Search Results - "Akthar, Ihshan"
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Sperm activate TLR2/TLR1 heterodimerization to induce a weak proinflammatory response in the bovine uterus
Published in Frontiers in immunology (27-04-2023)“…Toll-like receptor 2 (TLR2) signaling pathway is involved in the sperm-triggered uterine inflammatory response at insemination, but its precise mechanism at…”
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Sperm enter glands of preovulatory bovine endometrial explants and initiate inflammation
Published in Reproduction (Cambridge, England) (01-02-2020)“…We previously reported that sperm binding to cultured monolayers of bovine uterine epithelial cells induces an acute inflammatory response involving the…”
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Hyaluronan regulates sperm-induced inflammatory response by enhancing sperm attachment to bovine endometrial epithelial cells via CD44: in-silico and in-vitro approaches
Published in Frontiers in endocrinology (Lausanne) (10-05-2023)“…Recently, we reported that sperm induce cluster of differentiation 44 (CD44) expression and Toll-like receptor 2 (TLR2)-mediated inflammatory response in…”
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Activation of sperm Toll-like receptor 2 induces hyperactivation to enhance the penetration to mucus and uterine glands: a trigger for the uterine inflammatory cascade in cattle
Published in Frontiers in immunology (19-12-2023)“…It is known that sperm and seminal plasma (SP) affect uterine immunity. In cattle, artificial insemination enables breeding by depositing frozen and largely…”
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Toll‐like receptor 2 mediates the immune response of the bovine oviductal ampulla to sperm binding
Published in Molecular reproduction and development (01-10-2020)“…A differentiated bovine ampullar explant model was used to observe bull heparin treated and nontreated sperm interaction with preovulatory ampullar epithelium…”
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Peptidoglycan Switches Off the TLR2-Mediated Sperm Recognition and Triggers Sperm Localization in the Bovine Endometrium
Published in Frontiers in immunology (11-02-2021)“…In mammals, the uterine mucosal immune system simultaneously recognizes and reacts to most bacteria as well as allogenic sperm mainly through the Toll-like…”
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Sensing sperm via maternal immune system: a potential mechanism for controlling microenvironment for fertility in the cow
Published in Journal of animal science (18-08-2020)Get full text
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Sperm interaction with the uterine innate immune system: toll-like receptor 2 (TLR2) is a main sensor in cattle
Published in Reproduction fertility and development (01-12-2021)“…During the passage through the female reproductive tract, sperm interact with various compartments and their immune systems. The immune system that protects…”
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In vitro regulation of gene expression of pregnancy-associated proteins and cytokines in bovine endometrial epithelial cells and bovine trophoblastic cells by infection with Neospora caninum
Published in Parasitology international (01-08-2024)“…Abortion caused by the parasite Neospora caninum is an important threat to the livestock industry worldwide. Trophoblasts and caruncular cells play major roles…”
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In vitro and in vivo impairment of embryo implantation by commonly used fungicide Mancozeb
Published in Biochemical and biophysical research communications (18-06-2020)“…The fungicide Mancozeb is an endocrine-disrupting chemical and the mode of action of Mancozeb on embryo implantation is largely unknown. Mancozeb (1 and…”
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Sensing sperm via maternal immune system: a potential mechanism for controlling microenvironment for fertility in the cow
Published in Journal of animal science (01-08-2020)“…Both the uterus and oviduct are functionally adapted to facilitate sperm transport, oocyte fertilization, embryonic/fetal development, and deliver a calf…”
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Sperm hyperactivation in the uterus and oviduct: a double-edged sword for sperm and maternal innate immunity toward fertility
Published in Animal reproduction (01-01-2024)“…In cattle, artificial insemination (AI) is a technique that allows breeding by depositing frozen-thawed and extended semen into the female reproductive tract…”
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The growth hormone and insulin‐like growth factor 1 axis in cattle during the peri‐ovulatory period activates the synthesis and release of oviductal contraction related substances
Published in Molecular reproduction and development (01-03-2021)“…Growth hormone (GH) and insulin‐like growth factor 1 (IGF1) are crucial for female reproductive functions. The cyclic regulation of the local GH/IGF1 axis in…”
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Zearalenone interferes with the sperm-triggered inflammation in the bovine uterus in vitro: Negative impact on sperm motility and survival
Published in Reproductive toxicology (Elmsford, N.Y.) (01-01-2022)“…•Zearalenone (ZEN) induced pro-inflammatory responses in bovine endometrial epithelial cells.•Pre-exposure of endometrial epithelium to ZEN, amplified the…”
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