نتایج جستجو برای: ژن ko
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Dermokine (DMKN) is a secreted glycoprotein expressed predominantly in the upper epidermis, particularly granular layers, whose expression pattern resembles terminal differentiation molecules. It comprises three splice variants mice and five humans. Our recent investigation generating all isoforms of DMKN deficiency C57BL/6 [DMKN-KO(B6)] demonstrated ichthyosiform skin with transepidermal water...
The effects of adiponectin on hepatic glucose and lipid metabolism at transcriptional level are largely unknown. We profiled hepatic gene expression in adiponectin knockout (KO) and wild-type (WT) mice by RNA sequencing. Compared with WT mice, adiponectin KO mice fed a chow diet exhibited decreased mRNA expression of rate-limiting enzymes in several important glucose and lipid metabolic pathway...
The fragile X mental retardation 1 mutant mouse (Fmr1 KO) recapitulates several of the neurologic deficits associated with Fragile X syndrome (FXS). As tactile hypersensitivity is a hallmark of FXS, we examined the sensory representation of individual whiskers in somatosensory barrel cortex of Fmr1 KO and wild-type (WT) mice and compared their performance in a whisker-dependent learning paradig...
Here we characterize Francisella tularensis live vaccine strain (LVS) infection in total tumor necrosis factor (TNF) knockout (KO) mice and in transgenic mice expressing only the membrane form of TNF (memTNF). MemTNF mice, but not TNF KO mice, survived low-dose, sublethal LVS infections. Splenic nitric oxide production was impaired in infected memTNF mice and was absent in infected TNF KO mice....
Transient receptor potential canonical type 3 (TRPC3) channels are non-selective cation channels and regulate intracellular Ca2+ concentration. We examined the role of TRPC3 channels in agonist-, membrane depolarization (high K+)-, and mechanical (pressure)-induced vasoconstriction and vasorelaxation in mouse mesenteric arteries. Vasoconstriction and vasorelaxation of endothelial cells intact m...
Angiotensin-converting enzyme (ACE) is composed of the Nand C-terminal catalytic domains. To study the role of the ACE domains in the inflammatory response, N-knockout (KO) and C-KO mice, models lacking 1 of the 2 ACE domains, were analyzed during angiotensin II–induced hypertension. At 2 weeks, N-KO mice have systolic blood pressures that averaged 173 4.6 mm Hg, which is more than 25 mm Hg hig...
Interleukin-4 (IL-4) is an anti-inflammatory and analgesic cytokine that induces opioid receptor transcription. We investigated IL-4 knockout (ko) mice to characterize their pain behavior before and after chronic constriction injury (CCI) of the sciatic nerve as a model for neuropathic pain. We investigated opioid responsivity and measured cytokine and opioid receptor gene expression in the per...
Angiotensin-converting enzyme 2 (ACE2) is present in the heart and thought to exert protective functions. We conducted studies in ACE2 deficient mice to determine whether enzyme loss would exacerbate the cardiac and vascular pathological responses to chronic subcutaneous (sc) angiotensin II (Ang II) infusion. Eight-week-old male ACE2 knockout (KO) and wild type (WT) mice were infused with Ang I...
ADP-ribosylation factor domain protein 1 (ARD1) is a 64-kDa protein containing a functional ADP-ribosylation factor (GTP hydrolase, GTPase), GTPase-activating protein, and E3 ubiquitin ligase domains. ARD1 activation by the guanine nucleotide-exchange factor cytohesin-1 was known. GTPase and E3 ligase activities of ARD1 suggest roles in protein transport and turnover. To explore this hypothesis...
Xu H, Garver H, Fernandes R, Galligan JJ, Fink GD. Altered L-type Ca channel activity contributes to exacerbated hypoperfusion and mortality in smooth muscle cell BK channel-deficient septic mice. Am J Physiol Regul Integr Comp Physiol 307: R138–R148, 2014. First published May 14, 2014; doi:10.1152/ajpregu.00117.2014.—We determined the contribution of vascular large conductance Ca -activated K ...
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