https://www.yanlabcolumbia.com/welcome daily 1.0 2022-03-03 https://www.yanlabcolumbia.com/publications daily 0.75 2025-06-21 https://www.yanlabcolumbia.com/team daily 0.75 2025-09-25 https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/12c4f128-955d-4fbd-9ed3-83e750f5a6cd/lc+lol.jpg Team - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/01acb8dc-ed63-425b-a11d-adbc49eb2fb0/Screen+Shot+2021-08-10+at+4.43.40+PM.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/a386002d-91e7-4546-8f42-ba418a3e2b11/Neta+Gal+Headshot.jpg Team - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/12ae5363-bb07-44f9-b4b4-59699d5e2aba/KY+headshot+CSC+2019.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/e0c7fdeb-2e8f-4d08-bec8-fb0203a52dc8/Elena_Wang_Headshot.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/df2251a6-74a7-4eab-9779-b2cdd1377d15/lauren+jun.jpeg Team - Make it stand out Whatever it is, the way you tell your story online can make all the difference. https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1ece7dfd-8f64-42ce-acb6-41c16b4f0fc2/_MG_8441.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/15a063a3-19a1-47f3-885f-08650913c4a6/thumbnail_Rina+Headshot.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/ffdaf3bd-17f7-4127-b19e-7fb68dd29dcc/Screen%2BShot%2B2021-08-10%2Bat%2B4.51.04%2BPM.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/208f74d9-bb73-4bf6-bed1-bdb1418cf7d0/Joel+George%2C+PhD.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/e41551d3-c401-4d42-bb3b-c0a402848a03/Jon+Miller%2C+MD.jpg Team https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/d11d75a7-4925-4221-a4e8-f462ba037127/Sierra+Headshot.jpeg Team https://www.yanlabcolumbia.com/news-1 daily 0.75 2025-06-21 https://www.yanlabcolumbia.com/join daily 0.75 2025-04-30 https://www.yanlabcolumbia.com/support daily 0.75 2020-07-28 https://www.yanlabcolumbia.com/photos daily 0.75 2025-06-21 https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1759364859586-2IV2XX2MXUKFQP18YH1Y/IMG_0657.jpeg Photos - The Yan and Han Labs recharge with an afternoon in an orchard! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1759364860379-7UA3ZFE3EKI4T7ZUKP1V/IMG_0638.jpeg Photos - October 2025: Apple Picking! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1759365447071-0QCJ9E2VTRGMIODSA427/IMG_0536+2.jpeg Photos - Cake break for Hyeonjeong's birthday! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1757687366376-ES4I8ZBNOGX0654CAQ0V/IMG_3501.JPG Photos - CSCI and Genetics Retreats Starting off the academic year strong with recent retreats! Elena gave a talk at the CSCI retreat. At the Genetics and Development retreat, Hyeonjeong gave a talk and Sierra presented a poster! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1757381474095-86BDC7DGH6CPO4SGNH5A/IMG_0204.jpeg Photos - The Yan Lab welcomes Hugo to the world! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1757381419209-8DBCRBKE4W9JMBIVHUHA/IMG_0188.jpeg Photos - September 2025: Claudia's Baby Shower! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1744250172209-F1BD9HA2FQ5DJ0FTU0IZ/JPEG+image-808CFA75DB1E-1.jpeg Photos - April 2025: Joel's birthday! Yan and Han Labs have a casual get together to celebrate Joel’s birthday with a chocolate cake! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1740943222912-KR8NMWSMX0IDGBN3VLUX/IMG_3135.jpg Photos - March 2025: CUAFA Gala Kelley gives a thank you speech upon receiving the 2025 Columbia University Asian Faculty Association Young Investigator Award https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1740942461471-6RVSZNN955XS2ACZECW0/IMG_7594.jpeg Photos - Yan Lab attends CUAFA Gala Several Yan Lab members attend the Columbia University Asian Faculty Association Gala in honor of Kelley receiving the Young Investigator Award https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1740942461414-OW7QAMZSHOW6LMMQIWFA/IMG_3136.jpeg Photos - Yan Lab ladies https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1740942463218-2RU6JA5RY4TVWUFK94WW/IMG_7608.jpeg Photos - March 2025: CUAFA Gala Yan Lab postdocs clean up well outside of the lab! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1739227971154-MHBQM3IYPI3TA4IOBZ5P/IMG_7417.jpeg Photos - February 2025: Ice Cream after Dim Sum! The Yan and Han Labs get ice cream for dessert after a hearty dim sum meal! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1739227971553-U9AWR6IB0DWEJ6IU23UW/IMG_7404.jpeg Photos - Yan Lab members enjoy ice cream and each other’s company! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1739227973432-LEWN6W498JPR3GXUBFE9/IMG_7422.jpeg Photos - February 2025: Dim Sum The Yan and Han Labs celebrate Lunar New Year by going out for dim sum! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1734704491141-8RJ6AO172W860QMQD90A/IMG_8681.jpg Photos - December 2024: Holiday Party The Yan and Han Labs celebrate the 2024 holidays with Popeyes chicken and a white elephant gift exchange! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1734704548038-ND8ENAHGOKKOXFYE5K0A/IMG_8509.jpg Photos - October 2024: Korean BBQ https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1734704563187-UCL55AN4P2M7QM7UOPGK/IMG_8511.jpg Photos - October 2024: Korean BBQ https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1727112600381-6X8UJ2DW2MHPOJQB3N9R/processed-F21591AF-A9DC-4D29-98B6-BDA9B8C1E85F.jpeg Photos - Yan Lab at the 2024 Genetics & Development Retreat https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1727112569233-A8MPUDI5QSKGBJWKMJG0/processed-BE2C2E21-2CAE-4AD6-8BBE-5C4F539C351F.jpeg Photos - September 2024: Genetics & Development Retreat Postdocs Claudia and Jon gave stellar talks! Sierra presented a beautiful poster and Elena won the t-shirt design contest! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1734062052727-WER0GYG1PO2PJSVKPCP9/JPEG+image-755155819831-1.jpeg Photos - Lean green pipetting machines https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1601056985976-QMXG18CVNM4A03MWJ2S7/lab%252Bphoto.jpg Photos - Lab celebration for Ruben and Gabriele as they prepare for the next exciting stages of their careers! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1646325234212-KOCVHZEMM8EA83P1Z4IJ/Screen%252BShot%252B2022-03-03%252Bat%252B11.31.28%252BAM.jpg Photos - Lab members go out to brunch https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1646325317833-13QM4VZTZEW1QDD81BA9/Screen%2BShot%2B2022-03-03%2Bat%2B11.32.16%2BAM.jpg Photos - Yan Lab fall apple picking https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1646325200657-VOCW6LTCUZDR781MKKJW/Screen+Shot+2022-03-03+at+11.32.08+AM.png Photos - Yan Lab fall apple picking https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1646325204396-VHVU5O5AEHJVQG31LHSU/Screen+Shot+2022-03-03+at+11.32.30+AM.png Photos - Yan Lab fall apple picking https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1592424000194-W6NFRRA9P375QQL8L4UE/SURF+symposium.jpg Photos - Maria presents her summer research at the SURF symposium! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1592599618013-1BXXTYW0I3TG23V69X3I/Claudia+poster.png Photos - Claudia with her winning poster at the Genetics retreat! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1592428274498-2U09ASCWBASBPLH4Y2FH/Screen+Shot+2020-06-17+at+4.07.52+PM.png Photos - Lab says goodbye to Steven! https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1592428803106-F50KV1JGKZU218RZW5TH/Screen+Shot+2020-06-17+at+4.19.00+PM.png Photos - 32nd annual Genetics Retreat! Congratulations Esther for the poster prize! https://www.yanlabcolumbia.com/publications-1 daily 0.75 2017-05-29 https://www.yanlabcolumbia.com/amenities daily 0.75 2016-08-26 https://images.squarespace-cdn.com/content/v1/57338c9c04426238cff162e3/1467841710072-8H8NHF931M0B3398LZT0/image-asset.jpeg Amenities https://images.squarespace-cdn.com/content/v1/57338c9c04426238cff162e3/1467754390429-DWORWRZH5CT3QVTEHBDR/image-asset.jpeg Amenities https://images.squarespace-cdn.com/content/v1/57338c9c04426238cff162e3/1467754364206-T9E7P8N6EX2L8L19L635/image-asset.jpeg Amenities https://images.squarespace-cdn.com/content/v1/57338c9c04426238cff162e3/1467754486680-JILWUOBK0LYY9MG5MB9O/image-asset.jpeg Amenities https://www.yanlabcolumbia.com/home daily 0.75 2016-05-12 https://images.squarespace-cdn.com/content/v1/52a74d9ae4b0253945d2aee9/1535394848185-CGDDU4QCIRSO4U1270H3/image-asset.jpeg Yan Lab https://images.squarespace-cdn.com/content/v1/52a74d9ae4b0253945d2aee9/1535394867157-MTQAOAQPKWQ68DDY1HTW/tumblr_mn8b8sLRb61rkz363o1_1280.jpg Yan Lab https://www.yanlabcolumbia.com/read-me daily 0.75 2014-01-10 https://www.yanlabcolumbia.com/research daily 0.75 2022-03-10 https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/84096ac9-9857-420e-9c3b-3bb55a389ca5/graphical+abstract.jpg Research Cellular origins and lineage relationships of the intestinal epithelium (Capdevila et al., Am J Physiol Gastrointest Liver Physiol., 2021) Intestinal Enteroendocrine Lineage Cells Possess Homeostatic and Injury-Inducible Stem Cell Activity (Yan et al., Cell Stem Cell, 2017) Commentary: van der Heijden M, Vermeulen L. Stem Cells: All that is Solid Melts into Air. Cell Stem Cell. 2017 July 6; 21(1):5-7. https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1496959468544-3ZA43E5KSB7KSQFG1K0R/Picture1.jpg Research Non-equivalence of Wnt and R-spondin ligands during Lgr5+ intestinal stem-cell self-renewal. (Yan et al, Nature, 2017) Commentary: Huels DJ, Sansom OJ. R-spondin Is More Than Just Wnt's Sidekick. Developmental Cell. 2017 June 5; 41(5):456-458. PMID:28586642. https://images.squarespace-cdn.com/content/v1/592877139f745652f3db7596/1501671686084-QWQKJR8A4V11BZ3M1K8Y/Picture3.jpg Research https://www.yanlabcolumbia.com/contact-us-1 daily 0.75 2017-05-29