Crystal Koh &ndash; Research Output

2017

Altered blood cytokines, CD4 T cells, NK and neutrophils in patients with obstructive sleep apnea

Said, E. A., Al-Abri, M. A., Al-Saidi, I., Al-Balushi, M. S., Al-Busaidi, J. Z., Al-Reesi, I., Koh, C. Y., Hasson, S. S., Idris, M. A., Al-Jabri, A. A. & Habbal, O., Oct 1 2017, In : Immunology Letters. 190, p. 272-278 7 p.

Research output: Contribution to journal › Article

Obstructive Sleep Apnea

Neutrophils

Cytokines

T-Lymphocytes

Natural Killer Cells

2016

2 Citations (Scopus)

A potential inhibitory profile of liver CD68⁺ cells during HCV infection as observed by an increased CD80 and PD-L1 but not CD86 expression

Said, E. A., Al-Reesi, I., Al-Riyami, M., Al-Naamani, K., Al-Sinawi, S., Al-Balushi, M. S., Koh, C. Y., Al-Busaidi, J. Z., Idris, M. A. & Al-Jabri, A. A., Apr 1 2016, In : PLoS One. 11, 4, e0153191.

Research output: Contribution to journal › Article

Liver

hepatocytes

Infection

infection

liver

2 Citations (Scopus)

Frequency of TLR4 (1063A/G and 1363C/T) polymorphisms in healthy and HIV-infected Omani individuals and their relationship to viral load and T cell count

Said, E. A., Al-Yafei, F., Zadjali, F., Al-Balushi, M. S., Hasson, S. S., Al-Mahroqi, S. H., Koh, C. Y., Al-Naamani, K., Al-Busaidi, J. Z., Idris, M. A., Balkhair, A. & Al-Jabri, A. A., Apr 4 2016, In : Genetics and Molecular Research. 15, 2, 15027671.

Research output: Contribution to journal › Article

CD4 Lymphocyte Count

Viral Load

Single Nucleotide Polymorphism

Cell Count

HIV

11 Citations (Scopus)

Increased CD86 but Not CD80 and PD-L1 expression on liver CD68⁺ cells during chronic HBV infection

Said, E. A., Al-Reesi, I., Al-Riyami, M., Al-Naamani, K., Al-Sinawi, S., Al-Balushi, M. S., Koh, C. Y., Al-Busaidi, J. Z., Idris, M. A. & Al-Jabri, A. A., Jun 1 2016, In : PLoS One. 11, 6, e0158265.

Research output: Contribution to journal › Article

Liver

hepatocytes

Infection

infection

T-cells

2014

15 Citations (Scopus)

Association of single-nucleotide polymorphisms in TLR7 (Gln11Leu) and TLR9 (1635A/G) with a higher CD4T cell count during HIV infection

Said, E. A., Al-Yafei, F., Zadjali, F., Hasson, S. S., Al-Balushi, M. S., Al-Mahruqi, S., Koh, C. Y., Al-Naamani, K., Al-Busaidi, J. Z., Idris, M. A., Balkhair, A. & Al-Jabri, A. A., 2014, In : Immunology Letters. 160, 1, p. 58-64 7 p.

Research output: Contribution to journal › Article

HIV Infections

Single Nucleotide Polymorphism

Cell Count

Genotype

HIV

1 Citation (Scopus)

Connaissances, attitudes et comportements souhaités concernant le dépistage du VIH et l'autoprotection: Une enquête auprès de femmes enceintes omanaises

Translated title of the contribution: Knowledge, attitudes and intended behaviours towards HIV testing and self-protection: a survey of Omani pregnant womenAl-Jabri, A. A., Youssef, R. M., Hasson, S. S., Al-Belushi, M., Balkhair, A. A., Al-Saadoon, M., Mathew, M., Al-Mahroqi, S., Said, E., Koh, C. Y. & Idris, M. A., Oct 1 2014, In : Eastern Mediterranean Health Journal. 20, 10, p. 614-622 9 p.

Research output: Contribution to journal › Article

Pregnant Women

HIV

Oman

Disclosure

Antiviral Agents

Genetic diversity and prevalence of CCR2-CCR5 gene polymorphisms in the Omani population

Al-Mahruqi, S. H., Zadjali, F., Beja-Pereira, A., Koh, C. Y., Balkhair, A. & Al-Jabri, A. A., 2014, In : Genetics and Molecular Biology. 37, 1, p. 7-14 8 p.

Research output: Contribution to journal › Article

Alleles

Haplotypes

Population

Genes

Indian Ocean

2 Citations (Scopus)

New genetic variants in the CCR5 gene and the distribution of known polymorphisms in Omani population

Al-Mahruqi, S. H., Zadjali, F., Koh, C. Y., Balkhair, A., Said, E. A., Al-Balushi, M. S., Hasson, S. S. & Al-Jabri, A. A., Feb 2014, In : International Journal of Immunogenetics. 41, 1, p. 20-28 9 p.

Research output: Contribution to journal › Article

CCR Receptors

Population

Genes

Chemokines

Ethnic Groups

2012

The importance of autoantibodies in the etiology, pathogenesis and diagnosis of autoimmune diseases

Al-Jabri, A. A., Said, E., Koh, C., Al-Buloshi, M. S. & Hasson, S. S., 2012, Autoantibodies: Detection, Pathogenicity and Health Implications. Nova Science Publishers, Inc., p. 109-135 27 p.

Research output: Chapter in Book/Report/Conference proceeding › Chapter

Autoantibodies

Autoimmune Diseases

Rheumatoid Arthritis

Inflammation

Antibodies

2005

8 Citations (Scopus)

Lack of correlation between an assay used to determine early marrow allograft rejection and long-term chimerism after murine allogeneic bone marrow transplantation: Effects of marrow dose

Koh, C. Y., Welniak, L. A. & Murphy, W. J., Apr 2005, In : Biology of Blood and Marrow Transplantation. 11, 4, p. 252-259 8 p.

Research output: Contribution to journal › Article

Chimerism

Homologous Transplantation

Bone Marrow Transplantation

Allografts

Bone Marrow

2003

30 Citations (Scopus)

NK-cell purging of leukemia: Superior antitumor effects of NK cells H2 allogeneic to the tumor and augmentation with inhibitory receptor blockade

Koh, C. Y., Ortaldo, J. R., Blazar, B. R., Bennett, M. & Murphy, W. J., Dec 1 2003, In : Blood. 102, 12, p. 4067-4075 9 p.

Research output: Contribution to journal › Article

Purging

Natural Killer Cells

Tumors

Bone

Leukemia

204 Citations (Scopus)

The proteasome inhibitor PS-341 sensitizes neoplastic cells to TRAIL-mediated apoptosis by reducing levels of c-FLIP

Sayers, T. J., Brooks, A. D., Koh, C. Y., Ma, W., Seki, N., Raziuddin, A., Blazar, B. R., Zhang, X., Elliott, P. J. & Murphy, W. J., Jul 1 2003, In : Blood. 102, 1, p. 303-310 8 p.

Research output: Contribution to journal › Article

Proteasome Inhibitors

Tumors

Apoptosis

Cells

Neoplasms

2002

21 Citations (Scopus)

NK inhibitory-receptor blockade for purging of leukemia: Effects on hematopoietic reconstitution

Koh, C. Y., Raziuddin, A., Welniak, L. A., Blazar, B. R., Bennett, M. & Murphy, W. J., 2002, In : Biology of Blood and Marrow Transplantation. 8, 1, p. 17-25 9 p.

Research output: Contribution to journal › Article

KIR Receptors

Natural Killer Cells

Leukemia

Coculture Techniques

Neoplasms

2001

122 Citations (Scopus)

Augmentation of antitumor effects by NK cell inhibitory receptor blockade in vitro and in vivo

Koh, C. Y., Blazar, B. R., George, T., Welniak, L. A., Capitini, C. M., Raziuddin, A., Murphy, W. J. & Bennett, M., May 15 2001, In : Blood. 97, 10, p. 3132-3137 6 p.

Research output: Contribution to journal › Article

Natural Killer Cell Receptors

Tumors

Major Histocompatibility Complex

Natural Killer Cells

KIR Receptors

61 Citations (Scopus)

Immunobiology of natural killer cells and bone marrow transplantation: Merging of basic and preclinical studies

Murphy, W. J., Koh, C. Y., Raziuddin, A., Bennett, M. & Longo, D. L., 2001, In : Immunological Reviews. 181, p. 279-289 11 p.

Research output: Contribution to journal › Review article

Bone Marrow Transplantation

Natural Killer Cells

Graft vs Host Disease

Bone Marrow

Natural Killer Cell Receptors

2000

18 Citations (Scopus)

Adoptive cellular immunotherapy: NK cells and bone marrow transplantation

Koh, C. Y., Welniak, L. A. & Murphy, W. J., 2000, In : Histology and Histopathology. 15, 4, p. 1201-1210 10 p.

Research output: Contribution to journal › Review article

Adoptive Immunotherapy

Bone Marrow Transplantation

Natural Killer Cells

Graft vs Host Disease

Homologous Transplantation

23 Citations (Scopus)

The functional relevance of NK-cell-mediated upregulation of antigen-specific IgG2a responses

Koh, C. Y. & Yuan, D., Sep 15 2000, In : Cellular Immunology. 204, 2, p. 135-142 8 p.

Research output: Contribution to journal › Article

Natural Killer Cells

Up-Regulation

Plasma Cells

Antigens

T Independent Antigens

1999

10 Citations (Scopus)

The mechanism of activation of NK-cell IFN-γ production by ligation of CD28

Cheung, J. C., Koh, C. Y., Gordon, B. E., Wilder, J. A. & Yuan, D., Apr 1999, In : Molecular Immunology. 36, 6, p. 361-372 12 p.

Research output: Contribution to journal › Article

Natural Killer Cells

Ligation

Interleukin-12

Cytokines

Messenger RNA

1998

Mechanism of induction of NK cell-IFN-γ production by anti-CD28 and IL-12

Koh, C. Y., Cheung, J. C. & Yuan, D., Mar 20 1998, In : FASEB Journal. 12, 5

Research output: Contribution to journal › Article

interleukin-12

natural killer cells

Interleukin-12

Natural Killer Cells

Chemical activation

1997

25 Citations (Scopus)

The Effect of NK Cell Activation by Tumor Cells on Antigen-Specific Antibody Responses

Koh, C. Y. & Yuan, D., Nov 15 1997, In : Journal of Immunology. 159, 10, p. 4745-4752 8 p.

Research output: Contribution to journal › Article

Natural Killer Cells

Antibody Formation

Antigens

Interleukin-12

Neoplasms

1996

76 Citations (Scopus)

The role of NK cells during in vivo antigen-specific antibody responses

Wilder, J. A., Koh, C. Y. & Yuan, D., Jan 1 1996, In : Journal of Immunology. 156, 1, p. 146-152 7 p.

Research output: Contribution to journal › Article

Natural Killer Cells

Antibody Formation

Antigens

Down-Regulation

Immunoglobulin G

The role of NK cells in enhancement of IGG2A response and ADCC in early immune responses

Koh, C. Y. & Yuan, D., 1996, In : FASEB Journal. 10, 6

Research output: Contribution to journal › Article

Antibody-Dependent Cell Cytotoxicity

natural killer cells

Natural Killer Cells

Tumors

immune response

1994

49 Citations (Scopus)

Interactions between B lymphocytes and NK cells

Yuan, D., Koh, C. Y. & Wilder, J. A., 1994, In : FASEB Journal. 8, 13, p. 1012-1018 7 p.

Research output: Contribution to journal › Review article

Lymphocytes

natural killer cells

Natural Killer Cells

B-lymphocytes

B-Lymphocytes

1993

20 Citations (Scopus)

Prolactin receptor expression by lymphoid tissues in normal and immunized rats

Koh, C. Y. & Phillips, J. T., 1993, In : Molecular and Cellular Endocrinology. 92, 2

Research output: Contribution to journal › Article

Prolactin Receptors

Lymphoid Tissue

Rats

Tissue

Immunization