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Esfiokhi SHM, Norouzian MA, Najafi A. The Effect of Different Zinc Sources on Biochemical Parameters, Intestinal Morphology, Carcass Characteristics and Performance in Finishing Lambs. Biol Trace Elem Res 2024; 202:175-181. [PMID: 37088827 DOI: 10.1007/s12011-023-03675-3] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Accepted: 04/17/2023] [Indexed: 04/25/2023]
Abstract
To investigate the effect of different sources of zinc supplements on blood serum parameters, nutrient digestibility, growth performance, carcass characteristics, and intestinal morphology, 18 male Zandi lambs (with initial body weight of 31 ± 1.2 kg and 120 ± 8 days old) were divided into three groups, six animals each in a completely random design. Experimental treatments include (1) control treatment of basal diet without zinc supplementation, (2) basal diet with 40 mg/kg of zinc supplementation from zinc sulfate source, and (3) basal diet with 40 mg/kg of zinc supplementation with origin it was organic (Zn-peptide). All lambs were kept in individual pens with cemented floor and provision of individual feeding and watering. Mean daily weight gain increased with zinc supplementation (P < 0.05), but feed intake and feed conversion ratio were not affected by zinc supplementation in the diet. Zinc supplementation increased the apparent digestibility of the dry matter (P < 0.05), but the digestibility of dietary fat, neutral detergent fiber (NDF), and acid detergent fiber (ADF) were not affected by zinc supplementation. In this experiment, the addition of organic and inorganic supplements to the diet of fattening lambs had no significant effect on serum triglyceride, cholesterol, low-density lipoprotein (LDL), high-density lipoprotein (HDL) and glucose concentrations, and carcass traits. The concentration of aspartate aminotransferase (AST) enzyme in the zinc sulfate group was significantly higher than the control and organic zinc groups (P < 0.05). Concentrations of blood urea nitrogen were lower in zinc fed lambs, compared to control (P ≤ 0.05). The villi width in the duodenum was higher in the zinc supplementation treatments (P < 0.05). Also, in the ileum section, the height of the villi in the treatment of zinc sulfate supplement was higher, compared to the complement and control (P < 0.05). The results of this study showed that Zn supplementation, regardless of its source, improved growth performance in fattening lambs. However, no effect was observed on feed intake and efficiency, carcass traits, and blood parameters.
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Affiliation(s)
- S H Mousavi Esfiokhi
- Department of Animal and Poultry Sciences, College of Abouraihan, University of Tehran, Tehran, Iran
| | - M A Norouzian
- Department of Animal and Poultry Sciences, College of Abouraihan, University of Tehran, Tehran, Iran.
| | - A Najafi
- Department of Animal and Poultry Sciences, College of Abouraihan, University of Tehran, Tehran, Iran
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Keykhaee M, Rahimifard M, Najafi A, Baeeri M, Abdollahi M, Mottaghitalab F, Farokhi M, Khoobi M. Alginate/gum arabic-based biomimetic hydrogel enriched with immobilized nerve growth factor and carnosine improves diabetic wound regeneration. Carbohydr Polym 2023; 321:121179. [PMID: 37739486 DOI: 10.1016/j.carbpol.2023.121179] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [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: 05/25/2023] [Revised: 07/05/2023] [Accepted: 07/06/2023] [Indexed: 09/24/2023]
Abstract
Diabetic foot ulcers (DFUs) often remain untreated because they are difficult to heal, caused by reduced skin sensitivity and impaired blood vessel formation. In this study, we propose a novel approach to manage DFUs using a multifunctional hydrogel made from a combination of alginate and gum arabic. To enhance the healing properties of the hydrogel, we immobilized nerve growth factor (NGF), within specially designed mesoporous silica nanoparticles (MSN). The MSNs were then incorporated into the hydrogel along with carnosine (Car), which further improves the hydrogel's therapeutic properties. The hydrogel containing the immobilized NGF (SiNGF) could control the sustain release of NGF for >21 days, indicating that the target hydrogel (AG-Car/SiNGF) can serve as a suitable reservoir managing diabetic wound regeneration. In addition, Car was able to effectively reduce inflammation and significantly increase angiogenesis compared to the control group. Based on the histological results obtained from diabetic rats, the target hydrogel (AG-Car/SiNGF) reduced inflammation and improved re-epithelialization, angiogenesis, and collagen deposition. Specific staining also confirmed that AG-Car/SiNGF exhibited improved tissue neovascularization, transforming growth factor-beta (TGFβ) expression, and nerve neurofilament. Overall, our research suggests that this newly developed composite system holds promise as a potential treatment for non-healing diabetic wounds.
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Affiliation(s)
- Maryam Keykhaee
- Department of Pharmaceutical Biomaterials and Medical Biomaterial Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran
| | - Mahban Rahimifard
- Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Baeeri
- Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group (TDG), Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, Iran; Department of Toxicology and Pharmacology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Mottaghitalab
- Nanotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mehdi Farokhi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran.
| | - Mehdi Khoobi
- Department of Pharmaceutical Biomaterials and Medical Biomaterial Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Science, Tehran, Iran; Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Biomaterials Group, Pharmaceutical Sciences Research Center (PSRC), The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Science, Tehran, Iran.
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Najafi A, Keykhaee M, Kazemi MH, Karimi MY, Khorramdelazad H, Aghamohamadi N, Bolouri MR, Ghaffari-Nazari H, Mirsharif ES, Karimi M, Dehghan Manshadi HR, Mahdavi SR, Safari E, Jalali SA, Falak R, Khoobi M. Catalase-gold nanoaggregates manipulate the tumor microenvironment and enhance the effect of low-dose radiation therapy by reducing hypoxia. Biomed Pharmacother 2023; 167:115557. [PMID: 37757491 DOI: 10.1016/j.biopha.2023.115557] [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: 04/12/2023] [Revised: 09/08/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
Radiotherapy as a standard method for cancer treatment faces tumor recurrence and antitumoral unresponsiveness. Suppressive tumor microenvironment (TME) and hypoxia are significant challenges affecting efficacy of radiotherapy. Herein, a versatile method is introduced for the preparation of pH-sensitive catalase-gold cross-linked nanoaggregate (Au@CAT) having acceptable stability and selective activity in tumor microenvironment. Combining Au@CAT with low-dose radiotherapy enhanced radiotherapy effects via polarizing protumoral immune cells to the antitumoral landscape. This therapeutic approach also attenuated hypoxia, confirmed by downregulating hypoxia hallmarks, such as hypoxia-inducible factor α-subunits (HIF-α), vascular endothelial growth factor (VEGF), and EGF. Catalase stability against protease digestion was improved significantly in Au@CAT compared to the free catalase. Moreover, minimal toxicity of Au@CAT on normal cells and increased reactive oxygen species (ROS) were confirmed in vitro compared with radiotherapy. Using the nanoaggregates combined with radiotherapy led to a significant reduction of immunosuppressive infiltrating cells such as myeloid-derived suppressor cells (MDSCs) and regulatory T cells (T-regs) compared to the other groups. While, this combined therapy could significantly increase the frequency of CD8+ cells as well as M1 to M2 macrophages (MQs) ratio. The combination therapy also reduced the tumor size and increased survival rate in mice models of colorectal cancer (CRC). Our results indicate that this innovative nanocomposite could be an excellent system for catalase delivery, manipulating the TME and providing a potential therapeutic strategy for treating CRC.
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Affiliation(s)
- Alireza Najafi
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Keykhaee
- Department of Pharmaceutical Biomaterials and Medical Biomaterial Research Center (MBRC), Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Kazemi
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Hossein Khorramdelazad
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Nazanin Aghamohamadi
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad-Reza Bolouri
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Haniyeh Ghaffari-Nazari
- Department of Immunology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Milad Karimi
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | | | - Seied Rabi Mahdavi
- Radiation Biology Research Center& Department of Medical Physics, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Elahe Safari
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Seyed Amir Jalali
- Immunology Department, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Reza Falak
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Mehdi Khoobi
- Department of Radiopharmacy, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran; Drug Design and Development Research Center, The Institute of Pharmaceutical Sciences, Tehran University of Medical Sciences, Tehran, Iran.
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Sadri M, Najafi A, Rahimi A, Behranvand N, Hossein Kazemi M, Khorramdelazad H, Falak R. Hypoxia effects on oncolytic virotherapy in Cancer: Friend or Foe? Int Immunopharmacol 2023; 122:110470. [PMID: 37433246 DOI: 10.1016/j.intimp.2023.110470] [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: 04/30/2023] [Revised: 06/06/2023] [Accepted: 06/07/2023] [Indexed: 07/13/2023]
Abstract
Researchers have tried to find novel strategies for cancer treatment in the past decades. Among the utilized methods, administering oncolytic viruses (OVs) alone or combined with other anticancer therapeutic approaches has had promising outcomes, especially in solid tumors. Infecting the tumor cells by these viruses can lead to direct lysis or induction of immune responses. However, the immunosuppressive tumor microenvironment (TME) is considered a significant challenge for oncolytic virotherapy in treating cancer. Based on OV type, hypoxic conditions in the TME can accelerate or repress virus replication. Therefore, genetic manipulation of OVs or other molecular modifications to reduce hypoxia can induce antitumor responses. Moreover, using OVs with tumor lysis capability in the hypoxic TME may be an attractive strategy to overcome the limitations of the therapy. This review summarizes the latest information available in the field of cancer virotherapy and discusses the dual effect of hypoxia on different types of OVs to optimize available related therapeutic methods.
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Affiliation(s)
- Maryam Sadri
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Rahimi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Nafiseh Behranvand
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Kazemi
- Department of Molecular Microbiology and Immunology, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Immunology, School of Medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran.
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Ojaghi H, Najafi A. Infectious keratitis: an update on the prevalence, risk factors, culture results, clinical features, visual outcomes, and therapeutic strategies of infectious keratitis. Eur Rev Med Pharmacol Sci 2022; 26:9021-9029. [PMID: 36524521 DOI: 10.26355/eurrev_202212_30577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
OBJECTIVE This study aimed to assess the prevalence, risk factors, culture results, clinical features, visual outcomes, and therapeutic strategies of infectious keratitis after surface ablation (PRK). PATIENTS AND METHODS This single-center prospective case-series review comprised 6500 eyes of 3400 patients undergoing PRK operation successively at the Ardabil Noor Surgical Center between January 1, 2003, and February 1, 2020. The incidence, risk factors, and clinical course were recorded for these samples. RESULTS Three clinical and culture-proven cases of infectious keratitis in three eyes of three patients were diagnosed during the study period. Post-operative keratitis was observed in cases 1 and 2 after 3 days and in case 3 after 112 days. The results of cultures were positive in all three cases. The isolated microorganisms were Staphylococcus species in cases 1 and 2 and Candida Albicans in case 3. The final corrected distance visual acuity was 20/25 and 20/20 in cases 1 and 2, respectively, and hand motion in case 3. All three patients had some risk factors such as well-controlled familial Mediterranean fever, mild Meibomian gland dysfunction, and the healthcare environment of the patient's wife in case 1, contact lens manipulation in case 2, and dry eye in case 3. CONCLUSIONS The prevalence of infectious keratitis after PRK was 0.046%. Infectious keratitis is one of the complications of PRK that can threaten patients' vision. Accordingly, proper preoperative clinical history taking, adequate eye exam and aggressive management can help maintain good eyesight in patients who undergo PRK surgery.
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Affiliation(s)
- H Ojaghi
- Department of Surgery, School of Medicine and Allied Medical Sciences, Imam Reza Hospital, Ardabil University of Medical Sciences, Ardabil, Iran.
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Soroush MZ, Sadeghniiat K, Najafi A, Shahmansouri N. Dream Emotion Recognition through EEG Nonlinear Analysis. Sleep Med 2022. [DOI: 10.1016/j.sleep.2022.05.095] [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: 11/16/2022]
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Kazemi MH, Sadri M, Najafi A, Rahimi A, Baghernejadan Z, Khorramdelazad H, Falak R. Tumor-infiltrating lymphocytes for treatment of solid tumors: It takes two to tango? Front Immunol 2022; 13:1018962. [PMID: 36389779 PMCID: PMC9651159 DOI: 10.3389/fimmu.2022.1018962] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [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: 08/14/2022] [Accepted: 10/14/2022] [Indexed: 07/30/2023] Open
Abstract
Tumor-infiltrating lymphocytes (TILs), frontline soldiers of the adaptive immune system, are recruited into the tumor site to fight against tumors. However, their small number and reduced activity limit their ability to overcome the tumor. Enhancement of TILs number and activity against tumors has been of interest for a long time. A lack of knowledge about the tumor microenvironment (TME) has limited success in primary TIL therapies. Although the advent of engineered T cells has revolutionized the immunotherapy methods of hematologic cancers, the heterogeneity of solid tumors warrants the application of TILs with a wide range of specificity. Recent advances in understanding TME, immune exhaustion, and immune checkpoints have paved the way for TIL therapy regimens. Nowadays, TIL therapy has regained attention as a safe personalized immunotherapy, and currently, several clinical trials are evaluating the efficacy of TIL therapy in patients who have failed conventional immunotherapies. Gaining favorable outcomes following TIL therapy of patients with metastatic melanoma, cervical cancer, ovarian cancer, and breast cancer has raised hope in patients with refractory solid tumors, too. Nevertheless, TIL therapy procedures face several challenges, such as high cost, timely expansion, and technical challenges in selecting and activating the cells. Herein, we reviewed the recent advances in the TIL therapy of solid tumors and discussed the challenges and perspectives.
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Affiliation(s)
- Mohammad Hossein Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Sadri
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ali Rahimi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Zeinab Baghernejadan
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
- Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
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Najafi A, Keykhaee M, Khorramdelazad H, Karimi MY, Nejatbakhsh Samimi L, Aghamohamadi N, Karimi M, Falak R, Khoobi M. Catalase application in cancer therapy: Simultaneous focusing on hypoxia attenuation and macrophage reprogramming. Biomed Pharmacother 2022; 153:113483. [DOI: 10.1016/j.biopha.2022.113483] [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: 06/06/2022] [Revised: 07/26/2022] [Accepted: 07/26/2022] [Indexed: 12/26/2022] Open
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Moharari R, Davani B, Pourfakhr P, Nooraie R, Khajavi M, Etezadi F, Najafi A. The effect of digital nerve block on the accuracy of hemoglobin monitoring during surgery: A randomized clinical trial. Acta Anaest Belg 2021. [DOI: 10.56126/72.4.3] [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: 11/24/2022]
Abstract
Background: The decision to transfuse blood products to patients during surgery is critical, due to the potential complications and costs of transfusion. Measuring hemoglobin level by spectrophotometry (SpHb) plays an important role in making this decision. The accuracy of SpHb depends on the finger perfusion. Since digital nerve blocks (DNB) can enhance blood circulation, we aimed at investigating DNB effects on the accuracy of SpHb.
Methods: Patients undergoing spine surgery were randomly assigned to two groups. Group A received DNB in the left hand, and group B received DNB in the right hand. In each group, the other hand was considered as the control. Rainbow adult ReSposable sensors were attached to the patients’ both hands. Before surgical incision and every 1.5 hours, the SpHb values of both hands and the perfusion index were recorded. Concomitantly, arterial blood samples were drawn and sent to the lab for hemoglobin concentration measurement. This served as the gold standard for assessing hemoglobin levels (labHb). We used a mixed-effects generalized linear model to test the effect of independent variables on the difference between SpHb and labHb at each time point.
Results: The SpHb displayed higher hemoglobin levels than those assessed by the lab. For lower labHb values, the SpHb-labHb differences were larger. A one-unit decrease in labHb increased the difference between SpHb and labHb by 0.56 g dL -1 , which was statistically significant.
DNB significantly increased the difference between SpHb and labHb by 0.42 g dL -1 . The effect of DNB on the difference between SpHb and labHb was significant up to three hours after the beginning of surgery (0.58 g dL -1 difference between blocked and non-blocked hands).
Conclusion: This study shows that, when hemoglobin levels are low, the accuracy of spectrophotometry decreases. Although DNB increases finger perfusion, it leads to an overestimation of hemoglobin levels by SpHb.
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Sorouri F, Emamgholipour Z, Keykhaee M, Najafi A, Firoozpour L, Sabzevari O, Sharifzadeh M, Foroumadi A, Khoobi M. The situation of small molecules targeting key proteins to combat SARS-CoV-2: Synthesis, metabolic pathway, mechanism of action, and potential therapeutic applications. Mini Rev Med Chem 2021; 22:273-311. [PMID: 33687881 DOI: 10.2174/1389557521666210308144302] [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: 09/08/2020] [Revised: 12/14/2020] [Accepted: 12/28/2020] [Indexed: 12/15/2022]
Abstract
Due to the global epidemic and high mortality of 2019 coronavirus disease (COVID-19), there is an immediate need to discover drugs that can help before a vaccine becomes available. Given that the process of producing new drugs is so long, the strategy of repurposing existing drugs is one of the promising options for the urgent treatment of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus that causes COVID-19 disease. Although FDA has approved Remdesivir for the use in hospitalized adults and pediatric patients suffering from COVID-19, no fully effective and reliable drug has been yet identified worldwide to treat COVID-19 specifically. Thus, scientists are still trying to find antivirals specific to COVID-19. This work reviews the chemical structure, metabolic pathway, mechanism of action of existing drugs with potential therapeutic applications for COVID-19. Further, we summarized the molecular docking stimulation of the medications related to key protein targets. These already drugs could be developed for further clinical trials to supply suitable therapeutic options for patients suffering from COVID-19.
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Affiliation(s)
- Farzaneh Sorouri
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
| | - Zahra Emamgholipour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
| | - Maryam Keykhaee
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
| | - Alireza Najafi
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran. Iran
| | - Loghman Firoozpour
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
| | - Omid Sabzevari
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Toxicology and Poisoning Research Centre, Tehran University of Medical Sciences, Tehran. Iran
| | - Mohammad Sharifzadeh
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Toxicology and Poisoning Research Centre, Tehran University of Medical Sciences, Tehran. Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
| | - Mehdi Khoobi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Science, Tehran. Iran
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Khorramdelazad H, Kazemi MH, Najafi A, Keykhaee M, Zolfaghari Emameh R, Falak R. Immunopathological similarities between COVID-19 and influenza: Investigating the consequences of Co-infection. Microb Pathog 2021; 152:104554. [PMID: 33157216 PMCID: PMC7607235 DOI: 10.1016/j.micpath.2020.104554] [Citation(s) in RCA: 68] [Impact Index Per Article: 22.7] [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: 06/27/2020] [Revised: 09/25/2020] [Accepted: 09/29/2020] [Indexed: 02/06/2023]
Abstract
Coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a global public health emergency since December 2019, and so far, more than 980,000 people (until September 24, 2020) around the world have died. SARS-CoV-2 mimics the influenza virus regarding methods and modes of transmission, clinical features, related immune responses, and seasonal coincidence. Accordingly, co-infection by these viruses is imaginable because some studies have reported several cases with SARS-CoV-2 and influenza virus co-infection. Given the importance of the mentioned co-infection and the coming influenza season, it is essential to recognize the similarities and differences between the symptoms, immunopathogenesis and treatment of SARS-CoV-2 and influenza virus. Therefore, we reviewed the virology, clinical features, and immunopathogenesis of both influenza virus and SARS-CoV-2 and evaluated outcomes in cases with SARS-CoV-2 and influenza virus co-infection.
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Affiliation(s)
- Hossein Khorramdelazad
- Department of Immunology, School of Medicine, Molecular Medicine Research Center, Research Institute of Basic Medical Sciences, Rafsanjan University of Medical Sciences, Rafsanjan, Iran; Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad Hossein Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Hematopoietic Stem Cell Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Maryam Keykhaee
- Department of Pharmaceutical Biomaterials, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Reza Zolfaghari Emameh
- Department of Energy and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), 14965/161, Tehran, Iran
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Kazemi MH, Najafi A, Karami J, Ghazizadeh F, Yousefi H, Falak R, Safari E. Immune and metabolic checkpoints blockade: Dual wielding against tumors. Int Immunopharmacol 2021; 94:107461. [PMID: 33592403 DOI: 10.1016/j.intimp.2021.107461] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [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: 10/29/2020] [Revised: 01/16/2021] [Accepted: 01/29/2021] [Indexed: 02/07/2023]
Abstract
Recent advances in cancer immunotherapy have raised hopes for treating cancers that are resistant to conventional therapies. Among the various immunotherapy methods, the immune checkpoint (IC) blockers were more promising and have paved their way to the clinic. Tumor cells induce the expression of ICs on the immune cells and derive them to a hyporesponsive exhausted phenotype. IC blockers could hinder immune exhaustion in the tumor microenvironment and reinvigorate immune cells for an efficient antitumor response. Despite the primary success of IC blockers in the clinic, the growing numbers of refractory cases require an in-depth study of the cellular and molecular mechanisms underlying IC expression and function. Immunometabolism is recently found to be a key factor in the regulation of immune responses. Activated or exhausted immune cells exploit different metabolic pathways. Tumor cells can suppress antitumor responses via immunometabolism alteration. Therefore, it is expected that concurrent targeting of ICs and immunometabolism pathways can cause immune cells to restore their antitumor activity. In this review, we dissected the reciprocal interactions of immune cell metabolism with expression and signaling of ICs in the tumor microenvironment. Recent findings on dual targeting of ICs and metabolic checkpoints have also been discussed.
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Affiliation(s)
- Mohammad Hossein Kazemi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
| | - Alireza Najafi
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
| | - Jafar Karami
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Department of Laboratory Sciences, Khomein University of Medical Sciences, Khomein, Iran.
| | - Foad Ghazizadeh
- Department of Pharmacology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Hassan Yousefi
- Department of Biochemistry and Molecular Biology, LSUHSC School of Medicine, New Orleans, USA.
| | - Reza Falak
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
| | - Elahe Safari
- Department of Immunology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran; Immunology Research Center, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
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Ayaz M, Najafi A, Karami MY. Thin Split Thickness Skin Grafting on Human Acellular Dermal Matrix Scaffold for the Treatment of Deep Burn Wounds. Int J Organ Transplant Med 2021; 12:44-51. [PMID: 34987732 PMCID: PMC8717875] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND Use of AlloDerm™ is highly suggested for the treatment of deep burns and burn sequela reconstruction. Scar formation and contracture are recognized as long-term consequences of split-thickness skin autografting, which is applied for full-thickness burn injuries. Mature fibroblasts, in the absence of dermis, seem to secrete collagen in the reformed scar pattern. OBJECTIVE To process AlloDerm™ from fresh allograft and use it as a dermal substitute for covering deep wounds in burn patients and evaluate its effectiveness. METHODS In this case-series, 7 patients with deep burn wounds involving different locations on the body surface were exposed to combined AlloDerm™ (processed from fresh human allograft) with thin split thickness skin autograft on it. On the 5th post-operative day, wound dressings were changed to evaluate the graft survival with the human acellular dermal matrix scaffold. To determine the skin profiles, follow-ups continued for at least 6 months. RESULTS The results showed excellent graft take, good elasticity, acceptable thickness, and little contracture and scarring according to fix surgeon assessment in 6 patients. Graft rejection happened only in one patient with chronic electrical injury. CONCLUSION AlloDerm™ derived from cadaver skin and combination of it with thin split thickness skin auto grafting constitute a cost-effective and favorable option for the treatment of deep burn wounds in our center, considering the increased tendency of the population towards organ donation in the event of brain death.
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Affiliation(s)
- M. Ayaz
- Correspondence: Mehdi Ayaz, Division of Burn and Reconstructive Surgery, Department of Surgery, Shiraz University of Medical Sciences, Shiraz, Iran.E-mail:
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Mansouri H, Gholibegloo E, Mortezazadeh T, Yazdi MH, Ashouri F, Malekzadeh R, Najafi A, Foroumadi A, Khoobi M. A biocompatible theranostic nanoplatform based on magnetic gadolinium-chelated polycyclodextrin: in vitro and in vivo studies. Carbohydr Polym 2020; 254:117262. [PMID: 33357850 DOI: 10.1016/j.carbpol.2020.117262] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [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: 07/08/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 01/01/2023]
Abstract
A novel theranostic nanoplatform was prepared based on Fe3O4 nanoparticles (NPs) coated with gadolinium ions decorated-polycyclodextrin (PCD) layer (Fe3O4@PCD-Gd) and employed for Curcumin (CUR) loading. The dissolution profile of CUR indicated a pH sensitive release manner. Fe3O4@PCD-Gd NPs exhibited no significant toxicity against both normal and cancerous cell lines (MCF 10A and 4T1, respectively); while the CUR-free NPs showed more toxicity against 4T1 than MCF 10A cells. In vivo anticancer study revealed appropriate capability of the system in tumor shrinking with no tissue toxicity and adverse effect on body weight. In vivo MR imaging of BALB/c mouse showed both T1 and T2 contrast enhancement on the tumor cells. Fe3O4@PCD-Gd/CUR NPs showed significant features as a promising multifunctional system having appropriate T1-T2 dual contrast enhancement and therapeutic efficacy in cancer theranostics.
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Affiliation(s)
- Hedieh Mansouri
- Active Pharmaceutical Ingredients Research Center, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Elham Gholibegloo
- Biomaterials Group, Pharmaceutical Sciences Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, 1417614411, Iran
| | - Tohid Mortezazadeh
- Department of Medical Physics, School of Medicine, Tabriz University of Medical Science, Tabriz, Iran
| | - Mohammad Hossein Yazdi
- Biotechnology Research Center, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Ashouri
- Department of Applied Chemistry, Faculty of Pharmaceutical Chemistry, Tehran Medical Sciences, Islamic Azad University, Tehran, Iran
| | - Reza Malekzadeh
- Department of Medical Physics, School of Medicine, Tabriz University of Medical Science, Tabriz, Iran
| | - Alireza Najafi
- Department of Immunology, Faculty of Medicine, Iran University of Medical Science, Tehran, Iran
| | - Alireza Foroumadi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14176, Iran
| | - Mehdi Khoobi
- Biomaterials Group, Pharmaceutical Sciences Research Center, The Institute of Pharmaceutical Sciences (TIPS), Tehran University of Medical Sciences, Tehran, 1417614411, Iran; Department of Medicinal Chemistry, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, 14176, Iran.
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15
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Vahed M, Ramezani F, Tafakori V, Mirbagheri VS, Najafi A, Ahmadian G. Molecular dynamics simulation and experimental study of the surface-display of SPA protein via Lpp-OmpA system for screening of IgG. AMB Express 2020; 10:161. [PMID: 32880759 PMCID: PMC7471224 DOI: 10.1186/s13568-020-01097-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [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: 07/11/2020] [Accepted: 08/26/2020] [Indexed: 11/10/2022] Open
Abstract
Staphylococcal protein A (SpA) is a major virulence factor of Staphylococcus aureus. S. aureus is able to escape detection by the immune system by the surface display of protein A. The SpA protein is broadly used to purify immunoglobulin G (IgG) antibodies. This study investigates the fusion ability of Lpp'-OmpA (46-159) to anchor and display five replicate domains of protein A with 295 residues length (SpA295) of S. aureus on the surface of Escherichia coli to develop a novel bioadsorbent. First, the binding between Lpp'-OmpA-SPA295 and IgGFc and the three-dimensional structure was investigated using molecular dynamics simulation. Then high IgG recovery from human serum by the surface-displayed system of Lpp'-OmpA-SPA295 performed experimentally. In silico analysis was demonstrated the binding potential of SPA295 to IgG after expression on LPP-OmpA surface. Surface-engineered E. coli displaying SpA protein and IgG-binding assay with SDS-PAGE analysis exhibited high potential of the expressed complex on the E. coli surface for IgG capture from human serum which is applicable to conventional immune precipitation.
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Affiliation(s)
- M. Vahed
- Department of Toxico/Pharmacology, School of Pharmacy, Shahid Beheshti University of Medical Sciences, Niayesh Highway, Valiasr Ave, Tehran, 6153-14155 Iran
- Pharmaceutical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Niayesh Highway, Valiasr Ave, Tehran, 14155-1817 Iran
| | - F. Ramezani
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - V. Tafakori
- Department of Cell & Molecular Sciences, Faculty of Biological Sciences, Kharazmi University, Tehran, Iran
| | - V. S. Mirbagheri
- PhD Student in Fisheries Products Processing Group, Faculty of Fisheries and Environmental Sciences, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - A. Najafi
- Department of Environmental and Industrial Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P.O.BOX: 14965/161, Tehran, 1497716316 Iran
- Present Address: Department of Cell and Molecular Biology, Uppsala University, P.O. Box 256, 751 05 Uppsala, Sweden
| | - G. Ahmadian
- Department of Environmental and Industrial Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), P.O.BOX: 14965/161, Tehran, 1497716316 Iran
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Hosseini SA, Shirani AS, Najafi A, Sedghkerdar A. Performance analysis of the second stage accumulators in BNPP-1 in response to MB-LOCA with SBO: A support for practical modification in the injection line. Progress in Nuclear Energy 2020. [DOI: 10.1016/j.pnucene.2020.103435] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Saraei M, Najafi A, Heidarbagi E, Rahimi-Golkhandan A. Evaluation of Metabolic Syndrome among Locomotive Drivers. Occup Med (Lond) 2020. [DOI: 10.18502/tkj.v11i3.2588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Introduction: Screening of risk factors for metabolic syndrome among commercial and train drivers that are considered safety sensitive jobs, is an important issue in safety of transportation system. Metabolic syndrome is consisted of disturbed lipid profile, high blood pressure, and high waist circumference. It can lead to decrease the quality of life and higher health associated costs for these patients. This study aimed to assess risk factors for metabolic syndrome among train drivers.
Methods: This cross-sectional study was conducted on 281 train drivers referred to their annual health examinations to Occupational Medicine Clinic of Baharloo Hospital, Tehran University of Medical Sciences. Demographic characteristics of participants were recorded. Blood pressure, body mass index and waist circumference of drivers were measured. Participants’ blood sample for fasting blood sugar, triglyceride, high and low density lipoproteins were collected. Metabolic syndrome was defined according to the NCEP ATP III criteria.
Results: All of the participants were males. Their mean age and BMI was 43±10 year and 26.60±3.67 Kg/m2, respectively. Fifty three (21%) of the participants were diagnosed with metabolic syndrome. The more frequent risk factor for metabolic syndrome was triglyceride more than 150mg/dl.
Conclusion: Findings of the present study revealed high prevalence of metabolic syndrome among train drivers. Further studies are needed for screening the metabolic syndrome in this occupational group as it is a sensitive occupation.
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18
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Najafi A, Naeimabadi N, Sadeghniiat-Haghighi K, Salmani-Nodoushan M, Rahimi-Golkhandan A. Continuous positive airway pressure adherence in patients with obstructive sleep apnea syndrome. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.760] [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: 10/25/2022]
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19
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Mehrabinejad M, Najafi A, Hajighadery A, Saraei M, Izadi N, Alemohammad Z. Association of sleep characteristics and respiratory symptoms at a smelting factory. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.935] [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: 11/16/2022]
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20
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Aminian O, Noorani A, Sadeghniiat-Haghighi K, Najafi A. Evaluation of psychomotor performance in patients with obstructive sleep apnea syndrome. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.789] [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: 12/01/2022]
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21
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Sadeghniiat-Haghighi K, Najafi A, Adib B, Alemohammad Z, Akbarpour S. Association of rem characteristics as a state marker of depression among Iranian patients: a case-control study. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.009] [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: 11/27/2022]
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22
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Sadeghniiat-Haghighi K, Najafi A, Rahimi-Golkhandan A, Akbarpour S, Mohammadzade M. Insomnia severity and depression among patients with obstructive sleep apnea. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.734] [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: 10/25/2022]
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23
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Sadeghniiat-Haghighi K, Afzalinejad E, Najafi A, Alemohammad Z, Akbarpour S. Development of an objective tool for predicting obstructive sleep apnea among adults: PAN apnea index. Sleep Med 2019. [DOI: 10.1016/j.sleep.2019.11.010] [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: 11/16/2022]
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Affiliation(s)
- P. Bayati
- Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
| | - A. Najafi
- Department of Physics, Institute for Advanced Studies in Basic Sciences (IASBS), Zanjan 45137-66731, Iran
- Research Center for Basic Sciences & Modern Technologies (RBST), Institute for Advanced Studies in Basic Sciences, Zanjan, Iran
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25
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Kahyesh-Esfandiary R, Sadigh ZA, Esghaei M, Bastani MN, Donyavi T, Najafi A, Fakhim A, Bokharaei-Salim F. Detection of HCV genome in peripheral blood mononuclear cells of Iranian seropositive and HCV RNA negative in plasma of patients with beta-thalassemia major: Occult HCV infection. J Med Virol 2018; 91:107-114. [PMID: 30091793 DOI: 10.1002/jmv.25279] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [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: 03/13/2018] [Accepted: 07/14/2018] [Indexed: 12/24/2022]
Abstract
Beta (β) thalassemia major is a genetic blood disorder with a deficiency in the hemoglobin beta chain, requiring blood transfusion therapy. Multiple blood transfusions increase the risk of transmitting blood-borne infections. The aim of this study is to determine the frequency of hepatitis C virus (HCV) infection in Iranian individuals with β-thalassemia major. A total of 164 patients with β-thalassemia major were recruited for this study. HCV RNA testing was done on plasma and peripheral blood mononuclear cells (PBMCs) from the HCV seropositive samples (with reverse transcriptase-nested polymerase chain reaction [PCR] method using primers from the 5'-untranslated region [UTR]), and all HCV RNA positive samples were genotyped by the restriction fragment length polymorphism assay. For confirmation of the HCV genotyping in PBMCs of occult HCV infection [OCI]-positive patients, the PCR products of two different regions of HCV (5'-UTR and nonstructural protein 5B [NS5B]) were sequenced. Of 164 patients, 29.3% were positive for anti-HCV antibodies, and HCV RNA was detected in the plasma specimens of 13.4% patients and in the PBMC samples of 15.2% participants. The genomic HCV-RNA was detected in PBMC samples in 3 (6.3%) of the total 48 individuals who were HCV seropositive, and plasma HCV-RNA negative (occult HCV infection). The subtypes of HCV in the plasma and PBMC samples of three participants were not identical. This study shows that among this group of Iranian patients with β-thalassemia major, 13.4% had active HCV infection and 6.3% had occult HCV infection as evidenced by HCV RNA detected in PBMC specimens. Therefore, the design of a prospective study that focuses on the diagnosis of OCI can be very valuable and provide more information.
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Affiliation(s)
| | - Zohreh-Azita Sadigh
- Human Viral Vaccine Department, Razi Vaccine and Serum Research Institute, Agricultural Research, Education and Extension Organization (AREEO), Karaj, Iran
| | - Maryam Esghaei
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mohammad-Navid Bastani
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Tahereh Donyavi
- HIV Laboratory of National Center, Iran University of Medical Sciences, Tehran, Iran
| | - Alireza Najafi
- HIV Laboratory of National Center, Iran University of Medical Sciences, Tehran, Iran
| | - Atousa Fakhim
- Faculty of Engineering, Islamic Azad University, South Tehran Branch, Tehran, Iran
| | - Farah Bokharaei-Salim
- Department of Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran.,HIV Laboratory of National Center, Iran University of Medical Sciences, Tehran, Iran
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Kakavand-Ghalehnoei R, Shoja Z, Najafi A, Mollahoseini MH, Shahmahmoodi S, Marashi SM, Nejati A, Jalilvand S. Prevalence of human herpesvirus-8 among HIV-infected patients, intravenous drug users and the general population in Iran. Sex Health 2018; 13:295-8. [PMID: 26886227 DOI: 10.1071/sh15192] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2015] [Accepted: 12/30/2015] [Indexed: 11/23/2022]
Abstract
Studies looking at the frequency of human herpesvirus-8 (HHV-8) among Iranian blood donors have produced conflicting results. The aim of this study was to investigate the prevalence of HHV-8 DNA by using polymerase chain reaction methods among 168 healthy individuals, 60 intravenous drug users and 100 HIV-infected patients from Iran. The prevalence of HHV-8 was significantly higher among intravenous drug users (13.3%) compared with the general population (3.6%; P=0.017). The HHV-8 genome was mostly detected among intravenous drug users who displayed high-risk sexual behaviours. Moreover, the HHV-8 genome was also detected in 8% of HIV-infected patients. The present study findings support the likelihood that the transmission of HHV-8 is via a sexual route in the Iranian population.
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Affiliation(s)
- Rezvan Kakavand-Ghalehnoei
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran 14155, Iran
| | - Zabihollah Shoja
- Department of Virology, Pasteur Institute of Iran, Tehran 1316943551, Iran
| | - Alireza Najafi
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran 157856171, Iran
| | - Mostafa Haji Mollahoseini
- Department of Immunology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran 1983963113, Iran
| | - Shohreh Shahmahmoodi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran 14155, Iran
| | - Sayed Mahdi Marashi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran 14155, Iran
| | - Ahmad Nejati
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran 14155, Iran
| | - Somayeh Jalilvand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran 14155, Iran
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Najafi A, Schuldt M, Pham T, Michels M, Schlossarek S, Carrier L, Jimenez C, Zaccolo M, van der Velden J, Kuster D. PKA’s favorite son: prioritizing phosphorylation of phospholamban over cardiac troponin I contributes to diastolic dysfunction in hypertrophic cardiomyopathy. J Mol Cell Cardiol 2018. [DOI: 10.1016/j.yjmcc.2018.05.120] [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: 11/28/2022]
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28
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Asl BMH, Vatanchi A, Golmakani N, Najafi A. Relationship between behavioral indices of pain during labor pain with pain intensity and duration of delivery. Electron Physician 2018; 10:6240-6248. [PMID: 29588826 PMCID: PMC5854000 DOI: 10.19082/6240] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2016] [Accepted: 08/12/2017] [Indexed: 11/20/2022] Open
Abstract
Background Certain behaviors can be adopted by women to cope with labor pain according to their individual characteristics, which are currently called behavioral indicators during labor pain, and include facial expressions, verbal expressions, tone of voice, body movements, degree of relaxation, and respiratory system functioning during delivery. Moreover, severity of pain and duration of labor can vary due to several factors including individual characteristics. Objective The purpose of the present study was to determine the relationship between behavioral indicators during labor pain, severity of pain, and delivery duration. Methods In this cross-sectional study, 120 low risk pregnant women who referred to Omolbanin (AS) Hospital in the city of Mashhad (Iran) for delivery in 2014, were selected via convenience sampling method, which was then followed by completion of demographic information forms. From cervical dilatation of 3–5 centimeters until delivery, the Labor Pain Coping Behavior Observation Form (comprised of 6 sub-groups of facial expressions, verbal expressions, tone of voice, body movements, degree of relaxation, and respiratory function and severity and duration of pain) was completed during uterine contractions and every half an hour. Using the Inventory of Labor Information; vital signs, frequency of contractions, and duration of the first and second stages of labor were measured. Furthermore, the content validity of the questionnaire was determined and its reliability was confirmed by Cronbach’s alpha method. Then, the data were analyzed using the SPSS version 16, through Pearson Product-Moment Correlation and Spearman’s Rank-Order Correlation, Kruskal-Wallis test, and ANOVA. Results According to the results, 16.2% of the individuals had undesirable behavioral indicators during labor pain, 50% of them were endowed with acceptable behaviors, and 33.8% of these women had desirable behaviors. The findings also revealed that the duration of the active phase of the first stage of labor (p<0.001 and r=−0.453), the duration of the second stage of labor (p<0.012 and r=−0.146), and the severity of pain (p<0.001 and r=−0.450) were significantly and inversely correlated with behavioral indicators during labor pain; i.e. an increase in the mean score of behavioral indicators during labor pain could lead to a decline in the duration of stages of labor and severity of pain. Conclusion It was concluded that behaviors demonstrated by women in labor had effects on their pains in the course of delivery, and there was also a relationship between the duration of stages of labor and its severity of pain. Therefore, it was recommended to turn attention to behaviors by women in labor in order to achieve a desirable clinical management.
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Affiliation(s)
| | - Atiyeh Vatanchi
- Assistant Professor of Obstetrics and Gynecology, Department of Obstetrics and Gynecology, Faculty of Medicine, Mashhad University of Medical Sciences (MUMS), Mashhad, Iran
| | - Nahid Golmakani
- Assistant Professor, Department of Nursing and Midwifery, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Najafi
- B.Sc. of Physiotherapy, Ghaem Hospital, Mashhad University of Medical Sciences, Mashhad, Iran
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Saraei M, Najafi A, Heidarbagi E. Prevalence of metabolic syndrome and risk factors of obstructive sleep apnea among locomotive drivers. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.690] [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: 10/18/2022]
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30
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Arshi S, Salmani M, Sadeghniiat-Haghighi K, Najafi A, Alavi S, Shamsipour M. Prevalence of obstructive sleep apnea among adults in north-west of Iran. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.046] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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31
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Arshi S, Sadeghniiat-Haghighi K, Najafi A, Shamsipour M. The prevalence of restless leg syndrome in north-west of Iran. Sleep Med 2017. [DOI: 10.1016/j.sleep.2017.11.047] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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32
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Kardan MR, Fathabdi N, Attarilar A, Esmaeili-Gheshlaghi MT, Karimi M, Najafi A, Hosseini SS. A national survey of natural radionuclides in soils and terrestrial radiation exposure in Iran. J Environ Radioact 2017; 178-179:168-176. [PMID: 28843952 DOI: 10.1016/j.jenvrad.2017.08.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2017] [Revised: 08/11/2017] [Accepted: 08/14/2017] [Indexed: 06/07/2023]
Abstract
In the past, some efforts have been made for measuring natural radioactivity and evaluating public exposure to natural radiation in certain areas of Iran especially in well-known High Level Natural Radiation Areas (HLNRA) in Ramsar and Mahallat. However, the information on radionuclide concentrations, and, consequently, terrestrial radiation exposure for many other areas are not available. There was therefore a need for a systematic and nation-wide survey. For this purpose, 979 soil samples from 31 provinces were collected. The activity concentrations of 40K, 226Ra and 232Th were measured by HPGe detector. The average activity concentrations for Iran were found to be 457.7 Bq/kg for 40K, 24.3 Bq/kg for 226Ra and 25.8 Bq/kg for 232Th. Results were compared with previous regional or provincial surveys. The population-weighted average outdoor and indoor annual effective dose due to external exposure to terrestrial sources of radiation are 0.06 mSv and 0.33 mSv, respectively. It was shown that there is a significant correlation between the activity concentrations of 232Th and 40K in soil. In addition, the results of chi square tests show normal and lognormal distributions cannot be considered for the frequency distributions of activity concentration of 232Th and 226 Ra while 40K has a normal distribution.
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Affiliation(s)
- M R Kardan
- Reactor and Nuclear Safety Research School, Nuclear Science and Technology Research Institute, Tehran, Iran.
| | - N Fathabdi
- Iran Nuclear Regulatory Authority, Tehran, Iran
| | - A Attarilar
- Iran Nuclear Regulatory Authority, Tehran, Iran
| | | | - M Karimi
- Iran Nuclear Regulatory Authority, Tehran, Iran
| | - A Najafi
- Iran Nuclear Regulatory Authority, Tehran, Iran
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Yekta A, Khabazkhoob M, Hashemi H, Ali S, Ostadimoghaddam H, Najafi A, Heravian J. The prevalence of asthenopia and its determinants in a population of university students. Acta Ophthalmol 2017. [DOI: 10.1111/j.1755-3768.2017.0f008] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- A.A. Yekta
- Optometry; Mashhad University of Medical Sciences; Mashhad Iran
| | - M. Khabazkhoob
- Shahid Beheshti University of Medical Sciences; School of Nursing and Midwifery; Tehran Iran
| | - H. Hashemi
- Noor Research Center for Ophthalmic Epidemiology; Noor Eye Hospital; Tehran Iran
| | - S.B. Ali
- Optometry; Mashhad University of Medical Sciences; Mashhad Iran
| | - H. Ostadimoghaddam
- Refractive Errors Research Center; School of Paramedical Sciences; Mashhad University of Medical Sciences; Mashhad Iran
| | - A. Najafi
- Ophthalmology Clinic; Valiasr Hospital; Kazerun Iran
| | - J. Heravian
- Optometry; Mashhad University of Medical Sciences; Mashhad Iran
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Sattari M, Hassanzad M, Jamaldini SH, Najafi A, Imani M, Mohammadhassani M, Hasanzad M. Association between matrix metaloproteinases 2-1306C/T polymorphism and the risk of coronary artery disease in Iranian population. Pathophysiology 2017; 24:185-189. [DOI: 10.1016/j.pathophys.2017.05.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 04/27/2017] [Accepted: 05/03/2017] [Indexed: 10/19/2022] Open
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35
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Mortazavi SMJ, Firoozabadi MA, Najafi A, Mansouri P. Evaluation of outcomes of suction drainage in patients with haemophilic arthropathy undergoing total knee arthroplasty. Haemophilia 2017; 23:e310-e315. [PMID: 28544490 DOI: 10.1111/hae.13224] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/11/2017] [Indexed: 11/29/2022]
Abstract
INTRODUCTION Closed suction drainage has been extensively applied for orthopaedic procedures for the sake of avoiding fluid collections around the wound at the operated limb. AIM We believed that without application of suction drainage after total knee arthroplasty (TKA), the risk of infection and haematoma formation will not increase while the need for blood transfusion because of decreased blood loss will be lesser. METHODS In a prospective randomized clinical trial from April 2010 to April 2014, 176 patients with haemophilia who underwent TKA were included. The study group consisted of 88 patients (108 knees), in which we did not insert suction drain and the control group included 88 patients (106 knees), in which drain was inserted at the end of the surgery. All patients underwent TKA via anterior knee incision and medial parapatellar approach. RESULTS The mean follow-up period of study group and control group was 21 ± 11 months vs. 20 ± 9 months consecutively (P = 0.54). The mean hospital stay was 13 ± 8 days vs. 14 ± 8 days in study and control group consecutively (P = 0.40). In both groups, the major part of improvement in clinical knee society score was due to increase in pain subset (mean increase of 42 vs. 39 points consecutively) and to a lesser extent to alleviation of flexion contracture (mean increase of 13 vs. 15 points consecutively). We observed no differences in the mean visual analogue scale (VAS) value between both groups. Average functional outcome in both groups improved during follow-up visits. CONCLUSION We can conclude that there is no rationale for the use of drain after primary TKA.
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Affiliation(s)
- S M J Mortazavi
- Joint reconstruction research center, Imam Khomeini hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - M A Firoozabadi
- Joint reconstruction research center, Imam Khomeini hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - A Najafi
- Joint reconstruction research center, Imam Khomeini hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - P Mansouri
- Joint reconstruction research center, Imam Khomeini hospital, Tehran University of Medical Sciences, Tehran, Iran
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Moghimian P, Khosravi M, Najafi A, Afshar S, Javadpour J, Samadani M. Erratum to “Effect of low temperature on formation mechanism of calcium phosphate nano powder via precipitation method” [Adv. Powder Technol. 23 (2012) 744–751]. ADV POWDER TECHNOL 2017. [DOI: 10.1016/j.apt.2016.07.003] [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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37
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Fattah A, Sharafi M, Masoudi R, Shahverdi A, Esmaeili V, Najafi A. l -Carnitine in rooster semen cryopreservation: Flow cytometric, biochemical and motion findings for frozen-thawed sperm. Cryobiology 2017; 74:148-153. [DOI: 10.1016/j.cryobiol.2016.10.009] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 10/17/2016] [Accepted: 10/27/2016] [Indexed: 10/20/2022]
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38
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Naderi H, Najafi A, Khoshroo M, Tajik N. Development of an immune function assay by measuring intracellular adenosine triphosphate (iATP) levels in mitogen-stimulated CD4+ T lymphocytes. J Immunoassay Immunochem 2016; 37:407-20. [PMID: 27089103 DOI: 10.1080/15321819.2016.1155995] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
We developed an immune function assay for monitoring CD4+ T cells activity based on changes in intracellular adenosine triphosphate (iATP) levels after phytohemagglutinin (PHA) stimulation. Blood samples were obtained from 40 healthy subjects and 30 RTRs and incubated with 5 µg/mL of PHA for 15-18 hr at 37°C and 5% CO2. Afterward, the CD4+ T cells were separated by antibody-coated magnetic beads and lysed. Then, iATP content in unstimulated and stimulated conditions was measured by luciferin-luciferase reaction using a log-log standard curve. The iATP levels showed significant increase in CD4+ T cells in both healthy persons (mean: 550 ± 142 ng/mL vs. 109 ± 54 ng/mL) and RTRs (mean: 394 ± 160 ng/mL vs. 52 ± 37 ng/mL) after PHA stimulation (P < 0.001). However, the iATP production in RTRs was significantly lower than that in healthy individuals; both prior to and after stimulation with PHA (P < 0.001). No gender-specific difference in iATP production was observed between women and men subjects. This rapid and low-cost assay reflects the degree of immune cell function through assessment of CD4+ T cells activation. Thus, it can be used for evaluation of immune system status in immunodeficient individuals as well as in immunosuppressed transplant recipients who needs drug adjustment.
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Affiliation(s)
- Hadi Naderi
- a Immunology Research Center (IRC) , Iran University of Medical Sciences , Tehran , Iran.,b Department of Immunology , School of Medicine, Tehran University of Medical Sciences , Tehran , Iran
| | - Alireza Najafi
- a Immunology Research Center (IRC) , Iran University of Medical Sciences , Tehran , Iran
| | - Mohammad Khoshroo
- a Immunology Research Center (IRC) , Iran University of Medical Sciences , Tehran , Iran
| | - Nader Tajik
- a Immunology Research Center (IRC) , Iran University of Medical Sciences , Tehran , Iran
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Mortazavidehkordi N, Farjadfar A, Khanahmad H, Ghayour Najafabadi Z, Hashemi N, Fallah A, Najafi A, Kia V, Hejazi SH. Evaluation of a novel lentiviral vaccine expressing KMP11-HASPB fusion protein againstLeishmania infantumin BALB/c mice. Parasite Immunol 2016; 38:670-677. [DOI: 10.1111/pim.12356] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2016] [Accepted: 08/16/2016] [Indexed: 01/15/2023]
Affiliation(s)
- N. Mortazavidehkordi
- Department of Parasitology and Mycology; Isfahan University of Medical Sciences; Isfahan Iran
| | - A. Farjadfar
- Biotechnology Research Center; Mede Bioeconomy Company; Tehran Iran
| | - H. Khanahmad
- Department of Genetics; Faculty of Medicine; Isfahan University of Medical Sciences; Isfahan Iran
| | - Z. Ghayour Najafabadi
- Department of Parasitology and Mycology; Isfahan University of Medical Sciences; Isfahan Iran
| | - N. Hashemi
- Department of Parasitology and Mycology; Isfahan University of Medical Sciences; Isfahan Iran
| | - A. Fallah
- Systems and Synthetic Biology Group; Mede Bioeconomy Company; Tehran Iran
| | - A. Najafi
- Department of Immunology; Pasteur Institute of Iran; Tehran Iran
| | - V. Kia
- Department of Medical Biotechnology; Faculty of Medicine; Zanjan University of Medical Sciences; Zanjan Iran
| | - S. H. Hejazi
- Skin Diseases and Leishmaniais Research Center; Department of Parasitology & Mycology; School of Medicine; Isfahan University of Medical Sciences; Isfahan Iran
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40
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Mortazavi SMJ, Najafi A, Toogeh G. Total joint replacement in haemophilia A patients with high titre of inhibitor using a new brand recombinant factor VIIa (Aryoseven®). Haemophilia 2016; 22:e451-3. [DOI: 10.1111/hae.13006] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/08/2016] [Indexed: 11/26/2022]
Affiliation(s)
- S. M. J. Mortazavi
- Joint Reconstruction Research Center; Tehran University of Medical Sciences; Tehran Iran
| | - A. Najafi
- Joint Reconstruction Research Center; Tehran University of Medical Sciences; Tehran Iran
| | - G. Toogeh
- Thrombosis Hemostasis Research Center; Tehran University of Medical Sciences; Tehran Iran
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41
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Najafi A, Amidi F, Sedighi Gilani MA, Moawad AR, Asadi E, Khanlarkhni N, Fallah P, Rezaiian Z, Sobhani A. Effect of brain-derived neurotrophic factor on sperm function, oxidative stress and membrane integrity in human. Andrologia 2016; 49. [DOI: 10.1111/and.12601] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/08/2016] [Indexed: 01/08/2023] Open
Affiliation(s)
- A. Najafi
- Department of Anatomy; School of Medicine; Tehran University of Medical Sciences; Tehran Iran
| | - F. Amidi
- Department of Anatomy; School of Medicine; Tehran University of Medical Sciences; Tehran Iran
| | - M. A. Sedighi Gilani
- Department of Urology; Shariati Hospital; Tehran University of Medical Sciences; Tehran Iran
| | - A. R. Moawad
- Departments of Obstetrics and Gynecology; Surgery; McGill University; Montreal QC Canada
- Department of Theriogenology; Faculty of Veterinary Medicine; Cairo University; Giza Egypt
| | - E. Asadi
- Department of Anatomy; School of Medicine; Tehran University of Medical Sciences; Tehran Iran
| | - N. Khanlarkhni
- Department of Anatomy; School of Medicine; Tehran University of Medical Sciences; Tehran Iran
| | - P. Fallah
- Infertility Center; Shariati Hospital; Tehran University of Medical Sciences; Tehran Iran
| | - Z. Rezaiian
- Infertility Center; Shariati Hospital; Tehran University of Medical Sciences; Tehran Iran
| | - A. Sobhani
- Department of Anatomy; School of Medicine; Tehran University of Medical Sciences; Tehran Iran
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Asiyabi S, Nejati A, Shoja Z, Shahmahmoodi S, Jalilvand S, Farahmand M, Gorzin AA, Najafi A, Haji Mollahoseini M, Marashi SM. First report of human parvovirus 4 detection in Iran. J Med Virol 2016; 88:1314-8. [PMID: 26812938 DOI: 10.1002/jmv.24485] [Citation(s) in RCA: 6] [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] [Accepted: 01/26/2016] [Indexed: 12/15/2022]
Abstract
Parvovirus 4 (PARV4) is an emerging and intriguing virus that currently received many attentions. High prevalence of PARV4 infection in high-risk groups such as HIV infected patients highlights the potential clinical outcomes that this virus might have. Molecular techniques were used to determine both the presence and the genotype of circulating PARV4 on previously collected serum samples from 133 HIV infected patients and 120 healthy blood donors. Nested PCR was applied to assess the presence of PARV4 DNA genome in both groups. PARV4 DNA was detected in 35.3% of HIV infected patients compared to 16.6% healthy donors. To genetically characterize the PARV4 genotype in these groups, positive samples were randomly selected and subjected for sequencing and phylogenetic analysis. All PARV4 sequences were found to be genotype 1 and clustered with the reference sequences of PARV4 genotype 1. J. Med. Virol. 88:1314-1318, 2016. © 2016 Wiley Periodicals, Inc.
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Affiliation(s)
- Sanaz Asiyabi
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Ahmad Nejati
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | | | - Shohreh Shahmahmoodi
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Somayeh Jalilvand
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Mohammad Farahmand
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
| | - Ali-Akbar Gorzin
- Department of Bacteriology and Virology, School of Medicine Shiraz, University of Medical Sciences, Shiraz, Iran
| | - Alireza Najafi
- Department of Immunology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mostafa Haji Mollahoseini
- Department of Immunology, Faculty of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Sayed Mahdi Marashi
- Department of Virology, School of Public Health (SPH), Tehran University of Medical Sciences (TUMS), Tehran, Iran
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Mahmoudi A, Kadkhodaee M, Golab F, Najafi A, Sedaghat Z. Postconditioning is protective in renal reperfusion injury only in male rats. A gender difference study. ACTA ACUST UNITED AC 2015; 102:67-76. [PMID: 25481365 DOI: 10.1556/aphysiol.101.2014.011] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [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: 12/30/2022]
Abstract
PURPOSE We investigated the impact of sex on the protective effect of postconditioning (POC), a series of brief ischemia-reperfusion (IR) cycles at the reperfusion onset, as a recently described novel approach to attenuate renal IR injury. In this study, the left renal pedicles of uni-nephrectomized male and female rats were clamped for 45 minutes followed by 24 hours of reperfusion as IR groups. Uni-nephrectomized, sham-operated male and female rats served as control groups. Ischemic postconditioning was performed using 4 cycles of 10 seconds of IR of renal pedicle at the end of the ischemia. Twenty-four hours later, BUN (blood urea nitrogen), plasma creatinine (Cr), and renal histological changes, as well as kidney levels of MDA (malondialdehyde) and SOD (superoxide dismutase) as oxidative stress markers were evaluated to detect the protective effect of POC against IR injury in rats. RESULTS Induction of IR resulted in significant reduction in renal function, demonstrated by increase in plasma Cr and BUN, histological changes and oxidative stress in both genders. Application of POC afforded significant protection against these injuries in male rats, namely decreased levels of BUN and Cr, histological improvements and less oxidative damages. However, there were no significant differences in the above-mentioned parameters in female rats. CONCLUSION While POC is shown to be beneficial against renal IR injury in male rats, it did not show any protective effect in female rats.
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Affiliation(s)
- A Mahmoudi
- Tehran University of Medical Sciences Department of Physiology, School of Medicine Enghelab St. Poursina Ave. 14155-6447 Tehran Iran
| | - Mehri Kadkhodaee
- Tehran University of Medical Sciences Department of Physiology, School of Medicine Enghelab St. Poursina Ave. 14155-6447 Tehran Iran
| | - F Golab
- Iran University of Medical Science Cellular and Molecular Research Center Tehran Iran
| | - A Najafi
- Tehran University of Medical Science Department of Anatomy, School of Medicine Tehran Iran
| | - Z Sedaghat
- Bushehr University of Medical Sciences Department of Physiology and Pharmacology, School of Medicine Bushehr Iran
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Zamani-Ahmadmahmudi M, Najafi A, Nassiri SM. Reconstruction of canine diffuse large B-cell lymphoma gene regulatory network: detection of functional modules and hub genes. J Comp Pathol 2015; 152:119-30. [PMID: 25678421 DOI: 10.1016/j.jcpa.2014.11.008] [Citation(s) in RCA: 7] [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: 07/10/2014] [Revised: 09/21/2014] [Accepted: 11/29/2014] [Indexed: 12/17/2022]
Abstract
Lymphoma is one of the most common malignancies in dogs. Canine lymphoma is similar to human non-Hodgkin's lymphoma (NHL) with shared clinical presentation and histopathological features. This study reports the construction of a comprehensive gene regulatory network (GRN) for canine diffuse large B-cell lymphoma (DLBCL), the most common type of canine lymphoma, and performs analysis for detection of major functional modules and hub genes (the most important genes in a GRN). The canine DLBCL GRN was reconstructed from gene expression data (NCBI GEO dataset: GSE30881) using the STRING and MiMI interaction databases. Reconstructed GRNs were then assessed, using various bioinformatics programmes, in order to analyze network topology and identify major pathways and hub genes. The resultant network from both interaction databases had a logically scale-free pattern. Gene ontology (GO) analysis revealed cell activation, cell cycle phase, immune effector process, immune system development, immune system process, integrin-mediated signalling pathway, intracellular protein kinase cascade, intracellular signal transduction, leucocyte activation and differentiation, lymphocyte activation and differentiation as major GO terms in the biological processes of the networks. Moreover, bioinformatics analysis showed E2F1, E2F4, PTEN, CDKN1A, PCNA, DKC1, MNAT1, NDUFB4, ATP5J, PRKDC, BRCA1, MYCN, RFC4 and POLA1 as the most important hub genes. The phosphatidyl inositol signalling system, P53 signalling pathway, Rac CycD pathway, G1/S checkpoint, chemokine signalling pathway and telomere maintenance were the main signalling pathways in which the protein products of the hub genes are involved.
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Affiliation(s)
- M Zamani-Ahmadmahmudi
- Department of Clinical Science, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran; Department of Clinical Science, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran.
| | - A Najafi
- Molecular Biology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - S M Nassiri
- Department of Clinical Pathology, Faculty of Veterinary Medicine, University of Tehran, Tehran, Iran
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Ahmadipour A, Sharififar F, Najafi A, Atashbar J, Karami-Mohajeri S. Preventive effect of methanolic extract of Zataria Multiflora Boiss on liver toxicity of paracetamol in rats. J Med Life 2015; 8:270-274. [PMID: 28316743 PMCID: PMC5319277] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
Background: The analgesic paracetamol causes a potentially fatal, centrilobular hepatic necrosis when taken in misuse and overdose. This research aimed to evaluate the protective effects of methanolic extract of Zataria Multiflora Boiss (Z. Multiflora) against hepatic damage induced by paracetamol-induced hepatotoxicity in male Wistar rats. Methods: for this purpose, paracetamol was administrated orally at a dose of 2 g/ kg body weight (b.w.)/ day on the seventh day after the oral administration of a methanolic extract of Z. Multiflora at doses of 100 mg/ kg, 200 mg/ kg and 400 mg/ kg b.w. The lipid peroxidation level and activities of liver aminotransferases and enzymes contributing to the oxidative damage were measured in serum, and a histopathological examination of liver sections was also performed. Results and Discussion: The results showed that Z. Multiflora reduced the activity of aminotransferases in rats treated with paracetamol. This extract also inhibited lipid peroxidation and protein carbonylation by an increase in the activity of the antioxidant enzyme and the elevation of glutathione content of the liver. Conclusion: These effects are related to the antioxidant compounds of Z. Multiflora. The methanolic extract of this herb exhibits protective effects against paracetamol-induced hepatotoxicity.
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Affiliation(s)
- A Ahmadipour
- Pharmaceutics Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - F Sharififar
- Herbal and Traditional Medicines Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - A Najafi
- Pharmaceutics Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - J Atashbar
- Physiology Research Center and Department of Physiology and Pharmacology, Kerman University of Medical Sciences, Iran
| | - S Karami-Mohajeri
- Pharmaceutics Research Center, Kerman University of Medical Sciences, Kerman, Iran
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46
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Moghimi M, Doosti M, Vahedian-Ardakani HA, Talebi A, Akhavan-Ghalibaf M, Najafi A, Aminorroaya MM, Yazdani S, Shayestehpour M, Bahrami H, Khodayari F. Serological Study on Cytomegalovirus and Toxoplasma Gondii in Thalassemia Major Patients of Yazd, Iran. Iran J Ped Hematol Oncol 2015; 5:149-54. [PMID: 26705454 PMCID: PMC4688599] [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] [Download PDF] [Subscribe] [Scholar Register] [Received: 12/10/2014] [Accepted: 06/05/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND Beta-thalassemia patients receive blood products from blood transfusion centers repeatedly. Blood transfusion can transmit Cytomegalovirus (CMV) and Toxoplasma gondii. The aim of this study was serological evaluation of these two infectious agents in thalassemia patients. MATERIALS AND METHODS In a cross-sectional study, the enzyme-linked immunosorbent assay (ELISA) testing was performed to detect IgM and IgG antibodies against CMV and Toxoplasma gondii in 96 thalassemia patients (under 18 years) and 144 healthy people. Data were analyzed by SPSS software and Chi-square test. RESULTS A significant difference was observed in CMVIgM antibody levels between test groups in women (p<0.05). The prevalence of CMV IgM, CMV IgG, Toxo-IgG, and Toxo IgM antibodies in thalassemia patients were 5.2%, 95.9%, 16%, and 0%, respectively. CONCLUSION In all thalassemia patients, Cytomegalovirus IgG is higher than healthy people. In addition, CMV IgM antibodies are higher in female patients. Antibody screening (IgM) on blood products for detecting Cytomegalovirus is necessary, but for Toxoplasma gondii is not necessary in the Yazd transfusion center.
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Affiliation(s)
- M Moghimi
- Assistant Professor of Clinical and Surgical Pathology,Department of Pathology,Shahid Sadoughi،Yazd ،Iran
| | - M Doosti
- Infectious and Tropical Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - HA Vahedian-Ardakani
- Department of Internal Medicine, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - A Talebi
- Infectious and Tropical Diseases Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - M Akhavan-Ghalibaf
- Shahid Sadoughi hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - A Najafi
- Department of Clinical Immunology, Shahid Sadoughi University of Medical Sciences, Yazd, Iran. Shahid Sadoughi hospital, Yazd, Iran
| | - MM Aminorroaya
- Shahid Sadoughi hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - Sh Yazdani
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
| | - M Shayestehpour
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Corresponding Author Shayestehpour M MSc, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran, .
| | - H Bahrami
- Shahid Sadoughi hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
| | - F Khodayari
- Shahid Sadoughi hospital, Shahid Sadoughi University of Medical Sciences, Yazd, Iran.
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Najafi A, Najafi MH, Zanganeh Z, Sharafi M, Martinez-Pastor F, Adeldust H. Cryopreservation of ram semen in extenders containing soybean lecithin as cryoprotectant and hyaluronic acid as antioxidant. Reprod Domest Anim 2014; 49:934-40. [PMID: 25219460 DOI: 10.1111/rda.12405] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Accepted: 07/18/2014] [Indexed: 01/04/2023]
Abstract
A soybean lecithin-based extender supplemented with hyaluronic acid (HA) was assayed for effectiveness to improve the quality of frozen-thawed ram semen. HA has not been tested yet in an extender containing soybean lecithin for freezing ram semen. Thus, the aim of this study was to analyse the effects of soybean lecithin at 1% or 1.5% along with HA at 0, 0.5 and 1 mg ml(-1) in a Tris-based extender on the motion characteristics, membrane integrity (HOST), viability, GSH peroxidase (GSH-PX) activity, lipid peroxidation and acrosomal status after freezing-thawing. Semen was collected from four Mehraban rams during the breeding season and frozen in the six lecithin×HA extenders. The extender containing 1.5% lecithin supplemented with no HA yielded higher total motility (52.5%±1.6), viability (55.8%±1.6) and membrane integrity (44.5%±1.7), but the effects of the lecithin concentration did not reach signification. Linearity-related parameters, ALH, BCF, lipid peroxidation, GSH-PX activity, morphology and acrosomal status were not affected by the extender composition. In general, adding HA significantly decreased sperm velocity (1 mg ml(-1) HA), total motility (only with 1.5% lecithin), viability (1 mg ml(-1) HA for 1% lecithin; both concentrations for 1.5% lecithin) and membrane integrity. In conclusion, adding HA to the freezing extender supplemented with soybean lecithin failed to improve quality-related variables in ram semen. Increasing the lecithin content could have a positive effect, but further studies are needed.
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Affiliation(s)
- A Najafi
- Department of Animal Science, College of Agriculture, University of Tabriz, Tabriz, Iran
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48
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Mahdaviani SA, Mehrian P, Najafi A, Khalilzadeh S, Eslampanah S, Nasri A, Karam MB, Rezaei N, Velayati AA. Pulmonary computed tomography scan findings in chronic granulomatous disease. Allergol Immunopathol (Madr) 2014; 42:444-8. [PMID: 23850120 DOI: 10.1016/j.aller.2013.04.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [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: 02/19/2013] [Revised: 04/15/2013] [Accepted: 04/23/2013] [Indexed: 11/30/2022]
Abstract
BACKGROUND Chronic granulomatous disease is a phagocyte defect, characterised by recurrent infections in different organs due to a defect in NADPH oxidase complex. This study was performed to investigate pulmonary problems of CGD in a group of patients who underwent computed tomography (CT) scan. METHODS Computed tomography scan was performed in 24 patients with CGD. The findings of the CT scan were documented in all of these patients. RESULTS Areas of consolidation and scan formation were the most common findings, which were detected in 79% of the patients. Other abnormalities in order of frequencies were as follows: small pulmonary nodules (58%); mediastinal lymphadenopathy (38%); pleural thickening (25%); unilateral hilar lymphadenopathy (25%); axillary lymphadenopathy (21%); bronchiectasis (17%); abscess formation (17%); pulmonary large nodules or masses (8%); and free pleural effusion (8%). CONCLUSION The pulmonary CT scans of the patients with CGD demonstrated a variety of respiratory abnormalities in the majority of the patients. While recurrent respiratory infections and abscesses are considered as prominent features of CGD, early diagnosis and precise check-up of the respiratory systems are needed to prevent further pulmonary complications.
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Affiliation(s)
- S A Mahdaviani
- Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - P Mehrian
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases(NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - A Najafi
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases(NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Khalilzadeh
- Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Eslampanah
- Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Nasri
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases(NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - M Bakhshayesh Karam
- Pediatric Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - N Rezaei
- Research Center for Immunodeficiencies, Children's Medical Center, Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - A A Velayati
- Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
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49
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Chakraborty S, Pramanik UD, Aumann T, Beceiro S, Boretzky K, Caesar C, Carlson B, Catford WN, Chatterjee S, Chartier M., Cortina-Gil D, Angelis G, Gonzalez-Diaz D, Emling H, Fernandez PD, Fraile LM, Ershova O, Geissel H, Heil M, Jonson B, Kelic A, Johansson H, Kruecken R, Kroll T, Kurcewicz J, Langer C, Bleis TL, Leifels Y, Munzenberg G, Marganiec J, Nociforo C, Najafi A, Panin V, Paschalis S, Pietri S, Plag R, Rahaman A, Reifarth R, Ricciardi V, Rossi D, Ray J, Simon H, Scheidenberger C, Typel S, Taylor J, Togano Y, Volkov V, Weick H, Wagner A, Wamers F, Weigand M, Winfield JS, Yakorev D, Zoric M. Ground-state configuration of neutron-rich Aluminum isotopes through Coulomb Breakup. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602019] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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50
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Rahaman A, Datta Pramanik U, Aumann T, Beceiro S, Boretzky K, Caesar C, Carlson B, Catford W, Chakraborty S, Chatterjee S, Chartier M, Angelis G, Cortina-Gil D, Gonzalez-Diaz D, Emling H, Diaz Fernandez P, Fraile L, Ershova O, Geissel H, Heil M, Jonson B, Kelic A, Johansson H, Kruecken R, Kroll T, Kurcewicz J, Langer C, Bleis T, Leifels Y, Munzenberg G, Marganiec J, Nociforo C, Najafi A, Panin V, Paschalis S, Pietri S, Plag R, Reifarth R, Ricciardi V, Rossi D, Ray J, Simon H, Scheidenberge C, Typel S, Taylor J, Togano Y, Volkov V, Weick H, Wagner A, Wamers F, Weigand M, Winfield J, Yakorev D, Zoric M. Study of Ground State Wave-function of the Neutron-rich29,30Na Isotopes through Coulomb Breakup. EPJ Web of Conferences 2014. [DOI: 10.1051/epjconf/20146602087] [Citation(s) in RCA: 4] [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: 11/14/2022] Open
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