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Our team strives to be the leading supplier of advanced histopathology reagents through a culture of innovation and dedication to those we serve.

Rocklin, California
Joined May 2010
Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)Photo by Cell Marque (@CellMarque)
This custom trophy is still up for grabs at the MilliporeSigma booth 323 at #NSH2026. All you have to do is play a quick round of histology trivia on your phone and your points will go towards determining the MicroscopeMaster. Also, you will see a lot of cool pathology stuff. 😉
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How well do YOU know histology? Find out by appearing on the Stain Your Brain game show at the MilliporeSigma booth 323 at #NSH2026! We even have the long skinny microphone and terrible 70s perms for the true nostalgic game show aficionados. #histotechnology #histology #IHC
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A c-terminus PAX8, such as the Cell Marque SP348 clone (cellmarque.com/antibodies/CM…), won’t be expressed in lymphomas. Learn more at #USCAP2025 booth 741! #pathtwitter #Pathology
Dr. Barletta: PAX8 is very helpful for anaplastic thyroid carcinoma! (One of my fave stains 🤎) BUT remember lymphomas can be reactive with PAX8! @EndoPath @TheUSCAP #USCAP2025 #EndoPath
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You may know pathology, but what about USELESS facts? Come to #USCAP2025 booth 741 and challenge the crew to some general knowledge trivia and if you stump team E for Idiot, you get a FREE IHC Atlas. Warning, we won the @Phrentrivia pub quiz at The Quiet Few last night! #trivia
After yet another fun night at The Quiet Few, the team with the most points was “E For Idiot!” We had a blast, per usual, and can’t wait to see you all again next Monday at 8!!
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For the cytopathologists requesting an IVD Claudin-4, we know who has it. Go to booth USCAP 741. #USCAP2025
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Diffuse midline gliomas? Cell Marque H3 K27M rabbit monoclonal antibody can help make that diagnosis. Come learn more at USCAP booth 741. #USCAP2025
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Cell Marque INSM1 for Merkel cell carcinoma, small cell lung carcinoma, and NET? Come learn more about it at MilliporeSigma booth 741 at #USCAP2025
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Any histotechs attending #2024NSHConvention that want an iced latte and some IHC info, including the popular CAM 5.2, swing by the Cell Marque booth 627! #pathology #PathTwitter
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If you are attending the #2024NSHConvention and need a caffeinated “pick-me-up,” swing by the @CellMarque booth 627 and learn about IHC, check out the Midas bench top automated special stainer, and make yourself an iced caramel macchiato!
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Attention HistoDetectives! Our annual free webinar series is coming soon. Enjoy 5 brand new webinars this year, all geared toward enhancing your histopathology skills. Register Today! gateway.on24.com/wcc/eh/3442…
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Your needs, our solutions. Benefit from our personalized service and tailored solutions designed to meet your specific requirements. Partner with Cell Marque™ for customized antibody development services. #CustomAntibodies #TailoredSolutions cellmarque.com/cms/custom-an…
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Join us in celebrating Earth Day! 🌿 MilliporeSigma offers a range of greener alternatives for #histolabs, helping you reduce your environmental impact without compromising quality. Explore our greener products today. #EarthDay #GreenerAlternatives cellmarque.com/cms/gogreen/?…
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They beat us to it! We were going to tweet this poster tonight with all the great IHC featured in it. They even tested INSM1 (cellmarque.com/antibodies/CM…)! Both of these @MDAndersonNews pathologists were awesome.
Such an amazing interactive experience and valuable insights during the #USCAP2024 poster session. #PathX #MDACC #GIpath #USGIPS @Deyali7
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Already familiar with LEF1 (cellmarque.com/antibodies/CM…) for differentiation of CLL/SLL from mantle cell lymphoma? This #USCAP2024 poster highlights its application in pseudopapillary neoplasms of the pancreas.
Looking for a clearer and crisper IHC marker for interpreting Solid Pseudopapillary Neoplasm of Pancreas ? Stop by our poster #125 to learn more about the utility of LEF1. #USCAP2024 #GIPath #PathTwitter #PathResident
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Very interesting #USCAP2024 poster discussing Inhibin A (cellmarque.com/antibodies/CM…) and SF1 (cellmarque.com/antibodies/CM…) comparative reactivity on pancreas and paragangliomas. We stopped by and chatted with Dr. Gosse and gave a shout out to @IHC_guy.
Replying to @UIPathology
@UIPathology’s very own @MattGosseMD at the Tuesday AM poster session! @TheUSCAP #USCAP2024
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This could be a case where STAT6 (cellmarque.com/antibodies/CM…) immunohistochemistry might be of assistance. #USCAP2024
Dr. Chistofer Juhlin @DrJuhlin at #USCAP2024 - rare case of a solitary fibrous tumor of the thyroid 👀. DDx: ▫️Anaplastic thyroid carcinoma ▫️Spindle cell variant of MTC ▫️Angiosarcoma #EndoPath
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Pathology residents attending #USCAP2024…we have a limited number of IHC Reference Guides that we are giving away (yes, free) at booth 1025 on a first come, first serve basis while supplies last. Limit one per @TheUSCAP attendee.
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Several great posters here at #USCAP2024 about INSM1 (cellmarque.com/antibodies/CM…) immunohistochemistry for neuroendocrine tumors. Come to Cell Marque booth 1025 to learn more!
INSM1: Insulinoma-associated protein 1 But, the whole video can’t be uploaded on Twitter (it’s a bit long) Do check out the link instagram.com/tv/CAqwvWFgZJ1… #pathology #IHCPath #immunohistochemistry #INSM1
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Interesting poster citing cytokeratin 17 (cellmarque.com/antibodies/CM…) use in vulvar intraepithelial neoplasia. This marker was published previously alongside p16 to distinguish atypical immature squamous metaplasia from CIN III. #USCAP2024
Stop by poster 253 and learn from @sarahnfarran! #UMichPath @UMichPath #USCAP2024 Recurrence was most common in cases with VIN at margin and occurred either quickly (suggesting residual disease or after years. The documented recurrence after isolated CK17+ at margin recurred after 60 months; the other 2 cases with CK17+ at margin had shorter follow-up. Of note, both cases with negative margins recurred. Given the interval of 15-22 months, these may be recurrences or new lesions. Additional studies with longer clinical follow-up are needed to better evaluate the significance of CK17+ epithelium at margin.
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