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Dutt Lab in News

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New tech 'Dome' to identify rare mutations of cancer

Dome represents an advanced computer program designed to scrutinize the genetic composition of tumours across a diverse cohort of cancer patients. It goes beyond detecting mutations, instead focusing on their precise locations within genes.

[READ THE ARTICLE HERE]

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Indian team uses repurposed drug to treat oral cancer subtypes

In animal studies, the FDA-approved deworming drug was able to significantly inhibit the tumour cells and improve the survival rate in mice carrying the fusion gene-overexpressing cells.

[READ THE ARTICLE HERE]

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UBE3C-LRP5 is a novel oncogenic driver and potential therapeutic target in head and neck cancer

UBE3C-LRP5 is a novel fusion transcript, identified in 5.3% of Indian and 1.2% of TCGA- head and neck cancer patients. This fusion activates Wnt/β-catenin signaling, promoting tumor growth, migration, and invasion. An FDA-approved antihelminthic drug impedes tumor growth driven by the fusion.

[READ THE ARTICLE HERE]

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Tata Memorial develops novel biomarker for tongue cancer spread to spare 70% patients from neck surgery

Low accuracy in detecting its spread in the early stages is one of the factors that contributes to the high incidence of tongue cancer in India. About 30 per cent of tongue cancer patients develop occult (hidden) metastases or a subclinical disease spread to surrounding lymph nodes.

 

[READ THE ARTICLE HERE]

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miR-944/MMP10/ AXL- axis Predict Metastasis in Tongue Cancer

Occult lymph node metastases in tongue cancer are associated with significant morbidity and mortality. We describe a novel mechanism wherein miR-944 can regulate MMP10 to activate the AXL signaling pathway in promoting the spread of cancer to the lymph nodes.

[READ THE ARTICLE HERE]

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Breast cancer: more insights on how hormonal therapy works

Work carried out by researchers from the Integrated Cancer Genomics Laboratory at the Advanced Centre for Training, Research, and Education in Cancer (ACTREC) in Mumbai’s Tata Memorial Centre has shed more light on the molecular mechanism through which progesterone treatment prior to breast cancer surgery is quite likely to increase the survival rates of patients.

[READ THE ARTICLE HERE]

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The role Fusobacterium plays in oral cancer patients in India

Since the beginning of the 20th Century, it is known that infections could play a role in cancer, with 18-20% of cancers associated with infectious agents. This could be relatively higher in developing countries like India. Our team at ACTREC-Tata Memorial Centre developed a highly sensitive and specific automated computational tool HPVDetector to quantify the presence of human papillomavirus (HPV). This was done by subtracting human sequences from the cancer genome and comparing the rest with the HPV genome to identify the presence of HPV sequence trace and determine the range of all co-infecting HPV strains in the same individual.

[READ THE ARTICLE HERE]

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Tool to ease SARS-CoV-2 genome mutation analysis

An automated computational tool – Infectious Pathogen Detector (IPD) – developed earlier by researchers at the Mumbai-based ACTREC, Tata Memorial Centre, to identify the presence of 1,060 different pathogens in any genome sequence sample and perform mutation and phylogenetic analysis has become even more useful with the addition of a module for SARS-CoV-2 virus.

[READ THE ARTICLE HERE]

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Potential therapy for drug-defying gallbladder cancer

Geneticists have discovered genetic mutations that make for promising targets for developing novel therapies for gallbladder cancer1. Gallbladder cancer severely affects the liver, gallbladder and bile duct. Chemotherapy and other palliative treatments cannot significantly increase the survival rate of gallbladder cancer patients. In search of new therapies for gallbladder cancer, scientists from the Advanced Centre for Treatment Research Education in Cancer (ACTREC), at the Tata Memorial Centre in Mumbai, India, sequenced the genes of early-stage tumour cells isolated from gallbladder cancer patients.

[READ THE ARTICLE HERE]

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Study finds popping a weekly cancer pill instead of daily is enough to prevent regrowths

Cancer is a mass of cells gone rogue. They grow with little respect for boundaries and nutritional availability. Despite surgically removing a cancerous growth, some tumours recur after some time. Certain newer generation drugs targeted against mutated genes such as Erlotinib and Osimertinib are approved for lung cancer patients with mutations in what is known as the Epidermal Growth Factor Receptor, EGFR gene. Presently, these drugs are administered as daily doses in these cases as a pretreatment procedure. However, they are not without severe side effects. Therefore, any study that can justify reducing the drug dosage is highly desirable and an active research area.

[READ THE ARTICLE HERE]

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Detecting RNA virus in saliva samples using Raman spectroscopy

If Israel developed a spectroscopy-based one-minute breath-analyser to detect coronavirus, a team led by Amit Dutt from the Mumbai-based Tata Memorial Centre has turned to Raman Spectroscopy to detect RNA viruses present in saliva samples. It is a proof-of-concept study to analyse non-infectious RNA viruses using conventional Raman Spectroscopy without using any additional reagent to enhance the signal.

[READ THE ARTICLE HERE]

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New genetic marker for oral cancer

By sequencing the genomes of specific oral cancer patients, researchers have identified a marker which is highly expressed in tongue tumour cells1. This gene is a potential biomarker for early-stage tongue cancer. Tongue squamous cell carcinoma is the most predominant form of oral cancer in patients in developing countries. Tobacco use and chewing betel-quid, a combination of betel leaf, areca nut, and slaked lime cause genetic mutations that can eventually lead to tongue cancer. In search of a biomarker for early detection, scientists led by Amit Dutt and Sudhir Nair from the Tata Memorial Centre and Homi Bhabha National Institute, both in Mumbai, sequenced the genomes of fifty-seven cancer patients using the next-generation sequencing technique.

[READ THE ARTICLE HERE]

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How progesterone protects breast cancer patients unravelled

Researchers from Mumbai-based ACTREC-Tata Memorial Centre (TMC) have uncovered the biological mechanism by which a single injection of progesterone administered prior to surgery benefits breast cancer patients immaterial of whether progesterone receptors are present or not. Progesterone treatment prior to surgery reduces the chances of migration and invasion ability of primary cancer cells to other parts of the body thus reducing the possibility of a relapse.

[READ THE ARTICLE HERE]

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Biomarker tells of tongue cancer spread

Researchers at the Tata Memorial Centre in Mumbai have identified a biomarker that will help doctors decide whether patients with early-stage tongue cancer should undergo neck surgery to remove 20-30 lymph nodes. Patients negative for the biomarker can be spared of neck dissection.

[READ THE ARTICLE HERE]

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TMC overcomes resistance to hormonal therapy for breast cancer

Researchers at the Tata Memorial Centre (TMC), Mumbai, have found a possible reason why certain breast cancer patients become resistant to hormonal treatment. And the good news is that they have designed an anti-microRNA (small non-coding RNA) which can be probably help in overcoming the resistance to hormonal therapy. In another study, the researchers have found the molecular mechanism that is responsible for conferring protective benefits of progesterone hormone in breast cancer patients.

[READ THE ARTICLE HERE]

Potential therapy for lung cancer

Researchers have identified novel gene mutations that can lead to lung cancer1. The mutations in a gene that encodes a protein called fibroblast growth factor receptor 3 are potential drug targets for developing new therapies. Lung cancer is one of the most common cancers among men in India, and targeted treatments are urgently needed. Geneticists from Tata Memorial Centre and Homi Bhabha National Institute, both in Mumbai, studied the genome of 363 Indian patients with lung cancer. They homed in on novel genetic mutations in the fibroblast growth factor receptor 3 (FGFR3) gene encoding FGFR3 protein, which regulates cell growth, forms blood vessels and helps heal wounds.

[READ THE ARTICLE HERE]

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Software that helps analyze coronavirus genome for mutations

Researchers have developed a computational tool that can help a user identify various mutations across the genome of the novel coronavirus1. The tool, named ‘Infectious Pathogen Detector’ (IPD), can also detect and analyse genome sequences of various strains of viruses and bacteria in any kind of data, the researchers, from the Tata Memorial Centre in Mumbai, found. The tool, they say, will help understand the genome variability and evolution of the coronavirus within various populations, paving the development of therapies for COVID-19.

[READ THE ARTICLE HERE]

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For lung cancer patients in India, key to treatment could be malfunctioning gene

Lung cancer is onw of the most common forms of cancer among men in India and worldwide. Cancer being a genetic disease, lung cancer involves alteration of certain genes, leading to unregulated growth of cells in affected body parts.

[READ THE ARTICLE HERE]

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Novel genetic marker identified for lung adenocarcinoma

As lifestyles change, and an increasing number of people get exposed to rising pollutants, the susceptibility towards non-communicable diseases like lung cancer has also increased. Therapeutic interventions for lung cancer include surgery, chemotherapy, radiation therapy and targeting known genetic mutations.

[READ THE ARTICLE HERE]

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Non-typhoidal Salmonella in gallbladder cancer

Gallbladder Cancer (GBC) is relatively rare compared to more common cancers of the lungs, breast, prostate and colon. However, it has emerged as a silent killer among North Indian women—the disease is usually detected only in the advanced stages when the mean survival rate for patients is around 6 months.

[READ THE ARTICLE HERE]

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Fighting cancer is team work at Tata Memorial

When scientist Amit Dutt returned to Mumbai from Switzerland in 2010 after completing his second doctorate in genomics, there was limited information about the role of genetic mutations in lung cancer among Indians.%0D%0AIt was known around 15% of Caucasian patients of lung cancer had a particular gene mutation known as the epidermal growth factor receptor (EGFR). Japanese studies showed EGFR mutations in almost 50% of lung cancer patients, but no corresponding data was available for the Indian patient pool. As medicines to nullify the effects of the EGFR mutation were readily available, diagnosing the mutation would have helped faster treatment.

[READ THE ARTICLE HERE]

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10 scientists receive Shanti Swarup Bhatnagar Prize

Ten scientists were announced winners of the annual Shanti Swarup Bhatnagar Prize, India’s highest science award, at a function presided over by President Ram Nath Kovind here. The winners this year for the Biological Sciences are Deepak Nair at the Regional Centre for Biotechnology, Faridabad, and Sanjeev Das, National Institute of Immunology, Delhi; Chemical Sciences, Naresh Patwari, Indian Institute of Technology Bombay; Earth Sciences, Suresh Babu, Vikram Sarabhai Space Centre, Thiruvananthapuram; Engineering Services, Aloke Paul and Neelesh Mehta, Indian Institute of Science, Bengaluru; Medical Sciences, Amit Dutt, Tata Memorial Centre, Mumbai

[READ THE ARTICLE HERE]

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