LIVIVO - The Search Portal for Life Sciences

zur deutschen Oberfläche wechseln
Advanced search

Search results

Result 1 - 10 of total 51

Search options

  1. Article: Insights into Early Ontogenesis of

    Bhat, Irfan Ahmad / Dubiel, Milena Malgorzata / Rodriguez, Eduardo / Jónsson, Zophonías Oddur

    Animals : an open access journal from MDPI

    2023  Volume 13, Issue 6

    Abstract: The challenge in extracting high-quality RNA impedes the investigation of the transcriptome of developing salmonid embryos. Furthermore, the mRNA expression pattern of important PGC and SD genes during the initial embryonic development ... ...

    Abstract The challenge in extracting high-quality RNA impedes the investigation of the transcriptome of developing salmonid embryos. Furthermore, the mRNA expression pattern of important PGC and SD genes during the initial embryonic development of
    Language English
    Publishing date 2023-03-19
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13061094
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  2. Article ; Online: Insights into Early Ontogenesis of Salmo salar: RNA Extraction, Housekeeping Gene Validation and Transcriptional Expression of Important Primordial Germ Cell and Sex-Determination Genes

    Bhat, Irfan Ahmad / Dubiel, Milena Malgorzata / Rodríguez, Eduardo / Jónsson, Zophonías Oddur

    Animals. 2023 Mar. 19, v. 13, no. 6

    2023  

    Abstract: The challenge in extracting high-quality RNA impedes the investigation of the transcriptome of developing salmonid embryos. Furthermore, the mRNA expression pattern of important PGC and SD genes during the initial embryonic development of Salmo salar is ... ...

    Abstract The challenge in extracting high-quality RNA impedes the investigation of the transcriptome of developing salmonid embryos. Furthermore, the mRNA expression pattern of important PGC and SD genes during the initial embryonic development of Salmo salar is yet to be studied. So, in the present study, we aimed to isolate high-quality RNA from eggs and developing embryos to check vasa, dnd1, nanos3a, sdf1, gsdf, amh, cyp19a, dmrt1 and foxl2 expression by qPCR. Additionally, four HKGs (GAPDH, UB2L3, eEf1a and β-actin) were validated to select the best internal control for qPCR. High-quality RNA was extracted, which was confirmed by spectrophotometer, agarose gel electrophoresis and Agilent TapeStation analysis. UB2L3 was chosen as a reference gene because it exhibited lower intra- and inter-sample variation. vasa transcripts were expressed in all the developmental stages, while dnd1 was expressed only up to 40 d°C. Nanos3a was expressed in later stages and remained at its peak for a shorter period, while sdf1 showed an irregular pattern of mRNA expression. The mRNA expression levels of SD genes were observed to be upregulated during the later stages of development, prior to hatching. This study presents a straightforward methodology for isolating high-quality RNA from salmon eggs, and the resulting transcript profiles of significant PGC and SD genes in S. salar could aid in improving our comprehension of reproductive development in this commercially important species.
    Keywords RNA ; Salmo salar ; agar gel electrophoresis ; embryogenesis ; gene expression ; genes ; germ cells ; ontogeny ; salmon ; sex determination ; spectrophotometers ; transcription (genetics) ; transcriptome
    Language English
    Dates of publication 2023-0319
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article ; Online
    ZDB-ID 2606558-7
    ISSN 2076-2615
    ISSN 2076-2615
    DOI 10.3390/ani13061094
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  3. Article ; Online: Impact of Age and Clinico-Biochemical Parameters on Clinical Severity of SARS-CoV-2 Infection.

    Wani, Shariq Ahmad / Gulzar, Babar / Khan, Mosin Saleem / Majid, Sabhiya / Bhat, Irfan Ahmad

    Intervirology

    2023  Volume 66, Issue 1, Page(s) 88–96

    Abstract: Introduction: The surge in novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection leading to coronavirus disease-2019 (COVID-19) has overwhelmed the health system. To help health-care workers and policy makers prioritize treatment ... ...

    Abstract Introduction: The surge in novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection leading to coronavirus disease-2019 (COVID-19) has overwhelmed the health system. To help health-care workers and policy makers prioritize treatment and to decrease the burden on health systems caused by COVID-19, clinical severity along with various clinico-biochemical parameters was evaluated by designing a cross-sectional study comprising 236 SARS-CoV-2-infected individuals from Kashmir Valley, India.
    Methods: Briefly, real-time polymerase chain reaction (RT-PCR) was used for the confirmation of SARS-CoV-2 infection. The principles of spectrophotometry and chemiluminescent microparticle immunoassay (CMIA) were employed to estimate the levels of glucose, TSH, and 25-hydroxy vitamin D levels in serum of infected patients.
    Results: A total of 236 patients infected with SARS-CoV-2 were taken for this cross-sectional study. Patients with COVID-19 had a male predominance (72.9 vs. 27.1%) and a higher prevalence of 25-hydroxy vitamin D deficiency (72.0 vs. 28.0%) with a mean 25-hydroxy vitamin D levels of 24.0 ± 13.9 in ng/mL. We observed a varied clinical spectrum of SARS-CoV-2 infection with 36.4%, 23.7%, and 29.7% patients having mild, moderate, and severe disease, respectively. We observed that severity of SARS-CoV-2 infection was significantly associated with older age group, hypertension, low TSH levels, and 25-hydroxy vitamin D deficiency.
    Conclusion: We conclude that not only old age but also hypertension and low levels of TSH and 25-hydroxy vitamin D levels could significantly lead to clinical severity of SARS-CoV-2 infection.
    MeSH term(s) Humans ; Male ; Aged ; Female ; COVID-19/diagnosis ; SARS-CoV-2 ; Cross-Sectional Studies ; Vitamin D ; Hypertension ; Vitamin D Deficiency ; Thyrotropin
    Chemical Substances Vitamin D (1406-16-2) ; Thyrotropin (9002-71-5)
    Language English
    Publishing date 2023-06-01
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 184545-7
    ISSN 1423-0100 ; 0300-5526
    ISSN (online) 1423-0100
    ISSN 0300-5526
    DOI 10.1159/000530906
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  4. Article: Milk production and hormonal profile as affected by Fenugreek supplementation in lactating goats of Kashmir valley

    Hasin, Dilruba / Pampori, Zahoor Ahmad / Ahmad Sheikh, Aasif / Aarif, Ovais / Bhat, Irfan Ahmad / Abdullah, Muzamil

    Biological rhythm research. 2021 Aug. 09, v. 52, no. 7

    2021  

    Abstract: A decline in the milk production in dairy goats during the winter can be overcome by nutritional manipulation by the provision of galactogogues in their feed. The study was conducted on lactating goats in Mountain Research Centre for Sheep and Goat ( ... ...

    Abstract A decline in the milk production in dairy goats during the winter can be overcome by nutritional manipulation by the provision of galactogogues in their feed. The study was conducted on lactating goats in Mountain Research Centre for Sheep and Goat (MRCSG), SKUAST-Kashmir during the winter season. The lactating Bakarwal goats with uniform body weight and milk production were divided into two groups, namely, control and treatment. The goats in the treatment group were offered 30 g of fenugreek daily in addition to the normal feed ingredients. The blood and milk samples were collected weekly up to 6 weeks, and the data were presented as an average. There was a significant (p < 0.05) decrease in plasma cortisol concentration in treatment (18.64 ± 1.72 ng/ml) as compared to control (22.58 ± 1.25 ng/ml) group. Thyroid stimulating hormone (TSH) showed a nonsignificant increase in the treatment group (0.45 ± 0.03 μIU/ml) as compared to the control group (0.39 ± 0.05 μIU/ml). Prolactin was significantly (p < 0.05) higher in the supplemented group (3.94 ± 0.03 ng/ml) than the control group (2.72 ± 0.02 ng/ml). Blood glucose was significantly (p < 0.05) higher in control (57.30 ± 3.40 mg/dl) than the treatment (53.52 ± 2.79 mg/dl) group. Milk components like fat, protein, lactose, solids not fat (SNF) and total solids showed a nonsignificant change after fenugreek supplementation. Finally, there was a drastic increase in the milk production of the supplemented group (559.00 ± 17.29 ml/day) than their counterparts (407.00 ± 23.59 ml/day). From the study, it could be concluded that fenugreek supplementation alters the hormone profile, enhances feed intake and thereby increases the milk production in lactating goats.
    Keywords biological rhythms ; blood glucose ; body weight ; cortisol ; feed intake ; fenugreek ; lactose ; milk ; milk production ; prolactin ; research ; winter ; India
    Language English
    Dates of publication 2021-0809
    Size p. 986-993.
    Publishing place Taylor & Francis
    Document type Article
    ZDB-ID 1185065-6
    ISSN 1744-4179 ; 0929-1016
    ISSN (online) 1744-4179
    ISSN 0929-1016
    DOI 10.1080/09291016.2019.1608732
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  5. Article: Computational analysis and functional characterisation of Tor putitora toll-like receptor 4 with the elucidation of its binding sites for microbial mimicking ligands

    Bhat, Raja Aadil H. / Tandel, Ritesh Shantilal / Dash, Pragyan / Nazir, Mir Ishfaq / Yousuf, Dar Jaffer / Bhat, Irfan Ahmad / Ganie, Parvaiz A. / Gargotra, Pankaj / C, Siva

    Fish & shellfish immunology. 2022 Sept. 18,

    2022  

    Abstract: In the current study, full-length Toll-like receptor 4 (TLR4) cDNA was cloned and characterised in Tor putitora, an important fish inhibiting Himalayan rivers. The complete coding sequence of TpTLR4 is 2457 bp with nine key structural domains, including ... ...

    Abstract In the current study, full-length Toll-like receptor 4 (TLR4) cDNA was cloned and characterised in Tor putitora, an important fish inhibiting Himalayan rivers. The complete coding sequence of TpTLR4 is 2457 bp with nine key structural domains, including six leucine-rich repeats (LRRs). The phylogenetic tree revealed that TpTLR4 showed the closest relationship with TLR4 of Cyprinus carpio (96%), Labeo rohita (91%) and Megalobrama amblycephala (88%), all belonging to the Cyprinidae family. CELLO2GO tool revealed that TpTLR4 protein is highly localised in the plasma (67.7%), and the protein has a strong association with myeloid differentiation primary response 88 (MYD88) followed by Tumor necrosis factor receptor-associated factor (TRAF) family. In the toll-interleukin-1 receptor (TIR) domain of TpTLR4, the proline is replaced by the alanine amino acid, thus may give plasticity to the receptor to recognise both bacterial and viral ligands. Molecular docking has revealed that TpTLR4 showed the strongest affinity towards poly (I:C) with the binding energy of −6.1 kcal/mol and five hydrogen bonds among all ligands. Based on our molecular docking results, it can be presumed that TpTLR4 can sense bacterial, fungal and viral molecular patterns with binding sites mainly present in the TpTLR4 LRR9 motif, which spans between 515 and 602 amino acids. Tor putiora TLR4 transcript was ubiquitously expressed in all the tested fish tissues. Although, transcript level was found to be highest in blood and spleen followed by the kidney. The TpTLR4 transcripts showed peak expression in spleen and kidney at 12 h post-injection (hpi) (p < 0.05) of poly (I:C). The constitutive expression of TpTLR4 in various tissues, up-regulation in different tissues and strong binding affinities with poly (I:C) indicate that TpTLR4 may play an essential role in sensing pathogen-associated molecular patterns (PAMPs), particularly of viral origin.
    Keywords Cyprinus carpio ; Labeo rohita ; Megalobrama amblycephala ; Toll-like receptor 4 ; Tor putitora ; alanine ; blood ; energy ; fish ; fungi ; gene expression ; hydrogen ; kidneys ; ligands ; phylogeny ; plasticity ; proline ; shellfish ; spleen ; tumor necrosis factors
    Language English
    Dates of publication 2022-0918
    Publishing place Elsevier Ltd
    Document type Article
    Note Pre-press version
    ZDB-ID 1067738-0
    ISSN 1095-9947 ; 1050-4648
    ISSN (online) 1095-9947
    ISSN 1050-4648
    DOI 10.1016/j.fsi.2022.09.046
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  6. Article ; Online: Allogenic bone marrow-derived mesenchymal stem cells and its conditioned media for repairing acute and sub-acute peripheral nerve injuries in a rabbit model.

    Sivanarayanan, T B / Bhat, Irfan Ahmad / Sharun, Khan / Palakkara, Sangeetha / Singh, Rashmi / Remya / Parmar, Mehtab Singh / Bhardwaj, Rahul / Chandra, Vikash / Munuswamy, Palanivelu / Kinjavdekar, Prakash / Pawde, A M / Amarpal / Sharma, G Taru

    Tissue & cell

    2023  Volume 82, Page(s) 102053

    Abstract: The present study evaluated healing potential of bone marrow-derived mesenchymal stem cells (BM-MSCs) and BM-MSCs-conditioned medium (BM-MSCs-CM) for acute and subacute injuries in the rabbit peripheral nerve injury model. The regenerative capacity of ... ...

    Abstract The present study evaluated healing potential of bone marrow-derived mesenchymal stem cells (BM-MSCs) and BM-MSCs-conditioned medium (BM-MSCs-CM) for acute and subacute injuries in the rabbit peripheral nerve injury model. The regenerative capacity of MSCs was evaluated in 40 rabbits divided into eight groups, four groups each for acute and subacute injury models. BM-MSCs and BM-MSCS-CM were prepared by isolating allogenic bone marrow from the iliac crest. After inducing sciatic nerve crush injury, different treatments consisting of PBS, Laminin, BM-MSCs + laminin, and BM-MSCS-CM + laminin were used on the day of injury in the acute injury model and after ten days of crush injury in the subacute groups. The parameters studied included: pain, total neurological score, gastrocnemius muscle weight and volume ratio, histopathology of the sciatic nerve and gastrocnemius muscle, and scanning electron microscopy (SEM). Findings indicate that BM-MSCs and BM-MSCS-CM have augmented the regenerative capacity in acute and subacute injury groups with a slightly better improvement in the subacute groups than the animals in acute injury groups. Histopathology data revealed different levels of regenerative process undergoing in the nerve. Neurological observations, gastrocnemius muscle evaluation, muscle histopathology, and the SEM results depicted better healing in animals treated with BM-MSCs and BM-MSCS-CM. With this data, it could be concluded that BM-MSCs support the healing of injured peripheral nerves, and the BM-MSCS-CM does accelerate the healing of acute and subacute peripheral nerve injuries in rabbits. However, stem cell therapy may be indicated during the subacute phase for better results.
    MeSH term(s) Animals ; Rabbits ; Culture Media, Conditioned/pharmacology ; Peripheral Nerve Injuries/therapy ; Laminin ; Bone Marrow ; Mesenchymal Stem Cells
    Chemical Substances Culture Media, Conditioned ; Laminin
    Language English
    Publishing date 2023-03-02
    Publishing country Scotland
    Document type Journal Article
    ZDB-ID 204424-9
    ISSN 1532-3072 ; 0040-8166
    ISSN (online) 1532-3072
    ISSN 0040-8166
    DOI 10.1016/j.tice.2023.102053
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  7. Article: New Insights of Inhibins in Ovarian Physiology of Fish

    Ahmad, Irshad / Bhat, Irfan Ahmad / Jagtap, Dhanashree D / Selvaa Kumar, C / Ferosekhan, S / Afonso, Luis O. B

    Reviews in fisheries science & aquaculture. 2020 Apr. 2, v. 28, no. 2

    2020  

    Abstract: Egg quality and early embryonic development are important aspects for successful artificial propagation of fish species of ecological and economical values, and therefore have been intensively researched. It has been demonstrated that several maternal ... ...

    Abstract Egg quality and early embryonic development are important aspects for successful artificial propagation of fish species of ecological and economical values, and therefore have been intensively researched. It has been demonstrated that several maternal factors including TGF-β, cyclin B, follicle cell transcripts and gonadal peptides like inhibins influence fish egg quality. Inhibins are considered gonadal hormones that act on the anterior pituitary cells to regulate gonadotropin hormone secretion and as a paracrine substance that affects steroidogenesis and folliculogenesis. There are several intra-ovarian growth factors identified and characterized in fish that are important components of the brain-pituitary-gonadal (BPG) axis communication network. The role of inhibins on the reproductive cycle and its regulation by the hormonal negative feedback mechanism from gonads and how this inhibits activin signaling and suppresses the pituitary FSH production has been well established in higher vertebrates but is poorly understood in fish. Many advances have been made to elucidate the endocrine regulations involved during oogenesis in higher vertebrates. Neutralization of endogenous inhibins helps in many reproductive processes, including programed production of high-quality oocytes in large quantity, improved embryonic development and increased survival of offsprings. In fish, little is known about inhibin structure and endocrine regulation despite its immense importance in reproduction of female mammals. This review focuses on recent advances in the field of inhibins in fish with special emphasis on its structure, receptor interaction, mechanisms of action and its physiological role of in the oogenesis and reproductive cycle.
    Keywords anterior pituitary ; aquaculture ; cyclins ; egg quality ; embryogenesis ; females ; fish ; fish eggs ; follicular development ; hormone secretion ; inhibin ; neutralization ; oocytes ; oogenesis ; steroidogenesis
    Language English
    Dates of publication 2020-0402
    Size p. 247-259.
    Publishing place Taylor & Francis
    Document type Article
    Note NAL-light
    ZDB-ID 2772853-5
    ISSN 2330-8257 ; 2330-8249
    ISSN (online) 2330-8257
    ISSN 2330-8249
    DOI 10.1080/23308249.2020.1711511
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  8. Article: Molecular and Cellular Toxicology of Nanomaterials with Related to Aquatic Organisms.

    Rather, Mohd Ashraf / Bhat, Irfan Ahmad / Sharma, Niti / Sharma, Rupam

    Advances in experimental medicine and biology

    2018  Volume 1048, Page(s) 263–284

    Abstract: The increasing application of nanomaterials both in commercial and industrial products has led their accumulation in the aquatic ecosystem. The rapid development and large scale production of nanomaterials in the last few decades have stimulated concerns ...

    Abstract The increasing application of nanomaterials both in commercial and industrial products has led their accumulation in the aquatic ecosystem. The rapid development and large scale production of nanomaterials in the last few decades have stimulated concerns regarding their potential environmental health risks on aquatic biota. Inorganic nanoparticles, due to their unique properties and associated material characteristics resulted in toxicity of these nanomaterials in aquatic organisms. Understanding their novel properties at nanoscale has established to be a significant aspect of their toxicity. Unique properties such as size, surface area, surface coating, surface charge, aggregation of particles and dissolution may affect cellular uptake, molecular response, in vivo reactivity and delivery across tissues of living organism. Already lot of research in the past three or four decades within the nano-ecotoxicology field had been carried out. However, there is not any standard technique yet to assess toxicity of nanoparticles (NPs) on different biological systems such as reproductive, respiratory, nervous, gastrointestinal systems, and development stages of aquatic organisms. Specific toxicological techniques and quantification of nanoparticles are vital to establish regulations to control their impact on the aquatic organism and their release in the aquatic environment. The main aim of this chapter is to critically evaluate the current literature on the toxicity of nanomaterials on aquatic organism.
    MeSH term(s) Animals ; Ecosystem ; Fishes/metabolism ; Nanoparticles/toxicity
    Language English
    Publishing date 2018-02-16
    Publishing country United States
    Document type Journal Article ; Review
    ISSN 2214-8019 ; 0065-2598
    ISSN (online) 2214-8019
    ISSN 0065-2598
    DOI 10.1007/978-3-319-72041-8_16
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

  9. Article ; Online: Identification, cDNA Cloning, and Characterization of Luteinizing Hormone Beta Subunit (lhb) Gene in Catla catla

    Rather, Mohd. Ashraf / Bhat, Irfan Ahmad / Sharma, Rupam

    Animal biotechnology. 2016 July 2, v. 27, no. 3 p.148-156

    2016  

    Abstract: Reproductive hormones play a significant role in the gonadal development and gametogenesis process of animals. In the present study luteinizing hormone beta, (lhb) subunit gene was cloned and characterized from the brain of Catla catla . The lhb full- ... ...

    Abstract Reproductive hormones play a significant role in the gonadal development and gametogenesis process of animals. In the present study luteinizing hormone beta, (lhb) subunit gene was cloned and characterized from the brain of Catla catla . The lhb full-length of cDNA sequence is 629 bp which consists of 43bp 5'-UTR (untranslated region) 447bp, ORF(open reading frame) and 139 bp of 3'-UTR respectively. The coding region of lhb gene encoded a peptide of 148 amino acids. The coding sequence of lhb gene consist of a single N-linked glycosylation site (NET) and 12 cysteine knot residues. Phylogenetic analysis of C. catla Lhβ deduced amino acid sequence showed high similarity with Carassius auratus followed by Gobiocypris rarus . 3D structure Lhβ protein comprises of five β-sheets and six coils/loops. The qPCR results revealed lhb mRNA is mainly expressed in the pituitary, ovary while moderate expression was observed in brain and testis. To best our knowledge, this is the first report on the identification, molecular characterization and structural information regarding luteinizing hormone in Indian major carp.
    Keywords 3' untranslated regions ; Carassius auratus ; Catla catla ; Gobiocypris rarus ; amino acid sequences ; animal ovaries ; brain ; carp ; complementary DNA ; cysteine ; gametogenesis ; genes ; glycosylation ; luteinizing hormone ; molecular cloning ; open reading frames ; phylogeny ; quantitative polymerase chain reaction ; testes ; Luteinizing hormone ; cloning ; sequencing
    Language English
    Dates of publication 2016-0702
    Size p. 148-156.
    Publishing place Taylor & Francis
    Document type Article ; Online
    ZDB-ID 2043243-4
    ISSN 1532-2378 ; 1049-5398
    ISSN (online) 1532-2378
    ISSN 1049-5398
    DOI 10.1080/10495398.2016.1140055
    Database NAL-Catalogue (AGRICOLA)

    More links

    Kategorien

  10. Article: Association of

    Pandith, Arshad A / Bhat, Irfan Ahmad / Niyaz, Iqra / Qasim, Iqbal / Bhat, Ina A / Manzoor, Usma / Koul, Aabid M

    Journal of cardiovascular and thoracic research

    2021  Volume 13, Issue 2, Page(s) 109–115

    Abstract: Introduction: ...

    Abstract Introduction:
    Language English
    Publishing date 2021-01-24
    Publishing country Iran
    Document type Journal Article
    ZDB-ID 2654729-6
    ISSN 2008-6830 ; 2008-5117
    ISSN (online) 2008-6830
    ISSN 2008-5117
    DOI 10.34172/jcvtr.2021.09
    Database MEDical Literature Analysis and Retrieval System OnLINE

    More links

    Kategorien

To top