Search Results - "Matias, Ronald R."

Saliva as alternative to naso-oropharyngeal swab for SARS-CoV-2 detection by RT-qPCR: a multicenter cross-sectional diagnostic validation study by Tee, Michael L., Abrilla, Aedrian A., Tee, Cherica A., Dalmacio, Leslie Michelle M., Villaflor, Vivencio Jose P., Abubakar, Al-Zamzam A., Tagayuna, Pedrito Y., Aquino, Sheldon Steven C., Bernardo, Vicente Aaron L., Matias, Ronald R.

“…Saliva has been demonstrated as feasible alternative to naso-oropharyngeal swab (NOS) for SARS-CoV-2 detection through reverse transcription…”
Get full text

Role of pre-existing immunity in driving the dengue virus serotype 2 genotype shift in the Philippines: A retrospective analysis of serological data by Balingit, Jean Claude, Dimamay, Mark Pierre S, Suzuki, Ryosuke, Matsuda, Mami, Xayavong, Dalouny, Ngwe Tun, Mya Myat, Matias, Ronald R, Natividad, Filipinas F, Moi, Meng Ling, Takamatsu, Yuki, Culleton, Richard, Buerano, Corazon C, Morita, Kouichi

“…The invasion of dengue virus (DENV)-2 Cosmopolitan genotype into the Philippines, where the Asian II genotype previously circulated challenges the principle of…”
Get full text

Platelet Apoptosis and Apoptotic Platelet Clearance by Macrophages in Secondary Dengue Virus Infections by Alonzo, Maria Terrese G., Lacuesta, Talitha Lea V., Dimaano, Efren M., Kurosu, Takeshi, Suarez, Lady-anne C., Mapua, Cynthia A., Akeda, Yukihiro, Matias, Ronald R., Kuter, David J., Nagata, Shigekazu, Natividad, Filipinas F., Oishi, Kazunori

“…Background. The mechanisms of thrombocytopenia and platelet phagocytosis in dengue illness are not fully understood. Methods. A prospective hospital-based…”
Get full text

A Preliminary Investigation on the Antiviral Activities of the Philippine Marshmint (Mentha arvensis) Leaf Extracts against Dengue Virus Serotype 2 In Vitro by Victoriano-Belvis, Ann Florence B, Lao, Raphaella G, Morato, Maria Katrina T, Repotente, Elmer Casley T, Saclauso, Shirhasernamin A, Inovejas, Samuel Alan B, Matias, Ronald R

“…In this study, we investigated the antiviral activity of lyophilized crude leaf extracts of the Philippine marshmint (Mentha arvensis L., commonly called yerba…”
Get full text

Hybrid Vibrio cholerae El Tor lacking SXT identified as the cause of a cholera outbreak in the Philippines by Klinzing, David C, Choi, Seon Young, Hasan, Nur A, Matias, Ronald R, Tayag, Enrique, Geronimo, Josefina, Skowronski, Evan, Rashed, Shah M, Kawashima, Kent, Rosenzweig, C Nicole, Gibbons, Henry S, Torres, Brian C, Liles, Veni, Alfon, Alicia C, Juan, Maria Luisa, Natividad, Filipinas F, Cebula, Thomas A, Colwell, Rita R

“…Cholera continues to be a global threat, with high rates of morbidity and mortality. In 2011, a cholera outbreak occurred in Palawan, Philippines, affecting…”
Get full text

Shotgun Genome Sequence of a Yersinia enterocolitica Isolate from the Philippines by Klinzing, David C, Matias, Ronald R, Skowronski, Evan, Alvarez, May, Liles, Veni, Dimamay, Mark Pierre, Natividad, Filipinas F

“…The first shotgun genome sequence of a microbial pathogen from the Philippines is reported. Yersinia enterocolitica subsp. palearctica strain PhRBD_Ye1 is the…”
Get full text

Comparison of clinical features and hematologic abnormalities between dengue fever and dengue hemorrhagic fever among children in the Philippines by Carlos, Celia C, Oishi, Kazunori, Cinco, Maria T D D, Mapua, Cynthia A, Inoue, Shingo, Cruz, Deu John M, Pancho, Mary Ann M, Tanig, Carol Z, Matias, Ronald R, Morita, Kouichi, Natividad, Filipinas F, Igarashi, Akira, Nagatake, Tsuyoshi

“…To demonstrate the differences of clinical features and hematologic abnormalities between dengue fever (DF) and dengue hemorrhagic fever (DHF), 359 pediatric…”
Get more information

Evaluation of a dengue IgG indirect enzyme-linked immunosorbent assay and a Japanese encephalitis IgG indirect enzyme-linked immunosorbent assay for diagnosis of secondary dengue virus infection by Inoue, Shingo, Alonzo, Maria T G, Kurosawa, Yae, Mapua, Cynthia A, Reyes, Joyce D, Dimaano, Efren M, Alera, Maria Theresa P, Saito, Mariko, Oishi, Kazunori, Hasebe, Futoshi, Matias, Ronald R, Natividad, Filipinas F, Morita, Kouichi

“…To establish a new method for the diagnosis of dengue secondary infection, 187 serum samples from the patients with dengue secondary infection, 40 serum…”
Get more information

Increased Phagocytosis of Platelets from Patients with Secondary Dengue Virus Infection by Human Macrophages by Honda, Shoko, Saito, Mariko, Dimaano, Efren M, Morales, Philip A, Alonzo, Maria T. G, Suarez, Lady-Anne C, Koike, Natsuki, Inoue, Shingo, Kumatori, Atsushi, Matias, Ronald R, Natividad, Filipinas F, Oishi, Kazunori

“…The relationship between the percent phagocytosis of platelets by differentiated THP-1 cells was examined using flowcytometry and the peripheral platelet…”
Get full text

Development and evaluation of a fluorogenic real‐time RT‐PCR for the detection of dengue 3 virus by Tan, Irene L, Dimamay, Mark Pierre S, Buerano, Corazon C, Alfon, Jhoe Anthony R, Tanig, Carol Z, Matias, Ronald R, Natividad, Filipinas F

“…A dengue‐3‐specific real‐time reverse transcriptase‐polymerase chain reaction (RT‐PCR) was developed using the novel Light Upon eXtension (LUX™) fluorogenic…”
Get full text

Complete genome sequence of chikungunya virus isolated in the Philippines by Kawashima, Kent D, Suarez, Lady-Anne C, Labayo, Hannah Karen M, Liles, Veni R, Salvoza, Noel C, Klinzing, David C, Daroy, Maria Luisa G, Matias, Ronald R, Natividad, Filipinas F

“…Chikungunya virus is an alphavirus of the Togaviridae family, which causes a febrile illness with arthralgia in humans. We report here on the complete genome…”
Get full text

FLOW CYTOMETRIC ANALYSIS OF DENGUE VIRUS-INFECTED CELLS IN PERIPHERAL BLOOD by BACLIG, Michael O, GERVACIO, Leonora Ts, SUAREZ, Lady-Anne C, BUERANO, Corazon C, MATIAS, Ronald R, KUMATORI, Atsushi, INOUE, Shingo, MORITA, Kouichi, NATIVIDAD, Filipinas F, HASEBE, Futoshi

“…With the development of permeabilization techniques in flow cytometry and the availability of various monoclonal antibodies (MAbs) that specifically bind with…”
Get full text

Association of glutathione S-transferase T1 and M1 genotypes with chronic liver diseases among Filipinos by Baclig, Michael O, Alvarez, May R, Lozada, Xerxes Morgan R, Mapua, Cynthia A, Lozano-Kühne, Jingky P, Dimamay, Mark Pierre S, Natividad, Filipinas F, Gopez-Cervantes, Juliet, Matias, Ronald R

“…The glutathione S-transferase (GST) supergene family is made up of four gene families responsible for the biotransformation of drugs and other xenobiotics…”
Get full text

Correlation between increased platelet-associated IgG and thrombocytopenia in secondary dengue virus infections by Oishi, Kazunori, Inoue, Shingo, Cinco, Maria T.D.D., Dimaano, Efren M., Alera, Maria T.P., Alfon, Jhoe A.R., Abanes, Ferdinand, Cruz, Deu J.M., Matias, Ronald R., Matsuura, Hiromi, Hasebe, Futoshi, Tanimura, Susumu, Kumatori, Atsushi, Morita, Kouichi, Natividad, Filipinas F., Nagatake, Tsuyoshi

“…Although the public health impact of dengue is increasing rapidly, the mechanism of thrombocytopenia in this disease remains unknown. To elucidate this…”
Get full text

Comparison of clinical and environmental isolates of Acanthamoeba based on morphology, protease and gelatinase activity, and the cysteine proteinase gene by Gil M. Penuliar, Ronald R. Matias, Filipinas F. Natividad

“…Acanthamoeba spp. are opportunistic pathogens that cause amebic keratitis and granulomatous amebic encephalitis in man. Recent attempts to correlate…”
Get full text

Antigen sandwich ELISA predicts RT-PCR detection of dengue virus genome in infected culture fluids of Aedes albopictus C6/36 cells by Buerano, Corazon C, Natividad, Filipinas F, Contreras, Rodolfo C, Ibrahim, Ima Nurisa, Mangada, Marlou Noel M, Hasebe, Futoshi, Inoue, Shingo, Matias, Ronald R, Igarashi, Akira

“…Antigen detection by sandwich ELISA was evaluated to predict RT-PCR detection of dengue viral genome in infected culture fluid of Aedes albopictus clone C6/36…”
Get full text

Molecular epidemiology of dengue 2 viruses in the Philippines: genotype shift and local evolution by Salda, Leonora T D, Parquet, Maria D C, Matias, Ronald R, Natividad, Filipinas F, Kobayashi, Noboyuki, Morita, Kouichi

“…The pre-membrane (prM) and envelope (E) genes of 41 viruses isolated from dengue fever (DF), dengue hemorrhagic fever (DHF), and dengue shock syndrome (DSS)…”
Get more information

Allelic Frequencies of Single Nucleotide Polymorphisms (SNPs) in the N-acetyltransferase 2 (NAT2) Gene of Filipinos by Autus-Geniston, Leonora V., Matias, Ronald R., Tuazon, Alexander O.

“…Objectives. The present study aims to determine the frequency of occurrence of NAT2*4, NAT2*5A, NAT2*6B, NAT2*7A and NAT2*14A alleles by PCR-RFLP among…”
Get full text

IgM-capture ELISA of serum samples collected from Filipino Dengue patients by BUERANO, Corazon C, IMA NURISA IBRAHIM, CONTRERAS, Rodolfo C, HASEBE, Futoshi, DENGUE NETWORK PHILIPPINES, MATIAS, Ronald R, NATIVIDAD, Filipinas F, IGARASHI, Akira

“…Viral antigens for 4 dengue serotypes were produced in C6/36 Aedes albopictus cells. These were used as assay antigens for IgM-capture ELISA to detect IgM…”
Get full text

ANTIGEN SANDWICH ELISA PREDICTS RT-PCR DETECTION OF DENGUE VIRUS GENOME IN INFECTED CULTURE FLUIDS OF AEDES ALBOPICTUS C6/36 CELLS by BUERANO, Corazon C, NATIVIDAD, Filipinas F, CONTRERAS, Rodolfo C, IBRAHIM, Ima Nurisa, MANGADA, Marlou Noel M, HASEBE, Futoshi, INOUE, Shingo, MATIAS, Ronald R, IGARASHI, Akira

Get full text