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Ahrari F, Yousefi M, Mohammadi M. The effect of carbon chain length of cross-linking agent on the functionality of carrier- free immobilized Thermomyces lanuginosa lipase particles. Int J Biol Macromol 2024; 270:132076. [PMID: 38705324 DOI: 10.1016/j.ijbiomac.2024.132076] [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: 03/11/2024] [Revised: 04/23/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
The cross-linked enzyme (CLEs) of Thermomyces lanuginosa lipase (TLL) was prepared in an isocyanide-based multi-component reactions (ICMRs) platform by applying three di-acidic cross-linkers to unveil more factors contributing to the functional properties of CLEs. The linkers were 1,11-undecanedicarboxylic acid, azelaic acid, and adipic acid with 11, 7, and 4 carbon lengths, respectively, providing a proper tool to investigate the effect of linker length on the activity, stability, and selectivity of the resulting CLEs. The immobilization yields of 60-90 % and the specific activities of 168, 88.4 and 49 U/mg were obtained for the CLEs of 1,11-undecanedicarboxylic acid, azelaic acid, adipic acid, respectively. The lower activity of azelaic and adipic acid-mediated CLEs compared to the soluble TLL (110 U/mg) was explained by in silico calculations. The results revealed that as opposed to 1,11-undecanedicarboxylic acid, both linkers tended to penetrate the enzyme active site, thus resulting in a major inhibitory effect on the enzyme functionality. The thermal and co-solvent stability of the immobilized derivatives improved compared to those of free TLL. The selectivity of CLEs was also examined by catalytic release of main omega-3 fatty acids from fish oil, presenting the highest selectivity of 22 for the CLEs of azelaic acid.
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Affiliation(s)
- Faezeh Ahrari
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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Nejati A, Tabatabaei SM, Mahmoudi S, Zahraei SM, Tabatabaie H, Razaghi M, Khodakhah F, Yousefi M, Mollaei-Kandelousi Y, Keyvanlou M, Soheili P, Pouyandeh S, Samimi-Rad K, Shahmahmoodi S. Environmental Surveillance of Poliovirus and Non-polio Enteroviruses in Iran, 2017-2023: First Report of Imported Wild Poliovirus Type 1 Since 2000. Food Environ Virol 2024:10.1007/s12560-024-09600-8. [PMID: 38658427 DOI: 10.1007/s12560-024-09600-8] [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] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 04/08/2024] [Indexed: 04/26/2024]
Abstract
In Iran, which is at high risk of the Wild Poliovirus (WPV) and Vaccine-Derived Poliovirus (VDPV) importation due to its neighborhood with two polio endemic countries, Pakistan and Afghanistan, Environmental Surveillance (ES) was established in November 2017. Sistan-Balouchestan province was chosen for the ES due to its vicinity with Pakistan and Afghanistan. Five sewage collection sites in 4 cities (Zahedan, Zabol, Chabahar and Konarak) were selected in the high-risk areas. Since the establishment of ES in November 2017 till the end of 2023, 364 sewage specimens were collected and analyzed. The ES detected polioviruses which have the highest significance for polio eradication program, that is, Wild Poliovirus type 1 (WPV1) and Poliovirus type 2 (PV2). In April and May 2019, three of 364 (0.8%) sewage specimens from Konarak were positive for imported WPV1. According to phylogenetic analysis, they were highly related to WPV1 circulating in Karachi (Sindh province) in Pakistan. PV2 was also detected in 5.7% (21/364) of the sewage specimens, most of which proved to be imported from the neighboring countries. Of 21 isolated PV2s, 7 were VDPV2, of which 5 proved to be imported from the neighboring countries as there was VDPV2 circulating in Pakistan at the time of sampling, and 2 were ambiguous VDPVs (aVDPV) with unknown source. According to the findings of this study, as long as WPV1 and VDPV2 outbreaks are detected in Iran's neighboring countries, there is a definite need for continuation and expansion of the environmental surveillance.
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Affiliation(s)
- Ahmad Nejati
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mehdi Tabatabaei
- Health Promotion Research Center, Zahedan University of Medical Sciences, Sistan Balouchestan Province, Zahedan, Iran
| | - Sussan Mahmoudi
- Vaccine Preventable Diseases Department, Center for Communicable Diseases Control, Ministry of Health and Medical Education, Tehran, Iran
| | - Seyed Mohsen Zahraei
- Vaccine Preventable Diseases Department, Center for Communicable Diseases Control, Ministry of Health and Medical Education, Tehran, Iran
| | - Hamideh Tabatabaie
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Razaghi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Farshad Khodakhah
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Yousefi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Yaghoub Mollaei-Kandelousi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Keyvanlou
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Parastoo Soheili
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shayan Pouyandeh
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Katayoon Samimi-Rad
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shohreh Shahmahmoodi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
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Darvishi A, Yousefi M, Schirrmann M, Ewert F. Exploring biodiversity patterns at the landscape scale by linking landscape energy and land use/land cover heterogeneity. Sci Total Environ 2024; 916:170163. [PMID: 38242455 DOI: 10.1016/j.scitotenv.2024.170163] [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] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/01/2024] [Accepted: 01/12/2024] [Indexed: 01/21/2024]
Abstract
Agricultural Biodiversity dynamics has been evaluated by social metabolism or by landscape structure-function analysis. In this study, by using ELIA modeling, we used both methods in combination to understand how the interplay between social metabolism and landscape structure-function can affect biodiversity pattern distribution. We used energy reinvestment (E) as an indicator of social metabolism and landscape heterogeneity (Le) as an indicator of landscape structure-function. We propose a research hypothesis to analyze biodiversity patterns considering four different clusters identified based on high or low E or Le. As cluster 1, we defined E as high and Le as low and associated natural ecosystems to it. These ecosystems are expected to contain high species abundance but low richness. As cluster 2, both E and Le were defined as high and semi-natural ecosystems were associated to it, where nature friendly farm system developed. In these ecosystems, high species abundance and richness are expected. Cluster 3 with low E and Le was associated intensive farmland, which is due to the simplification of the landscape. Here, low energy reinvestment and landscape heterogeneity confirm that ecosystem services related to biodiversity have been drastically reduced. Lastly, cluster 4 with low E but high Le refers to intensive mosaics of farmland and pasture. In this cluster, the biodiversity richness index is high due to spatial landscape diversity, but the biodiversity abundance index is low due to the lack of energy reinvestment. We evaluate the proposed hypothesis for biodiversity analysis in the Qazvin province, emphasizing the interplay between energy availability and landscape heterogeneity in shaping ecological communities. This study highlights the importance of understanding biodiversity patterns at spatial scale and emphasizes the need for interdisciplinary research to address conservation and sustainability challenges. Our approach would be very useful where there is lack of biodiversity data.
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Affiliation(s)
- Asef Darvishi
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam-Bornim, Max-Eyth-Allee 100, 14469 Potsdam, Germany.
| | - Maryam Yousefi
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany
| | - Michael Schirrmann
- Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Potsdam-Bornim, Max-Eyth-Allee 100, 14469 Potsdam, Germany
| | - Frank Ewert
- Leibniz Centre for Agricultural Landscape Research (ZALF), Müncheberg, Germany; Institute of Crop Science and Resource Conservation (INRES), University of Bonn, Germany
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Amir D, Nasaruddin RR, Yousefi M, Mastuli MS, Sulaiman S, Alam MZ, Engliman NS. Investigating the synthesis parameters of durian skin-based activated carbon and the effects of silver nanocatalysts on its recyclability in methylene blue removal. Discov Nano 2024; 19:32. [PMID: 38386194 PMCID: PMC10883905 DOI: 10.1186/s11671-024-03974-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Accepted: 02/08/2024] [Indexed: 02/23/2024]
Abstract
Activated carbon (AC) is the most common and economically viable adsorbent for eliminating toxic organic pollutants, particularly dyes, from wastewater. Its widespread adoption is due to the simplicity and affordable production of AC, wherein low-cost agricultural wastes, such as durian skin can be used. Converting durian skin into AC presents a promising solution for its solid waste management. However, inherent drawbacks such as its non-selectivity, relatively short lifespan and laborious replacement and recovery processes diminish the overall efficacy of AC as an adsorbent. To address these challenges, the immobilisation of metal nanocatalysts such as silver nanoparticles (AgNPs) is one of the emerging solutions. AgNPs can facilitate the regeneration of the adsorption sites of AC by catalysing the conversion of the adsorbed dyes into harmless and simpler molecules. Nevertheless, the immobilisation of AgNPs on AC surface can be challenging as the pore size formation of AC is hard to control and the nanomaterials can easily leach out from the AC surface. Hence, in this study, we synthesised AC from durian skin (DS) and immobilised AgNPs on the AC-DS surface. Then, we used methylene blue (MB) removal for studying the adsorption capability and recyclability of the AC-DS. In the synthesis of AC-DS, the influences of reaction temperature, activating agent, and acid-washing to its capability in adsorptive removal of MB in solution were first determined. It was found that 400 °C, KOH activating agent, and the presence of acid-washing (50% of HNO3) resulted in AC-DS with the highest percentage of MB removal (91.49 ± 2.86%). Then, the overall results from three recyclability experiments demonstrate that AC-DS with immobilised AgNPs exhibited higher MB removal after several cycles (up to 6 cycles) as compared to AC-DS alone, proving the benefit of AgNPs for the recyclability of AC-DS. We also found that AgNPs/Citrate@AC-DS exhibited better adsorption capability and recyclability as compared to AgNPs/PVP@AC-DS indicating significant influences of type of stabilisers in this study. This study also demonstrates that the presence of more oxygen-containing functional groups (i.e., carboxyl and hydroxyl functional groups) after acid-washing on AC-DS and in citrate molecules, has greater influence to the performance of AC-DS and AgNPs/Citrate@AC-DS in the removal of MB as compared to the influences of their BET surface area and pore structure. The findings in this study have the potential to promote and serve as a guideline for harnessing the advantages of nanomaterials, such as AgNPs, to enhance the properties of AC for environmental applications.
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Affiliation(s)
- Dzilal Amir
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
| | - Ricca Rahman Nasaruddin
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia.
- Bioenvironmental Engineering Research Centre, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia.
| | - Maryam Yousefi
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
| | - Mohd Sufri Mastuli
- School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
- Centre for Functional Materials and Nanotechnology, Institute of Science, Universiti Teknologi MARA, 40450, Shah Alam, Selangor, Malaysia
| | - Sarina Sulaiman
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
| | - Md Zahangir Alam
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
- Bioenvironmental Engineering Research Centre, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
| | - Nurul Sakinah Engliman
- Department of Chemical Engineering and Sustainability, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
- Bioenvironmental Engineering Research Centre, Kulliyyah of Engineering, International Islamic University Malaysia, Jalan Gombak, 53100, Kuala Lumpur, Malaysia
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Yousefi M, Khoshnevis SJ, Seraj M, Abbasvandi F, Sadeghi P, Khoshnevis Z, Akbari A, Hadi A, Akbari ME. Primary repair with no flaps for lower lip defects (30-80 %) after cancer excision. Asian J Surg 2024; 47:995-998. [PMID: 38160160 DOI: 10.1016/j.asjsur.2023.12.124] [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: 02/10/2023] [Revised: 07/02/2023] [Accepted: 12/15/2023] [Indexed: 01/03/2024] Open
Abstract
Reconstruction of the lip is a necessary procedure when lip tumors are excised. Although many good techniques have been described, they often have disadvantages such as necrosis and extensive suture lines. In our approach, we aim to minimize the suture line and avoid tissue necrosis for medium-sized lip defects (30-80 %). This is a surgical technique report from a single center. After tumor resection, we made a bilateral 15 mm horizontal skin and mucosa incision from the angles of the lip to the lateral sides. The mucosa and skin were dissected from the underlying muscle, and the muscle was cut approximately 15 mm on each side. The lip defect was then closed and sutured in four layers. Finally, the released mucosa was sutured to the corner of the incised skin. We followed the patients for 36 months and found that their speech intelligibility, sensation, mobility, and aesthetic satisfaction were preserved. The scars were also less pronounced compared to flaps, and there were no signs of edema or drooling. In conclusion, our technique offers many advantages for moderate defects of lower lip tumors. By avoiding the use of flaps, we eliminate the complications associated with flap surgery while achieving aesthetically satisfactory results. However, further evaluation by other surgeons is necessary to fully examine the technique's benefits.
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Affiliation(s)
- M Yousefi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S J Khoshnevis
- Department of Vascular Surgery, Shahid Beheshti University of Medical Sciences, Shohadaye Tajrish Hospital, Tehran, Iran
| | - M Seraj
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - F Abbasvandi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - P Sadeghi
- Plastic Surgery Department, Cleveland, OH, USA
| | - Z Khoshnevis
- School of Architecture and Urban Design, University of Science and Technology, Tehran, Iran
| | - A Akbari
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Hadi
- Department of Prosthodontics, School of Dentistry, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - M E Akbari
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Mostafavi M, Poor MB, Habibi Z, Mohammadi M, Yousefi M. Hyperactivation of lipases by immobilization on superhydrophobic graphene quantum dots inorganic hybrid nanoflower. Int J Biol Macromol 2024; 254:127817. [PMID: 37918587 DOI: 10.1016/j.ijbiomac.2023.127817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 10/22/2023] [Accepted: 10/30/2023] [Indexed: 11/04/2023]
Abstract
Various nanoflowers are synthesized for enzyme immobilization. In order to increase the activity of nanoflowers, in this study, 3D flower-like structured organic-inorganic hybrid nanoflowers (hNFs) with various lipases Rhizomucor miehei lipase (RML), Candida antarctica lipase B (CALB), Humicola insolens lipase (HIL), Thermomyces lanuginosus lipase (TLL), Eversa® Transform 2.0 (ET) a genetically modified enzyme derived of TLL and graphene quantum dots (GQDs) were prepared and characterized.Lipase hNFs [lipase-(Cu/Co)3(PO4)2] and lipase@GQDs hNFs [lipase@GQDs-(Cu/Co)3(PO4)2] were straightforwardly prepared through mixing with metal ion (Cu2+or Co2+) aqueous solutions with or without GQDs. The ET@GQDs-(Cu)3(PO4)2 hNFs demonstrated 687 % higher activity than ET-(Cu)3(PO4)2 hNFs and 650 % higher activity than the free ET. Similar results were also observed with other lipase hybrid nanoflowers. For example, TLL@GQDs-(Cu)3(PO4)2 hNFs exhibited a 557 % higher activity than TLL-(Cu)3(PO4)2 hNFs and a 463 % higher activity than free TLL. Additionally, TLL@GQDs-(Co)3(PO4)2 hNFs showed a 141 % higher activity than TLL-(Co)3(PO4)2 hNFs and a 304 % higher activity than free TLL. Upon examining pH and thermal stability, it was revealed that lipase@GQDs hNFs exhibited higher activity compared to free lipase and other hNFs without GQDs. The effect of metal ions, enzyme concentrations and amount of GQDs on the morphology and enzyme activity of the lipase-hNFs was examined.
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Affiliation(s)
- Mostafa Mostafavi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Mahtab Beihaghi Poor
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Zohreh Habibi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran.
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
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Mahmoudzadeh K, Habibi Z, Yousefi M, Mostafavi M, Mohammadi M. Peptiligase, an enzyme for efficient chemo-enzymatic synthesis of aviptadil. Int J Biol Macromol 2023; 253:127089. [PMID: 37774815 DOI: 10.1016/j.ijbiomac.2023.127089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2023] [Revised: 09/04/2023] [Accepted: 09/24/2023] [Indexed: 10/01/2023]
Abstract
Increasing attention to peptides as prospective therapeutics has created a renaissance in searching for new alternatives to the current peptide synthetic approaches as well as their modification. In this context, it is necessary to develop different approaches for peptide ligation. Using enzymes as a novel strategy and powerful tool for the peptide and protein ligation has recently received a lot of attention. We here designed a fully convergent chemo-enzymatic peptide synthesis (CEPS) process for the synthesis of aviptadil a 28-mer therapeutic peptide with potential therapeutic effects in various medical contexts specially in the treatment of acute respiratory distress syndrome (ARDS) by coupling two peptide segments with four different peptiligase variants in aqueous environments. Our study reveals that peptiligase variants are capable of ligation reaction in 15 min. The overall time of ligation is shorter than those peptides with similar lengths and hinderance to aviptadil which reported for conventional synthesis by full solid-phase peptide synthesis. Yields ranged from 54 % to 76 %.
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Affiliation(s)
- Kazem Mahmoudzadeh
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Zohreh Habibi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Mostafa Mostafavi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Yousefi M, Andrejka L, Szamecz M, Winslow MM, Petrov DA, Boross G. Fully accessible fitness landscape of oncogene-negative lung adenocarcinoma. Proc Natl Acad Sci U S A 2023; 120:e2303224120. [PMID: 37695905 PMCID: PMC10515140 DOI: 10.1073/pnas.2303224120] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Accepted: 07/12/2023] [Indexed: 09/13/2023] Open
Abstract
Cancer genomes are almost invariably complex with genomic alterations cooperating during each step of carcinogenesis. In cancers that lack a single dominant oncogene mutation, cooperation between the inactivation of multiple tumor suppressor genes can drive tumor initiation and growth. Here, we shed light on how the sequential acquisition of genomic alterations generates oncogene-negative lung tumors. We couple tumor barcoding with combinatorial and multiplexed somatic genome editing to characterize the fitness landscapes of three tumor suppressor genes NF1, RASA1, and PTEN, the inactivation of which jointly drives oncogene-negative lung adenocarcinoma initiation and growth. The fitness landscape was surprisingly accessible, with each additional mutation leading to growth advantage. Furthermore, the fitness landscapes remained fully accessible across backgrounds with the inactivation of additional tumor suppressor genes. These results suggest that while predicting cancer evolution will be challenging, acquiring the multiple alterations that drive the growth of oncogene-negative tumors can be facilitated by the lack of constraints on mutational order.
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Affiliation(s)
- Maryam Yousefi
- Department of Genetics, Stanford University School of Medicine, Stanford, CA94305
| | - Laura Andrejka
- Department of Genetics, Stanford University School of Medicine, Stanford, CA94305
| | - Márton Szamecz
- Eötvös Loránd University, Faculty of Informatics, Budapest1053, Hungary
| | - Monte M. Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, CA94305
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA94305
- Department of Pathology, Stanford University School of Medicine, Stanford, CA94305
| | - Dmitri A. Petrov
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA94305
- Department of Biology, Stanford University, Stanford, CA94305
| | - Gábor Boross
- Department of Biology, Stanford University, Stanford, CA94305
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Sharifan P, Darroudi S, Rafiee M, Toussi MSE, Sedgh Doust FN, Taghizadeh N, Fazl Mashhadi MR, Ghazizadeh H, Mohammadi MA, Dabagh AE, Ebrahimian AR, Yousefi M, Esmaily H, Ferns GA, Soflaei SS, Ghayour-Mobarhan M. Association of dietary and blood inflammatory indicators with depression, anxiety, and stress in adults with vitamin D deficiency. Int J Geriatr Psychiatry 2023; 38:e5972. [PMID: 37539817 DOI: 10.1002/gps.5972] [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: 07/24/2022] [Accepted: 07/11/2023] [Indexed: 08/05/2023]
Abstract
BACKGROUND There is growing evidence that vitamin D may be related to mental health. The aim of the current study was to investigate the association of dietary and blood inflammatory factors with mental health disorders in subjects with vitamin D deficiency, shedding further light on the complex interplay of these conditions. METHOD In this cross-sectional study, 306 subjects completed the validated Depression, Anxiety, and Stress Scale questionnaire to evaluate their depression, anxiety, and stress scores. Dietary inflammatory index (DII) and healthy eating index (HEI) were calculated using a validated 65-item food frequency questionnaire. Blood samples were taken and vitamin D, cytokine, and hs-CRP levels were measured using enzyme-linked immunosorbent assay kits. Platelet to lymphocyte ratio (PLR) and neutrophil to lymphocyte ratio (NLR) were calculated using standard laboratory methods. RESULTS The subjects were divided into two groups based on their vitamin D levels: a vitamin D < 20 μg/dl group (N = 257) and a vitamin D ≥ 20 μg/dl group (N = 49). Between group analysis revealed that only DII (p = 0.015), platelet (p = 0.04), and hs-CRP (p = 0.015) were significantly different. In adults with vitamin D levels below 20 μg/dl, NLR and DII were significantly higher in subjects with anxiety (p < 0.05), and this relationship remained significant only for NLR after adjusting for age and sex. Additionally, PLR and HEI were significantly different in depressed compared to non-depressed subjects, and this association remained significant only for HEI after adjusting for age and sex. CONCLUSION In subjects with vitamin D deficiency, increased levels of PLR, NLR, and DII were associated with depression and anxiety, while HEI was negatively associated with depression. These associations were not found in subjects with vitamin D levels ≥20 μg/dl.
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Affiliation(s)
- Payam Sharifan
- Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Susan Darroudi
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mahdi Rafiee
- Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | | | - Niloofar Taghizadeh
- Department of Biology, Faculty of Sciences, Mashhad Branch, Islamic Azad University, Mashhad, Iran
| | | | - Hamideh Ghazizadeh
- Student Research Committee, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Ali Ebrahimi Dabagh
- Department of Nutrition, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Maryam Yousefi
- Department of Nutrition Sciences, Varastegan Institute for Medical Sciences, Mashhad, Iran
| | - Habibollah Esmaily
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Biostatistics, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Gordon A Ferns
- Division of Medical Education, Brighton and Sussex Medical School, Brighton, UK
| | - Sara Saffar Soflaei
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Ghayour-Mobarhan
- International UNESCO Center for Health-Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran
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10
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Gonzalez MA, Lu DR, Yousefi M, Kroll A, Lo CH, Briseño CG, Watson JEV, Novitskiy S, Arias V, Zhou H, Plata Stapper A, Tsai MK, Ashkin EL, Murray CW, Li CM, Winslow MM, Tarbell KV. Phagocytosis increases an oxidative metabolic and immune suppressive signature in tumor macrophages. J Exp Med 2023; 220:e20221472. [PMID: 36995340 PMCID: PMC10067971 DOI: 10.1084/jem.20221472] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2022] [Revised: 01/13/2023] [Accepted: 03/06/2023] [Indexed: 03/31/2023] Open
Abstract
Phagocytosis is a key macrophage function, but how phagocytosis shapes tumor-associated macrophage (TAM) phenotypes and heterogeneity in solid tumors remains unclear. Here, we utilized both syngeneic and novel autochthonous lung tumor models in which neoplastic cells express the fluorophore tdTomato (tdTom) to identify TAMs that have phagocytosed neoplastic cells in vivo. Phagocytic tdTompos TAMs upregulated antigen presentation and anti-inflammatory proteins, but downregulated classic proinflammatory effectors compared to tdTomneg TAMs. Single-cell transcriptomic profiling identified TAM subset-specific and common gene expression changes associated with phagocytosis. We uncover a phagocytic signature that is predominated by oxidative phosphorylation (OXPHOS), ribosomal, and metabolic genes, and this signature correlates with worse clinical outcome in human lung cancer. Expression of OXPHOS proteins, mitochondrial content, and functional utilization of OXPHOS were increased in tdTompos TAMs. tdTompos tumor dendritic cells also display similar metabolic changes. Our identification of phagocytic TAMs as a distinct myeloid cell state links phagocytosis of neoplastic cells in vivo with OXPHOS and tumor-promoting phenotypes.
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Affiliation(s)
- Michael A. Gonzalez
- Amgen Research, Oncology, South San Francisco, CA, USA
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Daniel R. Lu
- Amgen Research, Research Biomics, South San Francisco, CA, USA
| | - Maryam Yousefi
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Ashley Kroll
- Amgen Research, Oncology, South San Francisco, CA, USA
| | - Chen Hao Lo
- Amgen Research, Oncology, South San Francisco, CA, USA
| | | | | | | | - Vanessa Arias
- Amgen Research, Research Biomics, South San Francisco, CA, USA
| | - Hong Zhou
- Amgen Research, Research Biomics, South San Francisco, CA, USA
| | | | - Min K. Tsai
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Emily L. Ashkin
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
| | | | - Chi-Ming Li
- Amgen Research, Research Biomics, South San Francisco, CA, USA
| | - Monte M. Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
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11
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Neissari N, Shahedi M, Habibi Z, Yousefi M, Minai-Tehrani A, Yazdi Samadi F, Brask J, Bavandi H, Mohammadi M. Biocatalytic synthesis of oxadiazole thioethers and evaluation of their antitumor activity. Org Biomol Chem 2023. [PMID: 37249163 DOI: 10.1039/d2ob02307e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
A multicomponent enzyme-catalyzed process is suggested for the synthesis of a novel series of 1,3,4-oxadiazole thioether derivatives with yields ranging from 65 to 94%. Novozym 435, the immobilized form of Candida antarctica lipase B (CALB), was found to efficiently catalyze the reaction. The products were evaluated for antitumor activities against two cancer cell lines, HT-29 (human colorectal cancer cell) and HepG2 (human liver cancer cell), by MTT assays. Among them, two compounds exhibited higher antitumor activities, for both cell lines, compared to doxorubicin. In silico molecular docking and computational ADME analysis were performed to propose a mode of action for the anti-cancer activities and to predict drug-likeness, respectively.
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Affiliation(s)
- Negin Neissari
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Mansour Shahedi
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Zohreh Habibi
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Arash Minai-Tehrani
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Fatemeh Yazdi Samadi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Copenhagen, Denmark
| | - Hossein Bavandi
- Department of Organic Chemistry, Faculty of Chemistry and Petroleum Sciences, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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12
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Yousefi M, Nakauka-Ddamba A, Berry CT, Li N, Schoenberger J, Bankler-Jukes D, Simeonov KP, Cedeno RJ, Yu Z, Lengner CJ. Calorie Restriction Governs Intestinal Epithelial Regeneration through Cell-Autonomous Regulation of mTORC1 in Reserve Stem Cells. Stem Cell Reports 2023; 18:1048. [PMID: 37044068 PMCID: PMC10147570 DOI: 10.1016/j.stemcr.2023.03.010] [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] [Subscribe] [Scholar Register] [Indexed: 04/14/2023] Open
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13
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Yousefi M, Malidarre RB, Akkurt I, Ahmadi M, Zanganeh V. Physical, optical, mechanical, and radiation shielding properties for the B2O3–Li2O glasses. Radiat Phys Chem Oxf Engl 1993 2023. [DOI: 10.1016/j.radphyschem.2023.110962] [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: 04/08/2023]
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14
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Aziz R, Khan A, Yousefi M, Khetani S, Choudhry H. Spontaneous Non-Traumatic Mediastinal Hematoma in a Patient on Imatinib Therapy for a Gastrointestinal Stromal Tumor (GIST). Cureus 2023; 15:e37701. [PMID: 37206503 PMCID: PMC10191238 DOI: 10.7759/cureus.37701] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/17/2023] [Indexed: 05/21/2023] Open
Abstract
Mediastinal hematomas are thoracic complications often resulting from direct trauma or aortic dissections. Spontaneous non-traumatic mediastinal hematomas are rare. We present a case of spontaneous non-traumatic mediastinal hematoma in a patient on Imatinib therapy for a gastrointestinal stromal tumor (GIST). A 67-year-old female presented to the ER with the chief complaint of constant sharp right shoulder pain that progressed to her chest. The patient was not on any anticoagulants and had not complained of shortness of breath. Under suspicion of a pulmonary embolism, a CT chest scan was performed, and a diagnosis of non-traumatic anterior mediastinal hematoma was confirmed. This case may warrant further investigation into the links between Imatinib use and the formation of mediastinal hematomas.
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Affiliation(s)
- Rida Aziz
- Internal Medicine, William Carey University College of Osteopathic Medicine, Hattiesburg, USA
| | - Azeem Khan
- Internal Medicine, William Carey University College of Osteopathic Medicine, Hattiesburg, USA
| | - Maryam Yousefi
- Internal Medicine, William Carey University College of Osteopathic Medicine, Hattiesburg, USA
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15
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Arefinejad A, Khodadadi M, Zeinali T, Yousefi M. Phenotypic and genotypic evaluation of ESBL- and AmpC-producing Escherichia coli isolated from chicken distributed in Birjand, East of Iran. AAlim 2023. [DOI: 10.1556/066.2022.00164] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
Abstract
AbstractThe aims of the present study were to detect Escherichia coli in chicken distributed in Birjand, to investigate the prevalence of ESBL and AmpC beta-lactamases producers among them, and to identify their antibiotic resistance patterns. The study was conducted on 150 chicken samples, and the antimicrobial susceptibility patterns were determined by the Kirby–Bauer disk diffusion method. Phenotypic identification of ESBL and AmpC was performed by the combined disk test (CDT). The specific genes of ESBL and AmpC beta-lactamases were detected using two multiplex PCR (m-PCR) assays. According to our results, 116 out of 150 chicken samples were contaminated with E. coli. Moreover, the highest resistance of E. coli isolates was observed to trimethoprim/sulfamethoxazole (46%), ampicillin (40%), and amoxicillin (29.33%). In the molecular confirmation step, among 17 (11.33%) beta-lactamase producers, five samples contained the blaCTX-M14 gene (3.33%), two samples contained blaDHA (1.33%) and blaCTX-M3 gene (1.33%), and just one sample carried blaCMY-2 gene (0.66%). The blaSHV and blaTEM genes were not detected in any strains isolated from the chicken samples. This study showed the contamination of chicken with antibiotic-resistant E. coli. Therefore, it is recommended that veterinarians be more precautious in prescribing antibiotics.
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Affiliation(s)
- A. Arefinejad
- Student Research Committee, Birjand University of Medical Sciences, Birjand, Iran
| | - M. Khodadadi
- Department of Environmental Health Engineering, School of Health, Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences, Birjand, Iran
| | - T. Zeinali
- Department of Public Health, School of Health, Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - M. Yousefi
- Infectious Diseases Research Center, Birjand University of Medical Sciences, Birjand, Iran
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16
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Shahedi M, Omidi N, Habibi Z, Yousefi M, Brask J, Notash B, Mohammadi M. Biocatalytic stereoselective synthesis of pyrrolidine-2,3-diones containing all-carbon quaternary stereocenters. Org Biomol Chem 2023; 21:2742-2747. [PMID: 36916669 DOI: 10.1039/d2ob02294j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/11/2023]
Abstract
Highly functionalized pyrrolidine-2,3-diones can be synthesized efficiently and stereoselectively under mild conditions using a biocatalytic approach. The reaction led to the formation of new all-carbon quaternary stereocenters from Myceliophthora thermophila laccase (Novozym 51003) catalyzed oxidation of catechols to ortho-quinones and subsequent 1,4-addition with 3-hydroxy-1,5-dihydro-2H-pyrrol-2-ones. The reaction was conducted with various substituents on both reactants, resulting in 13 products in moderate to good yields (42-91%). The same 15 reactions were also tested with K3Fe(CN)6 as a catalyst, but here only one reaction resulted in a product (60% yield).
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Affiliation(s)
- Mansour Shahedi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Niloofar Omidi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Zohreh Habibi
- Department of Organic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Copenhagen, Denmark
| | - Behrouz Notash
- Department of Inorganic Chemistry, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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17
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Mostafavi M, Mahmoodzadeh K, Habibi Z, Yousefi M, Brask J, Mohammadi M. Immobilization of Bacillus amyloliquefaciens protease "Neutrase" as hybrid enzyme inorganic nanoflower particles: A new biocatalyst for aldol-type and multicomponent reactions. Int J Biol Macromol 2023; 230:123140. [PMID: 36621745 DOI: 10.1016/j.ijbiomac.2023.123140] [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: 10/09/2022] [Revised: 12/27/2022] [Accepted: 01/01/2023] [Indexed: 01/07/2023]
Abstract
Organic-inorganic hybrid nanoflowers (hNFs) with commercial protease "Neutrase" is proposed and characterized as efficient and green biocatalysts for promiscuous catalysis in aldol-type and multicomponent reactions. Neutrase hNFs [Neutrase-(Cu/Ca/Co/Mn)3(PO4)2] are straightforwardly prepared through mixing metal ion (Cu2+, Ca2+, Co2+ or Mn2+) aqueous solutions with Neutrase in phosphate buffer (pH 7.4, 10 mM) resulting in precipitation (3 days). The hNFs were characterized by various techniques including scanning electron microscopy (SEM), energy dispersive X-ray (EDX), element mapping, X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). In SEM images, the metal-Neutrase complexes revealed flower-like or granular structures after hybridization. The effect of metal ions and enzyme concentrations on the morphology and enzyme activity of the Neutrase-hNFs was examined. The synthesized Neutrase-Mn hNFs showed superior activity and stability compared to free Neutrase. Traditional organic CC coupling reactions such as aldol condensation, decarboxylative aldol, Knoevenagel, Hantzsch-type reactions and synthesis of 4H-pyran derivatives were used to test the generality and scope of Neutrase promiscuity, while optimizing conditions for the Neutrase-Mn hNF biocatalyst. Briefly, Neutrase-Mn3(PO4)2 hNFs showed excellent enzyme activity, stability and reusability, qualifying as effective reusable catalysts for coupling reactions under mild conditions.
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Affiliation(s)
- Mostafa Mostafavi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Kazem Mahmoodzadeh
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Zohreh Habibi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880, Bagsværd, Copenhagen, Denmark
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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18
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Ghasemi S, Yousefi M, Nikseresht A. Comparison of covalent and in situ immobilization of Candida antarctica lipase A on a flexible nanoporous material. 3 Biotech 2023; 13:99. [PMID: 36866325 PMCID: PMC9971526 DOI: 10.1007/s13205-023-03522-1] [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: 12/17/2022] [Accepted: 02/13/2023] [Indexed: 03/02/2023] Open
Abstract
In this study, Candida antarctica lipase A, which has a unique applicability for the conversion of highly branched and bulky substrates, was subjected to immobilization on the flexible nanoporous MIL-53(Fe) by two approaches: covalent coupling and in situ immobilization method. The pre-synthesized support under ultrasound irradiation was incubated with N,N-dicyclohexylcarbodiimide to mediate the covalent attachment between the carboxylic groups on the support surface and amino groups of enzyme molecules. The in situ immobilization in which the enzyme molecules directly were embedded into the metal-organic framework was performed under mild operating conditions in a facile one-step manner. Both immobilized derivatives of the enzyme were characterized by scanning electron microscopy, X-ray diffraction, thermogravimetric analysis, FT-IR spectra, and energy-dispersive X-ray spectroscopy. In the in situ immobilization method, the enzyme molecules were efficiently encapsulated within the support with a high loading capacity (220 ± 5 mg/g support). On the other hand, the covalent attachment resulted in immobilizing much lower concentrations of the enzyme (20 ± 2.2 mg/g support). Although both immobilized derivatives of lipase showed broader pH and temperature tolerance relative to the soluble enzyme, the biocatalyst, which was prepared through in situ method, was more stable at elevated temperatures than the covalently immobilized lipase. Furthermore, in situ immobilized derivatives of Candida antarctica lipase A could be efficiently reused for at least eight cycles (> 70% of retained activity). In contrast, its covalently immobilized counterpart showed a drastic decrease in activity after five cycles (less than 10% of retained activity at the end of 6 rounds).
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Affiliation(s)
- Saba Ghasemi
- Department of Chemistry, Ilam Branch, Islamic Azad University, Ilam, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Ahmad Nikseresht
- Department of Chemistry, Payame Noor University (PNU), PO Box 19395-4697, Tehran, Iran
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19
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Yousefi M, Andrejka L, Winslow MM, Petrov DA, Boross G. Fully accessible fitness landscape of oncogene-negative lung adenocarcinoma. bioRxiv 2023:2023.01.30.526178. [PMID: 36778226 PMCID: PMC9915475 DOI: 10.1101/2023.01.30.526178] [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: 02/04/2023]
Abstract
Cancer genomes are almost invariably complex with genomic alterations cooperating during each step of carcinogenesis. In cancers that lack a single dominant oncogene mutation, cooperation between the inactivation of multiple tumor suppressor genes can drive tumor initiation and growth. Here, we shed light on how the sequential acquisition of genomic alterations generates oncogene-negative lung tumors. We couple tumor barcoding with combinatorial and multiplexed somatic genome editing to characterize the fitness landscapes of three tumor suppressor genes NF1, RASA1, and PTEN, the inactivation of which jointly drives oncogene-negative lung adenocarcinoma initiation and growth. The fitness landscape was surprisingly accessible, with each additional mutation leading to growth advantage. Furthermore, the fitness landscapes remained fully accessible across backgrounds with additional tumor suppressor mutations. These results suggest that while predicting cancer evolution will be challenging, acquiring the multiple alterations required for the growth of oncogene-negative tumors can be facilitated by the lack of constraints on mutational order.
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20
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Montazeri S, Rastegari A, Mohammadi Z, Nazari M, Yousefi M, Samadi FY, Najafzadeh S, Aghsami M. Chitosan nanoparticle loaded by epidermal growth factor as a potential protein carrier for wound healing: In vitro and in vivo studies. IET Nanobiotechnol 2023; 17:204-211. [PMID: 36734307 DOI: 10.1049/nbt2.12116] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/28/2022] [Accepted: 01/17/2023] [Indexed: 02/04/2023] Open
Abstract
Epidermal growth factor (EGF) can be efficiently used in wound healing process; but the main obstacle of its clinical use is its susceptibility to proteolysis and maintaining its effective concentration in the site of action. In this study, chitosan nanoparticles containing EGF is formulated using a simple method to increase its stability in physiological pH as well as protect its biological activity and effectiveness in wound healing process. Nanoparticles with different ratios of chitosan/EGF were prepared and evaluated in vitro and in vivo. Obtained results showed nanoparticles with 2:1 ratio of chitosan/EGF were able to release 80% of encapsulated protein after 12 h. Cell proliferation study demonstrated that prepared nanoparticles could protect EGF functionality in physiological pH. In vivo results showed that nanoparticles with 2:1 ratio of chitosan/EGF could significantly accelerate the wound closure-rate, re-epithelialisation and collagen deposition. In conclusion, the designed nanoparticles in optimal ratio can be considered as a potential vehicle for EGF delivery to wounds with the aim of improving healing process.
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Affiliation(s)
- Samaneh Montazeri
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran.,Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Ali Rastegari
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Zohreh Mohammadi
- Department of Pharmaceutics and Pharmaceutical Nanotechnology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
| | - Mahboobeh Nazari
- Monoclonal Antibody Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Fatemeh Yazdi Samadi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Somayeh Najafzadeh
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Mehdi Aghsami
- Department of Pharmacology and Toxicology, School of Pharmacy, Iran University of Medical Sciences, Tehran, Iran
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21
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Alikhani N, Shahedi M, Habibi Z, Yousefi M, Ghasemi S, Mohammadi M. A multi-component approach for co-immobilization of lipases on silica-coated magnetic nanoparticles: improving biodiesel production from waste cooking oil. Bioprocess Biosyst Eng 2022; 45:2043-2060. [DOI: 10.1007/s00449-022-02808-7] [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] [Received: 05/31/2022] [Accepted: 10/24/2022] [Indexed: 11/12/2022]
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22
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Shahin R, Yousefi M, Ziyadi H, Bikhof M, Hekmati M. pH-Responsive and magnetic Fe3O4@UiO-66-NH2@PEI nanocomposite as drug nanocarrier: Loading and release study of Imatinib. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110186] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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23
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Hashem Boroojerdi M, Rahimi A, Roostayi MM, Talebian Moghaddam S, Yousefi M, Norouzi M, Akbarzadeh Baghban A. The occurrence of flexion-relaxation phenomenon in elite cyclists during trunk forward bending. Sports Biomech 2022:1-13. [PMID: 36239128 DOI: 10.1080/14763141.2022.2126326] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2022] [Accepted: 09/14/2022] [Indexed: 10/17/2022]
Abstract
Flexion-relaxation phenomenon (FRP) is a well-known phenomenon in spinal extensor muscles. According to the literature, prolonged flexed posture leads to creep phenomenon and affects the active and passive neuromuscular control of the spinal column. The purpose of this study was to investigate FRP occurrence in elite cyclists that prolonged flexion posture is an integral part of their professional life. Their muscles' contraction pattern during forward bending was also compared. Electromyography (EMG) was recorded during flexion and extension from standing position in thoracic erector spinae (TES), lumbar erector spinae (LES) and gluteus maximus (Gluteus max) in 15 healthy male elite cyclists. In addition, the kinematic data related to the trunk angles were simultaneously recorded by a motion analysis system. Two-way ANOVA was used to assess the effects of muscle group and direction of movement on maximum amplitude of EMG activity. Among 15 cyclists, FRP was detectable in 60%, 87% and 73% of the participants in TES, LES and Gluteus max, respectively, and happened between 74% and 82% of the trunk flexion. There was no statistically significant difference in onset and offset of muscles FRP. Despite prolong hyper kyphotic posture, FRP was identifiable in TES, LES and Gluteus max muscles of elite cyclists.
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Affiliation(s)
- M Hashem Boroojerdi
- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Rahimi
- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - M M Roostayi
- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Talebian Moghaddam
- Department of Physiotherapy, Faculty of Rehabilitation, Tehran University of Medical Sciences, Tehran, Iran
| | - M Yousefi
- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
- School of Physical Education, University of Birjand, Birjand, Iran
| | - M Norouzi
- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - A Akbarzadeh Baghban
- Department of Biostatistics, School of Paramedical Science, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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24
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Darvishi A, Yousefi M, Marull J, Dinan NM. Modelling ecological scarcity considering the long-term interaction between human and nature in dry agricultural landscapes. Application in Qazvin (Iran). Ecol Modell 2022. [DOI: 10.1016/j.ecolmodel.2022.110106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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25
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Moguei MRS, Habibi Z, Shahedi M, Yousefi M, Alimoradi A, Mobini S, Mohammadi M. Immobilization of Thermomyces lanuginosus lipase through isocyanide-based multi component reaction on multi-walled carbon nanotube: application for kinetic resolution of rac-ibuprofen. Biotechnology Reports 2022; 35:e00759. [PMID: 36060211 PMCID: PMC9434027 DOI: 10.1016/j.btre.2022.e00759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/29/2022] [Accepted: 08/11/2022] [Indexed: 10/26/2022]
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26
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Ebrahimabadi Z, Naimi S, Rahimi A, Yousefi M, Wikstrom E. Postural phase duration during self-generated and triggered gait initiation in patients with chronic ankle instability. Sci Sports 2022. [DOI: 10.1016/j.scispo.2022.08.001] [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: 10/14/2022]
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Bavandi H, Shahedi M, Habibi Z, Yousefi M, Brask J, Mohammadi M. Biocatalytic decarboxylative Michael addition for synthesis of 1,4-benzoxazinone derivatives. Sci Rep 2022; 12:12713. [PMID: 35882869 PMCID: PMC9325775 DOI: 10.1038/s41598-022-16291-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 07/07/2022] [Indexed: 11/23/2022] Open
Abstract
The Candida antarctica lipase B (Novozym 435) is found to catalyze a novel decarboxylative Michael addition in vinylogous carbamate systems for the synthesis of 1,4-benzoxazinone derivatives. The reaction goes through Michael addition, ester hydrolysis and decarboxylation. A possible mechanism is suggested, with simultaneous lipase-catalyzed Michael addition and ester hydrolysis. The present methodology offers formation of complex products through multi-step reactions in a one pot process under mild and facile reaction conditions with moderate to high yields (51–90%) and no side product formation. The reaction seems to be is a great example of enzymatic promiscuity.
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Affiliation(s)
- Hossein Bavandi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Mansour Shahedi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran
| | - Zohreh Habibi
- Department of Pure Chemistry, Faculty of Chemistry, Shahid Beheshti University, G.C., Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880, Bagsværd, Copenhagen, Denmark
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Ashkin EL, Cai H, Tang YJ, Li C, Chew SK, Hung K, Belk J, Karmakar S, Hebert J, Yousefi M, Swanton C, Petrov DA, Winslow M. Abstract 821: Dissecting the role of Stag2 in lung adenocarcinoma. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Lung cancer is the most common cause of cancer-related deaths worldwide. Cancers are driven by genomic alterations that activate tumor-promoting oncogenes and inactivate tumor suppressor genes. While some of the most common driver genes have been extensively characterized, many tumor suppressor genes are less well studied. A better understanding of the mechanisms by which different tumor suppressor genes constrain tumorigenesis has the potential to uncover unappreciated biological processes that influence carcinogenesis. Recently, we performed an in vivo screen within a genetically engineered mouse model of oncogenic KRAS-driven lung cancer and found that STAG2 inactivation dramatically increases tumor growth. While STAG2 is mutated in ~4% of human lung adenocarcinomas, 20% of lung adenocarcinomas are low or negative for STAG2 protein. STAG2 is a subunit of one of the two major cohesin complexes, which are present in all cell types and have been implicated in many different cellular processes. STAG2 has not previously been recognized as a critical tumor suppressor in lung cancer and the mechanism through which its inactivation drives lung tumor growth is unknown. Immunohistochemistry, low-pass whole genome sequencing, and analysis of canonical target genes suggest that STAG2 inactivation is not associated with mechanisms previously implicated in other cancer types including chromosomal instability, increased DNA damage, or the activation of MEK/ERK or cGAS/STING signaling. Interesting, we have found that Stag2 is the only cohesin subunit that functions as a tumor suppressor in lung cancer in vivo. Chromatin accessibility profiling and gene expression analyses on Stag2-proficient and -deficient mouse lung adenocarcinoma cells have unveiled potential mediators and effects of STAG2 function. Ongoing genomic analyses of human and mouse lung cancers will demystify the relationship between major cohesin complexes, uncover the impact of STAG2 inactivation on cohesin binding genome wide, and investigate the role of Stag2 inactivation on the tumor microenvironment. We anticipate that our study will uncover the mechanisms of STAG2-mediated tumor suppression in lung cancer and provide novel insights into lung tumorigenesis.
Citation Format: Emily L. Ashkin, Hongchen Cai, Yuning J. Tang, Chuan Li, Su Kit Chew, King Hung, Julia Belk, Saswati Karmakar, Jess Hebert, Maryam Yousefi, Charles Swanton, Dmitri A. Petrov, Monte Winslow. Dissecting the role of Stag2 in lung adenocarcinoma [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 821.
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Affiliation(s)
| | - Hongchen Cai
- 1Stanford University School of Medicine, Stanford, CA
| | | | - Chuan Li
- 2Stanford University, Stanford, CA
| | - Su Kit Chew
- 3University College London Cancer Institute, London, United Kingdom
| | - King Hung
- 1Stanford University School of Medicine, Stanford, CA
| | - Julia Belk
- 1Stanford University School of Medicine, Stanford, CA
| | | | - Jess Hebert
- 1Stanford University School of Medicine, Stanford, CA
| | | | - Charles Swanton
- 3University College London Cancer Institute, London, United Kingdom
| | | | - Monte Winslow
- 1Stanford University School of Medicine, Stanford, CA
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Cai H, Chew SK, Li C, Murray CW, Andrejka L, Hebert JD, Tsai MK, Tang R, Hughes NW, Shuldiner EG, Ashkin EL, Lee SYC, Yousefi M, Petrov DA, Swanton C, Winslow MW. Abstract 827: A journey to deconvolute the multifaceted functions and context-dependency of cancer driver genes. Cancer Res 2022. [DOI: 10.1158/1538-7445.am2022-827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Lung cancer is a lethal and genomically-complex disease. Structural genomics has largely advanced our knowledge of genomic alterations, yet the function of a majority of altered genes remains less clear. Previous in silico and in vitro functional genomics data often lead to contradictory conclusions on gene functions. Genetically-engineered mouse models are reliable approaches for in vivo functional analyses, but development of these models are lagging behind due to the throughput limit. To overcome this throughput limit, we developed tumor barcoding and ultradeep barcode sequencing (Tuba-seq) that precisely quantifies the growth metrics of hundreds of tumor genotypes, which is a huge leap forward. Through this approach, we have begun a journey to create a quantitative functional taxonomy of tumor suppression in oncogenic KRAS-driven lung cancer. For example, STAG2 and CDKN2C emerged as novel functional tumor suppressor genes in the lung, when they were often overlooked by computational analyses due to relatively low mutation prevalence. Interestingly, STK11 and PTEN, both playing an important role in tumor growth, exhibit distinct roles in tumor initiation. These findings suggest that structural genomics is not sufficient to predict cancer driver genes, and calls for closer investigation of tumor suppressor functions in specific tumorigenesis stages. Furthermore, the quantitative nature of our data has enabled systematic characterization of interactions between tumor suppressor genes. For instance, RNF43 exhibits different tumor suppression modes in the presence or absence of STK11 or TRP53, while TRP53 can play opposite roles in PTEN- and RB1-deficient tumors. In addition, Foggetti et al. (2021) reported that tumor suppressors can play opposite roles in the contexts of different oncogenes. Collectively, these findings suggest that cooccurring mutations shift the functional landscape of tumor suppressors even in the same pathological subtype of cancer. Given the genomic diversity of lung cancer patients, driver genes may change case by case. We are now investigating the molecular mechanisms underlying these tumor suppressors and their genetic interactions. Our findings underscore the necessity of determining the consequences of enormous combinations of genomic alterations in their natural environment, which is challenging but critical for understanding cancer evolution, interpreting clinical cancer genome sequencing data, and directing approaches to limit tumor initiation and progression.
Citation Format: Hongchen Cai, Su Kit Chew, Chuan Li, Christopher W. Murray, Laura Andrejka, Jess D. Hebert, Min K. Tsai, Rui Tang, Nicholas W. Hughes, Emily G. Shuldiner, Emily L. Ashkin, Shi Ya C. Lee, Maryam Yousefi, Dmitri A. Petrov, Charles Swanton, Monte W. Winslow. A journey to deconvolute the multifaceted functions and context-dependency of cancer driver genes [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2022; 2022 Apr 8-13. Philadelphia (PA): AACR; Cancer Res 2022;82(12_Suppl):Abstract nr 827.
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Affiliation(s)
| | - Su Kit Chew
- 2University College London Cancer Institute, London, United Kingdom
| | - Chuan Li
- 1Stanford University, Stanford, CA
| | | | | | | | | | - Rui Tang
- 1Stanford University, Stanford, CA
| | | | | | | | - Shi Ya C. Lee
- 2University College London Cancer Institute, London, United Kingdom
| | | | | | - Charles Swanton
- 2University College London Cancer Institute, London, United Kingdom
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Amini Y, Shahedi M, Habibi Z, Yousefi M, Ashjari M, Mohammadi M. A multi-component reaction for covalent immobilization of lipases on amine-functionalized magnetic nanoparticles: production of biodiesel from waste cooking oil. BIORESOUR BIOPROCESS 2022; 9:60. [PMID: 38647849 PMCID: PMC10991503 DOI: 10.1186/s40643-022-00552-0] [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: 03/03/2022] [Accepted: 05/20/2022] [Indexed: 11/10/2022] Open
Abstract
A new approach was used for the immobilization of Thermomyces lanuginosus lipase (TLL), Candida antarctica lipase B (CALB), and Rhizomucor miehei lipase (RML) on amine-functionalized magnetic nanoparticles (Fe3O4@SiO2-NH2) via a multi-component reaction route (using cyclohexyl isocyanide). The used method offered a single-step and very fast process for covalent attachment of the lipases under extremely mild reaction conditions (25 °C, water, and pH 7.0). Rapid and simple immobilization of 20 mg of RML, TLL, and CALB on 1 g of the support produced 100%, 98.5%, and 99.2% immobilization yields, respectively, after 2 h of incubation. The immobilized derivatives were then used for biodiesel production from waste cooking oil. Response surface methodology (RSM) in combination with central composite rotatable design (CCRD) was employed to evaluate and optimize the biodiesel production. The effect of some parameters such as catalyst amount, reaction temperature, methanol concentration, water content for TLL or water-adsorbent for RML and CALB, and ratio of t-butanol (wt%) were investigated on the fatty acid methyl esters (FAME) yield.
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Affiliation(s)
- Yalda Amini
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Mansour Shahedi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Zohreh Habibi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran
| | - Maryam Ashjari
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
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Yousefi M, Boross G, Weiss C, Murray CW, Hebert JD, Cai H, Ashkin EL, Karmakar S, Andrejka L, Chen L, Wang M, Tsai MK, Lin WY, Li C, Yakhchalian P, Colón CI, Chew SK, Chu P, Swanton C, Kunder CA, Petrov DA, Winslow MM. Combinatorial Inactivation of Tumor Suppressors Efficiently Initiates Lung Adenocarcinoma with Therapeutic Vulnerabilities. Cancer Res 2022; 82:1589-1602. [PMID: 35425962 PMCID: PMC9022333 DOI: 10.1158/0008-5472.can-22-0059] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Revised: 02/07/2022] [Accepted: 02/09/2022] [Indexed: 11/16/2022]
Abstract
Lung cancer is the leading cause of cancer death worldwide, with lung adenocarcinoma being the most common subtype. Many oncogenes and tumor suppressor genes are altered in this cancer type, and the discovery of oncogene mutations has led to the development of targeted therapies that have improved clinical outcomes. However, a large fraction of lung adenocarcinomas lacks mutations in known oncogenes, and the genesis and treatment of these oncogene-negative tumors remain enigmatic. Here, we perform iterative in vivo functional screens using quantitative autochthonous mouse model systems to uncover the genetic and biochemical changes that enable efficient lung tumor initiation in the absence of oncogene alterations. Generation of hundreds of diverse combinations of tumor suppressor alterations demonstrates that inactivation of suppressors of the RAS and PI3K pathways drives the development of oncogene-negative lung adenocarcinoma. Human genomic data and histology identified RAS/MAPK and PI3K pathway activation as a common feature of an event in oncogene-negative human lung adenocarcinomas. These Onc-negativeRAS/PI3K tumors and related cell lines are vulnerable to pharmacologic inhibition of these signaling axes. These results transform our understanding of this prevalent yet understudied subtype of lung adenocarcinoma. SIGNIFICANCE To address the large fraction of lung adenocarcinomas lacking mutations in proto-oncogenes for which targeted therapies are unavailable, this work uncovers driver pathways of oncogene-negative lung adenocarcinomas and demonstrates their therapeutic vulnerabilities.
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Affiliation(s)
- Maryam Yousefi
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
- These authors contributed equally
| | - Gábor Boross
- Department of Biology, Stanford University, Stanford, CA, USA
- These authors contributed equally
| | - Carly Weiss
- Department of Biology, Stanford University, Stanford, CA, USA
| | | | - Jess D. Hebert
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Hongchen Cai
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Emily L. Ashkin
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Saswati Karmakar
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Laura Andrejka
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Leo Chen
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Minwei Wang
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Min K. Tsai
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Wen-Yang Lin
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
| | - Chuan Li
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Pegah Yakhchalian
- Department of Medicine, David Geffen School of Medicine at University of California, Los Angeles, Los Angeles, CA, USA
| | - Caterina I. Colón
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
| | - Su-Kit Chew
- Cancer Evolution and Genome Instability Laboratory, University College London Cancer Institute, London, UK
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - Pauline Chu
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Charles Swanton
- Cancer Evolution and Genome Instability Laboratory, University College London Cancer Institute, London, UK
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, UK
| | - Christian A. Kunder
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
| | - Dmitri A. Petrov
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
- Department of Biology, Stanford University, Stanford, CA, USA
| | - Monte M. Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, CA, USA
- Cancer Biology Program, Stanford University School of Medicine, Stanford, CA, USA
- Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
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32
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Ahrari F, Yousefi M, Habibi Z, Mohammadi M. Application of undecanedicarboxylic acid to prepare cross-linked enzymes (CLEs) of Rhizomucor miehei lipase (RML); Selective enrichment of polyunsaturated fatty acids. Molecular Catalysis 2022. [DOI: 10.1016/j.mcat.2022.112172] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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Yousefi M, Peymani M, Ghaedi K, Irani S, Etemadifar M. Significant modulations of linc001128 and linc0938 with miR-24-3p and miR-30c-5p in Parkinson disease. Sci Rep 2022; 12:2569. [PMID: 35173238 PMCID: PMC8850599 DOI: 10.1038/s41598-022-06539-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 01/24/2022] [Indexed: 12/22/2022] Open
Abstract
Parkinson disease (PD) is the second most common neurodegenerative disease; the evidence suggests that lncRNAs and miRNAs play an important role in regulating the PD-related genes. The purpose of this research was to introduce two novel lncRNAs as the biomarker of PD diagnosis and treatment. We evaluated the expression profiles of six nodes of two regulatory networks in the PBMCs which had been got from 38 PD patients and 20 healthy individuals by qRT-PCR. Then, we compared the expression of these RNAs in both early and late stages of PD with the controls to determine if their expression could be related to the severity of disease. Further, this study investigated the direct interaction between one of the lncRNAs and target miRNA by using the dual luciferase assay. The results of the expression profiles of six nodes of the two ceRNA networks shown that linc01128, hsa-miR-24-3p and hsa-miR-30c-5p expression were significantly downregulated. While, the Linc00938, LRRK2 and ATP13A2 expression were up-regulated in the PBMC of the PD patients, in comparison to the controls. In addition, this study demonstrated that linc00938 directly sponged hsa-miR-30c-5p. The present study, therefore, for the first time, revealed two candidate lncRNAs as the biomarkers in the PD patients.
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Affiliation(s)
- Maryam Yousefi
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Maryam Peymani
- Department of Animal Biotechnology, Cell Science Research Center, Royan Institute for Biotechnology, ACECR, Isfahan, Iran. .,Department of Biology, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran.
| | - Kamran Ghaedi
- Department of Cell and Molecular Biology and Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
| | - Shiva Irani
- Department of Biology, Science and Research Branch, Islamic Azad University, Tehran, Iran
| | - Masoud Etemadifar
- Department of Neurology and Isfahan Neurosurgery Research Center, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
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Nejati A, Soheili P, Yousefipoor S, Zahraei SM, Mahmoudi S, Yousefi M, Mollaei-Kandelous Y, Samimi-Rad K, Tabatabaie H, Khodakhah F, Shahmahmoodi S. Molecular typing of enteroviruses and parechoviruses in acute flaccid paralysis patients in Iran in 2019. Arch Virol 2022; 167:891-899. [PMID: 35147803 DOI: 10.1007/s00705-022-05359-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Accepted: 12/01/2021] [Indexed: 11/02/2022]
Abstract
Enteroviruses (EVs) and parechoviruses (PeVs) are among the viral pathogens that can cause acute flaccid paralysis (AFP). There is not sufficient information about direct detection of EVs and PeVs in AFP patients in Iran. The aim of this study was to conduct a one-year study for direct detection and molecular typing of EVs and PeVs from stool samples of AFP patients in Iran. One hundred stool samples from polio-negative AFP patients who were referred to the Iran National Polio Laboratory were randomly chosen and analyzed during 2019. A one-step TaqMan probe-based real-time RT-PCR assay targeting the 5'-untranslated region (5' -UTR) was used to screen for EVs and PeVs. All positive samples were genotyped by direct sequencing, targeting the VP1 region of the genome. In total, twelve (12%) and four (4%) stool samples from polio-negative AFP children were positive for EVs and PeVs, respectively. Sequence analysis revealed the presence of echovirus 2 (E2), echovirus 13 (E13), echovirus 25 (E25), echovirus 30 (E30), coxsackievirus A2 (CVA2), coxsackievirus A9 (CVA9), coxsackievirus A16 (CVA16), human enterovirus A76 (HEV-A76), and human parechovirus 1 (HPeV1) in children with AFP-like symptoms. Phylogenetic analysis showed that E2 strains clustered together with the strains circulating in the Netherlands during 2014, whereas the PeV strains belonged to different lineages. This study demonstrates that different EV types are associated with AFP cases in Iran. However, the frequency of association of PeVs with AFP cases appears to be low.
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Affiliation(s)
- Ahmad Nejati
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Parastoo Soheili
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Soodeh Yousefipoor
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Seyed Mohsen Zahraei
- Vaccine Preventable Diseases Department, Center for Communicable Diseases Control, Ministry of Health and Medical Education, Tehran, Iran
| | - Sussan Mahmoudi
- Vaccine Preventable Diseases Department, Center for Communicable Diseases Control, Ministry of Health and Medical Education, Tehran, Iran
| | - Maryam Yousefi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Yaghoob Mollaei-Kandelous
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Katayoun Samimi-Rad
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Hamideh Tabatabaie
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Farshad Khodakhah
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran
| | - Shohreh Shahmahmoodi
- National Polio Laboratory, Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, 14716-13151, Iran.
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Yousefi M, Narchi M, Sharafi M, Borghei-Rad SM, Shahverdi A, Masoudi R. Rooster frozen-thawed semen quality following sublethal xanthine oxidase treatments. Anim Reprod Sci 2021; 235:106883. [PMID: 34768036 DOI: 10.1016/j.anireprosci.2021.106883] [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: 02/26/2021] [Revised: 10/25/2021] [Accepted: 10/28/2021] [Indexed: 10/19/2022]
Abstract
Reactive oxygen species are associated with cryodamage and may be a factor causing or exacerbating cellular cryodamage during freezing and thawing processes. Induction of sublethal oxidative stress as a new approach for preconditioning of sperm improves the cryo-resistance of sperm. The aim of this study was to investigate effects of sublethal concentrations of xanthine oxidase (XO), which induces oxidative stress before cryopreservation on values for semen quality variables of rooster sperm post-thawing. Semen samples were collected from 15 roosters and treated with different concentrations of XO [XO-0, XO-0.005, XO-0.05, XO-0.5, XO-5, and XO-50 U/ml]; then, the effects of treatments with XO as sublethal stressors, were examined. Results indicated the XO-0.5 and XO-5 treatments resulted in a greater percentage of sperm total motility, progressive motility, viability, and membrane functionality compared to other groups. There was no difference after treatments with XO-0, XO-0.005, and XO-0.05 on sperm total motility, membrane functionality, apoptosis, mitochondria activity, and viability. There was a greater percentage of mitochondria activity in sperm of the XO-0.05, XO-0.5, and XO-5 groups. Furthermore, there was the greatest concentration of malondialdehyde (MDA) in samples of the XO-50 group. Values for sperm abnormal morphology, acrosome integrity, and DNA fragmentation were not different among samples post-thawing. Sperm treated with XO-0.5 and XO-5 had a greater fertilization capacity than those of the control group. In conclusion, treatment of sperm with 0.5 and 5 U/ml XO as inducers of mild oxidative stress before cryopreservation, improved several function quality indices of sperm post-thawing.
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Affiliation(s)
- M Yousefi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - M Narchi
- Faculty of Veterinay, Islamic Azad University, Karaj Branch, Karaj, Iran
| | - M Sharafi
- Department of Poultry Science, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
| | - S M Borghei-Rad
- Department of Embryology at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - A Shahverdi
- Department of Embryology at Reproductive Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
| | - R Masoudi
- Animal Science Research Institute of Iran (ASRI), Agricultural Research Education and Extension Organization (AREEO), Karaj, Iran.
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Shooshtary Veisi S, Yousefi M, Amini M, Shakeri A, Bagherzadeh M, Afghahi SS. Magnetic properties, structural studies and microwave absorption performance of Ba0.5Sr0.5CuxZrxFe12-2xO19/Poly Ortho-Toluidine (X = 0.2,0.4, 0.6, 0.8) ceramic nanocomposites. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108802] [Citation(s) in RCA: 1] [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] [Indexed: 01/16/2023]
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37
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Javadi M, Nejati A, Yousefi M, Mahmoodi M, Shoja Z, Shahmahmoodi S. First seroepidemiological investigation of human enterovirus 71 in Iran. Iran J Microbiol 2021; 13:502-508. [PMID: 34557279 PMCID: PMC8421584 DOI: 10.18502/ijm.v13i4.6975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Background and Objectives: Human Enterovirus 71 (EV-A71) is the causative agent for many dermal to neurological diseases especially polio-like paralysis outbreaks around the world. This study, the first of this kind in Iran, aimed to find neutralizing antibodies against EV-A71 in serum of healthy individuals in different age groups based on neutralization test (NT). Materials and Methods: In this cross-sectional study, 547 serum samples were collected from healthy individuals who were referring for routine checkup tests (aged from under 6 months to over 31 years old) to Imam-Khomeini Hospital in Tehran during January-December 2015. Serum samples were examined by NT in cell culture to detect neutralizing antibodies against EV-A71. In the next step, some of the positive samples were subjected to complete titration to determine the exact titer of anti-EV-A71 antibodies. Results: Of 547 samples, 310 (56.7%) were positive for EV-A71 neutralizing antibody. The presence of the antibody increased with age (p<0.001), and there was a significant statistical relationship between sex and the presence of antibody (p=0.009). Conclusion: Our results demonstrated an apparent but limited circulation of EV-A71 in our society. After the worldwide eradication of poliovirus, EV-A71 which can cause polio-likes syndrome, might be the new challenge for our health care system as regard more in depth research is however needed.
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Affiliation(s)
- Mahsa Javadi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.,Department of Virology, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Ahmad Nejati
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Yousefi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Mahmoodi
- Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Shohreh Shahmahmoodi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Yousefi M, Nečesal D, Scharf T, Rossi M. Structured light engineering using a photonic nanojet. Opt Lett 2021; 46:3661-3664. [PMID: 34329250 DOI: 10.1364/ol.425121] [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] [Received: 03/15/2021] [Accepted: 06/07/2021] [Indexed: 06/13/2023]
Abstract
In this Letter, we present the photonic nanojet as a phenomenon in a structured light generator system that is implemented to modify the source focal spot size and emission angle. The optical system comprises a microlens array that is illuminated by a focused Gaussian beam to generate a structured pattern in the far field. By introducing a spheroid with different aspect ratios in the focus of the Gaussian beam, the source optical characteristics change, and a photonic nanojet is generated, which will engineer the far-field distribution. To probe the light fields, we implement a high-resolution interferometry setup to extract both the phase and intensity at different planes. We both numerically and experimentally demonstrate that the pattern distribution in the far field can be engineered by a photonic nanojet. As an example, we examine prolate, sphere, and oblate geometries. An interesting finding is that depending on the spheroid geometry, a smaller transverse FWHM of a photonic nanojet with a higher divergence angle produces an increased pattern field of view at the same physical size of the optical system.
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Li C, Lin WY, Rizvi H, Cai H, McFarland CD, Rogers ZN, Yousefi M, Winters IP, Rudin CM, Petrov DA, Winslow MM. Quantitative In Vivo Analyses Reveal a Complex Pharmacogenomic Landscape in Lung Adenocarcinoma. Cancer Res 2021; 81:4570-4580. [PMID: 34215621 PMCID: PMC8416777 DOI: 10.1158/0008-5472.can-21-0716] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/04/2021] [Accepted: 07/01/2021] [Indexed: 01/02/2023]
Abstract
The lack of knowledge about the relationship between tumor genotypes and therapeutic responses remains one of the most critical gaps in enabling the effective use of cancer therapies. Here, we couple a multiplexed and quantitative experimental platform with robust statistical methods to enable pharmacogenomic mapping of lung cancer treatment responses in vivo. The complex map of genotype-specific treatment responses uncovered that over 20% of possible interactions show significant resistance or sensitivity. Known and novel interactions were identified, and one of these interactions, the resistance of KEAP1-mutant lung tumors to platinum therapy, was validated using a large patient response data set. These results highlight the broad impact of tumor suppressor genotype on treatment responses and define a strategy to identify the determinants of precision therapies. SIGNIFICANCE: An experimental and analytical framework to generate in vivo pharmacogenomic maps that relate tumor genotypes to therapeutic responses reveals a surprisingly complex map of genotype-specific resistance and sensitivity.
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Affiliation(s)
- Chuan Li
- Department of Biology, Stanford University, Stanford, California
| | - Wen-Yang Lin
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Hira Rizvi
- Druckenmiller Center for Lung Cancer Research, Memorial Sloan Kettering Cancer Center, New York, New York
| | - Hongchen Cai
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | | | - Zoe N Rogers
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Maryam Yousefi
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Ian P Winters
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Charles M Rudin
- Department of Medicine, Thoracic Oncology Service, Memorial Sloan Kettering Cancer Center, New York, New York.,Department of Medicine, Weill Cornell Medical College, New York, New York
| | - Dmitri A Petrov
- Department of Biology, Stanford University, Stanford, California. .,Cancer Biology Program, Stanford University School of Medicine, Stanford, California
| | - Monte M Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, California. .,Cancer Biology Program, Stanford University School of Medicine, Stanford, California.,Department of Pathology, Stanford University School of Medicine, Stanford, California
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Cai H, Chew SK, Li C, Tsai MK, Andrejka L, Murray CW, Hughes NW, Shuldiner EG, Ashkin EL, Tang R, Hung KL, Chen LC, Lee SYC, Yousefi M, Lin WY, Kunder CA, Cong L, McFarland CD, Petrov DA, Swanton C, Winslow MM. A Functional Taxonomy of Tumor Suppression in Oncogenic KRAS-Driven Lung Cancer. Cancer Discov 2021; 11:1754-1773. [PMID: 33608386 PMCID: PMC8292166 DOI: 10.1158/2159-8290.cd-20-1325] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/25/2020] [Accepted: 02/12/2021] [Indexed: 12/13/2022]
Abstract
Cancer genotyping has identified a large number of putative tumor suppressor genes. Carcinogenesis is a multistep process, but the importance and specific roles of many of these genes during tumor initiation, growth, and progression remain unknown. Here we use a multiplexed mouse model of oncogenic KRAS-driven lung cancer to quantify the impact of 48 known and putative tumor suppressor genes on diverse aspects of carcinogenesis at an unprecedented scale and resolution. We uncover many previously understudied functional tumor suppressors that constrain cancer in vivo. Inactivation of some genes substantially increased growth, whereas the inactivation of others increases tumor initiation and/or the emergence of exceptionally large tumors. These functional in vivo analyses revealed an unexpectedly complex landscape of tumor suppression that has implications for understanding cancer evolution, interpreting clinical cancer genome sequencing data, and directing approaches to limit tumor initiation and progression. SIGNIFICANCE: Our high-throughput and high-resolution analysis of tumor suppression uncovered novel genetic determinants of oncogenic KRAS-driven lung cancer initiation, overall growth, and exceptional growth. This taxonomy is consistent with changing constraints during the life history of cancer and highlights the value of quantitative in vivo genetic analyses in autochthonous cancer models.This article is highlighted in the In This Issue feature, p. 1601.
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Affiliation(s)
- Hongchen Cai
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Su Kit Chew
- Cancer Evolution and Genome Instability Laboratory, University College London Cancer Institute, London, United Kingdom
| | - Chuan Li
- Department of Biology, Stanford University, Stanford, California
| | - Min K Tsai
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Laura Andrejka
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Christopher W Murray
- Cancer Biology Program, Stanford University School of Medicine, Stanford, California
| | - Nicholas W Hughes
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | | | - Emily L Ashkin
- Cancer Biology Program, Stanford University School of Medicine, Stanford, California
| | - Rui Tang
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - King L Hung
- Cancer Biology Program, Stanford University School of Medicine, Stanford, California
| | - Leo C Chen
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Shi Ya C Lee
- Cancer Evolution and Genome Instability Laboratory, University College London Cancer Institute, London, United Kingdom
| | - Maryam Yousefi
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Wen-Yang Lin
- Department of Genetics, Stanford University School of Medicine, Stanford, California
| | - Christian A Kunder
- Department of Pathology, Stanford University School of Medicine, Stanford, California
| | - Le Cong
- Department of Genetics, Stanford University School of Medicine, Stanford, California
- Department of Pathology, Stanford University School of Medicine, Stanford, California
| | | | - Dmitri A Petrov
- Department of Biology, Stanford University, Stanford, California.
- Cancer Biology Program, Stanford University School of Medicine, Stanford, California
| | - Charles Swanton
- Cancer Evolution and Genome Instability Laboratory, University College London Cancer Institute, London, United Kingdom.
- Cancer Evolution and Genome Instability Laboratory, The Francis Crick Institute, London, United Kingdom
| | - Monte M Winslow
- Department of Genetics, Stanford University School of Medicine, Stanford, California.
- Cancer Biology Program, Stanford University School of Medicine, Stanford, California
- Department of Pathology, Stanford University School of Medicine, Stanford, California
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Saeidian A, Youssefian L, Sotoudeh S, Goodarzi A, Mahmoudi H, Yousefi M, Zeinali S, Casanova J, Jouanguy E, Uitto J, Vahidnezhad H. 172 Inherited STK4/MST1 deficiency in two unrelated families with atypical epidermodysplasia verruciformis. J Invest Dermatol 2021. [DOI: 10.1016/j.jid.2021.02.192] [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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Shahedi M, Habibi Z, Yousefi M, Brask J, Mohammadi M. Improvement of biodiesel production from palm oil by co-immobilization of Thermomyces lanuginosa lipase and Candida antarctica lipase B: Optimization using response surface methodology. Int J Biol Macromol 2020; 170:490-502. [PMID: 33383081 DOI: 10.1016/j.ijbiomac.2020.12.181] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/23/2020] [Accepted: 12/23/2020] [Indexed: 12/14/2022]
Abstract
Candida antarctica lipase B (CALB) and Thermomyces lanuginose lipase (TLL) were co-immobilized on epoxy functionalized silica gel via an isocyanide-based multicomponent reaction. The immobilization process was carried out in water (pH 7) at 25 °C, rapidly (3 h) resulting in high immobilization yields (100%) with a loading of 10 mg enzyme/g support. The immobilized preparations were used to produce biodiesel by transesterification of palm oil. In an optimization study, response surface methodology (RSM) and central composite rotatable design (CCRD) methods were used to study the effect of five independent factors including temperature, methanol to oil ratio, t-butanol concentration and CALB:TLL ratio on the yield of biodiesel production. The optimum combinations for the reaction were CALB:TLL ratio (2.1:1), t-butanol (45 wt%), temperature (47 °C), methanol: oil ratio (2.3). This resulted in a FAME yield of 94%, very close to the predicted value of 98%.
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Affiliation(s)
- Mansour Shahedi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran
| | - Zohreh Habibi
- Department of Organic Chemistry and Oil, Faculty of Chemistry, Shahid Beheshti University, Tehran, Iran.
| | - Maryam Yousefi
- Nanobiotechnology Research Center, Avicenna Research Institute, ACECR, Tehran, Iran.
| | - Jesper Brask
- Novozymes A/S, Krogshøjvej 36, 2880 Bagsværd, Copenhagen, Denmark
| | - Mehdi Mohammadi
- Bioprocess Engineering Department, Institute of Industrial and Environmental Biotechnology, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran
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Zazouli MA, Yousefi M, Ghanbari F, Babanezhad E. Performance of photocatalytic ozonation process for pentachlorophenol (PCP) removal in aqueous solution using graphene-TiO 2 nanocomposite (UV/G-TiO 2/O 3). J Environ Health Sci Eng 2020; 18:1083-1097. [PMID: 33312626 PMCID: PMC7721932 DOI: 10.1007/s40201-020-00529-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Accepted: 09/03/2020] [Indexed: 06/12/2023]
Abstract
The aim of this study was to evaluate the efficiency of photocatalytic ozonation process using graphene-dioxide titanium nanocomposite in removing Pentachlorophenol (PCP) from aqueous solutions. In this study, nanocomposites with graphene to TiO2(G/T) ratios of 1:10 and 1:20 were synthesized by hydrothermal method, and its characteristics were assessed using various analyses, SEM, XRD, FTIR, TEM, BET and TGA. In this process, the effects of parameters including O3 concentration (0.25-1.25 mg/L), nanocomposite concentration (50-500 mg/L), initial PCP concentration (10-100 mg/L), and time (10-60 min), were studied. The results showed that PCP removal efficiency was increased by decreasing solute concentration. Increasing nanocomposite dose to 100 mg/L was led to an increase in efficiency (99.1%), but then a decreasing trend was observed. Increasing the concentration of ozone, up to specific value, also enhanced the efficiency but then had a negative effect on process efficiency. Furthermore, the optimum ratio of the catalyst was determined to be 1:20. The highest efficiency of the process for initial pentachlorophenol concentration of 100 mg/L was obtained 98.82% in optimum conditions (catalyst dose of 100 mg/L and 60 min). It is concluded that the photocatalytic ozonation process using graphene-dioxide titanium nanocomposite had the highest efficiency in removal and mineralization of PCP.
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Affiliation(s)
- Mohammad Ali Zazouli
- Department of Environmental Health Engineering, Health Sciences Research Center, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran
| | - Maryam Yousefi
- Department of Environmental Health Engineering, Student Research Committee, Mazandaran University of Medical Science, Sari, Iran
| | - Farshid Ghanbari
- Department of Environmental Health Engineering, Abadan Faculty of Medical Siences, Abadan, Iran
| | - Esmaeil Babanezhad
- Department of Environmental Health Engineering, Health Sciences Research Center, Faculty of Health, Mazandaran University of Medical Sciences, Sari, Iran
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Pourlak T, Pourlak T, Ghodrati M, Mortazavi A, Dolati S, Yousefi M. Usage of stem cells in oral and maxillofacial region. J Stomatol Oral Maxillofac Surg 2020; 122:441-452. [PMID: 33099018 DOI: 10.1016/j.jormas.2020.10.003] [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] [Subscribe] [Scholar Register] [Received: 05/22/2020] [Revised: 09/07/2020] [Accepted: 10/06/2020] [Indexed: 11/30/2022]
Abstract
Malformations of the maxillofacial region has disturbing psychosocial effects and causes enormous socioeconomic concerns. The management of maxillofacial defects caused by congenital anomalies, trauma, osteoporotic fractures, periodontitis, or cancer treatment is challenging for oral and maxillofacial surgeons. Numerous approaches have been recommended for the managing of these deficiencies. The traditional treatment for maxillofacial defects or their repair is an intricate process by autologous bone grafts from the scapula, ribs, fibula, or iliac crest origins. Regenerative medicine is well thought-out as a perfect substitute approach for autologous bone grafts to renovate bone deficiencies. The use of stem cells has improved results and offered a technique to reconstruct craniofacial bone defects. The field of tissue engineering for the regeneration of maxillofacial needs integration of biochemical and biomaterial engineering aspects with cell transplantation to generate better-quality biomimetic scaffolds, prevascularize three-dimensional (3D) tissue structures, and engineer the composite interface of diverse facial tissues. In this review, we have discussed the application of different adult stem cells to repair oral and maxillofacial defects in animal models and clinical trials.
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Affiliation(s)
- T Pourlak
- Aging Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - T Pourlak
- Department of Pathology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - M Ghodrati
- Department of Endodontics, Dental and Periodental Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - A Mortazavi
- Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - S Dolati
- Physical Medicine and Rehabilitation Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - M Yousefi
- Department of Immunology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Stem Cell Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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Yousefi M, Darvishi A, Padró R, Barghjelveh S, Mobarghaee Dinan N, Marull J. An energy-landscape integrated analysis to evaluate agroecological scarcity. Sci Total Environ 2020; 739:139998. [PMID: 32534318 DOI: 10.1016/j.scitotenv.2020.139998] [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] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/02/2020] [Accepted: 06/03/2020] [Indexed: 06/11/2023]
Abstract
Agrarian landscapes theoretically provide ecosystem services that meet the demands of a wide range of socioecological processes. Consequently, any landscape agroecology approach must tackle the dynamic interaction of land-use distribution and associated social metabolism at different spatiotemporal scales. An agroecological scarcity case study explores how driven agricultural energy flows interact with landscape complexity in arid landscapes of 46 counties in the Qazvin Province (Iran). An Energy-Landscape Integrated Analysis (ELIA) was performed to correlate the energy reinvestment (E) and energy redistribution (I) present within the social metabolism network, with landscape complexity (Le) measured in terms of spatial patterns and related ecological processes. As well, a cluster analysis was run to establish agrarian landscape typologies based on the ELIA indicators. The results of this study provide an explicit sketch of the four strategies that society in Qazvin Province has developed within the dry environments that sustain it. Our findings confirm the hypothesis that there is a positive relationship between optimizing non-dissipative internal energy loops and landscape complexity, which can explain agroecosystem sustainability. This research enables us to define spatially informed agroecological transitions from a territorially explicit socioecological perspective and will make a significant contribution to decisions on agricultural policies given different land-use strategies, especially under scenarios of ecological scarcity.
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Affiliation(s)
- Maryam Yousefi
- Department of Environmental Planning and Design, Environmental Sciences Research Institute, Shahid Beheshti University, 1983969411 Tehran, Iran; Metropolitan Laboratory of Ecology and Territory of Barcelona, IERMB, Autonomous University of Barcelona, 08193 Bellaterra, Spain
| | - Asef Darvishi
- Department of Environmental Planning and Design, Environmental Sciences Research Institute, Shahid Beheshti University, 1983969411 Tehran, Iran; Metropolitan Laboratory of Ecology and Territory of Barcelona, IERMB, Autonomous University of Barcelona, 08193 Bellaterra, Spain
| | - Roc Padró
- Metropolitan Laboratory of Ecology and Territory of Barcelona, IERMB, Autonomous University of Barcelona, 08193 Bellaterra, Spain
| | - Shahindokht Barghjelveh
- Department of Environmental Planning and Design, Environmental Sciences Research Institute, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Naghmeh Mobarghaee Dinan
- Department of Environmental Planning and Design, Environmental Sciences Research Institute, Shahid Beheshti University, 1983969411 Tehran, Iran
| | - Joan Marull
- Metropolitan Laboratory of Ecology and Territory of Barcelona, IERMB, Autonomous University of Barcelona, 08193 Bellaterra, Spain.
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Kabuga AI, Nejati A, Soheili P, Yousefipoor S, Yousefi M, Mollaiee Y, Shahmahmoodi S. Cell culture demonstrates superior sensitivity over one step real time RT PCR and nested VP1 amplification for Enteroviruses. J Virol Methods 2020; 287:113994. [PMID: 33068705 DOI: 10.1016/j.jviromet.2020.113994] [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] [Received: 04/18/2020] [Revised: 10/09/2020] [Accepted: 10/09/2020] [Indexed: 10/23/2022]
Abstract
This study evaluated and compared the sensitivity profile of routine cell culture, nested VP1 amplification and one step real time RT PCR for Enteroviruses. Serially diluted spiked samples of four model viruses (EV71, CVA16, CVB5 and PV1) and 32 true positive samples including Poliovirus (PV1 & PV3), Coxsackie virus (CVB5, CVB3, CVB1 & CVA4, 10, 16), Echovirus (Echo 6, 7, 11, 13, 18, 25 & 30) and Enterovirus 71 (E71), and 32 true negative stool samples were subjected to cell culture, nested RT PCR and one step real time RT PCR. The result of sensitivity test indicated superior sensitivity with one step real time RT PCR (75 %, 24/32) against cell culture (71.9 %, 23/32) and nested RT PCR (65.6 %, 21/32). The most specific test was cell culture (100 %, 32/32), followed by nested RT PCR (96.9 %, 31/32). Positive predictive values were 100 %: 23/23, 95.5 %; 21/22 and 88.9 %; 24/27, for cell culture, nested RT PCR and one step real time RT PCR, respectively, and one step real time RT PCR had the highest negative predictive value (78.4 %, 29/37). Overall result indicate relatively high analytical sensitivity with all the tests, suggesting superior performance by cell culture. Therefore, cell culture is the gold standard. However, considering intensive nature of cell cultures and prolong window for results, it is wise to consider one step real time RT PCR in routine diagnosis for its added advantages. Meanwhile, selecting a combination of tests can maximize detection, depending on the laboratory strength.
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Affiliation(s)
- Auwal Idris Kabuga
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Nejati
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Parastoo Soheili
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Soodeh Yousefipoor
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Maryam Yousefi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Yaghoob Mollaiee
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Shohreh Shahmahmoodi
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Food Microbiology Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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Bavandi H, Habibi Z, Yousefi M. Porcine pancreas lipase as a green catalyst for synthesis of bis-4-hydroxy coumarins. Bioorg Chem 2020; 103:104139. [DOI: 10.1016/j.bioorg.2020.104139] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 06/09/2020] [Accepted: 07/22/2020] [Indexed: 01/06/2023]
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Yousefi M, Jonaidi H, Sadeghi B. Influence of peripheral lipopolysaccharide (LPS) on feed intake, body temperature and hypothalamic expression of neuropeptides involved in appetite regulation in broilers and layer chicks. Br Poult Sci 2020; 62:110-117. [PMID: 32820660 DOI: 10.1080/00071668.2020.1813254] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
1. This study examined the expression of genes related to appetite-regulating neuropeptides in the hypothalamus of broiler and layer chicks (Gallus gallus) after intraperitoneal (IP) injection of lipopolysaccharide (LPS). 2. Both broiler and layer chicks received (n = 10 per group) LPS at doses of 0 and 200 µg and feed intake was measured up to 6 h after injection. In a further experiment, (n = 8 per group) mRNA abundance of some hypothalamic neuropeptides was measured 2 h after injection. The rectal temperature of each chick was measured before and 2 h post-injection. 3. Feed intake was significantly decreased by LPS from 2 h after injection and thereafter, while the rectal temperature did not change. 4. LPS decreased the expression of appetite-enhancing neuropeptides: neuropeptide Y (NPY) and agouti-related peptide (AgRP) in broilers and, NPY in layer chicks. The expression of appetite-suppressing neuropeptides (corticotrophin-releasing factor (CRF), proopiomelanocortin (POMC) and, cocaine and amphetamine regulated-transcript (CART) was not changed in broilers, while CRF tended to decrease and POMC was significantly decreased in layers. The abundance of the cytokine tumour necrosis factor-alpha (TNF-α) did not change in broilers but was decreased in layers. 5. The findings indicated that the reduction in gene expression of hypothalamic appetite-enhancing neuropeptides NPY and AgRP is responsible for anorexia caused by LPS at a dose that did not influence body temperature.
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Affiliation(s)
- M Yousefi
- Division of Physiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman (SBUK) , Kerman, Iran
| | - H Jonaidi
- Division of Physiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman (SBUK) , Kerman, Iran
| | - B Sadeghi
- Division of Food Hygiene and Public Health, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman (SBUK) , Kerman, Iran
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Memari E, Maghsoudi A, Yazdian F, Yousefi M, Mohammadi M. Synthesis of PHB-co-PEI nanoparticles as gene carriers for miR-128-encoding plasmid delivery to U87 glioblastoma cells. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124898] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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