Displaying all 7 publications

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  1. Rohani MY, Cheong YM, Rani JM
    Malays J Pathol, 1995 Dec;17(2):67-71.
    PMID: 8935128
    The diagnostic value of adenosine deaminase (ADA) activity was studied to evaluate its use in the differential diagnosis of tuberculous meningitis in the local setting. Cerebrospinal fluid (CSF) from 119 patients with meningitis and other conditions with central nervous system symptoms were collected and ADA activity determined by the colorimetric method of Guisti read at 628 nm. The CSF was also subjected to other laboratory examinations so as to provide the aetiological diagnosis. All 14 tuberculous meningitis patients had ADA activity greater than the cut off value of 9.0 IU/L. High ADA activity was also seen in 13 of 105 non-tuberculous cases giving a specificity of 87.6%. Even though the ADA activity determination is sensitive for tuberculosis, it was not specific enough to be used as a rapid diagnostic test. However when interpreted together with clinical signs and symptoms and other laboratory tests, it is a useful adjunctive rapid marker for tuberculosis.
    Matched MeSH terms: Adenosine Deaminase/metabolism*
  2. Welch QB, Shu LC, Thangavelu S, Lie-Injo EL
    Hum. Hered., 1978;28(1):62-5.
    PMID: 618819
    812 West Malaysian Orang Asli belonging to four ethnic groups were surveyed for adenosine deaminase (ADA; EC 3.5.4.4) using starch gel electrophoresis. Only the common ADA1 and ADA2 alleles were found, with the frequencies of the latter being 0.025, 0.103, 0.115 and 0.028 in the Semai, Semelai, Temuan, and Jakun groups, respectively. A new 'breeding genetic distance' was applied to these gene frequencies and the Semelai and Temuan were found to be more closely related to each other, and to have considerably more evolutionary flexibility on this scale of 'micro-evolution' than the other two groups. The Semai and Jakun were more similar to each other on the basis of these ADA gene frequencies.
    Matched MeSH terms: Adenosine Deaminase/genetics*
  3. Welch QB, Lie-Injo LE, Ganesan J
    Hum. Hered., 1975;25(1):69-72.
    PMID: 1150296
    944 adenosine deaminase phenotypings of Malay, Chinese, and Indian blood donors and newborns at Kuala Lumpur, Malaysia, yielded ADA1 gene frequency estimates of 0.885 for the Malays, 0.939 for the Chinese, and 0.853 for the Indians.
    Matched MeSH terms: Adenosine Deaminase/blood*
  4. Yip MY, Dhaliwal SS, Yong HS
    Hum. Hered., 1979;29(1):5-9.
    PMID: 761922
    Four red cell enzyme systems were studied in Malaysian mothers and their newborn belonging to three racial groups, the Malays, Indians and Chinese. No significant heterogeneity was observed in the distribution of phosphoglucomutase (PGM1), adenosine deaminase (ADA), 6-phosphogluconate dehydrogenase (6PGD) and acid phosphatase (AP) phenotypes between mothers and their newborn of the three groups. Pooled mother and child acid phosphatase data show a significant heterogeneity between the Malays and Chinese, and between the Malays and Indians. This is comparable to previous studies conducted. For the placental phosphoglucomutase (PGM3) system, a significant heterogeneity was observed between the Chinese and Malays only. No significant heterogeneity was detected in the distribution of PGM1, ADA and 6PGD phenotypes among Malays, Chinese and Indians.
    Matched MeSH terms: Adenosine Deaminase/blood; Adenosine Deaminase/genetics*
  5. Noorhidayah Md Nazir, Munirah Sha’ban
    MyJurnal
    This paper examines the safety and efficacy of non-viral gene transfer in cartilage tissue engineering (TE) from the worldview of Islam. The first clinical trial treating adenosine deaminase deficient patients conducted in 1990 has triggered the development of gene transfer technology. The potential of gene transfer is further explored in TE field with the hope that it could prosper the regenerative medicine application. However, ethical issues become important when it comes to application of new treatment modalities, primarily in gene transfer because of genetic modification influences the basis of life - the DNA. Besides ethical issue, the application of gene transfer in treating diseases also attract views from religious context. The questions on the techniques to administer the gene in human, social acceptance of genetically modified cell and adverse effects from it are still debatable and unresolved. Apart from that dilemma, both safety and efficacy issues are raised due to the scientific uncertainty and social perception of the technology. Despite countless number of encouraging findings and recommendations by the proponents of
    the technology, gene transfer is currently available only in the research setting. The established guidelines are used to complement and provide the necessary foundations in discussing the aspects involved in the incorporation of gene transfer with cartilage TE. Relevant Islamic input are identified and aligned to those particular guidelines. It is hoped that the integration of Islamic inputs in the existing guidelines could suggest the safest approach in treating cartilage degenerative disease through gene transfer and TE.
    Matched MeSH terms: Adenosine Deaminase
  6. Ganesan J, Lie-Injo LE, Ong Beng P
    Hum. Hered., 1976;26(2):124-7.
    PMID: 181317
    The Land and Sea Dayaks of Sarawak were surveyed for several erythrocyte enzymes. The gene frequency of 6PGDC in 132 Land Dayaks and 127 Sea Dayaks were 0.045 and 0.047, respectively. The gene frequency of PGM1-1 IN 285 Land Dayks and 240 Sea Dayaks were 0.716 and 0.779, respectively. The ADA2 gene frequency in 283 Land Dayaks and 188 Sea Dayaks were 0.154 and 0.090. ADA 5-1 was found once in the Land Dayaks and once in the Sea Dayaks. AK 2-1 was found once in 221 Sea Dayaks but not in any of 270 Land Dayaks. No PHI, LDH or CA variants were found among the Land or Sea Dayaks.
    Matched MeSH terms: Adenosine Deaminase/blood*
  7. Gopinath D, Kunnath Menon R, Chun Wie C, Banerjee M, Panda S, Mandal D, et al.
    J Oral Microbiol, 2020 Dec 09;13(1):1857998.
    PMID: 33391629 DOI: 10.1080/20002297.2020.1857998
    Objective: While some oral carcinomas appear to arise de novo, others develop within long-standing conditions of the oral cavity that have malignant potential, now known as oral potentially malignant disorders (OPMDs). The oral bacteriome associated with OPMD has been studied to a lesser extent than that associated with oral cancer. To characterize the association in detail we compared the bacteriome in whole mouth fluid (WMF) in patients with oral leukoplakia, oral cancer and healthy controls. Methods: WMF bacteriome from 20 leukoplakia patients, 31 patients with oral cancer and 23 healthy controls were profiled using the Illumina MiSeq platform. Sequencing reads were processed using DADA2, and taxonomical classification was performed using the phylogenetic placement method. Sparse Partial Least Squares Regression Discriminant Analysis model was used to identify bacterial taxa that best discriminate the studied groups. Results: We found considerable overlap between the WMF bacteriome of leukoplakia and oral cancer while a clearer separation between healthy controls and the former two disorders was observed. Specifically, the separation was attributed to 14 taxa belonging to the genera Megaspheara, unclassified enterobacteria, Prevotella, Porphyromonas, Rothia and Salmonella, Streptococcus, and Fusobacterium. The most discriminative bacterial genera between leukoplakia and oral cancer were Megasphaera, unclassified Enterobacteriae, Salmonella and Prevotella.Conclusion: Oral bacteria may play a role in the early stages of oral carcinogenesis as a dysbiotic bacteriome is associated with oral leukoplakia and this resembles that of oral cancer more than healthy controls. Our findings may have implications for developing oral cancer prevention strategies targeting early microbial drivers of oral carcinogenesis.
    Matched MeSH terms: Adenosine Deaminase
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