network of the centre of disease control and prevention. SSIs by Mycobacterium tuberculosis are uncommon and diagnosis can be missed. Our patient had primary tuberculosis at surgical site without any evidence of tuberculosis at initial investigation. She presented with repeated discharging sinus at the wound of elective lower uterine caesarean section (LUCS). The case was diagnosed by histo-pathological evidence of chronic granulomatous lesion suggestive of tuberculosis from the excised tissue from wound and detection of acid fast bacilli (AFB) from swab by Ziehl Neelsen staining. After proper diagnosis the patient was treated with anti-tubercular drugs regiment for six months as per schedule of national guidelines for management of tuberculosis of Bangladesh Government. Then the patient was cured from unusual long sufferings.
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Affiliation(s)
- S N Akhter
- Dr Syeda Nazia Akhter, Assistant Professor, Department of Gynae & Obs, ICMH, Dhaka, Bangladesh
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Ali A, Tasneem S, Bidhuri P, Bhushan V, Malik NA. Critical micelle concentration and self-aggregation of hexadecyltrimethylammonium bromide in aqueous glycine and glycylglycine solutions at different temperatures. Russ J Phys Chem 2012. [DOI: 10.1134/s0036024412130031] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Hayward CPM, Moffat KA, Castilloux JF, Liu Y, Seecharan J, Tasneem S, Carlino S, Cormier A, Rivard GE. Simultaneous measurement of adenosine triphosphate release and aggregation potentiates human platelet aggregation responses for some subjects, including persons with Quebec platelet disorder. Thromb Haemost 2012; 107:726-34. [PMID: 22234747 DOI: 10.1160/th11-10-0740] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2011] [Accepted: 11/12/2011] [Indexed: 01/08/2023]
Abstract
Platelet aggregometry and dense granule adenosine triphosphate (ATP) release assays are helpful to diagnose platelet disorders. Some laboratories simultaneously measure aggregation and ATP release using Chronolume® a commercial reagent containing D-luciferin, firefly luciferase and magnesium. Chronolume® can potentiate sub-maximal aggregation responses, normalising canine platelet disorder findings. We investigated if Chronolume® potentiates human platelet aggregation responses after observing discrepancies suspicious of potentiation. Among patients simultaneously tested by light transmission aggregometry (LTA) on two instruments, 18/43 (42%), including 14/24 (58%) with platelet disorders, showed full secondary aggregation with one or more agonists only in tests with Chronolume®. As subjects with Quebec platelet disorder (QPD) did not show the expected absent secondary aggregation responses to epinephrine in tests with Chronolume®, the reason for the discrepancy was investigated using samples from 10 QPD subjects. Like sub-threshold ADP (0.75 μM), Chronolume® significantly increased QPD LTA responses to epinephrine (p<0.0001) and it increased both initial and secondary aggregation responses, leading to dense granule release. This potentiation was not restricted to QPD and it was mimicked adding 1-2 mM magnesium, but not D-luciferin or firefly luciferase, to LTA assays. Chronolume® potentiated the ADP aggregation responses of QPD subjects with a reduced response. Furthermore, it increased whole blood aggregation responses of healthy control samples to multiple agonists, tested at concentrations used for the diagnosis of platelet disorders (p values <0.05). Laboratories should be aware that measuring ATP release with Chronolume® can potentiate LTA and whole blood aggregation responses, which alters findings for some human platelet disorders, including QPD.
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Affiliation(s)
- C P M Hayward
- 1Department of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada.
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Alam K, Tasneem S, Oliveras E. Retention of female volunteer community health workers in Dhaka urban slums: a case-control study. Health Policy Plan 2011; 27:477-86. [DOI: 10.1093/heapol/czr059] [Citation(s) in RCA: 46] [Impact Index Per Article: 3.5] [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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Tasneem S, Adam F, Minullina I, Pawlikowska M, Hui SK, Zheng S, Miller JL, Hayward CPM. Platelet adhesion to multimerin 1 in vitro: influences of platelet membrane receptors, von Willebrand factor and shear. J Thromb Haemost 2009; 7:685-92. [PMID: 19175495 DOI: 10.1111/j.1538-7836.2009.03284.x] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
BACKGROUND Multimerin 1 (MMRN1) is a large, homopolymeric adhesive protein, stored in platelets and endothelium, that when released, binds to activated platelets, endothelial cells and the extracellular matrix. OBJECTIVES The goals of our study were to determine if (i) MMRN1 supports adhesion of resting and/or activated platelets under conditions of blood flow, and (ii) if MMRN1 enhances platelet adhesion to types I and III collagen. PATIENTS/METHODS Platelet adhesion was evaluated using protein-coated microcapillaries, with or without added adhesive proteins and receptor antibodies. Platelets from healthy controls, Glanzmann thrombasthenia (GT) and severe von Willebrand factor (VWF)-deficient donors were tested. RESULTS MMRN1 supported the adhesion of activated, but not resting, washed platelets over a wide range of shear rates. At low shear (150 s(-1)), this adhesion was supported by integrins alphavbeta3 and glycoprotein (GP) Ibalpha but it did not require integrins alphaIIbbeta3 or VWF. At high shear (1500 s(-1)), adhesion to MMRN1 was supported by beta3 integrin-independent mechanisms, involving GPIbalpha and VWF, that did not require platelet activation when VWF was perfused over MMRN1 prior to platelets. MMRN1 bound to types I and III collagen, independent of VWF, however, its enhancing effects on platelet adhesion to collagen at high shear were VWF dependent. CONCLUSIONS MMRN1 supports platelet adhesion by VWF-dependent and -independent mechanisms that vary by flow rate. Additionally, MMRN1 binds to, and enhances, platelet adhesion to collagen. These findings suggest that MMRN1 could function as an adhesive ligand that promotes platelet adhesion at sites of vascular injury.
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Affiliation(s)
- S Tasneem
- Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
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14
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Ali A, Nabi F, Itoo FA, Tasneem S. Volumetric, ultrasonic, viscometric and refractive index behaviour of binary mixtures of styrene with ethylalcohol and chlorobenzene at different temperatures (T=298.15 K to 313.15 K). J Mol Liq 2008. [DOI: 10.1016/j.molliq.2008.07.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [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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Jeimy SB, Krakow EF, Fuller N, Tasneem S, Hayward CPM. An acquired factor V inhibitor associated with defective factor V function, storage and binding to multimerin 1. J Thromb Haemost 2008; 6:395-7. [PMID: 18047547 DOI: 10.1111/j.1538-7836.2008.02860.x] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Jeimy SB, Krakow EF, Fuller N, Tasneem S, Hayward CPM. An acquired factor V inhibitor associated with defective factor V function, storage and binding to multimerin 1. J Thromb Haemost 2007; 6:395-7. [PMID: 18047547 DOI: 10.1111/j.1538-7836.2007.02860.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Saeed SA, Mesaik MA, Quadri J, Tasneem S, Motiwala A, Khalid U, Ali SU, Hussain F, Choudhary MI. Interactions of Cyclooxygenase Inhibitors with Reactive Oxygen Species. ACTA ACUST UNITED AC 2006. [DOI: 10.3923/jpt.2006.115.125] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Abstract
Heat shock proteins (hsp) may be involved in the initiation and perpetuation of autoimmune diseases. In order to investigate the possible role of hsp and other intracellular proteins of Mycobacterium tuberculosis in the autoantibody production in SLE, the immuno-crossreactivity of SLE autoantibodies with Mycobacterium tuberculosis sonic extract and hsp-70 kDa was investigated. These proteins showed significant binding with Protein A-Sepharose isolated SLE IgG. Western blotting of hsp-70 with SLE IgG showed strong recognition, suggesting possible involvement of hsp and other intracellular proteins of Mycobacterium tuberculosis in the autoantibody induction in SLE.
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Affiliation(s)
- S Tasneem
- Department of Biochemistry, Faculty of Medicine, JN Medical College, AMU Aligarth, India
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Abstract
Reactive oxygen species (ROS) are implicated in a variety of human diseases. The formation of pathogenic anti-DNA antibodies in systemic lupus erythematosus (SLE) has been extensively investigated. ROS-modified DNA has been found to be a better antigen for anti-DNA antibodies found in SLE sera. A comparative binding of SLE autoantibodies with native poly(I), ROS-poly(I) and nDNA has been studied. Affinity-purified SLE IgG exhibited a high degree of specificity towards the ROS-modified poly(I) in comparison to native DNA and native poly(I), reiterated visually by gel retardation assay. The data suggested that hydroxyl radical-modified nucleic acids like RNA and DNA might be agent for the induction of circulating SLE anti-DNA autoantibodies.
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Affiliation(s)
- S Tasneem
- Department of Biochemistry, Faculty of Medicine, A.M.U., Aligarh 202002, India
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20
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Abstract
The effect of hydroxyl radicals on polyinosinic acid [poly(I)] was studied. Strand breaks, base alteration and a decrease in absorbance at 248 nm (lambda max) were observed upon *OH modification of poly(I). The broad antigen specificity of the induced anti-poly(I) and anti-ROS-poly(I) antibodies showed diverse antigen binding characteristics similar to those of SLE autoantibodies. Recognition of both poly(I) and ROS-poly(I) by human SLE anti-DNA autoantibodies was observed. The possible significance of these findings in the etiology of SLE has been discussed.
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Affiliation(s)
- S Tasneem
- Department of Biochemistry, Faculty of Medicine, A.M.U., Aligarh, India
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