Displaying publications 1 - 20 of 159 in total

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  1. Five years of insulin shock therapy of schizophrenia in Singapore; a review
    BROWNE J
    Med J Malaya, 1954 Dec;9(2):99-114.
    PMID: 14355274
    Matched MeSH terms: Zebrafish*
  2. Some aspects of breast feeding in Singapore
    MILLIS J
    Med J Malaya, 1955 Dec;10(2):157-61.
    PMID: 13308616
    Matched MeSH terms: Zebrafish*
  3. Insect introduction hazards affecting Singapore and neighbouring territories
    LAIRD M
    Med J Malaya, 1956 Sep;11(1):40-61; discussion, 61-2.
    PMID: 13399542
    Matched MeSH terms: Zebrafish*
  4. Incidence of helminthiasis in H.M. Naval Base, Singapore
    COLLINS CP
    Med J Malaya, 1957 Dec;12(2):448-55.
    PMID: 13515877
    Matched MeSH terms: Zebrafish*
  5. Filariasis in Singapore
    DANARAJ TJ, SCHACHER JF, COLLESS DH
    Med J Malaya, 1958 Jun;12(4):605-12.
    PMID: 13577153
    Matched MeSH terms: Zebrafish*
  6. Mycoses of Malaya and Singapore
    KIRK R
    J Trop Med Hyg, 1959 Jan;62(1):10-7.
    PMID: 13621483
    Matched MeSH terms: Zebrafish*
  7. Fulltext Upregulated mRNA expression of desaturase and elongase, two enzymes involved in highly unsaturated fatty acids biosynthesis pathways during follicle maturation in zebrafish
    Ishak SD, Tan SH, Khong HK, Jaya-Ram A, Enyu YL, Kuah MK, et al.
    Reprod Biol Endocrinol, 2008;6:56.
    PMID: 19025614 DOI: 10.1186/1477-7827-6-56
    Although unsaturated fatty acids such as eicosapentaenoic acid (EPA, C20:5n-3), docosahexaenoic acid (DHA, C22:6n-3) and arachidonic acid (ARA, C20:4n-6), collectively known as the highly unsaturated fatty acids (HUFA), play pivotal roles in vertebrate reproduction, very little is known about their synthesis in the ovary. The zebrafish (Danio rerio) display capability to synthesize all three HUFA via pathways involving desaturation and elongation of two precursors, the linoleic acid (LA, C18:2n-6) and linolenic acid (LNA, C18:3n-3). As a prerequisite to gain full understanding on the importance and regulation of ovarian HUFA synthesis, we described here the mRNA expression pattern of two enzymes; desaturase (fadsd6) and elongase (elovl5), involved in HUFA biosynthesis pathway, in different zebrafish ovarian follicle stages. Concurrently, the fatty acid profile of each follicle stage was also analyzed.
    Matched MeSH terms: Zebrafish
  8. Cloning and expression of kiss2 in the zebrafish and medaka
    Kitahashi T, Ogawa S, Parhar IS
    Endocrinology, 2009 Feb;150(2):821-31.
    PMID: 18927220 DOI: 10.1210/en.2008-0940
    Newly discovered kisspeptin (metastin), encoded by the Kiss1/KISS1 gene, is considered as a major gatekeeper of puberty through the regulation of GnRH. In the present study, we cloned a novel kisspeptin gene (kiss2) in the zebrafish Danio rerio and the medaka Oryzias latipes, which encodes a sequence of 125 and 115 amino acids, respectively, and its core sequence (FNLNPFGLRF, F-F form) is different from the previously characterized kiss1 (YNLNSFGLRY, Y-Y form). Our in silico data mining shows kiss1 and kiss2 are highly conserved across nonmammalian vertebrate species, and we have identified two putative kisspeptins in the platypus and three forms in Xenopus. In the brain of zebrafish and medaka, in situ hybridization and laser capture microdissection coupled with real-time PCR showed kiss1 mRNA expression in the ventromedial habenula and the periventricular hypothalamic nucleus. The kiss2 mRNA expression was observed in the posterior tuberal nucleus and the periventricular hypothalamic nucleus. Quantitative real-time PCR analysis during zebrafish development showed a significant increase in zebrafish kiss1, kiss2 (P < 0.002), gnrh2, and gnrh3 (P < 0.001) mRNA levels at the start of the pubertal phase and remained high in adulthood. In sexually mature female zebrafish, Kiss2 but not Kiss1 administration significantly increased FSH-beta (2.7-fold, P < 0.05) and LH-beta (8-fold, P < 0.01) mRNA levels in the pituitary. These results suggest that the habenular Kiss1 and the hypothalamic Kiss2 are potential regulators of reproduction including puberty and that Kiss2 is the predominant regulator of gonadotropin synthesis in fish.
    Matched MeSH terms: Zebrafish/genetics*; Zebrafish/metabolism; Zebrafish Proteins/genetics; Zebrafish Proteins/isolation & purification; Zebrafish Proteins/metabolism
  9. Fulltext Pbx1 is essential for growth of zebrafish swim bladder
    Teoh PH, Shu-Chien AC, Chan WK
    Dev. Dyn., 2010 Mar;239(3):865-74.
    PMID: 20108353 DOI: 10.1002/dvdy.22221
    pbx1, a TALE (three-amino acid loop extension) homeodomain transcription factor, is involved in a diverse range of developmental processes. We examined the expression of pbx1 during zebrafish development by in situ hybridization. pbx1 transcripts could be detected in the central nervous system and pharyngeal arches from 24 hpf onwards. In the swim bladder anlage, pbx1 was detected as early as 28 hpf, making it the earliest known marker for this organ. Morpholino-mediated gene knockdown of pbx1 revealed that the swim bladder failed to inflate, with eventual lethality occurring by 8 dpf. The knockdown of pbx1 did not perturb the expression of prdc and foxA3, with both early swim bladder markers appearing normally at 36 and 48 hpf, respectively. However, the expression of anxa5 was completely abolished by pbx1 knockdown at 60 hpf suggesting that pbx1 may be required during the late stage of swim bladder development.
    Matched MeSH terms: Zebrafish; Zebrafish Proteins/metabolism*
  10. Distinct developmental expression of two elongase family members in zebrafish
    Tan SH, Chung HH, Shu-Chien AC
    Biochem Biophys Res Commun, 2010 Mar 12;393(3):397-403.
    PMID: 20138842 DOI: 10.1016/j.bbrc.2010.01.130
    Despite the known importance of long-chained polyunsaturated fatty acids (LC-PUFA) during development, very little is known about their utilization and biosynthesis during embryogenesis. Combining the advantages of the existence of a complete range of enzymes required for LC-PUFA biosynthesis and the well established developmental biology tools in zebrafish, we examined the expression patterns of three LC-PUFA biosynthesis genes, Elovl2-like elongase (elovl2), Elovl5-like elongase (elovl5) and fatty acyl desaturase (fad) in different zebrafish developmental stages. The presence of all three genes in the brain as early as 24 hours post fertilization (hpf) implies LC-PUFA synthesis activity in the embryonic brain. This expression eventually subsides from 72 hpf onwards, coinciding with the initiation of elovl2 and fad expression in the liver and intestine, 2 organs known to be involved in adult fish LC-PUFA biosynthesis. Collectively, these patterns strongly suggest the necessity for localized production of LC-PUFA in the brain during in early stage embryos prior to the maturation of the liver and intestine. Interestingly, we also showed a specific expression of elovl5 in the proximal convoluted tubule (PCT) of the zebrafish pronephros, suggesting a possible new role for LC-PUFA in kidney development and function.
    Matched MeSH terms: Zebrafish/embryology*; Zebrafish/genetics; Zebrafish Proteins/genetics*; Zebrafish Proteins/metabolism
  11. Fulltext Expression of receptor-interacting protein (RIP 140) in zebrafish tissues and embryonic stages
    Teoh, P.H., Kuah, M.K., Lim, P.S., Muhammand, T.S.T., Najimudin, N., Chien, A.S.C.
    ASM Science Journal, 2010;4(2):123-132.
    MyJurnal
    The receptor-interacting protein 140 (RIP 140) is a well known nuclear repressor and has been shown to be crucial for female reproduction and metabolism. However, the function of this repressor in developmental processes is still unknown. We conducted a study to investigate the expression patterns of RIP 140 in developing zebrafish embryos. Semi-quantitative RT-PCR analysis revealed that RIP140 was highly expressed in the eye, swim bladder, reproductive and metabolic organs of adult zebrafish. During embryogenesis, RIP 140 mRNA was continuously expressed throughout all the developmental stages with the highest expression at 24 hours of post-fertilization (hpf). Furthermore, in situ hybridization whole-mounts revealed that the expression of this gene was mainly localized in the eyes, mid-brain, pectoral fin buds and somites. Therefore, this present study has provided a starting point for future investigations to examine the role of RIP 140 in the development of these organs.
    Matched MeSH terms: Zebrafish
  12. Fulltext Mitragynine attenuates withdrawal syndrome in morphine-withdrawn zebrafish
    Khor BS, Jamil MF, Adenan MI, Shu-Chien AC
    PLoS One, 2011;6(12):e28340.
    PMID: 22205946 DOI: 10.1371/journal.pone.0028340
    A major obstacle in treating drug addiction is the severity of opiate withdrawal syndrome, which can lead to unwanted relapse. Mitragynine is the major alkaloid compound found in leaves of Mitragyna speciosa, a plant widely used by opiate addicts to mitigate the harshness of drug withdrawal. A series of experiments was conducted to investigate the effect of mitragynine on anxiety behavior, cortisol level and expression of stress pathway related genes in zebrafish undergoing morphine withdrawal phase. Adult zebrafish were subjected to two weeks chronic morphine exposure at 1.5 mg/L, followed by withdrawal for 24 hours prior to tests. Using the novel tank diving tests, we first showed that morphine-withdrawn zebrafish display anxiety-related swimming behaviors such as decreased exploratory behavior and increased erratic movement. Morphine withdrawal also elevated whole-body cortisol levels, which confirms the phenotypic stress-like behaviors. Exposing morphine-withdrawn fish to mitragynine however attenuates majority of the stress-related swimming behaviors and concomitantly lower whole-body cortisol level. Using real-time PCR gene expression analysis, we also showed that mitragynine reduces the mRNA expression of corticotropin releasing factor receptors and prodynorphin in zebrafish brain during morphine withdrawal phase, revealing for the first time a possible link between mitragynine's ability to attenuate anxiety during opiate withdrawal with the stress-related corticotropin pathway.
    Matched MeSH terms: Zebrafish*
  13. Habenular Kiss1 neurons modulate the serotonergic system in the brain of zebrafish
    Ogawa S, Ng KW, Ramadasan PN, Nathan FM, Parhar IS
    Endocrinology, 2012 May;153(5):2398-407.
    PMID: 22454151 DOI: 10.1210/en.2012-1062
    The Kiss1/KISS1 gene has recently been implicated as a potent hypothalamic regulator of reproductive functions, in particular, the onset of puberty in mammals. In zebrafish (Danio rerio), there are two kiss1 homologues (kiss1 and kiss2) expressed in the brain: Kiss2-expressing neurons in the hypothalamic nuclei are considered potent regulators of reproduction, whereas the role of Kiss1-expressing neurons in the habenula remains unknown. We first analyzed the expression of kiss1 mRNA in a transgenic zebrafish, in which the habenula-interpeduncular nucleus (IPN) pathway is labelled with green fluorescent protein, and our application of a biocytin neural tracer into the habenula showed the presence of neuronal projections of Kiss1 neurons to the ventral IPN. Therefore, we speculated that kiss1 neurons might regulate the serotonergic system in the raphe. However, laser microdissection followed by real-time PCR revealed the expression of Kiss1 receptor (kissr1) mRNA in the habenula and the ventral IPN but not in the dorsal IPN or the serotonergic neurons in the raphe nuclei. Dual-fluorescent in situ hybridization revealed the coexpression of kiss1 and kissr1 mRNA in the habenula. Administration of Kiss1 significantly decreased the level of kiss1 mRNA (0.3- to 0.5-fold, P < 0.001), but the level of c-fos mRNA was increased (≈ 3-fold, P < 0.05) in the ventral habenula, suggesting that there is autocrine regulation of the kiss1 gene. Kiss1 administration significantly increased the c-fos mRNA levels in the raphe nuclei (2.5-fold, P < 0.001) and genes involved in the regulation of serotonin levels (pet1 and slc6a4a; 3.3- and 2.2-fold, P < 0.01). These findings suggest that the autocrine-regulated habenular Kiss1 neurons indirectly regulate the serotonergic system in the raphe nuclei through the IPN in the zebrafish.
    Matched MeSH terms: Zebrafish; Zebrafish Proteins/metabolism*; Zebrafish Proteins/pharmacology
  14. Cloning and expression of tachykinins and their association with kisspeptins in the brains of zebrafish
    Ogawa S, Ramadasan PN, Goschorska M, Anantharajah A, Ng KW, Parhar IS
    J. Comp. Neurol., 2012 Sep 1;520(13):2991-3012.
    PMID: 22430310 DOI: 10.1002/cne.23103
    The tachykinins are a family of neuropeptides, including substance P (SP), neurokinin A (NKA), and neurokinin B (NKB), that are encoded by the tac1 (SP and NKA) or tac2/3 (NKB) genes. Tachykinins are widely distributed in the central nervous system and have roles as neurotransmitters and/or neuromodulators. Recent studies in mammals have demonstrated the coexpression of NKB and kisspeptin and their comodulatory roles over the control of reproduction. We have recently identified two kisspeptin-encoding genes, kiss1 and kiss2, in teleosts. However, such relationship between tachykinins and kisspeptins has not been demonstrated in non-mammalian species. To determine the involvement of tachykinins in the reproduction in teleosts, we identified tac1 and two tac2 (tac2a and tac2b) sequences in the zebrafish genome using in silico data mining. Zebrafish tac1 encodes SP and NKA, whereas the tac2 sequences encode NKB and an additional peptide homologous to NKB (NKB-related peptide). Digoxigenin in situ hybridization in the brain of zebrafish showed tac1 mRNA-containing cells in the olfactory bulb, telencephalon, preoptic region, hypothalamus, mesencephalon, and rhombencephalon. The zebrafish tac2a mRNA-containing cells were observed in the preoptic region, habenula, and hypothalamus, whereas the tac2b mRNA-containing cells were predominantly observed in the dorsal telencephalic area. Furthermore, we examined the coexpression of tachykinins and two kisspeptin genes in the brain of zebrafish. Dual fluorescent in situ hybridization showed no coexpression of tachykinins mRNA with kisspeptins mRNA in hypothalamic nuclei or the habenula. These results suggest the presence of independent pathways for kisspeptins and NKB neurons in the brain of zebrafish.
    Matched MeSH terms: Zebrafish/metabolism*
  15. Fulltext In vitro and in vivo anti-angiogenic activities of Panduratin A
    Lai SL, Cheah SC, Wong PF, Noor SM, Mustafa MR
    PLoS One, 2012;7(5):e38103.
    PMID: 22666456 DOI: 10.1371/journal.pone.0038103
    BACKGROUND: Targeting angiogenesis has emerged as an attractive and promising strategy in anti-cancer therapeutic development. The present study investigates the anti-angiogenic potential of Panduratin A (PA), a natural chalcone isolated from Boesenbergia rotunda by using both in vitro and in vivo assays.

    METHODOLOGY/PRINCIPAL FINDINGS: PA exerted selective cytotoxicity on human umbilical vein endothelial cells (HUVECs) with IC(50) value of 6.91 ± 0.85 µM when compared to human normal fibroblast and normal liver epithelial cells. Assessment of the growth kinetics by cell impedance-based Real-Time Cell Analyzer showed that PA induced both cytotoxic and cytostatic effects on HUVECs, depending on the concentration used. Results also showed that PA suppressed VEGF-induced survival and proliferation of HUVECs. Furthermore, endothelial cell migration, invasion, and morphogenesis or tube formation demonstrated significant time- and dose-dependent inhibition by PA. PA also suppressed matrix metalloproteinase-2 (MMP-2) secretion and attenuated its activation to intermediate and active MMP-2. In addition, PA suppressed F-actin stress fiber formation to prevent migration of the endothelial cells. More importantly, anti-angiogenic potential of PA was also evidenced in two in vivo models. PA inhibited neo-vessels formation in murine Matrigel plugs, and angiogenesis in zebrafish embryos.

    CONCLUSIONS/SIGNIFICANCE: Taken together, our study demonstrated the distinctive anti-angiogenic properties of PA, both in vitro and in vivo. This report thus reveals another biological activity of PA in addition to its reported anti-inflammatory and anti-cancer activities, suggestive of PA's potential for development as an anti-angiogenic agent for cancer therapy.

    Matched MeSH terms: Zebrafish
  16. Caffeine neuroprotects against dexamethasone-induced anxiety-like behaviour in the Zebrafish (Danio rerio)
    Khor YM, Soga T, Parhar IS
    Gen Comp Endocrinol, 2013 Jan 15;181:310-5.
    PMID: 23044054 DOI: 10.1016/j.ygcen.2012.09.021
    The early-life stress has critical impact on brain development which can lead to long-term effects on brain functions during adulthood. It has been reported that caffeine possesses a protective effect in neurodegenerative diseases. Thus, this study investigates the potential of caffeine to protect brain functions from adverse effects due to stress exposure during early-life development in the male zebrafish. In the first part of this study, synthetic glucocorticoid, dexamethasone (DEX) (2-200 mg/L for 24 h) was used to induce stress effects in the zebrafish larvae from 4 to 5 days post-fertilisation (dpf) and the effect of DEX administration on zebrafish larvae on anxiety-like behaviour during adulthood in novel tank test was investigated. Next, the possible protective effect of caffeine pre-treatment (5-50 mg/L for 24 h from 3 to 4dpf) before DEX administration was studied. DEX-treated adult male zebrafish showed higher anxiety levels in behavioural tests, as seen in longer latency to enter the top part of the tank, lower transition numbers between the top and bottom parts with more time spent at the bottom and lesser time spent at the top and lower distance travelled at top part. The effect of DEX on anxiety-like behaviour was dose-dependent. Importantly, adult male zebrafish pre-treated with caffeine before DEX treatment did not show any anxiety-like behaviour. These results show that exposure to stress during early-life leads to anxiety-like behaviour in the adult male zebrafish but pre-treatment with caffeine protects from stress-induced anxiety.
    Matched MeSH terms: Zebrafish
  17. Temperature differentially regulates the two kisspeptin systems in the brain of zebrafish
    Shahjahan M, Kitahashi T, Ogawa S, Parhar IS
    Gen Comp Endocrinol, 2013 Nov 1;193:79-85.
    PMID: 23899715 DOI: 10.1016/j.ygcen.2013.07.015
    Kisspeptins encoded by the kiss1 and kiss2 genes play an important role in reproduction through the stimulation of gonadotropin-releasing hormone (GnRH) secretion by activating their receptors (KissR1 EU047918 and KissR2 EU047917). To understand the mechanism through which temperature affects reproduction, we examined kiss1 and kiss2 and their respective receptor (kissr1 and kissr2) gene expression in the brain of male zebrafish exposed to a low temperature (15°C), normal temperature (27°C), and high temperature (35°C) for 7-days. kiss1 mRNA levels in the brain were significantly increased (2.9-fold) in the low temperature compared to the control (27°C), while no noticeable change was observed in the high temperature conditions. Similarly, kissr1 mRNA levels were significantly increased (1.5-2.2-folds) in the low temperature conditions in the habenula, the nucleus of the medial longitudinal fascicle, oculomotor nucleus, and the interpeduncular nucleus. kiss2 mRNA levels were significantly decreased (0.5-fold) in the low and high temperature conditions, concomitant with kissr2 mRNA levels (0.5-fold) in the caudal zone of the periventricular hypothalamus and the posterior tuberal nucleus. gnrh3 but not gnrh2 mRNA levels were also decreased (0.5-fold) in the low and high temperature conditions. These findings suggest that while the kiss1/kissr1 system is sensitive to low temperature, the kiss2/kissr2 system is sensitive to both extremes of temperature, which leads to failure in reproduction.
    Matched MeSH terms: Zebrafish/genetics; Zebrafish/metabolism*; Zebrafish/physiology; Zebrafish Proteins/metabolism*
  18. Assessment of anti-inflammatory effect of 5β-hydroxypalisadin B isolated from red seaweed Laurencia snackeyi in zebrafish embryo in vivo model
    Wijesinghe WA, Kim EA, Kang MC, Lee WW, Lee HS, Vairappan CS, et al.
    Environ Toxicol Pharmacol, 2014 Jan;37(1):110-7.
    PMID: 24317194 DOI: 10.1016/j.etap.2013.11.006
    5β-Hydroxypalisadin B, a halogenated secondary metabolite isolated from red seaweed Laurencia snackeyi was evaluated for its anti-inflammatory activity in lipopolysaccharide (LPS)-induced zebrafish embryo. Preliminary studies suggested the effective concentrations of the compound as 0.25, 0.5, 1 μg/mL for further in vivo experiments. 5β-Hydroxypalisadin B, exhibited profound protective effect in the zebrafish embryo as confirmed by survival rate, heart beat rate, and yolk sac edema size. The compound acts as an effective agent against reactive oxygen species (ROS) formation induced by LPS and tail cut. Moreover, 5β-hydroxypalisadin B effectively inhibited the LPS-induced nitric oxide (NO) production in zebrafish embryo. All the tested protective effects of 5β-hydroxypalisadin B were comparable to the well-known anti-inflammatory agent dexamethasone. According to the results obtained, 5β-hydroxypalisadin B isolated from red seaweed L. snackeyi could be considered as an effective anti-inflammatory agent which might be further developed as a functional ingredient.
    Matched MeSH terms: Zebrafish
  19. Fulltext Habenular kisspeptin modulates fear in the zebrafish
    Ogawa S, Nathan FM, Parhar IS
    Proc Natl Acad Sci U S A, 2014 Mar 11;111(10):3841-6.
    PMID: 24567386 DOI: 10.1073/pnas.1314184111
    Kisspeptin, a neuropeptide encoded by the KISS1/Kiss1, and its cognate G protein-coupled receptor, GPR54 (kisspeptin receptor, Kiss-R), are critical for the control of reproduction in vertebrates. We have previously identified two kisspeptin genes (kiss1 and kiss2) in the zebrafish, of which kiss1 neurons are located in the habenula, which project to the median raphe. kiss2 neurons are located in the hypothalamic nucleus and send axonal projections to gonadotropin-releasing hormone neurons and regulate reproductive functions. However, the physiological significance of the Kiss1 expressed in the habenula remains unknown. Here we demonstrate the role of habenular Kiss1 in alarm substance (AS)-induced fear response in the zebrafish. We found that AS-evoked fear experience significantly reduces kiss1 and serotonin-related genes (plasmacytoma expressed transcript 1 and solute carrier family 6, member 4) in the zebrafish. Furthermore, Kiss1 administration suppressed the AS-evoked fear response. To further evaluate the role of Kiss1 in fear response, zebrafish Kiss1 peptide was conjugated to saporin (SAP) to selectively inactivate Kiss-R1-expressing neurons. The Kiss1-SAP injection significantly reduced Kiss1 immunoreactivity and c-fos mRNA in the habenula and the raphe compared with control. Furthermore, 3 d after Kiss1-SAP injection, the fish had a significantly reduced AS-evoked fear response. These findings provide an insight into the role of the habenular kisspeptin system in inhibiting fear.
    Matched MeSH terms: Zebrafish/metabolism; Zebrafish/physiology*
  20. Fulltext Regulation of embryonic hematopoiesis by a cytokine-inducible SH2 domain homolog in zebrafish
    Lewis RS, Noor SM, Fraser FW, Sertori R, Liongue C, Ward AC
    J Immunol, 2014 Jun 15;192(12):5739-48.
    PMID: 24835394 DOI: 10.4049/jimmunol.1301376
    Cytokine-inducible SH2 domain-containing protein (CISH), a member of the suppressor of cytokine signaling family of negative feedback regulators, is induced by cytokines that activate STAT5 and can inhibit STAT5 signaling in vitro. However, demonstration of a definitive in vivo role for CISH during development has remained elusive. This study employed expression analysis and morpholino-mediated knockdown in zebrafish in concert with bioinformatics and biochemical approaches to investigate CISH function. Two zebrafish CISH paralogs were identified, cish.a and cish.b, with high overall conservation (43-46% identity) with their mammalian counterparts. The cish.a gene was maternally derived, with transcripts present throughout embryogenesis, and increasing at 4-5 d after fertilization, whereas cish.b expression commenced at 8 h after fertilization. Expression of cish.a was regulated by the JAK2/STAT5 pathway via conserved tetrameric STAT5 binding sites (TTCN3GAA) in its promoter. Injection of morpholinos targeting cish.a, but not cish.b or control morpholinos, resulted in enhanced embryonic erythropoiesis, myelopoiesis, and lymphopoiesis, including a 2- 3-fold increase in erythrocytic markers. This occurred concomitantly with increased activation of STAT5. This study indicates that CISH functions as a conserved in vivo target and regulator of STAT5 in the control of embryonic hematopoiesis.
    Matched MeSH terms: Zebrafish/genetics; Zebrafish/immunology*; Zebrafish Proteins/genetics; Zebrafish Proteins/immunology*
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