Suresh Kumar Rayala, M.S., Ph.D.
Associate Professor
Indian Institute of Technology Madras
Department of Biotechnology
Room No. BT 306
Chennai - 600 036
Tamil Nadu
E-mail: rayala@iitm.ac.in
Phone: +91-44-2257 4137
Fax: +91-44-2257 4102
URL: http://www.biotech.iitm.ac.in/Rayala_research
Positions Held:
Position
Affiliation
Time Period
Associate Professor
Indian Institute of Technology Madras, Chennai, India
Post Doctoral Fellow
MD Anderson Cancer Centre, Houston, Texas, USA
Area of Specialization:
Cancer Biology
Publications:
1.
Ganesan, K., Banerjee, S., Gunasekaran, P., Tan, P. and Rayala, S.K. Integrative functional genomics in cancer research and its clinical implications. Journal of Cancer Molecules . 2010. In Press.
2.
Ohshiro, K., Rayala, S. K. , Wigerup, C., Pakala, S. B., Natha, R. S., Gururaj, A. E., Molli, P. R., Mansson, S. S., Ramezani, A., Hawley, R. G., Landberg, G., Lee, N. H. and Kumar, R. Acetylation-dependent oncogenic activity of metastasis-associated protein 1 co-regulator. EMBO Reports. 2010. 11, 691-697. [PubMed]
3.
Kumar, R., Balasenthil, S., Pakala, S. B., Rayala, S. K. , Sahin, A. A. and Ohshiro, K. Metastasis-associated protein 1 short form stimulates Wnt1 pathway in mammary epithelial and cancer cells. Cancer Research. 2010. 70, 6598-6608. [PubMed]
4.
Pakala, S. B., Bui-Nguyen, T. M., Reddy, S. D., Li, D. Q., Peng, S., Rayala, S. K. , Behringer, R. R. and Kumar, R. Regulation of NF-kappaB circuitry by a component of the nucleosome remodeling and deacetylase complex controls inflammatory response homeostasis. The Journal of Biological Chemistry. 2010. 285, 23590-23597. [PubMed]
5.
Ohshiro, K., Mudvari, P., Meng, Q. C., Rayala, S. K. , Sahin, A. A., Fuqua, S. A. and Kumar, R. Identification of a novel estrogen receptor-alpha variant and its upstream splicing regulator. Molecular Endocrinology. 2010. 24, 914-922. [PubMed]
6.
Li, D. Q., Ohshiro, K., Reddy, S. D., Pakala, S. B., Lee, M. H., Zhang, Y., Rayala, S. K. and Kumar, R. E3 ubiquitin ligase COP1 regulates the stability and functions of MTA1. Proceedings of the National Academy of Sciences of the United States of America. 2009. 106, 17493-17498. [PubMed]
7.
Kumar, A., Molli, P. R., Pakala, S. B., Bui, N., Rayala, S. K. and Kumar, R. PAK thread from amoeba to mammals. Journal of Cellular Biochemistry. 2009. 107, 579-585. [PubMed]
8.
Molli, P. R., Li, D. Q., Murray, B. W., Rayala, S. K. and Kumar, R. PAK signaling in oncogenesis. Oncogene. 2009. 28, 2545-2555. [PubMed]
9.
Kumar, R ., Zhang, H., Vadlamudi, R.K., Holm, C., Landberg, G., Cardiff, R.D. and Rayala, S.K. Extranuclear Coactivator Signaling Confers Insensitivity to Tamoxifen. Clinical Cancer Research . 2009. 15, 4123-30.
10.
Li, D.Q., Reddy, S.D.N., Pakala, S.B., Wu, X., Zhang, Y., Rayala, S. K. and Kumar, R. MTA1 coregulator regulates p53 stability and functions. Journal of Biological Chemistry . 2009. 284, 50, 34545-34552.
11.
Reddy, S. D., Pakala, S. B., Ohshiro, K., Rayala, S. K. and Kumar, R. MicroRNA-661, a c/EBPalpha target, inhibits metastatic tumor antigen 1 and regulates its functions. Cancer Research. 2009. 69, 5639-5642. [PubMed]
12.
Song, C., Wen, W., Rayala, S. K. , Chen, M., Ma, J., Zhang, M. and Kumar, R. Serine 88 phosphorylation of the 8-kDa dynein light chain 1 is a molecular switch for its dimerization status and functions. The Journal of Biological Chemistry. 2008. 283, 4004-4013. [PubMed]
13.
Reddy, S. D., Ohshiro, K., Rayala, S. K. and Kumar, R. MicroRNA-7, a homeobox D10 target, inhibits p21-activated kinase 1 and regulates its functions. Cancer Research. 2008. 68, 8195-8200. [PubMed]
14.
Ohshiro, K., Rayala, S. K. , El-Naggar, A. K. and Kumar, R. Delivery of cytoplasmic proteins to autophagosomes. Autophagy. 2008. 4, 104-106. [PubMed]
15.
Mandal, M., Myers, J. N., Lippman, S. M., Johnson, F. M., Williams, M. D., Rayala, S. , Ohshiro, K., Rosenthal, D. I., Weber, R. S., Gallick, G. E. and El-Naggar, A. K. Epithelial to mesenchymal transition in head and neck squamous carcinoma: association of Src activation with E-cadherin down-regulation, vimentin expression, and aggressive tumor features. Cancer. 2008. 112, 2088-2100. [PubMed]
16.
Rayala, S. K. , Martin, E., Sharina, I. G., Molli, P. R., Wang, X., Jacobson, R., Murad, F. and Kumar, R. Dynamic interplay between nitration and phosphorylation of tubulin cofactor B in the control of microtubule dynamics. Proceedings of the National Academy of Sciences of the United States of America. 2007. 104, 19470-19475. [PubMed]
17.
Rayala, S. K. and Kumar, R. Sliding p21-activated kinase 1 to nucleus impacts tamoxifen sensitivity. Biomedicine & Pharmacotherapy = Biomedecine & Pharmacotherapie. 2007. 61, 408-411. [PubMed]
18.
Meng, Q., Rayala, S. K. , Gururaj, A. E., Talukder, A. H., O'Malley, B. W. and Kumar, R. Signaling-dependent and coordinated regulation of transcription, splicing, and translation resides in a single coregulator, PCBP1. Proceedings of the National Academy of Sciences of the United States of America. 2007. 104, 5866-5871. [PubMed]
19.
Manavathi, B., Rayala, S. K. and Kumar, R. Phosphorylation-dependent regulation of stability and transforming potential of ETS transcriptional factor ESE-1 by p21-activated kinase 1. The Journal of Biological Chemistry. 2007. 282, 19820-19830. [PubMed]
20.
Manavathi, B., Peng, S., Rayala, S. K. , Talukder, A. H., Wang, M. H., Wang, R. A., Balasenthil, S., Agarwal, N., Frishman, L. J. and Kumar, R. Repression of Six3 by a corepressor regulates rhodopsin expression. Proceedings of the National Academy of Sciences of the United States of America. 2007. 104, 13128-13133. [PubMed]
21.
Ohshiro, K., Rayala, S. K. , Kondo, S., Gaur, A., Vadlamudi, R. K., El-Naggar, A. K. and Kumar, R. Identifying the estrogen receptor coactivator PELP1 in autophagosomes. Cancer Research. 2007. 67, 8164-8171. [PubMed]
22.
Barnes, C. J., Ohshiro, K., Rayala, S. K. , El-Naggar, A. K. and Kumar, R. Insulin-like growth factor receptor as a therapeutic target in head and neck cancer. Clinical Cancer Research : An Official Journal of the American Association For Cancer Research. 2007. 13, 4291-4299. [PubMed]
23.
Rayala, S. K. , Talukder, A. H., Balasenthil, S., Tharakan, R., Barnes, C. J., Wang, R. A., Aldaz, C. M., Khan, S. and Kumar, R. P21-activated kinase 1 regulation of estrogen receptor-alpha activation involves serine 305 activation linked with serine 118 phosphorylation. Cancer Research. 2006. 66, 1694-1701. [PubMed]
24.
Rayala, S. K. , Hollander, P., Balasenthil, S., Molli, P. R., Bean, A. J., Vadlamudi, R. K., Wang, R. A. and Kumar, R. Hepatocyte growth factor-regulated tyrosine kinase substrate (HRS) interacts with PELP1 and activates MAPK. The Journal of Biological Chemistry. 2006. 281, 4395-4403. [PubMed]
25.
Singh, R. R., Kaluarachchi, K., Chen, M., Rayala, S. K. , Balasenthil, S., Ma, J. and Kumar, R. Solution structure and antiestrogenic activity of the unique C-terminal, NR-box motif-containing region of MTA1s. The Journal of Biological Chemistry. 2006. 281, 25612-25621. [PubMed]
26.
den, H., Rayala, S. K. , Coverley, D. and Kumar, R. Ciz1, a Novel DNA-binding coactivator of the estrogen receptor alpha, confers hypersensitivity to estrogen action. Cancer Research. 2006. 66, 11021-11029. [PubMed]
27.
Rayala, S. K. , Hollander, P.D., Manavathi, B., Talukder, A.H., Song, C., Peng, S., Barnekow, A., Kremerskothen, J. and Kumar, R. Essential role of KIBRA in coactivator function of dynein light chain 1. Journal of Biological Chemistry . 2006. 281, 19092-9.
28.
Rayala, S. K. , Mascarenhas, J., Vadlamudi, R.K. and Kumar, R. Altered localization of a co-activator sensitizes breast cancer cells to TNF-induced apoptosis. Molecular Cancer Therapeutics . 2006, 5, 230-7.
29.
Rayala, S. K. , Molli, P.R. and Kumar, R. Signals PAKup to the nucleus in breast cancer. Cancer Research. 2006, 66, 5985-5988.
30.
Ohshiro, K., Rayala, S. , Williams, D.M., Kumar, R., and El-Naggar, A.K. Biological role of estrogen receptor-b in salivary gland adenocarcinoma cells. Clinical Cancer Research . 2006, 12, 5994-9.
31.
Holm, C., Rayala, S. , Jirstrom, K., Stal, O., Kumar, R. and Landberg, G. High Pak1 expression and nuclear localization is associated with lack of tamoxifen response in human premenopausal breast cancer and experimental models. J Natl Cancer Inst . 2006, 98, 671-680.
32.
Gururaj, A.E., Singh, R.R., Rayala, S. K. , Holm, C., Hollander, P., Zhang, H., Balasenthil, S., Landberg, G. and Kumar, R. MTA1, a Novel Transcriptional Activator of Breast Cancer Amplified Sequence 3. PNAS. 2006. 103, 6670 – 6675.
33.
Manavathi, B., Acconcia, F., Rayala, S. K. and Kumar, R. Microtubule dependent regulation of estrogen receptor-alpha signaling. PNAS. 2006. 103, 15981-6.
34.
Gururaj, A.E., Rayala, S. K. , Vadlamudi, R.K. and Kumar, R. Novel Mechanisms of Resistance to Endocrine Therapy – Genomic and non-genomic considerations. Clinical Cancer Research . 2006. 12, 1001S-1007S.
35.
Rayala, S. K. , den, H., Balasenthil, S., Yang, Z., Broaddus, R. R. and Kumar, R. Functional regulation of oestrogen receptor pathway by the dynein light chain 1. EMBO Reports. 2005. 6, 538-544. [PubMed]
36.
Kumar, R., Gururaj, A. E., Vadlamudi, R. K. and Rayala, S. K. The clinical relevance of steroid hormone receptor corepressors. Clinical Cancer Research. 2005. 11, 2822-2831. [PubMed]
37.
Yang, Z., Rayala, S. , Nguyen, D., Vadlamudi, R. K., Chen, S. and Kumar, R. Pak1 phosphorylation of snail, a master regulator of epithelial-to-mesenchyme transition, modulates snail's subcellular localization and functions. Cancer Research. 2005. 65, 3179-3184. [PubMed]
38.
Vadlamudi, R. K., Barnes, C. J., Rayala, S. , Li, F., Balasenthil, S., Marcus, S., Goodson, H. V., Sahin, A. A. and Kumar, R. p21-activated kinase 1 regulates microtubule dynamics by phosphorylating tubulin cofactor B. Molecular and Cellular Biology. 2005. 25, 3726-3736. [PubMed]
39.
Gururaj, A. E., Rayala, S. K. and Kumar, R. p21-activated kinase signaling in breast cancer. Breast Cancer Research : BCR. 2005. 7, 5-12. [PubMed]
40.
Balasenthil, S., Barnes, C. J., Rayala, S. K. and Kumar, R. Estrogen receptor activation at serine 305 is sufficient to upregulate cyclin D1 in breast cancer cells. FEBS Letters. 2004. 567, 243-247. [PubMed]
41.
Kothari, K., Bapat, K., Korde, A., Sarma, H.D., Suresh, R. , Padma, S., Udayachander, M., Meenakshi, A., Venkatesh, M., Pillai, M.R.A. Radiochemical and biological studies of 188Re labeled monoclonal antibody-CAMA3C8 specific for breast cancer. Indian Journal of Nuclear Medicine . 2004. 19, 6-11.
42.
Meenakshi, A., Kumar, R. S. , Ganesh, V. and Sivakumar, N. Immunohistochemical assay (IHC) to study C-erbB-2 status of breast cancer using monoclonal antibody CIBCgp185. Human Antibodies. 2003. 12, 123-127. [PubMed]
43.
Meenakshi, A., Ganesh, V., Suresh, K. and Siva, K. Radioimmuno targetting (99m)technetium labeled anti-epidermal growth factor receptor monoclonal antibodies in experimental tumor models. The Quarterly Journal of Nuclear Medicine. 2003. 47, 139-144. [PubMed]
42..
Meenakshi, A., Kumar, R. S. , Siva, K. and Ganesh, V. Immunofluorescent localization of C-erbB-2 oncoprotein in breast cancer: a preliminary study. Human Antibodies. 2002. 11, 73-77. [PubMed]
43.
Meenakshi, A., Kumar, R. S. and Kumar, N. S. ELISA for quantitation of serum C-erbB-2 oncoprotein in breast cancer patients. Journal of Immunoassay & Immunochemistry. 2002. 23, 293-305. [PubMed]
44.
Meenakshi, A., Kumar, R. S. , Ganesh, V. and Kumar, N.S. Preliminary study on radioimmuno-diagnosis of experimental tumor models using technetium-99m-labeled anti-C-erbB-2 monoclonal antibody. Tumori . 2002. 88, 507-12.
45.
Meenakshi, A., Kumar, R. S . and Kumar, N. S. Generation of monoclonal antibody CIBCgp185 against C-erbB-2 oncoprotein and its clinical evaluation. Human Antibodies. 2001. 10, 101-107. [PubMed]
46.
Subbiah, K., Rayala, S. K. , Ananthanarayanan, M. and Thangarajan, R. Targetted localisation and imaging of a murine lymphoma using 131I-labelled monoclonal antibody. Indian Journal of Experimental Biology. 2001. 39, 993-997. [PubMed]
Education
::
M.S.
Sri Venkateswara University, Tirupati, India
::
Ph.D.
The Cancer Institute, Chennai, India, 1999-2002
Honors and Awards
::
2008, Research Biography highlighted in Who’s Who in America
::
2007, AMGEN Award in Basic Science Research
::
2006, Research Biography highlighted on Science Advisory Board
::
2006, Research Biography highlighted on Gene to Drug in August, Monthly Publication for Professionals in the Life Science Industry
::
2004, Outstanding productive Post Doctoral Fellow award
::
2002, Young Scientist Award, 89th Indian Science Congress, Lucknow, India
::
2000, Young Scientist Award, Indian Society of Oncology Conference, Hyderabad, India