Blar i Bergen Open Research Archive på forfatter "Parajuli, Himalaya"
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Cabozantinib is effective in melanoma brain metastasis cell lines and affects key signaling pathways
Mannsåker, Trond Are; Hoang, Tuyen; Aasen, Synnøve Nymark; Bjørnstad, Ole Vidhammer; Parajuli, Himalaya; Sundstrøm, Terje; Thorsen, Frits (Journal article; Peer reviewed, 2021-11-14)Melanomas have a high potential to metastasize to the brain. Recent advances in targeted therapies and immunotherapies have changed the therapeutical landscape of extracranial melanomas. However, few patients with melanoma ... -
Combined in situ hybridization and immunohistochemistry on archival tissues reveals stromal microRNA-204 as prognostic biomarker for oral squamous cell carcinoma
Rajthala, Saroj; Dongre, Harsh; Parajuli, Himalaya; Min, Anjie; Nginamau, Elisabeth Sivy; Kvalheim, Arild; Lybak, Stein; Sapkota, Dipak; Johannessen, Anne Christine; Costea, Daniela Elena (Journal article; Peer reviewed, 2021)Micro-RNAs (miRs) are emerging as important players in carcinogenesis. Their stromal expression has been less investigated in part due to lack of methods to accurately differentiate between tumor compartments. This study ... -
Effective treatment of metastatic melanoma by combining MAPK and PI3K signaling pathway inhibitors
Aasen, Synnøve Nymark; Parajuli, Himalaya; Hoang, Tuyen; Feng, Zichao; Stokke, Krister; Wang, Jiwei; Roy, Kislay; Bjerkvig, Rolf; Knappskog, Stian; Thorsen, Frits (Peer reviewed; Journal article, 2019-08-29)Malignant melanoma is the most aggressive type of skin cancer and is closely associated with the development of brain metastases. Despite aggressive treatment, the prognosis has traditionally been poor, necessitating ... -
Establishment of a bioluminescence model for microenvironmentally induced oral carcinogenesis with implications for screening bioengineered scaffolds.
Suliman, Salwa; Parajuli, Himalaya; Sun, Yang; Johannessen, Anne Christine; Finne-Wistrand, Anna; McCormack, Emmet; Mustafa, Kamal Babikeir Eln; Costea, Daniela Elena (Peer reviewed; Journal article, 2015)Background: Microenvironmental cues play a major role in head and neck cancer. Biodegradable scaffolds used for bone regeneration might also act as stimulative cues for head and neck cancer. The purpose of this study was ... -
Inhibition of extracellular vesicle-derived miR-146a-5p decreases progression of melanoma brain metastasis via Notch pathway dysregulation in astrocytes
Rigg, Emma Kayleigh; Wang, Jiwei; Xue, Zhiwei; Lunavat, Taral; Liu, Guowei; Hoang, Tuyen; Parajuli, Himalaya; Han, Mingzhi; Bjerkvig, Rolf; Nazarov, Petr V.; Nicot, Nathalie; Kreis, Stephanie; Margue, Christiane; Nomigni, Miléne Tetsi; Utikal, Jochen; Miletic, Hrvoje; Sundstrøm, Terje; Ystaas, Lars Andreas Rømo; Li, Xingang; Thorsen, Frits (Journal article; Peer reviewed, 2023)Melanoma has the highest propensity of all cancers to metastasize to the brain with a large percentage of late-stage patients developing metastases in the central nervous system (CNS). It is well known that metastasis ... -
Integrin a11 is overexpressed by tumour stroma of head and neck squamous cell carcinoma and correlates positively with alpha smooth muscle actin expression
Parajuli, Himalaya; Teh, Muy-Teck; Abrahamsen, Siren; Christoffersen, Ingeborg Monge; Neppelberg, Evelyn; Lybak, Stein; Osman, Tarig Al-Hadi; Johannessen, Anne Christine; Gullberg, Donald; Skarstein, Kathrine; Costea, Daniela Elena (Peer reviewed; Journal article, 2017-04)BACKGROUND: Cancer-associated fibroblasts (CAFs) were shown to be important for tumour progression in head and neck squamous cell carcinomas (HNSCCs). Their heterogeneity and lack of specific markers is increasingly ... -
The Low Affinity Nerve Growth Factor Receptor p75NTR Identifies a Transient Stem Cell-Like State in Oral Squamous Cell Carcinoma Cells
Osman, Tarig Al-Hadi; Costea, Daniela Elena; Parajuli, Himalaya; Sapkota, Dipak; Johannessen, Anne Christine; Ahmed, Israa A. H. (Peer reviewed; Journal article, 2014-09-12)Background Although several markers have been used for enrichment of cells with stem cell-like properties in oral squamous cell carcinoma (OSCC), isolation of a pure subpopulation is still a challenging task. Normal oral ... -
MicroRNA-138 abates fibroblast motility with effect on invasion of adjacent cancer cells
Rajthala, Saroj; Parajuli, Himalaya; Dongre, Harsh Nitin; Ljøkjel, Borghild; Hoven, Kristin Marie; Kvalheim, Arild; Lybak, Stein; Neppelberg, Evelyn; Sapkota, Dipak; Johannessen, Anne Christine; Costea, Daniela Elena (Journal article; Peer reviewed, 2022-03-17)Background: Recent studies have shown aberrant expression of micro-RNAs in cancer-associated fibroblasts (CAFs). This study aimed to investigate miR-138 dysregulation in CAFs in oral squamous cell carcinoma (OSCC) and its ... -
Nanodiamond modified copolymer scaffolds affects tumour progression of early neoplastic oral keratinocytes
Suliman, Salwa; Mustafa, Kamal Babikeir Eln; Krueger, Anke; Steinmüller-Nethl, Doris; Finne-Wistrand, Anna; Osdal, Tereza; Osman, Amani Hamza Ali; Sun, Yang; Parajuli, Himalaya; Waag, Thilo; Nickel, Joachim; Johannessen, Anne Christine; McCormack, Emmet; Costea, Daniela Elena (Peer reviewed; Journal article, 2016-07)This study aimed to evaluate the tumorigenic potential of functionalising poly(LLA-co-CL) scaffolds. The copolymer scaffolds were functionalised with nanodiamonds (nDP) or with nDP and physisorbed BMP-2 (nDP-PHY) to enhance ... -
Profiling and functional analysis of microRNA deregulation in cancer-associated fibroblasts in oral squamous cell carcinoma depicts an anti-invasive role of microRNA-204 via regulation of their motility
Rajthala, Saroj; Min, Anjie; Parajuli, Himalaya; Debnath, Kala Chand; Ljøkjel, Borghild; Hoven, Kristin Marie; Kvalheim, Arild; Lybak, Stein; Neppelberg, Evelyn; Vintermyr, Olav Karsten; Johannessen, Anne Christine; Sapkota, Dipak; Costea, Daniela Elena (Journal article; Peer reviewed, 2021-11-04)Background: Knowledge on the role of miR changes in tumor stroma for cancer progression is limited. This study aimed to investigate the role of miR dysregulation in cancer-associated fibroblasts (CAFs) in oral squamous ... -
Role of integrin α11 in oral carcinogenesis. In vitro and in vivo studies
Parajuli, Himalaya (Doctoral thesis, 2016-04-29)Cancer research has provided evidence for several advanced and better ways of treatment, helping the community for a better living. Nevertheless, for head and neck cancer there is still a long way to go for achieving an ... -
S100A16 promotes differentiation and contributes to a less aggressive tumor phenotype in oral squamous cell carcinoma
Sapkota, Dipak; Bruland, Ove; Parajuli, Himalaya; Osman, Tarig Al-Hadi; Teh, Muy-Teck; Johannessen, Anne Christine; Costea, Daniela Elena (Peer reviewed; Journal article, 2015-09-09)Background: Altered expression of S100A16 has been reported in human cancers, but its biological role in tumorigenesis is not fully understood. This study aimed to investigate the clinical significance and functional role ... -
Trifluoperazine prolongs the survival of experimental brain metastases by STAT3-dependent lysosome membrane permeabilization
Zhang, Xin; Ding, Kaikai; Ji, Jianxiong; Parajuli, Himalaya; Aasen, Synnøve Nymark; Espedal, Heidi; Huang, Bin; Chen, Anjing; Wang, Jian; Li, Xingang; Thorsen, Frits (Journal article; Peer reviewed, 2020)Brain metastasis is a major cause of mortality in melanoma patients. The blood-brain barrier (BBB) prevents most anti-tumor compounds from entering the brain, which significantly limits their use in the treatment of brain ... -
α11β1 integrin is induced in a subset of cancer- associated fibroblasts in desmoplastic tumor stroma and mediates in vitro cell migration
Zeltz, Cedric; Alam, Jahedul; Liu, Hengshuo; Erusappan, Pugazendhi M; Hoschuetzky, Heinz; Molven, Anders; Parajuli, Himalaya; Cukierman, Edna; Costea, Daniela Elena; Lu, Ning; Gullberg, Donald (Peer reviewed; Journal article, 2019-06-01)Integrin α11β1 is a collagen receptor that has been reported to be overexpressed in the stroma of non-small cell lung cancer (NSCLC) and of head and neck squamous cell carcinoma (HNSCC). In the current study, we further ...