Publications by authors named "P Tobin"

Article Synopsis
  • Researchers used a special imaging technique called two-photon optical imaging to study how cervical lymphatic vessels (cLVs) drain cerebrospinal fluid (CSF) in live mice, revealing that contraction of the vessel walls is the main driving force of this flow.* -
  • They found that in older mice, the frequency of these contractions and the speed of fluid flow decreased, linked to lower levels of smooth muscle actin.* -
  • By applying prostaglandin F to aged mice, the researchers were able to enhance muscle contraction and improve CSF drainage, suggesting that boosting cLV function could help clear waste from the brain in aging individuals.*
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Background: Spinal cord injury is a condition that adversely impacts employment and economic stability. The Kessler Foundation National Employment and Disability Survey (KFNEDS) was developed to understand the experience of striving to work among persons with disabilities. However, this survey was not intended to capture the employment experiences of veterans living with spinal cord injury.

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Spring-emerging bees depend upon the synchronized bloom times of angiosperms that provide pollen and nectar for offspring. The emergence of such bees and bloom times are linked to weather but can be phenologically mismatched, which could limit bee developmental success. However, it remains unclear how such phenologically asynchrony could affect spring-emerging pollinators, and especially for those that forage over a relatively short time period.

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Among insects, symbionts such as bacteria and fungi can be linked to their physiology and immature development, and in some cases are part of a defense system against parasites and diseases. Current bacterial and fungal symbiont associations in solitary bees are understudied, especially in the Pacific Northwest region of the USA. We collected pollen provisions from the native spring-foraging solitary bee, Osmia lignaria Say, across two distinct foraging periods over 2 years at 22 sites along an urban-to-rural gradient in western Washington.

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