Full Text Journal Articles by
Author Punit Prasad

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Quantitative proteomics of hamster lung tissues infected with SARS-CoV-2 reveal host factors having implication in the disease pathogenesis and severity.

Voddu Suresh, Varshasnata Mohanty, Kiran Avula, Arup Ghosh, Bharati Singh, Rajendra Kumar Reddy, Deepti Parida, Amol Ratnakar Suryawanshi, Sunil Kumar Raghav, Soma Chattopadhyay, Punit Prasad, Rajeeb Kumar Swain, Rupesh Dash, Ajay Parida, Gulam Hussain Syed, Shantibhusan Senapati,

Syrian golden hamsters (Mesocricetus auratus) infected by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) manifests lung pathology. In this study, efforts were made to check the infectivity of a local SARS-CoV-2 isolate in a self-limiting and non-lethal hamster model and evaluate the differential expression of lung proteins during acute infection ... Read more >>

FASEB J (FASEB journal : official publication of the Federation of American Societies for Experimental Biology)
[2021, 35(7):e21713]

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Correction: RRBP1 rewires cisplatin resistance in oral squamous cell carcinoma by regulating Hippo pathway.

Omprakash Shriwas, Rakesh Arya, Sibasish Mohanty, Pallavi Mohapatra, Sugandh Kumar, Rachna Rath, Sandeep Rai Kaushik, Falak Pahwa, Krushna Chandra Murmu, Saroj Kumar Das Majumdar, Dillip Kumar Muduly, Anshuman Dixit, Punit Prasad, Ranjan K Nanda, Rupesh Dash,

Br J Cancer (British journal of cancer)
[2021, 124(12):2039]

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RRBP1 rewires cisplatin resistance in oral squamous cell carcinoma by regulating Hippo pathway.

Omprakash Shriwas, Rakesh Arya, Sibasish Mohanty, Pallavi Mohapatra, Sugandh Kumar, Rachna Rath, Sandeep Rai Kaushik, Falak Pahwa, Krushna Chandra Murmu, Saroj Kumar Das Majumdar, Dillip Kumar Muduly, Anshuman Dixit, Punit Prasad, Ranjan K Nanda, Rupesh Dash,

<h4>Background</h4>Chemoresistance is one of the major factors for treatment failure in OSCC. Identifying key resistance triggering molecules will be useful strategy for developing novel treatment methods.<h4>Methods</h4>To identify the causative factors of chemoresistance, we performed RNA sequencing and global proteomic profiling of human OSCC lines presenting with sensitive, early and late ... Read more >>

Br J Cancer (British journal of cancer)
[2021, 124(12):2004-2016]

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SARS-CoV-2 specific immune-signature in direct contacts of COVID-19 cases protect them from contracting disease: A Retrospective Study

Sunil Raghav, Kaushik Sen, Arup Ghosh, Sudeshna Datta, Abdul Ahad, Atimukta Jha, Sanchari Chatterjee, Sandhya Suranjika, Soumya Sengupta, Gargee Bhattacharya, Omprakash Shriwas, Kiran Avula, Jayasingh Kshatri, Punit Prasad, Ajay Parida,

The response to SARS-CoV-2 is largely impacted by the level of exposure and the status of immunity. The nature of protection shown by direct contacts of COVID-19 positive patients is quite intriguing to note. We aimed to study the immune differences reinforcing contact individuals in circumventing the disease. Our observation ... Read more >>

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Molecular basis of the logical evolution of the novel coronavirus SARS-CoV-2: A comparative analysis

Abhisek Dwivedy, Krushna Chandra Murmu, Mohammed Ahmad, Punit Prasad, Bichitra Kumar Biswal, Palok Aich,

A novel disease, COVID-19, is sweeping the world since end of 2019. While in many countries, the first wave is over, but the pandemic is going through its next phase with a significantly higher infectability. COVID-19 is caused by the novel Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) that seems ... Read more >>

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Abo1 is required for the H3K9me2 to H3K9me3 transition in heterochromatin.

Wenbo Dong, Eriko Oya, Yasaman Zahedi, Punit Prasad, J Peter Svensson, Andreas Lennartsson, Karl Ekwall, Mickaël Durand-Dubief,

Heterochromatin regulation is critical for genomic stability. Different H3K9 methylation states have been discovered, with distinct roles in heterochromatin formation and silencing. However, how the transition from H3K9me2 to H3K9me3 is controlled is still unclear. Here, we investigate the role of the conserved bromodomain AAA-ATPase, Abo1, involved in maintaining global ... Read more >>

Sci Rep (Scientific reports)
[2020, 10(1):6055]

Cited: 1 time

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Autoimmunity Risk Gene IRGM is a Master Negative Regulator of Interferon Response by Controlling the Activation of cGAS-STING and RIG-I-MAVS Signaling Pathways

Kautilya Kumar Jena, Subhash Mehto, Parej Nath, Nishant Ranjan Chauhan, Rinku Sahu, Tapas Kumar Nayak, Saroj Kumar Das, Kollori Dhar, Pradyumna Kumar Sahoo, Krushna Murmu, Saikat De, Ankita Datey, Punit Prasad, Soma Chattopadhyay, Swati Chauhan, Santosh Chauhan,

Activation of type 1 interferon response is extensively connected with the antiviral immunity and pathogenesis of autoimmune diseases. Here, we found that IRGM, whose deficiency is linked with the genesis of several autoimmune disorders, is a master negative regulator of the interferon response. Mechanistically, we show that IRGM interacts with ... Read more >>

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The Paf1 complex factors Leo1 and Paf1 promote local histone turnover to modulate chromatin states in fission yeast.

Laia Sadeghi, Punit Prasad, Karl Ekwall, Amikam Cohen, J Peter Svensson,

The maintenance of open and repressed chromatin states is crucial for the regulation of gene expression. To study the genes involved in maintaining chromatin states, we generated a random mutant library in Schizosaccharomyces pombe and monitored the silencing of reporter genes inserted into the euchromatic region adjacent to the heterochromatic ... Read more >>

EMBO Rep (EMBO reports)
[2015, 16(12):1673-1687]

Cited: 30 times

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The roles of SNF2/SWI2 nucleosome remodeling enzymes in blood cell differentiation and leukemia.

Punit Prasad, Andreas Lennartsson, Karl Ekwall,

Here, we review the role of sucrose nonfermenting (SNF2) family enzymes in blood cell development. The SNF2 family comprises helicase-like ATPases, originally discovered in yeast, that can remodel chromatin by changing chromatin structure and composition. The human genome encodes 30 different SNF2 enzymes. SNF2 family enzymes are often part of ... Read more >>

Biomed Res Int (BioMed research international)
[2015, 2015:347571]

Cited: 11 times

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High-throughput transcription profiling identifies putative epigenetic regulators of hematopoiesis.

Punit Prasad, Michelle Rönnerblad, Erik Arner, Masayoshi Itoh, Hideya Kawaji, Timo Lassmann, Carsten O Daub, Alistair R R Forrest, Andreas Lennartsson, Karl Ekwall, ,

Hematopoietic differentiation is governed by a complex regulatory program controlling the generation of different lineages of blood cells from multipotent hematopoietic stem cells. The transcriptional program that dictates hematopoietic cell fate and differentiation requires an epigenetic memory function provided by a network of epigenetic factors regulating DNA methylation, posttranslational histone ... Read more >>

Blood (Blood)
[2014, 123(17):e46-57]

Cited: 13 times

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A snapshot of Snf2 enzymes in fission yeast.

Punit Prasad, Karl Ekwall,

Eukaryotic chromatin is remodelled by the evolutionarily conserved Snf2 family of enzymes in an ATP-dependent manner. Several Snf2 enzymes are part of CRCs (chromatin remodelling complexes). In the present review we focus our attention on the functions of Snf2 enzymes and CRCs in fission yeast. We discuss their molecular mechanisms ... Read more >>

Biochem Soc Trans (Biochemical Society transactions)
[2013, 41(6):1640-1647]

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DNA topoisomerase III localizes to centromeres and affects centromeric CENP-A levels in fission yeast.

Ulrika Norman-Axelsson, Mickaël Durand-Dubief, Punit Prasad, Karl Ekwall,

Centromeres are specialized chromatin regions marked by the presence of nucleosomes containing the centromere-specific histone H3 variant CENP-A, which is essential for chromosome segregation. Assembly and disassembly of nucleosomes is intimately linked to DNA topology, and DNA topoisomerases have previously been implicated in the dynamics of canonical H3 nucleosomes. Here ... Read more >>

PLoS Genet (PLoS genetics)
[2013, 9(3):e1003371]

Cited: 7 times

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ISWI remodelers slide nucleosomes with coordinated multi-base-pair entry steps and single-base-pair exit steps.

Sebastian Deindl, William L Hwang, Swetansu K Hota, Timothy R Blosser, Punit Prasad, Blaine Bartholomew, Xiaowei Zhuang,

ISWI-family enzymes remodel chromatin by sliding nucleosomes along DNA, but the nucleosome translocation mechanism remains unclear. Here we use single-molecule FRET to probe nucleosome translocation by ISWI-family remodelers. Distinct ISWI-family members translocate nucleosomes with a similar stepping pattern maintained by the catalytic subunit of the enzyme. Nucleosome remodeling begins with ... Read more >>

Cell (Cell)
[2013, 152(3):442-452]

Cited: 74 times

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Mapping protein-DNA and protein-protein interactions of ATP-dependent chromatin remodelers.

Swetansu K Hota, Mekonnen Lemma Dechassa, Punit Prasad, Blaine Bartholomew,

Chromatin plays a key regulatory role in several DNA-dependent processes as it regulates DNA access to different protein factors. Several multisubunit protein complexes interact, modify, or mobilize nucleosomes: the basic unit of chromatin, from its original location in an ATP-dependent manner to facilitate processes, such as transcription, replication, repair, and ... Read more >>

Methods Mol Biol (Methods in molecular biology (Clifton, N.J.))
[2012, 809:381-409]

Cited: 4 times

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New insights into how chromatin remodellers direct CENP-A to centromeres.

Punit Prasad, Karl Ekwall,

EMBO J (The EMBO journal)
[2011, 30(10):1875-1876]

Cited: 1 time

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Control of nucleosome movement: to space or not to space nucleosomes?

Punit Prasad, Blaine Bartholomew,

A key feature of ATP-dependent chromatin remodeling complexes is how they control the ability of the complex to translocate along DNA within the context of a nucleosome. Although these complexes generally initiate DNA translocation near the dyad axis of the nucleosome, the progression and eventual termination is regulated in quite ... Read more >>

Epigenetics (Epigenetics)
[2010, 5(4):282-286]

Cited: 3 times

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